1 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3 * tm.texi (Varargs): Don't split argument of @item across lines.
5 * invoke.texi: Fix use of @item vs @itemx.
7 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
12 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14 * loop.c (check_dbra_loop): Fix debug message.
16 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
19 pattern instead of decrement_and_branch_until_zero pattern.
21 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
24 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
26 Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
28 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
30 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
34 * cppfiles.c (read_and_prescan): Likewise.
35 Start a #define in column 0.
37 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
38 (cpp_push_buffer): Likewise for cpp_buffer*.
39 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
40 (do_endif): Cast to char* when assigning to one.
41 (do_assert): Likewise.
42 (do_unassert): Likewise.
43 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
44 Don't do unnecessary cast to char* anymore.
46 * genrecog.c (make_insn_sequence): Cast to char** when assigning
47 to one. Cast the first argument of bzero to PTR.
49 * loop.c (strength_reduce): Remove unused variable `note'.
51 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
54 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
56 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
58 * calls.c (initialize_argument_information): Mark parameters
59 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
61 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
63 (dbxout_finish): Likewise for parameters `file' and `filename'.
64 (dbxout_prepare_symbol): Likewise for parameter `decl'.
65 (dbxout_begin_function): Likewise.
67 * explow.c (hard_function_value): Likewise for parameter `func'.
69 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
71 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
72 * expr.c (expand_expr): Likewise.
73 * expr.h (expand_abs): Delete unused argument from prototype.
74 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
76 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
77 (sdbout_end_block): Likewise for parameter `n'.
79 * toplev.c (debug_define): Likewise for parameters `lineno' and
81 (debug_undef): Likewise.
83 * varasm.c (named_section): Likewise for parameter 'reloc'.
84 (assemble_external): Likewise for parameter `decl'.
85 (assemble_alias): Likewise for parameter `target'.
87 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
89 * toplev.c (read_integral_parameter): Constify. Better control of
91 (main): Use read_integral_parameter to set optimize, id_clash_len,
92 larger_than_size, and the debugging level.
93 * toplev.h (read_integral_parameter): Update prototype.
95 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
97 * system.h: Use putc_unlocked, fputc_unlocked, and
98 fputs_unlocked only if putc_unlocked has a prototype already.
99 Prototype fputs_unlocked if necessary.
100 * configure.in: Check for prototypes of putc_unlocked and
102 * acconfig.h: Updated.
103 * config.in, configure: Rebuilt.
105 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
107 * Makefile.in (INTL_TARGETS): new macro
108 ($(INTL_TARGETS)): depend on generated sources; drop dependencies
109 on cp/parse.c and objc/objc-parse.c
110 ($(srcdir)/cp/parse.c): move to cp/Make-lang.in
111 * objc/Make-lang.in ($(INTL_TARGETS)): depend on objc/objc-parse.c
113 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
115 * i860.h (TARGET_SWITCHES): Add documentation.
116 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
117 * i370.h (TARGET_SWITCHES): Add documentation.
118 * fx80.h (TARGET_SWITCHES): Add documentation.
119 * elxsi.h (TARGET_SWITCHES): Add documentation.
120 * clipper.h (TARGET_SWITCHES): Add documentation.
121 * 1750a.h (TARGET_SWITCHES): Add documentation.
122 * pa.h (TARGET_SWITCHES): Add documentation.
123 (TARGET_OPTIONS): Likewise.
124 * mn10300.h (TARGET_SWITCHES): Add documentation.
125 * h8300.h (TARGET_SWITCHES): Add documentation.
127 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
129 * loop.c (strength_reduce): Do not perform pseudo replacements
130 if the loop contains volatile memory references.
132 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
134 * reload.c (find_reloads_toplev): When processing X recursively,
135 don't alter it destructively except by filling in constants.
137 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
139 * cccp.c (default_include): Initialize structure memebers.
140 (pass_thru_directive): Change the type of 'keyword_length' to int.
141 (main): Cast `bindtextdomain' and `textdomain' to (void).
143 * collect2.c (main): Likewise.
145 * cppmain.c (main): Likewise.
147 * gcc.c (main): Likewise.
149 * gcov.c (main): Likewise.
151 * protoize.c (main): Likewise.
153 * toplev.c (main): Likewise.
155 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
157 * config/mips/mips.c (mips_explicit_type_size_string): Correct
160 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
162 * configure.in: Use "exit 1", not "exit (1)".
163 * configure: Rebuilt.
165 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
167 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
168 `/include' in order to find the system's limits.h.
170 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
172 * fixinc/fixincl.c: Include auto-host.h instead of config.h
173 * fixinc/procopen.c: Likewise.
174 * fixinc/regex.c: Likewise.
175 * fixinc/server.c: Likewise.
177 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
179 * config/i386/go32.h: Delete.
180 * config/i386/djgpp.h: New. Renamed from go32.h.
181 Added -DDJGPP=2 to CPP_PREDEFINES.
182 * config/i386/go32-rtems.h: Delete.
183 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
184 Added -DDJGPP=2 to CPP_PREDEFINES.
185 * config/i386/xm-go32.h: Delete.
186 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
187 * config/i386/x-go32: Delete.
188 * config/i386/x-djgpp: New. Renamed from x-go32.
189 * config/i386/t-go32: Delete.
190 * config/i386/t-djgpp: New. Renamed from t-go32.
191 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
192 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
193 Set xmake_file to i386/x-djgpp.
194 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
195 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
197 * configure: Rebuilt.
199 * gcc.c (process_command): Dump link_command_spec too.
201 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
202 Jeff Law <law@cygnus.com>
204 * pa.md: Add real PA8000 scheduling information.
206 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
207 (ISSUE_RATE): Revamp, including PA8000 support.
208 * pa.c (override_options): Add 8000 as -mschedule= option.
209 Do not call strcmp if pa_cpu_string is null.
210 * pa.md (attr cpu): Add 8000.
211 * invoke.texi: Add documentation for PA8000 scheduling.
213 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
215 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
217 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
218 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
220 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
222 * flow.c (compute_immediate_dominators): New function.
223 * basic-block.h (compute_immediate_dominators): Declare it.
225 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
227 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
229 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
231 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
233 * config/arm/arm.md: Fix various compile time warnings.
234 * config/arm/arm.h: Fix various compile time warnings. Add
236 * config/arm/arm.c: Fix various compile time warnings.
237 (arm_override_options): Reorganise to seperate tuning from
239 (bit_count): New function: Return a count of the number of bits
242 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
244 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
245 things that were eliminated.
247 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
249 * function.c (fixup_var_refs_1): First try moving the expression
250 directly into a register. Don't separate cc0 setter and user.
252 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
254 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
256 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * c-lex.c: Don't include setjmp.h.
259 (parse_float): New static function.
260 (pf_args): New struct.
261 (yylex): Use them in call to `do_float_handler'.
263 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
265 * cexp.y (yyerror): Call verror to get a usefull error message.
268 * .gdbinit: Move command to put breakpoint at abort to end of file
269 so that gdb does not bail out early.
271 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
273 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
275 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
277 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
279 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
281 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
282 Delete emit_library_call_value declaration.
284 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
286 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
287 (which cannot otherwise appear in the processed buffer) and
288 move it out of tokens that it appears in the middle of.
290 (find_position): New function.
292 * cpplib.c: \r (one character) indicates backslash
293 newline, not \\\n (two characters). It cannot appear in the
294 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
295 parsing moves past \n or \r. Increment pfile->lineno whenever
296 a \n is placed into token_buffer. Only one mark can exist at
297 a time, and CPP_BUMP_LINE must not be used while it is
298 active. It is automatically cleared by cpp_pop_buffer and
299 parse_goto_mark. \r is not in is_hor_space or is_space.
301 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
302 update_position, count_newlines, parse_move_mark): Removed.
303 (parse_string, copy_comment): New functions.
304 (parse_name): Returns void.
305 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
306 one argument, a cpp_reader *. Change for new marking scheme.
307 (skip_comment): Handle CHILL line comments too. Second
308 argument is now first character of comment marker; all callers
309 changed. Issue error for unterminated block comment here.
310 (cpp_skip_hspace): Recognize CHILL comments.
311 (copy_rest_of_line): Likewise. Call skip_comment and
312 parse_string directly, don't go through cpp_get_token. Emit
313 "/**/" for block comments if -traditional (create_definition
315 (do_define): Don't play with put_out_comments.
316 (cpp_push_buffer): Initialize ->mark to -1.
317 (cpp_buf_line_and_col): Just read out the values in the buffer
319 (output_line_command): Use cpp_buf_line_and_col. Fix
320 formatting. Remove stale code.
321 (cpp_get_token): Break out string parsing code to
322 parse_string. Use skip_comment for CHILL comments too. Use
323 copy_comment for put_out_comments instead of dinking with
324 marks. Remove stale code. Don't call output_line_command
325 unless it's necessary.
327 * cpplib.h (parse_marker): Removed.
328 (struct cpp_buffer): line_base is now a unsigned char *; add
329 `mark' [long], remove `marks' [struct parse_marker *].
330 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
332 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
333 * cppinit.c (is_hor_space, is_space): '\r' is not considered
335 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
337 * cpphash.c (macarg): Disable line commands while expanding.
339 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
341 * c-lex.c (yylex) : Remove warning for integer literals being
342 larger than the largest target int. Add warning for integer
343 literal being larger than than its choosen type.
345 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
347 * invoke.texi: Add -mlong32 documentation.
348 * config/mips/mips.h (mips_explicit_type_size_string): New.
349 (TARGET_SWITCHES): Add 'long32'.
350 (TARGET_OPTIONS): Add 'explicit-type-size'.
351 (CC1_SPECS): Set -mexplicit-type-size.
352 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
353 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
354 * config/mips/mips.c (mips_explicit_type_size_string): New.
355 (override_options): Use it.
356 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
358 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
359 Pointer size now depends on both size longs and size of GP
362 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
364 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
365 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
366 * config/mips/mips.c (override_options): Allow -mlong64 and
367 -mint64 with -mips2 or less.
368 * config/mips/mips.h (MASK_LONG64): Fix comment.
369 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
370 (Pmode): Make Pmode the smaller of longs or gp registers.
371 * invoke.texi: Note the new size for pointers.
373 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
375 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
376 bit-pattern directly.
377 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
378 * rs6000.c (first_reg_to_save): If profiling and context needed,
379 allocate a reg to save static chain for all ABIs. For AIX
380 profiling, calculate parameter registers to save based on need.
381 (output_function_profiler): Save and restore static chain around
382 profile call for all ABIs.
384 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
386 * cppinit.c: Instead of one pending list, keep separate lists
387 for each category of pending option: -D/-U, -A, -include,
388 -imacros. Move the four partial include-path lists into the
389 pending block. Use head and tail pointers so we don't ever
390 have to reverse the lists.
392 (cpp_start_read): Break out blocks of code to their own
393 functions: install_predefs and initialize_dependency_output.
394 Use path_include for C_INCLUDE_PATH and friends as well as
395 CPATH. Remove include_defaults gunk. Warn about the
396 combination of -lang-chill and -trigraphs. Optimize string
397 bashing. Walk each pending list once, deallocating as we go.
399 (append_include_chain): Brought over from cppfiles.c. Mark
400 dirs as system include dirs if and only if appending to
401 system include path. If opts->verbose, print a notice when a
402 dir is dropped from the include path because it doesn't
403 exist. Fix memory leak: this function is not supposed to copy
406 (nreverse_pending, push_pending): Removed.
407 (APPEND): New macro for adding to pending lists.
408 (path_include): Can now add to any partial include path.
409 (base_name): Bring over from cccp.c.
410 (cpp_options_init): Allocate the pending block.
411 (cpp_handle_option): Add --version. Exit after --help. Fix
412 formatting. Order -ifoo options by frequency of usage.
413 (install_predefs): New function, simplified version of code
414 that was in cpp_start_read.
415 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
417 * cppfiles.c (simplify_pathname): Export.
418 (merge_include_chains): Don't nreverse the lists. If
419 opts->verbose, print a notice when a duplicate dir is detected
420 and dropped from the include path.
421 (finclude): Fix excessive cleverness in setting
423 (actual_directory): Set x->sysp from
424 CPP_BUFFER (pfile)->system_header_p so that one system header
425 may include another with "".
426 (deps_output): Fix double adjustment of deps_size which would
427 cause all dependencies after the first two lines to be lost.
429 * cpplib.c (cpp_unassert): New function.
430 * cpplib.h: Lay out struct cpp_pending here. Adjust
431 prototypes. Add include_prefix_len to struct cpp_options.
433 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
435 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
436 from HI/LO/HILO/MD into general registers the same as for one
437 of moving general registers to HI/LO/HILO/MD.
439 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
441 * config/m32r/m32r.c (init_idents): New function. Initialise
442 static tree nodes for m32r specific attribute identifiers. Remove
443 leading and trailing double underscores from the attribute names.
444 (m32r_valid_machine_decl_attribute): Call init_idents.
445 (m32r_encode_section_info): Call init_idents.
447 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
449 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
450 LABEL_REF for something else.
452 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
454 * fold-const.c (exact_real_inverse): Move variable `float_error'
455 into the scope where it is used.
456 (const_binop_1): New static function.
457 (cb_args): New struct.
458 (const_binop): Use them in call to `do_float_handler'.
459 (fold_convert_1): New static function.
460 (fc_args): New struct.
461 (fold_convert): Use them in call to `do_float_handler'.
463 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
465 * rtlanal.c (auto_inc_p): New function.
466 * rtl.h (auto_inc_p): Prototype it.
467 * reload1.c (add_auto_inc_notes): New function.
468 (reload): Strip REG_INC notes and call add_auto_inc_notes
469 for each insn to restore them correctly.
471 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
473 * fixinc/Makefile.in (procopen.o): List the actual
476 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
478 * cse.c (check_fold_consts): New static function.
479 (cfc_args): New struct.
480 (simplify_relational_operation): Use them in call to
483 * toplev.c (do_float_handler): New function to wrap calls to
484 setjmp/set_float_handler.
486 * toplev.h (do_float_handler): Add extern prototype.
488 * tree.c (build_real_from_int_cst_1): New static function.
489 (brfic_args): New struct.
490 (build_real_from_int_cst): Use them in call to
493 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
495 * version.c: Bump for snapshot.
497 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
499 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
501 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
503 * arm.c (arm_split_constant): Don't try to force a constant to
504 memory after arm_reorg has run.
505 (after_arm_reorg): New static variable.
507 (output_func_epilogue): Clear it.
509 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
511 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
512 * configure: Rebuilt.
514 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
516 * unroll.c (loop_iterations): Don't return a final value for EQ
519 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
521 * reload1.c (calculate_needs_all_insns): When ignore equivalence
522 setting insn, clear need_elim, need_reload, and need_operand_change.
524 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
526 * fixinc/fixinc.*: Some changes from the fixincl-branch
527 were not applied (??!!). Corrected.
529 * fixinc/Makefile.in: same thing.
531 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
533 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
534 MAX_INTEGER_COMPUTATION_MODE.
536 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
538 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
539 (MODES_TIEABLE_P): Update.
541 * alpha.md (ev5_e0): Conflict loads and stores.
543 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
545 * machmode.h (smallest_mode_for_size): Prototype.
546 * stor-layout.c (smallest_mode_for_size): Remove static.
548 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
550 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
551 conversion if we don't know the lifetime.
553 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
555 * reload.1c (delete_address_reloads_1): Check for reloads of
556 CURRENT_INSN even if it sets DST.
558 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
560 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
561 (print_die, size_of_die, value_format, output_die): Adjust.
563 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
565 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
566 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
567 text_section_laabel, debug_line_section_label,
568 debug_info_section_label, abbrev_section_label): New.
569 (output_compilation_unit_header): Emit label associated
570 with section instead of section name itself.
571 (out_pubnames, output_aranges, output_line_info,
572 dwarf2out_finish): Likewise.
573 (dwarf2out_init): Build internal label names for sections
576 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
578 * sh.md (mulsi3): End mul.l sequence with a no-op move.
580 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
582 * Makefile.in: activated fixinc/mkfixinc.sh
583 * configure.in: activated fixinc/mkfixinc.sh
585 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
587 * cppfiles.c (INO_T_EQ): Handle UWIN.
589 * c-common.c (decl_attributes): Flag unrecognized attribute
590 functions as warnings instead of as errors.
592 Support for i386-pc-uwin.
593 * i386/uwin.h: New file.
594 * i386/xm-uwin.h: New file.
595 * i386/t-uwin: New file.
596 * i386/uwin.asm: New file.
597 * configure.in (i[3456]86-*-uwin*): Define.
598 Add Workaround for vfork bug when hosted on uwin.
599 * configure: Regenerate.
601 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
602 (absolute_filename): UWIN uses POSIX pathnames only.
603 * libgcc2.c (getpagesize): Do not define for UWIN.
604 (mprotect): Likewise.
605 * protoize.c (dirent.h): Conditionally include.
606 (fputc): Prototype only if it's not a macro.
608 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
610 * configure.in: Remove init_priority stuff.
612 1999-03-11 Colin Smith <colin@wrs.com>
614 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
616 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
618 * gcc.texi: Update bug reporting instructions to match
619 current ezmlm list reality.
621 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
623 * gcc.c (print_file_name, print_prog_name, spec_machine,
624 read_specs, set_spec, lookup_compiler, build_search_list,
625 putenv_from_prefixes, find_a_file, record_temp_file,
626 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
627 is_directory, validate_switches, used_arg, default_arg,
628 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
629 notice, add_preprocessor_option, add_assembler_option,
630 add_linker_option, process_command, execute,
631 unused_prefix_warnings, clear_args, fatal_error,
632 lang_specific_driver, user_specs, compiler, link_command_spec,
633 option_map, translate_options, make_temp_file, temp_name,
634 programname, path_prefix, machine_suffix, just_machine_suffix,
635 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
636 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
637 standard_startfile_prefix, standard_startfile_prefix_1,
638 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
639 multilib_dir, temp_filename, temp_file, command, switchstr,
640 infile, outfiles, input_filename, input_basename, input_suffix,
641 check_live_switch, main): Qualify a char* with the `const' keyword.
643 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
646 * Makefile.in (OBJS): Add lcm.o
647 (lcm.o): Add dependencies.
649 * gcse.c (compute_pre_local_properties): Delete.
650 (compute_pre_data): Use compute_local_properties instead of
651 compute_pre_local_properties.
653 * gcse.c: More comments, whitespace and similar fixes.
654 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
655 (dump_pre_data, compute_cprop_local_properties): Likewise.
656 (one_classic_gcse_pass): Lose unused argument. All callers changed.
657 (compute_hash_table, compute_expr_hash_table): Likewise.
658 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
659 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
660 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
661 Lose unused argument.
662 (gcse_main): Always run a cprop pass after finishing global cse.
663 (compute_local_properties): New function.
664 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
665 (compute_cprop_data): Use compute_local_properties.
667 * gcse.c: Update various comments.
668 (current_function_calls_longjmp): Delete declaration.
670 * gcse.c (run_jump_opt_after_gcse): New variable.
671 (gcse_main): Returns an integer.
672 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
673 (try_replace_reg): Update some comments.
674 (cprop_insn): Allow propagation into some JUMP_INSNs too.
675 * rtl.h (gcse_main): Update prototype.
676 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
677 then run a jump optimization pass.
678 * jump.c (delete_barrier_successors): Delete nop jumps too.
680 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
682 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
683 for FP arithmetic. Changed caller.
684 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
686 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
688 * reload1.c (choose_reload_regs): When inheriting from the frame
689 pointer, don't clobber it.
691 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
693 * fixinc/fixinc.*: Resync-ed with the files in this
696 * fixinc/mkfixinc.sh: the machine case elements were
697 out-of-order. (the ix86-*-linux-gnu* entry needed to
700 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
702 * reload1.c (reload_combine_note_store): Fix calculation of number
703 of affected registers.
705 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
707 * flow.c (tidy_fallthru_edge): Be more careful finding the last
708 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
710 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
712 * i386.md (ashlsi3 splitter): Fix typo in last change.
714 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
716 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
717 instead of an explicit test for RETURN.
719 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
721 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
723 * toplev.c: Include basic-block.h.
725 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
727 * calls.c (load_register_parameters): New function.
728 (expand_call): Use it.
730 * calls.c (expand_call): Slightly reorganize code.
732 * calls.c (compute_argument_addresses): New function.
733 (rtx_for_function_call): New function.
734 (expand_call): Use them.
736 * i386.md (zero_extendhisi2): Split into an expander and anonymous
737 pattern. Add new anonymous pattern for use when optimizing for
738 size or for the PPro.
739 (zero_extendqihi2, zero_extendqisi2): Likewise.
741 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
743 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
744 dependancies to sets in the non-hard-reg case too.
746 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
748 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
750 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
752 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
753 for which CLASS_LIKELY_SPILLED_P is true.
755 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
756 have a REG or SUBREG.
758 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
760 * i386.md (ashlsi3): Revise comments. Provide new anonymous
761 pattern for Pentium and PPro/PII. Reverse constraints in
762 generic ashlsi3 anonymous pattern.
764 * calls.c (initialize_argument_info): Accept a pointer to
766 (expand_call): Pass the address of CUMULATIVE_ARGS.
768 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
770 * mn10300.h (CASE_DROPS_THROUGH): Delete.
771 * mn10200.h (CASE_DROPS_THROUGH): Delete.
772 * h8300.h (CASE_DROPS_THROUGH): Delete.
774 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
775 to also delete the cc0 setter when deleting a conditional branch
778 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
780 * regmove.c (copy_src_to_dest): New argument max_old_uid.
782 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
784 * ChangeLog: merged entries from fixincl-branch
786 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
788 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
789 (print_exp): Special case addition of a constant.
790 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
792 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
794 * haifa-sched.c (reg_last_clobbers): New.
795 (reg_pending_clobbers, bb_reg_last_clobbers): New.
796 (compute_block_backward_dependences): Allocate memory for them.
797 (schedule_region): Likewise.
798 (sched_analyze_1): Clobbers don't interfere with one another.
799 They do interfere with sets ...
800 (sched_analyze_2): ... and uses.
801 (sched_analyze): Likewise.
802 (sched_analyze_insn): Update reg_last_clobbers appropriately.
804 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
806 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
807 include system header files.
809 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
810 (_mcleanup): Add the `const' keyword to a char*.
811 (internal_mcount): Declare `etext' as a char[] not a function.
812 Cast `etext' to char* when calling `monstartup'.
814 * sparc.c (frame_base_name, save_regs, restore_regs,
815 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
816 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
817 cpu_default, cpu_table, output_function_prologue,
818 output_function_epilogue, output_return,
819 sparc_flat_output_function_prologue, ultra_code_names,
820 sparc_flat_output_function_epilogue): Constify a char*.
821 (hypersparc_adjust_cost): Add a default case in a switch.
823 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
824 sparc_cpu_select, sparc_align_loops_string,
825 sparc_align_jumps_string, sparc_align_funcs_string,
826 output_return): Constify a char*.
828 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
829 so that we check "== 32", instead of "!= 64". Cast a value to
830 HOST_WIDE_INT when comparing against one. Hide the declaration
831 for variable `chain'.
833 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
835 * system.h (const, inline): Move the stage2 handling of these
836 keywords-as-macros from here...
838 * gansidecl.h (const, inline): ...to here.
840 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
842 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
844 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
846 * cse.c (canon_hash): Never reject hard regs in CCmode.
848 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
850 * version.c: Bump for snapshot.
852 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
853 Richard Henderson <rth@cygnus.com>
855 * flow.c (make_edges): Handle casesi that jump to default branch.
856 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
858 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
860 * c-aux-info.c (data_type, affix_data_type, gen_decl,
861 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
862 Qualify a char* with the `const' keyword.
864 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
865 declare_function_name, decl_attributes, format_char_info,
866 check_format_info, binary_op_error): Likewise.
868 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
870 * gcse.c (dump_hash_table): Likewise.
872 * integrate.c (function_cannot_inline_p): Likewise
874 * optabs.c: Include insn-config.h earlier.
875 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
876 Qualify a char* with the `const' keyword.
878 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
879 asctoeg, mtherr, ereal_atof): Likewise.
881 * real.h (ereal_atof): Likewise.
883 * sbitmap.c (dump_sbitmap_vector): Likewise.
885 * sbitmap.h (dump_sbitmap_vector): Likewise.
887 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
889 * toplev.c (rest_of_compilation): Likewise.
891 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
893 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
895 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
896 not overwrite AIX link register save area.
898 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
900 * reload.c (find_reloads_subreg_address): Actually create the USE
901 for the register, not the new memory location.
903 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
905 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
906 with its equivalent constant, fall back to reload_in.
908 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
910 * Makefile.in: Delete .flow2 debugging files.
912 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
914 * config/arm/arm.c (arm_override_options): Change default target
915 cpu selection so that enabling TARGET_APCS_32 does not override
918 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
920 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
921 (BOOL_TYPE_SIZE): Define.
923 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
925 * function.c (assign_stack_temp_for_type): Abort
926 if mode == Blkmode and align is less than
927 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
928 (assign_stack_temp_for_type): Round the size parameter
929 passed to assign_stack_local instead of size itself.
931 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
933 * flow.c (delete_unreachable_blocks): Mark blocks as they
934 are put on to the worklist, not as they are taken off.
936 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
938 * function.c (current_function_has_computed_jump): Remove duplicate
941 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
943 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
944 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
946 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
947 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
948 (INIT_SUBTARGET_OPTABS): Define to empty.
950 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
952 * sh.c (force_into): New function.
953 (expand_block_move): Use it.
955 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
957 * cccp.c (struct default_include): Add 'included' field.
958 (main): Set 'included' field when a default include directory
959 is added to the chain. If -v is specified list all default
960 include directories which do not get appended to the chain.
962 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
964 * configure.in (gxx_include_dir): Rename to
965 gcc_gxx_include_dir in order to prevent it being overridden by
966 a top level Makefile.
967 (gcc_tooldir): If $exec_prefix != $prefix then use the
968 difference between the two as the basis for gcc_tooldir.
970 * configure: Rebuild.
972 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
974 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
976 * unroll.c (copy_loop_body): Don't make extra copies of
977 NOTE_INSN_LOOP_CONT notes.
979 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
981 * tree.c (save_tree_status): Don't treat functions with no context
984 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
986 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
989 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
991 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
992 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
993 current_function_file): Add the `const' keyword.
994 (normal_memory_operand): Mark parameter `mode' with
996 (alpha_expand_unaligned_load): Add a default case to a switch.
998 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
999 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
1000 (normal_memory_operand): Add prototype.
1002 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
1003 comparing against one.
1005 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1007 * mips.c (abort_with_insn): Make function static, add a prototype,
1008 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
1009 (current_function_file, mips_cpu_string, mips_isa_string,
1010 mips_abi_string, mips_no_mips16_string, mips_entry_string,
1011 mips_move_1word, mips_move_2words, output_block_move, load_store,
1012 override_options, make_temp_file, mips16_fp_args): Qualify a char*
1013 with the `const' keyword.
1015 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
1016 mips_abi_string, mips_entry_string, mips_no_mips16_string,
1017 mips_move_1word, mips_move_2words, output_block_move): Likewise.
1018 (abort_with_insn): Remove extern prototype.
1020 * mips.md: Qualify a char* with the `const' keyword.
1021 Remove many unused variables named `label'.
1023 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
1025 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
1027 (install-cpp, uninstall-cpp): New targets.
1028 (install-normal): Depend on $(INSTALL_CPP).
1029 (uninstall): Depend on $(UNINSTALL_CPP).
1030 * configure.in (cpp_install_dir): New, substitute.
1031 (tmake_file): Added t-install-cpp for --enable-cpp.
1032 * configure: Rebuilt.
1033 * cpp.sh: New cpp script.
1034 * config/t-install-cpp: New target fragment.
1036 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1037 Jeffrey A Law (law@cygnus.com)
1039 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
1041 (cse_insn): Avoid creating a bogus REG_EQUAL note for
1042 (const (minus (label) (label)))
1043 (record_jump_cond): Fix mismatched paren in comment.
1045 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
1047 * final.c (end_final): There are 11 words in the "main header"
1050 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
1052 * extend.texi: Reference __extension__ in the index.
1054 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
1056 * Makefile.in (CROSS_FLOAT_H): Delete.
1057 (FLOAT_H): Use float_h_file.
1058 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
1060 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
1061 (mostlyclean): Delete gloat.h reference.
1062 (install-cross-rest, install-float-h-cross, stmp-headers): Update
1064 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
1065 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
1066 (float_h_file): Set from float_format. Substitute into Makefile.in.
1067 (float_format): No longer substitute into Makefile.in.
1068 * cross-make (FLOAT_H): Delete.
1069 * config/mips/t-cross64 (FLOAT_H): Delete.
1070 * configure: Rebuilt.
1072 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
1074 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
1075 insn to be an INSN before looking at its pattern.
1077 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
1079 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
1080 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
1081 HImode reg when TARGET_5200.
1083 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1085 From Toshiyasu Morita:
1086 * sh.h (CACHE_LOG): SH2 has cache, too.
1088 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
1090 * toplev.c (compile_file): Disable -ffunction-sections and
1091 debugging warning if the object format is elf.
1093 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1095 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
1096 when the data in 8-bit area and can not be addressed by 8-bit.
1098 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
1100 * flow.c (create_basic_block): Disregard integrated bb notes.
1102 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
1104 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
1106 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
1108 * config/i386/t-sco5gas (crti.o): New target.
1110 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
1112 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
1113 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
1114 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
1115 load_multiple, allocate_stack, call_indirect_aix32,
1116 call_indirect_aix64, call_value_indirect_aix32,
1117 call_value_indirect_aix64, call_indirect_nt,
1118 call_value_indirect_nt): Use gpc_reg_operand instead of
1121 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
1123 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
1124 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
1126 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
1127 allow andi. or andis. which always set cr0.
1129 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1131 * version.c: Bump for snapshot.
1133 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
1135 * invoke.texi: Update information for PA scheduling.
1137 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1138 Mike Stump <mrs@wrs.com>
1140 * pa.c (override_options): Change default to 7100LC
1142 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
1143 float regs before right half of float regs.
1145 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
1146 Jeffrey A Law (law@cygnus.com)
1148 * frame.h: Update some comments.
1149 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
1150 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
1151 using TARGET_WEAK_ATTRIBUTE.
1152 (__do_global_dtors_aux): Check if __deregister_frame_info is
1153 zero before calling it.
1154 (__do_global_dtors): Likewise.
1155 (frame_dummy): Check if __register_frame_info is zero before
1157 (__frame_dummy): Likewise.
1159 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1161 * SERVICE: Update from the FSF.
1163 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1165 * config/i386/t-sco5 (crti.o): New target.
1166 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1168 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1170 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1172 * md.texi (prologue,epilogue): Document named patterns.
1174 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1176 * md.texi, invoke.texi: Fix unterminated @xrefs.
1178 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1180 * genattrtab.c (simplify_knowing): Fix uninitialized read
1183 * genextract.c (main): Clear recog_operands before extracting.
1185 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1187 * c-pragma.c (add_weak); Delete. Moved into...
1188 * varasm.c (add_weak): New external function.
1189 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1190 the list of weak functions.
1191 * c-pragma (add_weak): Declare.
1193 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1195 Flow rewrite to use basic block structures and edge lists:
1197 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1198 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1199 (struct edge_def): New.
1200 (struct basic_block_def): New.
1201 (basic_block_info): New.
1202 (BLOCK_HEAD, BLOCK_END): Update.
1203 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1204 (uid_block_number): Kill.
1205 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1206 (BLOCK_NUM): Update.
1207 * flow.c (XNMALLOC): Kill.
1208 (max_uid_for_flow): Kill.
1209 (uid_block_number): Kill.
1210 (uid_volatile): Turn into a bitmap.
1211 (SET_INSN_VOLATILE): New.
1212 (basic_block_info): New.
1213 (entry_exit_blocks): New.
1214 (x_basic_block_head, x_basic_block_end): Kill.
1215 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1216 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1217 (basic_block_loop_depth): Kill.
1218 (basic_block_for_insn): New.
1219 (find_basic_blocks): Split out initial block counting into
1220 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1221 (count_basic_blocks): New.
1222 (find_basic_blocks_1): Split out edge recognition, unreachable
1224 (create_basic_block): New.
1225 (compute_bb_for_insn): New.
1227 (free_bb_memory): Kill.
1228 (add_edge, add_edge_to_label): Kill.
1229 (mark_label_ref): Kill.
1230 (make_edges): Rewrite to use edge lists.
1231 (make_edge, make_label_edge): New.
1232 (mark_critical_edges): New.
1233 (split_edge, insert_insn_on_edge): New.
1234 (commit_one_edge_insertion, commit_edge_insertions): New.
1235 (delete_unreachable_blocks): Rewrite to use edge lists.
1236 Split out EH region manipulation into delete_eh_regions.
1237 Call tidy_fallthru_edge and merge_blocks.
1238 (delete_eh_regions): New.
1239 (delete_note_p): New.
1240 (delete_insn_chain): New.
1241 (delete_block): Split out code into delete_insn_chain and
1242 tidy_fallthru_edge. Update edge lists.
1243 (expunge_block): New.
1244 (flow_delete_insn): New?
1245 (can_delete_label_p): New?
1246 (merge_blocks_nomove, merge_blocks): New.
1247 (tidy_fallthru_edge): New.
1248 (calculate_loop_depth): New.
1249 (life_analysis): Allocate and free uid_volatile.
1250 (free_basic_block_vars): Update for new structures.
1251 (record_volatile_insns): Use SET_INSN_VOLATILE.
1252 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1253 (mark_used_regs): Likewise.
1254 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1255 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1256 life propagation from EXIT_BLOCK rather than last block. Clear
1257 regs_ever_live after mark_regs_live_at_end.
1258 (allocate_for_life_analysis): Update for new structures.
1259 (propagate_block): Split out loop depth calculation to
1260 calculate_loop_depth.
1261 (regno_uninitialized): Use bb->global_live_at_start.
1262 (regno_clobbered_at_setjmp): Likewise.
1263 (dump_bb_data): Likewise.
1264 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1265 (dump_flow_info): Update for new structures.
1266 (dump_edge_info): New.
1267 (print_rtl_with_bb): Update for new structues.
1268 (compute_preds_succs): Do no work -- convert edge lists.
1269 (set_block_for_insn): From corpse of old set_block_num.
1270 (set_block_num): Call it.
1272 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1273 * rtl.h (rtunion_def): Add bb entry.
1274 (NOTE_BASIC_BLOCK): New.
1275 (NOTE_INSN_BASIC_BLOCK): New.
1277 * varray.h (varray_data_tag): Add bb entry.
1278 (VARRAY_BB_INIT, VARRAY_BB): New.
1280 * emit-rtl.c (emit_label_before): New.
1282 * except.c (expand_rethrow): Delete insns following the call to
1283 rethrow. Put the REG_EH_RETHROW on the call.
1285 * jump.c (returnjump_p, returnjump_p_1): New.
1287 * expr.h (nonlocal_goto_handler_labels): New declaration.
1288 * function.c (nonlocal_goto_handler_labels): Define it.
1289 (push_function_context_to): Save it.
1290 (pop_function_context_from): Restore it.
1291 (init_function_start): Clear it.
1292 (nonlocal_label_rtx_list): Kill.
1293 * function.h (struct function): Add storage space for it.
1294 * stmt.c (expand_nl_handler_label): Return the new label.
1295 (expand_nl_goto_receivers): Collect a list of them in
1296 nonlocal_goto_handler_labels.
1298 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1299 (flow.o): Depend on insn-flags.h.
1301 * function.c (thread_prologue_and_epilogue_insns): Do not
1302 half-heartedly update bb structures.
1304 * toplev.c: Add flow2 dump as -dw.
1305 (rest_of_compilation): Finish .greg before flow2.
1307 * graph.c (draw_edge): Handle class 3.
1308 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1309 change non-fall-thru but adjacent to green class 3. Update
1310 to use new structures.
1312 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1314 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1316 (reg_to_stack): Initialize block_num to -1.
1318 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1319 to basic_block_live_at_start to bb->global_live_at_start.
1320 (try_combine): Likewise.
1321 (reg_dead_at_p): Likewise.
1322 * global.c (global_conflicts): Likewise.
1323 Handle stack regs on all abnormal edges, not just computed jumps.
1324 (mark_elimination): Update reference to basic_block_live_at_start.
1325 (build_insn_chain): Likewise.
1326 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1327 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1328 of nonlocal_label_rtx_list.
1329 (check_live_1): Update reference to basic_block_live_at_start.
1330 (update_live_1): Likewise.
1331 (find_pre_sched_live): Likewise.
1332 (find_post_sched_live): Likewise.
1333 * local-alloc.c (update_equiv_regs): Likewise.
1334 (block_alloc): Likewise.
1335 * reload1.c (reload, reload_combine): Likewise.
1336 * regmove.c (mark_flags_life_zones): Likewise.
1337 * resource.c (mark_target_live_regs): Likewise.
1338 * sched.c (schedule_block): Likewise.
1340 * regclass.c (regset_release_memory): Don't free
1341 basic_block_live_at_start.
1343 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1345 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1347 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1348 * fixinc.svr4: Likewise.
1350 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1351 rather than asserting it.
1353 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1355 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1356 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1357 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1360 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1361 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1362 scan-decls.o): Don't depend on machmode.h.
1364 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1365 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1367 * cppfiles.c: Likewise.
1369 * cpplib.c: Likewise.
1371 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1373 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1375 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1376 * objc/lang-specs.h: Likewise.
1378 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1380 * pa.md (call patterns): Lose unused argument to output_call.
1382 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1384 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1386 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1387 first argument. All callers changed.
1389 (cpp_lookup, cpp_install): Change all refs to hashtab to
1391 (cpp_hash_cleanup): Removed.
1392 * cpphash.h: Adjust prototypes.
1393 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1394 * cppinit.c (cpp_reader_init): Also allocate space for the
1396 (cpp_cleanup): Delete all macros and free the hashtab.
1398 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1400 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1403 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1404 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1405 * calls.c (expand_call): Likewise.
1407 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1409 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1410 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1411 arguments in registers.
1412 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1413 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1416 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1418 * cse.c (dump_class): Revert last change and make the prototype
1421 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1423 * rtl.h (insn_first_p): Don't declare.
1424 * rtlanal.c (insn_first_p): Delete.
1425 * loop.c (loop_insn_first_p): Faster implementation.
1427 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1429 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1430 (TARGET_3, TARGET_6): Delete.
1431 (ARM_FLAG_ARM[36]): Delete.
1432 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1433 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1434 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1435 * arm.c (arm_override_options): Delete warnings about deprecated
1438 * arm.c (arm_finalize_pic): Build the label into the special pic
1439 adjustment insn instead of issuing it separately.
1440 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1443 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1444 (*ne_zeroextractsi): New pattern.
1446 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1448 * stmt.c (expand_end_loop): Grok code emitted by
1449 expand_exit_loop_if_false.
1451 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1453 * config/arm/arm.c (return_in_memory): Float fields in unions
1454 force a return in memory.
1455 (load_multiple_sequence): Add comment explaining why two LDR
1456 instructions can be better than an LDMIA instruction.
1458 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1459 describing the real meaning of this option.
1460 (FIXED_REGISTERS): Default r10 to not-fixed.
1461 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1462 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1464 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1465 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1466 performing other checks.
1468 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1469 (extendhisi2): Undo previous change.
1470 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1471 ignored for armv4(t) architectures.
1473 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1476 * config/arm/riscix1-1.h
1477 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1479 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * cse.c (dump_class): Make the function definition static to match
1484 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1486 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1488 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1489 endian correction for parms passed in regs but living on the stack.
1491 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1493 * calls.c (initialize_argument_information): New function extracted
1495 (expand_call): Use initialize_argument_information. Remove variables
1496 which are no longer used due to cleanups.
1498 * calls.c (compute_argument_block_size): New function, extracted from
1500 (expand_calls): Use compute_argument_block_size. Delete
1501 original_args_size, use unadjusted_args_size instead.
1503 * calls.c (precompute_arguments): New function, extracted from
1505 (expand_call): Use precompute_arguments.
1507 * calls.c (finalize_must_preallocate): New function, extracted from
1509 (expand_call): Use finalize_must_preallocate.
1511 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1513 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1514 An alternative always fails if it needs a pseudo and no suitable
1515 register class can be found.
1517 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1519 * loop.h (loop_insn_first_p): Declare.
1520 * loop.c (loop_insn_first_p): No longer static.
1521 * unroll.c (iteration_info) Fix comparison to
1522 reg_iv_type->num_elements.
1523 Before accessing reg_biv_class, check index against
1524 max_reg_before_loop.
1525 Fix and enable code for giv iterators.
1526 (loop_iterations): Compare with reg_iv_type->num_elements instead
1527 of with max_reg_before_loop.
1529 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1531 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1533 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1535 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1536 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1538 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1540 * config/i386/i386.md: fix typoe.
1542 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1544 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1545 frame_pointer_needed adjust frame size.
1546 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1547 in .frame pseudo-op.
1548 Frm Jim Wilson <wilson@cygnus.com>:
1549 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1550 when TARGET_MIPS16 && frame_pointer_needed.
1552 1999-02-22 Nick Clifton <nickc@cygnus.com>
1554 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1555 Add -mno-sched command line switch to disable scheduling of
1556 instructions into the function's prologue.
1557 (enum processor_type): Remove.
1558 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1559 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1560 fields with 'processors' field.
1561 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1562 checking is not enabled.
1563 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1565 * config/arm/arm.c: (arm_cpu): Remove.
1566 (tune_flags): Remove.
1567 (arm_is_strong): New variable: true iff the target processor is a
1569 (arm_is_6_or_7): New variable: true iff the target processor is an
1571 (arm_select): Fields reorganised.
1572 (struct processors): processor_type field removed.
1573 (all_procs): Remove.
1574 (all_cores): New array: Definitions of all known ARM cpu cores.
1575 (all_architectures): New array: Definitions of all known ARM
1578 (FL_SCHED): New processor flag: processor required load
1580 (FL_STRONG): New processor flag: processor is a StrongARM.
1581 (arm_override_options): Reorganised to make code clearer.
1582 (use_return_insn): Test for "not (TARGET_APCS and
1583 frame_pointer_needed)".
1584 (arm_return_in_memory): Improve handling of structures.
1586 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1587 "is_strongarm" and "is_arm_6_or_7" attributes.
1588 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1590 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1592 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1594 1999-02-22 Philip Blundell <philb@gnu.org>
1596 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1597 definition with one including cache synchronisation.
1598 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1599 Move definition of inhibit_libc to...
1600 * config/arm/xm-linux.h: ... here.
1602 * config/arm/t-linux: Disable multilib configurations since the
1603 only effect for most people is to cause builds to fail.
1605 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1606 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1608 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1609 (HANDLE_SYSV_PRAGMA): Likewise.
1610 (LIB_SPEC): Copy definition from generic Linux files.
1611 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1612 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1613 (DWARF2_DEBUGGING_INFO): Define.
1614 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1616 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1618 * loop.c (libcall_other_regs): Make extern.
1619 * rtl.h (find_last_value): Add parameter to prototype.
1620 (libcall_other_reg): Add extern declaration.
1621 * rtlanal.c (find_last_value): Add another parameter to allow
1622 a definition using a hardware register to be found as well.
1624 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1626 * cse.c (dump_class): New function.
1627 (invalidate_memory): Fix typo in comment.
1628 * function.c (temp_slot): Add an alias set field.
1629 (assign_stack_temp): Only reuse slots if they will have the
1630 same alias set as before.
1631 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1633 * rtl.c (copy_rtx): Copy all the flags (in particular,
1636 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1638 * configure.in (i[34567]86-*-linux-gnu*,
1639 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1640 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1643 * configure: Rebuilt.
1645 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1648 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1650 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1651 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1652 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1655 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1657 * objc/objc-act.c (encode_type): Temporary revert to the old
1658 behavior of encoding types as the new one seems to break the
1659 encoding of bitfields.
1661 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1662 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1664 * Makefile.in (all.internal, all.cross): Depend on `doc'
1665 target, to ensure docs get made before installation.
1668 Decrease spurious warnings from -fsyntax-only:
1669 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1671 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1673 * c-lex.c (yylex): Replace warning about integer constants being
1674 larger than long-longs, with a warning about integer constants
1675 being larger than the largest target integer.
1677 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1679 Fix -fsyntax-only ICEs:
1680 * varasm.c (assemble_zeros, assemble_variable,
1681 output_constant_def): Do nothing when -fsyntax-only.
1683 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1685 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1686 * configure: Rebuilt.
1688 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1690 * version.c: Bump for snapshot.
1692 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1694 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1695 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1696 * tm.texi: Update docs for constructors and destructors.
1698 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1700 * genattrtab.c (check_attr_value): Allow negative const_int if
1701 negative_ok. Accept integral arithmetic operators. Accept
1702 direct references to other attributes. Accept symbol_ref in
1703 non-constant attributes.
1704 (max_attr_value): Add new argument `unknownp'. Update all callers.
1705 (or_attr_value): Likewise.
1706 (simplify_knowing): Don't optimize if max_attr_value unknown.
1707 (write_length_unit_log): Likewise with or_attr_value.
1708 (find_and_mark_used_attributes): Don't fallthru case.
1709 (write_attr_set): Pass thru all non-cond expressions.
1710 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1712 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1714 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1716 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1718 * regmove.c (discover_flags_reg): Remove cc0 code.
1719 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1720 a potential flags register was identified.
1722 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1724 * rs6000.md (scc plus ltu): Fix typo in last change.
1726 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1728 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1730 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1732 * regmove.c (discover_flags_reg): New function.
1733 (flags_set_1, mark_flags_life_zones): New functions.
1734 (regmove_optimize): Call them.
1735 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1737 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1739 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1741 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1742 Use loop_insn_first_p.
1744 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1745 David Edelsohn <edelsohn@gnu.org>
1747 * rs6000.md (scc plus eq): Fix output template.
1748 (scc plus ltu): Fix output template and collapse variants
1749 correcting early clobbers.
1750 (scc plus geu): Fix output template.
1751 (scc plus gt): Fix output template.
1752 (scc plus gtu): Fix output template and collapse variants.
1754 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1756 * cppinit.c (print_help): Remove unescaped newline in string.
1758 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1760 * loop.c (strength_reduce): Check for intervening jumps when
1761 converting biv increment to giv.
1763 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1765 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1766 * expr.c (expand_expr): Support new tree nodes.
1768 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1770 * config/m68k/m68k.c (m68k_align_loops_string,
1771 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1772 * config/m68k/m68k.h (m68k_align_loops_string,
1773 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1775 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1779 * bitmap.h (bitmap_print): Likewise.
1781 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1783 * c-lang.c (build_objc_string): Likewise.
1785 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1786 limits.h or ctype.h. Remove unused variable `p'.
1788 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1790 * c-pragma.c (handle_pragma_token): Likewise.
1792 * c-pragma.h (handle_pragma_token): Likewise.
1794 * c-tree.h (build_objc_string, builtin_function, grokfield,
1795 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1796 pedwarn_init): Likewise.
1798 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1799 push_string, warning_init, incomplete_type_error,
1800 build_indirect_ref, lvalue_or_else, readonly_warning,
1801 build_c_cast, spelling, push_member_name, print_spelling,
1802 error_init, pedwarn_init, start_init): Likewise.
1804 * objc/objc-act.c (build_objc_string): Likewise.
1806 * print-tree.c (print_node_brief, print_node): Likewise.
1808 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1810 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
1812 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1814 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1816 * configure.in :Handle OpenBSD platforms.
1817 * configure: Rebuilt.
1818 * config/openbsd.h: New file.
1819 * config/xm-openbsd.h: New file.
1820 * config/t-openbsd: New file.
1821 * config/t-openbsd-thread: New file.
1823 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1825 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1826 assign_stack_local for BLKmode slots.
1828 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1830 * loop.c (strength_reduce): For derived givs, replace the
1831 giv this was derived from with its new_reg.
1832 (recombine_givs): Don't set new_reg for derived giv.
1833 And don't print it, print SUM instead.
1835 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1837 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1839 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1841 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1842 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1844 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1845 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1846 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1847 cpp_pending, version_string, struct default_include,
1848 include_defaults_array, path_include, cpp_options_init,
1849 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1850 cpp_reader_init, nreverse_pending, push_pending, print_help,
1851 cpp_handle_option, cpp_handle_options, cpp_finish,
1852 cpp_cleanup): Move to cppinit.c.
1853 (macro_cleanup, struct arglist, collect_expansion,
1854 create_definition, compare_defs, comp_def_part, ARG_BASE,
1855 struct argdata, macarg, change_newlines, timestamp,
1856 monthnames, special_symbol, unsafe_chars, macroexpand,
1857 push_macro_expansion): Move to cpphash.c.
1858 (quote_string, check_macro_name, cpp_expand_to_buffer,
1859 output_line_command, cpp_undef): Export.
1860 (null_underflow, null_cleanup, handle_directive): Make static.
1862 * cpplib.h: Prototype now-exported functions. Adjust decls of
1863 syntax tables so we can include cpplib.h in cppinit.c.
1864 * cpphash.h: Prototype all functions exported by cpphash.c.
1865 * cppinit.c: Make syntax tables initialized data if possible
1866 (uses GCC designated-initializer extension).
1867 * cppexp.c: Make cpp_lex static.
1868 * Makefile.in: Move -D switches for the various include dirs
1869 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1871 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1873 * alpha/openbsd.h: New file.
1874 * alpha/xm-openbsd.h: New file.
1875 * sparc/openbsd.h: New file.
1876 * sparc/xm-openbsd.h: New file.
1877 * m68k/openbsd.h: New file.
1878 * m68k/xm-openbsd.h: New file.
1879 * i386/openbsd.h: New file, originally from netbsd.
1880 * i386/xm-openbsd.h: New file.
1882 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1884 * Makefile.in: Correct dependencies for cpplib object files.
1886 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1888 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1891 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1893 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1896 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1898 * tree.c (tree_node_kind_names, print_obstack_name,
1899 get_identifier, maybe_get_identifier, build_string,
1900 build_expr_wfl, is_attribute_p, lookup_attribute,
1901 print_obstack_statistics, get_file_function_name_long, tree_check,
1902 tree_class_check, expr_check): Qualify a char* with the `const'
1905 * tree.h (get_identifier, maybe_get_identifier, build_string,
1906 build_expr_wfl, is_attribute_p, lookup_attribute,
1907 print_obstack_statistics, print_obstack_name, tree_check,
1908 tree_class_check, expr_check): Likewise.
1910 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1912 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1915 * calls.c (store_one_arg): Mark any slots used for the argument
1916 as in-use immediately after we're done saving any slots which
1917 will be overwritten by this argument.
1919 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1921 * rs6000.md (call_value): Fix typo.
1923 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1925 * loop.c (strength_reduce): Calculate maybe_dead before
1926 calling recombine_givs.
1928 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1930 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1932 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1934 * objc/objc-act.c (encode_type): Encode the type instead of
1935 encoding the mode of the type (patch from Richard Frith-Macdonald
1936 <richard@brainstorm.co.uk>).
1938 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1940 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1941 instruction killed in previous change. Simplify mask generation.
1942 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1944 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1946 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1947 bitfield does not overflow a byte boundary.
1949 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1951 * c-common.c (shorten_compare): Get the min/max value from the
1952 underlying type of an enumeration, not the enumerated type itself.
1954 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1956 * jump.c: Include insn-attr.h.
1957 (delete_computation): If reload has completed and insn scheduling
1958 after reload is enabled, then do not depend on REG_DEAD notes.
1959 * Makefile.in (jump.o): Depend on insn-attr.h.
1961 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1963 * i386.md (addsi3): Allow lea for any constant_p.
1965 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1967 * toplev.c (documented_lang_options): Remove -fident and
1968 -fnoident, which are now handled by the language independent
1971 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1973 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1974 * c-lex.c: Likewise.
1975 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1976 list in malloced memory for the buffer stack.
1977 (cpp_get_token): Don't pop the last buffer off the stack.
1978 Calls after CPP_EOF has been returned produce CPP_EOF with no
1980 (cpp_finish): Pop last buffer here.
1981 (do_line): Don't free ip->last_nominal_fname if it is equal to
1983 (special_symbol): If a T_CONST is the empty string, push a
1984 single `@ ' escape instead.
1985 (macroexpand): Special symbol buffers have escapes too.
1986 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1988 (struct cpp_reader): Remove buffer_stack. Add
1990 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1993 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1995 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1996 WIDE_INT with WIDEST_INT.
1999 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
2000 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
2001 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
2002 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
2003 definition of variable `c89' when compiling a test binary and set it.
2005 * system.h: Don't define the PRINTF_PROTO_* macros.
2007 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
2009 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
2010 we do not understand, mark the loop and containing loops as invalid.
2012 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2014 * alias.c (init_alias_analysis): Avoid self-referential value
2015 when setting reg_known_value from REG_EQUAL notes.
2017 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
2019 * i386.c (legitimate_address_p): Verify modes of base and index.
2021 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
2023 * i386.c (legitimate_pic_address_disp_p): Remove static.
2024 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
2027 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
2029 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
2030 * explow.c (probe_stack_range): Likewise.
2031 * expmed.c (do_cmp_and_jump): Likewise.
2032 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
2033 (do_tablejump): Likewise.
2034 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
2035 (do_jump_if_equal, emit_case_nodes): Likewise.
2036 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
2037 then convert comparison to an unsigned code before emitting the jump.
2038 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
2040 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
2042 * version.c: Bump for snapshot.
2044 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2046 * version.c: Bump for snapshot.
2048 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
2050 * loop.c: Disable recent loop changes. Temporary as Joern
2051 continues to fix problems.
2053 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
2055 * loop.c (combine_givs_used_by_other): Delete.
2056 (combine_givs_benefit_from): Delete.
2057 (combine_givs): Deny combination of givs only used once. Simplify
2058 code with the death of combine_givs_benefit_from.
2060 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2062 * loop.c (scan_loop): Call reg_in_basic_block_p before
2063 loop_reg_used_before_p.
2065 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
2067 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
2071 * arm.h (TARGET_OPTIONS): Reformat for clarity.
2072 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
2073 in the constant pool aren't valid.
2074 (LEGITIMATE_PIC_OPERAND_P): Likewise.
2076 * arm.c: Include "system.h", not stdio.h and string.h.
2078 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
2080 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
2081 (optimize_tail_recursion): Change return type from void to int.
2082 Add return statements.
2083 * tree.h (optimize_tail_recursion): Change prototype to match.
2085 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2087 * reload.c (find_reloads_subreg_address): New function, broken out of
2088 find_reloads_toplev.
2089 (find_reloads_toplev, find_reloads_address_1): Use it.
2091 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
2093 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
2094 extending a CONST_INT.
2096 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
2098 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2100 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
2102 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
2104 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2106 * loop.c (load_mems): Don't guess how to do a load / store, use
2109 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2111 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
2113 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2115 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
2117 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
2119 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
2120 pseudo which is homed in the stack.
2122 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
2123 (compute_frame_size): Change loop over FP regs to be consistent
2124 with the loop in save_restore_insns.
2126 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
2128 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
2129 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
2131 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
2133 * mn10200.md (bset); Re-enable.
2135 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2137 * sh.md (is_sfunc): New attribute.
2138 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
2140 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
2142 * fold-const.c (range_binop): Take account of the bounded nature
2143 of fixed length arithmetic when comparing unbounded ranges.
2145 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
2147 * function.c (assign_stack_temp_for_type): Clear best_p
2148 when an exact match is found.
2150 * i386.h (LOCAL_ALIGNMENT): Define.
2151 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
2152 (assign_stack_temp_for_type): New function based on assign_stack_temp.
2153 (assign_stack_temp): Call it.
2154 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
2155 * stmt.c: Use assign_temp, not assign_stack_temp.
2156 * tm.texi: Document LOCAL_ALIGNMENT.
2158 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2160 * reorg.c: Finish deleting half-deleted comment.
2162 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2164 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2166 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2168 * real.c (endian): Delete sign extension code.
2169 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2170 replaced with operand_subword call.
2172 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2174 * alpha.md (cmov compound patterns): Delete. Jump can now
2175 create the correct constructs in the first place.
2177 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2179 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2181 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2183 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2185 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2187 * tmp-emsgids.c: Delete.
2189 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2191 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2194 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2196 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2198 * reload1.c (reload_combine_note_store): Second argument is no
2199 longer unused/ignored. Handle multi-register hard regs.
2200 (move2add_note_store): Simplify.
2202 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2204 * collect2.c (collect_execute): Remove cygwin-specific code.
2206 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2208 * system.h (_, N_): Remove dummy i18n macros.
2209 * protoize.c: Move inclusion of intl.h to after system.h.
2210 * cexp.y: Include intl.h.
2213 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2215 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2216 fpic/fPIC for windows32 targets.
2217 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2219 * i386/mingw32.h (CPP_SPEC): Define.
2220 (CPP_PREDEFINES): Add MINGW32 version id.
2221 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2223 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2224 add missing exeext to target.
2226 * gcc.c (convert_filename): Handle null filename argument.
2228 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2230 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2231 m constraint instead of QT.
2233 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2235 * cpplib.c (special_symbol): Move IP to be declared in function
2236 scope, rather than individual case statements.
2238 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2240 * cppfiles.c (finclude): Handle pipes properly under old BSD
2243 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2245 * system.h: Provide fallback definitions for S_ISCHR,
2246 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2248 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2250 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2252 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2254 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2255 "740", and "750" as valid arguments to --with-cpu.
2256 * configure: Rebuilt.
2258 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2260 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2261 * configure: Rebuilt.
2263 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2265 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2266 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2268 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2270 * output.h (current_function_has_computed_jump): Rename from
2271 current_function_addresses_labels.
2272 * function.h (struct function): Likewise for addresses_labels member.
2273 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2274 * function.c (current_function_has_computed_jump): Likewise.
2275 Update all references.
2276 * integrate.c (function_cannot_inline_p):
2277 Test current_function_has_computed_jump instead of addresses_labels.
2278 (initialize_for_inline): Likewise save.
2279 (output_inline_function): Likewise restore.
2281 * expr.c (expand_expr): Don't reference addresses_labels variables.
2282 * stmt.c (expand_computed_goto): Set has_computed_jump.
2284 1999-02-08 Michael Meissner <meissner@cygnus.com>
2286 This is being installed only to get it into the repository to help
2287 with the revert, resubmit & review process for the massive rs6000.md
2289 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2291 (anddi3_internal1): Ditto.
2292 (andsi3_internal{2,3}): Correct some insn lengths.
2293 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2296 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2298 * loop.c (reg_single_usage): New file-scope variable ...
2299 (scan_loop): ... moved out of here. Always initialize.
2300 Test loop_has_call instead of reg_single_usage not zero.
2301 Free reg_single_usage after strength reduction.
2302 (count_loop_regs_set): Assume single_usage non-zero.
2303 (combine_givs_used_by_other): Test reg_single_usage.
2304 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2305 as a parameter. Assume non-zero.
2307 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2309 * cpplib.c (special_symbol): Rewrite. Don't copy things
2310 multiple times. Handle __STDC__ specially. T_CONST
2311 indicates a constant /string/. Don't handle T_*_TYPE and
2312 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2313 adjust_position. Determine the file buffer only if needed.
2314 (initialize_builtins): Handle __SIZE_TYPE__,
2315 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2316 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2317 Don't provide __OBJC__; the driver does that. Provide
2318 __STDC_VERSION__, using T_CONST. Use T_STDC for
2319 __STDC__. Give install the length of all symbols defined.
2320 (eval_if_expression): Drop code to insert and remove the
2321 "defined" special symbol.
2323 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2324 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2326 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2327 the `value' parameter. All callers changed.
2328 * cpphash.h (install): Change prototype to match.
2329 (union hashval): Remove `ival' member.
2330 * cppexp.c (cpp_lex): Handle `defined' here.
2332 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2334 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2336 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2338 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2339 initialization of unions whose first member is a bitfield.
2340 Remove unnecessary code for checking the declaration mode
2341 after DECL_C_BIT_FIELD.
2343 * varasm.c (output_constructor): Additional comment about the
2344 constructor of bitfield union initialization.
2346 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2348 * config/c4x/c4x.md (*movhi_stik): New pattern.
2349 (movhi): Allow some immediate constants to be directly
2352 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2354 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2355 (call, call_value): Force address into a register if not valid
2356 for a call instruction.
2357 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2359 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2361 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2363 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2364 Rename from call_operand and symbolic_operand respectively. All
2366 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2368 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2370 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2372 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2374 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2375 LO_SUM address for HImode or HFmode but instead force address into
2376 a register so that it is offsettable.
2377 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2379 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2381 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2382 REG+REG addressing if strength reduction enabled.
2384 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2386 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2387 (TARGET_LIBGCC2_CFLAGS): Define.
2389 1999-02-08 Nick Clifton <nickc@cygnus.com>
2391 * config/v850/v850.md: Replace \\n\\t with \\;
2393 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2394 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2395 Enforce TARGET_LONG_CALLS option.
2397 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2399 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2401 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2403 * m88k/t-luna-gas: Remove bash dependency.
2405 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2407 * collect2.c (xrealloc): Fix typo in last change.
2409 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2411 * version.c: Bump for snapshot.
2413 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2415 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2416 that we do not want macro replacement within a character constant.
2417 (TYPE_CHECK1): Likewise.
2419 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2421 * tree.h (DECL_P): New macro.
2423 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2425 * version.c: Bump for snapshot.
2427 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2429 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2431 * README.g77, gcc.c, gcc.texi: Update email addresses.
2432 * invoke.texi system.h: Likewise.
2434 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2436 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2437 to convert dest_reg to new_reg.
2439 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2441 * reload1.c (reload_combine_note_store): Be more careful with
2442 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2443 (move2add_note_store): Likewise.
2445 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2447 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2448 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2451 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2453 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2456 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2457 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2458 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2459 (CPP_CPU_ARCH_SPEC): Likewise.
2460 (enum processor_type): Likewise.
2461 * config/arm/arm.md (attr cpu): Add arm9.
2463 General scheduling changes
2464 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2465 (max_insns_skipped): New variable.
2466 (arm_override_options): If generating hard floating point code for
2467 the FPA, emit code for version 3.
2468 When optimizing for space, don't synthesize constants.
2469 Reword several flags based on the requested processor and optimization
2471 (use_return_insn): New argument iscond, all callers changed. Don't
2472 use a return insn if it will be conditional and that would be
2473 expensive; eg on StrongARM.
2474 (arm_adjust_cost): Anti- and output- dependencies normally have no
2476 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2477 the sequence is short.
2478 (final_prescan_insn): Use max_insns_skipped instead of
2479 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2480 conditional, and aviod this if it would be expensive.
2481 * config/arm/arm.md (scheduling attributes and function units):
2482 Rewrite to better describe ARM8, 9 and StrongARM.
2484 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2486 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2487 arm_rhsm_operand. Rework constraints.
2488 (*if_plus_move): Likewise.
2489 (*ifcompare_move_plus): Likewise.
2490 (*if_move_plus): Likewise.
2491 (*ifcompre_arith_move): Likewise.
2492 (*if_arith_move): Likewise.
2493 (*ifcompare_move_arith): Likewise.
2494 (*if_move_arith): Likewise.
2496 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2498 1999-02-05 Michael Meissner <meissner@cygnus.com>
2500 * loop.c (check_dbra_loop): A store using an address giv for which
2501 we have no life information is not reversible.
2503 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2505 * function.c (fixup_var_refs): Scan catch_clauses too.
2507 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2509 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2510 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2512 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2514 * loop.c (strength_reduce): Clear not_every_iteration when
2515 passing the NOTE_INSN_LOOP_CONT note.
2517 * haifa-sched.c (add_dependence): Do not add a dependency on a
2520 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2522 * recog.c (split_block_insns): Only call update_flow_info if
2523 instruction scheduling is enabled.
2525 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2527 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2529 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2531 * loop.c (first_loop_store_insn): New file-scope variable.
2532 (prescan_loop): Set it.
2533 (check_dbra_loop): Check if a store depends on a register
2534 that is set after the store.
2536 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2538 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2539 Replace spaces with tabs where appropriate.
2541 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2543 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2544 (strength_reduce): New argument loop_cont. Changed caller.
2545 Before clearing not_every_iteration after a label, check if
2546 we are not already past LOOP_CONT.
2548 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2550 * cpperror.c (cpp_print_containing_files): Fix formatting
2551 bug induced by merge.
2553 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2555 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2556 (cpp_define): Remove redundant syntax checks.
2557 (make_assertion): Rename cpp_assert, remove redundant syntax
2559 (cpp_options_init): Don't init things to zero twice.
2560 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2561 (do_include): Kill excessively verbose #import warning that
2562 snuck back in in the gcc2 merge.
2563 (convert_string): Removed.
2564 (do_line): Rewrite with simple last-name-used cache instead of
2566 (cpp_start_read): Call initialize_char_syntax here, not...
2567 (cpp_reader_init): ...here.
2568 (cpp_handle_options): Support the -std switch.
2569 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2570 (cpp_options): Add c9x flag.
2571 Declare all the is_* tables and trigraph table here, as const.
2572 Prototype cpp_assert and initialize_char_syntax.
2573 * cppinit.c: New file.
2574 * cppfiles.c (read_and_prescan): Optimize.
2575 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2577 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2579 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2580 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2581 before calling gen_div_trap.
2583 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2585 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2586 than numeric value for target_cpu_default..
2587 * configure: Rebuilt.
2589 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2591 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2592 mkstemp. Get them from libiberty.
2593 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2594 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2595 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2596 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2598 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2600 * pa-hpux.h (LINK_SPEC): Likewise.
2601 * pa-hpux10.h (LINK_SPEC): Likewise.
2602 * pa-hpux9.h (LINK_SPEC): Likewise.
2603 * pa-osf.h: (LINK_SPEC): Likewise.
2604 * pa-pro.h (TARGET_DEFAULT): Likewise.
2605 * pa1.h (TARGET_DEFAULT): Likewise.
2606 * pa.h (MASK_*): New defines.
2607 (TARGET_*): Use symbolic values rather than numeric values.
2608 (TARGET_SWITCHES): Likewise.
2609 (TARGET_DEFAULT): likewise.
2610 (CPP_SPEC): likewise.
2612 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2614 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2615 * reload.c (find_reusable_reload): New function, broken out of
2616 push_reload. Add code to verify that none of the involved
2617 outputs are subject to earlyclobbers.
2618 (push_reload): Break out new function find_reusable_reload.
2619 Delete "register" keyword for IN, OUT args.
2621 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2623 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2624 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2625 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2626 Use true_reg_or_0_operand for div_trap.
2628 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2630 * loop.h (express_from): Declare.
2631 (struct induction): Replace derived flag with derived_from pointer.
2632 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2633 (express_from): No longer static.
2634 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2635 When processing an address giv with which another giv has been
2636 combined that has also been derived from a third giv, handle like
2637 having combined with the third giv.
2638 Set splittable_regs_updates appropriately for derived givs.
2640 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2642 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2644 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2646 * pa.c (insn_sets_and_refs_are_delayed): New function.
2647 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2648 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2650 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2652 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2653 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2654 (TARGET_LIBGCC2_CFLAGS): Define.
2655 (LIBGCC2_DEBUG_CFLAGS): Define.
2656 * config/arm/t-netbsd: Likewise.
2657 * config/arm/t-semi: Likewise.
2658 * config/arm/t-semiaof: Likewise.
2659 * config/arm/t-riscix: Likewise.
2661 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2663 * config/m68k/m68k.c (print_operand_address): When printing a
2664 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2666 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2668 * i386/freebsd*.h now allows '$' in label names and does not use the
2669 PCC struct return method.
2671 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2673 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2674 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2675 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2676 names if host == target.
2677 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2678 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2679 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2680 setting them to *_FOR_TARGET.
2681 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2684 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2686 * toplev.h (read_integral_parameter): Declare.
2687 * toplev.c (read_integral_parameter): New function.
2689 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2691 * resource.c, resource.h: New files.
2692 * Makefile.in (OBJS): Add it.
2694 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2695 (split_block_insns): Moved to recog.c.
2696 (update_flow_info): Make public.
2697 * rtl.h: Declare them.
2699 * reorg.c: Moved the functions dealing with computing resource
2700 usage to resource.c.
2702 * sched.c (regno_use_in): Moved to rtlanal.c.
2703 (update_flow_info): Make public.
2704 (schedule_insns): Use split_block_insns.
2706 * recog.c (split_block_insns): New function.
2708 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
2710 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2711 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2713 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2715 * configure.in (arm-*-oabi): Support.
2716 * configure: Regenerate.
2717 * config/arm/unknown-elf-oabi.h: New file.
2719 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2721 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2722 Make the anonymous pattern match when ! optimize_size.
2723 (ashlsi3 size optimizer): New pattern.
2725 * intl/Makefile.in (uninstall): Add missing "; \".
2727 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2729 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2732 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2734 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2735 to after find_and_verify_loops call.
2737 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2739 * (recombine_givs): Don't use a giv that's likely to be dead to
2742 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2743 wrap around when deriving givs.
2745 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2747 * recog.c (check_asm_operands): Treat indeterminate operand ok
2748 results as success. Try harder to resolve a matching constraint.
2749 * stmt.c (expand_asm_operands): Recognize when an output operand's
2750 constraint does not allow memory. Treat indeterminate operand ok
2751 results as failure. Try harder to resolve a matching constraint.
2753 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2755 Use varrays for constant-equivalence data:
2757 * varray.h (struct const_equiv_data): New type.
2758 (union varray_data_tag): New element const_equiv.
2759 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2760 (VARRAY_SIZE): New macro, returns number of elements.
2761 * integrate.h: Include varray.h.
2762 (struct inline_remap): Replace const_equiv_map, const_age_map and
2763 const_equiv_map_size with a const_equiv_varray element.
2764 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2766 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2767 simultaneously, growing the varray if needed.
2769 * integrate.c (global_const_equiv_map,
2770 global_const_equiv_map_size): Deleted, replaced by....
2771 (global_const_equiv_varray): New variable.
2772 (expand_inline_function): References changed.
2773 * integrate.h: Update declarations.
2775 * integrate.c (process_reg_parm, expand_inline_function,
2776 copy_rtx_and_substitute, try_constants, subst_constants,
2777 mark_stores): Use varray allocation and accessor macros, new
2778 integrate.h macros, and global_const_equiv_varray. Don't
2779 conditionalize non-NULL stores on array size; instead, expand the
2781 * unroll.c (unroll_loop): Likewise.
2783 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2784 zero. After allocating varray, always exit through bottom of
2785 function, where it can be deallocated if needed. Don't explicitly
2786 reallocate const_equiv_map storage; instead, just ensure the
2787 varray has been initialized, and update the global reference.
2789 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2791 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2793 * dwarf2out.c (inline): Don't define.
2795 * dwarfout.c (inline): Likewise.
2797 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2799 * loop.c (recombine_givs): Dump recombination and derivation data.
2801 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2803 * flags.h: Declare flag_no_ident.
2804 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2805 * c-tree.h: Don't declare flag_no_ident.
2806 * c-decl.c: Don't define flag_no_ident. Don't process
2807 -f(no-)ident switches here.
2809 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2810 only if !flag_no_ident.
2811 * config/ptx4.h: Likewise.
2812 * config/svr4.h: Likewise.
2813 * config/alpha/elf.h: Likewise.
2814 * config/arm/linux-elf.h: Likewise.
2815 * config/i386/sco5.h: Likewise.
2816 * config/i860/fx2800.h: Likewise.
2817 * config/mips/gnu.h: Likewise.
2818 * config/i386/osfrose.h: Likewise.
2820 * gcc.c (C specs): Map -Qn to -fno-ident.
2821 * objc/lang-specs.h: Likewise.
2823 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2825 * configure.in: Don't remove loop.o and unroll.o when
2826 enable-haifa is selected.
2827 * configure: Rebuilt.
2829 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2831 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2832 movxfcc, movdicc): Delete unconstrained alternatives.
2833 * i386.c (output_fp_conditional_move,
2834 output_int_conditional_move): Delete unused case.
2836 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2838 * version.c: Bump for snapshot.
2840 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2842 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2843 instead of bis and cpys. Combine alternatives where possible.
2845 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2847 * gcov.c (fnotice): Add missing FILE* parameter.
2848 (function_summary): Fix format specifiers in calls to `fnotice'.
2849 (output_data): Likewise.
2851 * toplev.c (fnotice): Constify char* parameter.
2853 * toplev.h (fnotice): Add prototype.
2854 Wrap prototype with BUFSIZ to protect FILE* usage.
2856 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2858 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2860 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2862 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2864 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2865 function definition.
2866 (aliases_everything_p, write_dependence_p):Likewise.
2868 * install.texi: Fix merge lossages.
2870 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2872 * collect2.c (main): Likewise.
2873 * cppmain.c (main): Likewise.
2874 * gcc.c (main): Likewise.
2875 * gcov.c (main): Likewise.
2876 * protoize.c (main): Likewise.
2877 * toplev.c (main): Likewise.
2879 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2882 * loop.c: Disable recent loop changes. Temporary as Joern
2883 continues to fix problems.
2885 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2887 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2889 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2891 * emit-rtl.c (remove_insn): New function.
2892 * rtl.h (remove_insn): Add prototype.
2893 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2895 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2897 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2899 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2901 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2902 when declaring arguments and calling va_arg() to initialize them.
2904 * collect2.c (notice): Likewise.
2906 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2908 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2910 * collect2.c (error): Fix typo in declaration.
2912 * cpperror.c (cpp_message): Likewise.
2914 * cpplib.c (cpp_warning): Likewise.
2916 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2919 * toplev.c (error): Fix typo in declaration.
2921 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2923 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2924 forward from cont dominator.
2926 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2928 * cccp.c (eprint_string): Constify a char*.
2929 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2930 (vnotice): Constify a char*.
2931 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2932 (verror): Constify a char*.
2933 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2934 (vwarning): Constify a char*.
2935 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2937 (verror_with_line): Constify a char*.
2938 (vwarning_with_line): Likewise.
2939 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2941 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2943 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2944 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2945 Also correct typo in parameter name declaration.
2946 (make_assertion): Constify a char*.
2947 (quote_string_for_make): Likewise.
2948 (deps_output): Likewise.
2949 (fatal): Likewise. Use PVPROTO not VPROTO, add
2950 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2951 "__attribute__ ((noreturn))".
2952 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2953 (pfatal_with_name): Likewise.
2954 (pipe_closed): Likewise.
2955 (memory_full): Likewise.
2957 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2959 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2960 may_not_optimize to proper size when converting biv increments
2962 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2965 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2967 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2968 generate complex adds. Changed caller.
2969 Don't generate adds that cost more than the original one.
2970 (strength_reduce): Warning fixes.
2972 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2974 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2975 * configure: Rebuilt.
2977 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2979 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2980 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2981 * loop.h (varray.h): Include.
2982 (struct induction): Change combined_with to unsigned.
2983 New members derived, ix and last_use.
2984 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2985 (REG_IV_TYPE, REG_IV_INFO): Define.
2986 (first_increment_giv, last_increment_giv): Declare.
2987 * loop.c (loop_number_loop_cont): New static variable.
2988 (loop_number_cont_dominator): Likewise.
2989 (reg_iv_type, reg_iv_info): Now varray_type.
2990 (first_increment_giv, last_increment_giv): New variables.
2991 (compute_luids, verify_dominator, find_life_end): New functions.
2992 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2993 (loop_optimize): Allocate loop_number_loop_cont and
2994 loop_number_cont_dominator. Use compute_luids.
2995 (find_and_verify_loops): Initialize loop_number_loop_cont and
2996 loop_number_cont_dominator.
2997 (strength_reduce): Try to find bivs that can be expressed as givs
2998 of another biv, and to convert biv increments into givs.
2999 Call recombine_givs. Handle derived givs.
3000 (record_biv): New argument location. All callers changed.
3001 (record_giv): Initialize derived and last_use fields.
3002 (basic_induction_var): New argument location. All callers changed.
3003 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
3004 Increment combined_with instead of setting to 1.
3005 * unroll.c (derived_regs): New static variable.
3006 (unroll_loop): Initialize it.
3007 Allocate local_regno according to max_reg_num.
3008 (copy_loop_body): Cope with derived givs.
3009 (find_splittable_givs): Check for Givs made from biv increments.
3010 Set derived_regs for givs.
3011 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
3013 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3015 * function.c (purge_addressof_1): Handle case when a register
3016 has been used in a wider mode.
3018 1999-01-27 Bruce Korb <autogen@linuxbox.com>
3020 * fixinc/fixincl.c, fixinc/server.[ch]:
3021 Removed the last of the capitalized variable and proc names.
3023 * fixinc/server.c: Removed the process open code
3024 * fixinc/procopen.c: New file containing the proc open code
3025 * fixinc/inclhack.tpl: Added code to bypass a readability test
3026 when a file is not present. A problem on some systems.
3027 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
3029 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
3031 * cpplib.h (cpp_notice): Add prototype.
3033 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
3035 * Merge gcc2 snapshot 19980929.
3037 * cccp.c (PRINTF_PROTO): Remove.
3038 (PRINTF_PROTO_{1,2,3,4}: Likewise.
3040 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
3042 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
3043 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
3044 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
3046 * gen-protos.c (hashf): Delete in cpphash.o
3047 * gen-protos.c (hashf): Delete in cpphash.o
3049 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
3050 * expmed.c: Likewise.
3051 * rs6000.md: Likewise.
3053 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
3055 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
3057 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
3058 * rs6000.md (movsi, movdi): Likewise.
3060 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
3062 * function.c (expand_function_end): Pass arg_pointer_save_area to
3063 validize_mem before using it. Emit code into a sequence.
3065 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
3067 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
3068 '#' to split patterns. Correct indentation of some new patterns.
3070 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
3072 * cppfiles.c (safe_read): Deleted.
3073 (read_and_prescan): New function, replaces safe_read, converts
3074 and/or warns about trigraphs, silently converts odd line
3075 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
3076 (finclude): Use read_and_prescan; turn off nonblocking mode on
3077 the input descriptor; remove file-size-examination and
3078 no-newline-at-EOF gunk which is longer necessary; be more
3079 careful about checking that we've been handed a legitimate
3080 file to read (only real files, pipes, and ttys are acceptable).
3081 * cpplib.h (cpp_options): Rename no_trigraphs flag to
3082 `trigraphs' and invert its sense.
3083 (trigraph_table): Declare.
3084 (cpp_warning_with_line): Prototype.
3085 * cpplib.c: Remove all references to trigraph_pcp. Define
3086 trigraph_table; initialize it in initialize_char_syntax. Open
3087 files in nonblocking mode. s/no_trigraphs/trigraphs/
3088 throughout, and invert sense. Put cpp_warning_with_line back
3091 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3093 * config/c4x/c4x.h (COUNTER_REGS): New register class.
3094 * config/c4x/c4x.md (*rptb_init): Change constraints.
3095 (rptb_end): Emit alternate looping instructions if
3096 RC register not allocated for loop counter.
3097 (decrement_and_branch_on_count): Allow other registers
3100 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3102 * cppexp.c (struct arglist): Removed.
3103 (parse_number): Use HOST_WIDE_INT for the accumulator.
3104 Allow two `l' suffixes unless C89. Clean up. Make static.
3105 (parse_charconst): New function broken out of cpp_lex.
3106 Code cleaned up drastically. Don't use a token_buffer.
3107 (token_buffer): Removed.
3108 (cpp_lex): Don't call parse_number on a constant string.
3109 Use parse_charconst.
3110 (cpp_parse_expr): Properly handle an ERROR op returned by
3113 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3115 * cpplib.c: Don't include signal.h, sys/times.h, or
3116 sys/resource.h. Don't declare localtime.
3117 (macroexpand): Handle special symbols here.
3118 (push_macro_expansion): Chop off the trailing '@ ' if possible
3120 (cpp_get_token): Don't do either of the above two things here.
3121 Move `string' label just after case '"' so that wide strings
3122 don't crash the preprocessor.
3124 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
3126 * rs6000.md (left shift + set cr patterns): Add missing '#' to
3128 (move register + set cr pattern): Ditto.
3129 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
3130 inadvertently deleted.
3132 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
3134 * stmt.c (stmt_loop_nest_empty): New function.
3135 * tree.h (stmt_loop_nest_empty): Declare it.
3136 * rtl.def (CALL_PLACEHOLDER): New rtx code.
3138 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3140 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
3142 (c4x_check_legit_addr): Remove USE and PLUS, allow
3143 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
3144 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
3145 CONST cases. Add LO_SUM.
3146 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
3147 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
3148 (c4x_print_operand_address): Handle LO_SUM.
3149 (c4x_scan_for_ldp): Delete. Hooray!
3150 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
3152 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
3154 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
3156 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3158 (c4x_U_constraint, symbolic_operand): New functions.
3159 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3160 disable SYMBOL_REF, LABEL_REF, and CONST.
3161 (lsrc_operand, tsrc_operand): Call src_operand instead of
3163 (c4x_operand_subword): Update comments.
3165 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3166 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3167 plus HIGH and LO_SUM for the C40.
3168 (ENCODE_SECTION_INFO): Define macro.
3169 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3171 (PREDICATE_CODES): Add symbolic_operand.
3173 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3174 c4x_emit_move_sequence.
3175 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3176 to avoid symbol references.
3177 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3178 (set_high): Renamed from set_high_use.
3179 (set_lo_sum): Renamed from set_ior_lo_use.
3180 (all call patterns): Make MEM explicit in call address operands.
3181 Modified output templates to use 'U' modifier.
3183 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3185 * version.c: Bump for snapshot.
3187 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3189 * final.c (bb_str): Qualify a char* with the keyword `const'.
3190 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3192 * fix-header.c (read_scan_file): Likewise.
3194 * genoutput.c (output_epilogue, process_template): Likewise.
3196 * local-alloc.c (requires_inout, block_alloc): Likewise.
3198 * output.h (output_asm_insn, assemble_string): Likewise.
3200 * recog.c (recog_constraints, check_asm_operands,
3201 decode_asm_operands, extract_insn, preprocess_constraints,
3202 constrain_operands): Likewise.
3204 * recog.h (operand_alternative, recog_constraints, insn_template,
3205 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3207 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3209 * regmove.c (find_matches): Likewise.
3211 * reload.c (alternative_allows_memconst): Likewise.
3213 * reload1.c (constraint_accepts_reg_p,
3214 reload_cse_simplify_operands): Likewise.
3216 * rtl.h (decode_asm_operands): Likewise.
3218 * scan.h (fn_decl): Likewise.
3220 * varasm.c (assemble_string): Likewise.
3222 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3224 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3225 not been explicitly set.
3226 * configure: Rebuilt.
3228 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3231 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3233 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3234 use $exec_prefix/$target_alias for gcc_tooldir.
3235 * configure: Rebuilt.
3237 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3239 * cppp.c (xrealloc): Fix typo last change.
3240 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3241 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3242 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3244 1999-01-22 Michael Meissner <meissner@cygnus.com>
3246 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3247 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3248 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3249 (cc_reg_not_cr0_operand): Add declaration.
3251 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3252 pseudo register, or a control register that is not CR0.
3254 * rs6000.md (all combiner patterns building . instructions): For
3255 all `.' instructions that do something and set cr0, add an
3256 alternative that does the operation, and then sets a different
3257 flag, in order to avoid using the costly mcrf instruction and also
3258 allow cr0 to be clobbered in asm statements. Also fix a few
3259 patterns that used the wrong register.
3261 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3262 (rs6000_debug_name): Make const char *, not char *.
3264 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3266 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3267 (rs6000_select): Use const char * in casts.
3269 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3271 * Makefile.in (gcc_tooldir): Move before first reference.
3272 Let autoconf substitute in a value.
3273 * configure.in (gcc_tooldir): Only use a relative path to the
3274 tool directory if $exec_prefix == $prefix.
3275 * configure: Rebuilt.
3277 * Makefile.in (tooldir): Replace with gcc_tooldir.
3279 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3281 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3282 (ashldi3 expander): Similarly. Update comments.
3283 (ashrdi_const, lshrdi_const): Fix indention.
3284 (ashrdi3, lshrdi3): FIx indention. Update comments.
3286 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3288 * emit-rtl.c (try_split): Don't try to split non-instructions.
3290 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3292 * expr.c (emit_push_insn): Fix dumb typo.
3294 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3296 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3297 transformations that we have performed earlier.
3298 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3300 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3301 handling, call gen_label_rtx instead.
3303 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3305 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3307 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3308 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3309 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3310 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3311 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3313 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3315 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3316 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3317 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3318 * configure: Regenerate.
3320 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3322 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3324 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3326 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3328 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3330 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3331 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3332 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3333 (move_by_pieces): Use new macros.
3334 (emit_block_move): Use new macros.
3335 (clear_by_pieces): Use new macros.
3336 (clear_storage): Use new macros.
3337 (emit_push_insn): Use new macros.
3338 (expand_expr): Use new macros.
3339 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3341 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3342 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3343 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3344 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3345 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3346 USE_STORE_PRE_DECREMENT): Describe new macros.
3348 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3350 * varasm.c (output_constant_pool): Use floor_log2 instead of
3351 exact_log2 for ASM_OUTPUT_ALIGN.
3353 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3355 * emit-rtl.c (operand_subword): Handle case when a subword outside
3358 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3361 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3363 * cse.c (fold_rtx): Revert 29 Dec change.
3364 (cse_insn): Revert 12 Jan change.
3365 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3366 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3367 * rtl.def: Likewise.
3368 * rtl.h (CONSTANT_P): Likewise.
3370 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3372 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3373 * alpha.c (input_operand): Likewise.
3374 * c4x.c (const_operand): Likewise.
3376 * explow.c (allocate_dynamic_stack_space): Use register_operand
3377 instead of arith_operand, which does not exist.
3379 * 1750a.h: Fix comment closure.
3380 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3381 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3382 * arm.h (TARGET_SWITCHES): Fix typo.
3383 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3384 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3385 (output_delay_insn): Likewise.
3386 * m88k.md (anon rotate insns): Fix set mode mismatch.
3387 (anon BLKmode moves): Commonize and fix set mode mismatches.
3388 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3389 * romp.md (movdf): Fix typo.
3391 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3393 * Makefile.in (install-common): Remove extraneous chmod for gcov
3396 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3398 * function.c (assign_parms): Save and restore setting of
3401 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3403 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3404 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3406 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3408 * recog.c (pop_operand): New function.
3409 * recog.h (pop_operand): Declare it.
3410 * genrecog.c (preds): Define it.
3412 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3413 emitting multiple jump instructions.
3414 * jump.c (condjump_label): New function.
3415 * rtl.h (condjump_label): Declare it.
3417 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3419 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3420 clobber during or after reload.
3422 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3424 * genoutput.c (name_for_index): New function.
3425 (scan_operands, validate_insn_alternatives): Use it.
3426 * genrecog.c (insn_name_ptr_size): New variable.
3427 (make_insn_sequence): Fill in insn_name_ptr.
3428 (merge_trees): Use it.
3430 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3432 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3433 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3434 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3436 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3438 * loop.c (NUM_STORES): Delete.
3439 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3440 (prescan_loop): Properly initialize loop_mems_idx.
3441 (note_addr_stored): Simplify using list structure instead of
3443 (invariant_p, check_dbra_loop, load_mems): Similarly.
3445 * flow.c (invalidate_from_autoinc): New function.
3446 (mark_set_1, mark_used_regs): Use it.
3448 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3450 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3452 * invoke.texi (-mlong-double-64): New option description.
3454 1999-01-19 Jim Wilson <wilson@cygnus.com>
3456 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3457 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3458 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3460 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3461 (CPP_SPECS): Add -mlong-double-64 support.
3462 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3463 (TARGET_SWITCHES): Add -mlong-double-64 support.
3464 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3465 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3466 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3467 (CPP_SPECS): Add -mlong-double-64 support.
3468 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3469 (MULTILIB_DIRNAMES): Add ld64.
3470 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3472 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3474 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3475 invisible reference.
3477 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3479 * rs6000.c (offsettable_addr_operand): Delete.
3480 (offsettable_mem_operand): New function.
3481 * rs6000.h (PREDICATE_CODES): Reflect function change.
3482 (RS6000_SAVE_TOC): Represent address as MEM.
3483 * win-nt.h (RS6000_SAVE_TOC): Same.
3484 * rs6000.md (indirect calls): Change offsettable address parameter
3485 to offsettable memory parameter.
3487 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3489 * rtl.h (rtx_def): Update documentation.
3490 (MEM_IN_STRUCT_P): Likewise.
3491 (MEM_SCALAR_P): New macro.
3492 (MEM_COPY_ATTRIBUTES): Likewise.
3493 (MEM_SET_IN_STRUCT_P): Likewise.
3494 * rtl.texi (MEM_SCALAR_P): Document.
3495 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3496 (fixed_scalar_and_varying_struct_p): New function. Use
3497 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3498 (aliases_everything_p): Likewise.
3499 (true_dependence): Use them.
3500 (write_dependence_p): New function, containing code common to
3501 anti_dependence and output_dependence.
3502 (anti_dependence): Use it.
3503 (output_dependence): Likewise.
3504 * calls.c (save_fixed_argument_area): Don't clear
3506 (expand_call): Use MEM_SET_IN_STRUCT_P.
3507 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3508 (emit_library_call_value): Likewise.
3509 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3510 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3511 (make_extraction): Likewise.
3512 (simplify_shift_const): Likewise.
3513 (gen_lowpart_for_combine): Likewise.
3514 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3515 * emit-rtl.c (operand_subword): Likewise.
3516 (change_address): Likewise.
3517 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3518 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3519 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3520 (copy_blkmode_from_reg): Likewise.
3521 (store_field): Likewise.
3522 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3523 heuristically. Use MEM_SET_IN_STRUCT_P.
3524 (get_memory_rtx): Likewise.
3525 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3526 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3527 MEM_ALIAS_SET on newly returned MEMs.
3528 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3529 (put_reg_into_stack): Likewise.
3530 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3531 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3532 (assign_parms): Likewise.
3533 (expand_function): Likewise.
3534 * integrate.c (expand_inline_function): Likewise.
3535 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3536 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3537 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3538 * print-rtl.c (print_rtx): Print /f for frame_related.
3539 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3540 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3541 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3542 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3543 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3544 (output_constant_def): Likewise.
3545 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3547 (a29k_set_memflags): Use it.
3548 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3549 * c4x.c (c4x_scan_for_ld): Likewise.
3550 * h8300.c (fix_bit_operand): Likewise.
3551 * m88k.c (legitimize_address): Likewise.
3552 (block_move_loop): Likewise.
3553 (block_move_no_loop): Likewise.
3554 (block_move_sequence): Likewise.
3555 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3556 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3557 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3558 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3559 * arm.h (arm_gen_load_multiple): Take scalar_p.
3560 (arm_store_load_multiple): Likewise.
3561 * arm.c (arm_gen_load_multiple): Likewise.
3562 (arm_gen_store_multiple): Likewise.
3563 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3565 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3567 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3568 calls within a libcall block to indicate no throws are possible.
3569 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3570 libcall blocks. Don't add edges to exception handlers if we see
3571 a REG_EH_REGION note with a value of 0.
3572 (make_edges): Override active_eh_region vector if the call has a note
3573 indicating the call does not throw.
3575 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3577 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3579 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3581 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3583 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3585 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3587 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3589 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3590 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3593 1999-01-18 Michael Meissner <meissner@cygnus.com>
3595 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3596 supported with -mcpu=xxx.
3597 (processor_type): Add PROCESSOR_PPC750.
3598 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3599 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3600 (rs6000_adjust_priority): Add declaration.
3602 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3603 processor type as 750, not 603. Allow -mmultiple and -mstring on
3604 little endian 750 systems.
3605 (rs6000_adjust_priority): Stub for now.
3606 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3608 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3610 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3612 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3614 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3615 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3617 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3620 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3622 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3624 * config/mips/mips.md (div_trap): Split div_trap_mips16
3626 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3628 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3630 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3631 Instead of writing to const char *buf directly, use a non-const
3632 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3634 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3637 * dyn-string.c (dyn_string_append): Likewise.
3639 * dyn-string.h (dyn_string_append): Likewise.
3641 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3643 * output.h (end_final, output_operand_lossage, asm_fprintf,
3644 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3647 * profile.c (init_branch_prob): Likewise.
3649 * toplev.c (set_target_switch, vmessage,
3650 v_message_with_file_and_line, v_message_with_decl,
3651 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3652 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3653 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3654 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3655 open_dump_file, dump_rtl, clean_dump_file,
3656 print_version, print_single_switch, print_switch_values,
3657 dump_base_name, debug_args, lang_independent_options,
3658 user_label_prefix, documented_lang_options, target_switches,
3659 target_options, print_time, pfatal_with_name, fatal_io_error,
3660 fatal_insn, default_print_error_function, print_error_function,
3661 report_error_function, error_with_file_and_line, error_with_decl,
3662 error_for_asm, error, fatal, warning_with_file_and_line,
3663 warning_with_decl, warning_for_asm, warning, pedwarn,
3664 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3665 really_sorry, botch, output_quoted_string, output_file_directive,
3666 open_dump_file, rest_of_decl_compilation, display_help, main):
3669 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3670 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3671 warning_with_file_and_line, error_with_file_and_line, sorry,
3672 really_sorry, default_print_error_function, report_error_function,
3673 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3674 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3675 output_file_directive, botch): Likewise.
3677 * tree.h (make_decl_rtl): Likewise.
3679 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3680 make_decl_rtl): Likewise.
3682 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3684 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3685 directory logically rather than physically.
3687 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3689 * loop.c (insert_bct): Hide the definition of variables
3690 `increment_direction', `compare_direction', `add_iteration' and
3693 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3694 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3695 (mode_independent_operand): Mark label `lose' with
3696 ATTRIBUTE_UNUSED_LABEL.
3698 * regclass.c (n_occurrences): Remove prototype and definition.
3700 * reload.c (find_reloads_address_1): Mark variable `tem' with
3703 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3705 * sbitmap.c (sbitmap_copy): Likewise.
3707 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3709 * toplev.c (output_lang_identify): Mark prototype with
3712 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3713 (make_tree_vec): Likewise.
3716 * varasm.c (assemble_static_space): Mark variable `tem' with
3719 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3721 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3722 (install-common): Use it.
3723 (uninstall): Use it.
3724 (uninstall): Use correct names for protoize and unprotoize.
3726 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3727 Jeffrey A Law (law@cygnus.com)
3729 * flow.c (last_mem_set): Delete variable. References removed.
3730 (mem_set_list): New variable.
3731 (life_analysis): Initialize and finalize alias analysis.
3732 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3733 (insn_dead_p): For a store to memory, search the entire mem_set_list
3735 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3736 changes to their addresses. Add new entries to the mem_set_list for
3737 memory writes writes.
3738 (mark_used_regs): Kill entries on the mem_set_list which may be
3739 referenced by a load operation.
3741 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3743 * alias.c (base_alias_check): Add missing return for differing
3746 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3748 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3749 missing local symbols.
3751 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3753 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3755 * system.h (bcopy): Implement with memmove not memcpy.
3757 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3759 * Makefile.in (cppulp.o): Add dependencies.
3761 * i386.md (integer conditional moves): Add missing earlyclobbers.
3763 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3764 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3765 where a register is live.
3767 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3769 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3770 of a FP conditional move is not on the FP register stack.
3772 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3774 * version.c: Bump for snapshot.
3776 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3778 * reload1.c (reload_cse_regs_1): Do not call
3779 reload_cse_simplify_operands for an insn with asm operands.
3781 * cccp.c (print_help): Fix typos.
3782 * cpplib.c (print_help): Fix typos.
3783 * toplev.c (f_optiosn): Fix typos.
3784 (documented_lang_options): Fix typos.
3786 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3788 * gcc.c: (do_spec_1): Fix obvious typo.
3790 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3792 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3793 a non-static function declaration follows a static one.
3795 * invoke.texi (-Wtraditional): Document the extra check now done
3798 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3800 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3801 needed without the addition.
3803 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3805 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3807 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3809 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3811 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
3813 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3814 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3815 non_add_cint_operand, non_logical_cint_operand): Likewise.
3816 (get_issue_rate): Add CPU_PPC604E case.
3817 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3819 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3821 * expr.c (queued_subexp_p): Make public.
3822 * expr.h (queued_subexp_p): Declare it.
3823 * recog.c (asm_operand_ok): New function.
3824 (check_asm_operands): Use it. After reload, use constrain_operands
3826 * recog.h (asm_operand_ok): Declare it.
3827 * stmt.c (expand_asm_operands): Use it to try harder to make
3828 asms initially satisfy their constraints.
3830 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3832 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3833 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3835 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3837 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3838 in delay slot of RPTBD.
3840 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3842 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3843 divide and modulo sign problem.
3845 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3847 * unroll.c (loop_iterations): Return 0 if the last loop insn
3848 is not a jump insn or if the loop has multiple back edges.
3850 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3852 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3853 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3855 * configure: Regenerate using autoconf.
3857 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3859 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3861 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3862 a register with another DEST_ADDR giv if the address is not valid.
3864 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3865 around the call to mcount.
3867 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3869 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3870 generating non-canonical rtl.
3872 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3874 * config/i960/i960.c (i960_output_move_double_zero,
3875 i960_output_move_quad_zero): New functions for moving zeros.
3876 (i960_output_move_double, i960_output_move_quad): Additional code
3877 for situation when moving unaligned register group.
3879 * config/i960/i960.h (i960_output_move_double_zero,
3880 i960_output_move_quad_zero): The function definitions.
3882 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3884 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3886 * config/i960/i960.c (i960_function_prologue): New code (optimal
3887 solution) for saving global registers in local registers.
3888 (form_reg_groups, reg_group_compare, split_reg_group): New
3889 functions used by the code.
3890 (reg_group): New structure definition for the new code.
3892 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3894 * fixinc/fixincl.c (create_file): Pass file creation mask as
3895 third parameter to "open". Use O_TRUNC flag to open instead of
3896 explicitly unlink'ing the file.
3897 (process): and forget about the "chmod" stuff.
3899 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3901 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3902 and substitute. Copy the return value from there into a new pseudo.
3904 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3906 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3907 before generating a call to abort for volatile functions.
3908 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3909 (TARGET_ABORT_NORETURN): Define.
3910 (abort-on-noreturn): New option.
3912 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3914 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3915 and binarycc operations in 3rd annulled delay slot!
3917 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3919 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3920 before generating a call to abort for volatile functions.
3921 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3922 (TARGET_ABORT_NORETURN): Define.
3923 (abort-on-noreturn): New option.
3925 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3927 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3928 Remove prototype which we get from libiberty.h.
3930 * collect2.c (xstrdup): Likewise.
3932 * genextract.c (xstrdup): Likewise for `copystr'.
3933 (mybzero): Remove it and use `memset' instead.
3935 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3936 to use `memcpy' and `memset' instead.
3938 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3939 changed. Remove prototype.
3940 (mybcopy, mybzero): Remove these and use memcpy/memset.
3942 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3944 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3945 generating code for TARGET_64BIT.
3947 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
3949 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3950 HOST_WIDE_INT word-size.
3951 (rs6000_stack_info): Remove redundant alignment of fpmem.
3953 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3955 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3956 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3957 (input_operand): Adjust CONSTANT_P_RTX handling.
3958 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3959 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3960 (movhi, movqi): Remove CONSANT_P_RTX handling.
3961 (movdi): Adjust CONSTANT_P_RTX handling.
3963 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3965 * configure: Regenerate using autoconf.
3967 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3968 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3969 (process): "fchmod" isn't available on all systems, use "chmod"
3971 * fixinc/server.c: Add #include <sys/types.h>.
3972 (STDIN_FILENO): Add default definition if no include file defines
3974 (STDOUT_FILENO): Likewise.
3976 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3978 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3980 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3982 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3983 ensure all prototypes necessary for building libio will be available.
3984 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3985 definitions here as they are not host specific.
3986 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3988 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3990 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3992 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3994 * version.c: Bump for snapshot.
3996 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3998 * rtl.c (rtx_alloc): Use memset instead of inline loop.
4000 * recog.h (recog_op_alt): Declare extern.
4002 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
4004 * function.c (purge_addressof_1): If the note accesses a mem+addressof
4005 in a wider mode than any replacement, adjust the cached replacement.
4006 Cache trivial substitutions as well.
4008 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
4010 * Makefile.in (OBJECTS): Add sbitmap.o.
4011 (BASIC_BLOCK_H): Add sbitmap.h.
4012 * basic-block.h: Move simple bitmap code to sbitmap.h.
4013 * flow.c: Move simple bitmap code to sbitmap.c
4014 * sbitmap.h, sbitmap.c: New files.
4016 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
4018 * alpha.h (TARGET_SWITCHES): Document switches.
4019 (TARGET_OPTIONS): Likewise.
4021 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
4023 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
4025 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
4027 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
4029 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
4030 (basic_block_end): Rename to x_basic_block_end.
4031 (BLOCK_HEAD, BLOCK_END): Update.
4033 * caller-save.c: Change basic_block_head/end references to
4035 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
4036 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
4037 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
4039 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4041 * gcc.c (xstrerror): Renamed from my_strerror. All callers
4042 changed. Remove prototype since we get that from libiberty.h.
4044 * protoize.c (xstrerror): Likewise.
4046 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * gcc.c (read_specs): Ensure format specifiers match their arguments.
4050 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
4052 * tree.c (copy_node): Oops. That would be copy not zero
4053 in that last change.
4055 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4057 * config/c4x/c4x.c: Include system.h.
4058 (c4x_caller_save_map): Disable caller save for RC.
4059 (c4x_optimization_options): Disable scheduling before reload.
4060 (valid_parallel_load_store) : Define return type as int.
4061 Remove unused variable regs.
4062 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
4064 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
4066 (*db, decrement_and_branch_until_zero): Fix up constraints
4067 to keep reload happy.
4069 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
4071 * tree.c (make_node): Call bzero instead of inline clear.
4072 (copy_node, make_tree_vec, build1): Likewise.
4073 (get_identifier): Call strlen instead of inline count.
4074 (maybe_get_identifier): Likewise.
4076 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4078 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
4079 operations in 3rd annulled delay slot.
4080 (*lshrqi3_const_set): Disallow c constraint for operand0.
4081 (modhi3+1, modhi3+2): Set attribute type to multi.
4082 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
4085 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4087 * gansidecl.h: Allow attribute unused on labels only when we are
4088 version 2.93 or higher. Not all versions of 2.92 have this feature.
4090 * version.c: Bump minor number to 93.
4092 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4094 * config/m68k/m68k.h: Declare output_function_epilogue.
4095 * recog.h: Declare next_insn_tests_no_inequality.
4097 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
4099 * stmt.c (optimize_tail_recursion): New function, extracted from ...
4100 (expand_return): Use optimize_tail_recursion.
4101 * tree.h (optimize_tail_recursion): Declare.
4103 * toplev.c (compile_file): Move call to output_func_start_profiler
4104 to after the loop to emit deferred functions.
4106 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4108 * system.h (abort): Supply more detailed information on how to
4109 report an Internal Compiler Error.
4111 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
4113 * fixinc/fixincl.c (*): more decapitalization of variables
4114 plus some explanitory comments
4116 * fixinc/Makefile.in fixinc/mkfixinc.sh:
4117 When the fixincl program does not work for a certain system,
4118 we substitute a shell script. Added user commentary when
4121 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
4123 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4124 allocate memory that will live beyond this function.
4125 (expand_call): Free it here.
4127 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
4129 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
4130 integer data not destined for fp regs.
4131 (LEGITIMIZE_RELOAD_ADDRESS): New.
4133 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
4134 Richard Henderson <rth@cygnus.com>
4136 Support for Hypersparc and Sparclite86x:
4137 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
4138 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
4139 (ASM_CPU32_DEFAULT_SPEC): Likewise.
4140 (TARGET_CPU_DEFAULT): Likewise.
4141 (enum processor_type): Likewise.
4142 (CPP_ENDIAN_SPEC): Handle little endian data.
4143 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
4144 (ADJUST_COST): Call sparc_adjust_cost.
4145 * sparc.c (sparc_override_options): Fix up for the new targets.
4146 (supersparc_adjust_cost): Make static.
4147 (hypersparc_adjust_cost): New.
4148 (ultrasparc_adjust_cost): Make static.
4149 (sparc_adjust_cost): New.
4150 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
4151 (function_unit): Add hypersparc scheduling rules.
4153 * configure.in (with_cpu handler): Recognize hypersparc.
4155 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4157 * config/c4x/c4x.c: Added space after negation operator.
4158 * config/c4x/c4x.h: Likewise.
4159 * config/c4x/c4x.md: Likewise.
4161 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4163 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4165 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4167 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4168 when a test can't be performed due to limited width of
4169 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4170 Fix UDIV case for cases where the first operand has the highest bit
4173 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4175 * pa.h (reg_class): Add FPUPPER_REGS.
4176 (REG_CLASS_NAMES): Similarly.
4177 (REG_CLASS_CONTENTS): Similarly
4178 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4179 (FP_REG_CLASS_P): Likewise.
4180 (REG_CLASS_FROM_LETTER): Similarly.
4181 (CLASS_MAX_NREGS): Similarly.
4183 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4185 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4186 for a typedef of bool. Make sure to have a copy of the file is
4187 in place before we look to fix it. Fix typo in variable name to
4190 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4192 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4193 value_mode for the return mode.
4195 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4197 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4198 debugging as default.
4200 * config/tm-dwarf2.h: New file.
4202 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4204 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4206 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4207 * local-alloc.c (update_equiv_regs): Corresponding changes.
4208 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4210 * calls.c (special_function_p): Push alloca test inside the large
4211 conditional which excludes functions not at file scope or not
4214 * calls.c (special_function_p): New function broken out of
4216 (precompute_register_parameters): Likewise.
4217 (store_one_arg): Likewise.
4218 (store_unaligned_argumetns_into_pseudos): Likewise.
4219 (save_fixed_argument_area): Likewise.
4220 (restore_fixed_argument_area): Likewise.
4221 (expand_call): Corresponding changes.
4223 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4225 * config/c4x/c4x.md (addqi3): If the destination operand is
4226 a hard register other than an extended precision register,
4227 emit addqi3_noclobber.
4228 (*addqi3_noclobber_reload): New pattern added so that reload
4229 will recognise a store of a pseudo, equivalent to the sum
4230 of the frame pointer and a constant, as an add insn.
4232 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4234 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4235 fixinc/server.c: Likewise.
4236 fixinc/server.h: Likewise.
4238 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4240 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4242 (const_sint32_operand): Likewise.
4244 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4246 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4247 is a macro when deciding if we can use `jmp_buf' in prototypes.
4249 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4251 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4252 * configure: Rebuilt.
4253 * i386/xm-go32.h: Define LIBSTDCXX.
4255 * i386/go32.h (MD_EXEC_PREFIX): Define.
4256 (FILE_NAME_ABSOLUTE_P): Define.
4257 (LINK_COMMAND_SPEC): Define.
4259 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4261 * expr.c (store_expr): If the lhs is a memory location pointed
4262 to be a postincremented (or postdecremented) pointer, always
4263 force the rhs to be evaluated into a pseudo.
4265 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4267 * real.c (mtherr): Print more reasonable warning messages.
4269 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4271 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4273 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4274 (new_include_prefix): Constify char* parameters.
4276 * cppfiles.c (read_name_map): Likewise.
4277 (append_include_chain): Likewise. Also, use a writable char* copy
4278 of parameter `dir' which we then modify, rather than using the
4279 parameter itself to store the new writable string.
4280 (remap_filename): Constify some variables. Also, use a writable
4281 char* to store an allocated string which we will be modifying.
4283 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4284 (cpp_start_read): Constify variable `str'.
4286 * cpplib.h (append_include_chain): Constify a char* parameter.
4288 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4289 (add_prefix, save_string): Constify char* parameters.
4290 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4292 * prefix.c: Include prefix.h.
4293 (get_key_value, translate_name, save_string, update_path,
4294 set_std_prefix): Constify various char* parameters and variables.
4295 (save_string): Use xmalloc, not malloc.
4296 (translate_name): Use a writable temporary variable to create and
4297 modify a string before setting it to a const char*.
4299 * prefix.h: New file to prototype functions exported from prefix.c.
4301 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4303 * fixinc/fixincl.c (various): added debug code so
4304 Manfred can trace the processing.
4306 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4307 struct utsname on Ultrix V4.[35].
4309 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4311 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4313 * cpplib.c (skip_if_group): Split out the logic that handles
4314 directive recognition to its own function. Don't use
4315 parse markers; use a bare pointer into the buffer. Use
4316 copy/skip_rest_of_line instead of doing it by hand. Remove
4317 `return on any directive' mode which was never used, and take
4319 (consider_directive_while_skipping): New function, subroutine
4320 of skip_if_group. Logic streamlined a bit.
4321 (conditional_skip, do_elif, do_else): Call skip_if_group with
4324 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4326 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4329 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4331 * extend.texi (Bound member functions): Document.
4333 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4335 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4336 lang_to_string, type_to_string): Make return type const char*.
4337 (print_symbol): Apply `const' keyword to a char*.
4338 (print_file_desc): Cast structure member `crfd' to ulong when
4339 comparing against one.
4341 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4342 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4343 (progname, input_name): Apply `const' keyword to a char*.
4344 Don't redundantly include sys/stat.h.
4345 (alloc_info): Apply `const' keyword to a char*.
4346 (st_to_string, sc_to_string): Likewise.
4347 (hash_string): Cast variable `hash_string' to a symint_t when
4348 comparing against one.
4349 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4350 Likewise cast it to long when comparing against one.
4351 (add_local_symbol): Apply `const' keyword to a char*.
4352 (add_ext_symbol): Likewise.
4353 (add_unknown_tag): Likewise.
4354 (add_procedure): Cast a printf-style field width to an int.
4355 (add_file): Cast PAGE_USIZE to long when comparing against one
4356 (parse_begin): Cast a printf-style field width to an int.
4357 (parse_bend): Likewise.
4358 (parse_def): Likewise.
4359 (parse_end): Likewise.
4360 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4361 (parse_stabs_common): Fix format specifier.
4362 (parse_input): Change type of variable `i' to Size_t.
4363 (write_object): Fix arguments to match format specifiers.
4364 Cast variable `num_write' to long when comparing against one.
4365 (read_seek): Cast variable `sys_read' to symint_t when comparing
4366 against one. Fix arguments to match format specifiers. Cast
4367 variable `size' to long when comparing against one.
4368 (copy_object): Cast result of `sizeof' to int when comparing
4369 against one. Fix arguments to match format specifiers. Cast
4370 variable `ifd' to long when comparing against a signed value.
4373 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4375 * c-common.c (decl_attributes): Allow applying attribute `unused'
4378 * c-parse.in (label): Parse attributes after a label, and call
4379 `decl_attributes' to handle them.
4381 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4383 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4384 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4386 * invoke.texi: Note that labels can be marked `unused'.
4388 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4390 * version.c: Bump for snapshot.
4392 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4394 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4395 RTL for a compare/jump sequence.
4397 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4399 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4400 for a target with HAVE_cc0 defined.
4401 (emit_cmp_and_jump_insns): New function.
4402 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4403 * loop.c (check_dbra_loop): Use it to replace calls
4404 to emit_cmp_insn and emit_jump_insn and to canonicalise
4405 the comparison if necessary.
4406 * unroll.c (unroll_loop): Likewise.
4408 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4410 * fixincludes (sys/utsname.h): Provide forward declaration of
4411 struct utsname on Ultrix V4.[35].
4413 * mips.md (div_trap): Use local labels instead of dot-relative
4416 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4418 * pa.md (branch, negated branch): Handle (const_int 0) as first
4420 * pa.c (output_cbranch): Likewise.
4422 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4424 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4427 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4429 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4431 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4433 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4435 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4437 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4438 (adddi_dishl32): Similarly.
4440 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4441 for each insn in the skipped block.
4443 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4444 constraints after replacing a register address with an autoincrement
4445 address for reload inheritance purposes.
4447 * i386.md (doubleword shifts): Avoid namespace pollution.
4449 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4451 * configure.in (FreeBSD ELF): Needs special crt files.
4453 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4455 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4457 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4459 * loop.c (check_dbra_loop): While reversing the loop, if the
4460 comparison value has a VOID mode use the mode of the other operand
4461 to compute the mask.
4463 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4465 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4466 avoid warnings in compiling explow.c.
4468 (patch from Ken Raeburn, raeburn@cygnus.com)
4469 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4470 fpmem_offset. Compute total size after that, and then
4471 rs6000_fpmem_offset using both values.
4473 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4475 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4476 the future; indeed that already happens in some cases.
4478 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4480 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4481 (arith_operand): Remove constant_p_rtx handling.
4482 (const64_operand, const64_high_operand): Likewise.
4483 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4484 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4485 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4486 * sparc.h (PREDICATE_CODES): Likewise.
4488 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4490 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4492 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4493 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4494 consider constant CONSTRUCTOR constant and to defer some cases
4496 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4497 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4499 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4501 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4502 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4504 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4505 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4506 (sext_add_operand, and_operand, or_operand): Likewise.
4507 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4508 * alpha.h (PREDICATE_CODES): Likewise.
4510 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4512 * version.c: Bump for snapshot.
4514 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4516 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4517 of dangerous casts and stores.
4519 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4521 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4523 * alpha.md (builtin_longjmp): Add missing "DONE".
4525 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4527 * gcc.c (execute): Enable -pipe with win32.
4529 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4531 * config/arm/t-arm-elf: Add multiplib option for leading
4534 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4535 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4537 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4538 than variable 'reload_address_base_reg_class'. [Note this
4539 change is unrelated to the others in this patch].
4541 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4544 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4546 * alias.c (record_alias_subset): Remove ignored `&'.
4547 (init_alias_once): Likewise.
4549 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4551 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4552 fwrite to `int' when comparing against one.
4554 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4555 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4557 * cse.c (rehash_using_reg): Change type of variable `i' to
4560 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4561 assigning it to one.
4563 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4565 * final.c (final_scan_insn): Likewise for variable `i'.
4566 (output_asm_insn): Cast a char to unsigned char when used as an
4569 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4570 assigning it to one.
4572 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4574 * recog.c (preprocess_constraints): Cast a char to unsigned char
4575 when used as an array index.
4577 * regmove.c (find_matches): Likewise.
4579 * reload1.c (calculate_needs): Add default case in switch.
4580 (eliminate_regs_in_insn): Initialize variable `offset'.
4581 (set_offsets_for_label): Change type of variable `i' to unsigned.
4582 (reload_as_needed): Wrap variable `i' in macro check on
4583 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4585 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4586 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4587 when comparing against one.
4589 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4590 unsigned when comparing against one. Likewise for
4591 GET_MODE_ALIGNMENT().
4592 (layout_record): Cast record_align to int when comparing against a
4594 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4597 * tree.c (get_identifier): Cast variable `len' to unsigned when
4598 comparing against one.
4599 (maybe_get_identifier): Likewise
4601 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4603 * toplev.c (rest_of_compilation): Do not set reload_completed.
4604 * reload1.c (reload): Set reload_completed before calling
4605 cleanup_subreg_operands.
4607 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4609 * reload1.c (emit_reload_insns): Check `set' not null before use.
4611 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4613 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4616 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4618 * halfpic.c (half_pic_encode): Delete redundant code.
4620 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4622 * toplev.c (main): Delete handling of -dM as a preprocessor
4625 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4627 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4628 -dI, which are handled by the preprocessor.
4630 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4632 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4633 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4635 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4637 * version.c: Bump for snapshot.
4639 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4641 * version.c: Bump for snapshot.
4643 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4645 * version.c: Bump for snapshot.
4647 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4649 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4651 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4652 write_unit_name, write_eligible_delay, expand_units,
4653 make_length_attrs, write_attr_case, find_attr,
4654 make_internal_attr): Likewise.
4655 * gencheck.c (tree_codes): Likewise.
4656 * gencodes.c (fatal): Likewise.
4657 * genconfig.c (fatal): Likewise.
4658 * genemit.c (fatal): Likewise.
4659 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4660 * genflags.c (fatal): Likewise.
4661 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4662 * genoutput.c (fatal, error, predicates): Likewise.
4663 * genpeep.c (fatal): Likewise.
4664 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4665 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4667 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4669 * configure.in (with-fast-fixincludes): Fix whitespace.
4670 * configure: Rebuilt.
4672 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4673 asm() etc. function declarations in __DECC.
4675 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4677 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4678 is a pseudo register.
4680 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4682 * gcse.c: Include expr.h in order to get the prototype for
4683 get_condition() which is used in delete_null_pointer_checks().
4685 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4687 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4689 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4691 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4692 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4694 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4696 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4699 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4701 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4702 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4703 optimizations from the combiner.
4705 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4707 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4709 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4711 * toplev.c (main): Disable optimize_size if a specific
4712 optimization level is requested. Always set optimization
4713 level to 2 if -Os is specified.
4715 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4717 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4719 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4720 initialize it using fname.
4722 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4724 * cpplib.c (do_include): Treat #include_next in the
4725 primary source file as #include plus warning. Treat
4726 #include_next in a file included by absolute path as an
4727 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4729 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4731 * cccp.c: Don't define MIN/MAX anymore.
4732 * cpplib.c: Likewise.
4733 * machmode.h: Likewise.
4734 * system.h: Provide definitions for MIN/MAX.
4736 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4738 * fix-header.c: Don't define xstrdup here.
4740 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4742 * loop.c (consec_sets_giv): New argument last_consec_insn.
4743 (strength_reduce): Provide / use it.
4745 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4747 * loop.h (loop_info): New field 'vtop'.
4748 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4749 scanning loop for vtop.
4750 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4751 (loop_iterations): Use them to determine if loop has a constant
4752 number of iterations. Set loop_info->vtop. Don't subtract
4753 common reg term from initial_value and final_value if have a
4756 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4758 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4760 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4762 * mn10200.md (abssf2, negsf2): New expanders.
4764 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4766 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4768 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4769 replaced by a CONCAT whoes components do not have the same
4770 mode as the original SUBREG, use a new SUBREG to restore the
4773 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4774 multiword complex values.
4776 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4778 * cppalloc.c: Add xstrdup here.
4779 * cpplib.h: Remove savestring prototype.
4780 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4782 * cppfiles.c: s/savestring/xstrdup/ throughout.
4784 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4786 * cpplib.c: Make all directive handlers read their own
4788 (struct directive): Remove last two arguments from FUNC
4789 member prototype. Remove `command_reads_line' member
4791 (directive_table): Remove initializations of
4792 command_reads_line flag. Pretty-print.
4793 (eval_if_expression, do_define, do_line, do_include,
4794 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4795 do_else, do_elif, do_sccs, do_assert, do_unassert,
4796 do_warning): Take only two args.
4798 (cpp_define): Call do_define with two args and the text to
4799 define stuffed into a buffer.
4800 (make_assertion): Call do_assert with two args.
4801 (handle_directive): Call do_line with two args. Call
4802 kt->func with two args. Remove command_reads_line
4804 (do_define, do_undef, do_error, do_warning, do_pragma,
4805 do_sccs): Read the rest of the line here.
4806 (do_ident): Gobble rest of line, as cccp does.
4807 (cpp_undef): New function.
4808 (cpp_start_read): Call cpp_undef instead of do_undef.
4810 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4812 * cpphash.h (union hash_value): Remove `keydef' member, add a
4813 `struct hashnode *aschain' member for #assert.
4815 * cpplib.c (struct tokenlist_list, struct
4816 assertion_hashnode): Delete structure definitions.
4817 (assertion_install, assertion_lookup, delete_assertion,
4818 check_assertion, compare_token_lists, reverse_token_list,
4819 read_token_list, free_token_list): Delete functions.
4820 (parse_assertion): New function.
4821 (cpp_cleanup): Don't destroy the assertion_hashtable.
4823 (do_assert): Gut and rewrite. #assert foo (bar) places
4824 entries for `#foo' and `#foo(bar)' in the macro hash table,
4825 type T_ASSERT. The value union's `aschain' member is used
4826 to chain all answers for a given predicate together.
4827 (do_unassert): Also rewritten. Take an un-asserted
4828 answer off the chain from its predicate and call
4829 delete_macro on the hashnode, or walk a predicate chain
4830 calling delete_macro on all the entries.
4831 (cpp_read_check_assertion): Simply call parse_assertion to
4832 get the canonical assertion name, and look that up in the
4835 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4838 * cpphash.c (install): Use bcopy instead of an explicit loop
4839 to copy the macro name.
4841 * cppexp.c (cpp_lex): Convert the result of
4842 cpp_read_check_assertion to a `struct operation' directly;
4843 don't go through parse_number.
4845 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4847 * loop.h (struct induction): Delete times_used member.
4848 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4849 (n_times_used): Rename to n_times_set. Changed all users.
4850 (scan_loop): Free reg_single_usage before strength reduction.
4851 (record_giv, combine_givs): Remove handling of times_used member.
4852 (combine_givs_used_once): Rename to:
4853 (combine_givs_used_by_other) . Changed all callers.
4855 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4857 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4858 instead of TREE_CODE_CLASS == 't'.
4859 (gen_type_die): Likewise.
4860 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4862 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4864 * real.c (endian): Disable last change unless
4865 HOST_BITS_PER_WIDE_INT is greater than 32.
4867 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4869 * output.h (force_data_section): New prototype.
4870 * varasm.c (force_data_section): New function to force the
4871 data section, regardless of what in_section thinks.
4872 * dwarf2out.c (output_call_frame_info): Call force_data_section
4873 since varasm may not realize we've changes sections.
4875 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4877 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4878 after completeing reload.
4880 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4881 deleted after reload.
4883 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4885 * rtl.h (multiple_sets): Fix prototype.
4886 * rtlanal.c (multiple_sets): Fix return type.
4888 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4890 * version.c: Bump for snapshot.
4892 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4894 * version.c: Bump for snapshot.
4896 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4898 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4900 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4902 * rtl.h (recompute_reg_usage): Add second argument.
4903 * flow.c (recompute_reg_usage): Likewise.
4904 * toplev.c (rest_of_compilation): Supply second argument to
4905 recompute_reg_usage.
4907 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4910 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4912 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4913 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4914 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4917 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4919 * rtlanal.c (multiple_sets): New function.
4920 * rtl.h (multiple_sets): Declare it.
4921 * local-alloc.c (wipe_dead_reg): Use it.
4922 * global.c (global_conflicts): Likewise.
4924 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4926 * global.c (record_conflicts): Don't use an array of shorts to
4927 store an array of ints.
4928 (global_conflicts): Likewise.
4930 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4932 * alpha.c (alpha_expand_block_move): mode_for_size expects
4933 bits, not bytes. Infer extra alignment from addressof.
4935 1998-12-11 Michael Meissner <meissner@cygnus.com>
4937 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4938 .sbss section, not .sdata.
4940 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4942 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4944 * collect2.c: Likewise.
4945 * cpplib.h: Likewise.
4948 * getpwd.c: Likewise.
4949 * protoize.c: Likewise.
4950 * toplev.c: Likewise.
4952 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4953 and don't try to define it here.
4954 * Makefile.in (cppmain.o): Depend on machmode.h.
4955 (cpplib.o): Likewise.
4956 (cpperror.o): Likewise.
4957 (cppexp.o): Likewise.
4958 (cppfiles.o): Likewise.
4959 (cpphash.o): Likewise.
4960 (cppalloc.o): Likewise.
4961 (fix-header.o): Likewise.
4962 (scan-decls.o): Likewise.
4964 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4966 * sh.c (print_operand): lookup interrupt_handler attribute instead
4967 of relying on static variable.
4968 * (calc_live_regs): Likewise.
4969 * (sh_pragma_insert_attributes): Create interrupt_handler
4970 attribute if a pragma was specified
4971 * (sh_valid_machine_decl_attribute): Don't set static flag.
4972 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4974 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4976 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4977 to determine if a register is live at a jump destination.
4978 Everything is dead at a BARRIER.
4980 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4982 * cse.c (simplify_unary_operation): Sign-extend constants when
4983 they have the most significant bit set for the target.
4984 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4986 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4987 HOST_WIDE_INT temporary before negating it.
4988 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4990 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4992 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4995 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4997 * collect2.h: New header file for prototypes.
4999 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
5001 * collect2.c: Include collect2.h.
5002 * tlink.c: Likewise.
5004 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
5006 * flow.c: Update some comments.
5008 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
5010 * objc/objc-act.c (cpp_initialized): Removed.
5011 (lang_init_options): Initialize cpplib.
5012 (lang_decode_option): Move initialization of cpplib to
5014 * c-lang.c: (parse_options,parse_in): Added.
5015 (lang_init_options): Initialized cpplib here.
5016 * c-decl.c (parse_options,cpp_initialized): Removed.
5017 (c_decode_option): Move initialization of cpplib to
5020 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5022 * reload1.c (reload_combine, reload_combine_note_store):
5023 Make STORE_RUID always valid.
5024 (reload_combine): Check if BASE is clobbered too early.
5026 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
5028 * reload.c (find_reloads): Display the insn that cannot be
5031 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
5033 * cccp.c (create_definition): Fix end of bufer logic.
5035 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5037 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
5038 pointer parameters changed to use the PARAMS() macro.
5040 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5042 * except.h (struct handler_info): Add handler_number field.
5043 * except.c (gen_exception_label): EH labels no longer need to be
5044 on the permanent obstack.
5045 (get_new_handler): Set the label number field.
5046 (output_exception_table_entry): Regenerate handler label reference
5047 from the label number field.
5048 (init_eh): Remove a blank line.
5049 * integrate.c (get_label_from_map): Labels no longer need to be
5050 on the permanent obstack.
5052 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
5054 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
5055 only when OUTER_CODE is SET.
5057 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5059 * loop.c (strength_reduce): If scan_start points to the loop exit
5060 test, be wary of subversive use of gotos inside expression statements.
5061 Don't set maybe_multiple for a backward jump that does not
5062 include the label under consideration into its range.
5063 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
5065 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5067 * explow.c (plus_constant_wide): Don't immediately return with
5068 result of recursive call.
5070 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5072 * eh-common.h (struct eh_context): Add table_index for rethrows.
5074 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
5075 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
5076 processed when inlined or unrolled (ie duplicated in some way).
5078 * rtl.c (reg_note_name): Add strings for new reg_note enums.
5080 * expr.h (rethrow_libfunc): New library decl.
5082 * optabs.c (rethrow_libfunc): Initialize.
5084 * except.h (struct eh_entry): Add new field 'rethrow_label'.
5085 (new_eh_region_entry): No longer exported from except.c.
5086 (duplicate_handlers): Renamed to duplicate_eh_handlers and
5087 different prototype.
5088 (rethrow_symbol_map, rethrow_used): New exported functions.
5089 (eh_region_from_symbol): New exported function.
5091 * except.c (create_rethrow_ref): New function to create a single
5092 SYMBOL_REF for a rethrow region.
5093 (push_eh_entry): Initialize a rethrow ref.
5094 (func_eh_entry): Add a rethrow_label field.
5095 (new_eh_region_entry): Make static, and initialize the rethrow entry.
5096 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
5097 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
5098 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
5099 a region into an appropriate new symbol.
5100 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
5101 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
5102 (end_catch_handler): Emit a barrier for new-exceptions since
5103 control can never drop through the end of a catch block.
5104 (expand_end_all_catch): new-exceptions never fall through a catch
5106 (expand_rethrow): use __rethrow routine for new exceptions.
5107 (output_exception_table_entry): Generate rethrow labels, if needed.
5108 (output_exception_table): Generate start and end rethrow labels.
5109 (init_eh): Create rethrow symbols for beginning and end of table.
5110 (scan_region): Don't eliminate EH regions which are the targets of
5113 * flow.c (make_edges): Add different edges for rethrow calls,
5114 identified by having the REG_EH_RETHROW reg label.
5115 (delete_unreachable_blocks): Don't delete regions markers which are
5116 the target of a rethrow.
5118 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
5119 allow save_for_inline_copying to call duplicate_eh_handlers.
5120 (save_for_inline_copying): Call duplicate_eh_handlers instead of
5121 exposing internal details of exception regions.
5122 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
5123 (expand_inline_function_eh_labelmap): New callback routine to
5124 allow expand_inline_function to call duplicate_eh_handlers.
5125 (expand_inline_function): Call duplicate_eh_handlers instead of
5126 exposing internal details of exception regions.
5127 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
5130 * libgcc2.c (find_exception_handler): Generalize to enable it to
5131 pick up processing where it left off last time for a rethrow.
5132 (__unwinding_cleanup): New function. debug hook which is called before
5133 unwinding when __throw finds there is nothing but cleanups left.
5134 (throw_helper): Common parts of __throw extracted out for reuse.
5135 (__throw): Common parts moved to throw_helper.
5136 (__rethrow): New function for performing rethrows.
5138 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
5140 * reload1.c (current_function_decl): Tweak declaration.
5142 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
5144 * c-decl.c (flag_isoc9x): Default off.
5145 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
5146 * cccp.c (print_help, main): Likewise.
5147 * gcc.c (default_compilers): Update for -std=gnu*.
5149 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
5151 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
5152 * demangle.h: Deleted.
5154 * reload1.c (current_function_decl): Declare.
5156 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5158 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5160 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5162 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5164 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5166 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5168 * configure: Rebuilt.
5169 * system.h: If the *_unlocked functions are available use them
5170 instead of the locked counterparts by defining macros.
5171 * config.in: Regenerated.
5173 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5175 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5176 wrong and should only be used for dump related things, not
5177 debugging information, instead main_input_filename should be used.
5178 Also, reuse output_file_directive if possible.
5179 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5180 * i386/isc.h (ASM_FILE_START): Likewise.
5181 * i386/win-nt.h (ASM_FILE_START): Likewise.
5182 * i386/sun386.h (ASM_FILE_START): Likewise.
5184 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5186 * configure.in (mips*-*-linux*): Handle big and little endian
5188 * configure: Rebuilt.
5190 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5192 * emit-rtl.c: Fix typo.
5194 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5196 * reload1.c (eliminate_regs): Don't do anything, if we're not
5199 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5201 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5203 * mips/mips.c (mips_select_section): Add comment.
5205 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5207 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5208 characters in file names in #line to be consistent with #include
5209 handling. We support escape prcessing in the # 1 "..." version of
5210 the command. See also support in cp/lex.c.
5211 (handle_directive): Likewise.
5212 (do_line): Likewise.
5214 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5216 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5217 so it'll work on non-ASCII platforms. Always consider $ an
5218 identifier character. Take no arguments.
5219 (cpp_reader_init): Call initialize_char_syntax with no
5221 (cpp_start_read): Don't call initialize_char_syntax again.
5222 Clear is_idchar['$'] and is_idstart['$'] if not
5223 opts->dollars_in_ident.
5225 * cpplib.h (struct cpp_reader): Replace void *data element by
5226 cpp_options *opts. Rearrange elements to make gdb printout
5227 less annoying (put buffer stack at end).
5228 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5230 * cppmain.c: s/data/opts/ when initializing cpp_reader
5232 * c-decl.c: Likewise.
5233 * objc/objc-act.c: Likewise.
5234 * fix-header.c: Likewise.
5236 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5238 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5239 with a struct file_name_list pointer.
5240 (struct cpp_reader): Add pointer to chain of `actual
5241 directory' include searchpath entries.
5242 (struct file_name_list): Add *alloc pointer for the sake of
5243 the actual-directory chain.
5245 Move definition of HOST_WIDE_INT here.
5246 (cpp_parse_escape): Change prototype to match changes in
5249 * cppfiles.c (actual_directory): New function.
5250 (finclude): Use it to initialize the buffer's actual_dir
5252 (find_include_file): We don't need to fix up max_include_len
5255 * cpplib.c (do_include): Don't allocate a file_name_list on
5256 the fly for current directory "" includes, use the one that's
5257 been preallocated in pfile->buffer->actual_dir. Hoist out
5258 duplicate code from the search_start selection logic.
5259 (cpp_reader_init): Initialize pfile->actual_dirs.
5261 Remove definition of HOST_WIDE_INT. Change calls
5262 to cpp_parse_escape to match changes in cppexp.c (note
5263 hardcoded MASK, which is safe since this is the source
5266 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5267 to handle wide character constants in #if directives. The
5268 function now returns a HOST_WIDE_INT, and takes a third
5269 argument which is a binary mask for all legal values (0x00ff
5270 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5271 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5272 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5274 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5276 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5278 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5280 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5281 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5282 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5284 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5286 * final.c (output_asm_name): Use tabs to seperate comments from
5289 Include instruction lengths (if defined) in output.
5291 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5293 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5294 in the loop_info structure.
5296 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5298 * configure.in: (arm*-*-ecos-elf): New target.
5299 * configure: Regenerated.
5300 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5301 * config/arm/ecos-elf.h: New file.
5302 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5305 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5307 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5309 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5311 * version.c: Bump for snapshot.
5313 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5315 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5318 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5320 * version.c: Bump for snapshot.
5322 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5324 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5325 compressed reports are ok and preferred over URLs
5327 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5329 * invoke.texi (Warning Options): Soften the tone of -pedantic
5331 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5333 * print-rtl.c (print_rtx): Add prototype.
5335 * unroll.c (iteration_info): Make it static.
5337 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5339 * alias.c (memrefs_conflict_p): A second ANDed address
5340 disables the aligned address optimization.
5342 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5344 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5347 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5349 * i960.h (BOOL_TYPE_SIZE): Define.
5351 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5353 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5354 from old valid_parallel_operands_4.
5355 (valid_parallel_operands_4): Check that operands for 4 operand
5356 parallel insns are valid, excluding load/store insns.
5357 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5358 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5359 valid_parallel_load_store instead of valid_parallel_operands_4.
5360 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5361 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5362 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5363 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5364 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5365 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5366 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5368 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5370 * config/c4x/c4x.c (iteration_info): Delete extern.
5372 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5374 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5376 * final.c (cleanup_subreg_operands): Delete some unused code.
5378 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5379 (struct insn_alternative): New structure definition.
5380 (recog_op_alt): Declare variable.
5381 (preprocess_constraints): Declare function.
5382 * recog.c (recog_op_alt): New variable.
5383 (extract_insn): Verify number of alternatives is in range.
5384 (preprocess_constraints): New function.
5385 * reg-stack.c: Include recog.h.
5386 (constrain_asm_operands): Delete.
5387 (get_asm_operand_lengths): Delete.
5388 (get_asm_operand_n_inputs): New function.
5389 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5390 N_OUTPUTS args. All callers changed.
5391 Compute number of inputs and outputs here by calling
5392 get_asm_operand_n_inputs.
5393 Instead of constrain_asm_operands, call extract_insn,
5394 constrain_operands and preprocess_constaints. Use information
5395 computed by these functions throughout.
5396 (record_reg_life): Delete code that is unused due to changes in
5397 record_asm_reg_life.
5398 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5399 N_INPUTS and N_OUTPUTS args. All callers changed.
5400 Similar changes as in record_asm_reg_life.
5401 (subst_stack_regs): Move n_operands declaration into the if statement
5403 Delete code that is unused due to changes in subst_asm_stack_regs.
5404 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5406 * Makefile.in (reg-stack.o): Depend on recog.h.
5408 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5410 * except.c (set_exception_version_code): Argument is an "int".
5412 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5414 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5415 * configure: Rebuilt.
5417 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5419 * configure.in (mipsel-*-linux*): New target.
5420 * mips/linux.h: New file, based on other Linux targets.
5422 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5424 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5425 runs in the context of the deleter, not the deletee, so we must
5426 use taskVarGet to find the correct memory to free.
5427 (__gthread_key_create): Initialize the task
5428 variable subsystem so that the task variable is still active when
5429 the delete hook is run.
5431 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5433 * pdp11.h: Use optimize_size for space optimizations.
5434 * pdp11.c: Likewise.
5435 * pdp11.md: Likewise.
5437 * pdp11.h (TARGET_40_PLUS): Fix typo.
5439 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5441 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5444 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5446 * alias.c (addr_side_effect_eval): New function.
5447 (memrefs_conflict_p): Use it.
5448 * rtl.h (addr_side_effect_eval): Prototype it.
5450 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5452 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5454 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5456 * reload.c (find_reloads): When force const to memory, put result
5457 in substed_operand not *recog_operand_loc.
5459 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5461 * c-lex.c: Fix indentation from last patch.
5462 Remove trailing whitespace.
5465 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5467 * flow.c (delete_block): Call set_last_insn after we have reset
5468 NEXT_INSN (kept_tail).
5470 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5472 * mips.md (trap_if): Use "$0" for the value zero.
5474 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5475 Stephen L Moshier <moshier@world.std.com>
5476 Richard Henderson <rth@cygnus.com>
5478 * c-common.c (declare_function_name): Declare predefinied variable
5481 * c-decl.c (flag_isoc9x): Set to 1 by default.
5482 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5483 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5485 * c-parse.in: Allow constructors in ISO C 9x.
5486 Rewrite designator list handling.
5487 Allow [*] parameters.
5488 Don't warn about comma at end of enum definition for ISO C 9x.
5490 * cccp.c (c9x): New variable.
5491 (rest_extension): New variable.
5492 (print_help): Document new -std= option.
5493 (main): Recognize -std= option. Set c9x appropriately.
5494 (create_definition): Recognize ISO C 9x vararg macros.
5496 * gcc.c (default_compilers): Adjust specs for -std options.
5497 (option_map): Add --std.
5498 (display_help): Document -std.
5500 * toplev.c (documented_lang_options): Add -std and remove
5503 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5504 or REAL_VALUE_HTOF based on base of the constants.
5505 * fold-const.c (real_hex_to_f): New function. Replacement function
5506 for hex FP conversion if REAL_ARITHMETIC is not defined.
5507 * real.c (asctoeg): Add handling of hex FP constants.
5508 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5511 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5513 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5514 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5515 expansion. Use hi/lo as destination register.
5517 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5518 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5519 Avoid as macro expansion. Use hi/lo as destination register.
5521 * mips.h (MASK_CHECK_RANGE_DIV): New.
5522 (MASK_NO_CHECK_ZERO_DIV): New.
5523 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5524 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5525 return address for leaf functions out of r31 to support
5526 builtin_return_address.
5528 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5530 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5531 NEXT_INSN(x) to check insn x.
5533 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5535 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5536 last insn in the rtl chain.
5538 * reload1.c (reload): Do not set reload_completed or split insns
5540 * toplev.c (rest_of_compilation): Set reload_completed after
5541 reload returns. Split insns after reload_cse has run.
5543 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5545 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5547 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5549 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5551 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5553 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5554 use of user-label_prefix.
5556 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5558 * reload1.c (emit_reload_insns): Clear spill_reg_store
5559 when doing a new non-inherited reload from the same pseudo.
5561 * local-alloc.c (function_invariant_p): New function.
5562 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5563 to decide if an equivalence should be recorded.
5564 * reload1.c (num_eliminable_invariants): New static variable.
5565 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5566 to decide if an equivalence should be recorded.
5568 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5569 Take num_eliminable_invariants into account when deciding
5570 if register elimination should be done.
5571 (reload_as_needed): Take num_eliminable_invariants into account
5572 when deciding if register elimination should be done.
5573 (eliminate_regs): Handle non-constant reg_equiv_constant.
5574 * rtl.h (function_invariant_p): Declare.
5576 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5578 * version.c: Bump for snapshot.
5580 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5582 * version.c: Bump for snapshot.
5584 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5586 * except.c (add_new_handler): Complain about additional handlers
5587 after one that catches everything.
5589 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5591 * configure.in (alpha*-*-netbsd): Fix typo.
5592 * configure: Rebuilt.
5594 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5596 * system.h: Include libiberty.h.
5598 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5599 function `concat' from fixed parameters to variable parameters,
5600 as is done in libiberty. All callers of concat/concat3
5601 changed to use the new `concat' with variable args.
5603 * cccp.c: Remove things made redundant by libiberty.h and/or
5604 conform to libiberty standards.
5606 * collect2.c: Likewise.
5607 * config/1750a/1750a.h: Likewise.
5608 * cppalloc.c: Likewise.
5609 * cppexp.c: Likewise.
5610 * cppfiles.c: Likewise.
5611 * cpphash.c: Likewise.
5612 * cpplib.c: Likewise.
5613 * dyn-string.c: Likewise.
5614 * fix-header.c: Likewise.
5617 * genattr.c: Likewise.
5618 * genattrtab.c: Likewise.
5619 * gencheck.c: Likewise.
5620 * gencodes.c: Likewise.
5621 * genconfig.c: Likewise.
5622 * genemit.c: Likewise.
5623 * genextract.c: Likewise.
5624 * genflags.c: Likewise.
5625 * gengenrtl.c: Likewise.
5626 * genopinit.c: Likewise.
5627 * genoutput.c: Likewise.
5628 * genpeep.c: Likewise.
5629 * genrecog.c: Likewise.
5630 * getpwd.c: Likewise.
5631 * halfpic.c: Likewise.
5633 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5634 in NEED_DECLARATION_* macros.
5636 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5637 conform to libiberty standards.
5638 (fatal): Fix const-ification of variable `format' in
5639 !ANSI_PROTOTYPES case.
5641 * prefix.c: Remove things made redundant by libiberty.h and/or
5642 conform to libiberty standards.
5644 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5645 conflicting with function `spaces' from libiberty.
5647 * profile.c: Remove things made redundant by libiberty.h and/or
5648 conform to libiberty standards.
5649 * protoize.c: Likewise.
5652 * tlink.c: Likewise.
5653 * toplev.c: Likewise.
5654 * toplev.h: Likewise.
5657 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5659 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5661 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5663 * README.C4X: Updated URLs.
5664 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5665 (valid_parallel_operands_5): Remove unused variable.
5667 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5669 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5671 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5673 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5674 which can be configured.
5675 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5676 (Makefile): Pass actual LANGUAGES through the environment when
5678 (cstamp-h): Likewise.
5679 (config.status): Likewise.
5681 * configure.in (enable_languages): Add new configuration parameter
5682 "--enable-languages=lang1,lang2,...".
5683 (${srcdir}/*/config-lang.in): Change handling to configure only
5684 those directories, that the user might have enabled; default to
5685 "all" existing languages.
5686 * configure: Regenerate.
5688 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5690 * rtlanal.c (regs_set_between_p): New function.
5691 * rtl.h (regs_set_between_p): Prototype it.
5692 * jump.c (jump_optimize): Use it instead of modified_between_p
5693 in the Sep 2 change.
5695 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5696 Matthias Pfaller <leo@dachau.marco.de>
5698 * invoke.texi (Option Summary, NS32K Options): add description
5699 of NS32K specific options.
5701 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5702 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5703 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5704 negdf2, absdf2): Use l instead of f since the double class and
5705 float class are no longer the same.
5706 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5707 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5708 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5709 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5711 (cmpsi, cmphi, cmpqi): use general_operand instead of
5712 non_immediate_operand. Removes erroneous assumption that can't
5714 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5715 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5717 (movstrsi, movstrsi1, movstrsi2): completely new block move
5719 (...): Patterns to exploit multiply-add instructions.
5720 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5721 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5722 patterns to exploit extended divide insns.
5723 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5726 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5727 float return values as well as simple scalar floats.
5728 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5729 support new flag to denote 32381 fpu.
5730 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5731 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5733 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5734 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5735 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5736 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5737 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5738 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5739 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5740 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5741 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5742 fpu registers and special register classes for new 32381
5743 instructions dotf and polyf.
5744 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5746 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5747 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5749 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5750 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5751 (REGISTER_MOVE_COST): move code to register_move_cost function for
5752 ease of coding and debugging.
5753 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5754 LONG_FLOAT_REGO is likely spilled but not caught by default
5756 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5757 instead of hard coded numbers in range check.
5758 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5759 (...): Add prototypes for functions in ns32k.c but disable because
5760 of problems when ns32k.h is included in machine independant files.
5762 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5763 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5764 hard_regno_mode_ok, secondary_reload_class,
5765 print_operand, print_operand_address): new register scheme to
5766 include 32381 fpu registers and special register classes for new
5767 32381 instructions dotf and polyf.
5768 (gen_indexed_expr): Make static to keep namespace clean.
5769 (check_reg): remove since never called.
5770 (move_tail, expand_block_move): helper functions for "movstrsi"
5772 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5773 Increase cost of moves which go via memory.
5774 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5775 (CPP_PREDEFINES): nolonger predefine "unix".
5777 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5778 Remove erroneous %$. print_operand() can work out from the rtx is
5779 an immediate prefix is required.
5781 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5782 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5783 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5785 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5788 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5789 Correct handling of pic operands.
5790 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5791 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5792 -mrtd calling convention.
5794 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5796 * gcc.c (option_map): Recognize --output-class-directory.
5798 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5800 * loop.h (precondition_loop_p): Added new mode argument.
5801 * unroll.c (precondition_loop_p): Likewise.
5802 (approx_final_value): Function deleted and subsumed
5803 into loop_iterations.
5804 (loop_find_equiv_value): New function.
5805 (loop_iterations): Use loop_find_equiv_value to find increments
5806 too large to be immediate constants. Also use it to find terms
5807 common to initial and final iteration values that can be removed.
5809 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5811 * loop.h (struct loop_info): Define new structure.
5812 (precondition_loop_p): Added prototype.
5813 (unroll_loop): Added new argument loop_info to prototype.
5814 (final_biv_value, final_giv_value): Added new argument n_iterations
5816 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5817 and new pointer loop_info.
5818 (loop_n_iterations): Replace global variable by element in
5819 loop_info structure.
5820 (check_final_value): New argument n_iterations.
5821 (insert_bct): New argument loop_info.
5822 (loop_unroll_factor): Replace global array by element in
5823 loop_info structure.
5824 (loop_optimize): Remove code to allocate and initialise
5825 loop_unroll_factor_array.
5826 * unroll.c (precondition_loop_p): No longer static since
5827 used by branch on count optimization.
5828 (precondition_loop_p, unroll_loop): New argument loop_info.
5829 (final_biv_value, final_giv_value, find_splittable_regs): New
5830 argument n_iterations.
5831 (loop_iteration_var, loop_initial_value, loop_increment,
5832 loop_final_value, loop_comparison_code, loop_unroll_factor):
5833 Replaced global variables by loop_info structure.
5834 (loop_unroll_factor): Replace global array by element in
5835 loop_info structure.
5837 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5839 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5842 * unroll.c (precondition_loop_p): Return loop_initial_value
5843 for initial_value instead of loop_iteration_var.
5845 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5847 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5848 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5849 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5850 to output the instruction sequences.
5852 (rptb_top): Provide alternatives to use any register or memory
5854 (rptb_end): Emit use of operands rather than assigning them
5855 explicitly to the RS and RE registers.
5857 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5859 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5860 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5861 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5862 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5863 c4x_merge_notes, c4x_parallel_process,
5864 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5865 c4x_combine_parallel): Delete.
5867 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5869 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5870 with old target options clear flag_branch_on_count_reg if
5871 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5873 (c4x_output_cbranch): Handle a sequence of insns rather than a
5875 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5876 has not been allocated as the loop counter.
5877 (c4x_address_conflict): Do not allow two volatile memory references.
5878 (valid_parallel_operands_4, valid_parallel_operands_5,
5879 valid_parallel_operands_6): Reject pattern if the register destination
5880 of the first set is used as part of an address in the second set.
5882 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5884 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5885 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5886 is no longer enabled if PARALLEL_MPY_FLAG set.
5887 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5888 (REG_CLASS_CONTENTS): Add braces around initializers.
5889 (HAVE_MULTIPLE_PACK): Define.
5890 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5891 REAL_VALUE_TO_DECIMAL.
5892 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5893 REAL_VALUE_TO_DECIMAL.
5894 (ar0_reg_operand): Add prototype.
5895 (ar0_mem_operand): Likewise.
5896 (ar1_reg_operand): Likewise.
5897 (ar1_mem_operand): Likewise.
5898 (ar2_reg_operand): Likewise.
5899 (ar2_mem_operand): Likewise.
5900 (ar3_reg_operand): Likewise.
5901 (ar3_mem_operand): Likewise.
5902 (ar4_reg_operand): Likewise.
5903 (ar4_mem_operand): Likewise.
5904 (ar5_reg_operand): Likewise.
5905 (ar5_mem_operand): Likewise.
5906 (ar6_reg_operand): Likewise.
5907 (ar6_mem_operand): Likewise.
5908 (ar7_reg_operand): Likewise.
5909 (ar7_mem_operand): Likewise.
5910 (ir0_reg_operand): Likewise.
5911 (ir0_mem_operand): Likewise.
5912 (ir1_reg_operand): Likewise.
5913 (ir1_mem_operand): Likewise.
5914 (group1_reg_operand): Likewise.
5915 (group1_mem_operand): Likewise.
5916 (ir1_reg_operand): Likewise.
5917 (arx_reg_operand): Likewise.
5918 (not_rc_reg): Likewise.
5919 (not_modify_reg): Likewise.
5920 (c4x_group1_reg_operand): Remove prototype.
5921 (c4x_group1_mem_operand): Likewise.
5922 (c4x_arx_reg_operand): Likewise.
5924 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5926 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5927 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5929 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5931 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5934 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5936 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5937 unless FMOVD_WORKS is defined.
5939 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5941 * regclass.c (init_reg_sets): Move code that calculates tables
5942 dependent on reg_class_contents from here...
5943 (init_reg_sets_1): To here.
5945 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5947 * cpplib.h: Delete struct import_file. Add ihash element to
5948 struct cpp_buffer. Delete dont_repeat_files and
5949 import_hash_table elements from cpp_reader; change
5950 all_include_files to a hash table. Delete all foobar_include
5951 / last_foobar_include elements from struct cpp_options; put
5952 back four such: quote_include, bracket_include,
5953 system_include, after_include. Redo struct file_name_list
5954 completely. Add new structure type include_hash. Add
5955 prototypes for merge_include_chains and include_hash. Change
5956 prototypes for finclude, find_include_file, and
5957 append_include_chain to match changes below.
5959 * cppfiles.c (simplify_pathname, include_hash,
5960 remap_filename, merge_include_chains): New functions.
5961 (add_import, lookup_import, open_include_file): Removed.
5962 (INO_T_EQ): Define this (copied from cccp.c).
5963 (hack_vms_include_specification): Remove all calls and #if 0
5964 out the definition. It was being called incorrectly and at
5965 the wrong times. Until a VMSie can look at this, it's better
5966 to not pretend to support it.
5967 (append_include_chain): Change calling convention; now takes
5968 only one directory at a time, and sets up the data structure
5970 (redundant_include_p): Rewritten - this is now used for all
5971 include redundancy, whether by #ifndef, #import, or #pragma
5972 once. Looks up things in the include hash table.
5973 (file_cleanup): Decrement pfile->system_include_depth here if
5975 (find_include_file): Calling convention changed; now passes
5976 around a struct include_hash instead of 3 separate parameters.
5977 Guts ripped out and replaced with new include_hash mechanism.
5978 (finclude): Calling convention changed as for
5979 find_include_file. Error exits pulled out-of-line. Reformat.
5980 (safe_read): Return a long, not an int.
5981 (deps_output): Don't recurse.
5983 * cpplib.c (is_system_include): Deleted.
5984 (path_include): Fix up call to append_include_chain.
5985 (do_include): Fix up calls to find_include_file and finclude.
5986 Clean up dependency output a bit. Shorten obnoxiously lengthy
5987 #import warning message. Don't decrement
5988 pfile->system_include_depth here.
5989 (do_pragma): Understand the include_hash structure. Reformat.
5990 (do_endif): Correct handling of control macros. Understand
5992 (cpp_start_read): Fix up calls to finclude. Call
5993 merge_include_chains.
5994 (cpp_handle_option): Fix up calls to append_include_chain.
5995 Understand the four partial include chains.
5996 (cpp_finish): Add debugging code (#if 0-ed out) for the
5998 (cpp_cleanup): Free the include_hash, not the import hash and
5999 the all_include and dont_repeat lists which no longer exist.
6001 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
6003 * toplev.c (no_new_pseudos): Define.
6004 (rest_of_compilation): Set no_new_pseudos as needed.
6005 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
6006 if no_new_pseudos is set.
6007 * rtl.h (no_new_pseudos): Declare it.
6008 * reload1.c (reload): Update comments.
6009 * md.texi: Corresponding changes.
6011 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6013 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
6014 (choose_reload_regs): Rename it here as well. When computing it,
6015 also merge in used hardregs.
6017 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6019 * gcc.c: Split out Objective-C specs to...
6020 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
6023 * c-lex.c (init_parse): Always initialize the filename global.
6024 * objc/objc-act.c (lang_init): Always call check_newline at
6027 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
6029 * reload1.c (reload): Remove unused variable.
6030 (reload_reg_free_for_value_p): Add missing parameter definition.
6032 * jump.c (jump_optimize): Remove unused variable.
6034 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
6036 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
6038 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
6040 * expr.c (move_by_pieces): Similarly.
6041 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
6042 * flow.c (find_auto_inc): Similarly.
6043 (try_pre_increment): Similarly.
6044 * loop.c (strength_reduce): Similarly.
6045 * regclass.c (auto_inc_dec_reg_p): Similarly.
6046 * regmove.c (try_auto_increment): Similarly.
6047 (fixup_match_1): Similarly.
6048 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
6049 (HAVE_PRE_DECREMENT): Similarly.
6050 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
6051 * Corresponding changes to all target header files.
6052 * tm.texi: Update docs for autoinc addressing modes.
6054 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
6056 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
6057 * configure: Rebuild.
6058 * config/elfos.h: New file.
6059 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
6060 config/m68k/t-m68kelf: New file.
6062 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
6064 * Makefile.in (HOST_AR): Define.
6065 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
6066 (libcpp.a): Use the host tools explicitly.
6067 (STAGESTUFF): Add libcpp.a.
6069 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
6071 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
6072 to source and destination registers.
6074 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
6076 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
6077 The strategy we now use is to pre allocate the top_elt along
6078 with the EH context so that each thread has its own top_elt.
6079 This is necessary as the dynmanic cleanup chain is used on the
6080 top element of the stack and each thread MUST have its own.
6081 (eh_context_static): Likewise.
6082 (new_eh_context): Likewise.
6083 (__sjthrow): Likewise.
6085 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
6087 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
6088 * i386.md (prologue_get_pc): Remove unused variable.
6090 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
6092 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
6094 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
6096 * Makefile.in (OBJS): Add graph.o
6097 (graph.o): New dependency list.
6098 * flags.h: Declare dump_for_graph and define graph_dump_types type.
6099 * print-rtl.c (dump_for_graph): Define new variable.
6100 (print_rtx): Rewrite to allow use in graph dumping functions.
6101 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
6102 finish_graph_dump_file.
6103 Define graph_dump_format.
6104 (compile_file): If graph dumping is enabled also clear these files.
6105 Finish graph dump files.
6106 (rest_of_compilation): Also dump graph information if enabled.
6107 (main): Recognize -dv to enabled VCG based graph dumping.
6108 * graph.c: New file. Graph dumping functions.
6110 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
6112 * configure.in: Look for <sys/stat.h>.
6113 * system.h: Include it before substitute S_ISREG definitions.
6115 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
6117 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
6118 * config/mips/iris6.h: Same.
6119 * config/mips/mips.md: Same.
6120 * config/mips/mips.c: Same; also add "-mabi=o64" option.
6121 * config/mips/mips.h: Same; also define ABI_O64.
6123 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6125 * configure.in: Use AC_PREREQ(2.12.1).
6127 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6129 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
6130 * cpplib.c, gcc.c: Likewise.
6131 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
6133 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
6135 * local-alloc.c (local_alloc): Use malloc not alloca for
6136 reg_qty, reg_offset, ref_next_in_qty.
6138 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6140 * caller-save.c (insert_one_insn): Initialize the live_before and
6141 live_after register sets.
6145 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
6146 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
6147 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
6148 (fp_reg_names, assembler_dialect): New variables.
6149 (print_operand_address): Handle SUBREGs.
6150 (print_operand): Added 'o' case.
6151 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
6152 Name of FP registers depends on mode.
6153 (expand_block_move): Emit different code for SH4 hardware.
6154 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
6155 (from_compare): Likewise.
6156 (add_constant): New argument last_value. Changed all callers.
6157 (find_barrier): Don't try HImode load for FPUL_REG.
6158 (machine_dependent_reorg): Likewise.
6159 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6160 (gen_far_branch): Emit a barrier after the new jump.
6161 (barrier_align): Don't trust instruction lengths before
6163 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6164 Use auto-inc addressing for fp registers if doubles need to
6165 be loaded in two steps.
6166 Set sh_flag_remove_dead_before_cse.
6167 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6168 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6169 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6170 Support for FIRST_XD_REG .. LAST_XD_REG.
6171 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6172 (sh_expand_epilogue): Likewise.
6173 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6174 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6175 (arith_reg_operand): FPUL_REG is OK for SH4.
6176 (fp_arith_reg_operand, fp_extended_operand) New functions.
6177 (tertiary_reload_operand, fpscr_operand): Likewise.
6178 (commutative_float_operator, noncommutative_float_operator): Likewise.
6179 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6180 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6181 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6182 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6183 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6184 (CONDITIONAL_REGISTER_USAGE): Likewise.
6185 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6186 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6187 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6188 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6189 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6190 to -1 and sh_flag_remove_dead_before_cse to 1.
6191 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6192 (assembler_dialect, fp_reg_names): Declare.
6193 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6194 Hide names of registers that are not accessible.
6195 (CACHE_LOG): Take TARGET_CACHE32 into account.
6196 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6197 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6198 (FIRST_PSEUDO_REGISTER: Now 49.
6199 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6200 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6201 (HARD_REGNO_MODE_OK): Update.
6202 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6203 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6204 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6205 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6206 (NPARM_REGS): Eight floating point parameter registers on SH4.
6207 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6208 in floating point registers.
6209 (GET_SH_ARG_CLASS) Likewise.
6210 Complex float types are also returned in float registers.
6211 (BASE_ARG_REG): Complex float types are also passes in float registers.
6212 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6213 (LIBCALL_VALUE): Remove trailing semicolon.
6214 (ROUND_REG): Round when double precision value is passed in floating
6216 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6217 passed on the stack.
6218 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6219 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6220 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6221 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6222 (MODE_DISP_OK_8): Not for SH4 DFmode.
6223 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6224 Allow indexed addressing for PSImode after reload.
6225 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6226 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6227 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6228 (DOUBLE_TYPE_SIZE): 64 for SH4.
6229 (RTX_COSTS): Add PLUS case.
6230 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6231 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6232 MAC_REGS, PR_REGS, DF_REGS.
6233 (REGISTER_NAMES): Use fp_reg_names.
6234 (enum processor_type): Add PROCESSOR_SH4.
6235 (sh_flag_remove_dead_before_cse): Declare.
6236 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6237 (PREDICATE_CODES): Add binary_float_operator,
6238 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6239 fpscr_operand, noncommutative_float_operator.
6240 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6241 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6242 * sh.md (attribute cpu): Add value sh4.
6243 (attrbutes fmovd, issues): Define.
6244 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6245 (function units memory, int, mpy, fp): Make dependent on issue rate.
6246 (function units issue, single_issue, load_si, load): Define.
6247 (function units load_store, fdiv, gp_fpul): Define.
6248 (attribute hit_stack): Provide proper default.
6249 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6250 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6251 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6252 (mulsi3_call): Now uses match_operand for function address.
6253 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6255 (push, pop, push_e, pop_e): Now define_expands.
6256 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6257 (movsi_ie): Added y/i alternative.
6258 (ic_invalidate_line_i, movdf_i4): New insns.
6259 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6260 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6261 (movdf): Add special code for SH4.
6262 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6263 (call_valuei, calli, call_value): Likewise.
6264 (movsf): Emit no-op move.
6265 (mov_nop, movsi_y): New insns.
6266 (blt, sge): generalize to handle DFmode.
6267 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6268 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6269 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6270 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6271 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6272 (toggle_sz): New insn.
6273 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6274 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6275 (macsf3): Make use of fpscr visible. Disable for SH4.
6276 (floatsisf2): Make use of fpscr visible.
6277 (floatsisf2_i4): New insn.
6278 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6279 (ieee_ccmpeqsf_t): Likewise.
6280 (fix_truncsfsi2): Emit different code for SH4.
6281 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6282 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6283 (negsf2, sqrtsf2, abssf2): Now expanders.
6284 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6285 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6286 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6287 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6288 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6289 (fix_truncdfsi2_i4_2+1): New splitters.
6290 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6291 (extendsfdf2, truncdfsf2): New expanders.
6292 (truncdfsf2_i4): New insn.
6293 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6294 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6295 * float-sh.h: When testing for __SH3E__, also test for
6296 __SH4_SINGLE_ONLY__ .
6297 * va-sh.h (__va_freg): Define to float.
6298 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6299 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6300 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6301 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6303 (TARGET_SH4_P): Define.
6306 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6307 init_expr_once is satisfied about the existence of load / store insns.
6309 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6310 change m constraint in source operand to mr / mf .
6312 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6314 * (__VA_REEF): Define.
6315 (__va_arg_sh1): Use it.
6317 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6319 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6321 * i386/dgux.c (struct option): Add new "description field".
6322 * m88k/m88k.c (struct option): Likewise.
6324 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6326 * version.c: Bump for snapshot.
6328 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6330 * regmove.c (regmove_profitable_p): Use return value of find_matches
6333 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6335 * version.c: Bump for snapshot.
6337 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6339 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6340 without reload having been called earlier.
6342 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6344 (v850_reorg): Similarly.
6346 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6348 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6350 * loop.c (move_movables): Start of libcall might be new loop start.
6352 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6354 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6356 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6358 * function.c (nonlocal_goto_handler_slots): Renamed from
6359 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6360 (push_function_context_to): Adjust for this change.
6361 (pop_function_context_from): Likewise.
6362 (init_function_start): Likewise.
6363 (expand_function_end): Likewise.
6364 * function.h (struct function): Likewise.
6365 * calls.c (expand_call): Likewise.
6366 * explow.c (allocate_dynamic_stack_space): Likewise.
6367 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6368 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6370 (expand_goto): When doing a nonlocal goto, find corresponding handler
6371 slot for it. Don't put the label address in the static chain register.
6372 (expand_end_bindings): Break out nonlocal goto handling code into
6373 three new functions.
6374 (expand_nl_handler_label, expand_nl_goto_receiver,
6375 expand_nl_goto_receivers): New static functions, broken out of
6376 expand_end_bindings and adapted to create one handler per nonlocal
6378 * function.c (delete_handlers): Delete insn if it references any of
6379 the nonlocal goto handler slots.
6380 * i960.md (nonlocal_goto): Comment out code that modifies
6382 * sparc.md (nonlocal_goto): Likewise.
6383 (goto_handler_and_restore_v9): Comment out.
6384 (goto_handler_and_restore_v9_sp64): Comment out.
6386 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6388 * expr.c (STACK_BYTES): Delete unused macro.
6389 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6390 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6391 (expand_call): Likewise.
6392 (emit_library_call): Likewise.
6393 (emit_library_call_value): Likewise.
6394 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6395 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6396 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6397 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6398 (allocate_dynamic_stack_space): Likewise.
6399 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6400 (STACK_BOUNDARY): Update description to reflect the new situation.
6402 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6404 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6405 return with a filled delay slot is followed by a return with an
6406 unfilled delay slot, delete the first return and reemit the insn
6407 that was previously in its delay slot.
6409 * i860.c (single_insn_src_p): Add missing parens.
6410 * ginclude/math-3300.h: Likewise.
6412 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6414 * regclass.c (init_reg_sets_1): Add prototype.
6415 (init_reg_modes): Likewise.
6417 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6419 * c-common.c: Change warning messages to say `comparison is
6420 always true' or `comparison is always false' instead of the
6421 confusing `is always 0', `is always 1'.
6423 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6425 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6426 break instead of return (which loses closing '>').
6428 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6430 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6431 standard 387 constants.
6433 * i386.md (jump): Explicitly set "memory" attribute.
6434 (indirect_jump, prologue_set_stack_ptr): Likewise.
6435 (prologue_get_pc_and_set_got, pop): Likewise.
6436 (allocate_stack_worder, blockage, return_internal): Likewise.
6437 (return_pop_internal, nop): Likewise.
6438 (epilogue_set_stack_ptr, leave): Likewise.
6440 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6442 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6444 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6446 * reload1.c (reload_reg_free_for_value_p):
6447 Early auto_inc reloads don't conflict with outputs.
6449 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6451 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6452 Instead call AC_HEADER_SYS_WAIT.
6454 * collect2.c: Don't provide defaults for sys/wait.h macros.
6456 * protoize.c: Likewise. Also, don't include sys/wait.h.
6458 * system.h: Include sys/wait.h and provide macro defaults.
6460 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6462 * Makefile.in (mandir): Set to @mandir@.
6463 (man1dir): New variable to hold the former value of $(mandir).
6464 Replace all uses of $(mandir) by $(man1dir).
6466 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6468 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6469 a new one before passing it to force_const_mem.
6471 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6472 find_reloads_address call.
6474 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6476 * expr.c (store_expr): Don't generate load-store pair
6477 if TEMP is identical (according to ==) with TARGET.
6479 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6481 * reload1.c (reload_reg_free_for_value_p): When considered reload
6482 has an output, matching inputs are not sufficient to avoid conflict.
6484 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6486 * hash.h (hash_table_key): New type.
6487 (hash_entry): Change `string' field to generic `key'.
6488 (hash_table): Add `comp' and `hash' functions.
6489 (hash_table_init): Take them as input.
6490 (hash_table_init_n): Likewise.
6491 (hash_lookup): Modify for generic keys.
6492 (hash_newfunc): Likewise.
6493 (hash_traverse): Likewise.
6494 (string_hash): New function.
6495 (string_compare): Likewise.
6496 (string_copy): Likewise.
6497 * hash.c (hash_table_init_n): Modify for generic keys.
6498 (hash_table_init): Likewise.
6499 (hash_lookup): Likewise.
6500 (hash_newfunc): Likewise.
6501 (hash_traverse): Likewise.
6502 (string_hash): Split out from hash_lookup.
6503 (string_compare): New function.
6504 (string_copy): Split out from hash_lookup.
6505 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6507 (symbol_hash_lookup): Likewise.
6508 (file_hash_newfunc): Likewise.
6509 (file_hash_lookup): Likewise.
6510 (demangled_hash_newfunc): Likewise.
6511 (demangled_hash_lookup): Likewise.
6512 (tlink_int): Likewise.
6513 (read_repo_file): Likewise.
6514 (recompile_files): Likewise.
6515 (demangle_new_symbols): Likewise.
6516 (scan_linker_output): Likewise.
6518 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6520 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6522 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6524 * rs6000.c (output_mi_thunk): Improve test for local branch.
6526 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6528 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6530 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6532 * reload1.c (reload_reg_free_before_p): Delete.
6533 Changed all callers to use reload_reg_free_for_value_p instead.
6534 (reload_reg_free_for_value_p): Handle more reload types.
6535 A RELOAD_FOR_INPUT doesn't conflict with its
6536 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6537 Add special case for OUT == const0_rtx.
6538 Added ignore_address_reloads argument. Changed all callers.
6540 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6542 * toplev.c (compile_file): Don't pedwarn about undefined static
6543 functions just because we passed -Wunused.
6545 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6547 * function.c (purge_addressof_1): Unshare rtl created by
6550 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6552 * regmove.c (regmove_optimize): Don't do anything but
6553 optimize_reg_copy[123] when flag_regmove is not set.
6555 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6557 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6558 value in paradoxical SImode result, rather than truncating midpoint.
6560 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6562 * alpha.c (reg_not_elim_operand): New.
6563 * alpha.h (PREDICATE_CODES): Add it.
6564 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6565 for the multiplicand.
6567 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6569 * rs6000.md (movsf): Remove explicit secondary-reload-like
6570 functionality. Only truncate SFmode store if in FPR.
6571 (movsf splitters): Combine const_double splitters.
6572 (movsf_hardfloat): Add GPR support.
6574 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6576 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6577 deprecate -mlive-g0 and -mbroken-saverestore.
6578 * t-splet (MULTILIB_OPTIONS): Likewise.
6580 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6581 in a leaf function. Clarify total_size/extra_size relationship.
6583 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6585 * i386/cygwin32.asm: Delete.
6586 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6587 * i386/cygwin32.h: Delete.
6588 * i386/cygwin.h: New file, renamed from cygwin32.h.
6589 * i386/t-cygwin32: Delete.
6590 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6591 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6592 * i386/x-cygwin32: Delete.
6593 * i386/x-cygwin: New file, renamed from x-cygwin32.
6594 * i386/xm-cygwin32: Delete.
6595 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6596 renamed cygwin_ funcs for path translations.
6597 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6598 * i386/winnt.c: Remove "32" from comment about cygwin.
6599 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6600 * rs6000/cygwin32.h: Delete.
6601 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6602 -D__CYGWIN__ to CPP_PREDEFINES.
6603 * rs6000/x-cygwin32: Delete.
6604 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6605 * rs6000/xm-cygwin32: Delete.
6606 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6608 * configure.in: Check for cygwin* instead of cygwin32. Account
6609 for the rename of cygwin-related config files to lose the "32"s.
6610 * configure: Regenerate.
6612 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6613 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6615 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6617 * Makefile.in (JAVAGC): New macro.
6618 * configure: Rebuilt.
6619 * configure.in: Recognize --enable-java-gc argument. Subst
6622 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6624 Handle equivalences that have been obscured by gcse:
6626 * reload1.c (reload): Handle equivalences set up in multiple places.
6627 * local-alloc.c (reg_equiv_init_insns): New variable.
6628 (no_equiv): New function.
6629 (update_equiv_regs): Handle equivalences set up in multiple places.
6630 Don't ignore an insn just because its destination is likely to be
6633 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6635 * except.c (expand_eh_return): Readd force_operand call lost in
6638 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
6640 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6642 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6644 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6646 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6648 * regmove.c (regmove_optimize): Fix error in last change.
6650 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6652 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6653 offset in the .mask pseudo to compensate for frame pointer adjustments.
6654 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6655 word swap arguments moved to/from FP registers.
6656 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6658 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6660 * version.c: Bump for snapshot.
6662 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6664 * version.c: Bump for snapshot.
6666 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6668 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6669 times, then it can not be completely replaced.
6671 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6673 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6675 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6677 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6678 (to distinguish it from the macro wrapping ansidecl.h.)
6679 Include libiberty's ansidecl.h. Remove all redundant definitions.
6680 Define the PROTO() style macros in terms of the PARAMS() ones.
6683 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6684 __STDC__, when deciding whether to use ANSI variable args.
6685 (emit_library_call_value): Likewise.
6687 * cccp.c (error): Likewise.
6688 (warning): Likewise.
6689 (error_with_line): Likewise.
6690 (warning_with_line): Likewise.
6691 (pedwarn): Likewise.
6692 (pedwarn_with_line): Likewise.
6693 (pedwarn_with_file_and_line): Likewise.
6696 * cexp.y (error): Likewise.
6697 (pedwarn): Likewise.
6698 (warning): Likewise.
6700 * collect2.c (fatal_perror): Likewise.
6704 * combine.c (gen_rtx_combine): Likewise.
6706 * cpperror.c (cpp_message): Likewise.
6707 (cpp_fatal): Likewise.
6709 * cpplib.c (cpp_error): Likewise.
6710 (cpp_warning): Likewise.
6711 (cpp_pedwarn): Likewise.
6712 (cpp_error_with_line): Likewise.
6713 (cpp_warning_with_line): Likewise.
6714 (cpp_pedwarn_with_line): Likewise.
6715 (cpp_pedwarn_with_file_and_line): Likewise.
6717 * cpplib.h: Don't define PARAMS() macro.
6719 * demangle.h: Likewise.
6721 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6722 when deciding whether to use ANSI variable args.
6724 * emit-rtl.c (gen_rtx): Likewise.
6725 (gen_rtvec): Likewise.
6727 * final.c (asm_fprintf): Likewise.
6729 * fix-header.c (cpp_message): Likewise.
6731 (cpp_fatal): Likewise.
6733 * gcc.c (concat): Likewise.
6737 * genattr.c (fatal): Likewise.
6739 * genattrtab.c (attr_rtx): Likewise.
6740 (attr_printf): Likewise.
6743 * gencodes.c (fatal): Likewise.
6745 * genconfig.c (fatal): Likewise.
6747 * genemit.c (fatal): Likewise.
6749 * genextract.c (fatal): Likewise.
6751 * genflags.c (fatal): Likewise.
6753 * genopinit.c (fatal): Likewise.
6755 * genoutput.c (fatal): Likewise.
6758 * genpeep.c (fatal): Likewise.
6760 * genrecog.c (fatal): Likewise.
6762 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6763 deciding whether to declare `tree_node' and `rtx_def'.
6765 * hash.h: Don't define stuff we get from gansidecl.h.
6767 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6768 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6769 whether to use ANSI variable args.
6772 * prefix.c (concat): Likewise.
6776 * system.h: Likewise.
6778 * toplev.c (error_with_file_and_line): Likewise.
6779 (error_with_decl): Likewise.
6780 (error_for_asm): Likewise.
6783 (warning_with_file_and_line): Likewise.
6784 (warning_with_decl): Likewise.
6785 (warning_for_asm): Likewise.
6786 (warning): Likewise.
6787 (pedwarn): Likewise.
6788 (pedwarn_with_decl): Likewise.
6789 (pedwarn_with_file_and_line): Likewise.
6791 (really_sorry): Likewise.
6793 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6794 whether to declare `tree_node' and `rtx_def'.
6796 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6797 deciding whether to use ANSI variable args.
6798 (build_nt): Likewise.
6799 (build_parse_node): Likewise.
6801 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6803 * version.c: Bump for snapshot.
6805 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6807 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6809 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
6811 * collect2.c (main, case 'b'): Use else if.
6813 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6815 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6816 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6817 before the config/ directory headers.
6818 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6819 gansidecl.h in the list of dependencies.
6821 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6822 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6823 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6824 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6825 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6826 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6829 * cccp.c: Don't include gansidecl.h.
6831 * collect2.c: Likewise.
6832 * config/c4x/c4x.c: Likewise.
6833 * config/v850/v850.h: Likewise.
6834 * cppalloc.c: Likewise.
6835 * cpperror.c: Likewise.
6836 * cppexp.c: Likewise.
6837 * cppfiles.c: Likewise.
6838 * cpphash.c: Likewise.
6839 * cpplib.c: Likewise.
6840 * cppmain.c: Likewise.
6841 * cppulp.c: Likewise.
6842 * demangle.h: Likewise.
6843 * doprint.c: Likewise.
6844 * dyn-string.c: Likewise.
6845 * eh-common.h: Likewise.
6846 * fix-header.c: Likewise.
6847 * frame.c: Likewise.
6850 * gen-protos.c: Likewise.
6851 * gencheck.c: Likewise.
6852 * halfpic.h: Likewise.
6854 * machmode.h: Likewise.
6855 * mbchar.c: Likewise.
6856 * prefix.c: Likewise.
6857 * protoize.c: Likewise.
6858 * recog.h: Likewise.
6860 * scan-decls.c: Likewise.
6862 * varray.h: Likewise.
6864 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6866 * i386.md (call_value_pop): If we're not popping anything,
6867 defer to call_value.
6868 (call_pop): Likewise defer to call.
6870 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6872 * function.c (purge_addressof): Clear purge_addressof_replacements
6873 only after processing the whole function.
6875 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6877 * reload1.c (reload): If we can not perform a particular elimination
6878 when we thought we could earlier, then we must always iterate through
6879 the loop at least one more time.
6881 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6883 * alpha.c (add_operand): Simplify the CONST_INT match.
6884 (sext_add_operand): Correct typo in comparison by using
6885 CONST_OK_FOR_LETTER_P.
6886 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6887 constant alternatives to be generated.
6888 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6889 small constants, since the hw instructions do.
6891 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6893 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6894 previous insn to store directly into our reload register, make sure
6895 that if the source of the previous insn is a reload register, its
6896 spill_reg_store and spill_reg_stored_to values are cleared.
6898 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
6900 * rs6000.md (floatunssidf2_internal splitter): Use base register
6901 operand, not hard-coded SP.
6903 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6905 * jump.c (calculate_can_reach_end): Fix thinko.
6907 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6909 * reorg.c (fill_simple_delay_slots): Fix typo.
6911 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6913 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6915 * i386.md (extendsidi2): Use # in the output template.
6916 (extendsidi splitters): New splitters.
6918 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6920 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6922 * configure: Regenerate.
6924 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6926 * jump.c (init_label_info, delete_barrier_successors,
6927 mark_all_labels, delete_unreferenced_labels,
6928 delete_noop_moves, calculate_can_reach_end): New functions broken
6929 out of jump_optimize.
6930 (jump_optimize): Use them.
6932 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6934 * except.c (expand_fixup_region_end): Make sure outer context labels
6935 are not issued in an inner context during cleanups.
6937 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6939 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6942 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6944 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6945 to expose this midpoint to CSE.
6947 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6949 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6951 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6953 * configure.in: Bring over gcc2 change of Nov 19 1997.
6955 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6957 * toplev.c (output_lang_identify): Make definition dependent on
6958 ASM_IDENTIFY_LANGUAGE.
6960 * print-rtl.c (spaces): Make static.
6962 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6964 * extend.texi: Clarify proper uses for register clobbers in asms.
6966 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6968 * recog.h (enum op_type): Define.
6969 (constrain_operands): Adjust prototype.
6970 (recog_op_type): Declare new variable.
6971 * recog.c (recog_op_type): New variable.
6972 (insn_invalid_p): Allow modifying an asm statement after reload.
6973 (extract_insn): Set up recog_op_type.
6974 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6975 Don't compute operand types, use recog_op_type.
6976 Use the information computed by extract_insn instead of the previous
6977 method of finding it by insn code number.
6978 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6979 * reorg.c (fill_slots_from_thread): Likewise.
6980 * reload1.c (reload_as_needed): Likewise.
6981 (gen_reload): Likewise.
6982 (inc_for_reload): Likewise.
6983 (reload_cse_simplify_operands): Likewise.
6984 Use the information computed by extract_insn instead of the previous
6985 method of finding it by insn code number.
6986 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6988 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6989 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6990 Use the information computed by extract_insn instead of the previous
6991 method of finding it by insn code number.
6992 * regmove.c (find_matches): Likewise. Change meaning of the return
6993 value to be nonzero if the optimization can be performed, zero if
6994 not. All callers changed.
6995 Shorten some variable names to fix formatting problems.
6996 (regmove_optimize): Shorten some variable names to fix formatting
6998 Use the information computed by extract_insn instead of the previous
6999 method of finding it by insn code number.
7000 * regclass.c (scan_one_insn): Likewise.
7001 (record_reg_classes): Don't compute operand types, use recog_op_type.
7002 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
7003 recog_constraints instead.
7005 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
7007 * rtl.h (flow2_completed): Declare.
7008 * flow.c (flow2_completed): Definition.
7009 * toplev.c (rest_of_compilation): Set and clear flow2_completed
7012 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
7014 * Makefile.in (libcpp.a): Ranlib libcpp.a
7016 * cppulp.c (user_label_prefix): Initialize.
7018 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
7020 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
7021 at a RETURN if current_function_sp_is_unchanging is set.
7023 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7025 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
7027 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
7029 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
7030 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
7031 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
7032 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
7033 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
7034 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
7036 (LIB_SPEC): Handle -mno-cyginw option.
7037 (LINK_SPEC): Handle -mdll.
7039 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7041 * reload.c (find_reloads): Fix test for usage by other reload
7042 to handle secondary reloads properly.
7044 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7046 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
7047 intermediate structure which has exactly the members provided by
7048 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
7049 static intermediate structure.
7051 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
7052 from the intermediate structure. Do the same analogous fix in
7053 the case where ELIMINABLE_REGS is not defined.
7055 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
7057 * pa.h (SELECT_SECTION): Fix thinko.
7059 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
7061 * dwarf2out.c (output_call_frame_info): Comments on last change.
7063 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
7065 * arm.c (add_constant): When taking the address of an item in the
7066 pool, get the mode of the item addressed.
7068 * arm.c (final_prescan_insn case INSN): If an insn doesn't
7069 contain a SET or a PARALLEL, don't consider it for conditional
7072 Restore ABI compatibility for NetBSD.
7073 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
7075 (RETURN_IN_MEMORY): Likewise.
7077 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
7079 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
7080 (m32r_output_block_move): Rewrite bytes < 4 handling.
7082 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7084 * configure.in: Call AC_FUNC_VFORK.
7086 * collect2.c: Define VFORK_STRING as a printable string for
7087 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
7088 defined, include vfork.h. If VMS is defined, define vfork()
7089 appropriately. Remove vfork check on USG, we're using autoconf.
7090 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
7091 checking locally what string to pass.
7092 (scan_prog_file): Likewise.
7093 (scan_libraries): Likewise.
7095 * gcc.c: Remove vfork check on USG, we're using autoconf.
7096 Besides, no calls to vfork/fork occur in this file.
7098 * protoize.c: Likewise.
7100 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7102 * configure.in (DEFAULT_LINKER): renamed from LD
7103 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
7104 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
7105 * configure: rebuilt
7107 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7109 * BUGS: fix the regexp for `more' to find the appropriate node.
7110 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
7112 * BUGS: added link to the WWW FAQ
7114 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
7116 * version.c: Bump for snapshot.
7118 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
7120 * From Christian Gafton:
7121 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
7122 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
7123 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
7125 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
7127 * c-common.c (c_get_alias_set): Allow all type-punning through
7128 unions. Don't get confused about the type of a bit-field, despite
7129 the antics of build_modify_expr.
7131 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
7133 * fixinc.sco: Paramaterize #include_next values.
7134 * fixinc/fixinc.sco: Likewise.
7136 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
7138 * toplev.c (rest_of_compilation): No longer set reload_completed.
7139 * reload1.c (reload): Set it here. Perform instruction splitting
7140 after reload has completed if we will be running the scheduler
7143 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
7145 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
7146 EH region if exceptions are enabled and we're performing cross
7148 (find_cross_jump): Exit loop if the insns are in different EH regions.
7150 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
7152 * dwarf2out.c (output_call_frame_info): Use
7153 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
7155 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7157 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7158 * c-common.c (check_format_info): Don't check for the 'x'
7159 format character twice, instead check for 'x' and 'X'
7161 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7163 * configure.in (assembler features): Also make gas is configured if
7164 we find it in the souce tree.
7166 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7168 * i386.c (i386_comp_type_attributes): Compare whether the
7169 attributes are defined, not their tree nodes.
7171 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7173 * configure.in (gxx_include_dir): bitten by autoconf quoting
7175 * configure: rebuilt
7177 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7179 * configure.in: Ignore non-absolute value in $AS.
7181 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7183 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7185 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7187 * configure.in (msdosdjgpp): Set exeext and target_alias.
7189 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7191 * flow.c (XNMALLOC): New macro.
7192 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7194 (add_edge, add_edge_to_label): New static functions.
7195 (free_bb_memory): New function.
7196 (flow_delete_insn): Delete function.
7197 (basic_block_drops_in): Delete variable.
7198 (find_basic_blocks): Allocate and initialize basic_block_head,
7199 basic_block_succ. Don't allocate basic_block_drops_in.
7200 Call free_bb_memory at the beginning.
7201 (find_basic_blocks_1): Don't do multiple passes.
7202 Delete code to compute basic_block_drops_in.
7203 After calling make_edges, mark blocks reached by current block live.
7204 Update test for unreachable live blocks.
7205 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7207 Simplify to call add_edge_to_label when a LABEL_REF is found.
7208 (make_edges): Simplify to call add_edge_to_label instead of
7209 mark_label_ref most of the time.
7210 Compute here whether control drops into the next block.
7211 (delete_unreachable_blocks): Return void. All callers changed.
7212 Delete unreachable blocks in reverse order.
7213 After deleting all unreachable blocks, renumber the remaining ones
7214 and update n_basic_blocks.
7215 (delete_block): Speed up deletion a bit.
7216 Don't set basic_block_drops_in for deleted blocks.
7217 (free_basic_block_vars): Don't free basic_block_drops_in.
7218 (life_analysis_1): Update to use new edge representation.
7219 (dump_flow_info): Delete code to print basic block info; call
7220 dump_bb_data instead.
7221 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7222 and uid_block_number.
7223 Simply copy the previously computed cfg.
7224 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7225 Print register lifetime information if LIVE_INFO is nonzero.
7226 * basic-block.h (dump_bb_data): Adjust prototype.
7227 * gcse.c (gcse_main): Update call to dump_bb_data.
7228 * rtl.h (free_bb_memory): Declare.
7229 * toplev.c (rest_of_compilation): Call free_bb_memory.
7231 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7232 (update_eliminable_offsets): Don't compute it.
7233 (set_initial_elim_offsets): Don't initialize it.
7234 Break out some code into set_initial_label_offsets so the rest of
7235 this function can be called from reload_as_needed.
7236 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7237 ELIMINABLE_REGS isn't.
7238 (set_initial_label_offsets): New function, broken out of
7239 set_initial_elim_offsets.
7240 (set_offsets_for_label): New function, broken out of set_label_offsets
7241 and reload_as_needed.
7242 (reload): Call the two new functions.
7243 (reload_as_needed): Call set_initial_elim_offsets instead of
7244 duplicating the code. Likewise for set_offsets_for_label.
7246 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7247 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7248 any hard reg, reg_reloaded_dead contains valid data.
7250 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7252 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7253 "stdcall" and "cdecl" attributes.
7255 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7257 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7258 handle deleted no-op moves of hard registers.
7259 * haifa-sched.c (update_flow_info): Likewise.
7261 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7263 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7264 of the sequences to reload the HILO register which do not actually
7267 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7269 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7271 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7273 * except.c (emit_eh_context): Make the EH context register stay alive
7274 at -O0 so stupid.c doesn't get confused.
7276 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7278 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7280 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7281 Jeffrey A Law (law@cygnus.com)
7283 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7284 (zero_extendsidi2): Use # in output template and handle completely by
7286 (zero_extend splitters): New define_splits.
7287 (ashiftrt_32): New pattern.
7289 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7291 * tree.c (append_random_chars): New fn.
7292 (get_file_function_name_long): Use it.
7294 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7296 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7297 (LIBCPP_OBJS): New. Add cppulp.o.
7298 (cppmain, fix-header): Depend on and use libcpp.a.
7299 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7300 of the individual object files.
7301 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7304 * cccp.c (user_label_prefix): New.
7305 (main): Set it off -f*leading-underscore.
7306 (special_symbol): Use it.
7307 * cpplib.c (special_symbol): Likewise.
7308 (cpp_handle_option): Handle -f*leading-underscore.
7309 * cppulp.c: New file.
7311 * output.h (user_label_prefix): Declare it.
7312 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7313 * toplev.c (f_options, main): Handle -f*leading-underscore.
7315 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7316 referencing USER_LABEL_PREFIX directly.
7317 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7318 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7319 * final.c (asm_fprintf): Use user_label_prefix instead.
7320 * arm/thumb.c (thumb_print_operand): Likewise.
7322 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7323 cpp wherever appropriate.
7325 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7327 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7328 specific compiler switches.
7330 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7332 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7335 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7337 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7338 structure which has exactly the members provided by EXTRA_SPECS.
7339 Xmalloc() the real `extra_specs', and initialize it from this
7340 intermediate structure.
7342 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7344 * mips.h (EXTRA_SPECS): Likewise.
7346 * sparc.h (EXTRA_SPECS): Likewise.
7348 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7350 * function.c (purge_addressof_1): Instead of aborting when a
7351 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7352 work just put the ADDRESSOF on stack. Otherwise remember all such
7353 successfull replacements, so that exactly the same replacements
7354 can be made on the REG_NOTEs. Remove the special case for CALL
7356 (purge_addressof_replacements): New variable.
7357 (purge_addressof): Clear it at end.
7359 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7361 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7362 (lang_init): Call check_newline always.
7363 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7364 cpp_start_read, set yy_cur and yy_lim to read from
7365 parse_in.token_buffer, so that we'll see the first #line
7367 * cpplib.c (cpp_start_read): finclude the main input file
7368 before processing -include/-imacros. Process -imacros and
7369 -include separately, and handle -include by stacking a
7370 buffer for the file in question as if it'd been #included.
7371 * toplev.c (documented_lang_options) Recognize -H when
7374 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7376 * cpplib.c: Merge do_once into do_pragma. Break file handling
7377 code out of do_include.
7378 Move append_include_chain, deps_output,
7379 file_cleanup, redundant_include_p, import_hash,
7380 lookup_import, add_import, read_filename_string, read_name_map,
7381 open_include_file, finclude, safe_read to cppfiles.c.
7382 Move prototypes for deps_output, append_include_chain,
7383 finclude to cpplib.h. Move definition of struct
7384 file_name_list there also.
7386 * cppfiles.c: New file. Contains all the above functions
7387 broken out of cpplib.c; also hack_vms_include_specification
7388 from cccp.c and find_include_file, a new function broken out of
7391 * Makefile.in (cppmain): Depend on cppfiles.o.
7392 (fix-header): Likewise.
7393 (cppfiles.o): New target.
7394 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7395 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7397 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7399 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7400 if pending_types is non-zero.
7401 (dwarfout_finish): Verify pending_types is zero before finishing.
7403 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7405 * expr.c (convert_move): Use shifts to perform the move if a
7406 suitable extend pattern cannot be found. Code written by
7407 Richard Henderson <rth@cygnus.com>.
7409 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7411 * regclass.c (renumber, regno_allocated): New static variables, moved
7412 out of allocate_reg_info.
7413 (allocate_reg_info): Move these two variables outside the function.
7414 Move code to free memory into new function free_reg_info.
7415 (free_reg_info): New function, broken out of allocate_reg_info.
7416 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7417 * rtl.h (allocate_reg_info): Don't declare.
7418 (free_reg_info): Declare.
7420 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7422 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7424 * toplev.c (compile_file): Temporarily revert last change.
7426 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7428 * c-typeck.c (convert_for_assignment): Parenthesize.
7430 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7432 * reload1.c (delete_output_reload): Avoid ambigous else.
7434 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7436 * toplev.c (compile_file): Call allocate_reg_info to free register
7438 * rtl.h (allocate_reg_info): Declare.
7440 * PROJECTS: Remove entry for local spilling.
7442 * final.c (cleanup_subreg_operands): New function.
7443 (final_scan_insn): Use it.
7444 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7446 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7447 operands when reload has finished.
7448 * reload.h (cleanup_subreg_operands): Declare..
7449 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7450 reload. Handled in reload itself.
7452 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7454 * reload1.c (verify_initial_offsets): New function.
7455 (reload): Call it after reload_as_needed. Also verify that the frame
7456 size stays constant during reload_as_needed.
7457 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7459 * reload.h (struct insn_chain): Add need_operand_change element.
7460 * reload1.c (new_insn_chain): Clear it.
7461 (calculate_needs_all_insns): Set it; don't overload need_reload.
7462 (reload_as_needed): Use it.
7464 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7465 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7466 and reload_address_index_reg_class.
7467 (find_reloads_address_1): Likewise.
7468 * reload.h (reload_address_base_reg_class,
7469 reload_address_index_reg_class): Don't declare.
7470 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7471 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7472 (used_spill_regs): Now static.
7473 (reload_address_base_reg_class, reload_address_index_reg_class,
7474 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7475 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7476 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7479 (init_reload): Delete code to compute base/index reg classes.
7480 (reload): Delete variable J.
7481 Delete code to manage basic_block_needs.
7482 Don't compute regs_explicitly_used.
7483 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7484 pseudo_previous_regs.
7485 Initialize bad_spill_regs_global.
7486 Don't call order_regs_for_reload here.
7487 Don't initialize spill_reg_order and n_spills.
7488 Don't forbid explicitly used regs to be used for spill regs.
7489 Change main loop to infinite loop, with explicit break statements.
7490 Make SOMETHING_CHANGED variable local to that loop.
7491 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7492 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7493 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7495 Don't call dump_needs.
7496 Delete code to reset potential_reload_regs.
7497 Delete code to terminate loop conditional on the global needs variables
7498 showing no further needs.
7499 (calculate_needs_all_insns): Return void. All callers changed.
7500 Initialize somehing_needs_elimination here, not in reload.
7501 Delete avoid_return_reg kludge.
7502 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7503 All callers changed.
7504 Initialize the group_mode and group_size elements of the arg CHAIN.
7505 Delete code to manage basic_block_needs.
7506 Operate on elements of CHAIN instead of global variables.
7507 Delete avoid_return_reg kludge.
7508 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7509 All callers changed.
7510 Operate on elements of CHAIN instead of global variables.
7511 Delete special SMALL_REGISTER_CLASSES code.
7512 Delete spill_failure code; now in new_spill_reg.
7513 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7514 All callers changed.
7515 Operate on elements of CHAIN instead of global variables.
7516 (maybe_mark_pseudo_spilled): New static function.
7517 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7518 All callers changed.
7519 Operate on elements of CHAIN instead of global variables.
7520 Call order_regs_for_reload here, not in reload.
7521 Initialize spill_reg_order and n_spills.
7522 Simplify test whether an asm insn is involved.
7523 Delete spill_failure code; now in new_spill_reg.
7524 Call maybe_mark_pseudo_spilled for everything marked as live in
7525 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7527 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7528 compiler from optimizing this function (now unused) away.
7529 Operate on elements of CHAIN instead of global variables.
7530 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7532 Operate on elements of CHAIN instead of global variables.
7533 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7534 take CHAIN arg. All callers changed.
7535 Operate on elements of CHAIN instead of global variables.
7536 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7537 CHAIN, NONGROUP args. Return void. All callers changed.
7538 Verify caller isn't trying to spill a pseudo.
7539 Simplify test for illegal reg, just use bad_spill_regs.
7540 Generate better error messages.
7541 Operate on elements of CHAIN instead of global variables.
7542 Mark spilled register in CHAIN's used_spill_regs element.
7543 Don't call spill_hard_reg.
7544 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7545 Mark spilled hard regs in bad_spill_regs_global.
7546 Mark affected pseudos in spilled_pseudos, but don't spill them.
7547 (ior_hard_reg_set): New static function.
7548 (finish_spills): Return int. All callers changed.
7549 Compute spill_reg_order, n_spills and spill_regs here. Also update
7550 regs_ever_live for regs used as spills.
7551 For every pseudo in spilled_pseudos, spill it and mark the previous
7552 hard reg it had in pseudo_previous_regs. Compute which hard regs
7553 arseudo): New static function.
7554 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7555 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7556 hard registers explicitly used across the current insn into the set.
7557 Compute hard_reg_n_uses taking only pseudos live across this insn
7559 Tweak sorting of potential_reload_regs.
7560 (compare_spill_regs): Delete function.
7561 (reload_as_needed): Don't sort the spill_regs array, it's computed
7562 in proper order in finish_spills.
7563 Delete avoid_return_reg kludge.
7564 Delete code to manage basic_block_needs.
7565 (allocate_reload_reg): Minor speed/readability tweaks.
7566 Operate on elements of CHAIN instead of global variables.
7567 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7568 Delete avoid_return_reg kludge.
7569 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7570 Delete unused label FAIL.
7571 (reload_combine): Replce reload_address_index_reg_class with
7573 Don't use used_spill_regs to determine information about lifetime of
7576 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7578 * toplev.c (display_help): Ignore empty target specific
7579 options, and if -W is also specified on the command line then
7580 display undocumented options.
7582 * config/arm/arm.c: Updated with changes in devo sources.
7583 * config/arm/arm.h: Updated with changes in devo sources.
7584 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7585 * config/arm/lib1thumb.asm: Add ELF support.
7587 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7589 * collect2.c (aix64_flag): New variable.
7590 (main, case 'b'): Parse it.
7591 (GCC_CHECK_HDR): object magic number must match mode.
7592 (scan_prog_file): Only check for shared object if valid header.
7593 Print debugging if header/mode mismatch.
7595 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7597 Added support for arm-elf-linux configuration, submitted by Philip
7598 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7599 code developed by Catherine Moore <clm@cygnus.com>. The following
7602 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7605 * configure: Regenerated.
7607 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7608 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7609 definitions conditional on their not having been already defined.
7611 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7612 and .type directives, and add "(PLT)" qualification to function
7615 * config/arm/linux.h: Deleted. This file is now superceeded by
7616 either linux-elf.h or linux-aout.h.
7618 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7619 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7621 Move definitions from old linux.h file here.
7623 * config/arm/elf.h: New file. Generic ARM/ELF support.
7625 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7627 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7629 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7630 using the 26bit APCS.
7632 * config/arm/unknown-elf.h: New file. Support for OS'es other
7633 than Linux with ELF.
7635 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7638 * config/arm/coff.h: Include aout.h for basic assembler macros.
7639 Add support for -mstructure_size_boundary=<n> command line option.
7641 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7642 command line option. Make macro definitions conditional on their
7643 not having been already defined.
7645 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7646 command line option.
7649 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7651 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7652 has been changed to not include a newline. Use this macro instead.
7653 (output_enumeral_list, const_value_attribute, name_attribute,
7654 comp_dir_attribute, prototyped_attribute, producer_attribute,
7655 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7656 dwarfout_file_scope_decl, generate_new_sfname_entry,
7657 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7658 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7660 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7662 * combine.c (subst): Process the inputs to a parallel asm_operands
7665 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7667 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7669 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7671 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7673 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7675 * version.c: Bump for snapshot.
7677 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7679 * stmt.c (expand_fixup): Set fixup->before_jump to a
7680 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7682 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7684 * Makefile.in (recog.o): Depend on toplev.h.
7685 (insn-emit.o): Depend on recog.h.
7686 (insn-peep.o): Depend on recog.h and insn-config.h.
7688 * combine.c (simplify_set): Remove unused variable `scratches'.
7690 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7691 and `idx' in macro conditional controlling their use.
7693 * genemit.c (main): Make the generated output file include
7694 recog.h. Don't have it declare `insn_operand_constraint', since
7695 we get it from recog.h.
7697 * genpeep.c (main): Make the generated output file include
7698 insn-config.h and recog.h.
7700 * recog.c: Include toplev.h.
7701 (extract_insn): Remove unused variable `p'.
7703 * regclass.c (fix_register): Add missing braces around initializer
7705 (allocate_reg_info): Move variable `i' into the scope where it is
7706 used. Change its type to `size_t'.
7708 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7710 * reload.c (push_reload): When merging reloads, make sure
7711 that reload_in_reg and reload_in are from the same reload in
7714 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7716 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7717 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7719 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
7721 * loop.c (loop_has_tablejump): New variable.
7722 (prescan_loop): Scan for it.
7723 (insert_bct): Replace explicit scan with use of it.
7724 * regclass.c (regclass): Restore loop variable j.
7725 (record_reg_classes): Deterine op_types modifiers and initialize
7726 classes[i] before matching constraints. Handle matching
7729 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7731 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7734 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7736 * mips.h (EXTRA_SPECS): Add missing initializers.
7738 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7740 * sparc.h (EXTRA_SPECS): Add missing initializers.
7741 (sparc_defer_case_vector): Provide a prototype.
7743 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7744 comparing it to the result of a pointer subtraction.
7746 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7749 the argument to (unsigned char).
7751 * alpha.h (EXTRA_SPECS): Add missing initializers.
7752 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7755 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7757 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7758 (propagate_block): Delete dead code after reload.
7760 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7761 back Oct 15, 1998 change.
7762 * haifa-sched.c (update_flow_info): Likewise.
7763 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7765 * mn10200.md (truncated shift): Accept constant inputs too.
7767 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7769 * machmode.h (mode_mask_array): No longer const.
7770 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7772 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7774 * frame.c: Somewhat explain `FDE'.
7775 Suggested by Brendan Kehoe
7777 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7779 * expr.c (pending_chain): Move up.
7780 (save_expr_status): Do save pending_chain.
7781 (restore_expr_status): And restore it.
7782 * function.h (struct function): Add pending_chain.
7784 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7786 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7787 did not match the code.
7789 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7791 * regclass.c (regclass): Break out some code into new function
7792 scan_one_insn, and into regclass_init.
7793 (init_cost): New static variable, moved out of regclass.
7794 (regclass_init): Initialize it here, not in .
7795 (scan_one_insn): New static function, broken out of regclass.
7796 * recog.c (apply_change_group): Break out some code into new
7797 function insn_invalid_p.
7798 (insn_invalid_p): New static fn, broken out of apply_change_group.
7800 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7802 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7803 reg_reloaded_contents matches incremented pseudo.
7805 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7807 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7809 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7810 addressing modes with side effects. These are currently
7811 placeholders for the C4x target.
7813 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7815 * loop.c (express_from): Make sure that when generating a PLUS of
7816 a PLUS, any constant expression appears on the outermost PLUS.
7818 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7820 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7821 works if "$(srcdir)" != ".".
7823 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7825 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7826 existing SUBREG if we can, otherwise abort.
7828 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7830 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7831 `restrict' is applied to a non-pointer variable.
7833 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7835 * invoke.texi: Document -flang-isoc9x.
7837 * Makefile.in (OBJS): Add splay-tree.o.
7838 (c-common.o): Depend on rtl.h.
7839 (splay-tree.o): List dependencies and provide build rule.
7841 * rtl.h (record_alias_subset): New function.
7842 * alias.c: Include splay-tree.h.
7843 (alias_set_entry): New type.
7844 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7845 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7846 (mems_in_disjoin_alias_sets_p): New function.
7847 (alias_set_compare): Likewise.
7848 (insert_subset_children): Likewise.
7849 (get_alias_set_entry): Likewise.
7851 * tree.h (TYPE_RESTRICT): New macro.
7852 (TYPE_UNQUALIFIED): New manifest constant.
7853 (TYPE_QUAL_CONST): Likewise
7854 (TYPE_QUAL_VOLATILE): Likewise.
7855 (TYPE_QUAL_RESTRICT): Likewise.
7856 (tree_type): Add restrict_flag. Reduce count of free bits.
7857 (DECL_POINTER_ALIAS_SET): New macro.
7858 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7859 (tree_decl): Add pointer_alias_set.
7860 (build_qualified_type): New function.
7861 (build_type_variant): Define in terms of build_qualified_type.
7862 * tree.c (set_type_quals): New function.
7863 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7864 (build_type_attribute_variant): Use build_qualified_type and
7866 (build_type_variant): Rename, and modify, to become...
7867 (build_qualified_type): New function.
7868 (build_complex_type): Use set_type_quals.
7870 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7871 (C_TYPE_FUNCTION_P): Likewise.
7872 (C_TYPE_INCOMPLETE_P): Likewise.
7873 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7874 (c_apply_type_quals_to_decl): New function.
7875 (c_build_qualified_type): New function.
7876 (c_build_type_variant): Define in terms of c_build_qualified_type.
7877 (flag_isoc9x): Declare.
7878 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7879 (common_type): Change to use TYPE_QUALS.
7880 (comptypes): Likewise.
7881 (convert_for_assignment): Likewise.
7882 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7883 * c-decl.c (flag_isoc9x): Define.
7884 (c_decode_option): Handle -flang-isoc9x.
7885 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7886 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7887 * c-lex.c (init_lex): Deal with restrict.
7888 (init_lex): Don't treat restrict as a reserved word in
7889 -traditional mode, or without -flang-isoc9x.
7890 * c-lex.h (rid): Add RID_RESTRICT.
7891 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7892 equivalent to RID_RESTRICT.
7893 * c-parse.in (TYPE_QUAL): Update comment.
7894 * c-common.c: Include rtl.h.
7895 (c_find_base_decl): New function.
7896 (c_build_type_variant): Rename, and modify, to become ...
7897 (c_build_qualified_type): New function.
7898 (c_apply_type_quals_to_decl): Likewise.
7899 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7900 a particular alias set for the reference.
7901 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7903 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7905 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7906 command line switches.
7908 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7910 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7913 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7915 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7917 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7919 * regclass.c (fix_register): Add error message.
7920 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7923 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7925 * c-decl.c (warn_missing_noreturn): New global variable.
7926 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7927 (finish_function): Implement missing noreturn warning.
7929 * c-tree.h (warn_missing_noreturn): Declare extern.
7931 * invoke.texi: Document new flags.
7933 * toplev.c (documented_lang_options): Add description.
7935 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7937 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7938 loop optimization stable for the C4x.
7939 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7940 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7941 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7943 (c4x_address_conflict): Be more paranoid when packing a volatile
7944 memref in a parallel load/store.
7946 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7948 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7949 repeat_block_filler): Deleted.
7950 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7951 Condition code not set if destination register from 'c' class.
7952 (*subbqi3_carry_clobber): Fix typo.
7954 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7956 * reorg.c (steal_delay_list_from_target) Check for insns that
7957 modify the condition codes and effect the direction of the jump
7960 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7962 * function.c (purge_addressof_1): Replace call to
7963 emit_insns_before() with emit_insn_before().
7965 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7967 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7969 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7971 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7973 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7975 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7976 clobbered across calls.
7978 * loop.c (scan_loop): Be more selective about what invariants are
7979 moved out of a loop.
7981 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7983 * version.c: Bump for snapshot.
7985 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7987 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7988 static eh_context structure.
7990 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7992 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7994 (try_combine): Don't update max_scratch.
7995 * flow.c (max_scratch, num_scratch): Delete variables.
7996 (life_analysis_1): Don't initialize max_scratch.
7997 (propagate_block): Don't update max_scratch.
7998 (mark_set_1): Don't increment num_scratch.
7999 * regs.h (max_scratch): Delete declaration.
8001 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
8003 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
8004 is nonzero. This is temporary!
8006 * sched.c (update_flow_info): Handle death notes made invalid by
8007 instruction splitting. Partially reverts Oct 15, 1998 patch.
8008 * haifa-sched.c (update_flow_info): Likewise.
8010 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
8012 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
8013 if it has a nonzero DECL_INITIAL.
8015 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8017 * Makefile.in (flow.o): Depend on recog.h.
8019 * cpplib.h (directive_table): Add missing initializiers.
8020 (finclude): Change type of variable `bsize' to size_t.
8022 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
8024 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
8026 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
8027 `int' when comparing against one.
8028 (cpp_file_line_for_message): Mark parameter `pfile' with
8030 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
8032 * flow.c: Include recog.h.
8033 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
8035 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
8036 `f' with ATTRIBUTE_UNUSED.
8037 (reposition_prologue_and_epilogue_notes): Likewise.
8039 * genopinit.c (gen_insn): Cast argument of ctype functions to
8042 * haifa-sched.c: Include recog.h.
8043 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
8044 comparing against one.
8046 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
8048 * mips-tfile.c (parse_end): Cast the argument of ctype function to
8050 (parse_ent): Likewise.
8051 (parse_input): Likewise.
8053 * optabs.c (init_libfuncs): Likewise.
8055 * protoize.c (find_rightmost_formals_list): Likewise.
8057 * recog.h (const_double_operand): Fix typo in prototype.
8059 * tlink.c (scan_linker_output): Cast the argument of ctype
8060 function to `unsigned char'.
8062 * toplev.c (check_lang_option): Cast the result of `strlen' to
8063 `int' when comparing against one.
8065 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
8067 * gcse.c (dump_cuid_table): Correct typo.
8069 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
8071 * toplev.c (display_help): Prepend '-m' to target specific
8073 (check_lang_option): Ignore text after end of first word of a
8074 language specific option.
8076 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8078 * reload1.c (reg_used_by_pseudo): New static variable.
8079 (choose_reload_regs): Initialize it.
8080 Use it instead of testing spill_reg_order to determine whether a
8081 pseudo is live in a hard register across the current insn.
8082 Fix a typo in a reference to reload_reg_rtx.
8084 * flow.c (propagate_block): Replace code that computes and uses
8085 regs_sometimes_live with simpler code that just walks the set of
8086 currently live registers.
8088 * Makefile.in (insn-extract.o): Fix dependencies.
8089 * genextract.c (main): Generate includes for insn-config.h and
8091 Delete generation of declarations which are now in recog.h.
8092 * genrecog.c (main): Delete generation of definitions which are
8094 * local-alloc.c (block_alloc): Use extract_insn and the variables
8095 it sets up instead of looking up values by insn_code.
8096 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
8097 recog_dup_num): Define here instead of generating the definition in
8099 (recog_n_operands, recog_n_dups, recog_n_alternatives,
8100 recog_operand_mode, recog_constraints, recog_operand_address_p):
8102 (extract_insn): New function.
8103 * recog.h (extract_insn): Declare function.
8104 (which_alternative, recog_n_operands, recog_n_dups,
8105 recog_n_alternatives, recog_operand_mode, recog_constraints,
8106 recog_operand_address_p): Declare variables.
8107 * regclass.c (n_occurrences): New static function.
8108 * reload.c (n_occurrences): Delete function.
8109 (find_reloads): Use extract_insn.
8110 * reload.h (n_occurrences): Delete declaration.
8112 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
8114 * reload1.c (reload_as_needed): Fix test for when to call
8115 update_eliminable_offsets.
8117 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8119 Fix consistency problems with reg_equiv_{mem,address};
8120 Improve reload inheritance;
8122 * reload.c (reload_out_reg): New variable.
8123 (loc_mentioned_in_p, remove_address_replacements): New functions.
8124 (remove_replacements): Deleted.
8125 (push_reload): Set reload_out_reg[i].
8126 When merging, also set reload_{in,out}_reg[i], and remove
8127 duplicate address reloads.
8128 (combine_reloads): Copy reload_out_reg[i].
8129 (find_reloads): Do make_memloc substitution also when
8130 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8132 Include *recog_operand_loc in commutativity operand changes.
8133 Generate optional output reloads.
8134 Delete reference to n_memlocs. Don't set *recog_operand_loc before
8135 processing operands. Call make_memloc in reg_equiv_address code.
8136 Set *recog_operand_loc only after processing operands, and only
8137 if replace is true. Return a value.
8138 When changing address reload types for operands that didn't get
8139 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
8140 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
8141 Don't emit USEs for pseudo SUBREGs when not replacing.
8142 (find_reloads_address): Do make_memloc substitution also when
8143 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8145 (find_reloads_toplev): Likewise.
8146 Call make_memloc in reg_equiv_address code.
8147 (debug_reload_to_stream): Add code to output reload_out_reg.
8148 (make_memloc): Delete local variable i, ifdefed out code, and
8149 references to memlocs and n_memlocs.
8150 (memlocs, n_memlocs): Delete.
8151 (push_secondary_reload): Clear reload_out_reg.
8152 (find_reloads_address_1): Provide memrefloc argument to all calls
8153 to find_reloads_address.
8154 In AUTO_INC code, handle non-directly addressable equivalences properly.
8155 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
8156 (find_reloads): Add return type.
8157 (remove_address_replacements, deallocate_reload_reg): Declare.
8158 * reload1.c (num_not_at_initial_offset): No longer static.
8159 (delete_address_reloads, delete_address_reloads_1): Likewise.
8160 (deallocate_reload_reg): New function.
8161 (spill_reg_stored_to): New array.
8162 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8163 (eliminate_regs_in_insn): Move assignments of previous_offset and
8164 max_offset fields, and recalculation of num_not_at_initial_offset
8165 into new static function:
8166 (update_eliminable_offsets) .
8167 (reload_as_needed): Call update_eliminable_offsetss after calling
8169 Call forget_old_reloads_1 with contents of reloaded auto_inc
8170 expressions if the actual addressing can't be changed to match the
8172 (choose_reload_regs): For inheritance, replace
8173 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8174 remove stand-alone reload_reg_used_at_all test.
8175 Use reload_out_reg to determine which reload regs have output reloads.
8176 Treat reload_override_in more similar to inherited reloads.
8177 Handle (subreg (reg... for inheritance.
8178 For flag_expensive_optimizations, add an extra pass to remove
8179 unnecessary reloads from known working inheritance.
8180 Delete obsolete code for pseudos replaced with MEMs.
8181 Handle inheritance from auto_inc expressions.
8182 (emit_reload_insns): If reload_in is a MEM, set OLD to
8184 Don't reload directly from oldequiv; if it's a pseudo with a
8185 stack slot, use reload_in[j].
8186 Check that reload_in_reg[j] is a MEM before replacing reload_in
8187 from reg_reloaded_contents.
8188 Include non-spill registers in reload inheritance processing.
8189 Also try to use reload_out_reg to set spill_reg_store /
8190 reg_last_reload_reg.
8191 In code to set new_spill_reg_store, use single_set to find out if
8192 there is a single set.
8193 Add code that allows to delete optional output reloads.
8194 Add code to allow deletion of output reloads that use no spill reg.
8195 At the end, set reload_override_in to oldequiv.
8196 Also call delete_output_reload if reload_out_reg is equal to old
8198 Add code to call delete_output_reload for stores with no matching load.
8199 Set / use spill_reg_stored_to.
8200 Handle case where secondary output reload uses a temporary, but
8201 actual store isn't found.
8202 When looking for a store of a value not loaded in order to call
8203 delete_output_reload, count_occurences should return 0 for no
8204 loads; but discount inherited input reloadill_reg_stored_to.
8205 Do checks for extra uses of REG. Changed all
8207 Use delete_address_reloads.
8208 (reload): Take return value of find_reloads into account.
8209 If a no-op set needs more than one reload, delete it.
8210 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8211 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8212 for the same operand.
8213 (clear_reload_reg_in_use): Check for other reloads that keep a
8215 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8216 RELOAD_FOR_OPADDR_ADDR.
8217 Take into account when an address address reload is only needed
8218 for the address reload we are considering.
8219 (count_occurrences): Use rtx_equal_p for MEMs.
8220 (inc_for_reload): Return instruction that stores into RELOADREG.
8221 New argument two, IN, and rtx. Changed all callers.
8222 (calculate_needs_all_insns, reload_as_needed):
8223 Don't clear after_call for a CLOBBER.
8224 Keep track of how many hard registers need to be copied from
8225 after_call, and don't clear after_call before we have seen
8226 that much copies, or we see a different instruction.
8228 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8230 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8231 after reload has completed.
8233 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8235 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8236 a macro name and the next token with a single blank if that whitespace
8237 is in a macro buffer and the next token is not '('.
8239 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8241 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8243 (skip_if_group): Ditto.
8244 (skip_to_end_of_comment): Ditto.
8246 (discard_comments): Ditto.
8247 (change_newlines): Ditto.
8249 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8251 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8253 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8255 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8256 (TARGET_OPTIONS): Add --help documentation.
8258 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8260 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8262 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8264 * fixinc/* Moved in from ../contrib directory in preparation
8265 for integrating it into the normal build process. In particular,
8266 fixinc/Makefile.in must be config-ed into the build directory
8267 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8268 ./configure.in will be "in the mail" momentarily.
8270 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8272 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8273 accidently walk into the free list. Comment how that can happen.
8274 (invalidate): Fix indentation.
8276 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8277 Jeffrey A Law (law@cygnus.com)
8279 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8280 reload. Never perform rescans of the insn chain after reload.
8281 (propagate_block): Do not delete insn or create new autoinc addressing
8284 * jump.c (jump_optimize): Unconditionally use the code that was
8285 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8286 * reload1.c (reload): When reloading is finished, delete all
8287 REG_DEAD and REG_UNUSED notes.
8288 (emit_reload_insns): Delete all code that was conditional on
8289 PRESERVE_DEATH_INFO_REGNO_P.
8290 (no_longer_dead_regs): Delete variable.
8291 (reload_cse_delete_death_notes): Delete function.
8292 (reload_cse_no_longer_dead): Delete function.
8293 (reload_cse_regs_1): Delete all code to handle deletion of death
8295 (reload_cse_noop_set_p): Likewise.
8296 (reload_cse_simplify_set): Likewise.
8297 (reload_cse_simplify_operands): Likewise.
8298 (reload_cse_move2add): Likewise.
8299 * reorg.c (used_spill_regs): Delete declaration.
8300 (max_label_num_after_reload): Delete declaration.
8301 (find_dead_or_set_registers): Don't assume that spill regs are
8302 dead at a CODE_LABEL.
8303 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8305 * sched.c (sched_analyze_insn): Likewise.
8306 (update_flow_info): Likewise.
8307 * haifa-sched.c (sched_analyze_insn): Likewise.
8308 (update_flow_info): Likewise.
8309 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8310 * toplev.c (max_label_num_after_reload): Delete variable.
8311 (rest_of_compilation): Don't set max_label_num_after_reload.
8312 Call life_analysis after reload_cse_regs if optimizing.
8313 * config/gmicro/gmicro.h: Delete comment referring to
8314 PRESERVE_DEATH_INFO_REGNO_P.
8315 * config/i386/i386.h: Likewise.
8316 * config/m88k/m88k.h: Likewise.
8317 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8318 * config/sh/sh.h: Likewise.
8320 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8322 * loop.c (strength_reduce): Restore marking bct_p as
8324 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8325 HAVE_decrement_and_branch_on_count.
8326 (small_data_operand): Remove TARGET_ELF condition for marking
8327 parameters ATTRIBUTE_UNUSED.
8329 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8331 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8332 (SELECT_SECTION): Resync with svr4.h.
8334 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8336 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8339 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8341 * c-pragma.c (handle_pragma_token): Test for null tree before
8342 dereferencing TREE_CODE.
8344 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8346 * config/c4x/c4x.c: Convert to use GEN_INT.
8347 (c4x_parallel_process): Rework to handle new repeat loop structure.
8349 * config/c4x/c4x.md: Convert to use GEN_INT.
8350 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8351 (decrement_and_branch_on_count): Likewise.
8353 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8354 loop.c has the desired functionality.
8355 (rc_reg_operand): New prototype.
8357 * config/c4x/t-c4x: Can now build all front ends.
8359 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8361 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8363 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8365 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8366 * config/t-rtems: Do not install assert.h -- use newlib's.
8368 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8370 * combine.c (combine_instructions): When finished, call init_recog.
8371 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8373 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8375 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8377 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8379 * cppalloc.c (memory_full): Mark function prototype with
8382 * demangle.h (collect_exit): Likewise.
8384 * fix-header.c (v_fatal, fatal): Likewise.
8386 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8389 * gcov.c (print_usage): Likewise.
8391 * genattr.c (fatal, fancy_abort): Likewise.
8393 * genattrtab.c (fatal, fancy_abort): Likewise.
8395 * gencodes.c (fatal, fancy_abort): Likewise.
8397 * genconfig.c (fatal, fancy_abort): Likewise.
8399 * genemit.c (fatal, fancy_abort): Likewise.
8401 * genextract.c (fatal, fancy_abort): Likewise.
8403 * genflags.c (fatal, fancy_abort): Likewise.
8405 * genopinit.c (fatal, fancy_abort): Likewise.
8407 * genoutput.c (fatal, fancy_abort): Likewise.
8409 * genpeep.c (fatal, fancy_abort): Likewise.
8411 * genrecog.c (fatal, fancy_abort): Likewise.
8413 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8414 __sjpopnthrow, __throw): Likewise.
8416 * objc/objc-act.c (objc_fatal): Likewise.
8418 * protoize.c (usage, aux_info_corrupted,
8419 declare_source_confusing): Likewise.
8421 * rtl.c (dump_and_abort): Likewise.
8423 * rtl.h (sets_cc0_p): Likewise.
8425 * toplev.c (float_signal, pipe_closed): Likewise.
8427 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8429 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8430 when generating the decision tree for the general case.
8432 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8433 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8435 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8437 * Makefile.in (sched.o): Depend on recog.h.
8439 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8440 (unsigned) when comparing against one.
8441 (find_base_value): Likewise.
8442 (record_base_value): Cast variable `regno' to (unsigned) when
8443 comparing against one. Cast the result of REGNO() macro to
8444 (unsigned) when comparing against one.
8445 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8447 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8448 variable where an unsigned index is needed.
8450 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8451 before comparing against one.
8453 * collect2.c: Add prototypes for functions `error', `fatal' and
8454 `fatal_perror'. Make these functions take variable arguments
8455 instead of faking it with a fixed number of args.
8456 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8459 * combine.c (can_combine_p): Mark parameter `pred' with
8461 (find_split_point): Cast variable `src' to (unsigned
8462 HOST_WIDE_INT) when comparing against one.
8463 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8464 (simplify_logical): Likewise.
8465 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8466 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8467 HOST_WIDE_INT) in shift.
8468 (simplify_and_const_int): Cast result of INTVAL() macro to
8469 `unsigned HOST_WIDE_INT' when comparing against one.
8470 (merge_outer_ops): Cast variable const0 to `unsigned
8471 HOST_WIDE_INT' when comparing against the result of
8472 GET_MODE_MASK() macro.
8473 (simplify_comparison): Likewise for variable `c0'. Cast variable
8474 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8475 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8476 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8477 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8478 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8479 comparing against one.
8480 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8482 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8483 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8484 (output_block_move): Cast `sizeof' expression to (int) when
8485 comparing against one.
8486 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8488 (save_restore_insns): Cast `base_offset' to `long' to match format
8489 specifier in fprintf.
8491 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8492 to `enum machine_mode'.
8494 * flow.c (life_analysis_1): Remove unused variable `insn'.
8496 * gcc.c (translate_options): Move variables `j' and `k' into the
8497 scope in which they are used. Change their types to `size_t'.
8498 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8499 (read_specs): Likewise.
8500 (process_command): Cast `sizeof' to (int) when comparing against one.
8501 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8502 (handle_braces): Cast both sides of `==' expression to `long' to
8503 ensure sign matching.
8504 (main): Cast variable `i' to `int' when comparing against one.
8506 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8507 int to size_t. Cast variable `i' to size_t when comparing against
8510 * genattrtab.c (convert_set_attr_alternative): Remove unused
8511 parameter `insn_code'. All callers changed.
8512 (convert_set_attr): Likewise.
8514 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8515 size_t when comparing against one. Likewise for variable `len'.
8517 * global.c (global_alloc): Cast variable `max_regno' to size_t
8518 when comparing against one. Likewise for variable `max_allocno'.
8520 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8522 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8523 `set' with ATTRIBUTE_UNUSED.
8524 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8527 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8528 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8529 (get_condition): Cast variable `const_val' to `unsigned
8530 HOST_WIDE_INT' when comparing against one. Cast unsigned
8531 expression to HOST_WIDE_INT when comparing against one.
8532 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8533 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8534 `unsigned' when comparing against one.
8536 * protoize.c (is_id_char): Change type of parameter `ch' to
8538 (munge_compile_params): Cast argument of ctype macro to (const
8540 (process_aux_info_file): Cast variable `aux_info_size' to int when
8541 comparing against one.
8542 (forward_to_next_token_char): Cast argument of ctype macro to
8543 `const unsigned char'.
8544 (edit_formals_lists): Likewise.
8545 (find_rightmost_formals_list): Likewise.
8546 (add_local_decl): Likewise.
8547 (add_global_decls): Likewise.
8548 (edit_fn_definition): Likewise.
8549 (do_cleaning): Likewise.
8550 (scan_for_missed_items): Likewise.
8551 (edit_file): Cast variable `orig_size' to (int) when comparing
8553 (main): Cast argument of ctype macro to `const unsigned char'.
8555 * recog.c (const_int_operand): Mark parameter `mode' with
8558 * regclass.c (record_reg_classes): Change type of variable `c' to
8559 `unsigned char'. Cast `char' array index to `unsigned char'.
8561 * reload.c (push_secondary_reload): Cast argument to
8562 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8564 * reload1.c (calculate_needs): Cast `char' array index to
8566 (set_label_offsets): Change type of variable `i' to unsigned int.
8567 Cast result of XVECLEN() macro to unsigned when comparing against
8569 (mark_not_eliminable): Change type of variable `i' to unsigned.
8570 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8571 when comparing against one.
8572 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8573 comparing against one.
8574 (choose_reload_regs): Hide unused label `fail'.
8575 (reload_cse_simplify_operands): Cast `char' array index to
8577 (reload_combine_note_store): Mark parameter `set' with
8578 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8580 (reload_cse_move2add): Remove unused variable `src2'.
8582 * sched.c: Include recog.h.
8583 (sched_note_set): Remove unused parameter `b'. All callers
8585 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8586 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8587 when comparing against one.
8589 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8590 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8591 comparing against one.
8593 * unroll.c (precondition_loop_p): Remove unused parameter
8594 `loop_end'. All callers changed.
8596 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8598 * reload1.c (maybe_fix_stack_asms): New static function.
8601 * reload.h (compute_use_by_pseudos): Declare.
8603 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8604 (something_needs_reloads): Delete variable.
8605 (finish_spills): New function.
8606 (compute_use_by_pseudos): New function.
8608 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8609 Use the reload_insn_chain instead of walking the rtl directly.
8611 (reload): Allocate and free spilled_pseudos.
8612 Ensure that all calls of spill_hard_reg are followed by a call to
8614 Use the insns_need_reload list instead of something_needs_reloads
8615 to find out if reload_as_needed must be called.
8616 Clear unused_insn_chains at the end.
8618 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8620 Delete code to keep track of current basic block.
8621 Walk reload_insn_chain instead of the rtl structure. Build the
8622 insns_need_reload chain.
8623 Remember which insns need reloading/elimination by setting the
8624 appropriate fields in struct insn_chain, not by putting modes on the
8627 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8628 arg INSN. All callers changed.
8629 Delete declaration of struct needs.
8630 Don't set something_needs_reloads.
8631 Record insn needs in the CHAIN argument.
8633 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8635 (reload_as_needed): Lose FIRST arg. All callers changed.
8636 Walk the reload_insn_chain instead of the rtx structure.
8637 Delete code to keep track of current basic block.
8638 Rename one of the NEXT variables to OLD_NEXT.
8640 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8642 (choose_reload_regs): Likewise.
8644 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8647 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8648 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8649 (hard_regs_live, hard_regs_need_restore): Delete variables.
8650 (n_regs_saved): Now static.
8651 (referenced_regs, this_insn_sets): New variables.
8653 (setup_save_areas): Restructure the code a bit.
8655 (restore_referenced_regs): Delete function.
8656 (mark_referenced_regs): New function, similar to the old
8657 restore_referenced_regs, but mark registers in referenced_regs.
8659 (clear_reg_live): Delete function.
8660 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8661 Only mark registers in this_insn_sets.
8663 (save_call_clobbered_regs): Rework this function to walk the
8664 reload_insn_chain instead of using the list of instructions directly.
8665 Delete code to keep track of register lives, compute live regs on the
8666 fly from information in the chain.
8667 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8668 then walk the set it computes and call insert_restore as appropriate.
8670 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8672 Restructure the code a bit. Test hard_regs_saved instead of
8673 hard_regs_need_restore.
8674 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8675 args. All callers changed.
8676 Restructure the code a bit. Use TO_SAVE to determine which regs to
8677 save instead of more complicated test.
8678 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8680 Create a new insn_chain structure for the new insn and place it
8683 * rtl.texi: Update documentation to reflect that reload no longer
8684 puts modes on the insns.
8686 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8688 * function.c (purge_addressof_1): Force the first argument of a
8689 CALL insn to memory.
8691 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8693 * rtl.h: Delete duplicate prototypes. Add some missing
8695 * rtlanal.c: (for_each_rtx): Formatting tweak.
8697 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8699 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8700 to be compatible with TI compiler.
8702 * Makefile.in (USER_H): Add va-c4x.h to definition.
8704 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8706 * function.c (purge_addressof_1): Fix typo in inequality: do
8707 bitfield optimization for equal mode sizes.
8708 * expmed.c (store_bit_field): Don't take subregs of subregs in
8709 the movstrict case. Tidy a potential problem in the multi-word case.
8710 (extract_bit_field): Likewise.
8712 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8714 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8716 Compute max_uid_for_flow by calling get_max_uid after the scan.
8717 (find_basic_blocks_1): Don't emit NOPs here.
8719 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8721 * alias.c (base_alias_check): Accept new args for the modes of the
8722 two references. Use them to determine if an AND can overlap. Update
8724 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8725 to determine if an AND can overlap.
8727 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8729 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8730 check. Add comment to document problems with TARGET_SUN_FPA version
8732 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8734 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8736 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8738 * c-common.c (print_char_table): Add missing initializers.
8739 (scan_char_table): Likewise.
8740 (time_char_table): Likewise.
8742 * c-decl.c (c_decode_option): Mark parameter `argc' with
8744 (declare_parm_level): Mark parameter `definition_flag' with
8747 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8748 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8751 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8753 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8755 (expand_call): Cast result of MIN() to (unsigned int) when
8756 comparing against an unsigned value.
8758 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8760 (make_definition): Remove unused parameter `op'. All callers
8762 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8763 comparing against the result of pointer arithmetic.
8765 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8766 when comparing against one.
8768 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8769 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8771 (output_die): Move variable `i' into the scope in which it is
8772 used. Change its type to `unsigned'.
8773 (output_die): Cast the result of `strlen' to (int) when passing it
8774 to ASM_OUTPUT_ASCII().
8775 (output_pubnames): Likewise.
8776 (output_line_info): Likewise.
8778 * emit-rtl.c (global_rtl): Add missing initializers.
8780 * explow.c (promote_mode): Mark parameter `for_call' with
8783 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8784 `unsigned HOST_WIDE_INT' when comparing against one.
8785 (synth_mult): Change type of variable `cost' to int.
8786 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8788 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8789 when comparing against one.
8790 (get_inner_reference): Change variable `alignment' to unsigned.
8791 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8792 int) when comparing against one.
8793 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8795 * fold-const.c (div_and_round_double): Cast BASE to
8796 (HOST_WIDE_INT) when comparing against one.
8798 * gencheck.c: Include gansidecl.h.
8799 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8801 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8802 `tcode' with ATTRIBUTE_UNUSED.
8804 * real.c (edivm): Cast constant value to (unsigned long) in
8805 expression compared against an unsigned value.
8807 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8808 comparing against one.
8809 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8810 when comparing against one.
8812 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8813 (unsigned int) when comparing against one. Likewise for
8815 (smallest_mode_for_size): Likewise.
8816 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8817 (restore_storage_status): Likewise.
8819 * toplev.c (debug_args): Add missing initializer.
8820 (f_options): Spelling correction. Add missing initializers.
8821 (documented_lang_options): Likewise.
8822 (debug_end_source_file): Mark parameter `lineno' with
8825 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8826 `decl' and `type' with ATTRIBUTE_UNUSED.
8828 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8829 when comparing against one.
8830 (assemble_variable): Mark parameter `top_level' with
8832 (assemble_external_libcall): Mark parameter `fun' with
8834 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8837 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8839 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8840 Replace use of r5 with use of r19.
8842 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8844 * config/v850/v850.c (compute_register_save_size): Allow for the
8845 fact that helper functions save all registers, not just those used
8848 Replace constant 31 with macro LINK_POINTER_REGNUM.
8850 * config/v850/v850.md: Use 'indirect_operand' rather than
8851 'memory_operand' for bit test/set/clear patterns.
8853 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8855 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8856 * varasm.c (assemble_start_function et al): Don't call
8857 ASM_GLOBALIZE_LABEL for weak symbols.
8859 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8861 * cse.c (equiv_constant): Check for NULL return from
8862 gen_lowpart_if_possible().
8864 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8866 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8868 * collect2.c (main): Pass -EL/-EB through to the compiler.
8870 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8872 * expr.c (push_block): Handle targets where the stack grows
8873 to higher addresses, but args grow to lower addresses and
8874 ACCUMULATE_OUTGOING_ARGS is not defined.
8876 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8878 * config/v850/v850.c (print_operand): Extend meaning
8879 of 'c' operands to support .vtinherit.
8881 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8883 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8884 Added ATTRIBUTE_UNUSED to unused function arguments.
8885 (rc_reg_operand): New predicate.
8886 (c4x_rptb_insert): New function.
8887 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8888 (c4x_optimization_options): New function.
8890 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8891 (decrement_and_branch_on_count): New pattern.
8892 (rptb_top): Modified pattern to work with BCT optimization.
8894 * config/c4x/c4x.h (RC_REG): New register class.
8895 (rc_reg_operand): Define prototype.
8896 (IS_RC_REG): New macro.
8897 (IS_RC_OR_PSEUDO_REG): New macro.
8898 (IS_RC_OR_PSEUDO_REGNO): New macro.
8899 (OPTIMIZATION_OPTIONS): Define.
8901 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8903 * collect2.c (extract_init_priority): No priority is 65535.
8905 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8907 * Makefile.in (build_tooldir): new variable, same as old
8908 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8909 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8910 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8912 * configure.in (gxx_include_dir): set default based on unlibsubdir
8913 * Makefile.in (tooldir): ditto
8914 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8915 gxx_include_dir, includedir and tooldir
8916 (protoize.o, unprotoize.o): ditto
8918 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8920 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8922 * config/arm/thumb.c (thumb_override_options): Add warning about
8923 PIC code not being supported just yet.
8925 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8927 * flow.c: Update comment.
8928 (notice_stack_pointer_modification): New static function.
8929 (record_volatile_insns): Use it.
8930 (mark_regs_live_at_end): Mark the stack pointer as alive
8931 at the end of the function if current_function_sp_is_unchanging
8933 (life_analysis_1): Set current_function_sp_is_unchanging.
8934 * function.c: Define it.
8935 (init_function_start): Initialize it.
8936 * output.h: Declare it.
8937 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8938 the stack pointer as alive at the end of the function if
8939 current_function_sp_is_unchanging is set.
8940 * i386.c (ix86_epilogue): Optimize the restoring
8941 of the stack pointer.
8943 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8945 * version.c: Bump for snapshot.
8947 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8949 * c-pragma.c (handle_pragma_token): If passed a token instead
8950 of a tree, use that as the pack value.
8952 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8954 * flow.c (find_basic_blocks_1): Fix prototype.
8956 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8958 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8959 (struct tree_decl): New fields no_check_memory_usage.
8960 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8961 (init_attributes): Register it as a new attribute.
8962 (decl_attributes): Set flags on functions given that attribute.
8963 * c-decl.c (duplicate_decls): Merge new attribute.
8964 * expr.h (current_function_check_memory_usage): Declare new var.
8965 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8966 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8967 current_function_check_memory_usage.
8968 * function.h: Add field to struct function.
8969 * function.c (current_function_check_memory_usage): Define it.
8970 (push_function_context_to, pop_function_context_from): Save and
8972 (expand_function_start): Set it, based on global flag and function
8975 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8976 check non-automatic variables, to permit detection of writes to
8977 read-only locations in embedded systems without memory management.
8978 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8979 when emitting chkr_set_right_libfunc call, even if the argument is
8980 BLKmode or variable-sized; don't abort.
8982 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8983 symbols in Pmode, not VOIDmode.
8985 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8987 * cppexp.c: When forcing unsigned comparisons, cast both sides
8990 * cpphash.h: Move static declaration of hashtab[]...
8991 * cpphash.c: ...here.
8993 * cpplib.c: Cast difference of two pointers to size_t before
8994 comparing it to size_t. Cast signed to unsigned
8995 before comparing to size_t. (FIXME: struct argdata should use
8996 unsigned buffer sizes.)
8997 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8998 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8999 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
9000 size_t before comparison.
9002 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
9004 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
9005 (find_basic_blocks_1): Similarly.
9006 * output.h (find_basic_blocks): Fix prototype.
9007 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
9008 find_basic_blocks anymore.
9010 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
9012 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
9013 (sbitmap_free, sbitmap_vector_free): New macros.
9014 * output.h (rtl_dump_file): Declare.
9016 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
9018 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
9020 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9022 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
9024 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
9025 (divide): Remove unused variable `tmp'.
9026 (si_to_float): Cast numeric constant to (SItype) before comparing
9029 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
9031 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
9032 * gcc.c (add_preprocessor_option): Correct typo when allocating
9033 memory, sizeof() argument had one too many `*'.
9034 (add_assembler_option): Likewise.
9035 (add_linker_option): Likewise.
9036 * gcov.c (output_data): Likewise.
9037 * local-alloc.c (memref_used_between_p): Likewise.
9038 (update_equiv_regs): Likewise.
9039 * loop.c (strength_reduce): Likewise.
9040 * reg-stack.c (record_asm_reg_life): Likewise.
9041 (subst_asm_stack_reg): Likewise.
9042 * reorg.c (dbr_schedule): Likewise.
9044 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9046 * flow.c (life_analysis_1): Break out some functions.
9047 (find_basic_blocks_1): Likewise. Also move some variables out and
9049 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
9050 new static var nonlocal_label_list with it.
9051 (active_eh_region, nested_eh_region, label_value_list,
9052 nonlocal_label_list): New static variables.
9053 (make_edges, delete_unreachable_blocks, delete_block): New static
9054 functions, broken out of find_basic_blocks_1.
9055 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
9056 noop_move_p): New static functions, broken out of life_analysis_1.
9058 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
9060 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
9061 Take extra care for op0 now possibly being a subreg.
9062 (extract_bit_field): Likewise.
9063 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
9064 the reg to memory if there is no equal sized integral mode.
9065 * stor-layout.c (int_mode_for_mode): New function.
9066 * machmode.h: Prototype it.
9068 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
9070 * global.c (build_insn_chain): Verify no real insns exist past the
9071 end of the last basic block, then exit the loop.
9073 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
9075 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
9077 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
9079 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
9081 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
9083 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
9085 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
9087 * flow.c (find_basic_blocks): Correctly determine when a call
9088 is within an exception region.
9090 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
9092 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
9094 * cpplib.h: Protect from multiple inclusions.
9095 * cpplib.c: Fix minor formatting problems.
9097 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
9099 * jump.c (jump_optimize): Revert accidental patch.
9101 * Makefile.in (cpplib.o): Use unlibsubdir.
9103 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
9105 * loop.c (get_condition): Allow combine when either compare is
9108 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
9110 * version.c: Bump for snapshot.
9112 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
9114 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
9115 (init_lex): Initialize ridpointers[RID_BYREF].
9116 * c-lex.h (enum rid): Add RID_BYREF.
9117 * c-parse.gperf: Add RID_BYREF as a type qualifier.
9118 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
9119 (encode_type_qualifiers): Similarly
9120 * c-gperf.h: Rebuilt.
9122 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
9124 * c-common.c (type_for_mode): Only return TItype nodes when
9125 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9126 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
9127 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9128 (init_decl_processing): Only create TItype nodes when
9129 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9130 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
9131 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9133 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9135 * stmt.c (n_occurrences): New static function.
9136 (expand_asm_operands): Verify that all constrains match in the
9137 number of alternatives.
9138 Verify that '+' or '=' are at the beginning of an output constraint.
9139 Don't allow '&' for input operands.
9140 Verify that '%' isn't written for the last operand.
9141 * reload.c (find_reloads): Abort if an asm is found with invalid
9142 constraints; all possible problems ought to be checked for earlier.
9144 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9146 * flags.h (flag_branch_on_count_reg): Always declare
9147 * toplev.c (flag_branch_on_count_reg): Likewise.
9148 * toplev.c: Fix typos.
9150 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
9153 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
9155 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9157 (find_basic_blocks_1): Add a nop to the end of a basic block when
9158 a trailing call insn does not have abnormal control flow.
9159 * gcse.c (pre_transpout): New variable.
9160 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9161 (compute_pre_transpout): Calculate it.
9162 (compute_pre_ppinout): Use it to eliminate impossible placements
9163 due to abnormal control flow through calls.
9164 (compute_pre_data): Call compute_pre_transpout.
9166 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9168 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9170 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9172 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9173 and matching define_insns): Tack on a `use' of the table label, so
9174 flow analysis will recognize a tablejump.
9176 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9178 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9179 always end basic blocks for abnormal edge reasons.
9181 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9183 * config/i386/i386.h: Remove definition of
9184 HANDLE_PRAGMA_PACK_PUSH_POP.
9186 * config/i386/go32.h: Add definition of
9187 HANDLE_PRAGMA_PACK_PUSH_POP.
9189 * config/i386/win32.h: Add definition of
9190 HANDLE_PRAGMA_PACK_PUSH_POP.
9192 * config/i386/cygwin32.h: Add definition of
9193 HANDLE_PRAGMA_PACK_PUSH_POP.
9195 * c-pragma.c (insert_pack_attributes): Do not insert
9196 attributes unless #pragma pack(push,<n>) is in effect.
9198 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9200 * expr.c (emit_group_store): Handle a PARALLEL destination.
9202 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9204 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9205 the new insns before the argument regs are loaded.
9207 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9209 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9210 (c-parse.gperf): Update comments describing invocation flags.
9211 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9213 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9215 * reload1.c (reload): Call free before clobbering the memory
9216 locations or constants pointers.
9218 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9220 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9221 for efficiency by checking whether we need to modify the current
9222 stack permission at all.
9223 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9224 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9225 __enable_execute_stack libcall here too if
9226 TRANSFER_FROM_TRAMPOLINE is defined.
9227 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9230 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9232 * Makefile.in (DRIVER_DEFINES): Remove last change.
9234 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9236 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9237 insns we're going to copy.
9238 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9240 * loop.c (count_one_set): Add prototype.
9242 * caller-save.c (restore_referenced_regs): Lose mode argument.
9243 (insert_save): Lose mode argument.
9244 (insert_restore): Lose mode argument.
9245 (insert_one_insn): Lose mode argument.
9246 (save_call_clobbered_regs): Lose mode argument.
9247 (setup_save_areas): Take no argument and return void. All callers
9249 Don't verify validity of memory addresses.
9250 * reload.h (setup_save_ares): Adjust prototype.
9251 (save_call_clobbered_regs): Likewise.
9252 * reload1.c (delete_caller_save_insns): New function.
9253 (caller_save_spill_class): Delete variable.
9254 (caller_save_group_size): Delete variable.
9255 (reload): Call setup_save_areas and save_call_clobbered_regs
9256 in the main loop, before calling calculate_needs_all_insns.
9257 Don't call save_call_clobbered_regs after the loop.
9258 Call delete_caller_save_insns at the end of an iteration if
9260 Delete code to manage caller_save_spill_class.
9261 Emit the final note before setting reload_first_uid.
9262 Simplify test that determines whether reload_as_needed gets run.
9263 (calculate_needs): Delete code to manage caller_save_spill_class.
9265 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9267 * collect2.c (main): Initialize ld_file_name.
9269 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9271 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9272 check for flag_function_sections.
9274 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9276 * cse.c (insert_regs): Fix bug in Sep 24 change.
9278 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9280 * flags.h (flag_dump_unnumbered): Declare.
9281 * toplev.c (flag_dump_unnumbered): Don't declare.
9282 * print-rtl.c (flags.h): Include.
9283 (print_rtl_single): Add return value.
9284 * rtl.h (print_rtl_single): Update declaration.
9285 * flow.c (flag_dump_unnumbered): Don't declare.
9286 (print_rtl_with_bb): Use return value of print_rtl_single.
9288 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9290 * loop.c (count_one_set): New static function, broken out of
9292 (count_loop_regs_set): Call it.
9293 * global.c (mark_reg_store): Handle clobbers here by not calling
9295 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9296 is in fact a clobber.
9297 * integrate.c (process_reg_param): New function, broken out of
9298 expand_inline_function.
9299 (expand_inline_function): Call it.
9302 * i386.md (addsidi3_1): Delete unused variable temp.
9303 (addsidi3_2): Likewise.
9304 (clstrstrsi): Delete unused variable addr1.
9306 * rtl.h: Don't declare any functions also declared in recog.h.
9308 * Makefile.in (stupid.o): Update dependencies.
9309 (global.o): Likewise.
9311 * global.c: Include reload.h
9312 (reg_becomes_live): New function.
9313 (reg_dies): New function.
9314 (build_insn_chain): New function.
9315 (global_alloc): Call build_insn_chain before calling reload.
9317 * reload.h (struct needs): New structure definition.
9318 (struct insn_chain): Likewise.
9319 (reload_insn_chain): Declare variable.
9320 (new_insn_chain): Declare function.
9323 * reload1.c (reload_startobj): New variable.
9324 (reload_insn_chain): New variable.
9325 (unused_insn_chains): New variable.
9326 (new_insn_chain): New function.
9327 (init_reload): Initialize reload_startobj, not reload_firstobj.
9328 (reload): Initialize reload_firstobj.
9329 Before returning, free everything on the reload_obstack.
9331 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9332 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9333 current_chain): New variables.
9334 (reg_where_born): Delete variable.
9335 (REG_WHERE_BORN): New macro.
9336 (find_clobbered_regs): New function.
9337 (stupid_life_analysis): Don't allocate/free reg_where_born.
9338 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9339 reg_where_dead_chain.
9340 Use REG_WHERE_BORN instead of reg_where_born.
9341 While processing the insns, build the reload_insn_chain with
9342 information about register lifetimes.
9343 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9344 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9346 Compute and information about birth and death of pseudo registers in
9347 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9348 Delete code to set elements of reg_where_born.
9350 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9352 * tree.def (GOTO_EXPR): Modified documentation.
9353 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9356 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9358 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9359 loop_final_value, loop_comparison_code): No longer static.
9360 (unroll_loop): Delete loop_start_value update.
9361 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9362 loop_final_value, loop_comparison_code): Extern.
9363 (loop_start_value): Delete extern.
9364 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9365 loop_comparison_value, loop_comparison_code): Delete.
9366 (loop_optimize): Remove initialization for deleted variables.
9367 (strength_reduce): Delete analyze_loop_iterations call. Only call
9368 insert_bct if flag_branch_count_on_reg set.
9369 (analyze_loop_iterations): Delete.
9370 (insert_bct): Remove iteration count calculation. Move checks for
9371 viable BCT optimization to here. Obtain iteration count from
9372 loop_iterations and correct for unrolling. Check for enough
9373 iteration to be beneficial. Comment out runtime iteration count
9375 (insert_bct): Print iteration count in dump file. Remove
9376 loop_var_mode and use word_mode directly.
9378 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9379 * rs6000.c (rs6000_override_options): Use it.
9380 (optimization_options): Enable use of flag_branch_on_count_reg.
9381 * rs6000.md (define_function_unit): Describe 604e.
9383 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9385 * loop.c (move_movables): Corrected threshold calculation for
9386 moved_once registers.
9388 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9390 * loop.c (combine_givs_p): Fix test for identical givs.
9392 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9394 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9395 call abort if the function is already defined.
9397 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9399 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9400 truncation is not a no-op.
9402 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9404 * version.c: Bump for snapshot.
9406 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9408 * version.c: Bump for snapshot.
9410 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9412 * expmed.c (expand_divmod): Don't widen for computing remainder
9413 if we seem to have a divmod pattern for needed mode.
9415 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9417 * cpplib.c (macroexpand): Correct off-by-one error in handling
9420 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9422 * combine.c (expand_field_assignment): Don't do bitwise operations
9423 on MODE_FLOAT; pun to MODE_INT if possible.
9425 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9426 scott snyder <snyder@d0sgif.fnal.gov>
9428 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9429 linker. Recognize mangled names in quotes.
9431 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9433 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9434 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9435 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9436 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9438 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9440 * function.c (purge_addressof_1): If trying to take a sub-word
9441 integral piece of a floating point mode, put it on the stack.
9443 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9445 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9447 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9449 * PROJECTS: Remove template friends.
9451 * collect2.c (sort_ids): Remove unused variable.
9453 * tm.texi (MATH_LIBRARY): Document.
9454 (NEED_MATH_LIBRARY): Remove.
9456 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9457 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9459 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9461 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9462 last_end to 0x7fffffff.
9464 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9466 * function.c (purge_addressof_1): Do not perform endianness
9467 corrections on bitpos, who we call will do it for us.
9469 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9471 * h8300.c (WORD_REG_USED): Fix typo.
9472 (initial_offset): Use WORD_REG_USED.
9474 * h8300.c (handle_pragma): Fix typo.
9476 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9478 * caller-save.c (insert_save_restore): Break this function up
9479 into new functions insert_restore, insert_save and insert_one_insn.
9480 All callers changed.
9481 (insert_restore): New function, mostly broken out of
9482 insert_save_restore.
9483 (insert_save): Likewise.
9484 (insert_one_insn): Likewise.
9485 (restore_referenced_regs): New argument BLOCK. All callers changed.
9486 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9487 in this function, do it in insert_one_insn instead.
9489 * reload1.c (reload): Break out some more pieces into separate
9491 (dump_needs): New function, broken out of reload.
9492 (set_initial_elim_offsets): Likewise.
9493 (init_elim_table): Likewise.
9494 (update_eliminables): Likewise.
9496 * global.c (global_alloc): Delete code to manage the scratch_list.
9497 * local-alloc.c (qty_scratch_rtx): Delete.
9498 (scratch_block): Delete.
9499 (scratch_list): Delete.
9500 (scratch_list_length): Delete.
9501 (scratch_index): Delete.
9502 (alloc_qty_for_scratch): Delete.
9503 (local-alloc): Update initialization of max_qty.
9504 Delete code to manage the scratch list.
9505 Delete code to allocate/initialize qty_scratch_rtx.
9506 (block_alloc): Don't allocate quantities for scratches.
9507 Delete code to manage the scratch list.
9508 * regs.h (scratch_list): Delete declaration.
9509 (scratch_block): Delete declaration.
9510 (scratch_list_length): Delete declaration.
9511 * reload1.c (reload): Delete code to manage the scratch list.
9512 (spill_hard_reg): Likewise.
9513 (mark_scratch_live): Delete.
9515 * recog.c (alter_subreg): Delete declaration.
9517 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9519 * Makefile.in (cccp.o): Fix typo in last patch.
9521 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9523 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9524 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9526 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9528 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9529 NULL_RTX as an argument.
9531 * Makefile.in (unlibsubdir): Define.
9532 (DRIVER_DEFINES): Use unlibsubdir.
9533 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9534 (stmp-fixinc): Similarly.
9536 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9538 * regmove.c (regmove_optimize): Add variable old_max_uid.
9539 At the end of the function, update basic_block_end.
9541 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9543 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9544 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9547 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9549 * config/arm/arm.c: Improve interworking support.
9551 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9553 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9554 copied from reload_out[r] .
9556 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9558 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9559 with more than three size ranges.
9561 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9563 * rtl.c (mode_name): Add a null string at the end of the array.
9564 (mode_wider_mode): Change type to unsigned char.
9565 (mode_mask_array): New variable.
9566 (init_rtl): Update for mode_wider_mode type change.
9568 * rtl.h (mode_wider_mode): Change type to unsigned char.
9569 (mode_mask_array): Declare.
9570 (GET_MODE_MASK): Use mode_mask_array.
9572 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9574 * calls.c (expand_call) : Encapsulate code into
9575 copy_blkmode_from_reg.
9576 * expr.c (copy_blkmode_from_reg): New function.
9577 * expr.h (copy_blkmode_from_reg): New function.
9578 * integrate.c (function_cannot_inline_p): We can inline
9580 (expand_inline_function): Use copy_blkmode_from_reg
9581 if needed. Avoid creating BLKmode REGs.
9582 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9585 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9587 * config/v850/v850.c: Add function prototypes.
9588 Add support for v850 special data areas.
9590 * config/v850/v850.h: Add support for v850 special data areas.
9592 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9593 HANDLE_PRAGMA_PACK_PUSH_POP.
9594 (push_alignment): New function: Cache an alignment requested
9595 by a #pragma pack(push,<n>).
9596 (pop_alignment): New function: Pop an alignment from the
9598 (insert_pack_attributes): New function: Generate __packed__
9599 and __aligned__ attributes for new decls whilst a #pragma pack
9601 (add_weak): New function: Cache a #pragma weak directive.
9602 (handle_pragma_token): Document calling conventions. Add
9603 support for #pragma pack(push,<n>) and #pragma pack (pop).
9605 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9606 are defined enable HANDLE_PRAGMA_PACK.
9607 Move 'struct weak_syms' here (from varasm.c).
9608 Add pragma states for push and pop pragmas.
9610 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9613 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9614 HANDLE_GENERIC_PRAGMAS.
9616 * varasm.c: Move definition of 'struct weak_syms' into
9618 (handle_pragma_weak): Deleted.
9620 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9622 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9624 * c-decl.c (start_function): Add invocation of
9625 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9627 * tm.texi: Remove description of non-existant macro
9628 SET_DEFAULT_SECTION_NAME.
9630 (HANDLE_SYSV_PRAGMA): Document.
9631 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9633 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9635 * config.sub: Recognize i[34567]86-pc-udk as new target.
9636 * configure.in: Likewise.
9637 * config/i386/t-udk: New file.
9638 * config/i386/udk.h: New file.
9640 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9642 * reorg.c (check_annul_list_true_false): Remove unused variables.
9643 (steal_delay_list_from_target): Add missing "used_annul" variable.
9644 (try_merge_delay_insns): Close out half formed comment.
9646 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9648 * cpplib.c (macroexpand): If arg->raw_before or
9649 arg->raw_after, remove any no-reexpansion escape at the
9650 beginning of the pasted token. Correct handling of whitespace
9651 markers and no-reexpand markers at the end if arg->raw_after.
9653 * toplev.c (documented_lang_options): Recognize -include,
9654 -imacros, -iwithprefix, -iwithprefixbefore.
9655 * cpplib.c (cpp_start_read): Process -imacros and -include
9656 switches at the same time and in command-line order, after
9657 initializing the dependency-output code. Emit properly nested
9658 #line directives for them. Emit a #line for the main file
9659 before processing these switches, and don't do it again
9662 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9664 * function.c (purge_addressof_1): Use bitfield manipulation
9665 routines to handle mem mode < reg mode.
9667 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9669 * reorg.c (try_merge_delay_insns): Account for resources referenced
9670 in each instruction in INSN's delay list before trying to eliminate
9671 useless instructions. Similarly when looking at a trial insn's delay
9674 * reorg.c (check_annul_list_true_false): New function.
9675 (steal_delay_list_from_{target,fallthrough}): Call it and also
9676 refine tests for when we may annul if already filled a slot.
9677 (fill_slots_from_thread): Likewise.
9678 (delete_from_delay_slot): Return newly-created thread.
9679 (try_merge_delay_isns): Use its new return value.
9681 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9683 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9684 used to compute a giv or as some other non-counting use.
9686 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9688 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9689 * local-alloc.c (find_free_reg): Use it.
9690 * global.c (find_reg): Likewise.
9691 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9693 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9694 * caller-save.c (init_caller_save): Use it.
9695 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9697 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9699 * configure.in: Add --enable-cpplib option which uses cpplib
9700 for cpp, but doesn't link cpplib into cc1. Make help text
9701 capitalization consistent.
9702 * configure: Rebuilt.
9704 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9706 * function.c (gen_mem_addressof): If the address REG is
9707 REG_USERVAR_P make the new REG be so also.
9708 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9709 in an attempt to clarify slightly.
9711 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9713 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9714 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9716 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9718 * toplev.c: Fix last patch.
9720 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9722 * loop.c (get_condition): Fix typo in May 9 change.
9724 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9726 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9728 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9730 * toplev.c (documented_lang_options): Spelling corrections.
9732 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9734 * configure.in: new flags --with-ld and --with-as, equivalent
9735 to setting LD and AS environment variables. Test whether
9736 specified arguments are GNU commands, and report them with
9737 checking messages. Use the specified AS for configure
9740 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9742 * gcc.c (find_a_file): when looking for `as' and `ld', return
9743 the DEFAULT program if it exists
9744 * collect2.c (main): use DEFAULT_LINKER if it exists
9746 * gcc.c (find_a_file): the test for existence of a full
9747 pathname was reversed
9749 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9751 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9752 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9754 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9756 * tree.h (TYPE_BINFO): Document.
9758 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9760 * i386-coff.h (dbxcoff.h): Added.
9762 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9764 * toplev.c: fix bad patch around flag_data_sections.
9766 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9768 * reload1.c (reload): Use reload_address_index_reg_class and
9769 reload_address_base_reg_class when setting
9770 caller_save_spill_class. (Patch generated by Jim Wilson:
9773 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9775 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9776 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9777 * expr.c (store_field): Add alias_set parameter. Set the
9778 MEM_ALIAS_SET accordingly, if the target is a MEM.
9779 (expand_assignment): Use it.
9780 (store_constructor_field): Pass 0.
9781 (expand_expr): Likewise.
9783 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9785 * flags.h: Add flag_data_sections.
9786 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9787 (compile_file): Error if flag_data_sections not supported.
9788 * varasm.c (assemble_variable): Handle flag_data_sections.
9789 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9790 * config/mips/elf.h: Likewise.
9791 * config/mips/elf64.h: Likewise.
9792 * invoke.texi: Describe -fdata-sections.
9794 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9796 * invoke.texi (-ffloat-store): Clarify that this option
9797 does not affect intermediate results -- only variables.
9799 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9801 * cpp.texi: Update for Fortran usage from Craig.
9803 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
9805 * rs6000.c (function_arg_boundary): Revert accidental change on
9808 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9810 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9811 (output_mi_thunk): Declare.
9813 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9814 (output_function_profiler): Use r12 for temp, instead of r11 so
9815 that we preserve the static chain register.
9817 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9819 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9821 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9823 * sh.c (gen_shl_sext): Fix case 5.
9825 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9827 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9829 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9831 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9832 accessing variables until they are initialized via va_arg().
9834 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9836 * reload1.c (reload_combine): Initialize set before using.
9838 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9840 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9843 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9845 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9846 operand3 with mask before using it. Patch provided by Jim Wilson.
9848 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9850 * config/sparc/sparc.c (function_value): Perform the equivalent of
9851 PROMOTE_MODE for ARCH64.
9852 (eligible_for_epilogue_delay): Allow DImode operations in delay
9853 slot of a return for ARCH64.
9855 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9857 * sh.md (sqrtsf2): Fix mode of sqrt.
9859 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9861 * reload1.c (choose_reload_regs): Also try inheritance when
9862 reload_in is a stack slot of a pseudo, even if we already got a
9865 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9867 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9868 (reload_cse_regs): New function body: call reload_cse_regs_1,
9869 reload_combine, reload_cse_move2add.
9870 When doing expensive_optimizations, call reload_cse_regs_1 a
9871 second time after reload_cse_move2add.
9872 (reload_combine, reload_combine_note_store): New functions.
9873 (reload_combine_note_use): New function.
9874 (reload_cse_move2add, move2add_note_store): New functions.
9876 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9878 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9879 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9881 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9882 more than 3 such reloads.
9884 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9885 RELOAD_FOR_X_ADDR_ADDR reload.
9887 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9889 * expr.c (store_constructor): When initializing a field that is smaller
9890 than a word, at the start of a word, try to widen it to a full word.
9892 * cse.c (cse_insn): When we are about to change a register,
9893 remove any invalid references to it.
9895 (remove_invalid_subreg_refs): New function.
9896 (mention_regs): Special treatment for SUBREGs.
9897 (insert_regs): Don't strip SUBREG for call to mention_regs.
9898 Check if reg_tick needs to be bumped up before that call.
9899 (lookup_as_function): Try to match known word_mode constants when
9900 looking for a norrower constant.
9901 (canon_hash): Special treatment for SUBREGs.
9903 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9905 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9906 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9907 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9908 and offsets in actual stack trampoline code so they match the
9909 commentary and actually work.
9911 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9913 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9915 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9916 tmake_file. Set extra_parts to needed crt objects.
9917 * configure: Rebuilt.
9918 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9919 (TARGET_DEFAULT): Set if default is v9 or ultra.
9920 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9921 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9922 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9923 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9924 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9925 (TARGET_VERSION): Define.
9926 (MULTILIB_DEFAULT): Define.
9927 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9928 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9929 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9931 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9932 * config/sparc/sparc.c (sparc_override_options): If arch and
9933 pointer size disagree, emit diagnostic and fix it up. If
9934 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9935 V8PLUS in 64-bit mode.
9936 * config/sparc/t-linux64: New file.
9937 * config/sparc/t-sol2-64: New file.
9938 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9939 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9940 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9941 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9942 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9943 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9945 (STARTFILE_SPEC): Set approriately based upon those.
9946 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9947 disposition of DEFAULT_ARCH32_P.
9948 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9949 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9950 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9951 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9952 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9954 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9956 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9958 * rtl.h (init_virtual_regs): New function.
9959 * emit-rtl.c (init_virtual_regs): Define.
9960 (insn_emit): Use it.
9961 * integrate.c (save_for_inline_copying): Likewise.
9963 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9965 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9966 (enum reg_class): Add NONARG_LO_REGS support.
9967 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9968 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9969 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9970 completes. Re-enable HImode REG+OFFSET addresses.
9971 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9973 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9975 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9977 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9978 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9979 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9981 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9983 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9984 jumps as a single entity, taking into account the size of the
9987 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9989 * tree.def (SWITCH_EXPR): New tree node definition.
9991 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9993 * version.c: Bump for snapshot.
9995 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9997 * version.c: Bump for snapshot.
9999 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
10001 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
10004 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
10006 * Revert this patch.
10007 * reload.c (find_reloads): Do not replace a pseudo with
10008 (MEM (reg_equiv_addr)) in the initializing insn for the
10011 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
10013 * final.c (final_scan_insn): Disable tracking CC across branches.
10015 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10017 * expr.h (eh_rtime_match_libfunc): New extern declaration.
10018 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
10019 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
10020 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
10021 NULL. Only include <stdio.h> if inhibit_libc is not defined.
10023 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
10025 * toplev.c (rest_of_compilation): Skip compiling anything with
10026 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
10028 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
10030 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
10031 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
10032 use in_libcall_block.
10033 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
10034 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
10037 Mon Sep 21 14:02:23 1998
10039 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
10040 typo in no-fancy-math-387 description.
10042 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
10044 * version.c: Bump for snapshot.
10046 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
10048 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
10050 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
10052 * i386.h: (TARGET_SWITCHES) Add description fields for flags
10053 documented in install.texi.
10054 (TARGET_OPTIONS) Likewise.
10056 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
10058 * version.c: Bump for snapshot.
10060 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
10062 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
10063 * cccp.c (main): Likewise.
10065 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
10066 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
10069 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
10071 * Makefile.in (LIBS): Link in libiberty.a.
10072 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
10074 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
10076 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
10077 it to update bb boundaries. Update caller.
10078 * function.c (reposition_prologue_and_epilogue_notes): Update
10079 bb boundaries wrt the moved note.
10081 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
10083 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
10085 * configure: Regenerate.
10087 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
10089 * alpha.c (alpha_sr_alias_set): New variable.
10090 (override_options): Set it.
10091 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
10092 (mode_mask_operand): Fix signed-unsigned comparision warning.
10093 (alpha_expand_block_move): Likewise.
10094 (print_operand): Likewise.
10095 (get_aligned_mem): Use change_address.
10096 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
10097 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
10098 (alphaev4_next_nop, alphaev5_next_nop): New functions.
10099 (alpha_align_insns): Remade from old alphaev5_align_insns
10100 to handle multiple processors.
10101 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
10102 * output.h (label_to_alignment): Prototype.
10104 * tree.c (new_alias_set): New function.
10105 * tree.h (new_alias_set): Declare it.
10106 * c-common.c (c_get_alias_set): Use it.
10108 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
10110 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
10111 to an ABS expr, convert an unsigned input to signed.
10113 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
10115 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
10117 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10119 * configure.in: Add support for c4x targets.
10120 * configure: Rebuilt.
10122 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
10124 * combine.c (distribute_notes): If an insn is a cc0 user, only
10125 delete it if we can also delete the cc0 setter.
10127 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
10129 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
10130 (invert_truthvalue): Enable truthvalue inversion for
10131 floating-point operands if -ffast-math.
10133 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
10135 * configure.in: Disable collect2 for nextstep. Instead use
10137 * configure: Rebuilt.
10138 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
10139 (ENDFILE_SPEC): Define.
10140 (OBJECT_FORMAT_MACHO): Define.
10141 (EH_FRAME_SECTION_ASM_OP): Define.
10142 * crtstuff.c: Handle MACHO.
10144 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
10146 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
10148 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
10150 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
10151 (_fpadd_parts): Get sign right for 0.
10153 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10155 * ginclude/varargs.h: Add support for C4x target.
10156 * ginclude/stdargs.h: Likewise.
10158 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10160 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10161 (alpha_emit_set_long_const): Rewrite to be callable from reload
10163 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10164 * alpha.md (movdi): Likewise.
10166 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10168 * arm.c (add_constant): New parameter address_only, change caller.
10169 Set it non-zero if taking the address of an item in the pool.
10170 (arm_reorg): Handle cases where we need the address of an item in
10173 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10175 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10176 memory addresses that are not in standard canonical form.
10178 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10180 * README.C4X: New file with information about the c4x ports.
10181 * ginclude/va-c4x.h: New file for c4x varargs support.
10182 * config/c4x: New directory with c4x port files.
10184 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10186 * reload.c (find_reloads): Do not replace a pseudo with
10187 (MEM (reg_equiv_addr)) in the initializing insn for the
10190 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10192 * toplev.c (rest_of_compilation): Set bct_p on second call to
10194 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10196 (strength_reduce): Only call analyze_loop_iterations and
10197 insert_bct if bct_p set.
10198 (check_dbra_loop): Fix typo.
10199 (insert_bct): Use word_mode instead of SImode.
10200 (instrument_loop_bct): Likewise. Do not delete iteration count
10201 condition code generation insn. Initialize iteration count before
10203 * rtl.h (loop_optimize): Update prototype.
10205 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10206 not doubleword aligned.
10208 * rs6000.c (optimization_options): New function.
10209 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10210 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10211 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10212 first; cr1 can be used for FP record condition insns.
10214 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10216 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10219 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10222 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10224 (block_move_call): New function: Call a library routine to copy a
10226 (m32r_expand_block_move): New function: Expand a "movstrsi"
10227 pattern into a sequence of insns.
10228 (m32r_output_block_move): New function: Expand a
10229 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10230 (m32r_block_immediate_operand): New function: Return true if the
10231 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10233 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10235 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10236 re-align some code.
10237 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10239 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10241 * regmove.c (copy_src_to_dest): Check that modes match.
10243 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10245 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10247 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10249 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10250 narrower than FLOAT_REGS.
10252 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10254 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10256 * Makefile.in (old_gxx_include_dir): removed
10258 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10260 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10263 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10264 (sh_handle_pragma): Change function arguments to match new
10265 specification for HANDLE_PRAGMA.
10267 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10269 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10271 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10272 When generating output, initialize missing struct member to zero.
10274 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10276 * regmove.c (copy_src_to_dest): Don't copy if that requires
10277 (a) new register(s).
10279 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10281 * global.c (reg_allocno): Now static.
10282 * reload1.c (reg_allocno): Delete declaration.
10283 (order_regs_for_reload): Take no arguments. Don't treat regs
10284 allocated by global differently than those allocated by local-alloc.
10286 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10288 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10289 condition, fix format strings.
10290 (output_function_epilogue): Likewise.
10292 * m68k/m68k.c: Don't include <stdlib.h> directly.
10294 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10296 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10297 mem_first_set, mem_last_set; because 0 can be a CUID.
10298 (oprs_unchanged_p): Use new definition.
10299 (record_last_reg_set_info): Likewise.
10300 (record_last_mem_set_info): Likewise.
10301 (compute_hash_table): Likewise.
10303 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10305 * rs6000.c (output_epilogue): Handle Chill.
10307 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10308 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10310 * combine.c (make_extraction): If no mode is specified for
10311 an operand of insv, extv, or extzv, default it to word_mode.
10312 (simplify_comparison): Similarly.
10313 * expmed.c (store_bit_field): Similarly.
10314 (extract_bit_field): Similarly.
10315 * function.c (fixup_var_regs_1): Similarly.
10316 * recog.c (validate_replace_rtx_1): Similarly.
10317 * mips.md (extv, extzv, insv expanders): Default modes for most
10318 operands. Handle TARGET_64BIT.
10319 (movdi_uld, movdi_usd): New patterns.
10321 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10322 equivalent memory location unless we have been provided a scratch
10323 register. Similarly do not call find_replacement unless a
10324 scratch register has been provided.
10326 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10328 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10331 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10333 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10334 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10335 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10336 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10337 * c-decl.c (init_decl_processing): Update accordingly.
10338 * expr.c (expand_builtin): Likewise.
10340 * rtl.h (global_rtl): Add cfa entry.
10341 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10342 (LAST_VIRTUAL_REGISTER): Update.
10343 * emit-rtl.c (global_rtl): Add cfa entry.
10344 (init_emit): Initialize it.
10345 * function.c (cfa_offset): New.
10346 (instantiate_virtual_regs): Initialize it.
10347 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10348 (expand_function_end): Call expand_eh_return.
10349 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10351 * except.c (current_function_eh_stub_label): Kill.
10352 (current_function_eh_old_stub_label): Likwise; update all references.
10353 (expand_builtin_set_return_addr_reg): Kill.
10354 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10355 (expand_builtin_set_eh_regs): Kill.
10356 (eh_regs): Produce a third reg for the actual handler address.
10357 (eh_return_context, eh_return_stack_adjust): New.
10358 (eh_return_handler, eh_return_stub_label): New.
10359 (init_eh_for_function): Initialize them.
10360 (expand_builtin_eh_return, expand_eh_return): New.
10361 * except.h: Update prototypes.
10362 * flow.c (find_basic_blocks_1): Update references to the stub label.
10363 * function.h (struct function): Kill stub label elements.
10365 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10366 register number is one that would be in the previous window.
10367 Provide a dummy definition for non-windowed targets.
10368 (get_reg_addr): New function.
10369 (get_reg, put_reg, copy_reg): Use it.
10370 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10371 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10373 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10374 (alpha_init_expanders): Initialize it.
10375 (alpha_expand_epilogue): Use it.
10376 * alpha.h: Declare it.
10377 * alpha.md (eh_epilogue): New.
10379 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10380 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10382 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10384 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10387 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10389 * except.h (struct eh_entry): Add false_label field.
10390 (end_catch_handler): Add prototype.
10391 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10392 (start_catch_handler): When using old style exceptions, issue
10393 runtime typematch code before continuing with the handler.
10394 (end_catch_handler): New function, generates label after handler
10395 if needed by older style exceptions.
10396 (expand_start_all_catch): No need to check for new style exceptions.
10397 (output_exception_table_entry): Only output the first handler label
10398 for old style exceptions.
10399 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10400 mechanism into one function, if a runtime matcher is provided.
10402 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10404 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10406 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10408 * integrate.c (copy_decl_list): Fix typo.
10410 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10412 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10415 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10417 * version.c: Bump for snapshot.
10419 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10421 * version.c: Bump for snapshot.
10423 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10425 * version.c: Bump for snapshot.
10427 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10429 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10431 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10433 * configure.in: remove usage of `!' to negate the result of a
10434 command; some common shells do not support it
10436 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10438 * configure.in: in sparc9-sol2 config, use 'if test' not
10440 * configure: Rebuilt.
10442 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10444 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10445 (CPP_CPU_DEFAULT_SPEC): Likewise.
10446 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10447 for arch64 libfuncs.
10449 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10452 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10454 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10456 * collect2.c: Don't declare `sys_siglist' here.
10457 (my_strsignal): Prototype and define new function. Use it in
10458 place of `sys_siglist' hacks.
10460 * mips_tfile.c: Likewise.
10462 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10463 (GCC_NEED_DECLARATIONS): Likewise.
10465 * system.h (strsignal): Prototype it, if necessary.
10466 (sys_siglist): Declare it, if necessary.
10468 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10470 * loop.c (move_movables): While removing insn sequences, preserve
10471 the next pointer of the most recently deleted insn when we skip
10474 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10476 * objc/config-lang.in: Do not output the name of the selected
10477 thread file when building the front-end. The Makefile for the
10478 runtime library will do this.
10480 * objc/Make-lang.in: Do not build the runtime library or install
10481 the Objective C header files. The Makefile for the runtime
10482 library will do this.
10484 * objc/Makefile.in (all.indirect): Only build the front-end.
10485 (compiler): Rename to `frontend'.
10486 (obj-runtime): Remove target.
10487 (copy-headers): Likewise.
10488 (clean): No need to remove `libobjc.a' any longer.
10490 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10492 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10493 supported with -mcpu=xxx.
10495 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10497 * flow.c (mark_set_1): Recognize multi-register structure return
10498 values in CALL insns.
10499 (mark_used_regs): Likewise.
10500 (count_reg_sets_1): Likewise.
10501 (count_reg_references): Likewise.
10502 * rtlanal.c (note_stores): Likewise.
10503 (reg_overlap_mentioned_p): Likewise.
10504 * haifa-sched.c (check_live_1): Likewise.
10505 (update_live_1): Likewise.
10506 (sched_analyze_1): Likewise.
10507 (sched_note_set): Likewise.
10508 (birthing_insn_p): Likewise.
10509 (attach_deaths): Likewise.
10511 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10514 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10516 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10518 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10520 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10522 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10524 * configure.in: Add check for GAS subsection -1 support.
10525 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10526 * configure config.in: Rebuilt.
10527 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10528 SImode is subsection -1 works, else use DImode.
10529 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10530 subsection -1 works.
10531 * config/sparc/sparc.c (sparc_output_addr_vec,
10532 sparc_output_addr_diff_vec): Use them if defined.
10534 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10536 * tree.h (DECL_ORIGIN): New macro.
10537 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10538 (copy_decl_list): Use it.
10539 (integrate_parm_decls): Likewise.
10540 (integrate_decl_tree): Likewise.
10541 * dwarf2out.c (decl_ultimate_origin): Simplify.
10542 * dwarfout.c (decl_ultimate_origin): Likewise.
10543 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10544 (pushdecl): Likewise.
10546 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10548 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10550 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10552 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10554 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10556 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10557 empty or has a single entry.
10559 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10560 before calling reg_to_stack.
10562 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10564 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10565 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10567 * c-tree.h (warn_long_long): Declare it.
10569 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10571 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10572 initialized float-int union if the value is a NaN.
10574 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10576 * c-lex.c (real_yylex): Don't warn about long long constants if
10577 we're allowing long long
10579 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10581 * except.h (current_function_eh_stub_label): Declare.
10582 (current_function_eh_old_stub_label): Declare.
10583 * function.h (struct function): New members eh_stub_label and
10585 * except.c (current_function_eh_stub_label): New variable.
10586 (current_function_eh_old_stub_label): New variable.
10587 (init_eh_for_function): Clear them.
10588 (save_eh_status): Save them.
10589 (restore_eh_status): Restore them.
10590 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10591 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10592 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10593 make an edge from the block that contains it to the block starting
10594 with the label if this label is one of the eh stub labels.
10595 If eh stub labels exist, show they are reachable from the last block
10598 * reload1.c (reload): Break out several subroutines and make some
10600 (calculate_needs_all_insns): New function, broken out of reload.
10601 (calculate_needs): Likewise.
10602 (find_reload_regs): Likewise.
10603 (find_group): Likewise.
10604 (find_tworeg_group): Likewise.
10605 (something_needs_reloads): New global variable, formerly in reload.
10606 (something_needs_elimination): Likewise.
10607 (caller_save_spill_class): Likewise.
10608 (caller_save_group_size): Likewise.
10609 (max_needs): Likewise.
10610 (group_size): Likewise.
10611 (max_groups): Likewise.
10612 (max_nongroups): Likewise.
10613 (group_mode): Likewise.
10614 (max_needs_insn): Likewise.
10615 (max_groups_insn): Likewise.
10616 (max_nongroups_insn): Likewise.
10617 (failure): Likewise.
10619 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10621 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10623 * loop.c (load_mems): Copy rtx for output mem.
10625 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10627 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10628 mips1 or mips2 either.
10630 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10632 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10634 (pa_adjust_insn_length): Update to work with new marking scheme
10635 for jumps inside switch tables.
10636 * pa.md (switch_jump): Remove pattern.
10637 (jump): Handle jumps inside jump tables.
10639 * Makefile.in (profile.o): Depend on insn-config.h
10641 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10643 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10645 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10647 Add preliminary native sparcv9 Solaris support.
10648 * configure.in: Recognize sparv9-*-solaris2*
10649 * configure: rebuilt
10650 * config.sub: Recognize sparcv9 just like sparc64.
10651 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10652 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10653 32-bit and 64-bit Solaris systems.
10654 * config/sparc/t-sol2: Assemble those with cpp.
10655 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10656 (*TF*_LIBCALL): If ARCH64 use V9 names.
10657 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10659 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10661 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10662 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10664 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10666 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10667 to Pmode if CASE_VECTOR_MODE is something else.
10669 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10671 * prefix.c (update_path): Correctly handle cases where PATH is
10672 a substring of the builtin prefix, but specifies a different
10673 directory location.
10675 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10677 * expr.c: Corrected comment about what MOVE_RATIO does.
10678 * config/alpha/alpha.h: Ditto.
10679 * config/1750a/1750a.h: Ditto.
10680 * config/clipper/clipper.h: Ditto.
10681 * config/i386/i386.h: Ditto.
10683 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10685 * configure.in (m68k-next-nextstep3*): Use collect2.
10686 Similarly for x86 NeXT configurations.
10687 * configure: Rebuilt.
10689 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10691 * configure.in: Don't assume srcdir is .../gcc
10692 * configure: Rebuilt.
10694 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10696 * global.c: Update comments.
10697 (global_alloc): Assign allocation-numbers
10698 even for registers allocated by local_alloc in case
10699 they are later spilled and retry_global_alloc is called.
10700 (mark_reg_store, mark_reg_clobber,
10701 mark_reg_conflicts, mark_reg_death): Always record a
10702 conflict with a pseudo register even if it has been
10703 assigned to a hard register.
10704 (dump_conflicts): Don't list pseudo registers already assigned to
10705 a hard register as needing to be allocated, but do list their
10707 * local-alloc.c: Update comment.
10709 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10711 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10712 * configure: Rebuilt.
10714 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10716 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10718 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10719 for all targets that set -msoft-float.
10721 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10723 * toplev.c (print_switch_values): Make static to match prototype.
10725 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10727 * configure.in: If we are unable to find the "gnatbind" program,
10728 then do not configure the ada subdir.
10729 * configure: Rebuilt.
10731 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10733 * version.c: Bump for snapshot.
10735 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10737 * version.c: Bump for snapshot.
10739 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10741 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10742 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10744 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10746 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10748 * genextract.c: Have insn-extract.c include toplev.h.
10750 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10752 * toplev.c: Include expr.h.
10753 (really_sorry, fancy_abort): Remove prototypes.
10754 (set_target_switch): Add argument in prototype.
10755 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10756 (v_really_sorry): Likewise.
10757 (print_version, print_single_switch, print_switch_values): Make
10758 static and add prototype arguments.
10759 (decl_printable_name): Add prototype arguments.
10760 (lang_expand_expr_t): New typedef.
10761 (lang_expand_expr): Declare as a lang_expand_expr_t.
10762 (incomplete_decl_finalize_hook): Add prototype argument.
10763 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10764 (botch): Likewise for variable `s'.
10765 (rest_of_type_compilation): Mark variables `type' and `toplev'
10766 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10767 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10768 (display_help): Make variable `i' an `unsigned long'.
10769 (main): Remove unused parameter `envp'.
10770 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10771 Cast -1 when comparing it with a `size_t'.
10773 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10774 prototype with ATTRIBUTE_NORETURN.
10775 (fatal_insn_not_found, fatal_insn, really_sorry,
10776 push_float_handler, pop_float_handler): Add prototypes.
10777 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10778 (do_abort, botch): Add prototypes.
10780 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10782 * final.c (final): If a label is reached only from a single jump,
10783 call NOTICE_UPDATE_CC on the jump and its predecessor before
10784 emitting the insn after the label.
10786 * i386.h: Add AMD K6 support.
10787 Change TARGET_* macros to use table lookup.
10788 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10789 (ADJUST_COST): Change definition to call function in i386.c.
10790 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10791 * i386.c: Add AMD K6 support.
10792 Add constants for feature tests used by TARGET_* macros.
10793 (split_di): If before reload, call gen_lowpart and gen_highpart.
10794 (x86_adjust_cost): New function.
10795 (put_jump_code): New function.
10796 (print_operand): New codes 'D' and 'd'.
10797 * i386.md: New insn types. New insn attribute "memory".
10798 Redefine scheduling parameters to use new types and add AMD K6
10799 support. Explicitly set type of most insns.
10800 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10801 Pro and K6 prefer movl $1,reg to incl reg.
10802 (adddi3, subdi3): Set cc_status.
10803 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10804 to int; x86 can't have more than 2^31 DImode shifts per file.
10805 (setcc): Combine all setcc patterns. Allow writing memory.
10806 Combine all jump patterns using match_operator.
10807 (*bzero): Name pattern. Emit mutliple stos instructions when that
10808 is faster than rep stos.
10809 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10812 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10814 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10817 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10819 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10820 not whatever we're generating now.
10822 * alpha.c (set_frame_related_p, FRP): New.
10823 (alpha_expand_prologue): Mark frame related insns.
10824 (alpha_expand_epilogue): Likewise, but with a null FRP.
10825 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10826 * alpha.md (exception_receiver): New.
10827 * alpha/crtbegin.asm (.eh_frame): New beginning.
10828 (__do_frame_setup, __do_frame_takedown): New.
10829 * alpha/crtend.asm (.eh_frame): New ending.
10830 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10831 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10832 (ASM_FILE_START): Don't emit .file for dwarf2.
10834 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10835 * rtl.c (reg_note_name): Likewise.
10836 * rtl.texi (REG_NOTES): Likewise.
10837 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10840 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10842 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10843 * i386.md (movsf, movdf, movxf): Validate memory address returned
10844 from force_const_mem. Kill useless REG_EQUAL setting code.
10846 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10848 * m68k.md (zero_extendsidi2): Fix typo.
10850 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10852 * configure.in: Removed references to the removed file
10853 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10854 * arm*-*-netbsd* and ns32k-*-netbsd*.
10855 * config/i386/xm-netbsd.h: Removed unnecessary file.
10856 * config/m68k/xm-netbsd.h: Likewise.
10857 * config/sparc/xm-netbsd.h: Likewise.
10858 * config/mips/xm-netbsd.h: Likewise.
10860 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10862 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10863 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10865 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10866 for exact section attributions.
10868 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10870 * i386/crtdll.h (CPP_PREDEFINES): Define.
10872 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10874 * m68k.md (5200 movqi): Do not allow byte sized memory references
10875 using address regs.
10876 * m68k.c (output_move_qimode): Do not use byte sized operations on
10879 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10880 explicit rules for building. Similarly for alloca, vfprintf,
10881 choose-temp and mkstemp, getopt, getopt1, and obstack.
10882 (INCLUDES): Add $(srcdir)/../include.
10883 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10884 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10886 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10888 * gcc.c (do_spec_1): [case 'o'] Account for
10889 lang_specific_extra_outfiles.
10890 (main): Correctly clear all slots in outfiles for
10891 lang_specific_extra_outfiles. Set input_file_number before
10892 calling lang_specific_pre_link.
10894 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10896 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10898 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10900 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10902 (sparc_output_deferred_case_vectors): If no work to do, return.
10903 Fix thinko in Sept 1 change.
10905 1998-09-03 SL Baur <steve@altair.xemacs.org>
10907 * Makefile.in: add semicolon in BISON definition for portability.
10909 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10911 * config/nextstep.c (handle_pragma): Correct name of third
10914 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10916 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10917 * config/m32r/m32r.h: Make register 17 be fixed.
10918 * config/m32r/m32r.c: Use SImode for cc operations.
10920 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10922 * invoke.texi (Warning Options): Add -Wnon-template-friend
10925 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10927 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10929 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
10931 * rs6000.md (movsf): Disable explicit secondary-reload-like
10932 functionality if TARGET_POWERPC64.
10933 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10936 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10938 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10939 and term.h from fixinc.wrap.
10941 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10943 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10944 safe to include both string.h and strings.h together.
10945 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10946 which headers to search for function declarations. Continue to
10947 prefer string.h over strings.h when both are not acceptable.
10949 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10951 * configure.in: Call GCC_HEADER_STRING.
10953 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10954 to include. Continue to prefer string.h over strings.h when both
10955 are not acceptable.
10957 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10959 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10960 not assume top 32-bits of symbolic addresses are zero if
10963 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10965 * ginclude/va-alpha.h: Protect entire second portion of the
10966 file against double inclusion.
10968 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10970 Added support for the Boehm's garbage collector.
10971 * configure.in: Handle --enable-objc-gc.
10972 * configure: Rebuilt.
10973 * Makefile.in (CHECK_TARGETS): Add check-objc.
10974 (check-objc): New rule.
10975 * objc/Make-lang.in: Build a different Objective-C library that
10976 runs with the Boehm's collector.
10977 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10978 * objc/encoding.c: Correctly compute the size of compound types in
10979 the presence of bitfields. Skip the variable name of the type if
10980 any. Added support for long long.
10981 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10982 (_F_GCINVISIBLE): New mask.
10983 * objc/gc.c: New file. Compute the type memory mask associated with
10984 a class based on the runtime information.
10985 * objc/misc.c: Added the hooks that use the Boehm's collector
10986 allocation functions.
10987 * objc/objc-act.c (build_class_template): Generate a new class
10988 member (gc_object_type) to hold the class' type memory mask.
10989 (build_shared_structure_initializer): Initialize the new member to
10991 (encode_complete_bitfield): New function. Generate the new
10993 (encode_field_decl): Generate the new encoding only for the GNU
10995 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10997 (class_get_gc_object_type): New function to mark a pointer instance
10998 variable as a weak pointer.
10999 * objc/objc-features.texi: New file.
11000 * objc/objc.h (gc_object_type): New class member.
11001 * objc/objects.c (class_create_instance): Create a typed memory
11002 object when compiled with Boehm's collector support.
11003 * objc/sendmsg.c (__objc_init_install_dtable): Call
11004 __objc_send_initialize instead of setting the initialize flag.
11005 (__objc_send_initialize): Call __objc_generate_gc_type_description
11006 to generate the class type memory mask. Rewrite the code that
11007 sends the +initialize so that it is called only once (bug report
11008 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
11009 * testsuite/objc: New testsuite for Objective-C type encoding.
11010 * testsuite/lib/objc-torture.exp: New file.
11011 * testsuite/lib/objc.exp: New file.
11013 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
11015 * jump.c (jump_optimize): In if/then/else transformations, add
11016 another call to modified_between_p for the jump insn.
11018 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
11020 * fix-header.c (symlink): Treat like readlink.
11022 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11024 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
11027 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
11029 * config/nextstep.h: Update HANDLE_PRAGMA macro.
11030 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
11031 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
11033 * config/nextstep.c (handle_pragma): Take three arguments, as per
11034 the new HANDLE_PRAGMA macro specification.
11035 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
11036 per the new HANDLE_PRAGMA macro specification.
11037 * config/i960/i960.c (process_pragma): Take three arguments, as
11038 per the new HANDLE_PRAGMA macro specification.
11040 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
11042 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
11043 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
11044 if unknown pragmas are encountered.
11045 (handle_sysv_pragma): Interpret return code from
11046 handle_pragma_token (). Return success/failure indication rather
11047 than next unprocessed character.
11048 (pragma_getc): New function: retrieves characters from the
11049 input stream. Defined when HANDLE_PRAGMA is enabled.
11050 (pragma_ungetc): New function: replaces characters back into the
11051 input stream. Defined when HANDLE_PRAGMA is enabled.
11053 * c-pragma.c (handle_pragma_token): Return success/failure status
11056 * c-pragma.h: Change prototype of handle_pragma_token().
11058 * varasm.c: (handle_pragma_weak): Only create this function if
11059 HANDLE_PRAGMA_WEAK is defined.
11061 * c-common,c (decl_attributes): If defined call the expression
11062 contained within the INSERT_ATTRIBUTES macro before adding
11063 attributes to a decl.
11065 * tm.texi (HANDLE_PRAGMA): Document the new verion of
11066 HANDLE_PRAGMA, which takes three arguments.
11067 (INSERT_ATTRIBUTES): Document this new macro.
11069 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
11070 new INSERT_ATTRIBUTES macro.
11072 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11074 * config/sparc/sparc.md (movdf): Only generate special RTL for
11075 LABEL_REFs when PIC.
11076 (move_label_di): Remove
11077 (movdi_pic_label_ref, movdi_high_pic_label_ref,
11078 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
11079 references when PIC.
11080 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
11081 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
11082 output an .xword for all 64-bit cases.
11084 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11086 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
11087 alignment, use FUNCTION_BOUNDARY instead.
11088 (sparc_output_deferred_case_vectors): Likewise.
11090 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11092 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
11093 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
11095 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
11097 * alpha/va_list.h: New file.
11098 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
11100 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
11102 * NEWS: Add SCO Openserver and Unixware 7 notes.
11106 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
11108 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
11109 (record_constant_1): Handle RANGE_EXPR.
11111 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
11113 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
11114 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
11115 and NOTE_INSN_RANGE_END specially.
11116 (reemit_notes): Likewise.
11118 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11120 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
11121 (ultrasparc_sched_init): Remove unneeded &.
11123 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11125 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
11126 for m68020-60, to prevent the use of fintrz.
11128 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
11130 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
11132 * Makefile.in: Likewise.
11133 * configure: Regenerated.
11135 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
11137 * configure.in (gxx_include_dir): Changed to
11138 '${prefix}/include/g++'-${libstdcxx_interface}.
11139 * configure: Rebuilt.
11141 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
11143 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
11145 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
11146 *sequences* *below* which scalar moves will be used.
11148 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
11150 * collect2.c (mktemp): Delete unused declaration.
11152 * config/xm-netbsd.h: Remove unnecessary file.
11153 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
11154 file anymore, it is not needed.
11156 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11158 * convert.c (convert_to_integer): Issue an error on conversions to
11161 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11163 * Makefile.in: Add lang_tree_files and gencheck.h.
11164 * configure.in: Generate them.
11165 * gencheck.c: Include gencheck.h.
11167 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11169 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11170 movdi_lo_sum_pic and movdi_high_pic and make visible.
11171 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11172 emit these when Pmode is not SImode.
11173 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11175 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11177 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11178 .linkonce directive after the first time.
11180 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11182 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11183 the clobbered operand overlaps with an input.
11184 (bne0_di): Similarly.
11186 * Makefile.in (INSTALL): Remove "--no-header" argument.
11188 * NEWS: Various updates.
11190 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11192 * config/sparc/sparc.c (arith_operand, const64_operand,
11193 const64_high_operand, arith_double_4096_operand): Mark mode as
11195 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11197 (sparc_emit_set_const64): Remove unused variable i.
11198 (sparc_splitdi_legitimate): Likewise for addr_part.
11199 (ultra_code_from_mask): Likewise for mask.
11200 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11201 reverse return values so it matches usage and comments.
11202 (ultra_flush_pipeline): Likewise.
11203 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11204 this_type, and allow loads and stores of differing FP modes as
11205 they do not create a conflict.
11206 (ultra_find_type): Initialize fpmode to SFmode, fix
11207 parenthesization thinkos in large conditional.
11208 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11209 Init free_slot_mask after ultra_cur_hist is reset, not before.
11210 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11211 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11212 use ultra_flush_pipeline instead, then re-init group pointer.
11213 Fix statement with no effect. If no progress made in, and no
11214 instructions scheduled at all, advance to new pipeline cycle else
11215 we get into an endless loop.
11216 (ultrasparc_adjust_cost): Remove previous arg.
11217 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11219 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11221 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11222 code. Use reg_overlap_mentioned_p to detect when source and
11223 destination overlap.
11224 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11226 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11228 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11229 COMPARISON_VAL, into invariant_p.
11231 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11233 * regmove.c (regclass_compatible_p): New function.
11234 (regmove_optimize): Use it.
11236 Use NREGS parameter insted of calling max_reg_num.
11238 (fixup_match_1): Don't use code = MINUS when later tieing with
11239 a hard register is likely.
11241 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11243 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11244 COMPARISON_VAL was normalized.
11246 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11248 * loop.c (check_dbra_loop): The loop ending comparison value
11249 must be an invariant or we can not reverse the loop.
11251 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11252 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11254 (load_mems_and_recount_loop_regs_set): Likewise.
11256 * i386.c (print_operand): Remove obsolete 'c' docs.
11258 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11260 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11261 * frame.c (init_object_mutex): New function.
11262 (init_object_mutex_once): Likewise.
11263 (find_fde): Call it.
11264 (__register_frame_info): Likewise.
11265 (__register_frame_info_table): Likewise.
11266 (__deregister_frame_info): Likewise.
11268 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11270 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11272 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11274 * loop.c (check_dbra_loop): Enable code for reversal
11275 of some loops without a known constant loop end.
11277 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11279 * haifa-sched.c (last_clock_var): New.
11280 (schedule_block): Initialize it.
11281 (schedule_insn): Use it to fill insn modes with issue information.
11283 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11284 Tag trapb and next insn with TImode.
11285 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11286 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11287 Invoke alphaev5_align_insns as appropriate.
11288 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11289 (MD_SCHED_VARIABLE_ISSUE): New.
11290 * alpha.md (attr type): Add multi.
11291 (define_asm_attributes): New.
11292 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11293 (arg_home): Likewise.
11294 (fnop, unop, realign): New.
11296 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11298 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11299 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11301 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11302 (rs6000-ibm-aix4.[12]*): Likewise.
11303 * configure: Regnerate.
11305 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11307 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11308 already contains the return address.
11310 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11312 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11313 word sized hunks when loading unaligned args into registers.
11315 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11316 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11318 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11320 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11322 * loop.c (check_dbra_loop): Add some code that would allow reversal
11323 of some loops without a known constant loop end if it were enabled.
11325 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11327 * mips.md (lshrsi3_internal2+2): Fix type-o.
11329 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11331 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11332 correctly with regards to stdio.h.
11334 * calls.c: Remove stdarg.h/varargs.h.
11335 * cccp.c: Likewise.
11336 * cexp.y: Likewise.
11337 * combine.c: Likewise.
11338 * cpperror.c: Likewise.
11339 * cpplib.c: Likewise.
11340 * cpplib.h: Likewise.
11341 * doprint.c: Likewise.
11342 * emit-rtl.c: Likewise.
11343 * final.c: Likewise.
11344 * fix-header.c: Likewise.
11346 * genattr.c: Likewise.
11347 * genattrtab.c: Likewise.
11348 * gencodes.c: Likewise.
11349 * genconfig.c: Likewise.
11350 * genemit.c: Likewise.
11351 * genextract.c: Likewise.
11352 * genflags.c: Likewise.
11353 * genopinit.c: Likewise.
11354 * genoutput.c: Likewise.
11355 * genpeep.c: Likewise.
11356 * genrecog.c: Likewise.
11357 * mips-tfile.c: Likewise.
11358 * prefix.c: Likewise.
11359 * protoize.c: Likewise.
11360 * regmove.c: Likewise.
11361 * toplev.c: Likewise.
11362 * tree.c: Likewise.
11364 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11366 * config/sparc/sparc.c (sparc_override_options): If not
11367 TARGET_FPU, turn off TARGET_VIS.
11368 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11369 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11370 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11371 (movdi_insn_sp64): Add VIS fzero alternative.
11372 (clear_sf, clear_df): New VIS patterns.
11373 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11375 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11377 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11379 * loop.c (n_times_set, n_times_used, may_not_optimize,
11380 reg_single_usage): Convert to varrays. All uses changed.
11381 (insert_loop_mem): Return a value.
11382 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11383 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11386 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11389 * configure.in: Do not set thread_file to "irix" since no such
11390 support exists yet.
11392 * sparc.md (float abs/neg splits): Check reload_completed before
11393 calling alter_subreg.
11395 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11397 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11399 * config/sparc/sparc.h: Declare it.
11400 * config/sparc/sparc.md (float abs/neg splits): Use it.
11401 (all other splits): Handle SUBREGs properly where necessary.
11402 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11404 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11406 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11407 an insn on the unfilled_slots_list that has no delay slots.
11408 (fill_eager_delay_slots): Similarly.
11410 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11412 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11413 as an ordinary operand.
11415 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11417 * tree.c (valid_machine_attribute): Don't apply attributes to both
11420 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11422 * reload.c (operands_match_p): Handle rtvecs.
11424 * i386.c (legitimate_pic_address_disp_p): New.
11425 (legitimate_address_p): Use it.
11426 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11427 Handle constant pool symbols just like statics.
11428 (emit_pic_move): Use Pmode not SImode for clarity.
11429 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11430 [UNSPEC]: New, handling what we killed above.
11431 [PLUS]: Detect and abort on invalid symbol arithmetic.
11432 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11434 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11436 * alias.c: Include output.h.
11437 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11438 different if we're in a varargs function.
11439 * Makefile.in (alias.o): Depend on output.h
11441 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11443 * sh.h (GIV_SORT_CRITERION): Delete.
11445 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11447 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11448 * stupid.c (stupid_life_analysis): Ditto.
11449 * reload1.c (reload): Ditto.
11451 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11453 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11454 arith_double_4096_operand, arith_double_add_operand): New
11456 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11457 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11458 them to transform add/sub 4096 into add/sub -4096.
11460 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11462 * loop.c (scan_loop): Allocate some slop to handle pseudos
11463 generated by move_movables.
11464 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11467 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11469 * tree.def (DECL_RESULT): Correct documentation.
11471 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11473 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11474 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11475 conflicts will all RELOAD_FOR_OUTPUT reloads.
11477 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11478 loads the function result, substitute with a USE.
11480 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11482 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11483 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11484 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11485 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11486 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11487 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11489 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11490 'o' to 'm' for GPR variant constraints.
11492 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11494 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11496 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11498 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11499 when the source and destination overlap.
11501 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11502 clash with global type.
11504 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11506 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11508 * c-common.c (combine_strings): Also set TREE_READONLY.
11509 Change warn_write_strings to flag_const_strings.
11510 * c-decl.c, c-tree.h: Likewise.
11512 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11514 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11515 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11516 sequence, use SET/IOR instead so CSE can see it.
11517 * config/sparc/sparc.md (movhi_const64_special,
11518 movsi_const64_special): New patterns necessitated by that change.
11519 (movhi_high): Remove.
11520 (movhi_lo_sum): Change to match an IOR.
11521 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11522 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11523 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11524 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11525 registers are involved.
11526 (snesi_zero_extend split): Remove reload_completed test.
11527 (unnamed plus and minus zero_extend sidi splits): Add it.
11529 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11531 * extend.texi: Remove description of extension to explicit
11532 instantiation that is now endorsed by standard C++.
11534 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11536 * config/arc/arc.c (arc_initialize_pic): Remove.
11537 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11538 nothing on any platform and is invoked by no-one, it does not even
11539 appear in the documentation.
11540 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11541 * config/sparc/sparc.c (initialize_pic): Likewise.
11542 (find_addr_reg): Remove this as well, no longer referenced after
11545 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11547 * recog.c (validate_replace_rtx_group): New function.
11548 * recog.h (validate_replace_rtx_group): Declare it.
11549 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11550 the entire group of substitutions.
11552 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11554 * loop.c (load_mems): Fix initializers.
11556 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11558 * config/sparc/sparc.md (TFmode splits): Handle destination
11559 registers being referenced in the address correctly.
11561 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11562 TREE_UNSIGNED, when bitsize of type's mode is larger than
11563 HOST_BITS_PER_WIDE_INT.
11565 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11567 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11568 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11569 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11571 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11574 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11576 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11577 * h8300.h (TINY_DATA_NAME_P): Likewise.
11578 (STRIP_NAME_ENCODING): Handle '&'.
11580 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11581 register (it could be accessed via an outer SUBREG).
11582 (REG_OK_FOR_BASE_P): Likewwise.
11583 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11585 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11588 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11590 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11592 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11593 must be offsettable so the splits can be made.
11595 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11597 * config/i386/winnt.c: Include system.h, not stdio.h to get
11598 sys/param.h pulled in before rtl.h in case the system defines MIN
11601 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11603 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11605 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11607 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11609 * cpplib.c (cpp_define): Handle macros with parameters.
11611 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
11613 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11614 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11615 and DImode 64-bit. Use llong for minimal-toc SFmode and
11616 SYMBOL_REF / LABEL_REF 64-bit.
11617 (output_function_profiler): Use llong for profiler label and ld to
11618 load 64-bit label address.
11620 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11622 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11625 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11627 * version.c: Bump for snapshot.
11629 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11631 * version.c: Bump for snapshot.
11633 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11635 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11637 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11639 * tm.texi (Misc): Fix typo "teh".
11641 * tm.texi (PIC): Fix typo "PPIC".
11643 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11644 effect when -O2 and higher.
11645 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11647 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11649 * regclass.c: Changed register set documentation to be consistent
11650 with GCC behaviour.
11652 * final.c (final_start_function) Removed redundant test for
11655 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11657 * rtl.h (rtx_function): New type.
11658 (for_each_rtx): New function.
11659 * rtlanal.c (for_each_rtx): Define it.
11661 * recog.c (change_t): New type.
11662 (change_objects, change_old_codes, change_locs, change_olds):
11664 (changes): New variable.
11665 (validate_change): Dynamically allocate room for more changes, if
11666 necessary. Uses changes array instead of change_objects, etc.
11667 (apply_change_group): Use changes array instead of
11668 change_objects, etc.
11670 * loop.c (loop_mem_info): New type.
11671 (loop_mems): New variable.
11672 (loop_mems_idx): Likewise.
11673 (looop_mems_allocated): Likewise.
11674 (scan_loop): Remove nregs parameter.
11675 (next_insn_in_loop): New function.
11676 (load_mems_and_recount_loop_regs_set): Likewise.
11677 (load_mems): Likewise.
11678 (insert_loop_mem): Likewise.
11679 (replace_loop_mem): Likewise.
11680 (replace_label): Likewise.
11681 (INSN_IN_RANGE_P): New macro.
11682 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11683 (scan_loop): Remove nregs parameter, compute it after any new
11684 registers are created by load_mems. Use INSN_IN_RANGE_P and
11685 next_insn_in_loop rather than expanding them inline. Call
11686 load_mems to load memory into pseudos, if appropriate.
11687 (prescan_loop): Figure out whether or not there are jumps from the
11688 loop to targets other than the label immediately following the
11689 loop. Call insert_loop_mem to notice all the MEMs used in the
11690 loop, if it could be safe to pull MEMs into REGs for the duration
11692 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11694 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11696 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11698 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11700 * config/sparc/sparc.c (finalize_pic): Check for the correct
11701 nonlocal_goto_receiver UNSPEC number.
11702 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11703 making note of this dependency existing in sparc.c
11704 (negtf2_notv9 split): Give NEG SFmode.
11705 (negsf2): Fix insn output string.
11707 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11709 * c-common.c (decl_attributes): Issue an error if the argument
11710 to alias is not a string.
11712 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11714 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11715 pending memory flush list.
11717 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11719 (try_combine): Allow combining insns with REG_LIBCALL notes.
11721 * expr.c (emit_block_move): Do not call memcpy as a libcall
11722 instead build up a CALL_EXPR and call it like any other
11724 (clear_storage): Similarly for memset.
11726 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11729 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11732 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11733 and REG_LIVE_LENGTH as successful substitutions are made.
11735 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11737 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11738 statement after end of loop label.
11740 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11742 * config/sparc/sparc.c (ultra_types_avail): New variable.
11743 (ultra_build_types_avail): New function to record mask of insn
11744 types in ready list at this cycle.
11745 (ultrasparc_sched_reorder): Call it.
11746 (ultra_find_type): Use it to quicken the search. Also simplif
11747 dependency check, don't use rtx_equal_p because we know exactly
11748 what we are looking for.
11750 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11752 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11753 for architecture v4.
11755 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11757 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11759 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11760 movdf_const_intreg and helper splits): New patterns to move float
11761 constants into integer registers.
11762 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11765 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11768 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11770 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11772 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11773 a BASE_REGS register is needed as an intermediate when copying
11774 a symbolic value into any register class other than BASE_REGS.
11776 * expr.c (move_by_pieces): No longer static. Remove prototype.
11777 * rtl.h (move_by_pieces): Add extern prototype.
11778 * mips.c (expand_block_move): Handle aligned straight line copy by
11779 calling move_by_pieces.
11781 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11784 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11786 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11787 jumps out of the loop to be treated as part of the exit test.
11789 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11790 Jeff Law <law@cygnus.com>
11792 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11793 * cplus-dem.c: Delete.
11795 * Makefile.in (fold-const.o): depend on $(RTL_H).
11797 * fold-const.c: Include rtl.h to get the prototype for
11798 `set_identifier_local_value'.
11800 * loop.c (express_from_1): Remove unused variable `tmp'.
11801 (combine_givs): cast the first argument of bzero to char *.
11803 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11805 * c-decl.c (init_decl_processing): Remove unneeded &.
11807 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11809 * except.c (set_exception_lang_code, set_exception_version_code):
11810 Change parameter from `short' to `int' to avoid using a gcc
11813 * except.h (set_exception_lang_code, set_exception_version_code):
11814 Likewise for prototypes.
11816 * flow.c (count_reg_references): Remove unused variables `regno'
11819 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11821 * prefix.c (translate_name): Cast the result of `alloca'.
11823 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11825 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11827 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11828 Include "toplev.h".
11829 (valid_dbcc_comparison_p): Mark mode argument as unused.
11830 (symbolic_operand): Likewise.
11831 (legitimize_pic_address): Likewise.
11832 (const_uint32_operand): Likewise.
11833 (const_sint32_operand): Likewise.
11834 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11835 schedule_insns and comment out rest of file.
11837 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11839 (output_move_[hq]imode): Likewise.
11841 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11843 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11844 * invoke.texi: Corresponding changes.
11846 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11848 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11850 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11852 * config/sparc/sparc.c (ultra_code_from_mask,
11853 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11854 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11855 ultrasparc_sched_init, ultrasparc_variable_issue,
11856 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11857 functions to describe UltraSPARC pipeline exactly to Haifa.
11858 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11859 as there is nothing the scheduler can do about it. Indicate that
11860 REG_DEP_OUTPUT's collide. Fixup formatting.
11861 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11862 divide costs on Ultra for DImode.
11863 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11865 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11866 ieuN and add call_no_delay_slot to type list.
11867 (cti function unit): New unit for branches on UltraSPARC.
11868 (subx/addx insns): Set type to misc.
11869 (sidi zero/sign extension insns on arch64): Set type to shift.
11870 (sign_extendhidi2_insn): Set type to sload.
11872 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
11874 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11875 (output_epilog): Use if != 0 for offset.
11876 (rs6000_fatal_bad_address): Prepare for Intl.
11877 * rs6000.h (rs6000_fatal_bad_address): Declare.
11878 * rs6000.md (movsfcc, movdfcc): Use else if.
11879 (elf_high): Use {liu|lis}.
11880 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11881 (movsi): Use rs6000_fatal_bad_address.
11883 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11885 * reload.c (find_equiv_reg): Reject equivalences separated
11886 by a volatile instruction.
11888 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11890 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11892 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11894 * alpha.md (movsicc): Fix mode mismatch.
11896 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11898 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11900 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11902 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11904 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11905 write-only modifier from operand 1 constraint.
11907 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11909 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11910 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11912 (sparc_emit_set_const64): Likewise, also when computing trailing
11913 bits do not negate low_bits and make fast_int an int.
11915 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11917 * loop.c (add_label_notes): Do not ignore references to labels
11918 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11919 * gcse.c (add_label_notes): Similarly.
11921 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11923 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11924 (adddi_dishl32): Similarly.
11926 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11928 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11929 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11930 * cse.c (cse_basic_block): Add parens to shut up warnings.
11932 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11934 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11935 sparc_emit_set_const64_longway, const64_is_2insns,
11936 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11937 in 64-bit constant formation.
11938 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11939 rtl for addx not subx.
11940 (define_insn movdi_const64_special): Make available even when
11941 HOST_BITS_PER_WIDE_INT is not 64.
11942 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11943 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11944 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11945 instances of operand 1 inside a QI subreg.
11946 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11947 (one_cmpldi2_sp64): Fix output string.
11948 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11950 (unnamed arch64 ashift DI): Truncate shift count if greater than
11953 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11955 * expr.c (store_expr): Don't optimize away load-store pair
11956 when either source or destination have a side effect.
11958 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11960 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11961 operands of SET are incompatible.
11963 * alpha.md: Fix max and min patterns so modes of SET operands match.
11965 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11967 * configure.in: Avoid [[ by using test and changequote.
11968 * configure: Rebuild.
11970 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11972 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11974 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11975 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11976 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11977 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11978 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11979 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11980 Fix mismatching modes in SET operands.
11981 (conditional move patterns): Fix formatting.
11982 (unnamed subx arch64 pattern): Remove duplicate insn.
11984 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11986 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11987 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11988 (input_operand): Fixup test for what we accept for constant
11990 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11992 (safe_constDI): Remove.
11993 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11994 gen_safe_XOR64): New functions.
11995 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11996 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11998 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11999 available when HOST_BITS_PER_WIDE_INT is not 64.
12000 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
12001 move before movdi_insn_sp64 pattern.
12002 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
12003 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
12004 symbolic_operand as predicate for second operand.
12005 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
12006 expander): Give set VOIDmode.
12008 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
12010 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
12012 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
12014 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
12016 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
12018 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
12020 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
12022 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
12024 * install.texi: Various SCO OpenServer tweaks.
12026 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
12028 * reload1.c (eliminate_regs_in_insn): Handle another case when
12029 eliminating the frame pointer to the hard frame pointer. Add
12030 missing ep->to_rtx check to one existing case.
12032 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
12034 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
12036 * tree.h: De-conditionalize init_priority code.
12038 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
12039 * collect2.c (NM_FLAGS): Change from -p to -n.
12041 * configure.in: Turn on collect2 for mipstx39-elf.
12042 Handle use_collect2=no properly.
12044 * c-common.c: De-conditionalize init_priority code.
12045 * collect2.c (extract_init_priority, sort_ids): New fns.
12046 (main): Call sort_ids.
12047 Move sequence_number to file scope.
12049 * configure.in: Handle --enable-init-priority.
12050 * c-common.c (attrs): Add A_INIT_PRIORITY.
12051 (init_attributes, decl_attributes): Likewise.
12052 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
12053 * tree.c (get_file_function_name_long): Split out...
12054 (get_file_function_name): ...from here.
12056 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
12058 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
12061 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
12063 * toplev.c (display_help): Add braces to shut up warnings.
12064 * tree.c (simple_cst_equal): Likewise.
12066 * fold-const.c (non_lvalue): Don't deal with null pointer
12068 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12070 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
12071 of any size to a pointer.
12073 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
12075 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
12077 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
12079 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
12080 which will be saved.
12081 * mn10300.md (prologue insn): Only save registers which need saving.
12082 (epilogue insn): Similarly.
12084 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
12087 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
12089 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
12090 VAR_DECL's in gp addressable sections.
12092 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
12094 * sparc.c: Change return <exp> to <exp>; return; in functions
12096 * sparc.md: Add empty semicolon statement after final label in
12099 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12101 * config/sparc/sparc.md (define_insn addx_extend): Rename to
12102 addx_extend_sp64, only allow when TARGET_ARCH64.
12103 (define_insn addx_extend_sp32 and split): Version that works when
12105 (define_insn subx_extend): Likewise.
12106 (define_split adddi3 and subdi3 with zero extension): Fixup and
12107 correct bugs when not TARGET_ARCH64.
12109 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
12111 * except.c (set_exception_lang_code, set_exception_version_code):
12112 Use prototype-style definition if __STDC__, to match declaration
12115 * genemit.c: Change FAIL and DONE macros not to use loops.
12117 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
12119 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
12120 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
12122 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
12124 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
12126 * README.g77: Update from Craig.
12128 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12130 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
12131 type HOST_WIDE_INT.
12132 (safe_constDI sparc_emit_set_const64_quick1,
12133 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12134 analyze_64bit_constant, const64_is_2insns,
12135 create_simple_focus_bits): Fix some bugs when compiled on real
12137 (function_arg_record_value_3, function_arg_record_value_2,
12138 function_arg_record_value): Add fully prototyped forward decls.
12139 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
12140 to cmpsi_insn and use on both 64 and 32 bit targets.
12141 (define_insn cmpsi_insn_sp64): Remove.
12142 (define_expand zero_extendsidi2): Allow for 32-bit target too.
12143 (define_insn zero_extendsidi2_insn): Rename to
12144 zero_extendsidi2_insn_sp64.
12145 (define_insn zero_extendsidi2_insn_sp32): New pattern and
12146 assosciated forced split for it.
12148 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12150 * config/sparc/sparc.h: Declare them.
12151 (PREDICATE_CODES): Add them.
12152 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
12153 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
12155 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12157 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12158 in v9 case as the latter makes the Solaris assembler crash.
12160 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12162 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12163 for TFmode when !v9. We require offsettable memory addresses.
12164 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12165 DFmode register number conversions.
12166 * config/sparc/sparc.md (define_split DFmode moves): If register
12167 is a SUBREG do alter_subreg on it before using.
12168 (define_expand movtf): Fixup comment about alignment on v9.
12169 (define_split TFmode moves): Don't use gen_{high,low}part, create
12170 explicit SUBREGs instead.
12172 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12174 * Makefile.in (mbchar.o): Depend on mbchar.c.
12176 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12177 Richard Henderson <rth@cygnus.com>
12179 Rewrite Sparc backend for better code generation and
12180 improved sparc64 support.
12181 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12183 * config/sparc/sysv4.h: Likewise.
12184 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12185 move_operand, v8plus_regcmp_op, emit_move_sequence,
12186 singlemove_string, doublemove_string, mem_aligned_8,
12187 output_move_double, output_move_quad, output_fp_move_double,
12188 move_quad_direction, output_fp_move_quad, output_scc_insn):
12190 (small_int_or_double): New predicate.
12191 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12192 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12193 old pic_{sethi,lo_sum}_si patterns.
12194 (mem_min_alignment): New generic function to replace
12195 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12196 available and can test for arbitrary alignments. All callers
12198 (save_regs, restore_regs, build_big_number,
12199 output_function_prologue, output_cbranch, output_return,
12200 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12201 sparc_flat_output_function_epilogue): Prettify
12203 (output_function_epilogue): Likewise and add code to output
12204 deferred case vectors.
12205 (output_v9branch): Likewise, add new arg INSN and use it to tack
12206 on branch prediction settings. All callers changed.
12207 (print_operand): Likewise and output %l44 for LO_SUMs when
12209 (sparc_splitdi_legitimate): New function to make sure DImode
12210 splits can be run properly when !arch64.
12211 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12212 Reformat example code in comments.
12213 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12214 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12215 of deferred case vectors we need to output.
12216 (sparc_defer_case_vector): Record a case vector.
12217 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12218 sparc_output_deferred_case_vectors): New functions to output them.
12219 (sparc_emit_set_const32): New function to form 32-bit constants in
12220 registers when that requires more than one instruction.
12221 (safe_constDI, sparc_emit_set_const64_quick1,
12222 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12223 analyze_64bit_constant, const64_is_2insns,
12224 create_simple_focus_bits, sparc_emit_set_const64): New functions
12225 which do the same for 64-bit constants when arch64.
12226 (sparc_emit_set_symbolic_const64): New function to emit address
12227 loading for all code models on v9.
12228 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12229 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12230 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12231 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12232 inaccuracies in comments, add symbolic and text_segment operands
12233 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12234 GENERAL_REGS in these cases as a temp REG is needed to load these
12235 addresses into a register properly.
12236 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12238 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12239 quads are guarenteed to have 16-byte alignment.
12240 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12241 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12242 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12243 deferred case vector implementation.
12244 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12245 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12246 Generate "internal label - label" instead of "label - 1b".
12247 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12248 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12249 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12251 (doublemove_string, output_block_move, output_fp_move_double,
12252 output_fp_move_quad, output_move_double, output_move_quad,
12253 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12254 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12255 (sparc_emit_set_const32, sparc_emit_set_const64,
12256 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12257 mem_min_alignment, small_int_or_double): Add externs.
12258 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12259 UNSPEC_VOLATILE in this backend.
12260 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12261 unary to types which execute in it.
12262 (define_function_unit ieu_shift): Rename to ieu0.
12263 (define_function_unit ieu1): New, executes compare, call, and
12264 uncond_branch type insns.
12265 (define_function_units for type fdivs, fdivd, fsqrt): These
12266 execute in the fpu multiply unit not the adder on UltraSparc.
12267 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12268 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12269 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12270 allows the arith_double_operand predicate and rHI constraint when
12272 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12273 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12274 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12275 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12276 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12277 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12278 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12279 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12280 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12281 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12282 sign_extendqihi2_insn, sign_extendqisi2_insn,
12283 sign_extendqidi2_insn, sign_extendhidi2_insn,
12284 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12285 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12286 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12287 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12288 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12289 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12290 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12291 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12292 smulsi3_highpart_v8plus, unnamed subreg mult,
12293 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12294 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12295 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12296 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12297 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12298 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12299 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12300 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12301 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12302 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12303 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12304 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12305 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12306 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12307 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12308 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12309 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12310 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12311 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12312 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12313 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12314 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12315 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12316 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12317 call_address_untyped_struct_value_sp32,
12318 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12319 call_value_symbolic_sp32, call_value_address_sp64,
12320 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12321 flush_register_windows, goto_handler_and_restore,
12322 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12323 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12324 return_addsi, return_di, return_adddi, return_sf, all call+jump
12325 peepholes, trap, unnamed trap insns): Prettify output strings.
12326 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12327 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12328 Likewise and force + implement splits for integer cases.
12329 (define_insn return_sf_no_fpu): Likewise and allow to match when
12330 no-fpu because of our subreg SFmode splits.
12331 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12332 zero_extendqidi2_insn, zero_extendhidi2_insn,
12333 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12334 input_operand for second operand.
12335 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12336 reg_or_0_operand for operand 2 so new splits can use it.
12337 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12338 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12340 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12341 CONST_DOUBLEs for operand 2.
12342 (define_insn move_label_di): Likewise and label distance
12343 optimization because it no longer works with new deferred case
12344 vector scheme. To be revisited.
12345 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12346 and allow reg_or_0_operand and J constraint for second operand.
12347 (define_insn jump): Set branch predict taken on V9.
12348 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12349 new deferred case vector scheme.
12350 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12351 (define_insn negdi2_sp32): Force + implement splits.
12352 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12353 one_cmplsi2_not_liveg0 respectively, and create expander of original
12354 names which emit special rtl for TARGET_LIVE_G0.
12355 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12356 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12357 gen_compare_reg, FAIL instead.
12358 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12359 values when trying to reverse condition codes, if they FAIL then
12361 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12362 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12363 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12364 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12365 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12366 set output string to # to indicate they are mandatory splits.
12367 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12368 pic_sethi_di, move_pic_label_si): Remove.
12369 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12370 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12372 (define_expand movsi_pic_label_ref, define_insn
12373 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12374 expander and insns to handle PIC label references and deferred
12376 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12378 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12379 Rewrite to not use emit_move_sequence, make use of new constant
12380 formation code, and new splits for all multi-insn cases.
12381 (define_insn movqi_insn): Remove sethi case, it can never happen.
12382 Use reg_or_zero_operand instead of const0_rtx explicit test,
12383 use input_operand instead of move_operand for source, and use
12384 general_operand now for dest.
12385 (define_insn movhi_insn): Similar but leave sethi case.
12386 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12387 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12388 movhi_lo_sum respectively, prettify output string.
12389 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12390 register when needed on TARGET_LIVE_G0.
12391 (define_insn movsi_insn): Use general_operand and input_operand
12392 for dest and src respectively. Simplify applicability test.
12393 Prettify output strings, and add clr alternative for J
12395 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12396 deprecated std and reg-reg DI moves): Remove and...
12397 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12398 implementation which uses forced splits for all non-single insn
12400 (define_split DI move cases on !arch64): New splits to handle all
12401 situations of 64-bit double register DImode on 32bit, and
12402 unaligned registers and memory addresses for all subtargets.
12403 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12405 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12406 input_operand for dest and src respectively, prettify output
12408 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12409 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12411 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12412 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12413 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12414 movtf_no_e_insn_sp64) Replace with new
12415 implementation which uses forced splits for all non-single insn
12417 (define_split DF move cases): New splits in similar vein to DI
12419 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12420 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12421 movdi_sp64_insn): Remove old v9 code model and constant loading
12422 support insns and..
12423 (define_insn pic_lo_sum_di, pic_sethi_di,
12424 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12425 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12426 embmedany_sethi, embmedany_losum, embmedany_brsum,
12427 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12428 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12429 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12430 scheme, using unspecs, secondary reloads, and one to one sparc
12431 insn to rtl insn mapping for better scheduling and code gen.
12432 (define_expand reload_indi, reload_outdi): Reload helpers for
12433 MEDANY and EMBMEDANY symbol address loading cases which require a
12434 temporary register.
12435 (define_expand movsicc): Remove v8plus_regcmp cases.
12436 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12437 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12438 cmp_diqi_trunc_set): New patterns used by some of the new scc
12440 (define_insn xordi3_sp64_dbl): New pattern used for constant
12441 formation when crossing from 32-bit targets.
12442 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12444 (define_insn addx, subx): Make visible and prettify.
12445 (define_insn adddi3_insn_sp32): Likewise and force split.
12446 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12447 64bit scc split usage.
12448 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12449 zero_extend, subdi3): Force and implement splits.
12451 * final.c (final_scan_insn): Don't output labels if target
12452 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12455 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12456 don't forget to walk inside SEQUENCESs too as these are what the
12457 delay slot scheduler will create.
12459 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12461 * alpha.md (extxl+1,+2): New patterns to work around
12464 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12466 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12467 caused bad assembly code to be generated.
12469 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12471 * netbsd.h: Fix typo.
12473 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12475 * config.sub: Fix typo.
12477 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12479 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12481 (Running Protoize): Typo: Change "ther" into "other".
12483 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12485 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12486 * m68k/netbsd.h: Likewise.
12487 * ns32k/netbsd.h: Likewise.
12488 * sparc/netbsd.h: Likewise.
12490 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12492 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12493 * ginclude/va-clipper.h (va_list): Likewise.
12495 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12497 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12498 load/store multiple instructions unless user overrides.
12500 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12502 * ns32k/netbsd.h: Fix typo.
12504 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12506 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12507 labels with .debugsym if no parallel insns.
12509 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12511 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12512 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12514 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12516 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12517 (AR_FOR_TARGET): Define.
12519 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12521 * dyn-string.h: New file.
12522 * dyn-string.c: Likewise.
12523 * Makefile.in (OBJS): Add dyn-string.o.
12524 (dwarf2out.o): Add dyn-string.h dependency.
12525 (dyn-string.o): List dependencies.
12526 * dwarf2out.c: Include dyn-string.h.
12527 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12528 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12529 prototype. Use dyn_string_append rather than strcat, throughout.
12530 (addr_to_string): Use dyn_string_t.
12532 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12534 Function entry/exit profiling instrumentation:
12535 * expr.h (profile_function_entry_libfunc,
12536 profile_function_exit_libfunc): Declare new variables.
12537 * optabs.c: Define them here.
12538 (init_optabs): Initialize them.
12539 * tree.h (struct tree_decl): New flag
12540 no_instrument_function_entry_exit.
12541 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12542 * c-decl.c (duplicate_decls): Merge it.
12543 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12544 (init_attributes): Use it for "no_instrument_function".
12545 (decl_attributes): Handle it, for functions that have not yet been
12546 compiled. Set decl flag.
12547 * flags.h (flag_instrument_function_entry_exit): Declare new
12549 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12550 (f_options): New option "instrument-functions".
12551 * function.h (struct function): New field instrument_entry_exit.
12552 * function.c (current_function_instrument_entry_exit): New
12554 (push_function_context_to, pop_function_context_from): Save and
12556 (expand_function_start): Set current_ variable, maybe emit return
12557 label and entry profile call.
12558 (expand_function_end): Maybe emit exit profile call.
12560 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12562 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12563 NON_QI_REG_P, pretend the register is SImode.
12565 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12567 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12568 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12569 manufacturer id for ns32k.
12570 * configure: Regenerated.
12571 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12572 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12573 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12574 * config/m68k/netbsd.h: Same.
12575 * config/ns32k/netbsd.h: Same.
12576 * config/sparc/netbsd.h: Same.
12578 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12580 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12581 or UNROLL_COMPLETELY loop that starts with a jump to its
12584 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12586 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12587 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12588 (print_operand, case 'B'): Don't fall through.
12589 (print_operand, case 'S'): Correct mask begin/end computation.
12590 Use HOST_BITS_PER_WIDE_INT.
12591 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12592 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12593 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12594 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12596 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12598 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12599 constraint from second alternative.
12601 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12603 * configure.in: Fix --without/--disable cases for local-prefix,
12604 gxx-include-dir and checking.
12606 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12608 * configure.in (enable_haifa): Set by default for sparc64 too.
12609 configure: Rebuilt.
12611 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12613 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12614 * i386/winnt.c (associated_type): New fn.
12615 (i386_pe_valid_type_attribute_p): New fn.
12616 (i386_pe_check_vtable_importexport): Remove.
12617 (i386_pe_dllexport_p): Use associated_type.
12618 (i386_pe_dllimport_p): Likewise.
12620 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12621 * i386.c (i386_valid_type_attribute_p): Also accept
12622 attributes for METHOD_TYPEs.
12624 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12626 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12628 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12630 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12632 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12633 them from generating a new base name for each occurence of
12636 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12638 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12640 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12644 * cplus-dem.c (type_kind_t): New type.
12645 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12646 on this paramter, rather than demangling the type again.
12647 (demangle_integral_value): Pass tk_integral.
12648 (demangle_template_: Pass the value returned from do_type.
12649 (do_type): Return a type_kind_t. Pass tk_integral to
12650 demangle_template_value_parm for array bounds.
12651 (demangle_fund_type): Likewise.
12653 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12655 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12658 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12660 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12662 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12664 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12666 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12669 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12671 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12672 (DEBUGGER_ARG_OFFSET): Likewise.
12674 * mn10300.md (movsf): Remove last change. Not needed.
12676 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12678 * c-lex.c (yylex): Fix boundary conditions in character literal and
12679 string literal loops.
12681 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12683 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12684 being invoked incorrectly.
12686 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12687 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12689 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12690 * configure.in: Added i[34567]86-*-win32
12691 * config.sub: Ditto.
12692 * configure: Rebuilt.
12694 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12696 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12697 the frame pointer and compiling PIC code and reload has not completed.
12699 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12702 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12704 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12706 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12708 * Makefile.in (install-info): Only try to update the info
12709 directory file if it exists in the first place.
12711 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12713 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12715 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12717 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12718 CONST_DOUBLE source.
12720 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12722 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12723 strings as the insertion of USER_LABEL_PREFIX.
12724 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12726 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12729 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12731 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12732 already defined type.
12734 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12736 * expr.c (check_max_integer_computation_mode): Allow conversions
12737 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12738 (expand_expr): Likewise.
12740 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12742 * expr.c (expand_expr): Expand RETURN_EXPR.
12744 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12746 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12748 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12750 * dwarf2out.c (output_aranges): Call stripattributes
12751 for TEXT_SECTION references.
12752 (output_line_info): Likewise.
12754 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12756 * profile.c (branch_prob): Call allocate_reg_info after outputting
12757 profile rtl in instrument_arcs.
12759 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12761 * fixinc.irix (math.h): Install wrapper instead of copying.
12763 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12765 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12766 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12767 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12768 lang_flag_0. Added documentation in the flag table.
12770 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12772 * cccp.c (do_include): Fix vax c style include handling.
12774 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12776 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12778 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12780 * fold-const.c (non_lvalue): Don't deal with null pointer
12782 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12784 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
12786 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12787 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12788 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12789 (u_short_cint_operand): Same.
12790 (reg_or_cint_operand): Same.
12791 (logical_operand): Same.
12792 (input_operand): Same.
12793 (reg_or_short_operand): Use u_short_cint_operand.
12795 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12797 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12798 but keep the insns and splits. Adjust so when the ultimate destination
12799 is memory, use cvtql.
12801 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12803 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12805 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12807 * gcc.c (do_spec): Call "error" not "warning".
12809 * configure.in: Fix minor problems with gas feature detection code.
12810 * configure: Rebuilt.
12812 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12814 * Undo this change.
12815 * gcc.c: Delete %[spec] support.
12816 (do_spec_1, case '('): Likewise.
12817 (do_spec_1, case '['): Call error.
12819 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12821 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12822 (CPP_SUBTARGET_SPEC): Default to empty string.
12823 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12824 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12825 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12826 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12828 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12829 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12830 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12831 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12832 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12833 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12834 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12835 * alpha/vxworks.h: Likewise.
12837 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12839 * mips.md (reload_outsi): Added missing REGNO call.
12840 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12842 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12843 another match_operator and compare the codes.
12845 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12847 * MIPS multiply pattern fixes:
12848 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12849 Add union classes for HI, LO, or HILO plus general registers.
12850 (GENERATE_MADD): Deleted.
12851 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12852 Add TARGET_MAD to condition.
12853 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12854 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12855 "*d" for accumulator, to give preference to LO initially but not
12858 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12860 * configure.in (enable_c_mbchar): New configure option.
12861 (extra_cpp_objs): Always available now.
12863 * cexp.y (mbchar.h): #include it.
12864 (yylex): Handle Multibyte characters in character literals.
12866 * cccp.c (mbchar.h): #include it.
12867 (main): Set character set based on LANG environment variable.
12868 (rescan): Handle multibyte characters in comments.
12869 (skip_if_group): See above.
12870 (validate_else): See above.
12871 (skip_to_end_of_comment): See above.
12872 (macarg1): See above.
12873 (discard_comments): See above.
12874 (rescan): Handle multibyte characters in string and character literals.
12875 (collect_expansion): See above.
12876 (skip_quoted_string): See above.
12877 (macroexpand): See above.
12878 (macarg1): See above.
12879 (discard_comments): See above.
12880 (change_newlines): See above.
12882 * c-lex.c (mbchar.h): #include it.
12883 (GET_ENVIRONMENT): New macro.
12884 (init_lex): Set character set based on LANG environment variable.
12885 (yylex): Handle multibyte characters in character literals.
12886 (yylex): Handle multibyte characters in string literals.
12888 * Makefile.in (mbchar.o): New target.
12889 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12890 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12892 * mbchar.[ch]: New files for multibyte character handling.
12894 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12896 * jump.c (jump_optimize): When simplifying noop moves and
12897 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12898 the PUSHes to rewrite in second loop as we did in the first.
12900 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12902 * cplus-dem.c (demangle_nested_args): Make function definition
12903 static to match the prototype.
12905 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12907 * alloca.c: Respect USE_C_ALLOCA.
12908 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12909 * gengenrtl.c (xmalloc): Likewise.
12911 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12913 * loop.h (struct induction): Add no_const_addval.
12914 * loop.c (the_movables, reg_address_cost): New variables.
12915 (init_loop): Init reg_address_cost.
12916 (loop_optimize): Call end_alias_analysis.
12917 (scan_loop): Init the_movables.
12918 (record_giv): Init induction->no_const_addval.
12919 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12920 [REG]: Rearrange loop search test to catch more cases.
12921 (general_induction_var): Return success not benefit; take an extra
12922 argument for that. Change all callers.
12923 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12924 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12925 [default]: Search the_movables for additional combinations.
12926 (sge_plus_constant, sge_plus): New functions.
12927 (express_from_1): New function.
12928 (express_from): Always define. Rewrite using express_from_1.
12929 (combine_givs_p): Handle more cases. Ignore address cost.
12930 (cmp_combine_givs_stats): New function.
12931 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12932 (combine_givs): Rewrite to do best-fit combination.
12934 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12935 (fold): Do a complete (A*C)+(B*C) association check.
12937 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12939 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12941 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12943 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12945 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12947 * tree.c (valid_machine_attribute): Only create a new type variant if
12948 there is a decl to use it.
12950 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12952 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12955 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12957 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12960 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12962 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12963 Simplify tests for clearing an address register.
12964 (expand_prologue): Corresponding changes.
12966 * mn10300.md (movXX patterns): Make sure the destination is an
12967 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12968 (logical patterns): Split into expanders + patterns
12969 (zero and sign extension patterns): Similarly.
12970 (shift patterns): Similarly.
12972 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12974 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12975 for the sequence, recording base values.
12977 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12979 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12981 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12983 * gcc.c: Remove ANSI-C ism from --help code.
12985 * toplev.c: Support --help with USE_CPPLIB.
12987 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12989 * configure.in: Rework gas feature code to work with symlink based
12992 * extend.texi: Clarify some issues related to local variables
12993 assigned to explicit registers.
12995 * mn10300.md (mulsi): Turn into expander + pattern.
12997 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
13000 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
13002 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
13004 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
13006 * version.c: Bump again to distinguish mainline tree from the
13009 See ChangeLog.0 for earlier changes.
13012 add-log-time-format: current-time-string