1 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
3 * mips/t-r3900: New - same as t-ecoff but eliminate
4 multilibs: mips1 and mips3.
5 * configure.in (tx39*): Use new mips/t-r3900.
7 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
9 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
11 * dwarf2out.c: Add old_args_size.
12 (dwarf2out_args_size): Use it.
13 (dwarf2out_begin_prologue): Initialize it.
14 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
15 pushed args until we see a call.
16 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
17 before outputting them.
19 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
21 * cplus-dem.c (demangle_template_template_parm): New function.
22 (demangle_template): Handle template template parameters.
24 1998-02-02 Mark Mitchell <mmitchell@usa.net>
26 * calls.c (expand_call): Don't confuse member functions named
27 realloc, setjmp, and so forth with the standard library
28 functions of the same names.
30 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
32 * stmt.c (expand_asm_operands): Correctly identify asm statements
35 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
37 * c-common.c (decl_attributes): Flag unrecognized attribute
38 functions as warnings instead of as errors.
40 1998-02-05 Marc Lehmann <pcg@goof.com>
42 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
43 when -Os is specified.
44 * toplev.c (main): Don't disable flag_inline_functions anymore when
47 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
50 * flags.h (flag_regmove): Declare.
51 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
52 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
53 Moved into regmove; changed caller.
54 * toplev.c (rest_of_compilation): Call regmove_optimize also for
55 expensive_optimizations.
57 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
59 * version.c: Bump for snapshot.
61 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
62 Undo this change (the problem was actually in reload):
63 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
65 * sh.md (movqi_i+1): New peephole.
67 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
69 * jump.c (jump_optimize): Lose calls to modified_in_p they are
70 not needed anymore due to changes elsewhere in jump.c.
72 * jump.c (jump_optimize): Fix first arg to modified_in_p in
75 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
77 * expr.c (expand_builtin_setjmp): Accept two new arguments for
78 the labels to branch to on first and subsequent executions. Don't
79 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
80 and provide it with the jmp_buf. Use only one of
81 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
82 and provide the former with the target label.
83 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
84 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
85 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
86 insn to replace all of the normal nonlocal_goto code. Don't play
87 with __dummy. Correct arguments to nonlocal_goto.
88 * expr.h (expand_builtin_setjmp): Update prototype.
89 * except.c (start_dynamic_handler): When using builtin_setjmp,
90 generate more accurate flow information.
92 * alpha.md (nonlocal_goto_receiver_osf): Delete.
93 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
94 (builtin_longjmp, builtin_setjmp_receiver): New.
95 * sparc.md (update_return): Disambiguate unspec number.
96 (nonlocal_goto): Rearrange arguments to match caller in except.c.
97 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
99 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
100 (builtin_setjmp_setup*, builtin_longjmp): New.
102 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
104 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
106 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
108 * vmsconfig.com: Remove bytecode references.
110 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
112 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
113 -fno-sjlj-exceptions works for a target that defines
114 DWARF2_UNWIND_INFO as zero.
116 * regmove.c (fixup_match_1): Undo last change which removed some
117 "useless" code, and add a comment explaining this.
119 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
121 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
124 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
126 * makefile.vms: Remove bytecode references.
129 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
131 * jump.c (jump_optimize): Allow conditional loading of floating point
132 constants and constants from memory. Reinstalled modified_in_p tests.
134 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
136 * loop.c (get_condition): Handle sign-extended constants.
138 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
140 * expr.c (emit_push_insn): Add code to use movstrti if present.
142 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
143 and movstrqi as in emit_block_move ().
145 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
147 * config/m68k/x-next: Remove /NextDeveloper/Headers from
148 the directories to fixinclude - /usr/include is a link
149 to it and hence its contents are fixed by default.
151 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
153 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
155 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
157 * cccp.c (main): Predefine __VMS_VER on VMS.
159 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
161 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
162 * fold-const.c (size_int): Replace with
164 (make_bit_field_ref): Use bitsize_int for bit position.
165 * stor-layout.c (sizetype): Delete.
166 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
167 (layout_record, layout_union, layout_type):
168 Use bitsize_int for bit size.
169 (set_sizetype): New function.
170 (make_signed_type, make_unsigned_type): Use it.
171 * c-decl.c (init_decl_processing): Likewise.
172 * tree.h (size_int): Don't delcare, #define.
173 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
174 (set_sizetype): Declare.
175 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
177 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
178 Convert result to sizetype.
179 (really_start_incremental_init, push_init_level):
180 Set type of constructor_bit_index to sbitsizetype.
181 (push_init_level): Use unsigned arithmetic to determine padding.
182 (output_init_element): Likewise.
184 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
186 * combine.c (simplify_shift_const): Fix typo in last change.
188 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
190 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
191 is (truncate (lshiftrt)).
193 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
195 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
196 Make sure result winds up in TGT.
197 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
198 src to be other than DImode.
199 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
200 (alpha_expand_unaligned_store_words): Likewise.
201 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
202 that source and destination are separately optimized for alignment.
203 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
205 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
207 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
208 with handling of -32768.
210 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
212 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
213 shell variable argument instead of only hard coded functions.
214 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
216 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
217 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
218 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
219 declarations for bcopy, bcmp and bzero.
221 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
223 * gansidecl.h: If we have bcopy but don't declare it, then do so.
224 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
225 bzero, index and rindex if they aren't already present.
227 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
229 * toplev.c (close_dump_file): Wrap function prototype for
230 argument "func" in PROTO.
231 (dump_rtl): Likewise.
233 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
235 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
237 (output_function_epilogue): Omit epilogue if nothing drops through.
238 (output_move_double): Supress int ldd usage on ultrasparc and v9.
239 (registers_ok_for_ldd_peep): Likewise.
240 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
241 (ultrasparc_adjust_cost): New function.
242 (sparc_issue_rate): New function.
243 * sparc.h (MASK_VIS, TARGET_VIS): New
244 (MASK_V8PLUS, TARGET_V8PLUS): New.
245 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
246 (TARGET_SWITCHES): Add vis and v8plus.
247 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
248 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
249 (RTX_COSTS): Use TARGET_HARD_MUL
250 (ADJUST_COST): Call ultrasparc_adjust_cost.
252 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
253 of load & fp appropritely.
254 (supersparc function units): Adjust for Haifa.
255 (ultrasparc function units): Likewise.
256 (get_pc_via_rdpc): All v9, not just arch64.
257 (movdi_v8plus, movdi_v8plus+1): New.
258 (adddi3_sp32+1): New.
259 (subdi3_sp32+1): New.
260 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
261 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
262 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
263 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
264 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
265 (ldd peepholes): Suppress for v9.
266 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
267 (return_subsi): Revmove.
269 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
271 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
272 save/restore MEM rtl.
274 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
276 * configure.in: Check for declaration of abort.
277 * acconfig.h: Corresponding changes.
278 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
281 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
283 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
286 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
288 * version.c: Bump for snapshot.
290 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
292 * configure.in: Check for atoq and atoll.
293 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
294 proper routine for converting ascii into long long values.
296 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
298 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
300 * vmsconfig.com: Remove bytecode references.
302 * alpha/vms.h (PREFIX): Define.
304 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
306 * am-alpha.h: Don't include alloca for OPEN_VMS.
308 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
310 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
311 (GCC_INCLUDE_DIR): Define
313 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
314 * makefile.vms: New file.
316 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
318 * alpha.c (output_prolog): Output '.name' directive
319 for minimal traceback information.
321 * alpha.c (output_prolog): Don't prepend entry point symbols
322 with '$' on OPEN_VMS.
324 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
325 Jeffrey A Law (law@cygnus.com)
327 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
330 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
332 * genemit.c (gen_exp): Likewise.
333 * genpeep.c (match_rtx): Likewise.
334 * genrecog.c (write_tree_1): Likewise.
336 * c-lex.c (yyprint): Use proper format string based upon
337 disposition of HOST_BITS_PER_WIDE_INT.
338 (yylex): Put casts in right place for args to build_int_2.
340 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
342 * combine.c: Fix typos in Jan27 changes.
344 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
346 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
347 (LINK_SPEC): Likewise.
348 (STARTFILE_SPEC): Likewise.
350 1998-01-28 Mike Stump <mrs@wrs.com>
352 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
354 * genattrtab.c (reload_completed): Define.
356 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
359 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
361 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
362 SUBREG_REG if the word count is unchanged, also in the input reload
363 case. Disable non-applicable sanity checks.
365 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
367 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
369 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
371 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
373 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
375 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
376 is a TREE_VEC before trying to use it for baseclasses.
377 (Chill uses the same field for a different purpose.)
379 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
381 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
383 * config.sub: More accurate determination of HP processor types.
385 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
388 prototype for `handle_sysv_pragma', and make it static. Add
389 parentheses around assignment used as truth value.
391 * combine.c (combine_instructions): Protect variable `prev' with
393 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
394 (extract_left_shift): Add parentheses around operand of &.
395 (merge_outer_ops): Avoid an empty body in an else-statement.
396 (gen_rtx_combine): Remove unused variable `i'.
398 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
399 function monstartup `void'. Likewise for internal_mcount. Add
400 `static void' prototype for moncontrol. Reconcile sprintf format
403 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
404 Make return type of function_arg_slotno explicitly `int'.
405 (reg_unused_after): Add parentheses around assignment used as
407 (save_regs): Add explicit braces to avoid ambiguous `else'.
408 (function_arg_slotno): Add parentheses around && within ||.
409 (function_arg_pass_by_reference): Likewise.
410 (sparc_flat_output_function_prologue): Reconcile fprintf format
413 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
414 assignment used as truth value.
416 * cplus-dem.c: Include <stdlib.h>.
417 (demangle_signature): Avoid an empty body in an else-statement.
418 (do_type): Remove unused variable `lvl'.
420 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
421 Include <string.h>/<strings.h>.
422 (cpp_lex): Remove unused variable `namelen'.
423 (cpp_lex): Explicitly declare `num_chars' as an int.
425 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
426 <unistd.h> instead. Explicitly declare is_system_include
428 (make_assertion): Remove unused variable `kt'.
429 (cpp_expand_to_buffer): Hide variable `obuf'.
430 (output_line_command): Remove unused variables, `line_end',
431 `line_cmd_buf' and `len'.
432 (macarg): Remove unused variable `arg_start'.
433 (special_symbol): Remove unused variable `i'. Add parentheses
434 around assignment used as truth value.
435 (do_include): Remove unused variables `pcfname' and `retried',
436 hide `pcf' and `pcfbuflimit'.
437 (do_line): Remove unused variable `i'.
438 (finclude): Hide variable `missing_newline'.
439 (cpp_handle_options): Remove unused variable `j'.
440 (read_token_list): Remove unused variable `eofp'.
441 (cpp_error_with_line): Remove unused variable `i'.
442 (cpp_warning_with_line): Likewise.
443 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
444 (cpp_error_from_errno): Remove unused variable `i'.
446 * cse.c (invalidate): Add parentheses around assignment used as
448 (find_best_addr): Move declaration of variable `our_cost' inside
449 the conditional macro where its used.
450 (fold_rtx): Avoid an empty body in an if-statement.
451 (cse_insn): Wrap variables `this_insn_cc0_mode' and
452 `this_insn_cc0' in macro HAVE_cc0.
454 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
455 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
456 (output_uleb128): Likewise.
457 (output_sleb128): Likewise.
458 (output_cfi): Likewise.
459 (output_call_frame_info): Remove unused variables `j', `fde_size'
461 (comp_unit_has_inlines): Hide declaration as per rest of file.
462 (size_of_line_prolog): Correct typo in prototype.
463 (add_arange): Likewise.
464 (output_aranges): Likewise.
465 (add_name_and_src_coords_attributes): Likewise.
466 (gen_array_type_die): Likewise.
467 (gen_inlined_subroutine_die): Likewise.
468 (equate_decl_number_to_die): Remove unused variable `i'.
469 (print_die): Reconcile format vs. args in fprintf's.
470 (print_dwarf_line_table): Likewise.
471 (output_die): Likewise.
472 (output_line_info): Likewise.
473 (add_subscript_info): Avoid an empty body in an else-statement.
474 (gen_subprogram_die): Remove unused variable `fp_loc'.
476 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
477 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
478 macro. Protect `src_coords_attribute' prototype with
479 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
480 prototype as in the rest of the file. Likewise for
481 `output_pointer_type_die' and `output_reference_type_die'. Remove
482 prototype for `type_of_for_scope'.
483 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
484 (type_attribute): Add explicit braces to avoid ambiguous `else'.
486 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
487 (shorten_branches): Protect declaration of tmp_length with
488 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
489 (profile_function): Protect declaration of `sval' and `cxt'
490 variables with appropriate macros.
491 (final_scan_insn): Likewise for `note' variable. Add explicit
492 braces to avoid empty body in an if-statement.
493 (output_asm_insn): Move variable `i' inside macro conditional
494 where it is used. Add parentheses around assignment used as truth
496 (asm_fprintf) Likewise, likewise.
498 * fix-header.c (main): Remove unused variable `done'. Protect
499 declaration of `i' with FIXPROTO_IGNORE_LIST.
501 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
503 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
506 * profile.c: Include <string.h>/<strings.h>.
507 (instrument_arcs): Remove unused variables `note', `inverted',
508 `zero' and `neg_one'.
509 (branch_prob): Avoid empty body in an if-statement.
511 * regclass.c: Include <stdlib.h>.
512 (reg_alternate_class): Explicitly declare parameter `regno'.
514 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
515 parentheses around assignment used as truth value.
516 (find_matches): Remove unused variables `output_operand' and
518 (fixup_match_1): Remove statement with no effect: "if (0) ;".
520 * scan.c (sstring_append): Explicitly declare `count' as int.
521 (scan_string): Explicitly declare parameter `init' as int.
523 * sched.c: Include <stdlib.h>.
524 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
525 (rank_for_schedule): Add parentheses around assignment used as
527 (schedule_block): Likewise.
528 (regno_use_in): Likewise.
529 (schedule_insns): Remove unused variable `i'.
531 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
532 (v_message_with_decl): Remove unused variable `n'.
533 (botch): Explicitly declare parameter `s' as char *.
534 (main): Add parentheses around assignment used as truth value.
536 * tree.c (make_node): Protect the variable `kind' with the
537 GATHER_STATISTICS macro.
538 (real_value_from_int_cst): Move variable `e' inside conditional
539 macro area where it is used.
540 (tree_last): Add parentheses around assignment used as truth value.
541 (build1): Protect the variable `kind' with the GATHER_STATISTICS
543 (print_obstack_statistics): Reconcile format vs. args in fprintf.
544 Protect variables `i', `total_nodes', and `total_bytes' with the
545 GATHER_STATISTICS macro.
547 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
549 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
550 some comments regarding use of dead_or_set_p.
552 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
554 * fixincludes: Tweak fix for struct exception in math.h
556 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
558 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
559 Change mode of registers used to add/sub from
560 hard_frame_pointer_rtx from word_mode to Pmode.
562 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
564 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
565 asm_output_aligned_bss() instead of asm_output_bss().
567 * toplev.c (rest_of_compilation): Replace references to
568 stack_reg_dump_file and dbr_sched_dump_file with references to
571 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
573 * tlink.c (scan_linker_output): Call fclose() for opened files.
575 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
577 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
578 compiling with -fpic -- we want to be able to override symbols
580 (alpha_expand_block_move): Fix thinko in last change.
582 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
583 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
584 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
586 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
588 * alpha.md (abssf, absdf): Revert last change.
590 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
592 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
593 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
595 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
597 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
598 a CONST_INT into SFmode.
600 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
602 * flags.h: New flag (optimize_size).
603 * toplev.c (main): Parse -Os option and set optimize_space
605 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
606 __OPTIMIZE_SIZE__ when compiling with -Os.
607 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
608 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
609 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
611 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
613 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
615 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
616 stuff only if MCT_TEXT is #define'd.
618 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
620 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
623 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
625 * toplev.c: Add -dM command line option to dump RTL after the
626 machine dependent reorganisation pass, if there is one.
627 Reorganise RTL dump code, so that only one file handle is
630 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
632 * except.c (check_exception_handler_labels): Disable warning when
635 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
637 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
639 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
641 * c-decl.c (grokdeclarator): Get parameter tags from
642 last_function_parm_tags.
643 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
644 traversing the parameter types.
645 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
647 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
649 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
651 (get_shift_alg): Fix typo.
653 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
655 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
657 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
659 * toplev.c (get_run_time): Make sure each case gets its variables.
661 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
663 * configure.in (build_xm_file): Add auto-config.h if host=build.
664 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
665 (build_xm_file_list): Likewise.
666 * configure: Rebuild.
668 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
670 * recog.c (validate_replace_rtx_1): Only perform substitutions
671 of arguments to commutative and comparison operators once.
673 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
675 * sparc.c (output_cbranch): Add default case in
678 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
679 (emit_delay_sequence): Eliminate unused parameter, all callers
681 (fill_simple_delay_slots): Likewise.
682 (fill_slots_from_thread): Likewise.
683 (fill_eager_delay_slots): Likewise.
684 (mark_referenced_resources): Add default case in enumeration switch.
685 (mark_set_resources): Likewise.
686 (rare_destination): Likewise.
687 (mostly_true_jump): Likewise.
688 (find_dead_or_set_registers): Likewise.
689 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
690 (update_reg_unused_notes): Remove unused variable `p'.
691 (mark_target_live_regs): Remove unused variables `next' and
693 (fill_simple_delay_slots): Remove unused variable `j'.
694 (fill_slots_from_thread): Add parentheses around assignment used
696 (dbr_schedule): Likewise.
698 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
699 (objc.stage2, objc.stage3, objc.stage4): Likewise.
701 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
703 * cse.c (simplify_ternary_operation): Don't try to simplify
704 IF_THEN_ELSE expressions (created by combine) that don't use
705 relational operators.
707 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
709 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
712 * crtstuff.c (init_dummy): Keep the epilogue in the init
713 section for non-ELF systems.
715 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
717 * sh.md (movqi_i+1): New peephole.
719 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
721 * Makefile.in: Remove remaining bytecode stuff.
722 * emit-rtl.c, expr.c: Likewise.
724 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
726 * toplev.c (lang_options): Add unknown-pragma options.
728 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
730 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
731 special (and incomplete) handling for Chill arrays.
733 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
735 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
738 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
740 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
742 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
744 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
745 .frame directive instead of FRAME_POINTER_REGNUM.
747 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
749 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
750 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
751 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
752 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
753 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
754 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
755 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
756 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
758 * longlong.h: Replace __mc68332__ with __mcpu32__.
760 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
762 * version.c: Bump for snapshot.
764 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
766 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
767 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
768 * reload1.c (eliminate_regs): Likewise.
770 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
772 * regmove.c (find_matches): Initialize matches->earlyclobber too.
774 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
776 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
777 (negsf2, negdf2): Use proper subtract in IEEE mode.
779 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
781 * Makefile.in: Remove more bytecode stuff.
782 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
783 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
784 * f/install.texi, objc/Make-lang.in: Likewise.
786 * Makefile.in: Remove all bytecode support.
787 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
788 * emit-rtl.c: Remove all bytecode support.
789 * expr.c, expr.h function.c, integrate.c: Likewise.
790 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
791 * tree.h, varasm.c: Likewise.
792 * config/m68k/m68k.h: Likewise.
793 * bi-*, bc-*, bytecode*: Delete bytecode related files.
794 * modemap.def: Likewise.
796 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
798 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
799 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
801 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
803 * i386.md (push): Prohibit symbolic constants if flag_pic.
804 (movsi+1): Likewise for move to non-register.
806 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
808 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
809 (print_operand): Handle 0xffffffff on 32 bit host.
811 * configure.in (thread_file): Rename uses before main loop to
812 target_thread_file. Initialize to empty in main loop. Set thread_file
813 to target_thread_file after main loop if not set.
814 * configure: Rebuild.
816 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
817 (add_values_to_cover): Revert last change (which had no ChangeLog
819 (simplify_with_current_value_aux): Handle CONST_INT.
821 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
823 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
825 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
827 * configure.in: Add cpp stringify test.
828 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
829 * gengenrtl.c: Use it.
830 * configure, config.in: Rebuild.
832 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
834 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
836 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
838 * configure.in: Find declaration for sbrk.
839 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
840 * config.in, configure: Rebuild.
841 * mips-tfile.c: Properly protect declaration of sbrk and free.
842 * toplev.c: Properly protect declaration of sbrk.
844 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
846 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
848 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
850 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
852 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
854 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
856 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
858 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
859 constant offset computations from objects with known alignment in
860 the presence of STACK_BIAS.
862 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
864 (const_hash): Hash val is unsigned long.
867 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
869 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
870 char pointer, not HOST_WIDE_INT.
871 (print_node): Likewise. Also hash is unsigned long not
874 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
876 * explow.c (optimize_save_area_alloca): New function for targets
877 where SETJMP_VIA_SAVE_AREA is true.
878 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
879 compute the amount of stack space needed should we find later that
880 setjmp is never called by this function, stuff rtl for this inside
881 a REG_NOTE of the final SET of stack_pointer_rtx.
882 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
883 current_function_calls_alloca, call optimize_save_area_alloca.
885 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
887 * i386.md: Remove redundant integer push patterns.
888 Don't bother checking for TARGET_PUSH_MEMORY when
889 pushing constants or registers.
891 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
892 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
894 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
895 (pwait): New function for mingw32.
897 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
898 pipe support is broken for now.
900 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
902 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
903 between frame_pointer_rtx, hard_frame_pointer_rtx, and
904 arg_pointer_rtx is respected in initialization.
905 (init_emit_once): Use gen_rtx_raw_REG() to create
906 return_address_pointer_rtx.
908 * reorg.c: #include "expr.h" for rtx prototypes.
909 * Makefile.in (reorg.o): Depend on expr.h
911 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
913 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
914 local_prefix to sub-make invocations.
916 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
918 * objc-parse.c: Recognize protocol qualifiers in class definitions.
920 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
924 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
925 * configure.in: Check for atol.
926 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
928 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
930 * loop.c (find_and_verify_loops): When attempting to move insns from
931 inside the loop outside the loop, create a BARRIER if no suitable
934 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
935 favor of an equivalent change from gcc-2.8.
937 * i386/x-sco5 (CC): Remove trailing whitespace.
939 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
941 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
942 (accessor_from_format): Likewise.
943 (xmalloc): New function for use when linking with alloca.o.
945 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
947 * frame.c (find_fde): Correct FDE's upper bound.
949 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
951 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
953 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
955 * calls.c (expand_call): Move #ifdef code out of macro argument
957 (emit_library_call, emit_library_call_value): Likewise.
959 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
961 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
963 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
965 * version.c: Bump for snapshot.
967 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
969 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
970 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
971 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
972 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
973 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
974 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
975 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
976 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
977 * unroll.c, varasm.c: Likewise.
978 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
980 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
982 * mips.h: Fix some type-o's from a previous change.
984 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
986 * loop.c (check_dbra_loop): Make sure initial value is a
987 CONST_INT before trying to normalize it.
989 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
991 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
993 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
995 * cppexp.c: Include gansidecl.h
997 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
999 * svr4.h (LINK_SPEC): Never specify -h.
1000 * ptx4.h (LINK_SPEC): Likewise.
1001 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1002 * sparc/sol2.h (LINK_SPEC): Likewise.
1004 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1006 * c-typeck.c (comptypes): Exit early on NULL input.
1008 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1009 dependencies after reload.
1011 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1013 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1015 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1017 * alpha/vms.h (DIR_SEPARATOR): define
1019 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1021 * Makefile.in (stamp-proto): Remove.
1022 (protoize.o, unprotoize.o): Straightforward compile.
1023 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1025 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1027 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1028 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1030 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1032 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1033 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1034 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1036 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1038 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1040 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1042 * configure.in (target_cpu_default, target_cpu_default2): Use double
1043 quotes around them when testing their value.
1044 * configure: Rebuilt.
1046 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1048 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1050 (gendef): Call obstack_alloc_rtx.
1052 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1054 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1057 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1059 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1060 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1061 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1063 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1065 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1067 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1069 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1072 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1074 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1075 suffix from operand 3.
1077 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1078 Jeffrey A Law (law@cygnus.com)
1080 * regmove.c: New implementation of regmove pass.
1081 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1082 decls, make them have external linkage. Return a value from
1083 optimize_reg_copy_1.
1084 * reload.h (count_occurrences): Add decl.
1085 * reload1.c (count_occurrences): Delete decl, make it have external
1087 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1089 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1091 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1092 if it is not defined.
1094 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1096 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1097 * emit-rtl.c (gen_rtx): Move special code to ...
1098 (gen_rtx_CONST_INT): New function.
1099 (gen_rtx_REG): New function.
1100 (*): Update all calls to gen_rtx.
1101 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1102 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1103 (GEN_INT): Call gen_rtx_CONST_INT.
1104 * gengenrtl.c: New file.
1106 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1108 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1109 (base_alias_check): If no base found for address call canon_rtx and
1112 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1114 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1115 arguments for mips16.
1116 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1117 Don't lose if tsize is zero after handling large stack for mips16.
1118 * mips.md (return): For trivial return, return address is in $31.
1120 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1122 * mips/mips16.S: Various changes to make it work with -msingle-float
1125 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1126 Ian Lance Taylor <ian@cygnus.com>
1127 Jeff Law <law@cygnus.com>
1129 * mips.c, mips.h, mips.md: First cut at merging in mips16
1130 support. Major modifications throughout all three files.
1132 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1134 * configure.in: Make gthr-default.h a forwarding header instead of
1137 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1139 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1141 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1143 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1144 Jeffrey A Law (law@cygnus.com)
1146 * crtstuff.c (__frame_dummy): New function for irix6.
1147 (__do_global_ctors): Call __frame_dummy for irix6.
1148 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1150 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1152 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1154 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1156 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1157 for __builtin_memset.
1158 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1159 not INTEGER_CST. Assert arg 3 is a constant.
1161 * alpha.c (mode_width_operand): Accept 64-bit modes.
1162 (mode_mask_operand): Likewise.
1163 (print_operand): Likewise for 'M' and 'U' codes.
1164 (alpha_expand_unaligned_load): New function.
1165 (alpha_expand_unaligned_store): Likewise.
1166 (alpha_expand_unaligned_load_words): Likewise.
1167 (alpha_expand_unaligned_store_words): Likewise.
1168 (alpha_expand_block_move): Likewise.
1169 (alpha_expand_block_clear): Likewise.
1170 * alpha.h (MOVE_RATIO): New define.
1171 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1172 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1174 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1175 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1177 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1179 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1180 * configure: Update.
1182 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1184 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1185 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1187 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1190 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1192 * configure.in: Set and subsitute host_exeext. Use it when creating
1193 the assembler and linker symlinks.
1194 * configure: Rebuild.
1195 * Makefile.in (exeext): Set to @host_exeext@.
1196 (build_exeext): New variable, set to @build_exeext@.
1197 (FLAGS_TO_PASS): Pass down build_exeext.
1198 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1201 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1203 * mn10200.md (addsi3, subsi3): Fix thinkos.
1205 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1207 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1208 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1209 unix always, since we want to be able to thunk to functions in a
1210 shared library from an application.
1212 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1214 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1215 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1217 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1219 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1220 offset's mode is not ptr_mode, convert it.
1222 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1224 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1225 compiling if it was already defined.
1227 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1229 * flow.c (find_basic_blocks): Don't create a new basic block
1230 for calls in a LIBCALL block.
1232 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1234 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1236 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1238 * cse.c (rtx_cost): Remove conflicting default case.
1240 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1242 * configure.in: Move default enabling of Haifa out of for loop.
1243 * configure: Rebuild.
1245 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1247 * version.c: Bump for snapshot.
1249 1997-12-25 Teemu Torma <tot@trema.com>
1251 * Makefile.in (GTHREAD_FLAGS): New var.
1252 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1253 (distclean): Remove gthr-default.h.
1255 * configure.in: Accept dce as a thread package.
1256 Check for thread.h and pthread.h.
1257 Link gthr-default.h to appropriate thread file and set
1259 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1260 include multilib definitions from pa/t-dce-thr.
1261 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1262 pthread.h is found, preferring posix threads over solaris ones.
1264 * config/pa/t-dce-thr: New file.
1265 * config/pa/t-pa: Removed multilibs.
1266 * config/sparc/t-sol2: Ditto.
1269 * gthr-single.h: New file.
1270 * gthr-posix.h: New file.
1271 * gthr-solaris.h: New file.
1272 * gthr-dce.h: New file.
1273 * libgcc-thr.h: Removed.
1274 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1276 * frame.c: Include gthr.h instead of libgcc-thr.h.
1277 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1278 (eh_context_initialize): If __gthread_once fails, use static eh
1280 (eh_context_free): Call __gthread_key_dtor.
1282 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1284 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1286 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1288 * cse.c (max_insn_uid): New variable.
1289 (cse_around_loop): Use max_insn_uid.
1290 (cse_main): Set max_insn_uid.
1292 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1293 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1294 -mlong64, and -mgp{32,64} options.
1295 * mips.c (mips_abi): Change type to int.
1296 * mips.h (enum mips_abi_type): Delete.
1297 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1298 (mips_abi): Change type to int.
1300 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1302 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1303 optimization is now always enabled.
1305 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1308 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1310 (*_dependence): Call canon_rtx before base_alias_check.
1311 (init_alias_once): New function to precompute set of registers which
1312 can hold Pmode function arguments.
1314 * rtl.h: Declare init_alias_once.
1316 * toplev.c (compile_file): Call init_alias_once.
1318 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1320 * tree.c (restore_tree_status): Do not dereference a null pointer.
1322 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1324 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1325 RLIMIT_STACK. This maintains consistency with the recent, similar
1326 patch to cccp.c and toplev.c.
1328 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1330 * genattrtab.c (expand_units): For large nr opclasses, expand
1331 function_units_used with ORX to prevent blowups. Tag with FFS.
1332 (num_unit_opclasses): New variable.
1333 (gen_unit): Update it.
1334 (enum operator): Add ORX_OP.
1335 (operate_exp): Treat ORX as or, except don't expand across an if.
1336 Reuse number rtx's after operating on them.
1337 (check_attr_value): Accept IOR, AND, & FFS.
1338 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1339 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1340 (write_expr_attr_cache, write_toplevel_expr): New functions.
1341 (write_attr_get): Handle FFS-tagged expressions.
1342 (make_canonical): Don't expand const attributes.
1343 (convert_const_symbol_ref): Dike out.
1344 (evaluate_eq_attr): Handle SYMBOL_REF.
1345 (main): Don't emit get_attr_foo for const attributes.
1347 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1348 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1349 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1350 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1351 combining function units where possible.
1352 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1353 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1354 (attr "opsize"): New attribute.
1355 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1356 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1357 to control register allocation.
1358 (movsi2-1, movdi2-1): Likewise.
1360 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1362 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1363 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1364 Move OSF/1 specific defines out.
1365 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1366 Move Linux specific defines out.
1367 (LINK_SPEC): Genericize.
1368 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1369 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1370 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1371 (HANDLE_SYSV_PRAGMA): Define.
1372 * alpha/osf.h: New file.
1373 * alpha/linux.h: Split. Retain file-format independant defines.
1374 Import Linux bits from elf.h.
1375 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1376 (FUNCTION_PROFILER): _mcount takes its address in $28.
1377 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1378 * alpha/linux-ecoff.h: New file.
1379 * alpha/linux-elf.h: New file.
1380 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1381 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1382 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1383 Add new headers as appropriate.
1385 * configure.in (alpha*): Enable Haifa by default.
1386 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1387 * configure: Rebuild.
1389 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1391 * Makefile.in (clean): Remove the stages with their objects here ...
1392 (distclean): ... instead of here.
1394 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1396 * cse.c (rtx_cost): Add default case in enumeration switch.
1397 * fix-header.c (recognized_macro): Likewise.
1398 (recognized_extern): Likewise.
1399 (write_rbrac): Likewise.
1400 * objc/objc-act.c (encode_aggregate): Likewise.
1401 (gen_declarator): Likewise.
1402 (gen_declspecs): Likewise.
1404 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1406 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1407 case where we kill more regs after sched than were killed before
1409 * sched.c (create_reg_dead_note): Similarly.
1411 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1413 * c-pragma.c: Include flags.h.
1415 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1417 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1418 about system headers.
1419 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1420 and also to resolve symbols in prefix.c.
1422 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1423 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1424 when the definitions in auto-config.h is not visible.
1425 (HAVE_BZERO): Likewise.
1426 (HAVE_BCMP): Likewise.
1427 (HAVE_RINDEX): Likewise.
1428 (HAVE_INDEX): Likewise.
1430 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1432 * pa.c (emit_move_sequence): Handle a function label source
1435 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1437 * c-pragma.c (handle_pragma_token): Generate warning messages
1438 about unknown pragmas if warn_unknown_pragmas is set.
1440 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1441 line option to set variable: warn_unknown_pragmas.
1443 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1445 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1447 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1449 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1451 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1452 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1453 generate more fine grained floating point emulation libraries.
1454 * config/fp-bit.c: Add protecting #ifdef to all functions so
1455 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1456 then compile all suitable functions.
1457 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1458 underscores to avoid namespace pollution.
1459 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1461 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1465 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1466 Jeff Law <law@cygnus.com>
1468 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1470 * c-decl.c (finish_decl): Use parentheses around && within ||.
1471 * rtl.c: Include stdlib.h.
1472 (read_skip_spaces): Add parentheses around assignments used as
1474 (read_rtx): Initialize list_rtx.
1475 * cppexp.c (parse_number): Use || when operands are truth values.
1476 * alias.c (find_base_value): Add default case.
1477 (memrefs_conflict): Likewise.
1478 * combine.c (sets_function_arg_p): Likewise.
1479 * genemit.c (gen_exp): Likewise.
1480 * local-alloc.c (contains_replace_regs): Likewise.
1481 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1482 * fold-const.c (fold_convert): Use "&&" for truth values.
1483 (fold): Add default case.
1484 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1485 (sdbout_one_type): Add default case.
1486 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1487 (some_operand): Add default case.
1488 (input_operand): Likewise.
1489 (signed_comparison_operator): Likewise.
1490 (divmod_operator): Likewise.
1491 (alpha_set_memflags_1): Likewise.
1492 * reload1.c (reload_cse_simplify_operands): Ensure function
1493 always returns a value.
1494 * scan-decls.c (scan_decls): Likewise.
1495 * c-lex.c (skip_white_space): Fix typo in declaraion.
1496 * c-typeck.c (comp_target_types): Add parentheses around assignment
1497 used as truth value.
1498 (print_spelling): Likewise.
1499 (constructor_implicit, constructor_result): Remove unused variables.
1500 * collect2.c (scan_library): Protect prototype with
1501 #ifdef SCAN_LIBRARIES.
1502 * emit-rtl.c (find_line_note): Fix typo in declaration.
1503 * final.c (asm_insn_count): Protect prototype with
1504 #ifdef HAVE_ATTR_length.
1505 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1506 (try_pre_increment_1, try_pre_increment): Likewise.
1507 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1508 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1509 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1510 unsigned/signed comparisons.
1511 * gcov.c (read_files): Remove unused "first_type" variable.
1512 (scan _for_source_files): Initialize s_ptr.
1513 (function_summary): Eliminate "%lf" formatting, use %ld for
1515 (output_data): Initialize branch_probs and last_line_num.
1516 Eliminate "%lf" formatting, use "%ld" for longs.
1518 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1520 * mips16.S: New file.
1522 * libgcc2.c (varargs): Handle mips16.
1524 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1526 * stmt.c (expand_end_case): Likewise.
1527 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1528 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1529 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1531 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1533 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1534 the build directory.
1535 (libobjc.a): Update dependency list.
1536 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1538 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1539 (objc.mostlyclean): Remove runtime-info.h.
1541 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1543 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1544 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1545 * dwarf2out.c (add_subscript_info): Likewise.
1546 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1547 * sdbout.c (plain_type_1): Likewise.
1548 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1550 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1553 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1555 * mips.c (fatal): Remove declaration.
1557 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1559 * integrate.c (get_label_from_map): New function.
1560 (expand_inline_function): Use it. Initialize the label_map to
1561 NULL_RTX instead of gen_label_rtx.
1562 (copy_rtx_and_substitute): Use get_label_from_map.
1563 * integrate.h (get_label_from_map): New function.
1564 (set_label_from_map): New macro.
1565 * unroll.c (unroll_loop): Use them.
1566 (copy_loop_body): Ditto.
1568 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1570 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1571 (INIT_TARGET_OPTABS): Define.
1572 * mips/ecoff.h: Include gofast.h before mips.h.
1573 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1574 * mips/elf64.h: Likewise.
1575 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1577 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1579 * except.c: Remove register_exception_table{,_p}.
1581 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1583 * unroll.c (calculate_giv_inc): Handle constant increment found in
1584 a MEM with an appropriate REG_EQUAL note.
1586 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1588 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1589 frame pointer in the prologue.
1591 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1593 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1594 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1596 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1598 * config/m68k/m68k.c (output_function_prologue): Typecast
1599 dwarf2out_cfi_label to (char *).
1600 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1602 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1604 * sparc.md (jump): Don't use the annul bit around an empty loop.
1605 Patch from Kevin.Kelly@East.Sun.COM.
1607 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1609 * jump.c: (jump_optimize): Don't use the return register as a
1610 source1 of a conditional move.
1612 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1614 * sparc.c (DF_MODES): Or the mask not the bit number.
1615 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1617 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1619 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1621 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1623 * fixincludes (size_t): Add support for Motorola's stdlib.h
1624 which fails to provide a definition for size_t.
1625 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1626 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1627 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1629 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1630 prevent unresolved externals in libio.
1631 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1633 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1635 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1636 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1637 (LIB_SPEC): Updated for glibc 2.
1639 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1641 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1642 * ginclude/varargs.h: Likewise.
1644 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1646 * version.c: Bump for snapshot.
1648 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1650 * frame.h (__register_frame, __register_frame_table,
1651 __deregister_frame): New.
1652 * frame.c (__register_frame, __register_frame_table,
1653 __deregister_frame): New.
1654 * frame.c (__deregister_frame_info): Return void *.
1655 * frame.h (__deregister_frame_info): Ditto.
1656 * collect2.c (__deregister_frame_info): Ditto.
1658 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1660 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1662 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1664 * alpha.c (alpha_cpu_name): New variable.
1665 (alpha_mlat_string): Likewise.
1666 (alpha_memory_latency): Likewise.
1667 (override_options): Handle -mmemory-latency.
1668 (alpha_adjust_cost): Adjust load cost for latency.
1669 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1670 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1671 TARGET_CIX into account.
1672 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1673 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1675 * alpha.h (ASM_COMMENT_START): New macro.
1677 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1679 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1680 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1682 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1683 SUBREG_REG if the word count is unchanged.
1684 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1685 subregs of identical word size for push_reload.
1687 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1689 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1690 if all we're doing is dealing with -Wreturn-type.
1692 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1694 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1695 Use and 255 instead of zapnot 1, since it schedules better.
1697 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1699 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1702 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1704 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1705 dependency we delete. Properly update prev for multiple consecutive
1707 (priority): Skip deleted dependence.
1709 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1711 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1713 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1715 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1716 determining when a new basic block starts.
1718 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1720 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1721 * pa.md (iorsi3): Add missing args to *_operand calls.
1723 * except.c (call_get_eh_context): Don't mess with sequences.
1724 (emit_eh_context): Include the call in the sequence here.
1726 1997-12-11 Paul Eggert <eggert@twinsun.com>
1728 * collect2.c (write_c_file_glob): Allocate initial frame object
1729 in static storage and pass its address.
1731 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1733 * except.c (call_get_eh_context): Don't take a parm.
1734 Put the call at the top of the function.
1735 (emit_eh_context): Adjust.
1736 (get_eh_context): Replace with former use_eh_context.
1737 (get_eh_context_once, get_saved_pc_ref): Remove.
1738 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1740 * integrate.c (expand_inline_function): Adjust.
1741 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1743 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1745 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1746 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1748 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1750 * fixincludes (strlen,strspn,strcspn return value): Handle different
1752 (hypot): Provide a fake for hypot which is broken on
1753 m88k-motorola-sysv3.
1755 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1757 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1758 tree_code_name from pointers to arrays.
1759 * tree.c: Remove standard_tree_code_* variables, no longer used.
1760 * print-tree.c: Remove declaration of tree_code_name.
1762 * cp/lex.c (init_lex): Update for tree_code_* changes.
1763 * objc/objc-act.c (init_objc): Likewise.
1765 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1768 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1770 * config.sub: Add support for BeOS target.
1771 * configure.in: Likewise.
1772 * ginclude/stdarg.h: Likewise.
1773 * ginclude/stddef.h: Likewise.
1774 * ginclude/varargs.h: Likewise.
1775 * rs6000/beos.h: New file for BeOS.
1776 * rs6000/t-beos: Likewise.
1777 * rs6000/x-beos: Likewise.
1778 * rs6000/xm-beos.h: Likewise.
1779 * toplev.c (get_run_time): Just return 0 on BeOS.
1781 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1782 Toon Moene (toon@moene.indiv.nluug.nl)
1784 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1785 old and broken Sun3 assemblers. Newer versions handle large
1786 offsets correctly as does the GNU assembler.
1788 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1790 * objc/objc-act.c (lang_report_error_function): Disable.
1791 * objc/objc-parse.y: Include "output.h".
1792 (yyerror): Remove redundant decl.
1793 (yyprint): Fix prototype.
1794 (apply_args_register_offset): Remove redundant decl.
1795 (get_file_function_name): Likewise.
1797 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1799 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1801 (find_basic_blocks_1): Likewise.
1803 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1805 * except.c (use_eh_context): Don't copy_rtx a REG.
1806 (emit_throw): Lose old unwinder support.
1807 (expand_internal_throw): Likewise.
1808 * libgcc2.c (struct eh_context): Likewise.
1809 (new_eh_context): Likewise.
1810 (__get_eh_info): Lose redundant cast.
1811 (__get_dynamic_handler_chain): Likewise.
1812 (__get_saved_pc): Lose.
1813 Lose all old unwinder support code.
1815 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1817 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1819 * integrate.c (expand_inline_function): If the inline fn uses eh
1820 context, make sure that the current fn has one.
1821 * toplev.c (rest_of_compilation): Call emit_eh_context.
1822 * except.c (use_eh_context): New fn.
1823 (get_eh_context_once): New fn.
1824 (call_get_eh_context): New fn.
1825 (emit_eh_context): New fn.
1826 (get_eh_context): Call either get_eh_context_once or
1827 call_get_eh_context, depending on what we have.
1828 (get_dynamic_handler_chain): Call get_eh_context_once.
1829 * except.h: Prototypes for fns above.
1830 * optabs.c (get_eh_context_libfunc): Removed.
1831 (init_optabs): Don't initialize it.
1832 * expr.h (get_eh_context_libfunc): Removed.
1833 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1834 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1835 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1836 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1837 New multilib for -threads.
1838 * config/sparc/t-sol2: Added multilibs for -threads and
1839 made -pthreads alias to it.
1840 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1841 Added -threads and -pthreads options.
1842 * libgcc-thr.h: New file.
1843 * libgcc2.c: (__get_cpp_eh_context): Removed.
1844 (struct cpp_eh_context): Removed.
1845 (struct eh_context): Replaced cpp_eh_context with generic language
1847 (__get_eh_info): New function.
1848 (__throw): Check eh_context::info.
1850 * libgcc2.c: Include libgcc-thr.h.
1851 (new_eh_context, __get_eh_context,
1852 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1853 eh_context_specific, eh_context_free): New functions.
1854 (get_eh_context, eh_context_key): New variables.
1855 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1856 get_eh_context to get the context.
1857 (longjmp): Move the declaration inside
1858 #ifdef DONT_USE_BUILTIN_SETJMP.
1859 * frame.c: Include libgcc-thr.h.
1860 (object_mutex): Mutex to protect the object list.
1861 (find_fde, __register_frame, __register_frame_table,
1862 __deregister_frame): Hold the lock while accessing objects.
1863 * except.h (get_eh_context): Declare.
1864 * except.c (current_function_ehc): Define.
1865 (current_function_dhc, current_function_dcc): Removed.
1866 (get_eh_context): New function.
1867 (get_dynamic_handler_chain): Use get_eh_context.
1868 (get_saved_pc_ref): Ditto.
1869 (get_dynamic_cleanup_chain): Removed references to
1870 current_function_dcc.
1871 (save_eh_status, restore_eh_status): Save and restore
1872 current_function_ehc instead.
1873 * optabs.c (get_eh_context_libfunc): New variable.
1874 (init_optabs): Initialize it.
1875 * expr.h: Declare get_eh_context_libfunc.
1876 * function.h (struct function): Replaced dhc and dcc with ehc.
1877 * except.c (get_saved_pc_ref): New functions.
1878 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1879 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1881 (end_eh_unwinder): Likewise.
1882 (init_eh): Remove initialization of eh_saved_pc.
1883 * optabs.c (get_saved_pc_libfunc): New variable.
1884 (init_optabs): Initialize it.
1885 * expr.h: Declare get_saved_pc_libfunc.
1886 * except.h (eh_saved_pc_rtx): Deleted.
1887 (get_saved_pc_ref): Declared.
1889 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1890 * libgcc2.c (__get_saved_pc): New.
1891 (__eh_type, __eh_pc): Deleted.
1892 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1893 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1896 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1898 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1899 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1902 * rtl.h (global_rtl): New variable, replacing separate variables for
1904 (const_int_rtx): Now array of rtx_def, not rtx.
1905 * emit-rtl.c: Update for new rtl data structures.
1906 * genattrtab.c: Define global_rtl.
1908 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1910 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1913 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1915 * crtstuff.c (__do_global_ctors): Fix typo.
1917 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1919 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1920 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1922 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1924 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1925 * rs6000.c (function_arg_padding): New function.
1927 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1929 * m68k.c: Include tree.h only once.
1931 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1933 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1935 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1937 * Partially cleaned up prototyping code from HJ.
1938 * tree.h: Add many prototypes.
1939 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1940 All references changed.
1941 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1943 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1945 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1946 string functions like strlen.
1948 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1950 * configure.in: Check for functions getrlimit and setrlimit.
1951 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1952 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1954 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1956 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1958 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1960 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1963 * alpha.c (override_options): Don't know about scheduling for EV6.
1964 * alpha.md (ev5 function units): Don't overload as ev6.
1966 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1967 * alpha.md (define_attr type): Add mvi.
1968 (ev5_e0): Define sceduling parameters for it.
1969 (TARGET_MAX insns): Type is mvi not shift.
1971 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1973 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1975 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * cstamp-h, auto-config.h: Delete.
1979 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1981 * version.c: Bump for snapshot.
1983 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1985 * cccp.c: Fix typo brought over in merge.
1987 * Merge in changes from gcc-2.8.
1989 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1991 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1993 * gcc.c (process_command): Do not take address of function fatal when
1994 calling lang_specific_driver.
1996 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1998 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1999 doesn't work with it yet, so set it to 0.
2000 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2002 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2004 * cse.c (cse_insn): Check for invalid entries when taking references.
2006 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2008 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2009 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2010 * toplev.c (rest_of_compilation): Pass it. Remove code to
2011 save / clear / restore flag_unroll_{,all_}loops.
2013 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2015 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2017 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2019 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2021 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2023 * except.c (get_dynamic_handler_chain): Only make the call once per
2026 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2028 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2030 * sh.c (final_prescan_insn): Use local label prefix
2031 when emitting .uses pseudo-ops.
2033 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2035 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2036 * except.c: Lose outer_context_label_stack.
2037 (expand_eh_region_end): Rethrow from outer_context here.
2038 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2039 (expand_internal_throw): Take no args.
2040 (expand_internal_throw_indirect): Lose.
2041 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2042 (expand_start_all_catch): Start a rethrow region.
2043 (expand_end_all_catch): End it.
2044 (expand_rethrow): New fn.
2045 * except.h: Reflect above changes.
2046 * flow.c: Revert change of Nov 27.
2048 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2050 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2052 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2054 * except.c (expand_fixup_region_end): New fn.
2055 (expand_fixup_region_start): Likewise.
2056 (expand_eh_region_start_tree): Store cleanup into finalization here.
2057 * stmt.c (expand_cleanups): Use them to protect fixups.
2059 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2061 * mips/mips.md (muldi3_r4000): Broaden the output template
2062 and attribute assignments to handle three operand dmult;
2063 rename to muldi3_internal2.
2064 (muldi3): Call the new muldi3_internal2 for R4000, and
2065 any GENERATE_MULT3 chip.
2067 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2069 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2071 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2073 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2074 with a dest_reg that was created by loop.
2076 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2078 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2080 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2082 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2084 * configure.in: Fix NCR entries.
2086 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2088 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2089 nested exceptions correctly.
2091 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2092 that was created by loop.
2094 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2096 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2098 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2100 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2102 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2103 (print_operand): Use SMALL_DATA_REG for the register involved in
2104 small data relocations.
2105 (print_operand_address): Ditto.
2107 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2108 -dynamic linker is not used.
2110 * rs6000.md (call insns): For local calls, use @local suffix under
2111 System V. Don't use @plt under Solaris.
2113 * rs6000.c (output_function_profiler): Put label address in r0, and
2114 store LR in 4(sp) for System V/eabi.
2116 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2117 byte boundary, and maintain stack backchain.
2119 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2121 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2122 fix_truncsfdi2): Change *.
2124 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2126 * toplev.c (main): Complain about -gdwarfn.
2128 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2130 * dwarfout.c (output_type): If finalizing, write out nested types
2131 of types we've already written.
2133 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2135 (patches originally from Geoffrey Keating)
2136 * rs6000.c (function_arg): Excess floating point arguments don't
2137 go into GPR registers after exhausting FP registers under the
2139 (function_arg_partial_nregs): Ditto.
2141 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2144 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2146 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2148 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2150 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2153 * libgcc2.c (__throw): Initialize HANDLER.
2155 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2157 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2158 fix_truncsfdi2): Change *X to ?*X.
2160 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2162 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2164 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2166 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2168 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2170 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2172 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2174 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2175 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2178 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2180 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2181 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2182 gas and not using the new HP assembler.
2184 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2186 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2187 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2189 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2191 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2192 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2195 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2197 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2199 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2201 * except.h: Add outer_context_label_stack.
2202 * except.c: Likewise.
2203 (expand_start_all_catch): Push the outer_context for the try block
2204 onto outer_context_label_stack.
2205 (expand_end_all_catch): Use it and pop it.
2207 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2209 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2211 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2213 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2215 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2217 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2218 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2220 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2222 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2223 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2224 __builtin_delete, and __builtin_vec_delete.
2226 * except.c (output_exception_table): Don't bother with
2229 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2231 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2232 is an in/out operand.
2233 (zero extended variants of stwm/stwm patterns): Similarly.
2235 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2237 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2239 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2241 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2242 (output_call_frame_info): Emit a \n after using it.
2244 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2246 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2248 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2250 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2251 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2252 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2254 (output_call_frame_info): Do not output forward label differences
2255 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2256 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2258 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2260 * sh.md (attribute "type"): Add nil.
2261 (movsi_ie): y/y alternative is type nil.
2262 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2264 (movsf_ie+1): Delete.
2266 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2268 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2269 large_int, emit two insns instead of one splitable insn.
2270 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2271 from cfa_temp_value, use cfa_offset. Add assert checking that
2274 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2276 * cccp.c (deps_output): Properly quote file names for make.
2278 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2280 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2282 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2284 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2286 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2288 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2290 (cse_end_of_basic_block): Similarly.
2292 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2294 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2295 (SELECT_RTX_SECTION): Define.
2296 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2298 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2300 * Makefile.in (compare, compare-lean): Define $stage for each
2302 (gnucompare, gnucompare-lean): Likewise.
2304 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2306 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2308 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2309 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2311 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2313 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2314 and add case to handle STRING_TYPE.
2315 * dwarfout.c (output_string_type_die): Fix code to generate
2316 correct string length attribute for fixed length strings.
2317 Still needs support for varying length strings.
2319 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2321 * toplev.c (get_run_time): Do something sensible for cygwin32.
2323 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2325 * expr.c (expand_builtin_setjmp): Set
2326 current_function_has_nonlocal_label.
2327 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2328 call-saved registers across calls.
2330 * alpha.md (exception_receiver): Remove.
2331 (nonlocal_goto_receiver_osf): New
2332 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2333 (nonlocal_goto_receiver): New, select _osf or _vms.
2335 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2336 keep them from being propogated to the object file.
2337 (alpha_write_linkage): Likewise.
2338 * alpha.md (call_vms): Likewise.
2339 (call_value_vms): Likewise.
2340 (unnamed osf call insns): Likewise.
2342 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2343 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2345 * alpha.c (call_operand): Any reg is valid for WinNT.
2346 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2347 (anon nt calls): Add 'R' alternative.
2348 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2349 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2351 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2353 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2355 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2356 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2357 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2359 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2361 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2362 spill error message.
2364 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2366 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2367 use varargs.h. Wrap header with <>, not "".
2369 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2371 * integrate.c (save_for_inline_copying): Add return value from
2374 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2376 * fixincludes: Be a little more restrictive on what we will
2377 substitute to replace definitions of MAXINT for HPUX.
2379 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2381 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2382 whose address is the stack or argument pointers are indirect
2385 1997-11-13 Paul Eggert <eggert@twinsun.com>
2387 * cccp.c, cpplib.c (compare_defs):
2388 Don't complain about arg name respellings unless pedantic.
2389 * cpplib.c (compare_defs): Accept pfile as new arg.
2390 All callers changed.
2392 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2394 * fold-const.c (fold_truthop): Fix bug in last change.
2396 1997-11-13 Paul Eggert <eggert@twinsun.com>
2398 Fix some confusion with IEEE minus zero.
2400 * real.h (REAL_VALUES_IDENTICAL): New macro.
2402 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2403 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2405 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2406 same tree structure as 0.0.
2408 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2409 macro instead of doing it by hand.
2411 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2413 * v850/lib1funcs.asm: Minor whitespace changes.
2414 * v850.c: Fix minor formatting problems in many places.
2415 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2417 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2419 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2420 xplus1 when xplus0 is not a register.
2422 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2424 * flow.c (find_basic_blocks): During marking phase, if we encounter
2425 an insn with a REG_LABEL note, make the target block live and
2426 create an edge from the insn to the target block. Do not make
2427 edges from all blocks to the target block.
2429 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2431 * confiugre.in: Tweak NCR entries.
2432 * configure: Rebuilt.
2434 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2436 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2437 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2438 and CONST_DOUBLE_HIGH.
2440 * rs6000.md (define_splits for DF constants): Use the appropriate
2441 REAL_VALUE_* interface to pick apart DF floating point constants in
2442 a machine independent fashion.
2444 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2446 * fold-const.c (fold_truthop): When changing a one-bit comparison
2447 against zero into a comparison against mask, do a proper sign
2450 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2452 * except.c: Do not include "assert.h".
2453 (save_eh_status): Turn asserts into conditional aborts.
2454 (restore_eh_status, scan_region): Likewise.
2455 * dwarfout.c: Do not include "assert.h".
2456 (bit_offset_attribute): Turn asserts into conditional aborts.
2457 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2458 (output_inlined_structure_type_die): Likewise.
2459 (output_inlined_union_type_die): Likewise
2460 (output_tagged_type_instantiation): Likewise.
2461 (dwarfout_file_scope_decl): Likewise.
2462 * dwarf2out.c: Do not include "assert.h"
2463 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2464 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2465 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2466 (add_bit_size_attribute, scope_die_for): Likewise.
2467 (output_pending_types_for_scope): Likewise.
2468 (get_inlined_enumeration_type_die): Likewise.
2469 (get_inlined_structure_type_die): Likewise.
2470 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2471 (gen_tagged_type_instantiation_die): Likewise.
2473 * flow.c (find_basic_blocks): Refine further to get a more correct
2474 cfg, especially in the presense of exception handling, computed
2475 gotos, and other non-trivial cases. Call abort if an inaccuracy
2476 is detected in the cfg.
2478 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2480 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2482 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2483 (skip_white_space): Use whitespace_cr.
2484 (check_newline): Handle whitespace more consistently.
2486 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2488 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2489 * i386/xm-cygwin32.h (POSIX): Define.
2491 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2493 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2494 is available elsewhere.
2496 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2498 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2499 what the instruction can handle.
2501 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2503 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2505 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2507 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2509 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2510 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2512 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2514 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2515 swap instruction order.
2517 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2519 * fixinc.svr4 (__STDC__): Add another case.
2521 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2523 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2524 addresses in the epilogue delay slot.
2526 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2528 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2529 in generated `specs' file.
2531 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2533 * flags.h (flag_rerun_loop_opt): Declare.
2534 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2535 * toplev.c (flag_rerum_loop_opt): Delete static.
2537 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2539 Bring over from FSF:
2541 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2543 * va-sh.h (__va_arg_sh1): Define.
2545 SH3E doesn't use any integer registers for subsequent arguments
2546 once a non-float value was passed in the stack.
2547 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2548 alignment in front label for ADDR_DIFF_VEC.
2549 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2550 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2552 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2554 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2557 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2559 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2560 put an use_sfunc_addr before each sfunc.
2561 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2562 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2564 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2566 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2568 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2570 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2573 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2575 * alias.c (find_base_value): Only return the known base value for
2578 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2580 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2581 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2583 (prologue_get_pc_and_set_got): New pattern.
2585 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2587 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2588 for SUBREG, just fall through.
2590 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2592 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2594 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2596 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2598 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2599 (USE_HOST_ALLOCA): Likewise.
2601 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2602 and LABEL_REFS fields.
2603 * rtl.h (LABEL_REFS): Update.
2605 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2607 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2608 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2609 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2612 * mips.md (insv, extzv, extv): Add change_address call.
2613 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2615 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2617 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2619 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2620 save_restore_insns if no FP and GP will be restored.
2622 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2623 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2625 * acconfig.h (HAVE_INTTYPES_H): Undef.
2626 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2627 and inttypes.h, and verify that intmax_t is defined.
2628 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2629 * config/mips/x-iris3: Likewise.
2631 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2633 * alias.c (find_base_value): When copying arguments, return the
2634 tenative value for a hard register.
2636 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2638 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2639 (yylex): Record wide strings using target endianness, not host.
2641 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2643 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2644 (ASM_OUTPUT_ALIGNED_BSS): New macro
2645 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2646 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2647 * v850.h (ASM_OUTPUT_BSS): Delete.
2648 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2650 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2652 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2654 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2656 * configure.in (sco5): Use cpio to install header files.
2658 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2660 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2662 * configure: Rebuild.
2664 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2666 * i386/sco5.h: enable -gstabs once again.
2668 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2670 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2672 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2674 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2675 notes for sjlj exceptions too.
2676 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2677 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2678 * final.c (final_scan_insn): Don't output labels for EH REGION
2679 notes if doing sjlj exceptions.
2681 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2683 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2684 optimizing correctly.
2686 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2687 or set current_function_calls_setjmp anymore.
2689 * flow.c (find_basic_blocks): If we delete the label for an
2690 exception handler, remove it from the EH label list and remove
2691 the EH_BEGIN/EH_END notes for that EH region.
2693 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2695 * flow.c (find_basic_blocks): Generate correct flow control
2696 information when exception handling notes are present.
2698 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2700 * dwarf2out.c (output_call_frame_info): Fix length argument
2701 to ASM_OUTPUT_ASCII.
2702 (output_die, output_pubnames, output_line_info): Likewise.
2704 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2706 * version.c: Bump for snapshot.
2708 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2709 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2710 flag_debug_asm is on.
2711 (output_die, output_pubnames, output_line_info): Likewise.
2713 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2714 and static_chain_rtx into the potential base values array if
2717 * alias.c (new_reg_base_value): New array of potential base values.
2718 (unique_id): Now file scoped static.
2719 (find_base_value, case REG): Return the value in reg_base_value
2720 array for the REG if it exists. Else, return the value from
2721 new_reg_base_value if copying args and REG is a hard register.
2722 (find_base_value, case PLUS): If either operand of the PLUS is
2723 a REG, try to get its base value. Handle base + index and
2725 (record_set): Use new_reg_base_value instead of reg_base_value.
2726 (init_alias_analysis): Allocate space for new_reg_base_value too.
2727 Rework code to iterate over the insns propagating base value
2728 information until nothing changes.
2730 * global.c (global_alloc): Free the conflict matrix after
2731 reload has finished.
2733 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2735 * libgcc2.c (L_eh): Define __eh_pc.
2736 Replace __eh_type with generic pointer __eh_info.
2738 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2740 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2741 use copy_to_reg if address is not a general_operand.
2743 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2745 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2746 for the duration of the call to rest_of_compilation.
2748 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2750 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2752 (sparc*-*-*): Recognize --with-cpu=v9.
2753 * sparc/elf.h: New file.
2754 * sparc/t-elf: New file.
2756 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2758 * mn10300.c (const_8bit_operand): New function.
2759 (mask_ok_for_mem_btst): New funtion.
2760 * mn10300.md (btst patterns with mem operands): Use new functions
2761 to avoid creating btst instructions with invalid operands.
2763 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2765 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2766 are running on PowerPC Linux.
2768 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2770 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2771 if not previously defined.
2773 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2775 * function.c (assign_parms): Correct mode of stack_parm if
2776 entry_parm underwent a mode conversion.
2778 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2780 * global.c (global_alloc): Use xmalloc instead of alloca for
2781 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2782 than 2.5Mb sometimes.
2784 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2786 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2787 DEST for the spill, adjust mode of SRC to compensate.
2789 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2791 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2792 since any_memory_operand() allows pseudos during reload.
2793 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2795 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2797 * m68k.md (btst patterns): Add 5200 support.
2799 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2801 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2802 optimizations, look inside dividend to determine if the expression
2803 can be simplified by using EXACT_DIV_EXPR.
2805 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2808 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2810 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2812 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2814 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2816 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2819 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2821 * alpha.md (movqi, movhi): Make sure new insns created during reload
2822 won't need reloading themselves.
2823 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2825 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2827 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2829 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2831 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2832 Patch from Klaus Kaempf <kkaempf@progis.de>.
2834 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2836 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2837 to an element in a constant string.
2839 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2841 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2842 bit PC-relative offset. The exception range table pointer is now in
2844 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2845 (count_fdes, add_fdes, get_cie): Adjust.
2846 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2849 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2851 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2853 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2854 like stack_pointer_rtx.
2856 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2858 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2859 targets using "$@" to provide support for similar but not identical
2860 targets without having to duplicate code.
2861 (bootstrap4): New goal.
2863 * Makefile.in (compare, compare-lean, compare3): Combined to one
2864 ruleset determining actions to be performed via $@.
2865 (compare4, compare4-lean): New targets.
2866 (gnucompare, gnucompare3): Combined to one ruleset determining
2867 actions to be performed via $@. Also, note which files failed
2868 the comparison test in .bad_compare.
2869 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2871 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2873 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2874 if the dividend is a multiple of the divisor.
2876 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2878 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2880 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2883 * alias.c (true_dependence): Fix typo.
2885 * toplev.c (flag_rerun_loop_opt): New variable.
2886 (f_options): Handle -frerun-loop-opt.
2887 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2889 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2891 * loop.c (simplify_giv_expr): Adding two invariants results
2894 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2896 * expr.c (get_inner_reference): Remove the array bias after
2897 converting the index to Pmode.
2899 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2901 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2902 (TARGET_MULT_BUG): Define.
2903 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2904 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2906 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2908 * mn10200.c (indirect_memory_operand): Delete unused function.
2909 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2910 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2912 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2914 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2915 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2916 for more than scheduling.
2918 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2920 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2922 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2924 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2925 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2926 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2928 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2930 * version.c: Bump for snapshot.
2932 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2934 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2937 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2939 * toplev.c (flag_exceptions): Default value is 2.
2940 (compile_file): If flag_exceptions still has the value 2, then
2943 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2944 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2945 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2947 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2950 * rs6000.md (*movsi_got_internal_mem): New pattern.
2951 (*movsi_got_internal_mem splitter): New define_split.
2953 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2955 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2957 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2959 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2960 only need to save LR.
2962 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2964 * mn10300.md (movqi, movhi): Avoid using address registers as
2965 destinations unless absolutely necessary.
2967 * mn10200.c (expand_prologue): Fix typo.
2969 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2971 * mn10200.md (neghi2): Provide an alternative which works if
2972 the input and output register are the same.
2974 * mn10300.c (print_operand): Handle 'S'.
2975 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2976 shift amount in last alternative
2978 * mn10300.c (expand_epilogue): Rework to handle register restores
2979 in "ret" and "retf" instructions correctly.
2981 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2983 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2984 extzv for memory operands.
2986 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2987 redundant conditional moves to single operand.
2989 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2991 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2994 * xm-v850.h: Use __v850 rather than __v850__ to
2997 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2999 * mips/mips.c (compute_frame_size): Not a leaf function if
3002 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3004 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3006 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3008 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3009 (DEFAULT_ARCH32_P): New macro.
3010 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3011 (enum cmodel): Declare.
3012 (sparc_cmodel_string,sparc_cmodel): Declare.
3013 (SPARC_DEFAULT_CMODEL): Provide default.
3014 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3015 (TARGET_FULLANY): Deleted.
3016 (TARGET_CM_MEDMID): New macro.
3017 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3018 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3019 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3020 (CPP_SPEC): Rewrite.
3021 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3022 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3023 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3024 (ASM_SPEC): Add %(asm_arch).
3025 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3026 Rename asm_default to asm_cpu_default.
3027 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3028 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3029 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3030 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3031 (MASK_INT64,MASK_LONG64): Delete.
3032 (MASK_ARCH64): Renamed to MASK_64BIT.
3033 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3034 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3035 (TARGET_SWITCHES): Always provide 64 bit options.
3036 (ARCH64_SWITCHES): Delete.
3037 (TARGET_OPTIONS): New option -mcmodel=.
3038 (INT_TYPE_SIZE): Always 32.
3039 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3040 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3041 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3042 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3043 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3045 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3046 * sparc/linux.h: Likewise.
3047 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3048 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3049 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3050 (SPARC_DEFAULT_CMODEL): Define.
3051 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3052 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3053 (LONG_DOUBLE_TYPE_SIZE): Define.
3054 (ASM_SPEC): Add %(asm_arch).
3055 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3056 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3057 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3058 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3059 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3060 (SPARC_DEFAULT_CMODEL): Define.
3061 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3062 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3063 MASK_LONG64, MASK_MEDANY.
3064 (SPARC_DEFAULT_CMODEL): Define.
3065 (CPP_PREDEFINES): Delete.
3066 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3067 (ASM_SPEC): Add %(asm_arch).
3068 (LONG_DOUBLE_TYPE_SIZE): Define.
3069 (DWARF2_DEBUGGING_INFO): Define.
3070 * sparc/splet.h (CPP_SPEC): Delete.
3071 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3072 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3073 (BLOCK_PROFILER): Likewise.
3074 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3075 (sparc_override_options): Handle code model selection.
3076 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3077 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3078 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3079 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3080 (sethi_di_fullany): Delete.
3082 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3083 Jeff Law <law@cygnus.com>
3084 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3086 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3087 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3088 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3089 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3090 * alpha/alpha.md (arg_home): Likewise.
3092 * alpha/alpha.c (vmskrunch): Delete
3093 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3094 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3095 truncate to 64 characters.
3097 * make-l2.com: Support openVMS/Alpha.
3099 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3101 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3103 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3105 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3107 * i386/bsd386.h (ASM_COMMENT_START): Define.
3109 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3111 * tree.c (restore_tree_status): Also free up temporary storage
3112 when we finish a toplevel function.
3113 (dump_tree_statistics): Print stats for backend obstacks.
3115 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3117 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3119 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3121 * libgcc2.c (__throw): Don't copy the return address.
3122 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3124 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3125 * toplev.c (main): Initialize exceptions_via_longjmp.
3127 * tree.c: Add extra_inline_obstacks.
3128 (save_tree_status): Use it.
3129 (restore_tree_status): If this is a toplevel inline obstack and we
3130 didn't want to save anything on it, recycle it.
3131 (print_inline_obstack_statistics): New fn.
3132 * function.c (pop_function_context_from): Pass context to
3133 restore_tree_status.
3134 * obstack.h (obstack_empty_p): New macro.
3136 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3138 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3140 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3142 * v850.c (ep_memory_offset): New function.
3143 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3145 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3146 (CONSTANT_ADDRESS_P): Add comment.
3147 (EXTRA_CONSTRAINT): Define 'U'.
3148 * v850.md: Add comments on bit field instructions.
3149 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3150 (lshrsi3): Use N not J constraint.
3152 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3154 * v850.c (reg_or_0_operand): Call register_operand.
3155 (reg_or_int5_operand): Likewise.
3156 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3157 (TARGET_SWITCHES): Add "big-switch".
3158 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3159 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3160 (CASE_DROPS_THROUGH): Comment out.
3161 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3162 * v850.md (cmpsi): Delete compare mode.
3163 (casesi): New pattern.
3165 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3166 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3167 (lshrsi3): Likewise.
3169 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3170 unreachable switch statement after 'b' support. Remove "b" from
3171 strings for 'b' support.
3172 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3174 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3176 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3177 empty line if @inhibit_libc@ is empty.
3179 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3181 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3182 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3183 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3184 (DWARF2_UNWIND_INFO): Let this track object file format.
3185 (EXTRA_SECTIONS): Add in_eh.
3186 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3187 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3189 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3191 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3192 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3194 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3195 (output_double_int): Output DI mode values correctly when
3196 HOST_BITS_PER_WIDE_INT is 64.
3197 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3198 fmovd so it works if a quad float ends up in one of the upper 32
3200 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3201 necessary for PIC support on sparc64.
3203 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3205 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3206 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3207 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3208 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3209 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3210 (SPARC_FP_ARG_FIRST): New macro.
3211 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3212 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3213 (NPARM_REGS): There are 32 fp argument registers now.
3214 (FUNCTION_ARG_REGNO_P): Likewise.
3215 (FIRST_PARM_OFFSET): Update to new v9 abi.
3216 (REG_PARM_STACK_SPACE): Define for arch64.
3217 (enum sparc_arg_class): Delete.
3218 (sparc_arg_count,sparc_n_named_args): Delete.
3219 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3220 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3221 (FUNCTION_ARG_ADVANCE): Rewrite.
3222 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3223 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3224 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3225 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3226 (STRICT_ARGUMENT_NAMING): Define.
3227 (doublemove_string): Declare.
3228 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3229 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3230 (doublemove_string): New function.
3231 (output_move_quad): Clean up some of the arch64 support.
3232 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3233 Don't add 8 bytes of reserved space if arch64.
3234 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3235 (init_cumulative_args): New function.
3236 (function_arg_slotno): New static function.
3237 (function_arg,function_arg_partial_nregs): New functions.
3238 (function_arg_{pass_by_reference,advance}): New functions.
3239 (function_arg_padding): New function.
3240 * ginclude/va-sparc.h: Rewrite v9 support.
3242 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3244 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3245 for hard regs to determine base and index registers.
3247 * reload.c (debug_reload_to_stream): New function. Specify stream
3248 into which to write debug info.
3249 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3251 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3253 * combine.c (can_combine_p): Don't combine with an asm whose
3254 output is a hard register.
3256 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3258 * c-decl.c (start_struct): Ensure that structs with forward
3259 declarations are in fact packed when -fpack-struct is given.
3261 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3262 we are packing a structure. This allows a structure with only
3263 bytes to be aligned on a byte boundary and have no padding on a
3266 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3268 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3270 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3272 * alpha.c (alpha_return_addr_rtx): New variable.
3273 (alpha_save_machine_status): New; save it.
3274 (alpha_restore_machine_status): New; restore it.
3275 (alpha_init_expanders): New; clear it.
3276 (alpha_return_addr): New; set it.
3277 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3278 is overly conservative, so search the insns explicitly.
3279 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3280 (alpha_sa_size [VMS && !VMS]): Likewise.
3281 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3282 (INIT_EXPANDERS): New definition.
3284 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3285 (output_prolog [!VMS]): Use them.
3287 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3288 (alpha_does_function_need_gp): ... a new function. Refine the
3289 CALL_INSN test to just TYPE_JSR.
3290 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3292 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3294 * version.c: Bump for snapshot.
3296 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3298 * pa.c (move_operand): Respect -mdisable-indexing.
3299 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3301 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3303 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3305 (umulsidi3,umulsi3_highpart): Ditto.
3306 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3308 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3310 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3311 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3312 function in one go. Emit RTL for trapb, instead of printf directly.
3313 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3314 (trap_pending): Kill global variable.
3315 (output_epilog): Don't call final_prescan_insn.
3316 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3317 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3318 (MACHINE_DEPENENT_REORG): Define.
3319 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3322 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3324 Tune Haifa scheduler for Alpha:
3325 * alpha.h (ISSUE_RATE): Define.
3326 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3327 EV4 adjustments to EV5.
3328 * alpha.md: Remove all scaling from function unit delays. Rework
3329 EV5 function units to match the CPU.
3330 (umuldi3_highpart): EV5 added the IMULH insn class.
3332 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3334 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3337 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3339 * cplus-dem.c (demangle_signature): Don't look for return types on
3340 constructors. Handle member template constructors.
3342 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3344 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3345 * tree.h: Declare them.
3347 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3349 * configure.in: Handle --with-newlib.
3350 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3352 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3354 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3356 * config/ptx4.h: Fix typo.
3358 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3360 * version.c: Bump for snapshot.
3362 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3364 * aclocal.m4: Substitute INSTALL.
3365 * configure: Re-built.
3367 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3369 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3371 (expand_inline_function): Likewise.
3373 * dwarf2out.c (output_call_frame_info): Reinstate last change
3374 using flag_debug_asm check instead of flag_verbose_asm.
3376 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3378 * dwarf2out.c (output_call_frame_info): Remove last change.
3380 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3382 * frame.c (__frame_state_for): Execute the FDE insns until the
3383 current pc value is strictly bigger than the target pc value.
3385 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3387 * regclass.c (init_reg_modes): If we can't find a mode for the
3388 register, use the previous one.
3390 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3392 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3393 don't sprintf through an alloca'ed buffer.
3395 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3397 * reload.c (decompose): Always initialize val.base.
3399 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3401 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3402 instead of aborting.
3403 * dwarf2out.c (output_call_frame_info): Call app_enable and
3404 app_disable to let GNU as accept the generated comments.
3406 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3408 * tree.h (get_file_function_name): Add declaration.
3409 * dwarf2out.c (output_call_frame_info): No need to cast
3410 get_file_function_name call anymore.
3411 * profile.c (toplevel): Remove get_file_function_name
3413 * c-lang.c (finish_file): Ditto.
3415 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3417 * Makefile.in (program_transform_name): Let autoconf substitute
3420 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3422 * haifa-sched.c (schedule_block): If the first real insn in a
3423 block has any special notes attached to it, remove them.
3425 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3427 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3429 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3431 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3433 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3435 * Makefile.in (check-g77): New test target.
3436 (CHECK-TARGETS): Add check-g77.
3438 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3440 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3442 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3444 * flow.c (print_rtl_with_bb): Cast alloca return value for
3447 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3449 * i386.h (RETURN_ADDR_RTX): New definition that works for
3450 __builtin_return_address(0) and -fomit-frame-pointer.
3452 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3454 Bring over from FSF.
3455 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3457 * mips.c (function_arg): Handle passing a struct
3458 containing a double in a DFmode register without the PARALLEL.
3460 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3462 * pexecute.c: Use spawn if __CYGWIN32__.
3464 * pexecute.c: Include "config.h" first, as per autoconf manual
3465 (from Paul Eggert <eggert@twinsun.com>).
3467 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3469 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3470 optimisation for f/expr.o and f/stb.o.
3472 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3474 * cse.c (this_insn_cc0_mode): Initialize.
3476 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3478 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3480 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3482 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3484 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3485 that pair will dual-issue on the 21164 and plus+beq won't.
3486 (bne): Likewise for cmpeq+beq.
3488 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3490 * except.c (find_exception_handler_labels): Correct argument to free.
3492 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3494 * except.c (find_exception_handler_labels): Free LABELS when we're
3497 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3499 * version.c: Bump for snapshot.
3501 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3503 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3506 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3508 * configure.in: Substitute for "install" too.
3509 * configure: Rebuilt.
3511 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3513 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3515 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3517 * alias.c (base_alias_check): Two symbols can conflict if they
3518 are accessed via AND.
3519 (memrefs_conflict_p): Likewise.
3521 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3522 after flushing argument registers to the stack.
3524 * Makefile.in (mostlyclean): Remove .regmove files.
3526 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3528 * libgcc2.c (__throw): Fix thinko.
3530 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3532 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3533 template-function mangling.
3534 (consume_count_with_underscores): New function.
3535 (demangle_signature): Handle new name-mangling scheme.
3537 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3539 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3542 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3544 * frame.c: Remove last change.
3545 * dwarf2.h: Remove last change.
3546 * tree.h: Add declarations of DWARF2 unwind info support
3549 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3551 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3552 * tree.h (built_in_function): Likewise.
3553 * expr.c (expand_builtin): Likewise.
3554 * except.h: Likewise.
3555 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3556 * libgcc2.c (copy_reg): New fn.
3559 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3561 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3562 unsigned if -W is specified and -Wno-sign-compare is not.
3563 * c-decl.c (warn_sign_compare): Initialize to -1.
3564 (c_decode_option): -Wall no longer implies -Wsign-compare.
3566 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3568 * frame.c: Include gansidecl.h for PROTO.
3569 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3570 defined. Don't declare dwarf2out_cfi_label here.
3571 * dwarf2.h: Add declarations of DWARF2 unwind info support
3573 * m68k.c: Include dwarf2.h.
3574 (output_function_prologue): Add dwarf2 support.
3575 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3576 (INCOMING_FRAME_SP_OFFSET): Likewise.
3578 * integrate.c (expand_inline_function): Make sure there is at
3579 least one insn that can be used as an insertion point.
3581 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3583 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3585 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3587 * version.c: Bump for snapshot.
3589 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3591 Bring over from FSF.
3593 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3595 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3596 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3597 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3599 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3601 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3602 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3604 (sparc_align_{loops,jumps,funcs}_string): Declare.
3605 (sparc_align_{loops,jumps,funcs}): Declare.
3606 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3607 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3608 (STACK_BIAS): Define.
3609 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3611 (SPARC_SETHI_P): New macro.
3612 (CONST_OK_FOR_LETTER_P): Use it.
3613 (ASM_OUTPUT_ALIGN_CODE): Define.
3614 (ASM_OUTPUT_LOOP_ALIGN): Define.
3615 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3616 (sparc_align_{loops,jumps,funcs}): New globals.
3617 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3619 (move_operand): Use SPARC_SETHI_P.
3620 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3622 (arith11_double_operand): Likewise.
3623 (arith10_double_operand): Likewise.
3624 (finalize_pic): Finish sparc64 support.
3625 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3626 64 bit constants if able.
3627 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3628 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3630 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3631 (get_pc_sp32): Use for sparc64 as well.
3632 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3633 (sethi_di_sp64_const): Likewise.
3634 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3635 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3636 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3638 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3640 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3641 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3642 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3644 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3646 Add sparc64 linux support.
3647 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3648 to xm_file list on 32-bit sparc-linux.
3649 * sparc/xm-sp64.h: New file.
3650 * sparc/linux64.h: New file.
3651 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3652 Don't include xm-sparc.h.
3653 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3654 * glimits.h (LONG_MAX): Handle sparc64.
3656 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3658 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3659 * sparc.h (ASM_COMMENT_START): Define.
3660 * sparc.c (output_function_prologue): Use it.
3661 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3663 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3665 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3666 use sparc.h's copies.
3667 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3670 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3672 * sparc.c (dwarf2out_cfi_label): Add declaration.
3673 (save_regs, output_function_prologue): Remove cast for it.
3674 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3675 ({save,restore}_regs): No longer inline.
3677 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3679 * fold-const.c (make_range): Correctly handle cases of converting
3680 from unsigned to signed type.
3682 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3684 * fold-const.c (merge_ranges): Make sure that if one range is subset
3685 of another, it will always be the second range. Correct (+,-) case to
3688 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3690 * final.c (final_end_function): Also do dwarf2 thing if
3691 DWARF2_DEBUGGING_INFO.
3692 (final_start_function): Likewise.
3694 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3696 * expmed.c (expand_divmod): If compute_mode is not the same as
3697 mode, handle the case where convert_modes() causes op1 to no
3698 longer be a CONST_INT.
3700 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3701 note holding get_jump_flags() calculation to all JUMP_INSNs.
3702 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3703 * rtl.c (reg_note_name): Add new note types.
3705 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3707 * rtlanal.c (computed_jump_p): Fix typo in last change.
3709 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3711 * loop.c (indirect_jump_in_function_p): Return 0
3714 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3716 * rs6000/xm-rs6000.h: Fix thinko in last change.
3717 * rs6000/xm-sysv4.h: Likewise.
3719 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3721 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3723 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3725 * reg-stack.c (find_blocks): Fix thinko in last change.
3727 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3729 * m68k.c (output_function_prologue): Add dwarf2 support.
3731 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3732 INCOMING_FRAME_SP_OFFSET): New definitions.
3734 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3736 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3737 appropriate in calls to gen_rtx().
3738 * cse.c (cse_main): Likewise.
3739 * emit-rtl.c (gen_label_rtx): Likewise.
3740 * expr.c (init_expr_once): Likewise.
3741 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3742 sched_analyze, init_rgn_data_dependences,
3743 compute_block_backward_dependences): Likewise.
3744 * sched.c (schedule_insns): Likewise.
3745 * varasm.c (immed_double_const): Likewise.
3747 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3748 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3750 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3752 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3753 (MULTILIB_DEFAULTS): Define.
3754 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3755 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3756 (LIBGCC_SPEC): Likewise.
3757 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3758 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3759 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3760 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3761 (EXTRA_PARTS, TAROUTOPTS): Delete.
3762 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3763 (MULTILIB_OPTIONS): Define.
3764 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3765 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3767 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3769 * version.c: Bump for snapshot.
3771 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3773 * loop.c (loop_number): Delete function. Change all references
3774 to use uid_loop_num array.
3775 * loop.h (loop_number): Delete declaration.
3776 * unroll.c (unroll_loop): Change "loop_number" references to
3777 use uid_loop_num instead.
3779 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3781 (loop_unroll_iter): Remove unused variable and all references.
3782 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3783 (insert_bct): Fix minor formatting problems.
3784 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3785 (loop_unroll_iter): Removed unused decl.
3786 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3787 Always record the unrolling factor.
3789 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3790 Similarly for h1u and h1s.
3792 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3793 (find_basic_blocks): Use computed_jump_p to determine if a
3794 particular JUMP_INSN is a computed jump.
3795 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3796 if a particular JUMP_INSN is a computed jump.
3797 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3798 (computed_jump_p): Likewise.
3799 * rtl.h (computed_jump_p): Declare.
3800 * genattrtab.c (pc_rtx): Define and initialize.
3801 * loop.c (loop_optimize): Always determine if the current
3802 function has a computed jump.
3803 (indirect_jump_in_function_p): Use computed_jump_p to determine
3804 if a particular JUMP_INSN is a computed jump.
3806 * loop.c (fix_bct_param): Delete unused function.
3807 (check_bct_param): Likewise.
3809 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3811 * frame.c (__deregister_frame): Check properly for initialized object.
3813 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3815 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3817 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3819 * jump.c (thread_jumps): check can_reverse_comparison_p before
3820 threading a reversed-condition jump.
3822 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3823 * haifa-sched.c (update_flow_info): Likewise.
3825 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3827 * Makefile.in (BOOT_CFLAGS): Use -O2.
3829 * configure.in (strtoul, bsearch): Have autoconf check for these
3831 * configure, config.in: Rebuilt.
3833 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3834 * mips/mips.h (alloca): Likewise.
3835 * rs6000/xm-rs6000.h (alloca): Likewise.
3836 * rs6000/xm-sysv4.h: Likewise.
3838 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3840 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3841 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3842 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3844 * except.c (end_eh_unwinder): Subtract 1 from return address.
3845 * libgcc2.c (__throw): Likewise.
3846 (find_exception_handler): Don't change PC here. Compare end with >.
3848 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3850 * v850.c (compute_register_save_size): Correct register
3852 * v850.md (save_interrupt, return_interrupt): Correct
3854 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3855 (return_interrupt): Use stack pointer, not element pointer.
3857 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3859 * configure.in, configure: Make sure to create the stage* and include
3860 symbolic links in each subdirectory.
3862 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3864 * pa.md (reload_peepholes): Don't allow addresses with side
3865 effects for the memory operand.
3867 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3869 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3870 looking for a handler, to avoid hitting the beginning of the next
3873 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3875 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3877 * mips/abi64.h (LONG_MAX_SPEC): Define.
3878 * mips.h (LONG_MAX_SPEC): Define.
3879 (CPP_SPEC): Include long_max_spec.
3880 (EXTRA_SPECS): Include long_max_spec.
3882 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3884 * v850.c (construct_save_jarl): Fix thinko in last change.
3886 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3888 * version.c: Bump for snapshot.
3890 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3892 * libgcc2.c (find_exception_handler): Not found is -1.
3894 * integrate.c (expand_inline_function): Move expand_start_bindings
3895 after expanding the arguments.
3897 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3899 * expr.c (expand_expr): Remove previous incorrect change.
3900 If target and slot has no DECL_RTL, then call mark_addressable
3901 again for the slot after we give it RTL.
3903 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3905 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3906 again for the slot after we give it RTL.
3908 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3910 * v850.c (register_is_ok_for_epilogue,
3911 pattern_is_ok_for_epilogue, construct_restore_jr,
3912 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3914 * v850.h (pattern_is_ok_for_prologue,
3915 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3918 * v850.md: Replace prologue and epilogue patterns with a
3919 match_parallel pattern.
3921 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3923 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3924 * configure.in: Use EGCS_PROG_INSTALL.
3926 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3928 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3929 extern inline function.
3931 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3933 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3934 (concat_loc_descriptor): New function.
3935 (loc_descriptor): Call it.
3936 (add_AT_location_description): Also elide the descriptor if both
3937 halves of a CONCAT are pseudos.
3938 (add_location_or_const_value_attribute): Recognize CONCAT too.
3940 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3942 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3944 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3945 out-or-range reg_offset.
3946 (output_epilog): Likewise.
3948 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3950 * cse.c (simplify_relational_operation): If MODE specifies a
3951 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3952 is derived from the sign bit of the low word.
3954 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3956 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3958 * dwarf2.h: Add DW_CFA_GNU_args_size.
3959 * frame.c (execute_cfa_insn): Likewise.
3960 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3961 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3962 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3963 insn, hand it off to dwarf2out_stack_adjust.
3964 (dwarf2out_begin_prologue): Initialize args_size.
3965 * frame.h (struct frame_state): Add args_size.
3966 * libgcc2.c (__throw): Use args_size.
3967 * final.c (final_scan_insn): If we push args, hand off all insns
3968 to dwarf2out_frame_debug.
3969 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3971 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3972 Handle epilogue restore of SP from FP.
3973 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3974 lone insn has RTX_FRAME_RELATED_P set.
3976 * frame.c (extract_cie_info): Handle "e" augmentation.
3977 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3978 absence of UNALIGNED_*_ASM_OP.
3979 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3980 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3981 Don't emit augmentation fields length.
3982 (dwarf2out_do_frame): Move outside of #ifdefs.
3983 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3986 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3987 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3988 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3989 * sparc/sun4gas.h: New file.
3990 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3992 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3993 __register_frame_table and __deregister_frame.
3995 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3997 * except.c (find_exception_handler_labels): Use xmalloc instead of
3998 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4001 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4003 * Makefile.in: Various changes to build info files
4004 in the object tree rather than the source tree.
4006 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4008 * fixinc.math: New file to fix math.h on some systems.
4009 * configure.in (freebsd, netbsd): Use fixinc.math on these
4011 * configure: Rebuilt.
4013 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4015 * regmove.c (regmove_optimize): If we end up moving the
4016 original insn due to lifetime overlaps, make sure to move
4019 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4021 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4023 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4025 * haifa-sched.c (add_branch_dependences): Make each insn in
4026 a SCHED_GROUP_P block explicitly depend on the previous insn.
4028 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4030 * except.h: Prototype dwarf2 hooks.
4033 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4035 * configure.in (native_prefix): Delete.
4036 (mips-dec-netbsd): Don't set prefix.
4037 (*linux*): Don't set prefix.
4039 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4041 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4042 defined. If not defined, include <sys/varargs.h> if
4043 HAVE_SYS_VARARGS_H is defined.
4044 * configure.in: Test for varargs.h and sys/varargs.h.
4045 * configure: Regenerate with autoconf.
4046 * config.in: Regenerate with autoheader.
4048 * cpplib.c (quote_string): Cast first arg of sprintf call
4049 from "unsigned char *" to "char *".
4050 (output_line_command): Ditto.
4051 (macroexpand): Ditto.
4052 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4054 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4056 * version.c: Bump for snapshot.
4058 * Makefile.in (compare): Exit with nonzero status if there
4059 are comparison failures. Note which files failed the
4060 comparison test in .bad_compare.
4062 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4064 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4066 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4068 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4069 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4070 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4071 * configure: Regenerated.
4073 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4075 * loop.c (strength_reduce): Fix typo.
4077 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4079 * m88k/m88k.c (struct option): Rename to struct options.
4080 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4081 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4082 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4083 __DOLPHIN__ or sysV88.
4085 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4087 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4090 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4092 * config.sub: Accept 'amigados' for backward compatability.
4094 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4096 * Makefile.in (testsuite/site.exp): New target.
4097 (check-gcc, check-g++): Depend on testsuite/site.exp.
4098 Don't stop for failure.
4100 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4102 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4103 if DWARF2_UNWIND_INFO.
4105 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4107 Add support for exception handling using DWARF 2 frame unwind info.
4108 Currently works on SPARC and MIPS, and almost on x86.
4110 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4111 next_stack_level, in_reg_window): Helper fns.
4112 (__throw): Implement for DWARF2_UNWIND_INFO.
4114 * expr.c (expand_builtin): Handle builtins used by __throw.
4115 * tree.h (enum built_in_function): Add builtins used by __throw.
4116 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4117 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4118 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4119 (expand_builtin_extract_return_addr): Likewise.
4120 (expand_builtin_frob_return_addr): Likewise.
4121 (expand_builtin_set_return_addr_reg): Likewise.
4122 (expand_builtin_eh_stub): Likewise.
4123 (expand_builtin_set_eh_regs): Likewise.
4124 (eh_regs): Choose two call-clobbered registers for passing back values.
4126 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4127 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4128 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4129 (stmp-multilib): Likewise.
4130 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4132 * except.c: #include "defaults.h".
4133 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4134 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4135 (register_exception_table_p): New fn.
4136 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4137 (end_eh_unwinder): Likewise.
4139 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4140 call __register_frame and __deregister_frame as needed.
4141 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4142 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4143 EH_FRAME_SECTION_ASM_OP.
4144 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4145 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4146 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4148 * dwarf2out.c (output_call_frame_info): If no support for
4149 EXCEPTION_SECTION, mark the start of the frame info with a
4151 * collect2.c (frame_tables): New list.
4152 (is_ctor_dtor): Recognise frame entries.
4153 (scan_prog_file): Likewise.
4154 (main): Pass -fno-exceptions to sub-compile. Also do collection
4155 if there are any frame entries.
4156 (write_c_file_stat): Call __register_frame_table and
4157 __deregister_frame as needed.
4158 (write_c_file_glob): Likewise.
4160 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4161 Also require unaligned reloc support.
4162 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4163 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4164 * sparc/sysv4.h: Not here.
4166 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4167 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4168 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4170 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4171 EH implementations to the top.
4172 (find_exception_handler): Split out. Start from 0. Compare against
4174 (__find_first_exception_table_match): Use it.
4175 * except.c (output_exception_table): Don't do anything if there's
4176 no table. Don't output a first entry of zeroes.
4177 (eh_outer_context): Adjust properly.
4178 (add_eh_table_entry): Use xrealloc.
4179 * toplev.c (compile_file): Just call output_exception_table.
4181 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4183 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4185 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4187 * except.c (eh_outer_context): Do masking using expand_and.
4189 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4191 Add port done awhile ago for the ARC cpu.
4192 * arc/arc.h: New file.
4193 * arc/arc.c: New file.
4194 * arc/arc.md: New file.
4195 * arc/initfini.c: New file.
4196 * arc/lib1funcs.asm: New file.
4197 * arc/t-arc: New file.
4198 * arc/xm-arc.h: New file.
4199 * ginclude/va-arc.h: New file.
4200 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4201 * ginclude/varargs.h: Likewise.
4202 * Makefile.in (USER_H): Add va-arc.h.
4203 * configure.in (arc-*-elf*): Recognize.
4204 * longlong.h: Add ARC support.
4206 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4208 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4209 when clearing non-BLKmode data.
4211 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4213 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4214 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4216 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4218 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4220 * Makefile.in (clean): Delete libgcc1-test.
4222 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4224 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4226 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4229 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4231 * dwarf2out.c (output_call_frame_info): Call named_section.
4233 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4235 * haifa-sched.c (print_value): Fix last change.
4237 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4239 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4242 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4244 * mips.c (function_prologue): Set up the CFA when ABI_32.
4246 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4247 for dwarf2 unwind info.
4248 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4250 * final.c (final_end_function): Check dwarf2out_do_frame instead
4251 of DWARF2_DEBUG for dwarf2 unwind info.
4252 (final_scan_insn): Likewise.
4253 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4256 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4259 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4261 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4263 * v850.h (ASM_SPEC): Pass on target processor.
4264 (CPP_PREDEFINES): Only define if not already specified.
4265 (TARGET_VERSION): Only define if not already specified.
4266 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4268 (EXTRA_SWITCHES): Extra entries in the switches array.
4269 (TARGET_DEFAULT): Set default target processor.
4271 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4273 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4274 cases, add %# and %/, and add : to make them into extended asms.
4276 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4278 * alias.c (init_alias_analysis): Clean up incompatible pointer
4279 type warning in bzero.
4280 * regmove.c (regmove_optimize): Ditto.
4281 * haifa-sched.c (find_rgns): Ditto.
4283 * haifa-sched.c (print_value): Clean up ptr->int cast
4286 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4288 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4289 * install.texi (Configurations): Ditto.
4290 * config.sub: Ditto.
4292 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4294 * Makefile.in (sdbout.o): Depend on insn-config.h.
4296 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4298 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4299 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4301 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4303 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4304 prologue insn, only the first elt is significant.
4305 (output_call_frame_info): For exception handling, always use 4-byte
4306 fields as specified by the dwarf2 spec.
4307 Don't skip trivial FDEs.
4309 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4311 * version.c: Bump for snapshot.
4313 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4315 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4316 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4319 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4321 * final.c (shorten_branches): During first pass, assume worst
4322 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4324 * Makefile.in (distclean): Remove various things left around
4325 by running the testsuite.
4327 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4329 * configure.in (out_file): Emit definition to config.status in order
4330 to have a defined value for configure.lang.
4331 * configure: Re-built.
4333 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4335 * configure.in: Make symlink to as-new rather than as.new. Similarly
4337 * configure: Rebuilt.
4339 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4341 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4343 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4345 * sparc/sparc.md: Add ultrasparc scheduling support.
4346 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4348 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4350 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4351 as initial value for real_label_map.
4352 (copy_for_inline): Likewise.
4354 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4356 * sched.c (update_flow_info) When looking if to set found_split_dest
4357 or found_orig_dest, look at all parts of a PARALLEL.
4358 * haifa-sched.c (update_flow_info): Likewise.
4360 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4362 * v850: New directory for v850 port.
4363 * v850/lib1funcs.asm: New file.
4364 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4365 * ginclude/va-v850.h: New file.
4366 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4367 * configure.in (mn10200-*-*): New target.
4368 * configure: Rebuilt.
4369 * config.sub: Handle v850-elf.
4370 * Makefile.in (USER_H): Add va-mn10200.h.
4371 * invoke.texi: Document v850 stuff.
4373 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4375 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4376 has integer TYPE_{MAX,MIN}_VALUE before using them.
4378 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4379 __HPUX_ASM__ versions.
4381 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4383 * install.sh: Delete duplicate install script.
4385 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4387 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4388 computed goto which sets the same stack register.
4390 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4391 destination are both on the regstack.
4392 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4394 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4396 * mips.md (nonlocal_goto_receiver): Define.
4398 * profile.c (output_arc_profiler): Check next_insert_after for non
4399 NULL before deferencing it.
4401 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4403 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4405 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4407 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4409 * toplev.c (rest_of_compilation): For passes starting with
4410 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4412 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4415 * flow.c (print_rtl_with_bb): Print which insns start and end
4416 basic blocks. For the start of a basic block, also print the live
4419 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4421 * toplev.c (main): Change #elif to #else/#ifdef
4423 * tlink.c: Include ctype.h.
4424 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4426 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4428 * bitmap.c: Conditionally include stdlib.h.
4429 (free): Provide a declaration if NEED_DECLARATION_FREE.
4431 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4433 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4435 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4437 * profile.c (output_arc_profiler): Verify next_insert_after is an
4438 INSN before and after skipping a stack pop.
4440 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4442 * final.c (shorten_branches): Don't count the lengths of deleted
4445 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4447 * version.c: Bump for snapshot.
4449 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4451 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4452 two bitmaps ANDed together.
4453 (bitmap_print): Declare.
4455 * bitmap.c (function_obstack): Don't declare any more.
4456 (bitmap_obstack): Obstack for allocating links from.
4457 (bitmap_obstack_init): New static to say whether to initialize
4459 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4460 (bitmap_release_memory): Free all memory allocated from
4463 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4464 EXECUTE_IF_AND_IN_BITMAP.
4466 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4468 * alias.c (true_dependence): Address with AND can alias scalars.
4469 (anti_dependence, output_dependence): Likewise.
4471 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4473 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4475 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4476 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4477 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4478 definitions. Use -qrtems instead of -mrtems.
4480 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4482 * xm-sco5.h (sys_siglist): Define.
4483 (SYS_SIGLIST_DECLARED): Likewise.
4485 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4487 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4489 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4491 * except.c (eh_outer_context): Expand masking operation using
4494 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4496 * alpha.md (floatdisf2-1): New pattern.
4498 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4500 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4501 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4502 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4503 * gcc.texi: Note that if you define sys_siglist that you should
4504 also define SYS_SIGLIST_DECLARED.
4506 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4507 are relative to the next instruction, not the current instruction.
4509 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4511 * local-alloc.c (contains_replace_regs): New function.
4512 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4513 verify that there is no existing REG_EQUIV note, and add a call to
4514 contains_place_regs.
4516 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4518 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4519 (STARTFILE_SPEC): Always use crtbegin.o%s
4520 (ENDFILE_SPEC): Always use crtend.o%s.
4522 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4524 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4526 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4527 SFmode for 64 bit hosts.
4529 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4531 * fixincludes: Permits spaces between # and define. Discard C++
4532 comments in sys/pci.h on HP/UX 10.20.
4534 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4536 * version.c: Bump for snapshot.
4538 * pa.c (restore_unscaled_index_insn_codes): New function.
4539 (record_unscaled_index_insn_codes): Likewise.
4540 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4541 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4542 (pa_reorg): Call record_unscaled_index_insn_codes.
4544 * haifa-sched.c (move_insn): Handle notes correctly for insns
4545 with SCHED_GROUP_P set.
4547 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4549 * alpha/xm-linux.h (USE_BFD): Undef before define.
4551 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4553 * cse.c (cse_insn): Don't record BLKmode values.
4555 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4557 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4559 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4561 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4562 * collect2.c (sys_errlist): Likewise.
4563 * cpplib.c (sys_errlist): Likewise.
4564 * gcc.c (sys_errlist): Likewise.
4565 * protoize (sys_errlist): Likewise.
4566 * configure.in: Check for strerror.
4567 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4568 * xm-gnu.h (HAVE_STRERROR): Likewise.
4569 * xm-linux.h (HAVE_STRERROR): Likewise.
4570 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4571 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4572 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4573 * xm-dos.h (HAVE_STRERROR): Likewise.
4574 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4575 * xm-pa.h (HAVE_STRERROR): Likewise.
4576 * xm-papro.h (HAVE_STRERROR): Likewise.
4577 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4578 * configure, config.in: Rebuilt.
4580 * Makefile.in: Add several missing "else true" clauses.
4582 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4583 * mips-tfile.c: Likewise.
4584 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4585 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4586 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4587 * configure.in: Check for sys_siglist declaration.
4588 * configure, config.in: Rebuilt.
4590 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4592 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4593 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4594 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4595 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4596 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4597 macro EXTRA_SUBTARGET_SWITCHES.
4598 * configure.in (sh*-*-rtems*): New target.
4599 * sh/rtems.h: New file.
4600 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4601 * configure: Rebuilt.
4603 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4605 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4607 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4609 * rs6000.md: Make DF fused-add operations pay attention to
4612 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4614 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4616 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4618 * pa.md (reload_peepholes): Make sure operand is a REG before
4619 examining REGNO. Allow general registers too.
4621 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4623 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4625 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4627 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4628 to reallocate abbrev_die_table.
4630 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4632 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4634 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4636 * Makefile.in (config.status): Depend on version.c
4638 * expr.h (insn_gen_function): Reenable prototype.
4640 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4643 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4645 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4647 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4649 * version.c: Bump for latest snapshot.
4651 * bc-optab.c: Conditionally include stdlib.h.
4652 (free): Provide a declaration if NEED_DECLARATION_FREE.
4653 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4654 * rtl.h (free): Remove declaration.
4655 * tree.h (free): Remvoe declaration.
4657 * configure: Rebuilt.
4659 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4661 * flags.h (flag_move_all_movables): Declare.
4662 (flag_reduce_all_givs): Likewise.
4663 * loop.c (move_movables): Handle flag_move_all_movables.
4664 (strength_reduce): Handle flag_reduce_all_givs.
4665 * toplev.c (flag_move_all_movables): Define.
4666 (flag_reduce_all_givs): Likewise.
4667 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4668 * invoke.texi: Document new options, including alias stuff that
4669 wasn't included last time.
4671 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4673 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4676 * t-vxworks68: Ditto.
4677 * t-vxworks960: Ditto.
4680 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4682 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4683 if not already defined, and USE_C_ALLOCA not defined.
4685 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4687 * config.guess: Replace with script that uses ../config.guess.
4689 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4690 if USE_GNULIBC_1 is not defined.
4692 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4694 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4695 * config.guess: Recognize alpha-linux-gnulibc1.
4696 * configure.in (alpha-*-linux-gnulibc1): New target.
4697 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4699 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4701 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4704 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4706 * loop.c (combine_movables): Earlier insns don't match later ones.
4708 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4710 * config/linux.h (CC1_SPEC): Define it only if not defined.
4712 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4715 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4716 USE_GNULIBC_1 is not defined.
4718 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4720 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4721 as 1 if USE_GNULIBC_1 is not defined.
4723 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4725 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4726 to be something other than a REG.
4727 * function.c (expand_function_end): Fix current_function_return_rtx
4730 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4731 * x-netbsd: Likewise
4732 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4733 (INSTALL_HEADERS): Delete.
4734 * x-dguxbcs: Likewise.
4735 * x-hp3bsd44: Likewise
4738 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4740 * i386.md (pop): pop increments the stack pointer.
4741 (prologue_set_stack_ptr): New pattern.
4742 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4745 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4747 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4748 address where an offsettable address is required.
4750 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4752 * loop.c (check_final_value): Don't miss a biv increment in a
4755 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4757 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4758 TYPE_DECL_IS_STUB instead of DECL_NAME.
4760 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4762 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4764 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4766 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4768 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4770 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4771 (find_post_sched_live): Likewise.
4773 * haifa-sched.c (schedule_block): Remove old code to get arguments
4774 from hard regs into pseudos early.
4776 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4778 * version.c: Bump for new snapshot.
4780 * local-alloc.c (update_equiv_regs): All the target to reject
4781 promotion of some REG_EQUAL to REG_EQUIV notes.
4782 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4784 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4787 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4788 store of the argument registers.
4790 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4792 * fold-const.c (multiple_of_p): New function.
4793 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4795 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4797 * expr.h (insn_gen_function): Temporarily remove prototype.
4799 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4801 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4802 filenames. Use sed to extract base filename for install.
4804 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4806 * unroll.c (find_splittable_givs): Only share if two givs have the
4807 same add and multiply values.
4809 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4811 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4812 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4814 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4816 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4817 around branch tables.
4818 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4819 and .end_brtab directives if TARGET_GAS.
4821 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4823 * alias.c (true_dependence): Pass x_addr not x to varies.
4825 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4826 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4827 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4829 * config.in, configure: Regenerate.
4831 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4833 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4835 (record_set): Handle LO_SUM like PLUS.
4836 (init_alias_analysis): When following chains of base addresses,
4837 do not stop on reaching a hard register.
4839 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4841 * version.c: Bump for new snapshot.
4843 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4845 * alpha.h (ARCH_ASM_FILE_START): Define.
4846 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4847 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4849 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4851 * Makefile.in (install-common): Put gcov comment at start of line.
4853 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4855 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4856 array, simplify entries for hard registers too.
4858 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4860 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4863 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4865 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4866 block_stack before dereferencing it.
4868 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4870 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4872 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4874 * cplus-dem.c: Add 'extern' to prepends_underscore.
4876 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4878 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4879 (get_issue_rate): Delete.
4880 * pa.h (ISSUE_RATE): Define.
4882 * configure.in: Turn on haifa by default for the PA.
4883 * configure: Rebuilt.
4884 * pa.c (override_options): Accept -mschedule=7200 option.
4885 (pa_adjust_cost): No longer need to scale costs for newer
4887 * pa.h (enum processor_type): Add PROCESSOR_7200.
4888 * pa.md: Revamp scheduling parameters to work better with
4889 haifa. Add scheduling parameters for the 7200.
4891 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4893 (schedule_block): When adjusting basic_block_{head,end}, account
4894 for movement of SCHED_GROUP_P insns too.
4896 * haifa-sched.c (debug_dependencies): Fix thinko.
4898 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4899 (site.exp, check, check-g++, check-gcc): New targets.
4901 * haifa-sched.c: Make lots of variables static.
4903 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4905 * expr.h, real.h: Finish prototyping.
4907 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4909 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4910 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4911 * reload1.c: Undo bugfix from Aug 11.
4913 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4915 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4916 quotes around the name.
4917 * configure: Regenerate.
4919 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4921 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4923 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4925 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4926 to sub-makes to avoid building more passes than the user might have
4927 requested on the command line.
4929 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4931 * configure.in: Expurgate `broken_install' (install is
4934 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4937 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4939 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4940 functions and declarations.
4941 (analyze_loop_iterations): Use condjump_p.
4942 (insert_bct): Likewise. Use exact_log2.
4944 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4946 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4947 (schedule_region): Likewise.
4948 (schedule_insns): Likewise.
4950 * PROJECTS: Update with Haifa stuff.
4952 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4954 * version.c: Change the version string to look like:
4955 egcs-2.90.00 970814 (gcc2-970802 experimental).
4957 * loop.c (is_conditional_branch): Make definition match declaration.
4959 * gcc.c: Take out experimental snapshot warning message.
4961 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4963 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4964 print out the names of the notes. Print out the name of the insn
4965 that is not a note, and not an {,CALL_,JUMP_}INSN.
4967 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4969 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4970 again for the slot after we give it RTL.
4972 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4974 * configure.in (haifa configury): Fix typo.
4975 * configure: Regenerate.
4977 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4979 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4981 * gcc.info*: Rebuilt.
4983 * COPYING.g77, README.g77: New files.
4984 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4985 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4986 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4988 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4990 * Integrate Haifa instruction scheduler.
4991 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4992 to sched with $(SCHED_CFLAGS.
4993 * configure.in: Handle --enable-haifa.
4994 * configure: Rebuilt.
4995 * flags.h: Add new flags for haifa instruction scheduler.
4996 * genattrtab.c (expand_units): For haifa, don't subtract one
4997 when computing blockage.
4998 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4999 (flag_schedule_speculative): Ditto.
5000 (flag_schedule_speculative_load): Ditto.
5001 (flag_schedule_speculative_load_dangerous): Ditto.
5002 (flag_schedule_reverse_before_reload): Ditto.
5003 (flag_schedule_reverse_after_reload): Ditto.
5004 (flag_branch_on_count_reg): Ditto.
5005 (f_options): Add Haifa switches.
5006 (main): Turn off some Haifa options if appropriate macro is
5007 defined. Process Haifa switches.
5008 * unroll.c (iteration_info): No longer static, since Haifa
5010 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5011 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5012 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5013 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5014 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5015 storage for the Haifa scheduler.
5016 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5018 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5019 are defined, call analyze_loop_iterations and insert_bct to use
5021 (record_giv): Refine test for jumps out of loops if HAIFA is
5023 (analyze_loop_iterations): New function to identify if we can use
5025 (insert_bct): Insert countdown loop.
5026 (instrument_loop_bct): Low level code to insert countdown loop.
5027 (loop_number): Calculate UID of loop.
5028 (indirect_jump_in_function_p): Return true if an indirect jump is
5030 (is_power_of_2): Return true if value is a power of 2.
5031 (is_conditional_branch): Return true if insn is a conditional
5033 (fix_bct_param): Process -fbct-{min,max}-N switches.
5034 (check_bct_param): Return true if loop should be instrumented.
5035 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5036 (loop_optimize): Initialize.
5037 (get_condition_for_loop): Ditto.
5038 * loop.c (strength_reduce): Inside of code that uses #ifdef
5039 HAVE_decrement_and_branch_on_count code, test it to make sure the
5041 (instrument_loop_bct): Ditto.
5042 * haifa-sched.c: New file.
5045 * Integrate regmove pass.
5046 * Makefile.in (OBJS): Add regmove.o
5047 (regmove.o): Add dependencies.
5048 * flow.c (find_use_as_address): No longer static.
5049 * rtl.h (find_use_as_address): Declare.
5050 * toplev.c (regmove_dump, flag_regmove): Define.
5051 (f_options): Add -fregmove.
5052 (regmove_dump_file, regmove_time): Define.
5053 (fatal_insn): Close the regmove dump file.
5054 (compile_file): Initialize regmove_time; open/close the regmove dump
5055 file as needed. Print regmove time as needed.
5056 (rest_of_compilation): Run regmove pass if requested, dump
5057 RTL after regmove if requested.
5058 (main): If -O2 or more, turn on regmove. Handle dump switches.
5059 * regmove.c: New file.
5061 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5063 * Integrate tlink patch from jason@cygnus.com
5064 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5065 (process_command): Increment n_switches for them. Don't discard
5066 their args. Validate them.
5067 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5069 (process_command): Set include_prefixes from COMPILER_PATH.
5070 (main): Set COLLECT_GCC_OPTIONS sooner.
5071 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5072 * tlink.c, hash.c, hash.h: New files.
5073 * Makefile.in (USE_COLLECT2): Always use collect2.
5074 (collect2): Depend on and link in hash.o and tlink.o.
5075 (tlink.o, hash.o): Add dependencies.
5077 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5079 * Integrate alias analysis changes from jfc@mit.edu
5080 * Makefile.in (OBJS): Add alias.o
5081 (alias.o): Add dependencies.
5082 * alias.c: New file.
5083 * sched.c: Remove alias analysis code. It lives in alias.c now.
5084 (sched_analyze_2): Add new arguments to true_dependence.
5085 (schedule_insns): Always call init_alias_analysis.
5086 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5087 mark return value from such functions as a pointer and keep track of
5088 them for alias analysis. If a return value from a function is a
5089 pointer, mark it as such.
5090 * combine.c (distribute_notes): Handle REG_NOALIAS.
5091 * cse.c (struct write_data): Delete. No longer needed.
5092 (invalidate): Don't call set_nonvarying_address_components anymore.
5093 Use true_dependence to decide if an entry should be removed from
5095 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5097 (note_mem_written): Similarly for WRITE_PTR argument.
5098 (invalidate_from_clobbers): Similarly for W argument.
5099 (invalidate_for_call): Remove memory elements from the hash table.
5100 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5101 (cse_rtx_varies_p): New function. Derived from old
5102 cse_rtx_addr_varies_p.
5103 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5104 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5105 pointer if PUSH_ROUNDING is defined. No longer need to call
5106 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5107 (skipped_writes_memory): Remove variable.
5108 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5109 (invalidate_skipped_block): Simplify for new alias analysis code.
5110 (cse_set_around_loop): Likewise.
5111 (cse_main): Call init_alias_analysis.
5112 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5113 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5114 (f_options): Add new alias checking arguments.
5115 (main): Set flag_alias_check when optimizing.
5116 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5118 (memref_referenced_p): Likewise.
5119 * loop.c (NUM_STORES): Increase to 30.
5120 (prescan_loop): Only non-constant calls set unknown_address_altered.
5121 (invariant_p): Add new arguments to true_dependence.
5122 (record_giv): Initialize unrolled and shared fields.
5123 (emit_iv_add_mult): Call record_base_value as needed.
5124 * loop.h (struct induction): Add unrolled and shared fields.
5125 * unroll.c (unroll_loop): Call record_base_value as needed.
5126 (copy_loop_body): Likewise.
5127 (final_biv_value): Likewise.
5128 (final_giv_value): Likewise.
5129 (find_splittable_regs): Likewise. Only create one new pseudo
5130 if we have multiple address GIVs that were combined with the same
5131 dst_reg GIV. Note when a new register is created due to unrolling.
5132 * rtl.c (reg_note_name): Add REG_NOALIAS.
5133 * rtl.h (enum reg_note): Similarly.
5134 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5135 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5136 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5137 (true_dependence, read_dependence, anti_dependence): Likewise.
5138 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5139 (mark_user_reg, mark_reg_pointer): Likewise.
5142 * Integrate reload bugfix from Wilon which enables the PA port
5144 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5145 OPERAND_ADDRESS when computing how many registers an insn needs.
5146 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5148 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5150 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5151 in reload_reg_use_in_op_addr do not reach the end.
5152 do not reach the end.
5153 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5154 RELOAD_FOR_OPERAND_ADDRESS.
5156 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5158 * egcs project officially starts.
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