1 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3 * vmsconfig.com: Remove bytecode references.
5 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
8 -fno-sjlj-exceptions works for a target that defines
9 DWARF2_UNWIND_INFO as zero.
11 * regmove.c (fixup_match_1): Undo last change which removed some
12 "useless" code, and add a comment explaining this.
14 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
16 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
19 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
21 * makefile.vms: Remove bytecode references.
24 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
26 * jump.c (jump_optimize): Allow conditional loading of floating point
27 constants and constants from memory. Reinstalled modified_in_p tests.
29 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
31 * loop.c (get_condition): Handle sign-extended constants.
33 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
35 * expr.c (emit_push_insn): Add code to use movstrti if present.
37 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
38 and movstrqi as in emit_block_move ().
40 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
42 * config/m68k/x-next: Remove /NextDeveloper/Headers from
43 the directories to fixinclude - /usr/include is a link
44 to it and hence its contents are fixed by default.
46 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
48 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
50 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
52 * cccp.c (main): Predefine __VMS_VER on VMS.
54 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
56 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
57 * fold-const.c (size_int): Replace with
59 (make_bit_field_ref): Use bitsize_int for bit position.
60 * stor-layout.c (sizetype): Delete.
61 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
62 (layout_record, layout_union, layout_type):
63 Use bitsize_int for bit size.
64 (set_sizetype): New function.
65 (make_signed_type, make_unsigned_type): Use it.
66 * c-decl.c (init_decl_processing): Likewise.
67 * tree.h (size_int): Don't delcare, #define.
68 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
69 (set_sizetype): Declare.
70 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
72 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
73 Convert result to sizetype.
74 (really_start_incremental_init, push_init_level):
75 Set type of constructor_bit_index to sbitsizetype.
76 (push_init_level): Use unsigned arithmetic to determine padding.
77 (output_init_element): Likewise.
79 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
81 * combine.c (simplify_shift_const): Fix typo in last change.
83 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
85 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
86 is (truncate (lshiftrt)).
88 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
90 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
91 Make sure result winds up in TGT.
92 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
93 src to be other than DImode.
94 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
95 (alpha_expand_unaligned_store_words): Likewise.
96 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
97 that source and destination are separately optimized for alignment.
98 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
100 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
102 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
103 with handling of -32768.
105 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
107 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
108 shell variable argument instead of only hard coded functions.
109 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
111 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
112 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
113 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
114 declarations for bcopy, bcmp and bzero.
116 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
118 * gansidecl.h: If we have bcopy but don't declare it, then do so.
119 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
120 bzero, index and rindex if they aren't already present.
122 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
124 * toplev.c (close_dump_file): Wrap function prototype for
125 argument "func" in PROTO.
126 (dump_rtl): Likewise.
128 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
130 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
132 (output_function_epilogue): Omit epilogue if nothing drops through.
133 (output_move_double): Supress int ldd usage on ultrasparc and v9.
134 (registers_ok_for_ldd_peep): Likewise.
135 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
136 (ultrasparc_adjust_cost): New function.
137 (sparc_issue_rate): New function.
138 * sparc.h (MASK_VIS, TARGET_VIS): New
139 (MASK_V8PLUS, TARGET_V8PLUS): New.
140 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
141 (TARGET_SWITCHES): Add vis and v8plus.
142 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
143 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
144 (RTX_COSTS): Use TARGET_HARD_MUL
145 (ADJUST_COST): Call ultrasparc_adjust_cost.
147 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
148 of load & fp appropritely.
149 (supersparc function units): Adjust for Haifa.
150 (ultrasparc function units): Likewise.
151 (get_pc_via_rdpc): All v9, not just arch64.
152 (movdi_v8plus, movdi_v8plus+1): New.
153 (adddi3_sp32+1): New.
154 (subdi3_sp32+1): New.
155 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
156 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
157 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
158 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
159 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
160 (ldd peepholes): Suppress for v9.
161 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
162 (return_subsi): Revmove.
164 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
166 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
167 save/restore MEM rtl.
169 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
171 * configure.in: Check for declaration of abort.
172 * acconfig.h: Corresponding changes.
173 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
176 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
178 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
181 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
183 * version.c: Bump for snapshot.
185 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
187 * configure.in: Check for atoq and atoll.
188 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
189 proper routine for converting ascii into long long values.
191 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
193 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
195 * vmsconfig.com: Remove bytecode references.
197 * alpha/vms.h (PREFIX): Define.
199 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
201 * am-alpha.h: Don't include alloca for OPEN_VMS.
203 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
205 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
206 (GCC_INCLUDE_DIR): Define
208 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
209 * makefile.vms: New file.
211 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
213 * alpha.c (output_prolog): Output '.name' directive
214 for minimal traceback information.
216 * alpha.c (output_prolog): Don't prepend entry point symbols
217 with '$' on OPEN_VMS.
219 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
220 Jeffrey A Law (law@cygnus.com)
222 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
225 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
227 * genemit.c (gen_exp): Likewise.
228 * genpeep.c (match_rtx): Likewise.
229 * genrecog.c (write_tree_1): Likewise.
231 * c-lex.c (yyprint): Use proper format string based upon
232 disposition of HOST_BITS_PER_WIDE_INT.
233 (yylex): Put casts in right place for args to build_int_2.
235 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
237 * combine.c: Fix typos in Jan27 changes.
239 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
241 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
242 (LINK_SPEC): Likewise.
243 (STARTFILE_SPEC): Likewise.
245 1998-01-28 Mike Stump <mrs@wrs.com>
247 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
249 * genattrtab.c (reload_completed): Define.
251 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
254 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
256 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
257 SUBREG_REG if the word count is unchanged, also in the input reload
258 case. Disable non-applicable sanity checks.
260 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
262 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
264 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
266 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
268 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
270 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
271 is a TREE_VEC before trying to use it for baseclasses.
272 (Chill uses the same field for a different purpose.)
274 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
276 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
278 * config.sub: More accurate determination of HP processor types.
280 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
283 prototype for `handle_sysv_pragma', and make it static. Add
284 parentheses around assignment used as truth value.
286 * combine.c (combine_instructions): Protect variable `prev' with
288 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
289 (extract_left_shift): Add parentheses around operand of &.
290 (merge_outer_ops): Avoid an empty body in an else-statement.
291 (gen_rtx_combine): Remove unused variable `i'.
293 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
294 function monstartup `void'. Likewise for internal_mcount. Add
295 `static void' prototype for moncontrol. Reconcile sprintf format
298 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
299 Make return type of function_arg_slotno explicitly `int'.
300 (reg_unused_after): Add parentheses around assignment used as
302 (save_regs): Add explicit braces to avoid ambiguous `else'.
303 (function_arg_slotno): Add parentheses around && within ||.
304 (function_arg_pass_by_reference): Likewise.
305 (sparc_flat_output_function_prologue): Reconcile fprintf format
308 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
309 assignment used as truth value.
311 * cplus-dem.c: Include <stdlib.h>.
312 (demangle_signature): Avoid an empty body in an else-statement.
313 (do_type): Remove unused variable `lvl'.
315 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
316 Include <string.h>/<strings.h>.
317 (cpp_lex): Remove unused variable `namelen'.
318 (cpp_lex): Explicitly declare `num_chars' as an int.
320 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
321 <unistd.h> instead. Explicitly declare is_system_include
323 (make_assertion): Remove unused variable `kt'.
324 (cpp_expand_to_buffer): Hide variable `obuf'.
325 (output_line_command): Remove unused variables, `line_end',
326 `line_cmd_buf' and `len'.
327 (macarg): Remove unused variable `arg_start'.
328 (special_symbol): Remove unused variable `i'. Add parentheses
329 around assignment used as truth value.
330 (do_include): Remove unused variables `pcfname' and `retried',
331 hide `pcf' and `pcfbuflimit'.
332 (do_line): Remove unused variable `i'.
333 (finclude): Hide variable `missing_newline'.
334 (cpp_handle_options): Remove unused variable `j'.
335 (read_token_list): Remove unused variable `eofp'.
336 (cpp_error_with_line): Remove unused variable `i'.
337 (cpp_warning_with_line): Likewise.
338 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
339 (cpp_error_from_errno): Remove unused variable `i'.
341 * cse.c (invalidate): Add parentheses around assignment used as
343 (find_best_addr): Move declaration of variable `our_cost' inside
344 the conditional macro where its used.
345 (fold_rtx): Avoid an empty body in an if-statement.
346 (cse_insn): Wrap variables `this_insn_cc0_mode' and
347 `this_insn_cc0' in macro HAVE_cc0.
349 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
350 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
351 (output_uleb128): Likewise.
352 (output_sleb128): Likewise.
353 (output_cfi): Likewise.
354 (output_call_frame_info): Remove unused variables `j', `fde_size'
356 (comp_unit_has_inlines): Hide declaration as per rest of file.
357 (size_of_line_prolog): Correct typo in prototype.
358 (add_arange): Likewise.
359 (output_aranges): Likewise.
360 (add_name_and_src_coords_attributes): Likewise.
361 (gen_array_type_die): Likewise.
362 (gen_inlined_subroutine_die): Likewise.
363 (equate_decl_number_to_die): Remove unused variable `i'.
364 (print_die): Reconcile format vs. args in fprintf's.
365 (print_dwarf_line_table): Likewise.
366 (output_die): Likewise.
367 (output_line_info): Likewise.
368 (add_subscript_info): Avoid an empty body in an else-statement.
369 (gen_subprogram_die): Remove unused variable `fp_loc'.
371 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
372 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
373 macro. Protect `src_coords_attribute' prototype with
374 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
375 prototype as in the rest of the file. Likewise for
376 `output_pointer_type_die' and `output_reference_type_die'. Remove
377 prototype for `type_of_for_scope'.
378 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
379 (type_attribute): Add explicit braces to avoid ambiguous `else'.
381 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
382 (shorten_branches): Protect declaration of tmp_length with
383 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
384 (profile_function): Protect declaration of `sval' and `cxt'
385 variables with appropriate macros.
386 (final_scan_insn): Likewise for `note' variable. Add explicit
387 braces to avoid empty body in an if-statement.
388 (output_asm_insn): Move variable `i' inside macro conditional
389 where it is used. Add parentheses around assignment used as truth
391 (asm_fprintf) Likewise, likewise.
393 * fix-header.c (main): Remove unused variable `done'. Protect
394 declaration of `i' with FIXPROTO_IGNORE_LIST.
396 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
398 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
401 * profile.c: Include <string.h>/<strings.h>.
402 (instrument_arcs): Remove unused variables `note', `inverted',
403 `zero' and `neg_one'.
404 (branch_prob): Avoid empty body in an if-statement.
406 * regclass.c: Include <stdlib.h>.
407 (reg_alternate_class): Explicitly declare parameter `regno'.
409 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
410 parentheses around assignment used as truth value.
411 (find_matches): Remove unused variables `output_operand' and
413 (fixup_match_1): Remove statement with no effect: "if (0) ;".
415 * scan.c (sstring_append): Explicitly declare `count' as int.
416 (scan_string): Explicitly declare parameter `init' as int.
418 * sched.c: Include <stdlib.h>.
419 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
420 (rank_for_schedule): Add parentheses around assignment used as
422 (schedule_block): Likewise.
423 (regno_use_in): Likewise.
424 (schedule_insns): Remove unused variable `i'.
426 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
427 (v_message_with_decl): Remove unused variable `n'.
428 (botch): Explicitly declare parameter `s' as char *.
429 (main): Add parentheses around assignment used as truth value.
431 * tree.c (make_node): Protect the variable `kind' with the
432 GATHER_STATISTICS macro.
433 (real_value_from_int_cst): Move variable `e' inside conditional
434 macro area where it is used.
435 (tree_last): Add parentheses around assignment used as truth value.
436 (build1): Protect the variable `kind' with the GATHER_STATISTICS
438 (print_obstack_statistics): Reconcile format vs. args in fprintf.
439 Protect variables `i', `total_nodes', and `total_bytes' with the
440 GATHER_STATISTICS macro.
442 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
444 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
445 some comments regarding use of dead_or_set_p.
447 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
449 * fixincludes: Tweak fix for struct exception in math.h
451 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
453 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
454 Change mode of registers used to add/sub from
455 hard_frame_pointer_rtx from word_mode to Pmode.
457 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
459 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
460 asm_output_aligned_bss() instead of asm_output_bss().
462 * toplev.c (rest_of_compilation): Replace references to
463 stack_reg_dump_file and dbr_sched_dump_file with references to
466 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
468 * tlink.c (scan_linker_output): Call fclose() for opened files.
470 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
472 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
473 compiling with -fpic -- we want to be able to override symbols
475 (alpha_expand_block_move): Fix thinko in last change.
477 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
478 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
479 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
481 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
483 * alpha.md (abssf, absdf): Revert last change.
485 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
487 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
488 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
490 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
492 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
493 a CONST_INT into SFmode.
495 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
497 * flags.h: New flag (optimize_size).
498 * toplev.c (main): Parse -Os option and set optimize_space
500 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
501 __OPTIMIZE_SIZE__ when compiling with -Os.
502 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
503 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
504 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
506 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
508 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
510 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
511 stuff only if MCT_TEXT is #define'd.
513 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
515 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
518 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
520 * toplev.c: Add -dM command line option to dump RTL after the
521 machine dependent reorganisation pass, if there is one.
522 Reorganise RTL dump code, so that only one file handle is
525 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
527 * except.c (check_exception_handler_labels): Disable warning when
530 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
532 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
534 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
536 * c-decl.c (grokdeclarator): Get parameter tags from
537 last_function_parm_tags.
538 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
539 traversing the parameter types.
540 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
542 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
544 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
546 (get_shift_alg): Fix typo.
548 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
550 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
552 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
554 * toplev.c (get_run_time): Make sure each case gets its variables.
556 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
558 * configure.in (build_xm_file): Add auto-config.h if host=build.
559 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
560 (build_xm_file_list): Likewise.
561 * configure: Rebuild.
563 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
565 * recog.c (validate_replace_rtx_1): Only perform substitutions
566 of arguments to commutative and comparison operators once.
568 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
570 * sparc.c (output_cbranch): Add default case in
573 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
574 (emit_delay_sequence): Eliminate unused parameter, all callers
576 (fill_simple_delay_slots): Likewise.
577 (fill_slots_from_thread): Likewise.
578 (fill_eager_delay_slots): Likewise.
579 (mark_referenced_resources): Add default case in enumeration switch.
580 (mark_set_resources): Likewise.
581 (rare_destination): Likewise.
582 (mostly_true_jump): Likewise.
583 (find_dead_or_set_registers): Likewise.
584 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
585 (update_reg_unused_notes): Remove unused variable `p'.
586 (mark_target_live_regs): Remove unused variables `next' and
588 (fill_simple_delay_slots): Remove unused variable `j'.
589 (fill_slots_from_thread): Add parentheses around assignment used
591 (dbr_schedule): Likewise.
593 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
594 (objc.stage2, objc.stage3, objc.stage4): Likewise.
596 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
598 * cse.c (simplify_ternary_operation): Don't try to simplify
599 IF_THEN_ELSE expressions (created by combine) that don't use
600 relational operators.
602 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
604 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
607 * crtstuff.c (init_dummy): Keep the epilogue in the init
608 section for non-ELF systems.
610 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
612 * sh.md (movqi_i+1): New peephole.
614 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
616 * Makefile.in: Remove remaining bytecode stuff.
617 * emit-rtl.c, expr.c: Likewise.
619 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
621 * toplev.c (lang_options): Add unknown-pragma options.
623 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
625 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
626 special (and incomplete) handling for Chill arrays.
628 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
630 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
633 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
635 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
637 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
639 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
640 .frame directive instead of FRAME_POINTER_REGNUM.
642 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
644 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
645 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
646 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
647 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
648 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
649 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
650 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
651 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
653 * longlong.h: Replace __mc68332__ with __mcpu32__.
655 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
657 * version.c: Bump for snapshot.
659 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
661 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
662 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
663 * reload1.c (eliminate_regs): Likewise.
665 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
667 * regmove.c (find_matches): Initialize matches->earlyclobber too.
669 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
671 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
672 (negsf2, negdf2): Use proper subtract in IEEE mode.
674 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
676 * Makefile.in: Remove more bytecode stuff.
677 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
678 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
679 * f/install.texi, objc/Make-lang.in: Likewise.
681 * Makefile.in: Remove all bytecode support.
682 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
683 * emit-rtl.c: Remove all bytecode support.
684 * expr.c, expr.h function.c, integrate.c: Likewise.
685 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
686 * tree.h, varasm.c: Likewise.
687 * config/m68k/m68k.h: Likewise.
688 * bi-*, bc-*, bytecode*: Delete bytecode related files.
689 * modemap.def: Likewise.
691 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
693 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
694 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
696 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
698 * i386.md (push): Prohibit symbolic constants if flag_pic.
699 (movsi+1): Likewise for move to non-register.
701 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
703 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
704 (print_operand): Handle 0xffffffff on 32 bit host.
706 * configure.in (thread_file): Rename uses before main loop to
707 target_thread_file. Initialize to empty in main loop. Set thread_file
708 to target_thread_file after main loop if not set.
709 * configure: Rebuild.
711 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
712 (add_values_to_cover): Revert last change (which had no ChangeLog
714 (simplify_with_current_value_aux): Handle CONST_INT.
716 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
718 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
720 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
722 * configure.in: Add cpp stringify test.
723 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
724 * gengenrtl.c: Use it.
725 * configure, config.in: Rebuild.
727 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
729 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
731 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
733 * configure.in: Find declaration for sbrk.
734 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
735 * config.in, configure: Rebuild.
736 * mips-tfile.c: Properly protect declaration of sbrk and free.
737 * toplev.c: Properly protect declaration of sbrk.
739 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
741 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
743 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
745 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
747 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
749 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
751 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
753 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
754 constant offset computations from objects with known alignment in
755 the presence of STACK_BIAS.
757 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
759 (const_hash): Hash val is unsigned long.
762 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
764 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
765 char pointer, not HOST_WIDE_INT.
766 (print_node): Likewise. Also hash is unsigned long not
769 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
771 * explow.c (optimize_save_area_alloca): New function for targets
772 where SETJMP_VIA_SAVE_AREA is true.
773 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
774 compute the amount of stack space needed should we find later that
775 setjmp is never called by this function, stuff rtl for this inside
776 a REG_NOTE of the final SET of stack_pointer_rtx.
777 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
778 current_function_calls_alloca, call optimize_save_area_alloca.
780 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
782 * i386.md: Remove redundant integer push patterns.
783 Don't bother checking for TARGET_PUSH_MEMORY when
784 pushing constants or registers.
786 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
787 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
789 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
790 (pwait): New function for mingw32.
792 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
793 pipe support is broken for now.
795 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
797 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
798 between frame_pointer_rtx, hard_frame_pointer_rtx, and
799 arg_pointer_rtx is respected in initialization.
800 (init_emit_once): Use gen_rtx_raw_REG() to create
801 return_address_pointer_rtx.
803 * reorg.c: #include "expr.h" for rtx prototypes.
804 * Makefile.in (reorg.o): Depend on expr.h
806 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
808 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
809 local_prefix to sub-make invocations.
811 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
813 * objc-parse.c: Recognize protocol qualifiers in class definitions.
815 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
819 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
820 * configure.in: Check for atol.
821 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
823 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
825 * loop.c (find_and_verify_loops): When attempting to move insns from
826 inside the loop outside the loop, create a BARRIER if no suitable
829 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
830 favor of an equivalent change from gcc-2.8.
832 * i386/x-sco5 (CC): Remove trailing whitespace.
834 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
836 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
837 (accessor_from_format): Likewise.
838 (xmalloc): New function for use when linking with alloca.o.
840 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
842 * frame.c (find_fde): Correct FDE's upper bound.
844 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
846 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
848 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
850 * calls.c (expand_call): Move #ifdef code out of macro argument
852 (emit_library_call, emit_library_call_value): Likewise.
854 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
856 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
858 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
860 * version.c: Bump for snapshot.
862 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
864 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
865 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
866 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
867 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
868 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
869 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
870 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
871 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
872 * unroll.c, varasm.c: Likewise.
873 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
875 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
877 * mips.h: Fix some type-o's from a previous change.
879 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
881 * loop.c (check_dbra_loop): Make sure initial value is a
882 CONST_INT before trying to normalize it.
884 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
886 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
888 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
890 * cppexp.c: Include gansidecl.h
892 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
894 * svr4.h (LINK_SPEC): Never specify -h.
895 * ptx4.h (LINK_SPEC): Likewise.
896 * rs6000/sysv4.h (LINK_SPEC): Likewise.
897 * sparc/sol2.h (LINK_SPEC): Likewise.
899 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
901 * c-typeck.c (comptypes): Exit early on NULL input.
903 * haifa-sched.c (schedule_insns): Correctly remove inter-block
904 dependencies after reload.
906 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
908 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
910 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
912 * alpha/vms.h (DIR_SEPARATOR): define
914 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
916 * Makefile.in (stamp-proto): Remove.
917 (protoize.o, unprotoize.o): Straightforward compile.
918 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
920 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
922 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
923 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
925 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
927 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
928 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
929 * sparc/netbsd.h, vax/netbsd.h: Likewise.
931 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
933 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
935 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
937 * configure.in (target_cpu_default, target_cpu_default2): Use double
938 quotes around them when testing their value.
939 * configure: Rebuilt.
941 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
943 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
945 (gendef): Call obstack_alloc_rtx.
947 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
949 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
952 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
954 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
955 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
956 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
958 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
960 * mips.md (return_internal): Change mode from SImode to VOIDmode.
962 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
964 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
967 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
969 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
970 suffix from operand 3.
972 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
973 Jeffrey A Law (law@cygnus.com)
975 * regmove.c: New implementation of regmove pass.
976 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
977 decls, make them have external linkage. Return a value from
979 * reload.h (count_occurrences): Add decl.
980 * reload1.c (count_occurrences): Delete decl, make it have external
982 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
984 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
986 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
987 if it is not defined.
989 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
991 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
992 * emit-rtl.c (gen_rtx): Move special code to ...
993 (gen_rtx_CONST_INT): New function.
994 (gen_rtx_REG): New function.
995 (*): Update all calls to gen_rtx.
996 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
997 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
998 (GEN_INT): Call gen_rtx_CONST_INT.
999 * gengenrtl.c: New file.
1001 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1003 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1004 (base_alias_check): If no base found for address call canon_rtx and
1007 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1009 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1010 arguments for mips16.
1011 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1012 Don't lose if tsize is zero after handling large stack for mips16.
1013 * mips.md (return): For trivial return, return address is in $31.
1015 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1017 * mips/mips16.S: Various changes to make it work with -msingle-float
1020 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1021 Ian Lance Taylor <ian@cygnus.com>
1022 Jeff Law <law@cygnus.com>
1024 * mips.c, mips.h, mips.md: First cut at merging in mips16
1025 support. Major modifications throughout all three files.
1027 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1029 * configure.in: Make gthr-default.h a forwarding header instead of
1032 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1034 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1036 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1038 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1039 Jeffrey A Law (law@cygnus.com)
1041 * crtstuff.c (__frame_dummy): New function for irix6.
1042 (__do_global_ctors): Call __frame_dummy for irix6.
1043 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1045 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1047 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1049 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1051 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1052 for __builtin_memset.
1053 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1054 not INTEGER_CST. Assert arg 3 is a constant.
1056 * alpha.c (mode_width_operand): Accept 64-bit modes.
1057 (mode_mask_operand): Likewise.
1058 (print_operand): Likewise for 'M' and 'U' codes.
1059 (alpha_expand_unaligned_load): New function.
1060 (alpha_expand_unaligned_store): Likewise.
1061 (alpha_expand_unaligned_load_words): Likewise.
1062 (alpha_expand_unaligned_store_words): Likewise.
1063 (alpha_expand_block_move): Likewise.
1064 (alpha_expand_block_clear): Likewise.
1065 * alpha.h (MOVE_RATIO): New define.
1066 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1067 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1069 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1070 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1072 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1074 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1075 * configure: Update.
1077 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1079 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1080 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1082 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1085 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1087 * configure.in: Set and subsitute host_exeext. Use it when creating
1088 the assembler and linker symlinks.
1089 * configure: Rebuild.
1090 * Makefile.in (exeext): Set to @host_exeext@.
1091 (build_exeext): New variable, set to @build_exeext@.
1092 (FLAGS_TO_PASS): Pass down build_exeext.
1093 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1096 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1098 * mn10200.md (addsi3, subsi3): Fix thinkos.
1100 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1102 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1103 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1104 unix always, since we want to be able to thunk to functions in a
1105 shared library from an application.
1107 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1109 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1110 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1112 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1114 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1115 offset's mode is not ptr_mode, convert it.
1117 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1119 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1120 compiling if it was already defined.
1122 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1124 * flow.c (find_basic_blocks): Don't create a new basic block
1125 for calls in a LIBCALL block.
1127 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1129 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1131 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1133 * cse.c (rtx_cost): Remove conflicting default case.
1135 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1137 * configure.in: Move default enabling of Haifa out of for loop.
1138 * configure: Rebuild.
1140 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1142 * version.c: Bump for snapshot.
1144 1997-12-25 Teemu Torma <tot@trema.com>
1146 * Makefile.in (GTHREAD_FLAGS): New var.
1147 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1148 (distclean): Remove gthr-default.h.
1150 * configure.in: Accept dce as a thread package.
1151 Check for thread.h and pthread.h.
1152 Link gthr-default.h to appropriate thread file and set
1154 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1155 include multilib definitions from pa/t-dce-thr.
1156 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1157 pthread.h is found, preferring posix threads over solaris ones.
1159 * config/pa/t-dce-thr: New file.
1160 * config/pa/t-pa: Removed multilibs.
1161 * config/sparc/t-sol2: Ditto.
1164 * gthr-single.h: New file.
1165 * gthr-posix.h: New file.
1166 * gthr-solaris.h: New file.
1167 * gthr-dce.h: New file.
1168 * libgcc-thr.h: Removed.
1169 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1171 * frame.c: Include gthr.h instead of libgcc-thr.h.
1172 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1173 (eh_context_initialize): If __gthread_once fails, use static eh
1175 (eh_context_free): Call __gthread_key_dtor.
1177 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1179 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1181 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1183 * cse.c (max_insn_uid): New variable.
1184 (cse_around_loop): Use max_insn_uid.
1185 (cse_main): Set max_insn_uid.
1187 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1188 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1189 -mlong64, and -mgp{32,64} options.
1190 * mips.c (mips_abi): Change type to int.
1191 * mips.h (enum mips_abi_type): Delete.
1192 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1193 (mips_abi): Change type to int.
1195 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1197 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1198 optimization is now always enabled.
1200 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1203 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1205 (*_dependence): Call canon_rtx before base_alias_check.
1206 (init_alias_once): New function to precompute set of registers which
1207 can hold Pmode function arguments.
1209 * rtl.h: Declare init_alias_once.
1211 * toplev.c (compile_file): Call init_alias_once.
1213 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1215 * tree.c (restore_tree_status): Do not dereference a null pointer.
1217 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1219 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1220 RLIMIT_STACK. This maintains consistency with the recent, similar
1221 patch to cccp.c and toplev.c.
1223 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1225 * genattrtab.c (expand_units): For large nr opclasses, expand
1226 function_units_used with ORX to prevent blowups. Tag with FFS.
1227 (num_unit_opclasses): New variable.
1228 (gen_unit): Update it.
1229 (enum operator): Add ORX_OP.
1230 (operate_exp): Treat ORX as or, except don't expand across an if.
1231 Reuse number rtx's after operating on them.
1232 (check_attr_value): Accept IOR, AND, & FFS.
1233 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1234 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1235 (write_expr_attr_cache, write_toplevel_expr): New functions.
1236 (write_attr_get): Handle FFS-tagged expressions.
1237 (make_canonical): Don't expand const attributes.
1238 (convert_const_symbol_ref): Dike out.
1239 (evaluate_eq_attr): Handle SYMBOL_REF.
1240 (main): Don't emit get_attr_foo for const attributes.
1242 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1243 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1244 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1245 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1246 combining function units where possible.
1247 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1248 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1249 (attr "opsize"): New attribute.
1250 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1251 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1252 to control register allocation.
1253 (movsi2-1, movdi2-1): Likewise.
1255 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1257 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1258 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1259 Move OSF/1 specific defines out.
1260 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1261 Move Linux specific defines out.
1262 (LINK_SPEC): Genericize.
1263 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1264 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1265 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1266 (HANDLE_SYSV_PRAGMA): Define.
1267 * alpha/osf.h: New file.
1268 * alpha/linux.h: Split. Retain file-format independant defines.
1269 Import Linux bits from elf.h.
1270 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1271 (FUNCTION_PROFILER): _mcount takes its address in $28.
1272 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1273 * alpha/linux-ecoff.h: New file.
1274 * alpha/linux-elf.h: New file.
1275 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1276 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1277 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1278 Add new headers as appropriate.
1280 * configure.in (alpha*): Enable Haifa by default.
1281 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1282 * configure: Rebuild.
1284 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1286 * Makefile.in (clean): Remove the stages with their objects here ...
1287 (distclean): ... instead of here.
1289 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1291 * cse.c (rtx_cost): Add default case in enumeration switch.
1292 * fix-header.c (recognized_macro): Likewise.
1293 (recognized_extern): Likewise.
1294 (write_rbrac): Likewise.
1295 * objc/objc-act.c (encode_aggregate): Likewise.
1296 (gen_declarator): Likewise.
1297 (gen_declspecs): Likewise.
1299 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1301 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1302 case where we kill more regs after sched than were killed before
1304 * sched.c (create_reg_dead_note): Similarly.
1306 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1308 * c-pragma.c: Include flags.h.
1310 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1312 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1313 about system headers.
1314 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1315 and also to resolve symbols in prefix.c.
1317 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1318 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1319 when the definitions in auto-config.h is not visible.
1320 (HAVE_BZERO): Likewise.
1321 (HAVE_BCMP): Likewise.
1322 (HAVE_RINDEX): Likewise.
1323 (HAVE_INDEX): Likewise.
1325 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1327 * pa.c (emit_move_sequence): Handle a function label source
1330 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1332 * c-pragma.c (handle_pragma_token): Generate warning messages
1333 about unknown pragmas if warn_unknown_pragmas is set.
1335 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1336 line option to set variable: warn_unknown_pragmas.
1338 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1340 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1342 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1344 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1346 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1347 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1348 generate more fine grained floating point emulation libraries.
1349 * config/fp-bit.c: Add protecting #ifdef to all functions so
1350 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1351 then compile all suitable functions.
1352 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1353 underscores to avoid namespace pollution.
1354 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1356 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1360 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1361 Jeff Law <law@cygnus.com>
1363 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1365 * c-decl.c (finish_decl): Use parentheses around && within ||.
1366 * rtl.c: Include stdlib.h.
1367 (read_skip_spaces): Add parentheses around assignments used as
1369 (read_rtx): Initialize list_rtx.
1370 * cppexp.c (parse_number): Use || when operands are truth values.
1371 * alias.c (find_base_value): Add default case.
1372 (memrefs_conflict): Likewise.
1373 * combine.c (sets_function_arg_p): Likewise.
1374 * genemit.c (gen_exp): Likewise.
1375 * local-alloc.c (contains_replace_regs): Likewise.
1376 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1377 * fold-const.c (fold_convert): Use "&&" for truth values.
1378 (fold): Add default case.
1379 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1380 (sdbout_one_type): Add default case.
1381 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1382 (some_operand): Add default case.
1383 (input_operand): Likewise.
1384 (signed_comparison_operator): Likewise.
1385 (divmod_operator): Likewise.
1386 (alpha_set_memflags_1): Likewise.
1387 * reload1.c (reload_cse_simplify_operands): Ensure function
1388 always returns a value.
1389 * scan-decls.c (scan_decls): Likewise.
1390 * c-lex.c (skip_white_space): Fix typo in declaraion.
1391 * c-typeck.c (comp_target_types): Add parentheses around assignment
1392 used as truth value.
1393 (print_spelling): Likewise.
1394 (constructor_implicit, constructor_result): Remove unused variables.
1395 * collect2.c (scan_library): Protect prototype with
1396 #ifdef SCAN_LIBRARIES.
1397 * emit-rtl.c (find_line_note): Fix typo in declaration.
1398 * final.c (asm_insn_count): Protect prototype with
1399 #ifdef HAVE_ATTR_length.
1400 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1401 (try_pre_increment_1, try_pre_increment): Likewise.
1402 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1403 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1404 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1405 unsigned/signed comparisons.
1406 * gcov.c (read_files): Remove unused "first_type" variable.
1407 (scan _for_source_files): Initialize s_ptr.
1408 (function_summary): Eliminate "%lf" formatting, use %ld for
1410 (output_data): Initialize branch_probs and last_line_num.
1411 Eliminate "%lf" formatting, use "%ld" for longs.
1413 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1415 * mips16.S: New file.
1417 * libgcc2.c (varargs): Handle mips16.
1419 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1421 * stmt.c (expand_end_case): Likewise.
1422 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1423 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1424 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1426 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1428 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1429 the build directory.
1430 (libobjc.a): Update dependency list.
1431 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1433 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1434 (objc.mostlyclean): Remove runtime-info.h.
1436 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1438 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1439 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1440 * dwarf2out.c (add_subscript_info): Likewise.
1441 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1442 * sdbout.c (plain_type_1): Likewise.
1443 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1445 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1448 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1450 * mips.c (fatal): Remove declaration.
1452 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1454 * integrate.c (get_label_from_map): New function.
1455 (expand_inline_function): Use it. Initialize the label_map to
1456 NULL_RTX instead of gen_label_rtx.
1457 (copy_rtx_and_substitute): Use get_label_from_map.
1458 * integrate.h (get_label_from_map): New function.
1459 (set_label_from_map): New macro.
1460 * unroll.c (unroll_loop): Use them.
1461 (copy_loop_body): Ditto.
1463 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1465 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1466 (INIT_TARGET_OPTABS): Define.
1467 * mips/ecoff.h: Include gofast.h before mips.h.
1468 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1469 * mips/elf64.h: Likewise.
1470 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1472 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1474 * except.c: Remove register_exception_table{,_p}.
1476 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1478 * unroll.c (calculate_giv_inc): Handle constant increment found in
1479 a MEM with an appropriate REG_EQUAL note.
1481 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1483 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1484 frame pointer in the prologue.
1486 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1488 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1489 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1491 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1493 * config/m68k/m68k.c (output_function_prologue): Typecast
1494 dwarf2out_cfi_label to (char *).
1495 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1497 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1499 * sparc.md (jump): Don't use the annul bit around an empty loop.
1500 Patch from Kevin.Kelly@East.Sun.COM.
1502 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1504 * jump.c: (jump_optimize): Don't use the return register as a
1505 source1 of a conditional move.
1507 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1509 * sparc.c (DF_MODES): Or the mask not the bit number.
1510 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1512 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1514 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1516 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1518 * fixincludes (size_t): Add support for Motorola's stdlib.h
1519 which fails to provide a definition for size_t.
1520 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1521 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1522 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1524 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1525 prevent unresolved externals in libio.
1526 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1528 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1530 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1531 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1532 (LIB_SPEC): Updated for glibc 2.
1534 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1536 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1537 * ginclude/varargs.h: Likewise.
1539 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1541 * version.c: Bump for snapshot.
1543 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1545 * frame.h (__register_frame, __register_frame_table,
1546 __deregister_frame): New.
1547 * frame.c (__register_frame, __register_frame_table,
1548 __deregister_frame): New.
1549 * frame.c (__deregister_frame_info): Return void *.
1550 * frame.h (__deregister_frame_info): Ditto.
1551 * collect2.c (__deregister_frame_info): Ditto.
1553 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1555 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1557 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1559 * alpha.c (alpha_cpu_name): New variable.
1560 (alpha_mlat_string): Likewise.
1561 (alpha_memory_latency): Likewise.
1562 (override_options): Handle -mmemory-latency.
1563 (alpha_adjust_cost): Adjust load cost for latency.
1564 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1565 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1566 TARGET_CIX into account.
1567 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1568 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1570 * alpha.h (ASM_COMMENT_START): New macro.
1572 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1574 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1575 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1577 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1578 SUBREG_REG if the word count is unchanged.
1579 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1580 subregs of identical word size for push_reload.
1582 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1584 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1585 if all we're doing is dealing with -Wreturn-type.
1587 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1589 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1590 Use and 255 instead of zapnot 1, since it schedules better.
1592 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1594 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1597 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1599 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1600 dependency we delete. Properly update prev for multiple consecutive
1602 (priority): Skip deleted dependence.
1604 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1606 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1608 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1610 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1611 determining when a new basic block starts.
1613 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1615 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1616 * pa.md (iorsi3): Add missing args to *_operand calls.
1618 * except.c (call_get_eh_context): Don't mess with sequences.
1619 (emit_eh_context): Include the call in the sequence here.
1621 1997-12-11 Paul Eggert <eggert@twinsun.com>
1623 * collect2.c (write_c_file_glob): Allocate initial frame object
1624 in static storage and pass its address.
1626 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1628 * except.c (call_get_eh_context): Don't take a parm.
1629 Put the call at the top of the function.
1630 (emit_eh_context): Adjust.
1631 (get_eh_context): Replace with former use_eh_context.
1632 (get_eh_context_once, get_saved_pc_ref): Remove.
1633 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1635 * integrate.c (expand_inline_function): Adjust.
1636 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1638 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1640 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1641 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1643 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1645 * fixincludes (strlen,strspn,strcspn return value): Handle different
1647 (hypot): Provide a fake for hypot which is broken on
1648 m88k-motorola-sysv3.
1650 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1652 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1653 tree_code_name from pointers to arrays.
1654 * tree.c: Remove standard_tree_code_* variables, no longer used.
1655 * print-tree.c: Remove declaration of tree_code_name.
1657 * cp/lex.c (init_lex): Update for tree_code_* changes.
1658 * objc/objc-act.c (init_objc): Likewise.
1660 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1663 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1665 * config.sub: Add support for BeOS target.
1666 * configure.in: Likewise.
1667 * ginclude/stdarg.h: Likewise.
1668 * ginclude/stddef.h: Likewise.
1669 * ginclude/varargs.h: Likewise.
1670 * rs6000/beos.h: New file for BeOS.
1671 * rs6000/t-beos: Likewise.
1672 * rs6000/x-beos: Likewise.
1673 * rs6000/xm-beos.h: Likewise.
1674 * toplev.c (get_run_time): Just return 0 on BeOS.
1676 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1677 Toon Moene (toon@moene.indiv.nluug.nl)
1679 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1680 old and broken Sun3 assemblers. Newer versions handle large
1681 offsets correctly as does the GNU assembler.
1683 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1685 * objc/objc-act.c (lang_report_error_function): Disable.
1686 * objc/objc-parse.y: Include "output.h".
1687 (yyerror): Remove redundant decl.
1688 (yyprint): Fix prototype.
1689 (apply_args_register_offset): Remove redundant decl.
1690 (get_file_function_name): Likewise.
1692 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1694 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1696 (find_basic_blocks_1): Likewise.
1698 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1700 * except.c (use_eh_context): Don't copy_rtx a REG.
1701 (emit_throw): Lose old unwinder support.
1702 (expand_internal_throw): Likewise.
1703 * libgcc2.c (struct eh_context): Likewise.
1704 (new_eh_context): Likewise.
1705 (__get_eh_info): Lose redundant cast.
1706 (__get_dynamic_handler_chain): Likewise.
1707 (__get_saved_pc): Lose.
1708 Lose all old unwinder support code.
1710 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1712 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1714 * integrate.c (expand_inline_function): If the inline fn uses eh
1715 context, make sure that the current fn has one.
1716 * toplev.c (rest_of_compilation): Call emit_eh_context.
1717 * except.c (use_eh_context): New fn.
1718 (get_eh_context_once): New fn.
1719 (call_get_eh_context): New fn.
1720 (emit_eh_context): New fn.
1721 (get_eh_context): Call either get_eh_context_once or
1722 call_get_eh_context, depending on what we have.
1723 (get_dynamic_handler_chain): Call get_eh_context_once.
1724 * except.h: Prototypes for fns above.
1725 * optabs.c (get_eh_context_libfunc): Removed.
1726 (init_optabs): Don't initialize it.
1727 * expr.h (get_eh_context_libfunc): Removed.
1728 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1729 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1730 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1731 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1732 New multilib for -threads.
1733 * config/sparc/t-sol2: Added multilibs for -threads and
1734 made -pthreads alias to it.
1735 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1736 Added -threads and -pthreads options.
1737 * libgcc-thr.h: New file.
1738 * libgcc2.c: (__get_cpp_eh_context): Removed.
1739 (struct cpp_eh_context): Removed.
1740 (struct eh_context): Replaced cpp_eh_context with generic language
1742 (__get_eh_info): New function.
1743 (__throw): Check eh_context::info.
1745 * libgcc2.c: Include libgcc-thr.h.
1746 (new_eh_context, __get_eh_context,
1747 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1748 eh_context_specific, eh_context_free): New functions.
1749 (get_eh_context, eh_context_key): New variables.
1750 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1751 get_eh_context to get the context.
1752 (longjmp): Move the declaration inside
1753 #ifdef DONT_USE_BUILTIN_SETJMP.
1754 * frame.c: Include libgcc-thr.h.
1755 (object_mutex): Mutex to protect the object list.
1756 (find_fde, __register_frame, __register_frame_table,
1757 __deregister_frame): Hold the lock while accessing objects.
1758 * except.h (get_eh_context): Declare.
1759 * except.c (current_function_ehc): Define.
1760 (current_function_dhc, current_function_dcc): Removed.
1761 (get_eh_context): New function.
1762 (get_dynamic_handler_chain): Use get_eh_context.
1763 (get_saved_pc_ref): Ditto.
1764 (get_dynamic_cleanup_chain): Removed references to
1765 current_function_dcc.
1766 (save_eh_status, restore_eh_status): Save and restore
1767 current_function_ehc instead.
1768 * optabs.c (get_eh_context_libfunc): New variable.
1769 (init_optabs): Initialize it.
1770 * expr.h: Declare get_eh_context_libfunc.
1771 * function.h (struct function): Replaced dhc and dcc with ehc.
1772 * except.c (get_saved_pc_ref): New functions.
1773 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1774 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1776 (end_eh_unwinder): Likewise.
1777 (init_eh): Remove initialization of eh_saved_pc.
1778 * optabs.c (get_saved_pc_libfunc): New variable.
1779 (init_optabs): Initialize it.
1780 * expr.h: Declare get_saved_pc_libfunc.
1781 * except.h (eh_saved_pc_rtx): Deleted.
1782 (get_saved_pc_ref): Declared.
1784 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1785 * libgcc2.c (__get_saved_pc): New.
1786 (__eh_type, __eh_pc): Deleted.
1787 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1788 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1791 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1793 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1794 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1797 * rtl.h (global_rtl): New variable, replacing separate variables for
1799 (const_int_rtx): Now array of rtx_def, not rtx.
1800 * emit-rtl.c: Update for new rtl data structures.
1801 * genattrtab.c: Define global_rtl.
1803 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1805 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1808 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1810 * crtstuff.c (__do_global_ctors): Fix typo.
1812 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1814 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1815 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1817 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1819 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1820 * rs6000.c (function_arg_padding): New function.
1822 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1824 * m68k.c: Include tree.h only once.
1826 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1828 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1830 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1832 * Partially cleaned up prototyping code from HJ.
1833 * tree.h: Add many prototypes.
1834 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1835 All references changed.
1836 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1838 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1840 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1841 string functions like strlen.
1843 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1845 * configure.in: Check for functions getrlimit and setrlimit.
1846 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1847 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1849 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1851 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1853 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1855 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1858 * alpha.c (override_options): Don't know about scheduling for EV6.
1859 * alpha.md (ev5 function units): Don't overload as ev6.
1861 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1862 * alpha.md (define_attr type): Add mvi.
1863 (ev5_e0): Define sceduling parameters for it.
1864 (TARGET_MAX insns): Type is mvi not shift.
1866 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1868 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1870 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1872 * cstamp-h, auto-config.h: Delete.
1874 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1876 * version.c: Bump for snapshot.
1878 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1880 * cccp.c: Fix typo brought over in merge.
1882 * Merge in changes from gcc-2.8.
1884 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1886 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1888 * gcc.c (process_command): Do not take address of function fatal when
1889 calling lang_specific_driver.
1891 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1893 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1894 doesn't work with it yet, so set it to 0.
1895 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1897 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1899 * cse.c (cse_insn): Check for invalid entries when taking references.
1901 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1903 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1904 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1905 * toplev.c (rest_of_compilation): Pass it. Remove code to
1906 save / clear / restore flag_unroll_{,all_}loops.
1908 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1910 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1912 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1914 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1916 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1918 * except.c (get_dynamic_handler_chain): Only make the call once per
1921 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1923 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1925 * sh.c (final_prescan_insn): Use local label prefix
1926 when emitting .uses pseudo-ops.
1928 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1930 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1931 * except.c: Lose outer_context_label_stack.
1932 (expand_eh_region_end): Rethrow from outer_context here.
1933 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1934 (expand_internal_throw): Take no args.
1935 (expand_internal_throw_indirect): Lose.
1936 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1937 (expand_start_all_catch): Start a rethrow region.
1938 (expand_end_all_catch): End it.
1939 (expand_rethrow): New fn.
1940 * except.h: Reflect above changes.
1941 * flow.c: Revert change of Nov 27.
1943 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1945 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1947 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1949 * except.c (expand_fixup_region_end): New fn.
1950 (expand_fixup_region_start): Likewise.
1951 (expand_eh_region_start_tree): Store cleanup into finalization here.
1952 * stmt.c (expand_cleanups): Use them to protect fixups.
1954 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1956 * mips/mips.md (muldi3_r4000): Broaden the output template
1957 and attribute assignments to handle three operand dmult;
1958 rename to muldi3_internal2.
1959 (muldi3): Call the new muldi3_internal2 for R4000, and
1960 any GENERATE_MULT3 chip.
1962 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1964 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1966 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1968 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1969 with a dest_reg that was created by loop.
1971 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1973 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1975 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1977 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1979 * configure.in: Fix NCR entries.
1981 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1983 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1984 nested exceptions correctly.
1986 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1987 that was created by loop.
1989 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1991 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1993 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1995 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1997 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1998 (print_operand): Use SMALL_DATA_REG for the register involved in
1999 small data relocations.
2000 (print_operand_address): Ditto.
2002 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2003 -dynamic linker is not used.
2005 * rs6000.md (call insns): For local calls, use @local suffix under
2006 System V. Don't use @plt under Solaris.
2008 * rs6000.c (output_function_profiler): Put label address in r0, and
2009 store LR in 4(sp) for System V/eabi.
2011 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2012 byte boundary, and maintain stack backchain.
2014 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2016 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2017 fix_truncsfdi2): Change *.
2019 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2021 * toplev.c (main): Complain about -gdwarfn.
2023 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2025 * dwarfout.c (output_type): If finalizing, write out nested types
2026 of types we've already written.
2028 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2030 (patches originally from Geoffrey Keating)
2031 * rs6000.c (function_arg): Excess floating point arguments don't
2032 go into GPR registers after exhausting FP registers under the
2034 (function_arg_partial_nregs): Ditto.
2036 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2039 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2041 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2043 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2045 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2048 * libgcc2.c (__throw): Initialize HANDLER.
2050 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2052 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2053 fix_truncsfdi2): Change *X to ?*X.
2055 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2057 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2059 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2061 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2063 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2065 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2067 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2069 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2070 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2073 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2075 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2076 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2077 gas and not using the new HP assembler.
2079 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2081 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2082 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2084 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2086 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2087 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2090 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2092 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2094 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2096 * except.h: Add outer_context_label_stack.
2097 * except.c: Likewise.
2098 (expand_start_all_catch): Push the outer_context for the try block
2099 onto outer_context_label_stack.
2100 (expand_end_all_catch): Use it and pop it.
2102 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2104 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2106 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2108 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2110 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2112 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2113 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2115 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2117 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2118 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2119 __builtin_delete, and __builtin_vec_delete.
2121 * except.c (output_exception_table): Don't bother with
2124 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2126 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2127 is an in/out operand.
2128 (zero extended variants of stwm/stwm patterns): Similarly.
2130 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2132 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2134 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2136 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2137 (output_call_frame_info): Emit a \n after using it.
2139 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2141 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2143 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2145 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2146 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2147 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2149 (output_call_frame_info): Do not output forward label differences
2150 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2151 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2153 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2155 * sh.md (attribute "type"): Add nil.
2156 (movsi_ie): y/y alternative is type nil.
2157 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2159 (movsf_ie+1): Delete.
2161 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2163 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2164 large_int, emit two insns instead of one splitable insn.
2165 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2166 from cfa_temp_value, use cfa_offset. Add assert checking that
2169 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2171 * cccp.c (deps_output): Properly quote file names for make.
2173 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2175 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2177 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2179 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2181 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2183 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2185 (cse_end_of_basic_block): Similarly.
2187 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2189 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2190 (SELECT_RTX_SECTION): Define.
2191 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2193 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2195 * Makefile.in (compare, compare-lean): Define $stage for each
2197 (gnucompare, gnucompare-lean): Likewise.
2199 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2201 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2203 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2204 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2206 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2208 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2209 and add case to handle STRING_TYPE.
2210 * dwarfout.c (output_string_type_die): Fix code to generate
2211 correct string length attribute for fixed length strings.
2212 Still needs support for varying length strings.
2214 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2216 * toplev.c (get_run_time): Do something sensible for cygwin32.
2218 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2220 * expr.c (expand_builtin_setjmp): Set
2221 current_function_has_nonlocal_label.
2222 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2223 call-saved registers across calls.
2225 * alpha.md (exception_receiver): Remove.
2226 (nonlocal_goto_receiver_osf): New
2227 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2228 (nonlocal_goto_receiver): New, select _osf or _vms.
2230 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2231 keep them from being propogated to the object file.
2232 (alpha_write_linkage): Likewise.
2233 * alpha.md (call_vms): Likewise.
2234 (call_value_vms): Likewise.
2235 (unnamed osf call insns): Likewise.
2237 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2238 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2240 * alpha.c (call_operand): Any reg is valid for WinNT.
2241 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2242 (anon nt calls): Add 'R' alternative.
2243 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2244 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2246 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2248 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2250 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2251 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2252 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2254 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2256 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2257 spill error message.
2259 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2261 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2262 use varargs.h. Wrap header with <>, not "".
2264 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2266 * integrate.c (save_for_inline_copying): Add return value from
2269 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2271 * fixincludes: Be a little more restrictive on what we will
2272 substitute to replace definitions of MAXINT for HPUX.
2274 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2276 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2277 whose address is the stack or argument pointers are indirect
2280 1997-11-13 Paul Eggert <eggert@twinsun.com>
2282 * cccp.c, cpplib.c (compare_defs):
2283 Don't complain about arg name respellings unless pedantic.
2284 * cpplib.c (compare_defs): Accept pfile as new arg.
2285 All callers changed.
2287 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2289 * fold-const.c (fold_truthop): Fix bug in last change.
2291 1997-11-13 Paul Eggert <eggert@twinsun.com>
2293 Fix some confusion with IEEE minus zero.
2295 * real.h (REAL_VALUES_IDENTICAL): New macro.
2297 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2298 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2300 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2301 same tree structure as 0.0.
2303 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2304 macro instead of doing it by hand.
2306 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2308 * v850/lib1funcs.asm: Minor whitespace changes.
2309 * v850.c: Fix minor formatting problems in many places.
2310 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2312 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2314 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2315 xplus1 when xplus0 is not a register.
2317 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2319 * flow.c (find_basic_blocks): During marking phase, if we encounter
2320 an insn with a REG_LABEL note, make the target block live and
2321 create an edge from the insn to the target block. Do not make
2322 edges from all blocks to the target block.
2324 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2326 * confiugre.in: Tweak NCR entries.
2327 * configure: Rebuilt.
2329 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2331 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2332 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2333 and CONST_DOUBLE_HIGH.
2335 * rs6000.md (define_splits for DF constants): Use the appropriate
2336 REAL_VALUE_* interface to pick apart DF floating point constants in
2337 a machine independent fashion.
2339 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2341 * fold-const.c (fold_truthop): When changing a one-bit comparison
2342 against zero into a comparison against mask, do a proper sign
2345 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2347 * except.c: Do not include "assert.h".
2348 (save_eh_status): Turn asserts into conditional aborts.
2349 (restore_eh_status, scan_region): Likewise.
2350 * dwarfout.c: Do not include "assert.h".
2351 (bit_offset_attribute): Turn asserts into conditional aborts.
2352 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2353 (output_inlined_structure_type_die): Likewise.
2354 (output_inlined_union_type_die): Likewise
2355 (output_tagged_type_instantiation): Likewise.
2356 (dwarfout_file_scope_decl): Likewise.
2357 * dwarf2out.c: Do not include "assert.h"
2358 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2359 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2360 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2361 (add_bit_size_attribute, scope_die_for): Likewise.
2362 (output_pending_types_for_scope): Likewise.
2363 (get_inlined_enumeration_type_die): Likewise.
2364 (get_inlined_structure_type_die): Likewise.
2365 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2366 (gen_tagged_type_instantiation_die): Likewise.
2368 * flow.c (find_basic_blocks): Refine further to get a more correct
2369 cfg, especially in the presense of exception handling, computed
2370 gotos, and other non-trivial cases. Call abort if an inaccuracy
2371 is detected in the cfg.
2373 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2375 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2377 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2378 (skip_white_space): Use whitespace_cr.
2379 (check_newline): Handle whitespace more consistently.
2381 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2383 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2384 * i386/xm-cygwin32.h (POSIX): Define.
2386 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2388 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2389 is available elsewhere.
2391 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2393 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2394 what the instruction can handle.
2396 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2398 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2400 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2402 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2404 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2405 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2407 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2409 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2410 swap instruction order.
2412 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2414 * fixinc.svr4 (__STDC__): Add another case.
2416 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2418 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2419 addresses in the epilogue delay slot.
2421 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2423 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2424 in generated `specs' file.
2426 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2428 * flags.h (flag_rerun_loop_opt): Declare.
2429 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2430 * toplev.c (flag_rerum_loop_opt): Delete static.
2432 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2434 Bring over from FSF:
2436 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2438 * va-sh.h (__va_arg_sh1): Define.
2440 SH3E doesn't use any integer registers for subsequent arguments
2441 once a non-float value was passed in the stack.
2442 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2443 alignment in front label for ADDR_DIFF_VEC.
2444 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2445 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2447 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2449 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2452 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2454 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2455 put an use_sfunc_addr before each sfunc.
2456 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2457 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2459 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2461 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2463 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2465 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2468 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2470 * alias.c (find_base_value): Only return the known base value for
2473 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2475 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2476 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2478 (prologue_get_pc_and_set_got): New pattern.
2480 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2482 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2483 for SUBREG, just fall through.
2485 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2487 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2489 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2491 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2493 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2494 (USE_HOST_ALLOCA): Likewise.
2496 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2497 and LABEL_REFS fields.
2498 * rtl.h (LABEL_REFS): Update.
2500 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2502 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2503 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2504 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2507 * mips.md (insv, extzv, extv): Add change_address call.
2508 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2510 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2512 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2514 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2515 save_restore_insns if no FP and GP will be restored.
2517 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2518 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2520 * acconfig.h (HAVE_INTTYPES_H): Undef.
2521 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2522 and inttypes.h, and verify that intmax_t is defined.
2523 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2524 * config/mips/x-iris3: Likewise.
2526 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2528 * alias.c (find_base_value): When copying arguments, return the
2529 tenative value for a hard register.
2531 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2533 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2534 (yylex): Record wide strings using target endianness, not host.
2536 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2538 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2539 (ASM_OUTPUT_ALIGNED_BSS): New macro
2540 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2541 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2542 * v850.h (ASM_OUTPUT_BSS): Delete.
2543 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2545 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2547 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2549 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2551 * configure.in (sco5): Use cpio to install header files.
2553 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2555 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2557 * configure: Rebuild.
2559 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2561 * i386/sco5.h: enable -gstabs once again.
2563 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2565 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2567 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2569 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2570 notes for sjlj exceptions too.
2571 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2572 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2573 * final.c (final_scan_insn): Don't output labels for EH REGION
2574 notes if doing sjlj exceptions.
2576 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2578 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2579 optimizing correctly.
2581 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2582 or set current_function_calls_setjmp anymore.
2584 * flow.c (find_basic_blocks): If we delete the label for an
2585 exception handler, remove it from the EH label list and remove
2586 the EH_BEGIN/EH_END notes for that EH region.
2588 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2590 * flow.c (find_basic_blocks): Generate correct flow control
2591 information when exception handling notes are present.
2593 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2595 * dwarf2out.c (output_call_frame_info): Fix length argument
2596 to ASM_OUTPUT_ASCII.
2597 (output_die, output_pubnames, output_line_info): Likewise.
2599 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2601 * version.c: Bump for snapshot.
2603 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2604 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2605 flag_debug_asm is on.
2606 (output_die, output_pubnames, output_line_info): Likewise.
2608 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2609 and static_chain_rtx into the potential base values array if
2612 * alias.c (new_reg_base_value): New array of potential base values.
2613 (unique_id): Now file scoped static.
2614 (find_base_value, case REG): Return the value in reg_base_value
2615 array for the REG if it exists. Else, return the value from
2616 new_reg_base_value if copying args and REG is a hard register.
2617 (find_base_value, case PLUS): If either operand of the PLUS is
2618 a REG, try to get its base value. Handle base + index and
2620 (record_set): Use new_reg_base_value instead of reg_base_value.
2621 (init_alias_analysis): Allocate space for new_reg_base_value too.
2622 Rework code to iterate over the insns propagating base value
2623 information until nothing changes.
2625 * global.c (global_alloc): Free the conflict matrix after
2626 reload has finished.
2628 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2630 * libgcc2.c (L_eh): Define __eh_pc.
2631 Replace __eh_type with generic pointer __eh_info.
2633 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2635 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2636 use copy_to_reg if address is not a general_operand.
2638 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2640 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2641 for the duration of the call to rest_of_compilation.
2643 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2645 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2647 (sparc*-*-*): Recognize --with-cpu=v9.
2648 * sparc/elf.h: New file.
2649 * sparc/t-elf: New file.
2651 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2653 * mn10300.c (const_8bit_operand): New function.
2654 (mask_ok_for_mem_btst): New funtion.
2655 * mn10300.md (btst patterns with mem operands): Use new functions
2656 to avoid creating btst instructions with invalid operands.
2658 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2660 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2661 are running on PowerPC Linux.
2663 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2665 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2666 if not previously defined.
2668 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2670 * function.c (assign_parms): Correct mode of stack_parm if
2671 entry_parm underwent a mode conversion.
2673 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2675 * global.c (global_alloc): Use xmalloc instead of alloca for
2676 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2677 than 2.5Mb sometimes.
2679 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2681 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2682 DEST for the spill, adjust mode of SRC to compensate.
2684 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2686 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2687 since any_memory_operand() allows pseudos during reload.
2688 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2690 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2692 * m68k.md (btst patterns): Add 5200 support.
2694 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2696 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2697 optimizations, look inside dividend to determine if the expression
2698 can be simplified by using EXACT_DIV_EXPR.
2700 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2703 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2705 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2707 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2709 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2711 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2714 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2716 * alpha.md (movqi, movhi): Make sure new insns created during reload
2717 won't need reloading themselves.
2718 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2720 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2722 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2724 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2726 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2727 Patch from Klaus Kaempf <kkaempf@progis.de>.
2729 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2731 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2732 to an element in a constant string.
2734 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2736 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2737 bit PC-relative offset. The exception range table pointer is now in
2739 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2740 (count_fdes, add_fdes, get_cie): Adjust.
2741 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2744 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2746 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2748 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2749 like stack_pointer_rtx.
2751 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2753 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2754 targets using "$@" to provide support for similar but not identical
2755 targets without having to duplicate code.
2756 (bootstrap4): New goal.
2758 * Makefile.in (compare, compare-lean, compare3): Combined to one
2759 ruleset determining actions to be performed via $@.
2760 (compare4, compare4-lean): New targets.
2761 (gnucompare, gnucompare3): Combined to one ruleset determining
2762 actions to be performed via $@. Also, note which files failed
2763 the comparison test in .bad_compare.
2764 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2766 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2768 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2769 if the dividend is a multiple of the divisor.
2771 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2773 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2775 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2778 * alias.c (true_dependence): Fix typo.
2780 * toplev.c (flag_rerun_loop_opt): New variable.
2781 (f_options): Handle -frerun-loop-opt.
2782 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2784 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2786 * loop.c (simplify_giv_expr): Adding two invariants results
2789 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2791 * expr.c (get_inner_reference): Remove the array bias after
2792 converting the index to Pmode.
2794 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2796 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2797 (TARGET_MULT_BUG): Define.
2798 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2799 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2801 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2803 * mn10200.c (indirect_memory_operand): Delete unused function.
2804 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2805 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2807 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2809 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2810 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2811 for more than scheduling.
2813 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2815 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2817 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2819 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2820 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2821 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2823 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2825 * version.c: Bump for snapshot.
2827 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2829 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2832 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2834 * toplev.c (flag_exceptions): Default value is 2.
2835 (compile_file): If flag_exceptions still has the value 2, then
2838 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2839 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2840 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2842 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2845 * rs6000.md (*movsi_got_internal_mem): New pattern.
2846 (*movsi_got_internal_mem splitter): New define_split.
2848 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2850 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2852 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2854 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2855 only need to save LR.
2857 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2859 * mn10300.md (movqi, movhi): Avoid using address registers as
2860 destinations unless absolutely necessary.
2862 * mn10200.c (expand_prologue): Fix typo.
2864 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2866 * mn10200.md (neghi2): Provide an alternative which works if
2867 the input and output register are the same.
2869 * mn10300.c (print_operand): Handle 'S'.
2870 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2871 shift amount in last alternative
2873 * mn10300.c (expand_epilogue): Rework to handle register restores
2874 in "ret" and "retf" instructions correctly.
2876 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2878 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2879 extzv for memory operands.
2881 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2882 redundant conditional moves to single operand.
2884 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2886 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2889 * xm-v850.h: Use __v850 rather than __v850__ to
2892 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2894 * mips/mips.c (compute_frame_size): Not a leaf function if
2897 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2899 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2901 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2903 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2904 (DEFAULT_ARCH32_P): New macro.
2905 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2906 (enum cmodel): Declare.
2907 (sparc_cmodel_string,sparc_cmodel): Declare.
2908 (SPARC_DEFAULT_CMODEL): Provide default.
2909 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2910 (TARGET_FULLANY): Deleted.
2911 (TARGET_CM_MEDMID): New macro.
2912 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2913 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2914 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2915 (CPP_SPEC): Rewrite.
2916 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2917 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2918 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2919 (ASM_SPEC): Add %(asm_arch).
2920 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2921 Rename asm_default to asm_cpu_default.
2922 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2923 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2924 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2925 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2926 (MASK_INT64,MASK_LONG64): Delete.
2927 (MASK_ARCH64): Renamed to MASK_64BIT.
2928 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2929 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2930 (TARGET_SWITCHES): Always provide 64 bit options.
2931 (ARCH64_SWITCHES): Delete.
2932 (TARGET_OPTIONS): New option -mcmodel=.
2933 (INT_TYPE_SIZE): Always 32.
2934 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2935 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2936 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2937 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2938 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2940 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2941 * sparc/linux.h: Likewise.
2942 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2943 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2944 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2945 (SPARC_DEFAULT_CMODEL): Define.
2946 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2947 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2948 (LONG_DOUBLE_TYPE_SIZE): Define.
2949 (ASM_SPEC): Add %(asm_arch).
2950 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2951 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2952 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2953 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2954 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2955 (SPARC_DEFAULT_CMODEL): Define.
2956 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2957 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2958 MASK_LONG64, MASK_MEDANY.
2959 (SPARC_DEFAULT_CMODEL): Define.
2960 (CPP_PREDEFINES): Delete.
2961 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2962 (ASM_SPEC): Add %(asm_arch).
2963 (LONG_DOUBLE_TYPE_SIZE): Define.
2964 (DWARF2_DEBUGGING_INFO): Define.
2965 * sparc/splet.h (CPP_SPEC): Delete.
2966 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2967 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2968 (BLOCK_PROFILER): Likewise.
2969 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2970 (sparc_override_options): Handle code model selection.
2971 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2972 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2973 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2974 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2975 (sethi_di_fullany): Delete.
2977 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2978 Jeff Law <law@cygnus.com>
2979 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2981 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2982 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2983 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2984 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2985 * alpha/alpha.md (arg_home): Likewise.
2987 * alpha/alpha.c (vmskrunch): Delete
2988 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2989 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2990 truncate to 64 characters.
2992 * make-l2.com: Support openVMS/Alpha.
2994 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2996 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2998 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3000 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3002 * i386/bsd386.h (ASM_COMMENT_START): Define.
3004 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3006 * tree.c (restore_tree_status): Also free up temporary storage
3007 when we finish a toplevel function.
3008 (dump_tree_statistics): Print stats for backend obstacks.
3010 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3012 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3014 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3016 * libgcc2.c (__throw): Don't copy the return address.
3017 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3019 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3020 * toplev.c (main): Initialize exceptions_via_longjmp.
3022 * tree.c: Add extra_inline_obstacks.
3023 (save_tree_status): Use it.
3024 (restore_tree_status): If this is a toplevel inline obstack and we
3025 didn't want to save anything on it, recycle it.
3026 (print_inline_obstack_statistics): New fn.
3027 * function.c (pop_function_context_from): Pass context to
3028 restore_tree_status.
3029 * obstack.h (obstack_empty_p): New macro.
3031 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3033 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3035 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3037 * v850.c (ep_memory_offset): New function.
3038 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3040 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3041 (CONSTANT_ADDRESS_P): Add comment.
3042 (EXTRA_CONSTRAINT): Define 'U'.
3043 * v850.md: Add comments on bit field instructions.
3044 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3045 (lshrsi3): Use N not J constraint.
3047 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3049 * v850.c (reg_or_0_operand): Call register_operand.
3050 (reg_or_int5_operand): Likewise.
3051 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3052 (TARGET_SWITCHES): Add "big-switch".
3053 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3054 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3055 (CASE_DROPS_THROUGH): Comment out.
3056 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3057 * v850.md (cmpsi): Delete compare mode.
3058 (casesi): New pattern.
3060 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3061 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3062 (lshrsi3): Likewise.
3064 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3065 unreachable switch statement after 'b' support. Remove "b" from
3066 strings for 'b' support.
3067 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3069 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3071 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3072 empty line if @inhibit_libc@ is empty.
3074 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3076 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3077 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3078 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3079 (DWARF2_UNWIND_INFO): Let this track object file format.
3080 (EXTRA_SECTIONS): Add in_eh.
3081 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3082 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3084 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3086 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3087 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3089 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3090 (output_double_int): Output DI mode values correctly when
3091 HOST_BITS_PER_WIDE_INT is 64.
3092 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3093 fmovd so it works if a quad float ends up in one of the upper 32
3095 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3096 necessary for PIC support on sparc64.
3098 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3100 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3101 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3102 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3103 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3104 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3105 (SPARC_FP_ARG_FIRST): New macro.
3106 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3107 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3108 (NPARM_REGS): There are 32 fp argument registers now.
3109 (FUNCTION_ARG_REGNO_P): Likewise.
3110 (FIRST_PARM_OFFSET): Update to new v9 abi.
3111 (REG_PARM_STACK_SPACE): Define for arch64.
3112 (enum sparc_arg_class): Delete.
3113 (sparc_arg_count,sparc_n_named_args): Delete.
3114 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3115 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3116 (FUNCTION_ARG_ADVANCE): Rewrite.
3117 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3118 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3119 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3120 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3121 (STRICT_ARGUMENT_NAMING): Define.
3122 (doublemove_string): Declare.
3123 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3124 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3125 (doublemove_string): New function.
3126 (output_move_quad): Clean up some of the arch64 support.
3127 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3128 Don't add 8 bytes of reserved space if arch64.
3129 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3130 (init_cumulative_args): New function.
3131 (function_arg_slotno): New static function.
3132 (function_arg,function_arg_partial_nregs): New functions.
3133 (function_arg_{pass_by_reference,advance}): New functions.
3134 (function_arg_padding): New function.
3135 * ginclude/va-sparc.h: Rewrite v9 support.
3137 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3139 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3140 for hard regs to determine base and index registers.
3142 * reload.c (debug_reload_to_stream): New function. Specify stream
3143 into which to write debug info.
3144 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3146 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3148 * combine.c (can_combine_p): Don't combine with an asm whose
3149 output is a hard register.
3151 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3153 * c-decl.c (start_struct): Ensure that structs with forward
3154 declarations are in fact packed when -fpack-struct is given.
3156 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3157 we are packing a structure. This allows a structure with only
3158 bytes to be aligned on a byte boundary and have no padding on a
3161 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3163 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3165 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3167 * alpha.c (alpha_return_addr_rtx): New variable.
3168 (alpha_save_machine_status): New; save it.
3169 (alpha_restore_machine_status): New; restore it.
3170 (alpha_init_expanders): New; clear it.
3171 (alpha_return_addr): New; set it.
3172 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3173 is overly conservative, so search the insns explicitly.
3174 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3175 (alpha_sa_size [VMS && !VMS]): Likewise.
3176 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3177 (INIT_EXPANDERS): New definition.
3179 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3180 (output_prolog [!VMS]): Use them.
3182 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3183 (alpha_does_function_need_gp): ... a new function. Refine the
3184 CALL_INSN test to just TYPE_JSR.
3185 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3187 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3189 * version.c: Bump for snapshot.
3191 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3193 * pa.c (move_operand): Respect -mdisable-indexing.
3194 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3196 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3198 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3200 (umulsidi3,umulsi3_highpart): Ditto.
3201 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3203 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3205 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3206 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3207 function in one go. Emit RTL for trapb, instead of printf directly.
3208 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3209 (trap_pending): Kill global variable.
3210 (output_epilog): Don't call final_prescan_insn.
3211 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3212 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3213 (MACHINE_DEPENENT_REORG): Define.
3214 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3217 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3219 Tune Haifa scheduler for Alpha:
3220 * alpha.h (ISSUE_RATE): Define.
3221 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3222 EV4 adjustments to EV5.
3223 * alpha.md: Remove all scaling from function unit delays. Rework
3224 EV5 function units to match the CPU.
3225 (umuldi3_highpart): EV5 added the IMULH insn class.
3227 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3229 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3232 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3234 * cplus-dem.c (demangle_signature): Don't look for return types on
3235 constructors. Handle member template constructors.
3237 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3239 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3240 * tree.h: Declare them.
3242 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3244 * configure.in: Handle --with-newlib.
3245 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3247 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3249 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3251 * config/ptx4.h: Fix typo.
3253 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3255 * version.c: Bump for snapshot.
3257 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3259 * aclocal.m4: Substitute INSTALL.
3260 * configure: Re-built.
3262 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3264 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3266 (expand_inline_function): Likewise.
3268 * dwarf2out.c (output_call_frame_info): Reinstate last change
3269 using flag_debug_asm check instead of flag_verbose_asm.
3271 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3273 * dwarf2out.c (output_call_frame_info): Remove last change.
3275 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3277 * frame.c (__frame_state_for): Execute the FDE insns until the
3278 current pc value is strictly bigger than the target pc value.
3280 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3282 * regclass.c (init_reg_modes): If we can't find a mode for the
3283 register, use the previous one.
3285 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3287 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3288 don't sprintf through an alloca'ed buffer.
3290 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3292 * reload.c (decompose): Always initialize val.base.
3294 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3296 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3297 instead of aborting.
3298 * dwarf2out.c (output_call_frame_info): Call app_enable and
3299 app_disable to let GNU as accept the generated comments.
3301 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3303 * tree.h (get_file_function_name): Add declaration.
3304 * dwarf2out.c (output_call_frame_info): No need to cast
3305 get_file_function_name call anymore.
3306 * profile.c (toplevel): Remove get_file_function_name
3308 * c-lang.c (finish_file): Ditto.
3310 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3312 * Makefile.in (program_transform_name): Let autoconf substitute
3315 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3317 * haifa-sched.c (schedule_block): If the first real insn in a
3318 block has any special notes attached to it, remove them.
3320 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3322 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3324 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3326 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3328 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3330 * Makefile.in (check-g77): New test target.
3331 (CHECK-TARGETS): Add check-g77.
3333 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3335 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3337 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3339 * flow.c (print_rtl_with_bb): Cast alloca return value for
3342 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3344 * i386.h (RETURN_ADDR_RTX): New definition that works for
3345 __builtin_return_address(0) and -fomit-frame-pointer.
3347 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3349 Bring over from FSF.
3350 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3352 * mips.c (function_arg): Handle passing a struct
3353 containing a double in a DFmode register without the PARALLEL.
3355 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3357 * pexecute.c: Use spawn if __CYGWIN32__.
3359 * pexecute.c: Include "config.h" first, as per autoconf manual
3360 (from Paul Eggert <eggert@twinsun.com>).
3362 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3364 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3365 optimisation for f/expr.o and f/stb.o.
3367 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3369 * cse.c (this_insn_cc0_mode): Initialize.
3371 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3373 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3375 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3377 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3379 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3380 that pair will dual-issue on the 21164 and plus+beq won't.
3381 (bne): Likewise for cmpeq+beq.
3383 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3385 * except.c (find_exception_handler_labels): Correct argument to free.
3387 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3389 * except.c (find_exception_handler_labels): Free LABELS when we're
3392 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3394 * version.c: Bump for snapshot.
3396 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3398 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3401 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3403 * configure.in: Substitute for "install" too.
3404 * configure: Rebuilt.
3406 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3408 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3410 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3412 * alias.c (base_alias_check): Two symbols can conflict if they
3413 are accessed via AND.
3414 (memrefs_conflict_p): Likewise.
3416 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3417 after flushing argument registers to the stack.
3419 * Makefile.in (mostlyclean): Remove .regmove files.
3421 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3423 * libgcc2.c (__throw): Fix thinko.
3425 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3427 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3428 template-function mangling.
3429 (consume_count_with_underscores): New function.
3430 (demangle_signature): Handle new name-mangling scheme.
3432 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3434 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3437 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3439 * frame.c: Remove last change.
3440 * dwarf2.h: Remove last change.
3441 * tree.h: Add declarations of DWARF2 unwind info support
3444 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3446 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3447 * tree.h (built_in_function): Likewise.
3448 * expr.c (expand_builtin): Likewise.
3449 * except.h: Likewise.
3450 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3451 * libgcc2.c (copy_reg): New fn.
3454 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3456 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3457 unsigned if -W is specified and -Wno-sign-compare is not.
3458 * c-decl.c (warn_sign_compare): Initialize to -1.
3459 (c_decode_option): -Wall no longer implies -Wsign-compare.
3461 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3463 * frame.c: Include gansidecl.h for PROTO.
3464 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3465 defined. Don't declare dwarf2out_cfi_label here.
3466 * dwarf2.h: Add declarations of DWARF2 unwind info support
3468 * m68k.c: Include dwarf2.h.
3469 (output_function_prologue): Add dwarf2 support.
3470 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3471 (INCOMING_FRAME_SP_OFFSET): Likewise.
3473 * integrate.c (expand_inline_function): Make sure there is at
3474 least one insn that can be used as an insertion point.
3476 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3478 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3480 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3482 * version.c: Bump for snapshot.
3484 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3486 Bring over from FSF.
3488 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3490 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3491 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3492 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3494 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3496 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3497 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3499 (sparc_align_{loops,jumps,funcs}_string): Declare.
3500 (sparc_align_{loops,jumps,funcs}): Declare.
3501 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3502 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3503 (STACK_BIAS): Define.
3504 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3506 (SPARC_SETHI_P): New macro.
3507 (CONST_OK_FOR_LETTER_P): Use it.
3508 (ASM_OUTPUT_ALIGN_CODE): Define.
3509 (ASM_OUTPUT_LOOP_ALIGN): Define.
3510 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3511 (sparc_align_{loops,jumps,funcs}): New globals.
3512 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3514 (move_operand): Use SPARC_SETHI_P.
3515 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3517 (arith11_double_operand): Likewise.
3518 (arith10_double_operand): Likewise.
3519 (finalize_pic): Finish sparc64 support.
3520 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3521 64 bit constants if able.
3522 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3523 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3525 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3526 (get_pc_sp32): Use for sparc64 as well.
3527 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3528 (sethi_di_sp64_const): Likewise.
3529 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3530 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3531 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3533 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3535 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3536 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3537 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3539 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3541 Add sparc64 linux support.
3542 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3543 to xm_file list on 32-bit sparc-linux.
3544 * sparc/xm-sp64.h: New file.
3545 * sparc/linux64.h: New file.
3546 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3547 Don't include xm-sparc.h.
3548 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3549 * glimits.h (LONG_MAX): Handle sparc64.
3551 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3553 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3554 * sparc.h (ASM_COMMENT_START): Define.
3555 * sparc.c (output_function_prologue): Use it.
3556 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3558 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3560 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3561 use sparc.h's copies.
3562 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3565 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3567 * sparc.c (dwarf2out_cfi_label): Add declaration.
3568 (save_regs, output_function_prologue): Remove cast for it.
3569 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3570 ({save,restore}_regs): No longer inline.
3572 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3574 * fold-const.c (make_range): Correctly handle cases of converting
3575 from unsigned to signed type.
3577 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3579 * fold-const.c (merge_ranges): Make sure that if one range is subset
3580 of another, it will always be the second range. Correct (+,-) case to
3583 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3585 * final.c (final_end_function): Also do dwarf2 thing if
3586 DWARF2_DEBUGGING_INFO.
3587 (final_start_function): Likewise.
3589 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3591 * expmed.c (expand_divmod): If compute_mode is not the same as
3592 mode, handle the case where convert_modes() causes op1 to no
3593 longer be a CONST_INT.
3595 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3596 note holding get_jump_flags() calculation to all JUMP_INSNs.
3597 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3598 * rtl.c (reg_note_name): Add new note types.
3600 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3602 * rtlanal.c (computed_jump_p): Fix typo in last change.
3604 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3606 * loop.c (indirect_jump_in_function_p): Return 0
3609 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3611 * rs6000/xm-rs6000.h: Fix thinko in last change.
3612 * rs6000/xm-sysv4.h: Likewise.
3614 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3616 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3618 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3620 * reg-stack.c (find_blocks): Fix thinko in last change.
3622 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3624 * m68k.c (output_function_prologue): Add dwarf2 support.
3626 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3627 INCOMING_FRAME_SP_OFFSET): New definitions.
3629 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3631 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3632 appropriate in calls to gen_rtx().
3633 * cse.c (cse_main): Likewise.
3634 * emit-rtl.c (gen_label_rtx): Likewise.
3635 * expr.c (init_expr_once): Likewise.
3636 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3637 sched_analyze, init_rgn_data_dependences,
3638 compute_block_backward_dependences): Likewise.
3639 * sched.c (schedule_insns): Likewise.
3640 * varasm.c (immed_double_const): Likewise.
3642 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3643 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3645 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3647 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3648 (MULTILIB_DEFAULTS): Define.
3649 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3650 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3651 (LIBGCC_SPEC): Likewise.
3652 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3653 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3654 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3655 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3656 (EXTRA_PARTS, TAROUTOPTS): Delete.
3657 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3658 (MULTILIB_OPTIONS): Define.
3659 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3660 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3662 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3664 * version.c: Bump for snapshot.
3666 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3668 * loop.c (loop_number): Delete function. Change all references
3669 to use uid_loop_num array.
3670 * loop.h (loop_number): Delete declaration.
3671 * unroll.c (unroll_loop): Change "loop_number" references to
3672 use uid_loop_num instead.
3674 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3676 (loop_unroll_iter): Remove unused variable and all references.
3677 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3678 (insert_bct): Fix minor formatting problems.
3679 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3680 (loop_unroll_iter): Removed unused decl.
3681 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3682 Always record the unrolling factor.
3684 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3685 Similarly for h1u and h1s.
3687 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3688 (find_basic_blocks): Use computed_jump_p to determine if a
3689 particular JUMP_INSN is a computed jump.
3690 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3691 if a particular JUMP_INSN is a computed jump.
3692 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3693 (computed_jump_p): Likewise.
3694 * rtl.h (computed_jump_p): Declare.
3695 * genattrtab.c (pc_rtx): Define and initialize.
3696 * loop.c (loop_optimize): Always determine if the current
3697 function has a computed jump.
3698 (indirect_jump_in_function_p): Use computed_jump_p to determine
3699 if a particular JUMP_INSN is a computed jump.
3701 * loop.c (fix_bct_param): Delete unused function.
3702 (check_bct_param): Likewise.
3704 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3706 * frame.c (__deregister_frame): Check properly for initialized object.
3708 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3710 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3712 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3714 * jump.c (thread_jumps): check can_reverse_comparison_p before
3715 threading a reversed-condition jump.
3717 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3718 * haifa-sched.c (update_flow_info): Likewise.
3720 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3722 * Makefile.in (BOOT_CFLAGS): Use -O2.
3724 * configure.in (strtoul, bsearch): Have autoconf check for these
3726 * configure, config.in: Rebuilt.
3728 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3729 * mips/mips.h (alloca): Likewise.
3730 * rs6000/xm-rs6000.h (alloca): Likewise.
3731 * rs6000/xm-sysv4.h: Likewise.
3733 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3735 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3736 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3737 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3739 * except.c (end_eh_unwinder): Subtract 1 from return address.
3740 * libgcc2.c (__throw): Likewise.
3741 (find_exception_handler): Don't change PC here. Compare end with >.
3743 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3745 * v850.c (compute_register_save_size): Correct register
3747 * v850.md (save_interrupt, return_interrupt): Correct
3749 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3750 (return_interrupt): Use stack pointer, not element pointer.
3752 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3754 * configure.in, configure: Make sure to create the stage* and include
3755 symbolic links in each subdirectory.
3757 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3759 * pa.md (reload_peepholes): Don't allow addresses with side
3760 effects for the memory operand.
3762 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3764 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3765 looking for a handler, to avoid hitting the beginning of the next
3768 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3770 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3772 * mips/abi64.h (LONG_MAX_SPEC): Define.
3773 * mips.h (LONG_MAX_SPEC): Define.
3774 (CPP_SPEC): Include long_max_spec.
3775 (EXTRA_SPECS): Include long_max_spec.
3777 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3779 * v850.c (construct_save_jarl): Fix thinko in last change.
3781 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3783 * version.c: Bump for snapshot.
3785 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3787 * libgcc2.c (find_exception_handler): Not found is -1.
3789 * integrate.c (expand_inline_function): Move expand_start_bindings
3790 after expanding the arguments.
3792 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3794 * expr.c (expand_expr): Remove previous incorrect change.
3795 If target and slot has no DECL_RTL, then call mark_addressable
3796 again for the slot after we give it RTL.
3798 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3800 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3801 again for the slot after we give it RTL.
3803 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3805 * v850.c (register_is_ok_for_epilogue,
3806 pattern_is_ok_for_epilogue, construct_restore_jr,
3807 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3809 * v850.h (pattern_is_ok_for_prologue,
3810 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3813 * v850.md: Replace prologue and epilogue patterns with a
3814 match_parallel pattern.
3816 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3818 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3819 * configure.in: Use EGCS_PROG_INSTALL.
3821 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3823 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3824 extern inline function.
3826 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3828 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3829 (concat_loc_descriptor): New function.
3830 (loc_descriptor): Call it.
3831 (add_AT_location_description): Also elide the descriptor if both
3832 halves of a CONCAT are pseudos.
3833 (add_location_or_const_value_attribute): Recognize CONCAT too.
3835 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3837 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3839 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3840 out-or-range reg_offset.
3841 (output_epilog): Likewise.
3843 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3845 * cse.c (simplify_relational_operation): If MODE specifies a
3846 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3847 is derived from the sign bit of the low word.
3849 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3851 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3853 * dwarf2.h: Add DW_CFA_GNU_args_size.
3854 * frame.c (execute_cfa_insn): Likewise.
3855 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3856 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3857 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3858 insn, hand it off to dwarf2out_stack_adjust.
3859 (dwarf2out_begin_prologue): Initialize args_size.
3860 * frame.h (struct frame_state): Add args_size.
3861 * libgcc2.c (__throw): Use args_size.
3862 * final.c (final_scan_insn): If we push args, hand off all insns
3863 to dwarf2out_frame_debug.
3864 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3866 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3867 Handle epilogue restore of SP from FP.
3868 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3869 lone insn has RTX_FRAME_RELATED_P set.
3871 * frame.c (extract_cie_info): Handle "e" augmentation.
3872 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3873 absence of UNALIGNED_*_ASM_OP.
3874 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3875 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3876 Don't emit augmentation fields length.
3877 (dwarf2out_do_frame): Move outside of #ifdefs.
3878 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3881 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3882 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3883 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3884 * sparc/sun4gas.h: New file.
3885 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3887 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3888 __register_frame_table and __deregister_frame.
3890 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3892 * except.c (find_exception_handler_labels): Use xmalloc instead of
3893 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3896 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3898 * Makefile.in: Various changes to build info files
3899 in the object tree rather than the source tree.
3901 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3903 * fixinc.math: New file to fix math.h on some systems.
3904 * configure.in (freebsd, netbsd): Use fixinc.math on these
3906 * configure: Rebuilt.
3908 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3910 * regmove.c (regmove_optimize): If we end up moving the
3911 original insn due to lifetime overlaps, make sure to move
3914 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3916 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3918 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3920 * haifa-sched.c (add_branch_dependences): Make each insn in
3921 a SCHED_GROUP_P block explicitly depend on the previous insn.
3923 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3925 * except.h: Prototype dwarf2 hooks.
3928 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3930 * configure.in (native_prefix): Delete.
3931 (mips-dec-netbsd): Don't set prefix.
3932 (*linux*): Don't set prefix.
3934 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3936 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3937 defined. If not defined, include <sys/varargs.h> if
3938 HAVE_SYS_VARARGS_H is defined.
3939 * configure.in: Test for varargs.h and sys/varargs.h.
3940 * configure: Regenerate with autoconf.
3941 * config.in: Regenerate with autoheader.
3943 * cpplib.c (quote_string): Cast first arg of sprintf call
3944 from "unsigned char *" to "char *".
3945 (output_line_command): Ditto.
3946 (macroexpand): Ditto.
3947 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3949 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3951 * version.c: Bump for snapshot.
3953 * Makefile.in (compare): Exit with nonzero status if there
3954 are comparison failures. Note which files failed the
3955 comparison test in .bad_compare.
3957 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3959 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3961 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3963 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3964 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3965 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3966 * configure: Regenerated.
3968 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3970 * loop.c (strength_reduce): Fix typo.
3972 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3974 * m88k/m88k.c (struct option): Rename to struct options.
3975 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3976 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3977 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3978 __DOLPHIN__ or sysV88.
3980 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3982 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3985 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3987 * config.sub: Accept 'amigados' for backward compatability.
3989 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3991 * Makefile.in (testsuite/site.exp): New target.
3992 (check-gcc, check-g++): Depend on testsuite/site.exp.
3993 Don't stop for failure.
3995 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3997 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3998 if DWARF2_UNWIND_INFO.
4000 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4002 Add support for exception handling using DWARF 2 frame unwind info.
4003 Currently works on SPARC and MIPS, and almost on x86.
4005 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4006 next_stack_level, in_reg_window): Helper fns.
4007 (__throw): Implement for DWARF2_UNWIND_INFO.
4009 * expr.c (expand_builtin): Handle builtins used by __throw.
4010 * tree.h (enum built_in_function): Add builtins used by __throw.
4011 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4012 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4013 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4014 (expand_builtin_extract_return_addr): Likewise.
4015 (expand_builtin_frob_return_addr): Likewise.
4016 (expand_builtin_set_return_addr_reg): Likewise.
4017 (expand_builtin_eh_stub): Likewise.
4018 (expand_builtin_set_eh_regs): Likewise.
4019 (eh_regs): Choose two call-clobbered registers for passing back values.
4021 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4022 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4023 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4024 (stmp-multilib): Likewise.
4025 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4027 * except.c: #include "defaults.h".
4028 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4029 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4030 (register_exception_table_p): New fn.
4031 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4032 (end_eh_unwinder): Likewise.
4034 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4035 call __register_frame and __deregister_frame as needed.
4036 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4037 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4038 EH_FRAME_SECTION_ASM_OP.
4039 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4040 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4041 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4043 * dwarf2out.c (output_call_frame_info): If no support for
4044 EXCEPTION_SECTION, mark the start of the frame info with a
4046 * collect2.c (frame_tables): New list.
4047 (is_ctor_dtor): Recognise frame entries.
4048 (scan_prog_file): Likewise.
4049 (main): Pass -fno-exceptions to sub-compile. Also do collection
4050 if there are any frame entries.
4051 (write_c_file_stat): Call __register_frame_table and
4052 __deregister_frame as needed.
4053 (write_c_file_glob): Likewise.
4055 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4056 Also require unaligned reloc support.
4057 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4058 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4059 * sparc/sysv4.h: Not here.
4061 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4062 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4063 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4065 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4066 EH implementations to the top.
4067 (find_exception_handler): Split out. Start from 0. Compare against
4069 (__find_first_exception_table_match): Use it.
4070 * except.c (output_exception_table): Don't do anything if there's
4071 no table. Don't output a first entry of zeroes.
4072 (eh_outer_context): Adjust properly.
4073 (add_eh_table_entry): Use xrealloc.
4074 * toplev.c (compile_file): Just call output_exception_table.
4076 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4078 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4080 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4082 * except.c (eh_outer_context): Do masking using expand_and.
4084 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4086 Add port done awhile ago for the ARC cpu.
4087 * arc/arc.h: New file.
4088 * arc/arc.c: New file.
4089 * arc/arc.md: New file.
4090 * arc/initfini.c: New file.
4091 * arc/lib1funcs.asm: New file.
4092 * arc/t-arc: New file.
4093 * arc/xm-arc.h: New file.
4094 * ginclude/va-arc.h: New file.
4095 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4096 * ginclude/varargs.h: Likewise.
4097 * Makefile.in (USER_H): Add va-arc.h.
4098 * configure.in (arc-*-elf*): Recognize.
4099 * longlong.h: Add ARC support.
4101 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4103 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4104 when clearing non-BLKmode data.
4106 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4108 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4109 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4111 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4113 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4115 * Makefile.in (clean): Delete libgcc1-test.
4117 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4119 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4121 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4124 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4126 * dwarf2out.c (output_call_frame_info): Call named_section.
4128 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4130 * haifa-sched.c (print_value): Fix last change.
4132 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4134 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4137 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4139 * mips.c (function_prologue): Set up the CFA when ABI_32.
4141 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4142 for dwarf2 unwind info.
4143 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4145 * final.c (final_end_function): Check dwarf2out_do_frame instead
4146 of DWARF2_DEBUG for dwarf2 unwind info.
4147 (final_scan_insn): Likewise.
4148 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4151 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4154 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4156 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4158 * v850.h (ASM_SPEC): Pass on target processor.
4159 (CPP_PREDEFINES): Only define if not already specified.
4160 (TARGET_VERSION): Only define if not already specified.
4161 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4163 (EXTRA_SWITCHES): Extra entries in the switches array.
4164 (TARGET_DEFAULT): Set default target processor.
4166 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4168 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4169 cases, add %# and %/, and add : to make them into extended asms.
4171 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4173 * alias.c (init_alias_analysis): Clean up incompatible pointer
4174 type warning in bzero.
4175 * regmove.c (regmove_optimize): Ditto.
4176 * haifa-sched.c (find_rgns): Ditto.
4178 * haifa-sched.c (print_value): Clean up ptr->int cast
4181 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4183 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4184 * install.texi (Configurations): Ditto.
4185 * config.sub: Ditto.
4187 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4189 * Makefile.in (sdbout.o): Depend on insn-config.h.
4191 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4193 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4194 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4196 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4198 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4199 prologue insn, only the first elt is significant.
4200 (output_call_frame_info): For exception handling, always use 4-byte
4201 fields as specified by the dwarf2 spec.
4202 Don't skip trivial FDEs.
4204 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4206 * version.c: Bump for snapshot.
4208 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4210 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4211 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4214 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4216 * final.c (shorten_branches): During first pass, assume worst
4217 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4219 * Makefile.in (distclean): Remove various things left around
4220 by running the testsuite.
4222 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4224 * configure.in (out_file): Emit definition to config.status in order
4225 to have a defined value for configure.lang.
4226 * configure: Re-built.
4228 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4230 * configure.in: Make symlink to as-new rather than as.new. Similarly
4232 * configure: Rebuilt.
4234 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4236 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4238 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4240 * sparc/sparc.md: Add ultrasparc scheduling support.
4241 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4243 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4245 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4246 as initial value for real_label_map.
4247 (copy_for_inline): Likewise.
4249 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4251 * sched.c (update_flow_info) When looking if to set found_split_dest
4252 or found_orig_dest, look at all parts of a PARALLEL.
4253 * haifa-sched.c (update_flow_info): Likewise.
4255 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4257 * v850: New directory for v850 port.
4258 * v850/lib1funcs.asm: New file.
4259 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4260 * ginclude/va-v850.h: New file.
4261 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4262 * configure.in (mn10200-*-*): New target.
4263 * configure: Rebuilt.
4264 * config.sub: Handle v850-elf.
4265 * Makefile.in (USER_H): Add va-mn10200.h.
4266 * invoke.texi: Document v850 stuff.
4268 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4270 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4271 has integer TYPE_{MAX,MIN}_VALUE before using them.
4273 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4274 __HPUX_ASM__ versions.
4276 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4278 * install.sh: Delete duplicate install script.
4280 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4282 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4283 computed goto which sets the same stack register.
4285 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4286 destination are both on the regstack.
4287 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4289 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4291 * mips.md (nonlocal_goto_receiver): Define.
4293 * profile.c (output_arc_profiler): Check next_insert_after for non
4294 NULL before deferencing it.
4296 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4298 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4300 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4302 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4304 * toplev.c (rest_of_compilation): For passes starting with
4305 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4307 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4310 * flow.c (print_rtl_with_bb): Print which insns start and end
4311 basic blocks. For the start of a basic block, also print the live
4314 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4316 * toplev.c (main): Change #elif to #else/#ifdef
4318 * tlink.c: Include ctype.h.
4319 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4321 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4323 * bitmap.c: Conditionally include stdlib.h.
4324 (free): Provide a declaration if NEED_DECLARATION_FREE.
4326 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4328 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4330 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4332 * profile.c (output_arc_profiler): Verify next_insert_after is an
4333 INSN before and after skipping a stack pop.
4335 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4337 * final.c (shorten_branches): Don't count the lengths of deleted
4340 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4342 * version.c: Bump for snapshot.
4344 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4346 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4347 two bitmaps ANDed together.
4348 (bitmap_print): Declare.
4350 * bitmap.c (function_obstack): Don't declare any more.
4351 (bitmap_obstack): Obstack for allocating links from.
4352 (bitmap_obstack_init): New static to say whether to initialize
4354 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4355 (bitmap_release_memory): Free all memory allocated from
4358 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4359 EXECUTE_IF_AND_IN_BITMAP.
4361 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4363 * alias.c (true_dependence): Address with AND can alias scalars.
4364 (anti_dependence, output_dependence): Likewise.
4366 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4368 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4370 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4371 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4372 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4373 definitions. Use -qrtems instead of -mrtems.
4375 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4377 * xm-sco5.h (sys_siglist): Define.
4378 (SYS_SIGLIST_DECLARED): Likewise.
4380 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4382 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4384 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4386 * except.c (eh_outer_context): Expand masking operation using
4389 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4391 * alpha.md (floatdisf2-1): New pattern.
4393 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4395 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4396 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4397 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4398 * gcc.texi: Note that if you define sys_siglist that you should
4399 also define SYS_SIGLIST_DECLARED.
4401 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4402 are relative to the next instruction, not the current instruction.
4404 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4406 * local-alloc.c (contains_replace_regs): New function.
4407 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4408 verify that there is no existing REG_EQUIV note, and add a call to
4409 contains_place_regs.
4411 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4413 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4414 (STARTFILE_SPEC): Always use crtbegin.o%s
4415 (ENDFILE_SPEC): Always use crtend.o%s.
4417 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4419 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4421 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4422 SFmode for 64 bit hosts.
4424 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4426 * fixincludes: Permits spaces between # and define. Discard C++
4427 comments in sys/pci.h on HP/UX 10.20.
4429 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4431 * version.c: Bump for snapshot.
4433 * pa.c (restore_unscaled_index_insn_codes): New function.
4434 (record_unscaled_index_insn_codes): Likewise.
4435 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4436 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4437 (pa_reorg): Call record_unscaled_index_insn_codes.
4439 * haifa-sched.c (move_insn): Handle notes correctly for insns
4440 with SCHED_GROUP_P set.
4442 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4444 * alpha/xm-linux.h (USE_BFD): Undef before define.
4446 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4448 * cse.c (cse_insn): Don't record BLKmode values.
4450 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4452 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4454 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4456 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4457 * collect2.c (sys_errlist): Likewise.
4458 * cpplib.c (sys_errlist): Likewise.
4459 * gcc.c (sys_errlist): Likewise.
4460 * protoize (sys_errlist): Likewise.
4461 * configure.in: Check for strerror.
4462 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4463 * xm-gnu.h (HAVE_STRERROR): Likewise.
4464 * xm-linux.h (HAVE_STRERROR): Likewise.
4465 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4466 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4467 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4468 * xm-dos.h (HAVE_STRERROR): Likewise.
4469 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4470 * xm-pa.h (HAVE_STRERROR): Likewise.
4471 * xm-papro.h (HAVE_STRERROR): Likewise.
4472 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4473 * configure, config.in: Rebuilt.
4475 * Makefile.in: Add several missing "else true" clauses.
4477 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4478 * mips-tfile.c: Likewise.
4479 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4480 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4481 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4482 * configure.in: Check for sys_siglist declaration.
4483 * configure, config.in: Rebuilt.
4485 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4487 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4488 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4489 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4490 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4491 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4492 macro EXTRA_SUBTARGET_SWITCHES.
4493 * configure.in (sh*-*-rtems*): New target.
4494 * sh/rtems.h: New file.
4495 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4496 * configure: Rebuilt.
4498 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4500 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4502 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4504 * rs6000.md: Make DF fused-add operations pay attention to
4507 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4509 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4511 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4513 * pa.md (reload_peepholes): Make sure operand is a REG before
4514 examining REGNO. Allow general registers too.
4516 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4518 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4520 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4522 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4523 to reallocate abbrev_die_table.
4525 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4527 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4529 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4531 * Makefile.in (config.status): Depend on version.c
4533 * expr.h (insn_gen_function): Reenable prototype.
4535 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4538 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4540 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4542 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4544 * version.c: Bump for latest snapshot.
4546 * bc-optab.c: Conditionally include stdlib.h.
4547 (free): Provide a declaration if NEED_DECLARATION_FREE.
4548 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4549 * rtl.h (free): Remove declaration.
4550 * tree.h (free): Remvoe declaration.
4552 * configure: Rebuilt.
4554 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4556 * flags.h (flag_move_all_movables): Declare.
4557 (flag_reduce_all_givs): Likewise.
4558 * loop.c (move_movables): Handle flag_move_all_movables.
4559 (strength_reduce): Handle flag_reduce_all_givs.
4560 * toplev.c (flag_move_all_movables): Define.
4561 (flag_reduce_all_givs): Likewise.
4562 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4563 * invoke.texi: Document new options, including alias stuff that
4564 wasn't included last time.
4566 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4568 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4571 * t-vxworks68: Ditto.
4572 * t-vxworks960: Ditto.
4575 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4577 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4578 if not already defined, and USE_C_ALLOCA not defined.
4580 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4582 * config.guess: Replace with script that uses ../config.guess.
4584 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4585 if USE_GNULIBC_1 is not defined.
4587 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4589 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4590 * config.guess: Recognize alpha-linux-gnulibc1.
4591 * configure.in (alpha-*-linux-gnulibc1): New target.
4592 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4594 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4596 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4599 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4601 * loop.c (combine_movables): Earlier insns don't match later ones.
4603 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4605 * config/linux.h (CC1_SPEC): Define it only if not defined.
4607 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4610 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4611 USE_GNULIBC_1 is not defined.
4613 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4615 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4616 as 1 if USE_GNULIBC_1 is not defined.
4618 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4620 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4621 to be something other than a REG.
4622 * function.c (expand_function_end): Fix current_function_return_rtx
4625 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4626 * x-netbsd: Likewise
4627 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4628 (INSTALL_HEADERS): Delete.
4629 * x-dguxbcs: Likewise.
4630 * x-hp3bsd44: Likewise
4633 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4635 * i386.md (pop): pop increments the stack pointer.
4636 (prologue_set_stack_ptr): New pattern.
4637 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4640 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4642 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4643 address where an offsettable address is required.
4645 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4647 * loop.c (check_final_value): Don't miss a biv increment in a
4650 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4652 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4653 TYPE_DECL_IS_STUB instead of DECL_NAME.
4655 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4657 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4659 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4661 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4663 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4665 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4666 (find_post_sched_live): Likewise.
4668 * haifa-sched.c (schedule_block): Remove old code to get arguments
4669 from hard regs into pseudos early.
4671 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4673 * version.c: Bump for new snapshot.
4675 * local-alloc.c (update_equiv_regs): All the target to reject
4676 promotion of some REG_EQUAL to REG_EQUIV notes.
4677 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4679 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4682 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4683 store of the argument registers.
4685 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4687 * fold-const.c (multiple_of_p): New function.
4688 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4690 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4692 * expr.h (insn_gen_function): Temporarily remove prototype.
4694 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4696 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4697 filenames. Use sed to extract base filename for install.
4699 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4701 * unroll.c (find_splittable_givs): Only share if two givs have the
4702 same add and multiply values.
4704 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4706 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4707 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4709 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4711 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4712 around branch tables.
4713 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4714 and .end_brtab directives if TARGET_GAS.
4716 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4718 * alias.c (true_dependence): Pass x_addr not x to varies.
4720 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4721 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4722 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4724 * config.in, configure: Regenerate.
4726 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4728 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4730 (record_set): Handle LO_SUM like PLUS.
4731 (init_alias_analysis): When following chains of base addresses,
4732 do not stop on reaching a hard register.
4734 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4736 * version.c: Bump for new snapshot.
4738 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4740 * alpha.h (ARCH_ASM_FILE_START): Define.
4741 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4742 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4744 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4746 * Makefile.in (install-common): Put gcov comment at start of line.
4748 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4750 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4751 array, simplify entries for hard registers too.
4753 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4755 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4758 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4760 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4761 block_stack before dereferencing it.
4763 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4765 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4767 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4769 * cplus-dem.c: Add 'extern' to prepends_underscore.
4771 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4773 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4774 (get_issue_rate): Delete.
4775 * pa.h (ISSUE_RATE): Define.
4777 * configure.in: Turn on haifa by default for the PA.
4778 * configure: Rebuilt.
4779 * pa.c (override_options): Accept -mschedule=7200 option.
4780 (pa_adjust_cost): No longer need to scale costs for newer
4782 * pa.h (enum processor_type): Add PROCESSOR_7200.
4783 * pa.md: Revamp scheduling parameters to work better with
4784 haifa. Add scheduling parameters for the 7200.
4786 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4788 (schedule_block): When adjusting basic_block_{head,end}, account
4789 for movement of SCHED_GROUP_P insns too.
4791 * haifa-sched.c (debug_dependencies): Fix thinko.
4793 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4794 (site.exp, check, check-g++, check-gcc): New targets.
4796 * haifa-sched.c: Make lots of variables static.
4798 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4800 * expr.h, real.h: Finish prototyping.
4802 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4804 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4805 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4806 * reload1.c: Undo bugfix from Aug 11.
4808 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4810 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4811 quotes around the name.
4812 * configure: Regenerate.
4814 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4816 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4818 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4820 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4821 to sub-makes to avoid building more passes than the user might have
4822 requested on the command line.
4824 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4826 * configure.in: Expurgate `broken_install' (install is
4829 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4832 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4834 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4835 functions and declarations.
4836 (analyze_loop_iterations): Use condjump_p.
4837 (insert_bct): Likewise. Use exact_log2.
4839 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4841 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4842 (schedule_region): Likewise.
4843 (schedule_insns): Likewise.
4845 * PROJECTS: Update with Haifa stuff.
4847 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4849 * version.c: Change the version string to look like:
4850 egcs-2.90.00 970814 (gcc2-970802 experimental).
4852 * loop.c (is_conditional_branch): Make definition match declaration.
4854 * gcc.c: Take out experimental snapshot warning message.
4856 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4858 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4859 print out the names of the notes. Print out the name of the insn
4860 that is not a note, and not an {,CALL_,JUMP_}INSN.
4862 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4864 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4865 again for the slot after we give it RTL.
4867 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4869 * configure.in (haifa configury): Fix typo.
4870 * configure: Regenerate.
4872 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4874 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4876 * gcc.info*: Rebuilt.
4878 * COPYING.g77, README.g77: New files.
4879 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4880 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4881 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4883 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4885 * Integrate Haifa instruction scheduler.
4886 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4887 to sched with $(SCHED_CFLAGS.
4888 * configure.in: Handle --enable-haifa.
4889 * configure: Rebuilt.
4890 * flags.h: Add new flags for haifa instruction scheduler.
4891 * genattrtab.c (expand_units): For haifa, don't subtract one
4892 when computing blockage.
4893 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4894 (flag_schedule_speculative): Ditto.
4895 (flag_schedule_speculative_load): Ditto.
4896 (flag_schedule_speculative_load_dangerous): Ditto.
4897 (flag_schedule_reverse_before_reload): Ditto.
4898 (flag_schedule_reverse_after_reload): Ditto.
4899 (flag_branch_on_count_reg): Ditto.
4900 (f_options): Add Haifa switches.
4901 (main): Turn off some Haifa options if appropriate macro is
4902 defined. Process Haifa switches.
4903 * unroll.c (iteration_info): No longer static, since Haifa
4905 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4906 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4907 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4908 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4909 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4910 storage for the Haifa scheduler.
4911 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4913 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4914 are defined, call analyze_loop_iterations and insert_bct to use
4916 (record_giv): Refine test for jumps out of loops if HAIFA is
4918 (analyze_loop_iterations): New function to identify if we can use
4920 (insert_bct): Insert countdown loop.
4921 (instrument_loop_bct): Low level code to insert countdown loop.
4922 (loop_number): Calculate UID of loop.
4923 (indirect_jump_in_function_p): Return true if an indirect jump is
4925 (is_power_of_2): Return true if value is a power of 2.
4926 (is_conditional_branch): Return true if insn is a conditional
4928 (fix_bct_param): Process -fbct-{min,max}-N switches.
4929 (check_bct_param): Return true if loop should be instrumented.
4930 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4931 (loop_optimize): Initialize.
4932 (get_condition_for_loop): Ditto.
4933 * loop.c (strength_reduce): Inside of code that uses #ifdef
4934 HAVE_decrement_and_branch_on_count code, test it to make sure the
4936 (instrument_loop_bct): Ditto.
4937 * haifa-sched.c: New file.
4940 * Integrate regmove pass.
4941 * Makefile.in (OBJS): Add regmove.o
4942 (regmove.o): Add dependencies.
4943 * flow.c (find_use_as_address): No longer static.
4944 * rtl.h (find_use_as_address): Declare.
4945 * toplev.c (regmove_dump, flag_regmove): Define.
4946 (f_options): Add -fregmove.
4947 (regmove_dump_file, regmove_time): Define.
4948 (fatal_insn): Close the regmove dump file.
4949 (compile_file): Initialize regmove_time; open/close the regmove dump
4950 file as needed. Print regmove time as needed.
4951 (rest_of_compilation): Run regmove pass if requested, dump
4952 RTL after regmove if requested.
4953 (main): If -O2 or more, turn on regmove. Handle dump switches.
4954 * regmove.c: New file.
4956 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4958 * Integrate tlink patch from jason@cygnus.com
4959 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4960 (process_command): Increment n_switches for them. Don't discard
4961 their args. Validate them.
4962 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4964 (process_command): Set include_prefixes from COMPILER_PATH.
4965 (main): Set COLLECT_GCC_OPTIONS sooner.
4966 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4967 * tlink.c, hash.c, hash.h: New files.
4968 * Makefile.in (USE_COLLECT2): Always use collect2.
4969 (collect2): Depend on and link in hash.o and tlink.o.
4970 (tlink.o, hash.o): Add dependencies.
4972 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4974 * Integrate alias analysis changes from jfc@mit.edu
4975 * Makefile.in (OBJS): Add alias.o
4976 (alias.o): Add dependencies.
4977 * alias.c: New file.
4978 * sched.c: Remove alias analysis code. It lives in alias.c now.
4979 (sched_analyze_2): Add new arguments to true_dependence.
4980 (schedule_insns): Always call init_alias_analysis.
4981 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4982 mark return value from such functions as a pointer and keep track of
4983 them for alias analysis. If a return value from a function is a
4984 pointer, mark it as such.
4985 * combine.c (distribute_notes): Handle REG_NOALIAS.
4986 * cse.c (struct write_data): Delete. No longer needed.
4987 (invalidate): Don't call set_nonvarying_address_components anymore.
4988 Use true_dependence to decide if an entry should be removed from
4990 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4992 (note_mem_written): Similarly for WRITE_PTR argument.
4993 (invalidate_from_clobbers): Similarly for W argument.
4994 (invalidate_for_call): Remove memory elements from the hash table.
4995 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4996 (cse_rtx_varies_p): New function. Derived from old
4997 cse_rtx_addr_varies_p.
4998 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4999 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5000 pointer if PUSH_ROUNDING is defined. No longer need to call
5001 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5002 (skipped_writes_memory): Remove variable.
5003 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5004 (invalidate_skipped_block): Simplify for new alias analysis code.
5005 (cse_set_around_loop): Likewise.
5006 (cse_main): Call init_alias_analysis.
5007 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5008 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5009 (f_options): Add new alias checking arguments.
5010 (main): Set flag_alias_check when optimizing.
5011 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5013 (memref_referenced_p): Likewise.
5014 * loop.c (NUM_STORES): Increase to 30.
5015 (prescan_loop): Only non-constant calls set unknown_address_altered.
5016 (invariant_p): Add new arguments to true_dependence.
5017 (record_giv): Initialize unrolled and shared fields.
5018 (emit_iv_add_mult): Call record_base_value as needed.
5019 * loop.h (struct induction): Add unrolled and shared fields.
5020 * unroll.c (unroll_loop): Call record_base_value as needed.
5021 (copy_loop_body): Likewise.
5022 (final_biv_value): Likewise.
5023 (final_giv_value): Likewise.
5024 (find_splittable_regs): Likewise. Only create one new pseudo
5025 if we have multiple address GIVs that were combined with the same
5026 dst_reg GIV. Note when a new register is created due to unrolling.
5027 * rtl.c (reg_note_name): Add REG_NOALIAS.
5028 * rtl.h (enum reg_note): Similarly.
5029 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5030 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5031 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5032 (true_dependence, read_dependence, anti_dependence): Likewise.
5033 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5034 (mark_user_reg, mark_reg_pointer): Likewise.
5037 * Integrate reload bugfix from Wilon which enables the PA port
5039 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5040 OPERAND_ADDRESS when computing how many registers an insn needs.
5041 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5043 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5045 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5046 in reload_reg_use_in_op_addr do not reach the end.
5047 do not reach the end.
5048 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5049 RELOAD_FOR_OPERAND_ADDRESS.
5051 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5053 * egcs project officially starts.