1 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
3 * regclass.c (init_reg_sets): Move init of move cost tables...
4 (init_reg_sets_1): ...to here.
6 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
8 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
10 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
12 * i386.c (struct machine_function): Add new fields for PIC stuff.
13 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
15 (restore_386_machine_status): Corresponding changes.
16 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
18 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
20 * c-parse.y (undeclared variable error): Tweak error message
23 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
25 * flags.h (g_switch_value, g_switch_set): Declare.
26 * alpha.c (override_options): Set g_switch_value=8 if not set.
27 * alpha/elf.h (CC1_SPEC): New.
29 (LINK_SPEC): Pass along the -G value we were given.
30 (LOCAL_ASM_OP): Remove.
31 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
32 (MAX_OFILE_ALIGNMENT): New.
33 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
34 (EXTRA_SECTIONS): Add sbss and sdata.
35 (SECTION_FUNCTION_TEMPLATE): New.
36 (EXTRA_SECTION_FUNCTIONS): Use it.
37 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
38 (SELECT_SECTION): Use sdata when small enough.
39 * alpha/linux.h (ASM_SPEC): Remove.
42 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
43 * config.sub (sco5): Fix typo.
45 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
47 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
49 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
50 * config/alpha/t-linux: Remove file.
51 * config/sparc/t-linux: Remove file.
52 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
53 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
54 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
56 (alpha*-*-linux-gnu*): Likewise.
57 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
58 (sparc-*-linux-gnu*): Likewise.
60 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
61 * collect2.c (ldd_file_name): Bracket declaration with same
63 (full_real_ld_suffix): Deleted. Variable was calloced and
64 written into, but never read.
66 1998-02-23 Mike Stump <mrs@wrs.com>
68 * configure.in: Add support for i386-wrs-vxworks configuration.
69 * i386/vxi386.h: New file.
71 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
73 * tree.c (contains_placeholder_p): Ensure function always returns
75 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
76 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
78 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
80 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
82 1998-02-22 Paul Eggert <eggert@twinsun.com>
84 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
85 Define this new symbol.
86 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
87 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
88 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
90 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
92 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
93 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
95 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
97 * objc/Object.m (-error): Call objc_verror with our va_list.
99 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * collect2.c (scan_prog_file): Completely cover uses of variable
102 `exports' with macro COLLECT_EXPORT_LIST.
104 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
106 * version.c: Bump for snapshot.
108 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
110 * sched.c (schedule_block): Remove code to get arguments from hard
111 regs into pseudos early. Same as Aug 25, 1997 change to
114 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
116 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
118 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
120 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
121 continuation character (line 243).
123 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
125 * genrecog.c (main): Remove duplicated sentence in emitted comment.
127 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
128 David Edelsohn <edelsohn@mhpcc.edu>
130 * collect2.c (XCOFF_SCAN_LIBS): Remove.
131 (export_flag): New variable.
132 (export_file): #ifdef COLLECT_EXPORT_LIST.
133 (import_file, exports, imports, undefined): New variables.
134 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
135 (dump_list, dump_prefix_list, is_in_list): New functions.
136 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
137 (write_import_file, resolve_lib_name): New functions.
138 (use_import_list, ignore_library): Same.
139 (collect_exit): maybe_unlink import_file and #ifdef.
141 (main): New variable importf, #ifdef exportf. Move parsing of
142 -shared before general argument parsing. Resolve AIX library
143 paths and import libgcc.a symbols. Treat .so shared libraries the
144 same as objects and .a libraries. Create alias for object_lst and
145 increment it instead of original pointer. Scan AIX libraries as
146 objects earlier instead of using scan_libraries. Perform AIX
147 tlink later to resolve templates instead of forking ld.
148 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
149 (GCC_UNDEF_SYMBOL): New macro.
150 (scan_prog_file): Loop for members of AIX libraries. Handle
151 export/import of ctors/dtors.
152 (aix_std_libs): New variable.
153 (scan_libraries, XCOFF): Delete.
155 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
157 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
159 1998-02-19 Mike Stump <mrs@wrs.com>
161 * Makefile.in: Use $tooldir for sys-include to match toplevel
164 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
165 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
167 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
169 * emit-rtl.c (hard-reg-set.h): Include.
170 (get_lowpart_common): Don't make new REG for hard reg in a
171 class that cannot change size.
172 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
174 * combine.c: Revert previous patch.
176 1998-02-19 Paul Eggert <eggert@twinsun.com>
178 * config/sparc/sol2-sld.h: New file.
179 * configure.in (sparc-*-solaris2*): Use it when using the
182 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
184 * loop.c (force_movables): Fix typo.
186 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
188 * m88k.h: Change file pattern to match reality.
190 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
192 * varasm.c (output_constant_pool): Fix dumb thinko in last
195 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
196 a function name to a section name.
198 1998-02-18 Doug Evans <devans@cygnus.com>
200 * tree.h (merge_machine_{type,decl}_attributes): Declare.
201 (split_specs_attrs, strip_attrs): Add prototypes.
202 * tree.c (merge_machine_{type,decl}_attributes): New functions.
203 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
204 Update olddecl's attributes too.
205 * c-common.c (strip_attrs): New function.
206 * c-typeck.c (common_type): Call merge_machine_type_attributes.
207 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
208 (make_decl_rtl): Likewise.
210 1998-02-18 Jim Wilson <wilson@cygnus.com>
212 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
214 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
216 Remove this change until we can fix it correctly.
217 * collect2.c: Bracket declaration of 'exportf' and
218 'full_real_ld_suffix'.
220 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
222 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
224 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
226 * c-common.c (c_expand_start_cond, c_expand_end_cond,
227 c_expand_start_else): Don't warn about non-ambiguous else even if
230 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
232 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
233 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
236 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
238 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
239 simplifying a subreg of a hard reg.
240 (expand_compound_operation): Likewise.
241 (force_to_mode): Likewise.
243 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
246 (lshift_double): Add parentheses around + or - inside shift.
247 (rshift_double): Likewise.
248 (size_int_wide): Explicitly set type of `bit_p' to `int'.
250 * Makefile.in (fold-const.o): Depend on system.h.
252 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
255 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
256 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
257 (sched_note_set): Remove unused parameter `b', all callers changed.
258 (schedule_block): Likewise for `rgn'.
259 (split_hard_reg_notes): Likewise for `orig_insn'.
260 (check_live): Likewise for `trg'.
261 (update_live): Likewise.
262 (check_live_1): Explcitly declare variable `i' as int.
263 (update_live_1): Likewise.
264 (insn_issue_delay): Remove unused variable `link'.
265 (sched_analyze_2): Add default case in enumeration switch.
266 (schedule_insns): Remove unused variable `i'.
268 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
270 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
272 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
273 a dangling else clause.
275 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
277 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
278 pointer for the stack pointer in MIPS16 and 64BIT.
280 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
282 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
283 * emit-rtl.c (force_line_numbers, restore_line_number_status):
285 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
286 (expand_start_case): Adjust to this change.
287 (check_seenlabel): New function.
288 (pushcase, pushcase_range, expand_endcase): Use it.
290 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
292 * i386.md (adddi3): Add =!r,0,0,X alternative.
294 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
296 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
297 * x-aix31 (INSTALL): Delete.
299 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
301 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
302 tsize changes to something other than zero.
304 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
306 * ginclude/va-mips.h: Replace casts of pointers to int with
307 casts of pointers to __PTRDIFF_TYPE__.
309 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
311 * loop.c (strength_reduce, record_biv, record_giv): Use
312 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
314 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
316 * tree.c (first_rtl_op): New fn.
317 (unsave_expr_now): Use it.
318 * print-tree.c (print_node): Likewise.
319 * tree.c (has_cleanups): New fn.
320 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
321 conservative about pushing the cleanup point down.
322 * tree.h: Declare them.
324 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
326 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
327 (flag_schedule_reverse_after_reload): Likewise.
328 (f_options): Remove reverse scheduling support.
329 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
330 (flag_schedule_reverse_after_reload): Likewise.
331 * haifa-sched.c (rank_for_schedule): Remove support for reverse
334 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * gcc.c: Get system includes, prototypes and macros via "system.h"
337 instead of doing it manually. Change all calls of the ctype
338 macros to custom versions defined in "system.h".
340 * system.h: Fix return type of bcmp prototype from `void' to `int'.
341 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
342 Add a prototype for getenv.
344 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
346 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
348 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
350 * alias.c: Include <stdlib.h> and <string.h>.
351 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
353 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
355 * version.c: Bump for snapshot.
357 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
359 * arm.md (movsfcc): Also validate operands[3] when compiling hard
361 (movdfcc): Only accept fpu_add_operand for operands[3].
363 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
364 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
366 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
368 * varasm.c (output_constant_pool): Bring back 'done' label inside
369 an appropriate #ifdef.
371 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
373 (bitmap_copy, bitmap_operation): Likewise.
374 * combine.c (combinable_i3pat): Similarly for 'src'.
375 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
376 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
377 * regclass.c (copy_cost): Similarly for 'secondary_class'.
378 * reload.c (make_memloc): Simliarly for 'i'.
379 (find_reloads_address_1): Similarly for 'link'.
380 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
381 (emit_reload_insns): Similarly for 'second_reloadreg'.
382 * unroll.c (iteration_info): Similarly for 'v'.
384 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
385 * calls.c (expand_call): Similarly for 'i'.
386 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
387 * fold-const.c (strip_compund_expr): Similarly for 'type'.
388 * function.c (fixup_var_refs_1): Similarly for 'width'.
389 (fixup_memory_subreg): Similarly for 'saved'.
390 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
391 (setjmp_protect): Similarly for 'sub'.
392 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
393 * loop.c (record_giv): Similarly for 'p'.
394 (combine_givs): Similarly for 'temp_iv'.
395 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
396 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
397 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
398 * unroll.c (unroll_loop): Similarly for 'copy'.
399 (iteration_info): Similarly for 'b'.
400 * varasm.c (assemble_string): Similarly for 'i'.
401 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
403 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
405 * dwarf2out.c (decl_scope_node): New type.
406 (decl_scope_table): Change type to use it.
407 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
408 (push_decl_scope): Use new type. New locals containing_scope, i.
409 Add code to handle setting previous field.
410 (scope_die_for): Change type of local i to int. Add code to use
412 (dwarf2out_init): Use new type.
414 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
416 * except.c (emit_throw): Lose throw_used.
418 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
420 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
422 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
424 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
426 * genextract.c (main): Fix typo.
428 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
430 * c-lang.c (finish_file): Bracket declaration of static_ctors,
433 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
434 'old_stack_arg_under_construction'
435 (emit_library_call): Bracket declaration of 'upper_bound',
436 'lower_bound', 'i', 'reg_parm_stack_space'
437 (emit_library_call_value): Likewise.
440 * collect2.c: include <unistd.h> when appropriate.
441 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
443 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
445 * explow.c (plus_constant_for_output_wide): Remove unused variable
447 (memory_address): Remove unused variable 'orig_x'.
449 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
450 (write_const_num_delay_slots): Remove unused variable 'i'.
452 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
453 (gen_insn): Remove unused variable 'obstack_ptr'.
455 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
457 (__bb_exit_trace_func): Remove unused variable 'e'.
459 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
461 (expand_unop): Remove unused variable 'funexp'.
462 (expand_complex_abs): Remove unused variable 'funexp'.
463 (init_optabs): Bracket declaration of 'j'.
464 (init_complex_libfuncs): Deleted. Dead static function.
466 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
468 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
469 (reg_to_stack): 'initialized', 'before_function_beg'
470 explictly type as ints instead of defaulting.
471 (emit_swap_insn): Remove unused variable 'i2'.
472 (compare_for_stack_reg): Remove unused variable 'src_note'.
474 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
476 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
478 * stmt.c (add_case_node): Add parens for assignment used as truth.
479 (all_cases_count): Remove unused variable 'count_high'.
480 (mark_seen_cases): Remove unused variable 'i'.
481 (check_for_full_enumeration_handling): Remove unused variable 't'.
482 Bracket declaration of 'all_values', 'l'.
484 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
486 * varasm.c (assemble_string): Remove unused variable 'i'.
487 (immed_double_const): Remove unused variable 'in_current_obstack'.
488 (immed_real_const_1): Likewise.
489 (output_constant_pool): Remove unreferenced label 'done'.
490 (output_constant): Remove unused variable 'x'.
492 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
495 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
498 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
500 * combine.c (can_combine_p): Handle USEs in PARALLELs.
502 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
504 * config/linux.h (LIB_SPEC): Add -lc for -shared if
505 USE_GNULIBC_1 is not defined.
506 * config/sparc/linux.h; Ditto.
508 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
510 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
511 USE_GNULIBC_1 is not defined.
513 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
515 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
518 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
520 * system.h: New file to get common systems includes and various
521 definitions and declarations based on autoconf macros.
523 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
525 * cccp.c (new_include_prefix): Correctly handle -I./.
527 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
529 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
531 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
533 * expr.c (expand_assignment): Correct typo exposed by -Wall.
534 offset should have been a truth value, not an assignment.
536 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
538 * cse.c (delete_dead_from_cse): If a libcall produces a constant
539 result and that result can be substituted into SET_SRC of the
540 insn with the REG_RETVAL note, then perform the substitution
541 and delete the libcall.
543 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
545 * mips.md (trucndihi2,truncdiqi2): Change these to support
548 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
550 * mips/mips.c (movdi_operand): Direct referances to symbols
551 that arn't mips16 consts in mips16 mode arn't valid operands.
553 * mips/mips.c (mips_move_2words): Add gprel handling.
555 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
557 * mips.md (extendsidi2): Allow extension to/from a non-mips16
560 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
562 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
565 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
567 * Makefile.in (WARN_CFLAGS): New variable.
568 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
570 1998-02-11 Mark Mitchell <mmitchell@usa.net>
572 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
573 falling through default case in switch.
574 (i386_aligned_p): Likewise.
576 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
578 * mips/mips.h (mips_abi_string): Correct typo in comment.
580 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
582 * mips/mips.md (movdi): These PLUS's need to be Pmode.
584 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
586 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
587 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
588 indirectly via expr.h.
590 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
592 * stor-layout.c (layout_type): Do upper - lower in the native type,
593 so as to properly handle negative indices.
595 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
597 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
598 (expand_eh_region_start_tree): Remove unused variable 'note'.
599 (exception_optimize): Remove unused variable 'regions'.
600 (expand_builtin_eh_stub): Remove unused variable 'temp'.
601 (copy_eh_entry): Deleted. Dead function.
603 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
604 'last' with same #if HAVE_load_multiple as use of it.
605 (move_block_from_reg): Likewise.
606 (emit_move_insn_1): Remove unused variable 'insns'.
607 (store_constructor): Bracket declaration of startb, endb with
608 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
609 'target', and 'xtarget'.
610 (expand_builtin_setjmp): Remove unused variables 'op0',
611 'next_arg_reg', 'old_inhibit_defer_pop'.
612 (expand_builtin): Remove unused variable 'offset'.
613 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
614 (emit_queue): Add parens for assignment used as conditional.
615 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
617 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
619 * i386.c: Added include for recog.h.
620 (override_options): Removed unused variable p. Initialized regno to
622 (order_regs_for_local_alloc): Initialized regno to avoid warning.
623 (legitimize_address): Likewise for 'other'.
624 (i386_aligned_reg_p): Added default case with abort ().
625 (print_operand): Likewise.
626 (reg_mentioned_in_mem): Likewise.
627 (ix86_expand_binary_operator): Removed unused variables i & insn.
628 (ix86_expand_unary_operator): Removed unused variable insn.
629 (output_fp_cc0_set): Removed unused variable unordered_label.
631 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
633 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
634 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
635 and format string match.
637 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
639 * flow.c (life_analysis): Do not conside the stack pointer live at
640 the end of a function if the fucntio ncalls alloca.
641 (mark_used_regs): Similarly.
643 1998-02-10 John F Carr <jfc@mit.edu>
645 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
646 1, fzero on alternative 8.
648 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
650 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
652 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
654 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
655 SUBREGs of CONST_INTs.
657 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
659 * mips.c (print_operand, function_prologue): Make printf format
662 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * alpha.c (alpha_return_addr): Remove unused variable `first'.
665 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
666 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
668 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
670 * loop.c (strength_reduce): When placing increment for auto-inc
671 case, do comparison in loop order.
673 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
675 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
678 * calls.c (expand_call): Change test of expand_inline_function
679 return value to stop compiler warning.
681 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
683 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
684 Jeff Law (law@cygnus.com)
686 * regmove.c: Fix various minor formatting problems.
687 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
688 is true. Make end of basic block tests consistent through regmove.c.
689 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
690 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
692 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
694 * gansidecl.h: Check for a conflicting macro definition before
695 attempting to prototype bcopy, bcmp or bzero.
697 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
699 * expr.c (clear_pending_stack_adjust): Handle case where a function
700 calls alloca, but the user has specified -fomit-fframe-pointer.
702 * function.c (assign_parms): Fix typo in last change.
704 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
706 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
708 (free_path_suffix): Remove unreferenced static function.
709 (process_command): Remove unused variable temp.
710 (default_arg): Remove unused variable i.
711 (do_spec_1): Add parens for assignment used as truth value.
713 (validate_all_switches): Likewise.
714 (main): Remove unused variables i, first_time>
716 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
718 * calls.c (expand_call): Remove unused variables funtree,
721 * dbxout.c, except.c: Include <string.h>/<strings.h>.
723 * explow.c: (plus_constant_for_output_wide) Removed unused
724 variable all_constant.
726 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
727 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
728 genrecog.c, global.c, integrate.c , stupid.c : Include
731 * genextract.c: (walk_rtx) Remove unused variable link.
733 * genrecog.c: (concat) Remove unreferenced static function.
735 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
737 * stmt.c: Include <stdlib.h>.
738 (expand_asm_operands): Remove unused variable val1.
739 (expand_return): Remove unused variable block.
740 (pushcase): Remove unused variables l and n.
741 (pushcaserange): Likewise.
743 * unroll.c (unroll_loop): Remove unused variable temp.
745 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
747 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
749 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
752 functions for whether they support the %p format specifier.
753 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
754 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
755 * configure, config.in: Rebuild.
757 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
759 * function.c (assign_parms): New variable named_arg, with value
760 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
762 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
764 * mips/t-r3900: New - same as t-ecoff but eliminate
765 multilibs: mips1 and mips3.
766 * configure.in (tx39*): Use new mips/t-r3900.
767 * configure: Rebuild.
768 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
770 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
772 * dwarf2out.c: Add old_args_size.
773 (dwarf2out_args_size): Use it.
774 (dwarf2out_begin_prologue): Initialize it.
775 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
776 pushed args until we see a call.
777 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
778 before outputting them.
780 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
782 * cplus-dem.c (demangle_template_template_parm): New function.
783 (demangle_template): Handle template template parameters.
785 1998-02-02 Mark Mitchell <mmitchell@usa.net>
787 * calls.c (expand_call): Don't confuse member functions named
788 realloc, setjmp, and so forth with the standard library
789 functions of the same names.
791 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
793 * stmt.c (expand_asm_operands): Correctly identify asm statements
796 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
798 * c-common.c (decl_attributes): Flag unrecognized attribute
799 functions as warnings instead of as errors.
801 1998-02-05 Marc Lehmann <pcg@goof.com>
803 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
804 when -Os is specified.
805 * toplev.c (main): Don't disable flag_inline_functions anymore when
808 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
811 * flags.h (flag_regmove): Declare.
812 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
813 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
814 Moved into regmove; changed caller.
815 * toplev.c (rest_of_compilation): Call regmove_optimize also for
816 expensive_optimizations.
818 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
820 * version.c: Bump for snapshot.
822 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
823 Undo this change (the problem was actually in reload):
824 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
826 * sh.md (movqi_i+1): New peephole.
828 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
830 * jump.c (jump_optimize): Lose calls to modified_in_p they are
831 not needed anymore due to changes elsewhere in jump.c.
833 * jump.c (jump_optimize): Fix first arg to modified_in_p in
836 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
838 * expr.c (expand_builtin_setjmp): Accept two new arguments for
839 the labels to branch to on first and subsequent executions. Don't
840 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
841 and provide it with the jmp_buf. Use only one of
842 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
843 and provide the former with the target label.
844 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
845 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
846 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
847 insn to replace all of the normal nonlocal_goto code. Don't play
848 with __dummy. Correct arguments to nonlocal_goto.
849 * expr.h (expand_builtin_setjmp): Update prototype.
850 * except.c (start_dynamic_handler): When using builtin_setjmp,
851 generate more accurate flow information.
853 * alpha.md (nonlocal_goto_receiver_osf): Delete.
854 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
855 (builtin_longjmp, builtin_setjmp_receiver): New.
856 * sparc.md (update_return): Disambiguate unspec number.
857 (nonlocal_goto): Rearrange arguments to match caller in except.c.
858 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
860 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
861 (builtin_setjmp_setup*, builtin_longjmp): New.
863 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
865 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
867 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
869 * vmsconfig.com: Remove bytecode references.
871 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
873 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
874 -fno-sjlj-exceptions works for a target that defines
875 DWARF2_UNWIND_INFO as zero.
877 * regmove.c (fixup_match_1): Undo last change which removed some
878 "useless" code, and add a comment explaining this.
880 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
882 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
885 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
887 * makefile.vms: Remove bytecode references.
890 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
892 * jump.c (jump_optimize): Allow conditional loading of floating point
893 constants and constants from memory. Reinstalled modified_in_p tests.
895 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
897 * loop.c (get_condition): Handle sign-extended constants.
899 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
901 * expr.c (emit_push_insn): Add code to use movstrti if present.
903 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
904 and movstrqi as in emit_block_move ().
906 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
908 * config/m68k/x-next: Remove /NextDeveloper/Headers from
909 the directories to fixinclude - /usr/include is a link
910 to it and hence its contents are fixed by default.
912 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
914 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
916 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
918 * cccp.c (main): Predefine __VMS_VER on VMS.
920 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
922 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
923 * fold-const.c (size_int): Replace with
925 (make_bit_field_ref): Use bitsize_int for bit position.
926 * stor-layout.c (sizetype): Delete.
927 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
928 (layout_record, layout_union, layout_type):
929 Use bitsize_int for bit size.
930 (set_sizetype): New function.
931 (make_signed_type, make_unsigned_type): Use it.
932 * c-decl.c (init_decl_processing): Likewise.
933 * tree.h (size_int): Don't delcare, #define.
934 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
935 (set_sizetype): Declare.
936 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
938 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
939 Convert result to sizetype.
940 (really_start_incremental_init, push_init_level):
941 Set type of constructor_bit_index to sbitsizetype.
942 (push_init_level): Use unsigned arithmetic to determine padding.
943 (output_init_element): Likewise.
945 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
947 * combine.c (simplify_shift_const): Fix typo in last change.
949 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
951 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
952 is (truncate (lshiftrt)).
954 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
956 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
957 Make sure result winds up in TGT.
958 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
959 src to be other than DImode.
960 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
961 (alpha_expand_unaligned_store_words): Likewise.
962 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
963 that source and destination are separately optimized for alignment.
964 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
966 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
968 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
969 with handling of -32768.
971 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
973 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
974 shell variable argument instead of only hard coded functions.
975 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
977 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
978 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
979 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
980 declarations for bcopy, bcmp and bzero.
982 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
984 * gansidecl.h: If we have bcopy but don't declare it, then do so.
985 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
986 bzero, index and rindex if they aren't already present.
988 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
990 * toplev.c (close_dump_file): Wrap function prototype for
991 argument "func" in PROTO.
992 (dump_rtl): Likewise.
994 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
996 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
998 (output_function_epilogue): Omit epilogue if nothing drops through.
999 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1000 (registers_ok_for_ldd_peep): Likewise.
1001 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1002 (ultrasparc_adjust_cost): New function.
1003 (sparc_issue_rate): New function.
1004 * sparc.h (MASK_VIS, TARGET_VIS): New
1005 (MASK_V8PLUS, TARGET_V8PLUS): New.
1006 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1007 (TARGET_SWITCHES): Add vis and v8plus.
1008 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1009 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1010 (RTX_COSTS): Use TARGET_HARD_MUL
1011 (ADJUST_COST): Call ultrasparc_adjust_cost.
1013 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1014 of load & fp appropritely.
1015 (supersparc function units): Adjust for Haifa.
1016 (ultrasparc function units): Likewise.
1017 (get_pc_via_rdpc): All v9, not just arch64.
1018 (movdi_v8plus, movdi_v8plus+1): New.
1019 (adddi3_sp32+1): New.
1020 (subdi3_sp32+1): New.
1021 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1022 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1023 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1024 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1025 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1026 (ldd peepholes): Suppress for v9.
1027 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1028 (return_subsi): Revmove.
1030 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1032 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1033 save/restore MEM rtl.
1035 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1037 * configure.in: Check for declaration of abort.
1038 * acconfig.h: Corresponding changes.
1039 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1042 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1044 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1047 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1049 * version.c: Bump for snapshot.
1051 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1053 * configure.in: Check for atoq and atoll.
1054 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1055 proper routine for converting ascii into long long values.
1057 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1059 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1061 * vmsconfig.com: Remove bytecode references.
1063 * alpha/vms.h (PREFIX): Define.
1065 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1067 * am-alpha.h: Don't include alloca for OPEN_VMS.
1069 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1071 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1072 (GCC_INCLUDE_DIR): Define
1074 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1075 * makefile.vms: New file.
1077 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1079 * alpha.c (output_prolog): Output '.name' directive
1080 for minimal traceback information.
1082 * alpha.c (output_prolog): Don't prepend entry point symbols
1083 with '$' on OPEN_VMS.
1085 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1086 Jeffrey A Law (law@cygnus.com)
1088 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1091 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1093 * genemit.c (gen_exp): Likewise.
1094 * genpeep.c (match_rtx): Likewise.
1095 * genrecog.c (write_tree_1): Likewise.
1097 * c-lex.c (yyprint): Use proper format string based upon
1098 disposition of HOST_BITS_PER_WIDE_INT.
1099 (yylex): Put casts in right place for args to build_int_2.
1101 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1103 * combine.c: Fix typos in Jan27 changes.
1105 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1107 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1108 (LINK_SPEC): Likewise.
1109 (STARTFILE_SPEC): Likewise.
1111 1998-01-28 Mike Stump <mrs@wrs.com>
1113 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1115 * genattrtab.c (reload_completed): Define.
1117 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1120 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1122 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1123 SUBREG_REG if the word count is unchanged, also in the input reload
1124 case. Disable non-applicable sanity checks.
1126 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1128 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1130 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1132 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1134 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1136 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1137 is a TREE_VEC before trying to use it for baseclasses.
1138 (Chill uses the same field for a different purpose.)
1140 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1142 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1144 * config.sub: More accurate determination of HP processor types.
1146 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1148 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1149 prototype for `handle_sysv_pragma', and make it static. Add
1150 parentheses around assignment used as truth value.
1152 * combine.c (combine_instructions): Protect variable `prev' with
1154 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1155 (extract_left_shift): Add parentheses around operand of &.
1156 (merge_outer_ops): Avoid an empty body in an else-statement.
1157 (gen_rtx_combine): Remove unused variable `i'.
1159 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1160 function monstartup `void'. Likewise for internal_mcount. Add
1161 `static void' prototype for moncontrol. Reconcile sprintf format
1164 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1165 Make return type of function_arg_slotno explicitly `int'.
1166 (reg_unused_after): Add parentheses around assignment used as
1168 (save_regs): Add explicit braces to avoid ambiguous `else'.
1169 (function_arg_slotno): Add parentheses around && within ||.
1170 (function_arg_pass_by_reference): Likewise.
1171 (sparc_flat_output_function_prologue): Reconcile fprintf format
1174 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1175 assignment used as truth value.
1177 * cplus-dem.c: Include <stdlib.h>.
1178 (demangle_signature): Avoid an empty body in an else-statement.
1179 (do_type): Remove unused variable `lvl'.
1181 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1182 Include <string.h>/<strings.h>.
1183 (cpp_lex): Remove unused variable `namelen'.
1184 (cpp_lex): Explicitly declare `num_chars' as an int.
1186 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1187 <unistd.h> instead. Explicitly declare is_system_include
1189 (make_assertion): Remove unused variable `kt'.
1190 (cpp_expand_to_buffer): Hide variable `obuf'.
1191 (output_line_command): Remove unused variables, `line_end',
1192 `line_cmd_buf' and `len'.
1193 (macarg): Remove unused variable `arg_start'.
1194 (special_symbol): Remove unused variable `i'. Add parentheses
1195 around assignment used as truth value.
1196 (do_include): Remove unused variables `pcfname' and `retried',
1197 hide `pcf' and `pcfbuflimit'.
1198 (do_line): Remove unused variable `i'.
1199 (finclude): Hide variable `missing_newline'.
1200 (cpp_handle_options): Remove unused variable `j'.
1201 (read_token_list): Remove unused variable `eofp'.
1202 (cpp_error_with_line): Remove unused variable `i'.
1203 (cpp_warning_with_line): Likewise.
1204 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1205 (cpp_error_from_errno): Remove unused variable `i'.
1207 * cse.c (invalidate): Add parentheses around assignment used as
1209 (find_best_addr): Move declaration of variable `our_cost' inside
1210 the conditional macro where its used.
1211 (fold_rtx): Avoid an empty body in an if-statement.
1212 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1213 `this_insn_cc0' in macro HAVE_cc0.
1215 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1216 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1217 (output_uleb128): Likewise.
1218 (output_sleb128): Likewise.
1219 (output_cfi): Likewise.
1220 (output_call_frame_info): Remove unused variables `j', `fde_size'
1222 (comp_unit_has_inlines): Hide declaration as per rest of file.
1223 (size_of_line_prolog): Correct typo in prototype.
1224 (add_arange): Likewise.
1225 (output_aranges): Likewise.
1226 (add_name_and_src_coords_attributes): Likewise.
1227 (gen_array_type_die): Likewise.
1228 (gen_inlined_subroutine_die): Likewise.
1229 (equate_decl_number_to_die): Remove unused variable `i'.
1230 (print_die): Reconcile format vs. args in fprintf's.
1231 (print_dwarf_line_table): Likewise.
1232 (output_die): Likewise.
1233 (output_line_info): Likewise.
1234 (add_subscript_info): Avoid an empty body in an else-statement.
1235 (gen_subprogram_die): Remove unused variable `fp_loc'.
1237 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1238 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1239 macro. Protect `src_coords_attribute' prototype with
1240 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1241 prototype as in the rest of the file. Likewise for
1242 `output_pointer_type_die' and `output_reference_type_die'. Remove
1243 prototype for `type_of_for_scope'.
1244 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1245 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1247 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1248 (shorten_branches): Protect declaration of tmp_length with
1249 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1250 (profile_function): Protect declaration of `sval' and `cxt'
1251 variables with appropriate macros.
1252 (final_scan_insn): Likewise for `note' variable. Add explicit
1253 braces to avoid empty body in an if-statement.
1254 (output_asm_insn): Move variable `i' inside macro conditional
1255 where it is used. Add parentheses around assignment used as truth
1257 (asm_fprintf) Likewise, likewise.
1259 * fix-header.c (main): Remove unused variable `done'. Protect
1260 declaration of `i' with FIXPROTO_IGNORE_LIST.
1262 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1264 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1267 * profile.c: Include <string.h>/<strings.h>.
1268 (instrument_arcs): Remove unused variables `note', `inverted',
1269 `zero' and `neg_one'.
1270 (branch_prob): Avoid empty body in an if-statement.
1272 * regclass.c: Include <stdlib.h>.
1273 (reg_alternate_class): Explicitly declare parameter `regno'.
1275 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1276 parentheses around assignment used as truth value.
1277 (find_matches): Remove unused variables `output_operand' and
1279 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1281 * scan.c (sstring_append): Explicitly declare `count' as int.
1282 (scan_string): Explicitly declare parameter `init' as int.
1284 * sched.c: Include <stdlib.h>.
1285 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1286 (rank_for_schedule): Add parentheses around assignment used as
1288 (schedule_block): Likewise.
1289 (regno_use_in): Likewise.
1290 (schedule_insns): Remove unused variable `i'.
1292 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1293 (v_message_with_decl): Remove unused variable `n'.
1294 (botch): Explicitly declare parameter `s' as char *.
1295 (main): Add parentheses around assignment used as truth value.
1297 * tree.c (make_node): Protect the variable `kind' with the
1298 GATHER_STATISTICS macro.
1299 (real_value_from_int_cst): Move variable `e' inside conditional
1300 macro area where it is used.
1301 (tree_last): Add parentheses around assignment used as truth value.
1302 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1304 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1305 Protect variables `i', `total_nodes', and `total_bytes' with the
1306 GATHER_STATISTICS macro.
1308 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1310 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1311 some comments regarding use of dead_or_set_p.
1313 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1315 * fixincludes: Tweak fix for struct exception in math.h
1317 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1319 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1320 Change mode of registers used to add/sub from
1321 hard_frame_pointer_rtx from word_mode to Pmode.
1323 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1325 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1326 asm_output_aligned_bss() instead of asm_output_bss().
1328 * toplev.c (rest_of_compilation): Replace references to
1329 stack_reg_dump_file and dbr_sched_dump_file with references to
1332 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1334 * tlink.c (scan_linker_output): Call fclose() for opened files.
1336 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1338 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1339 compiling with -fpic -- we want to be able to override symbols
1341 (alpha_expand_block_move): Fix thinko in last change.
1343 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1344 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1345 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1347 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1349 * alpha.md (abssf, absdf): Revert last change.
1351 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1353 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1354 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1356 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1358 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1359 a CONST_INT into SFmode.
1361 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1363 * flags.h: New flag (optimize_size).
1364 * toplev.c (main): Parse -Os option and set optimize_space
1366 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1367 __OPTIMIZE_SIZE__ when compiling with -Os.
1368 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1369 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1370 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1372 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1374 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1376 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1377 stuff only if MCT_TEXT is #define'd.
1379 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1381 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1384 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1386 * toplev.c: Add -dM command line option to dump RTL after the
1387 machine dependent reorganisation pass, if there is one.
1388 Reorganise RTL dump code, so that only one file handle is
1391 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1393 * except.c (check_exception_handler_labels): Disable warning when
1396 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1398 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1400 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1402 * c-decl.c (grokdeclarator): Get parameter tags from
1403 last_function_parm_tags.
1404 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1405 traversing the parameter types.
1406 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1408 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1410 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1412 (get_shift_alg): Fix typo.
1414 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1416 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1418 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1420 * toplev.c (get_run_time): Make sure each case gets its variables.
1422 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1424 * configure.in (build_xm_file): Add auto-config.h if host=build.
1425 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1426 (build_xm_file_list): Likewise.
1427 * configure: Rebuild.
1429 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1431 * recog.c (validate_replace_rtx_1): Only perform substitutions
1432 of arguments to commutative and comparison operators once.
1434 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1436 * sparc.c (output_cbranch): Add default case in
1439 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1440 (emit_delay_sequence): Eliminate unused parameter, all callers
1442 (fill_simple_delay_slots): Likewise.
1443 (fill_slots_from_thread): Likewise.
1444 (fill_eager_delay_slots): Likewise.
1445 (mark_referenced_resources): Add default case in enumeration switch.
1446 (mark_set_resources): Likewise.
1447 (rare_destination): Likewise.
1448 (mostly_true_jump): Likewise.
1449 (find_dead_or_set_registers): Likewise.
1450 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1451 (update_reg_unused_notes): Remove unused variable `p'.
1452 (mark_target_live_regs): Remove unused variables `next' and
1454 (fill_simple_delay_slots): Remove unused variable `j'.
1455 (fill_slots_from_thread): Add parentheses around assignment used
1457 (dbr_schedule): Likewise.
1459 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1460 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1462 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1464 * cse.c (simplify_ternary_operation): Don't try to simplify
1465 IF_THEN_ELSE expressions (created by combine) that don't use
1466 relational operators.
1468 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1470 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1473 * crtstuff.c (init_dummy): Keep the epilogue in the init
1474 section for non-ELF systems.
1476 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1478 * sh.md (movqi_i+1): New peephole.
1480 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1482 * Makefile.in: Remove remaining bytecode stuff.
1483 * emit-rtl.c, expr.c: Likewise.
1485 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1487 * toplev.c (lang_options): Add unknown-pragma options.
1489 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1491 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1492 special (and incomplete) handling for Chill arrays.
1494 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1496 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1499 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
1501 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
1503 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
1505 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
1506 .frame directive instead of FRAME_POINTER_REGNUM.
1508 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
1510 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
1511 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
1512 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
1513 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
1514 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
1515 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
1516 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1517 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1519 * longlong.h: Replace __mc68332__ with __mcpu32__.
1521 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
1523 * version.c: Bump for snapshot.
1525 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
1527 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
1528 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
1529 * reload1.c (eliminate_regs): Likewise.
1531 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
1533 * regmove.c (find_matches): Initialize matches->earlyclobber too.
1535 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
1537 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
1538 (negsf2, negdf2): Use proper subtract in IEEE mode.
1540 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
1542 * Makefile.in: Remove more bytecode stuff.
1543 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
1544 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
1545 * f/install.texi, objc/Make-lang.in: Likewise.
1547 * Makefile.in: Remove all bytecode support.
1548 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
1549 * emit-rtl.c: Remove all bytecode support.
1550 * expr.c, expr.h function.c, integrate.c: Likewise.
1551 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
1552 * tree.h, varasm.c: Likewise.
1553 * config/m68k/m68k.h: Likewise.
1554 * bi-*, bc-*, bytecode*: Delete bytecode related files.
1555 * modemap.def: Likewise.
1557 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
1559 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
1560 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
1562 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
1564 * i386.md (push): Prohibit symbolic constants if flag_pic.
1565 (movsi+1): Likewise for move to non-register.
1567 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
1569 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
1570 (print_operand): Handle 0xffffffff on 32 bit host.
1572 * configure.in (thread_file): Rename uses before main loop to
1573 target_thread_file. Initialize to empty in main loop. Set thread_file
1574 to target_thread_file after main loop if not set.
1575 * configure: Rebuild.
1577 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
1578 (add_values_to_cover): Revert last change (which had no ChangeLog
1580 (simplify_with_current_value_aux): Handle CONST_INT.
1582 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1584 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
1586 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
1588 * configure.in: Add cpp stringify test.
1589 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
1590 * gengenrtl.c: Use it.
1591 * configure, config.in: Rebuild.
1593 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1595 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
1597 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
1599 * configure.in: Find declaration for sbrk.
1600 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
1601 * config.in, configure: Rebuild.
1602 * mips-tfile.c: Properly protect declaration of sbrk and free.
1603 * toplev.c: Properly protect declaration of sbrk.
1605 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
1607 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
1609 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
1611 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
1613 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
1615 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
1617 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
1619 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
1620 constant offset computations from objects with known alignment in
1621 the presence of STACK_BIAS.
1623 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
1625 (const_hash): Hash val is unsigned long.
1626 (SYMHASH): Likewise.
1628 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
1630 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
1631 char pointer, not HOST_WIDE_INT.
1632 (print_node): Likewise. Also hash is unsigned long not
1635 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
1637 * explow.c (optimize_save_area_alloca): New function for targets
1638 where SETJMP_VIA_SAVE_AREA is true.
1639 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
1640 compute the amount of stack space needed should we find later that
1641 setjmp is never called by this function, stuff rtl for this inside
1642 a REG_NOTE of the final SET of stack_pointer_rtx.
1643 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
1644 current_function_calls_alloca, call optimize_save_area_alloca.
1646 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
1648 * i386.md: Remove redundant integer push patterns.
1649 Don't bother checking for TARGET_PUSH_MEMORY when
1650 pushing constants or registers.
1652 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1653 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
1655 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
1656 (pwait): New function for mingw32.
1658 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
1659 pipe support is broken for now.
1661 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
1663 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
1664 between frame_pointer_rtx, hard_frame_pointer_rtx, and
1665 arg_pointer_rtx is respected in initialization.
1666 (init_emit_once): Use gen_rtx_raw_REG() to create
1667 return_address_pointer_rtx.
1669 * reorg.c: #include "expr.h" for rtx prototypes.
1670 * Makefile.in (reorg.o): Depend on expr.h
1672 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
1674 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
1675 local_prefix to sub-make invocations.
1677 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
1679 * objc-parse.c: Recognize protocol qualifiers in class definitions.
1681 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
1685 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
1686 * configure.in: Check for atol.
1687 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
1689 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1691 * loop.c (find_and_verify_loops): When attempting to move insns from
1692 inside the loop outside the loop, create a BARRIER if no suitable
1695 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1696 favor of an equivalent change from gcc-2.8.
1698 * i386/x-sco5 (CC): Remove trailing whitespace.
1700 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1702 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1703 (accessor_from_format): Likewise.
1704 (xmalloc): New function for use when linking with alloca.o.
1706 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1708 * frame.c (find_fde): Correct FDE's upper bound.
1710 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1712 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1714 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1716 * calls.c (expand_call): Move #ifdef code out of macro argument
1718 (emit_library_call, emit_library_call_value): Likewise.
1720 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1722 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1724 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1726 * version.c: Bump for snapshot.
1728 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1730 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1731 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1732 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1733 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1734 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1735 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1736 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1737 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1738 * unroll.c, varasm.c: Likewise.
1739 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1741 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1743 * mips.h: Fix some type-o's from a previous change.
1745 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1747 * loop.c (check_dbra_loop): Make sure initial value is a
1748 CONST_INT before trying to normalize it.
1750 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1752 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1754 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1756 * cppexp.c: Include gansidecl.h
1758 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1760 * svr4.h (LINK_SPEC): Never specify -h.
1761 * ptx4.h (LINK_SPEC): Likewise.
1762 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1763 * sparc/sol2.h (LINK_SPEC): Likewise.
1765 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1767 * c-typeck.c (comptypes): Exit early on NULL input.
1769 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1770 dependencies after reload.
1772 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1774 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1776 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1778 * alpha/vms.h (DIR_SEPARATOR): define
1780 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1782 * Makefile.in (stamp-proto): Remove.
1783 (protoize.o, unprotoize.o): Straightforward compile.
1784 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1786 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1788 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1789 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1791 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1793 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1794 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1795 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1797 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1799 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1801 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1803 * configure.in (target_cpu_default, target_cpu_default2): Use double
1804 quotes around them when testing their value.
1805 * configure: Rebuilt.
1807 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1809 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1811 (gendef): Call obstack_alloc_rtx.
1813 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1815 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1818 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1820 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1821 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1822 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1824 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1826 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1828 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1830 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1833 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1835 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1836 suffix from operand 3.
1838 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1839 Jeffrey A Law (law@cygnus.com)
1841 * regmove.c: New implementation of regmove pass.
1842 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1843 decls, make them have external linkage. Return a value from
1844 optimize_reg_copy_1.
1845 * reload.h (count_occurrences): Add decl.
1846 * reload1.c (count_occurrences): Delete decl, make it have external
1848 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1850 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1852 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1853 if it is not defined.
1855 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1857 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1858 * emit-rtl.c (gen_rtx): Move special code to ...
1859 (gen_rtx_CONST_INT): New function.
1860 (gen_rtx_REG): New function.
1861 (*): Update all calls to gen_rtx.
1862 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1863 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1864 (GEN_INT): Call gen_rtx_CONST_INT.
1865 * gengenrtl.c: New file.
1867 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1869 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1870 (base_alias_check): If no base found for address call canon_rtx and
1873 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1875 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1876 arguments for mips16.
1877 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1878 Don't lose if tsize is zero after handling large stack for mips16.
1879 * mips.md (return): For trivial return, return address is in $31.
1881 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1883 * mips/mips16.S: Various changes to make it work with -msingle-float
1886 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1887 Ian Lance Taylor <ian@cygnus.com>
1888 Jeff Law <law@cygnus.com>
1890 * mips.c, mips.h, mips.md: First cut at merging in mips16
1891 support. Major modifications throughout all three files.
1893 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1895 * configure.in: Make gthr-default.h a forwarding header instead of
1898 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1902 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1904 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1905 Jeffrey A Law (law@cygnus.com)
1907 * crtstuff.c (__frame_dummy): New function for irix6.
1908 (__do_global_ctors): Call __frame_dummy for irix6.
1909 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1911 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1913 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1915 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1917 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1918 for __builtin_memset.
1919 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1920 not INTEGER_CST. Assert arg 3 is a constant.
1922 * alpha.c (mode_width_operand): Accept 64-bit modes.
1923 (mode_mask_operand): Likewise.
1924 (print_operand): Likewise for 'M' and 'U' codes.
1925 (alpha_expand_unaligned_load): New function.
1926 (alpha_expand_unaligned_store): Likewise.
1927 (alpha_expand_unaligned_load_words): Likewise.
1928 (alpha_expand_unaligned_store_words): Likewise.
1929 (alpha_expand_block_move): Likewise.
1930 (alpha_expand_block_clear): Likewise.
1931 * alpha.h (MOVE_RATIO): New define.
1932 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1933 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1935 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1936 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1938 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1940 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1941 * configure: Update.
1943 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1945 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1946 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1948 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1951 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1953 * configure.in: Set and subsitute host_exeext. Use it when creating
1954 the assembler and linker symlinks.
1955 * configure: Rebuild.
1956 * Makefile.in (exeext): Set to @host_exeext@.
1957 (build_exeext): New variable, set to @build_exeext@.
1958 (FLAGS_TO_PASS): Pass down build_exeext.
1959 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1962 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1964 * mn10200.md (addsi3, subsi3): Fix thinkos.
1966 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1968 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1969 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1970 unix always, since we want to be able to thunk to functions in a
1971 shared library from an application.
1973 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1975 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1976 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1978 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1980 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1981 offset's mode is not ptr_mode, convert it.
1983 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1985 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1986 compiling if it was already defined.
1988 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1990 * flow.c (find_basic_blocks): Don't create a new basic block
1991 for calls in a LIBCALL block.
1993 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1995 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1997 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1999 * cse.c (rtx_cost): Remove conflicting default case.
2001 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2003 * configure.in: Move default enabling of Haifa out of for loop.
2004 * configure: Rebuild.
2006 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2008 * version.c: Bump for snapshot.
2010 1997-12-25 Teemu Torma <tot@trema.com>
2012 * Makefile.in (GTHREAD_FLAGS): New var.
2013 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2014 (distclean): Remove gthr-default.h.
2016 * configure.in: Accept dce as a thread package.
2017 Check for thread.h and pthread.h.
2018 Link gthr-default.h to appropriate thread file and set
2020 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2021 include multilib definitions from pa/t-dce-thr.
2022 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2023 pthread.h is found, preferring posix threads over solaris ones.
2025 * config/pa/t-dce-thr: New file.
2026 * config/pa/t-pa: Removed multilibs.
2027 * config/sparc/t-sol2: Ditto.
2030 * gthr-single.h: New file.
2031 * gthr-posix.h: New file.
2032 * gthr-solaris.h: New file.
2033 * gthr-dce.h: New file.
2034 * libgcc-thr.h: Removed.
2035 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2037 * frame.c: Include gthr.h instead of libgcc-thr.h.
2038 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2039 (eh_context_initialize): If __gthread_once fails, use static eh
2041 (eh_context_free): Call __gthread_key_dtor.
2043 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2045 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2047 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2049 * cse.c (max_insn_uid): New variable.
2050 (cse_around_loop): Use max_insn_uid.
2051 (cse_main): Set max_insn_uid.
2053 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2054 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2055 -mlong64, and -mgp{32,64} options.
2056 * mips.c (mips_abi): Change type to int.
2057 * mips.h (enum mips_abi_type): Delete.
2058 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2059 (mips_abi): Change type to int.
2061 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2063 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2064 optimization is now always enabled.
2066 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2069 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2071 (*_dependence): Call canon_rtx before base_alias_check.
2072 (init_alias_once): New function to precompute set of registers which
2073 can hold Pmode function arguments.
2075 * rtl.h: Declare init_alias_once.
2077 * toplev.c (compile_file): Call init_alias_once.
2079 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2081 * tree.c (restore_tree_status): Do not dereference a null pointer.
2083 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2085 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2086 RLIMIT_STACK. This maintains consistency with the recent, similar
2087 patch to cccp.c and toplev.c.
2089 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2091 * genattrtab.c (expand_units): For large nr opclasses, expand
2092 function_units_used with ORX to prevent blowups. Tag with FFS.
2093 (num_unit_opclasses): New variable.
2094 (gen_unit): Update it.
2095 (enum operator): Add ORX_OP.
2096 (operate_exp): Treat ORX as or, except don't expand across an if.
2097 Reuse number rtx's after operating on them.
2098 (check_attr_value): Accept IOR, AND, & FFS.
2099 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2100 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2101 (write_expr_attr_cache, write_toplevel_expr): New functions.
2102 (write_attr_get): Handle FFS-tagged expressions.
2103 (make_canonical): Don't expand const attributes.
2104 (convert_const_symbol_ref): Dike out.
2105 (evaluate_eq_attr): Handle SYMBOL_REF.
2106 (main): Don't emit get_attr_foo for const attributes.
2108 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2109 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2110 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2111 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2112 combining function units where possible.
2113 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2114 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2115 (attr "opsize"): New attribute.
2116 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2117 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2118 to control register allocation.
2119 (movsi2-1, movdi2-1): Likewise.
2121 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2123 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2124 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2125 Move OSF/1 specific defines out.
2126 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2127 Move Linux specific defines out.
2128 (LINK_SPEC): Genericize.
2129 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2130 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2131 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2132 (HANDLE_SYSV_PRAGMA): Define.
2133 * alpha/osf.h: New file.
2134 * alpha/linux.h: Split. Retain file-format independant defines.
2135 Import Linux bits from elf.h.
2136 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2137 (FUNCTION_PROFILER): _mcount takes its address in $28.
2138 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2139 * alpha/linux-ecoff.h: New file.
2140 * alpha/linux-elf.h: New file.
2141 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2142 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2143 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2144 Add new headers as appropriate.
2146 * configure.in (alpha*): Enable Haifa by default.
2147 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2148 * configure: Rebuild.
2150 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2152 * Makefile.in (clean): Remove the stages with their objects here ...
2153 (distclean): ... instead of here.
2155 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2157 * cse.c (rtx_cost): Add default case in enumeration switch.
2158 * fix-header.c (recognized_macro): Likewise.
2159 (recognized_extern): Likewise.
2160 (write_rbrac): Likewise.
2161 * objc/objc-act.c (encode_aggregate): Likewise.
2162 (gen_declarator): Likewise.
2163 (gen_declspecs): Likewise.
2165 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2167 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2168 case where we kill more regs after sched than were killed before
2170 * sched.c (create_reg_dead_note): Similarly.
2172 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2174 * c-pragma.c: Include flags.h.
2176 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2178 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2179 about system headers.
2180 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2181 and also to resolve symbols in prefix.c.
2183 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2184 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2185 when the definitions in auto-config.h is not visible.
2186 (HAVE_BZERO): Likewise.
2187 (HAVE_BCMP): Likewise.
2188 (HAVE_RINDEX): Likewise.
2189 (HAVE_INDEX): Likewise.
2191 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2193 * pa.c (emit_move_sequence): Handle a function label source
2196 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2198 * c-pragma.c (handle_pragma_token): Generate warning messages
2199 about unknown pragmas if warn_unknown_pragmas is set.
2201 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2202 line option to set variable: warn_unknown_pragmas.
2204 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2206 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2208 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2210 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2212 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2213 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2214 generate more fine grained floating point emulation libraries.
2215 * config/fp-bit.c: Add protecting #ifdef to all functions so
2216 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2217 then compile all suitable functions.
2218 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2219 underscores to avoid namespace pollution.
2220 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2222 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2226 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2227 Jeff Law <law@cygnus.com>
2229 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2231 * c-decl.c (finish_decl): Use parentheses around && within ||.
2232 * rtl.c: Include stdlib.h.
2233 (read_skip_spaces): Add parentheses around assignments used as
2235 (read_rtx): Initialize list_rtx.
2236 * cppexp.c (parse_number): Use || when operands are truth values.
2237 * alias.c (find_base_value): Add default case.
2238 (memrefs_conflict): Likewise.
2239 * combine.c (sets_function_arg_p): Likewise.
2240 * genemit.c (gen_exp): Likewise.
2241 * local-alloc.c (contains_replace_regs): Likewise.
2242 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2243 * fold-const.c (fold_convert): Use "&&" for truth values.
2244 (fold): Add default case.
2245 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2246 (sdbout_one_type): Add default case.
2247 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2248 (some_operand): Add default case.
2249 (input_operand): Likewise.
2250 (signed_comparison_operator): Likewise.
2251 (divmod_operator): Likewise.
2252 (alpha_set_memflags_1): Likewise.
2253 * reload1.c (reload_cse_simplify_operands): Ensure function
2254 always returns a value.
2255 * scan-decls.c (scan_decls): Likewise.
2256 * c-lex.c (skip_white_space): Fix typo in declaraion.
2257 * c-typeck.c (comp_target_types): Add parentheses around assignment
2258 used as truth value.
2259 (print_spelling): Likewise.
2260 (constructor_implicit, constructor_result): Remove unused variables.
2261 * collect2.c (scan_library): Protect prototype with
2262 #ifdef SCAN_LIBRARIES.
2263 * emit-rtl.c (find_line_note): Fix typo in declaration.
2264 * final.c (asm_insn_count): Protect prototype with
2265 #ifdef HAVE_ATTR_length.
2266 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2267 (try_pre_increment_1, try_pre_increment): Likewise.
2268 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2269 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2270 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2271 unsigned/signed comparisons.
2272 * gcov.c (read_files): Remove unused "first_type" variable.
2273 (scan _for_source_files): Initialize s_ptr.
2274 (function_summary): Eliminate "%lf" formatting, use %ld for
2276 (output_data): Initialize branch_probs and last_line_num.
2277 Eliminate "%lf" formatting, use "%ld" for longs.
2279 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2281 * mips16.S: New file.
2283 * libgcc2.c (varargs): Handle mips16.
2285 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2287 * stmt.c (expand_end_case): Likewise.
2288 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2289 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2290 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
2292 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2294 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2295 the build directory.
2296 (libobjc.a): Update dependency list.
2297 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2299 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2300 (objc.mostlyclean): Remove runtime-info.h.
2302 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2304 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2305 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2306 * dwarf2out.c (add_subscript_info): Likewise.
2307 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2308 * sdbout.c (plain_type_1): Likewise.
2309 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2311 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2314 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2316 * mips.c (fatal): Remove declaration.
2318 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2320 * integrate.c (get_label_from_map): New function.
2321 (expand_inline_function): Use it. Initialize the label_map to
2322 NULL_RTX instead of gen_label_rtx.
2323 (copy_rtx_and_substitute): Use get_label_from_map.
2324 * integrate.h (get_label_from_map): New function.
2325 (set_label_from_map): New macro.
2326 * unroll.c (unroll_loop): Use them.
2327 (copy_loop_body): Ditto.
2329 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2331 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2332 (INIT_TARGET_OPTABS): Define.
2333 * mips/ecoff.h: Include gofast.h before mips.h.
2334 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2335 * mips/elf64.h: Likewise.
2336 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2338 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2340 * except.c: Remove register_exception_table{,_p}.
2342 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2344 * unroll.c (calculate_giv_inc): Handle constant increment found in
2345 a MEM with an appropriate REG_EQUAL note.
2347 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2349 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2350 frame pointer in the prologue.
2352 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2354 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2355 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2357 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2359 * config/m68k/m68k.c (output_function_prologue): Typecast
2360 dwarf2out_cfi_label to (char *).
2361 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2363 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2365 * sparc.md (jump): Don't use the annul bit around an empty loop.
2366 Patch from Kevin.Kelly@East.Sun.COM.
2368 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2370 * jump.c: (jump_optimize): Don't use the return register as a
2371 source1 of a conditional move.
2373 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2375 * sparc.c (DF_MODES): Or the mask not the bit number.
2376 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2378 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2380 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2382 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2384 * fixincludes (size_t): Add support for Motorola's stdlib.h
2385 which fails to provide a definition for size_t.
2386 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2387 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2388 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2390 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2391 prevent unresolved externals in libio.
2392 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2394 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2396 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2397 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2398 (LIB_SPEC): Updated for glibc 2.
2400 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2402 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2403 * ginclude/varargs.h: Likewise.
2405 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2407 * version.c: Bump for snapshot.
2409 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2411 * frame.h (__register_frame, __register_frame_table,
2412 __deregister_frame): New.
2413 * frame.c (__register_frame, __register_frame_table,
2414 __deregister_frame): New.
2415 * frame.c (__deregister_frame_info): Return void *.
2416 * frame.h (__deregister_frame_info): Ditto.
2417 * collect2.c (__deregister_frame_info): Ditto.
2419 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2421 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2423 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2425 * alpha.c (alpha_cpu_name): New variable.
2426 (alpha_mlat_string): Likewise.
2427 (alpha_memory_latency): Likewise.
2428 (override_options): Handle -mmemory-latency.
2429 (alpha_adjust_cost): Adjust load cost for latency.
2430 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2431 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2432 TARGET_CIX into account.
2433 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2434 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2436 * alpha.h (ASM_COMMENT_START): New macro.
2438 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2440 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2441 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2443 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2444 SUBREG_REG if the word count is unchanged.
2445 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2446 subregs of identical word size for push_reload.
2448 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2450 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2451 if all we're doing is dealing with -Wreturn-type.
2453 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2455 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2456 Use and 255 instead of zapnot 1, since it schedules better.
2458 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2460 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2463 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2465 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2466 dependency we delete. Properly update prev for multiple consecutive
2468 (priority): Skip deleted dependence.
2470 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2472 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2474 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2476 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2477 determining when a new basic block starts.
2479 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2481 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2482 * pa.md (iorsi3): Add missing args to *_operand calls.
2484 * except.c (call_get_eh_context): Don't mess with sequences.
2485 (emit_eh_context): Include the call in the sequence here.
2487 1997-12-11 Paul Eggert <eggert@twinsun.com>
2489 * collect2.c (write_c_file_glob): Allocate initial frame object
2490 in static storage and pass its address.
2492 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2494 * except.c (call_get_eh_context): Don't take a parm.
2495 Put the call at the top of the function.
2496 (emit_eh_context): Adjust.
2497 (get_eh_context): Replace with former use_eh_context.
2498 (get_eh_context_once, get_saved_pc_ref): Remove.
2499 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
2501 * integrate.c (expand_inline_function): Adjust.
2502 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
2504 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
2506 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
2507 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
2509 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
2511 * fixincludes (strlen,strspn,strcspn return value): Handle different
2513 (hypot): Provide a fake for hypot which is broken on
2514 m88k-motorola-sysv3.
2516 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
2518 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
2519 tree_code_name from pointers to arrays.
2520 * tree.c: Remove standard_tree_code_* variables, no longer used.
2521 * print-tree.c: Remove declaration of tree_code_name.
2523 * cp/lex.c (init_lex): Update for tree_code_* changes.
2524 * objc/objc-act.c (init_objc): Likewise.
2526 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
2529 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
2531 * config.sub: Add support for BeOS target.
2532 * configure.in: Likewise.
2533 * ginclude/stdarg.h: Likewise.
2534 * ginclude/stddef.h: Likewise.
2535 * ginclude/varargs.h: Likewise.
2536 * rs6000/beos.h: New file for BeOS.
2537 * rs6000/t-beos: Likewise.
2538 * rs6000/x-beos: Likewise.
2539 * rs6000/xm-beos.h: Likewise.
2540 * toplev.c (get_run_time): Just return 0 on BeOS.
2542 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
2543 Toon Moene (toon@moene.indiv.nluug.nl)
2545 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
2546 old and broken Sun3 assemblers. Newer versions handle large
2547 offsets correctly as does the GNU assembler.
2549 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2551 * objc/objc-act.c (lang_report_error_function): Disable.
2552 * objc/objc-parse.y: Include "output.h".
2553 (yyerror): Remove redundant decl.
2554 (yyprint): Fix prototype.
2555 (apply_args_register_offset): Remove redundant decl.
2556 (get_file_function_name): Likewise.
2558 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2560 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
2562 (find_basic_blocks_1): Likewise.
2564 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2566 * except.c (use_eh_context): Don't copy_rtx a REG.
2567 (emit_throw): Lose old unwinder support.
2568 (expand_internal_throw): Likewise.
2569 * libgcc2.c (struct eh_context): Likewise.
2570 (new_eh_context): Likewise.
2571 (__get_eh_info): Lose redundant cast.
2572 (__get_dynamic_handler_chain): Likewise.
2573 (__get_saved_pc): Lose.
2574 Lose all old unwinder support code.
2576 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
2578 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
2580 * integrate.c (expand_inline_function): If the inline fn uses eh
2581 context, make sure that the current fn has one.
2582 * toplev.c (rest_of_compilation): Call emit_eh_context.
2583 * except.c (use_eh_context): New fn.
2584 (get_eh_context_once): New fn.
2585 (call_get_eh_context): New fn.
2586 (emit_eh_context): New fn.
2587 (get_eh_context): Call either get_eh_context_once or
2588 call_get_eh_context, depending on what we have.
2589 (get_dynamic_handler_chain): Call get_eh_context_once.
2590 * except.h: Prototypes for fns above.
2591 * optabs.c (get_eh_context_libfunc): Removed.
2592 (init_optabs): Don't initialize it.
2593 * expr.h (get_eh_context_libfunc): Removed.
2594 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
2595 * config/pa/pa.h (CPP_SPEC): Support for -threads.
2596 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
2597 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
2598 New multilib for -threads.
2599 * config/sparc/t-sol2: Added multilibs for -threads and
2600 made -pthreads alias to it.
2601 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
2602 Added -threads and -pthreads options.
2603 * libgcc-thr.h: New file.
2604 * libgcc2.c: (__get_cpp_eh_context): Removed.
2605 (struct cpp_eh_context): Removed.
2606 (struct eh_context): Replaced cpp_eh_context with generic language
2608 (__get_eh_info): New function.
2609 (__throw): Check eh_context::info.
2611 * libgcc2.c: Include libgcc-thr.h.
2612 (new_eh_context, __get_eh_context,
2613 eh_pthread_initialize, eh_context_initialize, eh_context_static,
2614 eh_context_specific, eh_context_free): New functions.
2615 (get_eh_context, eh_context_key): New variables.
2616 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
2617 get_eh_context to get the context.
2618 (longjmp): Move the declaration inside
2619 #ifdef DONT_USE_BUILTIN_SETJMP.
2620 * frame.c: Include libgcc-thr.h.
2621 (object_mutex): Mutex to protect the object list.
2622 (find_fde, __register_frame, __register_frame_table,
2623 __deregister_frame): Hold the lock while accessing objects.
2624 * except.h (get_eh_context): Declare.
2625 * except.c (current_function_ehc): Define.
2626 (current_function_dhc, current_function_dcc): Removed.
2627 (get_eh_context): New function.
2628 (get_dynamic_handler_chain): Use get_eh_context.
2629 (get_saved_pc_ref): Ditto.
2630 (get_dynamic_cleanup_chain): Removed references to
2631 current_function_dcc.
2632 (save_eh_status, restore_eh_status): Save and restore
2633 current_function_ehc instead.
2634 * optabs.c (get_eh_context_libfunc): New variable.
2635 (init_optabs): Initialize it.
2636 * expr.h: Declare get_eh_context_libfunc.
2637 * function.h (struct function): Replaced dhc and dcc with ehc.
2638 * except.c (get_saved_pc_ref): New functions.
2639 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
2640 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
2642 (end_eh_unwinder): Likewise.
2643 (init_eh): Remove initialization of eh_saved_pc.
2644 * optabs.c (get_saved_pc_libfunc): New variable.
2645 (init_optabs): Initialize it.
2646 * expr.h: Declare get_saved_pc_libfunc.
2647 * except.h (eh_saved_pc_rtx): Deleted.
2648 (get_saved_pc_ref): Declared.
2650 From Scott Snyder <snyder@d0sgif.fnal.gov>:
2651 * libgcc2.c (__get_saved_pc): New.
2652 (__eh_type, __eh_pc): Deleted.
2653 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
2654 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
2657 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
2659 * sparc/sol2.h: Use 64 bit multiply and divide functions in
2660 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
2663 * rtl.h (global_rtl): New variable, replacing separate variables for
2665 (const_int_rtx): Now array of rtx_def, not rtx.
2666 * emit-rtl.c: Update for new rtl data structures.
2667 * genattrtab.c: Define global_rtl.
2669 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
2671 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
2674 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
2676 * crtstuff.c (__do_global_ctors): Fix typo.
2678 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
2680 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2681 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2683 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
2685 * rs6000.h (FUNCTION_ARG_PADDING): Define.
2686 * rs6000.c (function_arg_padding): New function.
2688 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
2690 * m68k.c: Include tree.h only once.
2692 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2694 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2696 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2698 * Partially cleaned up prototyping code from HJ.
2699 * tree.h: Add many prototypes.
2700 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2701 All references changed.
2702 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2704 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2706 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2707 string functions like strlen.
2709 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2711 * configure.in: Check for functions getrlimit and setrlimit.
2712 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2713 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2715 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2717 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2719 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2721 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2724 * alpha.c (override_options): Don't know about scheduling for EV6.
2725 * alpha.md (ev5 function units): Don't overload as ev6.
2727 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2728 * alpha.md (define_attr type): Add mvi.
2729 (ev5_e0): Define sceduling parameters for it.
2730 (TARGET_MAX insns): Type is mvi not shift.
2732 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2734 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2736 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2738 * cstamp-h, auto-config.h: Delete.
2740 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2742 * version.c: Bump for snapshot.
2744 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2746 * cccp.c: Fix typo brought over in merge.
2748 * Merge in changes from gcc-2.8.
2750 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2752 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2754 * gcc.c (process_command): Do not take address of function fatal when
2755 calling lang_specific_driver.
2757 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2759 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2760 doesn't work with it yet, so set it to 0.
2761 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2763 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2765 * cse.c (cse_insn): Check for invalid entries when taking references.
2767 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2769 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2770 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2771 * toplev.c (rest_of_compilation): Pass it. Remove code to
2772 save / clear / restore flag_unroll_{,all_}loops.
2774 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2776 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2778 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2780 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2782 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2784 * except.c (get_dynamic_handler_chain): Only make the call once per
2787 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2789 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2791 * sh.c (final_prescan_insn): Use local label prefix
2792 when emitting .uses pseudo-ops.
2794 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2796 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2797 * except.c: Lose outer_context_label_stack.
2798 (expand_eh_region_end): Rethrow from outer_context here.
2799 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2800 (expand_internal_throw): Take no args.
2801 (expand_internal_throw_indirect): Lose.
2802 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2803 (expand_start_all_catch): Start a rethrow region.
2804 (expand_end_all_catch): End it.
2805 (expand_rethrow): New fn.
2806 * except.h: Reflect above changes.
2807 * flow.c: Revert change of Nov 27.
2809 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2811 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2813 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2815 * except.c (expand_fixup_region_end): New fn.
2816 (expand_fixup_region_start): Likewise.
2817 (expand_eh_region_start_tree): Store cleanup into finalization here.
2818 * stmt.c (expand_cleanups): Use them to protect fixups.
2820 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2822 * mips/mips.md (muldi3_r4000): Broaden the output template
2823 and attribute assignments to handle three operand dmult;
2824 rename to muldi3_internal2.
2825 (muldi3): Call the new muldi3_internal2 for R4000, and
2826 any GENERATE_MULT3 chip.
2828 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2830 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2832 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2834 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2835 with a dest_reg that was created by loop.
2837 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2839 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2841 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2843 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2845 * configure.in: Fix NCR entries.
2847 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2849 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2850 nested exceptions correctly.
2852 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2853 that was created by loop.
2855 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2857 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2859 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2861 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2863 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2864 (print_operand): Use SMALL_DATA_REG for the register involved in
2865 small data relocations.
2866 (print_operand_address): Ditto.
2868 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2869 -dynamic linker is not used.
2871 * rs6000.md (call insns): For local calls, use @local suffix under
2872 System V. Don't use @plt under Solaris.
2874 * rs6000.c (output_function_profiler): Put label address in r0, and
2875 store LR in 4(sp) for System V/eabi.
2877 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2878 byte boundary, and maintain stack backchain.
2880 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2882 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2883 fix_truncsfdi2): Change *.
2885 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2887 * toplev.c (main): Complain about -gdwarfn.
2889 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2891 * dwarfout.c (output_type): If finalizing, write out nested types
2892 of types we've already written.
2894 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2896 (patches originally from Geoffrey Keating)
2897 * rs6000.c (function_arg): Excess floating point arguments don't
2898 go into GPR registers after exhausting FP registers under the
2900 (function_arg_partial_nregs): Ditto.
2902 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2905 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2907 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2909 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2911 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2914 * libgcc2.c (__throw): Initialize HANDLER.
2916 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2918 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2919 fix_truncsfdi2): Change *X to ?*X.
2921 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2923 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2925 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2927 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2929 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2931 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2933 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2935 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2936 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2939 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2941 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2942 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2943 gas and not using the new HP assembler.
2945 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2947 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2948 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2950 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2952 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2953 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2956 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2958 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2960 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2962 * except.h: Add outer_context_label_stack.
2963 * except.c: Likewise.
2964 (expand_start_all_catch): Push the outer_context for the try block
2965 onto outer_context_label_stack.
2966 (expand_end_all_catch): Use it and pop it.
2968 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2970 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2972 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2974 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2976 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2978 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2979 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2981 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2983 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2984 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2985 __builtin_delete, and __builtin_vec_delete.
2987 * except.c (output_exception_table): Don't bother with
2990 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2992 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2993 is an in/out operand.
2994 (zero extended variants of stwm/stwm patterns): Similarly.
2996 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2998 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3000 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3002 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3003 (output_call_frame_info): Emit a \n after using it.
3005 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3007 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3009 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3011 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3012 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3013 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3015 (output_call_frame_info): Do not output forward label differences
3016 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3017 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3019 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3021 * sh.md (attribute "type"): Add nil.
3022 (movsi_ie): y/y alternative is type nil.
3023 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3025 (movsf_ie+1): Delete.
3027 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3029 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3030 large_int, emit two insns instead of one splitable insn.
3031 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3032 from cfa_temp_value, use cfa_offset. Add assert checking that
3035 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3037 * cccp.c (deps_output): Properly quote file names for make.
3039 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3041 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3043 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3045 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3047 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3049 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3051 (cse_end_of_basic_block): Similarly.
3053 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3055 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3056 (SELECT_RTX_SECTION): Define.
3057 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3059 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3061 * Makefile.in (compare, compare-lean): Define $stage for each
3063 (gnucompare, gnucompare-lean): Likewise.
3065 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3067 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3069 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3070 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3072 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3074 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3075 and add case to handle STRING_TYPE.
3076 * dwarfout.c (output_string_type_die): Fix code to generate
3077 correct string length attribute for fixed length strings.
3078 Still needs support for varying length strings.
3080 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3082 * toplev.c (get_run_time): Do something sensible for cygwin32.
3084 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3086 * expr.c (expand_builtin_setjmp): Set
3087 current_function_has_nonlocal_label.
3088 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3089 call-saved registers across calls.
3091 * alpha.md (exception_receiver): Remove.
3092 (nonlocal_goto_receiver_osf): New
3093 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3094 (nonlocal_goto_receiver): New, select _osf or _vms.
3096 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3097 keep them from being propogated to the object file.
3098 (alpha_write_linkage): Likewise.
3099 * alpha.md (call_vms): Likewise.
3100 (call_value_vms): Likewise.
3101 (unnamed osf call insns): Likewise.
3103 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3104 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3106 * alpha.c (call_operand): Any reg is valid for WinNT.
3107 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3108 (anon nt calls): Add 'R' alternative.
3109 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3110 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3112 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3114 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3116 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3117 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3118 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3120 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3122 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3123 spill error message.
3125 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3127 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3128 use varargs.h. Wrap header with <>, not "".
3130 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3132 * integrate.c (save_for_inline_copying): Add return value from
3135 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3137 * fixincludes: Be a little more restrictive on what we will
3138 substitute to replace definitions of MAXINT for HPUX.
3140 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3142 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3143 whose address is the stack or argument pointers are indirect
3146 1997-11-13 Paul Eggert <eggert@twinsun.com>
3148 * cccp.c, cpplib.c (compare_defs):
3149 Don't complain about arg name respellings unless pedantic.
3150 * cpplib.c (compare_defs): Accept pfile as new arg.
3151 All callers changed.
3153 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3155 * fold-const.c (fold_truthop): Fix bug in last change.
3157 1997-11-13 Paul Eggert <eggert@twinsun.com>
3159 Fix some confusion with IEEE minus zero.
3161 * real.h (REAL_VALUES_IDENTICAL): New macro.
3163 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3164 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3166 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3167 same tree structure as 0.0.
3169 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3170 macro instead of doing it by hand.
3172 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3174 * v850/lib1funcs.asm: Minor whitespace changes.
3175 * v850.c: Fix minor formatting problems in many places.
3176 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3178 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3180 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3181 xplus1 when xplus0 is not a register.
3183 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3185 * flow.c (find_basic_blocks): During marking phase, if we encounter
3186 an insn with a REG_LABEL note, make the target block live and
3187 create an edge from the insn to the target block. Do not make
3188 edges from all blocks to the target block.
3190 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3192 * confiugre.in: Tweak NCR entries.
3193 * configure: Rebuilt.
3195 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3197 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3198 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3199 and CONST_DOUBLE_HIGH.
3201 * rs6000.md (define_splits for DF constants): Use the appropriate
3202 REAL_VALUE_* interface to pick apart DF floating point constants in
3203 a machine independent fashion.
3205 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3207 * fold-const.c (fold_truthop): When changing a one-bit comparison
3208 against zero into a comparison against mask, do a proper sign
3211 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3213 * except.c: Do not include "assert.h".
3214 (save_eh_status): Turn asserts into conditional aborts.
3215 (restore_eh_status, scan_region): Likewise.
3216 * dwarfout.c: Do not include "assert.h".
3217 (bit_offset_attribute): Turn asserts into conditional aborts.
3218 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3219 (output_inlined_structure_type_die): Likewise.
3220 (output_inlined_union_type_die): Likewise
3221 (output_tagged_type_instantiation): Likewise.
3222 (dwarfout_file_scope_decl): Likewise.
3223 * dwarf2out.c: Do not include "assert.h"
3224 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3225 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3226 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3227 (add_bit_size_attribute, scope_die_for): Likewise.
3228 (output_pending_types_for_scope): Likewise.
3229 (get_inlined_enumeration_type_die): Likewise.
3230 (get_inlined_structure_type_die): Likewise.
3231 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3232 (gen_tagged_type_instantiation_die): Likewise.
3234 * flow.c (find_basic_blocks): Refine further to get a more correct
3235 cfg, especially in the presense of exception handling, computed
3236 gotos, and other non-trivial cases. Call abort if an inaccuracy
3237 is detected in the cfg.
3239 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3241 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3243 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3244 (skip_white_space): Use whitespace_cr.
3245 (check_newline): Handle whitespace more consistently.
3247 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3249 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3250 * i386/xm-cygwin32.h (POSIX): Define.
3252 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3254 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3255 is available elsewhere.
3257 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3259 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3260 what the instruction can handle.
3262 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3264 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3266 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3268 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3270 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3271 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3273 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3275 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3276 swap instruction order.
3278 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3280 * fixinc.svr4 (__STDC__): Add another case.
3282 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3284 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3285 addresses in the epilogue delay slot.
3287 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3289 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3290 in generated `specs' file.
3292 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3294 * flags.h (flag_rerun_loop_opt): Declare.
3295 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3296 * toplev.c (flag_rerum_loop_opt): Delete static.
3298 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3300 Bring over from FSF:
3302 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3304 * va-sh.h (__va_arg_sh1): Define.
3306 SH3E doesn't use any integer registers for subsequent arguments
3307 once a non-float value was passed in the stack.
3308 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3309 alignment in front label for ADDR_DIFF_VEC.
3310 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3311 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3313 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3315 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3318 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3320 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3321 put an use_sfunc_addr before each sfunc.
3322 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3323 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3325 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3327 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3329 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3331 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3334 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3336 * alias.c (find_base_value): Only return the known base value for
3339 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3341 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3342 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3344 (prologue_get_pc_and_set_got): New pattern.
3346 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3348 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3349 for SUBREG, just fall through.
3351 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3353 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3355 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3357 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3359 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3360 (USE_HOST_ALLOCA): Likewise.
3362 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3363 and LABEL_REFS fields.
3364 * rtl.h (LABEL_REFS): Update.
3366 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3368 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3369 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3370 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3373 * mips.md (insv, extzv, extv): Add change_address call.
3374 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3376 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3378 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3380 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3381 save_restore_insns if no FP and GP will be restored.
3383 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3384 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3386 * acconfig.h (HAVE_INTTYPES_H): Undef.
3387 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3388 and inttypes.h, and verify that intmax_t is defined.
3389 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3390 * config/mips/x-iris3: Likewise.
3392 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3394 * alias.c (find_base_value): When copying arguments, return the
3395 tenative value for a hard register.
3397 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3399 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3400 (yylex): Record wide strings using target endianness, not host.
3402 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3404 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3405 (ASM_OUTPUT_ALIGNED_BSS): New macro
3406 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3407 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3408 * v850.h (ASM_OUTPUT_BSS): Delete.
3409 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3411 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3413 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3415 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3417 * configure.in (sco5): Use cpio to install header files.
3419 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3421 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3423 * configure: Rebuild.
3425 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3427 * i386/sco5.h: enable -gstabs once again.
3429 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3431 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3433 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3435 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3436 notes for sjlj exceptions too.
3437 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3438 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3439 * final.c (final_scan_insn): Don't output labels for EH REGION
3440 notes if doing sjlj exceptions.
3442 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3444 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3445 optimizing correctly.
3447 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3448 or set current_function_calls_setjmp anymore.
3450 * flow.c (find_basic_blocks): If we delete the label for an
3451 exception handler, remove it from the EH label list and remove
3452 the EH_BEGIN/EH_END notes for that EH region.
3454 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3456 * flow.c (find_basic_blocks): Generate correct flow control
3457 information when exception handling notes are present.
3459 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3461 * dwarf2out.c (output_call_frame_info): Fix length argument
3462 to ASM_OUTPUT_ASCII.
3463 (output_die, output_pubnames, output_line_info): Likewise.
3465 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3467 * version.c: Bump for snapshot.
3469 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3470 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3471 flag_debug_asm is on.
3472 (output_die, output_pubnames, output_line_info): Likewise.
3474 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3475 and static_chain_rtx into the potential base values array if
3478 * alias.c (new_reg_base_value): New array of potential base values.
3479 (unique_id): Now file scoped static.
3480 (find_base_value, case REG): Return the value in reg_base_value
3481 array for the REG if it exists. Else, return the value from
3482 new_reg_base_value if copying args and REG is a hard register.
3483 (find_base_value, case PLUS): If either operand of the PLUS is
3484 a REG, try to get its base value. Handle base + index and
3486 (record_set): Use new_reg_base_value instead of reg_base_value.
3487 (init_alias_analysis): Allocate space for new_reg_base_value too.
3488 Rework code to iterate over the insns propagating base value
3489 information until nothing changes.
3491 * global.c (global_alloc): Free the conflict matrix after
3492 reload has finished.
3494 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3496 * libgcc2.c (L_eh): Define __eh_pc.
3497 Replace __eh_type with generic pointer __eh_info.
3499 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
3501 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
3502 use copy_to_reg if address is not a general_operand.
3504 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3506 * profile.c (output_func_start_profiler): Clear flag_inline_functions
3507 for the duration of the call to rest_of_compilation.
3509 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
3511 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
3513 (sparc*-*-*): Recognize --with-cpu=v9.
3514 * sparc/elf.h: New file.
3515 * sparc/t-elf: New file.
3517 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3519 * mn10300.c (const_8bit_operand): New function.
3520 (mask_ok_for_mem_btst): New funtion.
3521 * mn10300.md (btst patterns with mem operands): Use new functions
3522 to avoid creating btst instructions with invalid operands.
3524 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
3526 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
3527 are running on PowerPC Linux.
3529 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
3531 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
3532 if not previously defined.
3534 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
3536 * function.c (assign_parms): Correct mode of stack_parm if
3537 entry_parm underwent a mode conversion.
3539 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
3541 * global.c (global_alloc): Use xmalloc instead of alloca for
3542 CONFLICTS, since max_allocno * allocno_row_words alone can be more
3543 than 2.5Mb sometimes.
3545 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3547 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
3548 DEST for the spill, adjust mode of SRC to compensate.
3550 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
3552 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
3553 since any_memory_operand() allows pseudos during reload.
3554 (reload_inhi, reload_outqi, reload_outhi): Likewise.
3556 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
3558 * m68k.md (btst patterns): Add 5200 support.
3560 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3562 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
3563 optimizations, look inside dividend to determine if the expression
3564 can be simplified by using EXACT_DIV_EXPR.
3566 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3569 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
3571 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3573 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
3575 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
3577 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
3580 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
3582 * alpha.md (movqi, movhi): Make sure new insns created during reload
3583 won't need reloading themselves.
3584 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
3586 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
3588 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
3590 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
3592 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
3593 Patch from Klaus Kaempf <kkaempf@progis.de>.
3595 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
3597 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
3598 to an element in a constant string.
3600 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
3602 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
3603 bit PC-relative offset. The exception range table pointer is now in
3605 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
3606 (count_fdes, add_fdes, get_cie): Adjust.
3607 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
3610 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
3612 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
3614 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
3615 like stack_pointer_rtx.
3617 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
3619 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
3620 targets using "$@" to provide support for similar but not identical
3621 targets without having to duplicate code.
3622 (bootstrap4): New goal.
3624 * Makefile.in (compare, compare-lean, compare3): Combined to one
3625 ruleset determining actions to be performed via $@.
3626 (compare4, compare4-lean): New targets.
3627 (gnucompare, gnucompare3): Combined to one ruleset determining
3628 actions to be performed via $@. Also, note which files failed
3629 the comparison test in .bad_compare.
3630 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
3632 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3634 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
3635 if the dividend is a multiple of the divisor.
3637 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
3639 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
3641 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
3644 * alias.c (true_dependence): Fix typo.
3646 * toplev.c (flag_rerun_loop_opt): New variable.
3647 (f_options): Handle -frerun-loop-opt.
3648 (rest_of_compilation): If -frerun-loop-opt, then run the loop
3650 (main): Enable -frerun-loop-opt by default for -O2 or greater.
3652 * loop.c (simplify_giv_expr): Adding two invariants results
3655 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
3657 * expr.c (get_inner_reference): Remove the array bias after
3658 converting the index to Pmode.
3660 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
3662 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
3663 (TARGET_MULT_BUG): Define.
3664 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
3665 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
3667 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
3669 * mn10200.c (indirect_memory_operand): Delete unused function.
3670 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
3671 * mn10200.md (bset, bclr insns): Handle output in a reg too.
3673 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
3675 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
3676 the callee's ldgp, we must do it ourselves, and we use the jsr tag
3677 for more than scheduling.
3679 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
3681 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
3683 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
3685 * mn10300.c (symbolic_operand, legitimize_address): New functions.
3686 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
3687 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
3689 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3691 * version.c: Bump for snapshot.
3693 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3695 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3698 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3700 * toplev.c (flag_exceptions): Default value is 2.
3701 (compile_file): If flag_exceptions still has the value 2, then
3704 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3705 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3706 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3708 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3711 * rs6000.md (*movsi_got_internal_mem): New pattern.
3712 (*movsi_got_internal_mem splitter): New define_split.
3714 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3716 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3718 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3720 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3721 only need to save LR.
3723 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3725 * mn10300.md (movqi, movhi): Avoid using address registers as
3726 destinations unless absolutely necessary.
3728 * mn10200.c (expand_prologue): Fix typo.
3730 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3732 * mn10200.md (neghi2): Provide an alternative which works if
3733 the input and output register are the same.
3735 * mn10300.c (print_operand): Handle 'S'.
3736 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3737 shift amount in last alternative
3739 * mn10300.c (expand_epilogue): Rework to handle register restores
3740 in "ret" and "retf" instructions correctly.
3742 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3744 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3745 extzv for memory operands.
3747 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3748 redundant conditional moves to single operand.
3750 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3752 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3755 * xm-v850.h: Use __v850 rather than __v850__ to
3758 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3760 * mips/mips.c (compute_frame_size): Not a leaf function if
3763 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3765 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3767 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3769 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3770 (DEFAULT_ARCH32_P): New macro.
3771 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3772 (enum cmodel): Declare.
3773 (sparc_cmodel_string,sparc_cmodel): Declare.
3774 (SPARC_DEFAULT_CMODEL): Provide default.
3775 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3776 (TARGET_FULLANY): Deleted.
3777 (TARGET_CM_MEDMID): New macro.
3778 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3779 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3780 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3781 (CPP_SPEC): Rewrite.
3782 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3783 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3784 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3785 (ASM_SPEC): Add %(asm_arch).
3786 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3787 Rename asm_default to asm_cpu_default.
3788 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3789 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3790 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3791 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3792 (MASK_INT64,MASK_LONG64): Delete.
3793 (MASK_ARCH64): Renamed to MASK_64BIT.
3794 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3795 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3796 (TARGET_SWITCHES): Always provide 64 bit options.
3797 (ARCH64_SWITCHES): Delete.
3798 (TARGET_OPTIONS): New option -mcmodel=.
3799 (INT_TYPE_SIZE): Always 32.
3800 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3801 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3802 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3803 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3804 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3806 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3807 * sparc/linux.h: Likewise.
3808 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3809 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3810 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3811 (SPARC_DEFAULT_CMODEL): Define.
3812 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3813 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3814 (LONG_DOUBLE_TYPE_SIZE): Define.
3815 (ASM_SPEC): Add %(asm_arch).
3816 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3817 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3818 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3819 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3820 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3821 (SPARC_DEFAULT_CMODEL): Define.
3822 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3823 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3824 MASK_LONG64, MASK_MEDANY.
3825 (SPARC_DEFAULT_CMODEL): Define.
3826 (CPP_PREDEFINES): Delete.
3827 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3828 (ASM_SPEC): Add %(asm_arch).
3829 (LONG_DOUBLE_TYPE_SIZE): Define.
3830 (DWARF2_DEBUGGING_INFO): Define.
3831 * sparc/splet.h (CPP_SPEC): Delete.
3832 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3833 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3834 (BLOCK_PROFILER): Likewise.
3835 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3836 (sparc_override_options): Handle code model selection.
3837 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3838 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3839 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3840 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3841 (sethi_di_fullany): Delete.
3843 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3844 Jeff Law <law@cygnus.com>
3845 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3847 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3848 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3849 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3850 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3851 * alpha/alpha.md (arg_home): Likewise.
3853 * alpha/alpha.c (vmskrunch): Delete
3854 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3855 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3856 truncate to 64 characters.
3858 * make-l2.com: Support openVMS/Alpha.
3860 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3862 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3864 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3866 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3868 * i386/bsd386.h (ASM_COMMENT_START): Define.
3870 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3872 * tree.c (restore_tree_status): Also free up temporary storage
3873 when we finish a toplevel function.
3874 (dump_tree_statistics): Print stats for backend obstacks.
3876 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3878 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3880 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3882 * libgcc2.c (__throw): Don't copy the return address.
3883 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3885 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3886 * toplev.c (main): Initialize exceptions_via_longjmp.
3888 * tree.c: Add extra_inline_obstacks.
3889 (save_tree_status): Use it.
3890 (restore_tree_status): If this is a toplevel inline obstack and we
3891 didn't want to save anything on it, recycle it.
3892 (print_inline_obstack_statistics): New fn.
3893 * function.c (pop_function_context_from): Pass context to
3894 restore_tree_status.
3895 * obstack.h (obstack_empty_p): New macro.
3897 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3899 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3901 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3903 * v850.c (ep_memory_offset): New function.
3904 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3906 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3907 (CONSTANT_ADDRESS_P): Add comment.
3908 (EXTRA_CONSTRAINT): Define 'U'.
3909 * v850.md: Add comments on bit field instructions.
3910 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3911 (lshrsi3): Use N not J constraint.
3913 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3915 * v850.c (reg_or_0_operand): Call register_operand.
3916 (reg_or_int5_operand): Likewise.
3917 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3918 (TARGET_SWITCHES): Add "big-switch".
3919 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3920 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3921 (CASE_DROPS_THROUGH): Comment out.
3922 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3923 * v850.md (cmpsi): Delete compare mode.
3924 (casesi): New pattern.
3926 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3927 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3928 (lshrsi3): Likewise.
3930 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3931 unreachable switch statement after 'b' support. Remove "b" from
3932 strings for 'b' support.
3933 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3935 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3937 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3938 empty line if @inhibit_libc@ is empty.
3940 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3942 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3943 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3944 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3945 (DWARF2_UNWIND_INFO): Let this track object file format.
3946 (EXTRA_SECTIONS): Add in_eh.
3947 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3948 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3950 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3952 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3953 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3955 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3956 (output_double_int): Output DI mode values correctly when
3957 HOST_BITS_PER_WIDE_INT is 64.
3958 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3959 fmovd so it works if a quad float ends up in one of the upper 32
3961 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3962 necessary for PIC support on sparc64.
3964 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3966 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3967 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3968 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3969 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3970 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3971 (SPARC_FP_ARG_FIRST): New macro.
3972 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3973 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3974 (NPARM_REGS): There are 32 fp argument registers now.
3975 (FUNCTION_ARG_REGNO_P): Likewise.
3976 (FIRST_PARM_OFFSET): Update to new v9 abi.
3977 (REG_PARM_STACK_SPACE): Define for arch64.
3978 (enum sparc_arg_class): Delete.
3979 (sparc_arg_count,sparc_n_named_args): Delete.
3980 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3981 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3982 (FUNCTION_ARG_ADVANCE): Rewrite.
3983 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3984 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3985 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3986 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3987 (STRICT_ARGUMENT_NAMING): Define.
3988 (doublemove_string): Declare.
3989 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3990 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3991 (doublemove_string): New function.
3992 (output_move_quad): Clean up some of the arch64 support.
3993 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3994 Don't add 8 bytes of reserved space if arch64.
3995 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3996 (init_cumulative_args): New function.
3997 (function_arg_slotno): New static function.
3998 (function_arg,function_arg_partial_nregs): New functions.
3999 (function_arg_{pass_by_reference,advance}): New functions.
4000 (function_arg_padding): New function.
4001 * ginclude/va-sparc.h: Rewrite v9 support.
4003 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4005 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4006 for hard regs to determine base and index registers.
4008 * reload.c (debug_reload_to_stream): New function. Specify stream
4009 into which to write debug info.
4010 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4012 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4014 * combine.c (can_combine_p): Don't combine with an asm whose
4015 output is a hard register.
4017 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4019 * c-decl.c (start_struct): Ensure that structs with forward
4020 declarations are in fact packed when -fpack-struct is given.
4022 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4023 we are packing a structure. This allows a structure with only
4024 bytes to be aligned on a byte boundary and have no padding on a
4027 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4029 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4031 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4033 * alpha.c (alpha_return_addr_rtx): New variable.
4034 (alpha_save_machine_status): New; save it.
4035 (alpha_restore_machine_status): New; restore it.
4036 (alpha_init_expanders): New; clear it.
4037 (alpha_return_addr): New; set it.
4038 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4039 is overly conservative, so search the insns explicitly.
4040 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4041 (alpha_sa_size [VMS && !VMS]): Likewise.
4042 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4043 (INIT_EXPANDERS): New definition.
4045 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4046 (output_prolog [!VMS]): Use them.
4048 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4049 (alpha_does_function_need_gp): ... a new function. Refine the
4050 CALL_INSN test to just TYPE_JSR.
4051 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4053 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4055 * version.c: Bump for snapshot.
4057 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4059 * pa.c (move_operand): Respect -mdisable-indexing.
4060 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4062 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4064 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4066 (umulsidi3,umulsi3_highpart): Ditto.
4067 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4069 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4071 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4072 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4073 function in one go. Emit RTL for trapb, instead of printf directly.
4074 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4075 (trap_pending): Kill global variable.
4076 (output_epilog): Don't call final_prescan_insn.
4077 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4078 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4079 (MACHINE_DEPENENT_REORG): Define.
4080 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4083 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4085 Tune Haifa scheduler for Alpha:
4086 * alpha.h (ISSUE_RATE): Define.
4087 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4088 EV4 adjustments to EV5.
4089 * alpha.md: Remove all scaling from function unit delays. Rework
4090 EV5 function units to match the CPU.
4091 (umuldi3_highpart): EV5 added the IMULH insn class.
4093 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4095 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4098 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4100 * cplus-dem.c (demangle_signature): Don't look for return types on
4101 constructors. Handle member template constructors.
4103 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4105 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4106 * tree.h: Declare them.
4108 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4110 * configure.in: Handle --with-newlib.
4111 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4113 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4115 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4117 * config/ptx4.h: Fix typo.
4119 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4121 * version.c: Bump for snapshot.
4123 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4125 * aclocal.m4: Substitute INSTALL.
4126 * configure: Re-built.
4128 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4130 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4132 (expand_inline_function): Likewise.
4134 * dwarf2out.c (output_call_frame_info): Reinstate last change
4135 using flag_debug_asm check instead of flag_verbose_asm.
4137 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4139 * dwarf2out.c (output_call_frame_info): Remove last change.
4141 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4143 * frame.c (__frame_state_for): Execute the FDE insns until the
4144 current pc value is strictly bigger than the target pc value.
4146 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4148 * regclass.c (init_reg_modes): If we can't find a mode for the
4149 register, use the previous one.
4151 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4153 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4154 don't sprintf through an alloca'ed buffer.
4156 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4158 * reload.c (decompose): Always initialize val.base.
4160 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4162 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4163 instead of aborting.
4164 * dwarf2out.c (output_call_frame_info): Call app_enable and
4165 app_disable to let GNU as accept the generated comments.
4167 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4169 * tree.h (get_file_function_name): Add declaration.
4170 * dwarf2out.c (output_call_frame_info): No need to cast
4171 get_file_function_name call anymore.
4172 * profile.c (toplevel): Remove get_file_function_name
4174 * c-lang.c (finish_file): Ditto.
4176 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4178 * Makefile.in (program_transform_name): Let autoconf substitute
4181 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4183 * haifa-sched.c (schedule_block): If the first real insn in a
4184 block has any special notes attached to it, remove them.
4186 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4188 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4190 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4192 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4194 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4196 * Makefile.in (check-g77): New test target.
4197 (CHECK-TARGETS): Add check-g77.
4199 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4201 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4203 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4205 * flow.c (print_rtl_with_bb): Cast alloca return value for
4208 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4210 * i386.h (RETURN_ADDR_RTX): New definition that works for
4211 __builtin_return_address(0) and -fomit-frame-pointer.
4213 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4215 Bring over from FSF.
4216 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4218 * mips.c (function_arg): Handle passing a struct
4219 containing a double in a DFmode register without the PARALLEL.
4221 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4223 * pexecute.c: Use spawn if __CYGWIN32__.
4225 * pexecute.c: Include "config.h" first, as per autoconf manual
4226 (from Paul Eggert <eggert@twinsun.com>).
4228 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4230 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4231 optimisation for f/expr.o and f/stb.o.
4233 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4235 * cse.c (this_insn_cc0_mode): Initialize.
4237 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4239 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4241 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4243 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4245 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4246 that pair will dual-issue on the 21164 and plus+beq won't.
4247 (bne): Likewise for cmpeq+beq.
4249 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4251 * except.c (find_exception_handler_labels): Correct argument to free.
4253 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4255 * except.c (find_exception_handler_labels): Free LABELS when we're
4258 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4260 * version.c: Bump for snapshot.
4262 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4264 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4267 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4269 * configure.in: Substitute for "install" too.
4270 * configure: Rebuilt.
4272 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4274 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4276 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4278 * alias.c (base_alias_check): Two symbols can conflict if they
4279 are accessed via AND.
4280 (memrefs_conflict_p): Likewise.
4282 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4283 after flushing argument registers to the stack.
4285 * Makefile.in (mostlyclean): Remove .regmove files.
4287 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4289 * libgcc2.c (__throw): Fix thinko.
4291 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4293 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4294 template-function mangling.
4295 (consume_count_with_underscores): New function.
4296 (demangle_signature): Handle new name-mangling scheme.
4298 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4300 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4303 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4305 * frame.c: Remove last change.
4306 * dwarf2.h: Remove last change.
4307 * tree.h: Add declarations of DWARF2 unwind info support
4310 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4312 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4313 * tree.h (built_in_function): Likewise.
4314 * expr.c (expand_builtin): Likewise.
4315 * except.h: Likewise.
4316 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4317 * libgcc2.c (copy_reg): New fn.
4320 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4322 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4323 unsigned if -W is specified and -Wno-sign-compare is not.
4324 * c-decl.c (warn_sign_compare): Initialize to -1.
4325 (c_decode_option): -Wall no longer implies -Wsign-compare.
4327 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4329 * frame.c: Include gansidecl.h for PROTO.
4330 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4331 defined. Don't declare dwarf2out_cfi_label here.
4332 * dwarf2.h: Add declarations of DWARF2 unwind info support
4334 * m68k.c: Include dwarf2.h.
4335 (output_function_prologue): Add dwarf2 support.
4336 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4337 (INCOMING_FRAME_SP_OFFSET): Likewise.
4339 * integrate.c (expand_inline_function): Make sure there is at
4340 least one insn that can be used as an insertion point.
4342 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4344 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4346 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4348 * version.c: Bump for snapshot.
4350 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4352 Bring over from FSF.
4354 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4356 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4357 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4358 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4360 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4362 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4363 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4365 (sparc_align_{loops,jumps,funcs}_string): Declare.
4366 (sparc_align_{loops,jumps,funcs}): Declare.
4367 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4368 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4369 (STACK_BIAS): Define.
4370 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4372 (SPARC_SETHI_P): New macro.
4373 (CONST_OK_FOR_LETTER_P): Use it.
4374 (ASM_OUTPUT_ALIGN_CODE): Define.
4375 (ASM_OUTPUT_LOOP_ALIGN): Define.
4376 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4377 (sparc_align_{loops,jumps,funcs}): New globals.
4378 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4380 (move_operand): Use SPARC_SETHI_P.
4381 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4383 (arith11_double_operand): Likewise.
4384 (arith10_double_operand): Likewise.
4385 (finalize_pic): Finish sparc64 support.
4386 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4387 64 bit constants if able.
4388 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4389 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4391 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4392 (get_pc_sp32): Use for sparc64 as well.
4393 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4394 (sethi_di_sp64_const): Likewise.
4395 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4396 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4397 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4399 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4401 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4402 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4403 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4405 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4407 Add sparc64 linux support.
4408 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4409 to xm_file list on 32-bit sparc-linux.
4410 * sparc/xm-sp64.h: New file.
4411 * sparc/linux64.h: New file.
4412 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4413 Don't include xm-sparc.h.
4414 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4415 * glimits.h (LONG_MAX): Handle sparc64.
4417 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4419 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4420 * sparc.h (ASM_COMMENT_START): Define.
4421 * sparc.c (output_function_prologue): Use it.
4422 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4424 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4426 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4427 use sparc.h's copies.
4428 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4431 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4433 * sparc.c (dwarf2out_cfi_label): Add declaration.
4434 (save_regs, output_function_prologue): Remove cast for it.
4435 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4436 ({save,restore}_regs): No longer inline.
4438 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4440 * fold-const.c (make_range): Correctly handle cases of converting
4441 from unsigned to signed type.
4443 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4445 * fold-const.c (merge_ranges): Make sure that if one range is subset
4446 of another, it will always be the second range. Correct (+,-) case to
4449 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4451 * final.c (final_end_function): Also do dwarf2 thing if
4452 DWARF2_DEBUGGING_INFO.
4453 (final_start_function): Likewise.
4455 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4457 * expmed.c (expand_divmod): If compute_mode is not the same as
4458 mode, handle the case where convert_modes() causes op1 to no
4459 longer be a CONST_INT.
4461 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4462 note holding get_jump_flags() calculation to all JUMP_INSNs.
4463 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4464 * rtl.c (reg_note_name): Add new note types.
4466 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4468 * rtlanal.c (computed_jump_p): Fix typo in last change.
4470 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4472 * loop.c (indirect_jump_in_function_p): Return 0
4475 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4477 * rs6000/xm-rs6000.h: Fix thinko in last change.
4478 * rs6000/xm-sysv4.h: Likewise.
4480 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4482 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4484 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4486 * reg-stack.c (find_blocks): Fix thinko in last change.
4488 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4490 * m68k.c (output_function_prologue): Add dwarf2 support.
4492 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4493 INCOMING_FRAME_SP_OFFSET): New definitions.
4495 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4497 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4498 appropriate in calls to gen_rtx().
4499 * cse.c (cse_main): Likewise.
4500 * emit-rtl.c (gen_label_rtx): Likewise.
4501 * expr.c (init_expr_once): Likewise.
4502 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
4503 sched_analyze, init_rgn_data_dependences,
4504 compute_block_backward_dependences): Likewise.
4505 * sched.c (schedule_insns): Likewise.
4506 * varasm.c (immed_double_const): Likewise.
4508 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
4509 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
4511 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
4513 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
4514 (MULTILIB_DEFAULTS): Define.
4515 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
4516 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
4517 (LIBGCC_SPEC): Likewise.
4518 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
4519 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
4520 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
4521 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
4522 (EXTRA_PARTS, TAROUTOPTS): Delete.
4523 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
4524 (MULTILIB_OPTIONS): Define.
4525 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
4526 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
4528 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
4530 * version.c: Bump for snapshot.
4532 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
4534 * loop.c (loop_number): Delete function. Change all references
4535 to use uid_loop_num array.
4536 * loop.h (loop_number): Delete declaration.
4537 * unroll.c (unroll_loop): Change "loop_number" references to
4538 use uid_loop_num instead.
4540 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
4542 (loop_unroll_iter): Remove unused variable and all references.
4543 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
4544 (insert_bct): Fix minor formatting problems.
4545 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
4546 (loop_unroll_iter): Removed unused decl.
4547 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
4548 Always record the unrolling factor.
4550 * cse.c (simplify_relational_operation): Set h0u just like h0s.
4551 Similarly for h1u and h1s.
4553 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
4554 (find_basic_blocks): Use computed_jump_p to determine if a
4555 particular JUMP_INSN is a computed jump.
4556 * reg-stack.c (find_blocks): Use computed_jump_p to determine
4557 if a particular JUMP_INSN is a computed jump.
4558 * rtlanal.c (jmp_uses_reg_or_mem): New function.
4559 (computed_jump_p): Likewise.
4560 * rtl.h (computed_jump_p): Declare.
4561 * genattrtab.c (pc_rtx): Define and initialize.
4562 * loop.c (loop_optimize): Always determine if the current
4563 function has a computed jump.
4564 (indirect_jump_in_function_p): Use computed_jump_p to determine
4565 if a particular JUMP_INSN is a computed jump.
4567 * loop.c (fix_bct_param): Delete unused function.
4568 (check_bct_param): Likewise.
4570 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4572 * frame.c (__deregister_frame): Check properly for initialized object.
4574 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4576 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
4578 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4580 * jump.c (thread_jumps): check can_reverse_comparison_p before
4581 threading a reversed-condition jump.
4583 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
4584 * haifa-sched.c (update_flow_info): Likewise.
4586 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
4588 * Makefile.in (BOOT_CFLAGS): Use -O2.
4590 * configure.in (strtoul, bsearch): Have autoconf check for these
4592 * configure, config.in: Rebuilt.
4594 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
4595 * mips/mips.h (alloca): Likewise.
4596 * rs6000/xm-rs6000.h (alloca): Likewise.
4597 * rs6000/xm-sysv4.h: Likewise.
4599 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
4601 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
4602 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
4603 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
4605 * except.c (end_eh_unwinder): Subtract 1 from return address.
4606 * libgcc2.c (__throw): Likewise.
4607 (find_exception_handler): Don't change PC here. Compare end with >.
4609 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
4611 * v850.c (compute_register_save_size): Correct register
4613 * v850.md (save_interrupt, return_interrupt): Correct
4615 * v850/lib1funcs.asm (save_interrupt): Correct register number.
4616 (return_interrupt): Use stack pointer, not element pointer.
4618 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
4620 * configure.in, configure: Make sure to create the stage* and include
4621 symbolic links in each subdirectory.
4623 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
4625 * pa.md (reload_peepholes): Don't allow addresses with side
4626 effects for the memory operand.
4628 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4630 * libgcc2.c (find_exception_handler): Subtract one from our PC when
4631 looking for a handler, to avoid hitting the beginning of the next
4634 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
4636 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
4638 * mips/abi64.h (LONG_MAX_SPEC): Define.
4639 * mips.h (LONG_MAX_SPEC): Define.
4640 (CPP_SPEC): Include long_max_spec.
4641 (EXTRA_SPECS): Include long_max_spec.
4643 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
4645 * v850.c (construct_save_jarl): Fix thinko in last change.
4647 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
4649 * version.c: Bump for snapshot.
4651 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4653 * libgcc2.c (find_exception_handler): Not found is -1.
4655 * integrate.c (expand_inline_function): Move expand_start_bindings
4656 after expanding the arguments.
4658 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
4660 * expr.c (expand_expr): Remove previous incorrect change.
4661 If target and slot has no DECL_RTL, then call mark_addressable
4662 again for the slot after we give it RTL.
4664 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
4666 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4667 again for the slot after we give it RTL.
4669 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
4671 * v850.c (register_is_ok_for_epilogue,
4672 pattern_is_ok_for_epilogue, construct_restore_jr,
4673 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
4675 * v850.h (pattern_is_ok_for_prologue,
4676 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
4679 * v850.md: Replace prologue and epilogue patterns with a
4680 match_parallel pattern.
4682 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
4684 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
4685 * configure.in: Use EGCS_PROG_INSTALL.
4687 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
4689 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
4690 extern inline function.
4692 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4694 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4695 (concat_loc_descriptor): New function.
4696 (loc_descriptor): Call it.
4697 (add_AT_location_description): Also elide the descriptor if both
4698 halves of a CONCAT are pseudos.
4699 (add_location_or_const_value_attribute): Recognize CONCAT too.
4701 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4703 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4705 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4706 out-or-range reg_offset.
4707 (output_epilog): Likewise.
4709 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4711 * cse.c (simplify_relational_operation): If MODE specifies a
4712 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4713 is derived from the sign bit of the low word.
4715 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4717 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4719 * dwarf2.h: Add DW_CFA_GNU_args_size.
4720 * frame.c (execute_cfa_insn): Likewise.
4721 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4722 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4723 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4724 insn, hand it off to dwarf2out_stack_adjust.
4725 (dwarf2out_begin_prologue): Initialize args_size.
4726 * frame.h (struct frame_state): Add args_size.
4727 * libgcc2.c (__throw): Use args_size.
4728 * final.c (final_scan_insn): If we push args, hand off all insns
4729 to dwarf2out_frame_debug.
4730 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4732 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4733 Handle epilogue restore of SP from FP.
4734 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4735 lone insn has RTX_FRAME_RELATED_P set.
4737 * frame.c (extract_cie_info): Handle "e" augmentation.
4738 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4739 absence of UNALIGNED_*_ASM_OP.
4740 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4741 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4742 Don't emit augmentation fields length.
4743 (dwarf2out_do_frame): Move outside of #ifdefs.
4744 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4747 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4748 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4749 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4750 * sparc/sun4gas.h: New file.
4751 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4753 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4754 __register_frame_table and __deregister_frame.
4756 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4758 * except.c (find_exception_handler_labels): Use xmalloc instead of
4759 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4762 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4764 * Makefile.in: Various changes to build info files
4765 in the object tree rather than the source tree.
4767 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4769 * fixinc.math: New file to fix math.h on some systems.
4770 * configure.in (freebsd, netbsd): Use fixinc.math on these
4772 * configure: Rebuilt.
4774 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4776 * regmove.c (regmove_optimize): If we end up moving the
4777 original insn due to lifetime overlaps, make sure to move
4780 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4782 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4784 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4786 * haifa-sched.c (add_branch_dependences): Make each insn in
4787 a SCHED_GROUP_P block explicitly depend on the previous insn.
4789 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4791 * except.h: Prototype dwarf2 hooks.
4794 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4796 * configure.in (native_prefix): Delete.
4797 (mips-dec-netbsd): Don't set prefix.
4798 (*linux*): Don't set prefix.
4800 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4802 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4803 defined. If not defined, include <sys/varargs.h> if
4804 HAVE_SYS_VARARGS_H is defined.
4805 * configure.in: Test for varargs.h and sys/varargs.h.
4806 * configure: Regenerate with autoconf.
4807 * config.in: Regenerate with autoheader.
4809 * cpplib.c (quote_string): Cast first arg of sprintf call
4810 from "unsigned char *" to "char *".
4811 (output_line_command): Ditto.
4812 (macroexpand): Ditto.
4813 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4815 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4817 * version.c: Bump for snapshot.
4819 * Makefile.in (compare): Exit with nonzero status if there
4820 are comparison failures. Note which files failed the
4821 comparison test in .bad_compare.
4823 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4825 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4827 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4829 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4830 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4831 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4832 * configure: Regenerated.
4834 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4836 * loop.c (strength_reduce): Fix typo.
4838 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4840 * m88k/m88k.c (struct option): Rename to struct options.
4841 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4842 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4843 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4844 __DOLPHIN__ or sysV88.
4846 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4848 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4851 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4853 * config.sub: Accept 'amigados' for backward compatability.
4855 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4857 * Makefile.in (testsuite/site.exp): New target.
4858 (check-gcc, check-g++): Depend on testsuite/site.exp.
4859 Don't stop for failure.
4861 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4863 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4864 if DWARF2_UNWIND_INFO.
4866 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4868 Add support for exception handling using DWARF 2 frame unwind info.
4869 Currently works on SPARC and MIPS, and almost on x86.
4871 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4872 next_stack_level, in_reg_window): Helper fns.
4873 (__throw): Implement for DWARF2_UNWIND_INFO.
4875 * expr.c (expand_builtin): Handle builtins used by __throw.
4876 * tree.h (enum built_in_function): Add builtins used by __throw.
4877 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4878 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4879 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4880 (expand_builtin_extract_return_addr): Likewise.
4881 (expand_builtin_frob_return_addr): Likewise.
4882 (expand_builtin_set_return_addr_reg): Likewise.
4883 (expand_builtin_eh_stub): Likewise.
4884 (expand_builtin_set_eh_regs): Likewise.
4885 (eh_regs): Choose two call-clobbered registers for passing back values.
4887 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4888 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4889 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4890 (stmp-multilib): Likewise.
4891 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4893 * except.c: #include "defaults.h".
4894 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4895 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4896 (register_exception_table_p): New fn.
4897 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4898 (end_eh_unwinder): Likewise.
4900 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4901 call __register_frame and __deregister_frame as needed.
4902 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4903 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4904 EH_FRAME_SECTION_ASM_OP.
4905 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4906 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4907 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4909 * dwarf2out.c (output_call_frame_info): If no support for
4910 EXCEPTION_SECTION, mark the start of the frame info with a
4912 * collect2.c (frame_tables): New list.
4913 (is_ctor_dtor): Recognise frame entries.
4914 (scan_prog_file): Likewise.
4915 (main): Pass -fno-exceptions to sub-compile. Also do collection
4916 if there are any frame entries.
4917 (write_c_file_stat): Call __register_frame_table and
4918 __deregister_frame as needed.
4919 (write_c_file_glob): Likewise.
4921 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4922 Also require unaligned reloc support.
4923 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4924 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4925 * sparc/sysv4.h: Not here.
4927 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4928 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4929 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4931 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4932 EH implementations to the top.
4933 (find_exception_handler): Split out. Start from 0. Compare against
4935 (__find_first_exception_table_match): Use it.
4936 * except.c (output_exception_table): Don't do anything if there's
4937 no table. Don't output a first entry of zeroes.
4938 (eh_outer_context): Adjust properly.
4939 (add_eh_table_entry): Use xrealloc.
4940 * toplev.c (compile_file): Just call output_exception_table.
4942 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4944 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4946 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4948 * except.c (eh_outer_context): Do masking using expand_and.
4950 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4952 Add port done awhile ago for the ARC cpu.
4953 * arc/arc.h: New file.
4954 * arc/arc.c: New file.
4955 * arc/arc.md: New file.
4956 * arc/initfini.c: New file.
4957 * arc/lib1funcs.asm: New file.
4958 * arc/t-arc: New file.
4959 * arc/xm-arc.h: New file.
4960 * ginclude/va-arc.h: New file.
4961 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4962 * ginclude/varargs.h: Likewise.
4963 * Makefile.in (USER_H): Add va-arc.h.
4964 * configure.in (arc-*-elf*): Recognize.
4965 * longlong.h: Add ARC support.
4967 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4969 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4970 when clearing non-BLKmode data.
4972 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4974 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4975 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4977 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4979 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4981 * Makefile.in (clean): Delete libgcc1-test.
4983 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4985 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4987 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4990 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4992 * dwarf2out.c (output_call_frame_info): Call named_section.
4994 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4996 * haifa-sched.c (print_value): Fix last change.
4998 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5000 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5003 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5005 * mips.c (function_prologue): Set up the CFA when ABI_32.
5007 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5008 for dwarf2 unwind info.
5009 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5011 * final.c (final_end_function): Check dwarf2out_do_frame instead
5012 of DWARF2_DEBUG for dwarf2 unwind info.
5013 (final_scan_insn): Likewise.
5014 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5017 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5020 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5022 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5024 * v850.h (ASM_SPEC): Pass on target processor.
5025 (CPP_PREDEFINES): Only define if not already specified.
5026 (TARGET_VERSION): Only define if not already specified.
5027 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5029 (EXTRA_SWITCHES): Extra entries in the switches array.
5030 (TARGET_DEFAULT): Set default target processor.
5032 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5034 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5035 cases, add %# and %/, and add : to make them into extended asms.
5037 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5039 * alias.c (init_alias_analysis): Clean up incompatible pointer
5040 type warning in bzero.
5041 * regmove.c (regmove_optimize): Ditto.
5042 * haifa-sched.c (find_rgns): Ditto.
5044 * haifa-sched.c (print_value): Clean up ptr->int cast
5047 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5049 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5050 * install.texi (Configurations): Ditto.
5051 * config.sub: Ditto.
5053 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5055 * Makefile.in (sdbout.o): Depend on insn-config.h.
5057 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5059 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5060 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5062 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5064 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5065 prologue insn, only the first elt is significant.
5066 (output_call_frame_info): For exception handling, always use 4-byte
5067 fields as specified by the dwarf2 spec.
5068 Don't skip trivial FDEs.
5070 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5072 * version.c: Bump for snapshot.
5074 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5076 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5077 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5080 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5082 * final.c (shorten_branches): During first pass, assume worst
5083 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5085 * Makefile.in (distclean): Remove various things left around
5086 by running the testsuite.
5088 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5090 * configure.in (out_file): Emit definition to config.status in order
5091 to have a defined value for configure.lang.
5092 * configure: Re-built.
5094 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5096 * configure.in: Make symlink to as-new rather than as.new. Similarly
5098 * configure: Rebuilt.
5100 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5102 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5104 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5106 * sparc/sparc.md: Add ultrasparc scheduling support.
5107 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5109 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5111 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5112 as initial value for real_label_map.
5113 (copy_for_inline): Likewise.
5115 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5117 * sched.c (update_flow_info) When looking if to set found_split_dest
5118 or found_orig_dest, look at all parts of a PARALLEL.
5119 * haifa-sched.c (update_flow_info): Likewise.
5121 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5123 * v850: New directory for v850 port.
5124 * v850/lib1funcs.asm: New file.
5125 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5126 * ginclude/va-v850.h: New file.
5127 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5128 * configure.in (mn10200-*-*): New target.
5129 * configure: Rebuilt.
5130 * config.sub: Handle v850-elf.
5131 * Makefile.in (USER_H): Add va-mn10200.h.
5132 * invoke.texi: Document v850 stuff.
5134 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5136 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5137 has integer TYPE_{MAX,MIN}_VALUE before using them.
5139 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5140 __HPUX_ASM__ versions.
5142 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5144 * install.sh: Delete duplicate install script.
5146 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5148 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5149 computed goto which sets the same stack register.
5151 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5152 destination are both on the regstack.
5153 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5155 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5157 * mips.md (nonlocal_goto_receiver): Define.
5159 * profile.c (output_arc_profiler): Check next_insert_after for non
5160 NULL before deferencing it.
5162 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5164 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5166 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5168 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5170 * toplev.c (rest_of_compilation): For passes starting with
5171 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5173 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5176 * flow.c (print_rtl_with_bb): Print which insns start and end
5177 basic blocks. For the start of a basic block, also print the live
5180 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5182 * toplev.c (main): Change #elif to #else/#ifdef
5184 * tlink.c: Include ctype.h.
5185 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5187 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5189 * bitmap.c: Conditionally include stdlib.h.
5190 (free): Provide a declaration if NEED_DECLARATION_FREE.
5192 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5194 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5196 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5198 * profile.c (output_arc_profiler): Verify next_insert_after is an
5199 INSN before and after skipping a stack pop.
5201 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5203 * final.c (shorten_branches): Don't count the lengths of deleted
5206 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5208 * version.c: Bump for snapshot.
5210 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5212 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5213 two bitmaps ANDed together.
5214 (bitmap_print): Declare.
5216 * bitmap.c (function_obstack): Don't declare any more.
5217 (bitmap_obstack): Obstack for allocating links from.
5218 (bitmap_obstack_init): New static to say whether to initialize
5220 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5221 (bitmap_release_memory): Free all memory allocated from
5224 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5225 EXECUTE_IF_AND_IN_BITMAP.
5227 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5229 * alias.c (true_dependence): Address with AND can alias scalars.
5230 (anti_dependence, output_dependence): Likewise.
5232 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5234 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5236 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5237 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5238 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5239 definitions. Use -qrtems instead of -mrtems.
5241 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5243 * xm-sco5.h (sys_siglist): Define.
5244 (SYS_SIGLIST_DECLARED): Likewise.
5246 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5248 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5250 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5252 * except.c (eh_outer_context): Expand masking operation using
5255 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5257 * alpha.md (floatdisf2-1): New pattern.
5259 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5261 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5262 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5263 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5264 * gcc.texi: Note that if you define sys_siglist that you should
5265 also define SYS_SIGLIST_DECLARED.
5267 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5268 are relative to the next instruction, not the current instruction.
5270 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5272 * local-alloc.c (contains_replace_regs): New function.
5273 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5274 verify that there is no existing REG_EQUIV note, and add a call to
5275 contains_place_regs.
5277 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5279 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5280 (STARTFILE_SPEC): Always use crtbegin.o%s
5281 (ENDFILE_SPEC): Always use crtend.o%s.
5283 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5285 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5287 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5288 SFmode for 64 bit hosts.
5290 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5292 * fixincludes: Permits spaces between # and define. Discard C++
5293 comments in sys/pci.h on HP/UX 10.20.
5295 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5297 * version.c: Bump for snapshot.
5299 * pa.c (restore_unscaled_index_insn_codes): New function.
5300 (record_unscaled_index_insn_codes): Likewise.
5301 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5302 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5303 (pa_reorg): Call record_unscaled_index_insn_codes.
5305 * haifa-sched.c (move_insn): Handle notes correctly for insns
5306 with SCHED_GROUP_P set.
5308 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5310 * alpha/xm-linux.h (USE_BFD): Undef before define.
5312 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5314 * cse.c (cse_insn): Don't record BLKmode values.
5316 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5318 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5320 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5322 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5323 * collect2.c (sys_errlist): Likewise.
5324 * cpplib.c (sys_errlist): Likewise.
5325 * gcc.c (sys_errlist): Likewise.
5326 * protoize (sys_errlist): Likewise.
5327 * configure.in: Check for strerror.
5328 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5329 * xm-gnu.h (HAVE_STRERROR): Likewise.
5330 * xm-linux.h (HAVE_STRERROR): Likewise.
5331 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5332 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5333 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5334 * xm-dos.h (HAVE_STRERROR): Likewise.
5335 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5336 * xm-pa.h (HAVE_STRERROR): Likewise.
5337 * xm-papro.h (HAVE_STRERROR): Likewise.
5338 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5339 * configure, config.in: Rebuilt.
5341 * Makefile.in: Add several missing "else true" clauses.
5343 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5344 * mips-tfile.c: Likewise.
5345 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5346 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5347 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5348 * configure.in: Check for sys_siglist declaration.
5349 * configure, config.in: Rebuilt.
5351 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5353 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5354 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5355 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5356 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5357 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5358 macro EXTRA_SUBTARGET_SWITCHES.
5359 * configure.in (sh*-*-rtems*): New target.
5360 * sh/rtems.h: New file.
5361 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5362 * configure: Rebuilt.
5364 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5366 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5368 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5370 * rs6000.md: Make DF fused-add operations pay attention to
5373 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5375 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5377 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5379 * pa.md (reload_peepholes): Make sure operand is a REG before
5380 examining REGNO. Allow general registers too.
5382 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5384 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5386 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5388 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5389 to reallocate abbrev_die_table.
5391 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5393 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5395 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5397 * Makefile.in (config.status): Depend on version.c
5399 * expr.h (insn_gen_function): Reenable prototype.
5401 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5404 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5406 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5408 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5410 * version.c: Bump for latest snapshot.
5412 * bc-optab.c: Conditionally include stdlib.h.
5413 (free): Provide a declaration if NEED_DECLARATION_FREE.
5414 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5415 * rtl.h (free): Remove declaration.
5416 * tree.h (free): Remvoe declaration.
5418 * configure: Rebuilt.
5420 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5422 * flags.h (flag_move_all_movables): Declare.
5423 (flag_reduce_all_givs): Likewise.
5424 * loop.c (move_movables): Handle flag_move_all_movables.
5425 (strength_reduce): Handle flag_reduce_all_givs.
5426 * toplev.c (flag_move_all_movables): Define.
5427 (flag_reduce_all_givs): Likewise.
5428 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5429 * invoke.texi: Document new options, including alias stuff that
5430 wasn't included last time.
5432 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5434 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5437 * t-vxworks68: Ditto.
5438 * t-vxworks960: Ditto.
5441 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5443 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5444 if not already defined, and USE_C_ALLOCA not defined.
5446 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5448 * config.guess: Replace with script that uses ../config.guess.
5450 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5451 if USE_GNULIBC_1 is not defined.
5453 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5455 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5456 * config.guess: Recognize alpha-linux-gnulibc1.
5457 * configure.in (alpha-*-linux-gnulibc1): New target.
5458 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5460 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5462 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5465 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5467 * loop.c (combine_movables): Earlier insns don't match later ones.
5469 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5471 * config/linux.h (CC1_SPEC): Define it only if not defined.
5473 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5476 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5477 USE_GNULIBC_1 is not defined.
5479 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5481 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5482 as 1 if USE_GNULIBC_1 is not defined.
5484 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5486 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5487 to be something other than a REG.
5488 * function.c (expand_function_end): Fix current_function_return_rtx
5491 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5492 * x-netbsd: Likewise
5493 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5494 (INSTALL_HEADERS): Delete.
5495 * x-dguxbcs: Likewise.
5496 * x-hp3bsd44: Likewise
5499 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5501 * i386.md (pop): pop increments the stack pointer.
5502 (prologue_set_stack_ptr): New pattern.
5503 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
5506 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
5508 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
5509 address where an offsettable address is required.
5511 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
5513 * loop.c (check_final_value): Don't miss a biv increment in a
5516 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
5518 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
5519 TYPE_DECL_IS_STUB instead of DECL_NAME.
5521 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5523 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
5525 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
5527 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
5529 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
5531 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
5532 (find_post_sched_live): Likewise.
5534 * haifa-sched.c (schedule_block): Remove old code to get arguments
5535 from hard regs into pseudos early.
5537 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
5539 * version.c: Bump for new snapshot.
5541 * local-alloc.c (update_equiv_regs): All the target to reject
5542 promotion of some REG_EQUAL to REG_EQUIV notes.
5543 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
5545 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
5548 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
5549 store of the argument registers.
5551 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
5553 * fold-const.c (multiple_of_p): New function.
5554 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
5556 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
5558 * expr.h (insn_gen_function): Temporarily remove prototype.
5560 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
5562 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
5563 filenames. Use sed to extract base filename for install.
5565 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
5567 * unroll.c (find_splittable_givs): Only share if two givs have the
5568 same add and multiply values.
5570 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
5572 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
5573 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
5575 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
5577 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
5578 around branch tables.
5579 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
5580 and .end_brtab directives if TARGET_GAS.
5582 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
5584 * alias.c (true_dependence): Pass x_addr not x to varies.
5586 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
5587 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
5588 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
5590 * config.in, configure: Regenerate.
5592 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
5594 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
5596 (record_set): Handle LO_SUM like PLUS.
5597 (init_alias_analysis): When following chains of base addresses,
5598 do not stop on reaching a hard register.
5600 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
5602 * version.c: Bump for new snapshot.
5604 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
5606 * alpha.h (ARCH_ASM_FILE_START): Define.
5607 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
5608 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
5610 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
5612 * Makefile.in (install-common): Put gcov comment at start of line.
5614 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
5616 * alias.c (init_alias_analysis): When simplifying the reg_base_value
5617 array, simplify entries for hard registers too.
5619 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
5621 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
5624 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
5626 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
5627 block_stack before dereferencing it.
5629 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
5631 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
5633 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5635 * cplus-dem.c: Add 'extern' to prepends_underscore.
5637 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
5639 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
5640 (get_issue_rate): Delete.
5641 * pa.h (ISSUE_RATE): Define.
5643 * configure.in: Turn on haifa by default for the PA.
5644 * configure: Rebuilt.
5645 * pa.c (override_options): Accept -mschedule=7200 option.
5646 (pa_adjust_cost): No longer need to scale costs for newer
5648 * pa.h (enum processor_type): Add PROCESSOR_7200.
5649 * pa.md: Revamp scheduling parameters to work better with
5650 haifa. Add scheduling parameters for the 7200.
5652 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
5654 (schedule_block): When adjusting basic_block_{head,end}, account
5655 for movement of SCHED_GROUP_P insns too.
5657 * haifa-sched.c (debug_dependencies): Fix thinko.
5659 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
5660 (site.exp, check, check-g++, check-gcc): New targets.
5662 * haifa-sched.c: Make lots of variables static.
5664 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5666 * expr.h, real.h: Finish prototyping.
5668 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
5670 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
5671 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
5672 * reload1.c: Undo bugfix from Aug 11.
5674 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
5676 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
5677 quotes around the name.
5678 * configure: Regenerate.
5680 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
5682 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
5684 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
5686 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
5687 to sub-makes to avoid building more passes than the user might have
5688 requested on the command line.
5690 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5692 * configure.in: Expurgate `broken_install' (install is
5695 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5698 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5700 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5701 functions and declarations.
5702 (analyze_loop_iterations): Use condjump_p.
5703 (insert_bct): Likewise. Use exact_log2.
5705 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5707 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5708 (schedule_region): Likewise.
5709 (schedule_insns): Likewise.
5711 * PROJECTS: Update with Haifa stuff.
5713 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5715 * version.c: Change the version string to look like:
5716 egcs-2.90.00 970814 (gcc2-970802 experimental).
5718 * loop.c (is_conditional_branch): Make definition match declaration.
5720 * gcc.c: Take out experimental snapshot warning message.
5722 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5724 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5725 print out the names of the notes. Print out the name of the insn
5726 that is not a note, and not an {,CALL_,JUMP_}INSN.
5728 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5730 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5731 again for the slot after we give it RTL.
5733 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5735 * configure.in (haifa configury): Fix typo.
5736 * configure: Regenerate.
5738 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5740 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5742 * gcc.info*: Rebuilt.
5744 * COPYING.g77, README.g77: New files.
5745 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5746 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5747 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5749 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5751 * Integrate Haifa instruction scheduler.
5752 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5753 to sched with $(SCHED_CFLAGS.
5754 * configure.in: Handle --enable-haifa.
5755 * configure: Rebuilt.
5756 * flags.h: Add new flags for haifa instruction scheduler.
5757 * genattrtab.c (expand_units): For haifa, don't subtract one
5758 when computing blockage.
5759 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5760 (flag_schedule_speculative): Ditto.
5761 (flag_schedule_speculative_load): Ditto.
5762 (flag_schedule_speculative_load_dangerous): Ditto.
5763 (flag_schedule_reverse_before_reload): Ditto.
5764 (flag_schedule_reverse_after_reload): Ditto.
5765 (flag_branch_on_count_reg): Ditto.
5766 (f_options): Add Haifa switches.
5767 (main): Turn off some Haifa options if appropriate macro is
5768 defined. Process Haifa switches.
5769 * unroll.c (iteration_info): No longer static, since Haifa
5771 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5772 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5773 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5774 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5775 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5776 storage for the Haifa scheduler.
5777 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5779 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5780 are defined, call analyze_loop_iterations and insert_bct to use
5782 (record_giv): Refine test for jumps out of loops if HAIFA is
5784 (analyze_loop_iterations): New function to identify if we can use
5786 (insert_bct): Insert countdown loop.
5787 (instrument_loop_bct): Low level code to insert countdown loop.
5788 (loop_number): Calculate UID of loop.
5789 (indirect_jump_in_function_p): Return true if an indirect jump is
5791 (is_power_of_2): Return true if value is a power of 2.
5792 (is_conditional_branch): Return true if insn is a conditional
5794 (fix_bct_param): Process -fbct-{min,max}-N switches.
5795 (check_bct_param): Return true if loop should be instrumented.
5796 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5797 (loop_optimize): Initialize.
5798 (get_condition_for_loop): Ditto.
5799 * loop.c (strength_reduce): Inside of code that uses #ifdef
5800 HAVE_decrement_and_branch_on_count code, test it to make sure the
5802 (instrument_loop_bct): Ditto.
5803 * haifa-sched.c: New file.
5806 * Integrate regmove pass.
5807 * Makefile.in (OBJS): Add regmove.o
5808 (regmove.o): Add dependencies.
5809 * flow.c (find_use_as_address): No longer static.
5810 * rtl.h (find_use_as_address): Declare.
5811 * toplev.c (regmove_dump, flag_regmove): Define.
5812 (f_options): Add -fregmove.
5813 (regmove_dump_file, regmove_time): Define.
5814 (fatal_insn): Close the regmove dump file.
5815 (compile_file): Initialize regmove_time; open/close the regmove dump
5816 file as needed. Print regmove time as needed.
5817 (rest_of_compilation): Run regmove pass if requested, dump
5818 RTL after regmove if requested.
5819 (main): If -O2 or more, turn on regmove. Handle dump switches.
5820 * regmove.c: New file.
5822 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5824 * Integrate tlink patch from jason@cygnus.com
5825 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5826 (process_command): Increment n_switches for them. Don't discard
5827 their args. Validate them.
5828 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5830 (process_command): Set include_prefixes from COMPILER_PATH.
5831 (main): Set COLLECT_GCC_OPTIONS sooner.
5832 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5833 * tlink.c, hash.c, hash.h: New files.
5834 * Makefile.in (USE_COLLECT2): Always use collect2.
5835 (collect2): Depend on and link in hash.o and tlink.o.
5836 (tlink.o, hash.o): Add dependencies.
5838 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5840 * Integrate alias analysis changes from jfc@mit.edu
5841 * Makefile.in (OBJS): Add alias.o
5842 (alias.o): Add dependencies.
5843 * alias.c: New file.
5844 * sched.c: Remove alias analysis code. It lives in alias.c now.
5845 (sched_analyze_2): Add new arguments to true_dependence.
5846 (schedule_insns): Always call init_alias_analysis.
5847 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5848 mark return value from such functions as a pointer and keep track of
5849 them for alias analysis. If a return value from a function is a
5850 pointer, mark it as such.
5851 * combine.c (distribute_notes): Handle REG_NOALIAS.
5852 * cse.c (struct write_data): Delete. No longer needed.
5853 (invalidate): Don't call set_nonvarying_address_components anymore.
5854 Use true_dependence to decide if an entry should be removed from
5856 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5858 (note_mem_written): Similarly for WRITE_PTR argument.
5859 (invalidate_from_clobbers): Similarly for W argument.
5860 (invalidate_for_call): Remove memory elements from the hash table.
5861 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5862 (cse_rtx_varies_p): New function. Derived from old
5863 cse_rtx_addr_varies_p.
5864 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5865 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5866 pointer if PUSH_ROUNDING is defined. No longer need to call
5867 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5868 (skipped_writes_memory): Remove variable.
5869 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5870 (invalidate_skipped_block): Simplify for new alias analysis code.
5871 (cse_set_around_loop): Likewise.
5872 (cse_main): Call init_alias_analysis.
5873 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5874 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5875 (f_options): Add new alias checking arguments.
5876 (main): Set flag_alias_check when optimizing.
5877 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5879 (memref_referenced_p): Likewise.
5880 * loop.c (NUM_STORES): Increase to 30.
5881 (prescan_loop): Only non-constant calls set unknown_address_altered.
5882 (invariant_p): Add new arguments to true_dependence.
5883 (record_giv): Initialize unrolled and shared fields.
5884 (emit_iv_add_mult): Call record_base_value as needed.
5885 * loop.h (struct induction): Add unrolled and shared fields.
5886 * unroll.c (unroll_loop): Call record_base_value as needed.
5887 (copy_loop_body): Likewise.
5888 (final_biv_value): Likewise.
5889 (final_giv_value): Likewise.
5890 (find_splittable_regs): Likewise. Only create one new pseudo
5891 if we have multiple address GIVs that were combined with the same
5892 dst_reg GIV. Note when a new register is created due to unrolling.
5893 * rtl.c (reg_note_name): Add REG_NOALIAS.
5894 * rtl.h (enum reg_note): Similarly.
5895 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5896 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5897 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5898 (true_dependence, read_dependence, anti_dependence): Likewise.
5899 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5900 (mark_user_reg, mark_reg_pointer): Likewise.
5903 * Integrate reload bugfix from Wilon which enables the PA port
5905 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5906 OPERAND_ADDRESS when computing how many registers an insn needs.
5907 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5909 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5911 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5912 in reload_reg_use_in_op_addr do not reach the end.
5913 do not reach the end.
5914 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5915 RELOAD_FOR_OPERAND_ADDRESS.
5917 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5919 * egcs project officially starts.