1 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
3 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
5 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
8 functions for whether they support the %p format specifier.
9 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
10 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
11 * configure, config.in: Rebuild.
13 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
15 * function.c (assign_parms): New variable named_arg, with value
16 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
18 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
20 * mips/t-r3900: New - same as t-ecoff but eliminate
21 multilibs: mips1 and mips3.
22 * configure.in (tx39*): Use new mips/t-r3900.
24 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
26 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
28 * dwarf2out.c: Add old_args_size.
29 (dwarf2out_args_size): Use it.
30 (dwarf2out_begin_prologue): Initialize it.
31 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
32 pushed args until we see a call.
33 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
34 before outputting them.
36 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
38 * cplus-dem.c (demangle_template_template_parm): New function.
39 (demangle_template): Handle template template parameters.
41 1998-02-02 Mark Mitchell <mmitchell@usa.net>
43 * calls.c (expand_call): Don't confuse member functions named
44 realloc, setjmp, and so forth with the standard library
45 functions of the same names.
47 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
49 * stmt.c (expand_asm_operands): Correctly identify asm statements
52 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
54 * c-common.c (decl_attributes): Flag unrecognized attribute
55 functions as warnings instead of as errors.
57 1998-02-05 Marc Lehmann <pcg@goof.com>
59 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
60 when -Os is specified.
61 * toplev.c (main): Don't disable flag_inline_functions anymore when
64 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
67 * flags.h (flag_regmove): Declare.
68 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
69 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
70 Moved into regmove; changed caller.
71 * toplev.c (rest_of_compilation): Call regmove_optimize also for
72 expensive_optimizations.
74 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
76 * version.c: Bump for snapshot.
78 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
79 Undo this change (the problem was actually in reload):
80 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
82 * sh.md (movqi_i+1): New peephole.
84 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
86 * jump.c (jump_optimize): Lose calls to modified_in_p they are
87 not needed anymore due to changes elsewhere in jump.c.
89 * jump.c (jump_optimize): Fix first arg to modified_in_p in
92 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
94 * expr.c (expand_builtin_setjmp): Accept two new arguments for
95 the labels to branch to on first and subsequent executions. Don't
96 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
97 and provide it with the jmp_buf. Use only one of
98 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
99 and provide the former with the target label.
100 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
101 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
102 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
103 insn to replace all of the normal nonlocal_goto code. Don't play
104 with __dummy. Correct arguments to nonlocal_goto.
105 * expr.h (expand_builtin_setjmp): Update prototype.
106 * except.c (start_dynamic_handler): When using builtin_setjmp,
107 generate more accurate flow information.
109 * alpha.md (nonlocal_goto_receiver_osf): Delete.
110 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
111 (builtin_longjmp, builtin_setjmp_receiver): New.
112 * sparc.md (update_return): Disambiguate unspec number.
113 (nonlocal_goto): Rearrange arguments to match caller in except.c.
114 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
116 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
117 (builtin_setjmp_setup*, builtin_longjmp): New.
119 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
121 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
123 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
125 * vmsconfig.com: Remove bytecode references.
127 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
129 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
130 -fno-sjlj-exceptions works for a target that defines
131 DWARF2_UNWIND_INFO as zero.
133 * regmove.c (fixup_match_1): Undo last change which removed some
134 "useless" code, and add a comment explaining this.
136 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
138 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
141 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
143 * makefile.vms: Remove bytecode references.
146 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
148 * jump.c (jump_optimize): Allow conditional loading of floating point
149 constants and constants from memory. Reinstalled modified_in_p tests.
151 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
153 * loop.c (get_condition): Handle sign-extended constants.
155 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
157 * expr.c (emit_push_insn): Add code to use movstrti if present.
159 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
160 and movstrqi as in emit_block_move ().
162 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
164 * config/m68k/x-next: Remove /NextDeveloper/Headers from
165 the directories to fixinclude - /usr/include is a link
166 to it and hence its contents are fixed by default.
168 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
170 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
172 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
174 * cccp.c (main): Predefine __VMS_VER on VMS.
176 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
178 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
179 * fold-const.c (size_int): Replace with
181 (make_bit_field_ref): Use bitsize_int for bit position.
182 * stor-layout.c (sizetype): Delete.
183 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
184 (layout_record, layout_union, layout_type):
185 Use bitsize_int for bit size.
186 (set_sizetype): New function.
187 (make_signed_type, make_unsigned_type): Use it.
188 * c-decl.c (init_decl_processing): Likewise.
189 * tree.h (size_int): Don't delcare, #define.
190 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
191 (set_sizetype): Declare.
192 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
194 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
195 Convert result to sizetype.
196 (really_start_incremental_init, push_init_level):
197 Set type of constructor_bit_index to sbitsizetype.
198 (push_init_level): Use unsigned arithmetic to determine padding.
199 (output_init_element): Likewise.
201 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
203 * combine.c (simplify_shift_const): Fix typo in last change.
205 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
207 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
208 is (truncate (lshiftrt)).
210 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
212 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
213 Make sure result winds up in TGT.
214 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
215 src to be other than DImode.
216 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
217 (alpha_expand_unaligned_store_words): Likewise.
218 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
219 that source and destination are separately optimized for alignment.
220 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
222 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
224 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
225 with handling of -32768.
227 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
229 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
230 shell variable argument instead of only hard coded functions.
231 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
233 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
234 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
235 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
236 declarations for bcopy, bcmp and bzero.
238 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
240 * gansidecl.h: If we have bcopy but don't declare it, then do so.
241 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
242 bzero, index and rindex if they aren't already present.
244 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
246 * toplev.c (close_dump_file): Wrap function prototype for
247 argument "func" in PROTO.
248 (dump_rtl): Likewise.
250 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
252 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
254 (output_function_epilogue): Omit epilogue if nothing drops through.
255 (output_move_double): Supress int ldd usage on ultrasparc and v9.
256 (registers_ok_for_ldd_peep): Likewise.
257 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
258 (ultrasparc_adjust_cost): New function.
259 (sparc_issue_rate): New function.
260 * sparc.h (MASK_VIS, TARGET_VIS): New
261 (MASK_V8PLUS, TARGET_V8PLUS): New.
262 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
263 (TARGET_SWITCHES): Add vis and v8plus.
264 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
265 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
266 (RTX_COSTS): Use TARGET_HARD_MUL
267 (ADJUST_COST): Call ultrasparc_adjust_cost.
269 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
270 of load & fp appropritely.
271 (supersparc function units): Adjust for Haifa.
272 (ultrasparc function units): Likewise.
273 (get_pc_via_rdpc): All v9, not just arch64.
274 (movdi_v8plus, movdi_v8plus+1): New.
275 (adddi3_sp32+1): New.
276 (subdi3_sp32+1): New.
277 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
278 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
279 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
280 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
281 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
282 (ldd peepholes): Suppress for v9.
283 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
284 (return_subsi): Revmove.
286 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
288 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
289 save/restore MEM rtl.
291 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
293 * configure.in: Check for declaration of abort.
294 * acconfig.h: Corresponding changes.
295 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
298 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
300 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
303 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
305 * version.c: Bump for snapshot.
307 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
309 * configure.in: Check for atoq and atoll.
310 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
311 proper routine for converting ascii into long long values.
313 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
315 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
317 * vmsconfig.com: Remove bytecode references.
319 * alpha/vms.h (PREFIX): Define.
321 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
323 * am-alpha.h: Don't include alloca for OPEN_VMS.
325 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
327 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
328 (GCC_INCLUDE_DIR): Define
330 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
331 * makefile.vms: New file.
333 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
335 * alpha.c (output_prolog): Output '.name' directive
336 for minimal traceback information.
338 * alpha.c (output_prolog): Don't prepend entry point symbols
339 with '$' on OPEN_VMS.
341 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
342 Jeffrey A Law (law@cygnus.com)
344 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
347 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
349 * genemit.c (gen_exp): Likewise.
350 * genpeep.c (match_rtx): Likewise.
351 * genrecog.c (write_tree_1): Likewise.
353 * c-lex.c (yyprint): Use proper format string based upon
354 disposition of HOST_BITS_PER_WIDE_INT.
355 (yylex): Put casts in right place for args to build_int_2.
357 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
359 * combine.c: Fix typos in Jan27 changes.
361 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
363 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
364 (LINK_SPEC): Likewise.
365 (STARTFILE_SPEC): Likewise.
367 1998-01-28 Mike Stump <mrs@wrs.com>
369 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
371 * genattrtab.c (reload_completed): Define.
373 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
376 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
378 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
379 SUBREG_REG if the word count is unchanged, also in the input reload
380 case. Disable non-applicable sanity checks.
382 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
384 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
386 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
388 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
390 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
392 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
393 is a TREE_VEC before trying to use it for baseclasses.
394 (Chill uses the same field for a different purpose.)
396 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
398 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
400 * config.sub: More accurate determination of HP processor types.
402 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
404 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
405 prototype for `handle_sysv_pragma', and make it static. Add
406 parentheses around assignment used as truth value.
408 * combine.c (combine_instructions): Protect variable `prev' with
410 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
411 (extract_left_shift): Add parentheses around operand of &.
412 (merge_outer_ops): Avoid an empty body in an else-statement.
413 (gen_rtx_combine): Remove unused variable `i'.
415 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
416 function monstartup `void'. Likewise for internal_mcount. Add
417 `static void' prototype for moncontrol. Reconcile sprintf format
420 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
421 Make return type of function_arg_slotno explicitly `int'.
422 (reg_unused_after): Add parentheses around assignment used as
424 (save_regs): Add explicit braces to avoid ambiguous `else'.
425 (function_arg_slotno): Add parentheses around && within ||.
426 (function_arg_pass_by_reference): Likewise.
427 (sparc_flat_output_function_prologue): Reconcile fprintf format
430 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
431 assignment used as truth value.
433 * cplus-dem.c: Include <stdlib.h>.
434 (demangle_signature): Avoid an empty body in an else-statement.
435 (do_type): Remove unused variable `lvl'.
437 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
438 Include <string.h>/<strings.h>.
439 (cpp_lex): Remove unused variable `namelen'.
440 (cpp_lex): Explicitly declare `num_chars' as an int.
442 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
443 <unistd.h> instead. Explicitly declare is_system_include
445 (make_assertion): Remove unused variable `kt'.
446 (cpp_expand_to_buffer): Hide variable `obuf'.
447 (output_line_command): Remove unused variables, `line_end',
448 `line_cmd_buf' and `len'.
449 (macarg): Remove unused variable `arg_start'.
450 (special_symbol): Remove unused variable `i'. Add parentheses
451 around assignment used as truth value.
452 (do_include): Remove unused variables `pcfname' and `retried',
453 hide `pcf' and `pcfbuflimit'.
454 (do_line): Remove unused variable `i'.
455 (finclude): Hide variable `missing_newline'.
456 (cpp_handle_options): Remove unused variable `j'.
457 (read_token_list): Remove unused variable `eofp'.
458 (cpp_error_with_line): Remove unused variable `i'.
459 (cpp_warning_with_line): Likewise.
460 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
461 (cpp_error_from_errno): Remove unused variable `i'.
463 * cse.c (invalidate): Add parentheses around assignment used as
465 (find_best_addr): Move declaration of variable `our_cost' inside
466 the conditional macro where its used.
467 (fold_rtx): Avoid an empty body in an if-statement.
468 (cse_insn): Wrap variables `this_insn_cc0_mode' and
469 `this_insn_cc0' in macro HAVE_cc0.
471 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
472 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
473 (output_uleb128): Likewise.
474 (output_sleb128): Likewise.
475 (output_cfi): Likewise.
476 (output_call_frame_info): Remove unused variables `j', `fde_size'
478 (comp_unit_has_inlines): Hide declaration as per rest of file.
479 (size_of_line_prolog): Correct typo in prototype.
480 (add_arange): Likewise.
481 (output_aranges): Likewise.
482 (add_name_and_src_coords_attributes): Likewise.
483 (gen_array_type_die): Likewise.
484 (gen_inlined_subroutine_die): Likewise.
485 (equate_decl_number_to_die): Remove unused variable `i'.
486 (print_die): Reconcile format vs. args in fprintf's.
487 (print_dwarf_line_table): Likewise.
488 (output_die): Likewise.
489 (output_line_info): Likewise.
490 (add_subscript_info): Avoid an empty body in an else-statement.
491 (gen_subprogram_die): Remove unused variable `fp_loc'.
493 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
494 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
495 macro. Protect `src_coords_attribute' prototype with
496 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
497 prototype as in the rest of the file. Likewise for
498 `output_pointer_type_die' and `output_reference_type_die'. Remove
499 prototype for `type_of_for_scope'.
500 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
501 (type_attribute): Add explicit braces to avoid ambiguous `else'.
503 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
504 (shorten_branches): Protect declaration of tmp_length with
505 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
506 (profile_function): Protect declaration of `sval' and `cxt'
507 variables with appropriate macros.
508 (final_scan_insn): Likewise for `note' variable. Add explicit
509 braces to avoid empty body in an if-statement.
510 (output_asm_insn): Move variable `i' inside macro conditional
511 where it is used. Add parentheses around assignment used as truth
513 (asm_fprintf) Likewise, likewise.
515 * fix-header.c (main): Remove unused variable `done'. Protect
516 declaration of `i' with FIXPROTO_IGNORE_LIST.
518 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
520 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
523 * profile.c: Include <string.h>/<strings.h>.
524 (instrument_arcs): Remove unused variables `note', `inverted',
525 `zero' and `neg_one'.
526 (branch_prob): Avoid empty body in an if-statement.
528 * regclass.c: Include <stdlib.h>.
529 (reg_alternate_class): Explicitly declare parameter `regno'.
531 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
532 parentheses around assignment used as truth value.
533 (find_matches): Remove unused variables `output_operand' and
535 (fixup_match_1): Remove statement with no effect: "if (0) ;".
537 * scan.c (sstring_append): Explicitly declare `count' as int.
538 (scan_string): Explicitly declare parameter `init' as int.
540 * sched.c: Include <stdlib.h>.
541 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
542 (rank_for_schedule): Add parentheses around assignment used as
544 (schedule_block): Likewise.
545 (regno_use_in): Likewise.
546 (schedule_insns): Remove unused variable `i'.
548 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
549 (v_message_with_decl): Remove unused variable `n'.
550 (botch): Explicitly declare parameter `s' as char *.
551 (main): Add parentheses around assignment used as truth value.
553 * tree.c (make_node): Protect the variable `kind' with the
554 GATHER_STATISTICS macro.
555 (real_value_from_int_cst): Move variable `e' inside conditional
556 macro area where it is used.
557 (tree_last): Add parentheses around assignment used as truth value.
558 (build1): Protect the variable `kind' with the GATHER_STATISTICS
560 (print_obstack_statistics): Reconcile format vs. args in fprintf.
561 Protect variables `i', `total_nodes', and `total_bytes' with the
562 GATHER_STATISTICS macro.
564 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
566 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
567 some comments regarding use of dead_or_set_p.
569 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
571 * fixincludes: Tweak fix for struct exception in math.h
573 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
575 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
576 Change mode of registers used to add/sub from
577 hard_frame_pointer_rtx from word_mode to Pmode.
579 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
581 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
582 asm_output_aligned_bss() instead of asm_output_bss().
584 * toplev.c (rest_of_compilation): Replace references to
585 stack_reg_dump_file and dbr_sched_dump_file with references to
588 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
590 * tlink.c (scan_linker_output): Call fclose() for opened files.
592 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
594 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
595 compiling with -fpic -- we want to be able to override symbols
597 (alpha_expand_block_move): Fix thinko in last change.
599 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
600 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
601 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
603 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
605 * alpha.md (abssf, absdf): Revert last change.
607 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
609 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
610 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
612 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
614 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
615 a CONST_INT into SFmode.
617 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
619 * flags.h: New flag (optimize_size).
620 * toplev.c (main): Parse -Os option and set optimize_space
622 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
623 __OPTIMIZE_SIZE__ when compiling with -Os.
624 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
625 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
626 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
628 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
630 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
632 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
633 stuff only if MCT_TEXT is #define'd.
635 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
637 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
640 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
642 * toplev.c: Add -dM command line option to dump RTL after the
643 machine dependent reorganisation pass, if there is one.
644 Reorganise RTL dump code, so that only one file handle is
647 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
649 * except.c (check_exception_handler_labels): Disable warning when
652 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
654 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
656 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
658 * c-decl.c (grokdeclarator): Get parameter tags from
659 last_function_parm_tags.
660 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
661 traversing the parameter types.
662 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
664 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
666 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
668 (get_shift_alg): Fix typo.
670 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
672 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
674 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
676 * toplev.c (get_run_time): Make sure each case gets its variables.
678 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
680 * configure.in (build_xm_file): Add auto-config.h if host=build.
681 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
682 (build_xm_file_list): Likewise.
683 * configure: Rebuild.
685 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
687 * recog.c (validate_replace_rtx_1): Only perform substitutions
688 of arguments to commutative and comparison operators once.
690 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
692 * sparc.c (output_cbranch): Add default case in
695 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
696 (emit_delay_sequence): Eliminate unused parameter, all callers
698 (fill_simple_delay_slots): Likewise.
699 (fill_slots_from_thread): Likewise.
700 (fill_eager_delay_slots): Likewise.
701 (mark_referenced_resources): Add default case in enumeration switch.
702 (mark_set_resources): Likewise.
703 (rare_destination): Likewise.
704 (mostly_true_jump): Likewise.
705 (find_dead_or_set_registers): Likewise.
706 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
707 (update_reg_unused_notes): Remove unused variable `p'.
708 (mark_target_live_regs): Remove unused variables `next' and
710 (fill_simple_delay_slots): Remove unused variable `j'.
711 (fill_slots_from_thread): Add parentheses around assignment used
713 (dbr_schedule): Likewise.
715 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
716 (objc.stage2, objc.stage3, objc.stage4): Likewise.
718 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
720 * cse.c (simplify_ternary_operation): Don't try to simplify
721 IF_THEN_ELSE expressions (created by combine) that don't use
722 relational operators.
724 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
726 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
729 * crtstuff.c (init_dummy): Keep the epilogue in the init
730 section for non-ELF systems.
732 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
734 * sh.md (movqi_i+1): New peephole.
736 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
738 * Makefile.in: Remove remaining bytecode stuff.
739 * emit-rtl.c, expr.c: Likewise.
741 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
743 * toplev.c (lang_options): Add unknown-pragma options.
745 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
747 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
748 special (and incomplete) handling for Chill arrays.
750 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
752 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
755 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
757 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
759 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
761 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
762 .frame directive instead of FRAME_POINTER_REGNUM.
764 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
766 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
767 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
768 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
769 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
770 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
771 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
772 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
773 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
775 * longlong.h: Replace __mc68332__ with __mcpu32__.
777 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
779 * version.c: Bump for snapshot.
781 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
783 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
784 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
785 * reload1.c (eliminate_regs): Likewise.
787 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
789 * regmove.c (find_matches): Initialize matches->earlyclobber too.
791 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
793 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
794 (negsf2, negdf2): Use proper subtract in IEEE mode.
796 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
798 * Makefile.in: Remove more bytecode stuff.
799 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
800 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
801 * f/install.texi, objc/Make-lang.in: Likewise.
803 * Makefile.in: Remove all bytecode support.
804 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
805 * emit-rtl.c: Remove all bytecode support.
806 * expr.c, expr.h function.c, integrate.c: Likewise.
807 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
808 * tree.h, varasm.c: Likewise.
809 * config/m68k/m68k.h: Likewise.
810 * bi-*, bc-*, bytecode*: Delete bytecode related files.
811 * modemap.def: Likewise.
813 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
815 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
816 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
818 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
820 * i386.md (push): Prohibit symbolic constants if flag_pic.
821 (movsi+1): Likewise for move to non-register.
823 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
825 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
826 (print_operand): Handle 0xffffffff on 32 bit host.
828 * configure.in (thread_file): Rename uses before main loop to
829 target_thread_file. Initialize to empty in main loop. Set thread_file
830 to target_thread_file after main loop if not set.
831 * configure: Rebuild.
833 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
834 (add_values_to_cover): Revert last change (which had no ChangeLog
836 (simplify_with_current_value_aux): Handle CONST_INT.
838 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
840 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
842 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
844 * configure.in: Add cpp stringify test.
845 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
846 * gengenrtl.c: Use it.
847 * configure, config.in: Rebuild.
849 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
851 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
853 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
855 * configure.in: Find declaration for sbrk.
856 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
857 * config.in, configure: Rebuild.
858 * mips-tfile.c: Properly protect declaration of sbrk and free.
859 * toplev.c: Properly protect declaration of sbrk.
861 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
863 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
865 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
867 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
869 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
871 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
873 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
875 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
876 constant offset computations from objects with known alignment in
877 the presence of STACK_BIAS.
879 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
881 (const_hash): Hash val is unsigned long.
884 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
886 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
887 char pointer, not HOST_WIDE_INT.
888 (print_node): Likewise. Also hash is unsigned long not
891 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
893 * explow.c (optimize_save_area_alloca): New function for targets
894 where SETJMP_VIA_SAVE_AREA is true.
895 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
896 compute the amount of stack space needed should we find later that
897 setjmp is never called by this function, stuff rtl for this inside
898 a REG_NOTE of the final SET of stack_pointer_rtx.
899 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
900 current_function_calls_alloca, call optimize_save_area_alloca.
902 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
904 * i386.md: Remove redundant integer push patterns.
905 Don't bother checking for TARGET_PUSH_MEMORY when
906 pushing constants or registers.
908 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
909 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
911 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
912 (pwait): New function for mingw32.
914 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
915 pipe support is broken for now.
917 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
919 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
920 between frame_pointer_rtx, hard_frame_pointer_rtx, and
921 arg_pointer_rtx is respected in initialization.
922 (init_emit_once): Use gen_rtx_raw_REG() to create
923 return_address_pointer_rtx.
925 * reorg.c: #include "expr.h" for rtx prototypes.
926 * Makefile.in (reorg.o): Depend on expr.h
928 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
930 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
931 local_prefix to sub-make invocations.
933 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
935 * objc-parse.c: Recognize protocol qualifiers in class definitions.
937 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
941 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
942 * configure.in: Check for atol.
943 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
945 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
947 * loop.c (find_and_verify_loops): When attempting to move insns from
948 inside the loop outside the loop, create a BARRIER if no suitable
951 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
952 favor of an equivalent change from gcc-2.8.
954 * i386/x-sco5 (CC): Remove trailing whitespace.
956 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
958 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
959 (accessor_from_format): Likewise.
960 (xmalloc): New function for use when linking with alloca.o.
962 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
964 * frame.c (find_fde): Correct FDE's upper bound.
966 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
968 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
970 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
972 * calls.c (expand_call): Move #ifdef code out of macro argument
974 (emit_library_call, emit_library_call_value): Likewise.
976 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
978 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
980 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
982 * version.c: Bump for snapshot.
984 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
986 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
987 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
988 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
989 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
990 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
991 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
992 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
993 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
994 * unroll.c, varasm.c: Likewise.
995 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
997 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
999 * mips.h: Fix some type-o's from a previous change.
1001 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1003 * loop.c (check_dbra_loop): Make sure initial value is a
1004 CONST_INT before trying to normalize it.
1006 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1008 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1010 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1012 * cppexp.c: Include gansidecl.h
1014 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1016 * svr4.h (LINK_SPEC): Never specify -h.
1017 * ptx4.h (LINK_SPEC): Likewise.
1018 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1019 * sparc/sol2.h (LINK_SPEC): Likewise.
1021 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1023 * c-typeck.c (comptypes): Exit early on NULL input.
1025 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1026 dependencies after reload.
1028 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1030 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1032 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1034 * alpha/vms.h (DIR_SEPARATOR): define
1036 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1038 * Makefile.in (stamp-proto): Remove.
1039 (protoize.o, unprotoize.o): Straightforward compile.
1040 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1042 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1044 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1045 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1047 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1049 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1050 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1051 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1053 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1055 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1057 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1059 * configure.in (target_cpu_default, target_cpu_default2): Use double
1060 quotes around them when testing their value.
1061 * configure: Rebuilt.
1063 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1065 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1067 (gendef): Call obstack_alloc_rtx.
1069 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1071 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1074 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1076 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1077 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1078 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1080 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1082 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1084 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1086 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1089 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1091 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1092 suffix from operand 3.
1094 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1095 Jeffrey A Law (law@cygnus.com)
1097 * regmove.c: New implementation of regmove pass.
1098 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1099 decls, make them have external linkage. Return a value from
1100 optimize_reg_copy_1.
1101 * reload.h (count_occurrences): Add decl.
1102 * reload1.c (count_occurrences): Delete decl, make it have external
1104 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1106 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1108 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1109 if it is not defined.
1111 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1113 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1114 * emit-rtl.c (gen_rtx): Move special code to ...
1115 (gen_rtx_CONST_INT): New function.
1116 (gen_rtx_REG): New function.
1117 (*): Update all calls to gen_rtx.
1118 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1119 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1120 (GEN_INT): Call gen_rtx_CONST_INT.
1121 * gengenrtl.c: New file.
1123 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1125 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1126 (base_alias_check): If no base found for address call canon_rtx and
1129 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1131 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1132 arguments for mips16.
1133 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1134 Don't lose if tsize is zero after handling large stack for mips16.
1135 * mips.md (return): For trivial return, return address is in $31.
1137 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1139 * mips/mips16.S: Various changes to make it work with -msingle-float
1142 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1143 Ian Lance Taylor <ian@cygnus.com>
1144 Jeff Law <law@cygnus.com>
1146 * mips.c, mips.h, mips.md: First cut at merging in mips16
1147 support. Major modifications throughout all three files.
1149 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1151 * configure.in: Make gthr-default.h a forwarding header instead of
1154 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1158 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1160 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1161 Jeffrey A Law (law@cygnus.com)
1163 * crtstuff.c (__frame_dummy): New function for irix6.
1164 (__do_global_ctors): Call __frame_dummy for irix6.
1165 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1167 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1169 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1171 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1173 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1174 for __builtin_memset.
1175 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1176 not INTEGER_CST. Assert arg 3 is a constant.
1178 * alpha.c (mode_width_operand): Accept 64-bit modes.
1179 (mode_mask_operand): Likewise.
1180 (print_operand): Likewise for 'M' and 'U' codes.
1181 (alpha_expand_unaligned_load): New function.
1182 (alpha_expand_unaligned_store): Likewise.
1183 (alpha_expand_unaligned_load_words): Likewise.
1184 (alpha_expand_unaligned_store_words): Likewise.
1185 (alpha_expand_block_move): Likewise.
1186 (alpha_expand_block_clear): Likewise.
1187 * alpha.h (MOVE_RATIO): New define.
1188 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1189 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1191 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1192 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1194 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1196 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1197 * configure: Update.
1199 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1201 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1202 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1204 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1207 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1209 * configure.in: Set and subsitute host_exeext. Use it when creating
1210 the assembler and linker symlinks.
1211 * configure: Rebuild.
1212 * Makefile.in (exeext): Set to @host_exeext@.
1213 (build_exeext): New variable, set to @build_exeext@.
1214 (FLAGS_TO_PASS): Pass down build_exeext.
1215 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1218 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1220 * mn10200.md (addsi3, subsi3): Fix thinkos.
1222 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1224 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1225 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1226 unix always, since we want to be able to thunk to functions in a
1227 shared library from an application.
1229 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1231 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1232 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1234 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1236 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1237 offset's mode is not ptr_mode, convert it.
1239 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1241 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1242 compiling if it was already defined.
1244 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1246 * flow.c (find_basic_blocks): Don't create a new basic block
1247 for calls in a LIBCALL block.
1249 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1251 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1253 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1255 * cse.c (rtx_cost): Remove conflicting default case.
1257 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1259 * configure.in: Move default enabling of Haifa out of for loop.
1260 * configure: Rebuild.
1262 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1264 * version.c: Bump for snapshot.
1266 1997-12-25 Teemu Torma <tot@trema.com>
1268 * Makefile.in (GTHREAD_FLAGS): New var.
1269 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1270 (distclean): Remove gthr-default.h.
1272 * configure.in: Accept dce as a thread package.
1273 Check for thread.h and pthread.h.
1274 Link gthr-default.h to appropriate thread file and set
1276 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1277 include multilib definitions from pa/t-dce-thr.
1278 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1279 pthread.h is found, preferring posix threads over solaris ones.
1281 * config/pa/t-dce-thr: New file.
1282 * config/pa/t-pa: Removed multilibs.
1283 * config/sparc/t-sol2: Ditto.
1286 * gthr-single.h: New file.
1287 * gthr-posix.h: New file.
1288 * gthr-solaris.h: New file.
1289 * gthr-dce.h: New file.
1290 * libgcc-thr.h: Removed.
1291 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1293 * frame.c: Include gthr.h instead of libgcc-thr.h.
1294 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1295 (eh_context_initialize): If __gthread_once fails, use static eh
1297 (eh_context_free): Call __gthread_key_dtor.
1299 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1301 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1303 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1305 * cse.c (max_insn_uid): New variable.
1306 (cse_around_loop): Use max_insn_uid.
1307 (cse_main): Set max_insn_uid.
1309 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1310 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1311 -mlong64, and -mgp{32,64} options.
1312 * mips.c (mips_abi): Change type to int.
1313 * mips.h (enum mips_abi_type): Delete.
1314 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1315 (mips_abi): Change type to int.
1317 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1319 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1320 optimization is now always enabled.
1322 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1325 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1327 (*_dependence): Call canon_rtx before base_alias_check.
1328 (init_alias_once): New function to precompute set of registers which
1329 can hold Pmode function arguments.
1331 * rtl.h: Declare init_alias_once.
1333 * toplev.c (compile_file): Call init_alias_once.
1335 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1337 * tree.c (restore_tree_status): Do not dereference a null pointer.
1339 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1341 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1342 RLIMIT_STACK. This maintains consistency with the recent, similar
1343 patch to cccp.c and toplev.c.
1345 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1347 * genattrtab.c (expand_units): For large nr opclasses, expand
1348 function_units_used with ORX to prevent blowups. Tag with FFS.
1349 (num_unit_opclasses): New variable.
1350 (gen_unit): Update it.
1351 (enum operator): Add ORX_OP.
1352 (operate_exp): Treat ORX as or, except don't expand across an if.
1353 Reuse number rtx's after operating on them.
1354 (check_attr_value): Accept IOR, AND, & FFS.
1355 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1356 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1357 (write_expr_attr_cache, write_toplevel_expr): New functions.
1358 (write_attr_get): Handle FFS-tagged expressions.
1359 (make_canonical): Don't expand const attributes.
1360 (convert_const_symbol_ref): Dike out.
1361 (evaluate_eq_attr): Handle SYMBOL_REF.
1362 (main): Don't emit get_attr_foo for const attributes.
1364 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1365 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1366 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1367 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1368 combining function units where possible.
1369 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1370 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1371 (attr "opsize"): New attribute.
1372 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1373 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1374 to control register allocation.
1375 (movsi2-1, movdi2-1): Likewise.
1377 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1379 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1380 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1381 Move OSF/1 specific defines out.
1382 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1383 Move Linux specific defines out.
1384 (LINK_SPEC): Genericize.
1385 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1386 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1387 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1388 (HANDLE_SYSV_PRAGMA): Define.
1389 * alpha/osf.h: New file.
1390 * alpha/linux.h: Split. Retain file-format independant defines.
1391 Import Linux bits from elf.h.
1392 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1393 (FUNCTION_PROFILER): _mcount takes its address in $28.
1394 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1395 * alpha/linux-ecoff.h: New file.
1396 * alpha/linux-elf.h: New file.
1397 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1398 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1399 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1400 Add new headers as appropriate.
1402 * configure.in (alpha*): Enable Haifa by default.
1403 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1404 * configure: Rebuild.
1406 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1408 * Makefile.in (clean): Remove the stages with their objects here ...
1409 (distclean): ... instead of here.
1411 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1413 * cse.c (rtx_cost): Add default case in enumeration switch.
1414 * fix-header.c (recognized_macro): Likewise.
1415 (recognized_extern): Likewise.
1416 (write_rbrac): Likewise.
1417 * objc/objc-act.c (encode_aggregate): Likewise.
1418 (gen_declarator): Likewise.
1419 (gen_declspecs): Likewise.
1421 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1423 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1424 case where we kill more regs after sched than were killed before
1426 * sched.c (create_reg_dead_note): Similarly.
1428 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1430 * c-pragma.c: Include flags.h.
1432 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1434 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1435 about system headers.
1436 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1437 and also to resolve symbols in prefix.c.
1439 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1440 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1441 when the definitions in auto-config.h is not visible.
1442 (HAVE_BZERO): Likewise.
1443 (HAVE_BCMP): Likewise.
1444 (HAVE_RINDEX): Likewise.
1445 (HAVE_INDEX): Likewise.
1447 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1449 * pa.c (emit_move_sequence): Handle a function label source
1452 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1454 * c-pragma.c (handle_pragma_token): Generate warning messages
1455 about unknown pragmas if warn_unknown_pragmas is set.
1457 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1458 line option to set variable: warn_unknown_pragmas.
1460 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1462 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1464 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1466 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1468 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1469 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1470 generate more fine grained floating point emulation libraries.
1471 * config/fp-bit.c: Add protecting #ifdef to all functions so
1472 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1473 then compile all suitable functions.
1474 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1475 underscores to avoid namespace pollution.
1476 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1478 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1482 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1483 Jeff Law <law@cygnus.com>
1485 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1487 * c-decl.c (finish_decl): Use parentheses around && within ||.
1488 * rtl.c: Include stdlib.h.
1489 (read_skip_spaces): Add parentheses around assignments used as
1491 (read_rtx): Initialize list_rtx.
1492 * cppexp.c (parse_number): Use || when operands are truth values.
1493 * alias.c (find_base_value): Add default case.
1494 (memrefs_conflict): Likewise.
1495 * combine.c (sets_function_arg_p): Likewise.
1496 * genemit.c (gen_exp): Likewise.
1497 * local-alloc.c (contains_replace_regs): Likewise.
1498 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1499 * fold-const.c (fold_convert): Use "&&" for truth values.
1500 (fold): Add default case.
1501 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1502 (sdbout_one_type): Add default case.
1503 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1504 (some_operand): Add default case.
1505 (input_operand): Likewise.
1506 (signed_comparison_operator): Likewise.
1507 (divmod_operator): Likewise.
1508 (alpha_set_memflags_1): Likewise.
1509 * reload1.c (reload_cse_simplify_operands): Ensure function
1510 always returns a value.
1511 * scan-decls.c (scan_decls): Likewise.
1512 * c-lex.c (skip_white_space): Fix typo in declaraion.
1513 * c-typeck.c (comp_target_types): Add parentheses around assignment
1514 used as truth value.
1515 (print_spelling): Likewise.
1516 (constructor_implicit, constructor_result): Remove unused variables.
1517 * collect2.c (scan_library): Protect prototype with
1518 #ifdef SCAN_LIBRARIES.
1519 * emit-rtl.c (find_line_note): Fix typo in declaration.
1520 * final.c (asm_insn_count): Protect prototype with
1521 #ifdef HAVE_ATTR_length.
1522 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1523 (try_pre_increment_1, try_pre_increment): Likewise.
1524 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1525 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1526 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1527 unsigned/signed comparisons.
1528 * gcov.c (read_files): Remove unused "first_type" variable.
1529 (scan _for_source_files): Initialize s_ptr.
1530 (function_summary): Eliminate "%lf" formatting, use %ld for
1532 (output_data): Initialize branch_probs and last_line_num.
1533 Eliminate "%lf" formatting, use "%ld" for longs.
1535 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1537 * mips16.S: New file.
1539 * libgcc2.c (varargs): Handle mips16.
1541 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1543 * stmt.c (expand_end_case): Likewise.
1544 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1545 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1546 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1548 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1550 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1551 the build directory.
1552 (libobjc.a): Update dependency list.
1553 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1555 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1556 (objc.mostlyclean): Remove runtime-info.h.
1558 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1560 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1561 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1562 * dwarf2out.c (add_subscript_info): Likewise.
1563 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1564 * sdbout.c (plain_type_1): Likewise.
1565 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1567 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1570 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572 * mips.c (fatal): Remove declaration.
1574 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1576 * integrate.c (get_label_from_map): New function.
1577 (expand_inline_function): Use it. Initialize the label_map to
1578 NULL_RTX instead of gen_label_rtx.
1579 (copy_rtx_and_substitute): Use get_label_from_map.
1580 * integrate.h (get_label_from_map): New function.
1581 (set_label_from_map): New macro.
1582 * unroll.c (unroll_loop): Use them.
1583 (copy_loop_body): Ditto.
1585 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1587 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1588 (INIT_TARGET_OPTABS): Define.
1589 * mips/ecoff.h: Include gofast.h before mips.h.
1590 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1591 * mips/elf64.h: Likewise.
1592 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1594 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1596 * except.c: Remove register_exception_table{,_p}.
1598 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1600 * unroll.c (calculate_giv_inc): Handle constant increment found in
1601 a MEM with an appropriate REG_EQUAL note.
1603 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1605 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1606 frame pointer in the prologue.
1608 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1610 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1611 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1613 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1615 * config/m68k/m68k.c (output_function_prologue): Typecast
1616 dwarf2out_cfi_label to (char *).
1617 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1619 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1621 * sparc.md (jump): Don't use the annul bit around an empty loop.
1622 Patch from Kevin.Kelly@East.Sun.COM.
1624 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1626 * jump.c: (jump_optimize): Don't use the return register as a
1627 source1 of a conditional move.
1629 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1631 * sparc.c (DF_MODES): Or the mask not the bit number.
1632 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1634 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1636 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1638 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1640 * fixincludes (size_t): Add support for Motorola's stdlib.h
1641 which fails to provide a definition for size_t.
1642 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1643 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1644 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1646 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1647 prevent unresolved externals in libio.
1648 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1650 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1652 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1653 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1654 (LIB_SPEC): Updated for glibc 2.
1656 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1658 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1659 * ginclude/varargs.h: Likewise.
1661 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1663 * version.c: Bump for snapshot.
1665 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1667 * frame.h (__register_frame, __register_frame_table,
1668 __deregister_frame): New.
1669 * frame.c (__register_frame, __register_frame_table,
1670 __deregister_frame): New.
1671 * frame.c (__deregister_frame_info): Return void *.
1672 * frame.h (__deregister_frame_info): Ditto.
1673 * collect2.c (__deregister_frame_info): Ditto.
1675 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1677 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1679 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1681 * alpha.c (alpha_cpu_name): New variable.
1682 (alpha_mlat_string): Likewise.
1683 (alpha_memory_latency): Likewise.
1684 (override_options): Handle -mmemory-latency.
1685 (alpha_adjust_cost): Adjust load cost for latency.
1686 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1687 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1688 TARGET_CIX into account.
1689 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1690 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1692 * alpha.h (ASM_COMMENT_START): New macro.
1694 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1696 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1697 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1699 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1700 SUBREG_REG if the word count is unchanged.
1701 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1702 subregs of identical word size for push_reload.
1704 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1706 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1707 if all we're doing is dealing with -Wreturn-type.
1709 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1711 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1712 Use and 255 instead of zapnot 1, since it schedules better.
1714 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1716 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1719 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1721 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1722 dependency we delete. Properly update prev for multiple consecutive
1724 (priority): Skip deleted dependence.
1726 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1728 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1730 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1732 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1733 determining when a new basic block starts.
1735 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1737 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1738 * pa.md (iorsi3): Add missing args to *_operand calls.
1740 * except.c (call_get_eh_context): Don't mess with sequences.
1741 (emit_eh_context): Include the call in the sequence here.
1743 1997-12-11 Paul Eggert <eggert@twinsun.com>
1745 * collect2.c (write_c_file_glob): Allocate initial frame object
1746 in static storage and pass its address.
1748 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1750 * except.c (call_get_eh_context): Don't take a parm.
1751 Put the call at the top of the function.
1752 (emit_eh_context): Adjust.
1753 (get_eh_context): Replace with former use_eh_context.
1754 (get_eh_context_once, get_saved_pc_ref): Remove.
1755 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1757 * integrate.c (expand_inline_function): Adjust.
1758 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1760 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1762 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1763 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1765 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1767 * fixincludes (strlen,strspn,strcspn return value): Handle different
1769 (hypot): Provide a fake for hypot which is broken on
1770 m88k-motorola-sysv3.
1772 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1774 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1775 tree_code_name from pointers to arrays.
1776 * tree.c: Remove standard_tree_code_* variables, no longer used.
1777 * print-tree.c: Remove declaration of tree_code_name.
1779 * cp/lex.c (init_lex): Update for tree_code_* changes.
1780 * objc/objc-act.c (init_objc): Likewise.
1782 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1785 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1787 * config.sub: Add support for BeOS target.
1788 * configure.in: Likewise.
1789 * ginclude/stdarg.h: Likewise.
1790 * ginclude/stddef.h: Likewise.
1791 * ginclude/varargs.h: Likewise.
1792 * rs6000/beos.h: New file for BeOS.
1793 * rs6000/t-beos: Likewise.
1794 * rs6000/x-beos: Likewise.
1795 * rs6000/xm-beos.h: Likewise.
1796 * toplev.c (get_run_time): Just return 0 on BeOS.
1798 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1799 Toon Moene (toon@moene.indiv.nluug.nl)
1801 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1802 old and broken Sun3 assemblers. Newer versions handle large
1803 offsets correctly as does the GNU assembler.
1805 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1807 * objc/objc-act.c (lang_report_error_function): Disable.
1808 * objc/objc-parse.y: Include "output.h".
1809 (yyerror): Remove redundant decl.
1810 (yyprint): Fix prototype.
1811 (apply_args_register_offset): Remove redundant decl.
1812 (get_file_function_name): Likewise.
1814 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1816 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1818 (find_basic_blocks_1): Likewise.
1820 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1822 * except.c (use_eh_context): Don't copy_rtx a REG.
1823 (emit_throw): Lose old unwinder support.
1824 (expand_internal_throw): Likewise.
1825 * libgcc2.c (struct eh_context): Likewise.
1826 (new_eh_context): Likewise.
1827 (__get_eh_info): Lose redundant cast.
1828 (__get_dynamic_handler_chain): Likewise.
1829 (__get_saved_pc): Lose.
1830 Lose all old unwinder support code.
1832 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1834 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1836 * integrate.c (expand_inline_function): If the inline fn uses eh
1837 context, make sure that the current fn has one.
1838 * toplev.c (rest_of_compilation): Call emit_eh_context.
1839 * except.c (use_eh_context): New fn.
1840 (get_eh_context_once): New fn.
1841 (call_get_eh_context): New fn.
1842 (emit_eh_context): New fn.
1843 (get_eh_context): Call either get_eh_context_once or
1844 call_get_eh_context, depending on what we have.
1845 (get_dynamic_handler_chain): Call get_eh_context_once.
1846 * except.h: Prototypes for fns above.
1847 * optabs.c (get_eh_context_libfunc): Removed.
1848 (init_optabs): Don't initialize it.
1849 * expr.h (get_eh_context_libfunc): Removed.
1850 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1851 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1852 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1853 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1854 New multilib for -threads.
1855 * config/sparc/t-sol2: Added multilibs for -threads and
1856 made -pthreads alias to it.
1857 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1858 Added -threads and -pthreads options.
1859 * libgcc-thr.h: New file.
1860 * libgcc2.c: (__get_cpp_eh_context): Removed.
1861 (struct cpp_eh_context): Removed.
1862 (struct eh_context): Replaced cpp_eh_context with generic language
1864 (__get_eh_info): New function.
1865 (__throw): Check eh_context::info.
1867 * libgcc2.c: Include libgcc-thr.h.
1868 (new_eh_context, __get_eh_context,
1869 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1870 eh_context_specific, eh_context_free): New functions.
1871 (get_eh_context, eh_context_key): New variables.
1872 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1873 get_eh_context to get the context.
1874 (longjmp): Move the declaration inside
1875 #ifdef DONT_USE_BUILTIN_SETJMP.
1876 * frame.c: Include libgcc-thr.h.
1877 (object_mutex): Mutex to protect the object list.
1878 (find_fde, __register_frame, __register_frame_table,
1879 __deregister_frame): Hold the lock while accessing objects.
1880 * except.h (get_eh_context): Declare.
1881 * except.c (current_function_ehc): Define.
1882 (current_function_dhc, current_function_dcc): Removed.
1883 (get_eh_context): New function.
1884 (get_dynamic_handler_chain): Use get_eh_context.
1885 (get_saved_pc_ref): Ditto.
1886 (get_dynamic_cleanup_chain): Removed references to
1887 current_function_dcc.
1888 (save_eh_status, restore_eh_status): Save and restore
1889 current_function_ehc instead.
1890 * optabs.c (get_eh_context_libfunc): New variable.
1891 (init_optabs): Initialize it.
1892 * expr.h: Declare get_eh_context_libfunc.
1893 * function.h (struct function): Replaced dhc and dcc with ehc.
1894 * except.c (get_saved_pc_ref): New functions.
1895 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1896 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1898 (end_eh_unwinder): Likewise.
1899 (init_eh): Remove initialization of eh_saved_pc.
1900 * optabs.c (get_saved_pc_libfunc): New variable.
1901 (init_optabs): Initialize it.
1902 * expr.h: Declare get_saved_pc_libfunc.
1903 * except.h (eh_saved_pc_rtx): Deleted.
1904 (get_saved_pc_ref): Declared.
1906 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1907 * libgcc2.c (__get_saved_pc): New.
1908 (__eh_type, __eh_pc): Deleted.
1909 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1910 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1913 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1915 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1916 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1919 * rtl.h (global_rtl): New variable, replacing separate variables for
1921 (const_int_rtx): Now array of rtx_def, not rtx.
1922 * emit-rtl.c: Update for new rtl data structures.
1923 * genattrtab.c: Define global_rtl.
1925 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1927 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1930 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1932 * crtstuff.c (__do_global_ctors): Fix typo.
1934 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1936 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1937 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1939 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1941 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1942 * rs6000.c (function_arg_padding): New function.
1944 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1946 * m68k.c: Include tree.h only once.
1948 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1950 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1952 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1954 * Partially cleaned up prototyping code from HJ.
1955 * tree.h: Add many prototypes.
1956 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1957 All references changed.
1958 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1960 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1962 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1963 string functions like strlen.
1965 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1967 * configure.in: Check for functions getrlimit and setrlimit.
1968 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1969 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1971 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1973 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1975 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1977 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1980 * alpha.c (override_options): Don't know about scheduling for EV6.
1981 * alpha.md (ev5 function units): Don't overload as ev6.
1983 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1984 * alpha.md (define_attr type): Add mvi.
1985 (ev5_e0): Define sceduling parameters for it.
1986 (TARGET_MAX insns): Type is mvi not shift.
1988 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1990 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1992 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1994 * cstamp-h, auto-config.h: Delete.
1996 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1998 * version.c: Bump for snapshot.
2000 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2002 * cccp.c: Fix typo brought over in merge.
2004 * Merge in changes from gcc-2.8.
2006 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2008 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2010 * gcc.c (process_command): Do not take address of function fatal when
2011 calling lang_specific_driver.
2013 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2015 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2016 doesn't work with it yet, so set it to 0.
2017 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2019 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2021 * cse.c (cse_insn): Check for invalid entries when taking references.
2023 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2025 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2026 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2027 * toplev.c (rest_of_compilation): Pass it. Remove code to
2028 save / clear / restore flag_unroll_{,all_}loops.
2030 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2032 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2034 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2036 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2038 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2040 * except.c (get_dynamic_handler_chain): Only make the call once per
2043 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2045 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2047 * sh.c (final_prescan_insn): Use local label prefix
2048 when emitting .uses pseudo-ops.
2050 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2052 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2053 * except.c: Lose outer_context_label_stack.
2054 (expand_eh_region_end): Rethrow from outer_context here.
2055 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2056 (expand_internal_throw): Take no args.
2057 (expand_internal_throw_indirect): Lose.
2058 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2059 (expand_start_all_catch): Start a rethrow region.
2060 (expand_end_all_catch): End it.
2061 (expand_rethrow): New fn.
2062 * except.h: Reflect above changes.
2063 * flow.c: Revert change of Nov 27.
2065 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2067 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2069 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2071 * except.c (expand_fixup_region_end): New fn.
2072 (expand_fixup_region_start): Likewise.
2073 (expand_eh_region_start_tree): Store cleanup into finalization here.
2074 * stmt.c (expand_cleanups): Use them to protect fixups.
2076 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2078 * mips/mips.md (muldi3_r4000): Broaden the output template
2079 and attribute assignments to handle three operand dmult;
2080 rename to muldi3_internal2.
2081 (muldi3): Call the new muldi3_internal2 for R4000, and
2082 any GENERATE_MULT3 chip.
2084 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2086 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2088 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2090 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2091 with a dest_reg that was created by loop.
2093 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2095 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2097 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2099 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2101 * configure.in: Fix NCR entries.
2103 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2105 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2106 nested exceptions correctly.
2108 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2109 that was created by loop.
2111 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2113 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2115 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2117 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2119 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2120 (print_operand): Use SMALL_DATA_REG for the register involved in
2121 small data relocations.
2122 (print_operand_address): Ditto.
2124 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2125 -dynamic linker is not used.
2127 * rs6000.md (call insns): For local calls, use @local suffix under
2128 System V. Don't use @plt under Solaris.
2130 * rs6000.c (output_function_profiler): Put label address in r0, and
2131 store LR in 4(sp) for System V/eabi.
2133 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2134 byte boundary, and maintain stack backchain.
2136 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2138 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2139 fix_truncsfdi2): Change *.
2141 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2143 * toplev.c (main): Complain about -gdwarfn.
2145 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2147 * dwarfout.c (output_type): If finalizing, write out nested types
2148 of types we've already written.
2150 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2152 (patches originally from Geoffrey Keating)
2153 * rs6000.c (function_arg): Excess floating point arguments don't
2154 go into GPR registers after exhausting FP registers under the
2156 (function_arg_partial_nregs): Ditto.
2158 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2161 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2163 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2165 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2167 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2170 * libgcc2.c (__throw): Initialize HANDLER.
2172 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2174 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2175 fix_truncsfdi2): Change *X to ?*X.
2177 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2179 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2181 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2183 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2185 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2187 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2189 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2191 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2192 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2195 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2197 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2198 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2199 gas and not using the new HP assembler.
2201 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2203 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2204 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2206 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2208 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2209 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2212 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2214 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2216 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2218 * except.h: Add outer_context_label_stack.
2219 * except.c: Likewise.
2220 (expand_start_all_catch): Push the outer_context for the try block
2221 onto outer_context_label_stack.
2222 (expand_end_all_catch): Use it and pop it.
2224 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2226 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2228 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2230 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2232 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2234 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2235 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2237 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2239 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2240 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2241 __builtin_delete, and __builtin_vec_delete.
2243 * except.c (output_exception_table): Don't bother with
2246 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2248 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2249 is an in/out operand.
2250 (zero extended variants of stwm/stwm patterns): Similarly.
2252 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2254 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2256 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2258 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2259 (output_call_frame_info): Emit a \n after using it.
2261 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2263 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2265 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2267 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2268 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2269 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2271 (output_call_frame_info): Do not output forward label differences
2272 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2273 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2275 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2277 * sh.md (attribute "type"): Add nil.
2278 (movsi_ie): y/y alternative is type nil.
2279 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2281 (movsf_ie+1): Delete.
2283 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2285 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2286 large_int, emit two insns instead of one splitable insn.
2287 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2288 from cfa_temp_value, use cfa_offset. Add assert checking that
2291 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2293 * cccp.c (deps_output): Properly quote file names for make.
2295 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2297 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2299 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2301 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2303 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2305 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2307 (cse_end_of_basic_block): Similarly.
2309 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2311 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2312 (SELECT_RTX_SECTION): Define.
2313 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2315 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2317 * Makefile.in (compare, compare-lean): Define $stage for each
2319 (gnucompare, gnucompare-lean): Likewise.
2321 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2323 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2325 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2326 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2328 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2330 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2331 and add case to handle STRING_TYPE.
2332 * dwarfout.c (output_string_type_die): Fix code to generate
2333 correct string length attribute for fixed length strings.
2334 Still needs support for varying length strings.
2336 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2338 * toplev.c (get_run_time): Do something sensible for cygwin32.
2340 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2342 * expr.c (expand_builtin_setjmp): Set
2343 current_function_has_nonlocal_label.
2344 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2345 call-saved registers across calls.
2347 * alpha.md (exception_receiver): Remove.
2348 (nonlocal_goto_receiver_osf): New
2349 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2350 (nonlocal_goto_receiver): New, select _osf or _vms.
2352 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2353 keep them from being propogated to the object file.
2354 (alpha_write_linkage): Likewise.
2355 * alpha.md (call_vms): Likewise.
2356 (call_value_vms): Likewise.
2357 (unnamed osf call insns): Likewise.
2359 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2360 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2362 * alpha.c (call_operand): Any reg is valid for WinNT.
2363 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2364 (anon nt calls): Add 'R' alternative.
2365 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2366 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2368 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2370 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2372 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2373 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2374 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2376 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2378 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2379 spill error message.
2381 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2383 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2384 use varargs.h. Wrap header with <>, not "".
2386 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2388 * integrate.c (save_for_inline_copying): Add return value from
2391 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2393 * fixincludes: Be a little more restrictive on what we will
2394 substitute to replace definitions of MAXINT for HPUX.
2396 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2398 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2399 whose address is the stack or argument pointers are indirect
2402 1997-11-13 Paul Eggert <eggert@twinsun.com>
2404 * cccp.c, cpplib.c (compare_defs):
2405 Don't complain about arg name respellings unless pedantic.
2406 * cpplib.c (compare_defs): Accept pfile as new arg.
2407 All callers changed.
2409 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2411 * fold-const.c (fold_truthop): Fix bug in last change.
2413 1997-11-13 Paul Eggert <eggert@twinsun.com>
2415 Fix some confusion with IEEE minus zero.
2417 * real.h (REAL_VALUES_IDENTICAL): New macro.
2419 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2420 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2422 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2423 same tree structure as 0.0.
2425 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2426 macro instead of doing it by hand.
2428 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2430 * v850/lib1funcs.asm: Minor whitespace changes.
2431 * v850.c: Fix minor formatting problems in many places.
2432 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2434 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2436 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2437 xplus1 when xplus0 is not a register.
2439 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2441 * flow.c (find_basic_blocks): During marking phase, if we encounter
2442 an insn with a REG_LABEL note, make the target block live and
2443 create an edge from the insn to the target block. Do not make
2444 edges from all blocks to the target block.
2446 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2448 * confiugre.in: Tweak NCR entries.
2449 * configure: Rebuilt.
2451 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2453 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2454 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2455 and CONST_DOUBLE_HIGH.
2457 * rs6000.md (define_splits for DF constants): Use the appropriate
2458 REAL_VALUE_* interface to pick apart DF floating point constants in
2459 a machine independent fashion.
2461 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2463 * fold-const.c (fold_truthop): When changing a one-bit comparison
2464 against zero into a comparison against mask, do a proper sign
2467 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2469 * except.c: Do not include "assert.h".
2470 (save_eh_status): Turn asserts into conditional aborts.
2471 (restore_eh_status, scan_region): Likewise.
2472 * dwarfout.c: Do not include "assert.h".
2473 (bit_offset_attribute): Turn asserts into conditional aborts.
2474 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2475 (output_inlined_structure_type_die): Likewise.
2476 (output_inlined_union_type_die): Likewise
2477 (output_tagged_type_instantiation): Likewise.
2478 (dwarfout_file_scope_decl): Likewise.
2479 * dwarf2out.c: Do not include "assert.h"
2480 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2481 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2482 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2483 (add_bit_size_attribute, scope_die_for): Likewise.
2484 (output_pending_types_for_scope): Likewise.
2485 (get_inlined_enumeration_type_die): Likewise.
2486 (get_inlined_structure_type_die): Likewise.
2487 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2488 (gen_tagged_type_instantiation_die): Likewise.
2490 * flow.c (find_basic_blocks): Refine further to get a more correct
2491 cfg, especially in the presense of exception handling, computed
2492 gotos, and other non-trivial cases. Call abort if an inaccuracy
2493 is detected in the cfg.
2495 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2497 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2499 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2500 (skip_white_space): Use whitespace_cr.
2501 (check_newline): Handle whitespace more consistently.
2503 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2505 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2506 * i386/xm-cygwin32.h (POSIX): Define.
2508 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2510 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2511 is available elsewhere.
2513 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2515 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2516 what the instruction can handle.
2518 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2520 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2522 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2524 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2526 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2527 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2529 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2531 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2532 swap instruction order.
2534 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2536 * fixinc.svr4 (__STDC__): Add another case.
2538 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2540 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2541 addresses in the epilogue delay slot.
2543 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2545 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2546 in generated `specs' file.
2548 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2550 * flags.h (flag_rerun_loop_opt): Declare.
2551 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2552 * toplev.c (flag_rerum_loop_opt): Delete static.
2554 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2556 Bring over from FSF:
2558 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2560 * va-sh.h (__va_arg_sh1): Define.
2562 SH3E doesn't use any integer registers for subsequent arguments
2563 once a non-float value was passed in the stack.
2564 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2565 alignment in front label for ADDR_DIFF_VEC.
2566 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2567 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2569 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2571 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2574 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2576 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2577 put an use_sfunc_addr before each sfunc.
2578 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2579 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2581 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2583 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2585 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2587 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2590 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2592 * alias.c (find_base_value): Only return the known base value for
2595 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2597 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2598 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2600 (prologue_get_pc_and_set_got): New pattern.
2602 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2604 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2605 for SUBREG, just fall through.
2607 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2609 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2611 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2613 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2615 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2616 (USE_HOST_ALLOCA): Likewise.
2618 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2619 and LABEL_REFS fields.
2620 * rtl.h (LABEL_REFS): Update.
2622 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2624 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2625 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2626 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2629 * mips.md (insv, extzv, extv): Add change_address call.
2630 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2632 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2634 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2636 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2637 save_restore_insns if no FP and GP will be restored.
2639 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2640 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2642 * acconfig.h (HAVE_INTTYPES_H): Undef.
2643 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2644 and inttypes.h, and verify that intmax_t is defined.
2645 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2646 * config/mips/x-iris3: Likewise.
2648 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2650 * alias.c (find_base_value): When copying arguments, return the
2651 tenative value for a hard register.
2653 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2655 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2656 (yylex): Record wide strings using target endianness, not host.
2658 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2660 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2661 (ASM_OUTPUT_ALIGNED_BSS): New macro
2662 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2663 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2664 * v850.h (ASM_OUTPUT_BSS): Delete.
2665 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2667 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2669 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2671 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2673 * configure.in (sco5): Use cpio to install header files.
2675 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2677 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2679 * configure: Rebuild.
2681 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2683 * i386/sco5.h: enable -gstabs once again.
2685 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2687 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2689 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2691 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2692 notes for sjlj exceptions too.
2693 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2694 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2695 * final.c (final_scan_insn): Don't output labels for EH REGION
2696 notes if doing sjlj exceptions.
2698 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2700 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2701 optimizing correctly.
2703 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2704 or set current_function_calls_setjmp anymore.
2706 * flow.c (find_basic_blocks): If we delete the label for an
2707 exception handler, remove it from the EH label list and remove
2708 the EH_BEGIN/EH_END notes for that EH region.
2710 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2712 * flow.c (find_basic_blocks): Generate correct flow control
2713 information when exception handling notes are present.
2715 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2717 * dwarf2out.c (output_call_frame_info): Fix length argument
2718 to ASM_OUTPUT_ASCII.
2719 (output_die, output_pubnames, output_line_info): Likewise.
2721 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2723 * version.c: Bump for snapshot.
2725 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2726 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2727 flag_debug_asm is on.
2728 (output_die, output_pubnames, output_line_info): Likewise.
2730 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2731 and static_chain_rtx into the potential base values array if
2734 * alias.c (new_reg_base_value): New array of potential base values.
2735 (unique_id): Now file scoped static.
2736 (find_base_value, case REG): Return the value in reg_base_value
2737 array for the REG if it exists. Else, return the value from
2738 new_reg_base_value if copying args and REG is a hard register.
2739 (find_base_value, case PLUS): If either operand of the PLUS is
2740 a REG, try to get its base value. Handle base + index and
2742 (record_set): Use new_reg_base_value instead of reg_base_value.
2743 (init_alias_analysis): Allocate space for new_reg_base_value too.
2744 Rework code to iterate over the insns propagating base value
2745 information until nothing changes.
2747 * global.c (global_alloc): Free the conflict matrix after
2748 reload has finished.
2750 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2752 * libgcc2.c (L_eh): Define __eh_pc.
2753 Replace __eh_type with generic pointer __eh_info.
2755 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2757 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2758 use copy_to_reg if address is not a general_operand.
2760 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2762 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2763 for the duration of the call to rest_of_compilation.
2765 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2767 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2769 (sparc*-*-*): Recognize --with-cpu=v9.
2770 * sparc/elf.h: New file.
2771 * sparc/t-elf: New file.
2773 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2775 * mn10300.c (const_8bit_operand): New function.
2776 (mask_ok_for_mem_btst): New funtion.
2777 * mn10300.md (btst patterns with mem operands): Use new functions
2778 to avoid creating btst instructions with invalid operands.
2780 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2782 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2783 are running on PowerPC Linux.
2785 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2787 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2788 if not previously defined.
2790 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2792 * function.c (assign_parms): Correct mode of stack_parm if
2793 entry_parm underwent a mode conversion.
2795 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2797 * global.c (global_alloc): Use xmalloc instead of alloca for
2798 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2799 than 2.5Mb sometimes.
2801 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2803 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2804 DEST for the spill, adjust mode of SRC to compensate.
2806 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2808 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2809 since any_memory_operand() allows pseudos during reload.
2810 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2812 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2814 * m68k.md (btst patterns): Add 5200 support.
2816 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2818 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2819 optimizations, look inside dividend to determine if the expression
2820 can be simplified by using EXACT_DIV_EXPR.
2822 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2825 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2827 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2829 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2831 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2833 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2836 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2838 * alpha.md (movqi, movhi): Make sure new insns created during reload
2839 won't need reloading themselves.
2840 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2842 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2844 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2846 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2848 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2849 Patch from Klaus Kaempf <kkaempf@progis.de>.
2851 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2853 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2854 to an element in a constant string.
2856 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2858 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2859 bit PC-relative offset. The exception range table pointer is now in
2861 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2862 (count_fdes, add_fdes, get_cie): Adjust.
2863 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2866 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2868 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2870 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2871 like stack_pointer_rtx.
2873 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2875 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2876 targets using "$@" to provide support for similar but not identical
2877 targets without having to duplicate code.
2878 (bootstrap4): New goal.
2880 * Makefile.in (compare, compare-lean, compare3): Combined to one
2881 ruleset determining actions to be performed via $@.
2882 (compare4, compare4-lean): New targets.
2883 (gnucompare, gnucompare3): Combined to one ruleset determining
2884 actions to be performed via $@. Also, note which files failed
2885 the comparison test in .bad_compare.
2886 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2888 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2890 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2891 if the dividend is a multiple of the divisor.
2893 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2895 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2897 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2900 * alias.c (true_dependence): Fix typo.
2902 * toplev.c (flag_rerun_loop_opt): New variable.
2903 (f_options): Handle -frerun-loop-opt.
2904 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2906 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2908 * loop.c (simplify_giv_expr): Adding two invariants results
2911 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2913 * expr.c (get_inner_reference): Remove the array bias after
2914 converting the index to Pmode.
2916 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2918 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2919 (TARGET_MULT_BUG): Define.
2920 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2921 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2923 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2925 * mn10200.c (indirect_memory_operand): Delete unused function.
2926 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2927 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2929 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2931 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2932 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2933 for more than scheduling.
2935 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2937 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2939 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2941 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2942 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2943 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2945 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2947 * version.c: Bump for snapshot.
2949 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2951 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2954 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2956 * toplev.c (flag_exceptions): Default value is 2.
2957 (compile_file): If flag_exceptions still has the value 2, then
2960 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2961 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2962 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2964 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2967 * rs6000.md (*movsi_got_internal_mem): New pattern.
2968 (*movsi_got_internal_mem splitter): New define_split.
2970 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2972 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2974 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2976 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2977 only need to save LR.
2979 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2981 * mn10300.md (movqi, movhi): Avoid using address registers as
2982 destinations unless absolutely necessary.
2984 * mn10200.c (expand_prologue): Fix typo.
2986 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2988 * mn10200.md (neghi2): Provide an alternative which works if
2989 the input and output register are the same.
2991 * mn10300.c (print_operand): Handle 'S'.
2992 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2993 shift amount in last alternative
2995 * mn10300.c (expand_epilogue): Rework to handle register restores
2996 in "ret" and "retf" instructions correctly.
2998 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3000 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3001 extzv for memory operands.
3003 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3004 redundant conditional moves to single operand.
3006 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3008 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3011 * xm-v850.h: Use __v850 rather than __v850__ to
3014 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3016 * mips/mips.c (compute_frame_size): Not a leaf function if
3019 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3021 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3023 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3025 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3026 (DEFAULT_ARCH32_P): New macro.
3027 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3028 (enum cmodel): Declare.
3029 (sparc_cmodel_string,sparc_cmodel): Declare.
3030 (SPARC_DEFAULT_CMODEL): Provide default.
3031 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3032 (TARGET_FULLANY): Deleted.
3033 (TARGET_CM_MEDMID): New macro.
3034 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3035 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3036 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3037 (CPP_SPEC): Rewrite.
3038 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3039 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3040 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3041 (ASM_SPEC): Add %(asm_arch).
3042 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3043 Rename asm_default to asm_cpu_default.
3044 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3045 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3046 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3047 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3048 (MASK_INT64,MASK_LONG64): Delete.
3049 (MASK_ARCH64): Renamed to MASK_64BIT.
3050 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3051 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3052 (TARGET_SWITCHES): Always provide 64 bit options.
3053 (ARCH64_SWITCHES): Delete.
3054 (TARGET_OPTIONS): New option -mcmodel=.
3055 (INT_TYPE_SIZE): Always 32.
3056 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3057 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3058 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3059 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3060 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3062 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3063 * sparc/linux.h: Likewise.
3064 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3065 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3066 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3067 (SPARC_DEFAULT_CMODEL): Define.
3068 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3069 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3070 (LONG_DOUBLE_TYPE_SIZE): Define.
3071 (ASM_SPEC): Add %(asm_arch).
3072 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3073 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3074 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3075 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3076 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3077 (SPARC_DEFAULT_CMODEL): Define.
3078 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3079 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3080 MASK_LONG64, MASK_MEDANY.
3081 (SPARC_DEFAULT_CMODEL): Define.
3082 (CPP_PREDEFINES): Delete.
3083 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3084 (ASM_SPEC): Add %(asm_arch).
3085 (LONG_DOUBLE_TYPE_SIZE): Define.
3086 (DWARF2_DEBUGGING_INFO): Define.
3087 * sparc/splet.h (CPP_SPEC): Delete.
3088 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3089 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3090 (BLOCK_PROFILER): Likewise.
3091 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3092 (sparc_override_options): Handle code model selection.
3093 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3094 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3095 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3096 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3097 (sethi_di_fullany): Delete.
3099 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3100 Jeff Law <law@cygnus.com>
3101 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3103 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3104 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3105 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3106 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3107 * alpha/alpha.md (arg_home): Likewise.
3109 * alpha/alpha.c (vmskrunch): Delete
3110 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3111 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3112 truncate to 64 characters.
3114 * make-l2.com: Support openVMS/Alpha.
3116 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3118 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3120 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3122 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3124 * i386/bsd386.h (ASM_COMMENT_START): Define.
3126 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3128 * tree.c (restore_tree_status): Also free up temporary storage
3129 when we finish a toplevel function.
3130 (dump_tree_statistics): Print stats for backend obstacks.
3132 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3134 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3136 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3138 * libgcc2.c (__throw): Don't copy the return address.
3139 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3141 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3142 * toplev.c (main): Initialize exceptions_via_longjmp.
3144 * tree.c: Add extra_inline_obstacks.
3145 (save_tree_status): Use it.
3146 (restore_tree_status): If this is a toplevel inline obstack and we
3147 didn't want to save anything on it, recycle it.
3148 (print_inline_obstack_statistics): New fn.
3149 * function.c (pop_function_context_from): Pass context to
3150 restore_tree_status.
3151 * obstack.h (obstack_empty_p): New macro.
3153 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3155 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3157 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3159 * v850.c (ep_memory_offset): New function.
3160 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3162 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3163 (CONSTANT_ADDRESS_P): Add comment.
3164 (EXTRA_CONSTRAINT): Define 'U'.
3165 * v850.md: Add comments on bit field instructions.
3166 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3167 (lshrsi3): Use N not J constraint.
3169 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3171 * v850.c (reg_or_0_operand): Call register_operand.
3172 (reg_or_int5_operand): Likewise.
3173 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3174 (TARGET_SWITCHES): Add "big-switch".
3175 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3176 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3177 (CASE_DROPS_THROUGH): Comment out.
3178 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3179 * v850.md (cmpsi): Delete compare mode.
3180 (casesi): New pattern.
3182 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3183 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3184 (lshrsi3): Likewise.
3186 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3187 unreachable switch statement after 'b' support. Remove "b" from
3188 strings for 'b' support.
3189 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3191 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3193 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3194 empty line if @inhibit_libc@ is empty.
3196 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3198 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3199 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3200 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3201 (DWARF2_UNWIND_INFO): Let this track object file format.
3202 (EXTRA_SECTIONS): Add in_eh.
3203 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3204 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3206 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3208 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3209 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3211 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3212 (output_double_int): Output DI mode values correctly when
3213 HOST_BITS_PER_WIDE_INT is 64.
3214 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3215 fmovd so it works if a quad float ends up in one of the upper 32
3217 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3218 necessary for PIC support on sparc64.
3220 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3222 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3223 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3224 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3225 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3226 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3227 (SPARC_FP_ARG_FIRST): New macro.
3228 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3229 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3230 (NPARM_REGS): There are 32 fp argument registers now.
3231 (FUNCTION_ARG_REGNO_P): Likewise.
3232 (FIRST_PARM_OFFSET): Update to new v9 abi.
3233 (REG_PARM_STACK_SPACE): Define for arch64.
3234 (enum sparc_arg_class): Delete.
3235 (sparc_arg_count,sparc_n_named_args): Delete.
3236 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3237 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3238 (FUNCTION_ARG_ADVANCE): Rewrite.
3239 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3240 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3241 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3242 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3243 (STRICT_ARGUMENT_NAMING): Define.
3244 (doublemove_string): Declare.
3245 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3246 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3247 (doublemove_string): New function.
3248 (output_move_quad): Clean up some of the arch64 support.
3249 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3250 Don't add 8 bytes of reserved space if arch64.
3251 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3252 (init_cumulative_args): New function.
3253 (function_arg_slotno): New static function.
3254 (function_arg,function_arg_partial_nregs): New functions.
3255 (function_arg_{pass_by_reference,advance}): New functions.
3256 (function_arg_padding): New function.
3257 * ginclude/va-sparc.h: Rewrite v9 support.
3259 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3261 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3262 for hard regs to determine base and index registers.
3264 * reload.c (debug_reload_to_stream): New function. Specify stream
3265 into which to write debug info.
3266 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3268 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3270 * combine.c (can_combine_p): Don't combine with an asm whose
3271 output is a hard register.
3273 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3275 * c-decl.c (start_struct): Ensure that structs with forward
3276 declarations are in fact packed when -fpack-struct is given.
3278 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3279 we are packing a structure. This allows a structure with only
3280 bytes to be aligned on a byte boundary and have no padding on a
3283 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3285 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3287 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3289 * alpha.c (alpha_return_addr_rtx): New variable.
3290 (alpha_save_machine_status): New; save it.
3291 (alpha_restore_machine_status): New; restore it.
3292 (alpha_init_expanders): New; clear it.
3293 (alpha_return_addr): New; set it.
3294 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3295 is overly conservative, so search the insns explicitly.
3296 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3297 (alpha_sa_size [VMS && !VMS]): Likewise.
3298 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3299 (INIT_EXPANDERS): New definition.
3301 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3302 (output_prolog [!VMS]): Use them.
3304 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3305 (alpha_does_function_need_gp): ... a new function. Refine the
3306 CALL_INSN test to just TYPE_JSR.
3307 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3309 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3311 * version.c: Bump for snapshot.
3313 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3315 * pa.c (move_operand): Respect -mdisable-indexing.
3316 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3318 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3320 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3322 (umulsidi3,umulsi3_highpart): Ditto.
3323 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3325 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3327 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3328 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3329 function in one go. Emit RTL for trapb, instead of printf directly.
3330 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3331 (trap_pending): Kill global variable.
3332 (output_epilog): Don't call final_prescan_insn.
3333 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3334 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3335 (MACHINE_DEPENENT_REORG): Define.
3336 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3339 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3341 Tune Haifa scheduler for Alpha:
3342 * alpha.h (ISSUE_RATE): Define.
3343 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3344 EV4 adjustments to EV5.
3345 * alpha.md: Remove all scaling from function unit delays. Rework
3346 EV5 function units to match the CPU.
3347 (umuldi3_highpart): EV5 added the IMULH insn class.
3349 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3351 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3354 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3356 * cplus-dem.c (demangle_signature): Don't look for return types on
3357 constructors. Handle member template constructors.
3359 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3361 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3362 * tree.h: Declare them.
3364 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3366 * configure.in: Handle --with-newlib.
3367 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3369 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3371 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3373 * config/ptx4.h: Fix typo.
3375 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3377 * version.c: Bump for snapshot.
3379 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3381 * aclocal.m4: Substitute INSTALL.
3382 * configure: Re-built.
3384 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3386 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3388 (expand_inline_function): Likewise.
3390 * dwarf2out.c (output_call_frame_info): Reinstate last change
3391 using flag_debug_asm check instead of flag_verbose_asm.
3393 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3395 * dwarf2out.c (output_call_frame_info): Remove last change.
3397 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3399 * frame.c (__frame_state_for): Execute the FDE insns until the
3400 current pc value is strictly bigger than the target pc value.
3402 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3404 * regclass.c (init_reg_modes): If we can't find a mode for the
3405 register, use the previous one.
3407 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3409 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3410 don't sprintf through an alloca'ed buffer.
3412 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3414 * reload.c (decompose): Always initialize val.base.
3416 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3418 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3419 instead of aborting.
3420 * dwarf2out.c (output_call_frame_info): Call app_enable and
3421 app_disable to let GNU as accept the generated comments.
3423 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3425 * tree.h (get_file_function_name): Add declaration.
3426 * dwarf2out.c (output_call_frame_info): No need to cast
3427 get_file_function_name call anymore.
3428 * profile.c (toplevel): Remove get_file_function_name
3430 * c-lang.c (finish_file): Ditto.
3432 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3434 * Makefile.in (program_transform_name): Let autoconf substitute
3437 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3439 * haifa-sched.c (schedule_block): If the first real insn in a
3440 block has any special notes attached to it, remove them.
3442 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3444 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3446 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3448 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3450 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3452 * Makefile.in (check-g77): New test target.
3453 (CHECK-TARGETS): Add check-g77.
3455 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3457 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3459 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3461 * flow.c (print_rtl_with_bb): Cast alloca return value for
3464 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3466 * i386.h (RETURN_ADDR_RTX): New definition that works for
3467 __builtin_return_address(0) and -fomit-frame-pointer.
3469 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3471 Bring over from FSF.
3472 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3474 * mips.c (function_arg): Handle passing a struct
3475 containing a double in a DFmode register without the PARALLEL.
3477 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3479 * pexecute.c: Use spawn if __CYGWIN32__.
3481 * pexecute.c: Include "config.h" first, as per autoconf manual
3482 (from Paul Eggert <eggert@twinsun.com>).
3484 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3486 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3487 optimisation for f/expr.o and f/stb.o.
3489 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3491 * cse.c (this_insn_cc0_mode): Initialize.
3493 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3495 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3497 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3499 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3501 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3502 that pair will dual-issue on the 21164 and plus+beq won't.
3503 (bne): Likewise for cmpeq+beq.
3505 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3507 * except.c (find_exception_handler_labels): Correct argument to free.
3509 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3511 * except.c (find_exception_handler_labels): Free LABELS when we're
3514 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3516 * version.c: Bump for snapshot.
3518 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3520 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3523 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3525 * configure.in: Substitute for "install" too.
3526 * configure: Rebuilt.
3528 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3530 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3532 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3534 * alias.c (base_alias_check): Two symbols can conflict if they
3535 are accessed via AND.
3536 (memrefs_conflict_p): Likewise.
3538 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3539 after flushing argument registers to the stack.
3541 * Makefile.in (mostlyclean): Remove .regmove files.
3543 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3545 * libgcc2.c (__throw): Fix thinko.
3547 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3549 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3550 template-function mangling.
3551 (consume_count_with_underscores): New function.
3552 (demangle_signature): Handle new name-mangling scheme.
3554 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3556 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3559 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3561 * frame.c: Remove last change.
3562 * dwarf2.h: Remove last change.
3563 * tree.h: Add declarations of DWARF2 unwind info support
3566 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3568 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3569 * tree.h (built_in_function): Likewise.
3570 * expr.c (expand_builtin): Likewise.
3571 * except.h: Likewise.
3572 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3573 * libgcc2.c (copy_reg): New fn.
3576 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3578 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3579 unsigned if -W is specified and -Wno-sign-compare is not.
3580 * c-decl.c (warn_sign_compare): Initialize to -1.
3581 (c_decode_option): -Wall no longer implies -Wsign-compare.
3583 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3585 * frame.c: Include gansidecl.h for PROTO.
3586 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3587 defined. Don't declare dwarf2out_cfi_label here.
3588 * dwarf2.h: Add declarations of DWARF2 unwind info support
3590 * m68k.c: Include dwarf2.h.
3591 (output_function_prologue): Add dwarf2 support.
3592 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3593 (INCOMING_FRAME_SP_OFFSET): Likewise.
3595 * integrate.c (expand_inline_function): Make sure there is at
3596 least one insn that can be used as an insertion point.
3598 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3600 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3602 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3604 * version.c: Bump for snapshot.
3606 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3608 Bring over from FSF.
3610 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3612 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3613 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3614 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3616 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3618 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3619 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3621 (sparc_align_{loops,jumps,funcs}_string): Declare.
3622 (sparc_align_{loops,jumps,funcs}): Declare.
3623 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3624 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3625 (STACK_BIAS): Define.
3626 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3628 (SPARC_SETHI_P): New macro.
3629 (CONST_OK_FOR_LETTER_P): Use it.
3630 (ASM_OUTPUT_ALIGN_CODE): Define.
3631 (ASM_OUTPUT_LOOP_ALIGN): Define.
3632 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3633 (sparc_align_{loops,jumps,funcs}): New globals.
3634 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3636 (move_operand): Use SPARC_SETHI_P.
3637 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3639 (arith11_double_operand): Likewise.
3640 (arith10_double_operand): Likewise.
3641 (finalize_pic): Finish sparc64 support.
3642 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3643 64 bit constants if able.
3644 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3645 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3647 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3648 (get_pc_sp32): Use for sparc64 as well.
3649 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3650 (sethi_di_sp64_const): Likewise.
3651 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3652 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3653 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3655 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3657 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3658 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3659 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3661 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3663 Add sparc64 linux support.
3664 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3665 to xm_file list on 32-bit sparc-linux.
3666 * sparc/xm-sp64.h: New file.
3667 * sparc/linux64.h: New file.
3668 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3669 Don't include xm-sparc.h.
3670 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3671 * glimits.h (LONG_MAX): Handle sparc64.
3673 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3675 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3676 * sparc.h (ASM_COMMENT_START): Define.
3677 * sparc.c (output_function_prologue): Use it.
3678 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3680 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3682 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3683 use sparc.h's copies.
3684 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3687 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3689 * sparc.c (dwarf2out_cfi_label): Add declaration.
3690 (save_regs, output_function_prologue): Remove cast for it.
3691 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3692 ({save,restore}_regs): No longer inline.
3694 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3696 * fold-const.c (make_range): Correctly handle cases of converting
3697 from unsigned to signed type.
3699 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3701 * fold-const.c (merge_ranges): Make sure that if one range is subset
3702 of another, it will always be the second range. Correct (+,-) case to
3705 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3707 * final.c (final_end_function): Also do dwarf2 thing if
3708 DWARF2_DEBUGGING_INFO.
3709 (final_start_function): Likewise.
3711 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3713 * expmed.c (expand_divmod): If compute_mode is not the same as
3714 mode, handle the case where convert_modes() causes op1 to no
3715 longer be a CONST_INT.
3717 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3718 note holding get_jump_flags() calculation to all JUMP_INSNs.
3719 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3720 * rtl.c (reg_note_name): Add new note types.
3722 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3724 * rtlanal.c (computed_jump_p): Fix typo in last change.
3726 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3728 * loop.c (indirect_jump_in_function_p): Return 0
3731 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3733 * rs6000/xm-rs6000.h: Fix thinko in last change.
3734 * rs6000/xm-sysv4.h: Likewise.
3736 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3738 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3740 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3742 * reg-stack.c (find_blocks): Fix thinko in last change.
3744 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3746 * m68k.c (output_function_prologue): Add dwarf2 support.
3748 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3749 INCOMING_FRAME_SP_OFFSET): New definitions.
3751 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3753 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3754 appropriate in calls to gen_rtx().
3755 * cse.c (cse_main): Likewise.
3756 * emit-rtl.c (gen_label_rtx): Likewise.
3757 * expr.c (init_expr_once): Likewise.
3758 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3759 sched_analyze, init_rgn_data_dependences,
3760 compute_block_backward_dependences): Likewise.
3761 * sched.c (schedule_insns): Likewise.
3762 * varasm.c (immed_double_const): Likewise.
3764 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3765 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3767 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3769 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3770 (MULTILIB_DEFAULTS): Define.
3771 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3772 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3773 (LIBGCC_SPEC): Likewise.
3774 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3775 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3776 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3777 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3778 (EXTRA_PARTS, TAROUTOPTS): Delete.
3779 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3780 (MULTILIB_OPTIONS): Define.
3781 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3782 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3784 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3786 * version.c: Bump for snapshot.
3788 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3790 * loop.c (loop_number): Delete function. Change all references
3791 to use uid_loop_num array.
3792 * loop.h (loop_number): Delete declaration.
3793 * unroll.c (unroll_loop): Change "loop_number" references to
3794 use uid_loop_num instead.
3796 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3798 (loop_unroll_iter): Remove unused variable and all references.
3799 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3800 (insert_bct): Fix minor formatting problems.
3801 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3802 (loop_unroll_iter): Removed unused decl.
3803 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3804 Always record the unrolling factor.
3806 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3807 Similarly for h1u and h1s.
3809 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3810 (find_basic_blocks): Use computed_jump_p to determine if a
3811 particular JUMP_INSN is a computed jump.
3812 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3813 if a particular JUMP_INSN is a computed jump.
3814 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3815 (computed_jump_p): Likewise.
3816 * rtl.h (computed_jump_p): Declare.
3817 * genattrtab.c (pc_rtx): Define and initialize.
3818 * loop.c (loop_optimize): Always determine if the current
3819 function has a computed jump.
3820 (indirect_jump_in_function_p): Use computed_jump_p to determine
3821 if a particular JUMP_INSN is a computed jump.
3823 * loop.c (fix_bct_param): Delete unused function.
3824 (check_bct_param): Likewise.
3826 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3828 * frame.c (__deregister_frame): Check properly for initialized object.
3830 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3832 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3834 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3836 * jump.c (thread_jumps): check can_reverse_comparison_p before
3837 threading a reversed-condition jump.
3839 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3840 * haifa-sched.c (update_flow_info): Likewise.
3842 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3844 * Makefile.in (BOOT_CFLAGS): Use -O2.
3846 * configure.in (strtoul, bsearch): Have autoconf check for these
3848 * configure, config.in: Rebuilt.
3850 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3851 * mips/mips.h (alloca): Likewise.
3852 * rs6000/xm-rs6000.h (alloca): Likewise.
3853 * rs6000/xm-sysv4.h: Likewise.
3855 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3857 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3858 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3859 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3861 * except.c (end_eh_unwinder): Subtract 1 from return address.
3862 * libgcc2.c (__throw): Likewise.
3863 (find_exception_handler): Don't change PC here. Compare end with >.
3865 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3867 * v850.c (compute_register_save_size): Correct register
3869 * v850.md (save_interrupt, return_interrupt): Correct
3871 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3872 (return_interrupt): Use stack pointer, not element pointer.
3874 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3876 * configure.in, configure: Make sure to create the stage* and include
3877 symbolic links in each subdirectory.
3879 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3881 * pa.md (reload_peepholes): Don't allow addresses with side
3882 effects for the memory operand.
3884 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3886 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3887 looking for a handler, to avoid hitting the beginning of the next
3890 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3892 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3894 * mips/abi64.h (LONG_MAX_SPEC): Define.
3895 * mips.h (LONG_MAX_SPEC): Define.
3896 (CPP_SPEC): Include long_max_spec.
3897 (EXTRA_SPECS): Include long_max_spec.
3899 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3901 * v850.c (construct_save_jarl): Fix thinko in last change.
3903 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3905 * version.c: Bump for snapshot.
3907 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3909 * libgcc2.c (find_exception_handler): Not found is -1.
3911 * integrate.c (expand_inline_function): Move expand_start_bindings
3912 after expanding the arguments.
3914 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3916 * expr.c (expand_expr): Remove previous incorrect change.
3917 If target and slot has no DECL_RTL, then call mark_addressable
3918 again for the slot after we give it RTL.
3920 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3922 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3923 again for the slot after we give it RTL.
3925 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3927 * v850.c (register_is_ok_for_epilogue,
3928 pattern_is_ok_for_epilogue, construct_restore_jr,
3929 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3931 * v850.h (pattern_is_ok_for_prologue,
3932 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3935 * v850.md: Replace prologue and epilogue patterns with a
3936 match_parallel pattern.
3938 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3940 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3941 * configure.in: Use EGCS_PROG_INSTALL.
3943 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3945 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3946 extern inline function.
3948 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3950 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3951 (concat_loc_descriptor): New function.
3952 (loc_descriptor): Call it.
3953 (add_AT_location_description): Also elide the descriptor if both
3954 halves of a CONCAT are pseudos.
3955 (add_location_or_const_value_attribute): Recognize CONCAT too.
3957 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3959 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3961 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3962 out-or-range reg_offset.
3963 (output_epilog): Likewise.
3965 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3967 * cse.c (simplify_relational_operation): If MODE specifies a
3968 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3969 is derived from the sign bit of the low word.
3971 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3973 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3975 * dwarf2.h: Add DW_CFA_GNU_args_size.
3976 * frame.c (execute_cfa_insn): Likewise.
3977 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3978 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3979 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3980 insn, hand it off to dwarf2out_stack_adjust.
3981 (dwarf2out_begin_prologue): Initialize args_size.
3982 * frame.h (struct frame_state): Add args_size.
3983 * libgcc2.c (__throw): Use args_size.
3984 * final.c (final_scan_insn): If we push args, hand off all insns
3985 to dwarf2out_frame_debug.
3986 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3988 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3989 Handle epilogue restore of SP from FP.
3990 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3991 lone insn has RTX_FRAME_RELATED_P set.
3993 * frame.c (extract_cie_info): Handle "e" augmentation.
3994 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3995 absence of UNALIGNED_*_ASM_OP.
3996 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3997 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3998 Don't emit augmentation fields length.
3999 (dwarf2out_do_frame): Move outside of #ifdefs.
4000 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4003 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4004 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4005 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4006 * sparc/sun4gas.h: New file.
4007 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4009 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4010 __register_frame_table and __deregister_frame.
4012 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4014 * except.c (find_exception_handler_labels): Use xmalloc instead of
4015 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4018 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4020 * Makefile.in: Various changes to build info files
4021 in the object tree rather than the source tree.
4023 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4025 * fixinc.math: New file to fix math.h on some systems.
4026 * configure.in (freebsd, netbsd): Use fixinc.math on these
4028 * configure: Rebuilt.
4030 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4032 * regmove.c (regmove_optimize): If we end up moving the
4033 original insn due to lifetime overlaps, make sure to move
4036 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4038 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4040 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4042 * haifa-sched.c (add_branch_dependences): Make each insn in
4043 a SCHED_GROUP_P block explicitly depend on the previous insn.
4045 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4047 * except.h: Prototype dwarf2 hooks.
4050 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4052 * configure.in (native_prefix): Delete.
4053 (mips-dec-netbsd): Don't set prefix.
4054 (*linux*): Don't set prefix.
4056 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4058 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4059 defined. If not defined, include <sys/varargs.h> if
4060 HAVE_SYS_VARARGS_H is defined.
4061 * configure.in: Test for varargs.h and sys/varargs.h.
4062 * configure: Regenerate with autoconf.
4063 * config.in: Regenerate with autoheader.
4065 * cpplib.c (quote_string): Cast first arg of sprintf call
4066 from "unsigned char *" to "char *".
4067 (output_line_command): Ditto.
4068 (macroexpand): Ditto.
4069 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4071 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4073 * version.c: Bump for snapshot.
4075 * Makefile.in (compare): Exit with nonzero status if there
4076 are comparison failures. Note which files failed the
4077 comparison test in .bad_compare.
4079 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4081 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4083 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4085 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4086 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4087 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4088 * configure: Regenerated.
4090 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4092 * loop.c (strength_reduce): Fix typo.
4094 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4096 * m88k/m88k.c (struct option): Rename to struct options.
4097 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4098 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4099 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4100 __DOLPHIN__ or sysV88.
4102 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4104 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4107 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4109 * config.sub: Accept 'amigados' for backward compatability.
4111 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4113 * Makefile.in (testsuite/site.exp): New target.
4114 (check-gcc, check-g++): Depend on testsuite/site.exp.
4115 Don't stop for failure.
4117 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4119 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4120 if DWARF2_UNWIND_INFO.
4122 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4124 Add support for exception handling using DWARF 2 frame unwind info.
4125 Currently works on SPARC and MIPS, and almost on x86.
4127 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4128 next_stack_level, in_reg_window): Helper fns.
4129 (__throw): Implement for DWARF2_UNWIND_INFO.
4131 * expr.c (expand_builtin): Handle builtins used by __throw.
4132 * tree.h (enum built_in_function): Add builtins used by __throw.
4133 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4134 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4135 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4136 (expand_builtin_extract_return_addr): Likewise.
4137 (expand_builtin_frob_return_addr): Likewise.
4138 (expand_builtin_set_return_addr_reg): Likewise.
4139 (expand_builtin_eh_stub): Likewise.
4140 (expand_builtin_set_eh_regs): Likewise.
4141 (eh_regs): Choose two call-clobbered registers for passing back values.
4143 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4144 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4145 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4146 (stmp-multilib): Likewise.
4147 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4149 * except.c: #include "defaults.h".
4150 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4151 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4152 (register_exception_table_p): New fn.
4153 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4154 (end_eh_unwinder): Likewise.
4156 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4157 call __register_frame and __deregister_frame as needed.
4158 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4159 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4160 EH_FRAME_SECTION_ASM_OP.
4161 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4162 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4163 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4165 * dwarf2out.c (output_call_frame_info): If no support for
4166 EXCEPTION_SECTION, mark the start of the frame info with a
4168 * collect2.c (frame_tables): New list.
4169 (is_ctor_dtor): Recognise frame entries.
4170 (scan_prog_file): Likewise.
4171 (main): Pass -fno-exceptions to sub-compile. Also do collection
4172 if there are any frame entries.
4173 (write_c_file_stat): Call __register_frame_table and
4174 __deregister_frame as needed.
4175 (write_c_file_glob): Likewise.
4177 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4178 Also require unaligned reloc support.
4179 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4180 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4181 * sparc/sysv4.h: Not here.
4183 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4184 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4185 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4187 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4188 EH implementations to the top.
4189 (find_exception_handler): Split out. Start from 0. Compare against
4191 (__find_first_exception_table_match): Use it.
4192 * except.c (output_exception_table): Don't do anything if there's
4193 no table. Don't output a first entry of zeroes.
4194 (eh_outer_context): Adjust properly.
4195 (add_eh_table_entry): Use xrealloc.
4196 * toplev.c (compile_file): Just call output_exception_table.
4198 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4200 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4202 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4204 * except.c (eh_outer_context): Do masking using expand_and.
4206 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4208 Add port done awhile ago for the ARC cpu.
4209 * arc/arc.h: New file.
4210 * arc/arc.c: New file.
4211 * arc/arc.md: New file.
4212 * arc/initfini.c: New file.
4213 * arc/lib1funcs.asm: New file.
4214 * arc/t-arc: New file.
4215 * arc/xm-arc.h: New file.
4216 * ginclude/va-arc.h: New file.
4217 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4218 * ginclude/varargs.h: Likewise.
4219 * Makefile.in (USER_H): Add va-arc.h.
4220 * configure.in (arc-*-elf*): Recognize.
4221 * longlong.h: Add ARC support.
4223 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4225 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4226 when clearing non-BLKmode data.
4228 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4230 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4231 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4233 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4235 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4237 * Makefile.in (clean): Delete libgcc1-test.
4239 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4241 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4243 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4246 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4248 * dwarf2out.c (output_call_frame_info): Call named_section.
4250 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4252 * haifa-sched.c (print_value): Fix last change.
4254 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4256 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4259 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4261 * mips.c (function_prologue): Set up the CFA when ABI_32.
4263 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4264 for dwarf2 unwind info.
4265 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4267 * final.c (final_end_function): Check dwarf2out_do_frame instead
4268 of DWARF2_DEBUG for dwarf2 unwind info.
4269 (final_scan_insn): Likewise.
4270 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4273 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4276 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4278 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4280 * v850.h (ASM_SPEC): Pass on target processor.
4281 (CPP_PREDEFINES): Only define if not already specified.
4282 (TARGET_VERSION): Only define if not already specified.
4283 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4285 (EXTRA_SWITCHES): Extra entries in the switches array.
4286 (TARGET_DEFAULT): Set default target processor.
4288 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4290 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4291 cases, add %# and %/, and add : to make them into extended asms.
4293 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4295 * alias.c (init_alias_analysis): Clean up incompatible pointer
4296 type warning in bzero.
4297 * regmove.c (regmove_optimize): Ditto.
4298 * haifa-sched.c (find_rgns): Ditto.
4300 * haifa-sched.c (print_value): Clean up ptr->int cast
4303 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4305 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4306 * install.texi (Configurations): Ditto.
4307 * config.sub: Ditto.
4309 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4311 * Makefile.in (sdbout.o): Depend on insn-config.h.
4313 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4315 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4316 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4318 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4320 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4321 prologue insn, only the first elt is significant.
4322 (output_call_frame_info): For exception handling, always use 4-byte
4323 fields as specified by the dwarf2 spec.
4324 Don't skip trivial FDEs.
4326 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4328 * version.c: Bump for snapshot.
4330 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4332 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4333 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4336 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4338 * final.c (shorten_branches): During first pass, assume worst
4339 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4341 * Makefile.in (distclean): Remove various things left around
4342 by running the testsuite.
4344 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4346 * configure.in (out_file): Emit definition to config.status in order
4347 to have a defined value for configure.lang.
4348 * configure: Re-built.
4350 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4352 * configure.in: Make symlink to as-new rather than as.new. Similarly
4354 * configure: Rebuilt.
4356 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4358 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4360 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4362 * sparc/sparc.md: Add ultrasparc scheduling support.
4363 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4365 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4367 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4368 as initial value for real_label_map.
4369 (copy_for_inline): Likewise.
4371 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4373 * sched.c (update_flow_info) When looking if to set found_split_dest
4374 or found_orig_dest, look at all parts of a PARALLEL.
4375 * haifa-sched.c (update_flow_info): Likewise.
4377 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4379 * v850: New directory for v850 port.
4380 * v850/lib1funcs.asm: New file.
4381 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4382 * ginclude/va-v850.h: New file.
4383 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4384 * configure.in (mn10200-*-*): New target.
4385 * configure: Rebuilt.
4386 * config.sub: Handle v850-elf.
4387 * Makefile.in (USER_H): Add va-mn10200.h.
4388 * invoke.texi: Document v850 stuff.
4390 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4392 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4393 has integer TYPE_{MAX,MIN}_VALUE before using them.
4395 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4396 __HPUX_ASM__ versions.
4398 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4400 * install.sh: Delete duplicate install script.
4402 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4404 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4405 computed goto which sets the same stack register.
4407 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4408 destination are both on the regstack.
4409 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4411 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4413 * mips.md (nonlocal_goto_receiver): Define.
4415 * profile.c (output_arc_profiler): Check next_insert_after for non
4416 NULL before deferencing it.
4418 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4420 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4422 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4424 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4426 * toplev.c (rest_of_compilation): For passes starting with
4427 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4429 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4432 * flow.c (print_rtl_with_bb): Print which insns start and end
4433 basic blocks. For the start of a basic block, also print the live
4436 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4438 * toplev.c (main): Change #elif to #else/#ifdef
4440 * tlink.c: Include ctype.h.
4441 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4443 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4445 * bitmap.c: Conditionally include stdlib.h.
4446 (free): Provide a declaration if NEED_DECLARATION_FREE.
4448 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4450 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4452 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4454 * profile.c (output_arc_profiler): Verify next_insert_after is an
4455 INSN before and after skipping a stack pop.
4457 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4459 * final.c (shorten_branches): Don't count the lengths of deleted
4462 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4464 * version.c: Bump for snapshot.
4466 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4468 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4469 two bitmaps ANDed together.
4470 (bitmap_print): Declare.
4472 * bitmap.c (function_obstack): Don't declare any more.
4473 (bitmap_obstack): Obstack for allocating links from.
4474 (bitmap_obstack_init): New static to say whether to initialize
4476 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4477 (bitmap_release_memory): Free all memory allocated from
4480 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4481 EXECUTE_IF_AND_IN_BITMAP.
4483 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4485 * alias.c (true_dependence): Address with AND can alias scalars.
4486 (anti_dependence, output_dependence): Likewise.
4488 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4490 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4492 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4493 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4494 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4495 definitions. Use -qrtems instead of -mrtems.
4497 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4499 * xm-sco5.h (sys_siglist): Define.
4500 (SYS_SIGLIST_DECLARED): Likewise.
4502 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4504 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4506 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4508 * except.c (eh_outer_context): Expand masking operation using
4511 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4513 * alpha.md (floatdisf2-1): New pattern.
4515 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4517 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4518 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4519 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4520 * gcc.texi: Note that if you define sys_siglist that you should
4521 also define SYS_SIGLIST_DECLARED.
4523 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4524 are relative to the next instruction, not the current instruction.
4526 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4528 * local-alloc.c (contains_replace_regs): New function.
4529 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4530 verify that there is no existing REG_EQUIV note, and add a call to
4531 contains_place_regs.
4533 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4535 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4536 (STARTFILE_SPEC): Always use crtbegin.o%s
4537 (ENDFILE_SPEC): Always use crtend.o%s.
4539 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4541 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4543 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4544 SFmode for 64 bit hosts.
4546 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4548 * fixincludes: Permits spaces between # and define. Discard C++
4549 comments in sys/pci.h on HP/UX 10.20.
4551 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4553 * version.c: Bump for snapshot.
4555 * pa.c (restore_unscaled_index_insn_codes): New function.
4556 (record_unscaled_index_insn_codes): Likewise.
4557 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4558 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4559 (pa_reorg): Call record_unscaled_index_insn_codes.
4561 * haifa-sched.c (move_insn): Handle notes correctly for insns
4562 with SCHED_GROUP_P set.
4564 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4566 * alpha/xm-linux.h (USE_BFD): Undef before define.
4568 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4570 * cse.c (cse_insn): Don't record BLKmode values.
4572 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4574 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4576 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4578 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4579 * collect2.c (sys_errlist): Likewise.
4580 * cpplib.c (sys_errlist): Likewise.
4581 * gcc.c (sys_errlist): Likewise.
4582 * protoize (sys_errlist): Likewise.
4583 * configure.in: Check for strerror.
4584 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4585 * xm-gnu.h (HAVE_STRERROR): Likewise.
4586 * xm-linux.h (HAVE_STRERROR): Likewise.
4587 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4588 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4589 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4590 * xm-dos.h (HAVE_STRERROR): Likewise.
4591 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4592 * xm-pa.h (HAVE_STRERROR): Likewise.
4593 * xm-papro.h (HAVE_STRERROR): Likewise.
4594 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4595 * configure, config.in: Rebuilt.
4597 * Makefile.in: Add several missing "else true" clauses.
4599 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4600 * mips-tfile.c: Likewise.
4601 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4602 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4603 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4604 * configure.in: Check for sys_siglist declaration.
4605 * configure, config.in: Rebuilt.
4607 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4609 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4610 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4611 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4612 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4613 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4614 macro EXTRA_SUBTARGET_SWITCHES.
4615 * configure.in (sh*-*-rtems*): New target.
4616 * sh/rtems.h: New file.
4617 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4618 * configure: Rebuilt.
4620 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4622 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4624 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4626 * rs6000.md: Make DF fused-add operations pay attention to
4629 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4631 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4633 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4635 * pa.md (reload_peepholes): Make sure operand is a REG before
4636 examining REGNO. Allow general registers too.
4638 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4640 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4642 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4644 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4645 to reallocate abbrev_die_table.
4647 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4649 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4651 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4653 * Makefile.in (config.status): Depend on version.c
4655 * expr.h (insn_gen_function): Reenable prototype.
4657 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4660 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4662 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4664 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4666 * version.c: Bump for latest snapshot.
4668 * bc-optab.c: Conditionally include stdlib.h.
4669 (free): Provide a declaration if NEED_DECLARATION_FREE.
4670 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4671 * rtl.h (free): Remove declaration.
4672 * tree.h (free): Remvoe declaration.
4674 * configure: Rebuilt.
4676 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4678 * flags.h (flag_move_all_movables): Declare.
4679 (flag_reduce_all_givs): Likewise.
4680 * loop.c (move_movables): Handle flag_move_all_movables.
4681 (strength_reduce): Handle flag_reduce_all_givs.
4682 * toplev.c (flag_move_all_movables): Define.
4683 (flag_reduce_all_givs): Likewise.
4684 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4685 * invoke.texi: Document new options, including alias stuff that
4686 wasn't included last time.
4688 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4690 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4693 * t-vxworks68: Ditto.
4694 * t-vxworks960: Ditto.
4697 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4699 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4700 if not already defined, and USE_C_ALLOCA not defined.
4702 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4704 * config.guess: Replace with script that uses ../config.guess.
4706 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4707 if USE_GNULIBC_1 is not defined.
4709 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4711 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4712 * config.guess: Recognize alpha-linux-gnulibc1.
4713 * configure.in (alpha-*-linux-gnulibc1): New target.
4714 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4716 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4718 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4721 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4723 * loop.c (combine_movables): Earlier insns don't match later ones.
4725 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4727 * config/linux.h (CC1_SPEC): Define it only if not defined.
4729 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4732 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4733 USE_GNULIBC_1 is not defined.
4735 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4737 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4738 as 1 if USE_GNULIBC_1 is not defined.
4740 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4742 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4743 to be something other than a REG.
4744 * function.c (expand_function_end): Fix current_function_return_rtx
4747 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4748 * x-netbsd: Likewise
4749 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4750 (INSTALL_HEADERS): Delete.
4751 * x-dguxbcs: Likewise.
4752 * x-hp3bsd44: Likewise
4755 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4757 * i386.md (pop): pop increments the stack pointer.
4758 (prologue_set_stack_ptr): New pattern.
4759 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4762 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4764 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4765 address where an offsettable address is required.
4767 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4769 * loop.c (check_final_value): Don't miss a biv increment in a
4772 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4774 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4775 TYPE_DECL_IS_STUB instead of DECL_NAME.
4777 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4779 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4781 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4783 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4785 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4787 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4788 (find_post_sched_live): Likewise.
4790 * haifa-sched.c (schedule_block): Remove old code to get arguments
4791 from hard regs into pseudos early.
4793 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4795 * version.c: Bump for new snapshot.
4797 * local-alloc.c (update_equiv_regs): All the target to reject
4798 promotion of some REG_EQUAL to REG_EQUIV notes.
4799 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4801 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4804 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4805 store of the argument registers.
4807 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4809 * fold-const.c (multiple_of_p): New function.
4810 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4812 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4814 * expr.h (insn_gen_function): Temporarily remove prototype.
4816 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4818 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4819 filenames. Use sed to extract base filename for install.
4821 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4823 * unroll.c (find_splittable_givs): Only share if two givs have the
4824 same add and multiply values.
4826 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4828 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4829 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4831 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4833 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4834 around branch tables.
4835 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4836 and .end_brtab directives if TARGET_GAS.
4838 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4840 * alias.c (true_dependence): Pass x_addr not x to varies.
4842 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4843 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4844 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4846 * config.in, configure: Regenerate.
4848 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4850 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4852 (record_set): Handle LO_SUM like PLUS.
4853 (init_alias_analysis): When following chains of base addresses,
4854 do not stop on reaching a hard register.
4856 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4858 * version.c: Bump for new snapshot.
4860 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4862 * alpha.h (ARCH_ASM_FILE_START): Define.
4863 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4864 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4866 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4868 * Makefile.in (install-common): Put gcov comment at start of line.
4870 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4872 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4873 array, simplify entries for hard registers too.
4875 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4877 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4880 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4882 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4883 block_stack before dereferencing it.
4885 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4887 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4889 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4891 * cplus-dem.c: Add 'extern' to prepends_underscore.
4893 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4895 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4896 (get_issue_rate): Delete.
4897 * pa.h (ISSUE_RATE): Define.
4899 * configure.in: Turn on haifa by default for the PA.
4900 * configure: Rebuilt.
4901 * pa.c (override_options): Accept -mschedule=7200 option.
4902 (pa_adjust_cost): No longer need to scale costs for newer
4904 * pa.h (enum processor_type): Add PROCESSOR_7200.
4905 * pa.md: Revamp scheduling parameters to work better with
4906 haifa. Add scheduling parameters for the 7200.
4908 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4910 (schedule_block): When adjusting basic_block_{head,end}, account
4911 for movement of SCHED_GROUP_P insns too.
4913 * haifa-sched.c (debug_dependencies): Fix thinko.
4915 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4916 (site.exp, check, check-g++, check-gcc): New targets.
4918 * haifa-sched.c: Make lots of variables static.
4920 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4922 * expr.h, real.h: Finish prototyping.
4924 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4926 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4927 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4928 * reload1.c: Undo bugfix from Aug 11.
4930 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4932 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4933 quotes around the name.
4934 * configure: Regenerate.
4936 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4938 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4940 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4942 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4943 to sub-makes to avoid building more passes than the user might have
4944 requested on the command line.
4946 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4948 * configure.in: Expurgate `broken_install' (install is
4951 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4954 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4956 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4957 functions and declarations.
4958 (analyze_loop_iterations): Use condjump_p.
4959 (insert_bct): Likewise. Use exact_log2.
4961 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4963 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4964 (schedule_region): Likewise.
4965 (schedule_insns): Likewise.
4967 * PROJECTS: Update with Haifa stuff.
4969 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4971 * version.c: Change the version string to look like:
4972 egcs-2.90.00 970814 (gcc2-970802 experimental).
4974 * loop.c (is_conditional_branch): Make definition match declaration.
4976 * gcc.c: Take out experimental snapshot warning message.
4978 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4980 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4981 print out the names of the notes. Print out the name of the insn
4982 that is not a note, and not an {,CALL_,JUMP_}INSN.
4984 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4986 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4987 again for the slot after we give it RTL.
4989 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4991 * configure.in (haifa configury): Fix typo.
4992 * configure: Regenerate.
4994 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4996 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4998 * gcc.info*: Rebuilt.
5000 * COPYING.g77, README.g77: New files.
5001 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5002 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5003 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5005 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5007 * Integrate Haifa instruction scheduler.
5008 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5009 to sched with $(SCHED_CFLAGS.
5010 * configure.in: Handle --enable-haifa.
5011 * configure: Rebuilt.
5012 * flags.h: Add new flags for haifa instruction scheduler.
5013 * genattrtab.c (expand_units): For haifa, don't subtract one
5014 when computing blockage.
5015 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5016 (flag_schedule_speculative): Ditto.
5017 (flag_schedule_speculative_load): Ditto.
5018 (flag_schedule_speculative_load_dangerous): Ditto.
5019 (flag_schedule_reverse_before_reload): Ditto.
5020 (flag_schedule_reverse_after_reload): Ditto.
5021 (flag_branch_on_count_reg): Ditto.
5022 (f_options): Add Haifa switches.
5023 (main): Turn off some Haifa options if appropriate macro is
5024 defined. Process Haifa switches.
5025 * unroll.c (iteration_info): No longer static, since Haifa
5027 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5028 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5029 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5030 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5031 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5032 storage for the Haifa scheduler.
5033 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5035 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5036 are defined, call analyze_loop_iterations and insert_bct to use
5038 (record_giv): Refine test for jumps out of loops if HAIFA is
5040 (analyze_loop_iterations): New function to identify if we can use
5042 (insert_bct): Insert countdown loop.
5043 (instrument_loop_bct): Low level code to insert countdown loop.
5044 (loop_number): Calculate UID of loop.
5045 (indirect_jump_in_function_p): Return true if an indirect jump is
5047 (is_power_of_2): Return true if value is a power of 2.
5048 (is_conditional_branch): Return true if insn is a conditional
5050 (fix_bct_param): Process -fbct-{min,max}-N switches.
5051 (check_bct_param): Return true if loop should be instrumented.
5052 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5053 (loop_optimize): Initialize.
5054 (get_condition_for_loop): Ditto.
5055 * loop.c (strength_reduce): Inside of code that uses #ifdef
5056 HAVE_decrement_and_branch_on_count code, test it to make sure the
5058 (instrument_loop_bct): Ditto.
5059 * haifa-sched.c: New file.
5062 * Integrate regmove pass.
5063 * Makefile.in (OBJS): Add regmove.o
5064 (regmove.o): Add dependencies.
5065 * flow.c (find_use_as_address): No longer static.
5066 * rtl.h (find_use_as_address): Declare.
5067 * toplev.c (regmove_dump, flag_regmove): Define.
5068 (f_options): Add -fregmove.
5069 (regmove_dump_file, regmove_time): Define.
5070 (fatal_insn): Close the regmove dump file.
5071 (compile_file): Initialize regmove_time; open/close the regmove dump
5072 file as needed. Print regmove time as needed.
5073 (rest_of_compilation): Run regmove pass if requested, dump
5074 RTL after regmove if requested.
5075 (main): If -O2 or more, turn on regmove. Handle dump switches.
5076 * regmove.c: New file.
5078 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5080 * Integrate tlink patch from jason@cygnus.com
5081 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5082 (process_command): Increment n_switches for them. Don't discard
5083 their args. Validate them.
5084 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5086 (process_command): Set include_prefixes from COMPILER_PATH.
5087 (main): Set COLLECT_GCC_OPTIONS sooner.
5088 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5089 * tlink.c, hash.c, hash.h: New files.
5090 * Makefile.in (USE_COLLECT2): Always use collect2.
5091 (collect2): Depend on and link in hash.o and tlink.o.
5092 (tlink.o, hash.o): Add dependencies.
5094 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5096 * Integrate alias analysis changes from jfc@mit.edu
5097 * Makefile.in (OBJS): Add alias.o
5098 (alias.o): Add dependencies.
5099 * alias.c: New file.
5100 * sched.c: Remove alias analysis code. It lives in alias.c now.
5101 (sched_analyze_2): Add new arguments to true_dependence.
5102 (schedule_insns): Always call init_alias_analysis.
5103 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5104 mark return value from such functions as a pointer and keep track of
5105 them for alias analysis. If a return value from a function is a
5106 pointer, mark it as such.
5107 * combine.c (distribute_notes): Handle REG_NOALIAS.
5108 * cse.c (struct write_data): Delete. No longer needed.
5109 (invalidate): Don't call set_nonvarying_address_components anymore.
5110 Use true_dependence to decide if an entry should be removed from
5112 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5114 (note_mem_written): Similarly for WRITE_PTR argument.
5115 (invalidate_from_clobbers): Similarly for W argument.
5116 (invalidate_for_call): Remove memory elements from the hash table.
5117 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5118 (cse_rtx_varies_p): New function. Derived from old
5119 cse_rtx_addr_varies_p.
5120 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5121 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5122 pointer if PUSH_ROUNDING is defined. No longer need to call
5123 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5124 (skipped_writes_memory): Remove variable.
5125 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5126 (invalidate_skipped_block): Simplify for new alias analysis code.
5127 (cse_set_around_loop): Likewise.
5128 (cse_main): Call init_alias_analysis.
5129 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5130 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5131 (f_options): Add new alias checking arguments.
5132 (main): Set flag_alias_check when optimizing.
5133 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5135 (memref_referenced_p): Likewise.
5136 * loop.c (NUM_STORES): Increase to 30.
5137 (prescan_loop): Only non-constant calls set unknown_address_altered.
5138 (invariant_p): Add new arguments to true_dependence.
5139 (record_giv): Initialize unrolled and shared fields.
5140 (emit_iv_add_mult): Call record_base_value as needed.
5141 * loop.h (struct induction): Add unrolled and shared fields.
5142 * unroll.c (unroll_loop): Call record_base_value as needed.
5143 (copy_loop_body): Likewise.
5144 (final_biv_value): Likewise.
5145 (final_giv_value): Likewise.
5146 (find_splittable_regs): Likewise. Only create one new pseudo
5147 if we have multiple address GIVs that were combined with the same
5148 dst_reg GIV. Note when a new register is created due to unrolling.
5149 * rtl.c (reg_note_name): Add REG_NOALIAS.
5150 * rtl.h (enum reg_note): Similarly.
5151 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5152 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5153 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5154 (true_dependence, read_dependence, anti_dependence): Likewise.
5155 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5156 (mark_user_reg, mark_reg_pointer): Likewise.
5159 * Integrate reload bugfix from Wilon which enables the PA port
5161 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5162 OPERAND_ADDRESS when computing how many registers an insn needs.
5163 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5165 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5167 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5168 in reload_reg_use_in_op_addr do not reach the end.
5169 do not reach the end.
5170 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5171 RELOAD_FOR_OPERAND_ADDRESS.
5173 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5175 * egcs project officially starts.