1 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2 Undo this change (the problem was actually in reload):
3 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5 * sh.md (movqi_i+1): New peephole.
7 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
9 * jump.c (jump_optimize): Lose calls to modified_in_p they are
10 not needed anymore due to changes elsewhere in jump.c.
12 * jump.c (jump_optimize): Fix first arg to modified_in_p in
15 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
17 * expr.c (expand_builtin_setjmp): Accept two new arguments for
18 the labels to branch to on first and subsequent executions. Don't
19 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
20 and provide it with the jmp_buf. Use only one of
21 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
22 and provide the former with the target label.
23 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
24 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
25 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
26 insn to replace all of the normal nonlocal_goto code. Don't play
27 with __dummy. Correct arguments to nonlocal_goto.
28 * expr.h (expand_builtin_setjmp): Update prototype.
29 * except.c (start_dynamic_handler): When using builtin_setjmp,
30 generate more accurate flow information.
32 * alpha.md (nonlocal_goto_receiver_osf): Delete.
33 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
34 (builtin_longjmp, builtin_setjmp_receiver): New.
35 * sparc.md (update_return): Disambiguate unspec number.
36 (nonlocal_goto): Rearrange arguments to match caller in except.c.
37 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
39 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
40 (builtin_setjmp_setup*, builtin_longjmp): New.
42 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
44 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
46 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
48 * vmsconfig.com: Remove bytecode references.
50 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
52 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
53 -fno-sjlj-exceptions works for a target that defines
54 DWARF2_UNWIND_INFO as zero.
56 * regmove.c (fixup_match_1): Undo last change which removed some
57 "useless" code, and add a comment explaining this.
59 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
61 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
64 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
66 * makefile.vms: Remove bytecode references.
69 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
71 * jump.c (jump_optimize): Allow conditional loading of floating point
72 constants and constants from memory. Reinstalled modified_in_p tests.
74 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
76 * loop.c (get_condition): Handle sign-extended constants.
78 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
80 * expr.c (emit_push_insn): Add code to use movstrti if present.
82 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
83 and movstrqi as in emit_block_move ().
85 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
87 * config/m68k/x-next: Remove /NextDeveloper/Headers from
88 the directories to fixinclude - /usr/include is a link
89 to it and hence its contents are fixed by default.
91 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
93 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
95 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
97 * cccp.c (main): Predefine __VMS_VER on VMS.
99 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
101 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
102 * fold-const.c (size_int): Replace with
104 (make_bit_field_ref): Use bitsize_int for bit position.
105 * stor-layout.c (sizetype): Delete.
106 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
107 (layout_record, layout_union, layout_type):
108 Use bitsize_int for bit size.
109 (set_sizetype): New function.
110 (make_signed_type, make_unsigned_type): Use it.
111 * c-decl.c (init_decl_processing): Likewise.
112 * tree.h (size_int): Don't delcare, #define.
113 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
114 (set_sizetype): Declare.
115 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
117 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
118 Convert result to sizetype.
119 (really_start_incremental_init, push_init_level):
120 Set type of constructor_bit_index to sbitsizetype.
121 (push_init_level): Use unsigned arithmetic to determine padding.
122 (output_init_element): Likewise.
124 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
126 * combine.c (simplify_shift_const): Fix typo in last change.
128 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
130 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
131 is (truncate (lshiftrt)).
133 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
135 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
136 Make sure result winds up in TGT.
137 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
138 src to be other than DImode.
139 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
140 (alpha_expand_unaligned_store_words): Likewise.
141 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
142 that source and destination are separately optimized for alignment.
143 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
145 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
147 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
148 with handling of -32768.
150 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
152 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
153 shell variable argument instead of only hard coded functions.
154 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
156 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
157 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
158 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
159 declarations for bcopy, bcmp and bzero.
161 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
163 * gansidecl.h: If we have bcopy but don't declare it, then do so.
164 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
165 bzero, index and rindex if they aren't already present.
167 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
169 * toplev.c (close_dump_file): Wrap function prototype for
170 argument "func" in PROTO.
171 (dump_rtl): Likewise.
173 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
175 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
177 (output_function_epilogue): Omit epilogue if nothing drops through.
178 (output_move_double): Supress int ldd usage on ultrasparc and v9.
179 (registers_ok_for_ldd_peep): Likewise.
180 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
181 (ultrasparc_adjust_cost): New function.
182 (sparc_issue_rate): New function.
183 * sparc.h (MASK_VIS, TARGET_VIS): New
184 (MASK_V8PLUS, TARGET_V8PLUS): New.
185 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
186 (TARGET_SWITCHES): Add vis and v8plus.
187 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
188 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
189 (RTX_COSTS): Use TARGET_HARD_MUL
190 (ADJUST_COST): Call ultrasparc_adjust_cost.
192 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
193 of load & fp appropritely.
194 (supersparc function units): Adjust for Haifa.
195 (ultrasparc function units): Likewise.
196 (get_pc_via_rdpc): All v9, not just arch64.
197 (movdi_v8plus, movdi_v8plus+1): New.
198 (adddi3_sp32+1): New.
199 (subdi3_sp32+1): New.
200 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
201 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
202 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
203 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
204 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
205 (ldd peepholes): Suppress for v9.
206 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
207 (return_subsi): Revmove.
209 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
211 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
212 save/restore MEM rtl.
214 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
216 * configure.in: Check for declaration of abort.
217 * acconfig.h: Corresponding changes.
218 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
221 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
223 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
226 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
228 * version.c: Bump for snapshot.
230 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
232 * configure.in: Check for atoq and atoll.
233 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
234 proper routine for converting ascii into long long values.
236 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
238 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
240 * vmsconfig.com: Remove bytecode references.
242 * alpha/vms.h (PREFIX): Define.
244 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
246 * am-alpha.h: Don't include alloca for OPEN_VMS.
248 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
250 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
251 (GCC_INCLUDE_DIR): Define
253 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
254 * makefile.vms: New file.
256 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
258 * alpha.c (output_prolog): Output '.name' directive
259 for minimal traceback information.
261 * alpha.c (output_prolog): Don't prepend entry point symbols
262 with '$' on OPEN_VMS.
264 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
265 Jeffrey A Law (law@cygnus.com)
267 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
270 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
272 * genemit.c (gen_exp): Likewise.
273 * genpeep.c (match_rtx): Likewise.
274 * genrecog.c (write_tree_1): Likewise.
276 * c-lex.c (yyprint): Use proper format string based upon
277 disposition of HOST_BITS_PER_WIDE_INT.
278 (yylex): Put casts in right place for args to build_int_2.
280 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
282 * combine.c: Fix typos in Jan27 changes.
284 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
286 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
287 (LINK_SPEC): Likewise.
288 (STARTFILE_SPEC): Likewise.
290 1998-01-28 Mike Stump <mrs@wrs.com>
292 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
294 * genattrtab.c (reload_completed): Define.
296 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
299 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
301 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
302 SUBREG_REG if the word count is unchanged, also in the input reload
303 case. Disable non-applicable sanity checks.
305 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
307 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
309 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
311 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
313 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
315 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
316 is a TREE_VEC before trying to use it for baseclasses.
317 (Chill uses the same field for a different purpose.)
319 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
321 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
323 * config.sub: More accurate determination of HP processor types.
325 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
327 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
328 prototype for `handle_sysv_pragma', and make it static. Add
329 parentheses around assignment used as truth value.
331 * combine.c (combine_instructions): Protect variable `prev' with
333 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
334 (extract_left_shift): Add parentheses around operand of &.
335 (merge_outer_ops): Avoid an empty body in an else-statement.
336 (gen_rtx_combine): Remove unused variable `i'.
338 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
339 function monstartup `void'. Likewise for internal_mcount. Add
340 `static void' prototype for moncontrol. Reconcile sprintf format
343 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
344 Make return type of function_arg_slotno explicitly `int'.
345 (reg_unused_after): Add parentheses around assignment used as
347 (save_regs): Add explicit braces to avoid ambiguous `else'.
348 (function_arg_slotno): Add parentheses around && within ||.
349 (function_arg_pass_by_reference): Likewise.
350 (sparc_flat_output_function_prologue): Reconcile fprintf format
353 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
354 assignment used as truth value.
356 * cplus-dem.c: Include <stdlib.h>.
357 (demangle_signature): Avoid an empty body in an else-statement.
358 (do_type): Remove unused variable `lvl'.
360 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
361 Include <string.h>/<strings.h>.
362 (cpp_lex): Remove unused variable `namelen'.
363 (cpp_lex): Explicitly declare `num_chars' as an int.
365 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
366 <unistd.h> instead. Explicitly declare is_system_include
368 (make_assertion): Remove unused variable `kt'.
369 (cpp_expand_to_buffer): Hide variable `obuf'.
370 (output_line_command): Remove unused variables, `line_end',
371 `line_cmd_buf' and `len'.
372 (macarg): Remove unused variable `arg_start'.
373 (special_symbol): Remove unused variable `i'. Add parentheses
374 around assignment used as truth value.
375 (do_include): Remove unused variables `pcfname' and `retried',
376 hide `pcf' and `pcfbuflimit'.
377 (do_line): Remove unused variable `i'.
378 (finclude): Hide variable `missing_newline'.
379 (cpp_handle_options): Remove unused variable `j'.
380 (read_token_list): Remove unused variable `eofp'.
381 (cpp_error_with_line): Remove unused variable `i'.
382 (cpp_warning_with_line): Likewise.
383 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
384 (cpp_error_from_errno): Remove unused variable `i'.
386 * cse.c (invalidate): Add parentheses around assignment used as
388 (find_best_addr): Move declaration of variable `our_cost' inside
389 the conditional macro where its used.
390 (fold_rtx): Avoid an empty body in an if-statement.
391 (cse_insn): Wrap variables `this_insn_cc0_mode' and
392 `this_insn_cc0' in macro HAVE_cc0.
394 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
395 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
396 (output_uleb128): Likewise.
397 (output_sleb128): Likewise.
398 (output_cfi): Likewise.
399 (output_call_frame_info): Remove unused variables `j', `fde_size'
401 (comp_unit_has_inlines): Hide declaration as per rest of file.
402 (size_of_line_prolog): Correct typo in prototype.
403 (add_arange): Likewise.
404 (output_aranges): Likewise.
405 (add_name_and_src_coords_attributes): Likewise.
406 (gen_array_type_die): Likewise.
407 (gen_inlined_subroutine_die): Likewise.
408 (equate_decl_number_to_die): Remove unused variable `i'.
409 (print_die): Reconcile format vs. args in fprintf's.
410 (print_dwarf_line_table): Likewise.
411 (output_die): Likewise.
412 (output_line_info): Likewise.
413 (add_subscript_info): Avoid an empty body in an else-statement.
414 (gen_subprogram_die): Remove unused variable `fp_loc'.
416 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
417 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
418 macro. Protect `src_coords_attribute' prototype with
419 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
420 prototype as in the rest of the file. Likewise for
421 `output_pointer_type_die' and `output_reference_type_die'. Remove
422 prototype for `type_of_for_scope'.
423 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
424 (type_attribute): Add explicit braces to avoid ambiguous `else'.
426 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
427 (shorten_branches): Protect declaration of tmp_length with
428 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
429 (profile_function): Protect declaration of `sval' and `cxt'
430 variables with appropriate macros.
431 (final_scan_insn): Likewise for `note' variable. Add explicit
432 braces to avoid empty body in an if-statement.
433 (output_asm_insn): Move variable `i' inside macro conditional
434 where it is used. Add parentheses around assignment used as truth
436 (asm_fprintf) Likewise, likewise.
438 * fix-header.c (main): Remove unused variable `done'. Protect
439 declaration of `i' with FIXPROTO_IGNORE_LIST.
441 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
443 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
446 * profile.c: Include <string.h>/<strings.h>.
447 (instrument_arcs): Remove unused variables `note', `inverted',
448 `zero' and `neg_one'.
449 (branch_prob): Avoid empty body in an if-statement.
451 * regclass.c: Include <stdlib.h>.
452 (reg_alternate_class): Explicitly declare parameter `regno'.
454 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
455 parentheses around assignment used as truth value.
456 (find_matches): Remove unused variables `output_operand' and
458 (fixup_match_1): Remove statement with no effect: "if (0) ;".
460 * scan.c (sstring_append): Explicitly declare `count' as int.
461 (scan_string): Explicitly declare parameter `init' as int.
463 * sched.c: Include <stdlib.h>.
464 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
465 (rank_for_schedule): Add parentheses around assignment used as
467 (schedule_block): Likewise.
468 (regno_use_in): Likewise.
469 (schedule_insns): Remove unused variable `i'.
471 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
472 (v_message_with_decl): Remove unused variable `n'.
473 (botch): Explicitly declare parameter `s' as char *.
474 (main): Add parentheses around assignment used as truth value.
476 * tree.c (make_node): Protect the variable `kind' with the
477 GATHER_STATISTICS macro.
478 (real_value_from_int_cst): Move variable `e' inside conditional
479 macro area where it is used.
480 (tree_last): Add parentheses around assignment used as truth value.
481 (build1): Protect the variable `kind' with the GATHER_STATISTICS
483 (print_obstack_statistics): Reconcile format vs. args in fprintf.
484 Protect variables `i', `total_nodes', and `total_bytes' with the
485 GATHER_STATISTICS macro.
487 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
489 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
490 some comments regarding use of dead_or_set_p.
492 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
494 * fixincludes: Tweak fix for struct exception in math.h
496 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
498 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
499 Change mode of registers used to add/sub from
500 hard_frame_pointer_rtx from word_mode to Pmode.
502 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
504 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
505 asm_output_aligned_bss() instead of asm_output_bss().
507 * toplev.c (rest_of_compilation): Replace references to
508 stack_reg_dump_file and dbr_sched_dump_file with references to
511 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
513 * tlink.c (scan_linker_output): Call fclose() for opened files.
515 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
517 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
518 compiling with -fpic -- we want to be able to override symbols
520 (alpha_expand_block_move): Fix thinko in last change.
522 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
523 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
524 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
526 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
528 * alpha.md (abssf, absdf): Revert last change.
530 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
532 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
533 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
535 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
537 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
538 a CONST_INT into SFmode.
540 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
542 * flags.h: New flag (optimize_size).
543 * toplev.c (main): Parse -Os option and set optimize_space
545 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
546 __OPTIMIZE_SIZE__ when compiling with -Os.
547 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
548 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
549 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
551 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
553 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
555 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
556 stuff only if MCT_TEXT is #define'd.
558 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
560 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
563 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
565 * toplev.c: Add -dM command line option to dump RTL after the
566 machine dependent reorganisation pass, if there is one.
567 Reorganise RTL dump code, so that only one file handle is
570 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
572 * except.c (check_exception_handler_labels): Disable warning when
575 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
577 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
579 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
581 * c-decl.c (grokdeclarator): Get parameter tags from
582 last_function_parm_tags.
583 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
584 traversing the parameter types.
585 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
587 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
589 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
591 (get_shift_alg): Fix typo.
593 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
595 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
597 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
599 * toplev.c (get_run_time): Make sure each case gets its variables.
601 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
603 * configure.in (build_xm_file): Add auto-config.h if host=build.
604 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
605 (build_xm_file_list): Likewise.
606 * configure: Rebuild.
608 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
610 * recog.c (validate_replace_rtx_1): Only perform substitutions
611 of arguments to commutative and comparison operators once.
613 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
615 * sparc.c (output_cbranch): Add default case in
618 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
619 (emit_delay_sequence): Eliminate unused parameter, all callers
621 (fill_simple_delay_slots): Likewise.
622 (fill_slots_from_thread): Likewise.
623 (fill_eager_delay_slots): Likewise.
624 (mark_referenced_resources): Add default case in enumeration switch.
625 (mark_set_resources): Likewise.
626 (rare_destination): Likewise.
627 (mostly_true_jump): Likewise.
628 (find_dead_or_set_registers): Likewise.
629 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
630 (update_reg_unused_notes): Remove unused variable `p'.
631 (mark_target_live_regs): Remove unused variables `next' and
633 (fill_simple_delay_slots): Remove unused variable `j'.
634 (fill_slots_from_thread): Add parentheses around assignment used
636 (dbr_schedule): Likewise.
638 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
639 (objc.stage2, objc.stage3, objc.stage4): Likewise.
641 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
643 * cse.c (simplify_ternary_operation): Don't try to simplify
644 IF_THEN_ELSE expressions (created by combine) that don't use
645 relational operators.
647 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
649 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
652 * crtstuff.c (init_dummy): Keep the epilogue in the init
653 section for non-ELF systems.
655 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
657 * sh.md (movqi_i+1): New peephole.
659 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
661 * Makefile.in: Remove remaining bytecode stuff.
662 * emit-rtl.c, expr.c: Likewise.
664 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
666 * toplev.c (lang_options): Add unknown-pragma options.
668 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
670 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
671 special (and incomplete) handling for Chill arrays.
673 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
675 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
678 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
680 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
682 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
684 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
685 .frame directive instead of FRAME_POINTER_REGNUM.
687 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
689 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
690 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
691 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
692 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
693 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
694 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
695 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
696 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
698 * longlong.h: Replace __mc68332__ with __mcpu32__.
700 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
702 * version.c: Bump for snapshot.
704 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
706 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
707 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
708 * reload1.c (eliminate_regs): Likewise.
710 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
712 * regmove.c (find_matches): Initialize matches->earlyclobber too.
714 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
716 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
717 (negsf2, negdf2): Use proper subtract in IEEE mode.
719 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
721 * Makefile.in: Remove more bytecode stuff.
722 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
723 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
724 * f/install.texi, objc/Make-lang.in: Likewise.
726 * Makefile.in: Remove all bytecode support.
727 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
728 * emit-rtl.c: Remove all bytecode support.
729 * expr.c, expr.h function.c, integrate.c: Likewise.
730 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
731 * tree.h, varasm.c: Likewise.
732 * config/m68k/m68k.h: Likewise.
733 * bi-*, bc-*, bytecode*: Delete bytecode related files.
734 * modemap.def: Likewise.
736 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
738 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
739 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
741 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
743 * i386.md (push): Prohibit symbolic constants if flag_pic.
744 (movsi+1): Likewise for move to non-register.
746 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
748 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
749 (print_operand): Handle 0xffffffff on 32 bit host.
751 * configure.in (thread_file): Rename uses before main loop to
752 target_thread_file. Initialize to empty in main loop. Set thread_file
753 to target_thread_file after main loop if not set.
754 * configure: Rebuild.
756 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
757 (add_values_to_cover): Revert last change (which had no ChangeLog
759 (simplify_with_current_value_aux): Handle CONST_INT.
761 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
763 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
765 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
767 * configure.in: Add cpp stringify test.
768 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
769 * gengenrtl.c: Use it.
770 * configure, config.in: Rebuild.
772 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
774 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
776 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
778 * configure.in: Find declaration for sbrk.
779 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
780 * config.in, configure: Rebuild.
781 * mips-tfile.c: Properly protect declaration of sbrk and free.
782 * toplev.c: Properly protect declaration of sbrk.
784 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
786 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
788 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
790 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
792 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
794 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
796 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
798 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
799 constant offset computations from objects with known alignment in
800 the presence of STACK_BIAS.
802 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
804 (const_hash): Hash val is unsigned long.
807 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
809 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
810 char pointer, not HOST_WIDE_INT.
811 (print_node): Likewise. Also hash is unsigned long not
814 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
816 * explow.c (optimize_save_area_alloca): New function for targets
817 where SETJMP_VIA_SAVE_AREA is true.
818 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
819 compute the amount of stack space needed should we find later that
820 setjmp is never called by this function, stuff rtl for this inside
821 a REG_NOTE of the final SET of stack_pointer_rtx.
822 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
823 current_function_calls_alloca, call optimize_save_area_alloca.
825 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
827 * i386.md: Remove redundant integer push patterns.
828 Don't bother checking for TARGET_PUSH_MEMORY when
829 pushing constants or registers.
831 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
832 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
834 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
835 (pwait): New function for mingw32.
837 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
838 pipe support is broken for now.
840 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
842 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
843 between frame_pointer_rtx, hard_frame_pointer_rtx, and
844 arg_pointer_rtx is respected in initialization.
845 (init_emit_once): Use gen_rtx_raw_REG() to create
846 return_address_pointer_rtx.
848 * reorg.c: #include "expr.h" for rtx prototypes.
849 * Makefile.in (reorg.o): Depend on expr.h
851 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
853 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
854 local_prefix to sub-make invocations.
856 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
858 * objc-parse.c: Recognize protocol qualifiers in class definitions.
860 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
864 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
865 * configure.in: Check for atol.
866 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
868 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
870 * loop.c (find_and_verify_loops): When attempting to move insns from
871 inside the loop outside the loop, create a BARRIER if no suitable
874 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
875 favor of an equivalent change from gcc-2.8.
877 * i386/x-sco5 (CC): Remove trailing whitespace.
879 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
881 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
882 (accessor_from_format): Likewise.
883 (xmalloc): New function for use when linking with alloca.o.
885 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
887 * frame.c (find_fde): Correct FDE's upper bound.
889 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
891 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
893 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
895 * calls.c (expand_call): Move #ifdef code out of macro argument
897 (emit_library_call, emit_library_call_value): Likewise.
899 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
901 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
903 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
905 * version.c: Bump for snapshot.
907 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
909 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
910 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
911 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
912 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
913 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
914 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
915 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
916 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
917 * unroll.c, varasm.c: Likewise.
918 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
920 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
922 * mips.h: Fix some type-o's from a previous change.
924 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
926 * loop.c (check_dbra_loop): Make sure initial value is a
927 CONST_INT before trying to normalize it.
929 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
931 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
933 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
935 * cppexp.c: Include gansidecl.h
937 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
939 * svr4.h (LINK_SPEC): Never specify -h.
940 * ptx4.h (LINK_SPEC): Likewise.
941 * rs6000/sysv4.h (LINK_SPEC): Likewise.
942 * sparc/sol2.h (LINK_SPEC): Likewise.
944 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
946 * c-typeck.c (comptypes): Exit early on NULL input.
948 * haifa-sched.c (schedule_insns): Correctly remove inter-block
949 dependencies after reload.
951 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
953 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
955 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
957 * alpha/vms.h (DIR_SEPARATOR): define
959 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
961 * Makefile.in (stamp-proto): Remove.
962 (protoize.o, unprotoize.o): Straightforward compile.
963 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
965 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
967 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
968 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
970 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
972 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
973 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
974 * sparc/netbsd.h, vax/netbsd.h: Likewise.
976 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
978 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
980 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
982 * configure.in (target_cpu_default, target_cpu_default2): Use double
983 quotes around them when testing their value.
984 * configure: Rebuilt.
986 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
988 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
990 (gendef): Call obstack_alloc_rtx.
992 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
994 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
997 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
999 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1000 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1001 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1003 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1005 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1007 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1009 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1012 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1014 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1015 suffix from operand 3.
1017 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1018 Jeffrey A Law (law@cygnus.com)
1020 * regmove.c: New implementation of regmove pass.
1021 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1022 decls, make them have external linkage. Return a value from
1023 optimize_reg_copy_1.
1024 * reload.h (count_occurrences): Add decl.
1025 * reload1.c (count_occurrences): Delete decl, make it have external
1027 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1029 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1031 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1032 if it is not defined.
1034 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1036 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1037 * emit-rtl.c (gen_rtx): Move special code to ...
1038 (gen_rtx_CONST_INT): New function.
1039 (gen_rtx_REG): New function.
1040 (*): Update all calls to gen_rtx.
1041 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1042 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1043 (GEN_INT): Call gen_rtx_CONST_INT.
1044 * gengenrtl.c: New file.
1046 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1048 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1049 (base_alias_check): If no base found for address call canon_rtx and
1052 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1054 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1055 arguments for mips16.
1056 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1057 Don't lose if tsize is zero after handling large stack for mips16.
1058 * mips.md (return): For trivial return, return address is in $31.
1060 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1062 * mips/mips16.S: Various changes to make it work with -msingle-float
1065 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1066 Ian Lance Taylor <ian@cygnus.com>
1067 Jeff Law <law@cygnus.com>
1069 * mips.c, mips.h, mips.md: First cut at merging in mips16
1070 support. Major modifications throughout all three files.
1072 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1074 * configure.in: Make gthr-default.h a forwarding header instead of
1077 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1079 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1081 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1083 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1084 Jeffrey A Law (law@cygnus.com)
1086 * crtstuff.c (__frame_dummy): New function for irix6.
1087 (__do_global_ctors): Call __frame_dummy for irix6.
1088 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1090 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1092 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1094 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1096 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1097 for __builtin_memset.
1098 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1099 not INTEGER_CST. Assert arg 3 is a constant.
1101 * alpha.c (mode_width_operand): Accept 64-bit modes.
1102 (mode_mask_operand): Likewise.
1103 (print_operand): Likewise for 'M' and 'U' codes.
1104 (alpha_expand_unaligned_load): New function.
1105 (alpha_expand_unaligned_store): Likewise.
1106 (alpha_expand_unaligned_load_words): Likewise.
1107 (alpha_expand_unaligned_store_words): Likewise.
1108 (alpha_expand_block_move): Likewise.
1109 (alpha_expand_block_clear): Likewise.
1110 * alpha.h (MOVE_RATIO): New define.
1111 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1112 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1114 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1115 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1117 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1119 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1120 * configure: Update.
1122 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1124 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1125 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1127 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1130 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1132 * configure.in: Set and subsitute host_exeext. Use it when creating
1133 the assembler and linker symlinks.
1134 * configure: Rebuild.
1135 * Makefile.in (exeext): Set to @host_exeext@.
1136 (build_exeext): New variable, set to @build_exeext@.
1137 (FLAGS_TO_PASS): Pass down build_exeext.
1138 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1141 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1143 * mn10200.md (addsi3, subsi3): Fix thinkos.
1145 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1147 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1148 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1149 unix always, since we want to be able to thunk to functions in a
1150 shared library from an application.
1152 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1154 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1155 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1157 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1159 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1160 offset's mode is not ptr_mode, convert it.
1162 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1164 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1165 compiling if it was already defined.
1167 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1169 * flow.c (find_basic_blocks): Don't create a new basic block
1170 for calls in a LIBCALL block.
1172 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1174 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1176 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1178 * cse.c (rtx_cost): Remove conflicting default case.
1180 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1182 * configure.in: Move default enabling of Haifa out of for loop.
1183 * configure: Rebuild.
1185 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1187 * version.c: Bump for snapshot.
1189 1997-12-25 Teemu Torma <tot@trema.com>
1191 * Makefile.in (GTHREAD_FLAGS): New var.
1192 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1193 (distclean): Remove gthr-default.h.
1195 * configure.in: Accept dce as a thread package.
1196 Check for thread.h and pthread.h.
1197 Link gthr-default.h to appropriate thread file and set
1199 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1200 include multilib definitions from pa/t-dce-thr.
1201 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1202 pthread.h is found, preferring posix threads over solaris ones.
1204 * config/pa/t-dce-thr: New file.
1205 * config/pa/t-pa: Removed multilibs.
1206 * config/sparc/t-sol2: Ditto.
1209 * gthr-single.h: New file.
1210 * gthr-posix.h: New file.
1211 * gthr-solaris.h: New file.
1212 * gthr-dce.h: New file.
1213 * libgcc-thr.h: Removed.
1214 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1216 * frame.c: Include gthr.h instead of libgcc-thr.h.
1217 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1218 (eh_context_initialize): If __gthread_once fails, use static eh
1220 (eh_context_free): Call __gthread_key_dtor.
1222 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1224 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1226 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1228 * cse.c (max_insn_uid): New variable.
1229 (cse_around_loop): Use max_insn_uid.
1230 (cse_main): Set max_insn_uid.
1232 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1233 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1234 -mlong64, and -mgp{32,64} options.
1235 * mips.c (mips_abi): Change type to int.
1236 * mips.h (enum mips_abi_type): Delete.
1237 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1238 (mips_abi): Change type to int.
1240 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1242 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1243 optimization is now always enabled.
1245 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1248 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1250 (*_dependence): Call canon_rtx before base_alias_check.
1251 (init_alias_once): New function to precompute set of registers which
1252 can hold Pmode function arguments.
1254 * rtl.h: Declare init_alias_once.
1256 * toplev.c (compile_file): Call init_alias_once.
1258 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1260 * tree.c (restore_tree_status): Do not dereference a null pointer.
1262 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1264 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1265 RLIMIT_STACK. This maintains consistency with the recent, similar
1266 patch to cccp.c and toplev.c.
1268 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1270 * genattrtab.c (expand_units): For large nr opclasses, expand
1271 function_units_used with ORX to prevent blowups. Tag with FFS.
1272 (num_unit_opclasses): New variable.
1273 (gen_unit): Update it.
1274 (enum operator): Add ORX_OP.
1275 (operate_exp): Treat ORX as or, except don't expand across an if.
1276 Reuse number rtx's after operating on them.
1277 (check_attr_value): Accept IOR, AND, & FFS.
1278 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1279 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1280 (write_expr_attr_cache, write_toplevel_expr): New functions.
1281 (write_attr_get): Handle FFS-tagged expressions.
1282 (make_canonical): Don't expand const attributes.
1283 (convert_const_symbol_ref): Dike out.
1284 (evaluate_eq_attr): Handle SYMBOL_REF.
1285 (main): Don't emit get_attr_foo for const attributes.
1287 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1288 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1289 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1290 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1291 combining function units where possible.
1292 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1293 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1294 (attr "opsize"): New attribute.
1295 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1296 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1297 to control register allocation.
1298 (movsi2-1, movdi2-1): Likewise.
1300 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1302 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1303 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1304 Move OSF/1 specific defines out.
1305 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1306 Move Linux specific defines out.
1307 (LINK_SPEC): Genericize.
1308 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1309 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1310 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1311 (HANDLE_SYSV_PRAGMA): Define.
1312 * alpha/osf.h: New file.
1313 * alpha/linux.h: Split. Retain file-format independant defines.
1314 Import Linux bits from elf.h.
1315 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1316 (FUNCTION_PROFILER): _mcount takes its address in $28.
1317 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1318 * alpha/linux-ecoff.h: New file.
1319 * alpha/linux-elf.h: New file.
1320 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1321 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1322 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1323 Add new headers as appropriate.
1325 * configure.in (alpha*): Enable Haifa by default.
1326 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1327 * configure: Rebuild.
1329 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1331 * Makefile.in (clean): Remove the stages with their objects here ...
1332 (distclean): ... instead of here.
1334 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1336 * cse.c (rtx_cost): Add default case in enumeration switch.
1337 * fix-header.c (recognized_macro): Likewise.
1338 (recognized_extern): Likewise.
1339 (write_rbrac): Likewise.
1340 * objc/objc-act.c (encode_aggregate): Likewise.
1341 (gen_declarator): Likewise.
1342 (gen_declspecs): Likewise.
1344 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1346 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1347 case where we kill more regs after sched than were killed before
1349 * sched.c (create_reg_dead_note): Similarly.
1351 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1353 * c-pragma.c: Include flags.h.
1355 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1357 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1358 about system headers.
1359 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1360 and also to resolve symbols in prefix.c.
1362 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1363 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1364 when the definitions in auto-config.h is not visible.
1365 (HAVE_BZERO): Likewise.
1366 (HAVE_BCMP): Likewise.
1367 (HAVE_RINDEX): Likewise.
1368 (HAVE_INDEX): Likewise.
1370 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1372 * pa.c (emit_move_sequence): Handle a function label source
1375 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1377 * c-pragma.c (handle_pragma_token): Generate warning messages
1378 about unknown pragmas if warn_unknown_pragmas is set.
1380 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1381 line option to set variable: warn_unknown_pragmas.
1383 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1385 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1387 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1389 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1391 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1392 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1393 generate more fine grained floating point emulation libraries.
1394 * config/fp-bit.c: Add protecting #ifdef to all functions so
1395 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1396 then compile all suitable functions.
1397 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1398 underscores to avoid namespace pollution.
1399 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1401 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1405 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 Jeff Law <law@cygnus.com>
1408 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1410 * c-decl.c (finish_decl): Use parentheses around && within ||.
1411 * rtl.c: Include stdlib.h.
1412 (read_skip_spaces): Add parentheses around assignments used as
1414 (read_rtx): Initialize list_rtx.
1415 * cppexp.c (parse_number): Use || when operands are truth values.
1416 * alias.c (find_base_value): Add default case.
1417 (memrefs_conflict): Likewise.
1418 * combine.c (sets_function_arg_p): Likewise.
1419 * genemit.c (gen_exp): Likewise.
1420 * local-alloc.c (contains_replace_regs): Likewise.
1421 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1422 * fold-const.c (fold_convert): Use "&&" for truth values.
1423 (fold): Add default case.
1424 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1425 (sdbout_one_type): Add default case.
1426 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1427 (some_operand): Add default case.
1428 (input_operand): Likewise.
1429 (signed_comparison_operator): Likewise.
1430 (divmod_operator): Likewise.
1431 (alpha_set_memflags_1): Likewise.
1432 * reload1.c (reload_cse_simplify_operands): Ensure function
1433 always returns a value.
1434 * scan-decls.c (scan_decls): Likewise.
1435 * c-lex.c (skip_white_space): Fix typo in declaraion.
1436 * c-typeck.c (comp_target_types): Add parentheses around assignment
1437 used as truth value.
1438 (print_spelling): Likewise.
1439 (constructor_implicit, constructor_result): Remove unused variables.
1440 * collect2.c (scan_library): Protect prototype with
1441 #ifdef SCAN_LIBRARIES.
1442 * emit-rtl.c (find_line_note): Fix typo in declaration.
1443 * final.c (asm_insn_count): Protect prototype with
1444 #ifdef HAVE_ATTR_length.
1445 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1446 (try_pre_increment_1, try_pre_increment): Likewise.
1447 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1448 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1449 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1450 unsigned/signed comparisons.
1451 * gcov.c (read_files): Remove unused "first_type" variable.
1452 (scan _for_source_files): Initialize s_ptr.
1453 (function_summary): Eliminate "%lf" formatting, use %ld for
1455 (output_data): Initialize branch_probs and last_line_num.
1456 Eliminate "%lf" formatting, use "%ld" for longs.
1458 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1460 * mips16.S: New file.
1462 * libgcc2.c (varargs): Handle mips16.
1464 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1466 * stmt.c (expand_end_case): Likewise.
1467 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1468 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1469 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1471 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1473 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1474 the build directory.
1475 (libobjc.a): Update dependency list.
1476 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1478 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1479 (objc.mostlyclean): Remove runtime-info.h.
1481 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1483 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1484 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1485 * dwarf2out.c (add_subscript_info): Likewise.
1486 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1487 * sdbout.c (plain_type_1): Likewise.
1488 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1490 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1493 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1495 * mips.c (fatal): Remove declaration.
1497 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1499 * integrate.c (get_label_from_map): New function.
1500 (expand_inline_function): Use it. Initialize the label_map to
1501 NULL_RTX instead of gen_label_rtx.
1502 (copy_rtx_and_substitute): Use get_label_from_map.
1503 * integrate.h (get_label_from_map): New function.
1504 (set_label_from_map): New macro.
1505 * unroll.c (unroll_loop): Use them.
1506 (copy_loop_body): Ditto.
1508 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1510 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1511 (INIT_TARGET_OPTABS): Define.
1512 * mips/ecoff.h: Include gofast.h before mips.h.
1513 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1514 * mips/elf64.h: Likewise.
1515 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1517 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1519 * except.c: Remove register_exception_table{,_p}.
1521 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1523 * unroll.c (calculate_giv_inc): Handle constant increment found in
1524 a MEM with an appropriate REG_EQUAL note.
1526 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1528 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1529 frame pointer in the prologue.
1531 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1533 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1534 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1536 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1538 * config/m68k/m68k.c (output_function_prologue): Typecast
1539 dwarf2out_cfi_label to (char *).
1540 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1542 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1544 * sparc.md (jump): Don't use the annul bit around an empty loop.
1545 Patch from Kevin.Kelly@East.Sun.COM.
1547 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1549 * jump.c: (jump_optimize): Don't use the return register as a
1550 source1 of a conditional move.
1552 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1554 * sparc.c (DF_MODES): Or the mask not the bit number.
1555 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1557 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1559 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1561 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1563 * fixincludes (size_t): Add support for Motorola's stdlib.h
1564 which fails to provide a definition for size_t.
1565 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1566 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1567 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1569 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1570 prevent unresolved externals in libio.
1571 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1573 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1575 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1576 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1577 (LIB_SPEC): Updated for glibc 2.
1579 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1581 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1582 * ginclude/varargs.h: Likewise.
1584 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1586 * version.c: Bump for snapshot.
1588 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1590 * frame.h (__register_frame, __register_frame_table,
1591 __deregister_frame): New.
1592 * frame.c (__register_frame, __register_frame_table,
1593 __deregister_frame): New.
1594 * frame.c (__deregister_frame_info): Return void *.
1595 * frame.h (__deregister_frame_info): Ditto.
1596 * collect2.c (__deregister_frame_info): Ditto.
1598 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1600 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1602 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1604 * alpha.c (alpha_cpu_name): New variable.
1605 (alpha_mlat_string): Likewise.
1606 (alpha_memory_latency): Likewise.
1607 (override_options): Handle -mmemory-latency.
1608 (alpha_adjust_cost): Adjust load cost for latency.
1609 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1610 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1611 TARGET_CIX into account.
1612 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1613 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1615 * alpha.h (ASM_COMMENT_START): New macro.
1617 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1619 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1620 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1622 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1623 SUBREG_REG if the word count is unchanged.
1624 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1625 subregs of identical word size for push_reload.
1627 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1629 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1630 if all we're doing is dealing with -Wreturn-type.
1632 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1634 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1635 Use and 255 instead of zapnot 1, since it schedules better.
1637 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1639 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1642 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1644 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1645 dependency we delete. Properly update prev for multiple consecutive
1647 (priority): Skip deleted dependence.
1649 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1651 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1653 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1655 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1656 determining when a new basic block starts.
1658 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1660 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1661 * pa.md (iorsi3): Add missing args to *_operand calls.
1663 * except.c (call_get_eh_context): Don't mess with sequences.
1664 (emit_eh_context): Include the call in the sequence here.
1666 1997-12-11 Paul Eggert <eggert@twinsun.com>
1668 * collect2.c (write_c_file_glob): Allocate initial frame object
1669 in static storage and pass its address.
1671 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1673 * except.c (call_get_eh_context): Don't take a parm.
1674 Put the call at the top of the function.
1675 (emit_eh_context): Adjust.
1676 (get_eh_context): Replace with former use_eh_context.
1677 (get_eh_context_once, get_saved_pc_ref): Remove.
1678 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1680 * integrate.c (expand_inline_function): Adjust.
1681 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1683 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1685 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1686 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1688 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1690 * fixincludes (strlen,strspn,strcspn return value): Handle different
1692 (hypot): Provide a fake for hypot which is broken on
1693 m88k-motorola-sysv3.
1695 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1697 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1698 tree_code_name from pointers to arrays.
1699 * tree.c: Remove standard_tree_code_* variables, no longer used.
1700 * print-tree.c: Remove declaration of tree_code_name.
1702 * cp/lex.c (init_lex): Update for tree_code_* changes.
1703 * objc/objc-act.c (init_objc): Likewise.
1705 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1708 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1710 * config.sub: Add support for BeOS target.
1711 * configure.in: Likewise.
1712 * ginclude/stdarg.h: Likewise.
1713 * ginclude/stddef.h: Likewise.
1714 * ginclude/varargs.h: Likewise.
1715 * rs6000/beos.h: New file for BeOS.
1716 * rs6000/t-beos: Likewise.
1717 * rs6000/x-beos: Likewise.
1718 * rs6000/xm-beos.h: Likewise.
1719 * toplev.c (get_run_time): Just return 0 on BeOS.
1721 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1722 Toon Moene (toon@moene.indiv.nluug.nl)
1724 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1725 old and broken Sun3 assemblers. Newer versions handle large
1726 offsets correctly as does the GNU assembler.
1728 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1730 * objc/objc-act.c (lang_report_error_function): Disable.
1731 * objc/objc-parse.y: Include "output.h".
1732 (yyerror): Remove redundant decl.
1733 (yyprint): Fix prototype.
1734 (apply_args_register_offset): Remove redundant decl.
1735 (get_file_function_name): Likewise.
1737 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1739 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1741 (find_basic_blocks_1): Likewise.
1743 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1745 * except.c (use_eh_context): Don't copy_rtx a REG.
1746 (emit_throw): Lose old unwinder support.
1747 (expand_internal_throw): Likewise.
1748 * libgcc2.c (struct eh_context): Likewise.
1749 (new_eh_context): Likewise.
1750 (__get_eh_info): Lose redundant cast.
1751 (__get_dynamic_handler_chain): Likewise.
1752 (__get_saved_pc): Lose.
1753 Lose all old unwinder support code.
1755 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1757 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1759 * integrate.c (expand_inline_function): If the inline fn uses eh
1760 context, make sure that the current fn has one.
1761 * toplev.c (rest_of_compilation): Call emit_eh_context.
1762 * except.c (use_eh_context): New fn.
1763 (get_eh_context_once): New fn.
1764 (call_get_eh_context): New fn.
1765 (emit_eh_context): New fn.
1766 (get_eh_context): Call either get_eh_context_once or
1767 call_get_eh_context, depending on what we have.
1768 (get_dynamic_handler_chain): Call get_eh_context_once.
1769 * except.h: Prototypes for fns above.
1770 * optabs.c (get_eh_context_libfunc): Removed.
1771 (init_optabs): Don't initialize it.
1772 * expr.h (get_eh_context_libfunc): Removed.
1773 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1774 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1775 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1776 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1777 New multilib for -threads.
1778 * config/sparc/t-sol2: Added multilibs for -threads and
1779 made -pthreads alias to it.
1780 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1781 Added -threads and -pthreads options.
1782 * libgcc-thr.h: New file.
1783 * libgcc2.c: (__get_cpp_eh_context): Removed.
1784 (struct cpp_eh_context): Removed.
1785 (struct eh_context): Replaced cpp_eh_context with generic language
1787 (__get_eh_info): New function.
1788 (__throw): Check eh_context::info.
1790 * libgcc2.c: Include libgcc-thr.h.
1791 (new_eh_context, __get_eh_context,
1792 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1793 eh_context_specific, eh_context_free): New functions.
1794 (get_eh_context, eh_context_key): New variables.
1795 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1796 get_eh_context to get the context.
1797 (longjmp): Move the declaration inside
1798 #ifdef DONT_USE_BUILTIN_SETJMP.
1799 * frame.c: Include libgcc-thr.h.
1800 (object_mutex): Mutex to protect the object list.
1801 (find_fde, __register_frame, __register_frame_table,
1802 __deregister_frame): Hold the lock while accessing objects.
1803 * except.h (get_eh_context): Declare.
1804 * except.c (current_function_ehc): Define.
1805 (current_function_dhc, current_function_dcc): Removed.
1806 (get_eh_context): New function.
1807 (get_dynamic_handler_chain): Use get_eh_context.
1808 (get_saved_pc_ref): Ditto.
1809 (get_dynamic_cleanup_chain): Removed references to
1810 current_function_dcc.
1811 (save_eh_status, restore_eh_status): Save and restore
1812 current_function_ehc instead.
1813 * optabs.c (get_eh_context_libfunc): New variable.
1814 (init_optabs): Initialize it.
1815 * expr.h: Declare get_eh_context_libfunc.
1816 * function.h (struct function): Replaced dhc and dcc with ehc.
1817 * except.c (get_saved_pc_ref): New functions.
1818 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1819 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1821 (end_eh_unwinder): Likewise.
1822 (init_eh): Remove initialization of eh_saved_pc.
1823 * optabs.c (get_saved_pc_libfunc): New variable.
1824 (init_optabs): Initialize it.
1825 * expr.h: Declare get_saved_pc_libfunc.
1826 * except.h (eh_saved_pc_rtx): Deleted.
1827 (get_saved_pc_ref): Declared.
1829 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1830 * libgcc2.c (__get_saved_pc): New.
1831 (__eh_type, __eh_pc): Deleted.
1832 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1833 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1836 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1838 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1839 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1842 * rtl.h (global_rtl): New variable, replacing separate variables for
1844 (const_int_rtx): Now array of rtx_def, not rtx.
1845 * emit-rtl.c: Update for new rtl data structures.
1846 * genattrtab.c: Define global_rtl.
1848 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1850 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1853 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1855 * crtstuff.c (__do_global_ctors): Fix typo.
1857 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1859 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1860 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1862 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1864 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1865 * rs6000.c (function_arg_padding): New function.
1867 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1869 * m68k.c: Include tree.h only once.
1871 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1873 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1875 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1877 * Partially cleaned up prototyping code from HJ.
1878 * tree.h: Add many prototypes.
1879 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1880 All references changed.
1881 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1883 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1885 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1886 string functions like strlen.
1888 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1890 * configure.in: Check for functions getrlimit and setrlimit.
1891 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1892 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1894 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1896 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1898 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1900 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1903 * alpha.c (override_options): Don't know about scheduling for EV6.
1904 * alpha.md (ev5 function units): Don't overload as ev6.
1906 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1907 * alpha.md (define_attr type): Add mvi.
1908 (ev5_e0): Define sceduling parameters for it.
1909 (TARGET_MAX insns): Type is mvi not shift.
1911 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1913 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1915 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1917 * cstamp-h, auto-config.h: Delete.
1919 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1921 * version.c: Bump for snapshot.
1923 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1925 * cccp.c: Fix typo brought over in merge.
1927 * Merge in changes from gcc-2.8.
1929 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1931 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1933 * gcc.c (process_command): Do not take address of function fatal when
1934 calling lang_specific_driver.
1936 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1938 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1939 doesn't work with it yet, so set it to 0.
1940 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1942 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1944 * cse.c (cse_insn): Check for invalid entries when taking references.
1946 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1948 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1949 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1950 * toplev.c (rest_of_compilation): Pass it. Remove code to
1951 save / clear / restore flag_unroll_{,all_}loops.
1953 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1955 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1957 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1959 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1961 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1963 * except.c (get_dynamic_handler_chain): Only make the call once per
1966 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1968 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1970 * sh.c (final_prescan_insn): Use local label prefix
1971 when emitting .uses pseudo-ops.
1973 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1975 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1976 * except.c: Lose outer_context_label_stack.
1977 (expand_eh_region_end): Rethrow from outer_context here.
1978 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1979 (expand_internal_throw): Take no args.
1980 (expand_internal_throw_indirect): Lose.
1981 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1982 (expand_start_all_catch): Start a rethrow region.
1983 (expand_end_all_catch): End it.
1984 (expand_rethrow): New fn.
1985 * except.h: Reflect above changes.
1986 * flow.c: Revert change of Nov 27.
1988 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1990 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1992 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1994 * except.c (expand_fixup_region_end): New fn.
1995 (expand_fixup_region_start): Likewise.
1996 (expand_eh_region_start_tree): Store cleanup into finalization here.
1997 * stmt.c (expand_cleanups): Use them to protect fixups.
1999 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2001 * mips/mips.md (muldi3_r4000): Broaden the output template
2002 and attribute assignments to handle three operand dmult;
2003 rename to muldi3_internal2.
2004 (muldi3): Call the new muldi3_internal2 for R4000, and
2005 any GENERATE_MULT3 chip.
2007 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2009 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2011 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2013 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2014 with a dest_reg that was created by loop.
2016 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2018 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2020 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2022 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2024 * configure.in: Fix NCR entries.
2026 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2028 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2029 nested exceptions correctly.
2031 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2032 that was created by loop.
2034 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2036 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2038 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2040 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2042 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2043 (print_operand): Use SMALL_DATA_REG for the register involved in
2044 small data relocations.
2045 (print_operand_address): Ditto.
2047 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2048 -dynamic linker is not used.
2050 * rs6000.md (call insns): For local calls, use @local suffix under
2051 System V. Don't use @plt under Solaris.
2053 * rs6000.c (output_function_profiler): Put label address in r0, and
2054 store LR in 4(sp) for System V/eabi.
2056 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2057 byte boundary, and maintain stack backchain.
2059 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2061 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2062 fix_truncsfdi2): Change *.
2064 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2066 * toplev.c (main): Complain about -gdwarfn.
2068 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2070 * dwarfout.c (output_type): If finalizing, write out nested types
2071 of types we've already written.
2073 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2075 (patches originally from Geoffrey Keating)
2076 * rs6000.c (function_arg): Excess floating point arguments don't
2077 go into GPR registers after exhausting FP registers under the
2079 (function_arg_partial_nregs): Ditto.
2081 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2084 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2086 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2088 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2090 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2093 * libgcc2.c (__throw): Initialize HANDLER.
2095 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2097 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2098 fix_truncsfdi2): Change *X to ?*X.
2100 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2102 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2104 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2106 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2108 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2110 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2112 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2114 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2115 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2118 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2120 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2121 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2122 gas and not using the new HP assembler.
2124 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2126 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2127 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2129 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2131 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2132 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2135 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2137 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2139 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2141 * except.h: Add outer_context_label_stack.
2142 * except.c: Likewise.
2143 (expand_start_all_catch): Push the outer_context for the try block
2144 onto outer_context_label_stack.
2145 (expand_end_all_catch): Use it and pop it.
2147 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2149 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2151 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2153 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2155 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2157 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2158 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2160 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2162 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2163 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2164 __builtin_delete, and __builtin_vec_delete.
2166 * except.c (output_exception_table): Don't bother with
2169 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2171 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2172 is an in/out operand.
2173 (zero extended variants of stwm/stwm patterns): Similarly.
2175 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2177 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2179 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2181 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2182 (output_call_frame_info): Emit a \n after using it.
2184 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2186 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2188 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2190 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2191 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2192 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2194 (output_call_frame_info): Do not output forward label differences
2195 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2196 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2198 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2200 * sh.md (attribute "type"): Add nil.
2201 (movsi_ie): y/y alternative is type nil.
2202 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2204 (movsf_ie+1): Delete.
2206 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2208 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2209 large_int, emit two insns instead of one splitable insn.
2210 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2211 from cfa_temp_value, use cfa_offset. Add assert checking that
2214 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2216 * cccp.c (deps_output): Properly quote file names for make.
2218 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2220 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2222 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2224 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2226 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2228 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2230 (cse_end_of_basic_block): Similarly.
2232 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2234 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2235 (SELECT_RTX_SECTION): Define.
2236 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2238 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2240 * Makefile.in (compare, compare-lean): Define $stage for each
2242 (gnucompare, gnucompare-lean): Likewise.
2244 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2246 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2248 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2249 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2251 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2253 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2254 and add case to handle STRING_TYPE.
2255 * dwarfout.c (output_string_type_die): Fix code to generate
2256 correct string length attribute for fixed length strings.
2257 Still needs support for varying length strings.
2259 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2261 * toplev.c (get_run_time): Do something sensible for cygwin32.
2263 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2265 * expr.c (expand_builtin_setjmp): Set
2266 current_function_has_nonlocal_label.
2267 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2268 call-saved registers across calls.
2270 * alpha.md (exception_receiver): Remove.
2271 (nonlocal_goto_receiver_osf): New
2272 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2273 (nonlocal_goto_receiver): New, select _osf or _vms.
2275 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2276 keep them from being propogated to the object file.
2277 (alpha_write_linkage): Likewise.
2278 * alpha.md (call_vms): Likewise.
2279 (call_value_vms): Likewise.
2280 (unnamed osf call insns): Likewise.
2282 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2283 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2285 * alpha.c (call_operand): Any reg is valid for WinNT.
2286 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2287 (anon nt calls): Add 'R' alternative.
2288 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2289 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2291 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2293 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2295 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2296 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2297 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2299 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2301 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2302 spill error message.
2304 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2307 use varargs.h. Wrap header with <>, not "".
2309 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2311 * integrate.c (save_for_inline_copying): Add return value from
2314 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2316 * fixincludes: Be a little more restrictive on what we will
2317 substitute to replace definitions of MAXINT for HPUX.
2319 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2321 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2322 whose address is the stack or argument pointers are indirect
2325 1997-11-13 Paul Eggert <eggert@twinsun.com>
2327 * cccp.c, cpplib.c (compare_defs):
2328 Don't complain about arg name respellings unless pedantic.
2329 * cpplib.c (compare_defs): Accept pfile as new arg.
2330 All callers changed.
2332 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2334 * fold-const.c (fold_truthop): Fix bug in last change.
2336 1997-11-13 Paul Eggert <eggert@twinsun.com>
2338 Fix some confusion with IEEE minus zero.
2340 * real.h (REAL_VALUES_IDENTICAL): New macro.
2342 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2343 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2345 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2346 same tree structure as 0.0.
2348 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2349 macro instead of doing it by hand.
2351 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2353 * v850/lib1funcs.asm: Minor whitespace changes.
2354 * v850.c: Fix minor formatting problems in many places.
2355 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2357 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2359 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2360 xplus1 when xplus0 is not a register.
2362 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2364 * flow.c (find_basic_blocks): During marking phase, if we encounter
2365 an insn with a REG_LABEL note, make the target block live and
2366 create an edge from the insn to the target block. Do not make
2367 edges from all blocks to the target block.
2369 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2371 * confiugre.in: Tweak NCR entries.
2372 * configure: Rebuilt.
2374 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2376 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2377 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2378 and CONST_DOUBLE_HIGH.
2380 * rs6000.md (define_splits for DF constants): Use the appropriate
2381 REAL_VALUE_* interface to pick apart DF floating point constants in
2382 a machine independent fashion.
2384 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2386 * fold-const.c (fold_truthop): When changing a one-bit comparison
2387 against zero into a comparison against mask, do a proper sign
2390 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2392 * except.c: Do not include "assert.h".
2393 (save_eh_status): Turn asserts into conditional aborts.
2394 (restore_eh_status, scan_region): Likewise.
2395 * dwarfout.c: Do not include "assert.h".
2396 (bit_offset_attribute): Turn asserts into conditional aborts.
2397 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2398 (output_inlined_structure_type_die): Likewise.
2399 (output_inlined_union_type_die): Likewise
2400 (output_tagged_type_instantiation): Likewise.
2401 (dwarfout_file_scope_decl): Likewise.
2402 * dwarf2out.c: Do not include "assert.h"
2403 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2404 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2405 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2406 (add_bit_size_attribute, scope_die_for): Likewise.
2407 (output_pending_types_for_scope): Likewise.
2408 (get_inlined_enumeration_type_die): Likewise.
2409 (get_inlined_structure_type_die): Likewise.
2410 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2411 (gen_tagged_type_instantiation_die): Likewise.
2413 * flow.c (find_basic_blocks): Refine further to get a more correct
2414 cfg, especially in the presense of exception handling, computed
2415 gotos, and other non-trivial cases. Call abort if an inaccuracy
2416 is detected in the cfg.
2418 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2420 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2422 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2423 (skip_white_space): Use whitespace_cr.
2424 (check_newline): Handle whitespace more consistently.
2426 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2428 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2429 * i386/xm-cygwin32.h (POSIX): Define.
2431 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2433 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2434 is available elsewhere.
2436 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2438 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2439 what the instruction can handle.
2441 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2443 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2445 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2447 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2449 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2450 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2452 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2454 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2455 swap instruction order.
2457 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2459 * fixinc.svr4 (__STDC__): Add another case.
2461 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2463 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2464 addresses in the epilogue delay slot.
2466 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2468 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2469 in generated `specs' file.
2471 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2473 * flags.h (flag_rerun_loop_opt): Declare.
2474 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2475 * toplev.c (flag_rerum_loop_opt): Delete static.
2477 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2479 Bring over from FSF:
2481 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2483 * va-sh.h (__va_arg_sh1): Define.
2485 SH3E doesn't use any integer registers for subsequent arguments
2486 once a non-float value was passed in the stack.
2487 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2488 alignment in front label for ADDR_DIFF_VEC.
2489 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2490 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2492 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2494 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2497 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2499 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2500 put an use_sfunc_addr before each sfunc.
2501 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2502 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2504 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2506 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2508 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2510 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2513 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2515 * alias.c (find_base_value): Only return the known base value for
2518 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2520 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2521 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2523 (prologue_get_pc_and_set_got): New pattern.
2525 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2527 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2528 for SUBREG, just fall through.
2530 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2532 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2534 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2536 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2538 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2539 (USE_HOST_ALLOCA): Likewise.
2541 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2542 and LABEL_REFS fields.
2543 * rtl.h (LABEL_REFS): Update.
2545 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2547 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2548 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2549 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2552 * mips.md (insv, extzv, extv): Add change_address call.
2553 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2555 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2557 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2559 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2560 save_restore_insns if no FP and GP will be restored.
2562 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2563 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2565 * acconfig.h (HAVE_INTTYPES_H): Undef.
2566 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2567 and inttypes.h, and verify that intmax_t is defined.
2568 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2569 * config/mips/x-iris3: Likewise.
2571 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2573 * alias.c (find_base_value): When copying arguments, return the
2574 tenative value for a hard register.
2576 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2578 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2579 (yylex): Record wide strings using target endianness, not host.
2581 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2583 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2584 (ASM_OUTPUT_ALIGNED_BSS): New macro
2585 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2586 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2587 * v850.h (ASM_OUTPUT_BSS): Delete.
2588 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2590 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2592 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2594 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2596 * configure.in (sco5): Use cpio to install header files.
2598 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2600 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2602 * configure: Rebuild.
2604 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2606 * i386/sco5.h: enable -gstabs once again.
2608 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2610 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2612 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2614 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2615 notes for sjlj exceptions too.
2616 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2617 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2618 * final.c (final_scan_insn): Don't output labels for EH REGION
2619 notes if doing sjlj exceptions.
2621 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2623 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2624 optimizing correctly.
2626 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2627 or set current_function_calls_setjmp anymore.
2629 * flow.c (find_basic_blocks): If we delete the label for an
2630 exception handler, remove it from the EH label list and remove
2631 the EH_BEGIN/EH_END notes for that EH region.
2633 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2635 * flow.c (find_basic_blocks): Generate correct flow control
2636 information when exception handling notes are present.
2638 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2640 * dwarf2out.c (output_call_frame_info): Fix length argument
2641 to ASM_OUTPUT_ASCII.
2642 (output_die, output_pubnames, output_line_info): Likewise.
2644 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2646 * version.c: Bump for snapshot.
2648 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2649 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2650 flag_debug_asm is on.
2651 (output_die, output_pubnames, output_line_info): Likewise.
2653 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2654 and static_chain_rtx into the potential base values array if
2657 * alias.c (new_reg_base_value): New array of potential base values.
2658 (unique_id): Now file scoped static.
2659 (find_base_value, case REG): Return the value in reg_base_value
2660 array for the REG if it exists. Else, return the value from
2661 new_reg_base_value if copying args and REG is a hard register.
2662 (find_base_value, case PLUS): If either operand of the PLUS is
2663 a REG, try to get its base value. Handle base + index and
2665 (record_set): Use new_reg_base_value instead of reg_base_value.
2666 (init_alias_analysis): Allocate space for new_reg_base_value too.
2667 Rework code to iterate over the insns propagating base value
2668 information until nothing changes.
2670 * global.c (global_alloc): Free the conflict matrix after
2671 reload has finished.
2673 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2675 * libgcc2.c (L_eh): Define __eh_pc.
2676 Replace __eh_type with generic pointer __eh_info.
2678 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2680 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2681 use copy_to_reg if address is not a general_operand.
2683 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2685 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2686 for the duration of the call to rest_of_compilation.
2688 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2690 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2692 (sparc*-*-*): Recognize --with-cpu=v9.
2693 * sparc/elf.h: New file.
2694 * sparc/t-elf: New file.
2696 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2698 * mn10300.c (const_8bit_operand): New function.
2699 (mask_ok_for_mem_btst): New funtion.
2700 * mn10300.md (btst patterns with mem operands): Use new functions
2701 to avoid creating btst instructions with invalid operands.
2703 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2705 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2706 are running on PowerPC Linux.
2708 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2710 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2711 if not previously defined.
2713 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2715 * function.c (assign_parms): Correct mode of stack_parm if
2716 entry_parm underwent a mode conversion.
2718 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2720 * global.c (global_alloc): Use xmalloc instead of alloca for
2721 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2722 than 2.5Mb sometimes.
2724 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2726 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2727 DEST for the spill, adjust mode of SRC to compensate.
2729 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2731 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2732 since any_memory_operand() allows pseudos during reload.
2733 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2735 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2737 * m68k.md (btst patterns): Add 5200 support.
2739 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2741 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2742 optimizations, look inside dividend to determine if the expression
2743 can be simplified by using EXACT_DIV_EXPR.
2745 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2748 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2750 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2752 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2754 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2756 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2759 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2761 * alpha.md (movqi, movhi): Make sure new insns created during reload
2762 won't need reloading themselves.
2763 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2765 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2767 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2769 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2771 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2772 Patch from Klaus Kaempf <kkaempf@progis.de>.
2774 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2776 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2777 to an element in a constant string.
2779 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2781 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2782 bit PC-relative offset. The exception range table pointer is now in
2784 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2785 (count_fdes, add_fdes, get_cie): Adjust.
2786 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2789 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2791 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2793 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2794 like stack_pointer_rtx.
2796 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2798 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2799 targets using "$@" to provide support for similar but not identical
2800 targets without having to duplicate code.
2801 (bootstrap4): New goal.
2803 * Makefile.in (compare, compare-lean, compare3): Combined to one
2804 ruleset determining actions to be performed via $@.
2805 (compare4, compare4-lean): New targets.
2806 (gnucompare, gnucompare3): Combined to one ruleset determining
2807 actions to be performed via $@. Also, note which files failed
2808 the comparison test in .bad_compare.
2809 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2811 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2813 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2814 if the dividend is a multiple of the divisor.
2816 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2818 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2820 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2823 * alias.c (true_dependence): Fix typo.
2825 * toplev.c (flag_rerun_loop_opt): New variable.
2826 (f_options): Handle -frerun-loop-opt.
2827 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2829 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2831 * loop.c (simplify_giv_expr): Adding two invariants results
2834 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2836 * expr.c (get_inner_reference): Remove the array bias after
2837 converting the index to Pmode.
2839 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2841 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2842 (TARGET_MULT_BUG): Define.
2843 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2844 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2846 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2848 * mn10200.c (indirect_memory_operand): Delete unused function.
2849 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2850 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2852 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2854 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2855 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2856 for more than scheduling.
2858 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2860 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2862 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2864 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2865 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2866 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2868 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2870 * version.c: Bump for snapshot.
2872 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2874 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2877 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2879 * toplev.c (flag_exceptions): Default value is 2.
2880 (compile_file): If flag_exceptions still has the value 2, then
2883 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2884 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2885 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2887 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2890 * rs6000.md (*movsi_got_internal_mem): New pattern.
2891 (*movsi_got_internal_mem splitter): New define_split.
2893 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2895 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2897 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2899 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2900 only need to save LR.
2902 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2904 * mn10300.md (movqi, movhi): Avoid using address registers as
2905 destinations unless absolutely necessary.
2907 * mn10200.c (expand_prologue): Fix typo.
2909 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2911 * mn10200.md (neghi2): Provide an alternative which works if
2912 the input and output register are the same.
2914 * mn10300.c (print_operand): Handle 'S'.
2915 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2916 shift amount in last alternative
2918 * mn10300.c (expand_epilogue): Rework to handle register restores
2919 in "ret" and "retf" instructions correctly.
2921 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2923 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2924 extzv for memory operands.
2926 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2927 redundant conditional moves to single operand.
2929 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2931 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2934 * xm-v850.h: Use __v850 rather than __v850__ to
2937 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2939 * mips/mips.c (compute_frame_size): Not a leaf function if
2942 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2944 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2946 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2948 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2949 (DEFAULT_ARCH32_P): New macro.
2950 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2951 (enum cmodel): Declare.
2952 (sparc_cmodel_string,sparc_cmodel): Declare.
2953 (SPARC_DEFAULT_CMODEL): Provide default.
2954 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2955 (TARGET_FULLANY): Deleted.
2956 (TARGET_CM_MEDMID): New macro.
2957 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2958 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2959 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2960 (CPP_SPEC): Rewrite.
2961 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2962 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2963 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2964 (ASM_SPEC): Add %(asm_arch).
2965 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2966 Rename asm_default to asm_cpu_default.
2967 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2968 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2969 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2970 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2971 (MASK_INT64,MASK_LONG64): Delete.
2972 (MASK_ARCH64): Renamed to MASK_64BIT.
2973 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2974 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2975 (TARGET_SWITCHES): Always provide 64 bit options.
2976 (ARCH64_SWITCHES): Delete.
2977 (TARGET_OPTIONS): New option -mcmodel=.
2978 (INT_TYPE_SIZE): Always 32.
2979 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2980 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2981 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2982 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2983 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2985 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2986 * sparc/linux.h: Likewise.
2987 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2988 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2989 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2990 (SPARC_DEFAULT_CMODEL): Define.
2991 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2992 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2993 (LONG_DOUBLE_TYPE_SIZE): Define.
2994 (ASM_SPEC): Add %(asm_arch).
2995 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2996 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2997 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2998 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2999 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3000 (SPARC_DEFAULT_CMODEL): Define.
3001 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3002 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3003 MASK_LONG64, MASK_MEDANY.
3004 (SPARC_DEFAULT_CMODEL): Define.
3005 (CPP_PREDEFINES): Delete.
3006 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3007 (ASM_SPEC): Add %(asm_arch).
3008 (LONG_DOUBLE_TYPE_SIZE): Define.
3009 (DWARF2_DEBUGGING_INFO): Define.
3010 * sparc/splet.h (CPP_SPEC): Delete.
3011 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3012 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3013 (BLOCK_PROFILER): Likewise.
3014 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3015 (sparc_override_options): Handle code model selection.
3016 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3017 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3018 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3019 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3020 (sethi_di_fullany): Delete.
3022 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3023 Jeff Law <law@cygnus.com>
3024 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3026 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3027 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3028 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3029 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3030 * alpha/alpha.md (arg_home): Likewise.
3032 * alpha/alpha.c (vmskrunch): Delete
3033 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3034 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3035 truncate to 64 characters.
3037 * make-l2.com: Support openVMS/Alpha.
3039 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3041 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3043 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3045 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3047 * i386/bsd386.h (ASM_COMMENT_START): Define.
3049 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3051 * tree.c (restore_tree_status): Also free up temporary storage
3052 when we finish a toplevel function.
3053 (dump_tree_statistics): Print stats for backend obstacks.
3055 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3057 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3059 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3061 * libgcc2.c (__throw): Don't copy the return address.
3062 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3064 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3065 * toplev.c (main): Initialize exceptions_via_longjmp.
3067 * tree.c: Add extra_inline_obstacks.
3068 (save_tree_status): Use it.
3069 (restore_tree_status): If this is a toplevel inline obstack and we
3070 didn't want to save anything on it, recycle it.
3071 (print_inline_obstack_statistics): New fn.
3072 * function.c (pop_function_context_from): Pass context to
3073 restore_tree_status.
3074 * obstack.h (obstack_empty_p): New macro.
3076 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3078 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3080 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3082 * v850.c (ep_memory_offset): New function.
3083 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3085 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3086 (CONSTANT_ADDRESS_P): Add comment.
3087 (EXTRA_CONSTRAINT): Define 'U'.
3088 * v850.md: Add comments on bit field instructions.
3089 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3090 (lshrsi3): Use N not J constraint.
3092 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3094 * v850.c (reg_or_0_operand): Call register_operand.
3095 (reg_or_int5_operand): Likewise.
3096 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3097 (TARGET_SWITCHES): Add "big-switch".
3098 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3099 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3100 (CASE_DROPS_THROUGH): Comment out.
3101 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3102 * v850.md (cmpsi): Delete compare mode.
3103 (casesi): New pattern.
3105 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3106 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3107 (lshrsi3): Likewise.
3109 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3110 unreachable switch statement after 'b' support. Remove "b" from
3111 strings for 'b' support.
3112 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3114 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3116 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3117 empty line if @inhibit_libc@ is empty.
3119 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3121 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3122 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3123 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3124 (DWARF2_UNWIND_INFO): Let this track object file format.
3125 (EXTRA_SECTIONS): Add in_eh.
3126 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3127 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3129 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3131 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3132 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3134 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3135 (output_double_int): Output DI mode values correctly when
3136 HOST_BITS_PER_WIDE_INT is 64.
3137 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3138 fmovd so it works if a quad float ends up in one of the upper 32
3140 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3141 necessary for PIC support on sparc64.
3143 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3145 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3146 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3147 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3148 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3149 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3150 (SPARC_FP_ARG_FIRST): New macro.
3151 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3152 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3153 (NPARM_REGS): There are 32 fp argument registers now.
3154 (FUNCTION_ARG_REGNO_P): Likewise.
3155 (FIRST_PARM_OFFSET): Update to new v9 abi.
3156 (REG_PARM_STACK_SPACE): Define for arch64.
3157 (enum sparc_arg_class): Delete.
3158 (sparc_arg_count,sparc_n_named_args): Delete.
3159 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3160 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3161 (FUNCTION_ARG_ADVANCE): Rewrite.
3162 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3163 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3164 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3165 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3166 (STRICT_ARGUMENT_NAMING): Define.
3167 (doublemove_string): Declare.
3168 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3169 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3170 (doublemove_string): New function.
3171 (output_move_quad): Clean up some of the arch64 support.
3172 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3173 Don't add 8 bytes of reserved space if arch64.
3174 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3175 (init_cumulative_args): New function.
3176 (function_arg_slotno): New static function.
3177 (function_arg,function_arg_partial_nregs): New functions.
3178 (function_arg_{pass_by_reference,advance}): New functions.
3179 (function_arg_padding): New function.
3180 * ginclude/va-sparc.h: Rewrite v9 support.
3182 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3184 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3185 for hard regs to determine base and index registers.
3187 * reload.c (debug_reload_to_stream): New function. Specify stream
3188 into which to write debug info.
3189 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3191 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3193 * combine.c (can_combine_p): Don't combine with an asm whose
3194 output is a hard register.
3196 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3198 * c-decl.c (start_struct): Ensure that structs with forward
3199 declarations are in fact packed when -fpack-struct is given.
3201 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3202 we are packing a structure. This allows a structure with only
3203 bytes to be aligned on a byte boundary and have no padding on a
3206 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3208 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3210 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3212 * alpha.c (alpha_return_addr_rtx): New variable.
3213 (alpha_save_machine_status): New; save it.
3214 (alpha_restore_machine_status): New; restore it.
3215 (alpha_init_expanders): New; clear it.
3216 (alpha_return_addr): New; set it.
3217 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3218 is overly conservative, so search the insns explicitly.
3219 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3220 (alpha_sa_size [VMS && !VMS]): Likewise.
3221 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3222 (INIT_EXPANDERS): New definition.
3224 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3225 (output_prolog [!VMS]): Use them.
3227 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3228 (alpha_does_function_need_gp): ... a new function. Refine the
3229 CALL_INSN test to just TYPE_JSR.
3230 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3232 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3234 * version.c: Bump for snapshot.
3236 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3238 * pa.c (move_operand): Respect -mdisable-indexing.
3239 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3241 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3243 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3245 (umulsidi3,umulsi3_highpart): Ditto.
3246 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3248 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3250 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3251 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3252 function in one go. Emit RTL for trapb, instead of printf directly.
3253 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3254 (trap_pending): Kill global variable.
3255 (output_epilog): Don't call final_prescan_insn.
3256 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3257 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3258 (MACHINE_DEPENENT_REORG): Define.
3259 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3262 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3264 Tune Haifa scheduler for Alpha:
3265 * alpha.h (ISSUE_RATE): Define.
3266 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3267 EV4 adjustments to EV5.
3268 * alpha.md: Remove all scaling from function unit delays. Rework
3269 EV5 function units to match the CPU.
3270 (umuldi3_highpart): EV5 added the IMULH insn class.
3272 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3274 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3277 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3279 * cplus-dem.c (demangle_signature): Don't look for return types on
3280 constructors. Handle member template constructors.
3282 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3284 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3285 * tree.h: Declare them.
3287 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3289 * configure.in: Handle --with-newlib.
3290 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3292 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3294 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3296 * config/ptx4.h: Fix typo.
3298 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3300 * version.c: Bump for snapshot.
3302 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3304 * aclocal.m4: Substitute INSTALL.
3305 * configure: Re-built.
3307 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3309 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3311 (expand_inline_function): Likewise.
3313 * dwarf2out.c (output_call_frame_info): Reinstate last change
3314 using flag_debug_asm check instead of flag_verbose_asm.
3316 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3318 * dwarf2out.c (output_call_frame_info): Remove last change.
3320 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3322 * frame.c (__frame_state_for): Execute the FDE insns until the
3323 current pc value is strictly bigger than the target pc value.
3325 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3327 * regclass.c (init_reg_modes): If we can't find a mode for the
3328 register, use the previous one.
3330 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3332 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3333 don't sprintf through an alloca'ed buffer.
3335 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3337 * reload.c (decompose): Always initialize val.base.
3339 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3341 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3342 instead of aborting.
3343 * dwarf2out.c (output_call_frame_info): Call app_enable and
3344 app_disable to let GNU as accept the generated comments.
3346 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3348 * tree.h (get_file_function_name): Add declaration.
3349 * dwarf2out.c (output_call_frame_info): No need to cast
3350 get_file_function_name call anymore.
3351 * profile.c (toplevel): Remove get_file_function_name
3353 * c-lang.c (finish_file): Ditto.
3355 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3357 * Makefile.in (program_transform_name): Let autoconf substitute
3360 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3362 * haifa-sched.c (schedule_block): If the first real insn in a
3363 block has any special notes attached to it, remove them.
3365 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3367 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3369 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3371 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3373 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3375 * Makefile.in (check-g77): New test target.
3376 (CHECK-TARGETS): Add check-g77.
3378 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3380 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3382 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3384 * flow.c (print_rtl_with_bb): Cast alloca return value for
3387 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3389 * i386.h (RETURN_ADDR_RTX): New definition that works for
3390 __builtin_return_address(0) and -fomit-frame-pointer.
3392 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3394 Bring over from FSF.
3395 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3397 * mips.c (function_arg): Handle passing a struct
3398 containing a double in a DFmode register without the PARALLEL.
3400 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3402 * pexecute.c: Use spawn if __CYGWIN32__.
3404 * pexecute.c: Include "config.h" first, as per autoconf manual
3405 (from Paul Eggert <eggert@twinsun.com>).
3407 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3409 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3410 optimisation for f/expr.o and f/stb.o.
3412 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3414 * cse.c (this_insn_cc0_mode): Initialize.
3416 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3418 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3420 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3422 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3424 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3425 that pair will dual-issue on the 21164 and plus+beq won't.
3426 (bne): Likewise for cmpeq+beq.
3428 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3430 * except.c (find_exception_handler_labels): Correct argument to free.
3432 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3434 * except.c (find_exception_handler_labels): Free LABELS when we're
3437 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3439 * version.c: Bump for snapshot.
3441 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3443 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3446 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3448 * configure.in: Substitute for "install" too.
3449 * configure: Rebuilt.
3451 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3453 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3455 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3457 * alias.c (base_alias_check): Two symbols can conflict if they
3458 are accessed via AND.
3459 (memrefs_conflict_p): Likewise.
3461 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3462 after flushing argument registers to the stack.
3464 * Makefile.in (mostlyclean): Remove .regmove files.
3466 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3468 * libgcc2.c (__throw): Fix thinko.
3470 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3472 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3473 template-function mangling.
3474 (consume_count_with_underscores): New function.
3475 (demangle_signature): Handle new name-mangling scheme.
3477 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3479 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3482 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3484 * frame.c: Remove last change.
3485 * dwarf2.h: Remove last change.
3486 * tree.h: Add declarations of DWARF2 unwind info support
3489 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3491 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3492 * tree.h (built_in_function): Likewise.
3493 * expr.c (expand_builtin): Likewise.
3494 * except.h: Likewise.
3495 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3496 * libgcc2.c (copy_reg): New fn.
3499 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3501 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3502 unsigned if -W is specified and -Wno-sign-compare is not.
3503 * c-decl.c (warn_sign_compare): Initialize to -1.
3504 (c_decode_option): -Wall no longer implies -Wsign-compare.
3506 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3508 * frame.c: Include gansidecl.h for PROTO.
3509 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3510 defined. Don't declare dwarf2out_cfi_label here.
3511 * dwarf2.h: Add declarations of DWARF2 unwind info support
3513 * m68k.c: Include dwarf2.h.
3514 (output_function_prologue): Add dwarf2 support.
3515 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3516 (INCOMING_FRAME_SP_OFFSET): Likewise.
3518 * integrate.c (expand_inline_function): Make sure there is at
3519 least one insn that can be used as an insertion point.
3521 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3523 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3525 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3527 * version.c: Bump for snapshot.
3529 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3531 Bring over from FSF.
3533 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3535 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3536 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3537 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3539 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3541 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3542 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3544 (sparc_align_{loops,jumps,funcs}_string): Declare.
3545 (sparc_align_{loops,jumps,funcs}): Declare.
3546 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3547 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3548 (STACK_BIAS): Define.
3549 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3551 (SPARC_SETHI_P): New macro.
3552 (CONST_OK_FOR_LETTER_P): Use it.
3553 (ASM_OUTPUT_ALIGN_CODE): Define.
3554 (ASM_OUTPUT_LOOP_ALIGN): Define.
3555 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3556 (sparc_align_{loops,jumps,funcs}): New globals.
3557 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3559 (move_operand): Use SPARC_SETHI_P.
3560 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3562 (arith11_double_operand): Likewise.
3563 (arith10_double_operand): Likewise.
3564 (finalize_pic): Finish sparc64 support.
3565 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3566 64 bit constants if able.
3567 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3568 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3570 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3571 (get_pc_sp32): Use for sparc64 as well.
3572 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3573 (sethi_di_sp64_const): Likewise.
3574 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3575 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3576 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3578 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3580 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3581 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3582 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3584 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3586 Add sparc64 linux support.
3587 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3588 to xm_file list on 32-bit sparc-linux.
3589 * sparc/xm-sp64.h: New file.
3590 * sparc/linux64.h: New file.
3591 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3592 Don't include xm-sparc.h.
3593 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3594 * glimits.h (LONG_MAX): Handle sparc64.
3596 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3598 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3599 * sparc.h (ASM_COMMENT_START): Define.
3600 * sparc.c (output_function_prologue): Use it.
3601 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3603 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3605 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3606 use sparc.h's copies.
3607 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3610 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3612 * sparc.c (dwarf2out_cfi_label): Add declaration.
3613 (save_regs, output_function_prologue): Remove cast for it.
3614 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3615 ({save,restore}_regs): No longer inline.
3617 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3619 * fold-const.c (make_range): Correctly handle cases of converting
3620 from unsigned to signed type.
3622 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3624 * fold-const.c (merge_ranges): Make sure that if one range is subset
3625 of another, it will always be the second range. Correct (+,-) case to
3628 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3630 * final.c (final_end_function): Also do dwarf2 thing if
3631 DWARF2_DEBUGGING_INFO.
3632 (final_start_function): Likewise.
3634 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3636 * expmed.c (expand_divmod): If compute_mode is not the same as
3637 mode, handle the case where convert_modes() causes op1 to no
3638 longer be a CONST_INT.
3640 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3641 note holding get_jump_flags() calculation to all JUMP_INSNs.
3642 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3643 * rtl.c (reg_note_name): Add new note types.
3645 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3647 * rtlanal.c (computed_jump_p): Fix typo in last change.
3649 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3651 * loop.c (indirect_jump_in_function_p): Return 0
3654 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3656 * rs6000/xm-rs6000.h: Fix thinko in last change.
3657 * rs6000/xm-sysv4.h: Likewise.
3659 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3661 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3663 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3665 * reg-stack.c (find_blocks): Fix thinko in last change.
3667 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3669 * m68k.c (output_function_prologue): Add dwarf2 support.
3671 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3672 INCOMING_FRAME_SP_OFFSET): New definitions.
3674 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3676 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3677 appropriate in calls to gen_rtx().
3678 * cse.c (cse_main): Likewise.
3679 * emit-rtl.c (gen_label_rtx): Likewise.
3680 * expr.c (init_expr_once): Likewise.
3681 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3682 sched_analyze, init_rgn_data_dependences,
3683 compute_block_backward_dependences): Likewise.
3684 * sched.c (schedule_insns): Likewise.
3685 * varasm.c (immed_double_const): Likewise.
3687 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3688 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3690 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3692 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3693 (MULTILIB_DEFAULTS): Define.
3694 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3695 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3696 (LIBGCC_SPEC): Likewise.
3697 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3698 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3699 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3700 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3701 (EXTRA_PARTS, TAROUTOPTS): Delete.
3702 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3703 (MULTILIB_OPTIONS): Define.
3704 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3705 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3707 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3709 * version.c: Bump for snapshot.
3711 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3713 * loop.c (loop_number): Delete function. Change all references
3714 to use uid_loop_num array.
3715 * loop.h (loop_number): Delete declaration.
3716 * unroll.c (unroll_loop): Change "loop_number" references to
3717 use uid_loop_num instead.
3719 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3721 (loop_unroll_iter): Remove unused variable and all references.
3722 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3723 (insert_bct): Fix minor formatting problems.
3724 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3725 (loop_unroll_iter): Removed unused decl.
3726 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3727 Always record the unrolling factor.
3729 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3730 Similarly for h1u and h1s.
3732 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3733 (find_basic_blocks): Use computed_jump_p to determine if a
3734 particular JUMP_INSN is a computed jump.
3735 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3736 if a particular JUMP_INSN is a computed jump.
3737 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3738 (computed_jump_p): Likewise.
3739 * rtl.h (computed_jump_p): Declare.
3740 * genattrtab.c (pc_rtx): Define and initialize.
3741 * loop.c (loop_optimize): Always determine if the current
3742 function has a computed jump.
3743 (indirect_jump_in_function_p): Use computed_jump_p to determine
3744 if a particular JUMP_INSN is a computed jump.
3746 * loop.c (fix_bct_param): Delete unused function.
3747 (check_bct_param): Likewise.
3749 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3751 * frame.c (__deregister_frame): Check properly for initialized object.
3753 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3755 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3757 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3759 * jump.c (thread_jumps): check can_reverse_comparison_p before
3760 threading a reversed-condition jump.
3762 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3763 * haifa-sched.c (update_flow_info): Likewise.
3765 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3767 * Makefile.in (BOOT_CFLAGS): Use -O2.
3769 * configure.in (strtoul, bsearch): Have autoconf check for these
3771 * configure, config.in: Rebuilt.
3773 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3774 * mips/mips.h (alloca): Likewise.
3775 * rs6000/xm-rs6000.h (alloca): Likewise.
3776 * rs6000/xm-sysv4.h: Likewise.
3778 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3780 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3781 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3782 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3784 * except.c (end_eh_unwinder): Subtract 1 from return address.
3785 * libgcc2.c (__throw): Likewise.
3786 (find_exception_handler): Don't change PC here. Compare end with >.
3788 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3790 * v850.c (compute_register_save_size): Correct register
3792 * v850.md (save_interrupt, return_interrupt): Correct
3794 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3795 (return_interrupt): Use stack pointer, not element pointer.
3797 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3799 * configure.in, configure: Make sure to create the stage* and include
3800 symbolic links in each subdirectory.
3802 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3804 * pa.md (reload_peepholes): Don't allow addresses with side
3805 effects for the memory operand.
3807 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3809 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3810 looking for a handler, to avoid hitting the beginning of the next
3813 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3815 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3817 * mips/abi64.h (LONG_MAX_SPEC): Define.
3818 * mips.h (LONG_MAX_SPEC): Define.
3819 (CPP_SPEC): Include long_max_spec.
3820 (EXTRA_SPECS): Include long_max_spec.
3822 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3824 * v850.c (construct_save_jarl): Fix thinko in last change.
3826 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3828 * version.c: Bump for snapshot.
3830 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3832 * libgcc2.c (find_exception_handler): Not found is -1.
3834 * integrate.c (expand_inline_function): Move expand_start_bindings
3835 after expanding the arguments.
3837 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3839 * expr.c (expand_expr): Remove previous incorrect change.
3840 If target and slot has no DECL_RTL, then call mark_addressable
3841 again for the slot after we give it RTL.
3843 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3845 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3846 again for the slot after we give it RTL.
3848 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3850 * v850.c (register_is_ok_for_epilogue,
3851 pattern_is_ok_for_epilogue, construct_restore_jr,
3852 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3854 * v850.h (pattern_is_ok_for_prologue,
3855 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3858 * v850.md: Replace prologue and epilogue patterns with a
3859 match_parallel pattern.
3861 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3863 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3864 * configure.in: Use EGCS_PROG_INSTALL.
3866 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3868 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3869 extern inline function.
3871 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3873 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3874 (concat_loc_descriptor): New function.
3875 (loc_descriptor): Call it.
3876 (add_AT_location_description): Also elide the descriptor if both
3877 halves of a CONCAT are pseudos.
3878 (add_location_or_const_value_attribute): Recognize CONCAT too.
3880 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3882 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3884 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3885 out-or-range reg_offset.
3886 (output_epilog): Likewise.
3888 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3890 * cse.c (simplify_relational_operation): If MODE specifies a
3891 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3892 is derived from the sign bit of the low word.
3894 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3896 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3898 * dwarf2.h: Add DW_CFA_GNU_args_size.
3899 * frame.c (execute_cfa_insn): Likewise.
3900 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3901 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3902 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3903 insn, hand it off to dwarf2out_stack_adjust.
3904 (dwarf2out_begin_prologue): Initialize args_size.
3905 * frame.h (struct frame_state): Add args_size.
3906 * libgcc2.c (__throw): Use args_size.
3907 * final.c (final_scan_insn): If we push args, hand off all insns
3908 to dwarf2out_frame_debug.
3909 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3911 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3912 Handle epilogue restore of SP from FP.
3913 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3914 lone insn has RTX_FRAME_RELATED_P set.
3916 * frame.c (extract_cie_info): Handle "e" augmentation.
3917 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3918 absence of UNALIGNED_*_ASM_OP.
3919 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3920 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3921 Don't emit augmentation fields length.
3922 (dwarf2out_do_frame): Move outside of #ifdefs.
3923 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3926 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3927 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3928 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3929 * sparc/sun4gas.h: New file.
3930 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3932 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3933 __register_frame_table and __deregister_frame.
3935 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3937 * except.c (find_exception_handler_labels): Use xmalloc instead of
3938 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3941 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3943 * Makefile.in: Various changes to build info files
3944 in the object tree rather than the source tree.
3946 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3948 * fixinc.math: New file to fix math.h on some systems.
3949 * configure.in (freebsd, netbsd): Use fixinc.math on these
3951 * configure: Rebuilt.
3953 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3955 * regmove.c (regmove_optimize): If we end up moving the
3956 original insn due to lifetime overlaps, make sure to move
3959 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3961 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3963 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3965 * haifa-sched.c (add_branch_dependences): Make each insn in
3966 a SCHED_GROUP_P block explicitly depend on the previous insn.
3968 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3970 * except.h: Prototype dwarf2 hooks.
3973 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3975 * configure.in (native_prefix): Delete.
3976 (mips-dec-netbsd): Don't set prefix.
3977 (*linux*): Don't set prefix.
3979 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3981 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3982 defined. If not defined, include <sys/varargs.h> if
3983 HAVE_SYS_VARARGS_H is defined.
3984 * configure.in: Test for varargs.h and sys/varargs.h.
3985 * configure: Regenerate with autoconf.
3986 * config.in: Regenerate with autoheader.
3988 * cpplib.c (quote_string): Cast first arg of sprintf call
3989 from "unsigned char *" to "char *".
3990 (output_line_command): Ditto.
3991 (macroexpand): Ditto.
3992 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3994 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3996 * version.c: Bump for snapshot.
3998 * Makefile.in (compare): Exit with nonzero status if there
3999 are comparison failures. Note which files failed the
4000 comparison test in .bad_compare.
4002 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4004 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4006 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4008 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4009 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4010 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4011 * configure: Regenerated.
4013 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4015 * loop.c (strength_reduce): Fix typo.
4017 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4019 * m88k/m88k.c (struct option): Rename to struct options.
4020 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4021 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4022 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4023 __DOLPHIN__ or sysV88.
4025 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4027 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4030 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4032 * config.sub: Accept 'amigados' for backward compatability.
4034 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4036 * Makefile.in (testsuite/site.exp): New target.
4037 (check-gcc, check-g++): Depend on testsuite/site.exp.
4038 Don't stop for failure.
4040 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4042 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4043 if DWARF2_UNWIND_INFO.
4045 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4047 Add support for exception handling using DWARF 2 frame unwind info.
4048 Currently works on SPARC and MIPS, and almost on x86.
4050 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4051 next_stack_level, in_reg_window): Helper fns.
4052 (__throw): Implement for DWARF2_UNWIND_INFO.
4054 * expr.c (expand_builtin): Handle builtins used by __throw.
4055 * tree.h (enum built_in_function): Add builtins used by __throw.
4056 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4057 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4058 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4059 (expand_builtin_extract_return_addr): Likewise.
4060 (expand_builtin_frob_return_addr): Likewise.
4061 (expand_builtin_set_return_addr_reg): Likewise.
4062 (expand_builtin_eh_stub): Likewise.
4063 (expand_builtin_set_eh_regs): Likewise.
4064 (eh_regs): Choose two call-clobbered registers for passing back values.
4066 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4067 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4068 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4069 (stmp-multilib): Likewise.
4070 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4072 * except.c: #include "defaults.h".
4073 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4074 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4075 (register_exception_table_p): New fn.
4076 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4077 (end_eh_unwinder): Likewise.
4079 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4080 call __register_frame and __deregister_frame as needed.
4081 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4082 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4083 EH_FRAME_SECTION_ASM_OP.
4084 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4085 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4086 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4088 * dwarf2out.c (output_call_frame_info): If no support for
4089 EXCEPTION_SECTION, mark the start of the frame info with a
4091 * collect2.c (frame_tables): New list.
4092 (is_ctor_dtor): Recognise frame entries.
4093 (scan_prog_file): Likewise.
4094 (main): Pass -fno-exceptions to sub-compile. Also do collection
4095 if there are any frame entries.
4096 (write_c_file_stat): Call __register_frame_table and
4097 __deregister_frame as needed.
4098 (write_c_file_glob): Likewise.
4100 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4101 Also require unaligned reloc support.
4102 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4103 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4104 * sparc/sysv4.h: Not here.
4106 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4107 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4108 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4110 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4111 EH implementations to the top.
4112 (find_exception_handler): Split out. Start from 0. Compare against
4114 (__find_first_exception_table_match): Use it.
4115 * except.c (output_exception_table): Don't do anything if there's
4116 no table. Don't output a first entry of zeroes.
4117 (eh_outer_context): Adjust properly.
4118 (add_eh_table_entry): Use xrealloc.
4119 * toplev.c (compile_file): Just call output_exception_table.
4121 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4123 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4125 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4127 * except.c (eh_outer_context): Do masking using expand_and.
4129 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4131 Add port done awhile ago for the ARC cpu.
4132 * arc/arc.h: New file.
4133 * arc/arc.c: New file.
4134 * arc/arc.md: New file.
4135 * arc/initfini.c: New file.
4136 * arc/lib1funcs.asm: New file.
4137 * arc/t-arc: New file.
4138 * arc/xm-arc.h: New file.
4139 * ginclude/va-arc.h: New file.
4140 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4141 * ginclude/varargs.h: Likewise.
4142 * Makefile.in (USER_H): Add va-arc.h.
4143 * configure.in (arc-*-elf*): Recognize.
4144 * longlong.h: Add ARC support.
4146 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4148 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4149 when clearing non-BLKmode data.
4151 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4153 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4154 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4156 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4158 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4160 * Makefile.in (clean): Delete libgcc1-test.
4162 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4164 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4166 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4169 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4171 * dwarf2out.c (output_call_frame_info): Call named_section.
4173 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4175 * haifa-sched.c (print_value): Fix last change.
4177 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4179 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4182 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4184 * mips.c (function_prologue): Set up the CFA when ABI_32.
4186 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4187 for dwarf2 unwind info.
4188 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4190 * final.c (final_end_function): Check dwarf2out_do_frame instead
4191 of DWARF2_DEBUG for dwarf2 unwind info.
4192 (final_scan_insn): Likewise.
4193 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4196 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4199 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4201 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4203 * v850.h (ASM_SPEC): Pass on target processor.
4204 (CPP_PREDEFINES): Only define if not already specified.
4205 (TARGET_VERSION): Only define if not already specified.
4206 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4208 (EXTRA_SWITCHES): Extra entries in the switches array.
4209 (TARGET_DEFAULT): Set default target processor.
4211 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4213 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4214 cases, add %# and %/, and add : to make them into extended asms.
4216 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4218 * alias.c (init_alias_analysis): Clean up incompatible pointer
4219 type warning in bzero.
4220 * regmove.c (regmove_optimize): Ditto.
4221 * haifa-sched.c (find_rgns): Ditto.
4223 * haifa-sched.c (print_value): Clean up ptr->int cast
4226 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4228 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4229 * install.texi (Configurations): Ditto.
4230 * config.sub: Ditto.
4232 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4234 * Makefile.in (sdbout.o): Depend on insn-config.h.
4236 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4238 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4239 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4241 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4243 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4244 prologue insn, only the first elt is significant.
4245 (output_call_frame_info): For exception handling, always use 4-byte
4246 fields as specified by the dwarf2 spec.
4247 Don't skip trivial FDEs.
4249 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4251 * version.c: Bump for snapshot.
4253 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4255 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4256 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4259 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4261 * final.c (shorten_branches): During first pass, assume worst
4262 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4264 * Makefile.in (distclean): Remove various things left around
4265 by running the testsuite.
4267 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4269 * configure.in (out_file): Emit definition to config.status in order
4270 to have a defined value for configure.lang.
4271 * configure: Re-built.
4273 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4275 * configure.in: Make symlink to as-new rather than as.new. Similarly
4277 * configure: Rebuilt.
4279 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4281 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4283 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4285 * sparc/sparc.md: Add ultrasparc scheduling support.
4286 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4288 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4290 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4291 as initial value for real_label_map.
4292 (copy_for_inline): Likewise.
4294 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4296 * sched.c (update_flow_info) When looking if to set found_split_dest
4297 or found_orig_dest, look at all parts of a PARALLEL.
4298 * haifa-sched.c (update_flow_info): Likewise.
4300 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4302 * v850: New directory for v850 port.
4303 * v850/lib1funcs.asm: New file.
4304 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4305 * ginclude/va-v850.h: New file.
4306 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4307 * configure.in (mn10200-*-*): New target.
4308 * configure: Rebuilt.
4309 * config.sub: Handle v850-elf.
4310 * Makefile.in (USER_H): Add va-mn10200.h.
4311 * invoke.texi: Document v850 stuff.
4313 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4315 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4316 has integer TYPE_{MAX,MIN}_VALUE before using them.
4318 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4319 __HPUX_ASM__ versions.
4321 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4323 * install.sh: Delete duplicate install script.
4325 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4327 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4328 computed goto which sets the same stack register.
4330 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4331 destination are both on the regstack.
4332 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4334 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4336 * mips.md (nonlocal_goto_receiver): Define.
4338 * profile.c (output_arc_profiler): Check next_insert_after for non
4339 NULL before deferencing it.
4341 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4343 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4345 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4347 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4349 * toplev.c (rest_of_compilation): For passes starting with
4350 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4352 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4355 * flow.c (print_rtl_with_bb): Print which insns start and end
4356 basic blocks. For the start of a basic block, also print the live
4359 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4361 * toplev.c (main): Change #elif to #else/#ifdef
4363 * tlink.c: Include ctype.h.
4364 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4366 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4368 * bitmap.c: Conditionally include stdlib.h.
4369 (free): Provide a declaration if NEED_DECLARATION_FREE.
4371 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4373 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4375 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4377 * profile.c (output_arc_profiler): Verify next_insert_after is an
4378 INSN before and after skipping a stack pop.
4380 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4382 * final.c (shorten_branches): Don't count the lengths of deleted
4385 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4387 * version.c: Bump for snapshot.
4389 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4391 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4392 two bitmaps ANDed together.
4393 (bitmap_print): Declare.
4395 * bitmap.c (function_obstack): Don't declare any more.
4396 (bitmap_obstack): Obstack for allocating links from.
4397 (bitmap_obstack_init): New static to say whether to initialize
4399 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4400 (bitmap_release_memory): Free all memory allocated from
4403 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4404 EXECUTE_IF_AND_IN_BITMAP.
4406 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4408 * alias.c (true_dependence): Address with AND can alias scalars.
4409 (anti_dependence, output_dependence): Likewise.
4411 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4413 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4415 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4416 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4417 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4418 definitions. Use -qrtems instead of -mrtems.
4420 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4422 * xm-sco5.h (sys_siglist): Define.
4423 (SYS_SIGLIST_DECLARED): Likewise.
4425 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4427 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4429 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4431 * except.c (eh_outer_context): Expand masking operation using
4434 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4436 * alpha.md (floatdisf2-1): New pattern.
4438 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4440 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4441 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4442 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4443 * gcc.texi: Note that if you define sys_siglist that you should
4444 also define SYS_SIGLIST_DECLARED.
4446 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4447 are relative to the next instruction, not the current instruction.
4449 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4451 * local-alloc.c (contains_replace_regs): New function.
4452 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4453 verify that there is no existing REG_EQUIV note, and add a call to
4454 contains_place_regs.
4456 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4458 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4459 (STARTFILE_SPEC): Always use crtbegin.o%s
4460 (ENDFILE_SPEC): Always use crtend.o%s.
4462 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4464 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4466 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4467 SFmode for 64 bit hosts.
4469 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4471 * fixincludes: Permits spaces between # and define. Discard C++
4472 comments in sys/pci.h on HP/UX 10.20.
4474 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4476 * version.c: Bump for snapshot.
4478 * pa.c (restore_unscaled_index_insn_codes): New function.
4479 (record_unscaled_index_insn_codes): Likewise.
4480 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4481 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4482 (pa_reorg): Call record_unscaled_index_insn_codes.
4484 * haifa-sched.c (move_insn): Handle notes correctly for insns
4485 with SCHED_GROUP_P set.
4487 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4489 * alpha/xm-linux.h (USE_BFD): Undef before define.
4491 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4493 * cse.c (cse_insn): Don't record BLKmode values.
4495 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4497 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4499 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4501 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4502 * collect2.c (sys_errlist): Likewise.
4503 * cpplib.c (sys_errlist): Likewise.
4504 * gcc.c (sys_errlist): Likewise.
4505 * protoize (sys_errlist): Likewise.
4506 * configure.in: Check for strerror.
4507 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4508 * xm-gnu.h (HAVE_STRERROR): Likewise.
4509 * xm-linux.h (HAVE_STRERROR): Likewise.
4510 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4511 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4512 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4513 * xm-dos.h (HAVE_STRERROR): Likewise.
4514 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4515 * xm-pa.h (HAVE_STRERROR): Likewise.
4516 * xm-papro.h (HAVE_STRERROR): Likewise.
4517 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4518 * configure, config.in: Rebuilt.
4520 * Makefile.in: Add several missing "else true" clauses.
4522 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4523 * mips-tfile.c: Likewise.
4524 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4525 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4526 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4527 * configure.in: Check for sys_siglist declaration.
4528 * configure, config.in: Rebuilt.
4530 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4532 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4533 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4534 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4535 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4536 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4537 macro EXTRA_SUBTARGET_SWITCHES.
4538 * configure.in (sh*-*-rtems*): New target.
4539 * sh/rtems.h: New file.
4540 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4541 * configure: Rebuilt.
4543 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4545 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4547 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4549 * rs6000.md: Make DF fused-add operations pay attention to
4552 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4554 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4556 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4558 * pa.md (reload_peepholes): Make sure operand is a REG before
4559 examining REGNO. Allow general registers too.
4561 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4563 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4565 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4567 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4568 to reallocate abbrev_die_table.
4570 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4572 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4574 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4576 * Makefile.in (config.status): Depend on version.c
4578 * expr.h (insn_gen_function): Reenable prototype.
4580 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4583 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4585 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4587 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4589 * version.c: Bump for latest snapshot.
4591 * bc-optab.c: Conditionally include stdlib.h.
4592 (free): Provide a declaration if NEED_DECLARATION_FREE.
4593 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4594 * rtl.h (free): Remove declaration.
4595 * tree.h (free): Remvoe declaration.
4597 * configure: Rebuilt.
4599 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4601 * flags.h (flag_move_all_movables): Declare.
4602 (flag_reduce_all_givs): Likewise.
4603 * loop.c (move_movables): Handle flag_move_all_movables.
4604 (strength_reduce): Handle flag_reduce_all_givs.
4605 * toplev.c (flag_move_all_movables): Define.
4606 (flag_reduce_all_givs): Likewise.
4607 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4608 * invoke.texi: Document new options, including alias stuff that
4609 wasn't included last time.
4611 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4613 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4616 * t-vxworks68: Ditto.
4617 * t-vxworks960: Ditto.
4620 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4622 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4623 if not already defined, and USE_C_ALLOCA not defined.
4625 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4627 * config.guess: Replace with script that uses ../config.guess.
4629 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4630 if USE_GNULIBC_1 is not defined.
4632 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4634 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4635 * config.guess: Recognize alpha-linux-gnulibc1.
4636 * configure.in (alpha-*-linux-gnulibc1): New target.
4637 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4639 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4641 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4644 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4646 * loop.c (combine_movables): Earlier insns don't match later ones.
4648 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4650 * config/linux.h (CC1_SPEC): Define it only if not defined.
4652 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4655 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4656 USE_GNULIBC_1 is not defined.
4658 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4660 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4661 as 1 if USE_GNULIBC_1 is not defined.
4663 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4665 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4666 to be something other than a REG.
4667 * function.c (expand_function_end): Fix current_function_return_rtx
4670 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4671 * x-netbsd: Likewise
4672 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4673 (INSTALL_HEADERS): Delete.
4674 * x-dguxbcs: Likewise.
4675 * x-hp3bsd44: Likewise
4678 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4680 * i386.md (pop): pop increments the stack pointer.
4681 (prologue_set_stack_ptr): New pattern.
4682 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4685 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4687 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4688 address where an offsettable address is required.
4690 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4692 * loop.c (check_final_value): Don't miss a biv increment in a
4695 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4697 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4698 TYPE_DECL_IS_STUB instead of DECL_NAME.
4700 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4702 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4704 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4706 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4708 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4710 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4711 (find_post_sched_live): Likewise.
4713 * haifa-sched.c (schedule_block): Remove old code to get arguments
4714 from hard regs into pseudos early.
4716 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4718 * version.c: Bump for new snapshot.
4720 * local-alloc.c (update_equiv_regs): All the target to reject
4721 promotion of some REG_EQUAL to REG_EQUIV notes.
4722 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4724 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4727 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4728 store of the argument registers.
4730 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4732 * fold-const.c (multiple_of_p): New function.
4733 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4735 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4737 * expr.h (insn_gen_function): Temporarily remove prototype.
4739 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4741 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4742 filenames. Use sed to extract base filename for install.
4744 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4746 * unroll.c (find_splittable_givs): Only share if two givs have the
4747 same add and multiply values.
4749 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4751 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4752 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4754 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4756 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4757 around branch tables.
4758 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4759 and .end_brtab directives if TARGET_GAS.
4761 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4763 * alias.c (true_dependence): Pass x_addr not x to varies.
4765 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4766 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4767 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4769 * config.in, configure: Regenerate.
4771 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4773 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4775 (record_set): Handle LO_SUM like PLUS.
4776 (init_alias_analysis): When following chains of base addresses,
4777 do not stop on reaching a hard register.
4779 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4781 * version.c: Bump for new snapshot.
4783 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4785 * alpha.h (ARCH_ASM_FILE_START): Define.
4786 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4787 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4789 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4791 * Makefile.in (install-common): Put gcov comment at start of line.
4793 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4795 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4796 array, simplify entries for hard registers too.
4798 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4800 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4803 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4805 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4806 block_stack before dereferencing it.
4808 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4810 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4812 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4814 * cplus-dem.c: Add 'extern' to prepends_underscore.
4816 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4818 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4819 (get_issue_rate): Delete.
4820 * pa.h (ISSUE_RATE): Define.
4822 * configure.in: Turn on haifa by default for the PA.
4823 * configure: Rebuilt.
4824 * pa.c (override_options): Accept -mschedule=7200 option.
4825 (pa_adjust_cost): No longer need to scale costs for newer
4827 * pa.h (enum processor_type): Add PROCESSOR_7200.
4828 * pa.md: Revamp scheduling parameters to work better with
4829 haifa. Add scheduling parameters for the 7200.
4831 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4833 (schedule_block): When adjusting basic_block_{head,end}, account
4834 for movement of SCHED_GROUP_P insns too.
4836 * haifa-sched.c (debug_dependencies): Fix thinko.
4838 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4839 (site.exp, check, check-g++, check-gcc): New targets.
4841 * haifa-sched.c: Make lots of variables static.
4843 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4845 * expr.h, real.h: Finish prototyping.
4847 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4849 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4850 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4851 * reload1.c: Undo bugfix from Aug 11.
4853 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4855 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4856 quotes around the name.
4857 * configure: Regenerate.
4859 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4861 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4863 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4865 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4866 to sub-makes to avoid building more passes than the user might have
4867 requested on the command line.
4869 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4871 * configure.in: Expurgate `broken_install' (install is
4874 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4877 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4879 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4880 functions and declarations.
4881 (analyze_loop_iterations): Use condjump_p.
4882 (insert_bct): Likewise. Use exact_log2.
4884 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4886 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4887 (schedule_region): Likewise.
4888 (schedule_insns): Likewise.
4890 * PROJECTS: Update with Haifa stuff.
4892 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4894 * version.c: Change the version string to look like:
4895 egcs-2.90.00 970814 (gcc2-970802 experimental).
4897 * loop.c (is_conditional_branch): Make definition match declaration.
4899 * gcc.c: Take out experimental snapshot warning message.
4901 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4903 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4904 print out the names of the notes. Print out the name of the insn
4905 that is not a note, and not an {,CALL_,JUMP_}INSN.
4907 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4909 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4910 again for the slot after we give it RTL.
4912 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4914 * configure.in (haifa configury): Fix typo.
4915 * configure: Regenerate.
4917 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4919 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4921 * gcc.info*: Rebuilt.
4923 * COPYING.g77, README.g77: New files.
4924 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4925 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4926 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4928 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4930 * Integrate Haifa instruction scheduler.
4931 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4932 to sched with $(SCHED_CFLAGS.
4933 * configure.in: Handle --enable-haifa.
4934 * configure: Rebuilt.
4935 * flags.h: Add new flags for haifa instruction scheduler.
4936 * genattrtab.c (expand_units): For haifa, don't subtract one
4937 when computing blockage.
4938 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4939 (flag_schedule_speculative): Ditto.
4940 (flag_schedule_speculative_load): Ditto.
4941 (flag_schedule_speculative_load_dangerous): Ditto.
4942 (flag_schedule_reverse_before_reload): Ditto.
4943 (flag_schedule_reverse_after_reload): Ditto.
4944 (flag_branch_on_count_reg): Ditto.
4945 (f_options): Add Haifa switches.
4946 (main): Turn off some Haifa options if appropriate macro is
4947 defined. Process Haifa switches.
4948 * unroll.c (iteration_info): No longer static, since Haifa
4950 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4951 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4952 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4953 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4954 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4955 storage for the Haifa scheduler.
4956 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4958 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4959 are defined, call analyze_loop_iterations and insert_bct to use
4961 (record_giv): Refine test for jumps out of loops if HAIFA is
4963 (analyze_loop_iterations): New function to identify if we can use
4965 (insert_bct): Insert countdown loop.
4966 (instrument_loop_bct): Low level code to insert countdown loop.
4967 (loop_number): Calculate UID of loop.
4968 (indirect_jump_in_function_p): Return true if an indirect jump is
4970 (is_power_of_2): Return true if value is a power of 2.
4971 (is_conditional_branch): Return true if insn is a conditional
4973 (fix_bct_param): Process -fbct-{min,max}-N switches.
4974 (check_bct_param): Return true if loop should be instrumented.
4975 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4976 (loop_optimize): Initialize.
4977 (get_condition_for_loop): Ditto.
4978 * loop.c (strength_reduce): Inside of code that uses #ifdef
4979 HAVE_decrement_and_branch_on_count code, test it to make sure the
4981 (instrument_loop_bct): Ditto.
4982 * haifa-sched.c: New file.
4985 * Integrate regmove pass.
4986 * Makefile.in (OBJS): Add regmove.o
4987 (regmove.o): Add dependencies.
4988 * flow.c (find_use_as_address): No longer static.
4989 * rtl.h (find_use_as_address): Declare.
4990 * toplev.c (regmove_dump, flag_regmove): Define.
4991 (f_options): Add -fregmove.
4992 (regmove_dump_file, regmove_time): Define.
4993 (fatal_insn): Close the regmove dump file.
4994 (compile_file): Initialize regmove_time; open/close the regmove dump
4995 file as needed. Print regmove time as needed.
4996 (rest_of_compilation): Run regmove pass if requested, dump
4997 RTL after regmove if requested.
4998 (main): If -O2 or more, turn on regmove. Handle dump switches.
4999 * regmove.c: New file.
5001 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5003 * Integrate tlink patch from jason@cygnus.com
5004 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5005 (process_command): Increment n_switches for them. Don't discard
5006 their args. Validate them.
5007 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5009 (process_command): Set include_prefixes from COMPILER_PATH.
5010 (main): Set COLLECT_GCC_OPTIONS sooner.
5011 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5012 * tlink.c, hash.c, hash.h: New files.
5013 * Makefile.in (USE_COLLECT2): Always use collect2.
5014 (collect2): Depend on and link in hash.o and tlink.o.
5015 (tlink.o, hash.o): Add dependencies.
5017 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5019 * Integrate alias analysis changes from jfc@mit.edu
5020 * Makefile.in (OBJS): Add alias.o
5021 (alias.o): Add dependencies.
5022 * alias.c: New file.
5023 * sched.c: Remove alias analysis code. It lives in alias.c now.
5024 (sched_analyze_2): Add new arguments to true_dependence.
5025 (schedule_insns): Always call init_alias_analysis.
5026 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5027 mark return value from such functions as a pointer and keep track of
5028 them for alias analysis. If a return value from a function is a
5029 pointer, mark it as such.
5030 * combine.c (distribute_notes): Handle REG_NOALIAS.
5031 * cse.c (struct write_data): Delete. No longer needed.
5032 (invalidate): Don't call set_nonvarying_address_components anymore.
5033 Use true_dependence to decide if an entry should be removed from
5035 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5037 (note_mem_written): Similarly for WRITE_PTR argument.
5038 (invalidate_from_clobbers): Similarly for W argument.
5039 (invalidate_for_call): Remove memory elements from the hash table.
5040 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5041 (cse_rtx_varies_p): New function. Derived from old
5042 cse_rtx_addr_varies_p.
5043 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5044 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5045 pointer if PUSH_ROUNDING is defined. No longer need to call
5046 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5047 (skipped_writes_memory): Remove variable.
5048 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5049 (invalidate_skipped_block): Simplify for new alias analysis code.
5050 (cse_set_around_loop): Likewise.
5051 (cse_main): Call init_alias_analysis.
5052 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5053 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5054 (f_options): Add new alias checking arguments.
5055 (main): Set flag_alias_check when optimizing.
5056 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5058 (memref_referenced_p): Likewise.
5059 * loop.c (NUM_STORES): Increase to 30.
5060 (prescan_loop): Only non-constant calls set unknown_address_altered.
5061 (invariant_p): Add new arguments to true_dependence.
5062 (record_giv): Initialize unrolled and shared fields.
5063 (emit_iv_add_mult): Call record_base_value as needed.
5064 * loop.h (struct induction): Add unrolled and shared fields.
5065 * unroll.c (unroll_loop): Call record_base_value as needed.
5066 (copy_loop_body): Likewise.
5067 (final_biv_value): Likewise.
5068 (final_giv_value): Likewise.
5069 (find_splittable_regs): Likewise. Only create one new pseudo
5070 if we have multiple address GIVs that were combined with the same
5071 dst_reg GIV. Note when a new register is created due to unrolling.
5072 * rtl.c (reg_note_name): Add REG_NOALIAS.
5073 * rtl.h (enum reg_note): Similarly.
5074 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5075 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5076 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5077 (true_dependence, read_dependence, anti_dependence): Likewise.
5078 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5079 (mark_user_reg, mark_reg_pointer): Likewise.
5082 * Integrate reload bugfix from Wilon which enables the PA port
5084 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5085 OPERAND_ADDRESS when computing how many registers an insn needs.
5086 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5088 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5090 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5091 in reload_reg_use_in_op_addr do not reach the end.
5092 do not reach the end.
5093 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5094 RELOAD_FOR_OPERAND_ADDRESS.
5096 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5098 * egcs project officially starts.