1 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
3 * stmt.c (expand_asm_operands): Correctly identify asm statements
6 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8 * c-common.c (decl_attributes): Flag unrecognized attribute
9 functions as warnings instead of as errors.
11 1998-02-05 Marc Lehmann <pcg@goof.com>
13 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
14 when -Os is specified.
15 * toplev.c (main): Don't disable flag_inline_functions anymore when
18 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
21 * flags.h (flag_regmove): Declare.
22 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
23 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
24 Moved into regmove; changed caller.
25 * toplev.c (rest_of_compilation): Call regmove_optimize also for
26 expensive_optimizations.
28 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
30 * version.c: Bump for snapshot.
32 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
33 Undo this change (the problem was actually in reload):
34 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
36 * sh.md (movqi_i+1): New peephole.
38 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
40 * jump.c (jump_optimize): Lose calls to modified_in_p they are
41 not needed anymore due to changes elsewhere in jump.c.
43 * jump.c (jump_optimize): Fix first arg to modified_in_p in
46 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
48 * expr.c (expand_builtin_setjmp): Accept two new arguments for
49 the labels to branch to on first and subsequent executions. Don't
50 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
51 and provide it with the jmp_buf. Use only one of
52 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
53 and provide the former with the target label.
54 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
55 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
56 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
57 insn to replace all of the normal nonlocal_goto code. Don't play
58 with __dummy. Correct arguments to nonlocal_goto.
59 * expr.h (expand_builtin_setjmp): Update prototype.
60 * except.c (start_dynamic_handler): When using builtin_setjmp,
61 generate more accurate flow information.
63 * alpha.md (nonlocal_goto_receiver_osf): Delete.
64 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
65 (builtin_longjmp, builtin_setjmp_receiver): New.
66 * sparc.md (update_return): Disambiguate unspec number.
67 (nonlocal_goto): Rearrange arguments to match caller in except.c.
68 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
70 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
71 (builtin_setjmp_setup*, builtin_longjmp): New.
73 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
75 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
77 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
79 * vmsconfig.com: Remove bytecode references.
81 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
83 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
84 -fno-sjlj-exceptions works for a target that defines
85 DWARF2_UNWIND_INFO as zero.
87 * regmove.c (fixup_match_1): Undo last change which removed some
88 "useless" code, and add a comment explaining this.
90 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
92 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
95 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
97 * makefile.vms: Remove bytecode references.
100 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
102 * jump.c (jump_optimize): Allow conditional loading of floating point
103 constants and constants from memory. Reinstalled modified_in_p tests.
105 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
107 * loop.c (get_condition): Handle sign-extended constants.
109 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
111 * expr.c (emit_push_insn): Add code to use movstrti if present.
113 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
114 and movstrqi as in emit_block_move ().
116 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
118 * config/m68k/x-next: Remove /NextDeveloper/Headers from
119 the directories to fixinclude - /usr/include is a link
120 to it and hence its contents are fixed by default.
122 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
124 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
126 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
128 * cccp.c (main): Predefine __VMS_VER on VMS.
130 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
132 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
133 * fold-const.c (size_int): Replace with
135 (make_bit_field_ref): Use bitsize_int for bit position.
136 * stor-layout.c (sizetype): Delete.
137 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
138 (layout_record, layout_union, layout_type):
139 Use bitsize_int for bit size.
140 (set_sizetype): New function.
141 (make_signed_type, make_unsigned_type): Use it.
142 * c-decl.c (init_decl_processing): Likewise.
143 * tree.h (size_int): Don't delcare, #define.
144 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
145 (set_sizetype): Declare.
146 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
148 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
149 Convert result to sizetype.
150 (really_start_incremental_init, push_init_level):
151 Set type of constructor_bit_index to sbitsizetype.
152 (push_init_level): Use unsigned arithmetic to determine padding.
153 (output_init_element): Likewise.
155 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
157 * combine.c (simplify_shift_const): Fix typo in last change.
159 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
161 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
162 is (truncate (lshiftrt)).
164 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
166 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
167 Make sure result winds up in TGT.
168 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
169 src to be other than DImode.
170 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
171 (alpha_expand_unaligned_store_words): Likewise.
172 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
173 that source and destination are separately optimized for alignment.
174 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
176 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
178 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
179 with handling of -32768.
181 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
184 shell variable argument instead of only hard coded functions.
185 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
187 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
188 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
189 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
190 declarations for bcopy, bcmp and bzero.
192 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
194 * gansidecl.h: If we have bcopy but don't declare it, then do so.
195 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
196 bzero, index and rindex if they aren't already present.
198 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
200 * toplev.c (close_dump_file): Wrap function prototype for
201 argument "func" in PROTO.
202 (dump_rtl): Likewise.
204 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
206 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
208 (output_function_epilogue): Omit epilogue if nothing drops through.
209 (output_move_double): Supress int ldd usage on ultrasparc and v9.
210 (registers_ok_for_ldd_peep): Likewise.
211 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
212 (ultrasparc_adjust_cost): New function.
213 (sparc_issue_rate): New function.
214 * sparc.h (MASK_VIS, TARGET_VIS): New
215 (MASK_V8PLUS, TARGET_V8PLUS): New.
216 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
217 (TARGET_SWITCHES): Add vis and v8plus.
218 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
219 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
220 (RTX_COSTS): Use TARGET_HARD_MUL
221 (ADJUST_COST): Call ultrasparc_adjust_cost.
223 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
224 of load & fp appropritely.
225 (supersparc function units): Adjust for Haifa.
226 (ultrasparc function units): Likewise.
227 (get_pc_via_rdpc): All v9, not just arch64.
228 (movdi_v8plus, movdi_v8plus+1): New.
229 (adddi3_sp32+1): New.
230 (subdi3_sp32+1): New.
231 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
232 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
233 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
234 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
235 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
236 (ldd peepholes): Suppress for v9.
237 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
238 (return_subsi): Revmove.
240 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
242 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
243 save/restore MEM rtl.
245 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
247 * configure.in: Check for declaration of abort.
248 * acconfig.h: Corresponding changes.
249 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
252 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
254 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
257 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
259 * version.c: Bump for snapshot.
261 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
263 * configure.in: Check for atoq and atoll.
264 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
265 proper routine for converting ascii into long long values.
267 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
269 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
271 * vmsconfig.com: Remove bytecode references.
273 * alpha/vms.h (PREFIX): Define.
275 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
277 * am-alpha.h: Don't include alloca for OPEN_VMS.
279 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
281 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
282 (GCC_INCLUDE_DIR): Define
284 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
285 * makefile.vms: New file.
287 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
289 * alpha.c (output_prolog): Output '.name' directive
290 for minimal traceback information.
292 * alpha.c (output_prolog): Don't prepend entry point symbols
293 with '$' on OPEN_VMS.
295 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
296 Jeffrey A Law (law@cygnus.com)
298 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
301 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
303 * genemit.c (gen_exp): Likewise.
304 * genpeep.c (match_rtx): Likewise.
305 * genrecog.c (write_tree_1): Likewise.
307 * c-lex.c (yyprint): Use proper format string based upon
308 disposition of HOST_BITS_PER_WIDE_INT.
309 (yylex): Put casts in right place for args to build_int_2.
311 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
313 * combine.c: Fix typos in Jan27 changes.
315 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
317 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
318 (LINK_SPEC): Likewise.
319 (STARTFILE_SPEC): Likewise.
321 1998-01-28 Mike Stump <mrs@wrs.com>
323 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
325 * genattrtab.c (reload_completed): Define.
327 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
330 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
332 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
333 SUBREG_REG if the word count is unchanged, also in the input reload
334 case. Disable non-applicable sanity checks.
336 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
338 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
340 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
342 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
344 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
346 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
347 is a TREE_VEC before trying to use it for baseclasses.
348 (Chill uses the same field for a different purpose.)
350 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
352 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
354 * config.sub: More accurate determination of HP processor types.
356 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
359 prototype for `handle_sysv_pragma', and make it static. Add
360 parentheses around assignment used as truth value.
362 * combine.c (combine_instructions): Protect variable `prev' with
364 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
365 (extract_left_shift): Add parentheses around operand of &.
366 (merge_outer_ops): Avoid an empty body in an else-statement.
367 (gen_rtx_combine): Remove unused variable `i'.
369 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
370 function monstartup `void'. Likewise for internal_mcount. Add
371 `static void' prototype for moncontrol. Reconcile sprintf format
374 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
375 Make return type of function_arg_slotno explicitly `int'.
376 (reg_unused_after): Add parentheses around assignment used as
378 (save_regs): Add explicit braces to avoid ambiguous `else'.
379 (function_arg_slotno): Add parentheses around && within ||.
380 (function_arg_pass_by_reference): Likewise.
381 (sparc_flat_output_function_prologue): Reconcile fprintf format
384 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
385 assignment used as truth value.
387 * cplus-dem.c: Include <stdlib.h>.
388 (demangle_signature): Avoid an empty body in an else-statement.
389 (do_type): Remove unused variable `lvl'.
391 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
392 Include <string.h>/<strings.h>.
393 (cpp_lex): Remove unused variable `namelen'.
394 (cpp_lex): Explicitly declare `num_chars' as an int.
396 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
397 <unistd.h> instead. Explicitly declare is_system_include
399 (make_assertion): Remove unused variable `kt'.
400 (cpp_expand_to_buffer): Hide variable `obuf'.
401 (output_line_command): Remove unused variables, `line_end',
402 `line_cmd_buf' and `len'.
403 (macarg): Remove unused variable `arg_start'.
404 (special_symbol): Remove unused variable `i'. Add parentheses
405 around assignment used as truth value.
406 (do_include): Remove unused variables `pcfname' and `retried',
407 hide `pcf' and `pcfbuflimit'.
408 (do_line): Remove unused variable `i'.
409 (finclude): Hide variable `missing_newline'.
410 (cpp_handle_options): Remove unused variable `j'.
411 (read_token_list): Remove unused variable `eofp'.
412 (cpp_error_with_line): Remove unused variable `i'.
413 (cpp_warning_with_line): Likewise.
414 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
415 (cpp_error_from_errno): Remove unused variable `i'.
417 * cse.c (invalidate): Add parentheses around assignment used as
419 (find_best_addr): Move declaration of variable `our_cost' inside
420 the conditional macro where its used.
421 (fold_rtx): Avoid an empty body in an if-statement.
422 (cse_insn): Wrap variables `this_insn_cc0_mode' and
423 `this_insn_cc0' in macro HAVE_cc0.
425 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
426 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
427 (output_uleb128): Likewise.
428 (output_sleb128): Likewise.
429 (output_cfi): Likewise.
430 (output_call_frame_info): Remove unused variables `j', `fde_size'
432 (comp_unit_has_inlines): Hide declaration as per rest of file.
433 (size_of_line_prolog): Correct typo in prototype.
434 (add_arange): Likewise.
435 (output_aranges): Likewise.
436 (add_name_and_src_coords_attributes): Likewise.
437 (gen_array_type_die): Likewise.
438 (gen_inlined_subroutine_die): Likewise.
439 (equate_decl_number_to_die): Remove unused variable `i'.
440 (print_die): Reconcile format vs. args in fprintf's.
441 (print_dwarf_line_table): Likewise.
442 (output_die): Likewise.
443 (output_line_info): Likewise.
444 (add_subscript_info): Avoid an empty body in an else-statement.
445 (gen_subprogram_die): Remove unused variable `fp_loc'.
447 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
448 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
449 macro. Protect `src_coords_attribute' prototype with
450 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
451 prototype as in the rest of the file. Likewise for
452 `output_pointer_type_die' and `output_reference_type_die'. Remove
453 prototype for `type_of_for_scope'.
454 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
455 (type_attribute): Add explicit braces to avoid ambiguous `else'.
457 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
458 (shorten_branches): Protect declaration of tmp_length with
459 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
460 (profile_function): Protect declaration of `sval' and `cxt'
461 variables with appropriate macros.
462 (final_scan_insn): Likewise for `note' variable. Add explicit
463 braces to avoid empty body in an if-statement.
464 (output_asm_insn): Move variable `i' inside macro conditional
465 where it is used. Add parentheses around assignment used as truth
467 (asm_fprintf) Likewise, likewise.
469 * fix-header.c (main): Remove unused variable `done'. Protect
470 declaration of `i' with FIXPROTO_IGNORE_LIST.
472 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
474 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
477 * profile.c: Include <string.h>/<strings.h>.
478 (instrument_arcs): Remove unused variables `note', `inverted',
479 `zero' and `neg_one'.
480 (branch_prob): Avoid empty body in an if-statement.
482 * regclass.c: Include <stdlib.h>.
483 (reg_alternate_class): Explicitly declare parameter `regno'.
485 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
486 parentheses around assignment used as truth value.
487 (find_matches): Remove unused variables `output_operand' and
489 (fixup_match_1): Remove statement with no effect: "if (0) ;".
491 * scan.c (sstring_append): Explicitly declare `count' as int.
492 (scan_string): Explicitly declare parameter `init' as int.
494 * sched.c: Include <stdlib.h>.
495 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
496 (rank_for_schedule): Add parentheses around assignment used as
498 (schedule_block): Likewise.
499 (regno_use_in): Likewise.
500 (schedule_insns): Remove unused variable `i'.
502 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
503 (v_message_with_decl): Remove unused variable `n'.
504 (botch): Explicitly declare parameter `s' as char *.
505 (main): Add parentheses around assignment used as truth value.
507 * tree.c (make_node): Protect the variable `kind' with the
508 GATHER_STATISTICS macro.
509 (real_value_from_int_cst): Move variable `e' inside conditional
510 macro area where it is used.
511 (tree_last): Add parentheses around assignment used as truth value.
512 (build1): Protect the variable `kind' with the GATHER_STATISTICS
514 (print_obstack_statistics): Reconcile format vs. args in fprintf.
515 Protect variables `i', `total_nodes', and `total_bytes' with the
516 GATHER_STATISTICS macro.
518 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
520 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
521 some comments regarding use of dead_or_set_p.
523 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
525 * fixincludes: Tweak fix for struct exception in math.h
527 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
529 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
530 Change mode of registers used to add/sub from
531 hard_frame_pointer_rtx from word_mode to Pmode.
533 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
535 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
536 asm_output_aligned_bss() instead of asm_output_bss().
538 * toplev.c (rest_of_compilation): Replace references to
539 stack_reg_dump_file and dbr_sched_dump_file with references to
542 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
544 * tlink.c (scan_linker_output): Call fclose() for opened files.
546 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
548 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
549 compiling with -fpic -- we want to be able to override symbols
551 (alpha_expand_block_move): Fix thinko in last change.
553 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
554 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
555 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
557 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
559 * alpha.md (abssf, absdf): Revert last change.
561 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
563 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
564 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
566 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
568 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
569 a CONST_INT into SFmode.
571 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
573 * flags.h: New flag (optimize_size).
574 * toplev.c (main): Parse -Os option and set optimize_space
576 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
577 __OPTIMIZE_SIZE__ when compiling with -Os.
578 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
579 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
580 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
582 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
584 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
586 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
587 stuff only if MCT_TEXT is #define'd.
589 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
591 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
594 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
596 * toplev.c: Add -dM command line option to dump RTL after the
597 machine dependent reorganisation pass, if there is one.
598 Reorganise RTL dump code, so that only one file handle is
601 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
603 * except.c (check_exception_handler_labels): Disable warning when
606 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
608 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
610 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
612 * c-decl.c (grokdeclarator): Get parameter tags from
613 last_function_parm_tags.
614 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
615 traversing the parameter types.
616 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
618 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
620 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
622 (get_shift_alg): Fix typo.
624 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
626 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
628 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
630 * toplev.c (get_run_time): Make sure each case gets its variables.
632 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
634 * configure.in (build_xm_file): Add auto-config.h if host=build.
635 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
636 (build_xm_file_list): Likewise.
637 * configure: Rebuild.
639 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
641 * recog.c (validate_replace_rtx_1): Only perform substitutions
642 of arguments to commutative and comparison operators once.
644 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
646 * sparc.c (output_cbranch): Add default case in
649 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
650 (emit_delay_sequence): Eliminate unused parameter, all callers
652 (fill_simple_delay_slots): Likewise.
653 (fill_slots_from_thread): Likewise.
654 (fill_eager_delay_slots): Likewise.
655 (mark_referenced_resources): Add default case in enumeration switch.
656 (mark_set_resources): Likewise.
657 (rare_destination): Likewise.
658 (mostly_true_jump): Likewise.
659 (find_dead_or_set_registers): Likewise.
660 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
661 (update_reg_unused_notes): Remove unused variable `p'.
662 (mark_target_live_regs): Remove unused variables `next' and
664 (fill_simple_delay_slots): Remove unused variable `j'.
665 (fill_slots_from_thread): Add parentheses around assignment used
667 (dbr_schedule): Likewise.
669 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
670 (objc.stage2, objc.stage3, objc.stage4): Likewise.
672 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
674 * cse.c (simplify_ternary_operation): Don't try to simplify
675 IF_THEN_ELSE expressions (created by combine) that don't use
676 relational operators.
678 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
680 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
683 * crtstuff.c (init_dummy): Keep the epilogue in the init
684 section for non-ELF systems.
686 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
688 * sh.md (movqi_i+1): New peephole.
690 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
692 * Makefile.in: Remove remaining bytecode stuff.
693 * emit-rtl.c, expr.c: Likewise.
695 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
697 * toplev.c (lang_options): Add unknown-pragma options.
699 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
701 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
702 special (and incomplete) handling for Chill arrays.
704 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
706 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
709 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
711 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
713 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
715 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
716 .frame directive instead of FRAME_POINTER_REGNUM.
718 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
720 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
721 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
722 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
723 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
724 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
725 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
726 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
727 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
729 * longlong.h: Replace __mc68332__ with __mcpu32__.
731 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
733 * version.c: Bump for snapshot.
735 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
737 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
738 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
739 * reload1.c (eliminate_regs): Likewise.
741 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
743 * regmove.c (find_matches): Initialize matches->earlyclobber too.
745 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
747 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
748 (negsf2, negdf2): Use proper subtract in IEEE mode.
750 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
752 * Makefile.in: Remove more bytecode stuff.
753 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
754 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
755 * f/install.texi, objc/Make-lang.in: Likewise.
757 * Makefile.in: Remove all bytecode support.
758 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
759 * emit-rtl.c: Remove all bytecode support.
760 * expr.c, expr.h function.c, integrate.c: Likewise.
761 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
762 * tree.h, varasm.c: Likewise.
763 * config/m68k/m68k.h: Likewise.
764 * bi-*, bc-*, bytecode*: Delete bytecode related files.
765 * modemap.def: Likewise.
767 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
769 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
770 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
772 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
774 * i386.md (push): Prohibit symbolic constants if flag_pic.
775 (movsi+1): Likewise for move to non-register.
777 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
779 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
780 (print_operand): Handle 0xffffffff on 32 bit host.
782 * configure.in (thread_file): Rename uses before main loop to
783 target_thread_file. Initialize to empty in main loop. Set thread_file
784 to target_thread_file after main loop if not set.
785 * configure: Rebuild.
787 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
788 (add_values_to_cover): Revert last change (which had no ChangeLog
790 (simplify_with_current_value_aux): Handle CONST_INT.
792 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
794 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
796 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
798 * configure.in: Add cpp stringify test.
799 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
800 * gengenrtl.c: Use it.
801 * configure, config.in: Rebuild.
803 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
805 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
807 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
809 * configure.in: Find declaration for sbrk.
810 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
811 * config.in, configure: Rebuild.
812 * mips-tfile.c: Properly protect declaration of sbrk and free.
813 * toplev.c: Properly protect declaration of sbrk.
815 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
817 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
819 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
821 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
823 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
825 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
827 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
829 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
830 constant offset computations from objects with known alignment in
831 the presence of STACK_BIAS.
833 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
835 (const_hash): Hash val is unsigned long.
838 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
840 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
841 char pointer, not HOST_WIDE_INT.
842 (print_node): Likewise. Also hash is unsigned long not
845 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
847 * explow.c (optimize_save_area_alloca): New function for targets
848 where SETJMP_VIA_SAVE_AREA is true.
849 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
850 compute the amount of stack space needed should we find later that
851 setjmp is never called by this function, stuff rtl for this inside
852 a REG_NOTE of the final SET of stack_pointer_rtx.
853 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
854 current_function_calls_alloca, call optimize_save_area_alloca.
856 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
858 * i386.md: Remove redundant integer push patterns.
859 Don't bother checking for TARGET_PUSH_MEMORY when
860 pushing constants or registers.
862 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
863 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
865 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
866 (pwait): New function for mingw32.
868 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
869 pipe support is broken for now.
871 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
873 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
874 between frame_pointer_rtx, hard_frame_pointer_rtx, and
875 arg_pointer_rtx is respected in initialization.
876 (init_emit_once): Use gen_rtx_raw_REG() to create
877 return_address_pointer_rtx.
879 * reorg.c: #include "expr.h" for rtx prototypes.
880 * Makefile.in (reorg.o): Depend on expr.h
882 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
884 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
885 local_prefix to sub-make invocations.
887 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
889 * objc-parse.c: Recognize protocol qualifiers in class definitions.
891 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
895 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
896 * configure.in: Check for atol.
897 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
899 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
901 * loop.c (find_and_verify_loops): When attempting to move insns from
902 inside the loop outside the loop, create a BARRIER if no suitable
905 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
906 favor of an equivalent change from gcc-2.8.
908 * i386/x-sco5 (CC): Remove trailing whitespace.
910 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
912 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
913 (accessor_from_format): Likewise.
914 (xmalloc): New function for use when linking with alloca.o.
916 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
918 * frame.c (find_fde): Correct FDE's upper bound.
920 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
922 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
924 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
926 * calls.c (expand_call): Move #ifdef code out of macro argument
928 (emit_library_call, emit_library_call_value): Likewise.
930 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
932 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
934 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
936 * version.c: Bump for snapshot.
938 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
940 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
941 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
942 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
943 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
944 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
945 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
946 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
947 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
948 * unroll.c, varasm.c: Likewise.
949 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
951 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
953 * mips.h: Fix some type-o's from a previous change.
955 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
957 * loop.c (check_dbra_loop): Make sure initial value is a
958 CONST_INT before trying to normalize it.
960 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
962 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
964 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
966 * cppexp.c: Include gansidecl.h
968 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
970 * svr4.h (LINK_SPEC): Never specify -h.
971 * ptx4.h (LINK_SPEC): Likewise.
972 * rs6000/sysv4.h (LINK_SPEC): Likewise.
973 * sparc/sol2.h (LINK_SPEC): Likewise.
975 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
977 * c-typeck.c (comptypes): Exit early on NULL input.
979 * haifa-sched.c (schedule_insns): Correctly remove inter-block
980 dependencies after reload.
982 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
984 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
986 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
988 * alpha/vms.h (DIR_SEPARATOR): define
990 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
992 * Makefile.in (stamp-proto): Remove.
993 (protoize.o, unprotoize.o): Straightforward compile.
994 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
996 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
998 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
999 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1001 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1003 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1004 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1005 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1007 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1009 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1011 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1013 * configure.in (target_cpu_default, target_cpu_default2): Use double
1014 quotes around them when testing their value.
1015 * configure: Rebuilt.
1017 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1019 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1021 (gendef): Call obstack_alloc_rtx.
1023 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1025 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1028 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1030 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1031 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1032 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1034 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1036 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1038 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1040 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1043 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1045 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1046 suffix from operand 3.
1048 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1049 Jeffrey A Law (law@cygnus.com)
1051 * regmove.c: New implementation of regmove pass.
1052 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1053 decls, make them have external linkage. Return a value from
1054 optimize_reg_copy_1.
1055 * reload.h (count_occurrences): Add decl.
1056 * reload1.c (count_occurrences): Delete decl, make it have external
1058 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1060 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1062 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1063 if it is not defined.
1065 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1067 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1068 * emit-rtl.c (gen_rtx): Move special code to ...
1069 (gen_rtx_CONST_INT): New function.
1070 (gen_rtx_REG): New function.
1071 (*): Update all calls to gen_rtx.
1072 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1073 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1074 (GEN_INT): Call gen_rtx_CONST_INT.
1075 * gengenrtl.c: New file.
1077 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1079 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1080 (base_alias_check): If no base found for address call canon_rtx and
1083 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1085 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1086 arguments for mips16.
1087 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1088 Don't lose if tsize is zero after handling large stack for mips16.
1089 * mips.md (return): For trivial return, return address is in $31.
1091 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1093 * mips/mips16.S: Various changes to make it work with -msingle-float
1096 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1097 Ian Lance Taylor <ian@cygnus.com>
1098 Jeff Law <law@cygnus.com>
1100 * mips.c, mips.h, mips.md: First cut at merging in mips16
1101 support. Major modifications throughout all three files.
1103 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1105 * configure.in: Make gthr-default.h a forwarding header instead of
1108 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1112 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1114 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1115 Jeffrey A Law (law@cygnus.com)
1117 * crtstuff.c (__frame_dummy): New function for irix6.
1118 (__do_global_ctors): Call __frame_dummy for irix6.
1119 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1121 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1123 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1125 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1127 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1128 for __builtin_memset.
1129 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1130 not INTEGER_CST. Assert arg 3 is a constant.
1132 * alpha.c (mode_width_operand): Accept 64-bit modes.
1133 (mode_mask_operand): Likewise.
1134 (print_operand): Likewise for 'M' and 'U' codes.
1135 (alpha_expand_unaligned_load): New function.
1136 (alpha_expand_unaligned_store): Likewise.
1137 (alpha_expand_unaligned_load_words): Likewise.
1138 (alpha_expand_unaligned_store_words): Likewise.
1139 (alpha_expand_block_move): Likewise.
1140 (alpha_expand_block_clear): Likewise.
1141 * alpha.h (MOVE_RATIO): New define.
1142 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1143 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1145 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1146 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1148 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1150 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1151 * configure: Update.
1153 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1155 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1156 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1158 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1161 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1163 * configure.in: Set and subsitute host_exeext. Use it when creating
1164 the assembler and linker symlinks.
1165 * configure: Rebuild.
1166 * Makefile.in (exeext): Set to @host_exeext@.
1167 (build_exeext): New variable, set to @build_exeext@.
1168 (FLAGS_TO_PASS): Pass down build_exeext.
1169 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1172 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1174 * mn10200.md (addsi3, subsi3): Fix thinkos.
1176 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1178 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1179 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1180 unix always, since we want to be able to thunk to functions in a
1181 shared library from an application.
1183 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1185 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1186 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1188 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1190 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1191 offset's mode is not ptr_mode, convert it.
1193 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1195 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1196 compiling if it was already defined.
1198 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1200 * flow.c (find_basic_blocks): Don't create a new basic block
1201 for calls in a LIBCALL block.
1203 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1205 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1207 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1209 * cse.c (rtx_cost): Remove conflicting default case.
1211 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1213 * configure.in: Move default enabling of Haifa out of for loop.
1214 * configure: Rebuild.
1216 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1218 * version.c: Bump for snapshot.
1220 1997-12-25 Teemu Torma <tot@trema.com>
1222 * Makefile.in (GTHREAD_FLAGS): New var.
1223 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1224 (distclean): Remove gthr-default.h.
1226 * configure.in: Accept dce as a thread package.
1227 Check for thread.h and pthread.h.
1228 Link gthr-default.h to appropriate thread file and set
1230 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1231 include multilib definitions from pa/t-dce-thr.
1232 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1233 pthread.h is found, preferring posix threads over solaris ones.
1235 * config/pa/t-dce-thr: New file.
1236 * config/pa/t-pa: Removed multilibs.
1237 * config/sparc/t-sol2: Ditto.
1240 * gthr-single.h: New file.
1241 * gthr-posix.h: New file.
1242 * gthr-solaris.h: New file.
1243 * gthr-dce.h: New file.
1244 * libgcc-thr.h: Removed.
1245 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1247 * frame.c: Include gthr.h instead of libgcc-thr.h.
1248 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1249 (eh_context_initialize): If __gthread_once fails, use static eh
1251 (eh_context_free): Call __gthread_key_dtor.
1253 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1255 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1257 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1259 * cse.c (max_insn_uid): New variable.
1260 (cse_around_loop): Use max_insn_uid.
1261 (cse_main): Set max_insn_uid.
1263 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1264 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1265 -mlong64, and -mgp{32,64} options.
1266 * mips.c (mips_abi): Change type to int.
1267 * mips.h (enum mips_abi_type): Delete.
1268 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1269 (mips_abi): Change type to int.
1271 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1273 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1274 optimization is now always enabled.
1276 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1279 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1281 (*_dependence): Call canon_rtx before base_alias_check.
1282 (init_alias_once): New function to precompute set of registers which
1283 can hold Pmode function arguments.
1285 * rtl.h: Declare init_alias_once.
1287 * toplev.c (compile_file): Call init_alias_once.
1289 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1291 * tree.c (restore_tree_status): Do not dereference a null pointer.
1293 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1295 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1296 RLIMIT_STACK. This maintains consistency with the recent, similar
1297 patch to cccp.c and toplev.c.
1299 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1301 * genattrtab.c (expand_units): For large nr opclasses, expand
1302 function_units_used with ORX to prevent blowups. Tag with FFS.
1303 (num_unit_opclasses): New variable.
1304 (gen_unit): Update it.
1305 (enum operator): Add ORX_OP.
1306 (operate_exp): Treat ORX as or, except don't expand across an if.
1307 Reuse number rtx's after operating on them.
1308 (check_attr_value): Accept IOR, AND, & FFS.
1309 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1310 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1311 (write_expr_attr_cache, write_toplevel_expr): New functions.
1312 (write_attr_get): Handle FFS-tagged expressions.
1313 (make_canonical): Don't expand const attributes.
1314 (convert_const_symbol_ref): Dike out.
1315 (evaluate_eq_attr): Handle SYMBOL_REF.
1316 (main): Don't emit get_attr_foo for const attributes.
1318 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1319 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1320 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1321 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1322 combining function units where possible.
1323 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1324 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1325 (attr "opsize"): New attribute.
1326 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1327 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1328 to control register allocation.
1329 (movsi2-1, movdi2-1): Likewise.
1331 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1333 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1334 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1335 Move OSF/1 specific defines out.
1336 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1337 Move Linux specific defines out.
1338 (LINK_SPEC): Genericize.
1339 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1340 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1341 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1342 (HANDLE_SYSV_PRAGMA): Define.
1343 * alpha/osf.h: New file.
1344 * alpha/linux.h: Split. Retain file-format independant defines.
1345 Import Linux bits from elf.h.
1346 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1347 (FUNCTION_PROFILER): _mcount takes its address in $28.
1348 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1349 * alpha/linux-ecoff.h: New file.
1350 * alpha/linux-elf.h: New file.
1351 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1352 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1353 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1354 Add new headers as appropriate.
1356 * configure.in (alpha*): Enable Haifa by default.
1357 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1358 * configure: Rebuild.
1360 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1362 * Makefile.in (clean): Remove the stages with their objects here ...
1363 (distclean): ... instead of here.
1365 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * cse.c (rtx_cost): Add default case in enumeration switch.
1368 * fix-header.c (recognized_macro): Likewise.
1369 (recognized_extern): Likewise.
1370 (write_rbrac): Likewise.
1371 * objc/objc-act.c (encode_aggregate): Likewise.
1372 (gen_declarator): Likewise.
1373 (gen_declspecs): Likewise.
1375 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1377 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1378 case where we kill more regs after sched than were killed before
1380 * sched.c (create_reg_dead_note): Similarly.
1382 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1384 * c-pragma.c: Include flags.h.
1386 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1388 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1389 about system headers.
1390 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1391 and also to resolve symbols in prefix.c.
1393 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1394 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1395 when the definitions in auto-config.h is not visible.
1396 (HAVE_BZERO): Likewise.
1397 (HAVE_BCMP): Likewise.
1398 (HAVE_RINDEX): Likewise.
1399 (HAVE_INDEX): Likewise.
1401 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1403 * pa.c (emit_move_sequence): Handle a function label source
1406 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1408 * c-pragma.c (handle_pragma_token): Generate warning messages
1409 about unknown pragmas if warn_unknown_pragmas is set.
1411 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1412 line option to set variable: warn_unknown_pragmas.
1414 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1416 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1418 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1420 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1422 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1423 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1424 generate more fine grained floating point emulation libraries.
1425 * config/fp-bit.c: Add protecting #ifdef to all functions so
1426 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1427 then compile all suitable functions.
1428 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1429 underscores to avoid namespace pollution.
1430 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1432 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1436 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1437 Jeff Law <law@cygnus.com>
1439 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1441 * c-decl.c (finish_decl): Use parentheses around && within ||.
1442 * rtl.c: Include stdlib.h.
1443 (read_skip_spaces): Add parentheses around assignments used as
1445 (read_rtx): Initialize list_rtx.
1446 * cppexp.c (parse_number): Use || when operands are truth values.
1447 * alias.c (find_base_value): Add default case.
1448 (memrefs_conflict): Likewise.
1449 * combine.c (sets_function_arg_p): Likewise.
1450 * genemit.c (gen_exp): Likewise.
1451 * local-alloc.c (contains_replace_regs): Likewise.
1452 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1453 * fold-const.c (fold_convert): Use "&&" for truth values.
1454 (fold): Add default case.
1455 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1456 (sdbout_one_type): Add default case.
1457 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1458 (some_operand): Add default case.
1459 (input_operand): Likewise.
1460 (signed_comparison_operator): Likewise.
1461 (divmod_operator): Likewise.
1462 (alpha_set_memflags_1): Likewise.
1463 * reload1.c (reload_cse_simplify_operands): Ensure function
1464 always returns a value.
1465 * scan-decls.c (scan_decls): Likewise.
1466 * c-lex.c (skip_white_space): Fix typo in declaraion.
1467 * c-typeck.c (comp_target_types): Add parentheses around assignment
1468 used as truth value.
1469 (print_spelling): Likewise.
1470 (constructor_implicit, constructor_result): Remove unused variables.
1471 * collect2.c (scan_library): Protect prototype with
1472 #ifdef SCAN_LIBRARIES.
1473 * emit-rtl.c (find_line_note): Fix typo in declaration.
1474 * final.c (asm_insn_count): Protect prototype with
1475 #ifdef HAVE_ATTR_length.
1476 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1477 (try_pre_increment_1, try_pre_increment): Likewise.
1478 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1479 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1480 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1481 unsigned/signed comparisons.
1482 * gcov.c (read_files): Remove unused "first_type" variable.
1483 (scan _for_source_files): Initialize s_ptr.
1484 (function_summary): Eliminate "%lf" formatting, use %ld for
1486 (output_data): Initialize branch_probs and last_line_num.
1487 Eliminate "%lf" formatting, use "%ld" for longs.
1489 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1491 * mips16.S: New file.
1493 * libgcc2.c (varargs): Handle mips16.
1495 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1497 * stmt.c (expand_end_case): Likewise.
1498 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1499 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1500 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1502 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1504 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1505 the build directory.
1506 (libobjc.a): Update dependency list.
1507 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1509 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1510 (objc.mostlyclean): Remove runtime-info.h.
1512 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1514 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1515 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1516 * dwarf2out.c (add_subscript_info): Likewise.
1517 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1518 * sdbout.c (plain_type_1): Likewise.
1519 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1521 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1524 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1526 * mips.c (fatal): Remove declaration.
1528 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1530 * integrate.c (get_label_from_map): New function.
1531 (expand_inline_function): Use it. Initialize the label_map to
1532 NULL_RTX instead of gen_label_rtx.
1533 (copy_rtx_and_substitute): Use get_label_from_map.
1534 * integrate.h (get_label_from_map): New function.
1535 (set_label_from_map): New macro.
1536 * unroll.c (unroll_loop): Use them.
1537 (copy_loop_body): Ditto.
1539 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1541 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1542 (INIT_TARGET_OPTABS): Define.
1543 * mips/ecoff.h: Include gofast.h before mips.h.
1544 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1545 * mips/elf64.h: Likewise.
1546 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1548 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1550 * except.c: Remove register_exception_table{,_p}.
1552 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1554 * unroll.c (calculate_giv_inc): Handle constant increment found in
1555 a MEM with an appropriate REG_EQUAL note.
1557 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1559 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1560 frame pointer in the prologue.
1562 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1564 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1565 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1567 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1569 * config/m68k/m68k.c (output_function_prologue): Typecast
1570 dwarf2out_cfi_label to (char *).
1571 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1573 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1575 * sparc.md (jump): Don't use the annul bit around an empty loop.
1576 Patch from Kevin.Kelly@East.Sun.COM.
1578 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1580 * jump.c: (jump_optimize): Don't use the return register as a
1581 source1 of a conditional move.
1583 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1585 * sparc.c (DF_MODES): Or the mask not the bit number.
1586 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1588 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1590 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1592 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1594 * fixincludes (size_t): Add support for Motorola's stdlib.h
1595 which fails to provide a definition for size_t.
1596 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1597 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1598 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1600 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1601 prevent unresolved externals in libio.
1602 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1604 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1606 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1607 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1608 (LIB_SPEC): Updated for glibc 2.
1610 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1612 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1613 * ginclude/varargs.h: Likewise.
1615 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1617 * version.c: Bump for snapshot.
1619 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1621 * frame.h (__register_frame, __register_frame_table,
1622 __deregister_frame): New.
1623 * frame.c (__register_frame, __register_frame_table,
1624 __deregister_frame): New.
1625 * frame.c (__deregister_frame_info): Return void *.
1626 * frame.h (__deregister_frame_info): Ditto.
1627 * collect2.c (__deregister_frame_info): Ditto.
1629 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1631 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1633 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1635 * alpha.c (alpha_cpu_name): New variable.
1636 (alpha_mlat_string): Likewise.
1637 (alpha_memory_latency): Likewise.
1638 (override_options): Handle -mmemory-latency.
1639 (alpha_adjust_cost): Adjust load cost for latency.
1640 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1641 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1642 TARGET_CIX into account.
1643 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1644 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1646 * alpha.h (ASM_COMMENT_START): New macro.
1648 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1650 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1651 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1653 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1654 SUBREG_REG if the word count is unchanged.
1655 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1656 subregs of identical word size for push_reload.
1658 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1660 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1661 if all we're doing is dealing with -Wreturn-type.
1663 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1665 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1666 Use and 255 instead of zapnot 1, since it schedules better.
1668 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1670 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1673 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1675 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1676 dependency we delete. Properly update prev for multiple consecutive
1678 (priority): Skip deleted dependence.
1680 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1682 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1684 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1686 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1687 determining when a new basic block starts.
1689 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1691 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1692 * pa.md (iorsi3): Add missing args to *_operand calls.
1694 * except.c (call_get_eh_context): Don't mess with sequences.
1695 (emit_eh_context): Include the call in the sequence here.
1697 1997-12-11 Paul Eggert <eggert@twinsun.com>
1699 * collect2.c (write_c_file_glob): Allocate initial frame object
1700 in static storage and pass its address.
1702 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1704 * except.c (call_get_eh_context): Don't take a parm.
1705 Put the call at the top of the function.
1706 (emit_eh_context): Adjust.
1707 (get_eh_context): Replace with former use_eh_context.
1708 (get_eh_context_once, get_saved_pc_ref): Remove.
1709 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1711 * integrate.c (expand_inline_function): Adjust.
1712 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1714 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1716 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1717 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1719 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1721 * fixincludes (strlen,strspn,strcspn return value): Handle different
1723 (hypot): Provide a fake for hypot which is broken on
1724 m88k-motorola-sysv3.
1726 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1728 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1729 tree_code_name from pointers to arrays.
1730 * tree.c: Remove standard_tree_code_* variables, no longer used.
1731 * print-tree.c: Remove declaration of tree_code_name.
1733 * cp/lex.c (init_lex): Update for tree_code_* changes.
1734 * objc/objc-act.c (init_objc): Likewise.
1736 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1739 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1741 * config.sub: Add support for BeOS target.
1742 * configure.in: Likewise.
1743 * ginclude/stdarg.h: Likewise.
1744 * ginclude/stddef.h: Likewise.
1745 * ginclude/varargs.h: Likewise.
1746 * rs6000/beos.h: New file for BeOS.
1747 * rs6000/t-beos: Likewise.
1748 * rs6000/x-beos: Likewise.
1749 * rs6000/xm-beos.h: Likewise.
1750 * toplev.c (get_run_time): Just return 0 on BeOS.
1752 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1753 Toon Moene (toon@moene.indiv.nluug.nl)
1755 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1756 old and broken Sun3 assemblers. Newer versions handle large
1757 offsets correctly as does the GNU assembler.
1759 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1761 * objc/objc-act.c (lang_report_error_function): Disable.
1762 * objc/objc-parse.y: Include "output.h".
1763 (yyerror): Remove redundant decl.
1764 (yyprint): Fix prototype.
1765 (apply_args_register_offset): Remove redundant decl.
1766 (get_file_function_name): Likewise.
1768 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1770 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1772 (find_basic_blocks_1): Likewise.
1774 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1776 * except.c (use_eh_context): Don't copy_rtx a REG.
1777 (emit_throw): Lose old unwinder support.
1778 (expand_internal_throw): Likewise.
1779 * libgcc2.c (struct eh_context): Likewise.
1780 (new_eh_context): Likewise.
1781 (__get_eh_info): Lose redundant cast.
1782 (__get_dynamic_handler_chain): Likewise.
1783 (__get_saved_pc): Lose.
1784 Lose all old unwinder support code.
1786 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1788 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1790 * integrate.c (expand_inline_function): If the inline fn uses eh
1791 context, make sure that the current fn has one.
1792 * toplev.c (rest_of_compilation): Call emit_eh_context.
1793 * except.c (use_eh_context): New fn.
1794 (get_eh_context_once): New fn.
1795 (call_get_eh_context): New fn.
1796 (emit_eh_context): New fn.
1797 (get_eh_context): Call either get_eh_context_once or
1798 call_get_eh_context, depending on what we have.
1799 (get_dynamic_handler_chain): Call get_eh_context_once.
1800 * except.h: Prototypes for fns above.
1801 * optabs.c (get_eh_context_libfunc): Removed.
1802 (init_optabs): Don't initialize it.
1803 * expr.h (get_eh_context_libfunc): Removed.
1804 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1805 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1806 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1807 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1808 New multilib for -threads.
1809 * config/sparc/t-sol2: Added multilibs for -threads and
1810 made -pthreads alias to it.
1811 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1812 Added -threads and -pthreads options.
1813 * libgcc-thr.h: New file.
1814 * libgcc2.c: (__get_cpp_eh_context): Removed.
1815 (struct cpp_eh_context): Removed.
1816 (struct eh_context): Replaced cpp_eh_context with generic language
1818 (__get_eh_info): New function.
1819 (__throw): Check eh_context::info.
1821 * libgcc2.c: Include libgcc-thr.h.
1822 (new_eh_context, __get_eh_context,
1823 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1824 eh_context_specific, eh_context_free): New functions.
1825 (get_eh_context, eh_context_key): New variables.
1826 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1827 get_eh_context to get the context.
1828 (longjmp): Move the declaration inside
1829 #ifdef DONT_USE_BUILTIN_SETJMP.
1830 * frame.c: Include libgcc-thr.h.
1831 (object_mutex): Mutex to protect the object list.
1832 (find_fde, __register_frame, __register_frame_table,
1833 __deregister_frame): Hold the lock while accessing objects.
1834 * except.h (get_eh_context): Declare.
1835 * except.c (current_function_ehc): Define.
1836 (current_function_dhc, current_function_dcc): Removed.
1837 (get_eh_context): New function.
1838 (get_dynamic_handler_chain): Use get_eh_context.
1839 (get_saved_pc_ref): Ditto.
1840 (get_dynamic_cleanup_chain): Removed references to
1841 current_function_dcc.
1842 (save_eh_status, restore_eh_status): Save and restore
1843 current_function_ehc instead.
1844 * optabs.c (get_eh_context_libfunc): New variable.
1845 (init_optabs): Initialize it.
1846 * expr.h: Declare get_eh_context_libfunc.
1847 * function.h (struct function): Replaced dhc and dcc with ehc.
1848 * except.c (get_saved_pc_ref): New functions.
1849 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1850 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1852 (end_eh_unwinder): Likewise.
1853 (init_eh): Remove initialization of eh_saved_pc.
1854 * optabs.c (get_saved_pc_libfunc): New variable.
1855 (init_optabs): Initialize it.
1856 * expr.h: Declare get_saved_pc_libfunc.
1857 * except.h (eh_saved_pc_rtx): Deleted.
1858 (get_saved_pc_ref): Declared.
1860 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1861 * libgcc2.c (__get_saved_pc): New.
1862 (__eh_type, __eh_pc): Deleted.
1863 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1864 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1867 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1869 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1870 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1873 * rtl.h (global_rtl): New variable, replacing separate variables for
1875 (const_int_rtx): Now array of rtx_def, not rtx.
1876 * emit-rtl.c: Update for new rtl data structures.
1877 * genattrtab.c: Define global_rtl.
1879 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1881 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1884 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1886 * crtstuff.c (__do_global_ctors): Fix typo.
1888 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1890 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1891 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1893 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1895 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1896 * rs6000.c (function_arg_padding): New function.
1898 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1900 * m68k.c: Include tree.h only once.
1902 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1904 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1906 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1908 * Partially cleaned up prototyping code from HJ.
1909 * tree.h: Add many prototypes.
1910 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1911 All references changed.
1912 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1914 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1916 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1917 string functions like strlen.
1919 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1921 * configure.in: Check for functions getrlimit and setrlimit.
1922 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1923 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1925 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1927 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1929 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1931 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1934 * alpha.c (override_options): Don't know about scheduling for EV6.
1935 * alpha.md (ev5 function units): Don't overload as ev6.
1937 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1938 * alpha.md (define_attr type): Add mvi.
1939 (ev5_e0): Define sceduling parameters for it.
1940 (TARGET_MAX insns): Type is mvi not shift.
1942 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1944 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1946 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1948 * cstamp-h, auto-config.h: Delete.
1950 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1952 * version.c: Bump for snapshot.
1954 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1956 * cccp.c: Fix typo brought over in merge.
1958 * Merge in changes from gcc-2.8.
1960 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1962 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1964 * gcc.c (process_command): Do not take address of function fatal when
1965 calling lang_specific_driver.
1967 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1969 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1970 doesn't work with it yet, so set it to 0.
1971 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1973 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1975 * cse.c (cse_insn): Check for invalid entries when taking references.
1977 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1979 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1980 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1981 * toplev.c (rest_of_compilation): Pass it. Remove code to
1982 save / clear / restore flag_unroll_{,all_}loops.
1984 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1986 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1988 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1990 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1992 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1994 * except.c (get_dynamic_handler_chain): Only make the call once per
1997 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1999 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2001 * sh.c (final_prescan_insn): Use local label prefix
2002 when emitting .uses pseudo-ops.
2004 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2006 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2007 * except.c: Lose outer_context_label_stack.
2008 (expand_eh_region_end): Rethrow from outer_context here.
2009 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2010 (expand_internal_throw): Take no args.
2011 (expand_internal_throw_indirect): Lose.
2012 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2013 (expand_start_all_catch): Start a rethrow region.
2014 (expand_end_all_catch): End it.
2015 (expand_rethrow): New fn.
2016 * except.h: Reflect above changes.
2017 * flow.c: Revert change of Nov 27.
2019 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2021 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2023 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2025 * except.c (expand_fixup_region_end): New fn.
2026 (expand_fixup_region_start): Likewise.
2027 (expand_eh_region_start_tree): Store cleanup into finalization here.
2028 * stmt.c (expand_cleanups): Use them to protect fixups.
2030 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2032 * mips/mips.md (muldi3_r4000): Broaden the output template
2033 and attribute assignments to handle three operand dmult;
2034 rename to muldi3_internal2.
2035 (muldi3): Call the new muldi3_internal2 for R4000, and
2036 any GENERATE_MULT3 chip.
2038 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2040 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2042 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2044 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2045 with a dest_reg that was created by loop.
2047 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2049 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2051 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2053 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2055 * configure.in: Fix NCR entries.
2057 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2059 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2060 nested exceptions correctly.
2062 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2063 that was created by loop.
2065 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2067 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2069 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2071 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2073 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2074 (print_operand): Use SMALL_DATA_REG for the register involved in
2075 small data relocations.
2076 (print_operand_address): Ditto.
2078 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2079 -dynamic linker is not used.
2081 * rs6000.md (call insns): For local calls, use @local suffix under
2082 System V. Don't use @plt under Solaris.
2084 * rs6000.c (output_function_profiler): Put label address in r0, and
2085 store LR in 4(sp) for System V/eabi.
2087 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2088 byte boundary, and maintain stack backchain.
2090 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2092 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2093 fix_truncsfdi2): Change *.
2095 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2097 * toplev.c (main): Complain about -gdwarfn.
2099 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2101 * dwarfout.c (output_type): If finalizing, write out nested types
2102 of types we've already written.
2104 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2106 (patches originally from Geoffrey Keating)
2107 * rs6000.c (function_arg): Excess floating point arguments don't
2108 go into GPR registers after exhausting FP registers under the
2110 (function_arg_partial_nregs): Ditto.
2112 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2115 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2117 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2119 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2121 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2124 * libgcc2.c (__throw): Initialize HANDLER.
2126 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2128 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2129 fix_truncsfdi2): Change *X to ?*X.
2131 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2133 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2135 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2137 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2139 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2141 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2143 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2145 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2146 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2149 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2151 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2152 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2153 gas and not using the new HP assembler.
2155 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2157 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2158 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2160 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2162 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2163 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2166 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2168 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2170 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2172 * except.h: Add outer_context_label_stack.
2173 * except.c: Likewise.
2174 (expand_start_all_catch): Push the outer_context for the try block
2175 onto outer_context_label_stack.
2176 (expand_end_all_catch): Use it and pop it.
2178 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2180 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2182 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2184 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2186 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2188 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2189 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2191 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2193 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2194 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2195 __builtin_delete, and __builtin_vec_delete.
2197 * except.c (output_exception_table): Don't bother with
2200 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2202 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2203 is an in/out operand.
2204 (zero extended variants of stwm/stwm patterns): Similarly.
2206 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2208 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2210 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2212 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2213 (output_call_frame_info): Emit a \n after using it.
2215 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2217 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2219 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2221 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2222 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2223 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2225 (output_call_frame_info): Do not output forward label differences
2226 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2227 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2229 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2231 * sh.md (attribute "type"): Add nil.
2232 (movsi_ie): y/y alternative is type nil.
2233 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2235 (movsf_ie+1): Delete.
2237 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2239 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2240 large_int, emit two insns instead of one splitable insn.
2241 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2242 from cfa_temp_value, use cfa_offset. Add assert checking that
2245 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2247 * cccp.c (deps_output): Properly quote file names for make.
2249 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2251 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2253 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2255 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2257 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2259 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2261 (cse_end_of_basic_block): Similarly.
2263 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2265 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2266 (SELECT_RTX_SECTION): Define.
2267 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2269 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2271 * Makefile.in (compare, compare-lean): Define $stage for each
2273 (gnucompare, gnucompare-lean): Likewise.
2275 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2277 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2279 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2280 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2282 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2284 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2285 and add case to handle STRING_TYPE.
2286 * dwarfout.c (output_string_type_die): Fix code to generate
2287 correct string length attribute for fixed length strings.
2288 Still needs support for varying length strings.
2290 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2292 * toplev.c (get_run_time): Do something sensible for cygwin32.
2294 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2296 * expr.c (expand_builtin_setjmp): Set
2297 current_function_has_nonlocal_label.
2298 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2299 call-saved registers across calls.
2301 * alpha.md (exception_receiver): Remove.
2302 (nonlocal_goto_receiver_osf): New
2303 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2304 (nonlocal_goto_receiver): New, select _osf or _vms.
2306 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2307 keep them from being propogated to the object file.
2308 (alpha_write_linkage): Likewise.
2309 * alpha.md (call_vms): Likewise.
2310 (call_value_vms): Likewise.
2311 (unnamed osf call insns): Likewise.
2313 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2314 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2316 * alpha.c (call_operand): Any reg is valid for WinNT.
2317 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2318 (anon nt calls): Add 'R' alternative.
2319 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2320 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2322 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2324 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2326 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2327 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2328 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2330 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2332 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2333 spill error message.
2335 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2337 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2338 use varargs.h. Wrap header with <>, not "".
2340 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2342 * integrate.c (save_for_inline_copying): Add return value from
2345 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2347 * fixincludes: Be a little more restrictive on what we will
2348 substitute to replace definitions of MAXINT for HPUX.
2350 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2352 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2353 whose address is the stack or argument pointers are indirect
2356 1997-11-13 Paul Eggert <eggert@twinsun.com>
2358 * cccp.c, cpplib.c (compare_defs):
2359 Don't complain about arg name respellings unless pedantic.
2360 * cpplib.c (compare_defs): Accept pfile as new arg.
2361 All callers changed.
2363 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2365 * fold-const.c (fold_truthop): Fix bug in last change.
2367 1997-11-13 Paul Eggert <eggert@twinsun.com>
2369 Fix some confusion with IEEE minus zero.
2371 * real.h (REAL_VALUES_IDENTICAL): New macro.
2373 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2374 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2376 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2377 same tree structure as 0.0.
2379 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2380 macro instead of doing it by hand.
2382 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2384 * v850/lib1funcs.asm: Minor whitespace changes.
2385 * v850.c: Fix minor formatting problems in many places.
2386 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2388 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2390 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2391 xplus1 when xplus0 is not a register.
2393 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2395 * flow.c (find_basic_blocks): During marking phase, if we encounter
2396 an insn with a REG_LABEL note, make the target block live and
2397 create an edge from the insn to the target block. Do not make
2398 edges from all blocks to the target block.
2400 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2402 * confiugre.in: Tweak NCR entries.
2403 * configure: Rebuilt.
2405 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2407 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2408 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2409 and CONST_DOUBLE_HIGH.
2411 * rs6000.md (define_splits for DF constants): Use the appropriate
2412 REAL_VALUE_* interface to pick apart DF floating point constants in
2413 a machine independent fashion.
2415 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2417 * fold-const.c (fold_truthop): When changing a one-bit comparison
2418 against zero into a comparison against mask, do a proper sign
2421 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2423 * except.c: Do not include "assert.h".
2424 (save_eh_status): Turn asserts into conditional aborts.
2425 (restore_eh_status, scan_region): Likewise.
2426 * dwarfout.c: Do not include "assert.h".
2427 (bit_offset_attribute): Turn asserts into conditional aborts.
2428 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2429 (output_inlined_structure_type_die): Likewise.
2430 (output_inlined_union_type_die): Likewise
2431 (output_tagged_type_instantiation): Likewise.
2432 (dwarfout_file_scope_decl): Likewise.
2433 * dwarf2out.c: Do not include "assert.h"
2434 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2435 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2436 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2437 (add_bit_size_attribute, scope_die_for): Likewise.
2438 (output_pending_types_for_scope): Likewise.
2439 (get_inlined_enumeration_type_die): Likewise.
2440 (get_inlined_structure_type_die): Likewise.
2441 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2442 (gen_tagged_type_instantiation_die): Likewise.
2444 * flow.c (find_basic_blocks): Refine further to get a more correct
2445 cfg, especially in the presense of exception handling, computed
2446 gotos, and other non-trivial cases. Call abort if an inaccuracy
2447 is detected in the cfg.
2449 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2451 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2453 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2454 (skip_white_space): Use whitespace_cr.
2455 (check_newline): Handle whitespace more consistently.
2457 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2459 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2460 * i386/xm-cygwin32.h (POSIX): Define.
2462 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2464 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2465 is available elsewhere.
2467 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2469 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2470 what the instruction can handle.
2472 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2474 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2476 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2478 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2480 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2481 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2483 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2485 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2486 swap instruction order.
2488 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2490 * fixinc.svr4 (__STDC__): Add another case.
2492 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2494 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2495 addresses in the epilogue delay slot.
2497 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2499 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2500 in generated `specs' file.
2502 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2504 * flags.h (flag_rerun_loop_opt): Declare.
2505 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2506 * toplev.c (flag_rerum_loop_opt): Delete static.
2508 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2510 Bring over from FSF:
2512 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2514 * va-sh.h (__va_arg_sh1): Define.
2516 SH3E doesn't use any integer registers for subsequent arguments
2517 once a non-float value was passed in the stack.
2518 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2519 alignment in front label for ADDR_DIFF_VEC.
2520 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2521 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2523 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2525 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2528 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2530 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2531 put an use_sfunc_addr before each sfunc.
2532 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2533 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2535 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2537 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2539 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2541 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2544 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2546 * alias.c (find_base_value): Only return the known base value for
2549 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2551 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2552 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2554 (prologue_get_pc_and_set_got): New pattern.
2556 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2558 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2559 for SUBREG, just fall through.
2561 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2563 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2565 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2567 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2569 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2570 (USE_HOST_ALLOCA): Likewise.
2572 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2573 and LABEL_REFS fields.
2574 * rtl.h (LABEL_REFS): Update.
2576 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2578 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2579 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2580 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2583 * mips.md (insv, extzv, extv): Add change_address call.
2584 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2586 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2588 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2590 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2591 save_restore_insns if no FP and GP will be restored.
2593 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2594 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2596 * acconfig.h (HAVE_INTTYPES_H): Undef.
2597 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2598 and inttypes.h, and verify that intmax_t is defined.
2599 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2600 * config/mips/x-iris3: Likewise.
2602 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2604 * alias.c (find_base_value): When copying arguments, return the
2605 tenative value for a hard register.
2607 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2609 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2610 (yylex): Record wide strings using target endianness, not host.
2612 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2614 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2615 (ASM_OUTPUT_ALIGNED_BSS): New macro
2616 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2617 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2618 * v850.h (ASM_OUTPUT_BSS): Delete.
2619 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2621 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2623 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2625 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2627 * configure.in (sco5): Use cpio to install header files.
2629 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2631 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2633 * configure: Rebuild.
2635 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2637 * i386/sco5.h: enable -gstabs once again.
2639 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2641 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2643 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2645 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2646 notes for sjlj exceptions too.
2647 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2648 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2649 * final.c (final_scan_insn): Don't output labels for EH REGION
2650 notes if doing sjlj exceptions.
2652 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2654 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2655 optimizing correctly.
2657 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2658 or set current_function_calls_setjmp anymore.
2660 * flow.c (find_basic_blocks): If we delete the label for an
2661 exception handler, remove it from the EH label list and remove
2662 the EH_BEGIN/EH_END notes for that EH region.
2664 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2666 * flow.c (find_basic_blocks): Generate correct flow control
2667 information when exception handling notes are present.
2669 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2671 * dwarf2out.c (output_call_frame_info): Fix length argument
2672 to ASM_OUTPUT_ASCII.
2673 (output_die, output_pubnames, output_line_info): Likewise.
2675 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2677 * version.c: Bump for snapshot.
2679 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2680 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2681 flag_debug_asm is on.
2682 (output_die, output_pubnames, output_line_info): Likewise.
2684 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2685 and static_chain_rtx into the potential base values array if
2688 * alias.c (new_reg_base_value): New array of potential base values.
2689 (unique_id): Now file scoped static.
2690 (find_base_value, case REG): Return the value in reg_base_value
2691 array for the REG if it exists. Else, return the value from
2692 new_reg_base_value if copying args and REG is a hard register.
2693 (find_base_value, case PLUS): If either operand of the PLUS is
2694 a REG, try to get its base value. Handle base + index and
2696 (record_set): Use new_reg_base_value instead of reg_base_value.
2697 (init_alias_analysis): Allocate space for new_reg_base_value too.
2698 Rework code to iterate over the insns propagating base value
2699 information until nothing changes.
2701 * global.c (global_alloc): Free the conflict matrix after
2702 reload has finished.
2704 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2706 * libgcc2.c (L_eh): Define __eh_pc.
2707 Replace __eh_type with generic pointer __eh_info.
2709 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2711 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2712 use copy_to_reg if address is not a general_operand.
2714 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2716 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2717 for the duration of the call to rest_of_compilation.
2719 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2721 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2723 (sparc*-*-*): Recognize --with-cpu=v9.
2724 * sparc/elf.h: New file.
2725 * sparc/t-elf: New file.
2727 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2729 * mn10300.c (const_8bit_operand): New function.
2730 (mask_ok_for_mem_btst): New funtion.
2731 * mn10300.md (btst patterns with mem operands): Use new functions
2732 to avoid creating btst instructions with invalid operands.
2734 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2736 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2737 are running on PowerPC Linux.
2739 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2741 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2742 if not previously defined.
2744 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2746 * function.c (assign_parms): Correct mode of stack_parm if
2747 entry_parm underwent a mode conversion.
2749 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2751 * global.c (global_alloc): Use xmalloc instead of alloca for
2752 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2753 than 2.5Mb sometimes.
2755 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2757 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2758 DEST for the spill, adjust mode of SRC to compensate.
2760 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2762 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2763 since any_memory_operand() allows pseudos during reload.
2764 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2766 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2768 * m68k.md (btst patterns): Add 5200 support.
2770 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2772 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2773 optimizations, look inside dividend to determine if the expression
2774 can be simplified by using EXACT_DIV_EXPR.
2776 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2779 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2781 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2783 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2785 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2787 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2790 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2792 * alpha.md (movqi, movhi): Make sure new insns created during reload
2793 won't need reloading themselves.
2794 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2796 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2798 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2800 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2802 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2803 Patch from Klaus Kaempf <kkaempf@progis.de>.
2805 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2807 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2808 to an element in a constant string.
2810 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2812 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2813 bit PC-relative offset. The exception range table pointer is now in
2815 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2816 (count_fdes, add_fdes, get_cie): Adjust.
2817 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2820 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2822 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2824 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2825 like stack_pointer_rtx.
2827 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2829 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2830 targets using "$@" to provide support for similar but not identical
2831 targets without having to duplicate code.
2832 (bootstrap4): New goal.
2834 * Makefile.in (compare, compare-lean, compare3): Combined to one
2835 ruleset determining actions to be performed via $@.
2836 (compare4, compare4-lean): New targets.
2837 (gnucompare, gnucompare3): Combined to one ruleset determining
2838 actions to be performed via $@. Also, note which files failed
2839 the comparison test in .bad_compare.
2840 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2842 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2844 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2845 if the dividend is a multiple of the divisor.
2847 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2849 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2851 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2854 * alias.c (true_dependence): Fix typo.
2856 * toplev.c (flag_rerun_loop_opt): New variable.
2857 (f_options): Handle -frerun-loop-opt.
2858 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2860 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2862 * loop.c (simplify_giv_expr): Adding two invariants results
2865 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2867 * expr.c (get_inner_reference): Remove the array bias after
2868 converting the index to Pmode.
2870 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2872 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2873 (TARGET_MULT_BUG): Define.
2874 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2875 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2877 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2879 * mn10200.c (indirect_memory_operand): Delete unused function.
2880 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2881 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2883 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2885 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2886 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2887 for more than scheduling.
2889 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2891 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2893 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2895 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2896 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2897 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2899 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2901 * version.c: Bump for snapshot.
2903 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2905 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2908 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2910 * toplev.c (flag_exceptions): Default value is 2.
2911 (compile_file): If flag_exceptions still has the value 2, then
2914 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2915 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2916 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2918 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2921 * rs6000.md (*movsi_got_internal_mem): New pattern.
2922 (*movsi_got_internal_mem splitter): New define_split.
2924 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2926 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2928 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2930 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2931 only need to save LR.
2933 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2935 * mn10300.md (movqi, movhi): Avoid using address registers as
2936 destinations unless absolutely necessary.
2938 * mn10200.c (expand_prologue): Fix typo.
2940 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2942 * mn10200.md (neghi2): Provide an alternative which works if
2943 the input and output register are the same.
2945 * mn10300.c (print_operand): Handle 'S'.
2946 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2947 shift amount in last alternative
2949 * mn10300.c (expand_epilogue): Rework to handle register restores
2950 in "ret" and "retf" instructions correctly.
2952 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2954 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2955 extzv for memory operands.
2957 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2958 redundant conditional moves to single operand.
2960 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2962 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2965 * xm-v850.h: Use __v850 rather than __v850__ to
2968 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2970 * mips/mips.c (compute_frame_size): Not a leaf function if
2973 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2975 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2977 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2979 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2980 (DEFAULT_ARCH32_P): New macro.
2981 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2982 (enum cmodel): Declare.
2983 (sparc_cmodel_string,sparc_cmodel): Declare.
2984 (SPARC_DEFAULT_CMODEL): Provide default.
2985 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2986 (TARGET_FULLANY): Deleted.
2987 (TARGET_CM_MEDMID): New macro.
2988 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2989 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2990 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2991 (CPP_SPEC): Rewrite.
2992 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2993 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2994 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2995 (ASM_SPEC): Add %(asm_arch).
2996 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2997 Rename asm_default to asm_cpu_default.
2998 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2999 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3000 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3001 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3002 (MASK_INT64,MASK_LONG64): Delete.
3003 (MASK_ARCH64): Renamed to MASK_64BIT.
3004 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3005 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3006 (TARGET_SWITCHES): Always provide 64 bit options.
3007 (ARCH64_SWITCHES): Delete.
3008 (TARGET_OPTIONS): New option -mcmodel=.
3009 (INT_TYPE_SIZE): Always 32.
3010 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3011 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3012 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3013 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3014 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3016 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3017 * sparc/linux.h: Likewise.
3018 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3019 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3020 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3021 (SPARC_DEFAULT_CMODEL): Define.
3022 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3023 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3024 (LONG_DOUBLE_TYPE_SIZE): Define.
3025 (ASM_SPEC): Add %(asm_arch).
3026 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3027 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3028 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3029 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3030 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3031 (SPARC_DEFAULT_CMODEL): Define.
3032 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3033 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3034 MASK_LONG64, MASK_MEDANY.
3035 (SPARC_DEFAULT_CMODEL): Define.
3036 (CPP_PREDEFINES): Delete.
3037 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3038 (ASM_SPEC): Add %(asm_arch).
3039 (LONG_DOUBLE_TYPE_SIZE): Define.
3040 (DWARF2_DEBUGGING_INFO): Define.
3041 * sparc/splet.h (CPP_SPEC): Delete.
3042 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3043 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3044 (BLOCK_PROFILER): Likewise.
3045 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3046 (sparc_override_options): Handle code model selection.
3047 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3048 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3049 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3050 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3051 (sethi_di_fullany): Delete.
3053 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3054 Jeff Law <law@cygnus.com>
3055 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3057 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3058 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3059 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3060 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3061 * alpha/alpha.md (arg_home): Likewise.
3063 * alpha/alpha.c (vmskrunch): Delete
3064 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3065 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3066 truncate to 64 characters.
3068 * make-l2.com: Support openVMS/Alpha.
3070 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3072 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3074 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3076 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3078 * i386/bsd386.h (ASM_COMMENT_START): Define.
3080 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3082 * tree.c (restore_tree_status): Also free up temporary storage
3083 when we finish a toplevel function.
3084 (dump_tree_statistics): Print stats for backend obstacks.
3086 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3088 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3090 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3092 * libgcc2.c (__throw): Don't copy the return address.
3093 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3095 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3096 * toplev.c (main): Initialize exceptions_via_longjmp.
3098 * tree.c: Add extra_inline_obstacks.
3099 (save_tree_status): Use it.
3100 (restore_tree_status): If this is a toplevel inline obstack and we
3101 didn't want to save anything on it, recycle it.
3102 (print_inline_obstack_statistics): New fn.
3103 * function.c (pop_function_context_from): Pass context to
3104 restore_tree_status.
3105 * obstack.h (obstack_empty_p): New macro.
3107 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3109 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3111 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3113 * v850.c (ep_memory_offset): New function.
3114 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3116 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3117 (CONSTANT_ADDRESS_P): Add comment.
3118 (EXTRA_CONSTRAINT): Define 'U'.
3119 * v850.md: Add comments on bit field instructions.
3120 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3121 (lshrsi3): Use N not J constraint.
3123 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3125 * v850.c (reg_or_0_operand): Call register_operand.
3126 (reg_or_int5_operand): Likewise.
3127 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3128 (TARGET_SWITCHES): Add "big-switch".
3129 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3130 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3131 (CASE_DROPS_THROUGH): Comment out.
3132 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3133 * v850.md (cmpsi): Delete compare mode.
3134 (casesi): New pattern.
3136 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3137 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3138 (lshrsi3): Likewise.
3140 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3141 unreachable switch statement after 'b' support. Remove "b" from
3142 strings for 'b' support.
3143 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3145 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3147 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3148 empty line if @inhibit_libc@ is empty.
3150 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3152 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3153 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3154 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3155 (DWARF2_UNWIND_INFO): Let this track object file format.
3156 (EXTRA_SECTIONS): Add in_eh.
3157 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3158 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3160 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3162 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3163 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3165 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3166 (output_double_int): Output DI mode values correctly when
3167 HOST_BITS_PER_WIDE_INT is 64.
3168 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3169 fmovd so it works if a quad float ends up in one of the upper 32
3171 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3172 necessary for PIC support on sparc64.
3174 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3176 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3177 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3178 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3179 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3180 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3181 (SPARC_FP_ARG_FIRST): New macro.
3182 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3183 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3184 (NPARM_REGS): There are 32 fp argument registers now.
3185 (FUNCTION_ARG_REGNO_P): Likewise.
3186 (FIRST_PARM_OFFSET): Update to new v9 abi.
3187 (REG_PARM_STACK_SPACE): Define for arch64.
3188 (enum sparc_arg_class): Delete.
3189 (sparc_arg_count,sparc_n_named_args): Delete.
3190 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3191 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3192 (FUNCTION_ARG_ADVANCE): Rewrite.
3193 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3194 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3195 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3196 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3197 (STRICT_ARGUMENT_NAMING): Define.
3198 (doublemove_string): Declare.
3199 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3200 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3201 (doublemove_string): New function.
3202 (output_move_quad): Clean up some of the arch64 support.
3203 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3204 Don't add 8 bytes of reserved space if arch64.
3205 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3206 (init_cumulative_args): New function.
3207 (function_arg_slotno): New static function.
3208 (function_arg,function_arg_partial_nregs): New functions.
3209 (function_arg_{pass_by_reference,advance}): New functions.
3210 (function_arg_padding): New function.
3211 * ginclude/va-sparc.h: Rewrite v9 support.
3213 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3215 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3216 for hard regs to determine base and index registers.
3218 * reload.c (debug_reload_to_stream): New function. Specify stream
3219 into which to write debug info.
3220 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3222 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3224 * combine.c (can_combine_p): Don't combine with an asm whose
3225 output is a hard register.
3227 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3229 * c-decl.c (start_struct): Ensure that structs with forward
3230 declarations are in fact packed when -fpack-struct is given.
3232 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3233 we are packing a structure. This allows a structure with only
3234 bytes to be aligned on a byte boundary and have no padding on a
3237 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3239 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3241 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3243 * alpha.c (alpha_return_addr_rtx): New variable.
3244 (alpha_save_machine_status): New; save it.
3245 (alpha_restore_machine_status): New; restore it.
3246 (alpha_init_expanders): New; clear it.
3247 (alpha_return_addr): New; set it.
3248 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3249 is overly conservative, so search the insns explicitly.
3250 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3251 (alpha_sa_size [VMS && !VMS]): Likewise.
3252 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3253 (INIT_EXPANDERS): New definition.
3255 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3256 (output_prolog [!VMS]): Use them.
3258 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3259 (alpha_does_function_need_gp): ... a new function. Refine the
3260 CALL_INSN test to just TYPE_JSR.
3261 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3263 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3265 * version.c: Bump for snapshot.
3267 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3269 * pa.c (move_operand): Respect -mdisable-indexing.
3270 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3272 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3274 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3276 (umulsidi3,umulsi3_highpart): Ditto.
3277 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3279 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3281 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3282 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3283 function in one go. Emit RTL for trapb, instead of printf directly.
3284 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3285 (trap_pending): Kill global variable.
3286 (output_epilog): Don't call final_prescan_insn.
3287 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3288 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3289 (MACHINE_DEPENENT_REORG): Define.
3290 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3293 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3295 Tune Haifa scheduler for Alpha:
3296 * alpha.h (ISSUE_RATE): Define.
3297 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3298 EV4 adjustments to EV5.
3299 * alpha.md: Remove all scaling from function unit delays. Rework
3300 EV5 function units to match the CPU.
3301 (umuldi3_highpart): EV5 added the IMULH insn class.
3303 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3305 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3308 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3310 * cplus-dem.c (demangle_signature): Don't look for return types on
3311 constructors. Handle member template constructors.
3313 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3315 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3316 * tree.h: Declare them.
3318 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3320 * configure.in: Handle --with-newlib.
3321 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3323 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3325 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3327 * config/ptx4.h: Fix typo.
3329 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3331 * version.c: Bump for snapshot.
3333 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3335 * aclocal.m4: Substitute INSTALL.
3336 * configure: Re-built.
3338 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3340 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3342 (expand_inline_function): Likewise.
3344 * dwarf2out.c (output_call_frame_info): Reinstate last change
3345 using flag_debug_asm check instead of flag_verbose_asm.
3347 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3349 * dwarf2out.c (output_call_frame_info): Remove last change.
3351 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3353 * frame.c (__frame_state_for): Execute the FDE insns until the
3354 current pc value is strictly bigger than the target pc value.
3356 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3358 * regclass.c (init_reg_modes): If we can't find a mode for the
3359 register, use the previous one.
3361 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3363 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3364 don't sprintf through an alloca'ed buffer.
3366 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3368 * reload.c (decompose): Always initialize val.base.
3370 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3372 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3373 instead of aborting.
3374 * dwarf2out.c (output_call_frame_info): Call app_enable and
3375 app_disable to let GNU as accept the generated comments.
3377 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3379 * tree.h (get_file_function_name): Add declaration.
3380 * dwarf2out.c (output_call_frame_info): No need to cast
3381 get_file_function_name call anymore.
3382 * profile.c (toplevel): Remove get_file_function_name
3384 * c-lang.c (finish_file): Ditto.
3386 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3388 * Makefile.in (program_transform_name): Let autoconf substitute
3391 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3393 * haifa-sched.c (schedule_block): If the first real insn in a
3394 block has any special notes attached to it, remove them.
3396 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3398 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3400 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3402 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3404 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3406 * Makefile.in (check-g77): New test target.
3407 (CHECK-TARGETS): Add check-g77.
3409 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3411 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3413 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3415 * flow.c (print_rtl_with_bb): Cast alloca return value for
3418 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3420 * i386.h (RETURN_ADDR_RTX): New definition that works for
3421 __builtin_return_address(0) and -fomit-frame-pointer.
3423 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3425 Bring over from FSF.
3426 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3428 * mips.c (function_arg): Handle passing a struct
3429 containing a double in a DFmode register without the PARALLEL.
3431 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3433 * pexecute.c: Use spawn if __CYGWIN32__.
3435 * pexecute.c: Include "config.h" first, as per autoconf manual
3436 (from Paul Eggert <eggert@twinsun.com>).
3438 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3440 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3441 optimisation for f/expr.o and f/stb.o.
3443 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3445 * cse.c (this_insn_cc0_mode): Initialize.
3447 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3449 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3451 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3453 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3455 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3456 that pair will dual-issue on the 21164 and plus+beq won't.
3457 (bne): Likewise for cmpeq+beq.
3459 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3461 * except.c (find_exception_handler_labels): Correct argument to free.
3463 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3465 * except.c (find_exception_handler_labels): Free LABELS when we're
3468 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3470 * version.c: Bump for snapshot.
3472 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3474 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3477 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3479 * configure.in: Substitute for "install" too.
3480 * configure: Rebuilt.
3482 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3484 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3486 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3488 * alias.c (base_alias_check): Two symbols can conflict if they
3489 are accessed via AND.
3490 (memrefs_conflict_p): Likewise.
3492 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3493 after flushing argument registers to the stack.
3495 * Makefile.in (mostlyclean): Remove .regmove files.
3497 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3499 * libgcc2.c (__throw): Fix thinko.
3501 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3503 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3504 template-function mangling.
3505 (consume_count_with_underscores): New function.
3506 (demangle_signature): Handle new name-mangling scheme.
3508 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3510 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3513 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3515 * frame.c: Remove last change.
3516 * dwarf2.h: Remove last change.
3517 * tree.h: Add declarations of DWARF2 unwind info support
3520 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3522 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3523 * tree.h (built_in_function): Likewise.
3524 * expr.c (expand_builtin): Likewise.
3525 * except.h: Likewise.
3526 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3527 * libgcc2.c (copy_reg): New fn.
3530 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3532 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3533 unsigned if -W is specified and -Wno-sign-compare is not.
3534 * c-decl.c (warn_sign_compare): Initialize to -1.
3535 (c_decode_option): -Wall no longer implies -Wsign-compare.
3537 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3539 * frame.c: Include gansidecl.h for PROTO.
3540 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3541 defined. Don't declare dwarf2out_cfi_label here.
3542 * dwarf2.h: Add declarations of DWARF2 unwind info support
3544 * m68k.c: Include dwarf2.h.
3545 (output_function_prologue): Add dwarf2 support.
3546 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3547 (INCOMING_FRAME_SP_OFFSET): Likewise.
3549 * integrate.c (expand_inline_function): Make sure there is at
3550 least one insn that can be used as an insertion point.
3552 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3554 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3556 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3558 * version.c: Bump for snapshot.
3560 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3562 Bring over from FSF.
3564 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3566 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3567 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3568 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3570 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3572 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3573 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3575 (sparc_align_{loops,jumps,funcs}_string): Declare.
3576 (sparc_align_{loops,jumps,funcs}): Declare.
3577 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3578 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3579 (STACK_BIAS): Define.
3580 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3582 (SPARC_SETHI_P): New macro.
3583 (CONST_OK_FOR_LETTER_P): Use it.
3584 (ASM_OUTPUT_ALIGN_CODE): Define.
3585 (ASM_OUTPUT_LOOP_ALIGN): Define.
3586 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3587 (sparc_align_{loops,jumps,funcs}): New globals.
3588 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3590 (move_operand): Use SPARC_SETHI_P.
3591 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3593 (arith11_double_operand): Likewise.
3594 (arith10_double_operand): Likewise.
3595 (finalize_pic): Finish sparc64 support.
3596 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3597 64 bit constants if able.
3598 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3599 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3601 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3602 (get_pc_sp32): Use for sparc64 as well.
3603 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3604 (sethi_di_sp64_const): Likewise.
3605 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3606 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3607 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3609 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3611 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3612 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3613 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3615 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3617 Add sparc64 linux support.
3618 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3619 to xm_file list on 32-bit sparc-linux.
3620 * sparc/xm-sp64.h: New file.
3621 * sparc/linux64.h: New file.
3622 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3623 Don't include xm-sparc.h.
3624 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3625 * glimits.h (LONG_MAX): Handle sparc64.
3627 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3629 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3630 * sparc.h (ASM_COMMENT_START): Define.
3631 * sparc.c (output_function_prologue): Use it.
3632 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3634 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3636 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3637 use sparc.h's copies.
3638 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3641 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3643 * sparc.c (dwarf2out_cfi_label): Add declaration.
3644 (save_regs, output_function_prologue): Remove cast for it.
3645 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3646 ({save,restore}_regs): No longer inline.
3648 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3650 * fold-const.c (make_range): Correctly handle cases of converting
3651 from unsigned to signed type.
3653 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3655 * fold-const.c (merge_ranges): Make sure that if one range is subset
3656 of another, it will always be the second range. Correct (+,-) case to
3659 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3661 * final.c (final_end_function): Also do dwarf2 thing if
3662 DWARF2_DEBUGGING_INFO.
3663 (final_start_function): Likewise.
3665 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3667 * expmed.c (expand_divmod): If compute_mode is not the same as
3668 mode, handle the case where convert_modes() causes op1 to no
3669 longer be a CONST_INT.
3671 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3672 note holding get_jump_flags() calculation to all JUMP_INSNs.
3673 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3674 * rtl.c (reg_note_name): Add new note types.
3676 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3678 * rtlanal.c (computed_jump_p): Fix typo in last change.
3680 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3682 * loop.c (indirect_jump_in_function_p): Return 0
3685 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3687 * rs6000/xm-rs6000.h: Fix thinko in last change.
3688 * rs6000/xm-sysv4.h: Likewise.
3690 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3692 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3694 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3696 * reg-stack.c (find_blocks): Fix thinko in last change.
3698 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3700 * m68k.c (output_function_prologue): Add dwarf2 support.
3702 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3703 INCOMING_FRAME_SP_OFFSET): New definitions.
3705 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3707 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3708 appropriate in calls to gen_rtx().
3709 * cse.c (cse_main): Likewise.
3710 * emit-rtl.c (gen_label_rtx): Likewise.
3711 * expr.c (init_expr_once): Likewise.
3712 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3713 sched_analyze, init_rgn_data_dependences,
3714 compute_block_backward_dependences): Likewise.
3715 * sched.c (schedule_insns): Likewise.
3716 * varasm.c (immed_double_const): Likewise.
3718 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3719 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3721 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3723 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3724 (MULTILIB_DEFAULTS): Define.
3725 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3726 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3727 (LIBGCC_SPEC): Likewise.
3728 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3729 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3730 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3731 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3732 (EXTRA_PARTS, TAROUTOPTS): Delete.
3733 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3734 (MULTILIB_OPTIONS): Define.
3735 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3736 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3738 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3740 * version.c: Bump for snapshot.
3742 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3744 * loop.c (loop_number): Delete function. Change all references
3745 to use uid_loop_num array.
3746 * loop.h (loop_number): Delete declaration.
3747 * unroll.c (unroll_loop): Change "loop_number" references to
3748 use uid_loop_num instead.
3750 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3752 (loop_unroll_iter): Remove unused variable and all references.
3753 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3754 (insert_bct): Fix minor formatting problems.
3755 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3756 (loop_unroll_iter): Removed unused decl.
3757 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3758 Always record the unrolling factor.
3760 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3761 Similarly for h1u and h1s.
3763 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3764 (find_basic_blocks): Use computed_jump_p to determine if a
3765 particular JUMP_INSN is a computed jump.
3766 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3767 if a particular JUMP_INSN is a computed jump.
3768 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3769 (computed_jump_p): Likewise.
3770 * rtl.h (computed_jump_p): Declare.
3771 * genattrtab.c (pc_rtx): Define and initialize.
3772 * loop.c (loop_optimize): Always determine if the current
3773 function has a computed jump.
3774 (indirect_jump_in_function_p): Use computed_jump_p to determine
3775 if a particular JUMP_INSN is a computed jump.
3777 * loop.c (fix_bct_param): Delete unused function.
3778 (check_bct_param): Likewise.
3780 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3782 * frame.c (__deregister_frame): Check properly for initialized object.
3784 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3786 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3788 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3790 * jump.c (thread_jumps): check can_reverse_comparison_p before
3791 threading a reversed-condition jump.
3793 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3794 * haifa-sched.c (update_flow_info): Likewise.
3796 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3798 * Makefile.in (BOOT_CFLAGS): Use -O2.
3800 * configure.in (strtoul, bsearch): Have autoconf check for these
3802 * configure, config.in: Rebuilt.
3804 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3805 * mips/mips.h (alloca): Likewise.
3806 * rs6000/xm-rs6000.h (alloca): Likewise.
3807 * rs6000/xm-sysv4.h: Likewise.
3809 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3811 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3812 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3813 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3815 * except.c (end_eh_unwinder): Subtract 1 from return address.
3816 * libgcc2.c (__throw): Likewise.
3817 (find_exception_handler): Don't change PC here. Compare end with >.
3819 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3821 * v850.c (compute_register_save_size): Correct register
3823 * v850.md (save_interrupt, return_interrupt): Correct
3825 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3826 (return_interrupt): Use stack pointer, not element pointer.
3828 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3830 * configure.in, configure: Make sure to create the stage* and include
3831 symbolic links in each subdirectory.
3833 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3835 * pa.md (reload_peepholes): Don't allow addresses with side
3836 effects for the memory operand.
3838 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3840 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3841 looking for a handler, to avoid hitting the beginning of the next
3844 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3846 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3848 * mips/abi64.h (LONG_MAX_SPEC): Define.
3849 * mips.h (LONG_MAX_SPEC): Define.
3850 (CPP_SPEC): Include long_max_spec.
3851 (EXTRA_SPECS): Include long_max_spec.
3853 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3855 * v850.c (construct_save_jarl): Fix thinko in last change.
3857 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3859 * version.c: Bump for snapshot.
3861 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3863 * libgcc2.c (find_exception_handler): Not found is -1.
3865 * integrate.c (expand_inline_function): Move expand_start_bindings
3866 after expanding the arguments.
3868 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3870 * expr.c (expand_expr): Remove previous incorrect change.
3871 If target and slot has no DECL_RTL, then call mark_addressable
3872 again for the slot after we give it RTL.
3874 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3876 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3877 again for the slot after we give it RTL.
3879 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3881 * v850.c (register_is_ok_for_epilogue,
3882 pattern_is_ok_for_epilogue, construct_restore_jr,
3883 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3885 * v850.h (pattern_is_ok_for_prologue,
3886 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3889 * v850.md: Replace prologue and epilogue patterns with a
3890 match_parallel pattern.
3892 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3894 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3895 * configure.in: Use EGCS_PROG_INSTALL.
3897 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3899 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3900 extern inline function.
3902 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3904 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3905 (concat_loc_descriptor): New function.
3906 (loc_descriptor): Call it.
3907 (add_AT_location_description): Also elide the descriptor if both
3908 halves of a CONCAT are pseudos.
3909 (add_location_or_const_value_attribute): Recognize CONCAT too.
3911 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3913 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3915 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3916 out-or-range reg_offset.
3917 (output_epilog): Likewise.
3919 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3921 * cse.c (simplify_relational_operation): If MODE specifies a
3922 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3923 is derived from the sign bit of the low word.
3925 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3927 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3929 * dwarf2.h: Add DW_CFA_GNU_args_size.
3930 * frame.c (execute_cfa_insn): Likewise.
3931 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3932 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3933 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3934 insn, hand it off to dwarf2out_stack_adjust.
3935 (dwarf2out_begin_prologue): Initialize args_size.
3936 * frame.h (struct frame_state): Add args_size.
3937 * libgcc2.c (__throw): Use args_size.
3938 * final.c (final_scan_insn): If we push args, hand off all insns
3939 to dwarf2out_frame_debug.
3940 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3942 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3943 Handle epilogue restore of SP from FP.
3944 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3945 lone insn has RTX_FRAME_RELATED_P set.
3947 * frame.c (extract_cie_info): Handle "e" augmentation.
3948 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3949 absence of UNALIGNED_*_ASM_OP.
3950 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3951 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3952 Don't emit augmentation fields length.
3953 (dwarf2out_do_frame): Move outside of #ifdefs.
3954 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3957 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3958 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3959 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3960 * sparc/sun4gas.h: New file.
3961 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3963 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3964 __register_frame_table and __deregister_frame.
3966 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3968 * except.c (find_exception_handler_labels): Use xmalloc instead of
3969 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3972 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3974 * Makefile.in: Various changes to build info files
3975 in the object tree rather than the source tree.
3977 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3979 * fixinc.math: New file to fix math.h on some systems.
3980 * configure.in (freebsd, netbsd): Use fixinc.math on these
3982 * configure: Rebuilt.
3984 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3986 * regmove.c (regmove_optimize): If we end up moving the
3987 original insn due to lifetime overlaps, make sure to move
3990 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3992 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3994 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3996 * haifa-sched.c (add_branch_dependences): Make each insn in
3997 a SCHED_GROUP_P block explicitly depend on the previous insn.
3999 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4001 * except.h: Prototype dwarf2 hooks.
4004 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4006 * configure.in (native_prefix): Delete.
4007 (mips-dec-netbsd): Don't set prefix.
4008 (*linux*): Don't set prefix.
4010 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4012 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4013 defined. If not defined, include <sys/varargs.h> if
4014 HAVE_SYS_VARARGS_H is defined.
4015 * configure.in: Test for varargs.h and sys/varargs.h.
4016 * configure: Regenerate with autoconf.
4017 * config.in: Regenerate with autoheader.
4019 * cpplib.c (quote_string): Cast first arg of sprintf call
4020 from "unsigned char *" to "char *".
4021 (output_line_command): Ditto.
4022 (macroexpand): Ditto.
4023 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4025 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4027 * version.c: Bump for snapshot.
4029 * Makefile.in (compare): Exit with nonzero status if there
4030 are comparison failures. Note which files failed the
4031 comparison test in .bad_compare.
4033 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4035 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4037 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4039 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4040 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4041 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4042 * configure: Regenerated.
4044 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4046 * loop.c (strength_reduce): Fix typo.
4048 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4050 * m88k/m88k.c (struct option): Rename to struct options.
4051 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4052 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4053 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4054 __DOLPHIN__ or sysV88.
4056 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4058 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4061 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4063 * config.sub: Accept 'amigados' for backward compatability.
4065 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4067 * Makefile.in (testsuite/site.exp): New target.
4068 (check-gcc, check-g++): Depend on testsuite/site.exp.
4069 Don't stop for failure.
4071 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4073 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4074 if DWARF2_UNWIND_INFO.
4076 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4078 Add support for exception handling using DWARF 2 frame unwind info.
4079 Currently works on SPARC and MIPS, and almost on x86.
4081 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4082 next_stack_level, in_reg_window): Helper fns.
4083 (__throw): Implement for DWARF2_UNWIND_INFO.
4085 * expr.c (expand_builtin): Handle builtins used by __throw.
4086 * tree.h (enum built_in_function): Add builtins used by __throw.
4087 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4088 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4089 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4090 (expand_builtin_extract_return_addr): Likewise.
4091 (expand_builtin_frob_return_addr): Likewise.
4092 (expand_builtin_set_return_addr_reg): Likewise.
4093 (expand_builtin_eh_stub): Likewise.
4094 (expand_builtin_set_eh_regs): Likewise.
4095 (eh_regs): Choose two call-clobbered registers for passing back values.
4097 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4098 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4099 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4100 (stmp-multilib): Likewise.
4101 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4103 * except.c: #include "defaults.h".
4104 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4105 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4106 (register_exception_table_p): New fn.
4107 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4108 (end_eh_unwinder): Likewise.
4110 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4111 call __register_frame and __deregister_frame as needed.
4112 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4113 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4114 EH_FRAME_SECTION_ASM_OP.
4115 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4116 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4117 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4119 * dwarf2out.c (output_call_frame_info): If no support for
4120 EXCEPTION_SECTION, mark the start of the frame info with a
4122 * collect2.c (frame_tables): New list.
4123 (is_ctor_dtor): Recognise frame entries.
4124 (scan_prog_file): Likewise.
4125 (main): Pass -fno-exceptions to sub-compile. Also do collection
4126 if there are any frame entries.
4127 (write_c_file_stat): Call __register_frame_table and
4128 __deregister_frame as needed.
4129 (write_c_file_glob): Likewise.
4131 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4132 Also require unaligned reloc support.
4133 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4134 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4135 * sparc/sysv4.h: Not here.
4137 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4138 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4139 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4141 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4142 EH implementations to the top.
4143 (find_exception_handler): Split out. Start from 0. Compare against
4145 (__find_first_exception_table_match): Use it.
4146 * except.c (output_exception_table): Don't do anything if there's
4147 no table. Don't output a first entry of zeroes.
4148 (eh_outer_context): Adjust properly.
4149 (add_eh_table_entry): Use xrealloc.
4150 * toplev.c (compile_file): Just call output_exception_table.
4152 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4154 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4156 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4158 * except.c (eh_outer_context): Do masking using expand_and.
4160 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4162 Add port done awhile ago for the ARC cpu.
4163 * arc/arc.h: New file.
4164 * arc/arc.c: New file.
4165 * arc/arc.md: New file.
4166 * arc/initfini.c: New file.
4167 * arc/lib1funcs.asm: New file.
4168 * arc/t-arc: New file.
4169 * arc/xm-arc.h: New file.
4170 * ginclude/va-arc.h: New file.
4171 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4172 * ginclude/varargs.h: Likewise.
4173 * Makefile.in (USER_H): Add va-arc.h.
4174 * configure.in (arc-*-elf*): Recognize.
4175 * longlong.h: Add ARC support.
4177 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4179 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4180 when clearing non-BLKmode data.
4182 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4184 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4185 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4187 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4189 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4191 * Makefile.in (clean): Delete libgcc1-test.
4193 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4195 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4197 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4200 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4202 * dwarf2out.c (output_call_frame_info): Call named_section.
4204 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4206 * haifa-sched.c (print_value): Fix last change.
4208 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4210 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4213 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4215 * mips.c (function_prologue): Set up the CFA when ABI_32.
4217 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4218 for dwarf2 unwind info.
4219 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4221 * final.c (final_end_function): Check dwarf2out_do_frame instead
4222 of DWARF2_DEBUG for dwarf2 unwind info.
4223 (final_scan_insn): Likewise.
4224 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4227 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4230 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4232 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4234 * v850.h (ASM_SPEC): Pass on target processor.
4235 (CPP_PREDEFINES): Only define if not already specified.
4236 (TARGET_VERSION): Only define if not already specified.
4237 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4239 (EXTRA_SWITCHES): Extra entries in the switches array.
4240 (TARGET_DEFAULT): Set default target processor.
4242 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4244 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4245 cases, add %# and %/, and add : to make them into extended asms.
4247 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4249 * alias.c (init_alias_analysis): Clean up incompatible pointer
4250 type warning in bzero.
4251 * regmove.c (regmove_optimize): Ditto.
4252 * haifa-sched.c (find_rgns): Ditto.
4254 * haifa-sched.c (print_value): Clean up ptr->int cast
4257 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4259 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4260 * install.texi (Configurations): Ditto.
4261 * config.sub: Ditto.
4263 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4265 * Makefile.in (sdbout.o): Depend on insn-config.h.
4267 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4269 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4270 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4272 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4274 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4275 prologue insn, only the first elt is significant.
4276 (output_call_frame_info): For exception handling, always use 4-byte
4277 fields as specified by the dwarf2 spec.
4278 Don't skip trivial FDEs.
4280 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4282 * version.c: Bump for snapshot.
4284 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4286 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4287 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4290 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4292 * final.c (shorten_branches): During first pass, assume worst
4293 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4295 * Makefile.in (distclean): Remove various things left around
4296 by running the testsuite.
4298 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4300 * configure.in (out_file): Emit definition to config.status in order
4301 to have a defined value for configure.lang.
4302 * configure: Re-built.
4304 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4306 * configure.in: Make symlink to as-new rather than as.new. Similarly
4308 * configure: Rebuilt.
4310 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4312 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4314 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4316 * sparc/sparc.md: Add ultrasparc scheduling support.
4317 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4319 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4321 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4322 as initial value for real_label_map.
4323 (copy_for_inline): Likewise.
4325 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4327 * sched.c (update_flow_info) When looking if to set found_split_dest
4328 or found_orig_dest, look at all parts of a PARALLEL.
4329 * haifa-sched.c (update_flow_info): Likewise.
4331 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4333 * v850: New directory for v850 port.
4334 * v850/lib1funcs.asm: New file.
4335 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4336 * ginclude/va-v850.h: New file.
4337 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4338 * configure.in (mn10200-*-*): New target.
4339 * configure: Rebuilt.
4340 * config.sub: Handle v850-elf.
4341 * Makefile.in (USER_H): Add va-mn10200.h.
4342 * invoke.texi: Document v850 stuff.
4344 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4346 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4347 has integer TYPE_{MAX,MIN}_VALUE before using them.
4349 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4350 __HPUX_ASM__ versions.
4352 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4354 * install.sh: Delete duplicate install script.
4356 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4358 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4359 computed goto which sets the same stack register.
4361 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4362 destination are both on the regstack.
4363 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4365 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4367 * mips.md (nonlocal_goto_receiver): Define.
4369 * profile.c (output_arc_profiler): Check next_insert_after for non
4370 NULL before deferencing it.
4372 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4374 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4376 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4378 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4380 * toplev.c (rest_of_compilation): For passes starting with
4381 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4383 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4386 * flow.c (print_rtl_with_bb): Print which insns start and end
4387 basic blocks. For the start of a basic block, also print the live
4390 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4392 * toplev.c (main): Change #elif to #else/#ifdef
4394 * tlink.c: Include ctype.h.
4395 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4397 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4399 * bitmap.c: Conditionally include stdlib.h.
4400 (free): Provide a declaration if NEED_DECLARATION_FREE.
4402 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4404 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4406 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4408 * profile.c (output_arc_profiler): Verify next_insert_after is an
4409 INSN before and after skipping a stack pop.
4411 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4413 * final.c (shorten_branches): Don't count the lengths of deleted
4416 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4418 * version.c: Bump for snapshot.
4420 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4422 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4423 two bitmaps ANDed together.
4424 (bitmap_print): Declare.
4426 * bitmap.c (function_obstack): Don't declare any more.
4427 (bitmap_obstack): Obstack for allocating links from.
4428 (bitmap_obstack_init): New static to say whether to initialize
4430 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4431 (bitmap_release_memory): Free all memory allocated from
4434 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4435 EXECUTE_IF_AND_IN_BITMAP.
4437 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4439 * alias.c (true_dependence): Address with AND can alias scalars.
4440 (anti_dependence, output_dependence): Likewise.
4442 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4444 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4446 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4447 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4448 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4449 definitions. Use -qrtems instead of -mrtems.
4451 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4453 * xm-sco5.h (sys_siglist): Define.
4454 (SYS_SIGLIST_DECLARED): Likewise.
4456 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4458 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4460 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4462 * except.c (eh_outer_context): Expand masking operation using
4465 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4467 * alpha.md (floatdisf2-1): New pattern.
4469 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4471 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4472 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4473 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4474 * gcc.texi: Note that if you define sys_siglist that you should
4475 also define SYS_SIGLIST_DECLARED.
4477 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4478 are relative to the next instruction, not the current instruction.
4480 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4482 * local-alloc.c (contains_replace_regs): New function.
4483 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4484 verify that there is no existing REG_EQUIV note, and add a call to
4485 contains_place_regs.
4487 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4489 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4490 (STARTFILE_SPEC): Always use crtbegin.o%s
4491 (ENDFILE_SPEC): Always use crtend.o%s.
4493 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4495 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4497 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4498 SFmode for 64 bit hosts.
4500 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4502 * fixincludes: Permits spaces between # and define. Discard C++
4503 comments in sys/pci.h on HP/UX 10.20.
4505 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4507 * version.c: Bump for snapshot.
4509 * pa.c (restore_unscaled_index_insn_codes): New function.
4510 (record_unscaled_index_insn_codes): Likewise.
4511 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4512 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4513 (pa_reorg): Call record_unscaled_index_insn_codes.
4515 * haifa-sched.c (move_insn): Handle notes correctly for insns
4516 with SCHED_GROUP_P set.
4518 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4520 * alpha/xm-linux.h (USE_BFD): Undef before define.
4522 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4524 * cse.c (cse_insn): Don't record BLKmode values.
4526 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4528 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4530 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4532 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4533 * collect2.c (sys_errlist): Likewise.
4534 * cpplib.c (sys_errlist): Likewise.
4535 * gcc.c (sys_errlist): Likewise.
4536 * protoize (sys_errlist): Likewise.
4537 * configure.in: Check for strerror.
4538 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4539 * xm-gnu.h (HAVE_STRERROR): Likewise.
4540 * xm-linux.h (HAVE_STRERROR): Likewise.
4541 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4542 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4543 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4544 * xm-dos.h (HAVE_STRERROR): Likewise.
4545 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4546 * xm-pa.h (HAVE_STRERROR): Likewise.
4547 * xm-papro.h (HAVE_STRERROR): Likewise.
4548 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4549 * configure, config.in: Rebuilt.
4551 * Makefile.in: Add several missing "else true" clauses.
4553 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4554 * mips-tfile.c: Likewise.
4555 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4556 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4557 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4558 * configure.in: Check for sys_siglist declaration.
4559 * configure, config.in: Rebuilt.
4561 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4563 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4564 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4565 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4566 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4567 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4568 macro EXTRA_SUBTARGET_SWITCHES.
4569 * configure.in (sh*-*-rtems*): New target.
4570 * sh/rtems.h: New file.
4571 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4572 * configure: Rebuilt.
4574 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4576 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4578 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4580 * rs6000.md: Make DF fused-add operations pay attention to
4583 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4585 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4587 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4589 * pa.md (reload_peepholes): Make sure operand is a REG before
4590 examining REGNO. Allow general registers too.
4592 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4594 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4596 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4598 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4599 to reallocate abbrev_die_table.
4601 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4603 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4605 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4607 * Makefile.in (config.status): Depend on version.c
4609 * expr.h (insn_gen_function): Reenable prototype.
4611 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4614 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4616 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4618 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4620 * version.c: Bump for latest snapshot.
4622 * bc-optab.c: Conditionally include stdlib.h.
4623 (free): Provide a declaration if NEED_DECLARATION_FREE.
4624 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4625 * rtl.h (free): Remove declaration.
4626 * tree.h (free): Remvoe declaration.
4628 * configure: Rebuilt.
4630 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4632 * flags.h (flag_move_all_movables): Declare.
4633 (flag_reduce_all_givs): Likewise.
4634 * loop.c (move_movables): Handle flag_move_all_movables.
4635 (strength_reduce): Handle flag_reduce_all_givs.
4636 * toplev.c (flag_move_all_movables): Define.
4637 (flag_reduce_all_givs): Likewise.
4638 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4639 * invoke.texi: Document new options, including alias stuff that
4640 wasn't included last time.
4642 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4644 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4647 * t-vxworks68: Ditto.
4648 * t-vxworks960: Ditto.
4651 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4653 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4654 if not already defined, and USE_C_ALLOCA not defined.
4656 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4658 * config.guess: Replace with script that uses ../config.guess.
4660 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4661 if USE_GNULIBC_1 is not defined.
4663 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4665 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4666 * config.guess: Recognize alpha-linux-gnulibc1.
4667 * configure.in (alpha-*-linux-gnulibc1): New target.
4668 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4670 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4672 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4675 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4677 * loop.c (combine_movables): Earlier insns don't match later ones.
4679 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4681 * config/linux.h (CC1_SPEC): Define it only if not defined.
4683 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4686 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4687 USE_GNULIBC_1 is not defined.
4689 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4691 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4692 as 1 if USE_GNULIBC_1 is not defined.
4694 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4696 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4697 to be something other than a REG.
4698 * function.c (expand_function_end): Fix current_function_return_rtx
4701 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4702 * x-netbsd: Likewise
4703 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4704 (INSTALL_HEADERS): Delete.
4705 * x-dguxbcs: Likewise.
4706 * x-hp3bsd44: Likewise
4709 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4711 * i386.md (pop): pop increments the stack pointer.
4712 (prologue_set_stack_ptr): New pattern.
4713 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4716 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4718 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4719 address where an offsettable address is required.
4721 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4723 * loop.c (check_final_value): Don't miss a biv increment in a
4726 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4728 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4729 TYPE_DECL_IS_STUB instead of DECL_NAME.
4731 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4733 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4735 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4737 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4739 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4741 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4742 (find_post_sched_live): Likewise.
4744 * haifa-sched.c (schedule_block): Remove old code to get arguments
4745 from hard regs into pseudos early.
4747 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4749 * version.c: Bump for new snapshot.
4751 * local-alloc.c (update_equiv_regs): All the target to reject
4752 promotion of some REG_EQUAL to REG_EQUIV notes.
4753 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4755 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4758 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4759 store of the argument registers.
4761 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4763 * fold-const.c (multiple_of_p): New function.
4764 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4766 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4768 * expr.h (insn_gen_function): Temporarily remove prototype.
4770 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4772 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4773 filenames. Use sed to extract base filename for install.
4775 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4777 * unroll.c (find_splittable_givs): Only share if two givs have the
4778 same add and multiply values.
4780 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4782 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4783 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4785 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4787 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4788 around branch tables.
4789 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4790 and .end_brtab directives if TARGET_GAS.
4792 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4794 * alias.c (true_dependence): Pass x_addr not x to varies.
4796 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4797 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4798 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4800 * config.in, configure: Regenerate.
4802 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4804 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4806 (record_set): Handle LO_SUM like PLUS.
4807 (init_alias_analysis): When following chains of base addresses,
4808 do not stop on reaching a hard register.
4810 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4812 * version.c: Bump for new snapshot.
4814 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4816 * alpha.h (ARCH_ASM_FILE_START): Define.
4817 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4818 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4820 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4822 * Makefile.in (install-common): Put gcov comment at start of line.
4824 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4826 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4827 array, simplify entries for hard registers too.
4829 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4831 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4834 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4836 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4837 block_stack before dereferencing it.
4839 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4841 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4843 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4845 * cplus-dem.c: Add 'extern' to prepends_underscore.
4847 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4849 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4850 (get_issue_rate): Delete.
4851 * pa.h (ISSUE_RATE): Define.
4853 * configure.in: Turn on haifa by default for the PA.
4854 * configure: Rebuilt.
4855 * pa.c (override_options): Accept -mschedule=7200 option.
4856 (pa_adjust_cost): No longer need to scale costs for newer
4858 * pa.h (enum processor_type): Add PROCESSOR_7200.
4859 * pa.md: Revamp scheduling parameters to work better with
4860 haifa. Add scheduling parameters for the 7200.
4862 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4864 (schedule_block): When adjusting basic_block_{head,end}, account
4865 for movement of SCHED_GROUP_P insns too.
4867 * haifa-sched.c (debug_dependencies): Fix thinko.
4869 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4870 (site.exp, check, check-g++, check-gcc): New targets.
4872 * haifa-sched.c: Make lots of variables static.
4874 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4876 * expr.h, real.h: Finish prototyping.
4878 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4880 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4881 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4882 * reload1.c: Undo bugfix from Aug 11.
4884 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4886 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4887 quotes around the name.
4888 * configure: Regenerate.
4890 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4892 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4894 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4896 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4897 to sub-makes to avoid building more passes than the user might have
4898 requested on the command line.
4900 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4902 * configure.in: Expurgate `broken_install' (install is
4905 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4908 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4910 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4911 functions and declarations.
4912 (analyze_loop_iterations): Use condjump_p.
4913 (insert_bct): Likewise. Use exact_log2.
4915 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4917 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4918 (schedule_region): Likewise.
4919 (schedule_insns): Likewise.
4921 * PROJECTS: Update with Haifa stuff.
4923 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4925 * version.c: Change the version string to look like:
4926 egcs-2.90.00 970814 (gcc2-970802 experimental).
4928 * loop.c (is_conditional_branch): Make definition match declaration.
4930 * gcc.c: Take out experimental snapshot warning message.
4932 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4934 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4935 print out the names of the notes. Print out the name of the insn
4936 that is not a note, and not an {,CALL_,JUMP_}INSN.
4938 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4940 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4941 again for the slot after we give it RTL.
4943 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4945 * configure.in (haifa configury): Fix typo.
4946 * configure: Regenerate.
4948 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4950 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4952 * gcc.info*: Rebuilt.
4954 * COPYING.g77, README.g77: New files.
4955 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4956 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4957 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4959 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4961 * Integrate Haifa instruction scheduler.
4962 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4963 to sched with $(SCHED_CFLAGS.
4964 * configure.in: Handle --enable-haifa.
4965 * configure: Rebuilt.
4966 * flags.h: Add new flags for haifa instruction scheduler.
4967 * genattrtab.c (expand_units): For haifa, don't subtract one
4968 when computing blockage.
4969 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4970 (flag_schedule_speculative): Ditto.
4971 (flag_schedule_speculative_load): Ditto.
4972 (flag_schedule_speculative_load_dangerous): Ditto.
4973 (flag_schedule_reverse_before_reload): Ditto.
4974 (flag_schedule_reverse_after_reload): Ditto.
4975 (flag_branch_on_count_reg): Ditto.
4976 (f_options): Add Haifa switches.
4977 (main): Turn off some Haifa options if appropriate macro is
4978 defined. Process Haifa switches.
4979 * unroll.c (iteration_info): No longer static, since Haifa
4981 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4982 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4983 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4984 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4985 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4986 storage for the Haifa scheduler.
4987 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4989 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4990 are defined, call analyze_loop_iterations and insert_bct to use
4992 (record_giv): Refine test for jumps out of loops if HAIFA is
4994 (analyze_loop_iterations): New function to identify if we can use
4996 (insert_bct): Insert countdown loop.
4997 (instrument_loop_bct): Low level code to insert countdown loop.
4998 (loop_number): Calculate UID of loop.
4999 (indirect_jump_in_function_p): Return true if an indirect jump is
5001 (is_power_of_2): Return true if value is a power of 2.
5002 (is_conditional_branch): Return true if insn is a conditional
5004 (fix_bct_param): Process -fbct-{min,max}-N switches.
5005 (check_bct_param): Return true if loop should be instrumented.
5006 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5007 (loop_optimize): Initialize.
5008 (get_condition_for_loop): Ditto.
5009 * loop.c (strength_reduce): Inside of code that uses #ifdef
5010 HAVE_decrement_and_branch_on_count code, test it to make sure the
5012 (instrument_loop_bct): Ditto.
5013 * haifa-sched.c: New file.
5016 * Integrate regmove pass.
5017 * Makefile.in (OBJS): Add regmove.o
5018 (regmove.o): Add dependencies.
5019 * flow.c (find_use_as_address): No longer static.
5020 * rtl.h (find_use_as_address): Declare.
5021 * toplev.c (regmove_dump, flag_regmove): Define.
5022 (f_options): Add -fregmove.
5023 (regmove_dump_file, regmove_time): Define.
5024 (fatal_insn): Close the regmove dump file.
5025 (compile_file): Initialize regmove_time; open/close the regmove dump
5026 file as needed. Print regmove time as needed.
5027 (rest_of_compilation): Run regmove pass if requested, dump
5028 RTL after regmove if requested.
5029 (main): If -O2 or more, turn on regmove. Handle dump switches.
5030 * regmove.c: New file.
5032 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5034 * Integrate tlink patch from jason@cygnus.com
5035 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5036 (process_command): Increment n_switches for them. Don't discard
5037 their args. Validate them.
5038 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5040 (process_command): Set include_prefixes from COMPILER_PATH.
5041 (main): Set COLLECT_GCC_OPTIONS sooner.
5042 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5043 * tlink.c, hash.c, hash.h: New files.
5044 * Makefile.in (USE_COLLECT2): Always use collect2.
5045 (collect2): Depend on and link in hash.o and tlink.o.
5046 (tlink.o, hash.o): Add dependencies.
5048 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5050 * Integrate alias analysis changes from jfc@mit.edu
5051 * Makefile.in (OBJS): Add alias.o
5052 (alias.o): Add dependencies.
5053 * alias.c: New file.
5054 * sched.c: Remove alias analysis code. It lives in alias.c now.
5055 (sched_analyze_2): Add new arguments to true_dependence.
5056 (schedule_insns): Always call init_alias_analysis.
5057 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5058 mark return value from such functions as a pointer and keep track of
5059 them for alias analysis. If a return value from a function is a
5060 pointer, mark it as such.
5061 * combine.c (distribute_notes): Handle REG_NOALIAS.
5062 * cse.c (struct write_data): Delete. No longer needed.
5063 (invalidate): Don't call set_nonvarying_address_components anymore.
5064 Use true_dependence to decide if an entry should be removed from
5066 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5068 (note_mem_written): Similarly for WRITE_PTR argument.
5069 (invalidate_from_clobbers): Similarly for W argument.
5070 (invalidate_for_call): Remove memory elements from the hash table.
5071 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5072 (cse_rtx_varies_p): New function. Derived from old
5073 cse_rtx_addr_varies_p.
5074 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5075 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5076 pointer if PUSH_ROUNDING is defined. No longer need to call
5077 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5078 (skipped_writes_memory): Remove variable.
5079 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5080 (invalidate_skipped_block): Simplify for new alias analysis code.
5081 (cse_set_around_loop): Likewise.
5082 (cse_main): Call init_alias_analysis.
5083 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5084 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5085 (f_options): Add new alias checking arguments.
5086 (main): Set flag_alias_check when optimizing.
5087 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5089 (memref_referenced_p): Likewise.
5090 * loop.c (NUM_STORES): Increase to 30.
5091 (prescan_loop): Only non-constant calls set unknown_address_altered.
5092 (invariant_p): Add new arguments to true_dependence.
5093 (record_giv): Initialize unrolled and shared fields.
5094 (emit_iv_add_mult): Call record_base_value as needed.
5095 * loop.h (struct induction): Add unrolled and shared fields.
5096 * unroll.c (unroll_loop): Call record_base_value as needed.
5097 (copy_loop_body): Likewise.
5098 (final_biv_value): Likewise.
5099 (final_giv_value): Likewise.
5100 (find_splittable_regs): Likewise. Only create one new pseudo
5101 if we have multiple address GIVs that were combined with the same
5102 dst_reg GIV. Note when a new register is created due to unrolling.
5103 * rtl.c (reg_note_name): Add REG_NOALIAS.
5104 * rtl.h (enum reg_note): Similarly.
5105 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5106 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5107 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5108 (true_dependence, read_dependence, anti_dependence): Likewise.
5109 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5110 (mark_user_reg, mark_reg_pointer): Likewise.
5113 * Integrate reload bugfix from Wilon which enables the PA port
5115 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5116 OPERAND_ADDRESS when computing how many registers an insn needs.
5117 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5119 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5121 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5122 in reload_reg_use_in_op_addr do not reach the end.
5123 do not reach the end.
5124 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5125 RELOAD_FOR_OPERAND_ADDRESS.
5127 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5129 * egcs project officially starts.