1 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
4 functions for whether they support the %p format specifier.
5 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
6 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
7 * configure, config.in: Rebuild.
9 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
11 * function.c (assign_parms): New variable named_arg, with value
12 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
14 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
16 * mips/t-r3900: New - same as t-ecoff but eliminate
17 multilibs: mips1 and mips3.
18 * configure.in (tx39*): Use new mips/t-r3900.
20 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
22 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
24 * dwarf2out.c: Add old_args_size.
25 (dwarf2out_args_size): Use it.
26 (dwarf2out_begin_prologue): Initialize it.
27 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
28 pushed args until we see a call.
29 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
30 before outputting them.
32 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
34 * cplus-dem.c (demangle_template_template_parm): New function.
35 (demangle_template): Handle template template parameters.
37 1998-02-02 Mark Mitchell <mmitchell@usa.net>
39 * calls.c (expand_call): Don't confuse member functions named
40 realloc, setjmp, and so forth with the standard library
41 functions of the same names.
43 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
45 * stmt.c (expand_asm_operands): Correctly identify asm statements
48 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
50 * c-common.c (decl_attributes): Flag unrecognized attribute
51 functions as warnings instead of as errors.
53 1998-02-05 Marc Lehmann <pcg@goof.com>
55 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
56 when -Os is specified.
57 * toplev.c (main): Don't disable flag_inline_functions anymore when
60 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
63 * flags.h (flag_regmove): Declare.
64 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
65 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
66 Moved into regmove; changed caller.
67 * toplev.c (rest_of_compilation): Call regmove_optimize also for
68 expensive_optimizations.
70 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
72 * version.c: Bump for snapshot.
74 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
75 Undo this change (the problem was actually in reload):
76 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
78 * sh.md (movqi_i+1): New peephole.
80 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
82 * jump.c (jump_optimize): Lose calls to modified_in_p they are
83 not needed anymore due to changes elsewhere in jump.c.
85 * jump.c (jump_optimize): Fix first arg to modified_in_p in
88 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
90 * expr.c (expand_builtin_setjmp): Accept two new arguments for
91 the labels to branch to on first and subsequent executions. Don't
92 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
93 and provide it with the jmp_buf. Use only one of
94 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
95 and provide the former with the target label.
96 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
97 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
98 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
99 insn to replace all of the normal nonlocal_goto code. Don't play
100 with __dummy. Correct arguments to nonlocal_goto.
101 * expr.h (expand_builtin_setjmp): Update prototype.
102 * except.c (start_dynamic_handler): When using builtin_setjmp,
103 generate more accurate flow information.
105 * alpha.md (nonlocal_goto_receiver_osf): Delete.
106 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
107 (builtin_longjmp, builtin_setjmp_receiver): New.
108 * sparc.md (update_return): Disambiguate unspec number.
109 (nonlocal_goto): Rearrange arguments to match caller in except.c.
110 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
112 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
113 (builtin_setjmp_setup*, builtin_longjmp): New.
115 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
117 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
119 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
121 * vmsconfig.com: Remove bytecode references.
123 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
125 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
126 -fno-sjlj-exceptions works for a target that defines
127 DWARF2_UNWIND_INFO as zero.
129 * regmove.c (fixup_match_1): Undo last change which removed some
130 "useless" code, and add a comment explaining this.
132 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
134 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
137 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
139 * makefile.vms: Remove bytecode references.
142 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
144 * jump.c (jump_optimize): Allow conditional loading of floating point
145 constants and constants from memory. Reinstalled modified_in_p tests.
147 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
149 * loop.c (get_condition): Handle sign-extended constants.
151 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
153 * expr.c (emit_push_insn): Add code to use movstrti if present.
155 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
156 and movstrqi as in emit_block_move ().
158 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
160 * config/m68k/x-next: Remove /NextDeveloper/Headers from
161 the directories to fixinclude - /usr/include is a link
162 to it and hence its contents are fixed by default.
164 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
166 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
168 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
170 * cccp.c (main): Predefine __VMS_VER on VMS.
172 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
174 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
175 * fold-const.c (size_int): Replace with
177 (make_bit_field_ref): Use bitsize_int for bit position.
178 * stor-layout.c (sizetype): Delete.
179 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
180 (layout_record, layout_union, layout_type):
181 Use bitsize_int for bit size.
182 (set_sizetype): New function.
183 (make_signed_type, make_unsigned_type): Use it.
184 * c-decl.c (init_decl_processing): Likewise.
185 * tree.h (size_int): Don't delcare, #define.
186 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
187 (set_sizetype): Declare.
188 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
190 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
191 Convert result to sizetype.
192 (really_start_incremental_init, push_init_level):
193 Set type of constructor_bit_index to sbitsizetype.
194 (push_init_level): Use unsigned arithmetic to determine padding.
195 (output_init_element): Likewise.
197 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
199 * combine.c (simplify_shift_const): Fix typo in last change.
201 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
203 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
204 is (truncate (lshiftrt)).
206 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
208 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
209 Make sure result winds up in TGT.
210 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
211 src to be other than DImode.
212 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
213 (alpha_expand_unaligned_store_words): Likewise.
214 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
215 that source and destination are separately optimized for alignment.
216 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
218 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
220 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
221 with handling of -32768.
223 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
225 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
226 shell variable argument instead of only hard coded functions.
227 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
229 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
230 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
231 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
232 declarations for bcopy, bcmp and bzero.
234 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
236 * gansidecl.h: If we have bcopy but don't declare it, then do so.
237 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
238 bzero, index and rindex if they aren't already present.
240 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
242 * toplev.c (close_dump_file): Wrap function prototype for
243 argument "func" in PROTO.
244 (dump_rtl): Likewise.
246 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
248 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
250 (output_function_epilogue): Omit epilogue if nothing drops through.
251 (output_move_double): Supress int ldd usage on ultrasparc and v9.
252 (registers_ok_for_ldd_peep): Likewise.
253 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
254 (ultrasparc_adjust_cost): New function.
255 (sparc_issue_rate): New function.
256 * sparc.h (MASK_VIS, TARGET_VIS): New
257 (MASK_V8PLUS, TARGET_V8PLUS): New.
258 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
259 (TARGET_SWITCHES): Add vis and v8plus.
260 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
261 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
262 (RTX_COSTS): Use TARGET_HARD_MUL
263 (ADJUST_COST): Call ultrasparc_adjust_cost.
265 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
266 of load & fp appropritely.
267 (supersparc function units): Adjust for Haifa.
268 (ultrasparc function units): Likewise.
269 (get_pc_via_rdpc): All v9, not just arch64.
270 (movdi_v8plus, movdi_v8plus+1): New.
271 (adddi3_sp32+1): New.
272 (subdi3_sp32+1): New.
273 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
274 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
275 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
276 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
277 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
278 (ldd peepholes): Suppress for v9.
279 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
280 (return_subsi): Revmove.
282 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
284 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
285 save/restore MEM rtl.
287 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
289 * configure.in: Check for declaration of abort.
290 * acconfig.h: Corresponding changes.
291 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
294 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
296 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
299 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
301 * version.c: Bump for snapshot.
303 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
305 * configure.in: Check for atoq and atoll.
306 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
307 proper routine for converting ascii into long long values.
309 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
311 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
313 * vmsconfig.com: Remove bytecode references.
315 * alpha/vms.h (PREFIX): Define.
317 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
319 * am-alpha.h: Don't include alloca for OPEN_VMS.
321 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
323 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
324 (GCC_INCLUDE_DIR): Define
326 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
327 * makefile.vms: New file.
329 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
331 * alpha.c (output_prolog): Output '.name' directive
332 for minimal traceback information.
334 * alpha.c (output_prolog): Don't prepend entry point symbols
335 with '$' on OPEN_VMS.
337 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
338 Jeffrey A Law (law@cygnus.com)
340 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
343 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
345 * genemit.c (gen_exp): Likewise.
346 * genpeep.c (match_rtx): Likewise.
347 * genrecog.c (write_tree_1): Likewise.
349 * c-lex.c (yyprint): Use proper format string based upon
350 disposition of HOST_BITS_PER_WIDE_INT.
351 (yylex): Put casts in right place for args to build_int_2.
353 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
355 * combine.c: Fix typos in Jan27 changes.
357 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
359 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
360 (LINK_SPEC): Likewise.
361 (STARTFILE_SPEC): Likewise.
363 1998-01-28 Mike Stump <mrs@wrs.com>
365 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
367 * genattrtab.c (reload_completed): Define.
369 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
372 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
374 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
375 SUBREG_REG if the word count is unchanged, also in the input reload
376 case. Disable non-applicable sanity checks.
378 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
380 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
382 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
384 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
386 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
388 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
389 is a TREE_VEC before trying to use it for baseclasses.
390 (Chill uses the same field for a different purpose.)
392 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
394 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
396 * config.sub: More accurate determination of HP processor types.
398 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
400 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
401 prototype for `handle_sysv_pragma', and make it static. Add
402 parentheses around assignment used as truth value.
404 * combine.c (combine_instructions): Protect variable `prev' with
406 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
407 (extract_left_shift): Add parentheses around operand of &.
408 (merge_outer_ops): Avoid an empty body in an else-statement.
409 (gen_rtx_combine): Remove unused variable `i'.
411 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
412 function monstartup `void'. Likewise for internal_mcount. Add
413 `static void' prototype for moncontrol. Reconcile sprintf format
416 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
417 Make return type of function_arg_slotno explicitly `int'.
418 (reg_unused_after): Add parentheses around assignment used as
420 (save_regs): Add explicit braces to avoid ambiguous `else'.
421 (function_arg_slotno): Add parentheses around && within ||.
422 (function_arg_pass_by_reference): Likewise.
423 (sparc_flat_output_function_prologue): Reconcile fprintf format
426 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
427 assignment used as truth value.
429 * cplus-dem.c: Include <stdlib.h>.
430 (demangle_signature): Avoid an empty body in an else-statement.
431 (do_type): Remove unused variable `lvl'.
433 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
434 Include <string.h>/<strings.h>.
435 (cpp_lex): Remove unused variable `namelen'.
436 (cpp_lex): Explicitly declare `num_chars' as an int.
438 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
439 <unistd.h> instead. Explicitly declare is_system_include
441 (make_assertion): Remove unused variable `kt'.
442 (cpp_expand_to_buffer): Hide variable `obuf'.
443 (output_line_command): Remove unused variables, `line_end',
444 `line_cmd_buf' and `len'.
445 (macarg): Remove unused variable `arg_start'.
446 (special_symbol): Remove unused variable `i'. Add parentheses
447 around assignment used as truth value.
448 (do_include): Remove unused variables `pcfname' and `retried',
449 hide `pcf' and `pcfbuflimit'.
450 (do_line): Remove unused variable `i'.
451 (finclude): Hide variable `missing_newline'.
452 (cpp_handle_options): Remove unused variable `j'.
453 (read_token_list): Remove unused variable `eofp'.
454 (cpp_error_with_line): Remove unused variable `i'.
455 (cpp_warning_with_line): Likewise.
456 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
457 (cpp_error_from_errno): Remove unused variable `i'.
459 * cse.c (invalidate): Add parentheses around assignment used as
461 (find_best_addr): Move declaration of variable `our_cost' inside
462 the conditional macro where its used.
463 (fold_rtx): Avoid an empty body in an if-statement.
464 (cse_insn): Wrap variables `this_insn_cc0_mode' and
465 `this_insn_cc0' in macro HAVE_cc0.
467 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
468 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
469 (output_uleb128): Likewise.
470 (output_sleb128): Likewise.
471 (output_cfi): Likewise.
472 (output_call_frame_info): Remove unused variables `j', `fde_size'
474 (comp_unit_has_inlines): Hide declaration as per rest of file.
475 (size_of_line_prolog): Correct typo in prototype.
476 (add_arange): Likewise.
477 (output_aranges): Likewise.
478 (add_name_and_src_coords_attributes): Likewise.
479 (gen_array_type_die): Likewise.
480 (gen_inlined_subroutine_die): Likewise.
481 (equate_decl_number_to_die): Remove unused variable `i'.
482 (print_die): Reconcile format vs. args in fprintf's.
483 (print_dwarf_line_table): Likewise.
484 (output_die): Likewise.
485 (output_line_info): Likewise.
486 (add_subscript_info): Avoid an empty body in an else-statement.
487 (gen_subprogram_die): Remove unused variable `fp_loc'.
489 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
490 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
491 macro. Protect `src_coords_attribute' prototype with
492 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
493 prototype as in the rest of the file. Likewise for
494 `output_pointer_type_die' and `output_reference_type_die'. Remove
495 prototype for `type_of_for_scope'.
496 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
497 (type_attribute): Add explicit braces to avoid ambiguous `else'.
499 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
500 (shorten_branches): Protect declaration of tmp_length with
501 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
502 (profile_function): Protect declaration of `sval' and `cxt'
503 variables with appropriate macros.
504 (final_scan_insn): Likewise for `note' variable. Add explicit
505 braces to avoid empty body in an if-statement.
506 (output_asm_insn): Move variable `i' inside macro conditional
507 where it is used. Add parentheses around assignment used as truth
509 (asm_fprintf) Likewise, likewise.
511 * fix-header.c (main): Remove unused variable `done'. Protect
512 declaration of `i' with FIXPROTO_IGNORE_LIST.
514 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
516 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
519 * profile.c: Include <string.h>/<strings.h>.
520 (instrument_arcs): Remove unused variables `note', `inverted',
521 `zero' and `neg_one'.
522 (branch_prob): Avoid empty body in an if-statement.
524 * regclass.c: Include <stdlib.h>.
525 (reg_alternate_class): Explicitly declare parameter `regno'.
527 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
528 parentheses around assignment used as truth value.
529 (find_matches): Remove unused variables `output_operand' and
531 (fixup_match_1): Remove statement with no effect: "if (0) ;".
533 * scan.c (sstring_append): Explicitly declare `count' as int.
534 (scan_string): Explicitly declare parameter `init' as int.
536 * sched.c: Include <stdlib.h>.
537 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
538 (rank_for_schedule): Add parentheses around assignment used as
540 (schedule_block): Likewise.
541 (regno_use_in): Likewise.
542 (schedule_insns): Remove unused variable `i'.
544 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
545 (v_message_with_decl): Remove unused variable `n'.
546 (botch): Explicitly declare parameter `s' as char *.
547 (main): Add parentheses around assignment used as truth value.
549 * tree.c (make_node): Protect the variable `kind' with the
550 GATHER_STATISTICS macro.
551 (real_value_from_int_cst): Move variable `e' inside conditional
552 macro area where it is used.
553 (tree_last): Add parentheses around assignment used as truth value.
554 (build1): Protect the variable `kind' with the GATHER_STATISTICS
556 (print_obstack_statistics): Reconcile format vs. args in fprintf.
557 Protect variables `i', `total_nodes', and `total_bytes' with the
558 GATHER_STATISTICS macro.
560 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
562 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
563 some comments regarding use of dead_or_set_p.
565 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
567 * fixincludes: Tweak fix for struct exception in math.h
569 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
571 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
572 Change mode of registers used to add/sub from
573 hard_frame_pointer_rtx from word_mode to Pmode.
575 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
577 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
578 asm_output_aligned_bss() instead of asm_output_bss().
580 * toplev.c (rest_of_compilation): Replace references to
581 stack_reg_dump_file and dbr_sched_dump_file with references to
584 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
586 * tlink.c (scan_linker_output): Call fclose() for opened files.
588 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
590 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
591 compiling with -fpic -- we want to be able to override symbols
593 (alpha_expand_block_move): Fix thinko in last change.
595 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
596 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
597 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
599 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
601 * alpha.md (abssf, absdf): Revert last change.
603 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
605 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
606 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
608 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
610 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
611 a CONST_INT into SFmode.
613 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
615 * flags.h: New flag (optimize_size).
616 * toplev.c (main): Parse -Os option and set optimize_space
618 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
619 __OPTIMIZE_SIZE__ when compiling with -Os.
620 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
621 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
622 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
624 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
626 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
628 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
629 stuff only if MCT_TEXT is #define'd.
631 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
633 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
636 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
638 * toplev.c: Add -dM command line option to dump RTL after the
639 machine dependent reorganisation pass, if there is one.
640 Reorganise RTL dump code, so that only one file handle is
643 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
645 * except.c (check_exception_handler_labels): Disable warning when
648 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
650 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
652 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
654 * c-decl.c (grokdeclarator): Get parameter tags from
655 last_function_parm_tags.
656 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
657 traversing the parameter types.
658 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
660 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
662 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
664 (get_shift_alg): Fix typo.
666 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
668 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
670 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
672 * toplev.c (get_run_time): Make sure each case gets its variables.
674 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
676 * configure.in (build_xm_file): Add auto-config.h if host=build.
677 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
678 (build_xm_file_list): Likewise.
679 * configure: Rebuild.
681 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
683 * recog.c (validate_replace_rtx_1): Only perform substitutions
684 of arguments to commutative and comparison operators once.
686 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * sparc.c (output_cbranch): Add default case in
691 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
692 (emit_delay_sequence): Eliminate unused parameter, all callers
694 (fill_simple_delay_slots): Likewise.
695 (fill_slots_from_thread): Likewise.
696 (fill_eager_delay_slots): Likewise.
697 (mark_referenced_resources): Add default case in enumeration switch.
698 (mark_set_resources): Likewise.
699 (rare_destination): Likewise.
700 (mostly_true_jump): Likewise.
701 (find_dead_or_set_registers): Likewise.
702 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
703 (update_reg_unused_notes): Remove unused variable `p'.
704 (mark_target_live_regs): Remove unused variables `next' and
706 (fill_simple_delay_slots): Remove unused variable `j'.
707 (fill_slots_from_thread): Add parentheses around assignment used
709 (dbr_schedule): Likewise.
711 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
712 (objc.stage2, objc.stage3, objc.stage4): Likewise.
714 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
716 * cse.c (simplify_ternary_operation): Don't try to simplify
717 IF_THEN_ELSE expressions (created by combine) that don't use
718 relational operators.
720 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
722 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
725 * crtstuff.c (init_dummy): Keep the epilogue in the init
726 section for non-ELF systems.
728 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
730 * sh.md (movqi_i+1): New peephole.
732 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
734 * Makefile.in: Remove remaining bytecode stuff.
735 * emit-rtl.c, expr.c: Likewise.
737 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
739 * toplev.c (lang_options): Add unknown-pragma options.
741 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
743 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
744 special (and incomplete) handling for Chill arrays.
746 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
748 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
751 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
753 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
755 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
757 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
758 .frame directive instead of FRAME_POINTER_REGNUM.
760 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
762 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
763 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
764 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
765 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
766 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
767 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
768 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
769 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
771 * longlong.h: Replace __mc68332__ with __mcpu32__.
773 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
775 * version.c: Bump for snapshot.
777 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
779 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
780 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
781 * reload1.c (eliminate_regs): Likewise.
783 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
785 * regmove.c (find_matches): Initialize matches->earlyclobber too.
787 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
789 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
790 (negsf2, negdf2): Use proper subtract in IEEE mode.
792 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
794 * Makefile.in: Remove more bytecode stuff.
795 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
796 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
797 * f/install.texi, objc/Make-lang.in: Likewise.
799 * Makefile.in: Remove all bytecode support.
800 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
801 * emit-rtl.c: Remove all bytecode support.
802 * expr.c, expr.h function.c, integrate.c: Likewise.
803 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
804 * tree.h, varasm.c: Likewise.
805 * config/m68k/m68k.h: Likewise.
806 * bi-*, bc-*, bytecode*: Delete bytecode related files.
807 * modemap.def: Likewise.
809 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
811 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
812 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
814 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
816 * i386.md (push): Prohibit symbolic constants if flag_pic.
817 (movsi+1): Likewise for move to non-register.
819 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
821 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
822 (print_operand): Handle 0xffffffff on 32 bit host.
824 * configure.in (thread_file): Rename uses before main loop to
825 target_thread_file. Initialize to empty in main loop. Set thread_file
826 to target_thread_file after main loop if not set.
827 * configure: Rebuild.
829 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
830 (add_values_to_cover): Revert last change (which had no ChangeLog
832 (simplify_with_current_value_aux): Handle CONST_INT.
834 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
836 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
838 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
840 * configure.in: Add cpp stringify test.
841 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
842 * gengenrtl.c: Use it.
843 * configure, config.in: Rebuild.
845 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
847 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
849 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
851 * configure.in: Find declaration for sbrk.
852 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
853 * config.in, configure: Rebuild.
854 * mips-tfile.c: Properly protect declaration of sbrk and free.
855 * toplev.c: Properly protect declaration of sbrk.
857 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
859 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
861 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
863 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
865 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
867 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
869 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
871 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
872 constant offset computations from objects with known alignment in
873 the presence of STACK_BIAS.
875 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
877 (const_hash): Hash val is unsigned long.
880 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
882 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
883 char pointer, not HOST_WIDE_INT.
884 (print_node): Likewise. Also hash is unsigned long not
887 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
889 * explow.c (optimize_save_area_alloca): New function for targets
890 where SETJMP_VIA_SAVE_AREA is true.
891 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
892 compute the amount of stack space needed should we find later that
893 setjmp is never called by this function, stuff rtl for this inside
894 a REG_NOTE of the final SET of stack_pointer_rtx.
895 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
896 current_function_calls_alloca, call optimize_save_area_alloca.
898 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
900 * i386.md: Remove redundant integer push patterns.
901 Don't bother checking for TARGET_PUSH_MEMORY when
902 pushing constants or registers.
904 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
905 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
907 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
908 (pwait): New function for mingw32.
910 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
911 pipe support is broken for now.
913 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
915 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
916 between frame_pointer_rtx, hard_frame_pointer_rtx, and
917 arg_pointer_rtx is respected in initialization.
918 (init_emit_once): Use gen_rtx_raw_REG() to create
919 return_address_pointer_rtx.
921 * reorg.c: #include "expr.h" for rtx prototypes.
922 * Makefile.in (reorg.o): Depend on expr.h
924 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
926 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
927 local_prefix to sub-make invocations.
929 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
931 * objc-parse.c: Recognize protocol qualifiers in class definitions.
933 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
937 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
938 * configure.in: Check for atol.
939 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
941 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
943 * loop.c (find_and_verify_loops): When attempting to move insns from
944 inside the loop outside the loop, create a BARRIER if no suitable
947 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
948 favor of an equivalent change from gcc-2.8.
950 * i386/x-sco5 (CC): Remove trailing whitespace.
952 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
955 (accessor_from_format): Likewise.
956 (xmalloc): New function for use when linking with alloca.o.
958 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
960 * frame.c (find_fde): Correct FDE's upper bound.
962 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
964 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
966 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
968 * calls.c (expand_call): Move #ifdef code out of macro argument
970 (emit_library_call, emit_library_call_value): Likewise.
972 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
974 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
976 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
978 * version.c: Bump for snapshot.
980 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
982 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
983 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
984 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
985 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
986 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
987 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
988 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
989 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
990 * unroll.c, varasm.c: Likewise.
991 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
993 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
995 * mips.h: Fix some type-o's from a previous change.
997 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
999 * loop.c (check_dbra_loop): Make sure initial value is a
1000 CONST_INT before trying to normalize it.
1002 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1004 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1006 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1008 * cppexp.c: Include gansidecl.h
1010 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1012 * svr4.h (LINK_SPEC): Never specify -h.
1013 * ptx4.h (LINK_SPEC): Likewise.
1014 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1015 * sparc/sol2.h (LINK_SPEC): Likewise.
1017 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1019 * c-typeck.c (comptypes): Exit early on NULL input.
1021 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1022 dependencies after reload.
1024 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1026 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1028 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1030 * alpha/vms.h (DIR_SEPARATOR): define
1032 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1034 * Makefile.in (stamp-proto): Remove.
1035 (protoize.o, unprotoize.o): Straightforward compile.
1036 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1038 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1040 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1041 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1043 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1045 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1046 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1047 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1049 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1051 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1053 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1055 * configure.in (target_cpu_default, target_cpu_default2): Use double
1056 quotes around them when testing their value.
1057 * configure: Rebuilt.
1059 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1061 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1063 (gendef): Call obstack_alloc_rtx.
1065 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1067 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1070 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1072 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1073 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1074 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1076 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1078 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1080 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1082 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1085 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1087 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1088 suffix from operand 3.
1090 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1091 Jeffrey A Law (law@cygnus.com)
1093 * regmove.c: New implementation of regmove pass.
1094 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1095 decls, make them have external linkage. Return a value from
1096 optimize_reg_copy_1.
1097 * reload.h (count_occurrences): Add decl.
1098 * reload1.c (count_occurrences): Delete decl, make it have external
1100 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1102 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1104 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1105 if it is not defined.
1107 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1109 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1110 * emit-rtl.c (gen_rtx): Move special code to ...
1111 (gen_rtx_CONST_INT): New function.
1112 (gen_rtx_REG): New function.
1113 (*): Update all calls to gen_rtx.
1114 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1115 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1116 (GEN_INT): Call gen_rtx_CONST_INT.
1117 * gengenrtl.c: New file.
1119 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1121 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1122 (base_alias_check): If no base found for address call canon_rtx and
1125 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1127 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1128 arguments for mips16.
1129 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1130 Don't lose if tsize is zero after handling large stack for mips16.
1131 * mips.md (return): For trivial return, return address is in $31.
1133 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1135 * mips/mips16.S: Various changes to make it work with -msingle-float
1138 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1139 Ian Lance Taylor <ian@cygnus.com>
1140 Jeff Law <law@cygnus.com>
1142 * mips.c, mips.h, mips.md: First cut at merging in mips16
1143 support. Major modifications throughout all three files.
1145 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1147 * configure.in: Make gthr-default.h a forwarding header instead of
1150 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1152 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1154 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1156 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1157 Jeffrey A Law (law@cygnus.com)
1159 * crtstuff.c (__frame_dummy): New function for irix6.
1160 (__do_global_ctors): Call __frame_dummy for irix6.
1161 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1163 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1165 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1167 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1169 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1170 for __builtin_memset.
1171 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1172 not INTEGER_CST. Assert arg 3 is a constant.
1174 * alpha.c (mode_width_operand): Accept 64-bit modes.
1175 (mode_mask_operand): Likewise.
1176 (print_operand): Likewise for 'M' and 'U' codes.
1177 (alpha_expand_unaligned_load): New function.
1178 (alpha_expand_unaligned_store): Likewise.
1179 (alpha_expand_unaligned_load_words): Likewise.
1180 (alpha_expand_unaligned_store_words): Likewise.
1181 (alpha_expand_block_move): Likewise.
1182 (alpha_expand_block_clear): Likewise.
1183 * alpha.h (MOVE_RATIO): New define.
1184 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1185 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1187 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1188 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1190 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1192 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1193 * configure: Update.
1195 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1197 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1198 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1200 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1203 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1205 * configure.in: Set and subsitute host_exeext. Use it when creating
1206 the assembler and linker symlinks.
1207 * configure: Rebuild.
1208 * Makefile.in (exeext): Set to @host_exeext@.
1209 (build_exeext): New variable, set to @build_exeext@.
1210 (FLAGS_TO_PASS): Pass down build_exeext.
1211 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1214 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1216 * mn10200.md (addsi3, subsi3): Fix thinkos.
1218 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1220 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1221 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1222 unix always, since we want to be able to thunk to functions in a
1223 shared library from an application.
1225 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1227 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1228 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1230 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1232 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1233 offset's mode is not ptr_mode, convert it.
1235 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1237 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1238 compiling if it was already defined.
1240 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1242 * flow.c (find_basic_blocks): Don't create a new basic block
1243 for calls in a LIBCALL block.
1245 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1247 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1249 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1251 * cse.c (rtx_cost): Remove conflicting default case.
1253 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1255 * configure.in: Move default enabling of Haifa out of for loop.
1256 * configure: Rebuild.
1258 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1260 * version.c: Bump for snapshot.
1262 1997-12-25 Teemu Torma <tot@trema.com>
1264 * Makefile.in (GTHREAD_FLAGS): New var.
1265 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1266 (distclean): Remove gthr-default.h.
1268 * configure.in: Accept dce as a thread package.
1269 Check for thread.h and pthread.h.
1270 Link gthr-default.h to appropriate thread file and set
1272 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1273 include multilib definitions from pa/t-dce-thr.
1274 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1275 pthread.h is found, preferring posix threads over solaris ones.
1277 * config/pa/t-dce-thr: New file.
1278 * config/pa/t-pa: Removed multilibs.
1279 * config/sparc/t-sol2: Ditto.
1282 * gthr-single.h: New file.
1283 * gthr-posix.h: New file.
1284 * gthr-solaris.h: New file.
1285 * gthr-dce.h: New file.
1286 * libgcc-thr.h: Removed.
1287 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1289 * frame.c: Include gthr.h instead of libgcc-thr.h.
1290 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1291 (eh_context_initialize): If __gthread_once fails, use static eh
1293 (eh_context_free): Call __gthread_key_dtor.
1295 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1297 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1299 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1301 * cse.c (max_insn_uid): New variable.
1302 (cse_around_loop): Use max_insn_uid.
1303 (cse_main): Set max_insn_uid.
1305 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1306 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1307 -mlong64, and -mgp{32,64} options.
1308 * mips.c (mips_abi): Change type to int.
1309 * mips.h (enum mips_abi_type): Delete.
1310 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1311 (mips_abi): Change type to int.
1313 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1315 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1316 optimization is now always enabled.
1318 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1321 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1323 (*_dependence): Call canon_rtx before base_alias_check.
1324 (init_alias_once): New function to precompute set of registers which
1325 can hold Pmode function arguments.
1327 * rtl.h: Declare init_alias_once.
1329 * toplev.c (compile_file): Call init_alias_once.
1331 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1333 * tree.c (restore_tree_status): Do not dereference a null pointer.
1335 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1337 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1338 RLIMIT_STACK. This maintains consistency with the recent, similar
1339 patch to cccp.c and toplev.c.
1341 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1343 * genattrtab.c (expand_units): For large nr opclasses, expand
1344 function_units_used with ORX to prevent blowups. Tag with FFS.
1345 (num_unit_opclasses): New variable.
1346 (gen_unit): Update it.
1347 (enum operator): Add ORX_OP.
1348 (operate_exp): Treat ORX as or, except don't expand across an if.
1349 Reuse number rtx's after operating on them.
1350 (check_attr_value): Accept IOR, AND, & FFS.
1351 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1352 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1353 (write_expr_attr_cache, write_toplevel_expr): New functions.
1354 (write_attr_get): Handle FFS-tagged expressions.
1355 (make_canonical): Don't expand const attributes.
1356 (convert_const_symbol_ref): Dike out.
1357 (evaluate_eq_attr): Handle SYMBOL_REF.
1358 (main): Don't emit get_attr_foo for const attributes.
1360 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1361 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1362 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1363 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1364 combining function units where possible.
1365 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1366 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1367 (attr "opsize"): New attribute.
1368 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1369 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1370 to control register allocation.
1371 (movsi2-1, movdi2-1): Likewise.
1373 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1375 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1376 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1377 Move OSF/1 specific defines out.
1378 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1379 Move Linux specific defines out.
1380 (LINK_SPEC): Genericize.
1381 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1382 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1383 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1384 (HANDLE_SYSV_PRAGMA): Define.
1385 * alpha/osf.h: New file.
1386 * alpha/linux.h: Split. Retain file-format independant defines.
1387 Import Linux bits from elf.h.
1388 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1389 (FUNCTION_PROFILER): _mcount takes its address in $28.
1390 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1391 * alpha/linux-ecoff.h: New file.
1392 * alpha/linux-elf.h: New file.
1393 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1394 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1395 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1396 Add new headers as appropriate.
1398 * configure.in (alpha*): Enable Haifa by default.
1399 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1400 * configure: Rebuild.
1402 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1404 * Makefile.in (clean): Remove the stages with their objects here ...
1405 (distclean): ... instead of here.
1407 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1409 * cse.c (rtx_cost): Add default case in enumeration switch.
1410 * fix-header.c (recognized_macro): Likewise.
1411 (recognized_extern): Likewise.
1412 (write_rbrac): Likewise.
1413 * objc/objc-act.c (encode_aggregate): Likewise.
1414 (gen_declarator): Likewise.
1415 (gen_declspecs): Likewise.
1417 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1419 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1420 case where we kill more regs after sched than were killed before
1422 * sched.c (create_reg_dead_note): Similarly.
1424 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1426 * c-pragma.c: Include flags.h.
1428 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1430 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1431 about system headers.
1432 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1433 and also to resolve symbols in prefix.c.
1435 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1436 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1437 when the definitions in auto-config.h is not visible.
1438 (HAVE_BZERO): Likewise.
1439 (HAVE_BCMP): Likewise.
1440 (HAVE_RINDEX): Likewise.
1441 (HAVE_INDEX): Likewise.
1443 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1445 * pa.c (emit_move_sequence): Handle a function label source
1448 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1450 * c-pragma.c (handle_pragma_token): Generate warning messages
1451 about unknown pragmas if warn_unknown_pragmas is set.
1453 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1454 line option to set variable: warn_unknown_pragmas.
1456 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1458 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1460 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1462 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1464 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1465 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1466 generate more fine grained floating point emulation libraries.
1467 * config/fp-bit.c: Add protecting #ifdef to all functions so
1468 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1469 then compile all suitable functions.
1470 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1471 underscores to avoid namespace pollution.
1472 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1474 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1478 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1479 Jeff Law <law@cygnus.com>
1481 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1483 * c-decl.c (finish_decl): Use parentheses around && within ||.
1484 * rtl.c: Include stdlib.h.
1485 (read_skip_spaces): Add parentheses around assignments used as
1487 (read_rtx): Initialize list_rtx.
1488 * cppexp.c (parse_number): Use || when operands are truth values.
1489 * alias.c (find_base_value): Add default case.
1490 (memrefs_conflict): Likewise.
1491 * combine.c (sets_function_arg_p): Likewise.
1492 * genemit.c (gen_exp): Likewise.
1493 * local-alloc.c (contains_replace_regs): Likewise.
1494 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1495 * fold-const.c (fold_convert): Use "&&" for truth values.
1496 (fold): Add default case.
1497 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1498 (sdbout_one_type): Add default case.
1499 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1500 (some_operand): Add default case.
1501 (input_operand): Likewise.
1502 (signed_comparison_operator): Likewise.
1503 (divmod_operator): Likewise.
1504 (alpha_set_memflags_1): Likewise.
1505 * reload1.c (reload_cse_simplify_operands): Ensure function
1506 always returns a value.
1507 * scan-decls.c (scan_decls): Likewise.
1508 * c-lex.c (skip_white_space): Fix typo in declaraion.
1509 * c-typeck.c (comp_target_types): Add parentheses around assignment
1510 used as truth value.
1511 (print_spelling): Likewise.
1512 (constructor_implicit, constructor_result): Remove unused variables.
1513 * collect2.c (scan_library): Protect prototype with
1514 #ifdef SCAN_LIBRARIES.
1515 * emit-rtl.c (find_line_note): Fix typo in declaration.
1516 * final.c (asm_insn_count): Protect prototype with
1517 #ifdef HAVE_ATTR_length.
1518 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1519 (try_pre_increment_1, try_pre_increment): Likewise.
1520 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1521 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1522 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1523 unsigned/signed comparisons.
1524 * gcov.c (read_files): Remove unused "first_type" variable.
1525 (scan _for_source_files): Initialize s_ptr.
1526 (function_summary): Eliminate "%lf" formatting, use %ld for
1528 (output_data): Initialize branch_probs and last_line_num.
1529 Eliminate "%lf" formatting, use "%ld" for longs.
1531 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1533 * mips16.S: New file.
1535 * libgcc2.c (varargs): Handle mips16.
1537 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1539 * stmt.c (expand_end_case): Likewise.
1540 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1541 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1542 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1544 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1546 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1547 the build directory.
1548 (libobjc.a): Update dependency list.
1549 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1551 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1552 (objc.mostlyclean): Remove runtime-info.h.
1554 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1556 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1557 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1558 * dwarf2out.c (add_subscript_info): Likewise.
1559 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1560 * sdbout.c (plain_type_1): Likewise.
1561 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1563 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1566 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1568 * mips.c (fatal): Remove declaration.
1570 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1572 * integrate.c (get_label_from_map): New function.
1573 (expand_inline_function): Use it. Initialize the label_map to
1574 NULL_RTX instead of gen_label_rtx.
1575 (copy_rtx_and_substitute): Use get_label_from_map.
1576 * integrate.h (get_label_from_map): New function.
1577 (set_label_from_map): New macro.
1578 * unroll.c (unroll_loop): Use them.
1579 (copy_loop_body): Ditto.
1581 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1583 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1584 (INIT_TARGET_OPTABS): Define.
1585 * mips/ecoff.h: Include gofast.h before mips.h.
1586 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1587 * mips/elf64.h: Likewise.
1588 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1590 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1592 * except.c: Remove register_exception_table{,_p}.
1594 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1596 * unroll.c (calculate_giv_inc): Handle constant increment found in
1597 a MEM with an appropriate REG_EQUAL note.
1599 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1601 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1602 frame pointer in the prologue.
1604 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1606 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1607 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1609 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1611 * config/m68k/m68k.c (output_function_prologue): Typecast
1612 dwarf2out_cfi_label to (char *).
1613 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1615 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1617 * sparc.md (jump): Don't use the annul bit around an empty loop.
1618 Patch from Kevin.Kelly@East.Sun.COM.
1620 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1622 * jump.c: (jump_optimize): Don't use the return register as a
1623 source1 of a conditional move.
1625 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1627 * sparc.c (DF_MODES): Or the mask not the bit number.
1628 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1630 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1632 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1634 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1636 * fixincludes (size_t): Add support for Motorola's stdlib.h
1637 which fails to provide a definition for size_t.
1638 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1639 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1640 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1642 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1643 prevent unresolved externals in libio.
1644 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1646 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1648 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1649 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1650 (LIB_SPEC): Updated for glibc 2.
1652 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1654 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1655 * ginclude/varargs.h: Likewise.
1657 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1659 * version.c: Bump for snapshot.
1661 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1663 * frame.h (__register_frame, __register_frame_table,
1664 __deregister_frame): New.
1665 * frame.c (__register_frame, __register_frame_table,
1666 __deregister_frame): New.
1667 * frame.c (__deregister_frame_info): Return void *.
1668 * frame.h (__deregister_frame_info): Ditto.
1669 * collect2.c (__deregister_frame_info): Ditto.
1671 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1673 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1675 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1677 * alpha.c (alpha_cpu_name): New variable.
1678 (alpha_mlat_string): Likewise.
1679 (alpha_memory_latency): Likewise.
1680 (override_options): Handle -mmemory-latency.
1681 (alpha_adjust_cost): Adjust load cost for latency.
1682 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1683 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1684 TARGET_CIX into account.
1685 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1686 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1688 * alpha.h (ASM_COMMENT_START): New macro.
1690 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1692 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1693 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1695 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1696 SUBREG_REG if the word count is unchanged.
1697 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1698 subregs of identical word size for push_reload.
1700 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1702 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1703 if all we're doing is dealing with -Wreturn-type.
1705 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1707 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1708 Use and 255 instead of zapnot 1, since it schedules better.
1710 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1712 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1715 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1717 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1718 dependency we delete. Properly update prev for multiple consecutive
1720 (priority): Skip deleted dependence.
1722 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1724 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1726 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1728 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1729 determining when a new basic block starts.
1731 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1733 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1734 * pa.md (iorsi3): Add missing args to *_operand calls.
1736 * except.c (call_get_eh_context): Don't mess with sequences.
1737 (emit_eh_context): Include the call in the sequence here.
1739 1997-12-11 Paul Eggert <eggert@twinsun.com>
1741 * collect2.c (write_c_file_glob): Allocate initial frame object
1742 in static storage and pass its address.
1744 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1746 * except.c (call_get_eh_context): Don't take a parm.
1747 Put the call at the top of the function.
1748 (emit_eh_context): Adjust.
1749 (get_eh_context): Replace with former use_eh_context.
1750 (get_eh_context_once, get_saved_pc_ref): Remove.
1751 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1753 * integrate.c (expand_inline_function): Adjust.
1754 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1756 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1758 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1759 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1761 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1763 * fixincludes (strlen,strspn,strcspn return value): Handle different
1765 (hypot): Provide a fake for hypot which is broken on
1766 m88k-motorola-sysv3.
1768 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1770 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1771 tree_code_name from pointers to arrays.
1772 * tree.c: Remove standard_tree_code_* variables, no longer used.
1773 * print-tree.c: Remove declaration of tree_code_name.
1775 * cp/lex.c (init_lex): Update for tree_code_* changes.
1776 * objc/objc-act.c (init_objc): Likewise.
1778 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1781 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1783 * config.sub: Add support for BeOS target.
1784 * configure.in: Likewise.
1785 * ginclude/stdarg.h: Likewise.
1786 * ginclude/stddef.h: Likewise.
1787 * ginclude/varargs.h: Likewise.
1788 * rs6000/beos.h: New file for BeOS.
1789 * rs6000/t-beos: Likewise.
1790 * rs6000/x-beos: Likewise.
1791 * rs6000/xm-beos.h: Likewise.
1792 * toplev.c (get_run_time): Just return 0 on BeOS.
1794 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1795 Toon Moene (toon@moene.indiv.nluug.nl)
1797 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1798 old and broken Sun3 assemblers. Newer versions handle large
1799 offsets correctly as does the GNU assembler.
1801 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1803 * objc/objc-act.c (lang_report_error_function): Disable.
1804 * objc/objc-parse.y: Include "output.h".
1805 (yyerror): Remove redundant decl.
1806 (yyprint): Fix prototype.
1807 (apply_args_register_offset): Remove redundant decl.
1808 (get_file_function_name): Likewise.
1810 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1812 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1814 (find_basic_blocks_1): Likewise.
1816 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1818 * except.c (use_eh_context): Don't copy_rtx a REG.
1819 (emit_throw): Lose old unwinder support.
1820 (expand_internal_throw): Likewise.
1821 * libgcc2.c (struct eh_context): Likewise.
1822 (new_eh_context): Likewise.
1823 (__get_eh_info): Lose redundant cast.
1824 (__get_dynamic_handler_chain): Likewise.
1825 (__get_saved_pc): Lose.
1826 Lose all old unwinder support code.
1828 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1830 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1832 * integrate.c (expand_inline_function): If the inline fn uses eh
1833 context, make sure that the current fn has one.
1834 * toplev.c (rest_of_compilation): Call emit_eh_context.
1835 * except.c (use_eh_context): New fn.
1836 (get_eh_context_once): New fn.
1837 (call_get_eh_context): New fn.
1838 (emit_eh_context): New fn.
1839 (get_eh_context): Call either get_eh_context_once or
1840 call_get_eh_context, depending on what we have.
1841 (get_dynamic_handler_chain): Call get_eh_context_once.
1842 * except.h: Prototypes for fns above.
1843 * optabs.c (get_eh_context_libfunc): Removed.
1844 (init_optabs): Don't initialize it.
1845 * expr.h (get_eh_context_libfunc): Removed.
1846 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1847 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1848 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1849 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1850 New multilib for -threads.
1851 * config/sparc/t-sol2: Added multilibs for -threads and
1852 made -pthreads alias to it.
1853 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1854 Added -threads and -pthreads options.
1855 * libgcc-thr.h: New file.
1856 * libgcc2.c: (__get_cpp_eh_context): Removed.
1857 (struct cpp_eh_context): Removed.
1858 (struct eh_context): Replaced cpp_eh_context with generic language
1860 (__get_eh_info): New function.
1861 (__throw): Check eh_context::info.
1863 * libgcc2.c: Include libgcc-thr.h.
1864 (new_eh_context, __get_eh_context,
1865 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1866 eh_context_specific, eh_context_free): New functions.
1867 (get_eh_context, eh_context_key): New variables.
1868 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1869 get_eh_context to get the context.
1870 (longjmp): Move the declaration inside
1871 #ifdef DONT_USE_BUILTIN_SETJMP.
1872 * frame.c: Include libgcc-thr.h.
1873 (object_mutex): Mutex to protect the object list.
1874 (find_fde, __register_frame, __register_frame_table,
1875 __deregister_frame): Hold the lock while accessing objects.
1876 * except.h (get_eh_context): Declare.
1877 * except.c (current_function_ehc): Define.
1878 (current_function_dhc, current_function_dcc): Removed.
1879 (get_eh_context): New function.
1880 (get_dynamic_handler_chain): Use get_eh_context.
1881 (get_saved_pc_ref): Ditto.
1882 (get_dynamic_cleanup_chain): Removed references to
1883 current_function_dcc.
1884 (save_eh_status, restore_eh_status): Save and restore
1885 current_function_ehc instead.
1886 * optabs.c (get_eh_context_libfunc): New variable.
1887 (init_optabs): Initialize it.
1888 * expr.h: Declare get_eh_context_libfunc.
1889 * function.h (struct function): Replaced dhc and dcc with ehc.
1890 * except.c (get_saved_pc_ref): New functions.
1891 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1892 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1894 (end_eh_unwinder): Likewise.
1895 (init_eh): Remove initialization of eh_saved_pc.
1896 * optabs.c (get_saved_pc_libfunc): New variable.
1897 (init_optabs): Initialize it.
1898 * expr.h: Declare get_saved_pc_libfunc.
1899 * except.h (eh_saved_pc_rtx): Deleted.
1900 (get_saved_pc_ref): Declared.
1902 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1903 * libgcc2.c (__get_saved_pc): New.
1904 (__eh_type, __eh_pc): Deleted.
1905 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1906 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1909 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1911 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1912 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1915 * rtl.h (global_rtl): New variable, replacing separate variables for
1917 (const_int_rtx): Now array of rtx_def, not rtx.
1918 * emit-rtl.c: Update for new rtl data structures.
1919 * genattrtab.c: Define global_rtl.
1921 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1923 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1926 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1928 * crtstuff.c (__do_global_ctors): Fix typo.
1930 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1932 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1933 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1935 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1937 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1938 * rs6000.c (function_arg_padding): New function.
1940 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1942 * m68k.c: Include tree.h only once.
1944 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1946 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1948 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1950 * Partially cleaned up prototyping code from HJ.
1951 * tree.h: Add many prototypes.
1952 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1953 All references changed.
1954 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1956 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1958 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1959 string functions like strlen.
1961 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1963 * configure.in: Check for functions getrlimit and setrlimit.
1964 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1965 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1967 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1969 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1971 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1973 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1976 * alpha.c (override_options): Don't know about scheduling for EV6.
1977 * alpha.md (ev5 function units): Don't overload as ev6.
1979 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1980 * alpha.md (define_attr type): Add mvi.
1981 (ev5_e0): Define sceduling parameters for it.
1982 (TARGET_MAX insns): Type is mvi not shift.
1984 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1986 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1988 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1990 * cstamp-h, auto-config.h: Delete.
1992 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1994 * version.c: Bump for snapshot.
1996 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1998 * cccp.c: Fix typo brought over in merge.
2000 * Merge in changes from gcc-2.8.
2002 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2004 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2006 * gcc.c (process_command): Do not take address of function fatal when
2007 calling lang_specific_driver.
2009 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2011 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2012 doesn't work with it yet, so set it to 0.
2013 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2015 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2017 * cse.c (cse_insn): Check for invalid entries when taking references.
2019 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2021 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2022 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2023 * toplev.c (rest_of_compilation): Pass it. Remove code to
2024 save / clear / restore flag_unroll_{,all_}loops.
2026 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2028 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2030 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2032 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2034 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2036 * except.c (get_dynamic_handler_chain): Only make the call once per
2039 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2041 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2043 * sh.c (final_prescan_insn): Use local label prefix
2044 when emitting .uses pseudo-ops.
2046 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2048 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2049 * except.c: Lose outer_context_label_stack.
2050 (expand_eh_region_end): Rethrow from outer_context here.
2051 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2052 (expand_internal_throw): Take no args.
2053 (expand_internal_throw_indirect): Lose.
2054 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2055 (expand_start_all_catch): Start a rethrow region.
2056 (expand_end_all_catch): End it.
2057 (expand_rethrow): New fn.
2058 * except.h: Reflect above changes.
2059 * flow.c: Revert change of Nov 27.
2061 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2063 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2065 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2067 * except.c (expand_fixup_region_end): New fn.
2068 (expand_fixup_region_start): Likewise.
2069 (expand_eh_region_start_tree): Store cleanup into finalization here.
2070 * stmt.c (expand_cleanups): Use them to protect fixups.
2072 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2074 * mips/mips.md (muldi3_r4000): Broaden the output template
2075 and attribute assignments to handle three operand dmult;
2076 rename to muldi3_internal2.
2077 (muldi3): Call the new muldi3_internal2 for R4000, and
2078 any GENERATE_MULT3 chip.
2080 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2082 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2084 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2086 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2087 with a dest_reg that was created by loop.
2089 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2091 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2093 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2095 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2097 * configure.in: Fix NCR entries.
2099 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2101 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2102 nested exceptions correctly.
2104 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2105 that was created by loop.
2107 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2109 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2111 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2113 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2115 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2116 (print_operand): Use SMALL_DATA_REG for the register involved in
2117 small data relocations.
2118 (print_operand_address): Ditto.
2120 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2121 -dynamic linker is not used.
2123 * rs6000.md (call insns): For local calls, use @local suffix under
2124 System V. Don't use @plt under Solaris.
2126 * rs6000.c (output_function_profiler): Put label address in r0, and
2127 store LR in 4(sp) for System V/eabi.
2129 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2130 byte boundary, and maintain stack backchain.
2132 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2134 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2135 fix_truncsfdi2): Change *.
2137 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2139 * toplev.c (main): Complain about -gdwarfn.
2141 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2143 * dwarfout.c (output_type): If finalizing, write out nested types
2144 of types we've already written.
2146 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2148 (patches originally from Geoffrey Keating)
2149 * rs6000.c (function_arg): Excess floating point arguments don't
2150 go into GPR registers after exhausting FP registers under the
2152 (function_arg_partial_nregs): Ditto.
2154 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2157 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2159 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2161 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2163 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2166 * libgcc2.c (__throw): Initialize HANDLER.
2168 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2170 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2171 fix_truncsfdi2): Change *X to ?*X.
2173 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2175 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2177 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2179 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2181 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2183 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2185 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2187 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2188 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2191 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2193 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2194 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2195 gas and not using the new HP assembler.
2197 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2199 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2200 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2202 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2204 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2205 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2208 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2210 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2212 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2214 * except.h: Add outer_context_label_stack.
2215 * except.c: Likewise.
2216 (expand_start_all_catch): Push the outer_context for the try block
2217 onto outer_context_label_stack.
2218 (expand_end_all_catch): Use it and pop it.
2220 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2222 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2224 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2226 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2228 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2230 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2231 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2233 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2235 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2236 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2237 __builtin_delete, and __builtin_vec_delete.
2239 * except.c (output_exception_table): Don't bother with
2242 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2244 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2245 is an in/out operand.
2246 (zero extended variants of stwm/stwm patterns): Similarly.
2248 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2250 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2252 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2254 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2255 (output_call_frame_info): Emit a \n after using it.
2257 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2259 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2261 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2263 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2264 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2265 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2267 (output_call_frame_info): Do not output forward label differences
2268 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2269 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2271 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2273 * sh.md (attribute "type"): Add nil.
2274 (movsi_ie): y/y alternative is type nil.
2275 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2277 (movsf_ie+1): Delete.
2279 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2281 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2282 large_int, emit two insns instead of one splitable insn.
2283 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2284 from cfa_temp_value, use cfa_offset. Add assert checking that
2287 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2289 * cccp.c (deps_output): Properly quote file names for make.
2291 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2293 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2295 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2297 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2299 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2301 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2303 (cse_end_of_basic_block): Similarly.
2305 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2307 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2308 (SELECT_RTX_SECTION): Define.
2309 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2311 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2313 * Makefile.in (compare, compare-lean): Define $stage for each
2315 (gnucompare, gnucompare-lean): Likewise.
2317 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2319 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2321 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2322 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2324 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2326 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2327 and add case to handle STRING_TYPE.
2328 * dwarfout.c (output_string_type_die): Fix code to generate
2329 correct string length attribute for fixed length strings.
2330 Still needs support for varying length strings.
2332 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2334 * toplev.c (get_run_time): Do something sensible for cygwin32.
2336 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2338 * expr.c (expand_builtin_setjmp): Set
2339 current_function_has_nonlocal_label.
2340 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2341 call-saved registers across calls.
2343 * alpha.md (exception_receiver): Remove.
2344 (nonlocal_goto_receiver_osf): New
2345 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2346 (nonlocal_goto_receiver): New, select _osf or _vms.
2348 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2349 keep them from being propogated to the object file.
2350 (alpha_write_linkage): Likewise.
2351 * alpha.md (call_vms): Likewise.
2352 (call_value_vms): Likewise.
2353 (unnamed osf call insns): Likewise.
2355 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2356 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2358 * alpha.c (call_operand): Any reg is valid for WinNT.
2359 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2360 (anon nt calls): Add 'R' alternative.
2361 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2362 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2364 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2366 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2368 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2369 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2370 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2372 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2374 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2375 spill error message.
2377 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2380 use varargs.h. Wrap header with <>, not "".
2382 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2384 * integrate.c (save_for_inline_copying): Add return value from
2387 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2389 * fixincludes: Be a little more restrictive on what we will
2390 substitute to replace definitions of MAXINT for HPUX.
2392 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2394 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2395 whose address is the stack or argument pointers are indirect
2398 1997-11-13 Paul Eggert <eggert@twinsun.com>
2400 * cccp.c, cpplib.c (compare_defs):
2401 Don't complain about arg name respellings unless pedantic.
2402 * cpplib.c (compare_defs): Accept pfile as new arg.
2403 All callers changed.
2405 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2407 * fold-const.c (fold_truthop): Fix bug in last change.
2409 1997-11-13 Paul Eggert <eggert@twinsun.com>
2411 Fix some confusion with IEEE minus zero.
2413 * real.h (REAL_VALUES_IDENTICAL): New macro.
2415 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2416 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2418 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2419 same tree structure as 0.0.
2421 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2422 macro instead of doing it by hand.
2424 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2426 * v850/lib1funcs.asm: Minor whitespace changes.
2427 * v850.c: Fix minor formatting problems in many places.
2428 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2430 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2432 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2433 xplus1 when xplus0 is not a register.
2435 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2437 * flow.c (find_basic_blocks): During marking phase, if we encounter
2438 an insn with a REG_LABEL note, make the target block live and
2439 create an edge from the insn to the target block. Do not make
2440 edges from all blocks to the target block.
2442 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2444 * confiugre.in: Tweak NCR entries.
2445 * configure: Rebuilt.
2447 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2449 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2450 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2451 and CONST_DOUBLE_HIGH.
2453 * rs6000.md (define_splits for DF constants): Use the appropriate
2454 REAL_VALUE_* interface to pick apart DF floating point constants in
2455 a machine independent fashion.
2457 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2459 * fold-const.c (fold_truthop): When changing a one-bit comparison
2460 against zero into a comparison against mask, do a proper sign
2463 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2465 * except.c: Do not include "assert.h".
2466 (save_eh_status): Turn asserts into conditional aborts.
2467 (restore_eh_status, scan_region): Likewise.
2468 * dwarfout.c: Do not include "assert.h".
2469 (bit_offset_attribute): Turn asserts into conditional aborts.
2470 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2471 (output_inlined_structure_type_die): Likewise.
2472 (output_inlined_union_type_die): Likewise
2473 (output_tagged_type_instantiation): Likewise.
2474 (dwarfout_file_scope_decl): Likewise.
2475 * dwarf2out.c: Do not include "assert.h"
2476 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2477 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2478 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2479 (add_bit_size_attribute, scope_die_for): Likewise.
2480 (output_pending_types_for_scope): Likewise.
2481 (get_inlined_enumeration_type_die): Likewise.
2482 (get_inlined_structure_type_die): Likewise.
2483 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2484 (gen_tagged_type_instantiation_die): Likewise.
2486 * flow.c (find_basic_blocks): Refine further to get a more correct
2487 cfg, especially in the presense of exception handling, computed
2488 gotos, and other non-trivial cases. Call abort if an inaccuracy
2489 is detected in the cfg.
2491 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2493 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2495 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2496 (skip_white_space): Use whitespace_cr.
2497 (check_newline): Handle whitespace more consistently.
2499 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2501 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2502 * i386/xm-cygwin32.h (POSIX): Define.
2504 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2506 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2507 is available elsewhere.
2509 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2511 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2512 what the instruction can handle.
2514 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2516 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2518 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2520 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2522 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2523 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2525 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2527 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2528 swap instruction order.
2530 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2532 * fixinc.svr4 (__STDC__): Add another case.
2534 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2536 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2537 addresses in the epilogue delay slot.
2539 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2541 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2542 in generated `specs' file.
2544 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2546 * flags.h (flag_rerun_loop_opt): Declare.
2547 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2548 * toplev.c (flag_rerum_loop_opt): Delete static.
2550 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2552 Bring over from FSF:
2554 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2556 * va-sh.h (__va_arg_sh1): Define.
2558 SH3E doesn't use any integer registers for subsequent arguments
2559 once a non-float value was passed in the stack.
2560 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2561 alignment in front label for ADDR_DIFF_VEC.
2562 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2563 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2565 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2567 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2570 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2572 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2573 put an use_sfunc_addr before each sfunc.
2574 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2575 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2577 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2579 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2581 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2583 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2586 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2588 * alias.c (find_base_value): Only return the known base value for
2591 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2593 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2594 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2596 (prologue_get_pc_and_set_got): New pattern.
2598 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2600 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2601 for SUBREG, just fall through.
2603 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2605 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2607 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2609 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2611 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2612 (USE_HOST_ALLOCA): Likewise.
2614 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2615 and LABEL_REFS fields.
2616 * rtl.h (LABEL_REFS): Update.
2618 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2620 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2621 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2622 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2625 * mips.md (insv, extzv, extv): Add change_address call.
2626 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2628 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2630 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2632 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2633 save_restore_insns if no FP and GP will be restored.
2635 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2636 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2638 * acconfig.h (HAVE_INTTYPES_H): Undef.
2639 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2640 and inttypes.h, and verify that intmax_t is defined.
2641 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2642 * config/mips/x-iris3: Likewise.
2644 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2646 * alias.c (find_base_value): When copying arguments, return the
2647 tenative value for a hard register.
2649 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2651 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2652 (yylex): Record wide strings using target endianness, not host.
2654 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2656 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2657 (ASM_OUTPUT_ALIGNED_BSS): New macro
2658 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2659 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2660 * v850.h (ASM_OUTPUT_BSS): Delete.
2661 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2663 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2665 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2667 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2669 * configure.in (sco5): Use cpio to install header files.
2671 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2673 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2675 * configure: Rebuild.
2677 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2679 * i386/sco5.h: enable -gstabs once again.
2681 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2683 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2685 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2687 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2688 notes for sjlj exceptions too.
2689 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2690 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2691 * final.c (final_scan_insn): Don't output labels for EH REGION
2692 notes if doing sjlj exceptions.
2694 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2696 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2697 optimizing correctly.
2699 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2700 or set current_function_calls_setjmp anymore.
2702 * flow.c (find_basic_blocks): If we delete the label for an
2703 exception handler, remove it from the EH label list and remove
2704 the EH_BEGIN/EH_END notes for that EH region.
2706 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2708 * flow.c (find_basic_blocks): Generate correct flow control
2709 information when exception handling notes are present.
2711 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2713 * dwarf2out.c (output_call_frame_info): Fix length argument
2714 to ASM_OUTPUT_ASCII.
2715 (output_die, output_pubnames, output_line_info): Likewise.
2717 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2719 * version.c: Bump for snapshot.
2721 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2722 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2723 flag_debug_asm is on.
2724 (output_die, output_pubnames, output_line_info): Likewise.
2726 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2727 and static_chain_rtx into the potential base values array if
2730 * alias.c (new_reg_base_value): New array of potential base values.
2731 (unique_id): Now file scoped static.
2732 (find_base_value, case REG): Return the value in reg_base_value
2733 array for the REG if it exists. Else, return the value from
2734 new_reg_base_value if copying args and REG is a hard register.
2735 (find_base_value, case PLUS): If either operand of the PLUS is
2736 a REG, try to get its base value. Handle base + index and
2738 (record_set): Use new_reg_base_value instead of reg_base_value.
2739 (init_alias_analysis): Allocate space for new_reg_base_value too.
2740 Rework code to iterate over the insns propagating base value
2741 information until nothing changes.
2743 * global.c (global_alloc): Free the conflict matrix after
2744 reload has finished.
2746 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2748 * libgcc2.c (L_eh): Define __eh_pc.
2749 Replace __eh_type with generic pointer __eh_info.
2751 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2753 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2754 use copy_to_reg if address is not a general_operand.
2756 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2758 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2759 for the duration of the call to rest_of_compilation.
2761 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2763 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2765 (sparc*-*-*): Recognize --with-cpu=v9.
2766 * sparc/elf.h: New file.
2767 * sparc/t-elf: New file.
2769 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2771 * mn10300.c (const_8bit_operand): New function.
2772 (mask_ok_for_mem_btst): New funtion.
2773 * mn10300.md (btst patterns with mem operands): Use new functions
2774 to avoid creating btst instructions with invalid operands.
2776 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2778 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2779 are running on PowerPC Linux.
2781 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2783 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2784 if not previously defined.
2786 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2788 * function.c (assign_parms): Correct mode of stack_parm if
2789 entry_parm underwent a mode conversion.
2791 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2793 * global.c (global_alloc): Use xmalloc instead of alloca for
2794 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2795 than 2.5Mb sometimes.
2797 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2799 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2800 DEST for the spill, adjust mode of SRC to compensate.
2802 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2804 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2805 since any_memory_operand() allows pseudos during reload.
2806 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2808 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2810 * m68k.md (btst patterns): Add 5200 support.
2812 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2814 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2815 optimizations, look inside dividend to determine if the expression
2816 can be simplified by using EXACT_DIV_EXPR.
2818 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2821 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2823 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2825 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2827 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2829 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2832 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2834 * alpha.md (movqi, movhi): Make sure new insns created during reload
2835 won't need reloading themselves.
2836 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2838 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2840 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2842 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2844 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2845 Patch from Klaus Kaempf <kkaempf@progis.de>.
2847 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2849 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2850 to an element in a constant string.
2852 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2854 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2855 bit PC-relative offset. The exception range table pointer is now in
2857 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2858 (count_fdes, add_fdes, get_cie): Adjust.
2859 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2862 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2864 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2866 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2867 like stack_pointer_rtx.
2869 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2871 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2872 targets using "$@" to provide support for similar but not identical
2873 targets without having to duplicate code.
2874 (bootstrap4): New goal.
2876 * Makefile.in (compare, compare-lean, compare3): Combined to one
2877 ruleset determining actions to be performed via $@.
2878 (compare4, compare4-lean): New targets.
2879 (gnucompare, gnucompare3): Combined to one ruleset determining
2880 actions to be performed via $@. Also, note which files failed
2881 the comparison test in .bad_compare.
2882 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2884 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2886 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2887 if the dividend is a multiple of the divisor.
2889 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2891 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2893 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2896 * alias.c (true_dependence): Fix typo.
2898 * toplev.c (flag_rerun_loop_opt): New variable.
2899 (f_options): Handle -frerun-loop-opt.
2900 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2902 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2904 * loop.c (simplify_giv_expr): Adding two invariants results
2907 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2909 * expr.c (get_inner_reference): Remove the array bias after
2910 converting the index to Pmode.
2912 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2914 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2915 (TARGET_MULT_BUG): Define.
2916 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2917 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2919 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2921 * mn10200.c (indirect_memory_operand): Delete unused function.
2922 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2923 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2925 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2927 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2928 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2929 for more than scheduling.
2931 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2933 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2935 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2937 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2938 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2939 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2941 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2943 * version.c: Bump for snapshot.
2945 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2947 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2950 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2952 * toplev.c (flag_exceptions): Default value is 2.
2953 (compile_file): If flag_exceptions still has the value 2, then
2956 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2957 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2958 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2960 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2963 * rs6000.md (*movsi_got_internal_mem): New pattern.
2964 (*movsi_got_internal_mem splitter): New define_split.
2966 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2968 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2970 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2972 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2973 only need to save LR.
2975 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2977 * mn10300.md (movqi, movhi): Avoid using address registers as
2978 destinations unless absolutely necessary.
2980 * mn10200.c (expand_prologue): Fix typo.
2982 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2984 * mn10200.md (neghi2): Provide an alternative which works if
2985 the input and output register are the same.
2987 * mn10300.c (print_operand): Handle 'S'.
2988 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2989 shift amount in last alternative
2991 * mn10300.c (expand_epilogue): Rework to handle register restores
2992 in "ret" and "retf" instructions correctly.
2994 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2996 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2997 extzv for memory operands.
2999 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3000 redundant conditional moves to single operand.
3002 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3004 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3007 * xm-v850.h: Use __v850 rather than __v850__ to
3010 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3012 * mips/mips.c (compute_frame_size): Not a leaf function if
3015 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3017 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3019 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3021 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3022 (DEFAULT_ARCH32_P): New macro.
3023 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3024 (enum cmodel): Declare.
3025 (sparc_cmodel_string,sparc_cmodel): Declare.
3026 (SPARC_DEFAULT_CMODEL): Provide default.
3027 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3028 (TARGET_FULLANY): Deleted.
3029 (TARGET_CM_MEDMID): New macro.
3030 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3031 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3032 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3033 (CPP_SPEC): Rewrite.
3034 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3035 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3036 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3037 (ASM_SPEC): Add %(asm_arch).
3038 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3039 Rename asm_default to asm_cpu_default.
3040 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3041 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3042 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3043 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3044 (MASK_INT64,MASK_LONG64): Delete.
3045 (MASK_ARCH64): Renamed to MASK_64BIT.
3046 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3047 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3048 (TARGET_SWITCHES): Always provide 64 bit options.
3049 (ARCH64_SWITCHES): Delete.
3050 (TARGET_OPTIONS): New option -mcmodel=.
3051 (INT_TYPE_SIZE): Always 32.
3052 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3053 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3054 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3055 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3056 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3058 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3059 * sparc/linux.h: Likewise.
3060 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3061 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3062 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3063 (SPARC_DEFAULT_CMODEL): Define.
3064 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3065 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3066 (LONG_DOUBLE_TYPE_SIZE): Define.
3067 (ASM_SPEC): Add %(asm_arch).
3068 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3069 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3070 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3071 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3072 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3073 (SPARC_DEFAULT_CMODEL): Define.
3074 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3075 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3076 MASK_LONG64, MASK_MEDANY.
3077 (SPARC_DEFAULT_CMODEL): Define.
3078 (CPP_PREDEFINES): Delete.
3079 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3080 (ASM_SPEC): Add %(asm_arch).
3081 (LONG_DOUBLE_TYPE_SIZE): Define.
3082 (DWARF2_DEBUGGING_INFO): Define.
3083 * sparc/splet.h (CPP_SPEC): Delete.
3084 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3085 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3086 (BLOCK_PROFILER): Likewise.
3087 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3088 (sparc_override_options): Handle code model selection.
3089 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3090 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3091 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3092 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3093 (sethi_di_fullany): Delete.
3095 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3096 Jeff Law <law@cygnus.com>
3097 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3099 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3100 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3101 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3102 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3103 * alpha/alpha.md (arg_home): Likewise.
3105 * alpha/alpha.c (vmskrunch): Delete
3106 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3107 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3108 truncate to 64 characters.
3110 * make-l2.com: Support openVMS/Alpha.
3112 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3114 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3116 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3118 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3120 * i386/bsd386.h (ASM_COMMENT_START): Define.
3122 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3124 * tree.c (restore_tree_status): Also free up temporary storage
3125 when we finish a toplevel function.
3126 (dump_tree_statistics): Print stats for backend obstacks.
3128 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3130 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3132 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3134 * libgcc2.c (__throw): Don't copy the return address.
3135 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3137 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3138 * toplev.c (main): Initialize exceptions_via_longjmp.
3140 * tree.c: Add extra_inline_obstacks.
3141 (save_tree_status): Use it.
3142 (restore_tree_status): If this is a toplevel inline obstack and we
3143 didn't want to save anything on it, recycle it.
3144 (print_inline_obstack_statistics): New fn.
3145 * function.c (pop_function_context_from): Pass context to
3146 restore_tree_status.
3147 * obstack.h (obstack_empty_p): New macro.
3149 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3151 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3153 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3155 * v850.c (ep_memory_offset): New function.
3156 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3158 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3159 (CONSTANT_ADDRESS_P): Add comment.
3160 (EXTRA_CONSTRAINT): Define 'U'.
3161 * v850.md: Add comments on bit field instructions.
3162 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3163 (lshrsi3): Use N not J constraint.
3165 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3167 * v850.c (reg_or_0_operand): Call register_operand.
3168 (reg_or_int5_operand): Likewise.
3169 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3170 (TARGET_SWITCHES): Add "big-switch".
3171 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3172 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3173 (CASE_DROPS_THROUGH): Comment out.
3174 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3175 * v850.md (cmpsi): Delete compare mode.
3176 (casesi): New pattern.
3178 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3179 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3180 (lshrsi3): Likewise.
3182 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3183 unreachable switch statement after 'b' support. Remove "b" from
3184 strings for 'b' support.
3185 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3187 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3189 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3190 empty line if @inhibit_libc@ is empty.
3192 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3194 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3195 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3196 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3197 (DWARF2_UNWIND_INFO): Let this track object file format.
3198 (EXTRA_SECTIONS): Add in_eh.
3199 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3200 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3202 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3204 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3205 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3207 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3208 (output_double_int): Output DI mode values correctly when
3209 HOST_BITS_PER_WIDE_INT is 64.
3210 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3211 fmovd so it works if a quad float ends up in one of the upper 32
3213 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3214 necessary for PIC support on sparc64.
3216 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3218 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3219 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3220 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3221 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3222 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3223 (SPARC_FP_ARG_FIRST): New macro.
3224 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3225 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3226 (NPARM_REGS): There are 32 fp argument registers now.
3227 (FUNCTION_ARG_REGNO_P): Likewise.
3228 (FIRST_PARM_OFFSET): Update to new v9 abi.
3229 (REG_PARM_STACK_SPACE): Define for arch64.
3230 (enum sparc_arg_class): Delete.
3231 (sparc_arg_count,sparc_n_named_args): Delete.
3232 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3233 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3234 (FUNCTION_ARG_ADVANCE): Rewrite.
3235 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3236 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3237 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3238 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3239 (STRICT_ARGUMENT_NAMING): Define.
3240 (doublemove_string): Declare.
3241 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3242 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3243 (doublemove_string): New function.
3244 (output_move_quad): Clean up some of the arch64 support.
3245 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3246 Don't add 8 bytes of reserved space if arch64.
3247 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3248 (init_cumulative_args): New function.
3249 (function_arg_slotno): New static function.
3250 (function_arg,function_arg_partial_nregs): New functions.
3251 (function_arg_{pass_by_reference,advance}): New functions.
3252 (function_arg_padding): New function.
3253 * ginclude/va-sparc.h: Rewrite v9 support.
3255 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3257 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3258 for hard regs to determine base and index registers.
3260 * reload.c (debug_reload_to_stream): New function. Specify stream
3261 into which to write debug info.
3262 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3264 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3266 * combine.c (can_combine_p): Don't combine with an asm whose
3267 output is a hard register.
3269 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3271 * c-decl.c (start_struct): Ensure that structs with forward
3272 declarations are in fact packed when -fpack-struct is given.
3274 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3275 we are packing a structure. This allows a structure with only
3276 bytes to be aligned on a byte boundary and have no padding on a
3279 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3281 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3283 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3285 * alpha.c (alpha_return_addr_rtx): New variable.
3286 (alpha_save_machine_status): New; save it.
3287 (alpha_restore_machine_status): New; restore it.
3288 (alpha_init_expanders): New; clear it.
3289 (alpha_return_addr): New; set it.
3290 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3291 is overly conservative, so search the insns explicitly.
3292 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3293 (alpha_sa_size [VMS && !VMS]): Likewise.
3294 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3295 (INIT_EXPANDERS): New definition.
3297 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3298 (output_prolog [!VMS]): Use them.
3300 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3301 (alpha_does_function_need_gp): ... a new function. Refine the
3302 CALL_INSN test to just TYPE_JSR.
3303 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3305 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3307 * version.c: Bump for snapshot.
3309 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3311 * pa.c (move_operand): Respect -mdisable-indexing.
3312 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3314 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3316 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3318 (umulsidi3,umulsi3_highpart): Ditto.
3319 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3321 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3323 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3324 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3325 function in one go. Emit RTL for trapb, instead of printf directly.
3326 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3327 (trap_pending): Kill global variable.
3328 (output_epilog): Don't call final_prescan_insn.
3329 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3330 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3331 (MACHINE_DEPENENT_REORG): Define.
3332 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3335 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3337 Tune Haifa scheduler for Alpha:
3338 * alpha.h (ISSUE_RATE): Define.
3339 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3340 EV4 adjustments to EV5.
3341 * alpha.md: Remove all scaling from function unit delays. Rework
3342 EV5 function units to match the CPU.
3343 (umuldi3_highpart): EV5 added the IMULH insn class.
3345 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3347 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3350 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3352 * cplus-dem.c (demangle_signature): Don't look for return types on
3353 constructors. Handle member template constructors.
3355 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3357 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3358 * tree.h: Declare them.
3360 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3362 * configure.in: Handle --with-newlib.
3363 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3365 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3367 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3369 * config/ptx4.h: Fix typo.
3371 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3373 * version.c: Bump for snapshot.
3375 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3377 * aclocal.m4: Substitute INSTALL.
3378 * configure: Re-built.
3380 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3382 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3384 (expand_inline_function): Likewise.
3386 * dwarf2out.c (output_call_frame_info): Reinstate last change
3387 using flag_debug_asm check instead of flag_verbose_asm.
3389 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3391 * dwarf2out.c (output_call_frame_info): Remove last change.
3393 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3395 * frame.c (__frame_state_for): Execute the FDE insns until the
3396 current pc value is strictly bigger than the target pc value.
3398 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3400 * regclass.c (init_reg_modes): If we can't find a mode for the
3401 register, use the previous one.
3403 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3405 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3406 don't sprintf through an alloca'ed buffer.
3408 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3410 * reload.c (decompose): Always initialize val.base.
3412 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3414 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3415 instead of aborting.
3416 * dwarf2out.c (output_call_frame_info): Call app_enable and
3417 app_disable to let GNU as accept the generated comments.
3419 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3421 * tree.h (get_file_function_name): Add declaration.
3422 * dwarf2out.c (output_call_frame_info): No need to cast
3423 get_file_function_name call anymore.
3424 * profile.c (toplevel): Remove get_file_function_name
3426 * c-lang.c (finish_file): Ditto.
3428 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3430 * Makefile.in (program_transform_name): Let autoconf substitute
3433 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3435 * haifa-sched.c (schedule_block): If the first real insn in a
3436 block has any special notes attached to it, remove them.
3438 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3440 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3442 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3444 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3446 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3448 * Makefile.in (check-g77): New test target.
3449 (CHECK-TARGETS): Add check-g77.
3451 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3453 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3455 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3457 * flow.c (print_rtl_with_bb): Cast alloca return value for
3460 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3462 * i386.h (RETURN_ADDR_RTX): New definition that works for
3463 __builtin_return_address(0) and -fomit-frame-pointer.
3465 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3467 Bring over from FSF.
3468 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3470 * mips.c (function_arg): Handle passing a struct
3471 containing a double in a DFmode register without the PARALLEL.
3473 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3475 * pexecute.c: Use spawn if __CYGWIN32__.
3477 * pexecute.c: Include "config.h" first, as per autoconf manual
3478 (from Paul Eggert <eggert@twinsun.com>).
3480 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3482 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3483 optimisation for f/expr.o and f/stb.o.
3485 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3487 * cse.c (this_insn_cc0_mode): Initialize.
3489 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3491 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3493 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3495 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3497 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3498 that pair will dual-issue on the 21164 and plus+beq won't.
3499 (bne): Likewise for cmpeq+beq.
3501 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3503 * except.c (find_exception_handler_labels): Correct argument to free.
3505 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3507 * except.c (find_exception_handler_labels): Free LABELS when we're
3510 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3512 * version.c: Bump for snapshot.
3514 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3516 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3519 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3521 * configure.in: Substitute for "install" too.
3522 * configure: Rebuilt.
3524 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3526 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3528 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3530 * alias.c (base_alias_check): Two symbols can conflict if they
3531 are accessed via AND.
3532 (memrefs_conflict_p): Likewise.
3534 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3535 after flushing argument registers to the stack.
3537 * Makefile.in (mostlyclean): Remove .regmove files.
3539 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3541 * libgcc2.c (__throw): Fix thinko.
3543 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3545 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3546 template-function mangling.
3547 (consume_count_with_underscores): New function.
3548 (demangle_signature): Handle new name-mangling scheme.
3550 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3552 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3555 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3557 * frame.c: Remove last change.
3558 * dwarf2.h: Remove last change.
3559 * tree.h: Add declarations of DWARF2 unwind info support
3562 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3564 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3565 * tree.h (built_in_function): Likewise.
3566 * expr.c (expand_builtin): Likewise.
3567 * except.h: Likewise.
3568 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3569 * libgcc2.c (copy_reg): New fn.
3572 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3574 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3575 unsigned if -W is specified and -Wno-sign-compare is not.
3576 * c-decl.c (warn_sign_compare): Initialize to -1.
3577 (c_decode_option): -Wall no longer implies -Wsign-compare.
3579 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3581 * frame.c: Include gansidecl.h for PROTO.
3582 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3583 defined. Don't declare dwarf2out_cfi_label here.
3584 * dwarf2.h: Add declarations of DWARF2 unwind info support
3586 * m68k.c: Include dwarf2.h.
3587 (output_function_prologue): Add dwarf2 support.
3588 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3589 (INCOMING_FRAME_SP_OFFSET): Likewise.
3591 * integrate.c (expand_inline_function): Make sure there is at
3592 least one insn that can be used as an insertion point.
3594 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3596 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3598 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3600 * version.c: Bump for snapshot.
3602 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3604 Bring over from FSF.
3606 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3608 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3609 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3610 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3612 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3614 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3615 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3617 (sparc_align_{loops,jumps,funcs}_string): Declare.
3618 (sparc_align_{loops,jumps,funcs}): Declare.
3619 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3620 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3621 (STACK_BIAS): Define.
3622 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3624 (SPARC_SETHI_P): New macro.
3625 (CONST_OK_FOR_LETTER_P): Use it.
3626 (ASM_OUTPUT_ALIGN_CODE): Define.
3627 (ASM_OUTPUT_LOOP_ALIGN): Define.
3628 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3629 (sparc_align_{loops,jumps,funcs}): New globals.
3630 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3632 (move_operand): Use SPARC_SETHI_P.
3633 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3635 (arith11_double_operand): Likewise.
3636 (arith10_double_operand): Likewise.
3637 (finalize_pic): Finish sparc64 support.
3638 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3639 64 bit constants if able.
3640 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3641 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3643 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3644 (get_pc_sp32): Use for sparc64 as well.
3645 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3646 (sethi_di_sp64_const): Likewise.
3647 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3648 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3649 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3651 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3653 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3654 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3655 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3657 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3659 Add sparc64 linux support.
3660 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3661 to xm_file list on 32-bit sparc-linux.
3662 * sparc/xm-sp64.h: New file.
3663 * sparc/linux64.h: New file.
3664 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3665 Don't include xm-sparc.h.
3666 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3667 * glimits.h (LONG_MAX): Handle sparc64.
3669 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3671 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3672 * sparc.h (ASM_COMMENT_START): Define.
3673 * sparc.c (output_function_prologue): Use it.
3674 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3676 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3678 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3679 use sparc.h's copies.
3680 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3683 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3685 * sparc.c (dwarf2out_cfi_label): Add declaration.
3686 (save_regs, output_function_prologue): Remove cast for it.
3687 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3688 ({save,restore}_regs): No longer inline.
3690 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3692 * fold-const.c (make_range): Correctly handle cases of converting
3693 from unsigned to signed type.
3695 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3697 * fold-const.c (merge_ranges): Make sure that if one range is subset
3698 of another, it will always be the second range. Correct (+,-) case to
3701 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3703 * final.c (final_end_function): Also do dwarf2 thing if
3704 DWARF2_DEBUGGING_INFO.
3705 (final_start_function): Likewise.
3707 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3709 * expmed.c (expand_divmod): If compute_mode is not the same as
3710 mode, handle the case where convert_modes() causes op1 to no
3711 longer be a CONST_INT.
3713 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3714 note holding get_jump_flags() calculation to all JUMP_INSNs.
3715 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3716 * rtl.c (reg_note_name): Add new note types.
3718 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3720 * rtlanal.c (computed_jump_p): Fix typo in last change.
3722 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3724 * loop.c (indirect_jump_in_function_p): Return 0
3727 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3729 * rs6000/xm-rs6000.h: Fix thinko in last change.
3730 * rs6000/xm-sysv4.h: Likewise.
3732 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3734 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3736 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3738 * reg-stack.c (find_blocks): Fix thinko in last change.
3740 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3742 * m68k.c (output_function_prologue): Add dwarf2 support.
3744 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3745 INCOMING_FRAME_SP_OFFSET): New definitions.
3747 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3749 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3750 appropriate in calls to gen_rtx().
3751 * cse.c (cse_main): Likewise.
3752 * emit-rtl.c (gen_label_rtx): Likewise.
3753 * expr.c (init_expr_once): Likewise.
3754 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3755 sched_analyze, init_rgn_data_dependences,
3756 compute_block_backward_dependences): Likewise.
3757 * sched.c (schedule_insns): Likewise.
3758 * varasm.c (immed_double_const): Likewise.
3760 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3761 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3763 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3765 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3766 (MULTILIB_DEFAULTS): Define.
3767 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3768 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3769 (LIBGCC_SPEC): Likewise.
3770 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3771 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3772 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3773 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3774 (EXTRA_PARTS, TAROUTOPTS): Delete.
3775 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3776 (MULTILIB_OPTIONS): Define.
3777 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3778 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3780 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3782 * version.c: Bump for snapshot.
3784 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3786 * loop.c (loop_number): Delete function. Change all references
3787 to use uid_loop_num array.
3788 * loop.h (loop_number): Delete declaration.
3789 * unroll.c (unroll_loop): Change "loop_number" references to
3790 use uid_loop_num instead.
3792 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3794 (loop_unroll_iter): Remove unused variable and all references.
3795 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3796 (insert_bct): Fix minor formatting problems.
3797 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3798 (loop_unroll_iter): Removed unused decl.
3799 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3800 Always record the unrolling factor.
3802 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3803 Similarly for h1u and h1s.
3805 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3806 (find_basic_blocks): Use computed_jump_p to determine if a
3807 particular JUMP_INSN is a computed jump.
3808 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3809 if a particular JUMP_INSN is a computed jump.
3810 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3811 (computed_jump_p): Likewise.
3812 * rtl.h (computed_jump_p): Declare.
3813 * genattrtab.c (pc_rtx): Define and initialize.
3814 * loop.c (loop_optimize): Always determine if the current
3815 function has a computed jump.
3816 (indirect_jump_in_function_p): Use computed_jump_p to determine
3817 if a particular JUMP_INSN is a computed jump.
3819 * loop.c (fix_bct_param): Delete unused function.
3820 (check_bct_param): Likewise.
3822 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3824 * frame.c (__deregister_frame): Check properly for initialized object.
3826 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3828 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3830 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3832 * jump.c (thread_jumps): check can_reverse_comparison_p before
3833 threading a reversed-condition jump.
3835 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3836 * haifa-sched.c (update_flow_info): Likewise.
3838 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3840 * Makefile.in (BOOT_CFLAGS): Use -O2.
3842 * configure.in (strtoul, bsearch): Have autoconf check for these
3844 * configure, config.in: Rebuilt.
3846 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3847 * mips/mips.h (alloca): Likewise.
3848 * rs6000/xm-rs6000.h (alloca): Likewise.
3849 * rs6000/xm-sysv4.h: Likewise.
3851 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3853 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3854 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3855 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3857 * except.c (end_eh_unwinder): Subtract 1 from return address.
3858 * libgcc2.c (__throw): Likewise.
3859 (find_exception_handler): Don't change PC here. Compare end with >.
3861 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3863 * v850.c (compute_register_save_size): Correct register
3865 * v850.md (save_interrupt, return_interrupt): Correct
3867 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3868 (return_interrupt): Use stack pointer, not element pointer.
3870 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3872 * configure.in, configure: Make sure to create the stage* and include
3873 symbolic links in each subdirectory.
3875 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3877 * pa.md (reload_peepholes): Don't allow addresses with side
3878 effects for the memory operand.
3880 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3882 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3883 looking for a handler, to avoid hitting the beginning of the next
3886 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3888 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3890 * mips/abi64.h (LONG_MAX_SPEC): Define.
3891 * mips.h (LONG_MAX_SPEC): Define.
3892 (CPP_SPEC): Include long_max_spec.
3893 (EXTRA_SPECS): Include long_max_spec.
3895 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3897 * v850.c (construct_save_jarl): Fix thinko in last change.
3899 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3901 * version.c: Bump for snapshot.
3903 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3905 * libgcc2.c (find_exception_handler): Not found is -1.
3907 * integrate.c (expand_inline_function): Move expand_start_bindings
3908 after expanding the arguments.
3910 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3912 * expr.c (expand_expr): Remove previous incorrect change.
3913 If target and slot has no DECL_RTL, then call mark_addressable
3914 again for the slot after we give it RTL.
3916 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3918 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3919 again for the slot after we give it RTL.
3921 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3923 * v850.c (register_is_ok_for_epilogue,
3924 pattern_is_ok_for_epilogue, construct_restore_jr,
3925 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3927 * v850.h (pattern_is_ok_for_prologue,
3928 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3931 * v850.md: Replace prologue and epilogue patterns with a
3932 match_parallel pattern.
3934 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3936 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3937 * configure.in: Use EGCS_PROG_INSTALL.
3939 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3941 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3942 extern inline function.
3944 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3946 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3947 (concat_loc_descriptor): New function.
3948 (loc_descriptor): Call it.
3949 (add_AT_location_description): Also elide the descriptor if both
3950 halves of a CONCAT are pseudos.
3951 (add_location_or_const_value_attribute): Recognize CONCAT too.
3953 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3955 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3957 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3958 out-or-range reg_offset.
3959 (output_epilog): Likewise.
3961 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3963 * cse.c (simplify_relational_operation): If MODE specifies a
3964 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3965 is derived from the sign bit of the low word.
3967 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3969 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3971 * dwarf2.h: Add DW_CFA_GNU_args_size.
3972 * frame.c (execute_cfa_insn): Likewise.
3973 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3974 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3975 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3976 insn, hand it off to dwarf2out_stack_adjust.
3977 (dwarf2out_begin_prologue): Initialize args_size.
3978 * frame.h (struct frame_state): Add args_size.
3979 * libgcc2.c (__throw): Use args_size.
3980 * final.c (final_scan_insn): If we push args, hand off all insns
3981 to dwarf2out_frame_debug.
3982 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3984 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3985 Handle epilogue restore of SP from FP.
3986 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3987 lone insn has RTX_FRAME_RELATED_P set.
3989 * frame.c (extract_cie_info): Handle "e" augmentation.
3990 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3991 absence of UNALIGNED_*_ASM_OP.
3992 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3993 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3994 Don't emit augmentation fields length.
3995 (dwarf2out_do_frame): Move outside of #ifdefs.
3996 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3999 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4000 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4001 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4002 * sparc/sun4gas.h: New file.
4003 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4005 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4006 __register_frame_table and __deregister_frame.
4008 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4010 * except.c (find_exception_handler_labels): Use xmalloc instead of
4011 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4014 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4016 * Makefile.in: Various changes to build info files
4017 in the object tree rather than the source tree.
4019 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4021 * fixinc.math: New file to fix math.h on some systems.
4022 * configure.in (freebsd, netbsd): Use fixinc.math on these
4024 * configure: Rebuilt.
4026 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4028 * regmove.c (regmove_optimize): If we end up moving the
4029 original insn due to lifetime overlaps, make sure to move
4032 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4034 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4036 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4038 * haifa-sched.c (add_branch_dependences): Make each insn in
4039 a SCHED_GROUP_P block explicitly depend on the previous insn.
4041 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4043 * except.h: Prototype dwarf2 hooks.
4046 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4048 * configure.in (native_prefix): Delete.
4049 (mips-dec-netbsd): Don't set prefix.
4050 (*linux*): Don't set prefix.
4052 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4054 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4055 defined. If not defined, include <sys/varargs.h> if
4056 HAVE_SYS_VARARGS_H is defined.
4057 * configure.in: Test for varargs.h and sys/varargs.h.
4058 * configure: Regenerate with autoconf.
4059 * config.in: Regenerate with autoheader.
4061 * cpplib.c (quote_string): Cast first arg of sprintf call
4062 from "unsigned char *" to "char *".
4063 (output_line_command): Ditto.
4064 (macroexpand): Ditto.
4065 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4067 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4069 * version.c: Bump for snapshot.
4071 * Makefile.in (compare): Exit with nonzero status if there
4072 are comparison failures. Note which files failed the
4073 comparison test in .bad_compare.
4075 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4077 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4079 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4081 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4082 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4083 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4084 * configure: Regenerated.
4086 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4088 * loop.c (strength_reduce): Fix typo.
4090 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4092 * m88k/m88k.c (struct option): Rename to struct options.
4093 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4094 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4095 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4096 __DOLPHIN__ or sysV88.
4098 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4100 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4103 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4105 * config.sub: Accept 'amigados' for backward compatability.
4107 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4109 * Makefile.in (testsuite/site.exp): New target.
4110 (check-gcc, check-g++): Depend on testsuite/site.exp.
4111 Don't stop for failure.
4113 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4115 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4116 if DWARF2_UNWIND_INFO.
4118 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4120 Add support for exception handling using DWARF 2 frame unwind info.
4121 Currently works on SPARC and MIPS, and almost on x86.
4123 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4124 next_stack_level, in_reg_window): Helper fns.
4125 (__throw): Implement for DWARF2_UNWIND_INFO.
4127 * expr.c (expand_builtin): Handle builtins used by __throw.
4128 * tree.h (enum built_in_function): Add builtins used by __throw.
4129 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4130 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4131 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4132 (expand_builtin_extract_return_addr): Likewise.
4133 (expand_builtin_frob_return_addr): Likewise.
4134 (expand_builtin_set_return_addr_reg): Likewise.
4135 (expand_builtin_eh_stub): Likewise.
4136 (expand_builtin_set_eh_regs): Likewise.
4137 (eh_regs): Choose two call-clobbered registers for passing back values.
4139 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4140 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4141 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4142 (stmp-multilib): Likewise.
4143 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4145 * except.c: #include "defaults.h".
4146 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4147 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4148 (register_exception_table_p): New fn.
4149 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4150 (end_eh_unwinder): Likewise.
4152 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4153 call __register_frame and __deregister_frame as needed.
4154 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4155 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4156 EH_FRAME_SECTION_ASM_OP.
4157 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4158 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4159 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4161 * dwarf2out.c (output_call_frame_info): If no support for
4162 EXCEPTION_SECTION, mark the start of the frame info with a
4164 * collect2.c (frame_tables): New list.
4165 (is_ctor_dtor): Recognise frame entries.
4166 (scan_prog_file): Likewise.
4167 (main): Pass -fno-exceptions to sub-compile. Also do collection
4168 if there are any frame entries.
4169 (write_c_file_stat): Call __register_frame_table and
4170 __deregister_frame as needed.
4171 (write_c_file_glob): Likewise.
4173 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4174 Also require unaligned reloc support.
4175 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4176 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4177 * sparc/sysv4.h: Not here.
4179 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4180 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4181 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4183 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4184 EH implementations to the top.
4185 (find_exception_handler): Split out. Start from 0. Compare against
4187 (__find_first_exception_table_match): Use it.
4188 * except.c (output_exception_table): Don't do anything if there's
4189 no table. Don't output a first entry of zeroes.
4190 (eh_outer_context): Adjust properly.
4191 (add_eh_table_entry): Use xrealloc.
4192 * toplev.c (compile_file): Just call output_exception_table.
4194 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4196 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4198 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4200 * except.c (eh_outer_context): Do masking using expand_and.
4202 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4204 Add port done awhile ago for the ARC cpu.
4205 * arc/arc.h: New file.
4206 * arc/arc.c: New file.
4207 * arc/arc.md: New file.
4208 * arc/initfini.c: New file.
4209 * arc/lib1funcs.asm: New file.
4210 * arc/t-arc: New file.
4211 * arc/xm-arc.h: New file.
4212 * ginclude/va-arc.h: New file.
4213 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4214 * ginclude/varargs.h: Likewise.
4215 * Makefile.in (USER_H): Add va-arc.h.
4216 * configure.in (arc-*-elf*): Recognize.
4217 * longlong.h: Add ARC support.
4219 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4221 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4222 when clearing non-BLKmode data.
4224 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4226 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4227 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4229 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4231 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4233 * Makefile.in (clean): Delete libgcc1-test.
4235 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4237 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4239 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4242 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4244 * dwarf2out.c (output_call_frame_info): Call named_section.
4246 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4248 * haifa-sched.c (print_value): Fix last change.
4250 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4252 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4255 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4257 * mips.c (function_prologue): Set up the CFA when ABI_32.
4259 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4260 for dwarf2 unwind info.
4261 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4263 * final.c (final_end_function): Check dwarf2out_do_frame instead
4264 of DWARF2_DEBUG for dwarf2 unwind info.
4265 (final_scan_insn): Likewise.
4266 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4269 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4272 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4274 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4276 * v850.h (ASM_SPEC): Pass on target processor.
4277 (CPP_PREDEFINES): Only define if not already specified.
4278 (TARGET_VERSION): Only define if not already specified.
4279 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4281 (EXTRA_SWITCHES): Extra entries in the switches array.
4282 (TARGET_DEFAULT): Set default target processor.
4284 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4286 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4287 cases, add %# and %/, and add : to make them into extended asms.
4289 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4291 * alias.c (init_alias_analysis): Clean up incompatible pointer
4292 type warning in bzero.
4293 * regmove.c (regmove_optimize): Ditto.
4294 * haifa-sched.c (find_rgns): Ditto.
4296 * haifa-sched.c (print_value): Clean up ptr->int cast
4299 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4301 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4302 * install.texi (Configurations): Ditto.
4303 * config.sub: Ditto.
4305 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4307 * Makefile.in (sdbout.o): Depend on insn-config.h.
4309 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4311 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4312 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4314 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4316 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4317 prologue insn, only the first elt is significant.
4318 (output_call_frame_info): For exception handling, always use 4-byte
4319 fields as specified by the dwarf2 spec.
4320 Don't skip trivial FDEs.
4322 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4324 * version.c: Bump for snapshot.
4326 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4328 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4329 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4332 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4334 * final.c (shorten_branches): During first pass, assume worst
4335 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4337 * Makefile.in (distclean): Remove various things left around
4338 by running the testsuite.
4340 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4342 * configure.in (out_file): Emit definition to config.status in order
4343 to have a defined value for configure.lang.
4344 * configure: Re-built.
4346 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4348 * configure.in: Make symlink to as-new rather than as.new. Similarly
4350 * configure: Rebuilt.
4352 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4354 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4356 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4358 * sparc/sparc.md: Add ultrasparc scheduling support.
4359 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4361 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4363 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4364 as initial value for real_label_map.
4365 (copy_for_inline): Likewise.
4367 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4369 * sched.c (update_flow_info) When looking if to set found_split_dest
4370 or found_orig_dest, look at all parts of a PARALLEL.
4371 * haifa-sched.c (update_flow_info): Likewise.
4373 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4375 * v850: New directory for v850 port.
4376 * v850/lib1funcs.asm: New file.
4377 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4378 * ginclude/va-v850.h: New file.
4379 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4380 * configure.in (mn10200-*-*): New target.
4381 * configure: Rebuilt.
4382 * config.sub: Handle v850-elf.
4383 * Makefile.in (USER_H): Add va-mn10200.h.
4384 * invoke.texi: Document v850 stuff.
4386 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4388 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4389 has integer TYPE_{MAX,MIN}_VALUE before using them.
4391 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4392 __HPUX_ASM__ versions.
4394 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4396 * install.sh: Delete duplicate install script.
4398 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4400 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4401 computed goto which sets the same stack register.
4403 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4404 destination are both on the regstack.
4405 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4407 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4409 * mips.md (nonlocal_goto_receiver): Define.
4411 * profile.c (output_arc_profiler): Check next_insert_after for non
4412 NULL before deferencing it.
4414 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4416 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4418 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4420 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4422 * toplev.c (rest_of_compilation): For passes starting with
4423 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4425 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4428 * flow.c (print_rtl_with_bb): Print which insns start and end
4429 basic blocks. For the start of a basic block, also print the live
4432 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4434 * toplev.c (main): Change #elif to #else/#ifdef
4436 * tlink.c: Include ctype.h.
4437 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4439 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4441 * bitmap.c: Conditionally include stdlib.h.
4442 (free): Provide a declaration if NEED_DECLARATION_FREE.
4444 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4446 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4448 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4450 * profile.c (output_arc_profiler): Verify next_insert_after is an
4451 INSN before and after skipping a stack pop.
4453 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4455 * final.c (shorten_branches): Don't count the lengths of deleted
4458 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4460 * version.c: Bump for snapshot.
4462 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4464 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4465 two bitmaps ANDed together.
4466 (bitmap_print): Declare.
4468 * bitmap.c (function_obstack): Don't declare any more.
4469 (bitmap_obstack): Obstack for allocating links from.
4470 (bitmap_obstack_init): New static to say whether to initialize
4472 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4473 (bitmap_release_memory): Free all memory allocated from
4476 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4477 EXECUTE_IF_AND_IN_BITMAP.
4479 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4481 * alias.c (true_dependence): Address with AND can alias scalars.
4482 (anti_dependence, output_dependence): Likewise.
4484 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4486 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4488 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4489 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4490 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4491 definitions. Use -qrtems instead of -mrtems.
4493 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4495 * xm-sco5.h (sys_siglist): Define.
4496 (SYS_SIGLIST_DECLARED): Likewise.
4498 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4500 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4502 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4504 * except.c (eh_outer_context): Expand masking operation using
4507 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4509 * alpha.md (floatdisf2-1): New pattern.
4511 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4513 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4514 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4515 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4516 * gcc.texi: Note that if you define sys_siglist that you should
4517 also define SYS_SIGLIST_DECLARED.
4519 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4520 are relative to the next instruction, not the current instruction.
4522 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4524 * local-alloc.c (contains_replace_regs): New function.
4525 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4526 verify that there is no existing REG_EQUIV note, and add a call to
4527 contains_place_regs.
4529 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4531 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4532 (STARTFILE_SPEC): Always use crtbegin.o%s
4533 (ENDFILE_SPEC): Always use crtend.o%s.
4535 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4537 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4539 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4540 SFmode for 64 bit hosts.
4542 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4544 * fixincludes: Permits spaces between # and define. Discard C++
4545 comments in sys/pci.h on HP/UX 10.20.
4547 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4549 * version.c: Bump for snapshot.
4551 * pa.c (restore_unscaled_index_insn_codes): New function.
4552 (record_unscaled_index_insn_codes): Likewise.
4553 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4554 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4555 (pa_reorg): Call record_unscaled_index_insn_codes.
4557 * haifa-sched.c (move_insn): Handle notes correctly for insns
4558 with SCHED_GROUP_P set.
4560 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4562 * alpha/xm-linux.h (USE_BFD): Undef before define.
4564 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4566 * cse.c (cse_insn): Don't record BLKmode values.
4568 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4570 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4572 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4574 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4575 * collect2.c (sys_errlist): Likewise.
4576 * cpplib.c (sys_errlist): Likewise.
4577 * gcc.c (sys_errlist): Likewise.
4578 * protoize (sys_errlist): Likewise.
4579 * configure.in: Check for strerror.
4580 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4581 * xm-gnu.h (HAVE_STRERROR): Likewise.
4582 * xm-linux.h (HAVE_STRERROR): Likewise.
4583 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4584 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4585 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4586 * xm-dos.h (HAVE_STRERROR): Likewise.
4587 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4588 * xm-pa.h (HAVE_STRERROR): Likewise.
4589 * xm-papro.h (HAVE_STRERROR): Likewise.
4590 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4591 * configure, config.in: Rebuilt.
4593 * Makefile.in: Add several missing "else true" clauses.
4595 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4596 * mips-tfile.c: Likewise.
4597 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4598 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4599 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4600 * configure.in: Check for sys_siglist declaration.
4601 * configure, config.in: Rebuilt.
4603 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4605 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4606 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4607 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4608 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4609 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4610 macro EXTRA_SUBTARGET_SWITCHES.
4611 * configure.in (sh*-*-rtems*): New target.
4612 * sh/rtems.h: New file.
4613 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4614 * configure: Rebuilt.
4616 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4618 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4620 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4622 * rs6000.md: Make DF fused-add operations pay attention to
4625 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4627 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4629 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4631 * pa.md (reload_peepholes): Make sure operand is a REG before
4632 examining REGNO. Allow general registers too.
4634 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4636 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4638 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4640 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4641 to reallocate abbrev_die_table.
4643 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4645 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4647 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4649 * Makefile.in (config.status): Depend on version.c
4651 * expr.h (insn_gen_function): Reenable prototype.
4653 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4656 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4658 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4660 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4662 * version.c: Bump for latest snapshot.
4664 * bc-optab.c: Conditionally include stdlib.h.
4665 (free): Provide a declaration if NEED_DECLARATION_FREE.
4666 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4667 * rtl.h (free): Remove declaration.
4668 * tree.h (free): Remvoe declaration.
4670 * configure: Rebuilt.
4672 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4674 * flags.h (flag_move_all_movables): Declare.
4675 (flag_reduce_all_givs): Likewise.
4676 * loop.c (move_movables): Handle flag_move_all_movables.
4677 (strength_reduce): Handle flag_reduce_all_givs.
4678 * toplev.c (flag_move_all_movables): Define.
4679 (flag_reduce_all_givs): Likewise.
4680 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4681 * invoke.texi: Document new options, including alias stuff that
4682 wasn't included last time.
4684 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4686 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4689 * t-vxworks68: Ditto.
4690 * t-vxworks960: Ditto.
4693 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4695 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4696 if not already defined, and USE_C_ALLOCA not defined.
4698 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4700 * config.guess: Replace with script that uses ../config.guess.
4702 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4703 if USE_GNULIBC_1 is not defined.
4705 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4707 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4708 * config.guess: Recognize alpha-linux-gnulibc1.
4709 * configure.in (alpha-*-linux-gnulibc1): New target.
4710 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4712 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4714 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4717 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4719 * loop.c (combine_movables): Earlier insns don't match later ones.
4721 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4723 * config/linux.h (CC1_SPEC): Define it only if not defined.
4725 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4728 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4729 USE_GNULIBC_1 is not defined.
4731 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4733 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4734 as 1 if USE_GNULIBC_1 is not defined.
4736 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4738 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4739 to be something other than a REG.
4740 * function.c (expand_function_end): Fix current_function_return_rtx
4743 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4744 * x-netbsd: Likewise
4745 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4746 (INSTALL_HEADERS): Delete.
4747 * x-dguxbcs: Likewise.
4748 * x-hp3bsd44: Likewise
4751 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4753 * i386.md (pop): pop increments the stack pointer.
4754 (prologue_set_stack_ptr): New pattern.
4755 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4758 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4760 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4761 address where an offsettable address is required.
4763 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4765 * loop.c (check_final_value): Don't miss a biv increment in a
4768 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4770 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4771 TYPE_DECL_IS_STUB instead of DECL_NAME.
4773 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4775 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4777 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4779 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4781 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4783 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4784 (find_post_sched_live): Likewise.
4786 * haifa-sched.c (schedule_block): Remove old code to get arguments
4787 from hard regs into pseudos early.
4789 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4791 * version.c: Bump for new snapshot.
4793 * local-alloc.c (update_equiv_regs): All the target to reject
4794 promotion of some REG_EQUAL to REG_EQUIV notes.
4795 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4797 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4800 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4801 store of the argument registers.
4803 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4805 * fold-const.c (multiple_of_p): New function.
4806 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4808 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4810 * expr.h (insn_gen_function): Temporarily remove prototype.
4812 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4814 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4815 filenames. Use sed to extract base filename for install.
4817 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4819 * unroll.c (find_splittable_givs): Only share if two givs have the
4820 same add and multiply values.
4822 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4824 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4825 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4827 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4829 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4830 around branch tables.
4831 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4832 and .end_brtab directives if TARGET_GAS.
4834 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4836 * alias.c (true_dependence): Pass x_addr not x to varies.
4838 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4839 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4840 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4842 * config.in, configure: Regenerate.
4844 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4846 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4848 (record_set): Handle LO_SUM like PLUS.
4849 (init_alias_analysis): When following chains of base addresses,
4850 do not stop on reaching a hard register.
4852 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4854 * version.c: Bump for new snapshot.
4856 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4858 * alpha.h (ARCH_ASM_FILE_START): Define.
4859 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4860 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4862 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4864 * Makefile.in (install-common): Put gcov comment at start of line.
4866 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4868 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4869 array, simplify entries for hard registers too.
4871 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4873 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4876 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4878 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4879 block_stack before dereferencing it.
4881 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4883 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4885 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4887 * cplus-dem.c: Add 'extern' to prepends_underscore.
4889 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4891 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4892 (get_issue_rate): Delete.
4893 * pa.h (ISSUE_RATE): Define.
4895 * configure.in: Turn on haifa by default for the PA.
4896 * configure: Rebuilt.
4897 * pa.c (override_options): Accept -mschedule=7200 option.
4898 (pa_adjust_cost): No longer need to scale costs for newer
4900 * pa.h (enum processor_type): Add PROCESSOR_7200.
4901 * pa.md: Revamp scheduling parameters to work better with
4902 haifa. Add scheduling parameters for the 7200.
4904 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4906 (schedule_block): When adjusting basic_block_{head,end}, account
4907 for movement of SCHED_GROUP_P insns too.
4909 * haifa-sched.c (debug_dependencies): Fix thinko.
4911 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4912 (site.exp, check, check-g++, check-gcc): New targets.
4914 * haifa-sched.c: Make lots of variables static.
4916 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4918 * expr.h, real.h: Finish prototyping.
4920 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4922 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4923 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4924 * reload1.c: Undo bugfix from Aug 11.
4926 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4928 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4929 quotes around the name.
4930 * configure: Regenerate.
4932 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4934 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4936 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4938 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4939 to sub-makes to avoid building more passes than the user might have
4940 requested on the command line.
4942 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4944 * configure.in: Expurgate `broken_install' (install is
4947 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4950 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4952 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4953 functions and declarations.
4954 (analyze_loop_iterations): Use condjump_p.
4955 (insert_bct): Likewise. Use exact_log2.
4957 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4959 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4960 (schedule_region): Likewise.
4961 (schedule_insns): Likewise.
4963 * PROJECTS: Update with Haifa stuff.
4965 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4967 * version.c: Change the version string to look like:
4968 egcs-2.90.00 970814 (gcc2-970802 experimental).
4970 * loop.c (is_conditional_branch): Make definition match declaration.
4972 * gcc.c: Take out experimental snapshot warning message.
4974 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4976 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4977 print out the names of the notes. Print out the name of the insn
4978 that is not a note, and not an {,CALL_,JUMP_}INSN.
4980 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4982 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4983 again for the slot after we give it RTL.
4985 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4987 * configure.in (haifa configury): Fix typo.
4988 * configure: Regenerate.
4990 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4992 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4994 * gcc.info*: Rebuilt.
4996 * COPYING.g77, README.g77: New files.
4997 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4998 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4999 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5001 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5003 * Integrate Haifa instruction scheduler.
5004 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5005 to sched with $(SCHED_CFLAGS.
5006 * configure.in: Handle --enable-haifa.
5007 * configure: Rebuilt.
5008 * flags.h: Add new flags for haifa instruction scheduler.
5009 * genattrtab.c (expand_units): For haifa, don't subtract one
5010 when computing blockage.
5011 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5012 (flag_schedule_speculative): Ditto.
5013 (flag_schedule_speculative_load): Ditto.
5014 (flag_schedule_speculative_load_dangerous): Ditto.
5015 (flag_schedule_reverse_before_reload): Ditto.
5016 (flag_schedule_reverse_after_reload): Ditto.
5017 (flag_branch_on_count_reg): Ditto.
5018 (f_options): Add Haifa switches.
5019 (main): Turn off some Haifa options if appropriate macro is
5020 defined. Process Haifa switches.
5021 * unroll.c (iteration_info): No longer static, since Haifa
5023 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5024 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5025 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5026 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5027 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5028 storage for the Haifa scheduler.
5029 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5031 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5032 are defined, call analyze_loop_iterations and insert_bct to use
5034 (record_giv): Refine test for jumps out of loops if HAIFA is
5036 (analyze_loop_iterations): New function to identify if we can use
5038 (insert_bct): Insert countdown loop.
5039 (instrument_loop_bct): Low level code to insert countdown loop.
5040 (loop_number): Calculate UID of loop.
5041 (indirect_jump_in_function_p): Return true if an indirect jump is
5043 (is_power_of_2): Return true if value is a power of 2.
5044 (is_conditional_branch): Return true if insn is a conditional
5046 (fix_bct_param): Process -fbct-{min,max}-N switches.
5047 (check_bct_param): Return true if loop should be instrumented.
5048 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5049 (loop_optimize): Initialize.
5050 (get_condition_for_loop): Ditto.
5051 * loop.c (strength_reduce): Inside of code that uses #ifdef
5052 HAVE_decrement_and_branch_on_count code, test it to make sure the
5054 (instrument_loop_bct): Ditto.
5055 * haifa-sched.c: New file.
5058 * Integrate regmove pass.
5059 * Makefile.in (OBJS): Add regmove.o
5060 (regmove.o): Add dependencies.
5061 * flow.c (find_use_as_address): No longer static.
5062 * rtl.h (find_use_as_address): Declare.
5063 * toplev.c (regmove_dump, flag_regmove): Define.
5064 (f_options): Add -fregmove.
5065 (regmove_dump_file, regmove_time): Define.
5066 (fatal_insn): Close the regmove dump file.
5067 (compile_file): Initialize regmove_time; open/close the regmove dump
5068 file as needed. Print regmove time as needed.
5069 (rest_of_compilation): Run regmove pass if requested, dump
5070 RTL after regmove if requested.
5071 (main): If -O2 or more, turn on regmove. Handle dump switches.
5072 * regmove.c: New file.
5074 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5076 * Integrate tlink patch from jason@cygnus.com
5077 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5078 (process_command): Increment n_switches for them. Don't discard
5079 their args. Validate them.
5080 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5082 (process_command): Set include_prefixes from COMPILER_PATH.
5083 (main): Set COLLECT_GCC_OPTIONS sooner.
5084 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5085 * tlink.c, hash.c, hash.h: New files.
5086 * Makefile.in (USE_COLLECT2): Always use collect2.
5087 (collect2): Depend on and link in hash.o and tlink.o.
5088 (tlink.o, hash.o): Add dependencies.
5090 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5092 * Integrate alias analysis changes from jfc@mit.edu
5093 * Makefile.in (OBJS): Add alias.o
5094 (alias.o): Add dependencies.
5095 * alias.c: New file.
5096 * sched.c: Remove alias analysis code. It lives in alias.c now.
5097 (sched_analyze_2): Add new arguments to true_dependence.
5098 (schedule_insns): Always call init_alias_analysis.
5099 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5100 mark return value from such functions as a pointer and keep track of
5101 them for alias analysis. If a return value from a function is a
5102 pointer, mark it as such.
5103 * combine.c (distribute_notes): Handle REG_NOALIAS.
5104 * cse.c (struct write_data): Delete. No longer needed.
5105 (invalidate): Don't call set_nonvarying_address_components anymore.
5106 Use true_dependence to decide if an entry should be removed from
5108 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5110 (note_mem_written): Similarly for WRITE_PTR argument.
5111 (invalidate_from_clobbers): Similarly for W argument.
5112 (invalidate_for_call): Remove memory elements from the hash table.
5113 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5114 (cse_rtx_varies_p): New function. Derived from old
5115 cse_rtx_addr_varies_p.
5116 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5117 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5118 pointer if PUSH_ROUNDING is defined. No longer need to call
5119 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5120 (skipped_writes_memory): Remove variable.
5121 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5122 (invalidate_skipped_block): Simplify for new alias analysis code.
5123 (cse_set_around_loop): Likewise.
5124 (cse_main): Call init_alias_analysis.
5125 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5126 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5127 (f_options): Add new alias checking arguments.
5128 (main): Set flag_alias_check when optimizing.
5129 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5131 (memref_referenced_p): Likewise.
5132 * loop.c (NUM_STORES): Increase to 30.
5133 (prescan_loop): Only non-constant calls set unknown_address_altered.
5134 (invariant_p): Add new arguments to true_dependence.
5135 (record_giv): Initialize unrolled and shared fields.
5136 (emit_iv_add_mult): Call record_base_value as needed.
5137 * loop.h (struct induction): Add unrolled and shared fields.
5138 * unroll.c (unroll_loop): Call record_base_value as needed.
5139 (copy_loop_body): Likewise.
5140 (final_biv_value): Likewise.
5141 (final_giv_value): Likewise.
5142 (find_splittable_regs): Likewise. Only create one new pseudo
5143 if we have multiple address GIVs that were combined with the same
5144 dst_reg GIV. Note when a new register is created due to unrolling.
5145 * rtl.c (reg_note_name): Add REG_NOALIAS.
5146 * rtl.h (enum reg_note): Similarly.
5147 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5148 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5149 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5150 (true_dependence, read_dependence, anti_dependence): Likewise.
5151 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5152 (mark_user_reg, mark_reg_pointer): Likewise.
5155 * Integrate reload bugfix from Wilon which enables the PA port
5157 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5158 OPERAND_ADDRESS when computing how many registers an insn needs.
5159 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5161 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5163 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5164 in reload_reg_use_in_op_addr do not reach the end.
5165 do not reach the end.
5166 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5167 RELOAD_FOR_OPERAND_ADDRESS.
5169 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5171 * egcs project officially starts.