1 1998-02-02 Mark Mitchell <mmitchell@usa.net>
3 * calls.c (expand_call): Don't confuse member functions named
4 realloc, setjmp, and so forth with the standard library
5 functions of the same names.
7 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
9 * stmt.c (expand_asm_operands): Correctly identify asm statements
12 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
14 * c-common.c (decl_attributes): Flag unrecognized attribute
15 functions as warnings instead of as errors.
17 1998-02-05 Marc Lehmann <pcg@goof.com>
19 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
20 when -Os is specified.
21 * toplev.c (main): Don't disable flag_inline_functions anymore when
24 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
27 * flags.h (flag_regmove): Declare.
28 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
29 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
30 Moved into regmove; changed caller.
31 * toplev.c (rest_of_compilation): Call regmove_optimize also for
32 expensive_optimizations.
34 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
36 * version.c: Bump for snapshot.
38 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
39 Undo this change (the problem was actually in reload):
40 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
42 * sh.md (movqi_i+1): New peephole.
44 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
46 * jump.c (jump_optimize): Lose calls to modified_in_p they are
47 not needed anymore due to changes elsewhere in jump.c.
49 * jump.c (jump_optimize): Fix first arg to modified_in_p in
52 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
54 * expr.c (expand_builtin_setjmp): Accept two new arguments for
55 the labels to branch to on first and subsequent executions. Don't
56 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
57 and provide it with the jmp_buf. Use only one of
58 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
59 and provide the former with the target label.
60 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
61 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
62 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
63 insn to replace all of the normal nonlocal_goto code. Don't play
64 with __dummy. Correct arguments to nonlocal_goto.
65 * expr.h (expand_builtin_setjmp): Update prototype.
66 * except.c (start_dynamic_handler): When using builtin_setjmp,
67 generate more accurate flow information.
69 * alpha.md (nonlocal_goto_receiver_osf): Delete.
70 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
71 (builtin_longjmp, builtin_setjmp_receiver): New.
72 * sparc.md (update_return): Disambiguate unspec number.
73 (nonlocal_goto): Rearrange arguments to match caller in except.c.
74 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
76 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
77 (builtin_setjmp_setup*, builtin_longjmp): New.
79 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
81 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
83 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
85 * vmsconfig.com: Remove bytecode references.
87 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
89 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
90 -fno-sjlj-exceptions works for a target that defines
91 DWARF2_UNWIND_INFO as zero.
93 * regmove.c (fixup_match_1): Undo last change which removed some
94 "useless" code, and add a comment explaining this.
96 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
98 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
101 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
103 * makefile.vms: Remove bytecode references.
106 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
108 * jump.c (jump_optimize): Allow conditional loading of floating point
109 constants and constants from memory. Reinstalled modified_in_p tests.
111 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
113 * loop.c (get_condition): Handle sign-extended constants.
115 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
117 * expr.c (emit_push_insn): Add code to use movstrti if present.
119 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
120 and movstrqi as in emit_block_move ().
122 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
124 * config/m68k/x-next: Remove /NextDeveloper/Headers from
125 the directories to fixinclude - /usr/include is a link
126 to it and hence its contents are fixed by default.
128 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
130 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
132 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
134 * cccp.c (main): Predefine __VMS_VER on VMS.
136 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
138 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
139 * fold-const.c (size_int): Replace with
141 (make_bit_field_ref): Use bitsize_int for bit position.
142 * stor-layout.c (sizetype): Delete.
143 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
144 (layout_record, layout_union, layout_type):
145 Use bitsize_int for bit size.
146 (set_sizetype): New function.
147 (make_signed_type, make_unsigned_type): Use it.
148 * c-decl.c (init_decl_processing): Likewise.
149 * tree.h (size_int): Don't delcare, #define.
150 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
151 (set_sizetype): Declare.
152 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
154 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
155 Convert result to sizetype.
156 (really_start_incremental_init, push_init_level):
157 Set type of constructor_bit_index to sbitsizetype.
158 (push_init_level): Use unsigned arithmetic to determine padding.
159 (output_init_element): Likewise.
161 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
163 * combine.c (simplify_shift_const): Fix typo in last change.
165 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
167 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
168 is (truncate (lshiftrt)).
170 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
172 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
173 Make sure result winds up in TGT.
174 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
175 src to be other than DImode.
176 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
177 (alpha_expand_unaligned_store_words): Likewise.
178 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
179 that source and destination are separately optimized for alignment.
180 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
182 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
184 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
185 with handling of -32768.
187 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
189 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
190 shell variable argument instead of only hard coded functions.
191 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
193 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
194 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
195 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
196 declarations for bcopy, bcmp and bzero.
198 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
200 * gansidecl.h: If we have bcopy but don't declare it, then do so.
201 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
202 bzero, index and rindex if they aren't already present.
204 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
206 * toplev.c (close_dump_file): Wrap function prototype for
207 argument "func" in PROTO.
208 (dump_rtl): Likewise.
210 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
212 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
214 (output_function_epilogue): Omit epilogue if nothing drops through.
215 (output_move_double): Supress int ldd usage on ultrasparc and v9.
216 (registers_ok_for_ldd_peep): Likewise.
217 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
218 (ultrasparc_adjust_cost): New function.
219 (sparc_issue_rate): New function.
220 * sparc.h (MASK_VIS, TARGET_VIS): New
221 (MASK_V8PLUS, TARGET_V8PLUS): New.
222 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
223 (TARGET_SWITCHES): Add vis and v8plus.
224 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
225 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
226 (RTX_COSTS): Use TARGET_HARD_MUL
227 (ADJUST_COST): Call ultrasparc_adjust_cost.
229 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
230 of load & fp appropritely.
231 (supersparc function units): Adjust for Haifa.
232 (ultrasparc function units): Likewise.
233 (get_pc_via_rdpc): All v9, not just arch64.
234 (movdi_v8plus, movdi_v8plus+1): New.
235 (adddi3_sp32+1): New.
236 (subdi3_sp32+1): New.
237 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
238 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
239 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
240 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
241 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
242 (ldd peepholes): Suppress for v9.
243 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
244 (return_subsi): Revmove.
246 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
248 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
249 save/restore MEM rtl.
251 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
253 * configure.in: Check for declaration of abort.
254 * acconfig.h: Corresponding changes.
255 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
258 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
260 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
263 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
265 * version.c: Bump for snapshot.
267 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
269 * configure.in: Check for atoq and atoll.
270 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
271 proper routine for converting ascii into long long values.
273 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
275 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
277 * vmsconfig.com: Remove bytecode references.
279 * alpha/vms.h (PREFIX): Define.
281 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
283 * am-alpha.h: Don't include alloca for OPEN_VMS.
285 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
287 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
288 (GCC_INCLUDE_DIR): Define
290 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
291 * makefile.vms: New file.
293 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
295 * alpha.c (output_prolog): Output '.name' directive
296 for minimal traceback information.
298 * alpha.c (output_prolog): Don't prepend entry point symbols
299 with '$' on OPEN_VMS.
301 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
302 Jeffrey A Law (law@cygnus.com)
304 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
307 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
309 * genemit.c (gen_exp): Likewise.
310 * genpeep.c (match_rtx): Likewise.
311 * genrecog.c (write_tree_1): Likewise.
313 * c-lex.c (yyprint): Use proper format string based upon
314 disposition of HOST_BITS_PER_WIDE_INT.
315 (yylex): Put casts in right place for args to build_int_2.
317 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
319 * combine.c: Fix typos in Jan27 changes.
321 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
323 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
324 (LINK_SPEC): Likewise.
325 (STARTFILE_SPEC): Likewise.
327 1998-01-28 Mike Stump <mrs@wrs.com>
329 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
331 * genattrtab.c (reload_completed): Define.
333 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
336 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
338 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
339 SUBREG_REG if the word count is unchanged, also in the input reload
340 case. Disable non-applicable sanity checks.
342 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
344 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
346 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
348 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
350 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
352 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
353 is a TREE_VEC before trying to use it for baseclasses.
354 (Chill uses the same field for a different purpose.)
356 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
358 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
360 * config.sub: More accurate determination of HP processor types.
362 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
365 prototype for `handle_sysv_pragma', and make it static. Add
366 parentheses around assignment used as truth value.
368 * combine.c (combine_instructions): Protect variable `prev' with
370 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
371 (extract_left_shift): Add parentheses around operand of &.
372 (merge_outer_ops): Avoid an empty body in an else-statement.
373 (gen_rtx_combine): Remove unused variable `i'.
375 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
376 function monstartup `void'. Likewise for internal_mcount. Add
377 `static void' prototype for moncontrol. Reconcile sprintf format
380 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
381 Make return type of function_arg_slotno explicitly `int'.
382 (reg_unused_after): Add parentheses around assignment used as
384 (save_regs): Add explicit braces to avoid ambiguous `else'.
385 (function_arg_slotno): Add parentheses around && within ||.
386 (function_arg_pass_by_reference): Likewise.
387 (sparc_flat_output_function_prologue): Reconcile fprintf format
390 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
391 assignment used as truth value.
393 * cplus-dem.c: Include <stdlib.h>.
394 (demangle_signature): Avoid an empty body in an else-statement.
395 (do_type): Remove unused variable `lvl'.
397 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
398 Include <string.h>/<strings.h>.
399 (cpp_lex): Remove unused variable `namelen'.
400 (cpp_lex): Explicitly declare `num_chars' as an int.
402 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
403 <unistd.h> instead. Explicitly declare is_system_include
405 (make_assertion): Remove unused variable `kt'.
406 (cpp_expand_to_buffer): Hide variable `obuf'.
407 (output_line_command): Remove unused variables, `line_end',
408 `line_cmd_buf' and `len'.
409 (macarg): Remove unused variable `arg_start'.
410 (special_symbol): Remove unused variable `i'. Add parentheses
411 around assignment used as truth value.
412 (do_include): Remove unused variables `pcfname' and `retried',
413 hide `pcf' and `pcfbuflimit'.
414 (do_line): Remove unused variable `i'.
415 (finclude): Hide variable `missing_newline'.
416 (cpp_handle_options): Remove unused variable `j'.
417 (read_token_list): Remove unused variable `eofp'.
418 (cpp_error_with_line): Remove unused variable `i'.
419 (cpp_warning_with_line): Likewise.
420 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
421 (cpp_error_from_errno): Remove unused variable `i'.
423 * cse.c (invalidate): Add parentheses around assignment used as
425 (find_best_addr): Move declaration of variable `our_cost' inside
426 the conditional macro where its used.
427 (fold_rtx): Avoid an empty body in an if-statement.
428 (cse_insn): Wrap variables `this_insn_cc0_mode' and
429 `this_insn_cc0' in macro HAVE_cc0.
431 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
432 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
433 (output_uleb128): Likewise.
434 (output_sleb128): Likewise.
435 (output_cfi): Likewise.
436 (output_call_frame_info): Remove unused variables `j', `fde_size'
438 (comp_unit_has_inlines): Hide declaration as per rest of file.
439 (size_of_line_prolog): Correct typo in prototype.
440 (add_arange): Likewise.
441 (output_aranges): Likewise.
442 (add_name_and_src_coords_attributes): Likewise.
443 (gen_array_type_die): Likewise.
444 (gen_inlined_subroutine_die): Likewise.
445 (equate_decl_number_to_die): Remove unused variable `i'.
446 (print_die): Reconcile format vs. args in fprintf's.
447 (print_dwarf_line_table): Likewise.
448 (output_die): Likewise.
449 (output_line_info): Likewise.
450 (add_subscript_info): Avoid an empty body in an else-statement.
451 (gen_subprogram_die): Remove unused variable `fp_loc'.
453 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
454 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
455 macro. Protect `src_coords_attribute' prototype with
456 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
457 prototype as in the rest of the file. Likewise for
458 `output_pointer_type_die' and `output_reference_type_die'. Remove
459 prototype for `type_of_for_scope'.
460 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
461 (type_attribute): Add explicit braces to avoid ambiguous `else'.
463 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
464 (shorten_branches): Protect declaration of tmp_length with
465 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
466 (profile_function): Protect declaration of `sval' and `cxt'
467 variables with appropriate macros.
468 (final_scan_insn): Likewise for `note' variable. Add explicit
469 braces to avoid empty body in an if-statement.
470 (output_asm_insn): Move variable `i' inside macro conditional
471 where it is used. Add parentheses around assignment used as truth
473 (asm_fprintf) Likewise, likewise.
475 * fix-header.c (main): Remove unused variable `done'. Protect
476 declaration of `i' with FIXPROTO_IGNORE_LIST.
478 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
480 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
483 * profile.c: Include <string.h>/<strings.h>.
484 (instrument_arcs): Remove unused variables `note', `inverted',
485 `zero' and `neg_one'.
486 (branch_prob): Avoid empty body in an if-statement.
488 * regclass.c: Include <stdlib.h>.
489 (reg_alternate_class): Explicitly declare parameter `regno'.
491 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
492 parentheses around assignment used as truth value.
493 (find_matches): Remove unused variables `output_operand' and
495 (fixup_match_1): Remove statement with no effect: "if (0) ;".
497 * scan.c (sstring_append): Explicitly declare `count' as int.
498 (scan_string): Explicitly declare parameter `init' as int.
500 * sched.c: Include <stdlib.h>.
501 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
502 (rank_for_schedule): Add parentheses around assignment used as
504 (schedule_block): Likewise.
505 (regno_use_in): Likewise.
506 (schedule_insns): Remove unused variable `i'.
508 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
509 (v_message_with_decl): Remove unused variable `n'.
510 (botch): Explicitly declare parameter `s' as char *.
511 (main): Add parentheses around assignment used as truth value.
513 * tree.c (make_node): Protect the variable `kind' with the
514 GATHER_STATISTICS macro.
515 (real_value_from_int_cst): Move variable `e' inside conditional
516 macro area where it is used.
517 (tree_last): Add parentheses around assignment used as truth value.
518 (build1): Protect the variable `kind' with the GATHER_STATISTICS
520 (print_obstack_statistics): Reconcile format vs. args in fprintf.
521 Protect variables `i', `total_nodes', and `total_bytes' with the
522 GATHER_STATISTICS macro.
524 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
526 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
527 some comments regarding use of dead_or_set_p.
529 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
531 * fixincludes: Tweak fix for struct exception in math.h
533 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
535 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
536 Change mode of registers used to add/sub from
537 hard_frame_pointer_rtx from word_mode to Pmode.
539 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
541 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
542 asm_output_aligned_bss() instead of asm_output_bss().
544 * toplev.c (rest_of_compilation): Replace references to
545 stack_reg_dump_file and dbr_sched_dump_file with references to
548 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
550 * tlink.c (scan_linker_output): Call fclose() for opened files.
552 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
554 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
555 compiling with -fpic -- we want to be able to override symbols
557 (alpha_expand_block_move): Fix thinko in last change.
559 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
560 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
561 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
563 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
565 * alpha.md (abssf, absdf): Revert last change.
567 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
569 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
570 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
572 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
574 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
575 a CONST_INT into SFmode.
577 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
579 * flags.h: New flag (optimize_size).
580 * toplev.c (main): Parse -Os option and set optimize_space
582 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
583 __OPTIMIZE_SIZE__ when compiling with -Os.
584 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
585 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
586 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
588 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
590 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
592 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
593 stuff only if MCT_TEXT is #define'd.
595 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
597 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
600 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
602 * toplev.c: Add -dM command line option to dump RTL after the
603 machine dependent reorganisation pass, if there is one.
604 Reorganise RTL dump code, so that only one file handle is
607 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
609 * except.c (check_exception_handler_labels): Disable warning when
612 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
614 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
616 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
618 * c-decl.c (grokdeclarator): Get parameter tags from
619 last_function_parm_tags.
620 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
621 traversing the parameter types.
622 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
624 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
626 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
628 (get_shift_alg): Fix typo.
630 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
632 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
634 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
636 * toplev.c (get_run_time): Make sure each case gets its variables.
638 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
640 * configure.in (build_xm_file): Add auto-config.h if host=build.
641 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
642 (build_xm_file_list): Likewise.
643 * configure: Rebuild.
645 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
647 * recog.c (validate_replace_rtx_1): Only perform substitutions
648 of arguments to commutative and comparison operators once.
650 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * sparc.c (output_cbranch): Add default case in
655 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
656 (emit_delay_sequence): Eliminate unused parameter, all callers
658 (fill_simple_delay_slots): Likewise.
659 (fill_slots_from_thread): Likewise.
660 (fill_eager_delay_slots): Likewise.
661 (mark_referenced_resources): Add default case in enumeration switch.
662 (mark_set_resources): Likewise.
663 (rare_destination): Likewise.
664 (mostly_true_jump): Likewise.
665 (find_dead_or_set_registers): Likewise.
666 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
667 (update_reg_unused_notes): Remove unused variable `p'.
668 (mark_target_live_regs): Remove unused variables `next' and
670 (fill_simple_delay_slots): Remove unused variable `j'.
671 (fill_slots_from_thread): Add parentheses around assignment used
673 (dbr_schedule): Likewise.
675 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
676 (objc.stage2, objc.stage3, objc.stage4): Likewise.
678 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
680 * cse.c (simplify_ternary_operation): Don't try to simplify
681 IF_THEN_ELSE expressions (created by combine) that don't use
682 relational operators.
684 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
686 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
689 * crtstuff.c (init_dummy): Keep the epilogue in the init
690 section for non-ELF systems.
692 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
694 * sh.md (movqi_i+1): New peephole.
696 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
698 * Makefile.in: Remove remaining bytecode stuff.
699 * emit-rtl.c, expr.c: Likewise.
701 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
703 * toplev.c (lang_options): Add unknown-pragma options.
705 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
707 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
708 special (and incomplete) handling for Chill arrays.
710 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
712 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
715 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
717 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
719 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
721 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
722 .frame directive instead of FRAME_POINTER_REGNUM.
724 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
726 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
727 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
728 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
729 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
730 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
731 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
732 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
733 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
735 * longlong.h: Replace __mc68332__ with __mcpu32__.
737 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
739 * version.c: Bump for snapshot.
741 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
743 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
744 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
745 * reload1.c (eliminate_regs): Likewise.
747 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
749 * regmove.c (find_matches): Initialize matches->earlyclobber too.
751 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
753 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
754 (negsf2, negdf2): Use proper subtract in IEEE mode.
756 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
758 * Makefile.in: Remove more bytecode stuff.
759 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
760 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
761 * f/install.texi, objc/Make-lang.in: Likewise.
763 * Makefile.in: Remove all bytecode support.
764 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
765 * emit-rtl.c: Remove all bytecode support.
766 * expr.c, expr.h function.c, integrate.c: Likewise.
767 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
768 * tree.h, varasm.c: Likewise.
769 * config/m68k/m68k.h: Likewise.
770 * bi-*, bc-*, bytecode*: Delete bytecode related files.
771 * modemap.def: Likewise.
773 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
775 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
776 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
778 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
780 * i386.md (push): Prohibit symbolic constants if flag_pic.
781 (movsi+1): Likewise for move to non-register.
783 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
785 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
786 (print_operand): Handle 0xffffffff on 32 bit host.
788 * configure.in (thread_file): Rename uses before main loop to
789 target_thread_file. Initialize to empty in main loop. Set thread_file
790 to target_thread_file after main loop if not set.
791 * configure: Rebuild.
793 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
794 (add_values_to_cover): Revert last change (which had no ChangeLog
796 (simplify_with_current_value_aux): Handle CONST_INT.
798 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
800 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
802 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
804 * configure.in: Add cpp stringify test.
805 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
806 * gengenrtl.c: Use it.
807 * configure, config.in: Rebuild.
809 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
811 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
813 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
815 * configure.in: Find declaration for sbrk.
816 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
817 * config.in, configure: Rebuild.
818 * mips-tfile.c: Properly protect declaration of sbrk and free.
819 * toplev.c: Properly protect declaration of sbrk.
821 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
823 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
825 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
827 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
829 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
831 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
833 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
835 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
836 constant offset computations from objects with known alignment in
837 the presence of STACK_BIAS.
839 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
841 (const_hash): Hash val is unsigned long.
844 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
846 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
847 char pointer, not HOST_WIDE_INT.
848 (print_node): Likewise. Also hash is unsigned long not
851 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
853 * explow.c (optimize_save_area_alloca): New function for targets
854 where SETJMP_VIA_SAVE_AREA is true.
855 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
856 compute the amount of stack space needed should we find later that
857 setjmp is never called by this function, stuff rtl for this inside
858 a REG_NOTE of the final SET of stack_pointer_rtx.
859 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
860 current_function_calls_alloca, call optimize_save_area_alloca.
862 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
864 * i386.md: Remove redundant integer push patterns.
865 Don't bother checking for TARGET_PUSH_MEMORY when
866 pushing constants or registers.
868 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
869 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
871 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
872 (pwait): New function for mingw32.
874 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
875 pipe support is broken for now.
877 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
879 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
880 between frame_pointer_rtx, hard_frame_pointer_rtx, and
881 arg_pointer_rtx is respected in initialization.
882 (init_emit_once): Use gen_rtx_raw_REG() to create
883 return_address_pointer_rtx.
885 * reorg.c: #include "expr.h" for rtx prototypes.
886 * Makefile.in (reorg.o): Depend on expr.h
888 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
890 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
891 local_prefix to sub-make invocations.
893 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
895 * objc-parse.c: Recognize protocol qualifiers in class definitions.
897 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
901 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
902 * configure.in: Check for atol.
903 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
905 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
907 * loop.c (find_and_verify_loops): When attempting to move insns from
908 inside the loop outside the loop, create a BARRIER if no suitable
911 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
912 favor of an equivalent change from gcc-2.8.
914 * i386/x-sco5 (CC): Remove trailing whitespace.
916 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
919 (accessor_from_format): Likewise.
920 (xmalloc): New function for use when linking with alloca.o.
922 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
924 * frame.c (find_fde): Correct FDE's upper bound.
926 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
928 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
930 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
932 * calls.c (expand_call): Move #ifdef code out of macro argument
934 (emit_library_call, emit_library_call_value): Likewise.
936 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
938 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
940 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
942 * version.c: Bump for snapshot.
944 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
946 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
947 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
948 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
949 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
950 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
951 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
952 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
953 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
954 * unroll.c, varasm.c: Likewise.
955 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
957 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
959 * mips.h: Fix some type-o's from a previous change.
961 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
963 * loop.c (check_dbra_loop): Make sure initial value is a
964 CONST_INT before trying to normalize it.
966 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
968 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
970 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
972 * cppexp.c: Include gansidecl.h
974 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
976 * svr4.h (LINK_SPEC): Never specify -h.
977 * ptx4.h (LINK_SPEC): Likewise.
978 * rs6000/sysv4.h (LINK_SPEC): Likewise.
979 * sparc/sol2.h (LINK_SPEC): Likewise.
981 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
983 * c-typeck.c (comptypes): Exit early on NULL input.
985 * haifa-sched.c (schedule_insns): Correctly remove inter-block
986 dependencies after reload.
988 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
990 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
992 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
994 * alpha/vms.h (DIR_SEPARATOR): define
996 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
998 * Makefile.in (stamp-proto): Remove.
999 (protoize.o, unprotoize.o): Straightforward compile.
1000 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1002 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1004 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1005 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1007 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1009 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1010 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1011 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1013 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1015 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1017 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1019 * configure.in (target_cpu_default, target_cpu_default2): Use double
1020 quotes around them when testing their value.
1021 * configure: Rebuilt.
1023 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1025 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1027 (gendef): Call obstack_alloc_rtx.
1029 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1031 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1034 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1036 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1037 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1038 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1040 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1042 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1044 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1046 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1049 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1051 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1052 suffix from operand 3.
1054 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1055 Jeffrey A Law (law@cygnus.com)
1057 * regmove.c: New implementation of regmove pass.
1058 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1059 decls, make them have external linkage. Return a value from
1060 optimize_reg_copy_1.
1061 * reload.h (count_occurrences): Add decl.
1062 * reload1.c (count_occurrences): Delete decl, make it have external
1064 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1066 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1068 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1069 if it is not defined.
1071 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1073 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1074 * emit-rtl.c (gen_rtx): Move special code to ...
1075 (gen_rtx_CONST_INT): New function.
1076 (gen_rtx_REG): New function.
1077 (*): Update all calls to gen_rtx.
1078 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1079 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1080 (GEN_INT): Call gen_rtx_CONST_INT.
1081 * gengenrtl.c: New file.
1083 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1085 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1086 (base_alias_check): If no base found for address call canon_rtx and
1089 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1091 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1092 arguments for mips16.
1093 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1094 Don't lose if tsize is zero after handling large stack for mips16.
1095 * mips.md (return): For trivial return, return address is in $31.
1097 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1099 * mips/mips16.S: Various changes to make it work with -msingle-float
1102 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1103 Ian Lance Taylor <ian@cygnus.com>
1104 Jeff Law <law@cygnus.com>
1106 * mips.c, mips.h, mips.md: First cut at merging in mips16
1107 support. Major modifications throughout all three files.
1109 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1111 * configure.in: Make gthr-default.h a forwarding header instead of
1114 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1116 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1118 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1120 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1121 Jeffrey A Law (law@cygnus.com)
1123 * crtstuff.c (__frame_dummy): New function for irix6.
1124 (__do_global_ctors): Call __frame_dummy for irix6.
1125 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1127 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1129 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1131 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1133 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1134 for __builtin_memset.
1135 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1136 not INTEGER_CST. Assert arg 3 is a constant.
1138 * alpha.c (mode_width_operand): Accept 64-bit modes.
1139 (mode_mask_operand): Likewise.
1140 (print_operand): Likewise for 'M' and 'U' codes.
1141 (alpha_expand_unaligned_load): New function.
1142 (alpha_expand_unaligned_store): Likewise.
1143 (alpha_expand_unaligned_load_words): Likewise.
1144 (alpha_expand_unaligned_store_words): Likewise.
1145 (alpha_expand_block_move): Likewise.
1146 (alpha_expand_block_clear): Likewise.
1147 * alpha.h (MOVE_RATIO): New define.
1148 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1149 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1151 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1152 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1154 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1156 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1157 * configure: Update.
1159 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1161 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1162 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1164 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1167 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1169 * configure.in: Set and subsitute host_exeext. Use it when creating
1170 the assembler and linker symlinks.
1171 * configure: Rebuild.
1172 * Makefile.in (exeext): Set to @host_exeext@.
1173 (build_exeext): New variable, set to @build_exeext@.
1174 (FLAGS_TO_PASS): Pass down build_exeext.
1175 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1178 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1180 * mn10200.md (addsi3, subsi3): Fix thinkos.
1182 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1184 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1185 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1186 unix always, since we want to be able to thunk to functions in a
1187 shared library from an application.
1189 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1191 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1192 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1194 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1196 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1197 offset's mode is not ptr_mode, convert it.
1199 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1201 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1202 compiling if it was already defined.
1204 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1206 * flow.c (find_basic_blocks): Don't create a new basic block
1207 for calls in a LIBCALL block.
1209 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1211 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1213 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1215 * cse.c (rtx_cost): Remove conflicting default case.
1217 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1219 * configure.in: Move default enabling of Haifa out of for loop.
1220 * configure: Rebuild.
1222 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1224 * version.c: Bump for snapshot.
1226 1997-12-25 Teemu Torma <tot@trema.com>
1228 * Makefile.in (GTHREAD_FLAGS): New var.
1229 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1230 (distclean): Remove gthr-default.h.
1232 * configure.in: Accept dce as a thread package.
1233 Check for thread.h and pthread.h.
1234 Link gthr-default.h to appropriate thread file and set
1236 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1237 include multilib definitions from pa/t-dce-thr.
1238 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1239 pthread.h is found, preferring posix threads over solaris ones.
1241 * config/pa/t-dce-thr: New file.
1242 * config/pa/t-pa: Removed multilibs.
1243 * config/sparc/t-sol2: Ditto.
1246 * gthr-single.h: New file.
1247 * gthr-posix.h: New file.
1248 * gthr-solaris.h: New file.
1249 * gthr-dce.h: New file.
1250 * libgcc-thr.h: Removed.
1251 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1253 * frame.c: Include gthr.h instead of libgcc-thr.h.
1254 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1255 (eh_context_initialize): If __gthread_once fails, use static eh
1257 (eh_context_free): Call __gthread_key_dtor.
1259 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1261 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1263 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1265 * cse.c (max_insn_uid): New variable.
1266 (cse_around_loop): Use max_insn_uid.
1267 (cse_main): Set max_insn_uid.
1269 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1270 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1271 -mlong64, and -mgp{32,64} options.
1272 * mips.c (mips_abi): Change type to int.
1273 * mips.h (enum mips_abi_type): Delete.
1274 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1275 (mips_abi): Change type to int.
1277 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1279 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1280 optimization is now always enabled.
1282 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1285 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1287 (*_dependence): Call canon_rtx before base_alias_check.
1288 (init_alias_once): New function to precompute set of registers which
1289 can hold Pmode function arguments.
1291 * rtl.h: Declare init_alias_once.
1293 * toplev.c (compile_file): Call init_alias_once.
1295 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1297 * tree.c (restore_tree_status): Do not dereference a null pointer.
1299 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1301 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1302 RLIMIT_STACK. This maintains consistency with the recent, similar
1303 patch to cccp.c and toplev.c.
1305 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1307 * genattrtab.c (expand_units): For large nr opclasses, expand
1308 function_units_used with ORX to prevent blowups. Tag with FFS.
1309 (num_unit_opclasses): New variable.
1310 (gen_unit): Update it.
1311 (enum operator): Add ORX_OP.
1312 (operate_exp): Treat ORX as or, except don't expand across an if.
1313 Reuse number rtx's after operating on them.
1314 (check_attr_value): Accept IOR, AND, & FFS.
1315 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1316 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1317 (write_expr_attr_cache, write_toplevel_expr): New functions.
1318 (write_attr_get): Handle FFS-tagged expressions.
1319 (make_canonical): Don't expand const attributes.
1320 (convert_const_symbol_ref): Dike out.
1321 (evaluate_eq_attr): Handle SYMBOL_REF.
1322 (main): Don't emit get_attr_foo for const attributes.
1324 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1325 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1326 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1327 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1328 combining function units where possible.
1329 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1330 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1331 (attr "opsize"): New attribute.
1332 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1333 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1334 to control register allocation.
1335 (movsi2-1, movdi2-1): Likewise.
1337 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1339 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1340 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1341 Move OSF/1 specific defines out.
1342 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1343 Move Linux specific defines out.
1344 (LINK_SPEC): Genericize.
1345 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1346 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1347 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1348 (HANDLE_SYSV_PRAGMA): Define.
1349 * alpha/osf.h: New file.
1350 * alpha/linux.h: Split. Retain file-format independant defines.
1351 Import Linux bits from elf.h.
1352 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1353 (FUNCTION_PROFILER): _mcount takes its address in $28.
1354 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1355 * alpha/linux-ecoff.h: New file.
1356 * alpha/linux-elf.h: New file.
1357 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1358 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1359 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1360 Add new headers as appropriate.
1362 * configure.in (alpha*): Enable Haifa by default.
1363 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1364 * configure: Rebuild.
1366 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1368 * Makefile.in (clean): Remove the stages with their objects here ...
1369 (distclean): ... instead of here.
1371 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1373 * cse.c (rtx_cost): Add default case in enumeration switch.
1374 * fix-header.c (recognized_macro): Likewise.
1375 (recognized_extern): Likewise.
1376 (write_rbrac): Likewise.
1377 * objc/objc-act.c (encode_aggregate): Likewise.
1378 (gen_declarator): Likewise.
1379 (gen_declspecs): Likewise.
1381 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1383 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1384 case where we kill more regs after sched than were killed before
1386 * sched.c (create_reg_dead_note): Similarly.
1388 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1390 * c-pragma.c: Include flags.h.
1392 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1394 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1395 about system headers.
1396 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1397 and also to resolve symbols in prefix.c.
1399 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1400 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1401 when the definitions in auto-config.h is not visible.
1402 (HAVE_BZERO): Likewise.
1403 (HAVE_BCMP): Likewise.
1404 (HAVE_RINDEX): Likewise.
1405 (HAVE_INDEX): Likewise.
1407 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1409 * pa.c (emit_move_sequence): Handle a function label source
1412 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1414 * c-pragma.c (handle_pragma_token): Generate warning messages
1415 about unknown pragmas if warn_unknown_pragmas is set.
1417 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1418 line option to set variable: warn_unknown_pragmas.
1420 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1422 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1424 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1426 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1428 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1429 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1430 generate more fine grained floating point emulation libraries.
1431 * config/fp-bit.c: Add protecting #ifdef to all functions so
1432 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1433 then compile all suitable functions.
1434 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1435 underscores to avoid namespace pollution.
1436 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1438 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1442 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1443 Jeff Law <law@cygnus.com>
1445 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1447 * c-decl.c (finish_decl): Use parentheses around && within ||.
1448 * rtl.c: Include stdlib.h.
1449 (read_skip_spaces): Add parentheses around assignments used as
1451 (read_rtx): Initialize list_rtx.
1452 * cppexp.c (parse_number): Use || when operands are truth values.
1453 * alias.c (find_base_value): Add default case.
1454 (memrefs_conflict): Likewise.
1455 * combine.c (sets_function_arg_p): Likewise.
1456 * genemit.c (gen_exp): Likewise.
1457 * local-alloc.c (contains_replace_regs): Likewise.
1458 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1459 * fold-const.c (fold_convert): Use "&&" for truth values.
1460 (fold): Add default case.
1461 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1462 (sdbout_one_type): Add default case.
1463 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1464 (some_operand): Add default case.
1465 (input_operand): Likewise.
1466 (signed_comparison_operator): Likewise.
1467 (divmod_operator): Likewise.
1468 (alpha_set_memflags_1): Likewise.
1469 * reload1.c (reload_cse_simplify_operands): Ensure function
1470 always returns a value.
1471 * scan-decls.c (scan_decls): Likewise.
1472 * c-lex.c (skip_white_space): Fix typo in declaraion.
1473 * c-typeck.c (comp_target_types): Add parentheses around assignment
1474 used as truth value.
1475 (print_spelling): Likewise.
1476 (constructor_implicit, constructor_result): Remove unused variables.
1477 * collect2.c (scan_library): Protect prototype with
1478 #ifdef SCAN_LIBRARIES.
1479 * emit-rtl.c (find_line_note): Fix typo in declaration.
1480 * final.c (asm_insn_count): Protect prototype with
1481 #ifdef HAVE_ATTR_length.
1482 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1483 (try_pre_increment_1, try_pre_increment): Likewise.
1484 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1485 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1486 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1487 unsigned/signed comparisons.
1488 * gcov.c (read_files): Remove unused "first_type" variable.
1489 (scan _for_source_files): Initialize s_ptr.
1490 (function_summary): Eliminate "%lf" formatting, use %ld for
1492 (output_data): Initialize branch_probs and last_line_num.
1493 Eliminate "%lf" formatting, use "%ld" for longs.
1495 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1497 * mips16.S: New file.
1499 * libgcc2.c (varargs): Handle mips16.
1501 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1503 * stmt.c (expand_end_case): Likewise.
1504 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1505 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1506 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1508 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1510 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1511 the build directory.
1512 (libobjc.a): Update dependency list.
1513 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1515 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1516 (objc.mostlyclean): Remove runtime-info.h.
1518 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1520 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1521 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1522 * dwarf2out.c (add_subscript_info): Likewise.
1523 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1524 * sdbout.c (plain_type_1): Likewise.
1525 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1527 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1530 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1532 * mips.c (fatal): Remove declaration.
1534 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1536 * integrate.c (get_label_from_map): New function.
1537 (expand_inline_function): Use it. Initialize the label_map to
1538 NULL_RTX instead of gen_label_rtx.
1539 (copy_rtx_and_substitute): Use get_label_from_map.
1540 * integrate.h (get_label_from_map): New function.
1541 (set_label_from_map): New macro.
1542 * unroll.c (unroll_loop): Use them.
1543 (copy_loop_body): Ditto.
1545 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1547 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1548 (INIT_TARGET_OPTABS): Define.
1549 * mips/ecoff.h: Include gofast.h before mips.h.
1550 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1551 * mips/elf64.h: Likewise.
1552 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1554 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1556 * except.c: Remove register_exception_table{,_p}.
1558 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1560 * unroll.c (calculate_giv_inc): Handle constant increment found in
1561 a MEM with an appropriate REG_EQUAL note.
1563 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1565 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1566 frame pointer in the prologue.
1568 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1570 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1571 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1573 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1575 * config/m68k/m68k.c (output_function_prologue): Typecast
1576 dwarf2out_cfi_label to (char *).
1577 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1579 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1581 * sparc.md (jump): Don't use the annul bit around an empty loop.
1582 Patch from Kevin.Kelly@East.Sun.COM.
1584 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1586 * jump.c: (jump_optimize): Don't use the return register as a
1587 source1 of a conditional move.
1589 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1591 * sparc.c (DF_MODES): Or the mask not the bit number.
1592 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1594 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1596 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1598 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1600 * fixincludes (size_t): Add support for Motorola's stdlib.h
1601 which fails to provide a definition for size_t.
1602 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1603 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1604 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1606 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1607 prevent unresolved externals in libio.
1608 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1610 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1612 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1613 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1614 (LIB_SPEC): Updated for glibc 2.
1616 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1618 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1619 * ginclude/varargs.h: Likewise.
1621 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1623 * version.c: Bump for snapshot.
1625 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1627 * frame.h (__register_frame, __register_frame_table,
1628 __deregister_frame): New.
1629 * frame.c (__register_frame, __register_frame_table,
1630 __deregister_frame): New.
1631 * frame.c (__deregister_frame_info): Return void *.
1632 * frame.h (__deregister_frame_info): Ditto.
1633 * collect2.c (__deregister_frame_info): Ditto.
1635 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1637 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1639 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1641 * alpha.c (alpha_cpu_name): New variable.
1642 (alpha_mlat_string): Likewise.
1643 (alpha_memory_latency): Likewise.
1644 (override_options): Handle -mmemory-latency.
1645 (alpha_adjust_cost): Adjust load cost for latency.
1646 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1647 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1648 TARGET_CIX into account.
1649 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1650 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1652 * alpha.h (ASM_COMMENT_START): New macro.
1654 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1656 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1657 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1659 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1660 SUBREG_REG if the word count is unchanged.
1661 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1662 subregs of identical word size for push_reload.
1664 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1666 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1667 if all we're doing is dealing with -Wreturn-type.
1669 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1671 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1672 Use and 255 instead of zapnot 1, since it schedules better.
1674 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1676 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1679 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1681 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1682 dependency we delete. Properly update prev for multiple consecutive
1684 (priority): Skip deleted dependence.
1686 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1688 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1690 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1692 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1693 determining when a new basic block starts.
1695 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1697 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1698 * pa.md (iorsi3): Add missing args to *_operand calls.
1700 * except.c (call_get_eh_context): Don't mess with sequences.
1701 (emit_eh_context): Include the call in the sequence here.
1703 1997-12-11 Paul Eggert <eggert@twinsun.com>
1705 * collect2.c (write_c_file_glob): Allocate initial frame object
1706 in static storage and pass its address.
1708 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1710 * except.c (call_get_eh_context): Don't take a parm.
1711 Put the call at the top of the function.
1712 (emit_eh_context): Adjust.
1713 (get_eh_context): Replace with former use_eh_context.
1714 (get_eh_context_once, get_saved_pc_ref): Remove.
1715 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1717 * integrate.c (expand_inline_function): Adjust.
1718 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1720 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1722 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1723 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1725 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1727 * fixincludes (strlen,strspn,strcspn return value): Handle different
1729 (hypot): Provide a fake for hypot which is broken on
1730 m88k-motorola-sysv3.
1732 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1734 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1735 tree_code_name from pointers to arrays.
1736 * tree.c: Remove standard_tree_code_* variables, no longer used.
1737 * print-tree.c: Remove declaration of tree_code_name.
1739 * cp/lex.c (init_lex): Update for tree_code_* changes.
1740 * objc/objc-act.c (init_objc): Likewise.
1742 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1745 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1747 * config.sub: Add support for BeOS target.
1748 * configure.in: Likewise.
1749 * ginclude/stdarg.h: Likewise.
1750 * ginclude/stddef.h: Likewise.
1751 * ginclude/varargs.h: Likewise.
1752 * rs6000/beos.h: New file for BeOS.
1753 * rs6000/t-beos: Likewise.
1754 * rs6000/x-beos: Likewise.
1755 * rs6000/xm-beos.h: Likewise.
1756 * toplev.c (get_run_time): Just return 0 on BeOS.
1758 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1759 Toon Moene (toon@moene.indiv.nluug.nl)
1761 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1762 old and broken Sun3 assemblers. Newer versions handle large
1763 offsets correctly as does the GNU assembler.
1765 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1767 * objc/objc-act.c (lang_report_error_function): Disable.
1768 * objc/objc-parse.y: Include "output.h".
1769 (yyerror): Remove redundant decl.
1770 (yyprint): Fix prototype.
1771 (apply_args_register_offset): Remove redundant decl.
1772 (get_file_function_name): Likewise.
1774 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1776 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1778 (find_basic_blocks_1): Likewise.
1780 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1782 * except.c (use_eh_context): Don't copy_rtx a REG.
1783 (emit_throw): Lose old unwinder support.
1784 (expand_internal_throw): Likewise.
1785 * libgcc2.c (struct eh_context): Likewise.
1786 (new_eh_context): Likewise.
1787 (__get_eh_info): Lose redundant cast.
1788 (__get_dynamic_handler_chain): Likewise.
1789 (__get_saved_pc): Lose.
1790 Lose all old unwinder support code.
1792 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1794 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1796 * integrate.c (expand_inline_function): If the inline fn uses eh
1797 context, make sure that the current fn has one.
1798 * toplev.c (rest_of_compilation): Call emit_eh_context.
1799 * except.c (use_eh_context): New fn.
1800 (get_eh_context_once): New fn.
1801 (call_get_eh_context): New fn.
1802 (emit_eh_context): New fn.
1803 (get_eh_context): Call either get_eh_context_once or
1804 call_get_eh_context, depending on what we have.
1805 (get_dynamic_handler_chain): Call get_eh_context_once.
1806 * except.h: Prototypes for fns above.
1807 * optabs.c (get_eh_context_libfunc): Removed.
1808 (init_optabs): Don't initialize it.
1809 * expr.h (get_eh_context_libfunc): Removed.
1810 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1811 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1812 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1813 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1814 New multilib for -threads.
1815 * config/sparc/t-sol2: Added multilibs for -threads and
1816 made -pthreads alias to it.
1817 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1818 Added -threads and -pthreads options.
1819 * libgcc-thr.h: New file.
1820 * libgcc2.c: (__get_cpp_eh_context): Removed.
1821 (struct cpp_eh_context): Removed.
1822 (struct eh_context): Replaced cpp_eh_context with generic language
1824 (__get_eh_info): New function.
1825 (__throw): Check eh_context::info.
1827 * libgcc2.c: Include libgcc-thr.h.
1828 (new_eh_context, __get_eh_context,
1829 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1830 eh_context_specific, eh_context_free): New functions.
1831 (get_eh_context, eh_context_key): New variables.
1832 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1833 get_eh_context to get the context.
1834 (longjmp): Move the declaration inside
1835 #ifdef DONT_USE_BUILTIN_SETJMP.
1836 * frame.c: Include libgcc-thr.h.
1837 (object_mutex): Mutex to protect the object list.
1838 (find_fde, __register_frame, __register_frame_table,
1839 __deregister_frame): Hold the lock while accessing objects.
1840 * except.h (get_eh_context): Declare.
1841 * except.c (current_function_ehc): Define.
1842 (current_function_dhc, current_function_dcc): Removed.
1843 (get_eh_context): New function.
1844 (get_dynamic_handler_chain): Use get_eh_context.
1845 (get_saved_pc_ref): Ditto.
1846 (get_dynamic_cleanup_chain): Removed references to
1847 current_function_dcc.
1848 (save_eh_status, restore_eh_status): Save and restore
1849 current_function_ehc instead.
1850 * optabs.c (get_eh_context_libfunc): New variable.
1851 (init_optabs): Initialize it.
1852 * expr.h: Declare get_eh_context_libfunc.
1853 * function.h (struct function): Replaced dhc and dcc with ehc.
1854 * except.c (get_saved_pc_ref): New functions.
1855 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1856 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1858 (end_eh_unwinder): Likewise.
1859 (init_eh): Remove initialization of eh_saved_pc.
1860 * optabs.c (get_saved_pc_libfunc): New variable.
1861 (init_optabs): Initialize it.
1862 * expr.h: Declare get_saved_pc_libfunc.
1863 * except.h (eh_saved_pc_rtx): Deleted.
1864 (get_saved_pc_ref): Declared.
1866 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1867 * libgcc2.c (__get_saved_pc): New.
1868 (__eh_type, __eh_pc): Deleted.
1869 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1870 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1873 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1875 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1876 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1879 * rtl.h (global_rtl): New variable, replacing separate variables for
1881 (const_int_rtx): Now array of rtx_def, not rtx.
1882 * emit-rtl.c: Update for new rtl data structures.
1883 * genattrtab.c: Define global_rtl.
1885 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1887 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1890 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1892 * crtstuff.c (__do_global_ctors): Fix typo.
1894 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1896 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1897 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1899 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1901 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1902 * rs6000.c (function_arg_padding): New function.
1904 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1906 * m68k.c: Include tree.h only once.
1908 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1910 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1912 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1914 * Partially cleaned up prototyping code from HJ.
1915 * tree.h: Add many prototypes.
1916 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1917 All references changed.
1918 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1920 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1922 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1923 string functions like strlen.
1925 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1927 * configure.in: Check for functions getrlimit and setrlimit.
1928 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1929 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1931 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1933 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1935 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1937 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1940 * alpha.c (override_options): Don't know about scheduling for EV6.
1941 * alpha.md (ev5 function units): Don't overload as ev6.
1943 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1944 * alpha.md (define_attr type): Add mvi.
1945 (ev5_e0): Define sceduling parameters for it.
1946 (TARGET_MAX insns): Type is mvi not shift.
1948 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1950 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1952 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1954 * cstamp-h, auto-config.h: Delete.
1956 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1958 * version.c: Bump for snapshot.
1960 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1962 * cccp.c: Fix typo brought over in merge.
1964 * Merge in changes from gcc-2.8.
1966 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1968 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1970 * gcc.c (process_command): Do not take address of function fatal when
1971 calling lang_specific_driver.
1973 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1975 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1976 doesn't work with it yet, so set it to 0.
1977 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1979 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1981 * cse.c (cse_insn): Check for invalid entries when taking references.
1983 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1985 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1986 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1987 * toplev.c (rest_of_compilation): Pass it. Remove code to
1988 save / clear / restore flag_unroll_{,all_}loops.
1990 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1992 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1994 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1996 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1998 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2000 * except.c (get_dynamic_handler_chain): Only make the call once per
2003 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2005 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2007 * sh.c (final_prescan_insn): Use local label prefix
2008 when emitting .uses pseudo-ops.
2010 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2012 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2013 * except.c: Lose outer_context_label_stack.
2014 (expand_eh_region_end): Rethrow from outer_context here.
2015 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2016 (expand_internal_throw): Take no args.
2017 (expand_internal_throw_indirect): Lose.
2018 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2019 (expand_start_all_catch): Start a rethrow region.
2020 (expand_end_all_catch): End it.
2021 (expand_rethrow): New fn.
2022 * except.h: Reflect above changes.
2023 * flow.c: Revert change of Nov 27.
2025 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2027 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2029 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2031 * except.c (expand_fixup_region_end): New fn.
2032 (expand_fixup_region_start): Likewise.
2033 (expand_eh_region_start_tree): Store cleanup into finalization here.
2034 * stmt.c (expand_cleanups): Use them to protect fixups.
2036 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2038 * mips/mips.md (muldi3_r4000): Broaden the output template
2039 and attribute assignments to handle three operand dmult;
2040 rename to muldi3_internal2.
2041 (muldi3): Call the new muldi3_internal2 for R4000, and
2042 any GENERATE_MULT3 chip.
2044 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2046 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2048 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2050 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2051 with a dest_reg that was created by loop.
2053 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2055 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2057 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2059 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2061 * configure.in: Fix NCR entries.
2063 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2065 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2066 nested exceptions correctly.
2068 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2069 that was created by loop.
2071 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2073 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2075 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2077 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2079 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2080 (print_operand): Use SMALL_DATA_REG for the register involved in
2081 small data relocations.
2082 (print_operand_address): Ditto.
2084 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2085 -dynamic linker is not used.
2087 * rs6000.md (call insns): For local calls, use @local suffix under
2088 System V. Don't use @plt under Solaris.
2090 * rs6000.c (output_function_profiler): Put label address in r0, and
2091 store LR in 4(sp) for System V/eabi.
2093 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2094 byte boundary, and maintain stack backchain.
2096 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2098 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2099 fix_truncsfdi2): Change *.
2101 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2103 * toplev.c (main): Complain about -gdwarfn.
2105 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2107 * dwarfout.c (output_type): If finalizing, write out nested types
2108 of types we've already written.
2110 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2112 (patches originally from Geoffrey Keating)
2113 * rs6000.c (function_arg): Excess floating point arguments don't
2114 go into GPR registers after exhausting FP registers under the
2116 (function_arg_partial_nregs): Ditto.
2118 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2121 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2123 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2125 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2127 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2130 * libgcc2.c (__throw): Initialize HANDLER.
2132 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2134 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2135 fix_truncsfdi2): Change *X to ?*X.
2137 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2139 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2141 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2143 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2145 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2147 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2149 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2151 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2152 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2155 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2157 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2158 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2159 gas and not using the new HP assembler.
2161 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2163 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2164 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2166 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2168 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2169 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2172 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2174 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2176 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2178 * except.h: Add outer_context_label_stack.
2179 * except.c: Likewise.
2180 (expand_start_all_catch): Push the outer_context for the try block
2181 onto outer_context_label_stack.
2182 (expand_end_all_catch): Use it and pop it.
2184 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2186 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2188 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2190 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2192 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2194 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2195 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2197 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2199 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2200 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2201 __builtin_delete, and __builtin_vec_delete.
2203 * except.c (output_exception_table): Don't bother with
2206 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2208 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2209 is an in/out operand.
2210 (zero extended variants of stwm/stwm patterns): Similarly.
2212 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2214 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2216 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2218 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2219 (output_call_frame_info): Emit a \n after using it.
2221 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2223 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2225 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2227 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2228 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2229 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2231 (output_call_frame_info): Do not output forward label differences
2232 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2233 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2235 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2237 * sh.md (attribute "type"): Add nil.
2238 (movsi_ie): y/y alternative is type nil.
2239 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2241 (movsf_ie+1): Delete.
2243 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2245 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2246 large_int, emit two insns instead of one splitable insn.
2247 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2248 from cfa_temp_value, use cfa_offset. Add assert checking that
2251 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2253 * cccp.c (deps_output): Properly quote file names for make.
2255 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2257 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2259 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2261 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2263 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2265 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2267 (cse_end_of_basic_block): Similarly.
2269 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2271 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2272 (SELECT_RTX_SECTION): Define.
2273 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2275 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2277 * Makefile.in (compare, compare-lean): Define $stage for each
2279 (gnucompare, gnucompare-lean): Likewise.
2281 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2283 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2285 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2286 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2288 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2290 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2291 and add case to handle STRING_TYPE.
2292 * dwarfout.c (output_string_type_die): Fix code to generate
2293 correct string length attribute for fixed length strings.
2294 Still needs support for varying length strings.
2296 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2298 * toplev.c (get_run_time): Do something sensible for cygwin32.
2300 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2302 * expr.c (expand_builtin_setjmp): Set
2303 current_function_has_nonlocal_label.
2304 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2305 call-saved registers across calls.
2307 * alpha.md (exception_receiver): Remove.
2308 (nonlocal_goto_receiver_osf): New
2309 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2310 (nonlocal_goto_receiver): New, select _osf or _vms.
2312 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2313 keep them from being propogated to the object file.
2314 (alpha_write_linkage): Likewise.
2315 * alpha.md (call_vms): Likewise.
2316 (call_value_vms): Likewise.
2317 (unnamed osf call insns): Likewise.
2319 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2320 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2322 * alpha.c (call_operand): Any reg is valid for WinNT.
2323 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2324 (anon nt calls): Add 'R' alternative.
2325 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2326 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2328 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2330 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2332 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2333 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2334 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2336 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2338 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2339 spill error message.
2341 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2343 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2344 use varargs.h. Wrap header with <>, not "".
2346 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2348 * integrate.c (save_for_inline_copying): Add return value from
2351 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2353 * fixincludes: Be a little more restrictive on what we will
2354 substitute to replace definitions of MAXINT for HPUX.
2356 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2358 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2359 whose address is the stack or argument pointers are indirect
2362 1997-11-13 Paul Eggert <eggert@twinsun.com>
2364 * cccp.c, cpplib.c (compare_defs):
2365 Don't complain about arg name respellings unless pedantic.
2366 * cpplib.c (compare_defs): Accept pfile as new arg.
2367 All callers changed.
2369 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2371 * fold-const.c (fold_truthop): Fix bug in last change.
2373 1997-11-13 Paul Eggert <eggert@twinsun.com>
2375 Fix some confusion with IEEE minus zero.
2377 * real.h (REAL_VALUES_IDENTICAL): New macro.
2379 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2380 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2382 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2383 same tree structure as 0.0.
2385 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2386 macro instead of doing it by hand.
2388 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2390 * v850/lib1funcs.asm: Minor whitespace changes.
2391 * v850.c: Fix minor formatting problems in many places.
2392 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2394 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2396 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2397 xplus1 when xplus0 is not a register.
2399 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2401 * flow.c (find_basic_blocks): During marking phase, if we encounter
2402 an insn with a REG_LABEL note, make the target block live and
2403 create an edge from the insn to the target block. Do not make
2404 edges from all blocks to the target block.
2406 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2408 * confiugre.in: Tweak NCR entries.
2409 * configure: Rebuilt.
2411 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2413 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2414 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2415 and CONST_DOUBLE_HIGH.
2417 * rs6000.md (define_splits for DF constants): Use the appropriate
2418 REAL_VALUE_* interface to pick apart DF floating point constants in
2419 a machine independent fashion.
2421 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2423 * fold-const.c (fold_truthop): When changing a one-bit comparison
2424 against zero into a comparison against mask, do a proper sign
2427 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2429 * except.c: Do not include "assert.h".
2430 (save_eh_status): Turn asserts into conditional aborts.
2431 (restore_eh_status, scan_region): Likewise.
2432 * dwarfout.c: Do not include "assert.h".
2433 (bit_offset_attribute): Turn asserts into conditional aborts.
2434 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2435 (output_inlined_structure_type_die): Likewise.
2436 (output_inlined_union_type_die): Likewise
2437 (output_tagged_type_instantiation): Likewise.
2438 (dwarfout_file_scope_decl): Likewise.
2439 * dwarf2out.c: Do not include "assert.h"
2440 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2441 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2442 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2443 (add_bit_size_attribute, scope_die_for): Likewise.
2444 (output_pending_types_for_scope): Likewise.
2445 (get_inlined_enumeration_type_die): Likewise.
2446 (get_inlined_structure_type_die): Likewise.
2447 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2448 (gen_tagged_type_instantiation_die): Likewise.
2450 * flow.c (find_basic_blocks): Refine further to get a more correct
2451 cfg, especially in the presense of exception handling, computed
2452 gotos, and other non-trivial cases. Call abort if an inaccuracy
2453 is detected in the cfg.
2455 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2457 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2459 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2460 (skip_white_space): Use whitespace_cr.
2461 (check_newline): Handle whitespace more consistently.
2463 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2465 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2466 * i386/xm-cygwin32.h (POSIX): Define.
2468 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2470 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2471 is available elsewhere.
2473 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2475 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2476 what the instruction can handle.
2478 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2480 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2482 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2484 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2486 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2487 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2489 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2491 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2492 swap instruction order.
2494 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2496 * fixinc.svr4 (__STDC__): Add another case.
2498 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2500 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2501 addresses in the epilogue delay slot.
2503 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2505 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2506 in generated `specs' file.
2508 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2510 * flags.h (flag_rerun_loop_opt): Declare.
2511 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2512 * toplev.c (flag_rerum_loop_opt): Delete static.
2514 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 Bring over from FSF:
2518 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2520 * va-sh.h (__va_arg_sh1): Define.
2522 SH3E doesn't use any integer registers for subsequent arguments
2523 once a non-float value was passed in the stack.
2524 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2525 alignment in front label for ADDR_DIFF_VEC.
2526 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2527 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2529 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2531 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2534 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2536 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2537 put an use_sfunc_addr before each sfunc.
2538 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2539 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2541 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2543 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2545 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2547 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2550 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2552 * alias.c (find_base_value): Only return the known base value for
2555 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2557 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2558 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2560 (prologue_get_pc_and_set_got): New pattern.
2562 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2564 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2565 for SUBREG, just fall through.
2567 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2569 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2571 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2573 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2575 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2576 (USE_HOST_ALLOCA): Likewise.
2578 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2579 and LABEL_REFS fields.
2580 * rtl.h (LABEL_REFS): Update.
2582 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2584 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2585 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2586 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2589 * mips.md (insv, extzv, extv): Add change_address call.
2590 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2592 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2594 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2596 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2597 save_restore_insns if no FP and GP will be restored.
2599 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2600 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2602 * acconfig.h (HAVE_INTTYPES_H): Undef.
2603 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2604 and inttypes.h, and verify that intmax_t is defined.
2605 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2606 * config/mips/x-iris3: Likewise.
2608 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2610 * alias.c (find_base_value): When copying arguments, return the
2611 tenative value for a hard register.
2613 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2615 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2616 (yylex): Record wide strings using target endianness, not host.
2618 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2620 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2621 (ASM_OUTPUT_ALIGNED_BSS): New macro
2622 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2623 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2624 * v850.h (ASM_OUTPUT_BSS): Delete.
2625 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2627 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2629 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2631 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2633 * configure.in (sco5): Use cpio to install header files.
2635 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2637 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2639 * configure: Rebuild.
2641 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2643 * i386/sco5.h: enable -gstabs once again.
2645 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2647 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2649 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2651 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2652 notes for sjlj exceptions too.
2653 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2654 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2655 * final.c (final_scan_insn): Don't output labels for EH REGION
2656 notes if doing sjlj exceptions.
2658 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2660 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2661 optimizing correctly.
2663 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2664 or set current_function_calls_setjmp anymore.
2666 * flow.c (find_basic_blocks): If we delete the label for an
2667 exception handler, remove it from the EH label list and remove
2668 the EH_BEGIN/EH_END notes for that EH region.
2670 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2672 * flow.c (find_basic_blocks): Generate correct flow control
2673 information when exception handling notes are present.
2675 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2677 * dwarf2out.c (output_call_frame_info): Fix length argument
2678 to ASM_OUTPUT_ASCII.
2679 (output_die, output_pubnames, output_line_info): Likewise.
2681 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2683 * version.c: Bump for snapshot.
2685 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2686 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2687 flag_debug_asm is on.
2688 (output_die, output_pubnames, output_line_info): Likewise.
2690 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2691 and static_chain_rtx into the potential base values array if
2694 * alias.c (new_reg_base_value): New array of potential base values.
2695 (unique_id): Now file scoped static.
2696 (find_base_value, case REG): Return the value in reg_base_value
2697 array for the REG if it exists. Else, return the value from
2698 new_reg_base_value if copying args and REG is a hard register.
2699 (find_base_value, case PLUS): If either operand of the PLUS is
2700 a REG, try to get its base value. Handle base + index and
2702 (record_set): Use new_reg_base_value instead of reg_base_value.
2703 (init_alias_analysis): Allocate space for new_reg_base_value too.
2704 Rework code to iterate over the insns propagating base value
2705 information until nothing changes.
2707 * global.c (global_alloc): Free the conflict matrix after
2708 reload has finished.
2710 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2712 * libgcc2.c (L_eh): Define __eh_pc.
2713 Replace __eh_type with generic pointer __eh_info.
2715 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2717 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2718 use copy_to_reg if address is not a general_operand.
2720 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2722 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2723 for the duration of the call to rest_of_compilation.
2725 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2727 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2729 (sparc*-*-*): Recognize --with-cpu=v9.
2730 * sparc/elf.h: New file.
2731 * sparc/t-elf: New file.
2733 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2735 * mn10300.c (const_8bit_operand): New function.
2736 (mask_ok_for_mem_btst): New funtion.
2737 * mn10300.md (btst patterns with mem operands): Use new functions
2738 to avoid creating btst instructions with invalid operands.
2740 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2742 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2743 are running on PowerPC Linux.
2745 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2747 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2748 if not previously defined.
2750 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2752 * function.c (assign_parms): Correct mode of stack_parm if
2753 entry_parm underwent a mode conversion.
2755 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2757 * global.c (global_alloc): Use xmalloc instead of alloca for
2758 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2759 than 2.5Mb sometimes.
2761 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2763 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2764 DEST for the spill, adjust mode of SRC to compensate.
2766 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2768 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2769 since any_memory_operand() allows pseudos during reload.
2770 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2772 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2774 * m68k.md (btst patterns): Add 5200 support.
2776 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2778 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2779 optimizations, look inside dividend to determine if the expression
2780 can be simplified by using EXACT_DIV_EXPR.
2782 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2785 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2787 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2789 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2791 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2793 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2796 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2798 * alpha.md (movqi, movhi): Make sure new insns created during reload
2799 won't need reloading themselves.
2800 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2802 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2804 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2806 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2808 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2809 Patch from Klaus Kaempf <kkaempf@progis.de>.
2811 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2813 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2814 to an element in a constant string.
2816 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2818 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2819 bit PC-relative offset. The exception range table pointer is now in
2821 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2822 (count_fdes, add_fdes, get_cie): Adjust.
2823 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2826 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2828 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2830 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2831 like stack_pointer_rtx.
2833 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2835 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2836 targets using "$@" to provide support for similar but not identical
2837 targets without having to duplicate code.
2838 (bootstrap4): New goal.
2840 * Makefile.in (compare, compare-lean, compare3): Combined to one
2841 ruleset determining actions to be performed via $@.
2842 (compare4, compare4-lean): New targets.
2843 (gnucompare, gnucompare3): Combined to one ruleset determining
2844 actions to be performed via $@. Also, note which files failed
2845 the comparison test in .bad_compare.
2846 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2848 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2850 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2851 if the dividend is a multiple of the divisor.
2853 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2855 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2857 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2860 * alias.c (true_dependence): Fix typo.
2862 * toplev.c (flag_rerun_loop_opt): New variable.
2863 (f_options): Handle -frerun-loop-opt.
2864 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2866 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2868 * loop.c (simplify_giv_expr): Adding two invariants results
2871 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2873 * expr.c (get_inner_reference): Remove the array bias after
2874 converting the index to Pmode.
2876 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2878 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2879 (TARGET_MULT_BUG): Define.
2880 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2881 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2883 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2885 * mn10200.c (indirect_memory_operand): Delete unused function.
2886 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2887 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2889 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2891 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2892 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2893 for more than scheduling.
2895 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2897 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2899 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2901 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2902 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2903 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2905 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2907 * version.c: Bump for snapshot.
2909 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2911 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2914 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2916 * toplev.c (flag_exceptions): Default value is 2.
2917 (compile_file): If flag_exceptions still has the value 2, then
2920 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2921 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2922 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2924 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2927 * rs6000.md (*movsi_got_internal_mem): New pattern.
2928 (*movsi_got_internal_mem splitter): New define_split.
2930 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2932 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2934 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2936 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2937 only need to save LR.
2939 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2941 * mn10300.md (movqi, movhi): Avoid using address registers as
2942 destinations unless absolutely necessary.
2944 * mn10200.c (expand_prologue): Fix typo.
2946 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2948 * mn10200.md (neghi2): Provide an alternative which works if
2949 the input and output register are the same.
2951 * mn10300.c (print_operand): Handle 'S'.
2952 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2953 shift amount in last alternative
2955 * mn10300.c (expand_epilogue): Rework to handle register restores
2956 in "ret" and "retf" instructions correctly.
2958 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2960 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2961 extzv for memory operands.
2963 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2964 redundant conditional moves to single operand.
2966 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2968 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2971 * xm-v850.h: Use __v850 rather than __v850__ to
2974 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2976 * mips/mips.c (compute_frame_size): Not a leaf function if
2979 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2981 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2983 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2985 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2986 (DEFAULT_ARCH32_P): New macro.
2987 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2988 (enum cmodel): Declare.
2989 (sparc_cmodel_string,sparc_cmodel): Declare.
2990 (SPARC_DEFAULT_CMODEL): Provide default.
2991 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2992 (TARGET_FULLANY): Deleted.
2993 (TARGET_CM_MEDMID): New macro.
2994 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2995 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2996 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2997 (CPP_SPEC): Rewrite.
2998 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2999 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3000 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3001 (ASM_SPEC): Add %(asm_arch).
3002 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3003 Rename asm_default to asm_cpu_default.
3004 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3005 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3006 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3007 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3008 (MASK_INT64,MASK_LONG64): Delete.
3009 (MASK_ARCH64): Renamed to MASK_64BIT.
3010 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3011 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3012 (TARGET_SWITCHES): Always provide 64 bit options.
3013 (ARCH64_SWITCHES): Delete.
3014 (TARGET_OPTIONS): New option -mcmodel=.
3015 (INT_TYPE_SIZE): Always 32.
3016 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3017 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3018 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3019 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3020 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3022 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3023 * sparc/linux.h: Likewise.
3024 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3025 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3026 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3027 (SPARC_DEFAULT_CMODEL): Define.
3028 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3029 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3030 (LONG_DOUBLE_TYPE_SIZE): Define.
3031 (ASM_SPEC): Add %(asm_arch).
3032 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3033 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3034 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3035 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3036 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3037 (SPARC_DEFAULT_CMODEL): Define.
3038 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3039 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3040 MASK_LONG64, MASK_MEDANY.
3041 (SPARC_DEFAULT_CMODEL): Define.
3042 (CPP_PREDEFINES): Delete.
3043 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3044 (ASM_SPEC): Add %(asm_arch).
3045 (LONG_DOUBLE_TYPE_SIZE): Define.
3046 (DWARF2_DEBUGGING_INFO): Define.
3047 * sparc/splet.h (CPP_SPEC): Delete.
3048 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3049 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3050 (BLOCK_PROFILER): Likewise.
3051 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3052 (sparc_override_options): Handle code model selection.
3053 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3054 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3055 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3056 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3057 (sethi_di_fullany): Delete.
3059 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3060 Jeff Law <law@cygnus.com>
3061 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3063 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3064 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3065 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3066 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3067 * alpha/alpha.md (arg_home): Likewise.
3069 * alpha/alpha.c (vmskrunch): Delete
3070 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3071 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3072 truncate to 64 characters.
3074 * make-l2.com: Support openVMS/Alpha.
3076 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3078 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3080 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3082 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3084 * i386/bsd386.h (ASM_COMMENT_START): Define.
3086 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3088 * tree.c (restore_tree_status): Also free up temporary storage
3089 when we finish a toplevel function.
3090 (dump_tree_statistics): Print stats for backend obstacks.
3092 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3094 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3096 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3098 * libgcc2.c (__throw): Don't copy the return address.
3099 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3101 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3102 * toplev.c (main): Initialize exceptions_via_longjmp.
3104 * tree.c: Add extra_inline_obstacks.
3105 (save_tree_status): Use it.
3106 (restore_tree_status): If this is a toplevel inline obstack and we
3107 didn't want to save anything on it, recycle it.
3108 (print_inline_obstack_statistics): New fn.
3109 * function.c (pop_function_context_from): Pass context to
3110 restore_tree_status.
3111 * obstack.h (obstack_empty_p): New macro.
3113 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3115 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3117 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3119 * v850.c (ep_memory_offset): New function.
3120 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3122 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3123 (CONSTANT_ADDRESS_P): Add comment.
3124 (EXTRA_CONSTRAINT): Define 'U'.
3125 * v850.md: Add comments on bit field instructions.
3126 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3127 (lshrsi3): Use N not J constraint.
3129 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3131 * v850.c (reg_or_0_operand): Call register_operand.
3132 (reg_or_int5_operand): Likewise.
3133 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3134 (TARGET_SWITCHES): Add "big-switch".
3135 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3136 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3137 (CASE_DROPS_THROUGH): Comment out.
3138 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3139 * v850.md (cmpsi): Delete compare mode.
3140 (casesi): New pattern.
3142 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3143 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3144 (lshrsi3): Likewise.
3146 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3147 unreachable switch statement after 'b' support. Remove "b" from
3148 strings for 'b' support.
3149 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3151 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3153 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3154 empty line if @inhibit_libc@ is empty.
3156 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3158 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3159 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3160 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3161 (DWARF2_UNWIND_INFO): Let this track object file format.
3162 (EXTRA_SECTIONS): Add in_eh.
3163 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3164 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3166 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3168 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3169 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3171 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3172 (output_double_int): Output DI mode values correctly when
3173 HOST_BITS_PER_WIDE_INT is 64.
3174 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3175 fmovd so it works if a quad float ends up in one of the upper 32
3177 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3178 necessary for PIC support on sparc64.
3180 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3182 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3183 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3184 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3185 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3186 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3187 (SPARC_FP_ARG_FIRST): New macro.
3188 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3189 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3190 (NPARM_REGS): There are 32 fp argument registers now.
3191 (FUNCTION_ARG_REGNO_P): Likewise.
3192 (FIRST_PARM_OFFSET): Update to new v9 abi.
3193 (REG_PARM_STACK_SPACE): Define for arch64.
3194 (enum sparc_arg_class): Delete.
3195 (sparc_arg_count,sparc_n_named_args): Delete.
3196 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3197 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3198 (FUNCTION_ARG_ADVANCE): Rewrite.
3199 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3200 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3201 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3202 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3203 (STRICT_ARGUMENT_NAMING): Define.
3204 (doublemove_string): Declare.
3205 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3206 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3207 (doublemove_string): New function.
3208 (output_move_quad): Clean up some of the arch64 support.
3209 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3210 Don't add 8 bytes of reserved space if arch64.
3211 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3212 (init_cumulative_args): New function.
3213 (function_arg_slotno): New static function.
3214 (function_arg,function_arg_partial_nregs): New functions.
3215 (function_arg_{pass_by_reference,advance}): New functions.
3216 (function_arg_padding): New function.
3217 * ginclude/va-sparc.h: Rewrite v9 support.
3219 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3221 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3222 for hard regs to determine base and index registers.
3224 * reload.c (debug_reload_to_stream): New function. Specify stream
3225 into which to write debug info.
3226 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3228 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3230 * combine.c (can_combine_p): Don't combine with an asm whose
3231 output is a hard register.
3233 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3235 * c-decl.c (start_struct): Ensure that structs with forward
3236 declarations are in fact packed when -fpack-struct is given.
3238 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3239 we are packing a structure. This allows a structure with only
3240 bytes to be aligned on a byte boundary and have no padding on a
3243 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3245 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3247 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3249 * alpha.c (alpha_return_addr_rtx): New variable.
3250 (alpha_save_machine_status): New; save it.
3251 (alpha_restore_machine_status): New; restore it.
3252 (alpha_init_expanders): New; clear it.
3253 (alpha_return_addr): New; set it.
3254 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3255 is overly conservative, so search the insns explicitly.
3256 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3257 (alpha_sa_size [VMS && !VMS]): Likewise.
3258 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3259 (INIT_EXPANDERS): New definition.
3261 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3262 (output_prolog [!VMS]): Use them.
3264 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3265 (alpha_does_function_need_gp): ... a new function. Refine the
3266 CALL_INSN test to just TYPE_JSR.
3267 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3269 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3271 * version.c: Bump for snapshot.
3273 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * pa.c (move_operand): Respect -mdisable-indexing.
3276 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3278 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3280 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3282 (umulsidi3,umulsi3_highpart): Ditto.
3283 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3285 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3287 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3288 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3289 function in one go. Emit RTL for trapb, instead of printf directly.
3290 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3291 (trap_pending): Kill global variable.
3292 (output_epilog): Don't call final_prescan_insn.
3293 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3294 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3295 (MACHINE_DEPENENT_REORG): Define.
3296 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3299 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3301 Tune Haifa scheduler for Alpha:
3302 * alpha.h (ISSUE_RATE): Define.
3303 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3304 EV4 adjustments to EV5.
3305 * alpha.md: Remove all scaling from function unit delays. Rework
3306 EV5 function units to match the CPU.
3307 (umuldi3_highpart): EV5 added the IMULH insn class.
3309 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3311 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3314 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3316 * cplus-dem.c (demangle_signature): Don't look for return types on
3317 constructors. Handle member template constructors.
3319 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3321 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3322 * tree.h: Declare them.
3324 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3326 * configure.in: Handle --with-newlib.
3327 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3329 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3331 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3333 * config/ptx4.h: Fix typo.
3335 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3337 * version.c: Bump for snapshot.
3339 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3341 * aclocal.m4: Substitute INSTALL.
3342 * configure: Re-built.
3344 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3346 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3348 (expand_inline_function): Likewise.
3350 * dwarf2out.c (output_call_frame_info): Reinstate last change
3351 using flag_debug_asm check instead of flag_verbose_asm.
3353 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3355 * dwarf2out.c (output_call_frame_info): Remove last change.
3357 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3359 * frame.c (__frame_state_for): Execute the FDE insns until the
3360 current pc value is strictly bigger than the target pc value.
3362 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3364 * regclass.c (init_reg_modes): If we can't find a mode for the
3365 register, use the previous one.
3367 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3369 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3370 don't sprintf through an alloca'ed buffer.
3372 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3374 * reload.c (decompose): Always initialize val.base.
3376 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3378 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3379 instead of aborting.
3380 * dwarf2out.c (output_call_frame_info): Call app_enable and
3381 app_disable to let GNU as accept the generated comments.
3383 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3385 * tree.h (get_file_function_name): Add declaration.
3386 * dwarf2out.c (output_call_frame_info): No need to cast
3387 get_file_function_name call anymore.
3388 * profile.c (toplevel): Remove get_file_function_name
3390 * c-lang.c (finish_file): Ditto.
3392 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3394 * Makefile.in (program_transform_name): Let autoconf substitute
3397 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3399 * haifa-sched.c (schedule_block): If the first real insn in a
3400 block has any special notes attached to it, remove them.
3402 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3404 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3406 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3408 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3410 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3412 * Makefile.in (check-g77): New test target.
3413 (CHECK-TARGETS): Add check-g77.
3415 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3417 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3419 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3421 * flow.c (print_rtl_with_bb): Cast alloca return value for
3424 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3426 * i386.h (RETURN_ADDR_RTX): New definition that works for
3427 __builtin_return_address(0) and -fomit-frame-pointer.
3429 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3431 Bring over from FSF.
3432 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3434 * mips.c (function_arg): Handle passing a struct
3435 containing a double in a DFmode register without the PARALLEL.
3437 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3439 * pexecute.c: Use spawn if __CYGWIN32__.
3441 * pexecute.c: Include "config.h" first, as per autoconf manual
3442 (from Paul Eggert <eggert@twinsun.com>).
3444 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3446 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3447 optimisation for f/expr.o and f/stb.o.
3449 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3451 * cse.c (this_insn_cc0_mode): Initialize.
3453 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3455 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3457 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3459 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3461 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3462 that pair will dual-issue on the 21164 and plus+beq won't.
3463 (bne): Likewise for cmpeq+beq.
3465 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3467 * except.c (find_exception_handler_labels): Correct argument to free.
3469 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3471 * except.c (find_exception_handler_labels): Free LABELS when we're
3474 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3476 * version.c: Bump for snapshot.
3478 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3480 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3483 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3485 * configure.in: Substitute for "install" too.
3486 * configure: Rebuilt.
3488 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3490 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3492 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3494 * alias.c (base_alias_check): Two symbols can conflict if they
3495 are accessed via AND.
3496 (memrefs_conflict_p): Likewise.
3498 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3499 after flushing argument registers to the stack.
3501 * Makefile.in (mostlyclean): Remove .regmove files.
3503 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3505 * libgcc2.c (__throw): Fix thinko.
3507 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3509 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3510 template-function mangling.
3511 (consume_count_with_underscores): New function.
3512 (demangle_signature): Handle new name-mangling scheme.
3514 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3516 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3519 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3521 * frame.c: Remove last change.
3522 * dwarf2.h: Remove last change.
3523 * tree.h: Add declarations of DWARF2 unwind info support
3526 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3528 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3529 * tree.h (built_in_function): Likewise.
3530 * expr.c (expand_builtin): Likewise.
3531 * except.h: Likewise.
3532 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3533 * libgcc2.c (copy_reg): New fn.
3536 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3538 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3539 unsigned if -W is specified and -Wno-sign-compare is not.
3540 * c-decl.c (warn_sign_compare): Initialize to -1.
3541 (c_decode_option): -Wall no longer implies -Wsign-compare.
3543 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3545 * frame.c: Include gansidecl.h for PROTO.
3546 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3547 defined. Don't declare dwarf2out_cfi_label here.
3548 * dwarf2.h: Add declarations of DWARF2 unwind info support
3550 * m68k.c: Include dwarf2.h.
3551 (output_function_prologue): Add dwarf2 support.
3552 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3553 (INCOMING_FRAME_SP_OFFSET): Likewise.
3555 * integrate.c (expand_inline_function): Make sure there is at
3556 least one insn that can be used as an insertion point.
3558 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3560 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3562 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3564 * version.c: Bump for snapshot.
3566 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3568 Bring over from FSF.
3570 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3572 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3573 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3574 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3576 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3578 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3579 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3581 (sparc_align_{loops,jumps,funcs}_string): Declare.
3582 (sparc_align_{loops,jumps,funcs}): Declare.
3583 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3584 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3585 (STACK_BIAS): Define.
3586 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3588 (SPARC_SETHI_P): New macro.
3589 (CONST_OK_FOR_LETTER_P): Use it.
3590 (ASM_OUTPUT_ALIGN_CODE): Define.
3591 (ASM_OUTPUT_LOOP_ALIGN): Define.
3592 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3593 (sparc_align_{loops,jumps,funcs}): New globals.
3594 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3596 (move_operand): Use SPARC_SETHI_P.
3597 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3599 (arith11_double_operand): Likewise.
3600 (arith10_double_operand): Likewise.
3601 (finalize_pic): Finish sparc64 support.
3602 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3603 64 bit constants if able.
3604 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3605 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3607 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3608 (get_pc_sp32): Use for sparc64 as well.
3609 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3610 (sethi_di_sp64_const): Likewise.
3611 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3612 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3613 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3615 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3617 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3618 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3619 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3621 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3623 Add sparc64 linux support.
3624 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3625 to xm_file list on 32-bit sparc-linux.
3626 * sparc/xm-sp64.h: New file.
3627 * sparc/linux64.h: New file.
3628 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3629 Don't include xm-sparc.h.
3630 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3631 * glimits.h (LONG_MAX): Handle sparc64.
3633 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3635 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3636 * sparc.h (ASM_COMMENT_START): Define.
3637 * sparc.c (output_function_prologue): Use it.
3638 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3640 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3642 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3643 use sparc.h's copies.
3644 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3647 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3649 * sparc.c (dwarf2out_cfi_label): Add declaration.
3650 (save_regs, output_function_prologue): Remove cast for it.
3651 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3652 ({save,restore}_regs): No longer inline.
3654 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3656 * fold-const.c (make_range): Correctly handle cases of converting
3657 from unsigned to signed type.
3659 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3661 * fold-const.c (merge_ranges): Make sure that if one range is subset
3662 of another, it will always be the second range. Correct (+,-) case to
3665 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3667 * final.c (final_end_function): Also do dwarf2 thing if
3668 DWARF2_DEBUGGING_INFO.
3669 (final_start_function): Likewise.
3671 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3673 * expmed.c (expand_divmod): If compute_mode is not the same as
3674 mode, handle the case where convert_modes() causes op1 to no
3675 longer be a CONST_INT.
3677 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3678 note holding get_jump_flags() calculation to all JUMP_INSNs.
3679 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3680 * rtl.c (reg_note_name): Add new note types.
3682 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3684 * rtlanal.c (computed_jump_p): Fix typo in last change.
3686 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3688 * loop.c (indirect_jump_in_function_p): Return 0
3691 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3693 * rs6000/xm-rs6000.h: Fix thinko in last change.
3694 * rs6000/xm-sysv4.h: Likewise.
3696 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3698 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3700 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3702 * reg-stack.c (find_blocks): Fix thinko in last change.
3704 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3706 * m68k.c (output_function_prologue): Add dwarf2 support.
3708 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3709 INCOMING_FRAME_SP_OFFSET): New definitions.
3711 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3713 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3714 appropriate in calls to gen_rtx().
3715 * cse.c (cse_main): Likewise.
3716 * emit-rtl.c (gen_label_rtx): Likewise.
3717 * expr.c (init_expr_once): Likewise.
3718 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3719 sched_analyze, init_rgn_data_dependences,
3720 compute_block_backward_dependences): Likewise.
3721 * sched.c (schedule_insns): Likewise.
3722 * varasm.c (immed_double_const): Likewise.
3724 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3725 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3727 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3729 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3730 (MULTILIB_DEFAULTS): Define.
3731 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3732 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3733 (LIBGCC_SPEC): Likewise.
3734 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3735 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3736 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3737 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3738 (EXTRA_PARTS, TAROUTOPTS): Delete.
3739 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3740 (MULTILIB_OPTIONS): Define.
3741 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3742 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3744 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3746 * version.c: Bump for snapshot.
3748 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3750 * loop.c (loop_number): Delete function. Change all references
3751 to use uid_loop_num array.
3752 * loop.h (loop_number): Delete declaration.
3753 * unroll.c (unroll_loop): Change "loop_number" references to
3754 use uid_loop_num instead.
3756 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3758 (loop_unroll_iter): Remove unused variable and all references.
3759 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3760 (insert_bct): Fix minor formatting problems.
3761 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3762 (loop_unroll_iter): Removed unused decl.
3763 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3764 Always record the unrolling factor.
3766 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3767 Similarly for h1u and h1s.
3769 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3770 (find_basic_blocks): Use computed_jump_p to determine if a
3771 particular JUMP_INSN is a computed jump.
3772 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3773 if a particular JUMP_INSN is a computed jump.
3774 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3775 (computed_jump_p): Likewise.
3776 * rtl.h (computed_jump_p): Declare.
3777 * genattrtab.c (pc_rtx): Define and initialize.
3778 * loop.c (loop_optimize): Always determine if the current
3779 function has a computed jump.
3780 (indirect_jump_in_function_p): Use computed_jump_p to determine
3781 if a particular JUMP_INSN is a computed jump.
3783 * loop.c (fix_bct_param): Delete unused function.
3784 (check_bct_param): Likewise.
3786 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3788 * frame.c (__deregister_frame): Check properly for initialized object.
3790 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3792 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3794 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3796 * jump.c (thread_jumps): check can_reverse_comparison_p before
3797 threading a reversed-condition jump.
3799 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3800 * haifa-sched.c (update_flow_info): Likewise.
3802 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3804 * Makefile.in (BOOT_CFLAGS): Use -O2.
3806 * configure.in (strtoul, bsearch): Have autoconf check for these
3808 * configure, config.in: Rebuilt.
3810 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3811 * mips/mips.h (alloca): Likewise.
3812 * rs6000/xm-rs6000.h (alloca): Likewise.
3813 * rs6000/xm-sysv4.h: Likewise.
3815 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3817 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3818 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3819 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3821 * except.c (end_eh_unwinder): Subtract 1 from return address.
3822 * libgcc2.c (__throw): Likewise.
3823 (find_exception_handler): Don't change PC here. Compare end with >.
3825 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3827 * v850.c (compute_register_save_size): Correct register
3829 * v850.md (save_interrupt, return_interrupt): Correct
3831 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3832 (return_interrupt): Use stack pointer, not element pointer.
3834 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3836 * configure.in, configure: Make sure to create the stage* and include
3837 symbolic links in each subdirectory.
3839 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3841 * pa.md (reload_peepholes): Don't allow addresses with side
3842 effects for the memory operand.
3844 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3846 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3847 looking for a handler, to avoid hitting the beginning of the next
3850 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3852 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3854 * mips/abi64.h (LONG_MAX_SPEC): Define.
3855 * mips.h (LONG_MAX_SPEC): Define.
3856 (CPP_SPEC): Include long_max_spec.
3857 (EXTRA_SPECS): Include long_max_spec.
3859 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3861 * v850.c (construct_save_jarl): Fix thinko in last change.
3863 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3865 * version.c: Bump for snapshot.
3867 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3869 * libgcc2.c (find_exception_handler): Not found is -1.
3871 * integrate.c (expand_inline_function): Move expand_start_bindings
3872 after expanding the arguments.
3874 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3876 * expr.c (expand_expr): Remove previous incorrect change.
3877 If target and slot has no DECL_RTL, then call mark_addressable
3878 again for the slot after we give it RTL.
3880 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3882 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3883 again for the slot after we give it RTL.
3885 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3887 * v850.c (register_is_ok_for_epilogue,
3888 pattern_is_ok_for_epilogue, construct_restore_jr,
3889 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3891 * v850.h (pattern_is_ok_for_prologue,
3892 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3895 * v850.md: Replace prologue and epilogue patterns with a
3896 match_parallel pattern.
3898 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3900 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3901 * configure.in: Use EGCS_PROG_INSTALL.
3903 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3905 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3906 extern inline function.
3908 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3910 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3911 (concat_loc_descriptor): New function.
3912 (loc_descriptor): Call it.
3913 (add_AT_location_description): Also elide the descriptor if both
3914 halves of a CONCAT are pseudos.
3915 (add_location_or_const_value_attribute): Recognize CONCAT too.
3917 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3919 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3921 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3922 out-or-range reg_offset.
3923 (output_epilog): Likewise.
3925 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3927 * cse.c (simplify_relational_operation): If MODE specifies a
3928 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3929 is derived from the sign bit of the low word.
3931 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3933 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3935 * dwarf2.h: Add DW_CFA_GNU_args_size.
3936 * frame.c (execute_cfa_insn): Likewise.
3937 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3938 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3939 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3940 insn, hand it off to dwarf2out_stack_adjust.
3941 (dwarf2out_begin_prologue): Initialize args_size.
3942 * frame.h (struct frame_state): Add args_size.
3943 * libgcc2.c (__throw): Use args_size.
3944 * final.c (final_scan_insn): If we push args, hand off all insns
3945 to dwarf2out_frame_debug.
3946 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3948 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3949 Handle epilogue restore of SP from FP.
3950 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3951 lone insn has RTX_FRAME_RELATED_P set.
3953 * frame.c (extract_cie_info): Handle "e" augmentation.
3954 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3955 absence of UNALIGNED_*_ASM_OP.
3956 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3957 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3958 Don't emit augmentation fields length.
3959 (dwarf2out_do_frame): Move outside of #ifdefs.
3960 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3963 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3964 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3965 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3966 * sparc/sun4gas.h: New file.
3967 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3969 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3970 __register_frame_table and __deregister_frame.
3972 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3974 * except.c (find_exception_handler_labels): Use xmalloc instead of
3975 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3978 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3980 * Makefile.in: Various changes to build info files
3981 in the object tree rather than the source tree.
3983 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3985 * fixinc.math: New file to fix math.h on some systems.
3986 * configure.in (freebsd, netbsd): Use fixinc.math on these
3988 * configure: Rebuilt.
3990 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3992 * regmove.c (regmove_optimize): If we end up moving the
3993 original insn due to lifetime overlaps, make sure to move
3996 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3998 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4000 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4002 * haifa-sched.c (add_branch_dependences): Make each insn in
4003 a SCHED_GROUP_P block explicitly depend on the previous insn.
4005 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4007 * except.h: Prototype dwarf2 hooks.
4010 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4012 * configure.in (native_prefix): Delete.
4013 (mips-dec-netbsd): Don't set prefix.
4014 (*linux*): Don't set prefix.
4016 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4018 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4019 defined. If not defined, include <sys/varargs.h> if
4020 HAVE_SYS_VARARGS_H is defined.
4021 * configure.in: Test for varargs.h and sys/varargs.h.
4022 * configure: Regenerate with autoconf.
4023 * config.in: Regenerate with autoheader.
4025 * cpplib.c (quote_string): Cast first arg of sprintf call
4026 from "unsigned char *" to "char *".
4027 (output_line_command): Ditto.
4028 (macroexpand): Ditto.
4029 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4031 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4033 * version.c: Bump for snapshot.
4035 * Makefile.in (compare): Exit with nonzero status if there
4036 are comparison failures. Note which files failed the
4037 comparison test in .bad_compare.
4039 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4041 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4043 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4045 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4046 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4047 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4048 * configure: Regenerated.
4050 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4052 * loop.c (strength_reduce): Fix typo.
4054 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4056 * m88k/m88k.c (struct option): Rename to struct options.
4057 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4058 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4059 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4060 __DOLPHIN__ or sysV88.
4062 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4064 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4067 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4069 * config.sub: Accept 'amigados' for backward compatability.
4071 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4073 * Makefile.in (testsuite/site.exp): New target.
4074 (check-gcc, check-g++): Depend on testsuite/site.exp.
4075 Don't stop for failure.
4077 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4079 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4080 if DWARF2_UNWIND_INFO.
4082 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4084 Add support for exception handling using DWARF 2 frame unwind info.
4085 Currently works on SPARC and MIPS, and almost on x86.
4087 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4088 next_stack_level, in_reg_window): Helper fns.
4089 (__throw): Implement for DWARF2_UNWIND_INFO.
4091 * expr.c (expand_builtin): Handle builtins used by __throw.
4092 * tree.h (enum built_in_function): Add builtins used by __throw.
4093 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4094 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4095 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4096 (expand_builtin_extract_return_addr): Likewise.
4097 (expand_builtin_frob_return_addr): Likewise.
4098 (expand_builtin_set_return_addr_reg): Likewise.
4099 (expand_builtin_eh_stub): Likewise.
4100 (expand_builtin_set_eh_regs): Likewise.
4101 (eh_regs): Choose two call-clobbered registers for passing back values.
4103 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4104 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4105 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4106 (stmp-multilib): Likewise.
4107 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4109 * except.c: #include "defaults.h".
4110 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4111 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4112 (register_exception_table_p): New fn.
4113 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4114 (end_eh_unwinder): Likewise.
4116 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4117 call __register_frame and __deregister_frame as needed.
4118 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4119 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4120 EH_FRAME_SECTION_ASM_OP.
4121 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4122 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4123 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4125 * dwarf2out.c (output_call_frame_info): If no support for
4126 EXCEPTION_SECTION, mark the start of the frame info with a
4128 * collect2.c (frame_tables): New list.
4129 (is_ctor_dtor): Recognise frame entries.
4130 (scan_prog_file): Likewise.
4131 (main): Pass -fno-exceptions to sub-compile. Also do collection
4132 if there are any frame entries.
4133 (write_c_file_stat): Call __register_frame_table and
4134 __deregister_frame as needed.
4135 (write_c_file_glob): Likewise.
4137 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4138 Also require unaligned reloc support.
4139 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4140 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4141 * sparc/sysv4.h: Not here.
4143 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4144 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4145 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4147 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4148 EH implementations to the top.
4149 (find_exception_handler): Split out. Start from 0. Compare against
4151 (__find_first_exception_table_match): Use it.
4152 * except.c (output_exception_table): Don't do anything if there's
4153 no table. Don't output a first entry of zeroes.
4154 (eh_outer_context): Adjust properly.
4155 (add_eh_table_entry): Use xrealloc.
4156 * toplev.c (compile_file): Just call output_exception_table.
4158 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4160 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4162 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4164 * except.c (eh_outer_context): Do masking using expand_and.
4166 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4168 Add port done awhile ago for the ARC cpu.
4169 * arc/arc.h: New file.
4170 * arc/arc.c: New file.
4171 * arc/arc.md: New file.
4172 * arc/initfini.c: New file.
4173 * arc/lib1funcs.asm: New file.
4174 * arc/t-arc: New file.
4175 * arc/xm-arc.h: New file.
4176 * ginclude/va-arc.h: New file.
4177 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4178 * ginclude/varargs.h: Likewise.
4179 * Makefile.in (USER_H): Add va-arc.h.
4180 * configure.in (arc-*-elf*): Recognize.
4181 * longlong.h: Add ARC support.
4183 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4185 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4186 when clearing non-BLKmode data.
4188 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4190 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4191 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4193 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4195 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4197 * Makefile.in (clean): Delete libgcc1-test.
4199 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4201 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4203 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4206 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4208 * dwarf2out.c (output_call_frame_info): Call named_section.
4210 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4212 * haifa-sched.c (print_value): Fix last change.
4214 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4216 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4219 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4221 * mips.c (function_prologue): Set up the CFA when ABI_32.
4223 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4224 for dwarf2 unwind info.
4225 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4227 * final.c (final_end_function): Check dwarf2out_do_frame instead
4228 of DWARF2_DEBUG for dwarf2 unwind info.
4229 (final_scan_insn): Likewise.
4230 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4233 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4236 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4238 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4240 * v850.h (ASM_SPEC): Pass on target processor.
4241 (CPP_PREDEFINES): Only define if not already specified.
4242 (TARGET_VERSION): Only define if not already specified.
4243 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4245 (EXTRA_SWITCHES): Extra entries in the switches array.
4246 (TARGET_DEFAULT): Set default target processor.
4248 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4250 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4251 cases, add %# and %/, and add : to make them into extended asms.
4253 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4255 * alias.c (init_alias_analysis): Clean up incompatible pointer
4256 type warning in bzero.
4257 * regmove.c (regmove_optimize): Ditto.
4258 * haifa-sched.c (find_rgns): Ditto.
4260 * haifa-sched.c (print_value): Clean up ptr->int cast
4263 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4265 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4266 * install.texi (Configurations): Ditto.
4267 * config.sub: Ditto.
4269 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4271 * Makefile.in (sdbout.o): Depend on insn-config.h.
4273 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4275 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4276 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4278 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4280 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4281 prologue insn, only the first elt is significant.
4282 (output_call_frame_info): For exception handling, always use 4-byte
4283 fields as specified by the dwarf2 spec.
4284 Don't skip trivial FDEs.
4286 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4288 * version.c: Bump for snapshot.
4290 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4292 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4293 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4296 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4298 * final.c (shorten_branches): During first pass, assume worst
4299 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4301 * Makefile.in (distclean): Remove various things left around
4302 by running the testsuite.
4304 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4306 * configure.in (out_file): Emit definition to config.status in order
4307 to have a defined value for configure.lang.
4308 * configure: Re-built.
4310 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4312 * configure.in: Make symlink to as-new rather than as.new. Similarly
4314 * configure: Rebuilt.
4316 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4318 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4320 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4322 * sparc/sparc.md: Add ultrasparc scheduling support.
4323 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4325 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4327 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4328 as initial value for real_label_map.
4329 (copy_for_inline): Likewise.
4331 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4333 * sched.c (update_flow_info) When looking if to set found_split_dest
4334 or found_orig_dest, look at all parts of a PARALLEL.
4335 * haifa-sched.c (update_flow_info): Likewise.
4337 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4339 * v850: New directory for v850 port.
4340 * v850/lib1funcs.asm: New file.
4341 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4342 * ginclude/va-v850.h: New file.
4343 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4344 * configure.in (mn10200-*-*): New target.
4345 * configure: Rebuilt.
4346 * config.sub: Handle v850-elf.
4347 * Makefile.in (USER_H): Add va-mn10200.h.
4348 * invoke.texi: Document v850 stuff.
4350 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4352 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4353 has integer TYPE_{MAX,MIN}_VALUE before using them.
4355 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4356 __HPUX_ASM__ versions.
4358 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4360 * install.sh: Delete duplicate install script.
4362 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4364 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4365 computed goto which sets the same stack register.
4367 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4368 destination are both on the regstack.
4369 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4371 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4373 * mips.md (nonlocal_goto_receiver): Define.
4375 * profile.c (output_arc_profiler): Check next_insert_after for non
4376 NULL before deferencing it.
4378 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4380 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4382 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4384 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4386 * toplev.c (rest_of_compilation): For passes starting with
4387 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4389 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4392 * flow.c (print_rtl_with_bb): Print which insns start and end
4393 basic blocks. For the start of a basic block, also print the live
4396 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4398 * toplev.c (main): Change #elif to #else/#ifdef
4400 * tlink.c: Include ctype.h.
4401 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4403 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4405 * bitmap.c: Conditionally include stdlib.h.
4406 (free): Provide a declaration if NEED_DECLARATION_FREE.
4408 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4410 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4412 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4414 * profile.c (output_arc_profiler): Verify next_insert_after is an
4415 INSN before and after skipping a stack pop.
4417 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4419 * final.c (shorten_branches): Don't count the lengths of deleted
4422 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4424 * version.c: Bump for snapshot.
4426 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4428 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4429 two bitmaps ANDed together.
4430 (bitmap_print): Declare.
4432 * bitmap.c (function_obstack): Don't declare any more.
4433 (bitmap_obstack): Obstack for allocating links from.
4434 (bitmap_obstack_init): New static to say whether to initialize
4436 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4437 (bitmap_release_memory): Free all memory allocated from
4440 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4441 EXECUTE_IF_AND_IN_BITMAP.
4443 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4445 * alias.c (true_dependence): Address with AND can alias scalars.
4446 (anti_dependence, output_dependence): Likewise.
4448 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4450 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4452 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4453 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4454 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4455 definitions. Use -qrtems instead of -mrtems.
4457 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4459 * xm-sco5.h (sys_siglist): Define.
4460 (SYS_SIGLIST_DECLARED): Likewise.
4462 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4464 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4466 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4468 * except.c (eh_outer_context): Expand masking operation using
4471 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4473 * alpha.md (floatdisf2-1): New pattern.
4475 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4477 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4478 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4479 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4480 * gcc.texi: Note that if you define sys_siglist that you should
4481 also define SYS_SIGLIST_DECLARED.
4483 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4484 are relative to the next instruction, not the current instruction.
4486 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4488 * local-alloc.c (contains_replace_regs): New function.
4489 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4490 verify that there is no existing REG_EQUIV note, and add a call to
4491 contains_place_regs.
4493 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4495 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4496 (STARTFILE_SPEC): Always use crtbegin.o%s
4497 (ENDFILE_SPEC): Always use crtend.o%s.
4499 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4501 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4503 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4504 SFmode for 64 bit hosts.
4506 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4508 * fixincludes: Permits spaces between # and define. Discard C++
4509 comments in sys/pci.h on HP/UX 10.20.
4511 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4513 * version.c: Bump for snapshot.
4515 * pa.c (restore_unscaled_index_insn_codes): New function.
4516 (record_unscaled_index_insn_codes): Likewise.
4517 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4518 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4519 (pa_reorg): Call record_unscaled_index_insn_codes.
4521 * haifa-sched.c (move_insn): Handle notes correctly for insns
4522 with SCHED_GROUP_P set.
4524 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4526 * alpha/xm-linux.h (USE_BFD): Undef before define.
4528 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4530 * cse.c (cse_insn): Don't record BLKmode values.
4532 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4534 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4536 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4538 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4539 * collect2.c (sys_errlist): Likewise.
4540 * cpplib.c (sys_errlist): Likewise.
4541 * gcc.c (sys_errlist): Likewise.
4542 * protoize (sys_errlist): Likewise.
4543 * configure.in: Check for strerror.
4544 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4545 * xm-gnu.h (HAVE_STRERROR): Likewise.
4546 * xm-linux.h (HAVE_STRERROR): Likewise.
4547 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4548 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4549 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4550 * xm-dos.h (HAVE_STRERROR): Likewise.
4551 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4552 * xm-pa.h (HAVE_STRERROR): Likewise.
4553 * xm-papro.h (HAVE_STRERROR): Likewise.
4554 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4555 * configure, config.in: Rebuilt.
4557 * Makefile.in: Add several missing "else true" clauses.
4559 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4560 * mips-tfile.c: Likewise.
4561 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4562 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4563 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4564 * configure.in: Check for sys_siglist declaration.
4565 * configure, config.in: Rebuilt.
4567 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4569 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4570 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4571 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4572 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4573 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4574 macro EXTRA_SUBTARGET_SWITCHES.
4575 * configure.in (sh*-*-rtems*): New target.
4576 * sh/rtems.h: New file.
4577 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4578 * configure: Rebuilt.
4580 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4582 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4584 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4586 * rs6000.md: Make DF fused-add operations pay attention to
4589 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4591 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4593 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4595 * pa.md (reload_peepholes): Make sure operand is a REG before
4596 examining REGNO. Allow general registers too.
4598 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4600 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4602 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4604 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4605 to reallocate abbrev_die_table.
4607 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4609 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4611 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4613 * Makefile.in (config.status): Depend on version.c
4615 * expr.h (insn_gen_function): Reenable prototype.
4617 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4620 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4622 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4624 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4626 * version.c: Bump for latest snapshot.
4628 * bc-optab.c: Conditionally include stdlib.h.
4629 (free): Provide a declaration if NEED_DECLARATION_FREE.
4630 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4631 * rtl.h (free): Remove declaration.
4632 * tree.h (free): Remvoe declaration.
4634 * configure: Rebuilt.
4636 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4638 * flags.h (flag_move_all_movables): Declare.
4639 (flag_reduce_all_givs): Likewise.
4640 * loop.c (move_movables): Handle flag_move_all_movables.
4641 (strength_reduce): Handle flag_reduce_all_givs.
4642 * toplev.c (flag_move_all_movables): Define.
4643 (flag_reduce_all_givs): Likewise.
4644 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4645 * invoke.texi: Document new options, including alias stuff that
4646 wasn't included last time.
4648 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4650 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4653 * t-vxworks68: Ditto.
4654 * t-vxworks960: Ditto.
4657 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4659 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4660 if not already defined, and USE_C_ALLOCA not defined.
4662 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4664 * config.guess: Replace with script that uses ../config.guess.
4666 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4667 if USE_GNULIBC_1 is not defined.
4669 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4671 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4672 * config.guess: Recognize alpha-linux-gnulibc1.
4673 * configure.in (alpha-*-linux-gnulibc1): New target.
4674 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4676 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4678 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4681 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4683 * loop.c (combine_movables): Earlier insns don't match later ones.
4685 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4687 * config/linux.h (CC1_SPEC): Define it only if not defined.
4689 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4692 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4693 USE_GNULIBC_1 is not defined.
4695 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4697 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4698 as 1 if USE_GNULIBC_1 is not defined.
4700 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4702 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4703 to be something other than a REG.
4704 * function.c (expand_function_end): Fix current_function_return_rtx
4707 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4708 * x-netbsd: Likewise
4709 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4710 (INSTALL_HEADERS): Delete.
4711 * x-dguxbcs: Likewise.
4712 * x-hp3bsd44: Likewise
4715 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4717 * i386.md (pop): pop increments the stack pointer.
4718 (prologue_set_stack_ptr): New pattern.
4719 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4722 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4724 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4725 address where an offsettable address is required.
4727 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4729 * loop.c (check_final_value): Don't miss a biv increment in a
4732 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4734 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4735 TYPE_DECL_IS_STUB instead of DECL_NAME.
4737 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4739 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4741 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4743 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4745 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4747 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4748 (find_post_sched_live): Likewise.
4750 * haifa-sched.c (schedule_block): Remove old code to get arguments
4751 from hard regs into pseudos early.
4753 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4755 * version.c: Bump for new snapshot.
4757 * local-alloc.c (update_equiv_regs): All the target to reject
4758 promotion of some REG_EQUAL to REG_EQUIV notes.
4759 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4761 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4764 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4765 store of the argument registers.
4767 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4769 * fold-const.c (multiple_of_p): New function.
4770 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4772 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4774 * expr.h (insn_gen_function): Temporarily remove prototype.
4776 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4778 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4779 filenames. Use sed to extract base filename for install.
4781 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4783 * unroll.c (find_splittable_givs): Only share if two givs have the
4784 same add and multiply values.
4786 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4788 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4789 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4791 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4793 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4794 around branch tables.
4795 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4796 and .end_brtab directives if TARGET_GAS.
4798 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4800 * alias.c (true_dependence): Pass x_addr not x to varies.
4802 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4803 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4804 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4806 * config.in, configure: Regenerate.
4808 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4810 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4812 (record_set): Handle LO_SUM like PLUS.
4813 (init_alias_analysis): When following chains of base addresses,
4814 do not stop on reaching a hard register.
4816 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4818 * version.c: Bump for new snapshot.
4820 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4822 * alpha.h (ARCH_ASM_FILE_START): Define.
4823 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4824 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4826 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4828 * Makefile.in (install-common): Put gcov comment at start of line.
4830 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4832 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4833 array, simplify entries for hard registers too.
4835 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4837 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4840 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4842 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4843 block_stack before dereferencing it.
4845 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4847 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4849 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4851 * cplus-dem.c: Add 'extern' to prepends_underscore.
4853 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4855 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4856 (get_issue_rate): Delete.
4857 * pa.h (ISSUE_RATE): Define.
4859 * configure.in: Turn on haifa by default for the PA.
4860 * configure: Rebuilt.
4861 * pa.c (override_options): Accept -mschedule=7200 option.
4862 (pa_adjust_cost): No longer need to scale costs for newer
4864 * pa.h (enum processor_type): Add PROCESSOR_7200.
4865 * pa.md: Revamp scheduling parameters to work better with
4866 haifa. Add scheduling parameters for the 7200.
4868 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4870 (schedule_block): When adjusting basic_block_{head,end}, account
4871 for movement of SCHED_GROUP_P insns too.
4873 * haifa-sched.c (debug_dependencies): Fix thinko.
4875 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4876 (site.exp, check, check-g++, check-gcc): New targets.
4878 * haifa-sched.c: Make lots of variables static.
4880 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4882 * expr.h, real.h: Finish prototyping.
4884 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4886 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4887 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4888 * reload1.c: Undo bugfix from Aug 11.
4890 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4892 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4893 quotes around the name.
4894 * configure: Regenerate.
4896 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4898 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4900 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4902 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4903 to sub-makes to avoid building more passes than the user might have
4904 requested on the command line.
4906 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4908 * configure.in: Expurgate `broken_install' (install is
4911 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4914 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4916 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4917 functions and declarations.
4918 (analyze_loop_iterations): Use condjump_p.
4919 (insert_bct): Likewise. Use exact_log2.
4921 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4923 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4924 (schedule_region): Likewise.
4925 (schedule_insns): Likewise.
4927 * PROJECTS: Update with Haifa stuff.
4929 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4931 * version.c: Change the version string to look like:
4932 egcs-2.90.00 970814 (gcc2-970802 experimental).
4934 * loop.c (is_conditional_branch): Make definition match declaration.
4936 * gcc.c: Take out experimental snapshot warning message.
4938 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4940 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4941 print out the names of the notes. Print out the name of the insn
4942 that is not a note, and not an {,CALL_,JUMP_}INSN.
4944 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4946 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4947 again for the slot after we give it RTL.
4949 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4951 * configure.in (haifa configury): Fix typo.
4952 * configure: Regenerate.
4954 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4956 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4958 * gcc.info*: Rebuilt.
4960 * COPYING.g77, README.g77: New files.
4961 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4962 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4963 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4965 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4967 * Integrate Haifa instruction scheduler.
4968 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4969 to sched with $(SCHED_CFLAGS.
4970 * configure.in: Handle --enable-haifa.
4971 * configure: Rebuilt.
4972 * flags.h: Add new flags for haifa instruction scheduler.
4973 * genattrtab.c (expand_units): For haifa, don't subtract one
4974 when computing blockage.
4975 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4976 (flag_schedule_speculative): Ditto.
4977 (flag_schedule_speculative_load): Ditto.
4978 (flag_schedule_speculative_load_dangerous): Ditto.
4979 (flag_schedule_reverse_before_reload): Ditto.
4980 (flag_schedule_reverse_after_reload): Ditto.
4981 (flag_branch_on_count_reg): Ditto.
4982 (f_options): Add Haifa switches.
4983 (main): Turn off some Haifa options if appropriate macro is
4984 defined. Process Haifa switches.
4985 * unroll.c (iteration_info): No longer static, since Haifa
4987 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4988 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4989 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4990 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4991 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4992 storage for the Haifa scheduler.
4993 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4995 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4996 are defined, call analyze_loop_iterations and insert_bct to use
4998 (record_giv): Refine test for jumps out of loops if HAIFA is
5000 (analyze_loop_iterations): New function to identify if we can use
5002 (insert_bct): Insert countdown loop.
5003 (instrument_loop_bct): Low level code to insert countdown loop.
5004 (loop_number): Calculate UID of loop.
5005 (indirect_jump_in_function_p): Return true if an indirect jump is
5007 (is_power_of_2): Return true if value is a power of 2.
5008 (is_conditional_branch): Return true if insn is a conditional
5010 (fix_bct_param): Process -fbct-{min,max}-N switches.
5011 (check_bct_param): Return true if loop should be instrumented.
5012 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5013 (loop_optimize): Initialize.
5014 (get_condition_for_loop): Ditto.
5015 * loop.c (strength_reduce): Inside of code that uses #ifdef
5016 HAVE_decrement_and_branch_on_count code, test it to make sure the
5018 (instrument_loop_bct): Ditto.
5019 * haifa-sched.c: New file.
5022 * Integrate regmove pass.
5023 * Makefile.in (OBJS): Add regmove.o
5024 (regmove.o): Add dependencies.
5025 * flow.c (find_use_as_address): No longer static.
5026 * rtl.h (find_use_as_address): Declare.
5027 * toplev.c (regmove_dump, flag_regmove): Define.
5028 (f_options): Add -fregmove.
5029 (regmove_dump_file, regmove_time): Define.
5030 (fatal_insn): Close the regmove dump file.
5031 (compile_file): Initialize regmove_time; open/close the regmove dump
5032 file as needed. Print regmove time as needed.
5033 (rest_of_compilation): Run regmove pass if requested, dump
5034 RTL after regmove if requested.
5035 (main): If -O2 or more, turn on regmove. Handle dump switches.
5036 * regmove.c: New file.
5038 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5040 * Integrate tlink patch from jason@cygnus.com
5041 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5042 (process_command): Increment n_switches for them. Don't discard
5043 their args. Validate them.
5044 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5046 (process_command): Set include_prefixes from COMPILER_PATH.
5047 (main): Set COLLECT_GCC_OPTIONS sooner.
5048 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5049 * tlink.c, hash.c, hash.h: New files.
5050 * Makefile.in (USE_COLLECT2): Always use collect2.
5051 (collect2): Depend on and link in hash.o and tlink.o.
5052 (tlink.o, hash.o): Add dependencies.
5054 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5056 * Integrate alias analysis changes from jfc@mit.edu
5057 * Makefile.in (OBJS): Add alias.o
5058 (alias.o): Add dependencies.
5059 * alias.c: New file.
5060 * sched.c: Remove alias analysis code. It lives in alias.c now.
5061 (sched_analyze_2): Add new arguments to true_dependence.
5062 (schedule_insns): Always call init_alias_analysis.
5063 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5064 mark return value from such functions as a pointer and keep track of
5065 them for alias analysis. If a return value from a function is a
5066 pointer, mark it as such.
5067 * combine.c (distribute_notes): Handle REG_NOALIAS.
5068 * cse.c (struct write_data): Delete. No longer needed.
5069 (invalidate): Don't call set_nonvarying_address_components anymore.
5070 Use true_dependence to decide if an entry should be removed from
5072 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5074 (note_mem_written): Similarly for WRITE_PTR argument.
5075 (invalidate_from_clobbers): Similarly for W argument.
5076 (invalidate_for_call): Remove memory elements from the hash table.
5077 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5078 (cse_rtx_varies_p): New function. Derived from old
5079 cse_rtx_addr_varies_p.
5080 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5081 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5082 pointer if PUSH_ROUNDING is defined. No longer need to call
5083 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5084 (skipped_writes_memory): Remove variable.
5085 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5086 (invalidate_skipped_block): Simplify for new alias analysis code.
5087 (cse_set_around_loop): Likewise.
5088 (cse_main): Call init_alias_analysis.
5089 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5090 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5091 (f_options): Add new alias checking arguments.
5092 (main): Set flag_alias_check when optimizing.
5093 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5095 (memref_referenced_p): Likewise.
5096 * loop.c (NUM_STORES): Increase to 30.
5097 (prescan_loop): Only non-constant calls set unknown_address_altered.
5098 (invariant_p): Add new arguments to true_dependence.
5099 (record_giv): Initialize unrolled and shared fields.
5100 (emit_iv_add_mult): Call record_base_value as needed.
5101 * loop.h (struct induction): Add unrolled and shared fields.
5102 * unroll.c (unroll_loop): Call record_base_value as needed.
5103 (copy_loop_body): Likewise.
5104 (final_biv_value): Likewise.
5105 (final_giv_value): Likewise.
5106 (find_splittable_regs): Likewise. Only create one new pseudo
5107 if we have multiple address GIVs that were combined with the same
5108 dst_reg GIV. Note when a new register is created due to unrolling.
5109 * rtl.c (reg_note_name): Add REG_NOALIAS.
5110 * rtl.h (enum reg_note): Similarly.
5111 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5112 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5113 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5114 (true_dependence, read_dependence, anti_dependence): Likewise.
5115 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5116 (mark_user_reg, mark_reg_pointer): Likewise.
5119 * Integrate reload bugfix from Wilon which enables the PA port
5121 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5122 OPERAND_ADDRESS when computing how many registers an insn needs.
5123 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5125 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5127 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5128 in reload_reg_use_in_op_addr do not reach the end.
5129 do not reach the end.
5130 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5131 RELOAD_FOR_OPERAND_ADDRESS.
5133 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5135 * egcs project officially starts.