1 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
7 * version.c: Bump for snapshot.
9 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
11 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
12 if condition code of jump conflicts with opposite_needed.
14 * reorg.c (fill_slots_from_thread): Mark resources referenced in
15 opposite_needed thread. Return delay_list even when cannot get
16 any more delay insns from end of subroutine.
18 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
20 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
23 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
25 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
26 end_fde_sort): New functions for fast sorting of an FDE array.
27 (fde_insert): Simplified.
28 (add_fdes): Change argument list.
29 (frame_init): Use the new functions.
31 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
33 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
35 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
37 * fold-const.c (fold_range_test): Always return a value.
39 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
41 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
42 data in the text section unless READONLY_DATA_SECTION is defined.
44 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
46 * c-parse.in (undeclared variable error): Tweak error message to
49 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
51 * version.c: Bump for snapshot.
53 1998-02-28 Mark Mitchell <mmitchell@usa.net>
55 * final.c (final_scan_insn): Undo overzealous removal of `set'.
57 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
60 case, add parentheses to specify the proper order of precedence in
64 * c-aux-info.c: Include string.h/strings.h.
66 * pa.c: Include stdlib.h.
67 (pa_combine_instructions): Prototype the function.
68 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
69 (reloc_needed): Add default case for enumeration switch.
70 (remove_useless_addtr_insns): Remove unused variable `all'.
71 (hppa_expand_prologue): Add explicit braces to avoid
73 (output_function_epilogue): Remove unused variable `i'.
74 (output_millicode_call): Remove unused variable `link'.
75 (shadd_constant_p, forward_branch_p): Make the function static.
76 (following_call): Explicitly declare to return int.
77 (pa_reorg): Declare as void.
78 (pa_combine_instructions): Declare as static void. Add
79 parentheses around && within ||.
81 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
82 following_call, function_label_operand, lhs_lshift_cint_operand
85 * pa.md: Add parentheses around && within ||.
87 * cppalloc.c: Include stdlib.h.
89 * cpperror.c (cpp_print_containing_files): Remove unused variable
90 `i'. Fix format specifier in fprintf.
92 * cse.c (cse_around_loop): Add explicit braces to avoid
94 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
96 * expr.c (expand_expr): Add parentheses around && within ||.
98 * final.c (app_enable): Replace fprintf with fputs where there are
99 no format specifiers and no trailing argument after the string.
100 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
101 (app_disable): Likewise.
102 (final_end_function): Likewise.
103 (final_scan_insn): Likewise. Remove unused variable `set'.
104 (profile_function): Wrap empty if-statement body in {} brackets.
106 * function.c: Include stdlib.h.
107 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
108 (reposition_prologue_and_epilogue_notes): Add parentheses
109 around assignment used as truth value.
111 * integrate.c (expand_inline_function): Wrap variable
112 `cc0_insn' in macro HAVE_cc0.
114 * jump.c (jump_optimize): Wrap variable `q' in macro
115 HAVE_cc0. Remove unused variable `prev1'.
117 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
118 within ||. Fix format specifier in fprintf.
119 (__bb_init_prg): Add parentheses around assignment used as
122 * local-alloc.c: Include stdlib.h.
123 (requires_inout): Add parentheses around assignment used
126 * loop.c (analyze_loop_iterations): Wrap prototype and definition
127 in macro HAVE_decrement_and_branch_on_count.
128 (insert_bct, instrument_loop_bct): Likewise.
129 (move_movables): Add parentheses around assignment used as
131 (consec_sets_invariant_p): Likewise.
132 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
134 * objc/objc-act.c: Include stdlib.h.
135 (lookup_method_in_protocol_list): Wrap empty else-statement body
137 (lookup_protocol_in_reflist): Likewise.
138 (objc_add_static_instance): Remove unused variables `decl_expr'
140 (get_objc_string_decl): Remove unused variable `decl'.
141 (generate_static_references): Remove unused variables `idecl' and
143 (check_protocols): Wrap empty else-statement body in braces.
145 * protoize.c: Include stdlib.h.
146 (substr): Add parentheses around assignment used as truth value.
148 (shortpath): Likewise.
150 * regmove.c (fixup_match_1): Add parentheses around assignment
153 * reload.c (push_secondary_reload): Remove unused variable `i'.
154 (find_reloads): Add parentheses around assignment used as truth
157 * reload1.c: Include stdlib.h.
159 * rtl.h: Correct typo in prototype of offsettable_memref_p.
161 * stmt.c (add_case_node): Add parentheses around assignment used
163 (case_tree2list): Likewise.
165 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
166 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
167 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
168 (merge_attributes): Add explicit braces to avoid ambiguous
171 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
174 * varasm.c: Include stdlib.h.
177 * system.h: Remove sys/stat.h.
178 * gcc.c: Add sys/stat.h.
180 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
181 * genattrtab.c: Likewise.
182 * genconfig.c: Likewise.
183 * genemit.c: Likewise.
184 * genextract.c: Likewise.
185 * genflags.c: Likewise.
186 * genopinit.c: Likewise.
187 * genoutput.c: Likewise.
188 * genpeep.c: Likewise.
189 * genrecog.c: Likewise.
190 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
192 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
194 * invoke.texi: Use @itemx for a secondary item in a @table.
196 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
199 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
201 * regclass.c (init_reg_sets): Move init of move cost tables...
202 (init_reg_sets_1): ...to here.
204 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
206 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
208 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
210 * i386.c (struct machine_function): Add new fields for PIC stuff.
211 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
213 (restore_386_machine_status): Corresponding changes.
214 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
216 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
218 * c-parse.y (undeclared variable error): Tweak error message
221 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
223 * flags.h (g_switch_value, g_switch_set): Declare.
224 * alpha.c (override_options): Set g_switch_value=8 if not set.
225 * alpha/elf.h (CC1_SPEC): New.
227 (LINK_SPEC): Pass along the -G value we were given.
228 (LOCAL_ASM_OP): Remove.
229 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
230 (MAX_OFILE_ALIGNMENT): New.
231 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
232 (EXTRA_SECTIONS): Add sbss and sdata.
233 (SECTION_FUNCTION_TEMPLATE): New.
234 (EXTRA_SECTION_FUNCTIONS): Use it.
235 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
236 (SELECT_SECTION): Use sdata when small enough.
237 * alpha/linux.h (ASM_SPEC): Remove.
240 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
241 * config.sub (sco5): Fix typo.
243 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
245 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
247 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
248 * config/alpha/t-linux: Remove file.
249 * config/sparc/t-linux: Remove file.
250 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
251 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
252 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
254 (alpha*-*-linux-gnu*): Likewise.
255 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
256 (sparc-*-linux-gnu*): Likewise.
258 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
259 * collect2.c (ldd_file_name): Bracket declaration with same
261 (full_real_ld_suffix): Deleted. Variable was calloced and
262 written into, but never read.
264 1998-02-23 Mike Stump <mrs@wrs.com>
266 * configure.in: Add support for i386-wrs-vxworks configuration.
267 * i386/vxi386.h: New file.
269 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
271 * tree.c (contains_placeholder_p): Ensure function always returns
273 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
274 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
276 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
278 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
280 1998-02-22 Paul Eggert <eggert@twinsun.com>
282 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
283 Define this new symbol.
284 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
285 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
286 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
288 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
290 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
291 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
293 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
295 * objc/Object.m (-error): Call objc_verror with our va_list.
297 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * collect2.c (scan_prog_file): Completely cover uses of variable
300 `exports' with macro COLLECT_EXPORT_LIST.
302 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
304 * version.c: Bump for snapshot.
306 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
308 * sched.c (schedule_block): Remove code to get arguments from hard
309 regs into pseudos early. Same as Aug 25, 1997 change to
312 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
314 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
316 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
318 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
319 continuation character (line 243).
321 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
323 * genrecog.c (main): Remove duplicated sentence in emitted comment.
325 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
326 David Edelsohn <edelsohn@mhpcc.edu>
328 * collect2.c (XCOFF_SCAN_LIBS): Remove.
329 (export_flag): New variable.
330 (export_file): #ifdef COLLECT_EXPORT_LIST.
331 (import_file, exports, imports, undefined): New variables.
332 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
333 (dump_list, dump_prefix_list, is_in_list): New functions.
334 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
335 (write_import_file, resolve_lib_name): New functions.
336 (use_import_list, ignore_library): Same.
337 (collect_exit): maybe_unlink import_file and #ifdef.
339 (main): New variable importf, #ifdef exportf. Move parsing of
340 -shared before general argument parsing. Resolve AIX library
341 paths and import libgcc.a symbols. Treat .so shared libraries the
342 same as objects and .a libraries. Create alias for object_lst and
343 increment it instead of original pointer. Scan AIX libraries as
344 objects earlier instead of using scan_libraries. Perform AIX
345 tlink later to resolve templates instead of forking ld.
346 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
347 (GCC_UNDEF_SYMBOL): New macro.
348 (scan_prog_file): Loop for members of AIX libraries. Handle
349 export/import of ctors/dtors.
350 (aix_std_libs): New variable.
351 (scan_libraries, XCOFF): Delete.
353 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
355 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
357 1998-02-19 Mike Stump <mrs@wrs.com>
359 * Makefile.in: Use $tooldir for sys-include to match toplevel
362 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
363 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
365 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
367 * emit-rtl.c (hard-reg-set.h): Include.
368 (get_lowpart_common): Don't make new REG for hard reg in a
369 class that cannot change size.
370 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
372 * combine.c: Revert previous patch.
374 1998-02-19 Paul Eggert <eggert@twinsun.com>
376 * config/sparc/sol2-sld.h: New file.
377 * configure.in (sparc-*-solaris2*): Use it when using the
380 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
382 * loop.c (force_movables): Fix typo.
384 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
386 * m88k.h: Change file pattern to match reality.
388 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
390 * varasm.c (output_constant_pool): Fix dumb thinko in last
393 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
394 a function name to a section name.
396 1998-02-18 Doug Evans <devans@cygnus.com>
398 * tree.h (merge_machine_{type,decl}_attributes): Declare.
399 (split_specs_attrs, strip_attrs): Add prototypes.
400 * tree.c (merge_machine_{type,decl}_attributes): New functions.
401 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
402 Update olddecl's attributes too.
403 * c-common.c (strip_attrs): New function.
404 * c-typeck.c (common_type): Call merge_machine_type_attributes.
405 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
406 (make_decl_rtl): Likewise.
408 1998-02-18 Jim Wilson <wilson@cygnus.com>
410 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
412 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
414 Remove this change until we can fix it correctly.
415 * collect2.c: Bracket declaration of 'exportf' and
416 'full_real_ld_suffix'.
418 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
420 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
422 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
424 * c-common.c (c_expand_start_cond, c_expand_end_cond,
425 c_expand_start_else): Don't warn about non-ambiguous else even if
428 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
430 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
431 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
434 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
436 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
437 simplifying a subreg of a hard reg.
438 (expand_compound_operation): Likewise.
439 (force_to_mode): Likewise.
441 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
443 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
444 (lshift_double): Add parentheses around + or - inside shift.
445 (rshift_double): Likewise.
446 (size_int_wide): Explicitly set type of `bit_p' to `int'.
448 * Makefile.in (fold-const.o): Depend on system.h.
450 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
453 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
454 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
455 (sched_note_set): Remove unused parameter `b', all callers changed.
456 (schedule_block): Likewise for `rgn'.
457 (split_hard_reg_notes): Likewise for `orig_insn'.
458 (check_live): Likewise for `trg'.
459 (update_live): Likewise.
460 (check_live_1): Explcitly declare variable `i' as int.
461 (update_live_1): Likewise.
462 (insn_issue_delay): Remove unused variable `link'.
463 (sched_analyze_2): Add default case in enumeration switch.
464 (schedule_insns): Remove unused variable `i'.
466 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
468 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
470 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
471 a dangling else clause.
473 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
475 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
476 pointer for the stack pointer in MIPS16 and 64BIT.
478 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
480 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
481 * emit-rtl.c (force_line_numbers, restore_line_number_status):
483 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
484 (expand_start_case): Adjust to this change.
485 (check_seenlabel): New function.
486 (pushcase, pushcase_range, expand_endcase): Use it.
488 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
490 * i386.md (adddi3): Add =!r,0,0,X alternative.
492 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
494 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
495 * x-aix31 (INSTALL): Delete.
497 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
499 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
500 tsize changes to something other than zero.
502 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
504 * ginclude/va-mips.h: Replace casts of pointers to int with
505 casts of pointers to __PTRDIFF_TYPE__.
507 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
509 * loop.c (strength_reduce, record_biv, record_giv): Use
510 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
512 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
514 * tree.c (first_rtl_op): New fn.
515 (unsave_expr_now): Use it.
516 * print-tree.c (print_node): Likewise.
517 * tree.c (has_cleanups): New fn.
518 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
519 conservative about pushing the cleanup point down.
520 * tree.h: Declare them.
522 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
524 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
525 (flag_schedule_reverse_after_reload): Likewise.
526 (f_options): Remove reverse scheduling support.
527 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
528 (flag_schedule_reverse_after_reload): Likewise.
529 * haifa-sched.c (rank_for_schedule): Remove support for reverse
532 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
534 * gcc.c: Get system includes, prototypes and macros via "system.h"
535 instead of doing it manually. Change all calls of the ctype
536 macros to custom versions defined in "system.h".
538 * system.h: Fix return type of bcmp prototype from `void' to `int'.
539 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
540 Add a prototype for getenv.
542 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
544 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
546 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
548 * alias.c: Include <stdlib.h> and <string.h>.
549 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
551 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
553 * version.c: Bump for snapshot.
555 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
557 * arm.md (movsfcc): Also validate operands[3] when compiling hard
559 (movdfcc): Only accept fpu_add_operand for operands[3].
561 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
562 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
564 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
566 * varasm.c (output_constant_pool): Bring back 'done' label inside
567 an appropriate #ifdef.
569 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
571 (bitmap_copy, bitmap_operation): Likewise.
572 * combine.c (combinable_i3pat): Similarly for 'src'.
573 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
574 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
575 * regclass.c (copy_cost): Similarly for 'secondary_class'.
576 * reload.c (make_memloc): Simliarly for 'i'.
577 (find_reloads_address_1): Similarly for 'link'.
578 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
579 (emit_reload_insns): Similarly for 'second_reloadreg'.
580 * unroll.c (iteration_info): Similarly for 'v'.
582 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
583 * calls.c (expand_call): Similarly for 'i'.
584 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
585 * fold-const.c (strip_compund_expr): Similarly for 'type'.
586 * function.c (fixup_var_refs_1): Similarly for 'width'.
587 (fixup_memory_subreg): Similarly for 'saved'.
588 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
589 (setjmp_protect): Similarly for 'sub'.
590 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
591 * loop.c (record_giv): Similarly for 'p'.
592 (combine_givs): Similarly for 'temp_iv'.
593 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
594 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
595 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
596 * unroll.c (unroll_loop): Similarly for 'copy'.
597 (iteration_info): Similarly for 'b'.
598 * varasm.c (assemble_string): Similarly for 'i'.
599 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
601 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
603 * dwarf2out.c (decl_scope_node): New type.
604 (decl_scope_table): Change type to use it.
605 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
606 (push_decl_scope): Use new type. New locals containing_scope, i.
607 Add code to handle setting previous field.
608 (scope_die_for): Change type of local i to int. Add code to use
610 (dwarf2out_init): Use new type.
612 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
614 * except.c (emit_throw): Lose throw_used.
616 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
618 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
620 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
622 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
624 * genextract.c (main): Fix typo.
626 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
628 * c-lang.c (finish_file): Bracket declaration of static_ctors,
631 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
632 'old_stack_arg_under_construction'
633 (emit_library_call): Bracket declaration of 'upper_bound',
634 'lower_bound', 'i', 'reg_parm_stack_space'
635 (emit_library_call_value): Likewise.
638 * collect2.c: include <unistd.h> when appropriate.
639 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
641 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
643 * explow.c (plus_constant_for_output_wide): Remove unused variable
645 (memory_address): Remove unused variable 'orig_x'.
647 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
648 (write_const_num_delay_slots): Remove unused variable 'i'.
650 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
651 (gen_insn): Remove unused variable 'obstack_ptr'.
653 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
655 (__bb_exit_trace_func): Remove unused variable 'e'.
657 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
659 (expand_unop): Remove unused variable 'funexp'.
660 (expand_complex_abs): Remove unused variable 'funexp'.
661 (init_optabs): Bracket declaration of 'j'.
662 (init_complex_libfuncs): Deleted. Dead static function.
664 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
666 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
667 (reg_to_stack): 'initialized', 'before_function_beg'
668 explictly type as ints instead of defaulting.
669 (emit_swap_insn): Remove unused variable 'i2'.
670 (compare_for_stack_reg): Remove unused variable 'src_note'.
672 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
674 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
676 * stmt.c (add_case_node): Add parens for assignment used as truth.
677 (all_cases_count): Remove unused variable 'count_high'.
678 (mark_seen_cases): Remove unused variable 'i'.
679 (check_for_full_enumeration_handling): Remove unused variable 't'.
680 Bracket declaration of 'all_values', 'l'.
682 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
684 * varasm.c (assemble_string): Remove unused variable 'i'.
685 (immed_double_const): Remove unused variable 'in_current_obstack'.
686 (immed_real_const_1): Likewise.
687 (output_constant_pool): Remove unreferenced label 'done'.
688 (output_constant): Remove unused variable 'x'.
690 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
693 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
696 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
698 * combine.c (can_combine_p): Handle USEs in PARALLELs.
700 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
702 * config/linux.h (LIB_SPEC): Add -lc for -shared if
703 USE_GNULIBC_1 is not defined.
704 * config/sparc/linux.h; Ditto.
706 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
708 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
709 USE_GNULIBC_1 is not defined.
711 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
713 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
716 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
718 * system.h: New file to get common systems includes and various
719 definitions and declarations based on autoconf macros.
721 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
723 * cccp.c (new_include_prefix): Correctly handle -I./.
725 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
727 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
729 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
731 * expr.c (expand_assignment): Correct typo exposed by -Wall.
732 offset should have been a truth value, not an assignment.
734 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
736 * cse.c (delete_dead_from_cse): If a libcall produces a constant
737 result and that result can be substituted into SET_SRC of the
738 insn with the REG_RETVAL note, then perform the substitution
739 and delete the libcall.
741 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
743 * mips.md (trucndihi2,truncdiqi2): Change these to support
746 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
748 * mips/mips.c (movdi_operand): Direct referances to symbols
749 that arn't mips16 consts in mips16 mode arn't valid operands.
751 * mips/mips.c (mips_move_2words): Add gprel handling.
753 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
755 * mips.md (extendsidi2): Allow extension to/from a non-mips16
758 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
760 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
763 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
765 * Makefile.in (WARN_CFLAGS): New variable.
766 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
768 1998-02-11 Mark Mitchell <mmitchell@usa.net>
770 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
771 falling through default case in switch.
772 (i386_aligned_p): Likewise.
774 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
776 * mips/mips.h (mips_abi_string): Correct typo in comment.
778 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
780 * mips/mips.md (movdi): These PLUS's need to be Pmode.
782 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
785 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
786 indirectly via expr.h.
788 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
790 * stor-layout.c (layout_type): Do upper - lower in the native type,
791 so as to properly handle negative indices.
793 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
795 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
796 (expand_eh_region_start_tree): Remove unused variable 'note'.
797 (exception_optimize): Remove unused variable 'regions'.
798 (expand_builtin_eh_stub): Remove unused variable 'temp'.
799 (copy_eh_entry): Deleted. Dead function.
801 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
802 'last' with same #if HAVE_load_multiple as use of it.
803 (move_block_from_reg): Likewise.
804 (emit_move_insn_1): Remove unused variable 'insns'.
805 (store_constructor): Bracket declaration of startb, endb with
806 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
807 'target', and 'xtarget'.
808 (expand_builtin_setjmp): Remove unused variables 'op0',
809 'next_arg_reg', 'old_inhibit_defer_pop'.
810 (expand_builtin): Remove unused variable 'offset'.
811 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
812 (emit_queue): Add parens for assignment used as conditional.
813 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
815 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
817 * i386.c: Added include for recog.h.
818 (override_options): Removed unused variable p. Initialized regno to
820 (order_regs_for_local_alloc): Initialized regno to avoid warning.
821 (legitimize_address): Likewise for 'other'.
822 (i386_aligned_reg_p): Added default case with abort ().
823 (print_operand): Likewise.
824 (reg_mentioned_in_mem): Likewise.
825 (ix86_expand_binary_operator): Removed unused variables i & insn.
826 (ix86_expand_unary_operator): Removed unused variable insn.
827 (output_fp_cc0_set): Removed unused variable unordered_label.
829 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
831 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
832 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
833 and format string match.
835 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
837 * flow.c (life_analysis): Do not conside the stack pointer live at
838 the end of a function if the fucntio ncalls alloca.
839 (mark_used_regs): Similarly.
841 1998-02-10 John F Carr <jfc@mit.edu>
843 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
844 1, fzero on alternative 8.
846 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
848 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
850 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
852 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
853 SUBREGs of CONST_INTs.
855 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
857 * mips.c (print_operand, function_prologue): Make printf format
860 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
862 * alpha.c (alpha_return_addr): Remove unused variable `first'.
863 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
864 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
866 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
868 * loop.c (strength_reduce): When placing increment for auto-inc
869 case, do comparison in loop order.
871 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
873 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
876 * calls.c (expand_call): Change test of expand_inline_function
877 return value to stop compiler warning.
879 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
881 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
882 Jeff Law (law@cygnus.com)
884 * regmove.c: Fix various minor formatting problems.
885 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
886 is true. Make end of basic block tests consistent through regmove.c.
887 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
888 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
890 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * gansidecl.h: Check for a conflicting macro definition before
893 attempting to prototype bcopy, bcmp or bzero.
895 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
897 * expr.c (clear_pending_stack_adjust): Handle case where a function
898 calls alloca, but the user has specified -fomit-fframe-pointer.
900 * function.c (assign_parms): Fix typo in last change.
902 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
904 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
906 (free_path_suffix): Remove unreferenced static function.
907 (process_command): Remove unused variable temp.
908 (default_arg): Remove unused variable i.
909 (do_spec_1): Add parens for assignment used as truth value.
911 (validate_all_switches): Likewise.
912 (main): Remove unused variables i, first_time>
914 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
916 * calls.c (expand_call): Remove unused variables funtree,
919 * dbxout.c, except.c: Include <string.h>/<strings.h>.
921 * explow.c: (plus_constant_for_output_wide) Removed unused
922 variable all_constant.
924 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
925 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
926 genrecog.c, global.c, integrate.c , stupid.c : Include
929 * genextract.c: (walk_rtx) Remove unused variable link.
931 * genrecog.c: (concat) Remove unreferenced static function.
933 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
935 * stmt.c: Include <stdlib.h>.
936 (expand_asm_operands): Remove unused variable val1.
937 (expand_return): Remove unused variable block.
938 (pushcase): Remove unused variables l and n.
939 (pushcaserange): Likewise.
941 * unroll.c (unroll_loop): Remove unused variable temp.
943 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
945 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
947 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
949 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
950 functions for whether they support the %p format specifier.
951 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
952 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
953 * configure, config.in: Rebuild.
955 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
957 * function.c (assign_parms): New variable named_arg, with value
958 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
960 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
962 * mips/t-r3900: New - same as t-ecoff but eliminate
963 multilibs: mips1 and mips3.
964 * configure.in (tx39*): Use new mips/t-r3900.
965 * configure: Rebuild.
966 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
968 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
970 * dwarf2out.c: Add old_args_size.
971 (dwarf2out_args_size): Use it.
972 (dwarf2out_begin_prologue): Initialize it.
973 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
974 pushed args until we see a call.
975 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
976 before outputting them.
978 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
980 * cplus-dem.c (demangle_template_template_parm): New function.
981 (demangle_template): Handle template template parameters.
983 1998-02-02 Mark Mitchell <mmitchell@usa.net>
985 * calls.c (expand_call): Don't confuse member functions named
986 realloc, setjmp, and so forth with the standard library
987 functions of the same names.
989 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
991 * stmt.c (expand_asm_operands): Correctly identify asm statements
994 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
996 * c-common.c (decl_attributes): Flag unrecognized attribute
997 functions as warnings instead of as errors.
999 1998-02-05 Marc Lehmann <pcg@goof.com>
1001 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1002 when -Os is specified.
1003 * toplev.c (main): Don't disable flag_inline_functions anymore when
1006 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1008 * regmove.c: Update.
1009 * flags.h (flag_regmove): Declare.
1010 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1011 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1012 Moved into regmove; changed caller.
1013 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1014 expensive_optimizations.
1016 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1018 * version.c: Bump for snapshot.
1020 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1021 Undo this change (the problem was actually in reload):
1022 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1024 * sh.md (movqi_i+1): New peephole.
1026 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1028 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1029 not needed anymore due to changes elsewhere in jump.c.
1031 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1034 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1036 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1037 the labels to branch to on first and subsequent executions. Don't
1038 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1039 and provide it with the jmp_buf. Use only one of
1040 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1041 and provide the former with the target label.
1042 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1043 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1044 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1045 insn to replace all of the normal nonlocal_goto code. Don't play
1046 with __dummy. Correct arguments to nonlocal_goto.
1047 * expr.h (expand_builtin_setjmp): Update prototype.
1048 * except.c (start_dynamic_handler): When using builtin_setjmp,
1049 generate more accurate flow information.
1051 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1052 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1053 (builtin_longjmp, builtin_setjmp_receiver): New.
1054 * sparc.md (update_return): Disambiguate unspec number.
1055 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1056 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1058 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1059 (builtin_setjmp_setup*, builtin_longjmp): New.
1061 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1063 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1065 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1067 * vmsconfig.com: Remove bytecode references.
1069 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1071 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1072 -fno-sjlj-exceptions works for a target that defines
1073 DWARF2_UNWIND_INFO as zero.
1075 * regmove.c (fixup_match_1): Undo last change which removed some
1076 "useless" code, and add a comment explaining this.
1078 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1080 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1083 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1085 * makefile.vms: Remove bytecode references.
1086 Create genrtl files.
1088 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1090 * jump.c (jump_optimize): Allow conditional loading of floating point
1091 constants and constants from memory. Reinstalled modified_in_p tests.
1093 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1095 * loop.c (get_condition): Handle sign-extended constants.
1097 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1099 * expr.c (emit_push_insn): Add code to use movstrti if present.
1101 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1102 and movstrqi as in emit_block_move ().
1104 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1106 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1107 the directories to fixinclude - /usr/include is a link
1108 to it and hence its contents are fixed by default.
1110 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1112 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1114 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1116 * cccp.c (main): Predefine __VMS_VER on VMS.
1118 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1120 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1121 * fold-const.c (size_int): Replace with
1123 (make_bit_field_ref): Use bitsize_int for bit position.
1124 * stor-layout.c (sizetype): Delete.
1125 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1126 (layout_record, layout_union, layout_type):
1127 Use bitsize_int for bit size.
1128 (set_sizetype): New function.
1129 (make_signed_type, make_unsigned_type): Use it.
1130 * c-decl.c (init_decl_processing): Likewise.
1131 * tree.h (size_int): Don't delcare, #define.
1132 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1133 (set_sizetype): Declare.
1134 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1136 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1137 Convert result to sizetype.
1138 (really_start_incremental_init, push_init_level):
1139 Set type of constructor_bit_index to sbitsizetype.
1140 (push_init_level): Use unsigned arithmetic to determine padding.
1141 (output_init_element): Likewise.
1143 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1145 * combine.c (simplify_shift_const): Fix typo in last change.
1147 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1149 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1150 is (truncate (lshiftrt)).
1152 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1154 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1155 Make sure result winds up in TGT.
1156 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1157 src to be other than DImode.
1158 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1159 (alpha_expand_unaligned_store_words): Likewise.
1160 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1161 that source and destination are separately optimized for alignment.
1162 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1164 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1166 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1167 with handling of -32768.
1169 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1171 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1172 shell variable argument instead of only hard coded functions.
1173 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1175 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1176 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1177 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1178 declarations for bcopy, bcmp and bzero.
1180 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
1182 * gansidecl.h: If we have bcopy but don't declare it, then do so.
1183 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
1184 bzero, index and rindex if they aren't already present.
1186 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
1188 * toplev.c (close_dump_file): Wrap function prototype for
1189 argument "func" in PROTO.
1190 (dump_rtl): Likewise.
1192 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
1194 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
1196 (output_function_epilogue): Omit epilogue if nothing drops through.
1197 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1198 (registers_ok_for_ldd_peep): Likewise.
1199 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1200 (ultrasparc_adjust_cost): New function.
1201 (sparc_issue_rate): New function.
1202 * sparc.h (MASK_VIS, TARGET_VIS): New
1203 (MASK_V8PLUS, TARGET_V8PLUS): New.
1204 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1205 (TARGET_SWITCHES): Add vis and v8plus.
1206 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1207 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1208 (RTX_COSTS): Use TARGET_HARD_MUL
1209 (ADJUST_COST): Call ultrasparc_adjust_cost.
1211 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1212 of load & fp appropritely.
1213 (supersparc function units): Adjust for Haifa.
1214 (ultrasparc function units): Likewise.
1215 (get_pc_via_rdpc): All v9, not just arch64.
1216 (movdi_v8plus, movdi_v8plus+1): New.
1217 (adddi3_sp32+1): New.
1218 (subdi3_sp32+1): New.
1219 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1220 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1221 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1222 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1223 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1224 (ldd peepholes): Suppress for v9.
1225 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1226 (return_subsi): Revmove.
1228 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1230 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1231 save/restore MEM rtl.
1233 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1235 * configure.in: Check for declaration of abort.
1236 * acconfig.h: Corresponding changes.
1237 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1240 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1242 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1245 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1247 * version.c: Bump for snapshot.
1249 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1251 * configure.in: Check for atoq and atoll.
1252 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1253 proper routine for converting ascii into long long values.
1255 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1257 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1259 * vmsconfig.com: Remove bytecode references.
1261 * alpha/vms.h (PREFIX): Define.
1263 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1265 * am-alpha.h: Don't include alloca for OPEN_VMS.
1267 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1269 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1270 (GCC_INCLUDE_DIR): Define
1272 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1273 * makefile.vms: New file.
1275 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1277 * alpha.c (output_prolog): Output '.name' directive
1278 for minimal traceback information.
1280 * alpha.c (output_prolog): Don't prepend entry point symbols
1281 with '$' on OPEN_VMS.
1283 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1284 Jeffrey A Law (law@cygnus.com)
1286 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1289 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1291 * genemit.c (gen_exp): Likewise.
1292 * genpeep.c (match_rtx): Likewise.
1293 * genrecog.c (write_tree_1): Likewise.
1295 * c-lex.c (yyprint): Use proper format string based upon
1296 disposition of HOST_BITS_PER_WIDE_INT.
1297 (yylex): Put casts in right place for args to build_int_2.
1299 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1301 * combine.c: Fix typos in Jan27 changes.
1303 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1305 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1306 (LINK_SPEC): Likewise.
1307 (STARTFILE_SPEC): Likewise.
1309 1998-01-28 Mike Stump <mrs@wrs.com>
1311 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1313 * genattrtab.c (reload_completed): Define.
1315 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1318 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1320 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1321 SUBREG_REG if the word count is unchanged, also in the input reload
1322 case. Disable non-applicable sanity checks.
1324 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1326 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1328 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1330 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1332 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1334 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1335 is a TREE_VEC before trying to use it for baseclasses.
1336 (Chill uses the same field for a different purpose.)
1338 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1340 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1342 * config.sub: More accurate determination of HP processor types.
1344 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1346 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1347 prototype for `handle_sysv_pragma', and make it static. Add
1348 parentheses around assignment used as truth value.
1350 * combine.c (combine_instructions): Protect variable `prev' with
1352 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1353 (extract_left_shift): Add parentheses around operand of &.
1354 (merge_outer_ops): Avoid an empty body in an else-statement.
1355 (gen_rtx_combine): Remove unused variable `i'.
1357 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1358 function monstartup `void'. Likewise for internal_mcount. Add
1359 `static void' prototype for moncontrol. Reconcile sprintf format
1362 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1363 Make return type of function_arg_slotno explicitly `int'.
1364 (reg_unused_after): Add parentheses around assignment used as
1366 (save_regs): Add explicit braces to avoid ambiguous `else'.
1367 (function_arg_slotno): Add parentheses around && within ||.
1368 (function_arg_pass_by_reference): Likewise.
1369 (sparc_flat_output_function_prologue): Reconcile fprintf format
1372 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1373 assignment used as truth value.
1375 * cplus-dem.c: Include <stdlib.h>.
1376 (demangle_signature): Avoid an empty body in an else-statement.
1377 (do_type): Remove unused variable `lvl'.
1379 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1380 Include <string.h>/<strings.h>.
1381 (cpp_lex): Remove unused variable `namelen'.
1382 (cpp_lex): Explicitly declare `num_chars' as an int.
1384 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1385 <unistd.h> instead. Explicitly declare is_system_include
1387 (make_assertion): Remove unused variable `kt'.
1388 (cpp_expand_to_buffer): Hide variable `obuf'.
1389 (output_line_command): Remove unused variables, `line_end',
1390 `line_cmd_buf' and `len'.
1391 (macarg): Remove unused variable `arg_start'.
1392 (special_symbol): Remove unused variable `i'. Add parentheses
1393 around assignment used as truth value.
1394 (do_include): Remove unused variables `pcfname' and `retried',
1395 hide `pcf' and `pcfbuflimit'.
1396 (do_line): Remove unused variable `i'.
1397 (finclude): Hide variable `missing_newline'.
1398 (cpp_handle_options): Remove unused variable `j'.
1399 (read_token_list): Remove unused variable `eofp'.
1400 (cpp_error_with_line): Remove unused variable `i'.
1401 (cpp_warning_with_line): Likewise.
1402 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1403 (cpp_error_from_errno): Remove unused variable `i'.
1405 * cse.c (invalidate): Add parentheses around assignment used as
1407 (find_best_addr): Move declaration of variable `our_cost' inside
1408 the conditional macro where its used.
1409 (fold_rtx): Avoid an empty body in an if-statement.
1410 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1411 `this_insn_cc0' in macro HAVE_cc0.
1413 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1414 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1415 (output_uleb128): Likewise.
1416 (output_sleb128): Likewise.
1417 (output_cfi): Likewise.
1418 (output_call_frame_info): Remove unused variables `j', `fde_size'
1420 (comp_unit_has_inlines): Hide declaration as per rest of file.
1421 (size_of_line_prolog): Correct typo in prototype.
1422 (add_arange): Likewise.
1423 (output_aranges): Likewise.
1424 (add_name_and_src_coords_attributes): Likewise.
1425 (gen_array_type_die): Likewise.
1426 (gen_inlined_subroutine_die): Likewise.
1427 (equate_decl_number_to_die): Remove unused variable `i'.
1428 (print_die): Reconcile format vs. args in fprintf's.
1429 (print_dwarf_line_table): Likewise.
1430 (output_die): Likewise.
1431 (output_line_info): Likewise.
1432 (add_subscript_info): Avoid an empty body in an else-statement.
1433 (gen_subprogram_die): Remove unused variable `fp_loc'.
1435 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1436 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1437 macro. Protect `src_coords_attribute' prototype with
1438 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1439 prototype as in the rest of the file. Likewise for
1440 `output_pointer_type_die' and `output_reference_type_die'. Remove
1441 prototype for `type_of_for_scope'.
1442 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1443 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1445 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1446 (shorten_branches): Protect declaration of tmp_length with
1447 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1448 (profile_function): Protect declaration of `sval' and `cxt'
1449 variables with appropriate macros.
1450 (final_scan_insn): Likewise for `note' variable. Add explicit
1451 braces to avoid empty body in an if-statement.
1452 (output_asm_insn): Move variable `i' inside macro conditional
1453 where it is used. Add parentheses around assignment used as truth
1455 (asm_fprintf) Likewise, likewise.
1457 * fix-header.c (main): Remove unused variable `done'. Protect
1458 declaration of `i' with FIXPROTO_IGNORE_LIST.
1460 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1462 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1465 * profile.c: Include <string.h>/<strings.h>.
1466 (instrument_arcs): Remove unused variables `note', `inverted',
1467 `zero' and `neg_one'.
1468 (branch_prob): Avoid empty body in an if-statement.
1470 * regclass.c: Include <stdlib.h>.
1471 (reg_alternate_class): Explicitly declare parameter `regno'.
1473 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1474 parentheses around assignment used as truth value.
1475 (find_matches): Remove unused variables `output_operand' and
1477 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1479 * scan.c (sstring_append): Explicitly declare `count' as int.
1480 (scan_string): Explicitly declare parameter `init' as int.
1482 * sched.c: Include <stdlib.h>.
1483 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1484 (rank_for_schedule): Add parentheses around assignment used as
1486 (schedule_block): Likewise.
1487 (regno_use_in): Likewise.
1488 (schedule_insns): Remove unused variable `i'.
1490 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1491 (v_message_with_decl): Remove unused variable `n'.
1492 (botch): Explicitly declare parameter `s' as char *.
1493 (main): Add parentheses around assignment used as truth value.
1495 * tree.c (make_node): Protect the variable `kind' with the
1496 GATHER_STATISTICS macro.
1497 (real_value_from_int_cst): Move variable `e' inside conditional
1498 macro area where it is used.
1499 (tree_last): Add parentheses around assignment used as truth value.
1500 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1502 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1503 Protect variables `i', `total_nodes', and `total_bytes' with the
1504 GATHER_STATISTICS macro.
1506 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1508 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1509 some comments regarding use of dead_or_set_p.
1511 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1513 * fixincludes: Tweak fix for struct exception in math.h
1515 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1517 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1518 Change mode of registers used to add/sub from
1519 hard_frame_pointer_rtx from word_mode to Pmode.
1521 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1523 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1524 asm_output_aligned_bss() instead of asm_output_bss().
1526 * toplev.c (rest_of_compilation): Replace references to
1527 stack_reg_dump_file and dbr_sched_dump_file with references to
1530 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1532 * tlink.c (scan_linker_output): Call fclose() for opened files.
1534 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1536 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1537 compiling with -fpic -- we want to be able to override symbols
1539 (alpha_expand_block_move): Fix thinko in last change.
1541 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1542 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1543 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1545 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1547 * alpha.md (abssf, absdf): Revert last change.
1549 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1551 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1552 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1554 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1556 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1557 a CONST_INT into SFmode.
1559 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1561 * flags.h: New flag (optimize_size).
1562 * toplev.c (main): Parse -Os option and set optimize_space
1564 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1565 __OPTIMIZE_SIZE__ when compiling with -Os.
1566 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1567 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1568 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1570 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1572 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1574 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1575 stuff only if MCT_TEXT is #define'd.
1577 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1579 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1582 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1584 * toplev.c: Add -dM command line option to dump RTL after the
1585 machine dependent reorganisation pass, if there is one.
1586 Reorganise RTL dump code, so that only one file handle is
1589 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1591 * except.c (check_exception_handler_labels): Disable warning when
1594 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1596 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1598 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1600 * c-decl.c (grokdeclarator): Get parameter tags from
1601 last_function_parm_tags.
1602 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1603 traversing the parameter types.
1604 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1606 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1608 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1610 (get_shift_alg): Fix typo.
1612 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1614 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1616 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1618 * toplev.c (get_run_time): Make sure each case gets its variables.
1620 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1622 * configure.in (build_xm_file): Add auto-config.h if host=build.
1623 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1624 (build_xm_file_list): Likewise.
1625 * configure: Rebuild.
1627 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1629 * recog.c (validate_replace_rtx_1): Only perform substitutions
1630 of arguments to commutative and comparison operators once.
1632 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1634 * sparc.c (output_cbranch): Add default case in
1637 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1638 (emit_delay_sequence): Eliminate unused parameter, all callers
1640 (fill_simple_delay_slots): Likewise.
1641 (fill_slots_from_thread): Likewise.
1642 (fill_eager_delay_slots): Likewise.
1643 (mark_referenced_resources): Add default case in enumeration switch.
1644 (mark_set_resources): Likewise.
1645 (rare_destination): Likewise.
1646 (mostly_true_jump): Likewise.
1647 (find_dead_or_set_registers): Likewise.
1648 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1649 (update_reg_unused_notes): Remove unused variable `p'.
1650 (mark_target_live_regs): Remove unused variables `next' and
1652 (fill_simple_delay_slots): Remove unused variable `j'.
1653 (fill_slots_from_thread): Add parentheses around assignment used
1655 (dbr_schedule): Likewise.
1657 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1658 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1660 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1662 * cse.c (simplify_ternary_operation): Don't try to simplify
1663 IF_THEN_ELSE expressions (created by combine) that don't use
1664 relational operators.
1666 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1668 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1671 * crtstuff.c (init_dummy): Keep the epilogue in the init
1672 section for non-ELF systems.
1674 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1676 * sh.md (movqi_i+1): New peephole.
1678 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1680 * Makefile.in: Remove remaining bytecode stuff.
1681 * emit-rtl.c, expr.c: Likewise.
1683 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1685 * toplev.c (lang_options): Add unknown-pragma options.
1687 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1689 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1690 special (and incomplete) handling for Chill arrays.
1692 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1694 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1697 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
1699 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
1701 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
1703 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
1704 .frame directive instead of FRAME_POINTER_REGNUM.
1706 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
1708 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
1709 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
1710 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
1711 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
1712 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
1713 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
1714 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1715 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1717 * longlong.h: Replace __mc68332__ with __mcpu32__.
1719 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
1721 * version.c: Bump for snapshot.
1723 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
1725 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
1726 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
1727 * reload1.c (eliminate_regs): Likewise.
1729 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
1731 * regmove.c (find_matches): Initialize matches->earlyclobber too.
1733 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
1735 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
1736 (negsf2, negdf2): Use proper subtract in IEEE mode.
1738 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
1740 * Makefile.in: Remove more bytecode stuff.
1741 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
1742 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
1743 * f/install.texi, objc/Make-lang.in: Likewise.
1745 * Makefile.in: Remove all bytecode support.
1746 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
1747 * emit-rtl.c: Remove all bytecode support.
1748 * expr.c, expr.h function.c, integrate.c: Likewise.
1749 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
1750 * tree.h, varasm.c: Likewise.
1751 * config/m68k/m68k.h: Likewise.
1752 * bi-*, bc-*, bytecode*: Delete bytecode related files.
1753 * modemap.def: Likewise.
1755 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
1757 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
1758 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
1760 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
1762 * i386.md (push): Prohibit symbolic constants if flag_pic.
1763 (movsi+1): Likewise for move to non-register.
1765 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
1767 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
1768 (print_operand): Handle 0xffffffff on 32 bit host.
1770 * configure.in (thread_file): Rename uses before main loop to
1771 target_thread_file. Initialize to empty in main loop. Set thread_file
1772 to target_thread_file after main loop if not set.
1773 * configure: Rebuild.
1775 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
1776 (add_values_to_cover): Revert last change (which had no ChangeLog
1778 (simplify_with_current_value_aux): Handle CONST_INT.
1780 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1782 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
1784 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
1786 * configure.in: Add cpp stringify test.
1787 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
1788 * gengenrtl.c: Use it.
1789 * configure, config.in: Rebuild.
1791 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1793 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
1795 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
1797 * configure.in: Find declaration for sbrk.
1798 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
1799 * config.in, configure: Rebuild.
1800 * mips-tfile.c: Properly protect declaration of sbrk and free.
1801 * toplev.c: Properly protect declaration of sbrk.
1803 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
1805 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
1807 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
1809 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
1811 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
1813 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
1815 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
1817 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
1818 constant offset computations from objects with known alignment in
1819 the presence of STACK_BIAS.
1821 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
1823 (const_hash): Hash val is unsigned long.
1824 (SYMHASH): Likewise.
1826 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
1828 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
1829 char pointer, not HOST_WIDE_INT.
1830 (print_node): Likewise. Also hash is unsigned long not
1833 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
1835 * explow.c (optimize_save_area_alloca): New function for targets
1836 where SETJMP_VIA_SAVE_AREA is true.
1837 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
1838 compute the amount of stack space needed should we find later that
1839 setjmp is never called by this function, stuff rtl for this inside
1840 a REG_NOTE of the final SET of stack_pointer_rtx.
1841 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
1842 current_function_calls_alloca, call optimize_save_area_alloca.
1844 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
1846 * i386.md: Remove redundant integer push patterns.
1847 Don't bother checking for TARGET_PUSH_MEMORY when
1848 pushing constants or registers.
1850 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1851 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
1853 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
1854 (pwait): New function for mingw32.
1856 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
1857 pipe support is broken for now.
1859 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
1861 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
1862 between frame_pointer_rtx, hard_frame_pointer_rtx, and
1863 arg_pointer_rtx is respected in initialization.
1864 (init_emit_once): Use gen_rtx_raw_REG() to create
1865 return_address_pointer_rtx.
1867 * reorg.c: #include "expr.h" for rtx prototypes.
1868 * Makefile.in (reorg.o): Depend on expr.h
1870 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
1872 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
1873 local_prefix to sub-make invocations.
1875 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
1877 * objc-parse.c: Recognize protocol qualifiers in class definitions.
1879 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
1883 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
1884 * configure.in: Check for atol.
1885 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
1887 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1889 * loop.c (find_and_verify_loops): When attempting to move insns from
1890 inside the loop outside the loop, create a BARRIER if no suitable
1893 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1894 favor of an equivalent change from gcc-2.8.
1896 * i386/x-sco5 (CC): Remove trailing whitespace.
1898 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1901 (accessor_from_format): Likewise.
1902 (xmalloc): New function for use when linking with alloca.o.
1904 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1906 * frame.c (find_fde): Correct FDE's upper bound.
1908 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1910 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1912 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1914 * calls.c (expand_call): Move #ifdef code out of macro argument
1916 (emit_library_call, emit_library_call_value): Likewise.
1918 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1920 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1922 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1924 * version.c: Bump for snapshot.
1926 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1928 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1929 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1930 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1931 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1932 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1933 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1934 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1935 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1936 * unroll.c, varasm.c: Likewise.
1937 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1939 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1941 * mips.h: Fix some type-o's from a previous change.
1943 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1945 * loop.c (check_dbra_loop): Make sure initial value is a
1946 CONST_INT before trying to normalize it.
1948 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1950 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1952 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1954 * cppexp.c: Include gansidecl.h
1956 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1958 * svr4.h (LINK_SPEC): Never specify -h.
1959 * ptx4.h (LINK_SPEC): Likewise.
1960 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1961 * sparc/sol2.h (LINK_SPEC): Likewise.
1963 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1965 * c-typeck.c (comptypes): Exit early on NULL input.
1967 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1968 dependencies after reload.
1970 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1972 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1974 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1976 * alpha/vms.h (DIR_SEPARATOR): define
1978 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1980 * Makefile.in (stamp-proto): Remove.
1981 (protoize.o, unprotoize.o): Straightforward compile.
1982 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1984 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1986 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1987 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1989 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1991 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1992 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1993 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1995 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1997 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1999 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2001 * configure.in (target_cpu_default, target_cpu_default2): Use double
2002 quotes around them when testing their value.
2003 * configure: Rebuilt.
2005 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2007 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2009 (gendef): Call obstack_alloc_rtx.
2011 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2013 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2016 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2018 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2019 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2020 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2022 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2024 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2026 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2028 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2031 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2033 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2034 suffix from operand 3.
2036 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2037 Jeffrey A Law (law@cygnus.com)
2039 * regmove.c: New implementation of regmove pass.
2040 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2041 decls, make them have external linkage. Return a value from
2042 optimize_reg_copy_1.
2043 * reload.h (count_occurrences): Add decl.
2044 * reload1.c (count_occurrences): Delete decl, make it have external
2046 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2048 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2050 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2051 if it is not defined.
2053 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2055 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2056 * emit-rtl.c (gen_rtx): Move special code to ...
2057 (gen_rtx_CONST_INT): New function.
2058 (gen_rtx_REG): New function.
2059 (*): Update all calls to gen_rtx.
2060 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2061 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2062 (GEN_INT): Call gen_rtx_CONST_INT.
2063 * gengenrtl.c: New file.
2065 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2067 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2068 (base_alias_check): If no base found for address call canon_rtx and
2071 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2073 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2074 arguments for mips16.
2075 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2076 Don't lose if tsize is zero after handling large stack for mips16.
2077 * mips.md (return): For trivial return, return address is in $31.
2079 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2081 * mips/mips16.S: Various changes to make it work with -msingle-float
2084 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2085 Ian Lance Taylor <ian@cygnus.com>
2086 Jeff Law <law@cygnus.com>
2088 * mips.c, mips.h, mips.md: First cut at merging in mips16
2089 support. Major modifications throughout all three files.
2091 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2093 * configure.in: Make gthr-default.h a forwarding header instead of
2096 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2098 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2100 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2102 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2103 Jeffrey A Law (law@cygnus.com)
2105 * crtstuff.c (__frame_dummy): New function for irix6.
2106 (__do_global_ctors): Call __frame_dummy for irix6.
2107 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2109 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2111 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2113 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2115 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2116 for __builtin_memset.
2117 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2118 not INTEGER_CST. Assert arg 3 is a constant.
2120 * alpha.c (mode_width_operand): Accept 64-bit modes.
2121 (mode_mask_operand): Likewise.
2122 (print_operand): Likewise for 'M' and 'U' codes.
2123 (alpha_expand_unaligned_load): New function.
2124 (alpha_expand_unaligned_store): Likewise.
2125 (alpha_expand_unaligned_load_words): Likewise.
2126 (alpha_expand_unaligned_store_words): Likewise.
2127 (alpha_expand_block_move): Likewise.
2128 (alpha_expand_block_clear): Likewise.
2129 * alpha.h (MOVE_RATIO): New define.
2130 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2131 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2133 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2134 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2136 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2138 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2139 * configure: Update.
2141 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2143 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2144 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2146 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2149 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2151 * configure.in: Set and subsitute host_exeext. Use it when creating
2152 the assembler and linker symlinks.
2153 * configure: Rebuild.
2154 * Makefile.in (exeext): Set to @host_exeext@.
2155 (build_exeext): New variable, set to @build_exeext@.
2156 (FLAGS_TO_PASS): Pass down build_exeext.
2157 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2160 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2162 * mn10200.md (addsi3, subsi3): Fix thinkos.
2164 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2166 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2167 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2168 unix always, since we want to be able to thunk to functions in a
2169 shared library from an application.
2171 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2173 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2174 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2176 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2178 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2179 offset's mode is not ptr_mode, convert it.
2181 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
2183 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
2184 compiling if it was already defined.
2186 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
2188 * flow.c (find_basic_blocks): Don't create a new basic block
2189 for calls in a LIBCALL block.
2191 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
2193 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
2195 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
2197 * cse.c (rtx_cost): Remove conflicting default case.
2199 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2201 * configure.in: Move default enabling of Haifa out of for loop.
2202 * configure: Rebuild.
2204 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2206 * version.c: Bump for snapshot.
2208 1997-12-25 Teemu Torma <tot@trema.com>
2210 * Makefile.in (GTHREAD_FLAGS): New var.
2211 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2212 (distclean): Remove gthr-default.h.
2214 * configure.in: Accept dce as a thread package.
2215 Check for thread.h and pthread.h.
2216 Link gthr-default.h to appropriate thread file and set
2218 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2219 include multilib definitions from pa/t-dce-thr.
2220 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2221 pthread.h is found, preferring posix threads over solaris ones.
2223 * config/pa/t-dce-thr: New file.
2224 * config/pa/t-pa: Removed multilibs.
2225 * config/sparc/t-sol2: Ditto.
2228 * gthr-single.h: New file.
2229 * gthr-posix.h: New file.
2230 * gthr-solaris.h: New file.
2231 * gthr-dce.h: New file.
2232 * libgcc-thr.h: Removed.
2233 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2235 * frame.c: Include gthr.h instead of libgcc-thr.h.
2236 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2237 (eh_context_initialize): If __gthread_once fails, use static eh
2239 (eh_context_free): Call __gthread_key_dtor.
2241 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2243 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2245 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2247 * cse.c (max_insn_uid): New variable.
2248 (cse_around_loop): Use max_insn_uid.
2249 (cse_main): Set max_insn_uid.
2251 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2252 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2253 -mlong64, and -mgp{32,64} options.
2254 * mips.c (mips_abi): Change type to int.
2255 * mips.h (enum mips_abi_type): Delete.
2256 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2257 (mips_abi): Change type to int.
2259 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2261 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2262 optimization is now always enabled.
2264 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2267 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2269 (*_dependence): Call canon_rtx before base_alias_check.
2270 (init_alias_once): New function to precompute set of registers which
2271 can hold Pmode function arguments.
2273 * rtl.h: Declare init_alias_once.
2275 * toplev.c (compile_file): Call init_alias_once.
2277 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2279 * tree.c (restore_tree_status): Do not dereference a null pointer.
2281 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2283 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2284 RLIMIT_STACK. This maintains consistency with the recent, similar
2285 patch to cccp.c and toplev.c.
2287 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2289 * genattrtab.c (expand_units): For large nr opclasses, expand
2290 function_units_used with ORX to prevent blowups. Tag with FFS.
2291 (num_unit_opclasses): New variable.
2292 (gen_unit): Update it.
2293 (enum operator): Add ORX_OP.
2294 (operate_exp): Treat ORX as or, except don't expand across an if.
2295 Reuse number rtx's after operating on them.
2296 (check_attr_value): Accept IOR, AND, & FFS.
2297 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2298 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2299 (write_expr_attr_cache, write_toplevel_expr): New functions.
2300 (write_attr_get): Handle FFS-tagged expressions.
2301 (make_canonical): Don't expand const attributes.
2302 (convert_const_symbol_ref): Dike out.
2303 (evaluate_eq_attr): Handle SYMBOL_REF.
2304 (main): Don't emit get_attr_foo for const attributes.
2306 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2307 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2308 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2309 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2310 combining function units where possible.
2311 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2312 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2313 (attr "opsize"): New attribute.
2314 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2315 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2316 to control register allocation.
2317 (movsi2-1, movdi2-1): Likewise.
2319 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2321 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2322 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2323 Move OSF/1 specific defines out.
2324 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2325 Move Linux specific defines out.
2326 (LINK_SPEC): Genericize.
2327 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2328 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2329 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2330 (HANDLE_SYSV_PRAGMA): Define.
2331 * alpha/osf.h: New file.
2332 * alpha/linux.h: Split. Retain file-format independant defines.
2333 Import Linux bits from elf.h.
2334 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2335 (FUNCTION_PROFILER): _mcount takes its address in $28.
2336 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2337 * alpha/linux-ecoff.h: New file.
2338 * alpha/linux-elf.h: New file.
2339 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2340 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2341 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2342 Add new headers as appropriate.
2344 * configure.in (alpha*): Enable Haifa by default.
2345 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2346 * configure: Rebuild.
2348 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2350 * Makefile.in (clean): Remove the stages with their objects here ...
2351 (distclean): ... instead of here.
2353 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * cse.c (rtx_cost): Add default case in enumeration switch.
2356 * fix-header.c (recognized_macro): Likewise.
2357 (recognized_extern): Likewise.
2358 (write_rbrac): Likewise.
2359 * objc/objc-act.c (encode_aggregate): Likewise.
2360 (gen_declarator): Likewise.
2361 (gen_declspecs): Likewise.
2363 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2365 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2366 case where we kill more regs after sched than were killed before
2368 * sched.c (create_reg_dead_note): Similarly.
2370 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2372 * c-pragma.c: Include flags.h.
2374 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2376 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2377 about system headers.
2378 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2379 and also to resolve symbols in prefix.c.
2381 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2382 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2383 when the definitions in auto-config.h is not visible.
2384 (HAVE_BZERO): Likewise.
2385 (HAVE_BCMP): Likewise.
2386 (HAVE_RINDEX): Likewise.
2387 (HAVE_INDEX): Likewise.
2389 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2391 * pa.c (emit_move_sequence): Handle a function label source
2394 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2396 * c-pragma.c (handle_pragma_token): Generate warning messages
2397 about unknown pragmas if warn_unknown_pragmas is set.
2399 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2400 line option to set variable: warn_unknown_pragmas.
2402 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2404 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2406 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2408 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2410 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2411 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2412 generate more fine grained floating point emulation libraries.
2413 * config/fp-bit.c: Add protecting #ifdef to all functions so
2414 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2415 then compile all suitable functions.
2416 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2417 underscores to avoid namespace pollution.
2418 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2420 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2424 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2425 Jeff Law <law@cygnus.com>
2427 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2429 * c-decl.c (finish_decl): Use parentheses around && within ||.
2430 * rtl.c: Include stdlib.h.
2431 (read_skip_spaces): Add parentheses around assignments used as
2433 (read_rtx): Initialize list_rtx.
2434 * cppexp.c (parse_number): Use || when operands are truth values.
2435 * alias.c (find_base_value): Add default case.
2436 (memrefs_conflict): Likewise.
2437 * combine.c (sets_function_arg_p): Likewise.
2438 * genemit.c (gen_exp): Likewise.
2439 * local-alloc.c (contains_replace_regs): Likewise.
2440 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2441 * fold-const.c (fold_convert): Use "&&" for truth values.
2442 (fold): Add default case.
2443 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2444 (sdbout_one_type): Add default case.
2445 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2446 (some_operand): Add default case.
2447 (input_operand): Likewise.
2448 (signed_comparison_operator): Likewise.
2449 (divmod_operator): Likewise.
2450 (alpha_set_memflags_1): Likewise.
2451 * reload1.c (reload_cse_simplify_operands): Ensure function
2452 always returns a value.
2453 * scan-decls.c (scan_decls): Likewise.
2454 * c-lex.c (skip_white_space): Fix typo in declaraion.
2455 * c-typeck.c (comp_target_types): Add parentheses around assignment
2456 used as truth value.
2457 (print_spelling): Likewise.
2458 (constructor_implicit, constructor_result): Remove unused variables.
2459 * collect2.c (scan_library): Protect prototype with
2460 #ifdef SCAN_LIBRARIES.
2461 * emit-rtl.c (find_line_note): Fix typo in declaration.
2462 * final.c (asm_insn_count): Protect prototype with
2463 #ifdef HAVE_ATTR_length.
2464 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2465 (try_pre_increment_1, try_pre_increment): Likewise.
2466 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2467 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2468 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2469 unsigned/signed comparisons.
2470 * gcov.c (read_files): Remove unused "first_type" variable.
2471 (scan _for_source_files): Initialize s_ptr.
2472 (function_summary): Eliminate "%lf" formatting, use %ld for
2474 (output_data): Initialize branch_probs and last_line_num.
2475 Eliminate "%lf" formatting, use "%ld" for longs.
2477 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2479 * mips16.S: New file.
2481 * libgcc2.c (varargs): Handle mips16.
2483 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2485 * stmt.c (expand_end_case): Likewise.
2486 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2487 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2488 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
2490 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2492 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2493 the build directory.
2494 (libobjc.a): Update dependency list.
2495 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2497 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2498 (objc.mostlyclean): Remove runtime-info.h.
2500 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2502 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2503 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2504 * dwarf2out.c (add_subscript_info): Likewise.
2505 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2506 * sdbout.c (plain_type_1): Likewise.
2507 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2509 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2512 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2514 * mips.c (fatal): Remove declaration.
2516 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2518 * integrate.c (get_label_from_map): New function.
2519 (expand_inline_function): Use it. Initialize the label_map to
2520 NULL_RTX instead of gen_label_rtx.
2521 (copy_rtx_and_substitute): Use get_label_from_map.
2522 * integrate.h (get_label_from_map): New function.
2523 (set_label_from_map): New macro.
2524 * unroll.c (unroll_loop): Use them.
2525 (copy_loop_body): Ditto.
2527 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2529 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2530 (INIT_TARGET_OPTABS): Define.
2531 * mips/ecoff.h: Include gofast.h before mips.h.
2532 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2533 * mips/elf64.h: Likewise.
2534 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2536 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2538 * except.c: Remove register_exception_table{,_p}.
2540 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2542 * unroll.c (calculate_giv_inc): Handle constant increment found in
2543 a MEM with an appropriate REG_EQUAL note.
2545 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2547 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2548 frame pointer in the prologue.
2550 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2552 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2553 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2555 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2557 * config/m68k/m68k.c (output_function_prologue): Typecast
2558 dwarf2out_cfi_label to (char *).
2559 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2561 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2563 * sparc.md (jump): Don't use the annul bit around an empty loop.
2564 Patch from Kevin.Kelly@East.Sun.COM.
2566 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2568 * jump.c: (jump_optimize): Don't use the return register as a
2569 source1 of a conditional move.
2571 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2573 * sparc.c (DF_MODES): Or the mask not the bit number.
2574 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2576 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2578 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2580 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2582 * fixincludes (size_t): Add support for Motorola's stdlib.h
2583 which fails to provide a definition for size_t.
2584 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2585 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2586 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2588 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2589 prevent unresolved externals in libio.
2590 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2592 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2594 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2595 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2596 (LIB_SPEC): Updated for glibc 2.
2598 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2600 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2601 * ginclude/varargs.h: Likewise.
2603 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2605 * version.c: Bump for snapshot.
2607 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2609 * frame.h (__register_frame, __register_frame_table,
2610 __deregister_frame): New.
2611 * frame.c (__register_frame, __register_frame_table,
2612 __deregister_frame): New.
2613 * frame.c (__deregister_frame_info): Return void *.
2614 * frame.h (__deregister_frame_info): Ditto.
2615 * collect2.c (__deregister_frame_info): Ditto.
2617 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2619 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2621 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2623 * alpha.c (alpha_cpu_name): New variable.
2624 (alpha_mlat_string): Likewise.
2625 (alpha_memory_latency): Likewise.
2626 (override_options): Handle -mmemory-latency.
2627 (alpha_adjust_cost): Adjust load cost for latency.
2628 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2629 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2630 TARGET_CIX into account.
2631 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2632 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2634 * alpha.h (ASM_COMMENT_START): New macro.
2636 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2638 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2639 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2641 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2642 SUBREG_REG if the word count is unchanged.
2643 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2644 subregs of identical word size for push_reload.
2646 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2648 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2649 if all we're doing is dealing with -Wreturn-type.
2651 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2653 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2654 Use and 255 instead of zapnot 1, since it schedules better.
2656 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2658 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2661 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2663 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2664 dependency we delete. Properly update prev for multiple consecutive
2666 (priority): Skip deleted dependence.
2668 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2670 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2672 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2674 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2675 determining when a new basic block starts.
2677 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2679 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2680 * pa.md (iorsi3): Add missing args to *_operand calls.
2682 * except.c (call_get_eh_context): Don't mess with sequences.
2683 (emit_eh_context): Include the call in the sequence here.
2685 1997-12-11 Paul Eggert <eggert@twinsun.com>
2687 * collect2.c (write_c_file_glob): Allocate initial frame object
2688 in static storage and pass its address.
2690 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2692 * except.c (call_get_eh_context): Don't take a parm.
2693 Put the call at the top of the function.
2694 (emit_eh_context): Adjust.
2695 (get_eh_context): Replace with former use_eh_context.
2696 (get_eh_context_once, get_saved_pc_ref): Remove.
2697 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
2699 * integrate.c (expand_inline_function): Adjust.
2700 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
2702 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
2704 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
2705 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
2707 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
2709 * fixincludes (strlen,strspn,strcspn return value): Handle different
2711 (hypot): Provide a fake for hypot which is broken on
2712 m88k-motorola-sysv3.
2714 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
2716 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
2717 tree_code_name from pointers to arrays.
2718 * tree.c: Remove standard_tree_code_* variables, no longer used.
2719 * print-tree.c: Remove declaration of tree_code_name.
2721 * cp/lex.c (init_lex): Update for tree_code_* changes.
2722 * objc/objc-act.c (init_objc): Likewise.
2724 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
2727 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
2729 * config.sub: Add support for BeOS target.
2730 * configure.in: Likewise.
2731 * ginclude/stdarg.h: Likewise.
2732 * ginclude/stddef.h: Likewise.
2733 * ginclude/varargs.h: Likewise.
2734 * rs6000/beos.h: New file for BeOS.
2735 * rs6000/t-beos: Likewise.
2736 * rs6000/x-beos: Likewise.
2737 * rs6000/xm-beos.h: Likewise.
2738 * toplev.c (get_run_time): Just return 0 on BeOS.
2740 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
2741 Toon Moene (toon@moene.indiv.nluug.nl)
2743 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
2744 old and broken Sun3 assemblers. Newer versions handle large
2745 offsets correctly as does the GNU assembler.
2747 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2749 * objc/objc-act.c (lang_report_error_function): Disable.
2750 * objc/objc-parse.y: Include "output.h".
2751 (yyerror): Remove redundant decl.
2752 (yyprint): Fix prototype.
2753 (apply_args_register_offset): Remove redundant decl.
2754 (get_file_function_name): Likewise.
2756 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2758 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
2760 (find_basic_blocks_1): Likewise.
2762 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2764 * except.c (use_eh_context): Don't copy_rtx a REG.
2765 (emit_throw): Lose old unwinder support.
2766 (expand_internal_throw): Likewise.
2767 * libgcc2.c (struct eh_context): Likewise.
2768 (new_eh_context): Likewise.
2769 (__get_eh_info): Lose redundant cast.
2770 (__get_dynamic_handler_chain): Likewise.
2771 (__get_saved_pc): Lose.
2772 Lose all old unwinder support code.
2774 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
2776 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
2778 * integrate.c (expand_inline_function): If the inline fn uses eh
2779 context, make sure that the current fn has one.
2780 * toplev.c (rest_of_compilation): Call emit_eh_context.
2781 * except.c (use_eh_context): New fn.
2782 (get_eh_context_once): New fn.
2783 (call_get_eh_context): New fn.
2784 (emit_eh_context): New fn.
2785 (get_eh_context): Call either get_eh_context_once or
2786 call_get_eh_context, depending on what we have.
2787 (get_dynamic_handler_chain): Call get_eh_context_once.
2788 * except.h: Prototypes for fns above.
2789 * optabs.c (get_eh_context_libfunc): Removed.
2790 (init_optabs): Don't initialize it.
2791 * expr.h (get_eh_context_libfunc): Removed.
2792 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
2793 * config/pa/pa.h (CPP_SPEC): Support for -threads.
2794 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
2795 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
2796 New multilib for -threads.
2797 * config/sparc/t-sol2: Added multilibs for -threads and
2798 made -pthreads alias to it.
2799 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
2800 Added -threads and -pthreads options.
2801 * libgcc-thr.h: New file.
2802 * libgcc2.c: (__get_cpp_eh_context): Removed.
2803 (struct cpp_eh_context): Removed.
2804 (struct eh_context): Replaced cpp_eh_context with generic language
2806 (__get_eh_info): New function.
2807 (__throw): Check eh_context::info.
2809 * libgcc2.c: Include libgcc-thr.h.
2810 (new_eh_context, __get_eh_context,
2811 eh_pthread_initialize, eh_context_initialize, eh_context_static,
2812 eh_context_specific, eh_context_free): New functions.
2813 (get_eh_context, eh_context_key): New variables.
2814 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
2815 get_eh_context to get the context.
2816 (longjmp): Move the declaration inside
2817 #ifdef DONT_USE_BUILTIN_SETJMP.
2818 * frame.c: Include libgcc-thr.h.
2819 (object_mutex): Mutex to protect the object list.
2820 (find_fde, __register_frame, __register_frame_table,
2821 __deregister_frame): Hold the lock while accessing objects.
2822 * except.h (get_eh_context): Declare.
2823 * except.c (current_function_ehc): Define.
2824 (current_function_dhc, current_function_dcc): Removed.
2825 (get_eh_context): New function.
2826 (get_dynamic_handler_chain): Use get_eh_context.
2827 (get_saved_pc_ref): Ditto.
2828 (get_dynamic_cleanup_chain): Removed references to
2829 current_function_dcc.
2830 (save_eh_status, restore_eh_status): Save and restore
2831 current_function_ehc instead.
2832 * optabs.c (get_eh_context_libfunc): New variable.
2833 (init_optabs): Initialize it.
2834 * expr.h: Declare get_eh_context_libfunc.
2835 * function.h (struct function): Replaced dhc and dcc with ehc.
2836 * except.c (get_saved_pc_ref): New functions.
2837 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
2838 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
2840 (end_eh_unwinder): Likewise.
2841 (init_eh): Remove initialization of eh_saved_pc.
2842 * optabs.c (get_saved_pc_libfunc): New variable.
2843 (init_optabs): Initialize it.
2844 * expr.h: Declare get_saved_pc_libfunc.
2845 * except.h (eh_saved_pc_rtx): Deleted.
2846 (get_saved_pc_ref): Declared.
2848 From Scott Snyder <snyder@d0sgif.fnal.gov>:
2849 * libgcc2.c (__get_saved_pc): New.
2850 (__eh_type, __eh_pc): Deleted.
2851 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
2852 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
2855 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
2857 * sparc/sol2.h: Use 64 bit multiply and divide functions in
2858 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
2861 * rtl.h (global_rtl): New variable, replacing separate variables for
2863 (const_int_rtx): Now array of rtx_def, not rtx.
2864 * emit-rtl.c: Update for new rtl data structures.
2865 * genattrtab.c: Define global_rtl.
2867 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
2869 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
2872 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
2874 * crtstuff.c (__do_global_ctors): Fix typo.
2876 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
2878 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2879 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2881 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
2883 * rs6000.h (FUNCTION_ARG_PADDING): Define.
2884 * rs6000.c (function_arg_padding): New function.
2886 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
2888 * m68k.c: Include tree.h only once.
2890 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2892 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2894 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2896 * Partially cleaned up prototyping code from HJ.
2897 * tree.h: Add many prototypes.
2898 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2899 All references changed.
2900 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2902 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2904 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2905 string functions like strlen.
2907 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2909 * configure.in: Check for functions getrlimit and setrlimit.
2910 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2911 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2913 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2915 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2917 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2919 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2922 * alpha.c (override_options): Don't know about scheduling for EV6.
2923 * alpha.md (ev5 function units): Don't overload as ev6.
2925 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2926 * alpha.md (define_attr type): Add mvi.
2927 (ev5_e0): Define sceduling parameters for it.
2928 (TARGET_MAX insns): Type is mvi not shift.
2930 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2932 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2934 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2936 * cstamp-h, auto-config.h: Delete.
2938 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2940 * version.c: Bump for snapshot.
2942 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2944 * cccp.c: Fix typo brought over in merge.
2946 * Merge in changes from gcc-2.8.
2948 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2950 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2952 * gcc.c (process_command): Do not take address of function fatal when
2953 calling lang_specific_driver.
2955 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2957 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2958 doesn't work with it yet, so set it to 0.
2959 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2961 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2963 * cse.c (cse_insn): Check for invalid entries when taking references.
2965 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2967 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2968 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2969 * toplev.c (rest_of_compilation): Pass it. Remove code to
2970 save / clear / restore flag_unroll_{,all_}loops.
2972 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2974 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2976 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2978 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2980 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2982 * except.c (get_dynamic_handler_chain): Only make the call once per
2985 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2987 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2989 * sh.c (final_prescan_insn): Use local label prefix
2990 when emitting .uses pseudo-ops.
2992 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2994 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2995 * except.c: Lose outer_context_label_stack.
2996 (expand_eh_region_end): Rethrow from outer_context here.
2997 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2998 (expand_internal_throw): Take no args.
2999 (expand_internal_throw_indirect): Lose.
3000 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3001 (expand_start_all_catch): Start a rethrow region.
3002 (expand_end_all_catch): End it.
3003 (expand_rethrow): New fn.
3004 * except.h: Reflect above changes.
3005 * flow.c: Revert change of Nov 27.
3007 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3009 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3011 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3013 * except.c (expand_fixup_region_end): New fn.
3014 (expand_fixup_region_start): Likewise.
3015 (expand_eh_region_start_tree): Store cleanup into finalization here.
3016 * stmt.c (expand_cleanups): Use them to protect fixups.
3018 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3020 * mips/mips.md (muldi3_r4000): Broaden the output template
3021 and attribute assignments to handle three operand dmult;
3022 rename to muldi3_internal2.
3023 (muldi3): Call the new muldi3_internal2 for R4000, and
3024 any GENERATE_MULT3 chip.
3026 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3028 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3030 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3032 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3033 with a dest_reg that was created by loop.
3035 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3037 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3039 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3041 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3043 * configure.in: Fix NCR entries.
3045 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3047 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3048 nested exceptions correctly.
3050 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3051 that was created by loop.
3053 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3055 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3057 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3059 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3061 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3062 (print_operand): Use SMALL_DATA_REG for the register involved in
3063 small data relocations.
3064 (print_operand_address): Ditto.
3066 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3067 -dynamic linker is not used.
3069 * rs6000.md (call insns): For local calls, use @local suffix under
3070 System V. Don't use @plt under Solaris.
3072 * rs6000.c (output_function_profiler): Put label address in r0, and
3073 store LR in 4(sp) for System V/eabi.
3075 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3076 byte boundary, and maintain stack backchain.
3078 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3080 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3081 fix_truncsfdi2): Change *.
3083 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3085 * toplev.c (main): Complain about -gdwarfn.
3087 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3089 * dwarfout.c (output_type): If finalizing, write out nested types
3090 of types we've already written.
3092 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3094 (patches originally from Geoffrey Keating)
3095 * rs6000.c (function_arg): Excess floating point arguments don't
3096 go into GPR registers after exhausting FP registers under the
3098 (function_arg_partial_nregs): Ditto.
3100 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3103 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3105 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3107 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3109 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3112 * libgcc2.c (__throw): Initialize HANDLER.
3114 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3116 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3117 fix_truncsfdi2): Change *X to ?*X.
3119 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3121 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3123 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3125 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3127 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3129 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3131 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3133 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3134 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3137 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3139 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3140 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3141 gas and not using the new HP assembler.
3143 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3145 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3146 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3148 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3150 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3151 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3154 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3156 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3158 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3160 * except.h: Add outer_context_label_stack.
3161 * except.c: Likewise.
3162 (expand_start_all_catch): Push the outer_context for the try block
3163 onto outer_context_label_stack.
3164 (expand_end_all_catch): Use it and pop it.
3166 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3168 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3170 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3172 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3174 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3176 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3177 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3179 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3181 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
3182 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
3183 __builtin_delete, and __builtin_vec_delete.
3185 * except.c (output_exception_table): Don't bother with
3188 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
3190 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
3191 is an in/out operand.
3192 (zero extended variants of stwm/stwm patterns): Similarly.
3194 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
3196 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3198 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3200 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3201 (output_call_frame_info): Emit a \n after using it.
3203 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3205 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3207 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3209 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3210 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3211 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3213 (output_call_frame_info): Do not output forward label differences
3214 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3215 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3217 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3219 * sh.md (attribute "type"): Add nil.
3220 (movsi_ie): y/y alternative is type nil.
3221 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3223 (movsf_ie+1): Delete.
3225 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3227 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3228 large_int, emit two insns instead of one splitable insn.
3229 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3230 from cfa_temp_value, use cfa_offset. Add assert checking that
3233 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3235 * cccp.c (deps_output): Properly quote file names for make.
3237 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3239 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3241 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3243 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3245 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3247 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3249 (cse_end_of_basic_block): Similarly.
3251 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3253 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3254 (SELECT_RTX_SECTION): Define.
3255 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3257 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3259 * Makefile.in (compare, compare-lean): Define $stage for each
3261 (gnucompare, gnucompare-lean): Likewise.
3263 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3265 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3267 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3268 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3270 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3272 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3273 and add case to handle STRING_TYPE.
3274 * dwarfout.c (output_string_type_die): Fix code to generate
3275 correct string length attribute for fixed length strings.
3276 Still needs support for varying length strings.
3278 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3280 * toplev.c (get_run_time): Do something sensible for cygwin32.
3282 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3284 * expr.c (expand_builtin_setjmp): Set
3285 current_function_has_nonlocal_label.
3286 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3287 call-saved registers across calls.
3289 * alpha.md (exception_receiver): Remove.
3290 (nonlocal_goto_receiver_osf): New
3291 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3292 (nonlocal_goto_receiver): New, select _osf or _vms.
3294 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3295 keep them from being propogated to the object file.
3296 (alpha_write_linkage): Likewise.
3297 * alpha.md (call_vms): Likewise.
3298 (call_value_vms): Likewise.
3299 (unnamed osf call insns): Likewise.
3301 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3302 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3304 * alpha.c (call_operand): Any reg is valid for WinNT.
3305 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3306 (anon nt calls): Add 'R' alternative.
3307 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3308 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3310 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3312 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3314 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3315 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3316 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3318 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3320 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3321 spill error message.
3323 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3325 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3326 use varargs.h. Wrap header with <>, not "".
3328 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3330 * integrate.c (save_for_inline_copying): Add return value from
3333 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3335 * fixincludes: Be a little more restrictive on what we will
3336 substitute to replace definitions of MAXINT for HPUX.
3338 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3340 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3341 whose address is the stack or argument pointers are indirect
3344 1997-11-13 Paul Eggert <eggert@twinsun.com>
3346 * cccp.c, cpplib.c (compare_defs):
3347 Don't complain about arg name respellings unless pedantic.
3348 * cpplib.c (compare_defs): Accept pfile as new arg.
3349 All callers changed.
3351 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3353 * fold-const.c (fold_truthop): Fix bug in last change.
3355 1997-11-13 Paul Eggert <eggert@twinsun.com>
3357 Fix some confusion with IEEE minus zero.
3359 * real.h (REAL_VALUES_IDENTICAL): New macro.
3361 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3362 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3364 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3365 same tree structure as 0.0.
3367 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3368 macro instead of doing it by hand.
3370 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3372 * v850/lib1funcs.asm: Minor whitespace changes.
3373 * v850.c: Fix minor formatting problems in many places.
3374 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3376 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3378 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3379 xplus1 when xplus0 is not a register.
3381 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3383 * flow.c (find_basic_blocks): During marking phase, if we encounter
3384 an insn with a REG_LABEL note, make the target block live and
3385 create an edge from the insn to the target block. Do not make
3386 edges from all blocks to the target block.
3388 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3390 * confiugre.in: Tweak NCR entries.
3391 * configure: Rebuilt.
3393 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3395 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3396 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3397 and CONST_DOUBLE_HIGH.
3399 * rs6000.md (define_splits for DF constants): Use the appropriate
3400 REAL_VALUE_* interface to pick apart DF floating point constants in
3401 a machine independent fashion.
3403 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3405 * fold-const.c (fold_truthop): When changing a one-bit comparison
3406 against zero into a comparison against mask, do a proper sign
3409 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3411 * except.c: Do not include "assert.h".
3412 (save_eh_status): Turn asserts into conditional aborts.
3413 (restore_eh_status, scan_region): Likewise.
3414 * dwarfout.c: Do not include "assert.h".
3415 (bit_offset_attribute): Turn asserts into conditional aborts.
3416 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3417 (output_inlined_structure_type_die): Likewise.
3418 (output_inlined_union_type_die): Likewise
3419 (output_tagged_type_instantiation): Likewise.
3420 (dwarfout_file_scope_decl): Likewise.
3421 * dwarf2out.c: Do not include "assert.h"
3422 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3423 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3424 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3425 (add_bit_size_attribute, scope_die_for): Likewise.
3426 (output_pending_types_for_scope): Likewise.
3427 (get_inlined_enumeration_type_die): Likewise.
3428 (get_inlined_structure_type_die): Likewise.
3429 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3430 (gen_tagged_type_instantiation_die): Likewise.
3432 * flow.c (find_basic_blocks): Refine further to get a more correct
3433 cfg, especially in the presense of exception handling, computed
3434 gotos, and other non-trivial cases. Call abort if an inaccuracy
3435 is detected in the cfg.
3437 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3439 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3441 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3442 (skip_white_space): Use whitespace_cr.
3443 (check_newline): Handle whitespace more consistently.
3445 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3447 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3448 * i386/xm-cygwin32.h (POSIX): Define.
3450 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3452 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3453 is available elsewhere.
3455 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3457 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3458 what the instruction can handle.
3460 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3462 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3464 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3466 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3468 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3469 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3471 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3473 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3474 swap instruction order.
3476 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3478 * fixinc.svr4 (__STDC__): Add another case.
3480 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3482 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3483 addresses in the epilogue delay slot.
3485 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3487 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3488 in generated `specs' file.
3490 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3492 * flags.h (flag_rerun_loop_opt): Declare.
3493 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3494 * toplev.c (flag_rerum_loop_opt): Delete static.
3496 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3498 Bring over from FSF:
3500 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3502 * va-sh.h (__va_arg_sh1): Define.
3504 SH3E doesn't use any integer registers for subsequent arguments
3505 once a non-float value was passed in the stack.
3506 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3507 alignment in front label for ADDR_DIFF_VEC.
3508 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3509 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3511 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3513 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3516 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3518 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3519 put an use_sfunc_addr before each sfunc.
3520 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3521 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3523 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3525 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3527 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3529 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3532 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3534 * alias.c (find_base_value): Only return the known base value for
3537 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3539 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3540 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3542 (prologue_get_pc_and_set_got): New pattern.
3544 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3546 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3547 for SUBREG, just fall through.
3549 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3551 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3553 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3555 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3557 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3558 (USE_HOST_ALLOCA): Likewise.
3560 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3561 and LABEL_REFS fields.
3562 * rtl.h (LABEL_REFS): Update.
3564 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3566 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3567 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3568 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3571 * mips.md (insv, extzv, extv): Add change_address call.
3572 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3574 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3576 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3578 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3579 save_restore_insns if no FP and GP will be restored.
3581 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3582 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3584 * acconfig.h (HAVE_INTTYPES_H): Undef.
3585 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3586 and inttypes.h, and verify that intmax_t is defined.
3587 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3588 * config/mips/x-iris3: Likewise.
3590 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3592 * alias.c (find_base_value): When copying arguments, return the
3593 tenative value for a hard register.
3595 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3597 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3598 (yylex): Record wide strings using target endianness, not host.
3600 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3602 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3603 (ASM_OUTPUT_ALIGNED_BSS): New macro
3604 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3605 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3606 * v850.h (ASM_OUTPUT_BSS): Delete.
3607 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3609 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3611 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3613 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3615 * configure.in (sco5): Use cpio to install header files.
3617 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3619 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3621 * configure: Rebuild.
3623 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3625 * i386/sco5.h: enable -gstabs once again.
3627 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3629 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3631 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3633 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3634 notes for sjlj exceptions too.
3635 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3636 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3637 * final.c (final_scan_insn): Don't output labels for EH REGION
3638 notes if doing sjlj exceptions.
3640 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3642 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3643 optimizing correctly.
3645 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3646 or set current_function_calls_setjmp anymore.
3648 * flow.c (find_basic_blocks): If we delete the label for an
3649 exception handler, remove it from the EH label list and remove
3650 the EH_BEGIN/EH_END notes for that EH region.
3652 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3654 * flow.c (find_basic_blocks): Generate correct flow control
3655 information when exception handling notes are present.
3657 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3659 * dwarf2out.c (output_call_frame_info): Fix length argument
3660 to ASM_OUTPUT_ASCII.
3661 (output_die, output_pubnames, output_line_info): Likewise.
3663 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3665 * version.c: Bump for snapshot.
3667 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3668 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3669 flag_debug_asm is on.
3670 (output_die, output_pubnames, output_line_info): Likewise.
3672 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3673 and static_chain_rtx into the potential base values array if
3676 * alias.c (new_reg_base_value): New array of potential base values.
3677 (unique_id): Now file scoped static.
3678 (find_base_value, case REG): Return the value in reg_base_value
3679 array for the REG if it exists. Else, return the value from
3680 new_reg_base_value if copying args and REG is a hard register.
3681 (find_base_value, case PLUS): If either operand of the PLUS is
3682 a REG, try to get its base value. Handle base + index and
3684 (record_set): Use new_reg_base_value instead of reg_base_value.
3685 (init_alias_analysis): Allocate space for new_reg_base_value too.
3686 Rework code to iterate over the insns propagating base value
3687 information until nothing changes.
3689 * global.c (global_alloc): Free the conflict matrix after
3690 reload has finished.
3692 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3694 * libgcc2.c (L_eh): Define __eh_pc.
3695 Replace __eh_type with generic pointer __eh_info.
3697 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
3699 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
3700 use copy_to_reg if address is not a general_operand.
3702 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3704 * profile.c (output_func_start_profiler): Clear flag_inline_functions
3705 for the duration of the call to rest_of_compilation.
3707 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
3709 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
3711 (sparc*-*-*): Recognize --with-cpu=v9.
3712 * sparc/elf.h: New file.
3713 * sparc/t-elf: New file.
3715 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3717 * mn10300.c (const_8bit_operand): New function.
3718 (mask_ok_for_mem_btst): New funtion.
3719 * mn10300.md (btst patterns with mem operands): Use new functions
3720 to avoid creating btst instructions with invalid operands.
3722 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
3724 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
3725 are running on PowerPC Linux.
3727 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
3729 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
3730 if not previously defined.
3732 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
3734 * function.c (assign_parms): Correct mode of stack_parm if
3735 entry_parm underwent a mode conversion.
3737 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
3739 * global.c (global_alloc): Use xmalloc instead of alloca for
3740 CONFLICTS, since max_allocno * allocno_row_words alone can be more
3741 than 2.5Mb sometimes.
3743 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3745 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
3746 DEST for the spill, adjust mode of SRC to compensate.
3748 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
3750 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
3751 since any_memory_operand() allows pseudos during reload.
3752 (reload_inhi, reload_outqi, reload_outhi): Likewise.
3754 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
3756 * m68k.md (btst patterns): Add 5200 support.
3758 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3760 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
3761 optimizations, look inside dividend to determine if the expression
3762 can be simplified by using EXACT_DIV_EXPR.
3764 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3767 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
3769 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3771 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
3773 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
3775 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
3778 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
3780 * alpha.md (movqi, movhi): Make sure new insns created during reload
3781 won't need reloading themselves.
3782 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
3784 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
3786 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
3788 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
3790 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
3791 Patch from Klaus Kaempf <kkaempf@progis.de>.
3793 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
3795 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
3796 to an element in a constant string.
3798 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
3800 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
3801 bit PC-relative offset. The exception range table pointer is now in
3803 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
3804 (count_fdes, add_fdes, get_cie): Adjust.
3805 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
3808 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
3810 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
3812 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
3813 like stack_pointer_rtx.
3815 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
3817 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
3818 targets using "$@" to provide support for similar but not identical
3819 targets without having to duplicate code.
3820 (bootstrap4): New goal.
3822 * Makefile.in (compare, compare-lean, compare3): Combined to one
3823 ruleset determining actions to be performed via $@.
3824 (compare4, compare4-lean): New targets.
3825 (gnucompare, gnucompare3): Combined to one ruleset determining
3826 actions to be performed via $@. Also, note which files failed
3827 the comparison test in .bad_compare.
3828 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
3830 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3832 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
3833 if the dividend is a multiple of the divisor.
3835 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
3837 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
3839 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
3842 * alias.c (true_dependence): Fix typo.
3844 * toplev.c (flag_rerun_loop_opt): New variable.
3845 (f_options): Handle -frerun-loop-opt.
3846 (rest_of_compilation): If -frerun-loop-opt, then run the loop
3848 (main): Enable -frerun-loop-opt by default for -O2 or greater.
3850 * loop.c (simplify_giv_expr): Adding two invariants results
3853 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
3855 * expr.c (get_inner_reference): Remove the array bias after
3856 converting the index to Pmode.
3858 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
3860 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
3861 (TARGET_MULT_BUG): Define.
3862 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
3863 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
3865 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
3867 * mn10200.c (indirect_memory_operand): Delete unused function.
3868 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
3869 * mn10200.md (bset, bclr insns): Handle output in a reg too.
3871 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
3873 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
3874 the callee's ldgp, we must do it ourselves, and we use the jsr tag
3875 for more than scheduling.
3877 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
3879 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
3881 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
3883 * mn10300.c (symbolic_operand, legitimize_address): New functions.
3884 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
3885 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
3887 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3889 * version.c: Bump for snapshot.
3891 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3893 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3896 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3898 * toplev.c (flag_exceptions): Default value is 2.
3899 (compile_file): If flag_exceptions still has the value 2, then
3902 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3903 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3904 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3906 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3909 * rs6000.md (*movsi_got_internal_mem): New pattern.
3910 (*movsi_got_internal_mem splitter): New define_split.
3912 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3914 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3916 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3918 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3919 only need to save LR.
3921 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3923 * mn10300.md (movqi, movhi): Avoid using address registers as
3924 destinations unless absolutely necessary.
3926 * mn10200.c (expand_prologue): Fix typo.
3928 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3930 * mn10200.md (neghi2): Provide an alternative which works if
3931 the input and output register are the same.
3933 * mn10300.c (print_operand): Handle 'S'.
3934 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3935 shift amount in last alternative
3937 * mn10300.c (expand_epilogue): Rework to handle register restores
3938 in "ret" and "retf" instructions correctly.
3940 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3942 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3943 extzv for memory operands.
3945 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3946 redundant conditional moves to single operand.
3948 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3950 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3953 * xm-v850.h: Use __v850 rather than __v850__ to
3956 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3958 * mips/mips.c (compute_frame_size): Not a leaf function if
3961 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3963 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3965 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3967 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3968 (DEFAULT_ARCH32_P): New macro.
3969 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3970 (enum cmodel): Declare.
3971 (sparc_cmodel_string,sparc_cmodel): Declare.
3972 (SPARC_DEFAULT_CMODEL): Provide default.
3973 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3974 (TARGET_FULLANY): Deleted.
3975 (TARGET_CM_MEDMID): New macro.
3976 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3977 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3978 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3979 (CPP_SPEC): Rewrite.
3980 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3981 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3982 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3983 (ASM_SPEC): Add %(asm_arch).
3984 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3985 Rename asm_default to asm_cpu_default.
3986 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3987 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3988 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3989 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3990 (MASK_INT64,MASK_LONG64): Delete.
3991 (MASK_ARCH64): Renamed to MASK_64BIT.
3992 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3993 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3994 (TARGET_SWITCHES): Always provide 64 bit options.
3995 (ARCH64_SWITCHES): Delete.
3996 (TARGET_OPTIONS): New option -mcmodel=.
3997 (INT_TYPE_SIZE): Always 32.
3998 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3999 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4000 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4001 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4002 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4004 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4005 * sparc/linux.h: Likewise.
4006 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4007 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4008 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4009 (SPARC_DEFAULT_CMODEL): Define.
4010 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4011 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4012 (LONG_DOUBLE_TYPE_SIZE): Define.
4013 (ASM_SPEC): Add %(asm_arch).
4014 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4015 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4016 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4017 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4018 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4019 (SPARC_DEFAULT_CMODEL): Define.
4020 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4021 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4022 MASK_LONG64, MASK_MEDANY.
4023 (SPARC_DEFAULT_CMODEL): Define.
4024 (CPP_PREDEFINES): Delete.
4025 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4026 (ASM_SPEC): Add %(asm_arch).
4027 (LONG_DOUBLE_TYPE_SIZE): Define.
4028 (DWARF2_DEBUGGING_INFO): Define.
4029 * sparc/splet.h (CPP_SPEC): Delete.
4030 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4031 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4032 (BLOCK_PROFILER): Likewise.
4033 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4034 (sparc_override_options): Handle code model selection.
4035 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4036 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4037 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4038 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4039 (sethi_di_fullany): Delete.
4041 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4042 Jeff Law <law@cygnus.com>
4043 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4045 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4046 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4047 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4048 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4049 * alpha/alpha.md (arg_home): Likewise.
4051 * alpha/alpha.c (vmskrunch): Delete
4052 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4053 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4054 truncate to 64 characters.
4056 * make-l2.com: Support openVMS/Alpha.
4058 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4060 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4062 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4064 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4066 * i386/bsd386.h (ASM_COMMENT_START): Define.
4068 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4070 * tree.c (restore_tree_status): Also free up temporary storage
4071 when we finish a toplevel function.
4072 (dump_tree_statistics): Print stats for backend obstacks.
4074 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4076 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4078 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4080 * libgcc2.c (__throw): Don't copy the return address.
4081 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4083 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4084 * toplev.c (main): Initialize exceptions_via_longjmp.
4086 * tree.c: Add extra_inline_obstacks.
4087 (save_tree_status): Use it.
4088 (restore_tree_status): If this is a toplevel inline obstack and we
4089 didn't want to save anything on it, recycle it.
4090 (print_inline_obstack_statistics): New fn.
4091 * function.c (pop_function_context_from): Pass context to
4092 restore_tree_status.
4093 * obstack.h (obstack_empty_p): New macro.
4095 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4097 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4099 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4101 * v850.c (ep_memory_offset): New function.
4102 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4104 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4105 (CONSTANT_ADDRESS_P): Add comment.
4106 (EXTRA_CONSTRAINT): Define 'U'.
4107 * v850.md: Add comments on bit field instructions.
4108 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4109 (lshrsi3): Use N not J constraint.
4111 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4113 * v850.c (reg_or_0_operand): Call register_operand.
4114 (reg_or_int5_operand): Likewise.
4115 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4116 (TARGET_SWITCHES): Add "big-switch".
4117 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4118 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4119 (CASE_DROPS_THROUGH): Comment out.
4120 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4121 * v850.md (cmpsi): Delete compare mode.
4122 (casesi): New pattern.
4124 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4125 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4126 (lshrsi3): Likewise.
4128 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4129 unreachable switch statement after 'b' support. Remove "b" from
4130 strings for 'b' support.
4131 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4133 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4135 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4136 empty line if @inhibit_libc@ is empty.
4138 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4140 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4141 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4142 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4143 (DWARF2_UNWIND_INFO): Let this track object file format.
4144 (EXTRA_SECTIONS): Add in_eh.
4145 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4146 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4148 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4150 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4151 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4153 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4154 (output_double_int): Output DI mode values correctly when
4155 HOST_BITS_PER_WIDE_INT is 64.
4156 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4157 fmovd so it works if a quad float ends up in one of the upper 32
4159 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4160 necessary for PIC support on sparc64.
4162 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4164 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4165 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4166 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4167 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4168 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4169 (SPARC_FP_ARG_FIRST): New macro.
4170 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4171 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4172 (NPARM_REGS): There are 32 fp argument registers now.
4173 (FUNCTION_ARG_REGNO_P): Likewise.
4174 (FIRST_PARM_OFFSET): Update to new v9 abi.
4175 (REG_PARM_STACK_SPACE): Define for arch64.
4176 (enum sparc_arg_class): Delete.
4177 (sparc_arg_count,sparc_n_named_args): Delete.
4178 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4179 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4180 (FUNCTION_ARG_ADVANCE): Rewrite.
4181 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
4182 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
4183 (FUNCTION_ARG_CALLEE_COPIES): Delete.
4184 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
4185 (STRICT_ARGUMENT_NAMING): Define.
4186 (doublemove_string): Declare.
4187 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
4188 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
4189 (doublemove_string): New function.
4190 (output_move_quad): Clean up some of the arch64 support.
4191 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
4192 Don't add 8 bytes of reserved space if arch64.
4193 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
4194 (init_cumulative_args): New function.
4195 (function_arg_slotno): New static function.
4196 (function_arg,function_arg_partial_nregs): New functions.
4197 (function_arg_{pass_by_reference,advance}): New functions.
4198 (function_arg_padding): New function.
4199 * ginclude/va-sparc.h: Rewrite v9 support.
4201 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4203 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4204 for hard regs to determine base and index registers.
4206 * reload.c (debug_reload_to_stream): New function. Specify stream
4207 into which to write debug info.
4208 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4210 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4212 * combine.c (can_combine_p): Don't combine with an asm whose
4213 output is a hard register.
4215 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4217 * c-decl.c (start_struct): Ensure that structs with forward
4218 declarations are in fact packed when -fpack-struct is given.
4220 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4221 we are packing a structure. This allows a structure with only
4222 bytes to be aligned on a byte boundary and have no padding on a
4225 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4227 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4229 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4231 * alpha.c (alpha_return_addr_rtx): New variable.
4232 (alpha_save_machine_status): New; save it.
4233 (alpha_restore_machine_status): New; restore it.
4234 (alpha_init_expanders): New; clear it.
4235 (alpha_return_addr): New; set it.
4236 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4237 is overly conservative, so search the insns explicitly.
4238 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4239 (alpha_sa_size [VMS && !VMS]): Likewise.
4240 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4241 (INIT_EXPANDERS): New definition.
4243 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4244 (output_prolog [!VMS]): Use them.
4246 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4247 (alpha_does_function_need_gp): ... a new function. Refine the
4248 CALL_INSN test to just TYPE_JSR.
4249 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4251 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4253 * version.c: Bump for snapshot.
4255 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4257 * pa.c (move_operand): Respect -mdisable-indexing.
4258 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4260 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4262 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4264 (umulsidi3,umulsi3_highpart): Ditto.
4265 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4267 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4269 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4270 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4271 function in one go. Emit RTL for trapb, instead of printf directly.
4272 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4273 (trap_pending): Kill global variable.
4274 (output_epilog): Don't call final_prescan_insn.
4275 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4276 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4277 (MACHINE_DEPENENT_REORG): Define.
4278 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4281 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4283 Tune Haifa scheduler for Alpha:
4284 * alpha.h (ISSUE_RATE): Define.
4285 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4286 EV4 adjustments to EV5.
4287 * alpha.md: Remove all scaling from function unit delays. Rework
4288 EV5 function units to match the CPU.
4289 (umuldi3_highpart): EV5 added the IMULH insn class.
4291 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4293 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4296 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4298 * cplus-dem.c (demangle_signature): Don't look for return types on
4299 constructors. Handle member template constructors.
4301 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4303 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4304 * tree.h: Declare them.
4306 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4308 * configure.in: Handle --with-newlib.
4309 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4311 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4313 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4315 * config/ptx4.h: Fix typo.
4317 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4319 * version.c: Bump for snapshot.
4321 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4323 * aclocal.m4: Substitute INSTALL.
4324 * configure: Re-built.
4326 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4328 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4330 (expand_inline_function): Likewise.
4332 * dwarf2out.c (output_call_frame_info): Reinstate last change
4333 using flag_debug_asm check instead of flag_verbose_asm.
4335 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4337 * dwarf2out.c (output_call_frame_info): Remove last change.
4339 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4341 * frame.c (__frame_state_for): Execute the FDE insns until the
4342 current pc value is strictly bigger than the target pc value.
4344 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4346 * regclass.c (init_reg_modes): If we can't find a mode for the
4347 register, use the previous one.
4349 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4351 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4352 don't sprintf through an alloca'ed buffer.
4354 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4356 * reload.c (decompose): Always initialize val.base.
4358 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4360 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4361 instead of aborting.
4362 * dwarf2out.c (output_call_frame_info): Call app_enable and
4363 app_disable to let GNU as accept the generated comments.
4365 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4367 * tree.h (get_file_function_name): Add declaration.
4368 * dwarf2out.c (output_call_frame_info): No need to cast
4369 get_file_function_name call anymore.
4370 * profile.c (toplevel): Remove get_file_function_name
4372 * c-lang.c (finish_file): Ditto.
4374 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4376 * Makefile.in (program_transform_name): Let autoconf substitute
4379 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4381 * haifa-sched.c (schedule_block): If the first real insn in a
4382 block has any special notes attached to it, remove them.
4384 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4386 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4388 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4390 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4392 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4394 * Makefile.in (check-g77): New test target.
4395 (CHECK-TARGETS): Add check-g77.
4397 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4399 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4401 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4403 * flow.c (print_rtl_with_bb): Cast alloca return value for
4406 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4408 * i386.h (RETURN_ADDR_RTX): New definition that works for
4409 __builtin_return_address(0) and -fomit-frame-pointer.
4411 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4413 Bring over from FSF.
4414 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4416 * mips.c (function_arg): Handle passing a struct
4417 containing a double in a DFmode register without the PARALLEL.
4419 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4421 * pexecute.c: Use spawn if __CYGWIN32__.
4423 * pexecute.c: Include "config.h" first, as per autoconf manual
4424 (from Paul Eggert <eggert@twinsun.com>).
4426 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4428 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4429 optimisation for f/expr.o and f/stb.o.
4431 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4433 * cse.c (this_insn_cc0_mode): Initialize.
4435 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4437 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4439 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4441 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4443 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4444 that pair will dual-issue on the 21164 and plus+beq won't.
4445 (bne): Likewise for cmpeq+beq.
4447 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4449 * except.c (find_exception_handler_labels): Correct argument to free.
4451 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4453 * except.c (find_exception_handler_labels): Free LABELS when we're
4456 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4458 * version.c: Bump for snapshot.
4460 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4462 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4465 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4467 * configure.in: Substitute for "install" too.
4468 * configure: Rebuilt.
4470 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4472 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4474 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4476 * alias.c (base_alias_check): Two symbols can conflict if they
4477 are accessed via AND.
4478 (memrefs_conflict_p): Likewise.
4480 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4481 after flushing argument registers to the stack.
4483 * Makefile.in (mostlyclean): Remove .regmove files.
4485 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4487 * libgcc2.c (__throw): Fix thinko.
4489 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4491 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4492 template-function mangling.
4493 (consume_count_with_underscores): New function.
4494 (demangle_signature): Handle new name-mangling scheme.
4496 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4498 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4501 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4503 * frame.c: Remove last change.
4504 * dwarf2.h: Remove last change.
4505 * tree.h: Add declarations of DWARF2 unwind info support
4508 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4510 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4511 * tree.h (built_in_function): Likewise.
4512 * expr.c (expand_builtin): Likewise.
4513 * except.h: Likewise.
4514 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4515 * libgcc2.c (copy_reg): New fn.
4518 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4520 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4521 unsigned if -W is specified and -Wno-sign-compare is not.
4522 * c-decl.c (warn_sign_compare): Initialize to -1.
4523 (c_decode_option): -Wall no longer implies -Wsign-compare.
4525 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4527 * frame.c: Include gansidecl.h for PROTO.
4528 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4529 defined. Don't declare dwarf2out_cfi_label here.
4530 * dwarf2.h: Add declarations of DWARF2 unwind info support
4532 * m68k.c: Include dwarf2.h.
4533 (output_function_prologue): Add dwarf2 support.
4534 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4535 (INCOMING_FRAME_SP_OFFSET): Likewise.
4537 * integrate.c (expand_inline_function): Make sure there is at
4538 least one insn that can be used as an insertion point.
4540 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4542 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4544 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4546 * version.c: Bump for snapshot.
4548 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4550 Bring over from FSF.
4552 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4554 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4555 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4556 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4558 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4560 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4561 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4563 (sparc_align_{loops,jumps,funcs}_string): Declare.
4564 (sparc_align_{loops,jumps,funcs}): Declare.
4565 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4566 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4567 (STACK_BIAS): Define.
4568 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4570 (SPARC_SETHI_P): New macro.
4571 (CONST_OK_FOR_LETTER_P): Use it.
4572 (ASM_OUTPUT_ALIGN_CODE): Define.
4573 (ASM_OUTPUT_LOOP_ALIGN): Define.
4574 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4575 (sparc_align_{loops,jumps,funcs}): New globals.
4576 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4578 (move_operand): Use SPARC_SETHI_P.
4579 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4581 (arith11_double_operand): Likewise.
4582 (arith10_double_operand): Likewise.
4583 (finalize_pic): Finish sparc64 support.
4584 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4585 64 bit constants if able.
4586 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4587 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4589 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4590 (get_pc_sp32): Use for sparc64 as well.
4591 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4592 (sethi_di_sp64_const): Likewise.
4593 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4594 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4595 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4597 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4599 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4600 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4601 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4603 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4605 Add sparc64 linux support.
4606 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4607 to xm_file list on 32-bit sparc-linux.
4608 * sparc/xm-sp64.h: New file.
4609 * sparc/linux64.h: New file.
4610 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4611 Don't include xm-sparc.h.
4612 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4613 * glimits.h (LONG_MAX): Handle sparc64.
4615 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4617 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4618 * sparc.h (ASM_COMMENT_START): Define.
4619 * sparc.c (output_function_prologue): Use it.
4620 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4622 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4624 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4625 use sparc.h's copies.
4626 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4629 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4631 * sparc.c (dwarf2out_cfi_label): Add declaration.
4632 (save_regs, output_function_prologue): Remove cast for it.
4633 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4634 ({save,restore}_regs): No longer inline.
4636 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4638 * fold-const.c (make_range): Correctly handle cases of converting
4639 from unsigned to signed type.
4641 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4643 * fold-const.c (merge_ranges): Make sure that if one range is subset
4644 of another, it will always be the second range. Correct (+,-) case to
4647 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4649 * final.c (final_end_function): Also do dwarf2 thing if
4650 DWARF2_DEBUGGING_INFO.
4651 (final_start_function): Likewise.
4653 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4655 * expmed.c (expand_divmod): If compute_mode is not the same as
4656 mode, handle the case where convert_modes() causes op1 to no
4657 longer be a CONST_INT.
4659 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4660 note holding get_jump_flags() calculation to all JUMP_INSNs.
4661 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4662 * rtl.c (reg_note_name): Add new note types.
4664 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4666 * rtlanal.c (computed_jump_p): Fix typo in last change.
4668 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4670 * loop.c (indirect_jump_in_function_p): Return 0
4673 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4675 * rs6000/xm-rs6000.h: Fix thinko in last change.
4676 * rs6000/xm-sysv4.h: Likewise.
4678 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4680 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4682 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4684 * reg-stack.c (find_blocks): Fix thinko in last change.
4686 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4688 * m68k.c (output_function_prologue): Add dwarf2 support.
4690 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4691 INCOMING_FRAME_SP_OFFSET): New definitions.
4693 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4695 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4696 appropriate in calls to gen_rtx().
4697 * cse.c (cse_main): Likewise.
4698 * emit-rtl.c (gen_label_rtx): Likewise.
4699 * expr.c (init_expr_once): Likewise.
4700 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
4701 sched_analyze, init_rgn_data_dependences,
4702 compute_block_backward_dependences): Likewise.
4703 * sched.c (schedule_insns): Likewise.
4704 * varasm.c (immed_double_const): Likewise.
4706 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
4707 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
4709 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
4711 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
4712 (MULTILIB_DEFAULTS): Define.
4713 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
4714 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
4715 (LIBGCC_SPEC): Likewise.
4716 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
4717 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
4718 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
4719 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
4720 (EXTRA_PARTS, TAROUTOPTS): Delete.
4721 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
4722 (MULTILIB_OPTIONS): Define.
4723 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
4724 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
4726 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
4728 * version.c: Bump for snapshot.
4730 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
4732 * loop.c (loop_number): Delete function. Change all references
4733 to use uid_loop_num array.
4734 * loop.h (loop_number): Delete declaration.
4735 * unroll.c (unroll_loop): Change "loop_number" references to
4736 use uid_loop_num instead.
4738 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
4740 (loop_unroll_iter): Remove unused variable and all references.
4741 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
4742 (insert_bct): Fix minor formatting problems.
4743 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
4744 (loop_unroll_iter): Removed unused decl.
4745 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
4746 Always record the unrolling factor.
4748 * cse.c (simplify_relational_operation): Set h0u just like h0s.
4749 Similarly for h1u and h1s.
4751 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
4752 (find_basic_blocks): Use computed_jump_p to determine if a
4753 particular JUMP_INSN is a computed jump.
4754 * reg-stack.c (find_blocks): Use computed_jump_p to determine
4755 if a particular JUMP_INSN is a computed jump.
4756 * rtlanal.c (jmp_uses_reg_or_mem): New function.
4757 (computed_jump_p): Likewise.
4758 * rtl.h (computed_jump_p): Declare.
4759 * genattrtab.c (pc_rtx): Define and initialize.
4760 * loop.c (loop_optimize): Always determine if the current
4761 function has a computed jump.
4762 (indirect_jump_in_function_p): Use computed_jump_p to determine
4763 if a particular JUMP_INSN is a computed jump.
4765 * loop.c (fix_bct_param): Delete unused function.
4766 (check_bct_param): Likewise.
4768 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4770 * frame.c (__deregister_frame): Check properly for initialized object.
4772 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4774 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
4776 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4778 * jump.c (thread_jumps): check can_reverse_comparison_p before
4779 threading a reversed-condition jump.
4781 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
4782 * haifa-sched.c (update_flow_info): Likewise.
4784 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
4786 * Makefile.in (BOOT_CFLAGS): Use -O2.
4788 * configure.in (strtoul, bsearch): Have autoconf check for these
4790 * configure, config.in: Rebuilt.
4792 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
4793 * mips/mips.h (alloca): Likewise.
4794 * rs6000/xm-rs6000.h (alloca): Likewise.
4795 * rs6000/xm-sysv4.h: Likewise.
4797 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
4799 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
4800 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
4801 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
4803 * except.c (end_eh_unwinder): Subtract 1 from return address.
4804 * libgcc2.c (__throw): Likewise.
4805 (find_exception_handler): Don't change PC here. Compare end with >.
4807 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
4809 * v850.c (compute_register_save_size): Correct register
4811 * v850.md (save_interrupt, return_interrupt): Correct
4813 * v850/lib1funcs.asm (save_interrupt): Correct register number.
4814 (return_interrupt): Use stack pointer, not element pointer.
4816 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
4818 * configure.in, configure: Make sure to create the stage* and include
4819 symbolic links in each subdirectory.
4821 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
4823 * pa.md (reload_peepholes): Don't allow addresses with side
4824 effects for the memory operand.
4826 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4828 * libgcc2.c (find_exception_handler): Subtract one from our PC when
4829 looking for a handler, to avoid hitting the beginning of the next
4832 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
4834 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
4836 * mips/abi64.h (LONG_MAX_SPEC): Define.
4837 * mips.h (LONG_MAX_SPEC): Define.
4838 (CPP_SPEC): Include long_max_spec.
4839 (EXTRA_SPECS): Include long_max_spec.
4841 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
4843 * v850.c (construct_save_jarl): Fix thinko in last change.
4845 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
4847 * version.c: Bump for snapshot.
4849 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4851 * libgcc2.c (find_exception_handler): Not found is -1.
4853 * integrate.c (expand_inline_function): Move expand_start_bindings
4854 after expanding the arguments.
4856 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
4858 * expr.c (expand_expr): Remove previous incorrect change.
4859 If target and slot has no DECL_RTL, then call mark_addressable
4860 again for the slot after we give it RTL.
4862 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
4864 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4865 again for the slot after we give it RTL.
4867 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
4869 * v850.c (register_is_ok_for_epilogue,
4870 pattern_is_ok_for_epilogue, construct_restore_jr,
4871 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
4873 * v850.h (pattern_is_ok_for_prologue,
4874 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
4877 * v850.md: Replace prologue and epilogue patterns with a
4878 match_parallel pattern.
4880 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
4882 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
4883 * configure.in: Use EGCS_PROG_INSTALL.
4885 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
4887 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
4888 extern inline function.
4890 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4892 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4893 (concat_loc_descriptor): New function.
4894 (loc_descriptor): Call it.
4895 (add_AT_location_description): Also elide the descriptor if both
4896 halves of a CONCAT are pseudos.
4897 (add_location_or_const_value_attribute): Recognize CONCAT too.
4899 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4901 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4903 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4904 out-or-range reg_offset.
4905 (output_epilog): Likewise.
4907 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4909 * cse.c (simplify_relational_operation): If MODE specifies a
4910 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4911 is derived from the sign bit of the low word.
4913 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4915 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4917 * dwarf2.h: Add DW_CFA_GNU_args_size.
4918 * frame.c (execute_cfa_insn): Likewise.
4919 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4920 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4921 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4922 insn, hand it off to dwarf2out_stack_adjust.
4923 (dwarf2out_begin_prologue): Initialize args_size.
4924 * frame.h (struct frame_state): Add args_size.
4925 * libgcc2.c (__throw): Use args_size.
4926 * final.c (final_scan_insn): If we push args, hand off all insns
4927 to dwarf2out_frame_debug.
4928 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4930 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4931 Handle epilogue restore of SP from FP.
4932 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4933 lone insn has RTX_FRAME_RELATED_P set.
4935 * frame.c (extract_cie_info): Handle "e" augmentation.
4936 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4937 absence of UNALIGNED_*_ASM_OP.
4938 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4939 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4940 Don't emit augmentation fields length.
4941 (dwarf2out_do_frame): Move outside of #ifdefs.
4942 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4945 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4946 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4947 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4948 * sparc/sun4gas.h: New file.
4949 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4951 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4952 __register_frame_table and __deregister_frame.
4954 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4956 * except.c (find_exception_handler_labels): Use xmalloc instead of
4957 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4960 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4962 * Makefile.in: Various changes to build info files
4963 in the object tree rather than the source tree.
4965 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4967 * fixinc.math: New file to fix math.h on some systems.
4968 * configure.in (freebsd, netbsd): Use fixinc.math on these
4970 * configure: Rebuilt.
4972 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4974 * regmove.c (regmove_optimize): If we end up moving the
4975 original insn due to lifetime overlaps, make sure to move
4978 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4980 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4982 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4984 * haifa-sched.c (add_branch_dependences): Make each insn in
4985 a SCHED_GROUP_P block explicitly depend on the previous insn.
4987 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4989 * except.h: Prototype dwarf2 hooks.
4992 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4994 * configure.in (native_prefix): Delete.
4995 (mips-dec-netbsd): Don't set prefix.
4996 (*linux*): Don't set prefix.
4998 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5000 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5001 defined. If not defined, include <sys/varargs.h> if
5002 HAVE_SYS_VARARGS_H is defined.
5003 * configure.in: Test for varargs.h and sys/varargs.h.
5004 * configure: Regenerate with autoconf.
5005 * config.in: Regenerate with autoheader.
5007 * cpplib.c (quote_string): Cast first arg of sprintf call
5008 from "unsigned char *" to "char *".
5009 (output_line_command): Ditto.
5010 (macroexpand): Ditto.
5011 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5013 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5015 * version.c: Bump for snapshot.
5017 * Makefile.in (compare): Exit with nonzero status if there
5018 are comparison failures. Note which files failed the
5019 comparison test in .bad_compare.
5021 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5023 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5025 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5027 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5028 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5029 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5030 * configure: Regenerated.
5032 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5034 * loop.c (strength_reduce): Fix typo.
5036 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5038 * m88k/m88k.c (struct option): Rename to struct options.
5039 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5040 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5041 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5042 __DOLPHIN__ or sysV88.
5044 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5046 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5049 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5051 * config.sub: Accept 'amigados' for backward compatability.
5053 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5055 * Makefile.in (testsuite/site.exp): New target.
5056 (check-gcc, check-g++): Depend on testsuite/site.exp.
5057 Don't stop for failure.
5059 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5061 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5062 if DWARF2_UNWIND_INFO.
5064 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5066 Add support for exception handling using DWARF 2 frame unwind info.
5067 Currently works on SPARC and MIPS, and almost on x86.
5069 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5070 next_stack_level, in_reg_window): Helper fns.
5071 (__throw): Implement for DWARF2_UNWIND_INFO.
5073 * expr.c (expand_builtin): Handle builtins used by __throw.
5074 * tree.h (enum built_in_function): Add builtins used by __throw.
5075 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5076 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5077 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5078 (expand_builtin_extract_return_addr): Likewise.
5079 (expand_builtin_frob_return_addr): Likewise.
5080 (expand_builtin_set_return_addr_reg): Likewise.
5081 (expand_builtin_eh_stub): Likewise.
5082 (expand_builtin_set_eh_regs): Likewise.
5083 (eh_regs): Choose two call-clobbered registers for passing back values.
5085 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5086 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5087 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5088 (stmp-multilib): Likewise.
5089 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5091 * except.c: #include "defaults.h".
5092 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5093 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5094 (register_exception_table_p): New fn.
5095 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5096 (end_eh_unwinder): Likewise.
5098 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5099 call __register_frame and __deregister_frame as needed.
5100 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5101 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5102 EH_FRAME_SECTION_ASM_OP.
5103 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5104 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5105 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5107 * dwarf2out.c (output_call_frame_info): If no support for
5108 EXCEPTION_SECTION, mark the start of the frame info with a
5110 * collect2.c (frame_tables): New list.
5111 (is_ctor_dtor): Recognise frame entries.
5112 (scan_prog_file): Likewise.
5113 (main): Pass -fno-exceptions to sub-compile. Also do collection
5114 if there are any frame entries.
5115 (write_c_file_stat): Call __register_frame_table and
5116 __deregister_frame as needed.
5117 (write_c_file_glob): Likewise.
5119 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5120 Also require unaligned reloc support.
5121 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5122 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5123 * sparc/sysv4.h: Not here.
5125 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5126 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5127 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5129 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5130 EH implementations to the top.
5131 (find_exception_handler): Split out. Start from 0. Compare against
5133 (__find_first_exception_table_match): Use it.
5134 * except.c (output_exception_table): Don't do anything if there's
5135 no table. Don't output a first entry of zeroes.
5136 (eh_outer_context): Adjust properly.
5137 (add_eh_table_entry): Use xrealloc.
5138 * toplev.c (compile_file): Just call output_exception_table.
5140 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5142 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5144 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5146 * except.c (eh_outer_context): Do masking using expand_and.
5148 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5150 Add port done awhile ago for the ARC cpu.
5151 * arc/arc.h: New file.
5152 * arc/arc.c: New file.
5153 * arc/arc.md: New file.
5154 * arc/initfini.c: New file.
5155 * arc/lib1funcs.asm: New file.
5156 * arc/t-arc: New file.
5157 * arc/xm-arc.h: New file.
5158 * ginclude/va-arc.h: New file.
5159 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5160 * ginclude/varargs.h: Likewise.
5161 * Makefile.in (USER_H): Add va-arc.h.
5162 * configure.in (arc-*-elf*): Recognize.
5163 * longlong.h: Add ARC support.
5165 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5167 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5168 when clearing non-BLKmode data.
5170 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5172 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5173 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5175 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5177 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5179 * Makefile.in (clean): Delete libgcc1-test.
5181 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
5183 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
5185 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
5188 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5190 * dwarf2out.c (output_call_frame_info): Call named_section.
5192 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
5194 * haifa-sched.c (print_value): Fix last change.
5196 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5198 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5201 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5203 * mips.c (function_prologue): Set up the CFA when ABI_32.
5205 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5206 for dwarf2 unwind info.
5207 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5209 * final.c (final_end_function): Check dwarf2out_do_frame instead
5210 of DWARF2_DEBUG for dwarf2 unwind info.
5211 (final_scan_insn): Likewise.
5212 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5215 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5218 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5220 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5222 * v850.h (ASM_SPEC): Pass on target processor.
5223 (CPP_PREDEFINES): Only define if not already specified.
5224 (TARGET_VERSION): Only define if not already specified.
5225 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5227 (EXTRA_SWITCHES): Extra entries in the switches array.
5228 (TARGET_DEFAULT): Set default target processor.
5230 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5232 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5233 cases, add %# and %/, and add : to make them into extended asms.
5235 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5237 * alias.c (init_alias_analysis): Clean up incompatible pointer
5238 type warning in bzero.
5239 * regmove.c (regmove_optimize): Ditto.
5240 * haifa-sched.c (find_rgns): Ditto.
5242 * haifa-sched.c (print_value): Clean up ptr->int cast
5245 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5247 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5248 * install.texi (Configurations): Ditto.
5249 * config.sub: Ditto.
5251 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5253 * Makefile.in (sdbout.o): Depend on insn-config.h.
5255 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5257 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5258 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5260 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5262 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5263 prologue insn, only the first elt is significant.
5264 (output_call_frame_info): For exception handling, always use 4-byte
5265 fields as specified by the dwarf2 spec.
5266 Don't skip trivial FDEs.
5268 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5270 * version.c: Bump for snapshot.
5272 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5274 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5275 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5278 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5280 * final.c (shorten_branches): During first pass, assume worst
5281 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5283 * Makefile.in (distclean): Remove various things left around
5284 by running the testsuite.
5286 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5288 * configure.in (out_file): Emit definition to config.status in order
5289 to have a defined value for configure.lang.
5290 * configure: Re-built.
5292 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5294 * configure.in: Make symlink to as-new rather than as.new. Similarly
5296 * configure: Rebuilt.
5298 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5300 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5302 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5304 * sparc/sparc.md: Add ultrasparc scheduling support.
5305 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5307 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5309 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5310 as initial value for real_label_map.
5311 (copy_for_inline): Likewise.
5313 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5315 * sched.c (update_flow_info) When looking if to set found_split_dest
5316 or found_orig_dest, look at all parts of a PARALLEL.
5317 * haifa-sched.c (update_flow_info): Likewise.
5319 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5321 * v850: New directory for v850 port.
5322 * v850/lib1funcs.asm: New file.
5323 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5324 * ginclude/va-v850.h: New file.
5325 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5326 * configure.in (mn10200-*-*): New target.
5327 * configure: Rebuilt.
5328 * config.sub: Handle v850-elf.
5329 * Makefile.in (USER_H): Add va-mn10200.h.
5330 * invoke.texi: Document v850 stuff.
5332 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5334 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5335 has integer TYPE_{MAX,MIN}_VALUE before using them.
5337 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5338 __HPUX_ASM__ versions.
5340 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5342 * install.sh: Delete duplicate install script.
5344 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5346 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5347 computed goto which sets the same stack register.
5349 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5350 destination are both on the regstack.
5351 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5353 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5355 * mips.md (nonlocal_goto_receiver): Define.
5357 * profile.c (output_arc_profiler): Check next_insert_after for non
5358 NULL before deferencing it.
5360 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5362 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5364 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5366 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5368 * toplev.c (rest_of_compilation): For passes starting with
5369 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5371 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5374 * flow.c (print_rtl_with_bb): Print which insns start and end
5375 basic blocks. For the start of a basic block, also print the live
5378 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5380 * toplev.c (main): Change #elif to #else/#ifdef
5382 * tlink.c: Include ctype.h.
5383 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5385 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5387 * bitmap.c: Conditionally include stdlib.h.
5388 (free): Provide a declaration if NEED_DECLARATION_FREE.
5390 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5392 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5394 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5396 * profile.c (output_arc_profiler): Verify next_insert_after is an
5397 INSN before and after skipping a stack pop.
5399 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5401 * final.c (shorten_branches): Don't count the lengths of deleted
5404 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5406 * version.c: Bump for snapshot.
5408 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5410 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5411 two bitmaps ANDed together.
5412 (bitmap_print): Declare.
5414 * bitmap.c (function_obstack): Don't declare any more.
5415 (bitmap_obstack): Obstack for allocating links from.
5416 (bitmap_obstack_init): New static to say whether to initialize
5418 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5419 (bitmap_release_memory): Free all memory allocated from
5422 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5423 EXECUTE_IF_AND_IN_BITMAP.
5425 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5427 * alias.c (true_dependence): Address with AND can alias scalars.
5428 (anti_dependence, output_dependence): Likewise.
5430 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5432 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5434 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5435 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5436 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5437 definitions. Use -qrtems instead of -mrtems.
5439 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5441 * xm-sco5.h (sys_siglist): Define.
5442 (SYS_SIGLIST_DECLARED): Likewise.
5444 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5446 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5448 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5450 * except.c (eh_outer_context): Expand masking operation using
5453 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5455 * alpha.md (floatdisf2-1): New pattern.
5457 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5459 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5460 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5461 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5462 * gcc.texi: Note that if you define sys_siglist that you should
5463 also define SYS_SIGLIST_DECLARED.
5465 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5466 are relative to the next instruction, not the current instruction.
5468 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5470 * local-alloc.c (contains_replace_regs): New function.
5471 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5472 verify that there is no existing REG_EQUIV note, and add a call to
5473 contains_place_regs.
5475 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5477 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5478 (STARTFILE_SPEC): Always use crtbegin.o%s
5479 (ENDFILE_SPEC): Always use crtend.o%s.
5481 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5483 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5485 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5486 SFmode for 64 bit hosts.
5488 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5490 * fixincludes: Permits spaces between # and define. Discard C++
5491 comments in sys/pci.h on HP/UX 10.20.
5493 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5495 * version.c: Bump for snapshot.
5497 * pa.c (restore_unscaled_index_insn_codes): New function.
5498 (record_unscaled_index_insn_codes): Likewise.
5499 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5500 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5501 (pa_reorg): Call record_unscaled_index_insn_codes.
5503 * haifa-sched.c (move_insn): Handle notes correctly for insns
5504 with SCHED_GROUP_P set.
5506 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5508 * alpha/xm-linux.h (USE_BFD): Undef before define.
5510 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5512 * cse.c (cse_insn): Don't record BLKmode values.
5514 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5516 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5518 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5520 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5521 * collect2.c (sys_errlist): Likewise.
5522 * cpplib.c (sys_errlist): Likewise.
5523 * gcc.c (sys_errlist): Likewise.
5524 * protoize (sys_errlist): Likewise.
5525 * configure.in: Check for strerror.
5526 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5527 * xm-gnu.h (HAVE_STRERROR): Likewise.
5528 * xm-linux.h (HAVE_STRERROR): Likewise.
5529 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5530 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5531 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5532 * xm-dos.h (HAVE_STRERROR): Likewise.
5533 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5534 * xm-pa.h (HAVE_STRERROR): Likewise.
5535 * xm-papro.h (HAVE_STRERROR): Likewise.
5536 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5537 * configure, config.in: Rebuilt.
5539 * Makefile.in: Add several missing "else true" clauses.
5541 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5542 * mips-tfile.c: Likewise.
5543 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5544 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5545 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5546 * configure.in: Check for sys_siglist declaration.
5547 * configure, config.in: Rebuilt.
5549 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5551 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5552 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5553 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5554 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5555 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5556 macro EXTRA_SUBTARGET_SWITCHES.
5557 * configure.in (sh*-*-rtems*): New target.
5558 * sh/rtems.h: New file.
5559 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5560 * configure: Rebuilt.
5562 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5564 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5566 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5568 * rs6000.md: Make DF fused-add operations pay attention to
5571 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5573 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5575 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5577 * pa.md (reload_peepholes): Make sure operand is a REG before
5578 examining REGNO. Allow general registers too.
5580 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5582 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5584 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5586 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5587 to reallocate abbrev_die_table.
5589 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5591 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5593 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5595 * Makefile.in (config.status): Depend on version.c
5597 * expr.h (insn_gen_function): Reenable prototype.
5599 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5602 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5604 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5606 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5608 * version.c: Bump for latest snapshot.
5610 * bc-optab.c: Conditionally include stdlib.h.
5611 (free): Provide a declaration if NEED_DECLARATION_FREE.
5612 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5613 * rtl.h (free): Remove declaration.
5614 * tree.h (free): Remvoe declaration.
5616 * configure: Rebuilt.
5618 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5620 * flags.h (flag_move_all_movables): Declare.
5621 (flag_reduce_all_givs): Likewise.
5622 * loop.c (move_movables): Handle flag_move_all_movables.
5623 (strength_reduce): Handle flag_reduce_all_givs.
5624 * toplev.c (flag_move_all_movables): Define.
5625 (flag_reduce_all_givs): Likewise.
5626 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5627 * invoke.texi: Document new options, including alias stuff that
5628 wasn't included last time.
5630 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5632 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5635 * t-vxworks68: Ditto.
5636 * t-vxworks960: Ditto.
5639 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5641 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5642 if not already defined, and USE_C_ALLOCA not defined.
5644 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5646 * config.guess: Replace with script that uses ../config.guess.
5648 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5649 if USE_GNULIBC_1 is not defined.
5651 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5653 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5654 * config.guess: Recognize alpha-linux-gnulibc1.
5655 * configure.in (alpha-*-linux-gnulibc1): New target.
5656 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5658 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5660 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5663 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5665 * loop.c (combine_movables): Earlier insns don't match later ones.
5667 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5669 * config/linux.h (CC1_SPEC): Define it only if not defined.
5671 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5674 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5675 USE_GNULIBC_1 is not defined.
5677 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5679 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5680 as 1 if USE_GNULIBC_1 is not defined.
5682 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5684 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5685 to be something other than a REG.
5686 * function.c (expand_function_end): Fix current_function_return_rtx
5689 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5690 * x-netbsd: Likewise
5691 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5692 (INSTALL_HEADERS): Delete.
5693 * x-dguxbcs: Likewise.
5694 * x-hp3bsd44: Likewise
5697 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5699 * i386.md (pop): pop increments the stack pointer.
5700 (prologue_set_stack_ptr): New pattern.
5701 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
5704 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
5706 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
5707 address where an offsettable address is required.
5709 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
5711 * loop.c (check_final_value): Don't miss a biv increment in a
5714 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
5716 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
5717 TYPE_DECL_IS_STUB instead of DECL_NAME.
5719 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5721 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
5723 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
5725 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
5727 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
5729 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
5730 (find_post_sched_live): Likewise.
5732 * haifa-sched.c (schedule_block): Remove old code to get arguments
5733 from hard regs into pseudos early.
5735 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
5737 * version.c: Bump for new snapshot.
5739 * local-alloc.c (update_equiv_regs): All the target to reject
5740 promotion of some REG_EQUAL to REG_EQUIV notes.
5741 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
5743 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
5746 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
5747 store of the argument registers.
5749 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
5751 * fold-const.c (multiple_of_p): New function.
5752 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
5754 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
5756 * expr.h (insn_gen_function): Temporarily remove prototype.
5758 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
5760 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
5761 filenames. Use sed to extract base filename for install.
5763 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
5765 * unroll.c (find_splittable_givs): Only share if two givs have the
5766 same add and multiply values.
5768 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
5770 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
5771 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
5773 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
5775 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
5776 around branch tables.
5777 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
5778 and .end_brtab directives if TARGET_GAS.
5780 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
5782 * alias.c (true_dependence): Pass x_addr not x to varies.
5784 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
5785 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
5786 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
5788 * config.in, configure: Regenerate.
5790 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
5792 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
5794 (record_set): Handle LO_SUM like PLUS.
5795 (init_alias_analysis): When following chains of base addresses,
5796 do not stop on reaching a hard register.
5798 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
5800 * version.c: Bump for new snapshot.
5802 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
5804 * alpha.h (ARCH_ASM_FILE_START): Define.
5805 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
5806 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
5808 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
5810 * Makefile.in (install-common): Put gcov comment at start of line.
5812 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
5814 * alias.c (init_alias_analysis): When simplifying the reg_base_value
5815 array, simplify entries for hard registers too.
5817 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
5819 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
5822 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
5824 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
5825 block_stack before dereferencing it.
5827 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
5829 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
5831 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5833 * cplus-dem.c: Add 'extern' to prepends_underscore.
5835 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
5837 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
5838 (get_issue_rate): Delete.
5839 * pa.h (ISSUE_RATE): Define.
5841 * configure.in: Turn on haifa by default for the PA.
5842 * configure: Rebuilt.
5843 * pa.c (override_options): Accept -mschedule=7200 option.
5844 (pa_adjust_cost): No longer need to scale costs for newer
5846 * pa.h (enum processor_type): Add PROCESSOR_7200.
5847 * pa.md: Revamp scheduling parameters to work better with
5848 haifa. Add scheduling parameters for the 7200.
5850 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
5852 (schedule_block): When adjusting basic_block_{head,end}, account
5853 for movement of SCHED_GROUP_P insns too.
5855 * haifa-sched.c (debug_dependencies): Fix thinko.
5857 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
5858 (site.exp, check, check-g++, check-gcc): New targets.
5860 * haifa-sched.c: Make lots of variables static.
5862 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5864 * expr.h, real.h: Finish prototyping.
5866 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
5868 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
5869 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
5870 * reload1.c: Undo bugfix from Aug 11.
5872 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
5874 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
5875 quotes around the name.
5876 * configure: Regenerate.
5878 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
5880 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
5882 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
5884 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
5885 to sub-makes to avoid building more passes than the user might have
5886 requested on the command line.
5888 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5890 * configure.in: Expurgate `broken_install' (install is
5893 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5896 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5898 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5899 functions and declarations.
5900 (analyze_loop_iterations): Use condjump_p.
5901 (insert_bct): Likewise. Use exact_log2.
5903 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5905 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5906 (schedule_region): Likewise.
5907 (schedule_insns): Likewise.
5909 * PROJECTS: Update with Haifa stuff.
5911 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5913 * version.c: Change the version string to look like:
5914 egcs-2.90.00 970814 (gcc2-970802 experimental).
5916 * loop.c (is_conditional_branch): Make definition match declaration.
5918 * gcc.c: Take out experimental snapshot warning message.
5920 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5922 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5923 print out the names of the notes. Print out the name of the insn
5924 that is not a note, and not an {,CALL_,JUMP_}INSN.
5926 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5928 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5929 again for the slot after we give it RTL.
5931 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5933 * configure.in (haifa configury): Fix typo.
5934 * configure: Regenerate.
5936 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5938 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5940 * gcc.info*: Rebuilt.
5942 * COPYING.g77, README.g77: New files.
5943 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5944 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5945 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5947 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5949 * Integrate Haifa instruction scheduler.
5950 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5951 to sched with $(SCHED_CFLAGS.
5952 * configure.in: Handle --enable-haifa.
5953 * configure: Rebuilt.
5954 * flags.h: Add new flags for haifa instruction scheduler.
5955 * genattrtab.c (expand_units): For haifa, don't subtract one
5956 when computing blockage.
5957 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5958 (flag_schedule_speculative): Ditto.
5959 (flag_schedule_speculative_load): Ditto.
5960 (flag_schedule_speculative_load_dangerous): Ditto.
5961 (flag_schedule_reverse_before_reload): Ditto.
5962 (flag_schedule_reverse_after_reload): Ditto.
5963 (flag_branch_on_count_reg): Ditto.
5964 (f_options): Add Haifa switches.
5965 (main): Turn off some Haifa options if appropriate macro is
5966 defined. Process Haifa switches.
5967 * unroll.c (iteration_info): No longer static, since Haifa
5969 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5970 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5971 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5972 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5973 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5974 storage for the Haifa scheduler.
5975 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5977 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5978 are defined, call analyze_loop_iterations and insert_bct to use
5980 (record_giv): Refine test for jumps out of loops if HAIFA is
5982 (analyze_loop_iterations): New function to identify if we can use
5984 (insert_bct): Insert countdown loop.
5985 (instrument_loop_bct): Low level code to insert countdown loop.
5986 (loop_number): Calculate UID of loop.
5987 (indirect_jump_in_function_p): Return true if an indirect jump is
5989 (is_power_of_2): Return true if value is a power of 2.
5990 (is_conditional_branch): Return true if insn is a conditional
5992 (fix_bct_param): Process -fbct-{min,max}-N switches.
5993 (check_bct_param): Return true if loop should be instrumented.
5994 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5995 (loop_optimize): Initialize.
5996 (get_condition_for_loop): Ditto.
5997 * loop.c (strength_reduce): Inside of code that uses #ifdef
5998 HAVE_decrement_and_branch_on_count code, test it to make sure the
6000 (instrument_loop_bct): Ditto.
6001 * haifa-sched.c: New file.
6004 * Integrate regmove pass.
6005 * Makefile.in (OBJS): Add regmove.o
6006 (regmove.o): Add dependencies.
6007 * flow.c (find_use_as_address): No longer static.
6008 * rtl.h (find_use_as_address): Declare.
6009 * toplev.c (regmove_dump, flag_regmove): Define.
6010 (f_options): Add -fregmove.
6011 (regmove_dump_file, regmove_time): Define.
6012 (fatal_insn): Close the regmove dump file.
6013 (compile_file): Initialize regmove_time; open/close the regmove dump
6014 file as needed. Print regmove time as needed.
6015 (rest_of_compilation): Run regmove pass if requested, dump
6016 RTL after regmove if requested.
6017 (main): If -O2 or more, turn on regmove. Handle dump switches.
6018 * regmove.c: New file.
6020 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6022 * Integrate tlink patch from jason@cygnus.com
6023 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6024 (process_command): Increment n_switches for them. Don't discard
6025 their args. Validate them.
6026 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6028 (process_command): Set include_prefixes from COMPILER_PATH.
6029 (main): Set COLLECT_GCC_OPTIONS sooner.
6030 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6031 * tlink.c, hash.c, hash.h: New files.
6032 * Makefile.in (USE_COLLECT2): Always use collect2.
6033 (collect2): Depend on and link in hash.o and tlink.o.
6034 (tlink.o, hash.o): Add dependencies.
6036 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6038 * Integrate alias analysis changes from jfc@mit.edu
6039 * Makefile.in (OBJS): Add alias.o
6040 (alias.o): Add dependencies.
6041 * alias.c: New file.
6042 * sched.c: Remove alias analysis code. It lives in alias.c now.
6043 (sched_analyze_2): Add new arguments to true_dependence.
6044 (schedule_insns): Always call init_alias_analysis.
6045 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6046 mark return value from such functions as a pointer and keep track of
6047 them for alias analysis. If a return value from a function is a
6048 pointer, mark it as such.
6049 * combine.c (distribute_notes): Handle REG_NOALIAS.
6050 * cse.c (struct write_data): Delete. No longer needed.
6051 (invalidate): Don't call set_nonvarying_address_components anymore.
6052 Use true_dependence to decide if an entry should be removed from
6054 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6056 (note_mem_written): Similarly for WRITE_PTR argument.
6057 (invalidate_from_clobbers): Similarly for W argument.
6058 (invalidate_for_call): Remove memory elements from the hash table.
6059 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6060 (cse_rtx_varies_p): New function. Derived from old
6061 cse_rtx_addr_varies_p.
6062 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6063 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6064 pointer if PUSH_ROUNDING is defined. No longer need to call
6065 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6066 (skipped_writes_memory): Remove variable.
6067 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6068 (invalidate_skipped_block): Simplify for new alias analysis code.
6069 (cse_set_around_loop): Likewise.
6070 (cse_main): Call init_alias_analysis.
6071 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6072 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6073 (f_options): Add new alias checking arguments.
6074 (main): Set flag_alias_check when optimizing.
6075 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6077 (memref_referenced_p): Likewise.
6078 * loop.c (NUM_STORES): Increase to 30.
6079 (prescan_loop): Only non-constant calls set unknown_address_altered.
6080 (invariant_p): Add new arguments to true_dependence.
6081 (record_giv): Initialize unrolled and shared fields.
6082 (emit_iv_add_mult): Call record_base_value as needed.
6083 * loop.h (struct induction): Add unrolled and shared fields.
6084 * unroll.c (unroll_loop): Call record_base_value as needed.
6085 (copy_loop_body): Likewise.
6086 (final_biv_value): Likewise.
6087 (final_giv_value): Likewise.
6088 (find_splittable_regs): Likewise. Only create one new pseudo
6089 if we have multiple address GIVs that were combined with the same
6090 dst_reg GIV. Note when a new register is created due to unrolling.
6091 * rtl.c (reg_note_name): Add REG_NOALIAS.
6092 * rtl.h (enum reg_note): Similarly.
6093 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6094 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6095 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6096 (true_dependence, read_dependence, anti_dependence): Likewise.
6097 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6098 (mark_user_reg, mark_reg_pointer): Likewise.
6101 * Integrate reload bugfix from Wilon which enables the PA port
6103 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6104 OPERAND_ADDRESS when computing how many registers an insn needs.
6105 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6107 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6109 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6110 in reload_reg_use_in_op_addr do not reach the end.
6111 do not reach the end.
6112 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6113 RELOAD_FOR_OPERAND_ADDRESS.
6115 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6117 * egcs project officially starts.