1 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3 * expr.c (expand_builtin_setjmp): Accept two new arguments for
4 the labels to branch to on first and subsequent executions. Don't
5 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
6 and provide it with the jmp_buf. Use only one of
7 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
8 and provide the former with the target label.
9 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
10 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
11 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
12 insn to replace all of the normal nonlocal_goto code. Don't play
13 with __dummy. Correct arguments to nonlocal_goto.
14 * expr.h (expand_builtin_setjmp): Update prototype.
15 * except.c (start_dynamic_handler): When using builtin_setjmp,
16 generate more accurate flow information.
18 * alpha.md (nonlocal_goto_receiver_osf): Delete.
19 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
20 (builtin_longjmp, builtin_setjmp_receiver): New.
21 * sparc.md (update_return): Disambiguate unspec number.
22 (nonlocal_goto): Rearrange arguments to match caller in except.c.
23 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
25 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
26 (builtin_setjmp_setup*, builtin_longjmp): New.
28 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
30 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
32 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
34 * vmsconfig.com: Remove bytecode references.
36 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
38 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
39 -fno-sjlj-exceptions works for a target that defines
40 DWARF2_UNWIND_INFO as zero.
42 * regmove.c (fixup_match_1): Undo last change which removed some
43 "useless" code, and add a comment explaining this.
45 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
47 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
50 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
52 * makefile.vms: Remove bytecode references.
55 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
57 * jump.c (jump_optimize): Allow conditional loading of floating point
58 constants and constants from memory. Reinstalled modified_in_p tests.
60 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
62 * loop.c (get_condition): Handle sign-extended constants.
64 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
66 * expr.c (emit_push_insn): Add code to use movstrti if present.
68 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
69 and movstrqi as in emit_block_move ().
71 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
73 * config/m68k/x-next: Remove /NextDeveloper/Headers from
74 the directories to fixinclude - /usr/include is a link
75 to it and hence its contents are fixed by default.
77 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
79 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
81 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
83 * cccp.c (main): Predefine __VMS_VER on VMS.
85 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
87 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
88 * fold-const.c (size_int): Replace with
90 (make_bit_field_ref): Use bitsize_int for bit position.
91 * stor-layout.c (sizetype): Delete.
92 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
93 (layout_record, layout_union, layout_type):
94 Use bitsize_int for bit size.
95 (set_sizetype): New function.
96 (make_signed_type, make_unsigned_type): Use it.
97 * c-decl.c (init_decl_processing): Likewise.
98 * tree.h (size_int): Don't delcare, #define.
99 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
100 (set_sizetype): Declare.
101 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
103 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
104 Convert result to sizetype.
105 (really_start_incremental_init, push_init_level):
106 Set type of constructor_bit_index to sbitsizetype.
107 (push_init_level): Use unsigned arithmetic to determine padding.
108 (output_init_element): Likewise.
110 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
112 * combine.c (simplify_shift_const): Fix typo in last change.
114 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
116 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
117 is (truncate (lshiftrt)).
119 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
121 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
122 Make sure result winds up in TGT.
123 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
124 src to be other than DImode.
125 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
126 (alpha_expand_unaligned_store_words): Likewise.
127 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
128 that source and destination are separately optimized for alignment.
129 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
131 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
133 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
134 with handling of -32768.
136 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
138 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
139 shell variable argument instead of only hard coded functions.
140 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
142 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
143 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
144 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
145 declarations for bcopy, bcmp and bzero.
147 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
149 * gansidecl.h: If we have bcopy but don't declare it, then do so.
150 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
151 bzero, index and rindex if they aren't already present.
153 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
155 * toplev.c (close_dump_file): Wrap function prototype for
156 argument "func" in PROTO.
157 (dump_rtl): Likewise.
159 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
161 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
163 (output_function_epilogue): Omit epilogue if nothing drops through.
164 (output_move_double): Supress int ldd usage on ultrasparc and v9.
165 (registers_ok_for_ldd_peep): Likewise.
166 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
167 (ultrasparc_adjust_cost): New function.
168 (sparc_issue_rate): New function.
169 * sparc.h (MASK_VIS, TARGET_VIS): New
170 (MASK_V8PLUS, TARGET_V8PLUS): New.
171 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
172 (TARGET_SWITCHES): Add vis and v8plus.
173 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
174 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
175 (RTX_COSTS): Use TARGET_HARD_MUL
176 (ADJUST_COST): Call ultrasparc_adjust_cost.
178 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
179 of load & fp appropritely.
180 (supersparc function units): Adjust for Haifa.
181 (ultrasparc function units): Likewise.
182 (get_pc_via_rdpc): All v9, not just arch64.
183 (movdi_v8plus, movdi_v8plus+1): New.
184 (adddi3_sp32+1): New.
185 (subdi3_sp32+1): New.
186 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
187 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
188 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
189 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
190 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
191 (ldd peepholes): Suppress for v9.
192 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
193 (return_subsi): Revmove.
195 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
197 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
198 save/restore MEM rtl.
200 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
202 * configure.in: Check for declaration of abort.
203 * acconfig.h: Corresponding changes.
204 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
207 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
209 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
212 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
214 * version.c: Bump for snapshot.
216 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
218 * configure.in: Check for atoq and atoll.
219 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
220 proper routine for converting ascii into long long values.
222 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
224 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
226 * vmsconfig.com: Remove bytecode references.
228 * alpha/vms.h (PREFIX): Define.
230 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
232 * am-alpha.h: Don't include alloca for OPEN_VMS.
234 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
236 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
237 (GCC_INCLUDE_DIR): Define
239 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
240 * makefile.vms: New file.
242 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
244 * alpha.c (output_prolog): Output '.name' directive
245 for minimal traceback information.
247 * alpha.c (output_prolog): Don't prepend entry point symbols
248 with '$' on OPEN_VMS.
250 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
251 Jeffrey A Law (law@cygnus.com)
253 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
256 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
258 * genemit.c (gen_exp): Likewise.
259 * genpeep.c (match_rtx): Likewise.
260 * genrecog.c (write_tree_1): Likewise.
262 * c-lex.c (yyprint): Use proper format string based upon
263 disposition of HOST_BITS_PER_WIDE_INT.
264 (yylex): Put casts in right place for args to build_int_2.
266 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
268 * combine.c: Fix typos in Jan27 changes.
270 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
272 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
273 (LINK_SPEC): Likewise.
274 (STARTFILE_SPEC): Likewise.
276 1998-01-28 Mike Stump <mrs@wrs.com>
278 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
280 * genattrtab.c (reload_completed): Define.
282 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
285 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
287 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
288 SUBREG_REG if the word count is unchanged, also in the input reload
289 case. Disable non-applicable sanity checks.
291 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
293 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
295 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
297 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
299 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
301 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
302 is a TREE_VEC before trying to use it for baseclasses.
303 (Chill uses the same field for a different purpose.)
305 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
307 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
309 * config.sub: More accurate determination of HP processor types.
311 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
314 prototype for `handle_sysv_pragma', and make it static. Add
315 parentheses around assignment used as truth value.
317 * combine.c (combine_instructions): Protect variable `prev' with
319 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
320 (extract_left_shift): Add parentheses around operand of &.
321 (merge_outer_ops): Avoid an empty body in an else-statement.
322 (gen_rtx_combine): Remove unused variable `i'.
324 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
325 function monstartup `void'. Likewise for internal_mcount. Add
326 `static void' prototype for moncontrol. Reconcile sprintf format
329 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
330 Make return type of function_arg_slotno explicitly `int'.
331 (reg_unused_after): Add parentheses around assignment used as
333 (save_regs): Add explicit braces to avoid ambiguous `else'.
334 (function_arg_slotno): Add parentheses around && within ||.
335 (function_arg_pass_by_reference): Likewise.
336 (sparc_flat_output_function_prologue): Reconcile fprintf format
339 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
340 assignment used as truth value.
342 * cplus-dem.c: Include <stdlib.h>.
343 (demangle_signature): Avoid an empty body in an else-statement.
344 (do_type): Remove unused variable `lvl'.
346 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
347 Include <string.h>/<strings.h>.
348 (cpp_lex): Remove unused variable `namelen'.
349 (cpp_lex): Explicitly declare `num_chars' as an int.
351 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
352 <unistd.h> instead. Explicitly declare is_system_include
354 (make_assertion): Remove unused variable `kt'.
355 (cpp_expand_to_buffer): Hide variable `obuf'.
356 (output_line_command): Remove unused variables, `line_end',
357 `line_cmd_buf' and `len'.
358 (macarg): Remove unused variable `arg_start'.
359 (special_symbol): Remove unused variable `i'. Add parentheses
360 around assignment used as truth value.
361 (do_include): Remove unused variables `pcfname' and `retried',
362 hide `pcf' and `pcfbuflimit'.
363 (do_line): Remove unused variable `i'.
364 (finclude): Hide variable `missing_newline'.
365 (cpp_handle_options): Remove unused variable `j'.
366 (read_token_list): Remove unused variable `eofp'.
367 (cpp_error_with_line): Remove unused variable `i'.
368 (cpp_warning_with_line): Likewise.
369 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
370 (cpp_error_from_errno): Remove unused variable `i'.
372 * cse.c (invalidate): Add parentheses around assignment used as
374 (find_best_addr): Move declaration of variable `our_cost' inside
375 the conditional macro where its used.
376 (fold_rtx): Avoid an empty body in an if-statement.
377 (cse_insn): Wrap variables `this_insn_cc0_mode' and
378 `this_insn_cc0' in macro HAVE_cc0.
380 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
381 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
382 (output_uleb128): Likewise.
383 (output_sleb128): Likewise.
384 (output_cfi): Likewise.
385 (output_call_frame_info): Remove unused variables `j', `fde_size'
387 (comp_unit_has_inlines): Hide declaration as per rest of file.
388 (size_of_line_prolog): Correct typo in prototype.
389 (add_arange): Likewise.
390 (output_aranges): Likewise.
391 (add_name_and_src_coords_attributes): Likewise.
392 (gen_array_type_die): Likewise.
393 (gen_inlined_subroutine_die): Likewise.
394 (equate_decl_number_to_die): Remove unused variable `i'.
395 (print_die): Reconcile format vs. args in fprintf's.
396 (print_dwarf_line_table): Likewise.
397 (output_die): Likewise.
398 (output_line_info): Likewise.
399 (add_subscript_info): Avoid an empty body in an else-statement.
400 (gen_subprogram_die): Remove unused variable `fp_loc'.
402 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
403 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
404 macro. Protect `src_coords_attribute' prototype with
405 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
406 prototype as in the rest of the file. Likewise for
407 `output_pointer_type_die' and `output_reference_type_die'. Remove
408 prototype for `type_of_for_scope'.
409 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
410 (type_attribute): Add explicit braces to avoid ambiguous `else'.
412 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
413 (shorten_branches): Protect declaration of tmp_length with
414 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
415 (profile_function): Protect declaration of `sval' and `cxt'
416 variables with appropriate macros.
417 (final_scan_insn): Likewise for `note' variable. Add explicit
418 braces to avoid empty body in an if-statement.
419 (output_asm_insn): Move variable `i' inside macro conditional
420 where it is used. Add parentheses around assignment used as truth
422 (asm_fprintf) Likewise, likewise.
424 * fix-header.c (main): Remove unused variable `done'. Protect
425 declaration of `i' with FIXPROTO_IGNORE_LIST.
427 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
429 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
432 * profile.c: Include <string.h>/<strings.h>.
433 (instrument_arcs): Remove unused variables `note', `inverted',
434 `zero' and `neg_one'.
435 (branch_prob): Avoid empty body in an if-statement.
437 * regclass.c: Include <stdlib.h>.
438 (reg_alternate_class): Explicitly declare parameter `regno'.
440 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
441 parentheses around assignment used as truth value.
442 (find_matches): Remove unused variables `output_operand' and
444 (fixup_match_1): Remove statement with no effect: "if (0) ;".
446 * scan.c (sstring_append): Explicitly declare `count' as int.
447 (scan_string): Explicitly declare parameter `init' as int.
449 * sched.c: Include <stdlib.h>.
450 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
451 (rank_for_schedule): Add parentheses around assignment used as
453 (schedule_block): Likewise.
454 (regno_use_in): Likewise.
455 (schedule_insns): Remove unused variable `i'.
457 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
458 (v_message_with_decl): Remove unused variable `n'.
459 (botch): Explicitly declare parameter `s' as char *.
460 (main): Add parentheses around assignment used as truth value.
462 * tree.c (make_node): Protect the variable `kind' with the
463 GATHER_STATISTICS macro.
464 (real_value_from_int_cst): Move variable `e' inside conditional
465 macro area where it is used.
466 (tree_last): Add parentheses around assignment used as truth value.
467 (build1): Protect the variable `kind' with the GATHER_STATISTICS
469 (print_obstack_statistics): Reconcile format vs. args in fprintf.
470 Protect variables `i', `total_nodes', and `total_bytes' with the
471 GATHER_STATISTICS macro.
473 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
475 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
476 some comments regarding use of dead_or_set_p.
478 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
480 * fixincludes: Tweak fix for struct exception in math.h
482 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
484 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
485 Change mode of registers used to add/sub from
486 hard_frame_pointer_rtx from word_mode to Pmode.
488 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
490 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
491 asm_output_aligned_bss() instead of asm_output_bss().
493 * toplev.c (rest_of_compilation): Replace references to
494 stack_reg_dump_file and dbr_sched_dump_file with references to
497 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
499 * tlink.c (scan_linker_output): Call fclose() for opened files.
501 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
503 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
504 compiling with -fpic -- we want to be able to override symbols
506 (alpha_expand_block_move): Fix thinko in last change.
508 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
509 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
510 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
512 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
514 * alpha.md (abssf, absdf): Revert last change.
516 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
518 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
519 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
521 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
523 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
524 a CONST_INT into SFmode.
526 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
528 * flags.h: New flag (optimize_size).
529 * toplev.c (main): Parse -Os option and set optimize_space
531 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
532 __OPTIMIZE_SIZE__ when compiling with -Os.
533 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
534 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
535 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
537 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
539 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
541 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
542 stuff only if MCT_TEXT is #define'd.
544 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
546 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
549 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
551 * toplev.c: Add -dM command line option to dump RTL after the
552 machine dependent reorganisation pass, if there is one.
553 Reorganise RTL dump code, so that only one file handle is
556 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
558 * except.c (check_exception_handler_labels): Disable warning when
561 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
563 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
565 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
567 * c-decl.c (grokdeclarator): Get parameter tags from
568 last_function_parm_tags.
569 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
570 traversing the parameter types.
571 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
573 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
575 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
577 (get_shift_alg): Fix typo.
579 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
581 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
583 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
585 * toplev.c (get_run_time): Make sure each case gets its variables.
587 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
589 * configure.in (build_xm_file): Add auto-config.h if host=build.
590 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
591 (build_xm_file_list): Likewise.
592 * configure: Rebuild.
594 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
596 * recog.c (validate_replace_rtx_1): Only perform substitutions
597 of arguments to commutative and comparison operators once.
599 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
601 * sparc.c (output_cbranch): Add default case in
604 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
605 (emit_delay_sequence): Eliminate unused parameter, all callers
607 (fill_simple_delay_slots): Likewise.
608 (fill_slots_from_thread): Likewise.
609 (fill_eager_delay_slots): Likewise.
610 (mark_referenced_resources): Add default case in enumeration switch.
611 (mark_set_resources): Likewise.
612 (rare_destination): Likewise.
613 (mostly_true_jump): Likewise.
614 (find_dead_or_set_registers): Likewise.
615 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
616 (update_reg_unused_notes): Remove unused variable `p'.
617 (mark_target_live_regs): Remove unused variables `next' and
619 (fill_simple_delay_slots): Remove unused variable `j'.
620 (fill_slots_from_thread): Add parentheses around assignment used
622 (dbr_schedule): Likewise.
624 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
625 (objc.stage2, objc.stage3, objc.stage4): Likewise.
627 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
629 * cse.c (simplify_ternary_operation): Don't try to simplify
630 IF_THEN_ELSE expressions (created by combine) that don't use
631 relational operators.
633 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
635 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
638 * crtstuff.c (init_dummy): Keep the epilogue in the init
639 section for non-ELF systems.
641 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
643 * sh.md (movqi_i+1): New peephole.
645 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
647 * Makefile.in: Remove remaining bytecode stuff.
648 * emit-rtl.c, expr.c: Likewise.
650 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
652 * toplev.c (lang_options): Add unknown-pragma options.
654 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
656 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
657 special (and incomplete) handling for Chill arrays.
659 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
661 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
664 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
666 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
668 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
670 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
671 .frame directive instead of FRAME_POINTER_REGNUM.
673 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
675 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
676 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
677 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
678 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
679 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
680 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
681 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
682 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
684 * longlong.h: Replace __mc68332__ with __mcpu32__.
686 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
688 * version.c: Bump for snapshot.
690 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
692 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
693 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
694 * reload1.c (eliminate_regs): Likewise.
696 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
698 * regmove.c (find_matches): Initialize matches->earlyclobber too.
700 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
702 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
703 (negsf2, negdf2): Use proper subtract in IEEE mode.
705 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
707 * Makefile.in: Remove more bytecode stuff.
708 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
709 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
710 * f/install.texi, objc/Make-lang.in: Likewise.
712 * Makefile.in: Remove all bytecode support.
713 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
714 * emit-rtl.c: Remove all bytecode support.
715 * expr.c, expr.h function.c, integrate.c: Likewise.
716 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
717 * tree.h, varasm.c: Likewise.
718 * config/m68k/m68k.h: Likewise.
719 * bi-*, bc-*, bytecode*: Delete bytecode related files.
720 * modemap.def: Likewise.
722 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
724 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
725 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
727 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
729 * i386.md (push): Prohibit symbolic constants if flag_pic.
730 (movsi+1): Likewise for move to non-register.
732 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
734 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
735 (print_operand): Handle 0xffffffff on 32 bit host.
737 * configure.in (thread_file): Rename uses before main loop to
738 target_thread_file. Initialize to empty in main loop. Set thread_file
739 to target_thread_file after main loop if not set.
740 * configure: Rebuild.
742 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
743 (add_values_to_cover): Revert last change (which had no ChangeLog
745 (simplify_with_current_value_aux): Handle CONST_INT.
747 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
749 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
751 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
753 * configure.in: Add cpp stringify test.
754 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
755 * gengenrtl.c: Use it.
756 * configure, config.in: Rebuild.
758 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
760 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
762 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
764 * configure.in: Find declaration for sbrk.
765 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
766 * config.in, configure: Rebuild.
767 * mips-tfile.c: Properly protect declaration of sbrk and free.
768 * toplev.c: Properly protect declaration of sbrk.
770 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
772 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
774 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
776 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
778 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
780 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
782 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
784 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
785 constant offset computations from objects with known alignment in
786 the presence of STACK_BIAS.
788 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
790 (const_hash): Hash val is unsigned long.
793 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
795 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
796 char pointer, not HOST_WIDE_INT.
797 (print_node): Likewise. Also hash is unsigned long not
800 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
802 * explow.c (optimize_save_area_alloca): New function for targets
803 where SETJMP_VIA_SAVE_AREA is true.
804 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
805 compute the amount of stack space needed should we find later that
806 setjmp is never called by this function, stuff rtl for this inside
807 a REG_NOTE of the final SET of stack_pointer_rtx.
808 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
809 current_function_calls_alloca, call optimize_save_area_alloca.
811 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
813 * i386.md: Remove redundant integer push patterns.
814 Don't bother checking for TARGET_PUSH_MEMORY when
815 pushing constants or registers.
817 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
818 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
820 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
821 (pwait): New function for mingw32.
823 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
824 pipe support is broken for now.
826 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
828 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
829 between frame_pointer_rtx, hard_frame_pointer_rtx, and
830 arg_pointer_rtx is respected in initialization.
831 (init_emit_once): Use gen_rtx_raw_REG() to create
832 return_address_pointer_rtx.
834 * reorg.c: #include "expr.h" for rtx prototypes.
835 * Makefile.in (reorg.o): Depend on expr.h
837 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
839 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
840 local_prefix to sub-make invocations.
842 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
844 * objc-parse.c: Recognize protocol qualifiers in class definitions.
846 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
850 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
851 * configure.in: Check for atol.
852 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
854 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
856 * loop.c (find_and_verify_loops): When attempting to move insns from
857 inside the loop outside the loop, create a BARRIER if no suitable
860 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
861 favor of an equivalent change from gcc-2.8.
863 * i386/x-sco5 (CC): Remove trailing whitespace.
865 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
867 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
868 (accessor_from_format): Likewise.
869 (xmalloc): New function for use when linking with alloca.o.
871 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
873 * frame.c (find_fde): Correct FDE's upper bound.
875 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
877 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
879 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
881 * calls.c (expand_call): Move #ifdef code out of macro argument
883 (emit_library_call, emit_library_call_value): Likewise.
885 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
887 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
889 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
891 * version.c: Bump for snapshot.
893 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
895 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
896 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
897 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
898 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
899 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
900 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
901 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
902 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
903 * unroll.c, varasm.c: Likewise.
904 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
906 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
908 * mips.h: Fix some type-o's from a previous change.
910 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
912 * loop.c (check_dbra_loop): Make sure initial value is a
913 CONST_INT before trying to normalize it.
915 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
917 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
919 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
921 * cppexp.c: Include gansidecl.h
923 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
925 * svr4.h (LINK_SPEC): Never specify -h.
926 * ptx4.h (LINK_SPEC): Likewise.
927 * rs6000/sysv4.h (LINK_SPEC): Likewise.
928 * sparc/sol2.h (LINK_SPEC): Likewise.
930 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
932 * c-typeck.c (comptypes): Exit early on NULL input.
934 * haifa-sched.c (schedule_insns): Correctly remove inter-block
935 dependencies after reload.
937 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
939 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
941 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
943 * alpha/vms.h (DIR_SEPARATOR): define
945 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
947 * Makefile.in (stamp-proto): Remove.
948 (protoize.o, unprotoize.o): Straightforward compile.
949 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
951 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
953 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
954 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
956 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
958 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
959 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
960 * sparc/netbsd.h, vax/netbsd.h: Likewise.
962 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
964 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
966 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
968 * configure.in (target_cpu_default, target_cpu_default2): Use double
969 quotes around them when testing their value.
970 * configure: Rebuilt.
972 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
974 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
976 (gendef): Call obstack_alloc_rtx.
978 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
980 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
983 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
985 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
986 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
987 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
989 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
991 * mips.md (return_internal): Change mode from SImode to VOIDmode.
993 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
995 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
998 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1000 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1001 suffix from operand 3.
1003 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1004 Jeffrey A Law (law@cygnus.com)
1006 * regmove.c: New implementation of regmove pass.
1007 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1008 decls, make them have external linkage. Return a value from
1009 optimize_reg_copy_1.
1010 * reload.h (count_occurrences): Add decl.
1011 * reload1.c (count_occurrences): Delete decl, make it have external
1013 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1015 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1017 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1018 if it is not defined.
1020 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1022 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1023 * emit-rtl.c (gen_rtx): Move special code to ...
1024 (gen_rtx_CONST_INT): New function.
1025 (gen_rtx_REG): New function.
1026 (*): Update all calls to gen_rtx.
1027 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1028 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1029 (GEN_INT): Call gen_rtx_CONST_INT.
1030 * gengenrtl.c: New file.
1032 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1034 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1035 (base_alias_check): If no base found for address call canon_rtx and
1038 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1040 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1041 arguments for mips16.
1042 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1043 Don't lose if tsize is zero after handling large stack for mips16.
1044 * mips.md (return): For trivial return, return address is in $31.
1046 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1048 * mips/mips16.S: Various changes to make it work with -msingle-float
1051 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1052 Ian Lance Taylor <ian@cygnus.com>
1053 Jeff Law <law@cygnus.com>
1055 * mips.c, mips.h, mips.md: First cut at merging in mips16
1056 support. Major modifications throughout all three files.
1058 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1060 * configure.in: Make gthr-default.h a forwarding header instead of
1063 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1065 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1067 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1069 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1070 Jeffrey A Law (law@cygnus.com)
1072 * crtstuff.c (__frame_dummy): New function for irix6.
1073 (__do_global_ctors): Call __frame_dummy for irix6.
1074 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1076 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1078 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1080 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1082 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1083 for __builtin_memset.
1084 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1085 not INTEGER_CST. Assert arg 3 is a constant.
1087 * alpha.c (mode_width_operand): Accept 64-bit modes.
1088 (mode_mask_operand): Likewise.
1089 (print_operand): Likewise for 'M' and 'U' codes.
1090 (alpha_expand_unaligned_load): New function.
1091 (alpha_expand_unaligned_store): Likewise.
1092 (alpha_expand_unaligned_load_words): Likewise.
1093 (alpha_expand_unaligned_store_words): Likewise.
1094 (alpha_expand_block_move): Likewise.
1095 (alpha_expand_block_clear): Likewise.
1096 * alpha.h (MOVE_RATIO): New define.
1097 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1098 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1100 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1101 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1103 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1105 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1106 * configure: Update.
1108 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1110 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1111 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1113 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1116 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1118 * configure.in: Set and subsitute host_exeext. Use it when creating
1119 the assembler and linker symlinks.
1120 * configure: Rebuild.
1121 * Makefile.in (exeext): Set to @host_exeext@.
1122 (build_exeext): New variable, set to @build_exeext@.
1123 (FLAGS_TO_PASS): Pass down build_exeext.
1124 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1127 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1129 * mn10200.md (addsi3, subsi3): Fix thinkos.
1131 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1133 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1134 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1135 unix always, since we want to be able to thunk to functions in a
1136 shared library from an application.
1138 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1140 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1141 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1143 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1145 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1146 offset's mode is not ptr_mode, convert it.
1148 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1150 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1151 compiling if it was already defined.
1153 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1155 * flow.c (find_basic_blocks): Don't create a new basic block
1156 for calls in a LIBCALL block.
1158 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1160 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1162 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1164 * cse.c (rtx_cost): Remove conflicting default case.
1166 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1168 * configure.in: Move default enabling of Haifa out of for loop.
1169 * configure: Rebuild.
1171 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1173 * version.c: Bump for snapshot.
1175 1997-12-25 Teemu Torma <tot@trema.com>
1177 * Makefile.in (GTHREAD_FLAGS): New var.
1178 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1179 (distclean): Remove gthr-default.h.
1181 * configure.in: Accept dce as a thread package.
1182 Check for thread.h and pthread.h.
1183 Link gthr-default.h to appropriate thread file and set
1185 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1186 include multilib definitions from pa/t-dce-thr.
1187 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1188 pthread.h is found, preferring posix threads over solaris ones.
1190 * config/pa/t-dce-thr: New file.
1191 * config/pa/t-pa: Removed multilibs.
1192 * config/sparc/t-sol2: Ditto.
1195 * gthr-single.h: New file.
1196 * gthr-posix.h: New file.
1197 * gthr-solaris.h: New file.
1198 * gthr-dce.h: New file.
1199 * libgcc-thr.h: Removed.
1200 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1202 * frame.c: Include gthr.h instead of libgcc-thr.h.
1203 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1204 (eh_context_initialize): If __gthread_once fails, use static eh
1206 (eh_context_free): Call __gthread_key_dtor.
1208 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1210 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1212 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1214 * cse.c (max_insn_uid): New variable.
1215 (cse_around_loop): Use max_insn_uid.
1216 (cse_main): Set max_insn_uid.
1218 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1219 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1220 -mlong64, and -mgp{32,64} options.
1221 * mips.c (mips_abi): Change type to int.
1222 * mips.h (enum mips_abi_type): Delete.
1223 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1224 (mips_abi): Change type to int.
1226 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1228 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1229 optimization is now always enabled.
1231 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1234 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1236 (*_dependence): Call canon_rtx before base_alias_check.
1237 (init_alias_once): New function to precompute set of registers which
1238 can hold Pmode function arguments.
1240 * rtl.h: Declare init_alias_once.
1242 * toplev.c (compile_file): Call init_alias_once.
1244 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1246 * tree.c (restore_tree_status): Do not dereference a null pointer.
1248 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1250 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1251 RLIMIT_STACK. This maintains consistency with the recent, similar
1252 patch to cccp.c and toplev.c.
1254 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1256 * genattrtab.c (expand_units): For large nr opclasses, expand
1257 function_units_used with ORX to prevent blowups. Tag with FFS.
1258 (num_unit_opclasses): New variable.
1259 (gen_unit): Update it.
1260 (enum operator): Add ORX_OP.
1261 (operate_exp): Treat ORX as or, except don't expand across an if.
1262 Reuse number rtx's after operating on them.
1263 (check_attr_value): Accept IOR, AND, & FFS.
1264 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1265 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1266 (write_expr_attr_cache, write_toplevel_expr): New functions.
1267 (write_attr_get): Handle FFS-tagged expressions.
1268 (make_canonical): Don't expand const attributes.
1269 (convert_const_symbol_ref): Dike out.
1270 (evaluate_eq_attr): Handle SYMBOL_REF.
1271 (main): Don't emit get_attr_foo for const attributes.
1273 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1274 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1275 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1276 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1277 combining function units where possible.
1278 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1279 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1280 (attr "opsize"): New attribute.
1281 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1282 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1283 to control register allocation.
1284 (movsi2-1, movdi2-1): Likewise.
1286 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1288 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1289 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1290 Move OSF/1 specific defines out.
1291 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1292 Move Linux specific defines out.
1293 (LINK_SPEC): Genericize.
1294 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1295 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1296 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1297 (HANDLE_SYSV_PRAGMA): Define.
1298 * alpha/osf.h: New file.
1299 * alpha/linux.h: Split. Retain file-format independant defines.
1300 Import Linux bits from elf.h.
1301 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1302 (FUNCTION_PROFILER): _mcount takes its address in $28.
1303 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1304 * alpha/linux-ecoff.h: New file.
1305 * alpha/linux-elf.h: New file.
1306 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1307 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1308 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1309 Add new headers as appropriate.
1311 * configure.in (alpha*): Enable Haifa by default.
1312 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1313 * configure: Rebuild.
1315 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1317 * Makefile.in (clean): Remove the stages with their objects here ...
1318 (distclean): ... instead of here.
1320 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1322 * cse.c (rtx_cost): Add default case in enumeration switch.
1323 * fix-header.c (recognized_macro): Likewise.
1324 (recognized_extern): Likewise.
1325 (write_rbrac): Likewise.
1326 * objc/objc-act.c (encode_aggregate): Likewise.
1327 (gen_declarator): Likewise.
1328 (gen_declspecs): Likewise.
1330 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1332 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1333 case where we kill more regs after sched than were killed before
1335 * sched.c (create_reg_dead_note): Similarly.
1337 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1339 * c-pragma.c: Include flags.h.
1341 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1343 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1344 about system headers.
1345 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1346 and also to resolve symbols in prefix.c.
1348 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1349 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1350 when the definitions in auto-config.h is not visible.
1351 (HAVE_BZERO): Likewise.
1352 (HAVE_BCMP): Likewise.
1353 (HAVE_RINDEX): Likewise.
1354 (HAVE_INDEX): Likewise.
1356 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1358 * pa.c (emit_move_sequence): Handle a function label source
1361 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1363 * c-pragma.c (handle_pragma_token): Generate warning messages
1364 about unknown pragmas if warn_unknown_pragmas is set.
1366 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1367 line option to set variable: warn_unknown_pragmas.
1369 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1371 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1373 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1375 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1377 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1378 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1379 generate more fine grained floating point emulation libraries.
1380 * config/fp-bit.c: Add protecting #ifdef to all functions so
1381 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1382 then compile all suitable functions.
1383 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1384 underscores to avoid namespace pollution.
1385 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1387 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1391 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1392 Jeff Law <law@cygnus.com>
1394 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1396 * c-decl.c (finish_decl): Use parentheses around && within ||.
1397 * rtl.c: Include stdlib.h.
1398 (read_skip_spaces): Add parentheses around assignments used as
1400 (read_rtx): Initialize list_rtx.
1401 * cppexp.c (parse_number): Use || when operands are truth values.
1402 * alias.c (find_base_value): Add default case.
1403 (memrefs_conflict): Likewise.
1404 * combine.c (sets_function_arg_p): Likewise.
1405 * genemit.c (gen_exp): Likewise.
1406 * local-alloc.c (contains_replace_regs): Likewise.
1407 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1408 * fold-const.c (fold_convert): Use "&&" for truth values.
1409 (fold): Add default case.
1410 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1411 (sdbout_one_type): Add default case.
1412 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1413 (some_operand): Add default case.
1414 (input_operand): Likewise.
1415 (signed_comparison_operator): Likewise.
1416 (divmod_operator): Likewise.
1417 (alpha_set_memflags_1): Likewise.
1418 * reload1.c (reload_cse_simplify_operands): Ensure function
1419 always returns a value.
1420 * scan-decls.c (scan_decls): Likewise.
1421 * c-lex.c (skip_white_space): Fix typo in declaraion.
1422 * c-typeck.c (comp_target_types): Add parentheses around assignment
1423 used as truth value.
1424 (print_spelling): Likewise.
1425 (constructor_implicit, constructor_result): Remove unused variables.
1426 * collect2.c (scan_library): Protect prototype with
1427 #ifdef SCAN_LIBRARIES.
1428 * emit-rtl.c (find_line_note): Fix typo in declaration.
1429 * final.c (asm_insn_count): Protect prototype with
1430 #ifdef HAVE_ATTR_length.
1431 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1432 (try_pre_increment_1, try_pre_increment): Likewise.
1433 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1434 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1435 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1436 unsigned/signed comparisons.
1437 * gcov.c (read_files): Remove unused "first_type" variable.
1438 (scan _for_source_files): Initialize s_ptr.
1439 (function_summary): Eliminate "%lf" formatting, use %ld for
1441 (output_data): Initialize branch_probs and last_line_num.
1442 Eliminate "%lf" formatting, use "%ld" for longs.
1444 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1446 * mips16.S: New file.
1448 * libgcc2.c (varargs): Handle mips16.
1450 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1452 * stmt.c (expand_end_case): Likewise.
1453 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1454 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1455 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1457 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1459 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1460 the build directory.
1461 (libobjc.a): Update dependency list.
1462 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1464 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1465 (objc.mostlyclean): Remove runtime-info.h.
1467 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1469 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1470 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1471 * dwarf2out.c (add_subscript_info): Likewise.
1472 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1473 * sdbout.c (plain_type_1): Likewise.
1474 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1476 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1479 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * mips.c (fatal): Remove declaration.
1483 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1485 * integrate.c (get_label_from_map): New function.
1486 (expand_inline_function): Use it. Initialize the label_map to
1487 NULL_RTX instead of gen_label_rtx.
1488 (copy_rtx_and_substitute): Use get_label_from_map.
1489 * integrate.h (get_label_from_map): New function.
1490 (set_label_from_map): New macro.
1491 * unroll.c (unroll_loop): Use them.
1492 (copy_loop_body): Ditto.
1494 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1496 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1497 (INIT_TARGET_OPTABS): Define.
1498 * mips/ecoff.h: Include gofast.h before mips.h.
1499 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1500 * mips/elf64.h: Likewise.
1501 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1503 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1505 * except.c: Remove register_exception_table{,_p}.
1507 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1509 * unroll.c (calculate_giv_inc): Handle constant increment found in
1510 a MEM with an appropriate REG_EQUAL note.
1512 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1514 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1515 frame pointer in the prologue.
1517 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1519 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1520 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1522 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1524 * config/m68k/m68k.c (output_function_prologue): Typecast
1525 dwarf2out_cfi_label to (char *).
1526 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1528 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1530 * sparc.md (jump): Don't use the annul bit around an empty loop.
1531 Patch from Kevin.Kelly@East.Sun.COM.
1533 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1535 * jump.c: (jump_optimize): Don't use the return register as a
1536 source1 of a conditional move.
1538 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1540 * sparc.c (DF_MODES): Or the mask not the bit number.
1541 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1543 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1545 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1547 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1549 * fixincludes (size_t): Add support for Motorola's stdlib.h
1550 which fails to provide a definition for size_t.
1551 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1552 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1553 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1555 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1556 prevent unresolved externals in libio.
1557 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1559 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1561 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1562 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1563 (LIB_SPEC): Updated for glibc 2.
1565 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1567 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1568 * ginclude/varargs.h: Likewise.
1570 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1572 * version.c: Bump for snapshot.
1574 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1576 * frame.h (__register_frame, __register_frame_table,
1577 __deregister_frame): New.
1578 * frame.c (__register_frame, __register_frame_table,
1579 __deregister_frame): New.
1580 * frame.c (__deregister_frame_info): Return void *.
1581 * frame.h (__deregister_frame_info): Ditto.
1582 * collect2.c (__deregister_frame_info): Ditto.
1584 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1586 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1588 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1590 * alpha.c (alpha_cpu_name): New variable.
1591 (alpha_mlat_string): Likewise.
1592 (alpha_memory_latency): Likewise.
1593 (override_options): Handle -mmemory-latency.
1594 (alpha_adjust_cost): Adjust load cost for latency.
1595 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1596 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1597 TARGET_CIX into account.
1598 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1599 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1601 * alpha.h (ASM_COMMENT_START): New macro.
1603 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1605 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1606 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1608 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1609 SUBREG_REG if the word count is unchanged.
1610 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1611 subregs of identical word size for push_reload.
1613 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1615 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1616 if all we're doing is dealing with -Wreturn-type.
1618 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1620 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1621 Use and 255 instead of zapnot 1, since it schedules better.
1623 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1625 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1628 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1630 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1631 dependency we delete. Properly update prev for multiple consecutive
1633 (priority): Skip deleted dependence.
1635 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1637 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1639 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1641 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1642 determining when a new basic block starts.
1644 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1646 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1647 * pa.md (iorsi3): Add missing args to *_operand calls.
1649 * except.c (call_get_eh_context): Don't mess with sequences.
1650 (emit_eh_context): Include the call in the sequence here.
1652 1997-12-11 Paul Eggert <eggert@twinsun.com>
1654 * collect2.c (write_c_file_glob): Allocate initial frame object
1655 in static storage and pass its address.
1657 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1659 * except.c (call_get_eh_context): Don't take a parm.
1660 Put the call at the top of the function.
1661 (emit_eh_context): Adjust.
1662 (get_eh_context): Replace with former use_eh_context.
1663 (get_eh_context_once, get_saved_pc_ref): Remove.
1664 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1666 * integrate.c (expand_inline_function): Adjust.
1667 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1669 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1671 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1672 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1674 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1676 * fixincludes (strlen,strspn,strcspn return value): Handle different
1678 (hypot): Provide a fake for hypot which is broken on
1679 m88k-motorola-sysv3.
1681 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1683 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1684 tree_code_name from pointers to arrays.
1685 * tree.c: Remove standard_tree_code_* variables, no longer used.
1686 * print-tree.c: Remove declaration of tree_code_name.
1688 * cp/lex.c (init_lex): Update for tree_code_* changes.
1689 * objc/objc-act.c (init_objc): Likewise.
1691 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1694 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1696 * config.sub: Add support for BeOS target.
1697 * configure.in: Likewise.
1698 * ginclude/stdarg.h: Likewise.
1699 * ginclude/stddef.h: Likewise.
1700 * ginclude/varargs.h: Likewise.
1701 * rs6000/beos.h: New file for BeOS.
1702 * rs6000/t-beos: Likewise.
1703 * rs6000/x-beos: Likewise.
1704 * rs6000/xm-beos.h: Likewise.
1705 * toplev.c (get_run_time): Just return 0 on BeOS.
1707 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1708 Toon Moene (toon@moene.indiv.nluug.nl)
1710 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1711 old and broken Sun3 assemblers. Newer versions handle large
1712 offsets correctly as does the GNU assembler.
1714 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1716 * objc/objc-act.c (lang_report_error_function): Disable.
1717 * objc/objc-parse.y: Include "output.h".
1718 (yyerror): Remove redundant decl.
1719 (yyprint): Fix prototype.
1720 (apply_args_register_offset): Remove redundant decl.
1721 (get_file_function_name): Likewise.
1723 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1725 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1727 (find_basic_blocks_1): Likewise.
1729 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1731 * except.c (use_eh_context): Don't copy_rtx a REG.
1732 (emit_throw): Lose old unwinder support.
1733 (expand_internal_throw): Likewise.
1734 * libgcc2.c (struct eh_context): Likewise.
1735 (new_eh_context): Likewise.
1736 (__get_eh_info): Lose redundant cast.
1737 (__get_dynamic_handler_chain): Likewise.
1738 (__get_saved_pc): Lose.
1739 Lose all old unwinder support code.
1741 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1743 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1745 * integrate.c (expand_inline_function): If the inline fn uses eh
1746 context, make sure that the current fn has one.
1747 * toplev.c (rest_of_compilation): Call emit_eh_context.
1748 * except.c (use_eh_context): New fn.
1749 (get_eh_context_once): New fn.
1750 (call_get_eh_context): New fn.
1751 (emit_eh_context): New fn.
1752 (get_eh_context): Call either get_eh_context_once or
1753 call_get_eh_context, depending on what we have.
1754 (get_dynamic_handler_chain): Call get_eh_context_once.
1755 * except.h: Prototypes for fns above.
1756 * optabs.c (get_eh_context_libfunc): Removed.
1757 (init_optabs): Don't initialize it.
1758 * expr.h (get_eh_context_libfunc): Removed.
1759 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1760 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1761 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1762 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1763 New multilib for -threads.
1764 * config/sparc/t-sol2: Added multilibs for -threads and
1765 made -pthreads alias to it.
1766 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1767 Added -threads and -pthreads options.
1768 * libgcc-thr.h: New file.
1769 * libgcc2.c: (__get_cpp_eh_context): Removed.
1770 (struct cpp_eh_context): Removed.
1771 (struct eh_context): Replaced cpp_eh_context with generic language
1773 (__get_eh_info): New function.
1774 (__throw): Check eh_context::info.
1776 * libgcc2.c: Include libgcc-thr.h.
1777 (new_eh_context, __get_eh_context,
1778 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1779 eh_context_specific, eh_context_free): New functions.
1780 (get_eh_context, eh_context_key): New variables.
1781 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1782 get_eh_context to get the context.
1783 (longjmp): Move the declaration inside
1784 #ifdef DONT_USE_BUILTIN_SETJMP.
1785 * frame.c: Include libgcc-thr.h.
1786 (object_mutex): Mutex to protect the object list.
1787 (find_fde, __register_frame, __register_frame_table,
1788 __deregister_frame): Hold the lock while accessing objects.
1789 * except.h (get_eh_context): Declare.
1790 * except.c (current_function_ehc): Define.
1791 (current_function_dhc, current_function_dcc): Removed.
1792 (get_eh_context): New function.
1793 (get_dynamic_handler_chain): Use get_eh_context.
1794 (get_saved_pc_ref): Ditto.
1795 (get_dynamic_cleanup_chain): Removed references to
1796 current_function_dcc.
1797 (save_eh_status, restore_eh_status): Save and restore
1798 current_function_ehc instead.
1799 * optabs.c (get_eh_context_libfunc): New variable.
1800 (init_optabs): Initialize it.
1801 * expr.h: Declare get_eh_context_libfunc.
1802 * function.h (struct function): Replaced dhc and dcc with ehc.
1803 * except.c (get_saved_pc_ref): New functions.
1804 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1805 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1807 (end_eh_unwinder): Likewise.
1808 (init_eh): Remove initialization of eh_saved_pc.
1809 * optabs.c (get_saved_pc_libfunc): New variable.
1810 (init_optabs): Initialize it.
1811 * expr.h: Declare get_saved_pc_libfunc.
1812 * except.h (eh_saved_pc_rtx): Deleted.
1813 (get_saved_pc_ref): Declared.
1815 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1816 * libgcc2.c (__get_saved_pc): New.
1817 (__eh_type, __eh_pc): Deleted.
1818 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1819 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1822 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1824 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1825 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1828 * rtl.h (global_rtl): New variable, replacing separate variables for
1830 (const_int_rtx): Now array of rtx_def, not rtx.
1831 * emit-rtl.c: Update for new rtl data structures.
1832 * genattrtab.c: Define global_rtl.
1834 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1836 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1839 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1841 * crtstuff.c (__do_global_ctors): Fix typo.
1843 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1845 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1846 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1848 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1850 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1851 * rs6000.c (function_arg_padding): New function.
1853 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1855 * m68k.c: Include tree.h only once.
1857 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1859 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1861 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1863 * Partially cleaned up prototyping code from HJ.
1864 * tree.h: Add many prototypes.
1865 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1866 All references changed.
1867 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1869 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1871 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1872 string functions like strlen.
1874 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1876 * configure.in: Check for functions getrlimit and setrlimit.
1877 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1878 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1880 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1882 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1884 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1886 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1889 * alpha.c (override_options): Don't know about scheduling for EV6.
1890 * alpha.md (ev5 function units): Don't overload as ev6.
1892 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1893 * alpha.md (define_attr type): Add mvi.
1894 (ev5_e0): Define sceduling parameters for it.
1895 (TARGET_MAX insns): Type is mvi not shift.
1897 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1899 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1901 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1903 * cstamp-h, auto-config.h: Delete.
1905 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1907 * version.c: Bump for snapshot.
1909 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1911 * cccp.c: Fix typo brought over in merge.
1913 * Merge in changes from gcc-2.8.
1915 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1917 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1919 * gcc.c (process_command): Do not take address of function fatal when
1920 calling lang_specific_driver.
1922 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1924 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1925 doesn't work with it yet, so set it to 0.
1926 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1928 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1930 * cse.c (cse_insn): Check for invalid entries when taking references.
1932 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1934 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1935 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1936 * toplev.c (rest_of_compilation): Pass it. Remove code to
1937 save / clear / restore flag_unroll_{,all_}loops.
1939 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1941 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1943 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1945 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1947 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1949 * except.c (get_dynamic_handler_chain): Only make the call once per
1952 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1954 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1956 * sh.c (final_prescan_insn): Use local label prefix
1957 when emitting .uses pseudo-ops.
1959 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1961 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1962 * except.c: Lose outer_context_label_stack.
1963 (expand_eh_region_end): Rethrow from outer_context here.
1964 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1965 (expand_internal_throw): Take no args.
1966 (expand_internal_throw_indirect): Lose.
1967 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1968 (expand_start_all_catch): Start a rethrow region.
1969 (expand_end_all_catch): End it.
1970 (expand_rethrow): New fn.
1971 * except.h: Reflect above changes.
1972 * flow.c: Revert change of Nov 27.
1974 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1976 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1978 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1980 * except.c (expand_fixup_region_end): New fn.
1981 (expand_fixup_region_start): Likewise.
1982 (expand_eh_region_start_tree): Store cleanup into finalization here.
1983 * stmt.c (expand_cleanups): Use them to protect fixups.
1985 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1987 * mips/mips.md (muldi3_r4000): Broaden the output template
1988 and attribute assignments to handle three operand dmult;
1989 rename to muldi3_internal2.
1990 (muldi3): Call the new muldi3_internal2 for R4000, and
1991 any GENERATE_MULT3 chip.
1993 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1995 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1997 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1999 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2000 with a dest_reg that was created by loop.
2002 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2004 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2006 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2008 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2010 * configure.in: Fix NCR entries.
2012 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2014 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2015 nested exceptions correctly.
2017 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2018 that was created by loop.
2020 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2022 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2024 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2026 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2028 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2029 (print_operand): Use SMALL_DATA_REG for the register involved in
2030 small data relocations.
2031 (print_operand_address): Ditto.
2033 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2034 -dynamic linker is not used.
2036 * rs6000.md (call insns): For local calls, use @local suffix under
2037 System V. Don't use @plt under Solaris.
2039 * rs6000.c (output_function_profiler): Put label address in r0, and
2040 store LR in 4(sp) for System V/eabi.
2042 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2043 byte boundary, and maintain stack backchain.
2045 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2047 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2048 fix_truncsfdi2): Change *.
2050 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2052 * toplev.c (main): Complain about -gdwarfn.
2054 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2056 * dwarfout.c (output_type): If finalizing, write out nested types
2057 of types we've already written.
2059 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2061 (patches originally from Geoffrey Keating)
2062 * rs6000.c (function_arg): Excess floating point arguments don't
2063 go into GPR registers after exhausting FP registers under the
2065 (function_arg_partial_nregs): Ditto.
2067 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2070 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2072 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2074 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2076 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2079 * libgcc2.c (__throw): Initialize HANDLER.
2081 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2083 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2084 fix_truncsfdi2): Change *X to ?*X.
2086 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2088 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2090 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2092 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2094 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2096 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2098 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2100 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2101 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2104 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2106 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2107 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2108 gas and not using the new HP assembler.
2110 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2112 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2113 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2115 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2117 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2118 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2121 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2123 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2125 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2127 * except.h: Add outer_context_label_stack.
2128 * except.c: Likewise.
2129 (expand_start_all_catch): Push the outer_context for the try block
2130 onto outer_context_label_stack.
2131 (expand_end_all_catch): Use it and pop it.
2133 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2135 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2137 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2139 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2141 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2143 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2144 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2146 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2148 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2149 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2150 __builtin_delete, and __builtin_vec_delete.
2152 * except.c (output_exception_table): Don't bother with
2155 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2157 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2158 is an in/out operand.
2159 (zero extended variants of stwm/stwm patterns): Similarly.
2161 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2163 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2165 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2167 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2168 (output_call_frame_info): Emit a \n after using it.
2170 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2172 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2174 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2176 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2177 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2178 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2180 (output_call_frame_info): Do not output forward label differences
2181 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2182 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2184 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2186 * sh.md (attribute "type"): Add nil.
2187 (movsi_ie): y/y alternative is type nil.
2188 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2190 (movsf_ie+1): Delete.
2192 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2194 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2195 large_int, emit two insns instead of one splitable insn.
2196 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2197 from cfa_temp_value, use cfa_offset. Add assert checking that
2200 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2202 * cccp.c (deps_output): Properly quote file names for make.
2204 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2206 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2208 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2210 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2212 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2214 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2216 (cse_end_of_basic_block): Similarly.
2218 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2220 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2221 (SELECT_RTX_SECTION): Define.
2222 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2224 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2226 * Makefile.in (compare, compare-lean): Define $stage for each
2228 (gnucompare, gnucompare-lean): Likewise.
2230 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2232 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2234 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2235 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2237 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2239 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2240 and add case to handle STRING_TYPE.
2241 * dwarfout.c (output_string_type_die): Fix code to generate
2242 correct string length attribute for fixed length strings.
2243 Still needs support for varying length strings.
2245 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2247 * toplev.c (get_run_time): Do something sensible for cygwin32.
2249 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2251 * expr.c (expand_builtin_setjmp): Set
2252 current_function_has_nonlocal_label.
2253 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2254 call-saved registers across calls.
2256 * alpha.md (exception_receiver): Remove.
2257 (nonlocal_goto_receiver_osf): New
2258 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2259 (nonlocal_goto_receiver): New, select _osf or _vms.
2261 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2262 keep them from being propogated to the object file.
2263 (alpha_write_linkage): Likewise.
2264 * alpha.md (call_vms): Likewise.
2265 (call_value_vms): Likewise.
2266 (unnamed osf call insns): Likewise.
2268 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2269 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2271 * alpha.c (call_operand): Any reg is valid for WinNT.
2272 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2273 (anon nt calls): Add 'R' alternative.
2274 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2275 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2277 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2279 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2281 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2282 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2283 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2285 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2287 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2288 spill error message.
2290 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2293 use varargs.h. Wrap header with <>, not "".
2295 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2297 * integrate.c (save_for_inline_copying): Add return value from
2300 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2302 * fixincludes: Be a little more restrictive on what we will
2303 substitute to replace definitions of MAXINT for HPUX.
2305 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2307 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2308 whose address is the stack or argument pointers are indirect
2311 1997-11-13 Paul Eggert <eggert@twinsun.com>
2313 * cccp.c, cpplib.c (compare_defs):
2314 Don't complain about arg name respellings unless pedantic.
2315 * cpplib.c (compare_defs): Accept pfile as new arg.
2316 All callers changed.
2318 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2320 * fold-const.c (fold_truthop): Fix bug in last change.
2322 1997-11-13 Paul Eggert <eggert@twinsun.com>
2324 Fix some confusion with IEEE minus zero.
2326 * real.h (REAL_VALUES_IDENTICAL): New macro.
2328 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2329 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2331 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2332 same tree structure as 0.0.
2334 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2335 macro instead of doing it by hand.
2337 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2339 * v850/lib1funcs.asm: Minor whitespace changes.
2340 * v850.c: Fix minor formatting problems in many places.
2341 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2343 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2345 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2346 xplus1 when xplus0 is not a register.
2348 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2350 * flow.c (find_basic_blocks): During marking phase, if we encounter
2351 an insn with a REG_LABEL note, make the target block live and
2352 create an edge from the insn to the target block. Do not make
2353 edges from all blocks to the target block.
2355 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2357 * confiugre.in: Tweak NCR entries.
2358 * configure: Rebuilt.
2360 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2362 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2363 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2364 and CONST_DOUBLE_HIGH.
2366 * rs6000.md (define_splits for DF constants): Use the appropriate
2367 REAL_VALUE_* interface to pick apart DF floating point constants in
2368 a machine independent fashion.
2370 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2372 * fold-const.c (fold_truthop): When changing a one-bit comparison
2373 against zero into a comparison against mask, do a proper sign
2376 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2378 * except.c: Do not include "assert.h".
2379 (save_eh_status): Turn asserts into conditional aborts.
2380 (restore_eh_status, scan_region): Likewise.
2381 * dwarfout.c: Do not include "assert.h".
2382 (bit_offset_attribute): Turn asserts into conditional aborts.
2383 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2384 (output_inlined_structure_type_die): Likewise.
2385 (output_inlined_union_type_die): Likewise
2386 (output_tagged_type_instantiation): Likewise.
2387 (dwarfout_file_scope_decl): Likewise.
2388 * dwarf2out.c: Do not include "assert.h"
2389 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2390 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2391 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2392 (add_bit_size_attribute, scope_die_for): Likewise.
2393 (output_pending_types_for_scope): Likewise.
2394 (get_inlined_enumeration_type_die): Likewise.
2395 (get_inlined_structure_type_die): Likewise.
2396 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2397 (gen_tagged_type_instantiation_die): Likewise.
2399 * flow.c (find_basic_blocks): Refine further to get a more correct
2400 cfg, especially in the presense of exception handling, computed
2401 gotos, and other non-trivial cases. Call abort if an inaccuracy
2402 is detected in the cfg.
2404 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2406 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2408 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2409 (skip_white_space): Use whitespace_cr.
2410 (check_newline): Handle whitespace more consistently.
2412 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2414 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2415 * i386/xm-cygwin32.h (POSIX): Define.
2417 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2419 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2420 is available elsewhere.
2422 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2424 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2425 what the instruction can handle.
2427 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2429 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2431 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2433 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2435 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2436 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2438 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2440 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2441 swap instruction order.
2443 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2445 * fixinc.svr4 (__STDC__): Add another case.
2447 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2449 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2450 addresses in the epilogue delay slot.
2452 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2454 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2455 in generated `specs' file.
2457 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2459 * flags.h (flag_rerun_loop_opt): Declare.
2460 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2461 * toplev.c (flag_rerum_loop_opt): Delete static.
2463 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2465 Bring over from FSF:
2467 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2469 * va-sh.h (__va_arg_sh1): Define.
2471 SH3E doesn't use any integer registers for subsequent arguments
2472 once a non-float value was passed in the stack.
2473 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2474 alignment in front label for ADDR_DIFF_VEC.
2475 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2476 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2478 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2480 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2483 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2485 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2486 put an use_sfunc_addr before each sfunc.
2487 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2488 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2490 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2492 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2494 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2496 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2499 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2501 * alias.c (find_base_value): Only return the known base value for
2504 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2506 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2507 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2509 (prologue_get_pc_and_set_got): New pattern.
2511 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2513 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2514 for SUBREG, just fall through.
2516 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2518 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2520 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2522 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2524 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2525 (USE_HOST_ALLOCA): Likewise.
2527 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2528 and LABEL_REFS fields.
2529 * rtl.h (LABEL_REFS): Update.
2531 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2533 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2534 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2535 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2538 * mips.md (insv, extzv, extv): Add change_address call.
2539 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2541 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2543 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2545 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2546 save_restore_insns if no FP and GP will be restored.
2548 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2549 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2551 * acconfig.h (HAVE_INTTYPES_H): Undef.
2552 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2553 and inttypes.h, and verify that intmax_t is defined.
2554 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2555 * config/mips/x-iris3: Likewise.
2557 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2559 * alias.c (find_base_value): When copying arguments, return the
2560 tenative value for a hard register.
2562 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2564 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2565 (yylex): Record wide strings using target endianness, not host.
2567 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2569 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2570 (ASM_OUTPUT_ALIGNED_BSS): New macro
2571 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2572 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2573 * v850.h (ASM_OUTPUT_BSS): Delete.
2574 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2576 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2578 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2580 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2582 * configure.in (sco5): Use cpio to install header files.
2584 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2586 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2588 * configure: Rebuild.
2590 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2592 * i386/sco5.h: enable -gstabs once again.
2594 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2596 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2598 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2600 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2601 notes for sjlj exceptions too.
2602 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2603 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2604 * final.c (final_scan_insn): Don't output labels for EH REGION
2605 notes if doing sjlj exceptions.
2607 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2609 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2610 optimizing correctly.
2612 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2613 or set current_function_calls_setjmp anymore.
2615 * flow.c (find_basic_blocks): If we delete the label for an
2616 exception handler, remove it from the EH label list and remove
2617 the EH_BEGIN/EH_END notes for that EH region.
2619 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2621 * flow.c (find_basic_blocks): Generate correct flow control
2622 information when exception handling notes are present.
2624 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2626 * dwarf2out.c (output_call_frame_info): Fix length argument
2627 to ASM_OUTPUT_ASCII.
2628 (output_die, output_pubnames, output_line_info): Likewise.
2630 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2632 * version.c: Bump for snapshot.
2634 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2635 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2636 flag_debug_asm is on.
2637 (output_die, output_pubnames, output_line_info): Likewise.
2639 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2640 and static_chain_rtx into the potential base values array if
2643 * alias.c (new_reg_base_value): New array of potential base values.
2644 (unique_id): Now file scoped static.
2645 (find_base_value, case REG): Return the value in reg_base_value
2646 array for the REG if it exists. Else, return the value from
2647 new_reg_base_value if copying args and REG is a hard register.
2648 (find_base_value, case PLUS): If either operand of the PLUS is
2649 a REG, try to get its base value. Handle base + index and
2651 (record_set): Use new_reg_base_value instead of reg_base_value.
2652 (init_alias_analysis): Allocate space for new_reg_base_value too.
2653 Rework code to iterate over the insns propagating base value
2654 information until nothing changes.
2656 * global.c (global_alloc): Free the conflict matrix after
2657 reload has finished.
2659 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2661 * libgcc2.c (L_eh): Define __eh_pc.
2662 Replace __eh_type with generic pointer __eh_info.
2664 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2666 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2667 use copy_to_reg if address is not a general_operand.
2669 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2671 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2672 for the duration of the call to rest_of_compilation.
2674 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2676 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2678 (sparc*-*-*): Recognize --with-cpu=v9.
2679 * sparc/elf.h: New file.
2680 * sparc/t-elf: New file.
2682 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2684 * mn10300.c (const_8bit_operand): New function.
2685 (mask_ok_for_mem_btst): New funtion.
2686 * mn10300.md (btst patterns with mem operands): Use new functions
2687 to avoid creating btst instructions with invalid operands.
2689 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2691 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2692 are running on PowerPC Linux.
2694 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2696 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2697 if not previously defined.
2699 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2701 * function.c (assign_parms): Correct mode of stack_parm if
2702 entry_parm underwent a mode conversion.
2704 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2706 * global.c (global_alloc): Use xmalloc instead of alloca for
2707 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2708 than 2.5Mb sometimes.
2710 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2712 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2713 DEST for the spill, adjust mode of SRC to compensate.
2715 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2717 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2718 since any_memory_operand() allows pseudos during reload.
2719 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2721 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2723 * m68k.md (btst patterns): Add 5200 support.
2725 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2727 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2728 optimizations, look inside dividend to determine if the expression
2729 can be simplified by using EXACT_DIV_EXPR.
2731 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2734 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2736 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2738 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2740 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2742 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2745 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2747 * alpha.md (movqi, movhi): Make sure new insns created during reload
2748 won't need reloading themselves.
2749 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2751 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2753 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2755 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2757 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2758 Patch from Klaus Kaempf <kkaempf@progis.de>.
2760 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2762 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2763 to an element in a constant string.
2765 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2767 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2768 bit PC-relative offset. The exception range table pointer is now in
2770 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2771 (count_fdes, add_fdes, get_cie): Adjust.
2772 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2775 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2777 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2779 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2780 like stack_pointer_rtx.
2782 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2784 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2785 targets using "$@" to provide support for similar but not identical
2786 targets without having to duplicate code.
2787 (bootstrap4): New goal.
2789 * Makefile.in (compare, compare-lean, compare3): Combined to one
2790 ruleset determining actions to be performed via $@.
2791 (compare4, compare4-lean): New targets.
2792 (gnucompare, gnucompare3): Combined to one ruleset determining
2793 actions to be performed via $@. Also, note which files failed
2794 the comparison test in .bad_compare.
2795 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2797 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2799 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2800 if the dividend is a multiple of the divisor.
2802 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2804 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2806 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2809 * alias.c (true_dependence): Fix typo.
2811 * toplev.c (flag_rerun_loop_opt): New variable.
2812 (f_options): Handle -frerun-loop-opt.
2813 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2815 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2817 * loop.c (simplify_giv_expr): Adding two invariants results
2820 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2822 * expr.c (get_inner_reference): Remove the array bias after
2823 converting the index to Pmode.
2825 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2827 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2828 (TARGET_MULT_BUG): Define.
2829 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2830 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2832 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2834 * mn10200.c (indirect_memory_operand): Delete unused function.
2835 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2836 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2838 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2840 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2841 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2842 for more than scheduling.
2844 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2846 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2848 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2850 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2851 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2852 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2854 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2856 * version.c: Bump for snapshot.
2858 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2860 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2863 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2865 * toplev.c (flag_exceptions): Default value is 2.
2866 (compile_file): If flag_exceptions still has the value 2, then
2869 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2870 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2871 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2873 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2876 * rs6000.md (*movsi_got_internal_mem): New pattern.
2877 (*movsi_got_internal_mem splitter): New define_split.
2879 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2881 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2883 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2885 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2886 only need to save LR.
2888 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2890 * mn10300.md (movqi, movhi): Avoid using address registers as
2891 destinations unless absolutely necessary.
2893 * mn10200.c (expand_prologue): Fix typo.
2895 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2897 * mn10200.md (neghi2): Provide an alternative which works if
2898 the input and output register are the same.
2900 * mn10300.c (print_operand): Handle 'S'.
2901 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2902 shift amount in last alternative
2904 * mn10300.c (expand_epilogue): Rework to handle register restores
2905 in "ret" and "retf" instructions correctly.
2907 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2909 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2910 extzv for memory operands.
2912 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2913 redundant conditional moves to single operand.
2915 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2917 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2920 * xm-v850.h: Use __v850 rather than __v850__ to
2923 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2925 * mips/mips.c (compute_frame_size): Not a leaf function if
2928 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2930 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2932 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2934 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2935 (DEFAULT_ARCH32_P): New macro.
2936 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2937 (enum cmodel): Declare.
2938 (sparc_cmodel_string,sparc_cmodel): Declare.
2939 (SPARC_DEFAULT_CMODEL): Provide default.
2940 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2941 (TARGET_FULLANY): Deleted.
2942 (TARGET_CM_MEDMID): New macro.
2943 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2944 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2945 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2946 (CPP_SPEC): Rewrite.
2947 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2948 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2949 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2950 (ASM_SPEC): Add %(asm_arch).
2951 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2952 Rename asm_default to asm_cpu_default.
2953 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2954 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2955 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2956 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2957 (MASK_INT64,MASK_LONG64): Delete.
2958 (MASK_ARCH64): Renamed to MASK_64BIT.
2959 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2960 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2961 (TARGET_SWITCHES): Always provide 64 bit options.
2962 (ARCH64_SWITCHES): Delete.
2963 (TARGET_OPTIONS): New option -mcmodel=.
2964 (INT_TYPE_SIZE): Always 32.
2965 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2966 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2967 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2968 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2969 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2971 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2972 * sparc/linux.h: Likewise.
2973 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2974 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2975 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2976 (SPARC_DEFAULT_CMODEL): Define.
2977 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2978 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2979 (LONG_DOUBLE_TYPE_SIZE): Define.
2980 (ASM_SPEC): Add %(asm_arch).
2981 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2982 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2983 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2984 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2985 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2986 (SPARC_DEFAULT_CMODEL): Define.
2987 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2988 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2989 MASK_LONG64, MASK_MEDANY.
2990 (SPARC_DEFAULT_CMODEL): Define.
2991 (CPP_PREDEFINES): Delete.
2992 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2993 (ASM_SPEC): Add %(asm_arch).
2994 (LONG_DOUBLE_TYPE_SIZE): Define.
2995 (DWARF2_DEBUGGING_INFO): Define.
2996 * sparc/splet.h (CPP_SPEC): Delete.
2997 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2998 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2999 (BLOCK_PROFILER): Likewise.
3000 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3001 (sparc_override_options): Handle code model selection.
3002 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3003 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3004 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3005 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3006 (sethi_di_fullany): Delete.
3008 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3009 Jeff Law <law@cygnus.com>
3010 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3012 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3013 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3014 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3015 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3016 * alpha/alpha.md (arg_home): Likewise.
3018 * alpha/alpha.c (vmskrunch): Delete
3019 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3020 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3021 truncate to 64 characters.
3023 * make-l2.com: Support openVMS/Alpha.
3025 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3027 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3029 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3031 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3033 * i386/bsd386.h (ASM_COMMENT_START): Define.
3035 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3037 * tree.c (restore_tree_status): Also free up temporary storage
3038 when we finish a toplevel function.
3039 (dump_tree_statistics): Print stats for backend obstacks.
3041 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3043 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3045 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3047 * libgcc2.c (__throw): Don't copy the return address.
3048 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3050 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3051 * toplev.c (main): Initialize exceptions_via_longjmp.
3053 * tree.c: Add extra_inline_obstacks.
3054 (save_tree_status): Use it.
3055 (restore_tree_status): If this is a toplevel inline obstack and we
3056 didn't want to save anything on it, recycle it.
3057 (print_inline_obstack_statistics): New fn.
3058 * function.c (pop_function_context_from): Pass context to
3059 restore_tree_status.
3060 * obstack.h (obstack_empty_p): New macro.
3062 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3064 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3066 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3068 * v850.c (ep_memory_offset): New function.
3069 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3071 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3072 (CONSTANT_ADDRESS_P): Add comment.
3073 (EXTRA_CONSTRAINT): Define 'U'.
3074 * v850.md: Add comments on bit field instructions.
3075 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3076 (lshrsi3): Use N not J constraint.
3078 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3080 * v850.c (reg_or_0_operand): Call register_operand.
3081 (reg_or_int5_operand): Likewise.
3082 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3083 (TARGET_SWITCHES): Add "big-switch".
3084 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3085 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3086 (CASE_DROPS_THROUGH): Comment out.
3087 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3088 * v850.md (cmpsi): Delete compare mode.
3089 (casesi): New pattern.
3091 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3092 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3093 (lshrsi3): Likewise.
3095 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3096 unreachable switch statement after 'b' support. Remove "b" from
3097 strings for 'b' support.
3098 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3100 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3102 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3103 empty line if @inhibit_libc@ is empty.
3105 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3107 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3108 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3109 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3110 (DWARF2_UNWIND_INFO): Let this track object file format.
3111 (EXTRA_SECTIONS): Add in_eh.
3112 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3113 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3115 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3117 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3118 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3120 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3121 (output_double_int): Output DI mode values correctly when
3122 HOST_BITS_PER_WIDE_INT is 64.
3123 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3124 fmovd so it works if a quad float ends up in one of the upper 32
3126 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3127 necessary for PIC support on sparc64.
3129 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3131 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3132 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3133 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3134 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3135 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3136 (SPARC_FP_ARG_FIRST): New macro.
3137 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3138 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3139 (NPARM_REGS): There are 32 fp argument registers now.
3140 (FUNCTION_ARG_REGNO_P): Likewise.
3141 (FIRST_PARM_OFFSET): Update to new v9 abi.
3142 (REG_PARM_STACK_SPACE): Define for arch64.
3143 (enum sparc_arg_class): Delete.
3144 (sparc_arg_count,sparc_n_named_args): Delete.
3145 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3146 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3147 (FUNCTION_ARG_ADVANCE): Rewrite.
3148 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3149 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3150 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3151 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3152 (STRICT_ARGUMENT_NAMING): Define.
3153 (doublemove_string): Declare.
3154 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3155 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3156 (doublemove_string): New function.
3157 (output_move_quad): Clean up some of the arch64 support.
3158 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3159 Don't add 8 bytes of reserved space if arch64.
3160 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3161 (init_cumulative_args): New function.
3162 (function_arg_slotno): New static function.
3163 (function_arg,function_arg_partial_nregs): New functions.
3164 (function_arg_{pass_by_reference,advance}): New functions.
3165 (function_arg_padding): New function.
3166 * ginclude/va-sparc.h: Rewrite v9 support.
3168 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3170 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3171 for hard regs to determine base and index registers.
3173 * reload.c (debug_reload_to_stream): New function. Specify stream
3174 into which to write debug info.
3175 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3177 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3179 * combine.c (can_combine_p): Don't combine with an asm whose
3180 output is a hard register.
3182 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3184 * c-decl.c (start_struct): Ensure that structs with forward
3185 declarations are in fact packed when -fpack-struct is given.
3187 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3188 we are packing a structure. This allows a structure with only
3189 bytes to be aligned on a byte boundary and have no padding on a
3192 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3194 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3196 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3198 * alpha.c (alpha_return_addr_rtx): New variable.
3199 (alpha_save_machine_status): New; save it.
3200 (alpha_restore_machine_status): New; restore it.
3201 (alpha_init_expanders): New; clear it.
3202 (alpha_return_addr): New; set it.
3203 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3204 is overly conservative, so search the insns explicitly.
3205 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3206 (alpha_sa_size [VMS && !VMS]): Likewise.
3207 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3208 (INIT_EXPANDERS): New definition.
3210 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3211 (output_prolog [!VMS]): Use them.
3213 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3214 (alpha_does_function_need_gp): ... a new function. Refine the
3215 CALL_INSN test to just TYPE_JSR.
3216 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3218 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3220 * version.c: Bump for snapshot.
3222 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3224 * pa.c (move_operand): Respect -mdisable-indexing.
3225 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3227 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3229 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3231 (umulsidi3,umulsi3_highpart): Ditto.
3232 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3234 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3236 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3237 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3238 function in one go. Emit RTL for trapb, instead of printf directly.
3239 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3240 (trap_pending): Kill global variable.
3241 (output_epilog): Don't call final_prescan_insn.
3242 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3243 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3244 (MACHINE_DEPENENT_REORG): Define.
3245 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3248 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3250 Tune Haifa scheduler for Alpha:
3251 * alpha.h (ISSUE_RATE): Define.
3252 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3253 EV4 adjustments to EV5.
3254 * alpha.md: Remove all scaling from function unit delays. Rework
3255 EV5 function units to match the CPU.
3256 (umuldi3_highpart): EV5 added the IMULH insn class.
3258 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3260 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3263 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3265 * cplus-dem.c (demangle_signature): Don't look for return types on
3266 constructors. Handle member template constructors.
3268 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3270 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3271 * tree.h: Declare them.
3273 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3275 * configure.in: Handle --with-newlib.
3276 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3278 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3280 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3282 * config/ptx4.h: Fix typo.
3284 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3286 * version.c: Bump for snapshot.
3288 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3290 * aclocal.m4: Substitute INSTALL.
3291 * configure: Re-built.
3293 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3295 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3297 (expand_inline_function): Likewise.
3299 * dwarf2out.c (output_call_frame_info): Reinstate last change
3300 using flag_debug_asm check instead of flag_verbose_asm.
3302 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3304 * dwarf2out.c (output_call_frame_info): Remove last change.
3306 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3308 * frame.c (__frame_state_for): Execute the FDE insns until the
3309 current pc value is strictly bigger than the target pc value.
3311 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3313 * regclass.c (init_reg_modes): If we can't find a mode for the
3314 register, use the previous one.
3316 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3318 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3319 don't sprintf through an alloca'ed buffer.
3321 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3323 * reload.c (decompose): Always initialize val.base.
3325 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3327 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3328 instead of aborting.
3329 * dwarf2out.c (output_call_frame_info): Call app_enable and
3330 app_disable to let GNU as accept the generated comments.
3332 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3334 * tree.h (get_file_function_name): Add declaration.
3335 * dwarf2out.c (output_call_frame_info): No need to cast
3336 get_file_function_name call anymore.
3337 * profile.c (toplevel): Remove get_file_function_name
3339 * c-lang.c (finish_file): Ditto.
3341 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3343 * Makefile.in (program_transform_name): Let autoconf substitute
3346 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3348 * haifa-sched.c (schedule_block): If the first real insn in a
3349 block has any special notes attached to it, remove them.
3351 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3353 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3355 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3357 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3359 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3361 * Makefile.in (check-g77): New test target.
3362 (CHECK-TARGETS): Add check-g77.
3364 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3366 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3368 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3370 * flow.c (print_rtl_with_bb): Cast alloca return value for
3373 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3375 * i386.h (RETURN_ADDR_RTX): New definition that works for
3376 __builtin_return_address(0) and -fomit-frame-pointer.
3378 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3380 Bring over from FSF.
3381 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3383 * mips.c (function_arg): Handle passing a struct
3384 containing a double in a DFmode register without the PARALLEL.
3386 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3388 * pexecute.c: Use spawn if __CYGWIN32__.
3390 * pexecute.c: Include "config.h" first, as per autoconf manual
3391 (from Paul Eggert <eggert@twinsun.com>).
3393 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3395 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3396 optimisation for f/expr.o and f/stb.o.
3398 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3400 * cse.c (this_insn_cc0_mode): Initialize.
3402 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3404 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3406 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3408 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3410 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3411 that pair will dual-issue on the 21164 and plus+beq won't.
3412 (bne): Likewise for cmpeq+beq.
3414 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3416 * except.c (find_exception_handler_labels): Correct argument to free.
3418 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3420 * except.c (find_exception_handler_labels): Free LABELS when we're
3423 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3425 * version.c: Bump for snapshot.
3427 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3429 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3432 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3434 * configure.in: Substitute for "install" too.
3435 * configure: Rebuilt.
3437 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3439 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3441 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3443 * alias.c (base_alias_check): Two symbols can conflict if they
3444 are accessed via AND.
3445 (memrefs_conflict_p): Likewise.
3447 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3448 after flushing argument registers to the stack.
3450 * Makefile.in (mostlyclean): Remove .regmove files.
3452 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3454 * libgcc2.c (__throw): Fix thinko.
3456 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3458 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3459 template-function mangling.
3460 (consume_count_with_underscores): New function.
3461 (demangle_signature): Handle new name-mangling scheme.
3463 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3465 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3468 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3470 * frame.c: Remove last change.
3471 * dwarf2.h: Remove last change.
3472 * tree.h: Add declarations of DWARF2 unwind info support
3475 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3477 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3478 * tree.h (built_in_function): Likewise.
3479 * expr.c (expand_builtin): Likewise.
3480 * except.h: Likewise.
3481 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3482 * libgcc2.c (copy_reg): New fn.
3485 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3487 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3488 unsigned if -W is specified and -Wno-sign-compare is not.
3489 * c-decl.c (warn_sign_compare): Initialize to -1.
3490 (c_decode_option): -Wall no longer implies -Wsign-compare.
3492 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3494 * frame.c: Include gansidecl.h for PROTO.
3495 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3496 defined. Don't declare dwarf2out_cfi_label here.
3497 * dwarf2.h: Add declarations of DWARF2 unwind info support
3499 * m68k.c: Include dwarf2.h.
3500 (output_function_prologue): Add dwarf2 support.
3501 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3502 (INCOMING_FRAME_SP_OFFSET): Likewise.
3504 * integrate.c (expand_inline_function): Make sure there is at
3505 least one insn that can be used as an insertion point.
3507 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3509 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3511 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3513 * version.c: Bump for snapshot.
3515 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3517 Bring over from FSF.
3519 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3521 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3522 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3523 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3525 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3527 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3528 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3530 (sparc_align_{loops,jumps,funcs}_string): Declare.
3531 (sparc_align_{loops,jumps,funcs}): Declare.
3532 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3533 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3534 (STACK_BIAS): Define.
3535 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3537 (SPARC_SETHI_P): New macro.
3538 (CONST_OK_FOR_LETTER_P): Use it.
3539 (ASM_OUTPUT_ALIGN_CODE): Define.
3540 (ASM_OUTPUT_LOOP_ALIGN): Define.
3541 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3542 (sparc_align_{loops,jumps,funcs}): New globals.
3543 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3545 (move_operand): Use SPARC_SETHI_P.
3546 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3548 (arith11_double_operand): Likewise.
3549 (arith10_double_operand): Likewise.
3550 (finalize_pic): Finish sparc64 support.
3551 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3552 64 bit constants if able.
3553 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3554 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3556 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3557 (get_pc_sp32): Use for sparc64 as well.
3558 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3559 (sethi_di_sp64_const): Likewise.
3560 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3561 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3562 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3564 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3566 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3567 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3568 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3570 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3572 Add sparc64 linux support.
3573 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3574 to xm_file list on 32-bit sparc-linux.
3575 * sparc/xm-sp64.h: New file.
3576 * sparc/linux64.h: New file.
3577 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3578 Don't include xm-sparc.h.
3579 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3580 * glimits.h (LONG_MAX): Handle sparc64.
3582 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3584 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3585 * sparc.h (ASM_COMMENT_START): Define.
3586 * sparc.c (output_function_prologue): Use it.
3587 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3589 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3591 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3592 use sparc.h's copies.
3593 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3596 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3598 * sparc.c (dwarf2out_cfi_label): Add declaration.
3599 (save_regs, output_function_prologue): Remove cast for it.
3600 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3601 ({save,restore}_regs): No longer inline.
3603 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3605 * fold-const.c (make_range): Correctly handle cases of converting
3606 from unsigned to signed type.
3608 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3610 * fold-const.c (merge_ranges): Make sure that if one range is subset
3611 of another, it will always be the second range. Correct (+,-) case to
3614 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3616 * final.c (final_end_function): Also do dwarf2 thing if
3617 DWARF2_DEBUGGING_INFO.
3618 (final_start_function): Likewise.
3620 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3622 * expmed.c (expand_divmod): If compute_mode is not the same as
3623 mode, handle the case where convert_modes() causes op1 to no
3624 longer be a CONST_INT.
3626 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3627 note holding get_jump_flags() calculation to all JUMP_INSNs.
3628 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3629 * rtl.c (reg_note_name): Add new note types.
3631 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3633 * rtlanal.c (computed_jump_p): Fix typo in last change.
3635 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3637 * loop.c (indirect_jump_in_function_p): Return 0
3640 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3642 * rs6000/xm-rs6000.h: Fix thinko in last change.
3643 * rs6000/xm-sysv4.h: Likewise.
3645 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3647 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3649 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3651 * reg-stack.c (find_blocks): Fix thinko in last change.
3653 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3655 * m68k.c (output_function_prologue): Add dwarf2 support.
3657 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3658 INCOMING_FRAME_SP_OFFSET): New definitions.
3660 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3662 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3663 appropriate in calls to gen_rtx().
3664 * cse.c (cse_main): Likewise.
3665 * emit-rtl.c (gen_label_rtx): Likewise.
3666 * expr.c (init_expr_once): Likewise.
3667 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3668 sched_analyze, init_rgn_data_dependences,
3669 compute_block_backward_dependences): Likewise.
3670 * sched.c (schedule_insns): Likewise.
3671 * varasm.c (immed_double_const): Likewise.
3673 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3674 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3676 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3678 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3679 (MULTILIB_DEFAULTS): Define.
3680 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3681 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3682 (LIBGCC_SPEC): Likewise.
3683 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3684 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3685 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3686 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3687 (EXTRA_PARTS, TAROUTOPTS): Delete.
3688 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3689 (MULTILIB_OPTIONS): Define.
3690 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3691 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3693 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3695 * version.c: Bump for snapshot.
3697 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3699 * loop.c (loop_number): Delete function. Change all references
3700 to use uid_loop_num array.
3701 * loop.h (loop_number): Delete declaration.
3702 * unroll.c (unroll_loop): Change "loop_number" references to
3703 use uid_loop_num instead.
3705 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3707 (loop_unroll_iter): Remove unused variable and all references.
3708 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3709 (insert_bct): Fix minor formatting problems.
3710 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3711 (loop_unroll_iter): Removed unused decl.
3712 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3713 Always record the unrolling factor.
3715 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3716 Similarly for h1u and h1s.
3718 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3719 (find_basic_blocks): Use computed_jump_p to determine if a
3720 particular JUMP_INSN is a computed jump.
3721 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3722 if a particular JUMP_INSN is a computed jump.
3723 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3724 (computed_jump_p): Likewise.
3725 * rtl.h (computed_jump_p): Declare.
3726 * genattrtab.c (pc_rtx): Define and initialize.
3727 * loop.c (loop_optimize): Always determine if the current
3728 function has a computed jump.
3729 (indirect_jump_in_function_p): Use computed_jump_p to determine
3730 if a particular JUMP_INSN is a computed jump.
3732 * loop.c (fix_bct_param): Delete unused function.
3733 (check_bct_param): Likewise.
3735 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3737 * frame.c (__deregister_frame): Check properly for initialized object.
3739 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3741 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3743 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3745 * jump.c (thread_jumps): check can_reverse_comparison_p before
3746 threading a reversed-condition jump.
3748 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3749 * haifa-sched.c (update_flow_info): Likewise.
3751 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3753 * Makefile.in (BOOT_CFLAGS): Use -O2.
3755 * configure.in (strtoul, bsearch): Have autoconf check for these
3757 * configure, config.in: Rebuilt.
3759 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3760 * mips/mips.h (alloca): Likewise.
3761 * rs6000/xm-rs6000.h (alloca): Likewise.
3762 * rs6000/xm-sysv4.h: Likewise.
3764 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3766 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3767 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3768 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3770 * except.c (end_eh_unwinder): Subtract 1 from return address.
3771 * libgcc2.c (__throw): Likewise.
3772 (find_exception_handler): Don't change PC here. Compare end with >.
3774 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3776 * v850.c (compute_register_save_size): Correct register
3778 * v850.md (save_interrupt, return_interrupt): Correct
3780 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3781 (return_interrupt): Use stack pointer, not element pointer.
3783 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3785 * configure.in, configure: Make sure to create the stage* and include
3786 symbolic links in each subdirectory.
3788 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3790 * pa.md (reload_peepholes): Don't allow addresses with side
3791 effects for the memory operand.
3793 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3795 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3796 looking for a handler, to avoid hitting the beginning of the next
3799 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3801 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3803 * mips/abi64.h (LONG_MAX_SPEC): Define.
3804 * mips.h (LONG_MAX_SPEC): Define.
3805 (CPP_SPEC): Include long_max_spec.
3806 (EXTRA_SPECS): Include long_max_spec.
3808 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3810 * v850.c (construct_save_jarl): Fix thinko in last change.
3812 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3814 * version.c: Bump for snapshot.
3816 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3818 * libgcc2.c (find_exception_handler): Not found is -1.
3820 * integrate.c (expand_inline_function): Move expand_start_bindings
3821 after expanding the arguments.
3823 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3825 * expr.c (expand_expr): Remove previous incorrect change.
3826 If target and slot has no DECL_RTL, then call mark_addressable
3827 again for the slot after we give it RTL.
3829 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3831 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3832 again for the slot after we give it RTL.
3834 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3836 * v850.c (register_is_ok_for_epilogue,
3837 pattern_is_ok_for_epilogue, construct_restore_jr,
3838 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3840 * v850.h (pattern_is_ok_for_prologue,
3841 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3844 * v850.md: Replace prologue and epilogue patterns with a
3845 match_parallel pattern.
3847 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3849 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3850 * configure.in: Use EGCS_PROG_INSTALL.
3852 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3854 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3855 extern inline function.
3857 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3859 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3860 (concat_loc_descriptor): New function.
3861 (loc_descriptor): Call it.
3862 (add_AT_location_description): Also elide the descriptor if both
3863 halves of a CONCAT are pseudos.
3864 (add_location_or_const_value_attribute): Recognize CONCAT too.
3866 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3868 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3870 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3871 out-or-range reg_offset.
3872 (output_epilog): Likewise.
3874 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3876 * cse.c (simplify_relational_operation): If MODE specifies a
3877 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3878 is derived from the sign bit of the low word.
3880 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3882 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3884 * dwarf2.h: Add DW_CFA_GNU_args_size.
3885 * frame.c (execute_cfa_insn): Likewise.
3886 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3887 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3888 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3889 insn, hand it off to dwarf2out_stack_adjust.
3890 (dwarf2out_begin_prologue): Initialize args_size.
3891 * frame.h (struct frame_state): Add args_size.
3892 * libgcc2.c (__throw): Use args_size.
3893 * final.c (final_scan_insn): If we push args, hand off all insns
3894 to dwarf2out_frame_debug.
3895 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3897 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3898 Handle epilogue restore of SP from FP.
3899 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3900 lone insn has RTX_FRAME_RELATED_P set.
3902 * frame.c (extract_cie_info): Handle "e" augmentation.
3903 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3904 absence of UNALIGNED_*_ASM_OP.
3905 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3906 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3907 Don't emit augmentation fields length.
3908 (dwarf2out_do_frame): Move outside of #ifdefs.
3909 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3912 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3913 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3914 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3915 * sparc/sun4gas.h: New file.
3916 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3918 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3919 __register_frame_table and __deregister_frame.
3921 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3923 * except.c (find_exception_handler_labels): Use xmalloc instead of
3924 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3927 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3929 * Makefile.in: Various changes to build info files
3930 in the object tree rather than the source tree.
3932 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3934 * fixinc.math: New file to fix math.h on some systems.
3935 * configure.in (freebsd, netbsd): Use fixinc.math on these
3937 * configure: Rebuilt.
3939 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3941 * regmove.c (regmove_optimize): If we end up moving the
3942 original insn due to lifetime overlaps, make sure to move
3945 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3947 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3949 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3951 * haifa-sched.c (add_branch_dependences): Make each insn in
3952 a SCHED_GROUP_P block explicitly depend on the previous insn.
3954 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3956 * except.h: Prototype dwarf2 hooks.
3959 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3961 * configure.in (native_prefix): Delete.
3962 (mips-dec-netbsd): Don't set prefix.
3963 (*linux*): Don't set prefix.
3965 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3967 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3968 defined. If not defined, include <sys/varargs.h> if
3969 HAVE_SYS_VARARGS_H is defined.
3970 * configure.in: Test for varargs.h and sys/varargs.h.
3971 * configure: Regenerate with autoconf.
3972 * config.in: Regenerate with autoheader.
3974 * cpplib.c (quote_string): Cast first arg of sprintf call
3975 from "unsigned char *" to "char *".
3976 (output_line_command): Ditto.
3977 (macroexpand): Ditto.
3978 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3980 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3982 * version.c: Bump for snapshot.
3984 * Makefile.in (compare): Exit with nonzero status if there
3985 are comparison failures. Note which files failed the
3986 comparison test in .bad_compare.
3988 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3990 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3992 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3994 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3995 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3996 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3997 * configure: Regenerated.
3999 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4001 * loop.c (strength_reduce): Fix typo.
4003 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4005 * m88k/m88k.c (struct option): Rename to struct options.
4006 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4007 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4008 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4009 __DOLPHIN__ or sysV88.
4011 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4013 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4016 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4018 * config.sub: Accept 'amigados' for backward compatability.
4020 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4022 * Makefile.in (testsuite/site.exp): New target.
4023 (check-gcc, check-g++): Depend on testsuite/site.exp.
4024 Don't stop for failure.
4026 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4028 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4029 if DWARF2_UNWIND_INFO.
4031 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4033 Add support for exception handling using DWARF 2 frame unwind info.
4034 Currently works on SPARC and MIPS, and almost on x86.
4036 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4037 next_stack_level, in_reg_window): Helper fns.
4038 (__throw): Implement for DWARF2_UNWIND_INFO.
4040 * expr.c (expand_builtin): Handle builtins used by __throw.
4041 * tree.h (enum built_in_function): Add builtins used by __throw.
4042 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4043 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4044 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4045 (expand_builtin_extract_return_addr): Likewise.
4046 (expand_builtin_frob_return_addr): Likewise.
4047 (expand_builtin_set_return_addr_reg): Likewise.
4048 (expand_builtin_eh_stub): Likewise.
4049 (expand_builtin_set_eh_regs): Likewise.
4050 (eh_regs): Choose two call-clobbered registers for passing back values.
4052 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4053 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4054 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4055 (stmp-multilib): Likewise.
4056 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4058 * except.c: #include "defaults.h".
4059 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4060 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4061 (register_exception_table_p): New fn.
4062 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4063 (end_eh_unwinder): Likewise.
4065 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4066 call __register_frame and __deregister_frame as needed.
4067 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4068 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4069 EH_FRAME_SECTION_ASM_OP.
4070 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4071 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4072 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4074 * dwarf2out.c (output_call_frame_info): If no support for
4075 EXCEPTION_SECTION, mark the start of the frame info with a
4077 * collect2.c (frame_tables): New list.
4078 (is_ctor_dtor): Recognise frame entries.
4079 (scan_prog_file): Likewise.
4080 (main): Pass -fno-exceptions to sub-compile. Also do collection
4081 if there are any frame entries.
4082 (write_c_file_stat): Call __register_frame_table and
4083 __deregister_frame as needed.
4084 (write_c_file_glob): Likewise.
4086 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4087 Also require unaligned reloc support.
4088 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4089 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4090 * sparc/sysv4.h: Not here.
4092 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4093 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4094 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4096 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4097 EH implementations to the top.
4098 (find_exception_handler): Split out. Start from 0. Compare against
4100 (__find_first_exception_table_match): Use it.
4101 * except.c (output_exception_table): Don't do anything if there's
4102 no table. Don't output a first entry of zeroes.
4103 (eh_outer_context): Adjust properly.
4104 (add_eh_table_entry): Use xrealloc.
4105 * toplev.c (compile_file): Just call output_exception_table.
4107 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4109 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4111 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4113 * except.c (eh_outer_context): Do masking using expand_and.
4115 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4117 Add port done awhile ago for the ARC cpu.
4118 * arc/arc.h: New file.
4119 * arc/arc.c: New file.
4120 * arc/arc.md: New file.
4121 * arc/initfini.c: New file.
4122 * arc/lib1funcs.asm: New file.
4123 * arc/t-arc: New file.
4124 * arc/xm-arc.h: New file.
4125 * ginclude/va-arc.h: New file.
4126 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4127 * ginclude/varargs.h: Likewise.
4128 * Makefile.in (USER_H): Add va-arc.h.
4129 * configure.in (arc-*-elf*): Recognize.
4130 * longlong.h: Add ARC support.
4132 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4134 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4135 when clearing non-BLKmode data.
4137 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4139 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4140 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4142 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4144 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4146 * Makefile.in (clean): Delete libgcc1-test.
4148 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4150 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4152 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4155 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4157 * dwarf2out.c (output_call_frame_info): Call named_section.
4159 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4161 * haifa-sched.c (print_value): Fix last change.
4163 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4165 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4168 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4170 * mips.c (function_prologue): Set up the CFA when ABI_32.
4172 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4173 for dwarf2 unwind info.
4174 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4176 * final.c (final_end_function): Check dwarf2out_do_frame instead
4177 of DWARF2_DEBUG for dwarf2 unwind info.
4178 (final_scan_insn): Likewise.
4179 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4182 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4185 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4187 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4189 * v850.h (ASM_SPEC): Pass on target processor.
4190 (CPP_PREDEFINES): Only define if not already specified.
4191 (TARGET_VERSION): Only define if not already specified.
4192 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4194 (EXTRA_SWITCHES): Extra entries in the switches array.
4195 (TARGET_DEFAULT): Set default target processor.
4197 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4199 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4200 cases, add %# and %/, and add : to make them into extended asms.
4202 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4204 * alias.c (init_alias_analysis): Clean up incompatible pointer
4205 type warning in bzero.
4206 * regmove.c (regmove_optimize): Ditto.
4207 * haifa-sched.c (find_rgns): Ditto.
4209 * haifa-sched.c (print_value): Clean up ptr->int cast
4212 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4214 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4215 * install.texi (Configurations): Ditto.
4216 * config.sub: Ditto.
4218 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4220 * Makefile.in (sdbout.o): Depend on insn-config.h.
4222 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4224 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4225 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4227 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4229 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4230 prologue insn, only the first elt is significant.
4231 (output_call_frame_info): For exception handling, always use 4-byte
4232 fields as specified by the dwarf2 spec.
4233 Don't skip trivial FDEs.
4235 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4237 * version.c: Bump for snapshot.
4239 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4241 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4242 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4245 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4247 * final.c (shorten_branches): During first pass, assume worst
4248 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4250 * Makefile.in (distclean): Remove various things left around
4251 by running the testsuite.
4253 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4255 * configure.in (out_file): Emit definition to config.status in order
4256 to have a defined value for configure.lang.
4257 * configure: Re-built.
4259 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4261 * configure.in: Make symlink to as-new rather than as.new. Similarly
4263 * configure: Rebuilt.
4265 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4267 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4269 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4271 * sparc/sparc.md: Add ultrasparc scheduling support.
4272 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4274 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4276 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4277 as initial value for real_label_map.
4278 (copy_for_inline): Likewise.
4280 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4282 * sched.c (update_flow_info) When looking if to set found_split_dest
4283 or found_orig_dest, look at all parts of a PARALLEL.
4284 * haifa-sched.c (update_flow_info): Likewise.
4286 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4288 * v850: New directory for v850 port.
4289 * v850/lib1funcs.asm: New file.
4290 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4291 * ginclude/va-v850.h: New file.
4292 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4293 * configure.in (mn10200-*-*): New target.
4294 * configure: Rebuilt.
4295 * config.sub: Handle v850-elf.
4296 * Makefile.in (USER_H): Add va-mn10200.h.
4297 * invoke.texi: Document v850 stuff.
4299 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4301 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4302 has integer TYPE_{MAX,MIN}_VALUE before using them.
4304 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4305 __HPUX_ASM__ versions.
4307 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4309 * install.sh: Delete duplicate install script.
4311 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4313 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4314 computed goto which sets the same stack register.
4316 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4317 destination are both on the regstack.
4318 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4320 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4322 * mips.md (nonlocal_goto_receiver): Define.
4324 * profile.c (output_arc_profiler): Check next_insert_after for non
4325 NULL before deferencing it.
4327 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4329 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4331 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4333 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4335 * toplev.c (rest_of_compilation): For passes starting with
4336 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4338 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4341 * flow.c (print_rtl_with_bb): Print which insns start and end
4342 basic blocks. For the start of a basic block, also print the live
4345 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4347 * toplev.c (main): Change #elif to #else/#ifdef
4349 * tlink.c: Include ctype.h.
4350 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4352 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4354 * bitmap.c: Conditionally include stdlib.h.
4355 (free): Provide a declaration if NEED_DECLARATION_FREE.
4357 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4359 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4361 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4363 * profile.c (output_arc_profiler): Verify next_insert_after is an
4364 INSN before and after skipping a stack pop.
4366 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4368 * final.c (shorten_branches): Don't count the lengths of deleted
4371 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4373 * version.c: Bump for snapshot.
4375 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4377 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4378 two bitmaps ANDed together.
4379 (bitmap_print): Declare.
4381 * bitmap.c (function_obstack): Don't declare any more.
4382 (bitmap_obstack): Obstack for allocating links from.
4383 (bitmap_obstack_init): New static to say whether to initialize
4385 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4386 (bitmap_release_memory): Free all memory allocated from
4389 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4390 EXECUTE_IF_AND_IN_BITMAP.
4392 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4394 * alias.c (true_dependence): Address with AND can alias scalars.
4395 (anti_dependence, output_dependence): Likewise.
4397 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4399 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4401 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4402 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4403 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4404 definitions. Use -qrtems instead of -mrtems.
4406 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4408 * xm-sco5.h (sys_siglist): Define.
4409 (SYS_SIGLIST_DECLARED): Likewise.
4411 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4413 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4415 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4417 * except.c (eh_outer_context): Expand masking operation using
4420 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4422 * alpha.md (floatdisf2-1): New pattern.
4424 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4426 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4427 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4428 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4429 * gcc.texi: Note that if you define sys_siglist that you should
4430 also define SYS_SIGLIST_DECLARED.
4432 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4433 are relative to the next instruction, not the current instruction.
4435 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4437 * local-alloc.c (contains_replace_regs): New function.
4438 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4439 verify that there is no existing REG_EQUIV note, and add a call to
4440 contains_place_regs.
4442 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4444 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4445 (STARTFILE_SPEC): Always use crtbegin.o%s
4446 (ENDFILE_SPEC): Always use crtend.o%s.
4448 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4450 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4452 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4453 SFmode for 64 bit hosts.
4455 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4457 * fixincludes: Permits spaces between # and define. Discard C++
4458 comments in sys/pci.h on HP/UX 10.20.
4460 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4462 * version.c: Bump for snapshot.
4464 * pa.c (restore_unscaled_index_insn_codes): New function.
4465 (record_unscaled_index_insn_codes): Likewise.
4466 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4467 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4468 (pa_reorg): Call record_unscaled_index_insn_codes.
4470 * haifa-sched.c (move_insn): Handle notes correctly for insns
4471 with SCHED_GROUP_P set.
4473 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4475 * alpha/xm-linux.h (USE_BFD): Undef before define.
4477 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4479 * cse.c (cse_insn): Don't record BLKmode values.
4481 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4483 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4485 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4487 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4488 * collect2.c (sys_errlist): Likewise.
4489 * cpplib.c (sys_errlist): Likewise.
4490 * gcc.c (sys_errlist): Likewise.
4491 * protoize (sys_errlist): Likewise.
4492 * configure.in: Check for strerror.
4493 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4494 * xm-gnu.h (HAVE_STRERROR): Likewise.
4495 * xm-linux.h (HAVE_STRERROR): Likewise.
4496 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4497 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4498 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4499 * xm-dos.h (HAVE_STRERROR): Likewise.
4500 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4501 * xm-pa.h (HAVE_STRERROR): Likewise.
4502 * xm-papro.h (HAVE_STRERROR): Likewise.
4503 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4504 * configure, config.in: Rebuilt.
4506 * Makefile.in: Add several missing "else true" clauses.
4508 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4509 * mips-tfile.c: Likewise.
4510 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4511 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4512 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4513 * configure.in: Check for sys_siglist declaration.
4514 * configure, config.in: Rebuilt.
4516 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4518 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4519 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4520 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4521 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4522 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4523 macro EXTRA_SUBTARGET_SWITCHES.
4524 * configure.in (sh*-*-rtems*): New target.
4525 * sh/rtems.h: New file.
4526 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4527 * configure: Rebuilt.
4529 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4531 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4533 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4535 * rs6000.md: Make DF fused-add operations pay attention to
4538 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4540 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4542 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4544 * pa.md (reload_peepholes): Make sure operand is a REG before
4545 examining REGNO. Allow general registers too.
4547 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4549 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4551 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4553 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4554 to reallocate abbrev_die_table.
4556 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4558 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4560 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4562 * Makefile.in (config.status): Depend on version.c
4564 * expr.h (insn_gen_function): Reenable prototype.
4566 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4569 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4571 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4573 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4575 * version.c: Bump for latest snapshot.
4577 * bc-optab.c: Conditionally include stdlib.h.
4578 (free): Provide a declaration if NEED_DECLARATION_FREE.
4579 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4580 * rtl.h (free): Remove declaration.
4581 * tree.h (free): Remvoe declaration.
4583 * configure: Rebuilt.
4585 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4587 * flags.h (flag_move_all_movables): Declare.
4588 (flag_reduce_all_givs): Likewise.
4589 * loop.c (move_movables): Handle flag_move_all_movables.
4590 (strength_reduce): Handle flag_reduce_all_givs.
4591 * toplev.c (flag_move_all_movables): Define.
4592 (flag_reduce_all_givs): Likewise.
4593 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4594 * invoke.texi: Document new options, including alias stuff that
4595 wasn't included last time.
4597 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4599 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4602 * t-vxworks68: Ditto.
4603 * t-vxworks960: Ditto.
4606 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4608 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4609 if not already defined, and USE_C_ALLOCA not defined.
4611 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4613 * config.guess: Replace with script that uses ../config.guess.
4615 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4616 if USE_GNULIBC_1 is not defined.
4618 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4620 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4621 * config.guess: Recognize alpha-linux-gnulibc1.
4622 * configure.in (alpha-*-linux-gnulibc1): New target.
4623 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4625 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4627 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4630 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4632 * loop.c (combine_movables): Earlier insns don't match later ones.
4634 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4636 * config/linux.h (CC1_SPEC): Define it only if not defined.
4638 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4641 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4642 USE_GNULIBC_1 is not defined.
4644 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4646 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4647 as 1 if USE_GNULIBC_1 is not defined.
4649 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4651 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4652 to be something other than a REG.
4653 * function.c (expand_function_end): Fix current_function_return_rtx
4656 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4657 * x-netbsd: Likewise
4658 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4659 (INSTALL_HEADERS): Delete.
4660 * x-dguxbcs: Likewise.
4661 * x-hp3bsd44: Likewise
4664 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4666 * i386.md (pop): pop increments the stack pointer.
4667 (prologue_set_stack_ptr): New pattern.
4668 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4671 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4673 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4674 address where an offsettable address is required.
4676 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4678 * loop.c (check_final_value): Don't miss a biv increment in a
4681 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4683 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4684 TYPE_DECL_IS_STUB instead of DECL_NAME.
4686 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4688 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4690 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4692 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4694 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4696 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4697 (find_post_sched_live): Likewise.
4699 * haifa-sched.c (schedule_block): Remove old code to get arguments
4700 from hard regs into pseudos early.
4702 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4704 * version.c: Bump for new snapshot.
4706 * local-alloc.c (update_equiv_regs): All the target to reject
4707 promotion of some REG_EQUAL to REG_EQUIV notes.
4708 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4710 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4713 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4714 store of the argument registers.
4716 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4718 * fold-const.c (multiple_of_p): New function.
4719 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4721 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4723 * expr.h (insn_gen_function): Temporarily remove prototype.
4725 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4727 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4728 filenames. Use sed to extract base filename for install.
4730 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4732 * unroll.c (find_splittable_givs): Only share if two givs have the
4733 same add and multiply values.
4735 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4737 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4738 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4740 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4742 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4743 around branch tables.
4744 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4745 and .end_brtab directives if TARGET_GAS.
4747 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4749 * alias.c (true_dependence): Pass x_addr not x to varies.
4751 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4752 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4753 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4755 * config.in, configure: Regenerate.
4757 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4759 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4761 (record_set): Handle LO_SUM like PLUS.
4762 (init_alias_analysis): When following chains of base addresses,
4763 do not stop on reaching a hard register.
4765 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4767 * version.c: Bump for new snapshot.
4769 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4771 * alpha.h (ARCH_ASM_FILE_START): Define.
4772 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4773 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4775 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4777 * Makefile.in (install-common): Put gcov comment at start of line.
4779 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4781 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4782 array, simplify entries for hard registers too.
4784 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4786 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4789 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4791 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4792 block_stack before dereferencing it.
4794 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4796 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4798 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4800 * cplus-dem.c: Add 'extern' to prepends_underscore.
4802 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4804 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4805 (get_issue_rate): Delete.
4806 * pa.h (ISSUE_RATE): Define.
4808 * configure.in: Turn on haifa by default for the PA.
4809 * configure: Rebuilt.
4810 * pa.c (override_options): Accept -mschedule=7200 option.
4811 (pa_adjust_cost): No longer need to scale costs for newer
4813 * pa.h (enum processor_type): Add PROCESSOR_7200.
4814 * pa.md: Revamp scheduling parameters to work better with
4815 haifa. Add scheduling parameters for the 7200.
4817 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4819 (schedule_block): When adjusting basic_block_{head,end}, account
4820 for movement of SCHED_GROUP_P insns too.
4822 * haifa-sched.c (debug_dependencies): Fix thinko.
4824 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4825 (site.exp, check, check-g++, check-gcc): New targets.
4827 * haifa-sched.c: Make lots of variables static.
4829 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4831 * expr.h, real.h: Finish prototyping.
4833 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4835 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4836 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4837 * reload1.c: Undo bugfix from Aug 11.
4839 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4841 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4842 quotes around the name.
4843 * configure: Regenerate.
4845 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4847 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4849 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4851 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4852 to sub-makes to avoid building more passes than the user might have
4853 requested on the command line.
4855 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4857 * configure.in: Expurgate `broken_install' (install is
4860 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4863 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4865 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4866 functions and declarations.
4867 (analyze_loop_iterations): Use condjump_p.
4868 (insert_bct): Likewise. Use exact_log2.
4870 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4872 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4873 (schedule_region): Likewise.
4874 (schedule_insns): Likewise.
4876 * PROJECTS: Update with Haifa stuff.
4878 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4880 * version.c: Change the version string to look like:
4881 egcs-2.90.00 970814 (gcc2-970802 experimental).
4883 * loop.c (is_conditional_branch): Make definition match declaration.
4885 * gcc.c: Take out experimental snapshot warning message.
4887 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4889 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4890 print out the names of the notes. Print out the name of the insn
4891 that is not a note, and not an {,CALL_,JUMP_}INSN.
4893 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4895 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4896 again for the slot after we give it RTL.
4898 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4900 * configure.in (haifa configury): Fix typo.
4901 * configure: Regenerate.
4903 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4905 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4907 * gcc.info*: Rebuilt.
4909 * COPYING.g77, README.g77: New files.
4910 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4911 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4912 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4914 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4916 * Integrate Haifa instruction scheduler.
4917 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4918 to sched with $(SCHED_CFLAGS.
4919 * configure.in: Handle --enable-haifa.
4920 * configure: Rebuilt.
4921 * flags.h: Add new flags for haifa instruction scheduler.
4922 * genattrtab.c (expand_units): For haifa, don't subtract one
4923 when computing blockage.
4924 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4925 (flag_schedule_speculative): Ditto.
4926 (flag_schedule_speculative_load): Ditto.
4927 (flag_schedule_speculative_load_dangerous): Ditto.
4928 (flag_schedule_reverse_before_reload): Ditto.
4929 (flag_schedule_reverse_after_reload): Ditto.
4930 (flag_branch_on_count_reg): Ditto.
4931 (f_options): Add Haifa switches.
4932 (main): Turn off some Haifa options if appropriate macro is
4933 defined. Process Haifa switches.
4934 * unroll.c (iteration_info): No longer static, since Haifa
4936 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4937 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4938 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4939 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4940 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4941 storage for the Haifa scheduler.
4942 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4944 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4945 are defined, call analyze_loop_iterations and insert_bct to use
4947 (record_giv): Refine test for jumps out of loops if HAIFA is
4949 (analyze_loop_iterations): New function to identify if we can use
4951 (insert_bct): Insert countdown loop.
4952 (instrument_loop_bct): Low level code to insert countdown loop.
4953 (loop_number): Calculate UID of loop.
4954 (indirect_jump_in_function_p): Return true if an indirect jump is
4956 (is_power_of_2): Return true if value is a power of 2.
4957 (is_conditional_branch): Return true if insn is a conditional
4959 (fix_bct_param): Process -fbct-{min,max}-N switches.
4960 (check_bct_param): Return true if loop should be instrumented.
4961 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4962 (loop_optimize): Initialize.
4963 (get_condition_for_loop): Ditto.
4964 * loop.c (strength_reduce): Inside of code that uses #ifdef
4965 HAVE_decrement_and_branch_on_count code, test it to make sure the
4967 (instrument_loop_bct): Ditto.
4968 * haifa-sched.c: New file.
4971 * Integrate regmove pass.
4972 * Makefile.in (OBJS): Add regmove.o
4973 (regmove.o): Add dependencies.
4974 * flow.c (find_use_as_address): No longer static.
4975 * rtl.h (find_use_as_address): Declare.
4976 * toplev.c (regmove_dump, flag_regmove): Define.
4977 (f_options): Add -fregmove.
4978 (regmove_dump_file, regmove_time): Define.
4979 (fatal_insn): Close the regmove dump file.
4980 (compile_file): Initialize regmove_time; open/close the regmove dump
4981 file as needed. Print regmove time as needed.
4982 (rest_of_compilation): Run regmove pass if requested, dump
4983 RTL after regmove if requested.
4984 (main): If -O2 or more, turn on regmove. Handle dump switches.
4985 * regmove.c: New file.
4987 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4989 * Integrate tlink patch from jason@cygnus.com
4990 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4991 (process_command): Increment n_switches for them. Don't discard
4992 their args. Validate them.
4993 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4995 (process_command): Set include_prefixes from COMPILER_PATH.
4996 (main): Set COLLECT_GCC_OPTIONS sooner.
4997 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4998 * tlink.c, hash.c, hash.h: New files.
4999 * Makefile.in (USE_COLLECT2): Always use collect2.
5000 (collect2): Depend on and link in hash.o and tlink.o.
5001 (tlink.o, hash.o): Add dependencies.
5003 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5005 * Integrate alias analysis changes from jfc@mit.edu
5006 * Makefile.in (OBJS): Add alias.o
5007 (alias.o): Add dependencies.
5008 * alias.c: New file.
5009 * sched.c: Remove alias analysis code. It lives in alias.c now.
5010 (sched_analyze_2): Add new arguments to true_dependence.
5011 (schedule_insns): Always call init_alias_analysis.
5012 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5013 mark return value from such functions as a pointer and keep track of
5014 them for alias analysis. If a return value from a function is a
5015 pointer, mark it as such.
5016 * combine.c (distribute_notes): Handle REG_NOALIAS.
5017 * cse.c (struct write_data): Delete. No longer needed.
5018 (invalidate): Don't call set_nonvarying_address_components anymore.
5019 Use true_dependence to decide if an entry should be removed from
5021 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5023 (note_mem_written): Similarly for WRITE_PTR argument.
5024 (invalidate_from_clobbers): Similarly for W argument.
5025 (invalidate_for_call): Remove memory elements from the hash table.
5026 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5027 (cse_rtx_varies_p): New function. Derived from old
5028 cse_rtx_addr_varies_p.
5029 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5030 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5031 pointer if PUSH_ROUNDING is defined. No longer need to call
5032 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5033 (skipped_writes_memory): Remove variable.
5034 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5035 (invalidate_skipped_block): Simplify for new alias analysis code.
5036 (cse_set_around_loop): Likewise.
5037 (cse_main): Call init_alias_analysis.
5038 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5039 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5040 (f_options): Add new alias checking arguments.
5041 (main): Set flag_alias_check when optimizing.
5042 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5044 (memref_referenced_p): Likewise.
5045 * loop.c (NUM_STORES): Increase to 30.
5046 (prescan_loop): Only non-constant calls set unknown_address_altered.
5047 (invariant_p): Add new arguments to true_dependence.
5048 (record_giv): Initialize unrolled and shared fields.
5049 (emit_iv_add_mult): Call record_base_value as needed.
5050 * loop.h (struct induction): Add unrolled and shared fields.
5051 * unroll.c (unroll_loop): Call record_base_value as needed.
5052 (copy_loop_body): Likewise.
5053 (final_biv_value): Likewise.
5054 (final_giv_value): Likewise.
5055 (find_splittable_regs): Likewise. Only create one new pseudo
5056 if we have multiple address GIVs that were combined with the same
5057 dst_reg GIV. Note when a new register is created due to unrolling.
5058 * rtl.c (reg_note_name): Add REG_NOALIAS.
5059 * rtl.h (enum reg_note): Similarly.
5060 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5061 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5062 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5063 (true_dependence, read_dependence, anti_dependence): Likewise.
5064 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5065 (mark_user_reg, mark_reg_pointer): Likewise.
5068 * Integrate reload bugfix from Wilon which enables the PA port
5070 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5071 OPERAND_ADDRESS when computing how many registers an insn needs.
5072 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5074 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5076 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5077 in reload_reg_use_in_op_addr do not reach the end.
5078 do not reach the end.
5079 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5080 RELOAD_FOR_OPERAND_ADDRESS.
5082 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5084 * egcs project officially starts.