1 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * gansidecl.h: Check for a conflicting macro definition before
4 attempting to prototype bcopy, bcmp or bzero.
6 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
8 * expr.c (clear_pending_stack_adjust): Handle case where a function
9 calls alloca, but the user has specified -fomit-fframe-pointer.
11 * function.c (assign_parms): Fix typo in last change.
13 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
15 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
17 (free_path_suffix): Remove unreferenced static function.
18 (process_command): Remove unused variable temp.
19 (default_arg): Remove unused variable i.
20 (do_spec_1): Add parens for assignment used as truth value.
22 (validate_all_switches): Likewise.
23 (main): Remove unused variables i, first_time>
25 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
27 * calls.c (expand_call): Remove unused variables funtree,
30 * dbxout.c, except.c: Include <string.h>/<strings.h>.
32 * explow.c: (plus_constant_for_output_wide) Removed unused
33 variable all_constant.
35 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
36 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
37 genrecog.c, global.c, integrate.c , stupid.c : Include
40 * genextract.c: (walk_rtx) Remove unused variable link.
42 * genrecog.c: (concat) Remove unreferenced static function.
44 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
46 * stmt.c: Include <stdlib.h>.
47 (expand_asm_operands): Remove unused variable val1.
48 (expand_return): Remove unused variable block.
49 (pushcase): Remove unused variables l and n.
50 (pushcaserange): Likewise.
52 * unroll.c (unroll_loop): Remove unused variable temp.
54 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
56 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
58 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
60 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
61 functions for whether they support the %p format specifier.
62 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
63 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
64 * configure, config.in: Rebuild.
66 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
68 * function.c (assign_parms): New variable named_arg, with value
69 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
71 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
73 * mips/t-r3900: New - same as t-ecoff but eliminate
74 multilibs: mips1 and mips3.
75 * configure.in (tx39*): Use new mips/t-r3900.
77 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
79 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
81 * dwarf2out.c: Add old_args_size.
82 (dwarf2out_args_size): Use it.
83 (dwarf2out_begin_prologue): Initialize it.
84 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
85 pushed args until we see a call.
86 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
87 before outputting them.
89 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
91 * cplus-dem.c (demangle_template_template_parm): New function.
92 (demangle_template): Handle template template parameters.
94 1998-02-02 Mark Mitchell <mmitchell@usa.net>
96 * calls.c (expand_call): Don't confuse member functions named
97 realloc, setjmp, and so forth with the standard library
98 functions of the same names.
100 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
102 * stmt.c (expand_asm_operands): Correctly identify asm statements
105 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
107 * c-common.c (decl_attributes): Flag unrecognized attribute
108 functions as warnings instead of as errors.
110 1998-02-05 Marc Lehmann <pcg@goof.com>
112 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
113 when -Os is specified.
114 * toplev.c (main): Don't disable flag_inline_functions anymore when
117 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
120 * flags.h (flag_regmove): Declare.
121 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
122 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
123 Moved into regmove; changed caller.
124 * toplev.c (rest_of_compilation): Call regmove_optimize also for
125 expensive_optimizations.
127 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
129 * version.c: Bump for snapshot.
131 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
132 Undo this change (the problem was actually in reload):
133 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
135 * sh.md (movqi_i+1): New peephole.
137 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
139 * jump.c (jump_optimize): Lose calls to modified_in_p they are
140 not needed anymore due to changes elsewhere in jump.c.
142 * jump.c (jump_optimize): Fix first arg to modified_in_p in
145 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
147 * expr.c (expand_builtin_setjmp): Accept two new arguments for
148 the labels to branch to on first and subsequent executions. Don't
149 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
150 and provide it with the jmp_buf. Use only one of
151 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
152 and provide the former with the target label.
153 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
154 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
155 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
156 insn to replace all of the normal nonlocal_goto code. Don't play
157 with __dummy. Correct arguments to nonlocal_goto.
158 * expr.h (expand_builtin_setjmp): Update prototype.
159 * except.c (start_dynamic_handler): When using builtin_setjmp,
160 generate more accurate flow information.
162 * alpha.md (nonlocal_goto_receiver_osf): Delete.
163 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
164 (builtin_longjmp, builtin_setjmp_receiver): New.
165 * sparc.md (update_return): Disambiguate unspec number.
166 (nonlocal_goto): Rearrange arguments to match caller in except.c.
167 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
169 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
170 (builtin_setjmp_setup*, builtin_longjmp): New.
172 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
174 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
176 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
178 * vmsconfig.com: Remove bytecode references.
180 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
182 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
183 -fno-sjlj-exceptions works for a target that defines
184 DWARF2_UNWIND_INFO as zero.
186 * regmove.c (fixup_match_1): Undo last change which removed some
187 "useless" code, and add a comment explaining this.
189 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
191 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
194 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
196 * makefile.vms: Remove bytecode references.
199 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
201 * jump.c (jump_optimize): Allow conditional loading of floating point
202 constants and constants from memory. Reinstalled modified_in_p tests.
204 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
206 * loop.c (get_condition): Handle sign-extended constants.
208 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
210 * expr.c (emit_push_insn): Add code to use movstrti if present.
212 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
213 and movstrqi as in emit_block_move ().
215 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
217 * config/m68k/x-next: Remove /NextDeveloper/Headers from
218 the directories to fixinclude - /usr/include is a link
219 to it and hence its contents are fixed by default.
221 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
223 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
225 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
227 * cccp.c (main): Predefine __VMS_VER on VMS.
229 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
231 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
232 * fold-const.c (size_int): Replace with
234 (make_bit_field_ref): Use bitsize_int for bit position.
235 * stor-layout.c (sizetype): Delete.
236 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
237 (layout_record, layout_union, layout_type):
238 Use bitsize_int for bit size.
239 (set_sizetype): New function.
240 (make_signed_type, make_unsigned_type): Use it.
241 * c-decl.c (init_decl_processing): Likewise.
242 * tree.h (size_int): Don't delcare, #define.
243 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
244 (set_sizetype): Declare.
245 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
247 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
248 Convert result to sizetype.
249 (really_start_incremental_init, push_init_level):
250 Set type of constructor_bit_index to sbitsizetype.
251 (push_init_level): Use unsigned arithmetic to determine padding.
252 (output_init_element): Likewise.
254 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
256 * combine.c (simplify_shift_const): Fix typo in last change.
258 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
260 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
261 is (truncate (lshiftrt)).
263 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
265 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
266 Make sure result winds up in TGT.
267 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
268 src to be other than DImode.
269 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
270 (alpha_expand_unaligned_store_words): Likewise.
271 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
272 that source and destination are separately optimized for alignment.
273 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
275 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
277 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
278 with handling of -32768.
280 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
283 shell variable argument instead of only hard coded functions.
284 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
286 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
287 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
288 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
289 declarations for bcopy, bcmp and bzero.
291 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
293 * gansidecl.h: If we have bcopy but don't declare it, then do so.
294 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
295 bzero, index and rindex if they aren't already present.
297 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
299 * toplev.c (close_dump_file): Wrap function prototype for
300 argument "func" in PROTO.
301 (dump_rtl): Likewise.
303 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
305 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
307 (output_function_epilogue): Omit epilogue if nothing drops through.
308 (output_move_double): Supress int ldd usage on ultrasparc and v9.
309 (registers_ok_for_ldd_peep): Likewise.
310 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
311 (ultrasparc_adjust_cost): New function.
312 (sparc_issue_rate): New function.
313 * sparc.h (MASK_VIS, TARGET_VIS): New
314 (MASK_V8PLUS, TARGET_V8PLUS): New.
315 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
316 (TARGET_SWITCHES): Add vis and v8plus.
317 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
318 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
319 (RTX_COSTS): Use TARGET_HARD_MUL
320 (ADJUST_COST): Call ultrasparc_adjust_cost.
322 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
323 of load & fp appropritely.
324 (supersparc function units): Adjust for Haifa.
325 (ultrasparc function units): Likewise.
326 (get_pc_via_rdpc): All v9, not just arch64.
327 (movdi_v8plus, movdi_v8plus+1): New.
328 (adddi3_sp32+1): New.
329 (subdi3_sp32+1): New.
330 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
331 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
332 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
333 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
334 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
335 (ldd peepholes): Suppress for v9.
336 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
337 (return_subsi): Revmove.
339 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
341 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
342 save/restore MEM rtl.
344 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
346 * configure.in: Check for declaration of abort.
347 * acconfig.h: Corresponding changes.
348 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
351 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
353 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
356 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
358 * version.c: Bump for snapshot.
360 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
362 * configure.in: Check for atoq and atoll.
363 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
364 proper routine for converting ascii into long long values.
366 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
368 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
370 * vmsconfig.com: Remove bytecode references.
372 * alpha/vms.h (PREFIX): Define.
374 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
376 * am-alpha.h: Don't include alloca for OPEN_VMS.
378 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
380 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
381 (GCC_INCLUDE_DIR): Define
383 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
384 * makefile.vms: New file.
386 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
388 * alpha.c (output_prolog): Output '.name' directive
389 for minimal traceback information.
391 * alpha.c (output_prolog): Don't prepend entry point symbols
392 with '$' on OPEN_VMS.
394 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
395 Jeffrey A Law (law@cygnus.com)
397 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
400 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
402 * genemit.c (gen_exp): Likewise.
403 * genpeep.c (match_rtx): Likewise.
404 * genrecog.c (write_tree_1): Likewise.
406 * c-lex.c (yyprint): Use proper format string based upon
407 disposition of HOST_BITS_PER_WIDE_INT.
408 (yylex): Put casts in right place for args to build_int_2.
410 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
412 * combine.c: Fix typos in Jan27 changes.
414 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
416 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
417 (LINK_SPEC): Likewise.
418 (STARTFILE_SPEC): Likewise.
420 1998-01-28 Mike Stump <mrs@wrs.com>
422 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
424 * genattrtab.c (reload_completed): Define.
426 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
429 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
431 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
432 SUBREG_REG if the word count is unchanged, also in the input reload
433 case. Disable non-applicable sanity checks.
435 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
437 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
439 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
441 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
443 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
445 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
446 is a TREE_VEC before trying to use it for baseclasses.
447 (Chill uses the same field for a different purpose.)
449 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
451 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
453 * config.sub: More accurate determination of HP processor types.
455 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
458 prototype for `handle_sysv_pragma', and make it static. Add
459 parentheses around assignment used as truth value.
461 * combine.c (combine_instructions): Protect variable `prev' with
463 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
464 (extract_left_shift): Add parentheses around operand of &.
465 (merge_outer_ops): Avoid an empty body in an else-statement.
466 (gen_rtx_combine): Remove unused variable `i'.
468 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
469 function monstartup `void'. Likewise for internal_mcount. Add
470 `static void' prototype for moncontrol. Reconcile sprintf format
473 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
474 Make return type of function_arg_slotno explicitly `int'.
475 (reg_unused_after): Add parentheses around assignment used as
477 (save_regs): Add explicit braces to avoid ambiguous `else'.
478 (function_arg_slotno): Add parentheses around && within ||.
479 (function_arg_pass_by_reference): Likewise.
480 (sparc_flat_output_function_prologue): Reconcile fprintf format
483 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
484 assignment used as truth value.
486 * cplus-dem.c: Include <stdlib.h>.
487 (demangle_signature): Avoid an empty body in an else-statement.
488 (do_type): Remove unused variable `lvl'.
490 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
491 Include <string.h>/<strings.h>.
492 (cpp_lex): Remove unused variable `namelen'.
493 (cpp_lex): Explicitly declare `num_chars' as an int.
495 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
496 <unistd.h> instead. Explicitly declare is_system_include
498 (make_assertion): Remove unused variable `kt'.
499 (cpp_expand_to_buffer): Hide variable `obuf'.
500 (output_line_command): Remove unused variables, `line_end',
501 `line_cmd_buf' and `len'.
502 (macarg): Remove unused variable `arg_start'.
503 (special_symbol): Remove unused variable `i'. Add parentheses
504 around assignment used as truth value.
505 (do_include): Remove unused variables `pcfname' and `retried',
506 hide `pcf' and `pcfbuflimit'.
507 (do_line): Remove unused variable `i'.
508 (finclude): Hide variable `missing_newline'.
509 (cpp_handle_options): Remove unused variable `j'.
510 (read_token_list): Remove unused variable `eofp'.
511 (cpp_error_with_line): Remove unused variable `i'.
512 (cpp_warning_with_line): Likewise.
513 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
514 (cpp_error_from_errno): Remove unused variable `i'.
516 * cse.c (invalidate): Add parentheses around assignment used as
518 (find_best_addr): Move declaration of variable `our_cost' inside
519 the conditional macro where its used.
520 (fold_rtx): Avoid an empty body in an if-statement.
521 (cse_insn): Wrap variables `this_insn_cc0_mode' and
522 `this_insn_cc0' in macro HAVE_cc0.
524 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
525 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
526 (output_uleb128): Likewise.
527 (output_sleb128): Likewise.
528 (output_cfi): Likewise.
529 (output_call_frame_info): Remove unused variables `j', `fde_size'
531 (comp_unit_has_inlines): Hide declaration as per rest of file.
532 (size_of_line_prolog): Correct typo in prototype.
533 (add_arange): Likewise.
534 (output_aranges): Likewise.
535 (add_name_and_src_coords_attributes): Likewise.
536 (gen_array_type_die): Likewise.
537 (gen_inlined_subroutine_die): Likewise.
538 (equate_decl_number_to_die): Remove unused variable `i'.
539 (print_die): Reconcile format vs. args in fprintf's.
540 (print_dwarf_line_table): Likewise.
541 (output_die): Likewise.
542 (output_line_info): Likewise.
543 (add_subscript_info): Avoid an empty body in an else-statement.
544 (gen_subprogram_die): Remove unused variable `fp_loc'.
546 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
547 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
548 macro. Protect `src_coords_attribute' prototype with
549 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
550 prototype as in the rest of the file. Likewise for
551 `output_pointer_type_die' and `output_reference_type_die'. Remove
552 prototype for `type_of_for_scope'.
553 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
554 (type_attribute): Add explicit braces to avoid ambiguous `else'.
556 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
557 (shorten_branches): Protect declaration of tmp_length with
558 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
559 (profile_function): Protect declaration of `sval' and `cxt'
560 variables with appropriate macros.
561 (final_scan_insn): Likewise for `note' variable. Add explicit
562 braces to avoid empty body in an if-statement.
563 (output_asm_insn): Move variable `i' inside macro conditional
564 where it is used. Add parentheses around assignment used as truth
566 (asm_fprintf) Likewise, likewise.
568 * fix-header.c (main): Remove unused variable `done'. Protect
569 declaration of `i' with FIXPROTO_IGNORE_LIST.
571 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
573 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
576 * profile.c: Include <string.h>/<strings.h>.
577 (instrument_arcs): Remove unused variables `note', `inverted',
578 `zero' and `neg_one'.
579 (branch_prob): Avoid empty body in an if-statement.
581 * regclass.c: Include <stdlib.h>.
582 (reg_alternate_class): Explicitly declare parameter `regno'.
584 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
585 parentheses around assignment used as truth value.
586 (find_matches): Remove unused variables `output_operand' and
588 (fixup_match_1): Remove statement with no effect: "if (0) ;".
590 * scan.c (sstring_append): Explicitly declare `count' as int.
591 (scan_string): Explicitly declare parameter `init' as int.
593 * sched.c: Include <stdlib.h>.
594 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
595 (rank_for_schedule): Add parentheses around assignment used as
597 (schedule_block): Likewise.
598 (regno_use_in): Likewise.
599 (schedule_insns): Remove unused variable `i'.
601 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
602 (v_message_with_decl): Remove unused variable `n'.
603 (botch): Explicitly declare parameter `s' as char *.
604 (main): Add parentheses around assignment used as truth value.
606 * tree.c (make_node): Protect the variable `kind' with the
607 GATHER_STATISTICS macro.
608 (real_value_from_int_cst): Move variable `e' inside conditional
609 macro area where it is used.
610 (tree_last): Add parentheses around assignment used as truth value.
611 (build1): Protect the variable `kind' with the GATHER_STATISTICS
613 (print_obstack_statistics): Reconcile format vs. args in fprintf.
614 Protect variables `i', `total_nodes', and `total_bytes' with the
615 GATHER_STATISTICS macro.
617 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
619 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
620 some comments regarding use of dead_or_set_p.
622 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
624 * fixincludes: Tweak fix for struct exception in math.h
626 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
628 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
629 Change mode of registers used to add/sub from
630 hard_frame_pointer_rtx from word_mode to Pmode.
632 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
634 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
635 asm_output_aligned_bss() instead of asm_output_bss().
637 * toplev.c (rest_of_compilation): Replace references to
638 stack_reg_dump_file and dbr_sched_dump_file with references to
641 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
643 * tlink.c (scan_linker_output): Call fclose() for opened files.
645 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
647 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
648 compiling with -fpic -- we want to be able to override symbols
650 (alpha_expand_block_move): Fix thinko in last change.
652 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
653 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
654 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
656 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
658 * alpha.md (abssf, absdf): Revert last change.
660 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
662 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
663 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
665 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
667 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
668 a CONST_INT into SFmode.
670 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
672 * flags.h: New flag (optimize_size).
673 * toplev.c (main): Parse -Os option and set optimize_space
675 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
676 __OPTIMIZE_SIZE__ when compiling with -Os.
677 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
678 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
679 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
681 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
683 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
685 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
686 stuff only if MCT_TEXT is #define'd.
688 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
690 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
693 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
695 * toplev.c: Add -dM command line option to dump RTL after the
696 machine dependent reorganisation pass, if there is one.
697 Reorganise RTL dump code, so that only one file handle is
700 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
702 * except.c (check_exception_handler_labels): Disable warning when
705 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
707 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
709 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
711 * c-decl.c (grokdeclarator): Get parameter tags from
712 last_function_parm_tags.
713 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
714 traversing the parameter types.
715 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
717 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
719 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
721 (get_shift_alg): Fix typo.
723 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
725 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
727 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
729 * toplev.c (get_run_time): Make sure each case gets its variables.
731 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
733 * configure.in (build_xm_file): Add auto-config.h if host=build.
734 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
735 (build_xm_file_list): Likewise.
736 * configure: Rebuild.
738 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
740 * recog.c (validate_replace_rtx_1): Only perform substitutions
741 of arguments to commutative and comparison operators once.
743 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
745 * sparc.c (output_cbranch): Add default case in
748 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
749 (emit_delay_sequence): Eliminate unused parameter, all callers
751 (fill_simple_delay_slots): Likewise.
752 (fill_slots_from_thread): Likewise.
753 (fill_eager_delay_slots): Likewise.
754 (mark_referenced_resources): Add default case in enumeration switch.
755 (mark_set_resources): Likewise.
756 (rare_destination): Likewise.
757 (mostly_true_jump): Likewise.
758 (find_dead_or_set_registers): Likewise.
759 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
760 (update_reg_unused_notes): Remove unused variable `p'.
761 (mark_target_live_regs): Remove unused variables `next' and
763 (fill_simple_delay_slots): Remove unused variable `j'.
764 (fill_slots_from_thread): Add parentheses around assignment used
766 (dbr_schedule): Likewise.
768 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
769 (objc.stage2, objc.stage3, objc.stage4): Likewise.
771 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
773 * cse.c (simplify_ternary_operation): Don't try to simplify
774 IF_THEN_ELSE expressions (created by combine) that don't use
775 relational operators.
777 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
779 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
782 * crtstuff.c (init_dummy): Keep the epilogue in the init
783 section for non-ELF systems.
785 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
787 * sh.md (movqi_i+1): New peephole.
789 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
791 * Makefile.in: Remove remaining bytecode stuff.
792 * emit-rtl.c, expr.c: Likewise.
794 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
796 * toplev.c (lang_options): Add unknown-pragma options.
798 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
800 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
801 special (and incomplete) handling for Chill arrays.
803 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
805 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
808 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
810 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
812 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
814 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
815 .frame directive instead of FRAME_POINTER_REGNUM.
817 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
819 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
820 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
821 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
822 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
823 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
824 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
825 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
826 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
828 * longlong.h: Replace __mc68332__ with __mcpu32__.
830 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
832 * version.c: Bump for snapshot.
834 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
836 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
837 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
838 * reload1.c (eliminate_regs): Likewise.
840 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
842 * regmove.c (find_matches): Initialize matches->earlyclobber too.
844 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
846 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
847 (negsf2, negdf2): Use proper subtract in IEEE mode.
849 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
851 * Makefile.in: Remove more bytecode stuff.
852 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
853 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
854 * f/install.texi, objc/Make-lang.in: Likewise.
856 * Makefile.in: Remove all bytecode support.
857 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
858 * emit-rtl.c: Remove all bytecode support.
859 * expr.c, expr.h function.c, integrate.c: Likewise.
860 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
861 * tree.h, varasm.c: Likewise.
862 * config/m68k/m68k.h: Likewise.
863 * bi-*, bc-*, bytecode*: Delete bytecode related files.
864 * modemap.def: Likewise.
866 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
868 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
869 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
871 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
873 * i386.md (push): Prohibit symbolic constants if flag_pic.
874 (movsi+1): Likewise for move to non-register.
876 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
878 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
879 (print_operand): Handle 0xffffffff on 32 bit host.
881 * configure.in (thread_file): Rename uses before main loop to
882 target_thread_file. Initialize to empty in main loop. Set thread_file
883 to target_thread_file after main loop if not set.
884 * configure: Rebuild.
886 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
887 (add_values_to_cover): Revert last change (which had no ChangeLog
889 (simplify_with_current_value_aux): Handle CONST_INT.
891 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
893 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
895 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
897 * configure.in: Add cpp stringify test.
898 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
899 * gengenrtl.c: Use it.
900 * configure, config.in: Rebuild.
902 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
904 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
906 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
908 * configure.in: Find declaration for sbrk.
909 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
910 * config.in, configure: Rebuild.
911 * mips-tfile.c: Properly protect declaration of sbrk and free.
912 * toplev.c: Properly protect declaration of sbrk.
914 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
916 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
918 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
920 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
922 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
924 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
926 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
928 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
929 constant offset computations from objects with known alignment in
930 the presence of STACK_BIAS.
932 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
934 (const_hash): Hash val is unsigned long.
937 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
939 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
940 char pointer, not HOST_WIDE_INT.
941 (print_node): Likewise. Also hash is unsigned long not
944 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
946 * explow.c (optimize_save_area_alloca): New function for targets
947 where SETJMP_VIA_SAVE_AREA is true.
948 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
949 compute the amount of stack space needed should we find later that
950 setjmp is never called by this function, stuff rtl for this inside
951 a REG_NOTE of the final SET of stack_pointer_rtx.
952 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
953 current_function_calls_alloca, call optimize_save_area_alloca.
955 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
957 * i386.md: Remove redundant integer push patterns.
958 Don't bother checking for TARGET_PUSH_MEMORY when
959 pushing constants or registers.
961 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
962 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
964 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
965 (pwait): New function for mingw32.
967 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
968 pipe support is broken for now.
970 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
972 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
973 between frame_pointer_rtx, hard_frame_pointer_rtx, and
974 arg_pointer_rtx is respected in initialization.
975 (init_emit_once): Use gen_rtx_raw_REG() to create
976 return_address_pointer_rtx.
978 * reorg.c: #include "expr.h" for rtx prototypes.
979 * Makefile.in (reorg.o): Depend on expr.h
981 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
983 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
984 local_prefix to sub-make invocations.
986 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
988 * objc-parse.c: Recognize protocol qualifiers in class definitions.
990 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
994 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
995 * configure.in: Check for atol.
996 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
998 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1000 * loop.c (find_and_verify_loops): When attempting to move insns from
1001 inside the loop outside the loop, create a BARRIER if no suitable
1004 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1005 favor of an equivalent change from gcc-2.8.
1007 * i386/x-sco5 (CC): Remove trailing whitespace.
1009 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1011 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1012 (accessor_from_format): Likewise.
1013 (xmalloc): New function for use when linking with alloca.o.
1015 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1017 * frame.c (find_fde): Correct FDE's upper bound.
1019 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1021 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1023 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1025 * calls.c (expand_call): Move #ifdef code out of macro argument
1027 (emit_library_call, emit_library_call_value): Likewise.
1029 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1031 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1033 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1035 * version.c: Bump for snapshot.
1037 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1039 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1040 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1041 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1042 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1043 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1044 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1045 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1046 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1047 * unroll.c, varasm.c: Likewise.
1048 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1050 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1052 * mips.h: Fix some type-o's from a previous change.
1054 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1056 * loop.c (check_dbra_loop): Make sure initial value is a
1057 CONST_INT before trying to normalize it.
1059 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1061 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1063 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1065 * cppexp.c: Include gansidecl.h
1067 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1069 * svr4.h (LINK_SPEC): Never specify -h.
1070 * ptx4.h (LINK_SPEC): Likewise.
1071 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1072 * sparc/sol2.h (LINK_SPEC): Likewise.
1074 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1076 * c-typeck.c (comptypes): Exit early on NULL input.
1078 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1079 dependencies after reload.
1081 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1083 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1085 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1087 * alpha/vms.h (DIR_SEPARATOR): define
1089 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1091 * Makefile.in (stamp-proto): Remove.
1092 (protoize.o, unprotoize.o): Straightforward compile.
1093 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1095 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1097 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1098 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1100 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1102 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1103 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1104 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1106 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1108 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1110 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1112 * configure.in (target_cpu_default, target_cpu_default2): Use double
1113 quotes around them when testing their value.
1114 * configure: Rebuilt.
1116 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1118 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1120 (gendef): Call obstack_alloc_rtx.
1122 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1124 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1127 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1129 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1130 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1131 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1133 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1135 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1137 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1139 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1142 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1144 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1145 suffix from operand 3.
1147 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1148 Jeffrey A Law (law@cygnus.com)
1150 * regmove.c: New implementation of regmove pass.
1151 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1152 decls, make them have external linkage. Return a value from
1153 optimize_reg_copy_1.
1154 * reload.h (count_occurrences): Add decl.
1155 * reload1.c (count_occurrences): Delete decl, make it have external
1157 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1159 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1161 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1162 if it is not defined.
1164 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1166 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1167 * emit-rtl.c (gen_rtx): Move special code to ...
1168 (gen_rtx_CONST_INT): New function.
1169 (gen_rtx_REG): New function.
1170 (*): Update all calls to gen_rtx.
1171 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1172 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1173 (GEN_INT): Call gen_rtx_CONST_INT.
1174 * gengenrtl.c: New file.
1176 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1178 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1179 (base_alias_check): If no base found for address call canon_rtx and
1182 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1184 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1185 arguments for mips16.
1186 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1187 Don't lose if tsize is zero after handling large stack for mips16.
1188 * mips.md (return): For trivial return, return address is in $31.
1190 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1192 * mips/mips16.S: Various changes to make it work with -msingle-float
1195 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1196 Ian Lance Taylor <ian@cygnus.com>
1197 Jeff Law <law@cygnus.com>
1199 * mips.c, mips.h, mips.md: First cut at merging in mips16
1200 support. Major modifications throughout all three files.
1202 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1204 * configure.in: Make gthr-default.h a forwarding header instead of
1207 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1209 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1211 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1213 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1214 Jeffrey A Law (law@cygnus.com)
1216 * crtstuff.c (__frame_dummy): New function for irix6.
1217 (__do_global_ctors): Call __frame_dummy for irix6.
1218 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1220 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1222 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1224 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1226 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1227 for __builtin_memset.
1228 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1229 not INTEGER_CST. Assert arg 3 is a constant.
1231 * alpha.c (mode_width_operand): Accept 64-bit modes.
1232 (mode_mask_operand): Likewise.
1233 (print_operand): Likewise for 'M' and 'U' codes.
1234 (alpha_expand_unaligned_load): New function.
1235 (alpha_expand_unaligned_store): Likewise.
1236 (alpha_expand_unaligned_load_words): Likewise.
1237 (alpha_expand_unaligned_store_words): Likewise.
1238 (alpha_expand_block_move): Likewise.
1239 (alpha_expand_block_clear): Likewise.
1240 * alpha.h (MOVE_RATIO): New define.
1241 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1242 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1244 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1245 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1247 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1249 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1250 * configure: Update.
1252 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1254 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1255 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1257 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1260 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1262 * configure.in: Set and subsitute host_exeext. Use it when creating
1263 the assembler and linker symlinks.
1264 * configure: Rebuild.
1265 * Makefile.in (exeext): Set to @host_exeext@.
1266 (build_exeext): New variable, set to @build_exeext@.
1267 (FLAGS_TO_PASS): Pass down build_exeext.
1268 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1271 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1273 * mn10200.md (addsi3, subsi3): Fix thinkos.
1275 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1277 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1278 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1279 unix always, since we want to be able to thunk to functions in a
1280 shared library from an application.
1282 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1284 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1285 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1287 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1289 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1290 offset's mode is not ptr_mode, convert it.
1292 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1294 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1295 compiling if it was already defined.
1297 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1299 * flow.c (find_basic_blocks): Don't create a new basic block
1300 for calls in a LIBCALL block.
1302 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1304 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1306 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1308 * cse.c (rtx_cost): Remove conflicting default case.
1310 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1312 * configure.in: Move default enabling of Haifa out of for loop.
1313 * configure: Rebuild.
1315 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1317 * version.c: Bump for snapshot.
1319 1997-12-25 Teemu Torma <tot@trema.com>
1321 * Makefile.in (GTHREAD_FLAGS): New var.
1322 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1323 (distclean): Remove gthr-default.h.
1325 * configure.in: Accept dce as a thread package.
1326 Check for thread.h and pthread.h.
1327 Link gthr-default.h to appropriate thread file and set
1329 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1330 include multilib definitions from pa/t-dce-thr.
1331 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1332 pthread.h is found, preferring posix threads over solaris ones.
1334 * config/pa/t-dce-thr: New file.
1335 * config/pa/t-pa: Removed multilibs.
1336 * config/sparc/t-sol2: Ditto.
1339 * gthr-single.h: New file.
1340 * gthr-posix.h: New file.
1341 * gthr-solaris.h: New file.
1342 * gthr-dce.h: New file.
1343 * libgcc-thr.h: Removed.
1344 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1346 * frame.c: Include gthr.h instead of libgcc-thr.h.
1347 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1348 (eh_context_initialize): If __gthread_once fails, use static eh
1350 (eh_context_free): Call __gthread_key_dtor.
1352 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1354 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1356 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1358 * cse.c (max_insn_uid): New variable.
1359 (cse_around_loop): Use max_insn_uid.
1360 (cse_main): Set max_insn_uid.
1362 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1363 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1364 -mlong64, and -mgp{32,64} options.
1365 * mips.c (mips_abi): Change type to int.
1366 * mips.h (enum mips_abi_type): Delete.
1367 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1368 (mips_abi): Change type to int.
1370 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1372 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1373 optimization is now always enabled.
1375 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1378 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1380 (*_dependence): Call canon_rtx before base_alias_check.
1381 (init_alias_once): New function to precompute set of registers which
1382 can hold Pmode function arguments.
1384 * rtl.h: Declare init_alias_once.
1386 * toplev.c (compile_file): Call init_alias_once.
1388 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1390 * tree.c (restore_tree_status): Do not dereference a null pointer.
1392 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1394 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1395 RLIMIT_STACK. This maintains consistency with the recent, similar
1396 patch to cccp.c and toplev.c.
1398 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1400 * genattrtab.c (expand_units): For large nr opclasses, expand
1401 function_units_used with ORX to prevent blowups. Tag with FFS.
1402 (num_unit_opclasses): New variable.
1403 (gen_unit): Update it.
1404 (enum operator): Add ORX_OP.
1405 (operate_exp): Treat ORX as or, except don't expand across an if.
1406 Reuse number rtx's after operating on them.
1407 (check_attr_value): Accept IOR, AND, & FFS.
1408 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1409 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1410 (write_expr_attr_cache, write_toplevel_expr): New functions.
1411 (write_attr_get): Handle FFS-tagged expressions.
1412 (make_canonical): Don't expand const attributes.
1413 (convert_const_symbol_ref): Dike out.
1414 (evaluate_eq_attr): Handle SYMBOL_REF.
1415 (main): Don't emit get_attr_foo for const attributes.
1417 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1418 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1419 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1420 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1421 combining function units where possible.
1422 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1423 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1424 (attr "opsize"): New attribute.
1425 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1426 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1427 to control register allocation.
1428 (movsi2-1, movdi2-1): Likewise.
1430 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1432 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1433 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1434 Move OSF/1 specific defines out.
1435 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1436 Move Linux specific defines out.
1437 (LINK_SPEC): Genericize.
1438 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1439 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1440 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1441 (HANDLE_SYSV_PRAGMA): Define.
1442 * alpha/osf.h: New file.
1443 * alpha/linux.h: Split. Retain file-format independant defines.
1444 Import Linux bits from elf.h.
1445 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1446 (FUNCTION_PROFILER): _mcount takes its address in $28.
1447 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1448 * alpha/linux-ecoff.h: New file.
1449 * alpha/linux-elf.h: New file.
1450 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1451 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1452 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1453 Add new headers as appropriate.
1455 * configure.in (alpha*): Enable Haifa by default.
1456 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1457 * configure: Rebuild.
1459 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1461 * Makefile.in (clean): Remove the stages with their objects here ...
1462 (distclean): ... instead of here.
1464 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1466 * cse.c (rtx_cost): Add default case in enumeration switch.
1467 * fix-header.c (recognized_macro): Likewise.
1468 (recognized_extern): Likewise.
1469 (write_rbrac): Likewise.
1470 * objc/objc-act.c (encode_aggregate): Likewise.
1471 (gen_declarator): Likewise.
1472 (gen_declspecs): Likewise.
1474 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1476 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1477 case where we kill more regs after sched than were killed before
1479 * sched.c (create_reg_dead_note): Similarly.
1481 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1483 * c-pragma.c: Include flags.h.
1485 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1487 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1488 about system headers.
1489 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1490 and also to resolve symbols in prefix.c.
1492 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1493 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1494 when the definitions in auto-config.h is not visible.
1495 (HAVE_BZERO): Likewise.
1496 (HAVE_BCMP): Likewise.
1497 (HAVE_RINDEX): Likewise.
1498 (HAVE_INDEX): Likewise.
1500 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1502 * pa.c (emit_move_sequence): Handle a function label source
1505 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1507 * c-pragma.c (handle_pragma_token): Generate warning messages
1508 about unknown pragmas if warn_unknown_pragmas is set.
1510 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1511 line option to set variable: warn_unknown_pragmas.
1513 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1515 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1517 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1519 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1521 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1522 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1523 generate more fine grained floating point emulation libraries.
1524 * config/fp-bit.c: Add protecting #ifdef to all functions so
1525 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1526 then compile all suitable functions.
1527 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1528 underscores to avoid namespace pollution.
1529 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1531 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1535 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1536 Jeff Law <law@cygnus.com>
1538 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1540 * c-decl.c (finish_decl): Use parentheses around && within ||.
1541 * rtl.c: Include stdlib.h.
1542 (read_skip_spaces): Add parentheses around assignments used as
1544 (read_rtx): Initialize list_rtx.
1545 * cppexp.c (parse_number): Use || when operands are truth values.
1546 * alias.c (find_base_value): Add default case.
1547 (memrefs_conflict): Likewise.
1548 * combine.c (sets_function_arg_p): Likewise.
1549 * genemit.c (gen_exp): Likewise.
1550 * local-alloc.c (contains_replace_regs): Likewise.
1551 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1552 * fold-const.c (fold_convert): Use "&&" for truth values.
1553 (fold): Add default case.
1554 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1555 (sdbout_one_type): Add default case.
1556 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1557 (some_operand): Add default case.
1558 (input_operand): Likewise.
1559 (signed_comparison_operator): Likewise.
1560 (divmod_operator): Likewise.
1561 (alpha_set_memflags_1): Likewise.
1562 * reload1.c (reload_cse_simplify_operands): Ensure function
1563 always returns a value.
1564 * scan-decls.c (scan_decls): Likewise.
1565 * c-lex.c (skip_white_space): Fix typo in declaraion.
1566 * c-typeck.c (comp_target_types): Add parentheses around assignment
1567 used as truth value.
1568 (print_spelling): Likewise.
1569 (constructor_implicit, constructor_result): Remove unused variables.
1570 * collect2.c (scan_library): Protect prototype with
1571 #ifdef SCAN_LIBRARIES.
1572 * emit-rtl.c (find_line_note): Fix typo in declaration.
1573 * final.c (asm_insn_count): Protect prototype with
1574 #ifdef HAVE_ATTR_length.
1575 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1576 (try_pre_increment_1, try_pre_increment): Likewise.
1577 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1578 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1579 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1580 unsigned/signed comparisons.
1581 * gcov.c (read_files): Remove unused "first_type" variable.
1582 (scan _for_source_files): Initialize s_ptr.
1583 (function_summary): Eliminate "%lf" formatting, use %ld for
1585 (output_data): Initialize branch_probs and last_line_num.
1586 Eliminate "%lf" formatting, use "%ld" for longs.
1588 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1590 * mips16.S: New file.
1592 * libgcc2.c (varargs): Handle mips16.
1594 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1596 * stmt.c (expand_end_case): Likewise.
1597 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1598 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1599 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1601 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1603 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1604 the build directory.
1605 (libobjc.a): Update dependency list.
1606 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1608 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1609 (objc.mostlyclean): Remove runtime-info.h.
1611 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1613 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1614 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1615 * dwarf2out.c (add_subscript_info): Likewise.
1616 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1617 * sdbout.c (plain_type_1): Likewise.
1618 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1620 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1623 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1625 * mips.c (fatal): Remove declaration.
1627 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1629 * integrate.c (get_label_from_map): New function.
1630 (expand_inline_function): Use it. Initialize the label_map to
1631 NULL_RTX instead of gen_label_rtx.
1632 (copy_rtx_and_substitute): Use get_label_from_map.
1633 * integrate.h (get_label_from_map): New function.
1634 (set_label_from_map): New macro.
1635 * unroll.c (unroll_loop): Use them.
1636 (copy_loop_body): Ditto.
1638 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1640 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1641 (INIT_TARGET_OPTABS): Define.
1642 * mips/ecoff.h: Include gofast.h before mips.h.
1643 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1644 * mips/elf64.h: Likewise.
1645 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1647 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1649 * except.c: Remove register_exception_table{,_p}.
1651 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1653 * unroll.c (calculate_giv_inc): Handle constant increment found in
1654 a MEM with an appropriate REG_EQUAL note.
1656 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1658 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1659 frame pointer in the prologue.
1661 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1663 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1664 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1666 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1668 * config/m68k/m68k.c (output_function_prologue): Typecast
1669 dwarf2out_cfi_label to (char *).
1670 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1672 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1674 * sparc.md (jump): Don't use the annul bit around an empty loop.
1675 Patch from Kevin.Kelly@East.Sun.COM.
1677 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1679 * jump.c: (jump_optimize): Don't use the return register as a
1680 source1 of a conditional move.
1682 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1684 * sparc.c (DF_MODES): Or the mask not the bit number.
1685 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1687 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1689 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1691 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1693 * fixincludes (size_t): Add support for Motorola's stdlib.h
1694 which fails to provide a definition for size_t.
1695 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1696 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1697 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1699 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1700 prevent unresolved externals in libio.
1701 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1703 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1705 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1706 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1707 (LIB_SPEC): Updated for glibc 2.
1709 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1711 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1712 * ginclude/varargs.h: Likewise.
1714 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1716 * version.c: Bump for snapshot.
1718 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1720 * frame.h (__register_frame, __register_frame_table,
1721 __deregister_frame): New.
1722 * frame.c (__register_frame, __register_frame_table,
1723 __deregister_frame): New.
1724 * frame.c (__deregister_frame_info): Return void *.
1725 * frame.h (__deregister_frame_info): Ditto.
1726 * collect2.c (__deregister_frame_info): Ditto.
1728 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1730 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1732 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1734 * alpha.c (alpha_cpu_name): New variable.
1735 (alpha_mlat_string): Likewise.
1736 (alpha_memory_latency): Likewise.
1737 (override_options): Handle -mmemory-latency.
1738 (alpha_adjust_cost): Adjust load cost for latency.
1739 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1740 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1741 TARGET_CIX into account.
1742 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1743 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1745 * alpha.h (ASM_COMMENT_START): New macro.
1747 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1749 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1750 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1752 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1753 SUBREG_REG if the word count is unchanged.
1754 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1755 subregs of identical word size for push_reload.
1757 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1759 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1760 if all we're doing is dealing with -Wreturn-type.
1762 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1764 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1765 Use and 255 instead of zapnot 1, since it schedules better.
1767 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1769 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1772 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1774 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1775 dependency we delete. Properly update prev for multiple consecutive
1777 (priority): Skip deleted dependence.
1779 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1781 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1783 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1785 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1786 determining when a new basic block starts.
1788 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1790 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1791 * pa.md (iorsi3): Add missing args to *_operand calls.
1793 * except.c (call_get_eh_context): Don't mess with sequences.
1794 (emit_eh_context): Include the call in the sequence here.
1796 1997-12-11 Paul Eggert <eggert@twinsun.com>
1798 * collect2.c (write_c_file_glob): Allocate initial frame object
1799 in static storage and pass its address.
1801 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1803 * except.c (call_get_eh_context): Don't take a parm.
1804 Put the call at the top of the function.
1805 (emit_eh_context): Adjust.
1806 (get_eh_context): Replace with former use_eh_context.
1807 (get_eh_context_once, get_saved_pc_ref): Remove.
1808 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1810 * integrate.c (expand_inline_function): Adjust.
1811 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1813 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1815 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1816 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1818 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1820 * fixincludes (strlen,strspn,strcspn return value): Handle different
1822 (hypot): Provide a fake for hypot which is broken on
1823 m88k-motorola-sysv3.
1825 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1827 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1828 tree_code_name from pointers to arrays.
1829 * tree.c: Remove standard_tree_code_* variables, no longer used.
1830 * print-tree.c: Remove declaration of tree_code_name.
1832 * cp/lex.c (init_lex): Update for tree_code_* changes.
1833 * objc/objc-act.c (init_objc): Likewise.
1835 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1838 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1840 * config.sub: Add support for BeOS target.
1841 * configure.in: Likewise.
1842 * ginclude/stdarg.h: Likewise.
1843 * ginclude/stddef.h: Likewise.
1844 * ginclude/varargs.h: Likewise.
1845 * rs6000/beos.h: New file for BeOS.
1846 * rs6000/t-beos: Likewise.
1847 * rs6000/x-beos: Likewise.
1848 * rs6000/xm-beos.h: Likewise.
1849 * toplev.c (get_run_time): Just return 0 on BeOS.
1851 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1852 Toon Moene (toon@moene.indiv.nluug.nl)
1854 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1855 old and broken Sun3 assemblers. Newer versions handle large
1856 offsets correctly as does the GNU assembler.
1858 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1860 * objc/objc-act.c (lang_report_error_function): Disable.
1861 * objc/objc-parse.y: Include "output.h".
1862 (yyerror): Remove redundant decl.
1863 (yyprint): Fix prototype.
1864 (apply_args_register_offset): Remove redundant decl.
1865 (get_file_function_name): Likewise.
1867 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1869 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1871 (find_basic_blocks_1): Likewise.
1873 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1875 * except.c (use_eh_context): Don't copy_rtx a REG.
1876 (emit_throw): Lose old unwinder support.
1877 (expand_internal_throw): Likewise.
1878 * libgcc2.c (struct eh_context): Likewise.
1879 (new_eh_context): Likewise.
1880 (__get_eh_info): Lose redundant cast.
1881 (__get_dynamic_handler_chain): Likewise.
1882 (__get_saved_pc): Lose.
1883 Lose all old unwinder support code.
1885 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1887 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1889 * integrate.c (expand_inline_function): If the inline fn uses eh
1890 context, make sure that the current fn has one.
1891 * toplev.c (rest_of_compilation): Call emit_eh_context.
1892 * except.c (use_eh_context): New fn.
1893 (get_eh_context_once): New fn.
1894 (call_get_eh_context): New fn.
1895 (emit_eh_context): New fn.
1896 (get_eh_context): Call either get_eh_context_once or
1897 call_get_eh_context, depending on what we have.
1898 (get_dynamic_handler_chain): Call get_eh_context_once.
1899 * except.h: Prototypes for fns above.
1900 * optabs.c (get_eh_context_libfunc): Removed.
1901 (init_optabs): Don't initialize it.
1902 * expr.h (get_eh_context_libfunc): Removed.
1903 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1904 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1905 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1906 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1907 New multilib for -threads.
1908 * config/sparc/t-sol2: Added multilibs for -threads and
1909 made -pthreads alias to it.
1910 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1911 Added -threads and -pthreads options.
1912 * libgcc-thr.h: New file.
1913 * libgcc2.c: (__get_cpp_eh_context): Removed.
1914 (struct cpp_eh_context): Removed.
1915 (struct eh_context): Replaced cpp_eh_context with generic language
1917 (__get_eh_info): New function.
1918 (__throw): Check eh_context::info.
1920 * libgcc2.c: Include libgcc-thr.h.
1921 (new_eh_context, __get_eh_context,
1922 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1923 eh_context_specific, eh_context_free): New functions.
1924 (get_eh_context, eh_context_key): New variables.
1925 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1926 get_eh_context to get the context.
1927 (longjmp): Move the declaration inside
1928 #ifdef DONT_USE_BUILTIN_SETJMP.
1929 * frame.c: Include libgcc-thr.h.
1930 (object_mutex): Mutex to protect the object list.
1931 (find_fde, __register_frame, __register_frame_table,
1932 __deregister_frame): Hold the lock while accessing objects.
1933 * except.h (get_eh_context): Declare.
1934 * except.c (current_function_ehc): Define.
1935 (current_function_dhc, current_function_dcc): Removed.
1936 (get_eh_context): New function.
1937 (get_dynamic_handler_chain): Use get_eh_context.
1938 (get_saved_pc_ref): Ditto.
1939 (get_dynamic_cleanup_chain): Removed references to
1940 current_function_dcc.
1941 (save_eh_status, restore_eh_status): Save and restore
1942 current_function_ehc instead.
1943 * optabs.c (get_eh_context_libfunc): New variable.
1944 (init_optabs): Initialize it.
1945 * expr.h: Declare get_eh_context_libfunc.
1946 * function.h (struct function): Replaced dhc and dcc with ehc.
1947 * except.c (get_saved_pc_ref): New functions.
1948 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1949 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1951 (end_eh_unwinder): Likewise.
1952 (init_eh): Remove initialization of eh_saved_pc.
1953 * optabs.c (get_saved_pc_libfunc): New variable.
1954 (init_optabs): Initialize it.
1955 * expr.h: Declare get_saved_pc_libfunc.
1956 * except.h (eh_saved_pc_rtx): Deleted.
1957 (get_saved_pc_ref): Declared.
1959 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1960 * libgcc2.c (__get_saved_pc): New.
1961 (__eh_type, __eh_pc): Deleted.
1962 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1963 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1966 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1968 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1969 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1972 * rtl.h (global_rtl): New variable, replacing separate variables for
1974 (const_int_rtx): Now array of rtx_def, not rtx.
1975 * emit-rtl.c: Update for new rtl data structures.
1976 * genattrtab.c: Define global_rtl.
1978 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1980 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1983 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1985 * crtstuff.c (__do_global_ctors): Fix typo.
1987 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1989 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1990 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1992 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1994 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1995 * rs6000.c (function_arg_padding): New function.
1997 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1999 * m68k.c: Include tree.h only once.
2001 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2003 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2005 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2007 * Partially cleaned up prototyping code from HJ.
2008 * tree.h: Add many prototypes.
2009 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2010 All references changed.
2011 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2013 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2015 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2016 string functions like strlen.
2018 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2020 * configure.in: Check for functions getrlimit and setrlimit.
2021 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2022 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2024 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2026 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2028 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2030 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2033 * alpha.c (override_options): Don't know about scheduling for EV6.
2034 * alpha.md (ev5 function units): Don't overload as ev6.
2036 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2037 * alpha.md (define_attr type): Add mvi.
2038 (ev5_e0): Define sceduling parameters for it.
2039 (TARGET_MAX insns): Type is mvi not shift.
2041 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2043 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2045 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2047 * cstamp-h, auto-config.h: Delete.
2049 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2051 * version.c: Bump for snapshot.
2053 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2055 * cccp.c: Fix typo brought over in merge.
2057 * Merge in changes from gcc-2.8.
2059 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2061 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2063 * gcc.c (process_command): Do not take address of function fatal when
2064 calling lang_specific_driver.
2066 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2068 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2069 doesn't work with it yet, so set it to 0.
2070 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2072 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2074 * cse.c (cse_insn): Check for invalid entries when taking references.
2076 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2078 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2079 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2080 * toplev.c (rest_of_compilation): Pass it. Remove code to
2081 save / clear / restore flag_unroll_{,all_}loops.
2083 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2085 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2087 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2089 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2091 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2093 * except.c (get_dynamic_handler_chain): Only make the call once per
2096 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2098 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2100 * sh.c (final_prescan_insn): Use local label prefix
2101 when emitting .uses pseudo-ops.
2103 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2105 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2106 * except.c: Lose outer_context_label_stack.
2107 (expand_eh_region_end): Rethrow from outer_context here.
2108 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2109 (expand_internal_throw): Take no args.
2110 (expand_internal_throw_indirect): Lose.
2111 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2112 (expand_start_all_catch): Start a rethrow region.
2113 (expand_end_all_catch): End it.
2114 (expand_rethrow): New fn.
2115 * except.h: Reflect above changes.
2116 * flow.c: Revert change of Nov 27.
2118 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2120 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2122 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2124 * except.c (expand_fixup_region_end): New fn.
2125 (expand_fixup_region_start): Likewise.
2126 (expand_eh_region_start_tree): Store cleanup into finalization here.
2127 * stmt.c (expand_cleanups): Use them to protect fixups.
2129 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2131 * mips/mips.md (muldi3_r4000): Broaden the output template
2132 and attribute assignments to handle three operand dmult;
2133 rename to muldi3_internal2.
2134 (muldi3): Call the new muldi3_internal2 for R4000, and
2135 any GENERATE_MULT3 chip.
2137 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2139 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2141 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2143 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2144 with a dest_reg that was created by loop.
2146 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2148 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2150 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2152 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2154 * configure.in: Fix NCR entries.
2156 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2158 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2159 nested exceptions correctly.
2161 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2162 that was created by loop.
2164 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2166 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2168 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2170 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2172 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2173 (print_operand): Use SMALL_DATA_REG for the register involved in
2174 small data relocations.
2175 (print_operand_address): Ditto.
2177 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2178 -dynamic linker is not used.
2180 * rs6000.md (call insns): For local calls, use @local suffix under
2181 System V. Don't use @plt under Solaris.
2183 * rs6000.c (output_function_profiler): Put label address in r0, and
2184 store LR in 4(sp) for System V/eabi.
2186 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2187 byte boundary, and maintain stack backchain.
2189 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2191 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2192 fix_truncsfdi2): Change *.
2194 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2196 * toplev.c (main): Complain about -gdwarfn.
2198 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2200 * dwarfout.c (output_type): If finalizing, write out nested types
2201 of types we've already written.
2203 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2205 (patches originally from Geoffrey Keating)
2206 * rs6000.c (function_arg): Excess floating point arguments don't
2207 go into GPR registers after exhausting FP registers under the
2209 (function_arg_partial_nregs): Ditto.
2211 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2214 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2216 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2218 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2220 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2223 * libgcc2.c (__throw): Initialize HANDLER.
2225 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2227 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2228 fix_truncsfdi2): Change *X to ?*X.
2230 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2232 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2234 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2236 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2238 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2240 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2242 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2244 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2245 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2248 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2250 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2251 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2252 gas and not using the new HP assembler.
2254 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2256 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2257 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2259 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2261 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2262 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2265 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2267 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2269 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2271 * except.h: Add outer_context_label_stack.
2272 * except.c: Likewise.
2273 (expand_start_all_catch): Push the outer_context for the try block
2274 onto outer_context_label_stack.
2275 (expand_end_all_catch): Use it and pop it.
2277 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2279 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2281 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2283 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2285 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2287 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2288 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2290 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2292 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2293 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2294 __builtin_delete, and __builtin_vec_delete.
2296 * except.c (output_exception_table): Don't bother with
2299 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2301 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2302 is an in/out operand.
2303 (zero extended variants of stwm/stwm patterns): Similarly.
2305 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2307 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2309 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2311 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2312 (output_call_frame_info): Emit a \n after using it.
2314 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2316 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2318 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2320 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2321 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2322 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2324 (output_call_frame_info): Do not output forward label differences
2325 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2326 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2328 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2330 * sh.md (attribute "type"): Add nil.
2331 (movsi_ie): y/y alternative is type nil.
2332 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2334 (movsf_ie+1): Delete.
2336 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2338 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2339 large_int, emit two insns instead of one splitable insn.
2340 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2341 from cfa_temp_value, use cfa_offset. Add assert checking that
2344 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2346 * cccp.c (deps_output): Properly quote file names for make.
2348 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2350 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2352 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2354 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2356 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2358 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2360 (cse_end_of_basic_block): Similarly.
2362 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2364 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2365 (SELECT_RTX_SECTION): Define.
2366 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2368 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2370 * Makefile.in (compare, compare-lean): Define $stage for each
2372 (gnucompare, gnucompare-lean): Likewise.
2374 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2376 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2378 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2379 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2381 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2383 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2384 and add case to handle STRING_TYPE.
2385 * dwarfout.c (output_string_type_die): Fix code to generate
2386 correct string length attribute for fixed length strings.
2387 Still needs support for varying length strings.
2389 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2391 * toplev.c (get_run_time): Do something sensible for cygwin32.
2393 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2395 * expr.c (expand_builtin_setjmp): Set
2396 current_function_has_nonlocal_label.
2397 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2398 call-saved registers across calls.
2400 * alpha.md (exception_receiver): Remove.
2401 (nonlocal_goto_receiver_osf): New
2402 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2403 (nonlocal_goto_receiver): New, select _osf or _vms.
2405 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2406 keep them from being propogated to the object file.
2407 (alpha_write_linkage): Likewise.
2408 * alpha.md (call_vms): Likewise.
2409 (call_value_vms): Likewise.
2410 (unnamed osf call insns): Likewise.
2412 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2413 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2415 * alpha.c (call_operand): Any reg is valid for WinNT.
2416 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2417 (anon nt calls): Add 'R' alternative.
2418 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2419 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2421 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2423 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2425 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2426 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2427 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2429 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2431 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2432 spill error message.
2434 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2437 use varargs.h. Wrap header with <>, not "".
2439 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2441 * integrate.c (save_for_inline_copying): Add return value from
2444 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2446 * fixincludes: Be a little more restrictive on what we will
2447 substitute to replace definitions of MAXINT for HPUX.
2449 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2451 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2452 whose address is the stack or argument pointers are indirect
2455 1997-11-13 Paul Eggert <eggert@twinsun.com>
2457 * cccp.c, cpplib.c (compare_defs):
2458 Don't complain about arg name respellings unless pedantic.
2459 * cpplib.c (compare_defs): Accept pfile as new arg.
2460 All callers changed.
2462 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2464 * fold-const.c (fold_truthop): Fix bug in last change.
2466 1997-11-13 Paul Eggert <eggert@twinsun.com>
2468 Fix some confusion with IEEE minus zero.
2470 * real.h (REAL_VALUES_IDENTICAL): New macro.
2472 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2473 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2475 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2476 same tree structure as 0.0.
2478 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2479 macro instead of doing it by hand.
2481 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2483 * v850/lib1funcs.asm: Minor whitespace changes.
2484 * v850.c: Fix minor formatting problems in many places.
2485 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2487 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2489 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2490 xplus1 when xplus0 is not a register.
2492 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2494 * flow.c (find_basic_blocks): During marking phase, if we encounter
2495 an insn with a REG_LABEL note, make the target block live and
2496 create an edge from the insn to the target block. Do not make
2497 edges from all blocks to the target block.
2499 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2501 * confiugre.in: Tweak NCR entries.
2502 * configure: Rebuilt.
2504 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2506 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2507 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2508 and CONST_DOUBLE_HIGH.
2510 * rs6000.md (define_splits for DF constants): Use the appropriate
2511 REAL_VALUE_* interface to pick apart DF floating point constants in
2512 a machine independent fashion.
2514 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * fold-const.c (fold_truthop): When changing a one-bit comparison
2517 against zero into a comparison against mask, do a proper sign
2520 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2522 * except.c: Do not include "assert.h".
2523 (save_eh_status): Turn asserts into conditional aborts.
2524 (restore_eh_status, scan_region): Likewise.
2525 * dwarfout.c: Do not include "assert.h".
2526 (bit_offset_attribute): Turn asserts into conditional aborts.
2527 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2528 (output_inlined_structure_type_die): Likewise.
2529 (output_inlined_union_type_die): Likewise
2530 (output_tagged_type_instantiation): Likewise.
2531 (dwarfout_file_scope_decl): Likewise.
2532 * dwarf2out.c: Do not include "assert.h"
2533 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2534 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2535 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2536 (add_bit_size_attribute, scope_die_for): Likewise.
2537 (output_pending_types_for_scope): Likewise.
2538 (get_inlined_enumeration_type_die): Likewise.
2539 (get_inlined_structure_type_die): Likewise.
2540 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2541 (gen_tagged_type_instantiation_die): Likewise.
2543 * flow.c (find_basic_blocks): Refine further to get a more correct
2544 cfg, especially in the presense of exception handling, computed
2545 gotos, and other non-trivial cases. Call abort if an inaccuracy
2546 is detected in the cfg.
2548 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2550 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2552 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2553 (skip_white_space): Use whitespace_cr.
2554 (check_newline): Handle whitespace more consistently.
2556 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2558 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2559 * i386/xm-cygwin32.h (POSIX): Define.
2561 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2563 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2564 is available elsewhere.
2566 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2568 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2569 what the instruction can handle.
2571 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2573 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2575 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2577 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2579 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2580 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2582 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2584 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2585 swap instruction order.
2587 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2589 * fixinc.svr4 (__STDC__): Add another case.
2591 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2593 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2594 addresses in the epilogue delay slot.
2596 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2598 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2599 in generated `specs' file.
2601 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2603 * flags.h (flag_rerun_loop_opt): Declare.
2604 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2605 * toplev.c (flag_rerum_loop_opt): Delete static.
2607 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2609 Bring over from FSF:
2611 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2613 * va-sh.h (__va_arg_sh1): Define.
2615 SH3E doesn't use any integer registers for subsequent arguments
2616 once a non-float value was passed in the stack.
2617 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2618 alignment in front label for ADDR_DIFF_VEC.
2619 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2620 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2622 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2624 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2627 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2629 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2630 put an use_sfunc_addr before each sfunc.
2631 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2632 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2634 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2636 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2638 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2640 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2643 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2645 * alias.c (find_base_value): Only return the known base value for
2648 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2650 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2651 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2653 (prologue_get_pc_and_set_got): New pattern.
2655 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2657 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2658 for SUBREG, just fall through.
2660 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2662 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2664 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2666 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2668 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2669 (USE_HOST_ALLOCA): Likewise.
2671 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2672 and LABEL_REFS fields.
2673 * rtl.h (LABEL_REFS): Update.
2675 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2677 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2678 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2679 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2682 * mips.md (insv, extzv, extv): Add change_address call.
2683 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2685 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2687 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2689 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2690 save_restore_insns if no FP and GP will be restored.
2692 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2693 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2695 * acconfig.h (HAVE_INTTYPES_H): Undef.
2696 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2697 and inttypes.h, and verify that intmax_t is defined.
2698 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2699 * config/mips/x-iris3: Likewise.
2701 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2703 * alias.c (find_base_value): When copying arguments, return the
2704 tenative value for a hard register.
2706 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2708 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2709 (yylex): Record wide strings using target endianness, not host.
2711 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2713 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2714 (ASM_OUTPUT_ALIGNED_BSS): New macro
2715 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2716 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2717 * v850.h (ASM_OUTPUT_BSS): Delete.
2718 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2720 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2722 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2724 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2726 * configure.in (sco5): Use cpio to install header files.
2728 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2730 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2732 * configure: Rebuild.
2734 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2736 * i386/sco5.h: enable -gstabs once again.
2738 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2740 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2742 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2744 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2745 notes for sjlj exceptions too.
2746 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2747 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2748 * final.c (final_scan_insn): Don't output labels for EH REGION
2749 notes if doing sjlj exceptions.
2751 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2753 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2754 optimizing correctly.
2756 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2757 or set current_function_calls_setjmp anymore.
2759 * flow.c (find_basic_blocks): If we delete the label for an
2760 exception handler, remove it from the EH label list and remove
2761 the EH_BEGIN/EH_END notes for that EH region.
2763 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2765 * flow.c (find_basic_blocks): Generate correct flow control
2766 information when exception handling notes are present.
2768 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2770 * dwarf2out.c (output_call_frame_info): Fix length argument
2771 to ASM_OUTPUT_ASCII.
2772 (output_die, output_pubnames, output_line_info): Likewise.
2774 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2776 * version.c: Bump for snapshot.
2778 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2779 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2780 flag_debug_asm is on.
2781 (output_die, output_pubnames, output_line_info): Likewise.
2783 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2784 and static_chain_rtx into the potential base values array if
2787 * alias.c (new_reg_base_value): New array of potential base values.
2788 (unique_id): Now file scoped static.
2789 (find_base_value, case REG): Return the value in reg_base_value
2790 array for the REG if it exists. Else, return the value from
2791 new_reg_base_value if copying args and REG is a hard register.
2792 (find_base_value, case PLUS): If either operand of the PLUS is
2793 a REG, try to get its base value. Handle base + index and
2795 (record_set): Use new_reg_base_value instead of reg_base_value.
2796 (init_alias_analysis): Allocate space for new_reg_base_value too.
2797 Rework code to iterate over the insns propagating base value
2798 information until nothing changes.
2800 * global.c (global_alloc): Free the conflict matrix after
2801 reload has finished.
2803 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2805 * libgcc2.c (L_eh): Define __eh_pc.
2806 Replace __eh_type with generic pointer __eh_info.
2808 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2810 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2811 use copy_to_reg if address is not a general_operand.
2813 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2815 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2816 for the duration of the call to rest_of_compilation.
2818 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2820 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2822 (sparc*-*-*): Recognize --with-cpu=v9.
2823 * sparc/elf.h: New file.
2824 * sparc/t-elf: New file.
2826 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2828 * mn10300.c (const_8bit_operand): New function.
2829 (mask_ok_for_mem_btst): New funtion.
2830 * mn10300.md (btst patterns with mem operands): Use new functions
2831 to avoid creating btst instructions with invalid operands.
2833 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2835 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2836 are running on PowerPC Linux.
2838 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2840 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2841 if not previously defined.
2843 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2845 * function.c (assign_parms): Correct mode of stack_parm if
2846 entry_parm underwent a mode conversion.
2848 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2850 * global.c (global_alloc): Use xmalloc instead of alloca for
2851 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2852 than 2.5Mb sometimes.
2854 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2856 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2857 DEST for the spill, adjust mode of SRC to compensate.
2859 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2861 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2862 since any_memory_operand() allows pseudos during reload.
2863 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2865 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2867 * m68k.md (btst patterns): Add 5200 support.
2869 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2871 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2872 optimizations, look inside dividend to determine if the expression
2873 can be simplified by using EXACT_DIV_EXPR.
2875 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2878 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2880 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2882 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2884 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2886 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2889 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2891 * alpha.md (movqi, movhi): Make sure new insns created during reload
2892 won't need reloading themselves.
2893 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2895 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2897 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2899 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2901 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2902 Patch from Klaus Kaempf <kkaempf@progis.de>.
2904 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2906 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2907 to an element in a constant string.
2909 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2911 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2912 bit PC-relative offset. The exception range table pointer is now in
2914 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2915 (count_fdes, add_fdes, get_cie): Adjust.
2916 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2919 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2921 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2923 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2924 like stack_pointer_rtx.
2926 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2928 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2929 targets using "$@" to provide support for similar but not identical
2930 targets without having to duplicate code.
2931 (bootstrap4): New goal.
2933 * Makefile.in (compare, compare-lean, compare3): Combined to one
2934 ruleset determining actions to be performed via $@.
2935 (compare4, compare4-lean): New targets.
2936 (gnucompare, gnucompare3): Combined to one ruleset determining
2937 actions to be performed via $@. Also, note which files failed
2938 the comparison test in .bad_compare.
2939 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2941 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2943 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2944 if the dividend is a multiple of the divisor.
2946 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2948 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2950 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2953 * alias.c (true_dependence): Fix typo.
2955 * toplev.c (flag_rerun_loop_opt): New variable.
2956 (f_options): Handle -frerun-loop-opt.
2957 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2959 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2961 * loop.c (simplify_giv_expr): Adding two invariants results
2964 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2966 * expr.c (get_inner_reference): Remove the array bias after
2967 converting the index to Pmode.
2969 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2971 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2972 (TARGET_MULT_BUG): Define.
2973 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2974 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2976 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2978 * mn10200.c (indirect_memory_operand): Delete unused function.
2979 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2980 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2982 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2984 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2985 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2986 for more than scheduling.
2988 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2990 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2992 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2994 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2995 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2996 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2998 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3000 * version.c: Bump for snapshot.
3002 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3004 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3007 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3009 * toplev.c (flag_exceptions): Default value is 2.
3010 (compile_file): If flag_exceptions still has the value 2, then
3013 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3014 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3015 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3017 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3020 * rs6000.md (*movsi_got_internal_mem): New pattern.
3021 (*movsi_got_internal_mem splitter): New define_split.
3023 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3025 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3027 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3029 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3030 only need to save LR.
3032 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3034 * mn10300.md (movqi, movhi): Avoid using address registers as
3035 destinations unless absolutely necessary.
3037 * mn10200.c (expand_prologue): Fix typo.
3039 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3041 * mn10200.md (neghi2): Provide an alternative which works if
3042 the input and output register are the same.
3044 * mn10300.c (print_operand): Handle 'S'.
3045 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3046 shift amount in last alternative
3048 * mn10300.c (expand_epilogue): Rework to handle register restores
3049 in "ret" and "retf" instructions correctly.
3051 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3053 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3054 extzv for memory operands.
3056 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3057 redundant conditional moves to single operand.
3059 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3061 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3064 * xm-v850.h: Use __v850 rather than __v850__ to
3067 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3069 * mips/mips.c (compute_frame_size): Not a leaf function if
3072 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3074 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3076 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3078 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3079 (DEFAULT_ARCH32_P): New macro.
3080 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3081 (enum cmodel): Declare.
3082 (sparc_cmodel_string,sparc_cmodel): Declare.
3083 (SPARC_DEFAULT_CMODEL): Provide default.
3084 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3085 (TARGET_FULLANY): Deleted.
3086 (TARGET_CM_MEDMID): New macro.
3087 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3088 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3089 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3090 (CPP_SPEC): Rewrite.
3091 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3092 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3093 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3094 (ASM_SPEC): Add %(asm_arch).
3095 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3096 Rename asm_default to asm_cpu_default.
3097 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3098 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3099 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3100 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3101 (MASK_INT64,MASK_LONG64): Delete.
3102 (MASK_ARCH64): Renamed to MASK_64BIT.
3103 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3104 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3105 (TARGET_SWITCHES): Always provide 64 bit options.
3106 (ARCH64_SWITCHES): Delete.
3107 (TARGET_OPTIONS): New option -mcmodel=.
3108 (INT_TYPE_SIZE): Always 32.
3109 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3110 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3111 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3112 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3113 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3115 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3116 * sparc/linux.h: Likewise.
3117 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3118 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3119 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3120 (SPARC_DEFAULT_CMODEL): Define.
3121 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3122 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3123 (LONG_DOUBLE_TYPE_SIZE): Define.
3124 (ASM_SPEC): Add %(asm_arch).
3125 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3126 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3127 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3128 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3129 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3130 (SPARC_DEFAULT_CMODEL): Define.
3131 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3132 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3133 MASK_LONG64, MASK_MEDANY.
3134 (SPARC_DEFAULT_CMODEL): Define.
3135 (CPP_PREDEFINES): Delete.
3136 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3137 (ASM_SPEC): Add %(asm_arch).
3138 (LONG_DOUBLE_TYPE_SIZE): Define.
3139 (DWARF2_DEBUGGING_INFO): Define.
3140 * sparc/splet.h (CPP_SPEC): Delete.
3141 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3142 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3143 (BLOCK_PROFILER): Likewise.
3144 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3145 (sparc_override_options): Handle code model selection.
3146 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3147 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3148 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3149 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3150 (sethi_di_fullany): Delete.
3152 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3153 Jeff Law <law@cygnus.com>
3154 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3156 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3157 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3158 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3159 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3160 * alpha/alpha.md (arg_home): Likewise.
3162 * alpha/alpha.c (vmskrunch): Delete
3163 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3164 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3165 truncate to 64 characters.
3167 * make-l2.com: Support openVMS/Alpha.
3169 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3171 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3173 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3175 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3177 * i386/bsd386.h (ASM_COMMENT_START): Define.
3179 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3181 * tree.c (restore_tree_status): Also free up temporary storage
3182 when we finish a toplevel function.
3183 (dump_tree_statistics): Print stats for backend obstacks.
3185 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3187 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3189 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3191 * libgcc2.c (__throw): Don't copy the return address.
3192 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3194 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3195 * toplev.c (main): Initialize exceptions_via_longjmp.
3197 * tree.c: Add extra_inline_obstacks.
3198 (save_tree_status): Use it.
3199 (restore_tree_status): If this is a toplevel inline obstack and we
3200 didn't want to save anything on it, recycle it.
3201 (print_inline_obstack_statistics): New fn.
3202 * function.c (pop_function_context_from): Pass context to
3203 restore_tree_status.
3204 * obstack.h (obstack_empty_p): New macro.
3206 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3208 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3210 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3212 * v850.c (ep_memory_offset): New function.
3213 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3215 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3216 (CONSTANT_ADDRESS_P): Add comment.
3217 (EXTRA_CONSTRAINT): Define 'U'.
3218 * v850.md: Add comments on bit field instructions.
3219 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3220 (lshrsi3): Use N not J constraint.
3222 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3224 * v850.c (reg_or_0_operand): Call register_operand.
3225 (reg_or_int5_operand): Likewise.
3226 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3227 (TARGET_SWITCHES): Add "big-switch".
3228 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3229 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3230 (CASE_DROPS_THROUGH): Comment out.
3231 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3232 * v850.md (cmpsi): Delete compare mode.
3233 (casesi): New pattern.
3235 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3236 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3237 (lshrsi3): Likewise.
3239 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3240 unreachable switch statement after 'b' support. Remove "b" from
3241 strings for 'b' support.
3242 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3244 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3246 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3247 empty line if @inhibit_libc@ is empty.
3249 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3251 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3252 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3253 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3254 (DWARF2_UNWIND_INFO): Let this track object file format.
3255 (EXTRA_SECTIONS): Add in_eh.
3256 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3257 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3259 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3261 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3262 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3264 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3265 (output_double_int): Output DI mode values correctly when
3266 HOST_BITS_PER_WIDE_INT is 64.
3267 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3268 fmovd so it works if a quad float ends up in one of the upper 32
3270 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3271 necessary for PIC support on sparc64.
3273 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3275 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3276 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3277 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3278 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3279 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3280 (SPARC_FP_ARG_FIRST): New macro.
3281 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3282 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3283 (NPARM_REGS): There are 32 fp argument registers now.
3284 (FUNCTION_ARG_REGNO_P): Likewise.
3285 (FIRST_PARM_OFFSET): Update to new v9 abi.
3286 (REG_PARM_STACK_SPACE): Define for arch64.
3287 (enum sparc_arg_class): Delete.
3288 (sparc_arg_count,sparc_n_named_args): Delete.
3289 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3290 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3291 (FUNCTION_ARG_ADVANCE): Rewrite.
3292 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3293 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3294 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3295 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3296 (STRICT_ARGUMENT_NAMING): Define.
3297 (doublemove_string): Declare.
3298 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3299 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3300 (doublemove_string): New function.
3301 (output_move_quad): Clean up some of the arch64 support.
3302 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3303 Don't add 8 bytes of reserved space if arch64.
3304 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3305 (init_cumulative_args): New function.
3306 (function_arg_slotno): New static function.
3307 (function_arg,function_arg_partial_nregs): New functions.
3308 (function_arg_{pass_by_reference,advance}): New functions.
3309 (function_arg_padding): New function.
3310 * ginclude/va-sparc.h: Rewrite v9 support.
3312 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3314 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3315 for hard regs to determine base and index registers.
3317 * reload.c (debug_reload_to_stream): New function. Specify stream
3318 into which to write debug info.
3319 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3321 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3323 * combine.c (can_combine_p): Don't combine with an asm whose
3324 output is a hard register.
3326 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3328 * c-decl.c (start_struct): Ensure that structs with forward
3329 declarations are in fact packed when -fpack-struct is given.
3331 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3332 we are packing a structure. This allows a structure with only
3333 bytes to be aligned on a byte boundary and have no padding on a
3336 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3338 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3340 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3342 * alpha.c (alpha_return_addr_rtx): New variable.
3343 (alpha_save_machine_status): New; save it.
3344 (alpha_restore_machine_status): New; restore it.
3345 (alpha_init_expanders): New; clear it.
3346 (alpha_return_addr): New; set it.
3347 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3348 is overly conservative, so search the insns explicitly.
3349 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3350 (alpha_sa_size [VMS && !VMS]): Likewise.
3351 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3352 (INIT_EXPANDERS): New definition.
3354 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3355 (output_prolog [!VMS]): Use them.
3357 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3358 (alpha_does_function_need_gp): ... a new function. Refine the
3359 CALL_INSN test to just TYPE_JSR.
3360 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3362 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3364 * version.c: Bump for snapshot.
3366 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3368 * pa.c (move_operand): Respect -mdisable-indexing.
3369 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3371 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3373 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3375 (umulsidi3,umulsi3_highpart): Ditto.
3376 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3378 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3380 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3381 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3382 function in one go. Emit RTL for trapb, instead of printf directly.
3383 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3384 (trap_pending): Kill global variable.
3385 (output_epilog): Don't call final_prescan_insn.
3386 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3387 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3388 (MACHINE_DEPENENT_REORG): Define.
3389 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3392 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3394 Tune Haifa scheduler for Alpha:
3395 * alpha.h (ISSUE_RATE): Define.
3396 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3397 EV4 adjustments to EV5.
3398 * alpha.md: Remove all scaling from function unit delays. Rework
3399 EV5 function units to match the CPU.
3400 (umuldi3_highpart): EV5 added the IMULH insn class.
3402 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3404 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3407 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3409 * cplus-dem.c (demangle_signature): Don't look for return types on
3410 constructors. Handle member template constructors.
3412 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3414 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3415 * tree.h: Declare them.
3417 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3419 * configure.in: Handle --with-newlib.
3420 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3422 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3424 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3426 * config/ptx4.h: Fix typo.
3428 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3430 * version.c: Bump for snapshot.
3432 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3434 * aclocal.m4: Substitute INSTALL.
3435 * configure: Re-built.
3437 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3439 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3441 (expand_inline_function): Likewise.
3443 * dwarf2out.c (output_call_frame_info): Reinstate last change
3444 using flag_debug_asm check instead of flag_verbose_asm.
3446 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3448 * dwarf2out.c (output_call_frame_info): Remove last change.
3450 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3452 * frame.c (__frame_state_for): Execute the FDE insns until the
3453 current pc value is strictly bigger than the target pc value.
3455 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3457 * regclass.c (init_reg_modes): If we can't find a mode for the
3458 register, use the previous one.
3460 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3462 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3463 don't sprintf through an alloca'ed buffer.
3465 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3467 * reload.c (decompose): Always initialize val.base.
3469 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3471 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3472 instead of aborting.
3473 * dwarf2out.c (output_call_frame_info): Call app_enable and
3474 app_disable to let GNU as accept the generated comments.
3476 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3478 * tree.h (get_file_function_name): Add declaration.
3479 * dwarf2out.c (output_call_frame_info): No need to cast
3480 get_file_function_name call anymore.
3481 * profile.c (toplevel): Remove get_file_function_name
3483 * c-lang.c (finish_file): Ditto.
3485 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3487 * Makefile.in (program_transform_name): Let autoconf substitute
3490 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3492 * haifa-sched.c (schedule_block): If the first real insn in a
3493 block has any special notes attached to it, remove them.
3495 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3497 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3499 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3501 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3503 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3505 * Makefile.in (check-g77): New test target.
3506 (CHECK-TARGETS): Add check-g77.
3508 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3510 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3512 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3514 * flow.c (print_rtl_with_bb): Cast alloca return value for
3517 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3519 * i386.h (RETURN_ADDR_RTX): New definition that works for
3520 __builtin_return_address(0) and -fomit-frame-pointer.
3522 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3524 Bring over from FSF.
3525 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3527 * mips.c (function_arg): Handle passing a struct
3528 containing a double in a DFmode register without the PARALLEL.
3530 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3532 * pexecute.c: Use spawn if __CYGWIN32__.
3534 * pexecute.c: Include "config.h" first, as per autoconf manual
3535 (from Paul Eggert <eggert@twinsun.com>).
3537 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3539 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3540 optimisation for f/expr.o and f/stb.o.
3542 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3544 * cse.c (this_insn_cc0_mode): Initialize.
3546 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3548 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3550 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3552 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3554 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3555 that pair will dual-issue on the 21164 and plus+beq won't.
3556 (bne): Likewise for cmpeq+beq.
3558 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3560 * except.c (find_exception_handler_labels): Correct argument to free.
3562 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3564 * except.c (find_exception_handler_labels): Free LABELS when we're
3567 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3569 * version.c: Bump for snapshot.
3571 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3573 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3576 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3578 * configure.in: Substitute for "install" too.
3579 * configure: Rebuilt.
3581 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3583 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3585 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3587 * alias.c (base_alias_check): Two symbols can conflict if they
3588 are accessed via AND.
3589 (memrefs_conflict_p): Likewise.
3591 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3592 after flushing argument registers to the stack.
3594 * Makefile.in (mostlyclean): Remove .regmove files.
3596 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3598 * libgcc2.c (__throw): Fix thinko.
3600 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3602 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3603 template-function mangling.
3604 (consume_count_with_underscores): New function.
3605 (demangle_signature): Handle new name-mangling scheme.
3607 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3609 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3612 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3614 * frame.c: Remove last change.
3615 * dwarf2.h: Remove last change.
3616 * tree.h: Add declarations of DWARF2 unwind info support
3619 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3621 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3622 * tree.h (built_in_function): Likewise.
3623 * expr.c (expand_builtin): Likewise.
3624 * except.h: Likewise.
3625 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3626 * libgcc2.c (copy_reg): New fn.
3629 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3631 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3632 unsigned if -W is specified and -Wno-sign-compare is not.
3633 * c-decl.c (warn_sign_compare): Initialize to -1.
3634 (c_decode_option): -Wall no longer implies -Wsign-compare.
3636 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3638 * frame.c: Include gansidecl.h for PROTO.
3639 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3640 defined. Don't declare dwarf2out_cfi_label here.
3641 * dwarf2.h: Add declarations of DWARF2 unwind info support
3643 * m68k.c: Include dwarf2.h.
3644 (output_function_prologue): Add dwarf2 support.
3645 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3646 (INCOMING_FRAME_SP_OFFSET): Likewise.
3648 * integrate.c (expand_inline_function): Make sure there is at
3649 least one insn that can be used as an insertion point.
3651 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3653 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3655 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3657 * version.c: Bump for snapshot.
3659 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3661 Bring over from FSF.
3663 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3665 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3666 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3667 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3669 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3671 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3672 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3674 (sparc_align_{loops,jumps,funcs}_string): Declare.
3675 (sparc_align_{loops,jumps,funcs}): Declare.
3676 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3677 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3678 (STACK_BIAS): Define.
3679 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3681 (SPARC_SETHI_P): New macro.
3682 (CONST_OK_FOR_LETTER_P): Use it.
3683 (ASM_OUTPUT_ALIGN_CODE): Define.
3684 (ASM_OUTPUT_LOOP_ALIGN): Define.
3685 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3686 (sparc_align_{loops,jumps,funcs}): New globals.
3687 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3689 (move_operand): Use SPARC_SETHI_P.
3690 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3692 (arith11_double_operand): Likewise.
3693 (arith10_double_operand): Likewise.
3694 (finalize_pic): Finish sparc64 support.
3695 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3696 64 bit constants if able.
3697 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3698 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3700 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3701 (get_pc_sp32): Use for sparc64 as well.
3702 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3703 (sethi_di_sp64_const): Likewise.
3704 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3705 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3706 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3708 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3710 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3711 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3712 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3714 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3716 Add sparc64 linux support.
3717 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3718 to xm_file list on 32-bit sparc-linux.
3719 * sparc/xm-sp64.h: New file.
3720 * sparc/linux64.h: New file.
3721 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3722 Don't include xm-sparc.h.
3723 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3724 * glimits.h (LONG_MAX): Handle sparc64.
3726 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3728 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3729 * sparc.h (ASM_COMMENT_START): Define.
3730 * sparc.c (output_function_prologue): Use it.
3731 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3733 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3735 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3736 use sparc.h's copies.
3737 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3740 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3742 * sparc.c (dwarf2out_cfi_label): Add declaration.
3743 (save_regs, output_function_prologue): Remove cast for it.
3744 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3745 ({save,restore}_regs): No longer inline.
3747 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3749 * fold-const.c (make_range): Correctly handle cases of converting
3750 from unsigned to signed type.
3752 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3754 * fold-const.c (merge_ranges): Make sure that if one range is subset
3755 of another, it will always be the second range. Correct (+,-) case to
3758 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3760 * final.c (final_end_function): Also do dwarf2 thing if
3761 DWARF2_DEBUGGING_INFO.
3762 (final_start_function): Likewise.
3764 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3766 * expmed.c (expand_divmod): If compute_mode is not the same as
3767 mode, handle the case where convert_modes() causes op1 to no
3768 longer be a CONST_INT.
3770 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3771 note holding get_jump_flags() calculation to all JUMP_INSNs.
3772 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3773 * rtl.c (reg_note_name): Add new note types.
3775 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3777 * rtlanal.c (computed_jump_p): Fix typo in last change.
3779 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3781 * loop.c (indirect_jump_in_function_p): Return 0
3784 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3786 * rs6000/xm-rs6000.h: Fix thinko in last change.
3787 * rs6000/xm-sysv4.h: Likewise.
3789 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3791 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3793 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3795 * reg-stack.c (find_blocks): Fix thinko in last change.
3797 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3799 * m68k.c (output_function_prologue): Add dwarf2 support.
3801 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3802 INCOMING_FRAME_SP_OFFSET): New definitions.
3804 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3806 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3807 appropriate in calls to gen_rtx().
3808 * cse.c (cse_main): Likewise.
3809 * emit-rtl.c (gen_label_rtx): Likewise.
3810 * expr.c (init_expr_once): Likewise.
3811 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3812 sched_analyze, init_rgn_data_dependences,
3813 compute_block_backward_dependences): Likewise.
3814 * sched.c (schedule_insns): Likewise.
3815 * varasm.c (immed_double_const): Likewise.
3817 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3818 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3820 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3822 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3823 (MULTILIB_DEFAULTS): Define.
3824 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3825 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3826 (LIBGCC_SPEC): Likewise.
3827 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3828 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3829 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3830 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3831 (EXTRA_PARTS, TAROUTOPTS): Delete.
3832 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3833 (MULTILIB_OPTIONS): Define.
3834 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3835 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3837 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3839 * version.c: Bump for snapshot.
3841 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3843 * loop.c (loop_number): Delete function. Change all references
3844 to use uid_loop_num array.
3845 * loop.h (loop_number): Delete declaration.
3846 * unroll.c (unroll_loop): Change "loop_number" references to
3847 use uid_loop_num instead.
3849 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3851 (loop_unroll_iter): Remove unused variable and all references.
3852 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3853 (insert_bct): Fix minor formatting problems.
3854 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3855 (loop_unroll_iter): Removed unused decl.
3856 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3857 Always record the unrolling factor.
3859 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3860 Similarly for h1u and h1s.
3862 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3863 (find_basic_blocks): Use computed_jump_p to determine if a
3864 particular JUMP_INSN is a computed jump.
3865 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3866 if a particular JUMP_INSN is a computed jump.
3867 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3868 (computed_jump_p): Likewise.
3869 * rtl.h (computed_jump_p): Declare.
3870 * genattrtab.c (pc_rtx): Define and initialize.
3871 * loop.c (loop_optimize): Always determine if the current
3872 function has a computed jump.
3873 (indirect_jump_in_function_p): Use computed_jump_p to determine
3874 if a particular JUMP_INSN is a computed jump.
3876 * loop.c (fix_bct_param): Delete unused function.
3877 (check_bct_param): Likewise.
3879 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3881 * frame.c (__deregister_frame): Check properly for initialized object.
3883 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3885 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3887 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3889 * jump.c (thread_jumps): check can_reverse_comparison_p before
3890 threading a reversed-condition jump.
3892 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3893 * haifa-sched.c (update_flow_info): Likewise.
3895 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3897 * Makefile.in (BOOT_CFLAGS): Use -O2.
3899 * configure.in (strtoul, bsearch): Have autoconf check for these
3901 * configure, config.in: Rebuilt.
3903 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3904 * mips/mips.h (alloca): Likewise.
3905 * rs6000/xm-rs6000.h (alloca): Likewise.
3906 * rs6000/xm-sysv4.h: Likewise.
3908 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3910 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3911 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3912 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3914 * except.c (end_eh_unwinder): Subtract 1 from return address.
3915 * libgcc2.c (__throw): Likewise.
3916 (find_exception_handler): Don't change PC here. Compare end with >.
3918 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3920 * v850.c (compute_register_save_size): Correct register
3922 * v850.md (save_interrupt, return_interrupt): Correct
3924 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3925 (return_interrupt): Use stack pointer, not element pointer.
3927 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3929 * configure.in, configure: Make sure to create the stage* and include
3930 symbolic links in each subdirectory.
3932 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3934 * pa.md (reload_peepholes): Don't allow addresses with side
3935 effects for the memory operand.
3937 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3939 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3940 looking for a handler, to avoid hitting the beginning of the next
3943 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3945 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3947 * mips/abi64.h (LONG_MAX_SPEC): Define.
3948 * mips.h (LONG_MAX_SPEC): Define.
3949 (CPP_SPEC): Include long_max_spec.
3950 (EXTRA_SPECS): Include long_max_spec.
3952 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3954 * v850.c (construct_save_jarl): Fix thinko in last change.
3956 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3958 * version.c: Bump for snapshot.
3960 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3962 * libgcc2.c (find_exception_handler): Not found is -1.
3964 * integrate.c (expand_inline_function): Move expand_start_bindings
3965 after expanding the arguments.
3967 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3969 * expr.c (expand_expr): Remove previous incorrect change.
3970 If target and slot has no DECL_RTL, then call mark_addressable
3971 again for the slot after we give it RTL.
3973 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3975 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3976 again for the slot after we give it RTL.
3978 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3980 * v850.c (register_is_ok_for_epilogue,
3981 pattern_is_ok_for_epilogue, construct_restore_jr,
3982 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3984 * v850.h (pattern_is_ok_for_prologue,
3985 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3988 * v850.md: Replace prologue and epilogue patterns with a
3989 match_parallel pattern.
3991 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3993 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3994 * configure.in: Use EGCS_PROG_INSTALL.
3996 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3998 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3999 extern inline function.
4001 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4003 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4004 (concat_loc_descriptor): New function.
4005 (loc_descriptor): Call it.
4006 (add_AT_location_description): Also elide the descriptor if both
4007 halves of a CONCAT are pseudos.
4008 (add_location_or_const_value_attribute): Recognize CONCAT too.
4010 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4012 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4014 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4015 out-or-range reg_offset.
4016 (output_epilog): Likewise.
4018 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4020 * cse.c (simplify_relational_operation): If MODE specifies a
4021 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4022 is derived from the sign bit of the low word.
4024 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4026 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4028 * dwarf2.h: Add DW_CFA_GNU_args_size.
4029 * frame.c (execute_cfa_insn): Likewise.
4030 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4031 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4032 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4033 insn, hand it off to dwarf2out_stack_adjust.
4034 (dwarf2out_begin_prologue): Initialize args_size.
4035 * frame.h (struct frame_state): Add args_size.
4036 * libgcc2.c (__throw): Use args_size.
4037 * final.c (final_scan_insn): If we push args, hand off all insns
4038 to dwarf2out_frame_debug.
4039 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4041 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4042 Handle epilogue restore of SP from FP.
4043 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4044 lone insn has RTX_FRAME_RELATED_P set.
4046 * frame.c (extract_cie_info): Handle "e" augmentation.
4047 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4048 absence of UNALIGNED_*_ASM_OP.
4049 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4050 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4051 Don't emit augmentation fields length.
4052 (dwarf2out_do_frame): Move outside of #ifdefs.
4053 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4056 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4057 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4058 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4059 * sparc/sun4gas.h: New file.
4060 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4062 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4063 __register_frame_table and __deregister_frame.
4065 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4067 * except.c (find_exception_handler_labels): Use xmalloc instead of
4068 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4071 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4073 * Makefile.in: Various changes to build info files
4074 in the object tree rather than the source tree.
4076 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4078 * fixinc.math: New file to fix math.h on some systems.
4079 * configure.in (freebsd, netbsd): Use fixinc.math on these
4081 * configure: Rebuilt.
4083 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4085 * regmove.c (regmove_optimize): If we end up moving the
4086 original insn due to lifetime overlaps, make sure to move
4089 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4091 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4093 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4095 * haifa-sched.c (add_branch_dependences): Make each insn in
4096 a SCHED_GROUP_P block explicitly depend on the previous insn.
4098 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4100 * except.h: Prototype dwarf2 hooks.
4103 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4105 * configure.in (native_prefix): Delete.
4106 (mips-dec-netbsd): Don't set prefix.
4107 (*linux*): Don't set prefix.
4109 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4111 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4112 defined. If not defined, include <sys/varargs.h> if
4113 HAVE_SYS_VARARGS_H is defined.
4114 * configure.in: Test for varargs.h and sys/varargs.h.
4115 * configure: Regenerate with autoconf.
4116 * config.in: Regenerate with autoheader.
4118 * cpplib.c (quote_string): Cast first arg of sprintf call
4119 from "unsigned char *" to "char *".
4120 (output_line_command): Ditto.
4121 (macroexpand): Ditto.
4122 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4124 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4126 * version.c: Bump for snapshot.
4128 * Makefile.in (compare): Exit with nonzero status if there
4129 are comparison failures. Note which files failed the
4130 comparison test in .bad_compare.
4132 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4134 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4136 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4138 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4139 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4140 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4141 * configure: Regenerated.
4143 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4145 * loop.c (strength_reduce): Fix typo.
4147 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4149 * m88k/m88k.c (struct option): Rename to struct options.
4150 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4151 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4152 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4153 __DOLPHIN__ or sysV88.
4155 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4157 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4160 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4162 * config.sub: Accept 'amigados' for backward compatability.
4164 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4166 * Makefile.in (testsuite/site.exp): New target.
4167 (check-gcc, check-g++): Depend on testsuite/site.exp.
4168 Don't stop for failure.
4170 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4172 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4173 if DWARF2_UNWIND_INFO.
4175 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4177 Add support for exception handling using DWARF 2 frame unwind info.
4178 Currently works on SPARC and MIPS, and almost on x86.
4180 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4181 next_stack_level, in_reg_window): Helper fns.
4182 (__throw): Implement for DWARF2_UNWIND_INFO.
4184 * expr.c (expand_builtin): Handle builtins used by __throw.
4185 * tree.h (enum built_in_function): Add builtins used by __throw.
4186 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4187 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4188 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4189 (expand_builtin_extract_return_addr): Likewise.
4190 (expand_builtin_frob_return_addr): Likewise.
4191 (expand_builtin_set_return_addr_reg): Likewise.
4192 (expand_builtin_eh_stub): Likewise.
4193 (expand_builtin_set_eh_regs): Likewise.
4194 (eh_regs): Choose two call-clobbered registers for passing back values.
4196 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4197 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4198 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4199 (stmp-multilib): Likewise.
4200 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4202 * except.c: #include "defaults.h".
4203 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4204 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4205 (register_exception_table_p): New fn.
4206 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4207 (end_eh_unwinder): Likewise.
4209 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4210 call __register_frame and __deregister_frame as needed.
4211 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4212 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4213 EH_FRAME_SECTION_ASM_OP.
4214 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4215 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4216 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4218 * dwarf2out.c (output_call_frame_info): If no support for
4219 EXCEPTION_SECTION, mark the start of the frame info with a
4221 * collect2.c (frame_tables): New list.
4222 (is_ctor_dtor): Recognise frame entries.
4223 (scan_prog_file): Likewise.
4224 (main): Pass -fno-exceptions to sub-compile. Also do collection
4225 if there are any frame entries.
4226 (write_c_file_stat): Call __register_frame_table and
4227 __deregister_frame as needed.
4228 (write_c_file_glob): Likewise.
4230 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4231 Also require unaligned reloc support.
4232 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4233 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4234 * sparc/sysv4.h: Not here.
4236 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4237 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4238 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4240 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4241 EH implementations to the top.
4242 (find_exception_handler): Split out. Start from 0. Compare against
4244 (__find_first_exception_table_match): Use it.
4245 * except.c (output_exception_table): Don't do anything if there's
4246 no table. Don't output a first entry of zeroes.
4247 (eh_outer_context): Adjust properly.
4248 (add_eh_table_entry): Use xrealloc.
4249 * toplev.c (compile_file): Just call output_exception_table.
4251 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4253 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4255 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4257 * except.c (eh_outer_context): Do masking using expand_and.
4259 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4261 Add port done awhile ago for the ARC cpu.
4262 * arc/arc.h: New file.
4263 * arc/arc.c: New file.
4264 * arc/arc.md: New file.
4265 * arc/initfini.c: New file.
4266 * arc/lib1funcs.asm: New file.
4267 * arc/t-arc: New file.
4268 * arc/xm-arc.h: New file.
4269 * ginclude/va-arc.h: New file.
4270 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4271 * ginclude/varargs.h: Likewise.
4272 * Makefile.in (USER_H): Add va-arc.h.
4273 * configure.in (arc-*-elf*): Recognize.
4274 * longlong.h: Add ARC support.
4276 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4278 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4279 when clearing non-BLKmode data.
4281 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4283 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4284 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4286 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4288 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4290 * Makefile.in (clean): Delete libgcc1-test.
4292 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4294 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4296 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4299 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4301 * dwarf2out.c (output_call_frame_info): Call named_section.
4303 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4305 * haifa-sched.c (print_value): Fix last change.
4307 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4309 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4312 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4314 * mips.c (function_prologue): Set up the CFA when ABI_32.
4316 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4317 for dwarf2 unwind info.
4318 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4320 * final.c (final_end_function): Check dwarf2out_do_frame instead
4321 of DWARF2_DEBUG for dwarf2 unwind info.
4322 (final_scan_insn): Likewise.
4323 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4326 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4329 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4331 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4333 * v850.h (ASM_SPEC): Pass on target processor.
4334 (CPP_PREDEFINES): Only define if not already specified.
4335 (TARGET_VERSION): Only define if not already specified.
4336 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4338 (EXTRA_SWITCHES): Extra entries in the switches array.
4339 (TARGET_DEFAULT): Set default target processor.
4341 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4343 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4344 cases, add %# and %/, and add : to make them into extended asms.
4346 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4348 * alias.c (init_alias_analysis): Clean up incompatible pointer
4349 type warning in bzero.
4350 * regmove.c (regmove_optimize): Ditto.
4351 * haifa-sched.c (find_rgns): Ditto.
4353 * haifa-sched.c (print_value): Clean up ptr->int cast
4356 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4358 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4359 * install.texi (Configurations): Ditto.
4360 * config.sub: Ditto.
4362 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4364 * Makefile.in (sdbout.o): Depend on insn-config.h.
4366 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4368 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4369 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4371 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4373 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4374 prologue insn, only the first elt is significant.
4375 (output_call_frame_info): For exception handling, always use 4-byte
4376 fields as specified by the dwarf2 spec.
4377 Don't skip trivial FDEs.
4379 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4381 * version.c: Bump for snapshot.
4383 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4385 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4386 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4389 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4391 * final.c (shorten_branches): During first pass, assume worst
4392 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4394 * Makefile.in (distclean): Remove various things left around
4395 by running the testsuite.
4397 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4399 * configure.in (out_file): Emit definition to config.status in order
4400 to have a defined value for configure.lang.
4401 * configure: Re-built.
4403 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4405 * configure.in: Make symlink to as-new rather than as.new. Similarly
4407 * configure: Rebuilt.
4409 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4411 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4413 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4415 * sparc/sparc.md: Add ultrasparc scheduling support.
4416 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4418 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4420 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4421 as initial value for real_label_map.
4422 (copy_for_inline): Likewise.
4424 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4426 * sched.c (update_flow_info) When looking if to set found_split_dest
4427 or found_orig_dest, look at all parts of a PARALLEL.
4428 * haifa-sched.c (update_flow_info): Likewise.
4430 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4432 * v850: New directory for v850 port.
4433 * v850/lib1funcs.asm: New file.
4434 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4435 * ginclude/va-v850.h: New file.
4436 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4437 * configure.in (mn10200-*-*): New target.
4438 * configure: Rebuilt.
4439 * config.sub: Handle v850-elf.
4440 * Makefile.in (USER_H): Add va-mn10200.h.
4441 * invoke.texi: Document v850 stuff.
4443 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4445 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4446 has integer TYPE_{MAX,MIN}_VALUE before using them.
4448 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4449 __HPUX_ASM__ versions.
4451 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4453 * install.sh: Delete duplicate install script.
4455 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4457 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4458 computed goto which sets the same stack register.
4460 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4461 destination are both on the regstack.
4462 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4464 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4466 * mips.md (nonlocal_goto_receiver): Define.
4468 * profile.c (output_arc_profiler): Check next_insert_after for non
4469 NULL before deferencing it.
4471 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4473 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4475 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4477 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4479 * toplev.c (rest_of_compilation): For passes starting with
4480 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4482 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4485 * flow.c (print_rtl_with_bb): Print which insns start and end
4486 basic blocks. For the start of a basic block, also print the live
4489 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4491 * toplev.c (main): Change #elif to #else/#ifdef
4493 * tlink.c: Include ctype.h.
4494 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4496 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4498 * bitmap.c: Conditionally include stdlib.h.
4499 (free): Provide a declaration if NEED_DECLARATION_FREE.
4501 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4503 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4505 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4507 * profile.c (output_arc_profiler): Verify next_insert_after is an
4508 INSN before and after skipping a stack pop.
4510 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4512 * final.c (shorten_branches): Don't count the lengths of deleted
4515 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4517 * version.c: Bump for snapshot.
4519 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4521 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4522 two bitmaps ANDed together.
4523 (bitmap_print): Declare.
4525 * bitmap.c (function_obstack): Don't declare any more.
4526 (bitmap_obstack): Obstack for allocating links from.
4527 (bitmap_obstack_init): New static to say whether to initialize
4529 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4530 (bitmap_release_memory): Free all memory allocated from
4533 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4534 EXECUTE_IF_AND_IN_BITMAP.
4536 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4538 * alias.c (true_dependence): Address with AND can alias scalars.
4539 (anti_dependence, output_dependence): Likewise.
4541 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4543 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4545 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4546 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4547 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4548 definitions. Use -qrtems instead of -mrtems.
4550 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4552 * xm-sco5.h (sys_siglist): Define.
4553 (SYS_SIGLIST_DECLARED): Likewise.
4555 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4557 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4559 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4561 * except.c (eh_outer_context): Expand masking operation using
4564 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4566 * alpha.md (floatdisf2-1): New pattern.
4568 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4570 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4571 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4572 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4573 * gcc.texi: Note that if you define sys_siglist that you should
4574 also define SYS_SIGLIST_DECLARED.
4576 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4577 are relative to the next instruction, not the current instruction.
4579 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4581 * local-alloc.c (contains_replace_regs): New function.
4582 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4583 verify that there is no existing REG_EQUIV note, and add a call to
4584 contains_place_regs.
4586 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4588 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4589 (STARTFILE_SPEC): Always use crtbegin.o%s
4590 (ENDFILE_SPEC): Always use crtend.o%s.
4592 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4594 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4596 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4597 SFmode for 64 bit hosts.
4599 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4601 * fixincludes: Permits spaces between # and define. Discard C++
4602 comments in sys/pci.h on HP/UX 10.20.
4604 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4606 * version.c: Bump for snapshot.
4608 * pa.c (restore_unscaled_index_insn_codes): New function.
4609 (record_unscaled_index_insn_codes): Likewise.
4610 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4611 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4612 (pa_reorg): Call record_unscaled_index_insn_codes.
4614 * haifa-sched.c (move_insn): Handle notes correctly for insns
4615 with SCHED_GROUP_P set.
4617 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4619 * alpha/xm-linux.h (USE_BFD): Undef before define.
4621 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4623 * cse.c (cse_insn): Don't record BLKmode values.
4625 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4627 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4629 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4631 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4632 * collect2.c (sys_errlist): Likewise.
4633 * cpplib.c (sys_errlist): Likewise.
4634 * gcc.c (sys_errlist): Likewise.
4635 * protoize (sys_errlist): Likewise.
4636 * configure.in: Check for strerror.
4637 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4638 * xm-gnu.h (HAVE_STRERROR): Likewise.
4639 * xm-linux.h (HAVE_STRERROR): Likewise.
4640 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4641 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4642 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4643 * xm-dos.h (HAVE_STRERROR): Likewise.
4644 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4645 * xm-pa.h (HAVE_STRERROR): Likewise.
4646 * xm-papro.h (HAVE_STRERROR): Likewise.
4647 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4648 * configure, config.in: Rebuilt.
4650 * Makefile.in: Add several missing "else true" clauses.
4652 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4653 * mips-tfile.c: Likewise.
4654 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4655 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4656 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4657 * configure.in: Check for sys_siglist declaration.
4658 * configure, config.in: Rebuilt.
4660 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4662 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4663 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4664 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4665 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4666 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4667 macro EXTRA_SUBTARGET_SWITCHES.
4668 * configure.in (sh*-*-rtems*): New target.
4669 * sh/rtems.h: New file.
4670 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4671 * configure: Rebuilt.
4673 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4675 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4677 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4679 * rs6000.md: Make DF fused-add operations pay attention to
4682 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4684 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4686 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4688 * pa.md (reload_peepholes): Make sure operand is a REG before
4689 examining REGNO. Allow general registers too.
4691 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4693 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4695 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4697 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4698 to reallocate abbrev_die_table.
4700 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4702 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4704 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4706 * Makefile.in (config.status): Depend on version.c
4708 * expr.h (insn_gen_function): Reenable prototype.
4710 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4713 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4715 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4717 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4719 * version.c: Bump for latest snapshot.
4721 * bc-optab.c: Conditionally include stdlib.h.
4722 (free): Provide a declaration if NEED_DECLARATION_FREE.
4723 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4724 * rtl.h (free): Remove declaration.
4725 * tree.h (free): Remvoe declaration.
4727 * configure: Rebuilt.
4729 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4731 * flags.h (flag_move_all_movables): Declare.
4732 (flag_reduce_all_givs): Likewise.
4733 * loop.c (move_movables): Handle flag_move_all_movables.
4734 (strength_reduce): Handle flag_reduce_all_givs.
4735 * toplev.c (flag_move_all_movables): Define.
4736 (flag_reduce_all_givs): Likewise.
4737 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4738 * invoke.texi: Document new options, including alias stuff that
4739 wasn't included last time.
4741 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4743 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4746 * t-vxworks68: Ditto.
4747 * t-vxworks960: Ditto.
4750 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4752 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4753 if not already defined, and USE_C_ALLOCA not defined.
4755 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4757 * config.guess: Replace with script that uses ../config.guess.
4759 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4760 if USE_GNULIBC_1 is not defined.
4762 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4764 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4765 * config.guess: Recognize alpha-linux-gnulibc1.
4766 * configure.in (alpha-*-linux-gnulibc1): New target.
4767 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4769 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4771 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4774 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4776 * loop.c (combine_movables): Earlier insns don't match later ones.
4778 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4780 * config/linux.h (CC1_SPEC): Define it only if not defined.
4782 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4785 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4786 USE_GNULIBC_1 is not defined.
4788 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4790 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4791 as 1 if USE_GNULIBC_1 is not defined.
4793 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4795 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4796 to be something other than a REG.
4797 * function.c (expand_function_end): Fix current_function_return_rtx
4800 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4801 * x-netbsd: Likewise
4802 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4803 (INSTALL_HEADERS): Delete.
4804 * x-dguxbcs: Likewise.
4805 * x-hp3bsd44: Likewise
4808 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4810 * i386.md (pop): pop increments the stack pointer.
4811 (prologue_set_stack_ptr): New pattern.
4812 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4815 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4817 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4818 address where an offsettable address is required.
4820 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4822 * loop.c (check_final_value): Don't miss a biv increment in a
4825 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4827 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4828 TYPE_DECL_IS_STUB instead of DECL_NAME.
4830 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4832 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4834 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4836 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4838 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4840 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4841 (find_post_sched_live): Likewise.
4843 * haifa-sched.c (schedule_block): Remove old code to get arguments
4844 from hard regs into pseudos early.
4846 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4848 * version.c: Bump for new snapshot.
4850 * local-alloc.c (update_equiv_regs): All the target to reject
4851 promotion of some REG_EQUAL to REG_EQUIV notes.
4852 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4854 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4857 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4858 store of the argument registers.
4860 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4862 * fold-const.c (multiple_of_p): New function.
4863 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4865 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4867 * expr.h (insn_gen_function): Temporarily remove prototype.
4869 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4871 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4872 filenames. Use sed to extract base filename for install.
4874 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4876 * unroll.c (find_splittable_givs): Only share if two givs have the
4877 same add and multiply values.
4879 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4881 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4882 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4884 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4886 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4887 around branch tables.
4888 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4889 and .end_brtab directives if TARGET_GAS.
4891 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4893 * alias.c (true_dependence): Pass x_addr not x to varies.
4895 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4896 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4897 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4899 * config.in, configure: Regenerate.
4901 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4903 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4905 (record_set): Handle LO_SUM like PLUS.
4906 (init_alias_analysis): When following chains of base addresses,
4907 do not stop on reaching a hard register.
4909 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4911 * version.c: Bump for new snapshot.
4913 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4915 * alpha.h (ARCH_ASM_FILE_START): Define.
4916 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4917 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4919 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4921 * Makefile.in (install-common): Put gcov comment at start of line.
4923 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4925 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4926 array, simplify entries for hard registers too.
4928 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4930 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4933 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4935 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4936 block_stack before dereferencing it.
4938 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4940 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4942 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4944 * cplus-dem.c: Add 'extern' to prepends_underscore.
4946 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4948 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4949 (get_issue_rate): Delete.
4950 * pa.h (ISSUE_RATE): Define.
4952 * configure.in: Turn on haifa by default for the PA.
4953 * configure: Rebuilt.
4954 * pa.c (override_options): Accept -mschedule=7200 option.
4955 (pa_adjust_cost): No longer need to scale costs for newer
4957 * pa.h (enum processor_type): Add PROCESSOR_7200.
4958 * pa.md: Revamp scheduling parameters to work better with
4959 haifa. Add scheduling parameters for the 7200.
4961 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4963 (schedule_block): When adjusting basic_block_{head,end}, account
4964 for movement of SCHED_GROUP_P insns too.
4966 * haifa-sched.c (debug_dependencies): Fix thinko.
4968 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4969 (site.exp, check, check-g++, check-gcc): New targets.
4971 * haifa-sched.c: Make lots of variables static.
4973 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4975 * expr.h, real.h: Finish prototyping.
4977 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4979 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4980 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4981 * reload1.c: Undo bugfix from Aug 11.
4983 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4985 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4986 quotes around the name.
4987 * configure: Regenerate.
4989 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4991 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4993 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4995 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4996 to sub-makes to avoid building more passes than the user might have
4997 requested on the command line.
4999 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5001 * configure.in: Expurgate `broken_install' (install is
5004 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5007 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5009 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5010 functions and declarations.
5011 (analyze_loop_iterations): Use condjump_p.
5012 (insert_bct): Likewise. Use exact_log2.
5014 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5016 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5017 (schedule_region): Likewise.
5018 (schedule_insns): Likewise.
5020 * PROJECTS: Update with Haifa stuff.
5022 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5024 * version.c: Change the version string to look like:
5025 egcs-2.90.00 970814 (gcc2-970802 experimental).
5027 * loop.c (is_conditional_branch): Make definition match declaration.
5029 * gcc.c: Take out experimental snapshot warning message.
5031 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5033 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5034 print out the names of the notes. Print out the name of the insn
5035 that is not a note, and not an {,CALL_,JUMP_}INSN.
5037 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5039 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5040 again for the slot after we give it RTL.
5042 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5044 * configure.in (haifa configury): Fix typo.
5045 * configure: Regenerate.
5047 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5049 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5051 * gcc.info*: Rebuilt.
5053 * COPYING.g77, README.g77: New files.
5054 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5055 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5056 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5058 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5060 * Integrate Haifa instruction scheduler.
5061 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5062 to sched with $(SCHED_CFLAGS.
5063 * configure.in: Handle --enable-haifa.
5064 * configure: Rebuilt.
5065 * flags.h: Add new flags for haifa instruction scheduler.
5066 * genattrtab.c (expand_units): For haifa, don't subtract one
5067 when computing blockage.
5068 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5069 (flag_schedule_speculative): Ditto.
5070 (flag_schedule_speculative_load): Ditto.
5071 (flag_schedule_speculative_load_dangerous): Ditto.
5072 (flag_schedule_reverse_before_reload): Ditto.
5073 (flag_schedule_reverse_after_reload): Ditto.
5074 (flag_branch_on_count_reg): Ditto.
5075 (f_options): Add Haifa switches.
5076 (main): Turn off some Haifa options if appropriate macro is
5077 defined. Process Haifa switches.
5078 * unroll.c (iteration_info): No longer static, since Haifa
5080 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5081 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5082 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5083 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5084 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5085 storage for the Haifa scheduler.
5086 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5088 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5089 are defined, call analyze_loop_iterations and insert_bct to use
5091 (record_giv): Refine test for jumps out of loops if HAIFA is
5093 (analyze_loop_iterations): New function to identify if we can use
5095 (insert_bct): Insert countdown loop.
5096 (instrument_loop_bct): Low level code to insert countdown loop.
5097 (loop_number): Calculate UID of loop.
5098 (indirect_jump_in_function_p): Return true if an indirect jump is
5100 (is_power_of_2): Return true if value is a power of 2.
5101 (is_conditional_branch): Return true if insn is a conditional
5103 (fix_bct_param): Process -fbct-{min,max}-N switches.
5104 (check_bct_param): Return true if loop should be instrumented.
5105 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5106 (loop_optimize): Initialize.
5107 (get_condition_for_loop): Ditto.
5108 * loop.c (strength_reduce): Inside of code that uses #ifdef
5109 HAVE_decrement_and_branch_on_count code, test it to make sure the
5111 (instrument_loop_bct): Ditto.
5112 * haifa-sched.c: New file.
5115 * Integrate regmove pass.
5116 * Makefile.in (OBJS): Add regmove.o
5117 (regmove.o): Add dependencies.
5118 * flow.c (find_use_as_address): No longer static.
5119 * rtl.h (find_use_as_address): Declare.
5120 * toplev.c (regmove_dump, flag_regmove): Define.
5121 (f_options): Add -fregmove.
5122 (regmove_dump_file, regmove_time): Define.
5123 (fatal_insn): Close the regmove dump file.
5124 (compile_file): Initialize regmove_time; open/close the regmove dump
5125 file as needed. Print regmove time as needed.
5126 (rest_of_compilation): Run regmove pass if requested, dump
5127 RTL after regmove if requested.
5128 (main): If -O2 or more, turn on regmove. Handle dump switches.
5129 * regmove.c: New file.
5131 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5133 * Integrate tlink patch from jason@cygnus.com
5134 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5135 (process_command): Increment n_switches for them. Don't discard
5136 their args. Validate them.
5137 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5139 (process_command): Set include_prefixes from COMPILER_PATH.
5140 (main): Set COLLECT_GCC_OPTIONS sooner.
5141 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5142 * tlink.c, hash.c, hash.h: New files.
5143 * Makefile.in (USE_COLLECT2): Always use collect2.
5144 (collect2): Depend on and link in hash.o and tlink.o.
5145 (tlink.o, hash.o): Add dependencies.
5147 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5149 * Integrate alias analysis changes from jfc@mit.edu
5150 * Makefile.in (OBJS): Add alias.o
5151 (alias.o): Add dependencies.
5152 * alias.c: New file.
5153 * sched.c: Remove alias analysis code. It lives in alias.c now.
5154 (sched_analyze_2): Add new arguments to true_dependence.
5155 (schedule_insns): Always call init_alias_analysis.
5156 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5157 mark return value from such functions as a pointer and keep track of
5158 them for alias analysis. If a return value from a function is a
5159 pointer, mark it as such.
5160 * combine.c (distribute_notes): Handle REG_NOALIAS.
5161 * cse.c (struct write_data): Delete. No longer needed.
5162 (invalidate): Don't call set_nonvarying_address_components anymore.
5163 Use true_dependence to decide if an entry should be removed from
5165 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5167 (note_mem_written): Similarly for WRITE_PTR argument.
5168 (invalidate_from_clobbers): Similarly for W argument.
5169 (invalidate_for_call): Remove memory elements from the hash table.
5170 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5171 (cse_rtx_varies_p): New function. Derived from old
5172 cse_rtx_addr_varies_p.
5173 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5174 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5175 pointer if PUSH_ROUNDING is defined. No longer need to call
5176 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5177 (skipped_writes_memory): Remove variable.
5178 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5179 (invalidate_skipped_block): Simplify for new alias analysis code.
5180 (cse_set_around_loop): Likewise.
5181 (cse_main): Call init_alias_analysis.
5182 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5183 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5184 (f_options): Add new alias checking arguments.
5185 (main): Set flag_alias_check when optimizing.
5186 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5188 (memref_referenced_p): Likewise.
5189 * loop.c (NUM_STORES): Increase to 30.
5190 (prescan_loop): Only non-constant calls set unknown_address_altered.
5191 (invariant_p): Add new arguments to true_dependence.
5192 (record_giv): Initialize unrolled and shared fields.
5193 (emit_iv_add_mult): Call record_base_value as needed.
5194 * loop.h (struct induction): Add unrolled and shared fields.
5195 * unroll.c (unroll_loop): Call record_base_value as needed.
5196 (copy_loop_body): Likewise.
5197 (final_biv_value): Likewise.
5198 (final_giv_value): Likewise.
5199 (find_splittable_regs): Likewise. Only create one new pseudo
5200 if we have multiple address GIVs that were combined with the same
5201 dst_reg GIV. Note when a new register is created due to unrolling.
5202 * rtl.c (reg_note_name): Add REG_NOALIAS.
5203 * rtl.h (enum reg_note): Similarly.
5204 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5205 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5206 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5207 (true_dependence, read_dependence, anti_dependence): Likewise.
5208 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5209 (mark_user_reg, mark_reg_pointer): Likewise.
5212 * Integrate reload bugfix from Wilon which enables the PA port
5214 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5215 OPERAND_ADDRESS when computing how many registers an insn needs.
5216 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5218 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5220 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5221 in reload_reg_use_in_op_addr do not reach the end.
5222 do not reach the end.
5223 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5224 RELOAD_FOR_OPERAND_ADDRESS.
5226 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5228 * egcs project officially starts.