1 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
3 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
5 * calls.c (expand_call): Remove unused variables funtree,
8 * dbxout.c, except.c: Include <string.h>/<strings.h>.
10 * explow.c: (plus_constant_for_output_wide) Removed unused
11 variable all_constant.
13 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
14 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
15 genrecog.c, global.c, integrate.c , stupid.c : Include
18 * genextract.c: (walk_rtx) Remove unused variable link.
20 * genrecog.c: (concat) Remove unreferenced static function.
22 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
24 * stmt.c: Include <stdlib.h>.
25 (expand_asm_operands): Remove unused variable val1.
26 (expand_return): Remove unused variable block.
27 (pushcase): Remove unused variables l and n.
28 (pushcaserange): Likewise.
30 * unroll.c (unroll_loop): Remove unused variable temp.
32 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
34 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
36 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
38 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
39 functions for whether they support the %p format specifier.
40 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
41 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
42 * configure, config.in: Rebuild.
44 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
46 * function.c (assign_parms): New variable named_arg, with value
47 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
49 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
51 * mips/t-r3900: New - same as t-ecoff but eliminate
52 multilibs: mips1 and mips3.
53 * configure.in (tx39*): Use new mips/t-r3900.
55 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
57 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
59 * dwarf2out.c: Add old_args_size.
60 (dwarf2out_args_size): Use it.
61 (dwarf2out_begin_prologue): Initialize it.
62 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
63 pushed args until we see a call.
64 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
65 before outputting them.
67 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
69 * cplus-dem.c (demangle_template_template_parm): New function.
70 (demangle_template): Handle template template parameters.
72 1998-02-02 Mark Mitchell <mmitchell@usa.net>
74 * calls.c (expand_call): Don't confuse member functions named
75 realloc, setjmp, and so forth with the standard library
76 functions of the same names.
78 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
80 * stmt.c (expand_asm_operands): Correctly identify asm statements
83 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
85 * c-common.c (decl_attributes): Flag unrecognized attribute
86 functions as warnings instead of as errors.
88 1998-02-05 Marc Lehmann <pcg@goof.com>
90 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
91 when -Os is specified.
92 * toplev.c (main): Don't disable flag_inline_functions anymore when
95 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
98 * flags.h (flag_regmove): Declare.
99 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
100 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
101 Moved into regmove; changed caller.
102 * toplev.c (rest_of_compilation): Call regmove_optimize also for
103 expensive_optimizations.
105 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
107 * version.c: Bump for snapshot.
109 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
110 Undo this change (the problem was actually in reload):
111 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
113 * sh.md (movqi_i+1): New peephole.
115 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
117 * jump.c (jump_optimize): Lose calls to modified_in_p they are
118 not needed anymore due to changes elsewhere in jump.c.
120 * jump.c (jump_optimize): Fix first arg to modified_in_p in
123 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
125 * expr.c (expand_builtin_setjmp): Accept two new arguments for
126 the labels to branch to on first and subsequent executions. Don't
127 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
128 and provide it with the jmp_buf. Use only one of
129 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
130 and provide the former with the target label.
131 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
132 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
133 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
134 insn to replace all of the normal nonlocal_goto code. Don't play
135 with __dummy. Correct arguments to nonlocal_goto.
136 * expr.h (expand_builtin_setjmp): Update prototype.
137 * except.c (start_dynamic_handler): When using builtin_setjmp,
138 generate more accurate flow information.
140 * alpha.md (nonlocal_goto_receiver_osf): Delete.
141 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
142 (builtin_longjmp, builtin_setjmp_receiver): New.
143 * sparc.md (update_return): Disambiguate unspec number.
144 (nonlocal_goto): Rearrange arguments to match caller in except.c.
145 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
147 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
148 (builtin_setjmp_setup*, builtin_longjmp): New.
150 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
152 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
154 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
156 * vmsconfig.com: Remove bytecode references.
158 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
160 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
161 -fno-sjlj-exceptions works for a target that defines
162 DWARF2_UNWIND_INFO as zero.
164 * regmove.c (fixup_match_1): Undo last change which removed some
165 "useless" code, and add a comment explaining this.
167 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
169 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
172 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
174 * makefile.vms: Remove bytecode references.
177 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
179 * jump.c (jump_optimize): Allow conditional loading of floating point
180 constants and constants from memory. Reinstalled modified_in_p tests.
182 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
184 * loop.c (get_condition): Handle sign-extended constants.
186 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
188 * expr.c (emit_push_insn): Add code to use movstrti if present.
190 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
191 and movstrqi as in emit_block_move ().
193 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
195 * config/m68k/x-next: Remove /NextDeveloper/Headers from
196 the directories to fixinclude - /usr/include is a link
197 to it and hence its contents are fixed by default.
199 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
201 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
203 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
205 * cccp.c (main): Predefine __VMS_VER on VMS.
207 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
209 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
210 * fold-const.c (size_int): Replace with
212 (make_bit_field_ref): Use bitsize_int for bit position.
213 * stor-layout.c (sizetype): Delete.
214 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
215 (layout_record, layout_union, layout_type):
216 Use bitsize_int for bit size.
217 (set_sizetype): New function.
218 (make_signed_type, make_unsigned_type): Use it.
219 * c-decl.c (init_decl_processing): Likewise.
220 * tree.h (size_int): Don't delcare, #define.
221 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
222 (set_sizetype): Declare.
223 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
225 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
226 Convert result to sizetype.
227 (really_start_incremental_init, push_init_level):
228 Set type of constructor_bit_index to sbitsizetype.
229 (push_init_level): Use unsigned arithmetic to determine padding.
230 (output_init_element): Likewise.
232 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
234 * combine.c (simplify_shift_const): Fix typo in last change.
236 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
238 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
239 is (truncate (lshiftrt)).
241 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
243 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
244 Make sure result winds up in TGT.
245 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
246 src to be other than DImode.
247 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
248 (alpha_expand_unaligned_store_words): Likewise.
249 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
250 that source and destination are separately optimized for alignment.
251 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
253 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
255 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
256 with handling of -32768.
258 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
260 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
261 shell variable argument instead of only hard coded functions.
262 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
264 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
265 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
266 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
267 declarations for bcopy, bcmp and bzero.
269 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
271 * gansidecl.h: If we have bcopy but don't declare it, then do so.
272 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
273 bzero, index and rindex if they aren't already present.
275 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
277 * toplev.c (close_dump_file): Wrap function prototype for
278 argument "func" in PROTO.
279 (dump_rtl): Likewise.
281 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
283 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
285 (output_function_epilogue): Omit epilogue if nothing drops through.
286 (output_move_double): Supress int ldd usage on ultrasparc and v9.
287 (registers_ok_for_ldd_peep): Likewise.
288 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
289 (ultrasparc_adjust_cost): New function.
290 (sparc_issue_rate): New function.
291 * sparc.h (MASK_VIS, TARGET_VIS): New
292 (MASK_V8PLUS, TARGET_V8PLUS): New.
293 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
294 (TARGET_SWITCHES): Add vis and v8plus.
295 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
296 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
297 (RTX_COSTS): Use TARGET_HARD_MUL
298 (ADJUST_COST): Call ultrasparc_adjust_cost.
300 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
301 of load & fp appropritely.
302 (supersparc function units): Adjust for Haifa.
303 (ultrasparc function units): Likewise.
304 (get_pc_via_rdpc): All v9, not just arch64.
305 (movdi_v8plus, movdi_v8plus+1): New.
306 (adddi3_sp32+1): New.
307 (subdi3_sp32+1): New.
308 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
309 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
310 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
311 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
312 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
313 (ldd peepholes): Suppress for v9.
314 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
315 (return_subsi): Revmove.
317 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
319 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
320 save/restore MEM rtl.
322 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
324 * configure.in: Check for declaration of abort.
325 * acconfig.h: Corresponding changes.
326 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
329 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
331 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
334 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
336 * version.c: Bump for snapshot.
338 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
340 * configure.in: Check for atoq and atoll.
341 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
342 proper routine for converting ascii into long long values.
344 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
346 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
348 * vmsconfig.com: Remove bytecode references.
350 * alpha/vms.h (PREFIX): Define.
352 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
354 * am-alpha.h: Don't include alloca for OPEN_VMS.
356 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
358 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
359 (GCC_INCLUDE_DIR): Define
361 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
362 * makefile.vms: New file.
364 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
366 * alpha.c (output_prolog): Output '.name' directive
367 for minimal traceback information.
369 * alpha.c (output_prolog): Don't prepend entry point symbols
370 with '$' on OPEN_VMS.
372 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
373 Jeffrey A Law (law@cygnus.com)
375 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
378 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
380 * genemit.c (gen_exp): Likewise.
381 * genpeep.c (match_rtx): Likewise.
382 * genrecog.c (write_tree_1): Likewise.
384 * c-lex.c (yyprint): Use proper format string based upon
385 disposition of HOST_BITS_PER_WIDE_INT.
386 (yylex): Put casts in right place for args to build_int_2.
388 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
390 * combine.c: Fix typos in Jan27 changes.
392 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
394 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
395 (LINK_SPEC): Likewise.
396 (STARTFILE_SPEC): Likewise.
398 1998-01-28 Mike Stump <mrs@wrs.com>
400 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
402 * genattrtab.c (reload_completed): Define.
404 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
407 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
409 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
410 SUBREG_REG if the word count is unchanged, also in the input reload
411 case. Disable non-applicable sanity checks.
413 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
415 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
417 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
419 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
421 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
423 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
424 is a TREE_VEC before trying to use it for baseclasses.
425 (Chill uses the same field for a different purpose.)
427 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
429 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
431 * config.sub: More accurate determination of HP processor types.
433 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
436 prototype for `handle_sysv_pragma', and make it static. Add
437 parentheses around assignment used as truth value.
439 * combine.c (combine_instructions): Protect variable `prev' with
441 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
442 (extract_left_shift): Add parentheses around operand of &.
443 (merge_outer_ops): Avoid an empty body in an else-statement.
444 (gen_rtx_combine): Remove unused variable `i'.
446 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
447 function monstartup `void'. Likewise for internal_mcount. Add
448 `static void' prototype for moncontrol. Reconcile sprintf format
451 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
452 Make return type of function_arg_slotno explicitly `int'.
453 (reg_unused_after): Add parentheses around assignment used as
455 (save_regs): Add explicit braces to avoid ambiguous `else'.
456 (function_arg_slotno): Add parentheses around && within ||.
457 (function_arg_pass_by_reference): Likewise.
458 (sparc_flat_output_function_prologue): Reconcile fprintf format
461 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
462 assignment used as truth value.
464 * cplus-dem.c: Include <stdlib.h>.
465 (demangle_signature): Avoid an empty body in an else-statement.
466 (do_type): Remove unused variable `lvl'.
468 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
469 Include <string.h>/<strings.h>.
470 (cpp_lex): Remove unused variable `namelen'.
471 (cpp_lex): Explicitly declare `num_chars' as an int.
473 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
474 <unistd.h> instead. Explicitly declare is_system_include
476 (make_assertion): Remove unused variable `kt'.
477 (cpp_expand_to_buffer): Hide variable `obuf'.
478 (output_line_command): Remove unused variables, `line_end',
479 `line_cmd_buf' and `len'.
480 (macarg): Remove unused variable `arg_start'.
481 (special_symbol): Remove unused variable `i'. Add parentheses
482 around assignment used as truth value.
483 (do_include): Remove unused variables `pcfname' and `retried',
484 hide `pcf' and `pcfbuflimit'.
485 (do_line): Remove unused variable `i'.
486 (finclude): Hide variable `missing_newline'.
487 (cpp_handle_options): Remove unused variable `j'.
488 (read_token_list): Remove unused variable `eofp'.
489 (cpp_error_with_line): Remove unused variable `i'.
490 (cpp_warning_with_line): Likewise.
491 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
492 (cpp_error_from_errno): Remove unused variable `i'.
494 * cse.c (invalidate): Add parentheses around assignment used as
496 (find_best_addr): Move declaration of variable `our_cost' inside
497 the conditional macro where its used.
498 (fold_rtx): Avoid an empty body in an if-statement.
499 (cse_insn): Wrap variables `this_insn_cc0_mode' and
500 `this_insn_cc0' in macro HAVE_cc0.
502 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
503 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
504 (output_uleb128): Likewise.
505 (output_sleb128): Likewise.
506 (output_cfi): Likewise.
507 (output_call_frame_info): Remove unused variables `j', `fde_size'
509 (comp_unit_has_inlines): Hide declaration as per rest of file.
510 (size_of_line_prolog): Correct typo in prototype.
511 (add_arange): Likewise.
512 (output_aranges): Likewise.
513 (add_name_and_src_coords_attributes): Likewise.
514 (gen_array_type_die): Likewise.
515 (gen_inlined_subroutine_die): Likewise.
516 (equate_decl_number_to_die): Remove unused variable `i'.
517 (print_die): Reconcile format vs. args in fprintf's.
518 (print_dwarf_line_table): Likewise.
519 (output_die): Likewise.
520 (output_line_info): Likewise.
521 (add_subscript_info): Avoid an empty body in an else-statement.
522 (gen_subprogram_die): Remove unused variable `fp_loc'.
524 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
525 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
526 macro. Protect `src_coords_attribute' prototype with
527 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
528 prototype as in the rest of the file. Likewise for
529 `output_pointer_type_die' and `output_reference_type_die'. Remove
530 prototype for `type_of_for_scope'.
531 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
532 (type_attribute): Add explicit braces to avoid ambiguous `else'.
534 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
535 (shorten_branches): Protect declaration of tmp_length with
536 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
537 (profile_function): Protect declaration of `sval' and `cxt'
538 variables with appropriate macros.
539 (final_scan_insn): Likewise for `note' variable. Add explicit
540 braces to avoid empty body in an if-statement.
541 (output_asm_insn): Move variable `i' inside macro conditional
542 where it is used. Add parentheses around assignment used as truth
544 (asm_fprintf) Likewise, likewise.
546 * fix-header.c (main): Remove unused variable `done'. Protect
547 declaration of `i' with FIXPROTO_IGNORE_LIST.
549 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
551 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
554 * profile.c: Include <string.h>/<strings.h>.
555 (instrument_arcs): Remove unused variables `note', `inverted',
556 `zero' and `neg_one'.
557 (branch_prob): Avoid empty body in an if-statement.
559 * regclass.c: Include <stdlib.h>.
560 (reg_alternate_class): Explicitly declare parameter `regno'.
562 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
563 parentheses around assignment used as truth value.
564 (find_matches): Remove unused variables `output_operand' and
566 (fixup_match_1): Remove statement with no effect: "if (0) ;".
568 * scan.c (sstring_append): Explicitly declare `count' as int.
569 (scan_string): Explicitly declare parameter `init' as int.
571 * sched.c: Include <stdlib.h>.
572 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
573 (rank_for_schedule): Add parentheses around assignment used as
575 (schedule_block): Likewise.
576 (regno_use_in): Likewise.
577 (schedule_insns): Remove unused variable `i'.
579 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
580 (v_message_with_decl): Remove unused variable `n'.
581 (botch): Explicitly declare parameter `s' as char *.
582 (main): Add parentheses around assignment used as truth value.
584 * tree.c (make_node): Protect the variable `kind' with the
585 GATHER_STATISTICS macro.
586 (real_value_from_int_cst): Move variable `e' inside conditional
587 macro area where it is used.
588 (tree_last): Add parentheses around assignment used as truth value.
589 (build1): Protect the variable `kind' with the GATHER_STATISTICS
591 (print_obstack_statistics): Reconcile format vs. args in fprintf.
592 Protect variables `i', `total_nodes', and `total_bytes' with the
593 GATHER_STATISTICS macro.
595 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
597 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
598 some comments regarding use of dead_or_set_p.
600 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
602 * fixincludes: Tweak fix for struct exception in math.h
604 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
606 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
607 Change mode of registers used to add/sub from
608 hard_frame_pointer_rtx from word_mode to Pmode.
610 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
612 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
613 asm_output_aligned_bss() instead of asm_output_bss().
615 * toplev.c (rest_of_compilation): Replace references to
616 stack_reg_dump_file and dbr_sched_dump_file with references to
619 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
621 * tlink.c (scan_linker_output): Call fclose() for opened files.
623 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
625 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
626 compiling with -fpic -- we want to be able to override symbols
628 (alpha_expand_block_move): Fix thinko in last change.
630 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
631 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
632 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
634 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
636 * alpha.md (abssf, absdf): Revert last change.
638 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
640 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
641 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
643 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
645 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
646 a CONST_INT into SFmode.
648 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
650 * flags.h: New flag (optimize_size).
651 * toplev.c (main): Parse -Os option and set optimize_space
653 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
654 __OPTIMIZE_SIZE__ when compiling with -Os.
655 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
656 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
657 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
659 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
661 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
663 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
664 stuff only if MCT_TEXT is #define'd.
666 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
668 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
671 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
673 * toplev.c: Add -dM command line option to dump RTL after the
674 machine dependent reorganisation pass, if there is one.
675 Reorganise RTL dump code, so that only one file handle is
678 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
680 * except.c (check_exception_handler_labels): Disable warning when
683 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
685 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
687 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
689 * c-decl.c (grokdeclarator): Get parameter tags from
690 last_function_parm_tags.
691 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
692 traversing the parameter types.
693 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
695 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
697 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
699 (get_shift_alg): Fix typo.
701 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
703 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
705 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
707 * toplev.c (get_run_time): Make sure each case gets its variables.
709 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
711 * configure.in (build_xm_file): Add auto-config.h if host=build.
712 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
713 (build_xm_file_list): Likewise.
714 * configure: Rebuild.
716 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
718 * recog.c (validate_replace_rtx_1): Only perform substitutions
719 of arguments to commutative and comparison operators once.
721 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
723 * sparc.c (output_cbranch): Add default case in
726 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
727 (emit_delay_sequence): Eliminate unused parameter, all callers
729 (fill_simple_delay_slots): Likewise.
730 (fill_slots_from_thread): Likewise.
731 (fill_eager_delay_slots): Likewise.
732 (mark_referenced_resources): Add default case in enumeration switch.
733 (mark_set_resources): Likewise.
734 (rare_destination): Likewise.
735 (mostly_true_jump): Likewise.
736 (find_dead_or_set_registers): Likewise.
737 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
738 (update_reg_unused_notes): Remove unused variable `p'.
739 (mark_target_live_regs): Remove unused variables `next' and
741 (fill_simple_delay_slots): Remove unused variable `j'.
742 (fill_slots_from_thread): Add parentheses around assignment used
744 (dbr_schedule): Likewise.
746 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
747 (objc.stage2, objc.stage3, objc.stage4): Likewise.
749 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
751 * cse.c (simplify_ternary_operation): Don't try to simplify
752 IF_THEN_ELSE expressions (created by combine) that don't use
753 relational operators.
755 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
757 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
760 * crtstuff.c (init_dummy): Keep the epilogue in the init
761 section for non-ELF systems.
763 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
765 * sh.md (movqi_i+1): New peephole.
767 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
769 * Makefile.in: Remove remaining bytecode stuff.
770 * emit-rtl.c, expr.c: Likewise.
772 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
774 * toplev.c (lang_options): Add unknown-pragma options.
776 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
778 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
779 special (and incomplete) handling for Chill arrays.
781 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
783 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
786 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
788 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
790 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
792 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
793 .frame directive instead of FRAME_POINTER_REGNUM.
795 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
797 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
798 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
799 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
800 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
801 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
802 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
803 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
804 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
806 * longlong.h: Replace __mc68332__ with __mcpu32__.
808 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
810 * version.c: Bump for snapshot.
812 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
814 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
815 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
816 * reload1.c (eliminate_regs): Likewise.
818 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
820 * regmove.c (find_matches): Initialize matches->earlyclobber too.
822 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
824 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
825 (negsf2, negdf2): Use proper subtract in IEEE mode.
827 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
829 * Makefile.in: Remove more bytecode stuff.
830 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
831 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
832 * f/install.texi, objc/Make-lang.in: Likewise.
834 * Makefile.in: Remove all bytecode support.
835 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
836 * emit-rtl.c: Remove all bytecode support.
837 * expr.c, expr.h function.c, integrate.c: Likewise.
838 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
839 * tree.h, varasm.c: Likewise.
840 * config/m68k/m68k.h: Likewise.
841 * bi-*, bc-*, bytecode*: Delete bytecode related files.
842 * modemap.def: Likewise.
844 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
846 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
847 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
849 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
851 * i386.md (push): Prohibit symbolic constants if flag_pic.
852 (movsi+1): Likewise for move to non-register.
854 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
856 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
857 (print_operand): Handle 0xffffffff on 32 bit host.
859 * configure.in (thread_file): Rename uses before main loop to
860 target_thread_file. Initialize to empty in main loop. Set thread_file
861 to target_thread_file after main loop if not set.
862 * configure: Rebuild.
864 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
865 (add_values_to_cover): Revert last change (which had no ChangeLog
867 (simplify_with_current_value_aux): Handle CONST_INT.
869 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
871 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
873 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
875 * configure.in: Add cpp stringify test.
876 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
877 * gengenrtl.c: Use it.
878 * configure, config.in: Rebuild.
880 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
882 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
884 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
886 * configure.in: Find declaration for sbrk.
887 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
888 * config.in, configure: Rebuild.
889 * mips-tfile.c: Properly protect declaration of sbrk and free.
890 * toplev.c: Properly protect declaration of sbrk.
892 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
894 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
896 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
898 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
900 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
902 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
904 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
906 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
907 constant offset computations from objects with known alignment in
908 the presence of STACK_BIAS.
910 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
912 (const_hash): Hash val is unsigned long.
915 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
917 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
918 char pointer, not HOST_WIDE_INT.
919 (print_node): Likewise. Also hash is unsigned long not
922 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
924 * explow.c (optimize_save_area_alloca): New function for targets
925 where SETJMP_VIA_SAVE_AREA is true.
926 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
927 compute the amount of stack space needed should we find later that
928 setjmp is never called by this function, stuff rtl for this inside
929 a REG_NOTE of the final SET of stack_pointer_rtx.
930 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
931 current_function_calls_alloca, call optimize_save_area_alloca.
933 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
935 * i386.md: Remove redundant integer push patterns.
936 Don't bother checking for TARGET_PUSH_MEMORY when
937 pushing constants or registers.
939 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
940 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
942 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
943 (pwait): New function for mingw32.
945 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
946 pipe support is broken for now.
948 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
950 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
951 between frame_pointer_rtx, hard_frame_pointer_rtx, and
952 arg_pointer_rtx is respected in initialization.
953 (init_emit_once): Use gen_rtx_raw_REG() to create
954 return_address_pointer_rtx.
956 * reorg.c: #include "expr.h" for rtx prototypes.
957 * Makefile.in (reorg.o): Depend on expr.h
959 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
961 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
962 local_prefix to sub-make invocations.
964 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
966 * objc-parse.c: Recognize protocol qualifiers in class definitions.
968 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
972 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
973 * configure.in: Check for atol.
974 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
976 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
978 * loop.c (find_and_verify_loops): When attempting to move insns from
979 inside the loop outside the loop, create a BARRIER if no suitable
982 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
983 favor of an equivalent change from gcc-2.8.
985 * i386/x-sco5 (CC): Remove trailing whitespace.
987 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
989 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
990 (accessor_from_format): Likewise.
991 (xmalloc): New function for use when linking with alloca.o.
993 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
995 * frame.c (find_fde): Correct FDE's upper bound.
997 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
999 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1001 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1003 * calls.c (expand_call): Move #ifdef code out of macro argument
1005 (emit_library_call, emit_library_call_value): Likewise.
1007 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1009 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1011 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1013 * version.c: Bump for snapshot.
1015 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1017 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1018 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1019 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1020 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1021 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1022 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1023 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1024 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1025 * unroll.c, varasm.c: Likewise.
1026 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1028 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1030 * mips.h: Fix some type-o's from a previous change.
1032 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1034 * loop.c (check_dbra_loop): Make sure initial value is a
1035 CONST_INT before trying to normalize it.
1037 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1039 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1041 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1043 * cppexp.c: Include gansidecl.h
1045 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1047 * svr4.h (LINK_SPEC): Never specify -h.
1048 * ptx4.h (LINK_SPEC): Likewise.
1049 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1050 * sparc/sol2.h (LINK_SPEC): Likewise.
1052 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1054 * c-typeck.c (comptypes): Exit early on NULL input.
1056 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1057 dependencies after reload.
1059 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1061 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1063 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1065 * alpha/vms.h (DIR_SEPARATOR): define
1067 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1069 * Makefile.in (stamp-proto): Remove.
1070 (protoize.o, unprotoize.o): Straightforward compile.
1071 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1073 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1075 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1076 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1078 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1080 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1081 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1082 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1084 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1086 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1088 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1090 * configure.in (target_cpu_default, target_cpu_default2): Use double
1091 quotes around them when testing their value.
1092 * configure: Rebuilt.
1094 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
1096 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
1098 (gendef): Call obstack_alloc_rtx.
1100 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
1102 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
1105 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
1107 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
1108 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
1109 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
1111 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
1113 * mips.md (return_internal): Change mode from SImode to VOIDmode.
1115 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
1117 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
1120 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
1122 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
1123 suffix from operand 3.
1125 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1126 Jeffrey A Law (law@cygnus.com)
1128 * regmove.c: New implementation of regmove pass.
1129 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
1130 decls, make them have external linkage. Return a value from
1131 optimize_reg_copy_1.
1132 * reload.h (count_occurrences): Add decl.
1133 * reload1.c (count_occurrences): Delete decl, make it have external
1135 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
1137 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
1139 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
1140 if it is not defined.
1142 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
1144 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
1145 * emit-rtl.c (gen_rtx): Move special code to ...
1146 (gen_rtx_CONST_INT): New function.
1147 (gen_rtx_REG): New function.
1148 (*): Update all calls to gen_rtx.
1149 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
1150 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
1151 (GEN_INT): Call gen_rtx_CONST_INT.
1152 * gengenrtl.c: New file.
1154 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
1156 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
1157 (base_alias_check): If no base found for address call canon_rtx and
1160 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
1162 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
1163 arguments for mips16.
1164 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
1165 Don't lose if tsize is zero after handling large stack for mips16.
1166 * mips.md (return): For trivial return, return address is in $31.
1168 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
1170 * mips/mips16.S: Various changes to make it work with -msingle-float
1173 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
1174 Ian Lance Taylor <ian@cygnus.com>
1175 Jeff Law <law@cygnus.com>
1177 * mips.c, mips.h, mips.md: First cut at merging in mips16
1178 support. Major modifications throughout all three files.
1180 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
1182 * configure.in: Make gthr-default.h a forwarding header instead of
1185 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * gcov-io.h: Include sys/types.h to ensure we get size_t.
1189 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
1191 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
1192 Jeffrey A Law (law@cygnus.com)
1194 * crtstuff.c (__frame_dummy): New function for irix6.
1195 (__do_global_ctors): Call __frame_dummy for irix6.
1196 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
1198 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
1200 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
1202 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
1204 * c-decl.c (init_decl_processing): Provide proper fallback symbol
1205 for __builtin_memset.
1206 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
1207 not INTEGER_CST. Assert arg 3 is a constant.
1209 * alpha.c (mode_width_operand): Accept 64-bit modes.
1210 (mode_mask_operand): Likewise.
1211 (print_operand): Likewise for 'M' and 'U' codes.
1212 (alpha_expand_unaligned_load): New function.
1213 (alpha_expand_unaligned_store): Likewise.
1214 (alpha_expand_unaligned_load_words): Likewise.
1215 (alpha_expand_unaligned_store_words): Likewise.
1216 (alpha_expand_block_move): Likewise.
1217 (alpha_expand_block_clear): Likewise.
1218 * alpha.h (MOVE_RATIO): New define.
1219 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
1220 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
1222 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
1223 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
1225 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
1227 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
1228 * configure: Update.
1230 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
1232 * emit-rtl.c (operand_subword): Correctly handle extracting a word
1233 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
1235 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
1238 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
1240 * configure.in: Set and subsitute host_exeext. Use it when creating
1241 the assembler and linker symlinks.
1242 * configure: Rebuild.
1243 * Makefile.in (exeext): Set to @host_exeext@.
1244 (build_exeext): New variable, set to @build_exeext@.
1245 (FLAGS_TO_PASS): Pass down build_exeext.
1246 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
1249 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
1251 * mn10200.md (addsi3, subsi3): Fix thinkos.
1253 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
1255 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
1256 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
1257 unix always, since we want to be able to thunk to functions in a
1258 shared library from an application.
1260 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
1262 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
1263 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1265 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
1267 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1268 offset's mode is not ptr_mode, convert it.
1270 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
1272 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
1273 compiling if it was already defined.
1275 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
1277 * flow.c (find_basic_blocks): Don't create a new basic block
1278 for calls in a LIBCALL block.
1280 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
1282 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
1284 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
1286 * cse.c (rtx_cost): Remove conflicting default case.
1288 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
1290 * configure.in: Move default enabling of Haifa out of for loop.
1291 * configure: Rebuild.
1293 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
1295 * version.c: Bump for snapshot.
1297 1997-12-25 Teemu Torma <tot@trema.com>
1299 * Makefile.in (GTHREAD_FLAGS): New var.
1300 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
1301 (distclean): Remove gthr-default.h.
1303 * configure.in: Accept dce as a thread package.
1304 Check for thread.h and pthread.h.
1305 Link gthr-default.h to appropriate thread file and set
1307 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
1308 include multilib definitions from pa/t-dce-thr.
1309 (sparc-*-solaris2*): Enable threads by default, if thread.h or
1310 pthread.h is found, preferring posix threads over solaris ones.
1312 * config/pa/t-dce-thr: New file.
1313 * config/pa/t-pa: Removed multilibs.
1314 * config/sparc/t-sol2: Ditto.
1317 * gthr-single.h: New file.
1318 * gthr-posix.h: New file.
1319 * gthr-solaris.h: New file.
1320 * gthr-dce.h: New file.
1321 * libgcc-thr.h: Removed.
1322 * objc/thr-dce.c: New file copied from thr-decosf1.c.
1324 * frame.c: Include gthr.h instead of libgcc-thr.h.
1325 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
1326 (eh_context_initialize): If __gthread_once fails, use static eh
1328 (eh_context_free): Call __gthread_key_dtor.
1330 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
1332 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
1334 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
1336 * cse.c (max_insn_uid): New variable.
1337 (cse_around_loop): Use max_insn_uid.
1338 (cse_main): Set max_insn_uid.
1340 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
1341 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
1342 -mlong64, and -mgp{32,64} options.
1343 * mips.c (mips_abi): Change type to int.
1344 * mips.h (enum mips_abi_type): Delete.
1345 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
1346 (mips_abi): Change type to int.
1348 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
1350 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
1351 optimization is now always enabled.
1353 * calls.c (expand_call): Recognize C++ operator new as malloc-like
1356 * alias.c (memrefs_conflict_p): Eliminate tests now done by
1358 (*_dependence): Call canon_rtx before base_alias_check.
1359 (init_alias_once): New function to precompute set of registers which
1360 can hold Pmode function arguments.
1362 * rtl.h: Declare init_alias_once.
1364 * toplev.c (compile_file): Call init_alias_once.
1366 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
1368 * tree.c (restore_tree_status): Do not dereference a null pointer.
1370 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
1372 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
1373 RLIMIT_STACK. This maintains consistency with the recent, similar
1374 patch to cccp.c and toplev.c.
1376 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
1378 * genattrtab.c (expand_units): For large nr opclasses, expand
1379 function_units_used with ORX to prevent blowups. Tag with FFS.
1380 (num_unit_opclasses): New variable.
1381 (gen_unit): Update it.
1382 (enum operator): Add ORX_OP.
1383 (operate_exp): Treat ORX as or, except don't expand across an if.
1384 Reuse number rtx's after operating on them.
1385 (check_attr_value): Accept IOR, AND, & FFS.
1386 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
1387 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
1388 (write_expr_attr_cache, write_toplevel_expr): New functions.
1389 (write_attr_get): Handle FFS-tagged expressions.
1390 (make_canonical): Don't expand const attributes.
1391 (convert_const_symbol_ref): Dike out.
1392 (evaluate_eq_attr): Handle SYMBOL_REF.
1393 (main): Don't emit get_attr_foo for const attributes.
1395 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
1396 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
1397 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
1398 * alpha.md: Redo all of the scheduling, adding EV6 support, and
1399 combining function units where possible.
1400 (attr "type"): Split loads, stores, cmov into int/fp. Combine
1401 multiplies and divides. Add EV6 sqrt, ftoi, itof.
1402 (attr "opsize"): New attribute.
1403 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
1404 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
1405 to control register allocation.
1406 (movsi2-1, movdi2-1): Likewise.
1408 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
1410 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
1411 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
1412 Move OSF/1 specific defines out.
1413 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
1414 Move Linux specific defines out.
1415 (LINK_SPEC): Genericize.
1416 (ASM_FILE_START): Emit .arch if using more than the base insn set.
1417 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
1418 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
1419 (HANDLE_SYSV_PRAGMA): Define.
1420 * alpha/osf.h: New file.
1421 * alpha/linux.h: Split. Retain file-format independant defines.
1422 Import Linux bits from elf.h.
1423 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
1424 (FUNCTION_PROFILER): _mcount takes its address in $28.
1425 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
1426 * alpha/linux-ecoff.h: New file.
1427 * alpha/linux-elf.h: New file.
1428 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
1429 * alpha/win-nt.h (TARGET_DEFAULT): Define.
1430 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
1431 Add new headers as appropriate.
1433 * configure.in (alpha*): Enable Haifa by default.
1434 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
1435 * configure: Rebuild.
1437 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
1439 * Makefile.in (clean): Remove the stages with their objects here ...
1440 (distclean): ... instead of here.
1442 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1444 * cse.c (rtx_cost): Add default case in enumeration switch.
1445 * fix-header.c (recognized_macro): Likewise.
1446 (recognized_extern): Likewise.
1447 (write_rbrac): Likewise.
1448 * objc/objc-act.c (encode_aggregate): Likewise.
1449 (gen_declarator): Likewise.
1450 (gen_declspecs): Likewise.
1452 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
1454 * haifa-sched.c (create_reg_dead_note): Detect and handle another
1455 case where we kill more regs after sched than were killed before
1457 * sched.c (create_reg_dead_note): Similarly.
1459 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
1461 * c-pragma.c: Include flags.h.
1463 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
1465 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
1466 about system headers.
1467 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
1468 and also to resolve symbols in prefix.c.
1470 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
1471 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
1472 when the definitions in auto-config.h is not visible.
1473 (HAVE_BZERO): Likewise.
1474 (HAVE_BCMP): Likewise.
1475 (HAVE_RINDEX): Likewise.
1476 (HAVE_INDEX): Likewise.
1478 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
1480 * pa.c (emit_move_sequence): Handle a function label source
1483 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
1485 * c-pragma.c (handle_pragma_token): Generate warning messages
1486 about unknown pragmas if warn_unknown_pragmas is set.
1488 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
1489 line option to set variable: warn_unknown_pragmas.
1491 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
1493 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
1495 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
1497 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
1499 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
1500 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
1501 generate more fine grained floating point emulation libraries.
1502 * config/fp-bit.c: Add protecting #ifdef to all functions so
1503 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
1504 then compile all suitable functions.
1505 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
1506 underscores to avoid namespace pollution.
1507 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
1509 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
1513 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1514 Jeff Law <law@cygnus.com>
1516 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
1518 * c-decl.c (finish_decl): Use parentheses around && within ||.
1519 * rtl.c: Include stdlib.h.
1520 (read_skip_spaces): Add parentheses around assignments used as
1522 (read_rtx): Initialize list_rtx.
1523 * cppexp.c (parse_number): Use || when operands are truth values.
1524 * alias.c (find_base_value): Add default case.
1525 (memrefs_conflict): Likewise.
1526 * combine.c (sets_function_arg_p): Likewise.
1527 * genemit.c (gen_exp): Likewise.
1528 * local-alloc.c (contains_replace_regs): Likewise.
1529 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
1530 * fold-const.c (fold_convert): Use "&&" for truth values.
1531 (fold): Add default case.
1532 * sdbout.c (sdbout_field_types): Fix typo in declaration.
1533 (sdbout_one_type): Add default case.
1534 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
1535 (some_operand): Add default case.
1536 (input_operand): Likewise.
1537 (signed_comparison_operator): Likewise.
1538 (divmod_operator): Likewise.
1539 (alpha_set_memflags_1): Likewise.
1540 * reload1.c (reload_cse_simplify_operands): Ensure function
1541 always returns a value.
1542 * scan-decls.c (scan_decls): Likewise.
1543 * c-lex.c (skip_white_space): Fix typo in declaraion.
1544 * c-typeck.c (comp_target_types): Add parentheses around assignment
1545 used as truth value.
1546 (print_spelling): Likewise.
1547 (constructor_implicit, constructor_result): Remove unused variables.
1548 * collect2.c (scan_library): Protect prototype with
1549 #ifdef SCAN_LIBRARIES.
1550 * emit-rtl.c (find_line_note): Fix typo in declaration.
1551 * final.c (asm_insn_count): Protect prototype with
1552 #ifdef HAVE_ATTR_length.
1553 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
1554 (try_pre_increment_1, try_pre_increment): Likewise.
1555 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
1556 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
1557 * gcov-io.h (__store_long, __write_long, __read_long): Fix
1558 unsigned/signed comparisons.
1559 * gcov.c (read_files): Remove unused "first_type" variable.
1560 (scan _for_source_files): Initialize s_ptr.
1561 (function_summary): Eliminate "%lf" formatting, use %ld for
1563 (output_data): Initialize branch_probs and last_line_num.
1564 Eliminate "%lf" formatting, use "%ld" for longs.
1566 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
1568 * mips16.S: New file.
1570 * libgcc2.c (varargs): Handle mips16.
1572 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
1574 * stmt.c (expand_end_case): Likewise.
1575 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
1576 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
1577 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
1579 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1581 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
1582 the build directory.
1583 (libobjc.a): Update dependency list.
1584 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
1586 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
1587 (objc.mostlyclean): Remove runtime-info.h.
1589 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
1591 * tree.c (build_range_type): Allow creation of ranges with no maximum.
1592 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
1593 * dwarf2out.c (add_subscript_info): Likewise.
1594 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
1595 * sdbout.c (plain_type_1): Likewise.
1596 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
1598 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
1601 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1603 * mips.c (fatal): Remove declaration.
1605 1997-12-18 Mark Mitchell <mmitchell@usa.net>
1607 * integrate.c (get_label_from_map): New function.
1608 (expand_inline_function): Use it. Initialize the label_map to
1609 NULL_RTX instead of gen_label_rtx.
1610 (copy_rtx_and_substitute): Use get_label_from_map.
1611 * integrate.h (get_label_from_map): New function.
1612 (set_label_from_map): New macro.
1613 * unroll.c (unroll_loop): Use them.
1614 (copy_loop_body): Ditto.
1616 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
1618 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
1619 (INIT_TARGET_OPTABS): Define.
1620 * mips/ecoff.h: Include gofast.h before mips.h.
1621 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
1622 * mips/elf64.h: Likewise.
1623 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
1625 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
1627 * except.c: Remove register_exception_table{,_p}.
1629 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
1631 * unroll.c (calculate_giv_inc): Handle constant increment found in
1632 a MEM with an appropriate REG_EQUAL note.
1634 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
1636 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1637 frame pointer in the prologue.
1639 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1641 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1642 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1644 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1646 * config/m68k/m68k.c (output_function_prologue): Typecast
1647 dwarf2out_cfi_label to (char *).
1648 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1650 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1652 * sparc.md (jump): Don't use the annul bit around an empty loop.
1653 Patch from Kevin.Kelly@East.Sun.COM.
1655 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1657 * jump.c: (jump_optimize): Don't use the return register as a
1658 source1 of a conditional move.
1660 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1662 * sparc.c (DF_MODES): Or the mask not the bit number.
1663 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1665 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1667 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1669 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1671 * fixincludes (size_t): Add support for Motorola's stdlib.h
1672 which fails to provide a definition for size_t.
1673 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1674 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1675 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1677 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1678 prevent unresolved externals in libio.
1679 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1681 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1683 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1684 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1685 (LIB_SPEC): Updated for glibc 2.
1687 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1689 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1690 * ginclude/varargs.h: Likewise.
1692 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1694 * version.c: Bump for snapshot.
1696 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1698 * frame.h (__register_frame, __register_frame_table,
1699 __deregister_frame): New.
1700 * frame.c (__register_frame, __register_frame_table,
1701 __deregister_frame): New.
1702 * frame.c (__deregister_frame_info): Return void *.
1703 * frame.h (__deregister_frame_info): Ditto.
1704 * collect2.c (__deregister_frame_info): Ditto.
1706 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1708 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1710 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1712 * alpha.c (alpha_cpu_name): New variable.
1713 (alpha_mlat_string): Likewise.
1714 (alpha_memory_latency): Likewise.
1715 (override_options): Handle -mmemory-latency.
1716 (alpha_adjust_cost): Adjust load cost for latency.
1717 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1718 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1719 TARGET_CIX into account.
1720 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1721 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1723 * alpha.h (ASM_COMMENT_START): New macro.
1725 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1727 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1728 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1730 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1731 SUBREG_REG if the word count is unchanged.
1732 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1733 subregs of identical word size for push_reload.
1735 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1737 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1738 if all we're doing is dealing with -Wreturn-type.
1740 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1742 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1743 Use and 255 instead of zapnot 1, since it schedules better.
1745 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1747 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1750 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1752 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1753 dependency we delete. Properly update prev for multiple consecutive
1755 (priority): Skip deleted dependence.
1757 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1759 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1761 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1763 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1764 determining when a new basic block starts.
1766 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1768 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1769 * pa.md (iorsi3): Add missing args to *_operand calls.
1771 * except.c (call_get_eh_context): Don't mess with sequences.
1772 (emit_eh_context): Include the call in the sequence here.
1774 1997-12-11 Paul Eggert <eggert@twinsun.com>
1776 * collect2.c (write_c_file_glob): Allocate initial frame object
1777 in static storage and pass its address.
1779 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1781 * except.c (call_get_eh_context): Don't take a parm.
1782 Put the call at the top of the function.
1783 (emit_eh_context): Adjust.
1784 (get_eh_context): Replace with former use_eh_context.
1785 (get_eh_context_once, get_saved_pc_ref): Remove.
1786 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1788 * integrate.c (expand_inline_function): Adjust.
1789 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1791 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1793 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1794 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1796 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1798 * fixincludes (strlen,strspn,strcspn return value): Handle different
1800 (hypot): Provide a fake for hypot which is broken on
1801 m88k-motorola-sysv3.
1803 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1805 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1806 tree_code_name from pointers to arrays.
1807 * tree.c: Remove standard_tree_code_* variables, no longer used.
1808 * print-tree.c: Remove declaration of tree_code_name.
1810 * cp/lex.c (init_lex): Update for tree_code_* changes.
1811 * objc/objc-act.c (init_objc): Likewise.
1813 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1816 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1818 * config.sub: Add support for BeOS target.
1819 * configure.in: Likewise.
1820 * ginclude/stdarg.h: Likewise.
1821 * ginclude/stddef.h: Likewise.
1822 * ginclude/varargs.h: Likewise.
1823 * rs6000/beos.h: New file for BeOS.
1824 * rs6000/t-beos: Likewise.
1825 * rs6000/x-beos: Likewise.
1826 * rs6000/xm-beos.h: Likewise.
1827 * toplev.c (get_run_time): Just return 0 on BeOS.
1829 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1830 Toon Moene (toon@moene.indiv.nluug.nl)
1832 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1833 old and broken Sun3 assemblers. Newer versions handle large
1834 offsets correctly as does the GNU assembler.
1836 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1838 * objc/objc-act.c (lang_report_error_function): Disable.
1839 * objc/objc-parse.y: Include "output.h".
1840 (yyerror): Remove redundant decl.
1841 (yyprint): Fix prototype.
1842 (apply_args_register_offset): Remove redundant decl.
1843 (get_file_function_name): Likewise.
1845 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1847 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1849 (find_basic_blocks_1): Likewise.
1851 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1853 * except.c (use_eh_context): Don't copy_rtx a REG.
1854 (emit_throw): Lose old unwinder support.
1855 (expand_internal_throw): Likewise.
1856 * libgcc2.c (struct eh_context): Likewise.
1857 (new_eh_context): Likewise.
1858 (__get_eh_info): Lose redundant cast.
1859 (__get_dynamic_handler_chain): Likewise.
1860 (__get_saved_pc): Lose.
1861 Lose all old unwinder support code.
1863 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1865 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1867 * integrate.c (expand_inline_function): If the inline fn uses eh
1868 context, make sure that the current fn has one.
1869 * toplev.c (rest_of_compilation): Call emit_eh_context.
1870 * except.c (use_eh_context): New fn.
1871 (get_eh_context_once): New fn.
1872 (call_get_eh_context): New fn.
1873 (emit_eh_context): New fn.
1874 (get_eh_context): Call either get_eh_context_once or
1875 call_get_eh_context, depending on what we have.
1876 (get_dynamic_handler_chain): Call get_eh_context_once.
1877 * except.h: Prototypes for fns above.
1878 * optabs.c (get_eh_context_libfunc): Removed.
1879 (init_optabs): Don't initialize it.
1880 * expr.h (get_eh_context_libfunc): Removed.
1881 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1882 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1883 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1884 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1885 New multilib for -threads.
1886 * config/sparc/t-sol2: Added multilibs for -threads and
1887 made -pthreads alias to it.
1888 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1889 Added -threads and -pthreads options.
1890 * libgcc-thr.h: New file.
1891 * libgcc2.c: (__get_cpp_eh_context): Removed.
1892 (struct cpp_eh_context): Removed.
1893 (struct eh_context): Replaced cpp_eh_context with generic language
1895 (__get_eh_info): New function.
1896 (__throw): Check eh_context::info.
1898 * libgcc2.c: Include libgcc-thr.h.
1899 (new_eh_context, __get_eh_context,
1900 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1901 eh_context_specific, eh_context_free): New functions.
1902 (get_eh_context, eh_context_key): New variables.
1903 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1904 get_eh_context to get the context.
1905 (longjmp): Move the declaration inside
1906 #ifdef DONT_USE_BUILTIN_SETJMP.
1907 * frame.c: Include libgcc-thr.h.
1908 (object_mutex): Mutex to protect the object list.
1909 (find_fde, __register_frame, __register_frame_table,
1910 __deregister_frame): Hold the lock while accessing objects.
1911 * except.h (get_eh_context): Declare.
1912 * except.c (current_function_ehc): Define.
1913 (current_function_dhc, current_function_dcc): Removed.
1914 (get_eh_context): New function.
1915 (get_dynamic_handler_chain): Use get_eh_context.
1916 (get_saved_pc_ref): Ditto.
1917 (get_dynamic_cleanup_chain): Removed references to
1918 current_function_dcc.
1919 (save_eh_status, restore_eh_status): Save and restore
1920 current_function_ehc instead.
1921 * optabs.c (get_eh_context_libfunc): New variable.
1922 (init_optabs): Initialize it.
1923 * expr.h: Declare get_eh_context_libfunc.
1924 * function.h (struct function): Replaced dhc and dcc with ehc.
1925 * except.c (get_saved_pc_ref): New functions.
1926 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1927 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1929 (end_eh_unwinder): Likewise.
1930 (init_eh): Remove initialization of eh_saved_pc.
1931 * optabs.c (get_saved_pc_libfunc): New variable.
1932 (init_optabs): Initialize it.
1933 * expr.h: Declare get_saved_pc_libfunc.
1934 * except.h (eh_saved_pc_rtx): Deleted.
1935 (get_saved_pc_ref): Declared.
1937 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1938 * libgcc2.c (__get_saved_pc): New.
1939 (__eh_type, __eh_pc): Deleted.
1940 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1941 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1944 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1946 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1947 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1950 * rtl.h (global_rtl): New variable, replacing separate variables for
1952 (const_int_rtx): Now array of rtx_def, not rtx.
1953 * emit-rtl.c: Update for new rtl data structures.
1954 * genattrtab.c: Define global_rtl.
1956 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1958 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1961 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1963 * crtstuff.c (__do_global_ctors): Fix typo.
1965 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1967 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1968 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1970 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1972 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1973 * rs6000.c (function_arg_padding): New function.
1975 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1977 * m68k.c: Include tree.h only once.
1979 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1981 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1983 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1985 * Partially cleaned up prototyping code from HJ.
1986 * tree.h: Add many prototypes.
1987 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1988 All references changed.
1989 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1991 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1993 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1994 string functions like strlen.
1996 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1998 * configure.in: Check for functions getrlimit and setrlimit.
1999 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2000 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2002 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2004 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2006 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2008 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2011 * alpha.c (override_options): Don't know about scheduling for EV6.
2012 * alpha.md (ev5 function units): Don't overload as ev6.
2014 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2015 * alpha.md (define_attr type): Add mvi.
2016 (ev5_e0): Define sceduling parameters for it.
2017 (TARGET_MAX insns): Type is mvi not shift.
2019 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2021 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2023 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2025 * cstamp-h, auto-config.h: Delete.
2027 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2029 * version.c: Bump for snapshot.
2031 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2033 * cccp.c: Fix typo brought over in merge.
2035 * Merge in changes from gcc-2.8.
2037 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2039 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2041 * gcc.c (process_command): Do not take address of function fatal when
2042 calling lang_specific_driver.
2044 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2046 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2047 doesn't work with it yet, so set it to 0.
2048 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2050 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2052 * cse.c (cse_insn): Check for invalid entries when taking references.
2054 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2056 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2057 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2058 * toplev.c (rest_of_compilation): Pass it. Remove code to
2059 save / clear / restore flag_unroll_{,all_}loops.
2061 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2063 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2065 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2067 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2069 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2071 * except.c (get_dynamic_handler_chain): Only make the call once per
2074 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2076 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2078 * sh.c (final_prescan_insn): Use local label prefix
2079 when emitting .uses pseudo-ops.
2081 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2083 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2084 * except.c: Lose outer_context_label_stack.
2085 (expand_eh_region_end): Rethrow from outer_context here.
2086 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2087 (expand_internal_throw): Take no args.
2088 (expand_internal_throw_indirect): Lose.
2089 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2090 (expand_start_all_catch): Start a rethrow region.
2091 (expand_end_all_catch): End it.
2092 (expand_rethrow): New fn.
2093 * except.h: Reflect above changes.
2094 * flow.c: Revert change of Nov 27.
2096 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
2098 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
2100 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2102 * except.c (expand_fixup_region_end): New fn.
2103 (expand_fixup_region_start): Likewise.
2104 (expand_eh_region_start_tree): Store cleanup into finalization here.
2105 * stmt.c (expand_cleanups): Use them to protect fixups.
2107 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
2109 * mips/mips.md (muldi3_r4000): Broaden the output template
2110 and attribute assignments to handle three operand dmult;
2111 rename to muldi3_internal2.
2112 (muldi3): Call the new muldi3_internal2 for R4000, and
2113 any GENERATE_MULT3 chip.
2115 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2117 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
2119 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
2121 * unroll.c (find_splittable_givs): Remove last change. Handle givs
2122 with a dest_reg that was created by loop.
2124 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
2126 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
2128 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
2130 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
2132 * configure.in: Fix NCR entries.
2134 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
2136 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
2137 nested exceptions correctly.
2139 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
2140 that was created by loop.
2142 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2144 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
2146 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
2148 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
2150 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
2151 (print_operand): Use SMALL_DATA_REG for the register involved in
2152 small data relocations.
2153 (print_operand_address): Ditto.
2155 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
2156 -dynamic linker is not used.
2158 * rs6000.md (call insns): For local calls, use @local suffix under
2159 System V. Don't use @plt under Solaris.
2161 * rs6000.c (output_function_profiler): Put label address in r0, and
2162 store LR in 4(sp) for System V/eabi.
2164 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
2165 byte boundary, and maintain stack backchain.
2167 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2169 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2170 fix_truncsfdi2): Change *.
2172 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
2174 * toplev.c (main): Complain about -gdwarfn.
2176 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
2178 * dwarfout.c (output_type): If finalizing, write out nested types
2179 of types we've already written.
2181 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
2183 (patches originally from Geoffrey Keating)
2184 * rs6000.c (function_arg): Excess floating point arguments don't
2185 go into GPR registers after exhausting FP registers under the
2187 (function_arg_partial_nregs): Ditto.
2189 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
2192 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
2194 * integrate.c (output_inline_function): Just unset DECL_INLINE.
2196 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
2198 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
2201 * libgcc2.c (__throw): Initialize HANDLER.
2203 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
2205 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
2206 fix_truncsfdi2): Change *X to ?*X.
2208 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
2210 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
2212 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
2214 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
2216 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
2218 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
2220 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
2222 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
2223 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
2226 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
2228 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
2229 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
2230 gas and not using the new HP assembler.
2232 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
2234 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
2235 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
2237 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
2239 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
2240 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
2243 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2245 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
2247 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2249 * except.h: Add outer_context_label_stack.
2250 * except.c: Likewise.
2251 (expand_start_all_catch): Push the outer_context for the try block
2252 onto outer_context_label_stack.
2253 (expand_end_all_catch): Use it and pop it.
2255 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
2257 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
2259 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
2261 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
2263 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
2265 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
2266 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2268 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2270 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
2271 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
2272 __builtin_delete, and __builtin_vec_delete.
2274 * except.c (output_exception_table): Don't bother with
2277 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
2279 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
2280 is an in/out operand.
2281 (zero extended variants of stwm/stwm patterns): Similarly.
2283 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
2285 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
2287 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
2289 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
2290 (output_call_frame_info): Emit a \n after using it.
2292 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
2294 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
2296 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
2298 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
2299 (ASM_OUTPUT_DWARF_VALUE4): New macro.
2300 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
2302 (output_call_frame_info): Do not output forward label differences
2303 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
2304 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
2306 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2308 * sh.md (attribute "type"): Add nil.
2309 (movsi_ie): y/y alternative is type nil.
2310 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
2312 (movsf_ie+1): Delete.
2314 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
2316 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
2317 large_int, emit two insns instead of one splitable insn.
2318 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
2319 from cfa_temp_value, use cfa_offset. Add assert checking that
2322 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
2324 * cccp.c (deps_output): Properly quote file names for make.
2326 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
2328 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
2330 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
2332 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
2334 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
2336 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
2338 (cse_end_of_basic_block): Similarly.
2340 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
2342 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
2343 (SELECT_RTX_SECTION): Define.
2344 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
2346 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
2348 * Makefile.in (compare, compare-lean): Define $stage for each
2350 (gnucompare, gnucompare-lean): Likewise.
2352 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
2354 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
2356 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
2357 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
2359 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
2361 * dwarfout.c (byte_size_attribute): Add local var upper_bound
2362 and add case to handle STRING_TYPE.
2363 * dwarfout.c (output_string_type_die): Fix code to generate
2364 correct string length attribute for fixed length strings.
2365 Still needs support for varying length strings.
2367 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
2369 * toplev.c (get_run_time): Do something sensible for cygwin32.
2371 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
2373 * expr.c (expand_builtin_setjmp): Set
2374 current_function_has_nonlocal_label.
2375 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
2376 call-saved registers across calls.
2378 * alpha.md (exception_receiver): Remove.
2379 (nonlocal_goto_receiver_osf): New
2380 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
2381 (nonlocal_goto_receiver): New, select _osf or _vms.
2383 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
2384 keep them from being propogated to the object file.
2385 (alpha_write_linkage): Likewise.
2386 * alpha.md (call_vms): Likewise.
2387 (call_value_vms): Likewise.
2388 (unnamed osf call insns): Likewise.
2390 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
2391 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2393 * alpha.c (call_operand): Any reg is valid for WinNT.
2394 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
2395 (anon nt calls): Add 'R' alternative.
2396 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
2397 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
2399 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
2401 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
2403 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
2404 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2405 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
2407 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
2409 * reload1.c (new_spill_reg): Improve fixed or forbidden register
2410 spill error message.
2412 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2414 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
2415 use varargs.h. Wrap header with <>, not "".
2417 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
2419 * integrate.c (save_for_inline_copying): Add return value from
2422 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
2424 * fixincludes: Be a little more restrictive on what we will
2425 substitute to replace definitions of MAXINT for HPUX.
2427 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
2429 * dbxout.c (dbxout_symbol_location): Don't assume that variables
2430 whose address is the stack or argument pointers are indirect
2433 1997-11-13 Paul Eggert <eggert@twinsun.com>
2435 * cccp.c, cpplib.c (compare_defs):
2436 Don't complain about arg name respellings unless pedantic.
2437 * cpplib.c (compare_defs): Accept pfile as new arg.
2438 All callers changed.
2440 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2442 * fold-const.c (fold_truthop): Fix bug in last change.
2444 1997-11-13 Paul Eggert <eggert@twinsun.com>
2446 Fix some confusion with IEEE minus zero.
2448 * real.h (REAL_VALUES_IDENTICAL): New macro.
2450 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
2451 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
2453 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
2454 same tree structure as 0.0.
2456 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
2457 macro instead of doing it by hand.
2459 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
2461 * v850/lib1funcs.asm: Minor whitespace changes.
2462 * v850.c: Fix minor formatting problems in many places.
2463 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
2465 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
2467 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
2468 xplus1 when xplus0 is not a register.
2470 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
2472 * flow.c (find_basic_blocks): During marking phase, if we encounter
2473 an insn with a REG_LABEL note, make the target block live and
2474 create an edge from the insn to the target block. Do not make
2475 edges from all blocks to the target block.
2477 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
2479 * confiugre.in: Tweak NCR entries.
2480 * configure: Rebuilt.
2482 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
2484 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
2485 pick apart floating point values, instead of using CONST_DOUBLE_LOW
2486 and CONST_DOUBLE_HIGH.
2488 * rs6000.md (define_splits for DF constants): Use the appropriate
2489 REAL_VALUE_* interface to pick apart DF floating point constants in
2490 a machine independent fashion.
2492 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2494 * fold-const.c (fold_truthop): When changing a one-bit comparison
2495 against zero into a comparison against mask, do a proper sign
2498 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
2500 * except.c: Do not include "assert.h".
2501 (save_eh_status): Turn asserts into conditional aborts.
2502 (restore_eh_status, scan_region): Likewise.
2503 * dwarfout.c: Do not include "assert.h".
2504 (bit_offset_attribute): Turn asserts into conditional aborts.
2505 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
2506 (output_inlined_structure_type_die): Likewise.
2507 (output_inlined_union_type_die): Likewise
2508 (output_tagged_type_instantiation): Likewise.
2509 (dwarfout_file_scope_decl): Likewise.
2510 * dwarf2out.c: Do not include "assert.h"
2511 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
2512 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
2513 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
2514 (add_bit_size_attribute, scope_die_for): Likewise.
2515 (output_pending_types_for_scope): Likewise.
2516 (get_inlined_enumeration_type_die): Likewise.
2517 (get_inlined_structure_type_die): Likewise.
2518 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
2519 (gen_tagged_type_instantiation_die): Likewise.
2521 * flow.c (find_basic_blocks): Refine further to get a more correct
2522 cfg, especially in the presense of exception handling, computed
2523 gotos, and other non-trivial cases. Call abort if an inaccuracy
2524 is detected in the cfg.
2526 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2528 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
2530 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
2531 (skip_white_space): Use whitespace_cr.
2532 (check_newline): Handle whitespace more consistently.
2534 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
2536 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
2537 * i386/xm-cygwin32.h (POSIX): Define.
2539 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
2541 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
2542 is available elsewhere.
2544 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
2546 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
2547 what the instruction can handle.
2549 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
2551 * stmt.c (expand_decl_cleanup_no_eh): New fn.
2553 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
2555 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
2557 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
2558 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
2560 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
2562 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
2563 swap instruction order.
2565 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
2567 * fixinc.svr4 (__STDC__): Add another case.
2569 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2571 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
2572 addresses in the epilogue delay slot.
2574 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
2576 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
2577 in generated `specs' file.
2579 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
2581 * flags.h (flag_rerun_loop_opt): Declare.
2582 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
2583 * toplev.c (flag_rerum_loop_opt): Delete static.
2585 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2587 Bring over from FSF:
2589 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2591 * va-sh.h (__va_arg_sh1): Define.
2593 SH3E doesn't use any integer registers for subsequent arguments
2594 once a non-float value was passed in the stack.
2595 * sh.c (machine_dependent_reorg): If optimizing, put explicit
2596 alignment in front label for ADDR_DIFF_VEC.
2597 * sh.h (PASS_IN_REG_P): Fix SH3E case.
2598 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
2600 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2602 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
2605 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2607 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
2608 put an use_sfunc_addr before each sfunc.
2609 * sh.md (use_sfunc_addr, dummy_jump): New insns.
2610 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
2612 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2614 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
2616 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
2618 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
2621 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
2623 * alias.c (find_base_value): Only return the known base value for
2626 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
2628 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
2629 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
2631 (prologue_get_pc_and_set_got): New pattern.
2633 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
2635 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
2636 for SUBREG, just fall through.
2638 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2640 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2642 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2644 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2646 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2647 (USE_HOST_ALLOCA): Likewise.
2649 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2650 and LABEL_REFS fields.
2651 * rtl.h (LABEL_REFS): Update.
2653 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2655 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2656 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2657 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2660 * mips.md (insv, extzv, extv): Add change_address call.
2661 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2663 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2665 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2667 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2668 save_restore_insns if no FP and GP will be restored.
2670 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2671 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2673 * acconfig.h (HAVE_INTTYPES_H): Undef.
2674 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2675 and inttypes.h, and verify that intmax_t is defined.
2676 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2677 * config/mips/x-iris3: Likewise.
2679 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2681 * alias.c (find_base_value): When copying arguments, return the
2682 tenative value for a hard register.
2684 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2686 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2687 (yylex): Record wide strings using target endianness, not host.
2689 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2691 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2692 (ASM_OUTPUT_ALIGNED_BSS): New macro
2693 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2694 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2695 * v850.h (ASM_OUTPUT_BSS): Delete.
2696 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2698 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2700 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2702 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2704 * configure.in (sco5): Use cpio to install header files.
2706 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2708 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2710 * configure: Rebuild.
2712 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2714 * i386/sco5.h: enable -gstabs once again.
2716 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2718 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2720 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2722 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2723 notes for sjlj exceptions too.
2724 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2725 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2726 * final.c (final_scan_insn): Don't output labels for EH REGION
2727 notes if doing sjlj exceptions.
2729 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2731 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2732 optimizing correctly.
2734 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2735 or set current_function_calls_setjmp anymore.
2737 * flow.c (find_basic_blocks): If we delete the label for an
2738 exception handler, remove it from the EH label list and remove
2739 the EH_BEGIN/EH_END notes for that EH region.
2741 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2743 * flow.c (find_basic_blocks): Generate correct flow control
2744 information when exception handling notes are present.
2746 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2748 * dwarf2out.c (output_call_frame_info): Fix length argument
2749 to ASM_OUTPUT_ASCII.
2750 (output_die, output_pubnames, output_line_info): Likewise.
2752 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2754 * version.c: Bump for snapshot.
2756 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2757 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2758 flag_debug_asm is on.
2759 (output_die, output_pubnames, output_line_info): Likewise.
2761 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2762 and static_chain_rtx into the potential base values array if
2765 * alias.c (new_reg_base_value): New array of potential base values.
2766 (unique_id): Now file scoped static.
2767 (find_base_value, case REG): Return the value in reg_base_value
2768 array for the REG if it exists. Else, return the value from
2769 new_reg_base_value if copying args and REG is a hard register.
2770 (find_base_value, case PLUS): If either operand of the PLUS is
2771 a REG, try to get its base value. Handle base + index and
2773 (record_set): Use new_reg_base_value instead of reg_base_value.
2774 (init_alias_analysis): Allocate space for new_reg_base_value too.
2775 Rework code to iterate over the insns propagating base value
2776 information until nothing changes.
2778 * global.c (global_alloc): Free the conflict matrix after
2779 reload has finished.
2781 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2783 * libgcc2.c (L_eh): Define __eh_pc.
2784 Replace __eh_type with generic pointer __eh_info.
2786 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2788 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2789 use copy_to_reg if address is not a general_operand.
2791 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2793 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2794 for the duration of the call to rest_of_compilation.
2796 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2798 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2800 (sparc*-*-*): Recognize --with-cpu=v9.
2801 * sparc/elf.h: New file.
2802 * sparc/t-elf: New file.
2804 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2806 * mn10300.c (const_8bit_operand): New function.
2807 (mask_ok_for_mem_btst): New funtion.
2808 * mn10300.md (btst patterns with mem operands): Use new functions
2809 to avoid creating btst instructions with invalid operands.
2811 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2813 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2814 are running on PowerPC Linux.
2816 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2818 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2819 if not previously defined.
2821 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2823 * function.c (assign_parms): Correct mode of stack_parm if
2824 entry_parm underwent a mode conversion.
2826 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2828 * global.c (global_alloc): Use xmalloc instead of alloca for
2829 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2830 than 2.5Mb sometimes.
2832 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2834 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2835 DEST for the spill, adjust mode of SRC to compensate.
2837 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2839 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2840 since any_memory_operand() allows pseudos during reload.
2841 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2843 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2845 * m68k.md (btst patterns): Add 5200 support.
2847 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2849 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2850 optimizations, look inside dividend to determine if the expression
2851 can be simplified by using EXACT_DIV_EXPR.
2853 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2856 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2858 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2860 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2862 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2864 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2867 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2869 * alpha.md (movqi, movhi): Make sure new insns created during reload
2870 won't need reloading themselves.
2871 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2873 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2875 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2877 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2879 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2880 Patch from Klaus Kaempf <kkaempf@progis.de>.
2882 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2884 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2885 to an element in a constant string.
2887 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2889 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2890 bit PC-relative offset. The exception range table pointer is now in
2892 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2893 (count_fdes, add_fdes, get_cie): Adjust.
2894 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2897 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2899 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2901 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2902 like stack_pointer_rtx.
2904 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2906 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2907 targets using "$@" to provide support for similar but not identical
2908 targets without having to duplicate code.
2909 (bootstrap4): New goal.
2911 * Makefile.in (compare, compare-lean, compare3): Combined to one
2912 ruleset determining actions to be performed via $@.
2913 (compare4, compare4-lean): New targets.
2914 (gnucompare, gnucompare3): Combined to one ruleset determining
2915 actions to be performed via $@. Also, note which files failed
2916 the comparison test in .bad_compare.
2917 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2919 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2921 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2922 if the dividend is a multiple of the divisor.
2924 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2926 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2928 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2931 * alias.c (true_dependence): Fix typo.
2933 * toplev.c (flag_rerun_loop_opt): New variable.
2934 (f_options): Handle -frerun-loop-opt.
2935 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2937 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2939 * loop.c (simplify_giv_expr): Adding two invariants results
2942 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2944 * expr.c (get_inner_reference): Remove the array bias after
2945 converting the index to Pmode.
2947 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2949 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2950 (TARGET_MULT_BUG): Define.
2951 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2952 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2954 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2956 * mn10200.c (indirect_memory_operand): Delete unused function.
2957 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2958 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2960 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2962 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2963 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2964 for more than scheduling.
2966 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2968 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2970 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2972 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2973 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2974 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2976 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2978 * version.c: Bump for snapshot.
2980 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2982 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2985 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2987 * toplev.c (flag_exceptions): Default value is 2.
2988 (compile_file): If flag_exceptions still has the value 2, then
2991 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2992 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2993 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2995 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2998 * rs6000.md (*movsi_got_internal_mem): New pattern.
2999 (*movsi_got_internal_mem splitter): New define_split.
3001 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3003 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3005 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3007 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3008 only need to save LR.
3010 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3012 * mn10300.md (movqi, movhi): Avoid using address registers as
3013 destinations unless absolutely necessary.
3015 * mn10200.c (expand_prologue): Fix typo.
3017 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3019 * mn10200.md (neghi2): Provide an alternative which works if
3020 the input and output register are the same.
3022 * mn10300.c (print_operand): Handle 'S'.
3023 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3024 shift amount in last alternative
3026 * mn10300.c (expand_epilogue): Rework to handle register restores
3027 in "ret" and "retf" instructions correctly.
3029 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3031 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3032 extzv for memory operands.
3034 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3035 redundant conditional moves to single operand.
3037 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3039 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3042 * xm-v850.h: Use __v850 rather than __v850__ to
3045 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3047 * mips/mips.c (compute_frame_size): Not a leaf function if
3050 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3052 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3054 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3056 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3057 (DEFAULT_ARCH32_P): New macro.
3058 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3059 (enum cmodel): Declare.
3060 (sparc_cmodel_string,sparc_cmodel): Declare.
3061 (SPARC_DEFAULT_CMODEL): Provide default.
3062 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3063 (TARGET_FULLANY): Deleted.
3064 (TARGET_CM_MEDMID): New macro.
3065 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3066 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3067 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3068 (CPP_SPEC): Rewrite.
3069 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3070 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3071 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3072 (ASM_SPEC): Add %(asm_arch).
3073 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3074 Rename asm_default to asm_cpu_default.
3075 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3076 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3077 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3078 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3079 (MASK_INT64,MASK_LONG64): Delete.
3080 (MASK_ARCH64): Renamed to MASK_64BIT.
3081 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3082 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3083 (TARGET_SWITCHES): Always provide 64 bit options.
3084 (ARCH64_SWITCHES): Delete.
3085 (TARGET_OPTIONS): New option -mcmodel=.
3086 (INT_TYPE_SIZE): Always 32.
3087 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3088 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3089 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3090 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3091 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
3093 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3094 * sparc/linux.h: Likewise.
3095 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
3096 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3097 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
3098 (SPARC_DEFAULT_CMODEL): Define.
3099 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3100 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3101 (LONG_DOUBLE_TYPE_SIZE): Define.
3102 (ASM_SPEC): Add %(asm_arch).
3103 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3104 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3105 (TARGET_CPU_DEFAULT): Add ultrasparc case.
3106 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
3107 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
3108 (SPARC_DEFAULT_CMODEL): Define.
3109 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
3110 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
3111 MASK_LONG64, MASK_MEDANY.
3112 (SPARC_DEFAULT_CMODEL): Define.
3113 (CPP_PREDEFINES): Delete.
3114 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
3115 (ASM_SPEC): Add %(asm_arch).
3116 (LONG_DOUBLE_TYPE_SIZE): Define.
3117 (DWARF2_DEBUGGING_INFO): Define.
3118 * sparc/splet.h (CPP_SPEC): Delete.
3119 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
3120 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
3121 (BLOCK_PROFILER): Likewise.
3122 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
3123 (sparc_override_options): Handle code model selection.
3124 (sparc_init_expanders): Renamed from sparc64_init_expanders.
3125 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
3126 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
3127 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
3128 (sethi_di_fullany): Delete.
3130 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
3131 Jeff Law <law@cygnus.com>
3132 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3134 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
3135 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
3136 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
3137 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
3138 * alpha/alpha.md (arg_home): Likewise.
3140 * alpha/alpha.c (vmskrunch): Delete
3141 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
3142 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
3143 truncate to 64 characters.
3145 * make-l2.com: Support openVMS/Alpha.
3147 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
3149 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3151 * longlong.h (count_leading_zeros): Add missing casts to USItype.
3153 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
3155 * i386/bsd386.h (ASM_COMMENT_START): Define.
3157 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3159 * tree.c (restore_tree_status): Also free up temporary storage
3160 when we finish a toplevel function.
3161 (dump_tree_statistics): Print stats for backend obstacks.
3163 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
3165 * expr.c (use_group_regs): Don't call use_reg for MEMs.
3167 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3169 * libgcc2.c (__throw): Don't copy the return address.
3170 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
3172 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
3173 * toplev.c (main): Initialize exceptions_via_longjmp.
3175 * tree.c: Add extra_inline_obstacks.
3176 (save_tree_status): Use it.
3177 (restore_tree_status): If this is a toplevel inline obstack and we
3178 didn't want to save anything on it, recycle it.
3179 (print_inline_obstack_statistics): New fn.
3180 * function.c (pop_function_context_from): Pass context to
3181 restore_tree_status.
3182 * obstack.h (obstack_empty_p): New macro.
3184 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
3186 * i386/freebsd.h (ASM_COMMENT_START): Fix.
3188 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
3190 * v850.c (ep_memory_offset): New function.
3191 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
3193 * v850.h (CONST_OK_FOR_*): Add and correct comments.
3194 (CONSTANT_ADDRESS_P): Add comment.
3195 (EXTRA_CONSTRAINT): Define 'U'.
3196 * v850.md: Add comments on bit field instructions.
3197 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
3198 (lshrsi3): Use N not J constraint.
3200 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
3202 * v850.c (reg_or_0_operand): Call register_operand.
3203 (reg_or_int5_operand): Likewise.
3204 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
3205 (TARGET_SWITCHES): Add "big-switch".
3206 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
3207 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
3208 (CASE_DROPS_THROUGH): Comment out.
3209 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
3210 * v850.md (cmpsi): Delete compare mode.
3211 (casesi): New pattern.
3213 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
3214 * v850.md (ashlsi3): Use SImode not QImode for shift count.
3215 (lshrsi3): Likewise.
3217 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
3218 unreachable switch statement after 'b' support. Remove "b" from
3219 strings for 'b' support.
3220 * v850.md (branch_normal, branch_invert): Change %b to b%b.
3222 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
3224 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
3225 empty line if @inhibit_libc@ is empty.
3227 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
3229 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
3230 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
3231 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3232 (DWARF2_UNWIND_INFO): Let this track object file format.
3233 (EXTRA_SECTIONS): Add in_eh.
3234 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
3235 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
3237 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3239 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
3240 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
3242 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
3243 (output_double_int): Output DI mode values correctly when
3244 HOST_BITS_PER_WIDE_INT is 64.
3245 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
3246 fmovd so it works if a quad float ends up in one of the upper 32
3248 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
3249 necessary for PIC support on sparc64.
3251 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
3253 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
3254 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
3255 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
3256 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
3257 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
3258 (SPARC_FP_ARG_FIRST): New macro.
3259 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
3260 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
3261 (NPARM_REGS): There are 32 fp argument registers now.
3262 (FUNCTION_ARG_REGNO_P): Likewise.
3263 (FIRST_PARM_OFFSET): Update to new v9 abi.
3264 (REG_PARM_STACK_SPACE): Define for arch64.
3265 (enum sparc_arg_class): Delete.
3266 (sparc_arg_count,sparc_n_named_args): Delete.
3267 (struct sparc_args): Redefine and use for arch32 as well as arch64.
3268 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
3269 (FUNCTION_ARG_ADVANCE): Rewrite.
3270 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
3271 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
3272 (FUNCTION_ARG_CALLEE_COPIES): Delete.
3273 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
3274 (STRICT_ARGUMENT_NAMING): Define.
3275 (doublemove_string): Declare.
3276 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
3277 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
3278 (doublemove_string): New function.
3279 (output_move_quad): Clean up some of the arch64 support.
3280 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
3281 Don't add 8 bytes of reserved space if arch64.
3282 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
3283 (init_cumulative_args): New function.
3284 (function_arg_slotno): New static function.
3285 (function_arg,function_arg_partial_nregs): New functions.
3286 (function_arg_{pass_by_reference,advance}): New functions.
3287 (function_arg_padding): New function.
3288 * ginclude/va-sparc.h: Rewrite v9 support.
3290 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3292 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
3293 for hard regs to determine base and index registers.
3295 * reload.c (debug_reload_to_stream): New function. Specify stream
3296 into which to write debug info.
3297 (debug_reload): Modify to call debug_reload_to_stream with stderr.
3299 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
3301 * combine.c (can_combine_p): Don't combine with an asm whose
3302 output is a hard register.
3304 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
3306 * c-decl.c (start_struct): Ensure that structs with forward
3307 declarations are in fact packed when -fpack-struct is given.
3309 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
3310 we are packing a structure. This allows a structure with only
3311 bytes to be aligned on a byte boundary and have no padding on a
3314 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3316 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3318 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
3320 * alpha.c (alpha_return_addr_rtx): New variable.
3321 (alpha_save_machine_status): New; save it.
3322 (alpha_restore_machine_status): New; restore it.
3323 (alpha_init_expanders): New; clear it.
3324 (alpha_return_addr): New; set it.
3325 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
3326 is overly conservative, so search the insns explicitly.
3327 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
3328 (alpha_sa_size [VMS && !VMS]): Likewise.
3329 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3330 (INIT_EXPANDERS): New definition.
3332 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
3333 (output_prolog [!VMS]): Use them.
3335 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
3336 (alpha_does_function_need_gp): ... a new function. Refine the
3337 CALL_INSN test to just TYPE_JSR.
3338 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
3340 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
3342 * version.c: Bump for snapshot.
3344 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3346 * pa.c (move_operand): Respect -mdisable-indexing.
3347 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
3349 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
3351 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
3353 (umulsidi3,umulsi3_highpart): Ditto.
3354 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
3356 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
3358 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
3359 (alpha_handle_trap_shadows): ... a new function. Handle the entire
3360 function in one go. Emit RTL for trapb, instead of printf directly.
3361 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
3362 (trap_pending): Kill global variable.
3363 (output_epilog): Don't call final_prescan_insn.
3364 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
3365 * alpha.h (FINAL_PRESCAN_INSN): Remove.
3366 (MACHINE_DEPENENT_REORG): Define.
3367 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
3370 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
3372 Tune Haifa scheduler for Alpha:
3373 * alpha.h (ISSUE_RATE): Define.
3374 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
3375 EV4 adjustments to EV5.
3376 * alpha.md: Remove all scaling from function unit delays. Rework
3377 EV5 function units to match the CPU.
3378 (umuldi3_highpart): EV5 added the IMULH insn class.
3380 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
3382 * pa.c (following_call): Fail if the CALL_INSN is an indirect
3385 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
3387 * cplus-dem.c (demangle_signature): Don't look for return types on
3388 constructors. Handle member template constructors.
3390 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
3392 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
3393 * tree.h: Declare them.
3395 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
3397 * configure.in: Handle --with-newlib.
3398 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
3400 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
3402 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
3404 * config/ptx4.h: Fix typo.
3406 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
3408 * version.c: Bump for snapshot.
3410 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
3412 * aclocal.m4: Substitute INSTALL.
3413 * configure: Re-built.
3415 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
3417 * integrate.c (save_for_inline_copying): Avoid undefined pointer
3419 (expand_inline_function): Likewise.
3421 * dwarf2out.c (output_call_frame_info): Reinstate last change
3422 using flag_debug_asm check instead of flag_verbose_asm.
3424 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
3426 * dwarf2out.c (output_call_frame_info): Remove last change.
3428 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3430 * frame.c (__frame_state_for): Execute the FDE insns until the
3431 current pc value is strictly bigger than the target pc value.
3433 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
3435 * regclass.c (init_reg_modes): If we can't find a mode for the
3436 register, use the previous one.
3438 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
3440 * haifa-sched.c (print_block_visualization): Call fprintf directly,
3441 don't sprintf through an alloca'ed buffer.
3443 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
3445 * reload.c (decompose): Always initialize val.base.
3447 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3449 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
3450 instead of aborting.
3451 * dwarf2out.c (output_call_frame_info): Call app_enable and
3452 app_disable to let GNU as accept the generated comments.
3454 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
3456 * tree.h (get_file_function_name): Add declaration.
3457 * dwarf2out.c (output_call_frame_info): No need to cast
3458 get_file_function_name call anymore.
3459 * profile.c (toplevel): Remove get_file_function_name
3461 * c-lang.c (finish_file): Ditto.
3463 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
3465 * Makefile.in (program_transform_name): Let autoconf substitute
3468 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
3470 * haifa-sched.c (schedule_block): If the first real insn in a
3471 block has any special notes attached to it, remove them.
3473 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
3475 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
3477 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
3479 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
3481 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
3483 * Makefile.in (check-g77): New test target.
3484 (CHECK-TARGETS): Add check-g77.
3486 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3488 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
3490 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
3492 * flow.c (print_rtl_with_bb): Cast alloca return value for
3495 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
3497 * i386.h (RETURN_ADDR_RTX): New definition that works for
3498 __builtin_return_address(0) and -fomit-frame-pointer.
3500 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
3502 Bring over from FSF.
3503 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3505 * mips.c (function_arg): Handle passing a struct
3506 containing a double in a DFmode register without the PARALLEL.
3508 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
3510 * pexecute.c: Use spawn if __CYGWIN32__.
3512 * pexecute.c: Include "config.h" first, as per autoconf manual
3513 (from Paul Eggert <eggert@twinsun.com>).
3515 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3517 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
3518 optimisation for f/expr.o and f/stb.o.
3520 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
3522 * cse.c (this_insn_cc0_mode): Initialize.
3524 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
3526 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
3528 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
3530 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
3532 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
3533 that pair will dual-issue on the 21164 and plus+beq won't.
3534 (bne): Likewise for cmpeq+beq.
3536 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
3538 * except.c (find_exception_handler_labels): Correct argument to free.
3540 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
3542 * except.c (find_exception_handler_labels): Free LABELS when we're
3545 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
3547 * version.c: Bump for snapshot.
3549 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3551 * flow.c (find_basic_blocks): Mark calls as potentially jumping
3554 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
3556 * configure.in: Substitute for "install" too.
3557 * configure: Rebuilt.
3559 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
3561 * Makefile.in (bootstrap-lean, compare-lean): New targets.
3563 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
3565 * alias.c (base_alias_check): Two symbols can conflict if they
3566 are accessed via AND.
3567 (memrefs_conflict_p): Likewise.
3569 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
3570 after flushing argument registers to the stack.
3572 * Makefile.in (mostlyclean): Remove .regmove files.
3574 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3576 * libgcc2.c (__throw): Fix thinko.
3578 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
3580 * cplus-dem.c (demangle_template): Add new parameter. Handle new
3581 template-function mangling.
3582 (consume_count_with_underscores): New function.
3583 (demangle_signature): Handle new name-mangling scheme.
3585 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3587 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
3590 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
3592 * frame.c: Remove last change.
3593 * dwarf2.h: Remove last change.
3594 * tree.h: Add declarations of DWARF2 unwind info support
3597 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3599 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
3600 * tree.h (built_in_function): Likewise.
3601 * expr.c (expand_builtin): Likewise.
3602 * except.h: Likewise.
3603 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
3604 * libgcc2.c (copy_reg): New fn.
3607 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
3609 * c-typeck.c (build_binary_op): Warn about comparing signed vs
3610 unsigned if -W is specified and -Wno-sign-compare is not.
3611 * c-decl.c (warn_sign_compare): Initialize to -1.
3612 (c_decode_option): -Wall no longer implies -Wsign-compare.
3614 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3616 * frame.c: Include gansidecl.h for PROTO.
3617 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
3618 defined. Don't declare dwarf2out_cfi_label here.
3619 * dwarf2.h: Add declarations of DWARF2 unwind info support
3621 * m68k.c: Include dwarf2.h.
3622 (output_function_prologue): Add dwarf2 support.
3623 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
3624 (INCOMING_FRAME_SP_OFFSET): Likewise.
3626 * integrate.c (expand_inline_function): Make sure there is at
3627 least one insn that can be used as an insertion point.
3629 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3631 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
3633 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
3635 * version.c: Bump for snapshot.
3637 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3639 Bring over from FSF.
3641 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3643 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3644 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3645 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3647 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3649 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3650 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3652 (sparc_align_{loops,jumps,funcs}_string): Declare.
3653 (sparc_align_{loops,jumps,funcs}): Declare.
3654 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3655 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3656 (STACK_BIAS): Define.
3657 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3659 (SPARC_SETHI_P): New macro.
3660 (CONST_OK_FOR_LETTER_P): Use it.
3661 (ASM_OUTPUT_ALIGN_CODE): Define.
3662 (ASM_OUTPUT_LOOP_ALIGN): Define.
3663 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3664 (sparc_align_{loops,jumps,funcs}): New globals.
3665 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3667 (move_operand): Use SPARC_SETHI_P.
3668 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3670 (arith11_double_operand): Likewise.
3671 (arith10_double_operand): Likewise.
3672 (finalize_pic): Finish sparc64 support.
3673 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3674 64 bit constants if able.
3675 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3676 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3678 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3679 (get_pc_sp32): Use for sparc64 as well.
3680 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3681 (sethi_di_sp64_const): Likewise.
3682 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3683 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3684 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3686 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3688 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3689 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3690 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3692 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3694 Add sparc64 linux support.
3695 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3696 to xm_file list on 32-bit sparc-linux.
3697 * sparc/xm-sp64.h: New file.
3698 * sparc/linux64.h: New file.
3699 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3700 Don't include xm-sparc.h.
3701 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3702 * glimits.h (LONG_MAX): Handle sparc64.
3704 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3706 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3707 * sparc.h (ASM_COMMENT_START): Define.
3708 * sparc.c (output_function_prologue): Use it.
3709 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3711 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3713 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3714 use sparc.h's copies.
3715 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3718 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3720 * sparc.c (dwarf2out_cfi_label): Add declaration.
3721 (save_regs, output_function_prologue): Remove cast for it.
3722 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3723 ({save,restore}_regs): No longer inline.
3725 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3727 * fold-const.c (make_range): Correctly handle cases of converting
3728 from unsigned to signed type.
3730 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3732 * fold-const.c (merge_ranges): Make sure that if one range is subset
3733 of another, it will always be the second range. Correct (+,-) case to
3736 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3738 * final.c (final_end_function): Also do dwarf2 thing if
3739 DWARF2_DEBUGGING_INFO.
3740 (final_start_function): Likewise.
3742 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3744 * expmed.c (expand_divmod): If compute_mode is not the same as
3745 mode, handle the case where convert_modes() causes op1 to no
3746 longer be a CONST_INT.
3748 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3749 note holding get_jump_flags() calculation to all JUMP_INSNs.
3750 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3751 * rtl.c (reg_note_name): Add new note types.
3753 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3755 * rtlanal.c (computed_jump_p): Fix typo in last change.
3757 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3759 * loop.c (indirect_jump_in_function_p): Return 0
3762 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3764 * rs6000/xm-rs6000.h: Fix thinko in last change.
3765 * rs6000/xm-sysv4.h: Likewise.
3767 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3769 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3771 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3773 * reg-stack.c (find_blocks): Fix thinko in last change.
3775 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3777 * m68k.c (output_function_prologue): Add dwarf2 support.
3779 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3780 INCOMING_FRAME_SP_OFFSET): New definitions.
3782 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3784 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3785 appropriate in calls to gen_rtx().
3786 * cse.c (cse_main): Likewise.
3787 * emit-rtl.c (gen_label_rtx): Likewise.
3788 * expr.c (init_expr_once): Likewise.
3789 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3790 sched_analyze, init_rgn_data_dependences,
3791 compute_block_backward_dependences): Likewise.
3792 * sched.c (schedule_insns): Likewise.
3793 * varasm.c (immed_double_const): Likewise.
3795 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3796 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3798 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3800 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3801 (MULTILIB_DEFAULTS): Define.
3802 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3803 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3804 (LIBGCC_SPEC): Likewise.
3805 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3806 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3807 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3808 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3809 (EXTRA_PARTS, TAROUTOPTS): Delete.
3810 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3811 (MULTILIB_OPTIONS): Define.
3812 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3813 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3815 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3817 * version.c: Bump for snapshot.
3819 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3821 * loop.c (loop_number): Delete function. Change all references
3822 to use uid_loop_num array.
3823 * loop.h (loop_number): Delete declaration.
3824 * unroll.c (unroll_loop): Change "loop_number" references to
3825 use uid_loop_num instead.
3827 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3829 (loop_unroll_iter): Remove unused variable and all references.
3830 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3831 (insert_bct): Fix minor formatting problems.
3832 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3833 (loop_unroll_iter): Removed unused decl.
3834 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3835 Always record the unrolling factor.
3837 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3838 Similarly for h1u and h1s.
3840 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3841 (find_basic_blocks): Use computed_jump_p to determine if a
3842 particular JUMP_INSN is a computed jump.
3843 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3844 if a particular JUMP_INSN is a computed jump.
3845 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3846 (computed_jump_p): Likewise.
3847 * rtl.h (computed_jump_p): Declare.
3848 * genattrtab.c (pc_rtx): Define and initialize.
3849 * loop.c (loop_optimize): Always determine if the current
3850 function has a computed jump.
3851 (indirect_jump_in_function_p): Use computed_jump_p to determine
3852 if a particular JUMP_INSN is a computed jump.
3854 * loop.c (fix_bct_param): Delete unused function.
3855 (check_bct_param): Likewise.
3857 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3859 * frame.c (__deregister_frame): Check properly for initialized object.
3861 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3863 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3865 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3867 * jump.c (thread_jumps): check can_reverse_comparison_p before
3868 threading a reversed-condition jump.
3870 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3871 * haifa-sched.c (update_flow_info): Likewise.
3873 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3875 * Makefile.in (BOOT_CFLAGS): Use -O2.
3877 * configure.in (strtoul, bsearch): Have autoconf check for these
3879 * configure, config.in: Rebuilt.
3881 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3882 * mips/mips.h (alloca): Likewise.
3883 * rs6000/xm-rs6000.h (alloca): Likewise.
3884 * rs6000/xm-sysv4.h: Likewise.
3886 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3888 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3889 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3890 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3892 * except.c (end_eh_unwinder): Subtract 1 from return address.
3893 * libgcc2.c (__throw): Likewise.
3894 (find_exception_handler): Don't change PC here. Compare end with >.
3896 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3898 * v850.c (compute_register_save_size): Correct register
3900 * v850.md (save_interrupt, return_interrupt): Correct
3902 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3903 (return_interrupt): Use stack pointer, not element pointer.
3905 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3907 * configure.in, configure: Make sure to create the stage* and include
3908 symbolic links in each subdirectory.
3910 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3912 * pa.md (reload_peepholes): Don't allow addresses with side
3913 effects for the memory operand.
3915 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3917 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3918 looking for a handler, to avoid hitting the beginning of the next
3921 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3923 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3925 * mips/abi64.h (LONG_MAX_SPEC): Define.
3926 * mips.h (LONG_MAX_SPEC): Define.
3927 (CPP_SPEC): Include long_max_spec.
3928 (EXTRA_SPECS): Include long_max_spec.
3930 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3932 * v850.c (construct_save_jarl): Fix thinko in last change.
3934 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3936 * version.c: Bump for snapshot.
3938 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3940 * libgcc2.c (find_exception_handler): Not found is -1.
3942 * integrate.c (expand_inline_function): Move expand_start_bindings
3943 after expanding the arguments.
3945 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3947 * expr.c (expand_expr): Remove previous incorrect change.
3948 If target and slot has no DECL_RTL, then call mark_addressable
3949 again for the slot after we give it RTL.
3951 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3953 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3954 again for the slot after we give it RTL.
3956 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3958 * v850.c (register_is_ok_for_epilogue,
3959 pattern_is_ok_for_epilogue, construct_restore_jr,
3960 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3962 * v850.h (pattern_is_ok_for_prologue,
3963 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3966 * v850.md: Replace prologue and epilogue patterns with a
3967 match_parallel pattern.
3969 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3971 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3972 * configure.in: Use EGCS_PROG_INSTALL.
3974 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3976 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3977 extern inline function.
3979 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3981 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3982 (concat_loc_descriptor): New function.
3983 (loc_descriptor): Call it.
3984 (add_AT_location_description): Also elide the descriptor if both
3985 halves of a CONCAT are pseudos.
3986 (add_location_or_const_value_attribute): Recognize CONCAT too.
3988 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3990 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3992 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3993 out-or-range reg_offset.
3994 (output_epilog): Likewise.
3996 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3998 * cse.c (simplify_relational_operation): If MODE specifies a
3999 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4000 is derived from the sign bit of the low word.
4002 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4004 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4006 * dwarf2.h: Add DW_CFA_GNU_args_size.
4007 * frame.c (execute_cfa_insn): Likewise.
4008 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4009 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4010 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4011 insn, hand it off to dwarf2out_stack_adjust.
4012 (dwarf2out_begin_prologue): Initialize args_size.
4013 * frame.h (struct frame_state): Add args_size.
4014 * libgcc2.c (__throw): Use args_size.
4015 * final.c (final_scan_insn): If we push args, hand off all insns
4016 to dwarf2out_frame_debug.
4017 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4019 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4020 Handle epilogue restore of SP from FP.
4021 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4022 lone insn has RTX_FRAME_RELATED_P set.
4024 * frame.c (extract_cie_info): Handle "e" augmentation.
4025 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4026 absence of UNALIGNED_*_ASM_OP.
4027 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4028 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4029 Don't emit augmentation fields length.
4030 (dwarf2out_do_frame): Move outside of #ifdefs.
4031 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4034 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4035 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4036 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4037 * sparc/sun4gas.h: New file.
4038 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4040 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4041 __register_frame_table and __deregister_frame.
4043 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4045 * except.c (find_exception_handler_labels): Use xmalloc instead of
4046 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4049 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4051 * Makefile.in: Various changes to build info files
4052 in the object tree rather than the source tree.
4054 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4056 * fixinc.math: New file to fix math.h on some systems.
4057 * configure.in (freebsd, netbsd): Use fixinc.math on these
4059 * configure: Rebuilt.
4061 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4063 * regmove.c (regmove_optimize): If we end up moving the
4064 original insn due to lifetime overlaps, make sure to move
4067 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4069 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4071 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4073 * haifa-sched.c (add_branch_dependences): Make each insn in
4074 a SCHED_GROUP_P block explicitly depend on the previous insn.
4076 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4078 * except.h: Prototype dwarf2 hooks.
4081 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4083 * configure.in (native_prefix): Delete.
4084 (mips-dec-netbsd): Don't set prefix.
4085 (*linux*): Don't set prefix.
4087 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4089 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4090 defined. If not defined, include <sys/varargs.h> if
4091 HAVE_SYS_VARARGS_H is defined.
4092 * configure.in: Test for varargs.h and sys/varargs.h.
4093 * configure: Regenerate with autoconf.
4094 * config.in: Regenerate with autoheader.
4096 * cpplib.c (quote_string): Cast first arg of sprintf call
4097 from "unsigned char *" to "char *".
4098 (output_line_command): Ditto.
4099 (macroexpand): Ditto.
4100 (do_line): Cast atoi arg from "unsigned char *" to "char *".
4102 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
4104 * version.c: Bump for snapshot.
4106 * Makefile.in (compare): Exit with nonzero status if there
4107 are comparison failures. Note which files failed the
4108 comparison test in .bad_compare.
4110 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4112 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
4114 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
4116 * Makefile.in (LN, LN_S): New macros, use where appropriate.
4117 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
4118 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
4119 * configure: Regenerated.
4121 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
4123 * loop.c (strength_reduce): Fix typo.
4125 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
4127 * m88k/m88k.c (struct option): Rename to struct options.
4128 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
4129 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
4130 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
4131 __DOLPHIN__ or sysV88.
4133 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
4135 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
4138 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
4140 * config.sub: Accept 'amigados' for backward compatability.
4142 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4144 * Makefile.in (testsuite/site.exp): New target.
4145 (check-gcc, check-g++): Depend on testsuite/site.exp.
4146 Don't stop for failure.
4148 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4150 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
4151 if DWARF2_UNWIND_INFO.
4153 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
4155 Add support for exception handling using DWARF 2 frame unwind info.
4156 Currently works on SPARC and MIPS, and almost on x86.
4158 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
4159 next_stack_level, in_reg_window): Helper fns.
4160 (__throw): Implement for DWARF2_UNWIND_INFO.
4162 * expr.c (expand_builtin): Handle builtins used by __throw.
4163 * tree.h (enum built_in_function): Add builtins used by __throw.
4164 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
4165 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
4166 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
4167 (expand_builtin_extract_return_addr): Likewise.
4168 (expand_builtin_frob_return_addr): Likewise.
4169 (expand_builtin_set_return_addr_reg): Likewise.
4170 (expand_builtin_eh_stub): Likewise.
4171 (expand_builtin_set_eh_regs): Likewise.
4172 (eh_regs): Choose two call-clobbered registers for passing back values.
4174 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
4175 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
4176 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
4177 (stmp-multilib): Likewise.
4178 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
4180 * except.c: #include "defaults.h".
4181 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
4182 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
4183 (register_exception_table_p): New fn.
4184 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
4185 (end_eh_unwinder): Likewise.
4187 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
4188 call __register_frame and __deregister_frame as needed.
4189 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
4190 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
4191 EH_FRAME_SECTION_ASM_OP.
4192 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
4193 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
4194 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
4196 * dwarf2out.c (output_call_frame_info): If no support for
4197 EXCEPTION_SECTION, mark the start of the frame info with a
4199 * collect2.c (frame_tables): New list.
4200 (is_ctor_dtor): Recognise frame entries.
4201 (scan_prog_file): Likewise.
4202 (main): Pass -fno-exceptions to sub-compile. Also do collection
4203 if there are any frame entries.
4204 (write_c_file_stat): Call __register_frame_table and
4205 __deregister_frame as needed.
4206 (write_c_file_glob): Likewise.
4208 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
4209 Also require unaligned reloc support.
4210 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4211 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
4212 * sparc/sysv4.h: Not here.
4214 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
4215 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
4216 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
4218 * libgcc2.c (L_eh): Reorganize, moving code shared by different
4219 EH implementations to the top.
4220 (find_exception_handler): Split out. Start from 0. Compare against
4222 (__find_first_exception_table_match): Use it.
4223 * except.c (output_exception_table): Don't do anything if there's
4224 no table. Don't output a first entry of zeroes.
4225 (eh_outer_context): Adjust properly.
4226 (add_eh_table_entry): Use xrealloc.
4227 * toplev.c (compile_file): Just call output_exception_table.
4229 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
4231 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
4233 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
4235 * except.c (eh_outer_context): Do masking using expand_and.
4237 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
4239 Add port done awhile ago for the ARC cpu.
4240 * arc/arc.h: New file.
4241 * arc/arc.c: New file.
4242 * arc/arc.md: New file.
4243 * arc/initfini.c: New file.
4244 * arc/lib1funcs.asm: New file.
4245 * arc/t-arc: New file.
4246 * arc/xm-arc.h: New file.
4247 * ginclude/va-arc.h: New file.
4248 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
4249 * ginclude/varargs.h: Likewise.
4250 * Makefile.in (USER_H): Add va-arc.h.
4251 * configure.in (arc-*-elf*): Recognize.
4252 * longlong.h: Add ARC support.
4254 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
4256 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
4257 when clearing non-BLKmode data.
4259 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
4261 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
4262 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
4264 * xm-m88k.h (USG): Only define if it hasn't already been defined.
4266 * Makefile.in (risky-stage1): Delete gratutious whitespace.
4268 * Makefile.in (clean): Delete libgcc1-test.
4270 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
4272 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
4274 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
4277 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4279 * dwarf2out.c (output_call_frame_info): Call named_section.
4281 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
4283 * haifa-sched.c (print_value): Fix last change.
4285 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
4287 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
4290 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4292 * mips.c (function_prologue): Set up the CFA when ABI_32.
4294 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
4295 for dwarf2 unwind info.
4296 (output_function_prologue, sparc_flat_output_function_prologue): Same.
4298 * final.c (final_end_function): Check dwarf2out_do_frame instead
4299 of DWARF2_DEBUG for dwarf2 unwind info.
4300 (final_scan_insn): Likewise.
4301 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
4304 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
4307 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
4309 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
4311 * v850.h (ASM_SPEC): Pass on target processor.
4312 (CPP_PREDEFINES): Only define if not already specified.
4313 (TARGET_VERSION): Only define if not already specified.
4314 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
4316 (EXTRA_SWITCHES): Extra entries in the switches array.
4317 (TARGET_DEFAULT): Set default target processor.
4319 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
4321 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
4322 cases, add %# and %/, and add : to make them into extended asms.
4324 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
4326 * alias.c (init_alias_analysis): Clean up incompatible pointer
4327 type warning in bzero.
4328 * regmove.c (regmove_optimize): Ditto.
4329 * haifa-sched.c (find_rgns): Ditto.
4331 * haifa-sched.c (print_value): Clean up ptr->int cast
4334 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
4336 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
4337 * install.texi (Configurations): Ditto.
4338 * config.sub: Ditto.
4340 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
4342 * Makefile.in (sdbout.o): Depend on insn-config.h.
4344 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
4346 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
4347 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
4349 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4351 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
4352 prologue insn, only the first elt is significant.
4353 (output_call_frame_info): For exception handling, always use 4-byte
4354 fields as specified by the dwarf2 spec.
4355 Don't skip trivial FDEs.
4357 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
4359 * version.c: Bump for snapshot.
4361 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
4363 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
4364 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
4367 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
4369 * final.c (shorten_branches): During first pass, assume worst
4370 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
4372 * Makefile.in (distclean): Remove various things left around
4373 by running the testsuite.
4375 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
4377 * configure.in (out_file): Emit definition to config.status in order
4378 to have a defined value for configure.lang.
4379 * configure: Re-built.
4381 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
4383 * configure.in: Make symlink to as-new rather than as.new. Similarly
4385 * configure: Rebuilt.
4387 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
4389 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
4391 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
4393 * sparc/sparc.md: Add ultrasparc scheduling support.
4394 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
4396 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4398 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
4399 as initial value for real_label_map.
4400 (copy_for_inline): Likewise.
4402 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4404 * sched.c (update_flow_info) When looking if to set found_split_dest
4405 or found_orig_dest, look at all parts of a PARALLEL.
4406 * haifa-sched.c (update_flow_info): Likewise.
4408 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
4410 * v850: New directory for v850 port.
4411 * v850/lib1funcs.asm: New file.
4412 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
4413 * ginclude/va-v850.h: New file.
4414 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
4415 * configure.in (mn10200-*-*): New target.
4416 * configure: Rebuilt.
4417 * config.sub: Handle v850-elf.
4418 * Makefile.in (USER_H): Add va-mn10200.h.
4419 * invoke.texi: Document v850 stuff.
4421 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
4423 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
4424 has integer TYPE_{MAX,MIN}_VALUE before using them.
4426 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
4427 __HPUX_ASM__ versions.
4429 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
4431 * install.sh: Delete duplicate install script.
4433 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
4435 * reg-stack.c (subst_stack_regs): Pop the stack register for a
4436 computed goto which sets the same stack register.
4438 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
4439 destination are both on the regstack.
4440 (subst_stack_regs_pat): Put the destination at the top of the regstack.
4442 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
4444 * mips.md (nonlocal_goto_receiver): Define.
4446 * profile.c (output_arc_profiler): Check next_insert_after for non
4447 NULL before deferencing it.
4449 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
4451 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
4453 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
4455 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
4457 * toplev.c (rest_of_compilation): For passes starting with
4458 flow_analysis, use print_rtl_with_bb instead of print_rtl.
4460 * print-rtl.c (print_rtl_single): Print a single rtl value to a
4463 * flow.c (print_rtl_with_bb): Print which insns start and end
4464 basic blocks. For the start of a basic block, also print the live
4467 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
4469 * toplev.c (main): Change #elif to #else/#ifdef
4471 * tlink.c: Include ctype.h.
4472 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
4474 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
4476 * bitmap.c: Conditionally include stdlib.h.
4477 (free): Provide a declaration if NEED_DECLARATION_FREE.
4479 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
4481 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
4483 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
4485 * profile.c (output_arc_profiler): Verify next_insert_after is an
4486 INSN before and after skipping a stack pop.
4488 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4490 * final.c (shorten_branches): Don't count the lengths of deleted
4493 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
4495 * version.c: Bump for snapshot.
4497 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
4499 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
4500 two bitmaps ANDed together.
4501 (bitmap_print): Declare.
4503 * bitmap.c (function_obstack): Don't declare any more.
4504 (bitmap_obstack): Obstack for allocating links from.
4505 (bitmap_obstack_init): New static to say whether to initialize
4507 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
4508 (bitmap_release_memory): Free all memory allocated from
4511 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
4512 EXECUTE_IF_AND_IN_BITMAP.
4514 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
4516 * alias.c (true_dependence): Address with AND can alias scalars.
4517 (anti_dependence, output_dependence): Likewise.
4519 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
4521 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
4523 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
4524 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
4525 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
4526 definitions. Use -qrtems instead of -mrtems.
4528 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
4530 * xm-sco5.h (sys_siglist): Define.
4531 (SYS_SIGLIST_DECLARED): Likewise.
4533 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
4535 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
4537 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
4539 * except.c (eh_outer_context): Expand masking operation using
4542 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
4544 * alpha.md (floatdisf2-1): New pattern.
4546 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
4548 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
4549 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
4550 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
4551 * gcc.texi: Note that if you define sys_siglist that you should
4552 also define SYS_SIGLIST_DECLARED.
4554 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
4555 are relative to the next instruction, not the current instruction.
4557 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
4559 * local-alloc.c (contains_replace_regs): New function.
4560 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
4561 verify that there is no existing REG_EQUIV note, and add a call to
4562 contains_place_regs.
4564 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4566 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
4567 (STARTFILE_SPEC): Always use crtbegin.o%s
4568 (ENDFILE_SPEC): Always use crtend.o%s.
4570 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
4572 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
4574 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
4575 SFmode for 64 bit hosts.
4577 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
4579 * fixincludes: Permits spaces between # and define. Discard C++
4580 comments in sys/pci.h on HP/UX 10.20.
4582 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
4584 * version.c: Bump for snapshot.
4586 * pa.c (restore_unscaled_index_insn_codes): New function.
4587 (record_unscaled_index_insn_codes): Likewise.
4588 (output_function_prologue): Call restore_unscaled_index_insn_codes.
4589 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
4590 (pa_reorg): Call record_unscaled_index_insn_codes.
4592 * haifa-sched.c (move_insn): Handle notes correctly for insns
4593 with SCHED_GROUP_P set.
4595 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4597 * alpha/xm-linux.h (USE_BFD): Undef before define.
4599 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
4601 * cse.c (cse_insn): Don't record BLKmode values.
4603 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
4605 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
4607 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
4609 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
4610 * collect2.c (sys_errlist): Likewise.
4611 * cpplib.c (sys_errlist): Likewise.
4612 * gcc.c (sys_errlist): Likewise.
4613 * protoize (sys_errlist): Likewise.
4614 * configure.in: Check for strerror.
4615 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
4616 * xm-gnu.h (HAVE_STRERROR): Likewise.
4617 * xm-linux.h (HAVE_STRERROR): Likewise.
4618 * xm-netbsd.h (HAVE_STRERROR): Likewise.
4619 * xm-bsd386.h (HAVE_STRERROR): Likewise.
4620 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
4621 * xm-dos.h (HAVE_STRERROR): Likewise.
4622 * xm-mingw32.h (HAVE_STRERROR): Likewise.
4623 * xm-pa.h (HAVE_STRERROR): Likewise.
4624 * xm-papro.h (HAVE_STRERROR): Likewise.
4625 * xm-sysv4.h (HAVE_STRERROR): Likewise.
4626 * configure, config.in: Rebuilt.
4628 * Makefile.in: Add several missing "else true" clauses.
4630 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
4631 * mips-tfile.c: Likewise.
4632 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
4633 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
4634 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
4635 * configure.in: Check for sys_siglist declaration.
4636 * configure, config.in: Rebuilt.
4638 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4640 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4641 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4642 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4643 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4644 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4645 macro EXTRA_SUBTARGET_SWITCHES.
4646 * configure.in (sh*-*-rtems*): New target.
4647 * sh/rtems.h: New file.
4648 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4649 * configure: Rebuilt.
4651 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4653 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4655 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4657 * rs6000.md: Make DF fused-add operations pay attention to
4660 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4662 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4664 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4666 * pa.md (reload_peepholes): Make sure operand is a REG before
4667 examining REGNO. Allow general registers too.
4669 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4671 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4673 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4675 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4676 to reallocate abbrev_die_table.
4678 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4680 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4682 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4684 * Makefile.in (config.status): Depend on version.c
4686 * expr.h (insn_gen_function): Reenable prototype.
4688 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4691 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4693 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4695 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4697 * version.c: Bump for latest snapshot.
4699 * bc-optab.c: Conditionally include stdlib.h.
4700 (free): Provide a declaration if NEED_DECLARATION_FREE.
4701 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4702 * rtl.h (free): Remove declaration.
4703 * tree.h (free): Remvoe declaration.
4705 * configure: Rebuilt.
4707 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4709 * flags.h (flag_move_all_movables): Declare.
4710 (flag_reduce_all_givs): Likewise.
4711 * loop.c (move_movables): Handle flag_move_all_movables.
4712 (strength_reduce): Handle flag_reduce_all_givs.
4713 * toplev.c (flag_move_all_movables): Define.
4714 (flag_reduce_all_givs): Likewise.
4715 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4716 * invoke.texi: Document new options, including alias stuff that
4717 wasn't included last time.
4719 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4721 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4724 * t-vxworks68: Ditto.
4725 * t-vxworks960: Ditto.
4728 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4730 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4731 if not already defined, and USE_C_ALLOCA not defined.
4733 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4735 * config.guess: Replace with script that uses ../config.guess.
4737 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4738 if USE_GNULIBC_1 is not defined.
4740 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4742 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4743 * config.guess: Recognize alpha-linux-gnulibc1.
4744 * configure.in (alpha-*-linux-gnulibc1): New target.
4745 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4747 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4749 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4752 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4754 * loop.c (combine_movables): Earlier insns don't match later ones.
4756 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4758 * config/linux.h (CC1_SPEC): Define it only if not defined.
4760 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4763 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4764 USE_GNULIBC_1 is not defined.
4766 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4768 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4769 as 1 if USE_GNULIBC_1 is not defined.
4771 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4773 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4774 to be something other than a REG.
4775 * function.c (expand_function_end): Fix current_function_return_rtx
4778 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4779 * x-netbsd: Likewise
4780 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4781 (INSTALL_HEADERS): Delete.
4782 * x-dguxbcs: Likewise.
4783 * x-hp3bsd44: Likewise
4786 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4788 * i386.md (pop): pop increments the stack pointer.
4789 (prologue_set_stack_ptr): New pattern.
4790 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4793 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4795 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4796 address where an offsettable address is required.
4798 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4800 * loop.c (check_final_value): Don't miss a biv increment in a
4803 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4805 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4806 TYPE_DECL_IS_STUB instead of DECL_NAME.
4808 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4810 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4812 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4814 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4816 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4818 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4819 (find_post_sched_live): Likewise.
4821 * haifa-sched.c (schedule_block): Remove old code to get arguments
4822 from hard regs into pseudos early.
4824 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4826 * version.c: Bump for new snapshot.
4828 * local-alloc.c (update_equiv_regs): All the target to reject
4829 promotion of some REG_EQUAL to REG_EQUIV notes.
4830 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4832 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4835 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4836 store of the argument registers.
4838 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4840 * fold-const.c (multiple_of_p): New function.
4841 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4843 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4845 * expr.h (insn_gen_function): Temporarily remove prototype.
4847 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4849 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4850 filenames. Use sed to extract base filename for install.
4852 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4854 * unroll.c (find_splittable_givs): Only share if two givs have the
4855 same add and multiply values.
4857 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4859 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4860 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4862 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4864 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4865 around branch tables.
4866 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4867 and .end_brtab directives if TARGET_GAS.
4869 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4871 * alias.c (true_dependence): Pass x_addr not x to varies.
4873 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4874 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4875 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4877 * config.in, configure: Regenerate.
4879 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4881 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4883 (record_set): Handle LO_SUM like PLUS.
4884 (init_alias_analysis): When following chains of base addresses,
4885 do not stop on reaching a hard register.
4887 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4889 * version.c: Bump for new snapshot.
4891 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4893 * alpha.h (ARCH_ASM_FILE_START): Define.
4894 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4895 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4897 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4899 * Makefile.in (install-common): Put gcov comment at start of line.
4901 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4903 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4904 array, simplify entries for hard registers too.
4906 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4908 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4911 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4913 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4914 block_stack before dereferencing it.
4916 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4918 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4920 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4922 * cplus-dem.c: Add 'extern' to prepends_underscore.
4924 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4926 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4927 (get_issue_rate): Delete.
4928 * pa.h (ISSUE_RATE): Define.
4930 * configure.in: Turn on haifa by default for the PA.
4931 * configure: Rebuilt.
4932 * pa.c (override_options): Accept -mschedule=7200 option.
4933 (pa_adjust_cost): No longer need to scale costs for newer
4935 * pa.h (enum processor_type): Add PROCESSOR_7200.
4936 * pa.md: Revamp scheduling parameters to work better with
4937 haifa. Add scheduling parameters for the 7200.
4939 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4941 (schedule_block): When adjusting basic_block_{head,end}, account
4942 for movement of SCHED_GROUP_P insns too.
4944 * haifa-sched.c (debug_dependencies): Fix thinko.
4946 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4947 (site.exp, check, check-g++, check-gcc): New targets.
4949 * haifa-sched.c: Make lots of variables static.
4951 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4953 * expr.h, real.h: Finish prototyping.
4955 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4957 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4958 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4959 * reload1.c: Undo bugfix from Aug 11.
4961 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4963 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4964 quotes around the name.
4965 * configure: Regenerate.
4967 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4969 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4971 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4973 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4974 to sub-makes to avoid building more passes than the user might have
4975 requested on the command line.
4977 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4979 * configure.in: Expurgate `broken_install' (install is
4982 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4985 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4987 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4988 functions and declarations.
4989 (analyze_loop_iterations): Use condjump_p.
4990 (insert_bct): Likewise. Use exact_log2.
4992 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4994 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4995 (schedule_region): Likewise.
4996 (schedule_insns): Likewise.
4998 * PROJECTS: Update with Haifa stuff.
5000 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5002 * version.c: Change the version string to look like:
5003 egcs-2.90.00 970814 (gcc2-970802 experimental).
5005 * loop.c (is_conditional_branch): Make definition match declaration.
5007 * gcc.c: Take out experimental snapshot warning message.
5009 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5011 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5012 print out the names of the notes. Print out the name of the insn
5013 that is not a note, and not an {,CALL_,JUMP_}INSN.
5015 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5017 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5018 again for the slot after we give it RTL.
5020 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5022 * configure.in (haifa configury): Fix typo.
5023 * configure: Regenerate.
5025 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5027 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5029 * gcc.info*: Rebuilt.
5031 * COPYING.g77, README.g77: New files.
5032 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5033 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5034 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5036 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5038 * Integrate Haifa instruction scheduler.
5039 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5040 to sched with $(SCHED_CFLAGS.
5041 * configure.in: Handle --enable-haifa.
5042 * configure: Rebuilt.
5043 * flags.h: Add new flags for haifa instruction scheduler.
5044 * genattrtab.c (expand_units): For haifa, don't subtract one
5045 when computing blockage.
5046 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5047 (flag_schedule_speculative): Ditto.
5048 (flag_schedule_speculative_load): Ditto.
5049 (flag_schedule_speculative_load_dangerous): Ditto.
5050 (flag_schedule_reverse_before_reload): Ditto.
5051 (flag_schedule_reverse_after_reload): Ditto.
5052 (flag_branch_on_count_reg): Ditto.
5053 (f_options): Add Haifa switches.
5054 (main): Turn off some Haifa options if appropriate macro is
5055 defined. Process Haifa switches.
5056 * unroll.c (iteration_info): No longer static, since Haifa
5058 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5059 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5060 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5061 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5062 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5063 storage for the Haifa scheduler.
5064 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5066 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5067 are defined, call analyze_loop_iterations and insert_bct to use
5069 (record_giv): Refine test for jumps out of loops if HAIFA is
5071 (analyze_loop_iterations): New function to identify if we can use
5073 (insert_bct): Insert countdown loop.
5074 (instrument_loop_bct): Low level code to insert countdown loop.
5075 (loop_number): Calculate UID of loop.
5076 (indirect_jump_in_function_p): Return true if an indirect jump is
5078 (is_power_of_2): Return true if value is a power of 2.
5079 (is_conditional_branch): Return true if insn is a conditional
5081 (fix_bct_param): Process -fbct-{min,max}-N switches.
5082 (check_bct_param): Return true if loop should be instrumented.
5083 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5084 (loop_optimize): Initialize.
5085 (get_condition_for_loop): Ditto.
5086 * loop.c (strength_reduce): Inside of code that uses #ifdef
5087 HAVE_decrement_and_branch_on_count code, test it to make sure the
5089 (instrument_loop_bct): Ditto.
5090 * haifa-sched.c: New file.
5093 * Integrate regmove pass.
5094 * Makefile.in (OBJS): Add regmove.o
5095 (regmove.o): Add dependencies.
5096 * flow.c (find_use_as_address): No longer static.
5097 * rtl.h (find_use_as_address): Declare.
5098 * toplev.c (regmove_dump, flag_regmove): Define.
5099 (f_options): Add -fregmove.
5100 (regmove_dump_file, regmove_time): Define.
5101 (fatal_insn): Close the regmove dump file.
5102 (compile_file): Initialize regmove_time; open/close the regmove dump
5103 file as needed. Print regmove time as needed.
5104 (rest_of_compilation): Run regmove pass if requested, dump
5105 RTL after regmove if requested.
5106 (main): If -O2 or more, turn on regmove. Handle dump switches.
5107 * regmove.c: New file.
5109 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
5111 * Integrate tlink patch from jason@cygnus.com
5112 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
5113 (process_command): Increment n_switches for them. Don't discard
5114 their args. Validate them.
5115 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
5117 (process_command): Set include_prefixes from COMPILER_PATH.
5118 (main): Set COLLECT_GCC_OPTIONS sooner.
5119 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
5120 * tlink.c, hash.c, hash.h: New files.
5121 * Makefile.in (USE_COLLECT2): Always use collect2.
5122 (collect2): Depend on and link in hash.o and tlink.o.
5123 (tlink.o, hash.o): Add dependencies.
5125 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
5127 * Integrate alias analysis changes from jfc@mit.edu
5128 * Makefile.in (OBJS): Add alias.o
5129 (alias.o): Add dependencies.
5130 * alias.c: New file.
5131 * sched.c: Remove alias analysis code. It lives in alias.c now.
5132 (sched_analyze_2): Add new arguments to true_dependence.
5133 (schedule_insns): Always call init_alias_analysis.
5134 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
5135 mark return value from such functions as a pointer and keep track of
5136 them for alias analysis. If a return value from a function is a
5137 pointer, mark it as such.
5138 * combine.c (distribute_notes): Handle REG_NOALIAS.
5139 * cse.c (struct write_data): Delete. No longer needed.
5140 (invalidate): Don't call set_nonvarying_address_components anymore.
5141 Use true_dependence to decide if an entry should be removed from
5143 (invalidate_memory): Remove WRITES argument, simplify appropriately.
5145 (note_mem_written): Similarly for WRITE_PTR argument.
5146 (invalidate_from_clobbers): Similarly for W argument.
5147 (invalidate_for_call): Remove memory elements from the hash table.
5148 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
5149 (cse_rtx_varies_p): New function. Derived from old
5150 cse_rtx_addr_varies_p.
5151 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
5152 Don't call note_mem_written anymore. Stack pushes invalidate the stack
5153 pointer if PUSH_ROUNDING is defined. No longer need to call
5154 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
5155 (skipped_writes_memory): Remove variable.
5156 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
5157 (invalidate_skipped_block): Simplify for new alias analysis code.
5158 (cse_set_around_loop): Likewise.
5159 (cse_main): Call init_alias_analysis.
5160 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
5161 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
5162 (f_options): Add new alias checking arguments.
5163 (main): Set flag_alias_check when optimizing.
5164 * local_alloc (validate_equiv_mem_from_store): Add new arguments
5166 (memref_referenced_p): Likewise.
5167 * loop.c (NUM_STORES): Increase to 30.
5168 (prescan_loop): Only non-constant calls set unknown_address_altered.
5169 (invariant_p): Add new arguments to true_dependence.
5170 (record_giv): Initialize unrolled and shared fields.
5171 (emit_iv_add_mult): Call record_base_value as needed.
5172 * loop.h (struct induction): Add unrolled and shared fields.
5173 * unroll.c (unroll_loop): Call record_base_value as needed.
5174 (copy_loop_body): Likewise.
5175 (final_biv_value): Likewise.
5176 (final_giv_value): Likewise.
5177 (find_splittable_regs): Likewise. Only create one new pseudo
5178 if we have multiple address GIVs that were combined with the same
5179 dst_reg GIV. Note when a new register is created due to unrolling.
5180 * rtl.c (reg_note_name): Add REG_NOALIAS.
5181 * rtl.h (enum reg_note): Similarly.
5182 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
5183 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
5184 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
5185 (true_dependence, read_dependence, anti_dependence): Likewise.
5186 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
5187 (mark_user_reg, mark_reg_pointer): Likewise.
5190 * Integrate reload bugfix from Wilon which enables the PA port
5192 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
5193 OPERAND_ADDRESS when computing how many registers an insn needs.
5194 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
5196 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
5198 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
5199 in reload_reg_use_in_op_addr do not reach the end.
5200 do not reach the end.
5201 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
5202 RELOAD_FOR_OPERAND_ADDRESS.
5204 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
5206 * egcs project officially starts.