1 Sun Mar 21 01:15:03 PST 1999 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * sparc.h (TARGET_SWITCHES): Add null description to default case.
9 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11 * c-lex.c (yylex): Remove unused variable `bytes'.
13 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
15 * function.c (assign_parms): Wrap variable `varargs_setup' in
16 macro SETUP_INCOMING_VARARGS.
17 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
20 * local-alloc.c (no_equiv): Likewise for parameter `store'.
22 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
24 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
25 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
26 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
27 file_pop, tlink_init, tlink_execute, frob_extension,
28 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
29 maybe_tweak, recompile_files, read_repo_files,
30 demangle_new_symbols, scan_linker_output): Add static prototype.
32 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
33 Make the third argument a `hash_table_key'.
35 * toplev.c (debug_start_source_file): Mark parameter `filename'
36 with ATTRIBUTE_UNUSED.
38 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
40 * tm.texi (Varargs): Don't split argument of @item across lines.
42 * invoke.texi: Fix use of @item vs @itemx.
44 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
46 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
49 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
51 * loop.c (check_dbra_loop): Fix debug message.
53 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
55 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
56 pattern instead of decrement_and_branch_until_zero pattern.
58 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
60 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
61 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
63 Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
65 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
67 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
69 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
71 * cppfiles.c (read_and_prescan): Likewise.
72 Start a #define in column 0.
74 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
75 (cpp_push_buffer): Likewise for cpp_buffer*.
76 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
77 (do_endif): Cast to char* when assigning to one.
78 (do_assert): Likewise.
79 (do_unassert): Likewise.
80 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
81 Don't do unnecessary cast to char* anymore.
83 * genrecog.c (make_insn_sequence): Cast to char** when assigning
84 to one. Cast the first argument of bzero to PTR.
86 * loop.c (strength_reduce): Remove unused variable `note'.
88 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
91 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
93 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
95 * calls.c (initialize_argument_information): Mark parameters
96 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
98 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
100 (dbxout_finish): Likewise for parameters `file' and `filename'.
101 (dbxout_prepare_symbol): Likewise for parameter `decl'.
102 (dbxout_begin_function): Likewise.
104 * explow.c (hard_function_value): Likewise for parameter `func'.
106 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
108 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
109 * expr.c (expand_expr): Likewise.
110 * expr.h (expand_abs): Delete unused argument from prototype.
111 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
113 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
114 (sdbout_end_block): Likewise for parameter `n'.
116 * toplev.c (debug_define): Likewise for parameters `lineno' and
118 (debug_undef): Likewise.
120 * varasm.c (named_section): Likewise for parameter 'reloc'.
121 (assemble_external): Likewise for parameter `decl'.
122 (assemble_alias): Likewise for parameter `target'.
124 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
126 * toplev.c (read_integral_parameter): Constify. Better control of
128 (main): Use read_integral_parameter to set optimize, id_clash_len,
129 larger_than_size, and the debugging level.
130 * toplev.h (read_integral_parameter): Update prototype.
132 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
134 * system.h: Use putc_unlocked, fputc_unlocked, and
135 fputs_unlocked only if putc_unlocked has a prototype already.
136 Prototype fputs_unlocked if necessary.
137 * configure.in: Check for prototypes of putc_unlocked and
139 * acconfig.h: Updated.
140 * config.in, configure: Rebuilt.
142 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
144 * Makefile.in (INTL_TARGETS): new macro
145 ($(INTL_TARGETS)): depend on generated sources; drop dependencies
146 on cp/parse.c and objc/objc-parse.c
147 ($(srcdir)/cp/parse.c): move to cp/Make-lang.in
148 * objc/Make-lang.in ($(INTL_TARGETS)): depend on objc/objc-parse.c
150 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
152 * i860.h (TARGET_SWITCHES): Add documentation.
153 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
154 * i370.h (TARGET_SWITCHES): Add documentation.
155 * fx80.h (TARGET_SWITCHES): Add documentation.
156 * elxsi.h (TARGET_SWITCHES): Add documentation.
157 * clipper.h (TARGET_SWITCHES): Add documentation.
158 * 1750a.h (TARGET_SWITCHES): Add documentation.
159 * pa.h (TARGET_SWITCHES): Add documentation.
160 (TARGET_OPTIONS): Likewise.
161 * mn10300.h (TARGET_SWITCHES): Add documentation.
162 * h8300.h (TARGET_SWITCHES): Add documentation.
164 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
166 * loop.c (strength_reduce): Do not perform pseudo replacements
167 if the loop contains volatile memory references.
169 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
171 * reload.c (find_reloads_toplev): When processing X recursively,
172 don't alter it destructively except by filling in constants.
174 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * cccp.c (default_include): Initialize structure memebers.
177 (pass_thru_directive): Change the type of 'keyword_length' to int.
178 (main): Cast `bindtextdomain' and `textdomain' to (void).
180 * collect2.c (main): Likewise.
182 * cppmain.c (main): Likewise.
184 * gcc.c (main): Likewise.
186 * gcov.c (main): Likewise.
188 * protoize.c (main): Likewise.
190 * toplev.c (main): Likewise.
192 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
194 * config/mips/mips.c (mips_explicit_type_size_string): Correct
197 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
199 * configure.in: Use "exit 1", not "exit (1)".
200 * configure: Rebuilt.
202 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
204 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
205 `/include' in order to find the system's limits.h.
207 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
209 * fixinc/fixincl.c: Include auto-host.h instead of config.h
210 * fixinc/procopen.c: Likewise.
211 * fixinc/regex.c: Likewise.
212 * fixinc/server.c: Likewise.
214 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
216 * config/i386/go32.h: Delete.
217 * config/i386/djgpp.h: New. Renamed from go32.h.
218 Added -DDJGPP=2 to CPP_PREDEFINES.
219 * config/i386/go32-rtems.h: Delete.
220 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
221 Added -DDJGPP=2 to CPP_PREDEFINES.
222 * config/i386/xm-go32.h: Delete.
223 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
224 * config/i386/x-go32: Delete.
225 * config/i386/x-djgpp: New. Renamed from x-go32.
226 * config/i386/t-go32: Delete.
227 * config/i386/t-djgpp: New. Renamed from t-go32.
228 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
229 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
230 Set xmake_file to i386/x-djgpp.
231 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
232 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
234 * configure: Rebuilt.
236 * gcc.c (process_command): Dump link_command_spec too.
238 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
239 Jeff Law <law@cygnus.com>
241 * pa.md: Add real PA8000 scheduling information.
243 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
244 (ISSUE_RATE): Revamp, including PA8000 support.
245 * pa.c (override_options): Add 8000 as -mschedule= option.
246 Do not call strcmp if pa_cpu_string is null.
247 * pa.md (attr cpu): Add 8000.
248 * invoke.texi: Add documentation for PA8000 scheduling.
250 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
252 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
254 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
255 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
257 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
259 * flow.c (compute_immediate_dominators): New function.
260 * basic-block.h (compute_immediate_dominators): Declare it.
262 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
264 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
266 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
268 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
270 * config/arm/arm.md: Fix various compile time warnings.
271 * config/arm/arm.h: Fix various compile time warnings. Add
273 * config/arm/arm.c: Fix various compile time warnings.
274 (arm_override_options): Reorganise to seperate tuning from
276 (bit_count): New function: Return a count of the number of bits
279 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
281 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
282 things that were eliminated.
284 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
286 * function.c (fixup_var_refs_1): First try moving the expression
287 directly into a register. Don't separate cc0 setter and user.
289 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
291 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
293 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
295 * c-lex.c: Don't include setjmp.h.
296 (parse_float): New static function.
297 (pf_args): New struct.
298 (yylex): Use them in call to `do_float_handler'.
300 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
302 * cexp.y (yyerror): Call verror to get a usefull error message.
305 * .gdbinit: Move command to put breakpoint at abort to end of file
306 so that gdb does not bail out early.
308 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
310 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
312 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
314 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
316 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
318 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
319 Delete emit_library_call_value declaration.
321 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
323 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
324 (which cannot otherwise appear in the processed buffer) and
325 move it out of tokens that it appears in the middle of.
327 (find_position): New function.
329 * cpplib.c: \r (one character) indicates backslash
330 newline, not \\\n (two characters). It cannot appear in the
331 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
332 parsing moves past \n or \r. Increment pfile->lineno whenever
333 a \n is placed into token_buffer. Only one mark can exist at
334 a time, and CPP_BUMP_LINE must not be used while it is
335 active. It is automatically cleared by cpp_pop_buffer and
336 parse_goto_mark. \r is not in is_hor_space or is_space.
338 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
339 update_position, count_newlines, parse_move_mark): Removed.
340 (parse_string, copy_comment): New functions.
341 (parse_name): Returns void.
342 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
343 one argument, a cpp_reader *. Change for new marking scheme.
344 (skip_comment): Handle CHILL line comments too. Second
345 argument is now first character of comment marker; all callers
346 changed. Issue error for unterminated block comment here.
347 (cpp_skip_hspace): Recognize CHILL comments.
348 (copy_rest_of_line): Likewise. Call skip_comment and
349 parse_string directly, don't go through cpp_get_token. Emit
350 "/**/" for block comments if -traditional (create_definition
352 (do_define): Don't play with put_out_comments.
353 (cpp_push_buffer): Initialize ->mark to -1.
354 (cpp_buf_line_and_col): Just read out the values in the buffer
356 (output_line_command): Use cpp_buf_line_and_col. Fix
357 formatting. Remove stale code.
358 (cpp_get_token): Break out string parsing code to
359 parse_string. Use skip_comment for CHILL comments too. Use
360 copy_comment for put_out_comments instead of dinking with
361 marks. Remove stale code. Don't call output_line_command
362 unless it's necessary.
364 * cpplib.h (parse_marker): Removed.
365 (struct cpp_buffer): line_base is now a unsigned char *; add
366 `mark' [long], remove `marks' [struct parse_marker *].
367 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
369 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
370 * cppinit.c (is_hor_space, is_space): '\r' is not considered
372 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
374 * cpphash.c (macarg): Disable line commands while expanding.
376 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
378 * c-lex.c (yylex) : Remove warning for integer literals being
379 larger than the largest target int. Add warning for integer
380 literal being larger than than its choosen type.
382 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
384 * invoke.texi: Add -mlong32 documentation.
385 * config/mips/mips.h (mips_explicit_type_size_string): New.
386 (TARGET_SWITCHES): Add 'long32'.
387 (TARGET_OPTIONS): Add 'explicit-type-size'.
388 (CC1_SPECS): Set -mexplicit-type-size.
389 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
390 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
391 * config/mips/mips.c (mips_explicit_type_size_string): New.
392 (override_options): Use it.
393 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
395 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
396 Pointer size now depends on both size longs and size of GP
399 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
401 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
402 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
403 * config/mips/mips.c (override_options): Allow -mlong64 and
404 -mint64 with -mips2 or less.
405 * config/mips/mips.h (MASK_LONG64): Fix comment.
406 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
407 (Pmode): Make Pmode the smaller of longs or gp registers.
408 * invoke.texi: Note the new size for pointers.
410 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
412 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
413 bit-pattern directly.
414 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
415 * rs6000.c (first_reg_to_save): If profiling and context needed,
416 allocate a reg to save static chain for all ABIs. For AIX
417 profiling, calculate parameter registers to save based on need.
418 (output_function_profiler): Save and restore static chain around
419 profile call for all ABIs.
421 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
423 * cppinit.c: Instead of one pending list, keep separate lists
424 for each category of pending option: -D/-U, -A, -include,
425 -imacros. Move the four partial include-path lists into the
426 pending block. Use head and tail pointers so we don't ever
427 have to reverse the lists.
429 (cpp_start_read): Break out blocks of code to their own
430 functions: install_predefs and initialize_dependency_output.
431 Use path_include for C_INCLUDE_PATH and friends as well as
432 CPATH. Remove include_defaults gunk. Warn about the
433 combination of -lang-chill and -trigraphs. Optimize string
434 bashing. Walk each pending list once, deallocating as we go.
436 (append_include_chain): Brought over from cppfiles.c. Mark
437 dirs as system include dirs if and only if appending to
438 system include path. If opts->verbose, print a notice when a
439 dir is dropped from the include path because it doesn't
440 exist. Fix memory leak: this function is not supposed to copy
443 (nreverse_pending, push_pending): Removed.
444 (APPEND): New macro for adding to pending lists.
445 (path_include): Can now add to any partial include path.
446 (base_name): Bring over from cccp.c.
447 (cpp_options_init): Allocate the pending block.
448 (cpp_handle_option): Add --version. Exit after --help. Fix
449 formatting. Order -ifoo options by frequency of usage.
450 (install_predefs): New function, simplified version of code
451 that was in cpp_start_read.
452 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
454 * cppfiles.c (simplify_pathname): Export.
455 (merge_include_chains): Don't nreverse the lists. If
456 opts->verbose, print a notice when a duplicate dir is detected
457 and dropped from the include path.
458 (finclude): Fix excessive cleverness in setting
460 (actual_directory): Set x->sysp from
461 CPP_BUFFER (pfile)->system_header_p so that one system header
462 may include another with "".
463 (deps_output): Fix double adjustment of deps_size which would
464 cause all dependencies after the first two lines to be lost.
466 * cpplib.c (cpp_unassert): New function.
467 * cpplib.h: Lay out struct cpp_pending here. Adjust
468 prototypes. Add include_prefix_len to struct cpp_options.
470 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
472 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
473 from HI/LO/HILO/MD into general registers the same as for one
474 of moving general registers to HI/LO/HILO/MD.
476 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
478 * config/m32r/m32r.c (init_idents): New function. Initialise
479 static tree nodes for m32r specific attribute identifiers. Remove
480 leading and trailing double underscores from the attribute names.
481 (m32r_valid_machine_decl_attribute): Call init_idents.
482 (m32r_encode_section_info): Call init_idents.
484 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
486 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
487 LABEL_REF for something else.
489 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * fold-const.c (exact_real_inverse): Move variable `float_error'
492 into the scope where it is used.
493 (const_binop_1): New static function.
494 (cb_args): New struct.
495 (const_binop): Use them in call to `do_float_handler'.
496 (fold_convert_1): New static function.
497 (fc_args): New struct.
498 (fold_convert): Use them in call to `do_float_handler'.
500 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
502 * rtlanal.c (auto_inc_p): New function.
503 * rtl.h (auto_inc_p): Prototype it.
504 * reload1.c (add_auto_inc_notes): New function.
505 (reload): Strip REG_INC notes and call add_auto_inc_notes
506 for each insn to restore them correctly.
508 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
510 * fixinc/Makefile.in (procopen.o): List the actual
513 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
515 * cse.c (check_fold_consts): New static function.
516 (cfc_args): New struct.
517 (simplify_relational_operation): Use them in call to
520 * toplev.c (do_float_handler): New function to wrap calls to
521 setjmp/set_float_handler.
523 * toplev.h (do_float_handler): Add extern prototype.
525 * tree.c (build_real_from_int_cst_1): New static function.
526 (brfic_args): New struct.
527 (build_real_from_int_cst): Use them in call to
530 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
532 * version.c: Bump for snapshot.
534 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
536 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
538 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
540 * arm.c (arm_split_constant): Don't try to force a constant to
541 memory after arm_reorg has run.
542 (after_arm_reorg): New static variable.
544 (output_func_epilogue): Clear it.
546 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
548 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
549 * configure: Rebuilt.
551 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
553 * unroll.c (loop_iterations): Don't return a final value for EQ
556 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
558 * reload1.c (calculate_needs_all_insns): When ignore equivalence
559 setting insn, clear need_elim, need_reload, and need_operand_change.
561 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
563 * fixinc/fixinc.*: Some changes from the fixincl-branch
564 were not applied (??!!). Corrected.
566 * fixinc/Makefile.in: same thing.
568 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
570 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
571 MAX_INTEGER_COMPUTATION_MODE.
573 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
575 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
576 (MODES_TIEABLE_P): Update.
578 * alpha.md (ev5_e0): Conflict loads and stores.
580 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
582 * machmode.h (smallest_mode_for_size): Prototype.
583 * stor-layout.c (smallest_mode_for_size): Remove static.
585 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
587 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
588 conversion if we don't know the lifetime.
590 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
592 * reload.1c (delete_address_reloads_1): Check for reloads of
593 CURRENT_INSN even if it sets DST.
595 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
597 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
598 (print_die, size_of_die, value_format, output_die): Adjust.
600 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
602 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
603 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
604 text_section_laabel, debug_line_section_label,
605 debug_info_section_label, abbrev_section_label): New.
606 (output_compilation_unit_header): Emit label associated
607 with section instead of section name itself.
608 (out_pubnames, output_aranges, output_line_info,
609 dwarf2out_finish): Likewise.
610 (dwarf2out_init): Build internal label names for sections
613 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
615 * sh.md (mulsi3): End mul.l sequence with a no-op move.
617 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
619 * Makefile.in: activated fixinc/mkfixinc.sh
620 * configure.in: activated fixinc/mkfixinc.sh
622 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
624 * cppfiles.c (INO_T_EQ): Handle UWIN.
626 * c-common.c (decl_attributes): Flag unrecognized attribute
627 functions as warnings instead of as errors.
629 Support for i386-pc-uwin.
630 * i386/uwin.h: New file.
631 * i386/xm-uwin.h: New file.
632 * i386/t-uwin: New file.
633 * i386/uwin.asm: New file.
634 * configure.in (i[3456]86-*-uwin*): Define.
635 Add Workaround for vfork bug when hosted on uwin.
636 * configure: Regenerate.
638 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
639 (absolute_filename): UWIN uses POSIX pathnames only.
640 * libgcc2.c (getpagesize): Do not define for UWIN.
641 (mprotect): Likewise.
642 * protoize.c (dirent.h): Conditionally include.
643 (fputc): Prototype only if it's not a macro.
645 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
647 * configure.in: Remove init_priority stuff.
649 1999-03-11 Colin Smith <colin@wrs.com>
651 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
653 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
655 * gcc.texi: Update bug reporting instructions to match
656 current ezmlm list reality.
658 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
660 * gcc.c (print_file_name, print_prog_name, spec_machine,
661 read_specs, set_spec, lookup_compiler, build_search_list,
662 putenv_from_prefixes, find_a_file, record_temp_file,
663 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
664 is_directory, validate_switches, used_arg, default_arg,
665 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
666 notice, add_preprocessor_option, add_assembler_option,
667 add_linker_option, process_command, execute,
668 unused_prefix_warnings, clear_args, fatal_error,
669 lang_specific_driver, user_specs, compiler, link_command_spec,
670 option_map, translate_options, make_temp_file, temp_name,
671 programname, path_prefix, machine_suffix, just_machine_suffix,
672 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
673 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
674 standard_startfile_prefix, standard_startfile_prefix_1,
675 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
676 multilib_dir, temp_filename, temp_file, command, switchstr,
677 infile, outfiles, input_filename, input_basename, input_suffix,
678 check_live_switch, main): Qualify a char* with the `const' keyword.
680 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
683 * Makefile.in (OBJS): Add lcm.o
684 (lcm.o): Add dependencies.
686 * gcse.c (compute_pre_local_properties): Delete.
687 (compute_pre_data): Use compute_local_properties instead of
688 compute_pre_local_properties.
690 * gcse.c: More comments, whitespace and similar fixes.
691 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
692 (dump_pre_data, compute_cprop_local_properties): Likewise.
693 (one_classic_gcse_pass): Lose unused argument. All callers changed.
694 (compute_hash_table, compute_expr_hash_table): Likewise.
695 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
696 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
697 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
698 Lose unused argument.
699 (gcse_main): Always run a cprop pass after finishing global cse.
700 (compute_local_properties): New function.
701 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
702 (compute_cprop_data): Use compute_local_properties.
704 * gcse.c: Update various comments.
705 (current_function_calls_longjmp): Delete declaration.
707 * gcse.c (run_jump_opt_after_gcse): New variable.
708 (gcse_main): Returns an integer.
709 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
710 (try_replace_reg): Update some comments.
711 (cprop_insn): Allow propagation into some JUMP_INSNs too.
712 * rtl.h (gcse_main): Update prototype.
713 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
714 then run a jump optimization pass.
715 * jump.c (delete_barrier_successors): Delete nop jumps too.
717 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
719 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
720 for FP arithmetic. Changed caller.
721 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
723 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
725 * reload1.c (choose_reload_regs): When inheriting from the frame
726 pointer, don't clobber it.
728 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
730 * fixinc/fixinc.*: Resync-ed with the files in this
733 * fixinc/mkfixinc.sh: the machine case elements were
734 out-of-order. (the ix86-*-linux-gnu* entry needed to
737 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
739 * reload1.c (reload_combine_note_store): Fix calculation of number
740 of affected registers.
742 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
744 * flow.c (tidy_fallthru_edge): Be more careful finding the last
745 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
747 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
749 * i386.md (ashlsi3 splitter): Fix typo in last change.
751 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
753 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
754 instead of an explicit test for RETURN.
756 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
760 * toplev.c: Include basic-block.h.
762 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
764 * calls.c (load_register_parameters): New function.
765 (expand_call): Use it.
767 * calls.c (expand_call): Slightly reorganize code.
769 * calls.c (compute_argument_addresses): New function.
770 (rtx_for_function_call): New function.
771 (expand_call): Use them.
773 * i386.md (zero_extendhisi2): Split into an expander and anonymous
774 pattern. Add new anonymous pattern for use when optimizing for
775 size or for the PPro.
776 (zero_extendqihi2, zero_extendqisi2): Likewise.
778 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
780 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
781 dependancies to sets in the non-hard-reg case too.
783 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
785 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
787 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
789 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
790 for which CLASS_LIKELY_SPILLED_P is true.
792 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
793 have a REG or SUBREG.
795 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
797 * i386.md (ashlsi3): Revise comments. Provide new anonymous
798 pattern for Pentium and PPro/PII. Reverse constraints in
799 generic ashlsi3 anonymous pattern.
801 * calls.c (initialize_argument_info): Accept a pointer to
803 (expand_call): Pass the address of CUMULATIVE_ARGS.
805 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
807 * mn10300.h (CASE_DROPS_THROUGH): Delete.
808 * mn10200.h (CASE_DROPS_THROUGH): Delete.
809 * h8300.h (CASE_DROPS_THROUGH): Delete.
811 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
812 to also delete the cc0 setter when deleting a conditional branch
815 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
817 * regmove.c (copy_src_to_dest): New argument max_old_uid.
819 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
821 * ChangeLog: merged entries from fixincl-branch
823 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
825 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
826 (print_exp): Special case addition of a constant.
827 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
829 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
831 * haifa-sched.c (reg_last_clobbers): New.
832 (reg_pending_clobbers, bb_reg_last_clobbers): New.
833 (compute_block_backward_dependences): Allocate memory for them.
834 (schedule_region): Likewise.
835 (sched_analyze_1): Clobbers don't interfere with one another.
836 They do interfere with sets ...
837 (sched_analyze_2): ... and uses.
838 (sched_analyze): Likewise.
839 (sched_analyze_insn): Update reg_last_clobbers appropriately.
841 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
844 include system header files.
846 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
847 (_mcleanup): Add the `const' keyword to a char*.
848 (internal_mcount): Declare `etext' as a char[] not a function.
849 Cast `etext' to char* when calling `monstartup'.
851 * sparc.c (frame_base_name, save_regs, restore_regs,
852 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
853 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
854 cpu_default, cpu_table, output_function_prologue,
855 output_function_epilogue, output_return,
856 sparc_flat_output_function_prologue, ultra_code_names,
857 sparc_flat_output_function_epilogue): Constify a char*.
858 (hypersparc_adjust_cost): Add a default case in a switch.
860 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
861 sparc_cpu_select, sparc_align_loops_string,
862 sparc_align_jumps_string, sparc_align_funcs_string,
863 output_return): Constify a char*.
865 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
866 so that we check "== 32", instead of "!= 64". Cast a value to
867 HOST_WIDE_INT when comparing against one. Hide the declaration
868 for variable `chain'.
870 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * system.h (const, inline): Move the stage2 handling of these
873 keywords-as-macros from here...
875 * gansidecl.h (const, inline): ...to here.
877 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
879 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
881 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
883 * cse.c (canon_hash): Never reject hard regs in CCmode.
885 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
887 * version.c: Bump for snapshot.
889 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
890 Richard Henderson <rth@cygnus.com>
892 * flow.c (make_edges): Handle casesi that jump to default branch.
893 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
895 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
897 * c-aux-info.c (data_type, affix_data_type, gen_decl,
898 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
899 Qualify a char* with the `const' keyword.
901 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
902 declare_function_name, decl_attributes, format_char_info,
903 check_format_info, binary_op_error): Likewise.
905 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
907 * gcse.c (dump_hash_table): Likewise.
909 * integrate.c (function_cannot_inline_p): Likewise
911 * optabs.c: Include insn-config.h earlier.
912 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
913 Qualify a char* with the `const' keyword.
915 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
916 asctoeg, mtherr, ereal_atof): Likewise.
918 * real.h (ereal_atof): Likewise.
920 * sbitmap.c (dump_sbitmap_vector): Likewise.
922 * sbitmap.h (dump_sbitmap_vector): Likewise.
924 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
926 * toplev.c (rest_of_compilation): Likewise.
928 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
930 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
932 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
933 not overwrite AIX link register save area.
935 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
937 * reload.c (find_reloads_subreg_address): Actually create the USE
938 for the register, not the new memory location.
940 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
942 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
943 with its equivalent constant, fall back to reload_in.
945 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
947 * Makefile.in: Delete .flow2 debugging files.
949 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
951 * config/arm/arm.c (arm_override_options): Change default target
952 cpu selection so that enabling TARGET_APCS_32 does not override
955 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
957 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
958 (BOOL_TYPE_SIZE): Define.
960 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
962 * function.c (assign_stack_temp_for_type): Abort
963 if mode == Blkmode and align is less than
964 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
965 (assign_stack_temp_for_type): Round the size parameter
966 passed to assign_stack_local instead of size itself.
968 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
970 * flow.c (delete_unreachable_blocks): Mark blocks as they
971 are put on to the worklist, not as they are taken off.
973 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
975 * function.c (current_function_has_computed_jump): Remove duplicate
978 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
980 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
981 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
983 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
984 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
985 (INIT_SUBTARGET_OPTABS): Define to empty.
987 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
989 * sh.c (force_into): New function.
990 (expand_block_move): Use it.
992 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
994 * cccp.c (struct default_include): Add 'included' field.
995 (main): Set 'included' field when a default include directory
996 is added to the chain. If -v is specified list all default
997 include directories which do not get appended to the chain.
999 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
1001 * configure.in (gxx_include_dir): Rename to
1002 gcc_gxx_include_dir in order to prevent it being overridden by
1003 a top level Makefile.
1004 (gcc_tooldir): If $exec_prefix != $prefix then use the
1005 difference between the two as the basis for gcc_tooldir.
1007 * configure: Rebuild.
1009 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
1011 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1013 * unroll.c (copy_loop_body): Don't make extra copies of
1014 NOTE_INSN_LOOP_CONT notes.
1016 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
1018 * tree.c (save_tree_status): Don't treat functions with no context
1021 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
1023 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
1024 tree when available.
1026 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1028 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
1029 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
1030 current_function_file): Add the `const' keyword.
1031 (normal_memory_operand): Mark parameter `mode' with
1033 (alpha_expand_unaligned_load): Add a default case to a switch.
1035 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
1036 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
1037 (normal_memory_operand): Add prototype.
1039 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
1040 comparing against one.
1042 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1044 * mips.c (abort_with_insn): Make function static, add a prototype,
1045 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
1046 (current_function_file, mips_cpu_string, mips_isa_string,
1047 mips_abi_string, mips_no_mips16_string, mips_entry_string,
1048 mips_move_1word, mips_move_2words, output_block_move, load_store,
1049 override_options, make_temp_file, mips16_fp_args): Qualify a char*
1050 with the `const' keyword.
1052 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
1053 mips_abi_string, mips_entry_string, mips_no_mips16_string,
1054 mips_move_1word, mips_move_2words, output_block_move): Likewise.
1055 (abort_with_insn): Remove extern prototype.
1057 * mips.md: Qualify a char* with the `const' keyword.
1058 Remove many unused variables named `label'.
1060 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
1062 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
1064 (install-cpp, uninstall-cpp): New targets.
1065 (install-normal): Depend on $(INSTALL_CPP).
1066 (uninstall): Depend on $(UNINSTALL_CPP).
1067 * configure.in (cpp_install_dir): New, substitute.
1068 (tmake_file): Added t-install-cpp for --enable-cpp.
1069 * configure: Rebuilt.
1070 * cpp.sh: New cpp script.
1071 * config/t-install-cpp: New target fragment.
1073 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1074 Jeffrey A Law (law@cygnus.com)
1076 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
1078 (cse_insn): Avoid creating a bogus REG_EQUAL note for
1079 (const (minus (label) (label)))
1080 (record_jump_cond): Fix mismatched paren in comment.
1082 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
1084 * final.c (end_final): There are 11 words in the "main header"
1087 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
1089 * extend.texi: Reference __extension__ in the index.
1091 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
1093 * Makefile.in (CROSS_FLOAT_H): Delete.
1094 (FLOAT_H): Use float_h_file.
1095 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
1097 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
1098 (mostlyclean): Delete gloat.h reference.
1099 (install-cross-rest, install-float-h-cross, stmp-headers): Update
1101 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
1102 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
1103 (float_h_file): Set from float_format. Substitute into Makefile.in.
1104 (float_format): No longer substitute into Makefile.in.
1105 * cross-make (FLOAT_H): Delete.
1106 * config/mips/t-cross64 (FLOAT_H): Delete.
1107 * configure: Rebuilt.
1109 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
1111 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
1112 insn to be an INSN before looking at its pattern.
1114 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
1116 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
1117 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
1118 HImode reg when TARGET_5200.
1120 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1122 From Toshiyasu Morita:
1123 * sh.h (CACHE_LOG): SH2 has cache, too.
1125 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
1127 * toplev.c (compile_file): Disable -ffunction-sections and
1128 debugging warning if the object format is elf.
1130 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1132 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
1133 when the data in 8-bit area and can not be addressed by 8-bit.
1135 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
1137 * flow.c (create_basic_block): Disregard integrated bb notes.
1139 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
1141 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
1143 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
1145 * config/i386/t-sco5gas (crti.o): New target.
1147 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
1149 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
1150 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
1151 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
1152 load_multiple, allocate_stack, call_indirect_aix32,
1153 call_indirect_aix64, call_value_indirect_aix32,
1154 call_value_indirect_aix64, call_indirect_nt,
1155 call_value_indirect_nt): Use gpc_reg_operand instead of
1158 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
1160 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
1161 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
1163 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
1164 allow andi. or andis. which always set cr0.
1166 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1168 * version.c: Bump for snapshot.
1170 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
1172 * invoke.texi: Update information for PA scheduling.
1174 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1175 Mike Stump <mrs@wrs.com>
1177 * pa.c (override_options): Change default to 7100LC
1179 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
1180 float regs before right half of float regs.
1182 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
1183 Jeffrey A Law (law@cygnus.com)
1185 * frame.h: Update some comments.
1186 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
1187 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
1188 using TARGET_WEAK_ATTRIBUTE.
1189 (__do_global_dtors_aux): Check if __deregister_frame_info is
1190 zero before calling it.
1191 (__do_global_dtors): Likewise.
1192 (frame_dummy): Check if __register_frame_info is zero before
1194 (__frame_dummy): Likewise.
1196 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1198 * SERVICE: Update from the FSF.
1200 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1202 * config/i386/t-sco5 (crti.o): New target.
1203 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1205 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1207 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1209 * md.texi (prologue,epilogue): Document named patterns.
1211 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1213 * md.texi, invoke.texi: Fix unterminated @xrefs.
1215 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1217 * genattrtab.c (simplify_knowing): Fix uninitialized read
1220 * genextract.c (main): Clear recog_operands before extracting.
1222 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1224 * c-pragma.c (add_weak); Delete. Moved into...
1225 * varasm.c (add_weak): New external function.
1226 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1227 the list of weak functions.
1228 * c-pragma (add_weak): Declare.
1230 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1232 Flow rewrite to use basic block structures and edge lists:
1234 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1235 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1236 (struct edge_def): New.
1237 (struct basic_block_def): New.
1238 (basic_block_info): New.
1239 (BLOCK_HEAD, BLOCK_END): Update.
1240 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1241 (uid_block_number): Kill.
1242 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1243 (BLOCK_NUM): Update.
1244 * flow.c (XNMALLOC): Kill.
1245 (max_uid_for_flow): Kill.
1246 (uid_block_number): Kill.
1247 (uid_volatile): Turn into a bitmap.
1248 (SET_INSN_VOLATILE): New.
1249 (basic_block_info): New.
1250 (entry_exit_blocks): New.
1251 (x_basic_block_head, x_basic_block_end): Kill.
1252 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1253 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1254 (basic_block_loop_depth): Kill.
1255 (basic_block_for_insn): New.
1256 (find_basic_blocks): Split out initial block counting into
1257 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1258 (count_basic_blocks): New.
1259 (find_basic_blocks_1): Split out edge recognition, unreachable
1261 (create_basic_block): New.
1262 (compute_bb_for_insn): New.
1264 (free_bb_memory): Kill.
1265 (add_edge, add_edge_to_label): Kill.
1266 (mark_label_ref): Kill.
1267 (make_edges): Rewrite to use edge lists.
1268 (make_edge, make_label_edge): New.
1269 (mark_critical_edges): New.
1270 (split_edge, insert_insn_on_edge): New.
1271 (commit_one_edge_insertion, commit_edge_insertions): New.
1272 (delete_unreachable_blocks): Rewrite to use edge lists.
1273 Split out EH region manipulation into delete_eh_regions.
1274 Call tidy_fallthru_edge and merge_blocks.
1275 (delete_eh_regions): New.
1276 (delete_note_p): New.
1277 (delete_insn_chain): New.
1278 (delete_block): Split out code into delete_insn_chain and
1279 tidy_fallthru_edge. Update edge lists.
1280 (expunge_block): New.
1281 (flow_delete_insn): New?
1282 (can_delete_label_p): New?
1283 (merge_blocks_nomove, merge_blocks): New.
1284 (tidy_fallthru_edge): New.
1285 (calculate_loop_depth): New.
1286 (life_analysis): Allocate and free uid_volatile.
1287 (free_basic_block_vars): Update for new structures.
1288 (record_volatile_insns): Use SET_INSN_VOLATILE.
1289 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1290 (mark_used_regs): Likewise.
1291 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1292 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1293 life propagation from EXIT_BLOCK rather than last block. Clear
1294 regs_ever_live after mark_regs_live_at_end.
1295 (allocate_for_life_analysis): Update for new structures.
1296 (propagate_block): Split out loop depth calculation to
1297 calculate_loop_depth.
1298 (regno_uninitialized): Use bb->global_live_at_start.
1299 (regno_clobbered_at_setjmp): Likewise.
1300 (dump_bb_data): Likewise.
1301 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1302 (dump_flow_info): Update for new structures.
1303 (dump_edge_info): New.
1304 (print_rtl_with_bb): Update for new structues.
1305 (compute_preds_succs): Do no work -- convert edge lists.
1306 (set_block_for_insn): From corpse of old set_block_num.
1307 (set_block_num): Call it.
1309 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1310 * rtl.h (rtunion_def): Add bb entry.
1311 (NOTE_BASIC_BLOCK): New.
1312 (NOTE_INSN_BASIC_BLOCK): New.
1314 * varray.h (varray_data_tag): Add bb entry.
1315 (VARRAY_BB_INIT, VARRAY_BB): New.
1317 * emit-rtl.c (emit_label_before): New.
1319 * except.c (expand_rethrow): Delete insns following the call to
1320 rethrow. Put the REG_EH_RETHROW on the call.
1322 * jump.c (returnjump_p, returnjump_p_1): New.
1324 * expr.h (nonlocal_goto_handler_labels): New declaration.
1325 * function.c (nonlocal_goto_handler_labels): Define it.
1326 (push_function_context_to): Save it.
1327 (pop_function_context_from): Restore it.
1328 (init_function_start): Clear it.
1329 (nonlocal_label_rtx_list): Kill.
1330 * function.h (struct function): Add storage space for it.
1331 * stmt.c (expand_nl_handler_label): Return the new label.
1332 (expand_nl_goto_receivers): Collect a list of them in
1333 nonlocal_goto_handler_labels.
1335 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1336 (flow.o): Depend on insn-flags.h.
1338 * function.c (thread_prologue_and_epilogue_insns): Do not
1339 half-heartedly update bb structures.
1341 * toplev.c: Add flow2 dump as -dw.
1342 (rest_of_compilation): Finish .greg before flow2.
1344 * graph.c (draw_edge): Handle class 3.
1345 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1346 change non-fall-thru but adjacent to green class 3. Update
1347 to use new structures.
1349 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1351 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1353 (reg_to_stack): Initialize block_num to -1.
1355 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1356 to basic_block_live_at_start to bb->global_live_at_start.
1357 (try_combine): Likewise.
1358 (reg_dead_at_p): Likewise.
1359 * global.c (global_conflicts): Likewise.
1360 Handle stack regs on all abnormal edges, not just computed jumps.
1361 (mark_elimination): Update reference to basic_block_live_at_start.
1362 (build_insn_chain): Likewise.
1363 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1364 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1365 of nonlocal_label_rtx_list.
1366 (check_live_1): Update reference to basic_block_live_at_start.
1367 (update_live_1): Likewise.
1368 (find_pre_sched_live): Likewise.
1369 (find_post_sched_live): Likewise.
1370 * local-alloc.c (update_equiv_regs): Likewise.
1371 (block_alloc): Likewise.
1372 * reload1.c (reload, reload_combine): Likewise.
1373 * regmove.c (mark_flags_life_zones): Likewise.
1374 * resource.c (mark_target_live_regs): Likewise.
1375 * sched.c (schedule_block): Likewise.
1377 * regclass.c (regset_release_memory): Don't free
1378 basic_block_live_at_start.
1380 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1382 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1384 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1385 * fixinc.svr4: Likewise.
1387 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1388 rather than asserting it.
1390 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1392 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1393 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1394 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1397 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1398 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1399 scan-decls.o): Don't depend on machmode.h.
1401 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1402 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1404 * cppfiles.c: Likewise.
1406 * cpplib.c: Likewise.
1408 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1410 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1412 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1413 * objc/lang-specs.h: Likewise.
1415 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1417 * pa.md (call patterns): Lose unused argument to output_call.
1419 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1421 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1423 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1424 first argument. All callers changed.
1426 (cpp_lookup, cpp_install): Change all refs to hashtab to
1428 (cpp_hash_cleanup): Removed.
1429 * cpphash.h: Adjust prototypes.
1430 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1431 * cppinit.c (cpp_reader_init): Also allocate space for the
1433 (cpp_cleanup): Delete all macros and free the hashtab.
1435 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1437 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1440 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1441 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1442 * calls.c (expand_call): Likewise.
1444 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1446 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1447 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1448 arguments in registers.
1449 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1450 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1453 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1455 * cse.c (dump_class): Revert last change and make the prototype
1458 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1460 * rtl.h (insn_first_p): Don't declare.
1461 * rtlanal.c (insn_first_p): Delete.
1462 * loop.c (loop_insn_first_p): Faster implementation.
1464 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1466 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1467 (TARGET_3, TARGET_6): Delete.
1468 (ARM_FLAG_ARM[36]): Delete.
1469 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1470 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1471 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1472 * arm.c (arm_override_options): Delete warnings about deprecated
1475 * arm.c (arm_finalize_pic): Build the label into the special pic
1476 adjustment insn instead of issuing it separately.
1477 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1480 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1481 (*ne_zeroextractsi): New pattern.
1483 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1485 * stmt.c (expand_end_loop): Grok code emitted by
1486 expand_exit_loop_if_false.
1488 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1490 * config/arm/arm.c (return_in_memory): Float fields in unions
1491 force a return in memory.
1492 (load_multiple_sequence): Add comment explaining why two LDR
1493 instructions can be better than an LDMIA instruction.
1495 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1496 describing the real meaning of this option.
1497 (FIXED_REGISTERS): Default r10 to not-fixed.
1498 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1499 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1501 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1502 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1503 performing other checks.
1505 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1506 (extendhisi2): Undo previous change.
1507 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1508 ignored for armv4(t) architectures.
1510 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1513 * config/arm/riscix1-1.h
1514 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1516 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1518 * cse.c (dump_class): Make the function definition static to match
1521 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1523 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1525 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1526 endian correction for parms passed in regs but living on the stack.
1528 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1530 * calls.c (initialize_argument_information): New function extracted
1532 (expand_call): Use initialize_argument_information. Remove variables
1533 which are no longer used due to cleanups.
1535 * calls.c (compute_argument_block_size): New function, extracted from
1537 (expand_calls): Use compute_argument_block_size. Delete
1538 original_args_size, use unadjusted_args_size instead.
1540 * calls.c (precompute_arguments): New function, extracted from
1542 (expand_call): Use precompute_arguments.
1544 * calls.c (finalize_must_preallocate): New function, extracted from
1546 (expand_call): Use finalize_must_preallocate.
1548 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1550 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1551 An alternative always fails if it needs a pseudo and no suitable
1552 register class can be found.
1554 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1556 * loop.h (loop_insn_first_p): Declare.
1557 * loop.c (loop_insn_first_p): No longer static.
1558 * unroll.c (iteration_info) Fix comparison to
1559 reg_iv_type->num_elements.
1560 Before accessing reg_biv_class, check index against
1561 max_reg_before_loop.
1562 Fix and enable code for giv iterators.
1563 (loop_iterations): Compare with reg_iv_type->num_elements instead
1564 of with max_reg_before_loop.
1566 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1568 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1570 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1572 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1573 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1575 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1577 * config/i386/i386.md: fix typoe.
1579 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1581 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1582 frame_pointer_needed adjust frame size.
1583 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1584 in .frame pseudo-op.
1585 Frm Jim Wilson <wilson@cygnus.com>:
1586 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1587 when TARGET_MIPS16 && frame_pointer_needed.
1589 1999-02-22 Nick Clifton <nickc@cygnus.com>
1591 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1592 Add -mno-sched command line switch to disable scheduling of
1593 instructions into the function's prologue.
1594 (enum processor_type): Remove.
1595 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1596 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1597 fields with 'processors' field.
1598 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1599 checking is not enabled.
1600 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1602 * config/arm/arm.c: (arm_cpu): Remove.
1603 (tune_flags): Remove.
1604 (arm_is_strong): New variable: true iff the target processor is a
1606 (arm_is_6_or_7): New variable: true iff the target processor is an
1608 (arm_select): Fields reorganised.
1609 (struct processors): processor_type field removed.
1610 (all_procs): Remove.
1611 (all_cores): New array: Definitions of all known ARM cpu cores.
1612 (all_architectures): New array: Definitions of all known ARM
1615 (FL_SCHED): New processor flag: processor required load
1617 (FL_STRONG): New processor flag: processor is a StrongARM.
1618 (arm_override_options): Reorganised to make code clearer.
1619 (use_return_insn): Test for "not (TARGET_APCS and
1620 frame_pointer_needed)".
1621 (arm_return_in_memory): Improve handling of structures.
1623 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1624 "is_strongarm" and "is_arm_6_or_7" attributes.
1625 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1627 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1629 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1631 1999-02-22 Philip Blundell <philb@gnu.org>
1633 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1634 definition with one including cache synchronisation.
1635 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1636 Move definition of inhibit_libc to...
1637 * config/arm/xm-linux.h: ... here.
1639 * config/arm/t-linux: Disable multilib configurations since the
1640 only effect for most people is to cause builds to fail.
1642 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1643 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1645 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1646 (HANDLE_SYSV_PRAGMA): Likewise.
1647 (LIB_SPEC): Copy definition from generic Linux files.
1648 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1649 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1650 (DWARF2_DEBUGGING_INFO): Define.
1651 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1653 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1655 * loop.c (libcall_other_regs): Make extern.
1656 * rtl.h (find_last_value): Add parameter to prototype.
1657 (libcall_other_reg): Add extern declaration.
1658 * rtlanal.c (find_last_value): Add another parameter to allow
1659 a definition using a hardware register to be found as well.
1661 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1663 * cse.c (dump_class): New function.
1664 (invalidate_memory): Fix typo in comment.
1665 * function.c (temp_slot): Add an alias set field.
1666 (assign_stack_temp): Only reuse slots if they will have the
1667 same alias set as before.
1668 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1670 * rtl.c (copy_rtx): Copy all the flags (in particular,
1673 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1675 * configure.in (i[34567]86-*-linux-gnu*,
1676 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1677 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1680 * configure: Rebuilt.
1682 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1685 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1687 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1688 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1689 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1692 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1694 * objc/objc-act.c (encode_type): Temporary revert to the old
1695 behavior of encoding types as the new one seems to break the
1696 encoding of bitfields.
1698 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1699 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1701 * Makefile.in (all.internal, all.cross): Depend on `doc'
1702 target, to ensure docs get made before installation.
1705 Decrease spurious warnings from -fsyntax-only:
1706 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1708 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1710 * c-lex.c (yylex): Replace warning about integer constants being
1711 larger than long-longs, with a warning about integer constants
1712 being larger than the largest target integer.
1714 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1716 Fix -fsyntax-only ICEs:
1717 * varasm.c (assemble_zeros, assemble_variable,
1718 output_constant_def): Do nothing when -fsyntax-only.
1720 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1722 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1723 * configure: Rebuilt.
1725 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1727 * version.c: Bump for snapshot.
1729 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1731 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1732 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1733 * tm.texi: Update docs for constructors and destructors.
1735 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1737 * genattrtab.c (check_attr_value): Allow negative const_int if
1738 negative_ok. Accept integral arithmetic operators. Accept
1739 direct references to other attributes. Accept symbol_ref in
1740 non-constant attributes.
1741 (max_attr_value): Add new argument `unknownp'. Update all callers.
1742 (or_attr_value): Likewise.
1743 (simplify_knowing): Don't optimize if max_attr_value unknown.
1744 (write_length_unit_log): Likewise with or_attr_value.
1745 (find_and_mark_used_attributes): Don't fallthru case.
1746 (write_attr_set): Pass thru all non-cond expressions.
1747 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1749 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1751 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1753 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1755 * regmove.c (discover_flags_reg): Remove cc0 code.
1756 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1757 a potential flags register was identified.
1759 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1761 * rs6000.md (scc plus ltu): Fix typo in last change.
1763 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1765 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1767 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1769 * regmove.c (discover_flags_reg): New function.
1770 (flags_set_1, mark_flags_life_zones): New functions.
1771 (regmove_optimize): Call them.
1772 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1774 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1776 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1778 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1779 Use loop_insn_first_p.
1781 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1782 David Edelsohn <edelsohn@gnu.org>
1784 * rs6000.md (scc plus eq): Fix output template.
1785 (scc plus ltu): Fix output template and collapse variants
1786 correcting early clobbers.
1787 (scc plus geu): Fix output template.
1788 (scc plus gt): Fix output template.
1789 (scc plus gtu): Fix output template and collapse variants.
1791 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1793 * cppinit.c (print_help): Remove unescaped newline in string.
1795 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1797 * loop.c (strength_reduce): Check for intervening jumps when
1798 converting biv increment to giv.
1800 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1802 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1803 * expr.c (expand_expr): Support new tree nodes.
1805 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1807 * config/m68k/m68k.c (m68k_align_loops_string,
1808 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1809 * config/m68k/m68k.h (m68k_align_loops_string,
1810 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1812 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1814 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1816 * bitmap.h (bitmap_print): Likewise.
1818 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1820 * c-lang.c (build_objc_string): Likewise.
1822 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1823 limits.h or ctype.h. Remove unused variable `p'.
1825 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1827 * c-pragma.c (handle_pragma_token): Likewise.
1829 * c-pragma.h (handle_pragma_token): Likewise.
1831 * c-tree.h (build_objc_string, builtin_function, grokfield,
1832 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1833 pedwarn_init): Likewise.
1835 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1836 push_string, warning_init, incomplete_type_error,
1837 build_indirect_ref, lvalue_or_else, readonly_warning,
1838 build_c_cast, spelling, push_member_name, print_spelling,
1839 error_init, pedwarn_init, start_init): Likewise.
1841 * objc/objc-act.c (build_objc_string): Likewise.
1843 * print-tree.c (print_node_brief, print_node): Likewise.
1845 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1847 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
1849 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1851 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1853 * configure.in :Handle OpenBSD platforms.
1854 * configure: Rebuilt.
1855 * config/openbsd.h: New file.
1856 * config/xm-openbsd.h: New file.
1857 * config/t-openbsd: New file.
1858 * config/t-openbsd-thread: New file.
1860 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1862 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1863 assign_stack_local for BLKmode slots.
1865 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1867 * loop.c (strength_reduce): For derived givs, replace the
1868 giv this was derived from with its new_reg.
1869 (recombine_givs): Don't set new_reg for derived giv.
1870 And don't print it, print SUM instead.
1872 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1874 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1876 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1878 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1879 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1881 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1882 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1883 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1884 cpp_pending, version_string, struct default_include,
1885 include_defaults_array, path_include, cpp_options_init,
1886 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1887 cpp_reader_init, nreverse_pending, push_pending, print_help,
1888 cpp_handle_option, cpp_handle_options, cpp_finish,
1889 cpp_cleanup): Move to cppinit.c.
1890 (macro_cleanup, struct arglist, collect_expansion,
1891 create_definition, compare_defs, comp_def_part, ARG_BASE,
1892 struct argdata, macarg, change_newlines, timestamp,
1893 monthnames, special_symbol, unsafe_chars, macroexpand,
1894 push_macro_expansion): Move to cpphash.c.
1895 (quote_string, check_macro_name, cpp_expand_to_buffer,
1896 output_line_command, cpp_undef): Export.
1897 (null_underflow, null_cleanup, handle_directive): Make static.
1899 * cpplib.h: Prototype now-exported functions. Adjust decls of
1900 syntax tables so we can include cpplib.h in cppinit.c.
1901 * cpphash.h: Prototype all functions exported by cpphash.c.
1902 * cppinit.c: Make syntax tables initialized data if possible
1903 (uses GCC designated-initializer extension).
1904 * cppexp.c: Make cpp_lex static.
1905 * Makefile.in: Move -D switches for the various include dirs
1906 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1908 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1910 * alpha/openbsd.h: New file.
1911 * alpha/xm-openbsd.h: New file.
1912 * sparc/openbsd.h: New file.
1913 * sparc/xm-openbsd.h: New file.
1914 * m68k/openbsd.h: New file.
1915 * m68k/xm-openbsd.h: New file.
1916 * i386/openbsd.h: New file, originally from netbsd.
1917 * i386/xm-openbsd.h: New file.
1919 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1921 * Makefile.in: Correct dependencies for cpplib object files.
1923 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1925 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1928 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1930 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1933 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1935 * tree.c (tree_node_kind_names, print_obstack_name,
1936 get_identifier, maybe_get_identifier, build_string,
1937 build_expr_wfl, is_attribute_p, lookup_attribute,
1938 print_obstack_statistics, get_file_function_name_long, tree_check,
1939 tree_class_check, expr_check): Qualify a char* with the `const'
1942 * tree.h (get_identifier, maybe_get_identifier, build_string,
1943 build_expr_wfl, is_attribute_p, lookup_attribute,
1944 print_obstack_statistics, print_obstack_name, tree_check,
1945 tree_class_check, expr_check): Likewise.
1947 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1949 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1952 * calls.c (store_one_arg): Mark any slots used for the argument
1953 as in-use immediately after we're done saving any slots which
1954 will be overwritten by this argument.
1956 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1958 * rs6000.md (call_value): Fix typo.
1960 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1962 * loop.c (strength_reduce): Calculate maybe_dead before
1963 calling recombine_givs.
1965 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1967 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1969 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1971 * objc/objc-act.c (encode_type): Encode the type instead of
1972 encoding the mode of the type (patch from Richard Frith-Macdonald
1973 <richard@brainstorm.co.uk>).
1975 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1977 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1978 instruction killed in previous change. Simplify mask generation.
1979 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1981 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1983 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1984 bitfield does not overflow a byte boundary.
1986 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1988 * c-common.c (shorten_compare): Get the min/max value from the
1989 underlying type of an enumeration, not the enumerated type itself.
1991 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1993 * jump.c: Include insn-attr.h.
1994 (delete_computation): If reload has completed and insn scheduling
1995 after reload is enabled, then do not depend on REG_DEAD notes.
1996 * Makefile.in (jump.o): Depend on insn-attr.h.
1998 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
2000 * i386.md (addsi3): Allow lea for any constant_p.
2002 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2004 * toplev.c (documented_lang_options): Remove -fident and
2005 -fnoident, which are now handled by the language independent
2008 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2010 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
2011 * c-lex.c: Likewise.
2012 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
2013 list in malloced memory for the buffer stack.
2014 (cpp_get_token): Don't pop the last buffer off the stack.
2015 Calls after CPP_EOF has been returned produce CPP_EOF with no
2017 (cpp_finish): Pop last buffer here.
2018 (do_line): Don't free ip->last_nominal_fname if it is equal to
2020 (special_symbol): If a T_CONST is the empty string, push a
2021 single `@ ' escape instead.
2022 (macroexpand): Special symbol buffers have escapes too.
2023 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
2025 (struct cpp_reader): Remove buffer_stack. Add
2027 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
2030 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
2033 WIDE_INT with WIDEST_INT.
2036 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
2037 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
2038 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
2039 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
2040 definition of variable `c89' when compiling a test binary and set it.
2042 * system.h: Don't define the PRINTF_PROTO_* macros.
2044 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
2046 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
2047 we do not understand, mark the loop and containing loops as invalid.
2049 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2051 * alias.c (init_alias_analysis): Avoid self-referential value
2052 when setting reg_known_value from REG_EQUAL notes.
2054 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
2056 * i386.c (legitimate_address_p): Verify modes of base and index.
2058 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
2060 * i386.c (legitimate_pic_address_disp_p): Remove static.
2061 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
2064 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
2066 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
2067 * explow.c (probe_stack_range): Likewise.
2068 * expmed.c (do_cmp_and_jump): Likewise.
2069 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
2070 (do_tablejump): Likewise.
2071 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
2072 (do_jump_if_equal, emit_case_nodes): Likewise.
2073 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
2074 then convert comparison to an unsigned code before emitting the jump.
2075 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
2077 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
2079 * version.c: Bump for snapshot.
2081 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2083 * version.c: Bump for snapshot.
2085 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
2087 * loop.c: Disable recent loop changes. Temporary as Joern
2088 continues to fix problems.
2090 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
2092 * loop.c (combine_givs_used_by_other): Delete.
2093 (combine_givs_benefit_from): Delete.
2094 (combine_givs): Deny combination of givs only used once. Simplify
2095 code with the death of combine_givs_benefit_from.
2097 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2099 * loop.c (scan_loop): Call reg_in_basic_block_p before
2100 loop_reg_used_before_p.
2102 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
2104 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
2108 * arm.h (TARGET_OPTIONS): Reformat for clarity.
2109 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
2110 in the constant pool aren't valid.
2111 (LEGITIMATE_PIC_OPERAND_P): Likewise.
2113 * arm.c: Include "system.h", not stdio.h and string.h.
2115 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
2117 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
2118 (optimize_tail_recursion): Change return type from void to int.
2119 Add return statements.
2120 * tree.h (optimize_tail_recursion): Change prototype to match.
2122 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2124 * reload.c (find_reloads_subreg_address): New function, broken out of
2125 find_reloads_toplev.
2126 (find_reloads_toplev, find_reloads_address_1): Use it.
2128 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
2130 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
2131 extending a CONST_INT.
2133 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
2135 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2137 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
2139 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
2141 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2143 * loop.c (load_mems): Don't guess how to do a load / store, use
2146 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2148 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
2150 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2152 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
2154 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
2156 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
2157 pseudo which is homed in the stack.
2159 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
2160 (compute_frame_size): Change loop over FP regs to be consistent
2161 with the loop in save_restore_insns.
2163 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
2165 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
2166 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
2168 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
2170 * mn10200.md (bset); Re-enable.
2172 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2174 * sh.md (is_sfunc): New attribute.
2175 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
2177 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
2179 * fold-const.c (range_binop): Take account of the bounded nature
2180 of fixed length arithmetic when comparing unbounded ranges.
2182 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
2184 * function.c (assign_stack_temp_for_type): Clear best_p
2185 when an exact match is found.
2187 * i386.h (LOCAL_ALIGNMENT): Define.
2188 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
2189 (assign_stack_temp_for_type): New function based on assign_stack_temp.
2190 (assign_stack_temp): Call it.
2191 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
2192 * stmt.c: Use assign_temp, not assign_stack_temp.
2193 * tm.texi: Document LOCAL_ALIGNMENT.
2195 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2197 * reorg.c: Finish deleting half-deleted comment.
2199 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2201 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2203 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2205 * real.c (endian): Delete sign extension code.
2206 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2207 replaced with operand_subword call.
2209 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2211 * alpha.md (cmov compound patterns): Delete. Jump can now
2212 create the correct constructs in the first place.
2214 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2216 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2218 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2220 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2222 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2224 * tmp-emsgids.c: Delete.
2226 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2228 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2231 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2233 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2235 * reload1.c (reload_combine_note_store): Second argument is no
2236 longer unused/ignored. Handle multi-register hard regs.
2237 (move2add_note_store): Simplify.
2239 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2241 * collect2.c (collect_execute): Remove cygwin-specific code.
2243 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2245 * system.h (_, N_): Remove dummy i18n macros.
2246 * protoize.c: Move inclusion of intl.h to after system.h.
2247 * cexp.y: Include intl.h.
2250 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2252 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2253 fpic/fPIC for windows32 targets.
2254 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2256 * i386/mingw32.h (CPP_SPEC): Define.
2257 (CPP_PREDEFINES): Add MINGW32 version id.
2258 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2260 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2261 add missing exeext to target.
2263 * gcc.c (convert_filename): Handle null filename argument.
2265 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2267 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2268 m constraint instead of QT.
2270 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2272 * cpplib.c (special_symbol): Move IP to be declared in function
2273 scope, rather than individual case statements.
2275 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2277 * cppfiles.c (finclude): Handle pipes properly under old BSD
2280 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2282 * system.h: Provide fallback definitions for S_ISCHR,
2283 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2285 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2287 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2289 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2291 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2292 "740", and "750" as valid arguments to --with-cpu.
2293 * configure: Rebuilt.
2295 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2297 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2298 * configure: Rebuilt.
2300 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2302 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2303 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2305 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2307 * output.h (current_function_has_computed_jump): Rename from
2308 current_function_addresses_labels.
2309 * function.h (struct function): Likewise for addresses_labels member.
2310 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2311 * function.c (current_function_has_computed_jump): Likewise.
2312 Update all references.
2313 * integrate.c (function_cannot_inline_p):
2314 Test current_function_has_computed_jump instead of addresses_labels.
2315 (initialize_for_inline): Likewise save.
2316 (output_inline_function): Likewise restore.
2318 * expr.c (expand_expr): Don't reference addresses_labels variables.
2319 * stmt.c (expand_computed_goto): Set has_computed_jump.
2321 1999-02-08 Michael Meissner <meissner@cygnus.com>
2323 This is being installed only to get it into the repository to help
2324 with the revert, resubmit & review process for the massive rs6000.md
2326 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2328 (anddi3_internal1): Ditto.
2329 (andsi3_internal{2,3}): Correct some insn lengths.
2330 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2333 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2335 * loop.c (reg_single_usage): New file-scope variable ...
2336 (scan_loop): ... moved out of here. Always initialize.
2337 Test loop_has_call instead of reg_single_usage not zero.
2338 Free reg_single_usage after strength reduction.
2339 (count_loop_regs_set): Assume single_usage non-zero.
2340 (combine_givs_used_by_other): Test reg_single_usage.
2341 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2342 as a parameter. Assume non-zero.
2344 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2346 * cpplib.c (special_symbol): Rewrite. Don't copy things
2347 multiple times. Handle __STDC__ specially. T_CONST
2348 indicates a constant /string/. Don't handle T_*_TYPE and
2349 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2350 adjust_position. Determine the file buffer only if needed.
2351 (initialize_builtins): Handle __SIZE_TYPE__,
2352 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2353 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2354 Don't provide __OBJC__; the driver does that. Provide
2355 __STDC_VERSION__, using T_CONST. Use T_STDC for
2356 __STDC__. Give install the length of all symbols defined.
2357 (eval_if_expression): Drop code to insert and remove the
2358 "defined" special symbol.
2360 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2361 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2363 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2364 the `value' parameter. All callers changed.
2365 * cpphash.h (install): Change prototype to match.
2366 (union hashval): Remove `ival' member.
2367 * cppexp.c (cpp_lex): Handle `defined' here.
2369 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2371 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2373 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2375 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2376 initialization of unions whose first member is a bitfield.
2377 Remove unnecessary code for checking the declaration mode
2378 after DECL_C_BIT_FIELD.
2380 * varasm.c (output_constructor): Additional comment about the
2381 constructor of bitfield union initialization.
2383 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2385 * config/c4x/c4x.md (*movhi_stik): New pattern.
2386 (movhi): Allow some immediate constants to be directly
2389 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2391 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2392 (call, call_value): Force address into a register if not valid
2393 for a call instruction.
2394 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2396 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2398 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2400 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2401 Rename from call_operand and symbolic_operand respectively. All
2403 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2405 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2407 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2409 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2411 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2412 LO_SUM address for HImode or HFmode but instead force address into
2413 a register so that it is offsettable.
2414 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2416 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2418 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2419 REG+REG addressing if strength reduction enabled.
2421 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2423 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2424 (TARGET_LIBGCC2_CFLAGS): Define.
2426 1999-02-08 Nick Clifton <nickc@cygnus.com>
2428 * config/v850/v850.md: Replace \\n\\t with \\;
2430 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2431 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2432 Enforce TARGET_LONG_CALLS option.
2434 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2436 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2438 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2440 * m88k/t-luna-gas: Remove bash dependency.
2442 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2444 * collect2.c (xrealloc): Fix typo in last change.
2446 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2448 * version.c: Bump for snapshot.
2450 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2452 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2453 that we do not want macro replacement within a character constant.
2454 (TYPE_CHECK1): Likewise.
2456 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2458 * tree.h (DECL_P): New macro.
2460 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2462 * version.c: Bump for snapshot.
2464 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2466 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2468 * README.g77, gcc.c, gcc.texi: Update email addresses.
2469 * invoke.texi system.h: Likewise.
2471 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2473 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2474 to convert dest_reg to new_reg.
2476 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2478 * reload1.c (reload_combine_note_store): Be more careful with
2479 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2480 (move2add_note_store): Likewise.
2482 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2484 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2485 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2488 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2490 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2493 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2494 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2495 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2496 (CPP_CPU_ARCH_SPEC): Likewise.
2497 (enum processor_type): Likewise.
2498 * config/arm/arm.md (attr cpu): Add arm9.
2500 General scheduling changes
2501 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2502 (max_insns_skipped): New variable.
2503 (arm_override_options): If generating hard floating point code for
2504 the FPA, emit code for version 3.
2505 When optimizing for space, don't synthesize constants.
2506 Reword several flags based on the requested processor and optimization
2508 (use_return_insn): New argument iscond, all callers changed. Don't
2509 use a return insn if it will be conditional and that would be
2510 expensive; eg on StrongARM.
2511 (arm_adjust_cost): Anti- and output- dependencies normally have no
2513 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2514 the sequence is short.
2515 (final_prescan_insn): Use max_insns_skipped instead of
2516 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2517 conditional, and aviod this if it would be expensive.
2518 * config/arm/arm.md (scheduling attributes and function units):
2519 Rewrite to better describe ARM8, 9 and StrongARM.
2521 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2523 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2524 arm_rhsm_operand. Rework constraints.
2525 (*if_plus_move): Likewise.
2526 (*ifcompare_move_plus): Likewise.
2527 (*if_move_plus): Likewise.
2528 (*ifcompre_arith_move): Likewise.
2529 (*if_arith_move): Likewise.
2530 (*ifcompare_move_arith): Likewise.
2531 (*if_move_arith): Likewise.
2533 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2535 1999-02-05 Michael Meissner <meissner@cygnus.com>
2537 * loop.c (check_dbra_loop): A store using an address giv for which
2538 we have no life information is not reversible.
2540 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2542 * function.c (fixup_var_refs): Scan catch_clauses too.
2544 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2546 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2547 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2549 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2551 * loop.c (strength_reduce): Clear not_every_iteration when
2552 passing the NOTE_INSN_LOOP_CONT note.
2554 * haifa-sched.c (add_dependence): Do not add a dependency on a
2557 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2559 * recog.c (split_block_insns): Only call update_flow_info if
2560 instruction scheduling is enabled.
2562 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2564 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2566 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2568 * loop.c (first_loop_store_insn): New file-scope variable.
2569 (prescan_loop): Set it.
2570 (check_dbra_loop): Check if a store depends on a register
2571 that is set after the store.
2573 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2575 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2576 Replace spaces with tabs where appropriate.
2578 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2580 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2581 (strength_reduce): New argument loop_cont. Changed caller.
2582 Before clearing not_every_iteration after a label, check if
2583 we are not already past LOOP_CONT.
2585 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2587 * cpperror.c (cpp_print_containing_files): Fix formatting
2588 bug induced by merge.
2590 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2592 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2593 (cpp_define): Remove redundant syntax checks.
2594 (make_assertion): Rename cpp_assert, remove redundant syntax
2596 (cpp_options_init): Don't init things to zero twice.
2597 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2598 (do_include): Kill excessively verbose #import warning that
2599 snuck back in in the gcc2 merge.
2600 (convert_string): Removed.
2601 (do_line): Rewrite with simple last-name-used cache instead of
2603 (cpp_start_read): Call initialize_char_syntax here, not...
2604 (cpp_reader_init): ...here.
2605 (cpp_handle_options): Support the -std switch.
2606 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2607 (cpp_options): Add c9x flag.
2608 Declare all the is_* tables and trigraph table here, as const.
2609 Prototype cpp_assert and initialize_char_syntax.
2610 * cppinit.c: New file.
2611 * cppfiles.c (read_and_prescan): Optimize.
2612 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2614 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2616 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2617 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2618 before calling gen_div_trap.
2620 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2622 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2623 than numeric value for target_cpu_default..
2624 * configure: Rebuilt.
2626 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2628 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2629 mkstemp. Get them from libiberty.
2630 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2631 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2632 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2633 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2635 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2637 * pa-hpux.h (LINK_SPEC): Likewise.
2638 * pa-hpux10.h (LINK_SPEC): Likewise.
2639 * pa-hpux9.h (LINK_SPEC): Likewise.
2640 * pa-osf.h: (LINK_SPEC): Likewise.
2641 * pa-pro.h (TARGET_DEFAULT): Likewise.
2642 * pa1.h (TARGET_DEFAULT): Likewise.
2643 * pa.h (MASK_*): New defines.
2644 (TARGET_*): Use symbolic values rather than numeric values.
2645 (TARGET_SWITCHES): Likewise.
2646 (TARGET_DEFAULT): likewise.
2647 (CPP_SPEC): likewise.
2649 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2651 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2652 * reload.c (find_reusable_reload): New function, broken out of
2653 push_reload. Add code to verify that none of the involved
2654 outputs are subject to earlyclobbers.
2655 (push_reload): Break out new function find_reusable_reload.
2656 Delete "register" keyword for IN, OUT args.
2658 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2660 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2661 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2662 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2663 Use true_reg_or_0_operand for div_trap.
2665 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2667 * loop.h (express_from): Declare.
2668 (struct induction): Replace derived flag with derived_from pointer.
2669 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2670 (express_from): No longer static.
2671 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2672 When processing an address giv with which another giv has been
2673 combined that has also been derived from a third giv, handle like
2674 having combined with the third giv.
2675 Set splittable_regs_updates appropriately for derived givs.
2677 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2679 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2681 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2683 * pa.c (insn_sets_and_refs_are_delayed): New function.
2684 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2685 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2687 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2689 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2690 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2691 (TARGET_LIBGCC2_CFLAGS): Define.
2692 (LIBGCC2_DEBUG_CFLAGS): Define.
2693 * config/arm/t-netbsd: Likewise.
2694 * config/arm/t-semi: Likewise.
2695 * config/arm/t-semiaof: Likewise.
2696 * config/arm/t-riscix: Likewise.
2698 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2700 * config/m68k/m68k.c (print_operand_address): When printing a
2701 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2703 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2705 * i386/freebsd*.h now allows '$' in label names and does not use the
2706 PCC struct return method.
2708 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2710 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2711 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2712 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2713 names if host == target.
2714 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2715 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2716 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2717 setting them to *_FOR_TARGET.
2718 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2721 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2723 * toplev.h (read_integral_parameter): Declare.
2724 * toplev.c (read_integral_parameter): New function.
2726 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2728 * resource.c, resource.h: New files.
2729 * Makefile.in (OBJS): Add it.
2731 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2732 (split_block_insns): Moved to recog.c.
2733 (update_flow_info): Make public.
2734 * rtl.h: Declare them.
2736 * reorg.c: Moved the functions dealing with computing resource
2737 usage to resource.c.
2739 * sched.c (regno_use_in): Moved to rtlanal.c.
2740 (update_flow_info): Make public.
2741 (schedule_insns): Use split_block_insns.
2743 * recog.c (split_block_insns): New function.
2745 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
2747 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2748 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2750 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2752 * configure.in (arm-*-oabi): Support.
2753 * configure: Regenerate.
2754 * config/arm/unknown-elf-oabi.h: New file.
2756 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2758 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2759 Make the anonymous pattern match when ! optimize_size.
2760 (ashlsi3 size optimizer): New pattern.
2762 * intl/Makefile.in (uninstall): Add missing "; \".
2764 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2766 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2769 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2771 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2772 to after find_and_verify_loops call.
2774 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2776 * (recombine_givs): Don't use a giv that's likely to be dead to
2779 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2780 wrap around when deriving givs.
2782 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2784 * recog.c (check_asm_operands): Treat indeterminate operand ok
2785 results as success. Try harder to resolve a matching constraint.
2786 * stmt.c (expand_asm_operands): Recognize when an output operand's
2787 constraint does not allow memory. Treat indeterminate operand ok
2788 results as failure. Try harder to resolve a matching constraint.
2790 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2792 Use varrays for constant-equivalence data:
2794 * varray.h (struct const_equiv_data): New type.
2795 (union varray_data_tag): New element const_equiv.
2796 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2797 (VARRAY_SIZE): New macro, returns number of elements.
2798 * integrate.h: Include varray.h.
2799 (struct inline_remap): Replace const_equiv_map, const_age_map and
2800 const_equiv_map_size with a const_equiv_varray element.
2801 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2803 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2804 simultaneously, growing the varray if needed.
2806 * integrate.c (global_const_equiv_map,
2807 global_const_equiv_map_size): Deleted, replaced by....
2808 (global_const_equiv_varray): New variable.
2809 (expand_inline_function): References changed.
2810 * integrate.h: Update declarations.
2812 * integrate.c (process_reg_parm, expand_inline_function,
2813 copy_rtx_and_substitute, try_constants, subst_constants,
2814 mark_stores): Use varray allocation and accessor macros, new
2815 integrate.h macros, and global_const_equiv_varray. Don't
2816 conditionalize non-NULL stores on array size; instead, expand the
2818 * unroll.c (unroll_loop): Likewise.
2820 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2821 zero. After allocating varray, always exit through bottom of
2822 function, where it can be deallocated if needed. Don't explicitly
2823 reallocate const_equiv_map storage; instead, just ensure the
2824 varray has been initialized, and update the global reference.
2826 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2830 * dwarf2out.c (inline): Don't define.
2832 * dwarfout.c (inline): Likewise.
2834 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2836 * loop.c (recombine_givs): Dump recombination and derivation data.
2838 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2840 * flags.h: Declare flag_no_ident.
2841 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2842 * c-tree.h: Don't declare flag_no_ident.
2843 * c-decl.c: Don't define flag_no_ident. Don't process
2844 -f(no-)ident switches here.
2846 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2847 only if !flag_no_ident.
2848 * config/ptx4.h: Likewise.
2849 * config/svr4.h: Likewise.
2850 * config/alpha/elf.h: Likewise.
2851 * config/arm/linux-elf.h: Likewise.
2852 * config/i386/sco5.h: Likewise.
2853 * config/i860/fx2800.h: Likewise.
2854 * config/mips/gnu.h: Likewise.
2855 * config/i386/osfrose.h: Likewise.
2857 * gcc.c (C specs): Map -Qn to -fno-ident.
2858 * objc/lang-specs.h: Likewise.
2860 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2862 * configure.in: Don't remove loop.o and unroll.o when
2863 enable-haifa is selected.
2864 * configure: Rebuilt.
2866 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2868 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2869 movxfcc, movdicc): Delete unconstrained alternatives.
2870 * i386.c (output_fp_conditional_move,
2871 output_int_conditional_move): Delete unused case.
2873 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2875 * version.c: Bump for snapshot.
2877 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2879 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2880 instead of bis and cpys. Combine alternatives where possible.
2882 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2884 * gcov.c (fnotice): Add missing FILE* parameter.
2885 (function_summary): Fix format specifiers in calls to `fnotice'.
2886 (output_data): Likewise.
2888 * toplev.c (fnotice): Constify char* parameter.
2890 * toplev.h (fnotice): Add prototype.
2891 Wrap prototype with BUFSIZ to protect FILE* usage.
2893 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2895 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2897 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2899 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2901 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2902 function definition.
2903 (aliases_everything_p, write_dependence_p):Likewise.
2905 * install.texi: Fix merge lossages.
2907 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2909 * collect2.c (main): Likewise.
2910 * cppmain.c (main): Likewise.
2911 * gcc.c (main): Likewise.
2912 * gcov.c (main): Likewise.
2913 * protoize.c (main): Likewise.
2914 * toplev.c (main): Likewise.
2916 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2919 * loop.c: Disable recent loop changes. Temporary as Joern
2920 continues to fix problems.
2922 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2924 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2926 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2928 * emit-rtl.c (remove_insn): New function.
2929 * rtl.h (remove_insn): Add prototype.
2930 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2932 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2934 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2936 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2939 when declaring arguments and calling va_arg() to initialize them.
2941 * collect2.c (notice): Likewise.
2943 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2945 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2947 * collect2.c (error): Fix typo in declaration.
2949 * cpperror.c (cpp_message): Likewise.
2951 * cpplib.c (cpp_warning): Likewise.
2953 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2956 * toplev.c (error): Fix typo in declaration.
2958 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2960 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2961 forward from cont dominator.
2963 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * cccp.c (eprint_string): Constify a char*.
2966 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2967 (vnotice): Constify a char*.
2968 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2969 (verror): Constify a char*.
2970 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2971 (vwarning): Constify a char*.
2972 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2974 (verror_with_line): Constify a char*.
2975 (vwarning_with_line): Likewise.
2976 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2978 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2980 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2981 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2982 Also correct typo in parameter name declaration.
2983 (make_assertion): Constify a char*.
2984 (quote_string_for_make): Likewise.
2985 (deps_output): Likewise.
2986 (fatal): Likewise. Use PVPROTO not VPROTO, add
2987 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2988 "__attribute__ ((noreturn))".
2989 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2990 (pfatal_with_name): Likewise.
2991 (pipe_closed): Likewise.
2992 (memory_full): Likewise.
2994 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2996 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2997 may_not_optimize to proper size when converting biv increments
2999 If necessary, reallocate reg_iv_type / reg_iv_info before calling
3002 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3004 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
3005 generate complex adds. Changed caller.
3006 Don't generate adds that cost more than the original one.
3007 (strength_reduce): Warning fixes.
3009 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
3011 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
3012 * configure: Rebuilt.
3014 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3016 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
3017 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
3018 * loop.h (varray.h): Include.
3019 (struct induction): Change combined_with to unsigned.
3020 New members derived, ix and last_use.
3021 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
3022 (REG_IV_TYPE, REG_IV_INFO): Define.
3023 (first_increment_giv, last_increment_giv): Declare.
3024 * loop.c (loop_number_loop_cont): New static variable.
3025 (loop_number_cont_dominator): Likewise.
3026 (reg_iv_type, reg_iv_info): Now varray_type.
3027 (first_increment_giv, last_increment_giv): New variables.
3028 (compute_luids, verify_dominator, find_life_end): New functions.
3029 (cmp_recombine_givs_stats, recombine_givs): Likewise.
3030 (loop_optimize): Allocate loop_number_loop_cont and
3031 loop_number_cont_dominator. Use compute_luids.
3032 (find_and_verify_loops): Initialize loop_number_loop_cont and
3033 loop_number_cont_dominator.
3034 (strength_reduce): Try to find bivs that can be expressed as givs
3035 of another biv, and to convert biv increments into givs.
3036 Call recombine_givs. Handle derived givs.
3037 (record_biv): New argument location. All callers changed.
3038 (record_giv): Initialize derived and last_use fields.
3039 (basic_induction_var): New argument location. All callers changed.
3040 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
3041 Increment combined_with instead of setting to 1.
3042 * unroll.c (derived_regs): New static variable.
3043 (unroll_loop): Initialize it.
3044 Allocate local_regno according to max_reg_num.
3045 (copy_loop_body): Cope with derived givs.
3046 (find_splittable_givs): Check for Givs made from biv increments.
3047 Set derived_regs for givs.
3048 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
3050 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3052 * function.c (purge_addressof_1): Handle case when a register
3053 has been used in a wider mode.
3055 1999-01-27 Bruce Korb <autogen@linuxbox.com>
3057 * fixinc/fixincl.c, fixinc/server.[ch]:
3058 Removed the last of the capitalized variable and proc names.
3060 * fixinc/server.c: Removed the process open code
3061 * fixinc/procopen.c: New file containing the proc open code
3062 * fixinc/inclhack.tpl: Added code to bypass a readability test
3063 when a file is not present. A problem on some systems.
3064 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
3066 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
3068 * cpplib.h (cpp_notice): Add prototype.
3070 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
3072 * Merge gcc2 snapshot 19980929.
3074 * cccp.c (PRINTF_PROTO): Remove.
3075 (PRINTF_PROTO_{1,2,3,4}: Likewise.
3077 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
3079 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
3080 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
3081 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
3083 * gen-protos.c (hashf): Delete in cpphash.o
3084 * gen-protos.c (hashf): Delete in cpphash.o
3086 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
3087 * expmed.c: Likewise.
3088 * rs6000.md: Likewise.
3090 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
3092 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
3094 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
3095 * rs6000.md (movsi, movdi): Likewise.
3097 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
3099 * function.c (expand_function_end): Pass arg_pointer_save_area to
3100 validize_mem before using it. Emit code into a sequence.
3102 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
3104 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
3105 '#' to split patterns. Correct indentation of some new patterns.
3107 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
3109 * cppfiles.c (safe_read): Deleted.
3110 (read_and_prescan): New function, replaces safe_read, converts
3111 and/or warns about trigraphs, silently converts odd line
3112 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
3113 (finclude): Use read_and_prescan; turn off nonblocking mode on
3114 the input descriptor; remove file-size-examination and
3115 no-newline-at-EOF gunk which is longer necessary; be more
3116 careful about checking that we've been handed a legitimate
3117 file to read (only real files, pipes, and ttys are acceptable).
3118 * cpplib.h (cpp_options): Rename no_trigraphs flag to
3119 `trigraphs' and invert its sense.
3120 (trigraph_table): Declare.
3121 (cpp_warning_with_line): Prototype.
3122 * cpplib.c: Remove all references to trigraph_pcp. Define
3123 trigraph_table; initialize it in initialize_char_syntax. Open
3124 files in nonblocking mode. s/no_trigraphs/trigraphs/
3125 throughout, and invert sense. Put cpp_warning_with_line back
3128 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3130 * config/c4x/c4x.h (COUNTER_REGS): New register class.
3131 * config/c4x/c4x.md (*rptb_init): Change constraints.
3132 (rptb_end): Emit alternate looping instructions if
3133 RC register not allocated for loop counter.
3134 (decrement_and_branch_on_count): Allow other registers
3137 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3139 * cppexp.c (struct arglist): Removed.
3140 (parse_number): Use HOST_WIDE_INT for the accumulator.
3141 Allow two `l' suffixes unless C89. Clean up. Make static.
3142 (parse_charconst): New function broken out of cpp_lex.
3143 Code cleaned up drastically. Don't use a token_buffer.
3144 (token_buffer): Removed.
3145 (cpp_lex): Don't call parse_number on a constant string.
3146 Use parse_charconst.
3147 (cpp_parse_expr): Properly handle an ERROR op returned by
3150 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3152 * cpplib.c: Don't include signal.h, sys/times.h, or
3153 sys/resource.h. Don't declare localtime.
3154 (macroexpand): Handle special symbols here.
3155 (push_macro_expansion): Chop off the trailing '@ ' if possible
3157 (cpp_get_token): Don't do either of the above two things here.
3158 Move `string' label just after case '"' so that wide strings
3159 don't crash the preprocessor.
3161 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
3163 * rs6000.md (left shift + set cr patterns): Add missing '#' to
3165 (move register + set cr pattern): Ditto.
3166 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
3167 inadvertently deleted.
3169 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
3171 * stmt.c (stmt_loop_nest_empty): New function.
3172 * tree.h (stmt_loop_nest_empty): Declare it.
3173 * rtl.def (CALL_PLACEHOLDER): New rtx code.
3175 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3177 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
3179 (c4x_check_legit_addr): Remove USE and PLUS, allow
3180 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
3181 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
3182 CONST cases. Add LO_SUM.
3183 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
3184 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
3185 (c4x_print_operand_address): Handle LO_SUM.
3186 (c4x_scan_for_ldp): Delete. Hooray!
3187 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
3189 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
3191 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
3193 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3195 (c4x_U_constraint, symbolic_operand): New functions.
3196 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3197 disable SYMBOL_REF, LABEL_REF, and CONST.
3198 (lsrc_operand, tsrc_operand): Call src_operand instead of
3200 (c4x_operand_subword): Update comments.
3202 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3203 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3204 plus HIGH and LO_SUM for the C40.
3205 (ENCODE_SECTION_INFO): Define macro.
3206 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3208 (PREDICATE_CODES): Add symbolic_operand.
3210 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3211 c4x_emit_move_sequence.
3212 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3213 to avoid symbol references.
3214 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3215 (set_high): Renamed from set_high_use.
3216 (set_lo_sum): Renamed from set_ior_lo_use.
3217 (all call patterns): Make MEM explicit in call address operands.
3218 Modified output templates to use 'U' modifier.
3220 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3222 * version.c: Bump for snapshot.
3224 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3226 * final.c (bb_str): Qualify a char* with the keyword `const'.
3227 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3229 * fix-header.c (read_scan_file): Likewise.
3231 * genoutput.c (output_epilogue, process_template): Likewise.
3233 * local-alloc.c (requires_inout, block_alloc): Likewise.
3235 * output.h (output_asm_insn, assemble_string): Likewise.
3237 * recog.c (recog_constraints, check_asm_operands,
3238 decode_asm_operands, extract_insn, preprocess_constraints,
3239 constrain_operands): Likewise.
3241 * recog.h (operand_alternative, recog_constraints, insn_template,
3242 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3244 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3246 * regmove.c (find_matches): Likewise.
3248 * reload.c (alternative_allows_memconst): Likewise.
3250 * reload1.c (constraint_accepts_reg_p,
3251 reload_cse_simplify_operands): Likewise.
3253 * rtl.h (decode_asm_operands): Likewise.
3255 * scan.h (fn_decl): Likewise.
3257 * varasm.c (assemble_string): Likewise.
3259 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3261 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3262 not been explicitly set.
3263 * configure: Rebuilt.
3265 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3268 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3270 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3271 use $exec_prefix/$target_alias for gcc_tooldir.
3272 * configure: Rebuilt.
3274 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3276 * cppp.c (xrealloc): Fix typo last change.
3277 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3278 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3279 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3281 1999-01-22 Michael Meissner <meissner@cygnus.com>
3283 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3284 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3285 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3286 (cc_reg_not_cr0_operand): Add declaration.
3288 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3289 pseudo register, or a control register that is not CR0.
3291 * rs6000.md (all combiner patterns building . instructions): For
3292 all `.' instructions that do something and set cr0, add an
3293 alternative that does the operation, and then sets a different
3294 flag, in order to avoid using the costly mcrf instruction and also
3295 allow cr0 to be clobbered in asm statements. Also fix a few
3296 patterns that used the wrong register.
3298 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3299 (rs6000_debug_name): Make const char *, not char *.
3301 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3303 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3304 (rs6000_select): Use const char * in casts.
3306 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3308 * Makefile.in (gcc_tooldir): Move before first reference.
3309 Let autoconf substitute in a value.
3310 * configure.in (gcc_tooldir): Only use a relative path to the
3311 tool directory if $exec_prefix == $prefix.
3312 * configure: Rebuilt.
3314 * Makefile.in (tooldir): Replace with gcc_tooldir.
3316 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3318 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3319 (ashldi3 expander): Similarly. Update comments.
3320 (ashrdi_const, lshrdi_const): Fix indention.
3321 (ashrdi3, lshrdi3): FIx indention. Update comments.
3323 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3325 * emit-rtl.c (try_split): Don't try to split non-instructions.
3327 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3329 * expr.c (emit_push_insn): Fix dumb typo.
3331 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3333 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3334 transformations that we have performed earlier.
3335 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3337 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3338 handling, call gen_label_rtx instead.
3340 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3342 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3344 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3345 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3346 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3347 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3348 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3350 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3352 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3353 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3354 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3355 * configure: Regenerate.
3357 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3359 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3361 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3363 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3365 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3367 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3368 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3369 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3370 (move_by_pieces): Use new macros.
3371 (emit_block_move): Use new macros.
3372 (clear_by_pieces): Use new macros.
3373 (clear_storage): Use new macros.
3374 (emit_push_insn): Use new macros.
3375 (expand_expr): Use new macros.
3376 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3378 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3379 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3380 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3381 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3382 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3383 USE_STORE_PRE_DECREMENT): Describe new macros.
3385 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3387 * varasm.c (output_constant_pool): Use floor_log2 instead of
3388 exact_log2 for ASM_OUTPUT_ALIGN.
3390 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3392 * emit-rtl.c (operand_subword): Handle case when a subword outside
3395 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3398 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3400 * cse.c (fold_rtx): Revert 29 Dec change.
3401 (cse_insn): Revert 12 Jan change.
3402 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3403 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3404 * rtl.def: Likewise.
3405 * rtl.h (CONSTANT_P): Likewise.
3407 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3409 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3410 * alpha.c (input_operand): Likewise.
3411 * c4x.c (const_operand): Likewise.
3413 * explow.c (allocate_dynamic_stack_space): Use register_operand
3414 instead of arith_operand, which does not exist.
3416 * 1750a.h: Fix comment closure.
3417 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3418 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3419 * arm.h (TARGET_SWITCHES): Fix typo.
3420 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3421 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3422 (output_delay_insn): Likewise.
3423 * m88k.md (anon rotate insns): Fix set mode mismatch.
3424 (anon BLKmode moves): Commonize and fix set mode mismatches.
3425 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3426 * romp.md (movdf): Fix typo.
3428 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3430 * Makefile.in (install-common): Remove extraneous chmod for gcov
3433 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3435 * function.c (assign_parms): Save and restore setting of
3438 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3440 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3441 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3443 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3445 * recog.c (pop_operand): New function.
3446 * recog.h (pop_operand): Declare it.
3447 * genrecog.c (preds): Define it.
3449 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3450 emitting multiple jump instructions.
3451 * jump.c (condjump_label): New function.
3452 * rtl.h (condjump_label): Declare it.
3454 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3456 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3457 clobber during or after reload.
3459 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3461 * genoutput.c (name_for_index): New function.
3462 (scan_operands, validate_insn_alternatives): Use it.
3463 * genrecog.c (insn_name_ptr_size): New variable.
3464 (make_insn_sequence): Fill in insn_name_ptr.
3465 (merge_trees): Use it.
3467 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3469 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3470 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3471 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3473 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3475 * loop.c (NUM_STORES): Delete.
3476 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3477 (prescan_loop): Properly initialize loop_mems_idx.
3478 (note_addr_stored): Simplify using list structure instead of
3480 (invariant_p, check_dbra_loop, load_mems): Similarly.
3482 * flow.c (invalidate_from_autoinc): New function.
3483 (mark_set_1, mark_used_regs): Use it.
3485 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3487 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3489 * invoke.texi (-mlong-double-64): New option description.
3491 1999-01-19 Jim Wilson <wilson@cygnus.com>
3493 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3494 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3495 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3497 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3498 (CPP_SPECS): Add -mlong-double-64 support.
3499 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3500 (TARGET_SWITCHES): Add -mlong-double-64 support.
3501 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3502 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3503 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3504 (CPP_SPECS): Add -mlong-double-64 support.
3505 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3506 (MULTILIB_DIRNAMES): Add ld64.
3507 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3509 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3511 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3512 invisible reference.
3514 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3516 * rs6000.c (offsettable_addr_operand): Delete.
3517 (offsettable_mem_operand): New function.
3518 * rs6000.h (PREDICATE_CODES): Reflect function change.
3519 (RS6000_SAVE_TOC): Represent address as MEM.
3520 * win-nt.h (RS6000_SAVE_TOC): Same.
3521 * rs6000.md (indirect calls): Change offsettable address parameter
3522 to offsettable memory parameter.
3524 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3526 * rtl.h (rtx_def): Update documentation.
3527 (MEM_IN_STRUCT_P): Likewise.
3528 (MEM_SCALAR_P): New macro.
3529 (MEM_COPY_ATTRIBUTES): Likewise.
3530 (MEM_SET_IN_STRUCT_P): Likewise.
3531 * rtl.texi (MEM_SCALAR_P): Document.
3532 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3533 (fixed_scalar_and_varying_struct_p): New function. Use
3534 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3535 (aliases_everything_p): Likewise.
3536 (true_dependence): Use them.
3537 (write_dependence_p): New function, containing code common to
3538 anti_dependence and output_dependence.
3539 (anti_dependence): Use it.
3540 (output_dependence): Likewise.
3541 * calls.c (save_fixed_argument_area): Don't clear
3543 (expand_call): Use MEM_SET_IN_STRUCT_P.
3544 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3545 (emit_library_call_value): Likewise.
3546 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3547 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3548 (make_extraction): Likewise.
3549 (simplify_shift_const): Likewise.
3550 (gen_lowpart_for_combine): Likewise.
3551 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3552 * emit-rtl.c (operand_subword): Likewise.
3553 (change_address): Likewise.
3554 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3555 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3556 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3557 (copy_blkmode_from_reg): Likewise.
3558 (store_field): Likewise.
3559 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3560 heuristically. Use MEM_SET_IN_STRUCT_P.
3561 (get_memory_rtx): Likewise.
3562 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3563 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3564 MEM_ALIAS_SET on newly returned MEMs.
3565 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3566 (put_reg_into_stack): Likewise.
3567 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3568 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3569 (assign_parms): Likewise.
3570 (expand_function): Likewise.
3571 * integrate.c (expand_inline_function): Likewise.
3572 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3573 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3574 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3575 * print-rtl.c (print_rtx): Print /f for frame_related.
3576 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3577 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3578 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3579 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3580 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3581 (output_constant_def): Likewise.
3582 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3584 (a29k_set_memflags): Use it.
3585 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3586 * c4x.c (c4x_scan_for_ld): Likewise.
3587 * h8300.c (fix_bit_operand): Likewise.
3588 * m88k.c (legitimize_address): Likewise.
3589 (block_move_loop): Likewise.
3590 (block_move_no_loop): Likewise.
3591 (block_move_sequence): Likewise.
3592 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3593 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3594 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3595 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3596 * arm.h (arm_gen_load_multiple): Take scalar_p.
3597 (arm_store_load_multiple): Likewise.
3598 * arm.c (arm_gen_load_multiple): Likewise.
3599 (arm_gen_store_multiple): Likewise.
3600 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3602 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3604 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3605 calls within a libcall block to indicate no throws are possible.
3606 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3607 libcall blocks. Don't add edges to exception handlers if we see
3608 a REG_EH_REGION note with a value of 0.
3609 (make_edges): Override active_eh_region vector if the call has a note
3610 indicating the call does not throw.
3612 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3614 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3616 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3618 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3620 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3622 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3624 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3626 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3627 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3630 1999-01-18 Michael Meissner <meissner@cygnus.com>
3632 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3633 supported with -mcpu=xxx.
3634 (processor_type): Add PROCESSOR_PPC750.
3635 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3636 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3637 (rs6000_adjust_priority): Add declaration.
3639 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3640 processor type as 750, not 603. Allow -mmultiple and -mstring on
3641 little endian 750 systems.
3642 (rs6000_adjust_priority): Stub for now.
3643 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3645 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3647 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3649 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3651 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3652 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3654 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3657 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3659 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3661 * config/mips/mips.md (div_trap): Split div_trap_mips16
3663 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3665 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3667 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3668 Instead of writing to const char *buf directly, use a non-const
3669 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3671 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3674 * dyn-string.c (dyn_string_append): Likewise.
3676 * dyn-string.h (dyn_string_append): Likewise.
3678 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3680 * output.h (end_final, output_operand_lossage, asm_fprintf,
3681 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3684 * profile.c (init_branch_prob): Likewise.
3686 * toplev.c (set_target_switch, vmessage,
3687 v_message_with_file_and_line, v_message_with_decl,
3688 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3689 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3690 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3691 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3692 open_dump_file, dump_rtl, clean_dump_file,
3693 print_version, print_single_switch, print_switch_values,
3694 dump_base_name, debug_args, lang_independent_options,
3695 user_label_prefix, documented_lang_options, target_switches,
3696 target_options, print_time, pfatal_with_name, fatal_io_error,
3697 fatal_insn, default_print_error_function, print_error_function,
3698 report_error_function, error_with_file_and_line, error_with_decl,
3699 error_for_asm, error, fatal, warning_with_file_and_line,
3700 warning_with_decl, warning_for_asm, warning, pedwarn,
3701 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3702 really_sorry, botch, output_quoted_string, output_file_directive,
3703 open_dump_file, rest_of_decl_compilation, display_help, main):
3706 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3707 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3708 warning_with_file_and_line, error_with_file_and_line, sorry,
3709 really_sorry, default_print_error_function, report_error_function,
3710 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3711 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3712 output_file_directive, botch): Likewise.
3714 * tree.h (make_decl_rtl): Likewise.
3716 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3717 make_decl_rtl): Likewise.
3719 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3721 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3722 directory logically rather than physically.
3724 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 * loop.c (insert_bct): Hide the definition of variables
3727 `increment_direction', `compare_direction', `add_iteration' and
3730 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3731 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3732 (mode_independent_operand): Mark label `lose' with
3733 ATTRIBUTE_UNUSED_LABEL.
3735 * regclass.c (n_occurrences): Remove prototype and definition.
3737 * reload.c (find_reloads_address_1): Mark variable `tem' with
3740 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3742 * sbitmap.c (sbitmap_copy): Likewise.
3744 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3746 * toplev.c (output_lang_identify): Mark prototype with
3749 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3750 (make_tree_vec): Likewise.
3753 * varasm.c (assemble_static_space): Mark variable `tem' with
3756 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3758 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3759 (install-common): Use it.
3760 (uninstall): Use it.
3761 (uninstall): Use correct names for protoize and unprotoize.
3763 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3764 Jeffrey A Law (law@cygnus.com)
3766 * flow.c (last_mem_set): Delete variable. References removed.
3767 (mem_set_list): New variable.
3768 (life_analysis): Initialize and finalize alias analysis.
3769 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3770 (insn_dead_p): For a store to memory, search the entire mem_set_list
3772 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3773 changes to their addresses. Add new entries to the mem_set_list for
3774 memory writes writes.
3775 (mark_used_regs): Kill entries on the mem_set_list which may be
3776 referenced by a load operation.
3778 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3780 * alias.c (base_alias_check): Add missing return for differing
3783 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3785 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3786 missing local symbols.
3788 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3790 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3792 * system.h (bcopy): Implement with memmove not memcpy.
3794 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3796 * Makefile.in (cppulp.o): Add dependencies.
3798 * i386.md (integer conditional moves): Add missing earlyclobbers.
3800 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3801 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3802 where a register is live.
3804 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3806 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3807 of a FP conditional move is not on the FP register stack.
3809 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3811 * version.c: Bump for snapshot.
3813 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3815 * reload1.c (reload_cse_regs_1): Do not call
3816 reload_cse_simplify_operands for an insn with asm operands.
3818 * cccp.c (print_help): Fix typos.
3819 * cpplib.c (print_help): Fix typos.
3820 * toplev.c (f_optiosn): Fix typos.
3821 (documented_lang_options): Fix typos.
3823 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3825 * gcc.c: (do_spec_1): Fix obvious typo.
3827 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3829 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3830 a non-static function declaration follows a static one.
3832 * invoke.texi (-Wtraditional): Document the extra check now done
3835 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3837 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3838 needed without the addition.
3840 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3842 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3844 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3846 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3848 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
3850 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3851 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3852 non_add_cint_operand, non_logical_cint_operand): Likewise.
3853 (get_issue_rate): Add CPU_PPC604E case.
3854 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3856 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3858 * expr.c (queued_subexp_p): Make public.
3859 * expr.h (queued_subexp_p): Declare it.
3860 * recog.c (asm_operand_ok): New function.
3861 (check_asm_operands): Use it. After reload, use constrain_operands
3863 * recog.h (asm_operand_ok): Declare it.
3864 * stmt.c (expand_asm_operands): Use it to try harder to make
3865 asms initially satisfy their constraints.
3867 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3869 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3870 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3872 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3874 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3875 in delay slot of RPTBD.
3877 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3879 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3880 divide and modulo sign problem.
3882 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3884 * unroll.c (loop_iterations): Return 0 if the last loop insn
3885 is not a jump insn or if the loop has multiple back edges.
3887 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3889 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3890 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3892 * configure: Regenerate using autoconf.
3894 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3896 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3898 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3899 a register with another DEST_ADDR giv if the address is not valid.
3901 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3902 around the call to mcount.
3904 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3906 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3907 generating non-canonical rtl.
3909 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3911 * config/i960/i960.c (i960_output_move_double_zero,
3912 i960_output_move_quad_zero): New functions for moving zeros.
3913 (i960_output_move_double, i960_output_move_quad): Additional code
3914 for situation when moving unaligned register group.
3916 * config/i960/i960.h (i960_output_move_double_zero,
3917 i960_output_move_quad_zero): The function definitions.
3919 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3921 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3923 * config/i960/i960.c (i960_function_prologue): New code (optimal
3924 solution) for saving global registers in local registers.
3925 (form_reg_groups, reg_group_compare, split_reg_group): New
3926 functions used by the code.
3927 (reg_group): New structure definition for the new code.
3929 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3931 * fixinc/fixincl.c (create_file): Pass file creation mask as
3932 third parameter to "open". Use O_TRUNC flag to open instead of
3933 explicitly unlink'ing the file.
3934 (process): and forget about the "chmod" stuff.
3936 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3938 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3939 and substitute. Copy the return value from there into a new pseudo.
3941 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3943 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3944 before generating a call to abort for volatile functions.
3945 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3946 (TARGET_ABORT_NORETURN): Define.
3947 (abort-on-noreturn): New option.
3949 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3951 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3952 and binarycc operations in 3rd annulled delay slot!
3954 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3956 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3957 before generating a call to abort for volatile functions.
3958 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3959 (TARGET_ABORT_NORETURN): Define.
3960 (abort-on-noreturn): New option.
3962 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3964 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3965 Remove prototype which we get from libiberty.h.
3967 * collect2.c (xstrdup): Likewise.
3969 * genextract.c (xstrdup): Likewise for `copystr'.
3970 (mybzero): Remove it and use `memset' instead.
3972 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3973 to use `memcpy' and `memset' instead.
3975 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3976 changed. Remove prototype.
3977 (mybcopy, mybzero): Remove these and use memcpy/memset.
3979 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3981 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3982 generating code for TARGET_64BIT.
3984 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
3986 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3987 HOST_WIDE_INT word-size.
3988 (rs6000_stack_info): Remove redundant alignment of fpmem.
3990 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3992 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3993 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3994 (input_operand): Adjust CONSTANT_P_RTX handling.
3995 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3996 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3997 (movhi, movqi): Remove CONSANT_P_RTX handling.
3998 (movdi): Adjust CONSTANT_P_RTX handling.
4000 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
4002 * configure: Regenerate using autoconf.
4004 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
4005 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
4006 (process): "fchmod" isn't available on all systems, use "chmod"
4008 * fixinc/server.c: Add #include <sys/types.h>.
4009 (STDIN_FILENO): Add default definition if no include file defines
4011 (STDOUT_FILENO): Likewise.
4013 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
4015 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
4017 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
4019 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4020 ensure all prototypes necessary for building libio will be available.
4021 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
4022 definitions here as they are not host specific.
4023 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
4025 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
4027 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
4029 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
4031 * version.c: Bump for snapshot.
4033 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
4035 * rtl.c (rtx_alloc): Use memset instead of inline loop.
4037 * recog.h (recog_op_alt): Declare extern.
4039 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
4041 * function.c (purge_addressof_1): If the note accesses a mem+addressof
4042 in a wider mode than any replacement, adjust the cached replacement.
4043 Cache trivial substitutions as well.
4045 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
4047 * Makefile.in (OBJECTS): Add sbitmap.o.
4048 (BASIC_BLOCK_H): Add sbitmap.h.
4049 * basic-block.h: Move simple bitmap code to sbitmap.h.
4050 * flow.c: Move simple bitmap code to sbitmap.c
4051 * sbitmap.h, sbitmap.c: New files.
4053 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
4055 * alpha.h (TARGET_SWITCHES): Document switches.
4056 (TARGET_OPTIONS): Likewise.
4058 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
4060 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
4062 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
4064 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
4066 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
4067 (basic_block_end): Rename to x_basic_block_end.
4068 (BLOCK_HEAD, BLOCK_END): Update.
4070 * caller-save.c: Change basic_block_head/end references to
4072 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
4073 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
4074 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
4076 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4078 * gcc.c (xstrerror): Renamed from my_strerror. All callers
4079 changed. Remove prototype since we get that from libiberty.h.
4081 * protoize.c (xstrerror): Likewise.
4083 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4085 * gcc.c (read_specs): Ensure format specifiers match their arguments.
4087 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
4089 * tree.c (copy_node): Oops. That would be copy not zero
4090 in that last change.
4092 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4094 * config/c4x/c4x.c: Include system.h.
4095 (c4x_caller_save_map): Disable caller save for RC.
4096 (c4x_optimization_options): Disable scheduling before reload.
4097 (valid_parallel_load_store) : Define return type as int.
4098 Remove unused variable regs.
4099 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
4101 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
4103 (*db, decrement_and_branch_until_zero): Fix up constraints
4104 to keep reload happy.
4106 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
4108 * tree.c (make_node): Call bzero instead of inline clear.
4109 (copy_node, make_tree_vec, build1): Likewise.
4110 (get_identifier): Call strlen instead of inline count.
4111 (maybe_get_identifier): Likewise.
4113 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4115 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
4116 operations in 3rd annulled delay slot.
4117 (*lshrqi3_const_set): Disallow c constraint for operand0.
4118 (modhi3+1, modhi3+2): Set attribute type to multi.
4119 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
4122 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * gansidecl.h: Allow attribute unused on labels only when we are
4125 version 2.93 or higher. Not all versions of 2.92 have this feature.
4127 * version.c: Bump minor number to 93.
4129 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4131 * config/m68k/m68k.h: Declare output_function_epilogue.
4132 * recog.h: Declare next_insn_tests_no_inequality.
4134 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
4136 * stmt.c (optimize_tail_recursion): New function, extracted from ...
4137 (expand_return): Use optimize_tail_recursion.
4138 * tree.h (optimize_tail_recursion): Declare.
4140 * toplev.c (compile_file): Move call to output_func_start_profiler
4141 to after the loop to emit deferred functions.
4143 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4145 * system.h (abort): Supply more detailed information on how to
4146 report an Internal Compiler Error.
4148 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
4150 * fixinc/fixincl.c (*): more decapitalization of variables
4151 plus some explanitory comments
4153 * fixinc/Makefile.in fixinc/mkfixinc.sh:
4154 When the fixincl program does not work for a certain system,
4155 we substitute a shell script. Added user commentary when
4158 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
4160 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4161 allocate memory that will live beyond this function.
4162 (expand_call): Free it here.
4164 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
4166 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
4167 integer data not destined for fp regs.
4168 (LEGITIMIZE_RELOAD_ADDRESS): New.
4170 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
4171 Richard Henderson <rth@cygnus.com>
4173 Support for Hypersparc and Sparclite86x:
4174 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
4175 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
4176 (ASM_CPU32_DEFAULT_SPEC): Likewise.
4177 (TARGET_CPU_DEFAULT): Likewise.
4178 (enum processor_type): Likewise.
4179 (CPP_ENDIAN_SPEC): Handle little endian data.
4180 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
4181 (ADJUST_COST): Call sparc_adjust_cost.
4182 * sparc.c (sparc_override_options): Fix up for the new targets.
4183 (supersparc_adjust_cost): Make static.
4184 (hypersparc_adjust_cost): New.
4185 (ultrasparc_adjust_cost): Make static.
4186 (sparc_adjust_cost): New.
4187 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
4188 (function_unit): Add hypersparc scheduling rules.
4190 * configure.in (with_cpu handler): Recognize hypersparc.
4192 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4194 * config/c4x/c4x.c: Added space after negation operator.
4195 * config/c4x/c4x.h: Likewise.
4196 * config/c4x/c4x.md: Likewise.
4198 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4200 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4202 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4204 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4205 when a test can't be performed due to limited width of
4206 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4207 Fix UDIV case for cases where the first operand has the highest bit
4210 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4212 * pa.h (reg_class): Add FPUPPER_REGS.
4213 (REG_CLASS_NAMES): Similarly.
4214 (REG_CLASS_CONTENTS): Similarly
4215 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4216 (FP_REG_CLASS_P): Likewise.
4217 (REG_CLASS_FROM_LETTER): Similarly.
4218 (CLASS_MAX_NREGS): Similarly.
4220 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4222 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4223 for a typedef of bool. Make sure to have a copy of the file is
4224 in place before we look to fix it. Fix typo in variable name to
4227 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4229 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4230 value_mode for the return mode.
4232 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4234 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4235 debugging as default.
4237 * config/tm-dwarf2.h: New file.
4239 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4241 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4243 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4244 * local-alloc.c (update_equiv_regs): Corresponding changes.
4245 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4247 * calls.c (special_function_p): Push alloca test inside the large
4248 conditional which excludes functions not at file scope or not
4251 * calls.c (special_function_p): New function broken out of
4253 (precompute_register_parameters): Likewise.
4254 (store_one_arg): Likewise.
4255 (store_unaligned_argumetns_into_pseudos): Likewise.
4256 (save_fixed_argument_area): Likewise.
4257 (restore_fixed_argument_area): Likewise.
4258 (expand_call): Corresponding changes.
4260 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4262 * config/c4x/c4x.md (addqi3): If the destination operand is
4263 a hard register other than an extended precision register,
4264 emit addqi3_noclobber.
4265 (*addqi3_noclobber_reload): New pattern added so that reload
4266 will recognise a store of a pseudo, equivalent to the sum
4267 of the frame pointer and a constant, as an add insn.
4269 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4271 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4272 fixinc/server.c: Likewise.
4273 fixinc/server.h: Likewise.
4275 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4277 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4279 (const_sint32_operand): Likewise.
4281 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4283 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4284 is a macro when deciding if we can use `jmp_buf' in prototypes.
4286 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4288 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4289 * configure: Rebuilt.
4290 * i386/xm-go32.h: Define LIBSTDCXX.
4292 * i386/go32.h (MD_EXEC_PREFIX): Define.
4293 (FILE_NAME_ABSOLUTE_P): Define.
4294 (LINK_COMMAND_SPEC): Define.
4296 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4298 * expr.c (store_expr): If the lhs is a memory location pointed
4299 to be a postincremented (or postdecremented) pointer, always
4300 force the rhs to be evaluated into a pseudo.
4302 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4304 * real.c (mtherr): Print more reasonable warning messages.
4306 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4308 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4310 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4311 (new_include_prefix): Constify char* parameters.
4313 * cppfiles.c (read_name_map): Likewise.
4314 (append_include_chain): Likewise. Also, use a writable char* copy
4315 of parameter `dir' which we then modify, rather than using the
4316 parameter itself to store the new writable string.
4317 (remap_filename): Constify some variables. Also, use a writable
4318 char* to store an allocated string which we will be modifying.
4320 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4321 (cpp_start_read): Constify variable `str'.
4323 * cpplib.h (append_include_chain): Constify a char* parameter.
4325 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4326 (add_prefix, save_string): Constify char* parameters.
4327 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4329 * prefix.c: Include prefix.h.
4330 (get_key_value, translate_name, save_string, update_path,
4331 set_std_prefix): Constify various char* parameters and variables.
4332 (save_string): Use xmalloc, not malloc.
4333 (translate_name): Use a writable temporary variable to create and
4334 modify a string before setting it to a const char*.
4336 * prefix.h: New file to prototype functions exported from prefix.c.
4338 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4340 * fixinc/fixincl.c (various): added debug code so
4341 Manfred can trace the processing.
4343 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4344 struct utsname on Ultrix V4.[35].
4346 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4348 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4350 * cpplib.c (skip_if_group): Split out the logic that handles
4351 directive recognition to its own function. Don't use
4352 parse markers; use a bare pointer into the buffer. Use
4353 copy/skip_rest_of_line instead of doing it by hand. Remove
4354 `return on any directive' mode which was never used, and take
4356 (consider_directive_while_skipping): New function, subroutine
4357 of skip_if_group. Logic streamlined a bit.
4358 (conditional_skip, do_elif, do_else): Call skip_if_group with
4361 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4363 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4366 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4368 * extend.texi (Bound member functions): Document.
4370 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4372 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4373 lang_to_string, type_to_string): Make return type const char*.
4374 (print_symbol): Apply `const' keyword to a char*.
4375 (print_file_desc): Cast structure member `crfd' to ulong when
4376 comparing against one.
4378 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4379 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4380 (progname, input_name): Apply `const' keyword to a char*.
4381 Don't redundantly include sys/stat.h.
4382 (alloc_info): Apply `const' keyword to a char*.
4383 (st_to_string, sc_to_string): Likewise.
4384 (hash_string): Cast variable `hash_string' to a symint_t when
4385 comparing against one.
4386 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4387 Likewise cast it to long when comparing against one.
4388 (add_local_symbol): Apply `const' keyword to a char*.
4389 (add_ext_symbol): Likewise.
4390 (add_unknown_tag): Likewise.
4391 (add_procedure): Cast a printf-style field width to an int.
4392 (add_file): Cast PAGE_USIZE to long when comparing against one
4393 (parse_begin): Cast a printf-style field width to an int.
4394 (parse_bend): Likewise.
4395 (parse_def): Likewise.
4396 (parse_end): Likewise.
4397 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4398 (parse_stabs_common): Fix format specifier.
4399 (parse_input): Change type of variable `i' to Size_t.
4400 (write_object): Fix arguments to match format specifiers.
4401 Cast variable `num_write' to long when comparing against one.
4402 (read_seek): Cast variable `sys_read' to symint_t when comparing
4403 against one. Fix arguments to match format specifiers. Cast
4404 variable `size' to long when comparing against one.
4405 (copy_object): Cast result of `sizeof' to int when comparing
4406 against one. Fix arguments to match format specifiers. Cast
4407 variable `ifd' to long when comparing against a signed value.
4410 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4412 * c-common.c (decl_attributes): Allow applying attribute `unused'
4415 * c-parse.in (label): Parse attributes after a label, and call
4416 `decl_attributes' to handle them.
4418 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4420 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4421 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4423 * invoke.texi: Note that labels can be marked `unused'.
4425 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4427 * version.c: Bump for snapshot.
4429 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4431 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4432 RTL for a compare/jump sequence.
4434 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4436 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4437 for a target with HAVE_cc0 defined.
4438 (emit_cmp_and_jump_insns): New function.
4439 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4440 * loop.c (check_dbra_loop): Use it to replace calls
4441 to emit_cmp_insn and emit_jump_insn and to canonicalise
4442 the comparison if necessary.
4443 * unroll.c (unroll_loop): Likewise.
4445 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4447 * fixincludes (sys/utsname.h): Provide forward declaration of
4448 struct utsname on Ultrix V4.[35].
4450 * mips.md (div_trap): Use local labels instead of dot-relative
4453 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4455 * pa.md (branch, negated branch): Handle (const_int 0) as first
4457 * pa.c (output_cbranch): Likewise.
4459 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4461 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4464 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4466 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4468 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4470 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4472 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4474 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4475 (adddi_dishl32): Similarly.
4477 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4478 for each insn in the skipped block.
4480 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4481 constraints after replacing a register address with an autoincrement
4482 address for reload inheritance purposes.
4484 * i386.md (doubleword shifts): Avoid namespace pollution.
4486 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4488 * configure.in (FreeBSD ELF): Needs special crt files.
4490 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4492 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4494 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4496 * loop.c (check_dbra_loop): While reversing the loop, if the
4497 comparison value has a VOID mode use the mode of the other operand
4498 to compute the mask.
4500 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4502 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4503 avoid warnings in compiling explow.c.
4505 (patch from Ken Raeburn, raeburn@cygnus.com)
4506 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4507 fpmem_offset. Compute total size after that, and then
4508 rs6000_fpmem_offset using both values.
4510 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4512 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4513 the future; indeed that already happens in some cases.
4515 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4517 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4518 (arith_operand): Remove constant_p_rtx handling.
4519 (const64_operand, const64_high_operand): Likewise.
4520 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4521 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4522 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4523 * sparc.h (PREDICATE_CODES): Likewise.
4525 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4527 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4529 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4530 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4531 consider constant CONSTRUCTOR constant and to defer some cases
4533 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4534 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4536 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4538 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4539 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4541 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4542 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4543 (sext_add_operand, and_operand, or_operand): Likewise.
4544 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4545 * alpha.h (PREDICATE_CODES): Likewise.
4547 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4549 * version.c: Bump for snapshot.
4551 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4553 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4554 of dangerous casts and stores.
4556 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4558 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4560 * alpha.md (builtin_longjmp): Add missing "DONE".
4562 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4564 * gcc.c (execute): Enable -pipe with win32.
4566 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4568 * config/arm/t-arm-elf: Add multiplib option for leading
4571 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4572 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4574 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4575 than variable 'reload_address_base_reg_class'. [Note this
4576 change is unrelated to the others in this patch].
4578 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4581 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4583 * alias.c (record_alias_subset): Remove ignored `&'.
4584 (init_alias_once): Likewise.
4586 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4588 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4589 fwrite to `int' when comparing against one.
4591 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4592 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4594 * cse.c (rehash_using_reg): Change type of variable `i' to
4597 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4598 assigning it to one.
4600 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4602 * final.c (final_scan_insn): Likewise for variable `i'.
4603 (output_asm_insn): Cast a char to unsigned char when used as an
4606 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4607 assigning it to one.
4609 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4611 * recog.c (preprocess_constraints): Cast a char to unsigned char
4612 when used as an array index.
4614 * regmove.c (find_matches): Likewise.
4616 * reload1.c (calculate_needs): Add default case in switch.
4617 (eliminate_regs_in_insn): Initialize variable `offset'.
4618 (set_offsets_for_label): Change type of variable `i' to unsigned.
4619 (reload_as_needed): Wrap variable `i' in macro check on
4620 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4622 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4623 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4624 when comparing against one.
4626 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4627 unsigned when comparing against one. Likewise for
4628 GET_MODE_ALIGNMENT().
4629 (layout_record): Cast record_align to int when comparing against a
4631 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4634 * tree.c (get_identifier): Cast variable `len' to unsigned when
4635 comparing against one.
4636 (maybe_get_identifier): Likewise
4638 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4640 * toplev.c (rest_of_compilation): Do not set reload_completed.
4641 * reload1.c (reload): Set reload_completed before calling
4642 cleanup_subreg_operands.
4644 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4646 * reload1.c (emit_reload_insns): Check `set' not null before use.
4648 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4650 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4653 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4655 * halfpic.c (half_pic_encode): Delete redundant code.
4657 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4659 * toplev.c (main): Delete handling of -dM as a preprocessor
4662 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4664 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4665 -dI, which are handled by the preprocessor.
4667 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4669 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4670 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4672 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4674 * version.c: Bump for snapshot.
4676 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4678 * version.c: Bump for snapshot.
4680 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4682 * version.c: Bump for snapshot.
4684 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4686 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4688 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4689 write_unit_name, write_eligible_delay, expand_units,
4690 make_length_attrs, write_attr_case, find_attr,
4691 make_internal_attr): Likewise.
4692 * gencheck.c (tree_codes): Likewise.
4693 * gencodes.c (fatal): Likewise.
4694 * genconfig.c (fatal): Likewise.
4695 * genemit.c (fatal): Likewise.
4696 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4697 * genflags.c (fatal): Likewise.
4698 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4699 * genoutput.c (fatal, error, predicates): Likewise.
4700 * genpeep.c (fatal): Likewise.
4701 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4702 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4704 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4706 * configure.in (with-fast-fixincludes): Fix whitespace.
4707 * configure: Rebuilt.
4709 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4710 asm() etc. function declarations in __DECC.
4712 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4714 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4715 is a pseudo register.
4717 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4719 * gcse.c: Include expr.h in order to get the prototype for
4720 get_condition() which is used in delete_null_pointer_checks().
4722 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4724 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4726 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4728 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4729 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4731 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4733 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4736 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4738 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4739 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4740 optimizations from the combiner.
4742 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4744 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4746 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4748 * toplev.c (main): Disable optimize_size if a specific
4749 optimization level is requested. Always set optimization
4750 level to 2 if -Os is specified.
4752 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4754 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4756 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4757 initialize it using fname.
4759 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4761 * cpplib.c (do_include): Treat #include_next in the
4762 primary source file as #include plus warning. Treat
4763 #include_next in a file included by absolute path as an
4764 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4766 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4768 * cccp.c: Don't define MIN/MAX anymore.
4769 * cpplib.c: Likewise.
4770 * machmode.h: Likewise.
4771 * system.h: Provide definitions for MIN/MAX.
4773 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4775 * fix-header.c: Don't define xstrdup here.
4777 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4779 * loop.c (consec_sets_giv): New argument last_consec_insn.
4780 (strength_reduce): Provide / use it.
4782 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4784 * loop.h (loop_info): New field 'vtop'.
4785 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4786 scanning loop for vtop.
4787 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4788 (loop_iterations): Use them to determine if loop has a constant
4789 number of iterations. Set loop_info->vtop. Don't subtract
4790 common reg term from initial_value and final_value if have a
4793 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4795 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4797 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4799 * mn10200.md (abssf2, negsf2): New expanders.
4801 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4803 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4805 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4806 replaced by a CONCAT whoes components do not have the same
4807 mode as the original SUBREG, use a new SUBREG to restore the
4810 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4811 multiword complex values.
4813 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4815 * cppalloc.c: Add xstrdup here.
4816 * cpplib.h: Remove savestring prototype.
4817 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4819 * cppfiles.c: s/savestring/xstrdup/ throughout.
4821 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4823 * cpplib.c: Make all directive handlers read their own
4825 (struct directive): Remove last two arguments from FUNC
4826 member prototype. Remove `command_reads_line' member
4828 (directive_table): Remove initializations of
4829 command_reads_line flag. Pretty-print.
4830 (eval_if_expression, do_define, do_line, do_include,
4831 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4832 do_else, do_elif, do_sccs, do_assert, do_unassert,
4833 do_warning): Take only two args.
4835 (cpp_define): Call do_define with two args and the text to
4836 define stuffed into a buffer.
4837 (make_assertion): Call do_assert with two args.
4838 (handle_directive): Call do_line with two args. Call
4839 kt->func with two args. Remove command_reads_line
4841 (do_define, do_undef, do_error, do_warning, do_pragma,
4842 do_sccs): Read the rest of the line here.
4843 (do_ident): Gobble rest of line, as cccp does.
4844 (cpp_undef): New function.
4845 (cpp_start_read): Call cpp_undef instead of do_undef.
4847 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4849 * cpphash.h (union hash_value): Remove `keydef' member, add a
4850 `struct hashnode *aschain' member for #assert.
4852 * cpplib.c (struct tokenlist_list, struct
4853 assertion_hashnode): Delete structure definitions.
4854 (assertion_install, assertion_lookup, delete_assertion,
4855 check_assertion, compare_token_lists, reverse_token_list,
4856 read_token_list, free_token_list): Delete functions.
4857 (parse_assertion): New function.
4858 (cpp_cleanup): Don't destroy the assertion_hashtable.
4860 (do_assert): Gut and rewrite. #assert foo (bar) places
4861 entries for `#foo' and `#foo(bar)' in the macro hash table,
4862 type T_ASSERT. The value union's `aschain' member is used
4863 to chain all answers for a given predicate together.
4864 (do_unassert): Also rewritten. Take an un-asserted
4865 answer off the chain from its predicate and call
4866 delete_macro on the hashnode, or walk a predicate chain
4867 calling delete_macro on all the entries.
4868 (cpp_read_check_assertion): Simply call parse_assertion to
4869 get the canonical assertion name, and look that up in the
4872 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4875 * cpphash.c (install): Use bcopy instead of an explicit loop
4876 to copy the macro name.
4878 * cppexp.c (cpp_lex): Convert the result of
4879 cpp_read_check_assertion to a `struct operation' directly;
4880 don't go through parse_number.
4882 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4884 * loop.h (struct induction): Delete times_used member.
4885 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4886 (n_times_used): Rename to n_times_set. Changed all users.
4887 (scan_loop): Free reg_single_usage before strength reduction.
4888 (record_giv, combine_givs): Remove handling of times_used member.
4889 (combine_givs_used_once): Rename to:
4890 (combine_givs_used_by_other) . Changed all callers.
4892 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4894 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4895 instead of TREE_CODE_CLASS == 't'.
4896 (gen_type_die): Likewise.
4897 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4899 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4901 * real.c (endian): Disable last change unless
4902 HOST_BITS_PER_WIDE_INT is greater than 32.
4904 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4906 * output.h (force_data_section): New prototype.
4907 * varasm.c (force_data_section): New function to force the
4908 data section, regardless of what in_section thinks.
4909 * dwarf2out.c (output_call_frame_info): Call force_data_section
4910 since varasm may not realize we've changes sections.
4912 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4914 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4915 after completeing reload.
4917 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4918 deleted after reload.
4920 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4922 * rtl.h (multiple_sets): Fix prototype.
4923 * rtlanal.c (multiple_sets): Fix return type.
4925 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4927 * version.c: Bump for snapshot.
4929 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4931 * version.c: Bump for snapshot.
4933 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4935 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4937 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4939 * rtl.h (recompute_reg_usage): Add second argument.
4940 * flow.c (recompute_reg_usage): Likewise.
4941 * toplev.c (rest_of_compilation): Supply second argument to
4942 recompute_reg_usage.
4944 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4947 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4949 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4950 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4951 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4954 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4956 * rtlanal.c (multiple_sets): New function.
4957 * rtl.h (multiple_sets): Declare it.
4958 * local-alloc.c (wipe_dead_reg): Use it.
4959 * global.c (global_conflicts): Likewise.
4961 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4963 * global.c (record_conflicts): Don't use an array of shorts to
4964 store an array of ints.
4965 (global_conflicts): Likewise.
4967 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4969 * alpha.c (alpha_expand_block_move): mode_for_size expects
4970 bits, not bytes. Infer extra alignment from addressof.
4972 1998-12-11 Michael Meissner <meissner@cygnus.com>
4974 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4975 .sbss section, not .sdata.
4977 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4979 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4981 * collect2.c: Likewise.
4982 * cpplib.h: Likewise.
4985 * getpwd.c: Likewise.
4986 * protoize.c: Likewise.
4987 * toplev.c: Likewise.
4989 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4990 and don't try to define it here.
4991 * Makefile.in (cppmain.o): Depend on machmode.h.
4992 (cpplib.o): Likewise.
4993 (cpperror.o): Likewise.
4994 (cppexp.o): Likewise.
4995 (cppfiles.o): Likewise.
4996 (cpphash.o): Likewise.
4997 (cppalloc.o): Likewise.
4998 (fix-header.o): Likewise.
4999 (scan-decls.o): Likewise.
5001 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
5003 * sh.c (print_operand): lookup interrupt_handler attribute instead
5004 of relying on static variable.
5005 * (calc_live_regs): Likewise.
5006 * (sh_pragma_insert_attributes): Create interrupt_handler
5007 attribute if a pragma was specified
5008 * (sh_valid_machine_decl_attribute): Don't set static flag.
5009 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
5011 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5013 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
5014 to determine if a register is live at a jump destination.
5015 Everything is dead at a BARRIER.
5017 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
5019 * cse.c (simplify_unary_operation): Sign-extend constants when
5020 they have the most significant bit set for the target.
5021 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
5023 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
5024 HOST_WIDE_INT temporary before negating it.
5025 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
5027 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
5029 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
5032 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5034 * collect2.h: New header file for prototypes.
5036 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
5038 * collect2.c: Include collect2.h.
5039 * tlink.c: Likewise.
5041 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
5043 * flow.c: Update some comments.
5045 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
5047 * objc/objc-act.c (cpp_initialized): Removed.
5048 (lang_init_options): Initialize cpplib.
5049 (lang_decode_option): Move initialization of cpplib to
5051 * c-lang.c: (parse_options,parse_in): Added.
5052 (lang_init_options): Initialized cpplib here.
5053 * c-decl.c (parse_options,cpp_initialized): Removed.
5054 (c_decode_option): Move initialization of cpplib to
5057 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5059 * reload1.c (reload_combine, reload_combine_note_store):
5060 Make STORE_RUID always valid.
5061 (reload_combine): Check if BASE is clobbered too early.
5063 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
5065 * reload.c (find_reloads): Display the insn that cannot be
5068 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
5070 * cccp.c (create_definition): Fix end of bufer logic.
5072 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
5075 pointer parameters changed to use the PARAMS() macro.
5077 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5079 * except.h (struct handler_info): Add handler_number field.
5080 * except.c (gen_exception_label): EH labels no longer need to be
5081 on the permanent obstack.
5082 (get_new_handler): Set the label number field.
5083 (output_exception_table_entry): Regenerate handler label reference
5084 from the label number field.
5085 (init_eh): Remove a blank line.
5086 * integrate.c (get_label_from_map): Labels no longer need to be
5087 on the permanent obstack.
5089 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
5091 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
5092 only when OUTER_CODE is SET.
5094 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5096 * loop.c (strength_reduce): If scan_start points to the loop exit
5097 test, be wary of subversive use of gotos inside expression statements.
5098 Don't set maybe_multiple for a backward jump that does not
5099 include the label under consideration into its range.
5100 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
5102 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5104 * explow.c (plus_constant_wide): Don't immediately return with
5105 result of recursive call.
5107 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5109 * eh-common.h (struct eh_context): Add table_index for rethrows.
5111 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
5112 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
5113 processed when inlined or unrolled (ie duplicated in some way).
5115 * rtl.c (reg_note_name): Add strings for new reg_note enums.
5117 * expr.h (rethrow_libfunc): New library decl.
5119 * optabs.c (rethrow_libfunc): Initialize.
5121 * except.h (struct eh_entry): Add new field 'rethrow_label'.
5122 (new_eh_region_entry): No longer exported from except.c.
5123 (duplicate_handlers): Renamed to duplicate_eh_handlers and
5124 different prototype.
5125 (rethrow_symbol_map, rethrow_used): New exported functions.
5126 (eh_region_from_symbol): New exported function.
5128 * except.c (create_rethrow_ref): New function to create a single
5129 SYMBOL_REF for a rethrow region.
5130 (push_eh_entry): Initialize a rethrow ref.
5131 (func_eh_entry): Add a rethrow_label field.
5132 (new_eh_region_entry): Make static, and initialize the rethrow entry.
5133 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
5134 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
5135 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
5136 a region into an appropriate new symbol.
5137 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
5138 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
5139 (end_catch_handler): Emit a barrier for new-exceptions since
5140 control can never drop through the end of a catch block.
5141 (expand_end_all_catch): new-exceptions never fall through a catch
5143 (expand_rethrow): use __rethrow routine for new exceptions.
5144 (output_exception_table_entry): Generate rethrow labels, if needed.
5145 (output_exception_table): Generate start and end rethrow labels.
5146 (init_eh): Create rethrow symbols for beginning and end of table.
5147 (scan_region): Don't eliminate EH regions which are the targets of
5150 * flow.c (make_edges): Add different edges for rethrow calls,
5151 identified by having the REG_EH_RETHROW reg label.
5152 (delete_unreachable_blocks): Don't delete regions markers which are
5153 the target of a rethrow.
5155 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
5156 allow save_for_inline_copying to call duplicate_eh_handlers.
5157 (save_for_inline_copying): Call duplicate_eh_handlers instead of
5158 exposing internal details of exception regions.
5159 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
5160 (expand_inline_function_eh_labelmap): New callback routine to
5161 allow expand_inline_function to call duplicate_eh_handlers.
5162 (expand_inline_function): Call duplicate_eh_handlers instead of
5163 exposing internal details of exception regions.
5164 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
5167 * libgcc2.c (find_exception_handler): Generalize to enable it to
5168 pick up processing where it left off last time for a rethrow.
5169 (__unwinding_cleanup): New function. debug hook which is called before
5170 unwinding when __throw finds there is nothing but cleanups left.
5171 (throw_helper): Common parts of __throw extracted out for reuse.
5172 (__throw): Common parts moved to throw_helper.
5173 (__rethrow): New function for performing rethrows.
5175 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
5177 * reload1.c (current_function_decl): Tweak declaration.
5179 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
5181 * c-decl.c (flag_isoc9x): Default off.
5182 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
5183 * cccp.c (print_help, main): Likewise.
5184 * gcc.c (default_compilers): Update for -std=gnu*.
5186 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
5188 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
5189 * demangle.h: Deleted.
5191 * reload1.c (current_function_decl): Declare.
5193 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5195 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5197 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5199 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5201 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5203 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5205 * configure: Rebuilt.
5206 * system.h: If the *_unlocked functions are available use them
5207 instead of the locked counterparts by defining macros.
5208 * config.in: Regenerated.
5210 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5212 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5213 wrong and should only be used for dump related things, not
5214 debugging information, instead main_input_filename should be used.
5215 Also, reuse output_file_directive if possible.
5216 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5217 * i386/isc.h (ASM_FILE_START): Likewise.
5218 * i386/win-nt.h (ASM_FILE_START): Likewise.
5219 * i386/sun386.h (ASM_FILE_START): Likewise.
5221 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5223 * configure.in (mips*-*-linux*): Handle big and little endian
5225 * configure: Rebuilt.
5227 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5229 * emit-rtl.c: Fix typo.
5231 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5233 * reload1.c (eliminate_regs): Don't do anything, if we're not
5236 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5238 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5240 * mips/mips.c (mips_select_section): Add comment.
5242 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5244 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5245 characters in file names in #line to be consistent with #include
5246 handling. We support escape prcessing in the # 1 "..." version of
5247 the command. See also support in cp/lex.c.
5248 (handle_directive): Likewise.
5249 (do_line): Likewise.
5251 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5253 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5254 so it'll work on non-ASCII platforms. Always consider $ an
5255 identifier character. Take no arguments.
5256 (cpp_reader_init): Call initialize_char_syntax with no
5258 (cpp_start_read): Don't call initialize_char_syntax again.
5259 Clear is_idchar['$'] and is_idstart['$'] if not
5260 opts->dollars_in_ident.
5262 * cpplib.h (struct cpp_reader): Replace void *data element by
5263 cpp_options *opts. Rearrange elements to make gdb printout
5264 less annoying (put buffer stack at end).
5265 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5267 * cppmain.c: s/data/opts/ when initializing cpp_reader
5269 * c-decl.c: Likewise.
5270 * objc/objc-act.c: Likewise.
5271 * fix-header.c: Likewise.
5273 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5275 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5276 with a struct file_name_list pointer.
5277 (struct cpp_reader): Add pointer to chain of `actual
5278 directory' include searchpath entries.
5279 (struct file_name_list): Add *alloc pointer for the sake of
5280 the actual-directory chain.
5282 Move definition of HOST_WIDE_INT here.
5283 (cpp_parse_escape): Change prototype to match changes in
5286 * cppfiles.c (actual_directory): New function.
5287 (finclude): Use it to initialize the buffer's actual_dir
5289 (find_include_file): We don't need to fix up max_include_len
5292 * cpplib.c (do_include): Don't allocate a file_name_list on
5293 the fly for current directory "" includes, use the one that's
5294 been preallocated in pfile->buffer->actual_dir. Hoist out
5295 duplicate code from the search_start selection logic.
5296 (cpp_reader_init): Initialize pfile->actual_dirs.
5298 Remove definition of HOST_WIDE_INT. Change calls
5299 to cpp_parse_escape to match changes in cppexp.c (note
5300 hardcoded MASK, which is safe since this is the source
5303 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5304 to handle wide character constants in #if directives. The
5305 function now returns a HOST_WIDE_INT, and takes a third
5306 argument which is a binary mask for all legal values (0x00ff
5307 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5308 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5309 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5311 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5313 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5315 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5317 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5318 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5319 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5321 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5323 * final.c (output_asm_name): Use tabs to seperate comments from
5326 Include instruction lengths (if defined) in output.
5328 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5330 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5331 in the loop_info structure.
5333 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5335 * configure.in: (arm*-*-ecos-elf): New target.
5336 * configure: Regenerated.
5337 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5338 * config/arm/ecos-elf.h: New file.
5339 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5342 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5344 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5346 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5348 * version.c: Bump for snapshot.
5350 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5352 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5355 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5357 * version.c: Bump for snapshot.
5359 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5361 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5362 compressed reports are ok and preferred over URLs
5364 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5366 * invoke.texi (Warning Options): Soften the tone of -pedantic
5368 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5370 * print-rtl.c (print_rtx): Add prototype.
5372 * unroll.c (iteration_info): Make it static.
5374 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5376 * alias.c (memrefs_conflict_p): A second ANDed address
5377 disables the aligned address optimization.
5379 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5381 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5384 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5386 * i960.h (BOOL_TYPE_SIZE): Define.
5388 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5390 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5391 from old valid_parallel_operands_4.
5392 (valid_parallel_operands_4): Check that operands for 4 operand
5393 parallel insns are valid, excluding load/store insns.
5394 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5395 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5396 valid_parallel_load_store instead of valid_parallel_operands_4.
5397 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5398 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5399 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5400 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5401 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5402 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5403 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5405 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5407 * config/c4x/c4x.c (iteration_info): Delete extern.
5409 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5411 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5413 * final.c (cleanup_subreg_operands): Delete some unused code.
5415 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5416 (struct insn_alternative): New structure definition.
5417 (recog_op_alt): Declare variable.
5418 (preprocess_constraints): Declare function.
5419 * recog.c (recog_op_alt): New variable.
5420 (extract_insn): Verify number of alternatives is in range.
5421 (preprocess_constraints): New function.
5422 * reg-stack.c: Include recog.h.
5423 (constrain_asm_operands): Delete.
5424 (get_asm_operand_lengths): Delete.
5425 (get_asm_operand_n_inputs): New function.
5426 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5427 N_OUTPUTS args. All callers changed.
5428 Compute number of inputs and outputs here by calling
5429 get_asm_operand_n_inputs.
5430 Instead of constrain_asm_operands, call extract_insn,
5431 constrain_operands and preprocess_constaints. Use information
5432 computed by these functions throughout.
5433 (record_reg_life): Delete code that is unused due to changes in
5434 record_asm_reg_life.
5435 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5436 N_INPUTS and N_OUTPUTS args. All callers changed.
5437 Similar changes as in record_asm_reg_life.
5438 (subst_stack_regs): Move n_operands declaration into the if statement
5440 Delete code that is unused due to changes in subst_asm_stack_regs.
5441 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5443 * Makefile.in (reg-stack.o): Depend on recog.h.
5445 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5447 * except.c (set_exception_version_code): Argument is an "int".
5449 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5451 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5452 * configure: Rebuilt.
5454 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5456 * configure.in (mipsel-*-linux*): New target.
5457 * mips/linux.h: New file, based on other Linux targets.
5459 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5461 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5462 runs in the context of the deleter, not the deletee, so we must
5463 use taskVarGet to find the correct memory to free.
5464 (__gthread_key_create): Initialize the task
5465 variable subsystem so that the task variable is still active when
5466 the delete hook is run.
5468 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5470 * pdp11.h: Use optimize_size for space optimizations.
5471 * pdp11.c: Likewise.
5472 * pdp11.md: Likewise.
5474 * pdp11.h (TARGET_40_PLUS): Fix typo.
5476 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5478 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5481 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5483 * alias.c (addr_side_effect_eval): New function.
5484 (memrefs_conflict_p): Use it.
5485 * rtl.h (addr_side_effect_eval): Prototype it.
5487 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5489 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5491 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5493 * reload.c (find_reloads): When force const to memory, put result
5494 in substed_operand not *recog_operand_loc.
5496 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5498 * c-lex.c: Fix indentation from last patch.
5499 Remove trailing whitespace.
5502 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5504 * flow.c (delete_block): Call set_last_insn after we have reset
5505 NEXT_INSN (kept_tail).
5507 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5509 * mips.md (trap_if): Use "$0" for the value zero.
5511 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5512 Stephen L Moshier <moshier@world.std.com>
5513 Richard Henderson <rth@cygnus.com>
5515 * c-common.c (declare_function_name): Declare predefinied variable
5518 * c-decl.c (flag_isoc9x): Set to 1 by default.
5519 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5520 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5522 * c-parse.in: Allow constructors in ISO C 9x.
5523 Rewrite designator list handling.
5524 Allow [*] parameters.
5525 Don't warn about comma at end of enum definition for ISO C 9x.
5527 * cccp.c (c9x): New variable.
5528 (rest_extension): New variable.
5529 (print_help): Document new -std= option.
5530 (main): Recognize -std= option. Set c9x appropriately.
5531 (create_definition): Recognize ISO C 9x vararg macros.
5533 * gcc.c (default_compilers): Adjust specs for -std options.
5534 (option_map): Add --std.
5535 (display_help): Document -std.
5537 * toplev.c (documented_lang_options): Add -std and remove
5540 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5541 or REAL_VALUE_HTOF based on base of the constants.
5542 * fold-const.c (real_hex_to_f): New function. Replacement function
5543 for hex FP conversion if REAL_ARITHMETIC is not defined.
5544 * real.c (asctoeg): Add handling of hex FP constants.
5545 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5548 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5550 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5551 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5552 expansion. Use hi/lo as destination register.
5554 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5555 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5556 Avoid as macro expansion. Use hi/lo as destination register.
5558 * mips.h (MASK_CHECK_RANGE_DIV): New.
5559 (MASK_NO_CHECK_ZERO_DIV): New.
5560 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5561 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5562 return address for leaf functions out of r31 to support
5563 builtin_return_address.
5565 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5567 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5568 NEXT_INSN(x) to check insn x.
5570 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5572 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5573 last insn in the rtl chain.
5575 * reload1.c (reload): Do not set reload_completed or split insns
5577 * toplev.c (rest_of_compilation): Set reload_completed after
5578 reload returns. Split insns after reload_cse has run.
5580 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5582 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5584 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5586 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5588 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5590 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5591 use of user-label_prefix.
5593 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5595 * reload1.c (emit_reload_insns): Clear spill_reg_store
5596 when doing a new non-inherited reload from the same pseudo.
5598 * local-alloc.c (function_invariant_p): New function.
5599 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5600 to decide if an equivalence should be recorded.
5601 * reload1.c (num_eliminable_invariants): New static variable.
5602 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5603 to decide if an equivalence should be recorded.
5605 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5606 Take num_eliminable_invariants into account when deciding
5607 if register elimination should be done.
5608 (reload_as_needed): Take num_eliminable_invariants into account
5609 when deciding if register elimination should be done.
5610 (eliminate_regs): Handle non-constant reg_equiv_constant.
5611 * rtl.h (function_invariant_p): Declare.
5613 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5615 * version.c: Bump for snapshot.
5617 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5619 * version.c: Bump for snapshot.
5621 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5623 * except.c (add_new_handler): Complain about additional handlers
5624 after one that catches everything.
5626 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5628 * configure.in (alpha*-*-netbsd): Fix typo.
5629 * configure: Rebuilt.
5631 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5633 * system.h: Include libiberty.h.
5635 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5636 function `concat' from fixed parameters to variable parameters,
5637 as is done in libiberty. All callers of concat/concat3
5638 changed to use the new `concat' with variable args.
5640 * cccp.c: Remove things made redundant by libiberty.h and/or
5641 conform to libiberty standards.
5643 * collect2.c: Likewise.
5644 * config/1750a/1750a.h: Likewise.
5645 * cppalloc.c: Likewise.
5646 * cppexp.c: Likewise.
5647 * cppfiles.c: Likewise.
5648 * cpphash.c: Likewise.
5649 * cpplib.c: Likewise.
5650 * dyn-string.c: Likewise.
5651 * fix-header.c: Likewise.
5654 * genattr.c: Likewise.
5655 * genattrtab.c: Likewise.
5656 * gencheck.c: Likewise.
5657 * gencodes.c: Likewise.
5658 * genconfig.c: Likewise.
5659 * genemit.c: Likewise.
5660 * genextract.c: Likewise.
5661 * genflags.c: Likewise.
5662 * gengenrtl.c: Likewise.
5663 * genopinit.c: Likewise.
5664 * genoutput.c: Likewise.
5665 * genpeep.c: Likewise.
5666 * genrecog.c: Likewise.
5667 * getpwd.c: Likewise.
5668 * halfpic.c: Likewise.
5670 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5671 in NEED_DECLARATION_* macros.
5673 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5674 conform to libiberty standards.
5675 (fatal): Fix const-ification of variable `format' in
5676 !ANSI_PROTOTYPES case.
5678 * prefix.c: Remove things made redundant by libiberty.h and/or
5679 conform to libiberty standards.
5681 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5682 conflicting with function `spaces' from libiberty.
5684 * profile.c: Remove things made redundant by libiberty.h and/or
5685 conform to libiberty standards.
5686 * protoize.c: Likewise.
5689 * tlink.c: Likewise.
5690 * toplev.c: Likewise.
5691 * toplev.h: Likewise.
5694 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5696 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5698 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5700 * README.C4X: Updated URLs.
5701 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5702 (valid_parallel_operands_5): Remove unused variable.
5704 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5706 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5708 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5710 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5711 which can be configured.
5712 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5713 (Makefile): Pass actual LANGUAGES through the environment when
5715 (cstamp-h): Likewise.
5716 (config.status): Likewise.
5718 * configure.in (enable_languages): Add new configuration parameter
5719 "--enable-languages=lang1,lang2,...".
5720 (${srcdir}/*/config-lang.in): Change handling to configure only
5721 those directories, that the user might have enabled; default to
5722 "all" existing languages.
5723 * configure: Regenerate.
5725 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5727 * rtlanal.c (regs_set_between_p): New function.
5728 * rtl.h (regs_set_between_p): Prototype it.
5729 * jump.c (jump_optimize): Use it instead of modified_between_p
5730 in the Sep 2 change.
5732 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5733 Matthias Pfaller <leo@dachau.marco.de>
5735 * invoke.texi (Option Summary, NS32K Options): add description
5736 of NS32K specific options.
5738 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5739 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5740 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5741 negdf2, absdf2): Use l instead of f since the double class and
5742 float class are no longer the same.
5743 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5744 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5745 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5746 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5748 (cmpsi, cmphi, cmpqi): use general_operand instead of
5749 non_immediate_operand. Removes erroneous assumption that can't
5751 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5752 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5754 (movstrsi, movstrsi1, movstrsi2): completely new block move
5756 (...): Patterns to exploit multiply-add instructions.
5757 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5758 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5759 patterns to exploit extended divide insns.
5760 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5763 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5764 float return values as well as simple scalar floats.
5765 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5766 support new flag to denote 32381 fpu.
5767 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5768 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5770 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5771 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5772 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5773 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5774 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5775 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5776 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5777 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5778 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5779 fpu registers and special register classes for new 32381
5780 instructions dotf and polyf.
5781 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5783 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5784 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5786 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5787 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5788 (REGISTER_MOVE_COST): move code to register_move_cost function for
5789 ease of coding and debugging.
5790 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5791 LONG_FLOAT_REGO is likely spilled but not caught by default
5793 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5794 instead of hard coded numbers in range check.
5795 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5796 (...): Add prototypes for functions in ns32k.c but disable because
5797 of problems when ns32k.h is included in machine independant files.
5799 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5800 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5801 hard_regno_mode_ok, secondary_reload_class,
5802 print_operand, print_operand_address): new register scheme to
5803 include 32381 fpu registers and special register classes for new
5804 32381 instructions dotf and polyf.
5805 (gen_indexed_expr): Make static to keep namespace clean.
5806 (check_reg): remove since never called.
5807 (move_tail, expand_block_move): helper functions for "movstrsi"
5809 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5810 Increase cost of moves which go via memory.
5811 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5812 (CPP_PREDEFINES): nolonger predefine "unix".
5814 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5815 Remove erroneous %$. print_operand() can work out from the rtx is
5816 an immediate prefix is required.
5818 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5819 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5820 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5822 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5825 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5826 Correct handling of pic operands.
5827 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5828 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5829 -mrtd calling convention.
5831 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5833 * gcc.c (option_map): Recognize --output-class-directory.
5835 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5837 * loop.h (precondition_loop_p): Added new mode argument.
5838 * unroll.c (precondition_loop_p): Likewise.
5839 (approx_final_value): Function deleted and subsumed
5840 into loop_iterations.
5841 (loop_find_equiv_value): New function.
5842 (loop_iterations): Use loop_find_equiv_value to find increments
5843 too large to be immediate constants. Also use it to find terms
5844 common to initial and final iteration values that can be removed.
5846 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5848 * loop.h (struct loop_info): Define new structure.
5849 (precondition_loop_p): Added prototype.
5850 (unroll_loop): Added new argument loop_info to prototype.
5851 (final_biv_value, final_giv_value): Added new argument n_iterations
5853 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5854 and new pointer loop_info.
5855 (loop_n_iterations): Replace global variable by element in
5856 loop_info structure.
5857 (check_final_value): New argument n_iterations.
5858 (insert_bct): New argument loop_info.
5859 (loop_unroll_factor): Replace global array by element in
5860 loop_info structure.
5861 (loop_optimize): Remove code to allocate and initialise
5862 loop_unroll_factor_array.
5863 * unroll.c (precondition_loop_p): No longer static since
5864 used by branch on count optimization.
5865 (precondition_loop_p, unroll_loop): New argument loop_info.
5866 (final_biv_value, final_giv_value, find_splittable_regs): New
5867 argument n_iterations.
5868 (loop_iteration_var, loop_initial_value, loop_increment,
5869 loop_final_value, loop_comparison_code, loop_unroll_factor):
5870 Replaced global variables by loop_info structure.
5871 (loop_unroll_factor): Replace global array by element in
5872 loop_info structure.
5874 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5876 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5879 * unroll.c (precondition_loop_p): Return loop_initial_value
5880 for initial_value instead of loop_iteration_var.
5882 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5884 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5885 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5886 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5887 to output the instruction sequences.
5889 (rptb_top): Provide alternatives to use any register or memory
5891 (rptb_end): Emit use of operands rather than assigning them
5892 explicitly to the RS and RE registers.
5894 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5896 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5897 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5898 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5899 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5900 c4x_merge_notes, c4x_parallel_process,
5901 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5902 c4x_combine_parallel): Delete.
5904 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5906 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5907 with old target options clear flag_branch_on_count_reg if
5908 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5910 (c4x_output_cbranch): Handle a sequence of insns rather than a
5912 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5913 has not been allocated as the loop counter.
5914 (c4x_address_conflict): Do not allow two volatile memory references.
5915 (valid_parallel_operands_4, valid_parallel_operands_5,
5916 valid_parallel_operands_6): Reject pattern if the register destination
5917 of the first set is used as part of an address in the second set.
5919 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5921 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5922 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5923 is no longer enabled if PARALLEL_MPY_FLAG set.
5924 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5925 (REG_CLASS_CONTENTS): Add braces around initializers.
5926 (HAVE_MULTIPLE_PACK): Define.
5927 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5928 REAL_VALUE_TO_DECIMAL.
5929 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5930 REAL_VALUE_TO_DECIMAL.
5931 (ar0_reg_operand): Add prototype.
5932 (ar0_mem_operand): Likewise.
5933 (ar1_reg_operand): Likewise.
5934 (ar1_mem_operand): Likewise.
5935 (ar2_reg_operand): Likewise.
5936 (ar2_mem_operand): Likewise.
5937 (ar3_reg_operand): Likewise.
5938 (ar3_mem_operand): Likewise.
5939 (ar4_reg_operand): Likewise.
5940 (ar4_mem_operand): Likewise.
5941 (ar5_reg_operand): Likewise.
5942 (ar5_mem_operand): Likewise.
5943 (ar6_reg_operand): Likewise.
5944 (ar6_mem_operand): Likewise.
5945 (ar7_reg_operand): Likewise.
5946 (ar7_mem_operand): Likewise.
5947 (ir0_reg_operand): Likewise.
5948 (ir0_mem_operand): Likewise.
5949 (ir1_reg_operand): Likewise.
5950 (ir1_mem_operand): Likewise.
5951 (group1_reg_operand): Likewise.
5952 (group1_mem_operand): Likewise.
5953 (ir1_reg_operand): Likewise.
5954 (arx_reg_operand): Likewise.
5955 (not_rc_reg): Likewise.
5956 (not_modify_reg): Likewise.
5957 (c4x_group1_reg_operand): Remove prototype.
5958 (c4x_group1_mem_operand): Likewise.
5959 (c4x_arx_reg_operand): Likewise.
5961 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5963 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5964 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5966 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5968 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5971 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5973 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5974 unless FMOVD_WORKS is defined.
5976 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5978 * regclass.c (init_reg_sets): Move code that calculates tables
5979 dependent on reg_class_contents from here...
5980 (init_reg_sets_1): To here.
5982 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5984 * cpplib.h: Delete struct import_file. Add ihash element to
5985 struct cpp_buffer. Delete dont_repeat_files and
5986 import_hash_table elements from cpp_reader; change
5987 all_include_files to a hash table. Delete all foobar_include
5988 / last_foobar_include elements from struct cpp_options; put
5989 back four such: quote_include, bracket_include,
5990 system_include, after_include. Redo struct file_name_list
5991 completely. Add new structure type include_hash. Add
5992 prototypes for merge_include_chains and include_hash. Change
5993 prototypes for finclude, find_include_file, and
5994 append_include_chain to match changes below.
5996 * cppfiles.c (simplify_pathname, include_hash,
5997 remap_filename, merge_include_chains): New functions.
5998 (add_import, lookup_import, open_include_file): Removed.
5999 (INO_T_EQ): Define this (copied from cccp.c).
6000 (hack_vms_include_specification): Remove all calls and #if 0
6001 out the definition. It was being called incorrectly and at
6002 the wrong times. Until a VMSie can look at this, it's better
6003 to not pretend to support it.
6004 (append_include_chain): Change calling convention; now takes
6005 only one directory at a time, and sets up the data structure
6007 (redundant_include_p): Rewritten - this is now used for all
6008 include redundancy, whether by #ifndef, #import, or #pragma
6009 once. Looks up things in the include hash table.
6010 (file_cleanup): Decrement pfile->system_include_depth here if
6012 (find_include_file): Calling convention changed; now passes
6013 around a struct include_hash instead of 3 separate parameters.
6014 Guts ripped out and replaced with new include_hash mechanism.
6015 (finclude): Calling convention changed as for
6016 find_include_file. Error exits pulled out-of-line. Reformat.
6017 (safe_read): Return a long, not an int.
6018 (deps_output): Don't recurse.
6020 * cpplib.c (is_system_include): Deleted.
6021 (path_include): Fix up call to append_include_chain.
6022 (do_include): Fix up calls to find_include_file and finclude.
6023 Clean up dependency output a bit. Shorten obnoxiously lengthy
6024 #import warning message. Don't decrement
6025 pfile->system_include_depth here.
6026 (do_pragma): Understand the include_hash structure. Reformat.
6027 (do_endif): Correct handling of control macros. Understand
6029 (cpp_start_read): Fix up calls to finclude. Call
6030 merge_include_chains.
6031 (cpp_handle_option): Fix up calls to append_include_chain.
6032 Understand the four partial include chains.
6033 (cpp_finish): Add debugging code (#if 0-ed out) for the
6035 (cpp_cleanup): Free the include_hash, not the import hash and
6036 the all_include and dont_repeat lists which no longer exist.
6038 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
6040 * toplev.c (no_new_pseudos): Define.
6041 (rest_of_compilation): Set no_new_pseudos as needed.
6042 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
6043 if no_new_pseudos is set.
6044 * rtl.h (no_new_pseudos): Declare it.
6045 * reload1.c (reload): Update comments.
6046 * md.texi: Corresponding changes.
6048 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6050 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
6051 (choose_reload_regs): Rename it here as well. When computing it,
6052 also merge in used hardregs.
6054 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6056 * gcc.c: Split out Objective-C specs to...
6057 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
6060 * c-lex.c (init_parse): Always initialize the filename global.
6061 * objc/objc-act.c (lang_init): Always call check_newline at
6064 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
6066 * reload1.c (reload): Remove unused variable.
6067 (reload_reg_free_for_value_p): Add missing parameter definition.
6069 * jump.c (jump_optimize): Remove unused variable.
6071 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
6073 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
6075 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
6077 * expr.c (move_by_pieces): Similarly.
6078 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
6079 * flow.c (find_auto_inc): Similarly.
6080 (try_pre_increment): Similarly.
6081 * loop.c (strength_reduce): Similarly.
6082 * regclass.c (auto_inc_dec_reg_p): Similarly.
6083 * regmove.c (try_auto_increment): Similarly.
6084 (fixup_match_1): Similarly.
6085 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
6086 (HAVE_PRE_DECREMENT): Similarly.
6087 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
6088 * Corresponding changes to all target header files.
6089 * tm.texi: Update docs for autoinc addressing modes.
6091 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
6093 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
6094 * configure: Rebuild.
6095 * config/elfos.h: New file.
6096 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
6097 config/m68k/t-m68kelf: New file.
6099 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
6101 * Makefile.in (HOST_AR): Define.
6102 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
6103 (libcpp.a): Use the host tools explicitly.
6104 (STAGESTUFF): Add libcpp.a.
6106 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
6108 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
6109 to source and destination registers.
6111 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
6113 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
6114 The strategy we now use is to pre allocate the top_elt along
6115 with the EH context so that each thread has its own top_elt.
6116 This is necessary as the dynmanic cleanup chain is used on the
6117 top element of the stack and each thread MUST have its own.
6118 (eh_context_static): Likewise.
6119 (new_eh_context): Likewise.
6120 (__sjthrow): Likewise.
6122 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
6124 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
6125 * i386.md (prologue_get_pc): Remove unused variable.
6127 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
6129 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
6131 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
6133 * Makefile.in (OBJS): Add graph.o
6134 (graph.o): New dependency list.
6135 * flags.h: Declare dump_for_graph and define graph_dump_types type.
6136 * print-rtl.c (dump_for_graph): Define new variable.
6137 (print_rtx): Rewrite to allow use in graph dumping functions.
6138 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
6139 finish_graph_dump_file.
6140 Define graph_dump_format.
6141 (compile_file): If graph dumping is enabled also clear these files.
6142 Finish graph dump files.
6143 (rest_of_compilation): Also dump graph information if enabled.
6144 (main): Recognize -dv to enabled VCG based graph dumping.
6145 * graph.c: New file. Graph dumping functions.
6147 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
6149 * configure.in: Look for <sys/stat.h>.
6150 * system.h: Include it before substitute S_ISREG definitions.
6152 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
6154 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
6155 * config/mips/iris6.h: Same.
6156 * config/mips/mips.md: Same.
6157 * config/mips/mips.c: Same; also add "-mabi=o64" option.
6158 * config/mips/mips.h: Same; also define ABI_O64.
6160 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6162 * configure.in: Use AC_PREREQ(2.12.1).
6164 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6166 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
6167 * cpplib.c, gcc.c: Likewise.
6168 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
6170 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
6172 * local-alloc.c (local_alloc): Use malloc not alloca for
6173 reg_qty, reg_offset, ref_next_in_qty.
6175 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6177 * caller-save.c (insert_one_insn): Initialize the live_before and
6178 live_after register sets.
6182 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
6183 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
6184 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
6185 (fp_reg_names, assembler_dialect): New variables.
6186 (print_operand_address): Handle SUBREGs.
6187 (print_operand): Added 'o' case.
6188 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
6189 Name of FP registers depends on mode.
6190 (expand_block_move): Emit different code for SH4 hardware.
6191 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
6192 (from_compare): Likewise.
6193 (add_constant): New argument last_value. Changed all callers.
6194 (find_barrier): Don't try HImode load for FPUL_REG.
6195 (machine_dependent_reorg): Likewise.
6196 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6197 (gen_far_branch): Emit a barrier after the new jump.
6198 (barrier_align): Don't trust instruction lengths before
6200 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6201 Use auto-inc addressing for fp registers if doubles need to
6202 be loaded in two steps.
6203 Set sh_flag_remove_dead_before_cse.
6204 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6205 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6206 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6207 Support for FIRST_XD_REG .. LAST_XD_REG.
6208 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6209 (sh_expand_epilogue): Likewise.
6210 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6211 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6212 (arith_reg_operand): FPUL_REG is OK for SH4.
6213 (fp_arith_reg_operand, fp_extended_operand) New functions.
6214 (tertiary_reload_operand, fpscr_operand): Likewise.
6215 (commutative_float_operator, noncommutative_float_operator): Likewise.
6216 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6217 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6218 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6219 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6220 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6221 (CONDITIONAL_REGISTER_USAGE): Likewise.
6222 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6223 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6224 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6225 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6226 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6227 to -1 and sh_flag_remove_dead_before_cse to 1.
6228 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6229 (assembler_dialect, fp_reg_names): Declare.
6230 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6231 Hide names of registers that are not accessible.
6232 (CACHE_LOG): Take TARGET_CACHE32 into account.
6233 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6234 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6235 (FIRST_PSEUDO_REGISTER: Now 49.
6236 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6237 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6238 (HARD_REGNO_MODE_OK): Update.
6239 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6240 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6241 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6242 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6243 (NPARM_REGS): Eight floating point parameter registers on SH4.
6244 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6245 in floating point registers.
6246 (GET_SH_ARG_CLASS) Likewise.
6247 Complex float types are also returned in float registers.
6248 (BASE_ARG_REG): Complex float types are also passes in float registers.
6249 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6250 (LIBCALL_VALUE): Remove trailing semicolon.
6251 (ROUND_REG): Round when double precision value is passed in floating
6253 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6254 passed on the stack.
6255 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6256 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6257 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6258 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6259 (MODE_DISP_OK_8): Not for SH4 DFmode.
6260 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6261 Allow indexed addressing for PSImode after reload.
6262 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6263 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6264 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6265 (DOUBLE_TYPE_SIZE): 64 for SH4.
6266 (RTX_COSTS): Add PLUS case.
6267 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6268 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6269 MAC_REGS, PR_REGS, DF_REGS.
6270 (REGISTER_NAMES): Use fp_reg_names.
6271 (enum processor_type): Add PROCESSOR_SH4.
6272 (sh_flag_remove_dead_before_cse): Declare.
6273 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6274 (PREDICATE_CODES): Add binary_float_operator,
6275 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6276 fpscr_operand, noncommutative_float_operator.
6277 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6278 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6279 * sh.md (attribute cpu): Add value sh4.
6280 (attrbutes fmovd, issues): Define.
6281 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6282 (function units memory, int, mpy, fp): Make dependent on issue rate.
6283 (function units issue, single_issue, load_si, load): Define.
6284 (function units load_store, fdiv, gp_fpul): Define.
6285 (attribute hit_stack): Provide proper default.
6286 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6287 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6288 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6289 (mulsi3_call): Now uses match_operand for function address.
6290 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6292 (push, pop, push_e, pop_e): Now define_expands.
6293 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6294 (movsi_ie): Added y/i alternative.
6295 (ic_invalidate_line_i, movdf_i4): New insns.
6296 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6297 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6298 (movdf): Add special code for SH4.
6299 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6300 (call_valuei, calli, call_value): Likewise.
6301 (movsf): Emit no-op move.
6302 (mov_nop, movsi_y): New insns.
6303 (blt, sge): generalize to handle DFmode.
6304 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6305 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6306 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6307 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6308 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6309 (toggle_sz): New insn.
6310 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6311 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6312 (macsf3): Make use of fpscr visible. Disable for SH4.
6313 (floatsisf2): Make use of fpscr visible.
6314 (floatsisf2_i4): New insn.
6315 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6316 (ieee_ccmpeqsf_t): Likewise.
6317 (fix_truncsfsi2): Emit different code for SH4.
6318 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6319 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6320 (negsf2, sqrtsf2, abssf2): Now expanders.
6321 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6322 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6323 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6324 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6325 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6326 (fix_truncdfsi2_i4_2+1): New splitters.
6327 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6328 (extendsfdf2, truncdfsf2): New expanders.
6329 (truncdfsf2_i4): New insn.
6330 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6331 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6332 * float-sh.h: When testing for __SH3E__, also test for
6333 __SH4_SINGLE_ONLY__ .
6334 * va-sh.h (__va_freg): Define to float.
6335 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6336 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6337 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6338 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6340 (TARGET_SH4_P): Define.
6343 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6344 init_expr_once is satisfied about the existence of load / store insns.
6346 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6347 change m constraint in source operand to mr / mf .
6349 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6351 * (__VA_REEF): Define.
6352 (__va_arg_sh1): Use it.
6354 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6356 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6358 * i386/dgux.c (struct option): Add new "description field".
6359 * m88k/m88k.c (struct option): Likewise.
6361 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6363 * version.c: Bump for snapshot.
6365 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6367 * regmove.c (regmove_profitable_p): Use return value of find_matches
6370 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6372 * version.c: Bump for snapshot.
6374 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6376 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6377 without reload having been called earlier.
6379 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6381 (v850_reorg): Similarly.
6383 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6385 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6387 * loop.c (move_movables): Start of libcall might be new loop start.
6389 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6391 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6393 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6395 * function.c (nonlocal_goto_handler_slots): Renamed from
6396 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6397 (push_function_context_to): Adjust for this change.
6398 (pop_function_context_from): Likewise.
6399 (init_function_start): Likewise.
6400 (expand_function_end): Likewise.
6401 * function.h (struct function): Likewise.
6402 * calls.c (expand_call): Likewise.
6403 * explow.c (allocate_dynamic_stack_space): Likewise.
6404 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6405 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6407 (expand_goto): When doing a nonlocal goto, find corresponding handler
6408 slot for it. Don't put the label address in the static chain register.
6409 (expand_end_bindings): Break out nonlocal goto handling code into
6410 three new functions.
6411 (expand_nl_handler_label, expand_nl_goto_receiver,
6412 expand_nl_goto_receivers): New static functions, broken out of
6413 expand_end_bindings and adapted to create one handler per nonlocal
6415 * function.c (delete_handlers): Delete insn if it references any of
6416 the nonlocal goto handler slots.
6417 * i960.md (nonlocal_goto): Comment out code that modifies
6419 * sparc.md (nonlocal_goto): Likewise.
6420 (goto_handler_and_restore_v9): Comment out.
6421 (goto_handler_and_restore_v9_sp64): Comment out.
6423 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6425 * expr.c (STACK_BYTES): Delete unused macro.
6426 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6427 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6428 (expand_call): Likewise.
6429 (emit_library_call): Likewise.
6430 (emit_library_call_value): Likewise.
6431 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6432 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6433 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6434 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6435 (allocate_dynamic_stack_space): Likewise.
6436 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6437 (STACK_BOUNDARY): Update description to reflect the new situation.
6439 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6441 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6442 return with a filled delay slot is followed by a return with an
6443 unfilled delay slot, delete the first return and reemit the insn
6444 that was previously in its delay slot.
6446 * i860.c (single_insn_src_p): Add missing parens.
6447 * ginclude/math-3300.h: Likewise.
6449 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6451 * regclass.c (init_reg_sets_1): Add prototype.
6452 (init_reg_modes): Likewise.
6454 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6456 * c-common.c: Change warning messages to say `comparison is
6457 always true' or `comparison is always false' instead of the
6458 confusing `is always 0', `is always 1'.
6460 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6462 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6463 break instead of return (which loses closing '>').
6465 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6467 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6468 standard 387 constants.
6470 * i386.md (jump): Explicitly set "memory" attribute.
6471 (indirect_jump, prologue_set_stack_ptr): Likewise.
6472 (prologue_get_pc_and_set_got, pop): Likewise.
6473 (allocate_stack_worder, blockage, return_internal): Likewise.
6474 (return_pop_internal, nop): Likewise.
6475 (epilogue_set_stack_ptr, leave): Likewise.
6477 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6479 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6481 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6483 * reload1.c (reload_reg_free_for_value_p):
6484 Early auto_inc reloads don't conflict with outputs.
6486 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6488 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6489 Instead call AC_HEADER_SYS_WAIT.
6491 * collect2.c: Don't provide defaults for sys/wait.h macros.
6493 * protoize.c: Likewise. Also, don't include sys/wait.h.
6495 * system.h: Include sys/wait.h and provide macro defaults.
6497 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6499 * Makefile.in (mandir): Set to @mandir@.
6500 (man1dir): New variable to hold the former value of $(mandir).
6501 Replace all uses of $(mandir) by $(man1dir).
6503 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6505 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6506 a new one before passing it to force_const_mem.
6508 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6509 find_reloads_address call.
6511 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6513 * expr.c (store_expr): Don't generate load-store pair
6514 if TEMP is identical (according to ==) with TARGET.
6516 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6518 * reload1.c (reload_reg_free_for_value_p): When considered reload
6519 has an output, matching inputs are not sufficient to avoid conflict.
6521 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6523 * hash.h (hash_table_key): New type.
6524 (hash_entry): Change `string' field to generic `key'.
6525 (hash_table): Add `comp' and `hash' functions.
6526 (hash_table_init): Take them as input.
6527 (hash_table_init_n): Likewise.
6528 (hash_lookup): Modify for generic keys.
6529 (hash_newfunc): Likewise.
6530 (hash_traverse): Likewise.
6531 (string_hash): New function.
6532 (string_compare): Likewise.
6533 (string_copy): Likewise.
6534 * hash.c (hash_table_init_n): Modify for generic keys.
6535 (hash_table_init): Likewise.
6536 (hash_lookup): Likewise.
6537 (hash_newfunc): Likewise.
6538 (hash_traverse): Likewise.
6539 (string_hash): Split out from hash_lookup.
6540 (string_compare): New function.
6541 (string_copy): Split out from hash_lookup.
6542 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6544 (symbol_hash_lookup): Likewise.
6545 (file_hash_newfunc): Likewise.
6546 (file_hash_lookup): Likewise.
6547 (demangled_hash_newfunc): Likewise.
6548 (demangled_hash_lookup): Likewise.
6549 (tlink_int): Likewise.
6550 (read_repo_file): Likewise.
6551 (recompile_files): Likewise.
6552 (demangle_new_symbols): Likewise.
6553 (scan_linker_output): Likewise.
6555 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6557 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6559 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6561 * rs6000.c (output_mi_thunk): Improve test for local branch.
6563 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6565 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6567 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6569 * reload1.c (reload_reg_free_before_p): Delete.
6570 Changed all callers to use reload_reg_free_for_value_p instead.
6571 (reload_reg_free_for_value_p): Handle more reload types.
6572 A RELOAD_FOR_INPUT doesn't conflict with its
6573 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6574 Add special case for OUT == const0_rtx.
6575 Added ignore_address_reloads argument. Changed all callers.
6577 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6579 * toplev.c (compile_file): Don't pedwarn about undefined static
6580 functions just because we passed -Wunused.
6582 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6584 * function.c (purge_addressof_1): Unshare rtl created by
6587 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6589 * regmove.c (regmove_optimize): Don't do anything but
6590 optimize_reg_copy[123] when flag_regmove is not set.
6592 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6594 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6595 value in paradoxical SImode result, rather than truncating midpoint.
6597 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6599 * alpha.c (reg_not_elim_operand): New.
6600 * alpha.h (PREDICATE_CODES): Add it.
6601 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6602 for the multiplicand.
6604 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6606 * rs6000.md (movsf): Remove explicit secondary-reload-like
6607 functionality. Only truncate SFmode store if in FPR.
6608 (movsf splitters): Combine const_double splitters.
6609 (movsf_hardfloat): Add GPR support.
6611 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6613 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6614 deprecate -mlive-g0 and -mbroken-saverestore.
6615 * t-splet (MULTILIB_OPTIONS): Likewise.
6617 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6618 in a leaf function. Clarify total_size/extra_size relationship.
6620 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6622 * i386/cygwin32.asm: Delete.
6623 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6624 * i386/cygwin32.h: Delete.
6625 * i386/cygwin.h: New file, renamed from cygwin32.h.
6626 * i386/t-cygwin32: Delete.
6627 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6628 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6629 * i386/x-cygwin32: Delete.
6630 * i386/x-cygwin: New file, renamed from x-cygwin32.
6631 * i386/xm-cygwin32: Delete.
6632 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6633 renamed cygwin_ funcs for path translations.
6634 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6635 * i386/winnt.c: Remove "32" from comment about cygwin.
6636 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6637 * rs6000/cygwin32.h: Delete.
6638 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6639 -D__CYGWIN__ to CPP_PREDEFINES.
6640 * rs6000/x-cygwin32: Delete.
6641 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6642 * rs6000/xm-cygwin32: Delete.
6643 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6645 * configure.in: Check for cygwin* instead of cygwin32. Account
6646 for the rename of cygwin-related config files to lose the "32"s.
6647 * configure: Regenerate.
6649 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6650 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6652 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6654 * Makefile.in (JAVAGC): New macro.
6655 * configure: Rebuilt.
6656 * configure.in: Recognize --enable-java-gc argument. Subst
6659 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6661 Handle equivalences that have been obscured by gcse:
6663 * reload1.c (reload): Handle equivalences set up in multiple places.
6664 * local-alloc.c (reg_equiv_init_insns): New variable.
6665 (no_equiv): New function.
6666 (update_equiv_regs): Handle equivalences set up in multiple places.
6667 Don't ignore an insn just because its destination is likely to be
6670 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6672 * except.c (expand_eh_return): Readd force_operand call lost in
6675 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
6677 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6679 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6681 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6683 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6685 * regmove.c (regmove_optimize): Fix error in last change.
6687 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6689 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6690 offset in the .mask pseudo to compensate for frame pointer adjustments.
6691 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6692 word swap arguments moved to/from FP registers.
6693 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6695 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6697 * version.c: Bump for snapshot.
6699 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6701 * version.c: Bump for snapshot.
6703 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6705 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6706 times, then it can not be completely replaced.
6708 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6710 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6712 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6714 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6715 (to distinguish it from the macro wrapping ansidecl.h.)
6716 Include libiberty's ansidecl.h. Remove all redundant definitions.
6717 Define the PROTO() style macros in terms of the PARAMS() ones.
6720 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6721 __STDC__, when deciding whether to use ANSI variable args.
6722 (emit_library_call_value): Likewise.
6724 * cccp.c (error): Likewise.
6725 (warning): Likewise.
6726 (error_with_line): Likewise.
6727 (warning_with_line): Likewise.
6728 (pedwarn): Likewise.
6729 (pedwarn_with_line): Likewise.
6730 (pedwarn_with_file_and_line): Likewise.
6733 * cexp.y (error): Likewise.
6734 (pedwarn): Likewise.
6735 (warning): Likewise.
6737 * collect2.c (fatal_perror): Likewise.
6741 * combine.c (gen_rtx_combine): Likewise.
6743 * cpperror.c (cpp_message): Likewise.
6744 (cpp_fatal): Likewise.
6746 * cpplib.c (cpp_error): Likewise.
6747 (cpp_warning): Likewise.
6748 (cpp_pedwarn): Likewise.
6749 (cpp_error_with_line): Likewise.
6750 (cpp_warning_with_line): Likewise.
6751 (cpp_pedwarn_with_line): Likewise.
6752 (cpp_pedwarn_with_file_and_line): Likewise.
6754 * cpplib.h: Don't define PARAMS() macro.
6756 * demangle.h: Likewise.
6758 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6759 when deciding whether to use ANSI variable args.
6761 * emit-rtl.c (gen_rtx): Likewise.
6762 (gen_rtvec): Likewise.
6764 * final.c (asm_fprintf): Likewise.
6766 * fix-header.c (cpp_message): Likewise.
6768 (cpp_fatal): Likewise.
6770 * gcc.c (concat): Likewise.
6774 * genattr.c (fatal): Likewise.
6776 * genattrtab.c (attr_rtx): Likewise.
6777 (attr_printf): Likewise.
6780 * gencodes.c (fatal): Likewise.
6782 * genconfig.c (fatal): Likewise.
6784 * genemit.c (fatal): Likewise.
6786 * genextract.c (fatal): Likewise.
6788 * genflags.c (fatal): Likewise.
6790 * genopinit.c (fatal): Likewise.
6792 * genoutput.c (fatal): Likewise.
6795 * genpeep.c (fatal): Likewise.
6797 * genrecog.c (fatal): Likewise.
6799 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6800 deciding whether to declare `tree_node' and `rtx_def'.
6802 * hash.h: Don't define stuff we get from gansidecl.h.
6804 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6805 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6806 whether to use ANSI variable args.
6809 * prefix.c (concat): Likewise.
6813 * system.h: Likewise.
6815 * toplev.c (error_with_file_and_line): Likewise.
6816 (error_with_decl): Likewise.
6817 (error_for_asm): Likewise.
6820 (warning_with_file_and_line): Likewise.
6821 (warning_with_decl): Likewise.
6822 (warning_for_asm): Likewise.
6823 (warning): Likewise.
6824 (pedwarn): Likewise.
6825 (pedwarn_with_decl): Likewise.
6826 (pedwarn_with_file_and_line): Likewise.
6828 (really_sorry): Likewise.
6830 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6831 whether to declare `tree_node' and `rtx_def'.
6833 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6834 deciding whether to use ANSI variable args.
6835 (build_nt): Likewise.
6836 (build_parse_node): Likewise.
6838 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6840 * version.c: Bump for snapshot.
6842 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6844 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6846 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
6848 * collect2.c (main, case 'b'): Use else if.
6850 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6852 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6853 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6854 before the config/ directory headers.
6855 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6856 gansidecl.h in the list of dependencies.
6858 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6859 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6860 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6861 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6862 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6863 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6866 * cccp.c: Don't include gansidecl.h.
6868 * collect2.c: Likewise.
6869 * config/c4x/c4x.c: Likewise.
6870 * config/v850/v850.h: Likewise.
6871 * cppalloc.c: Likewise.
6872 * cpperror.c: Likewise.
6873 * cppexp.c: Likewise.
6874 * cppfiles.c: Likewise.
6875 * cpphash.c: Likewise.
6876 * cpplib.c: Likewise.
6877 * cppmain.c: Likewise.
6878 * cppulp.c: Likewise.
6879 * demangle.h: Likewise.
6880 * doprint.c: Likewise.
6881 * dyn-string.c: Likewise.
6882 * eh-common.h: Likewise.
6883 * fix-header.c: Likewise.
6884 * frame.c: Likewise.
6887 * gen-protos.c: Likewise.
6888 * gencheck.c: Likewise.
6889 * halfpic.h: Likewise.
6891 * machmode.h: Likewise.
6892 * mbchar.c: Likewise.
6893 * prefix.c: Likewise.
6894 * protoize.c: Likewise.
6895 * recog.h: Likewise.
6897 * scan-decls.c: Likewise.
6899 * varray.h: Likewise.
6901 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6903 * i386.md (call_value_pop): If we're not popping anything,
6904 defer to call_value.
6905 (call_pop): Likewise defer to call.
6907 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6909 * function.c (purge_addressof): Clear purge_addressof_replacements
6910 only after processing the whole function.
6912 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6914 * reload1.c (reload): If we can not perform a particular elimination
6915 when we thought we could earlier, then we must always iterate through
6916 the loop at least one more time.
6918 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6920 * alpha.c (add_operand): Simplify the CONST_INT match.
6921 (sext_add_operand): Correct typo in comparison by using
6922 CONST_OK_FOR_LETTER_P.
6923 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6924 constant alternatives to be generated.
6925 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6926 small constants, since the hw instructions do.
6928 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6930 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6931 previous insn to store directly into our reload register, make sure
6932 that if the source of the previous insn is a reload register, its
6933 spill_reg_store and spill_reg_stored_to values are cleared.
6935 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
6937 * rs6000.md (floatunssidf2_internal splitter): Use base register
6938 operand, not hard-coded SP.
6940 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6942 * jump.c (calculate_can_reach_end): Fix thinko.
6944 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6946 * reorg.c (fill_simple_delay_slots): Fix typo.
6948 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6950 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6952 * i386.md (extendsidi2): Use # in the output template.
6953 (extendsidi splitters): New splitters.
6955 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6957 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6959 * configure: Regenerate.
6961 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6963 * jump.c (init_label_info, delete_barrier_successors,
6964 mark_all_labels, delete_unreferenced_labels,
6965 delete_noop_moves, calculate_can_reach_end): New functions broken
6966 out of jump_optimize.
6967 (jump_optimize): Use them.
6969 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6971 * except.c (expand_fixup_region_end): Make sure outer context labels
6972 are not issued in an inner context during cleanups.
6974 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6976 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6979 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6981 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6982 to expose this midpoint to CSE.
6984 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6986 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6988 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6990 * configure.in: Bring over gcc2 change of Nov 19 1997.
6992 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6994 * toplev.c (output_lang_identify): Make definition dependent on
6995 ASM_IDENTIFY_LANGUAGE.
6997 * print-rtl.c (spaces): Make static.
6999 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
7001 * extend.texi: Clarify proper uses for register clobbers in asms.
7003 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7005 * recog.h (enum op_type): Define.
7006 (constrain_operands): Adjust prototype.
7007 (recog_op_type): Declare new variable.
7008 * recog.c (recog_op_type): New variable.
7009 (insn_invalid_p): Allow modifying an asm statement after reload.
7010 (extract_insn): Set up recog_op_type.
7011 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
7012 Don't compute operand types, use recog_op_type.
7013 Use the information computed by extract_insn instead of the previous
7014 method of finding it by insn code number.
7015 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
7016 * reorg.c (fill_slots_from_thread): Likewise.
7017 * reload1.c (reload_as_needed): Likewise.
7018 (gen_reload): Likewise.
7019 (inc_for_reload): Likewise.
7020 (reload_cse_simplify_operands): Likewise.
7021 Use the information computed by extract_insn instead of the previous
7022 method of finding it by insn code number.
7023 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
7025 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
7026 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
7027 Use the information computed by extract_insn instead of the previous
7028 method of finding it by insn code number.
7029 * regmove.c (find_matches): Likewise. Change meaning of the return
7030 value to be nonzero if the optimization can be performed, zero if
7031 not. All callers changed.
7032 Shorten some variable names to fix formatting problems.
7033 (regmove_optimize): Shorten some variable names to fix formatting
7035 Use the information computed by extract_insn instead of the previous
7036 method of finding it by insn code number.
7037 * regclass.c (scan_one_insn): Likewise.
7038 (record_reg_classes): Don't compute operand types, use recog_op_type.
7039 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
7040 recog_constraints instead.
7042 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
7044 * rtl.h (flow2_completed): Declare.
7045 * flow.c (flow2_completed): Definition.
7046 * toplev.c (rest_of_compilation): Set and clear flow2_completed
7049 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
7051 * Makefile.in (libcpp.a): Ranlib libcpp.a
7053 * cppulp.c (user_label_prefix): Initialize.
7055 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
7057 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
7058 at a RETURN if current_function_sp_is_unchanging is set.
7060 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7062 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
7064 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
7066 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
7067 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
7068 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
7069 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
7070 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
7071 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
7073 (LIB_SPEC): Handle -mno-cyginw option.
7074 (LINK_SPEC): Handle -mdll.
7076 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7078 * reload.c (find_reloads): Fix test for usage by other reload
7079 to handle secondary reloads properly.
7081 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7083 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
7084 intermediate structure which has exactly the members provided by
7085 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
7086 static intermediate structure.
7088 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
7089 from the intermediate structure. Do the same analogous fix in
7090 the case where ELIMINABLE_REGS is not defined.
7092 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
7094 * pa.h (SELECT_SECTION): Fix thinko.
7096 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
7098 * dwarf2out.c (output_call_frame_info): Comments on last change.
7100 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
7102 * arm.c (add_constant): When taking the address of an item in the
7103 pool, get the mode of the item addressed.
7105 * arm.c (final_prescan_insn case INSN): If an insn doesn't
7106 contain a SET or a PARALLEL, don't consider it for conditional
7109 Restore ABI compatibility for NetBSD.
7110 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
7112 (RETURN_IN_MEMORY): Likewise.
7114 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
7116 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
7117 (m32r_output_block_move): Rewrite bytes < 4 handling.
7119 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7121 * configure.in: Call AC_FUNC_VFORK.
7123 * collect2.c: Define VFORK_STRING as a printable string for
7124 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
7125 defined, include vfork.h. If VMS is defined, define vfork()
7126 appropriately. Remove vfork check on USG, we're using autoconf.
7127 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
7128 checking locally what string to pass.
7129 (scan_prog_file): Likewise.
7130 (scan_libraries): Likewise.
7132 * gcc.c: Remove vfork check on USG, we're using autoconf.
7133 Besides, no calls to vfork/fork occur in this file.
7135 * protoize.c: Likewise.
7137 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7139 * configure.in (DEFAULT_LINKER): renamed from LD
7140 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
7141 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
7142 * configure: rebuilt
7144 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7146 * BUGS: fix the regexp for `more' to find the appropriate node.
7147 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
7149 * BUGS: added link to the WWW FAQ
7151 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
7153 * version.c: Bump for snapshot.
7155 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
7157 * From Christian Gafton:
7158 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
7159 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
7160 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
7162 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
7164 * c-common.c (c_get_alias_set): Allow all type-punning through
7165 unions. Don't get confused about the type of a bit-field, despite
7166 the antics of build_modify_expr.
7168 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
7170 * fixinc.sco: Paramaterize #include_next values.
7171 * fixinc/fixinc.sco: Likewise.
7173 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
7175 * toplev.c (rest_of_compilation): No longer set reload_completed.
7176 * reload1.c (reload): Set it here. Perform instruction splitting
7177 after reload has completed if we will be running the scheduler
7180 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
7182 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
7183 EH region if exceptions are enabled and we're performing cross
7185 (find_cross_jump): Exit loop if the insns are in different EH regions.
7187 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
7189 * dwarf2out.c (output_call_frame_info): Use
7190 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
7192 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7194 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7195 * c-common.c (check_format_info): Don't check for the 'x'
7196 format character twice, instead check for 'x' and 'X'
7198 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7200 * configure.in (assembler features): Also make gas is configured if
7201 we find it in the souce tree.
7203 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7205 * i386.c (i386_comp_type_attributes): Compare whether the
7206 attributes are defined, not their tree nodes.
7208 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7210 * configure.in (gxx_include_dir): bitten by autoconf quoting
7212 * configure: rebuilt
7214 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7216 * configure.in: Ignore non-absolute value in $AS.
7218 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7220 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7222 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7224 * configure.in (msdosdjgpp): Set exeext and target_alias.
7226 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7228 * flow.c (XNMALLOC): New macro.
7229 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7231 (add_edge, add_edge_to_label): New static functions.
7232 (free_bb_memory): New function.
7233 (flow_delete_insn): Delete function.
7234 (basic_block_drops_in): Delete variable.
7235 (find_basic_blocks): Allocate and initialize basic_block_head,
7236 basic_block_succ. Don't allocate basic_block_drops_in.
7237 Call free_bb_memory at the beginning.
7238 (find_basic_blocks_1): Don't do multiple passes.
7239 Delete code to compute basic_block_drops_in.
7240 After calling make_edges, mark blocks reached by current block live.
7241 Update test for unreachable live blocks.
7242 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7244 Simplify to call add_edge_to_label when a LABEL_REF is found.
7245 (make_edges): Simplify to call add_edge_to_label instead of
7246 mark_label_ref most of the time.
7247 Compute here whether control drops into the next block.
7248 (delete_unreachable_blocks): Return void. All callers changed.
7249 Delete unreachable blocks in reverse order.
7250 After deleting all unreachable blocks, renumber the remaining ones
7251 and update n_basic_blocks.
7252 (delete_block): Speed up deletion a bit.
7253 Don't set basic_block_drops_in for deleted blocks.
7254 (free_basic_block_vars): Don't free basic_block_drops_in.
7255 (life_analysis_1): Update to use new edge representation.
7256 (dump_flow_info): Delete code to print basic block info; call
7257 dump_bb_data instead.
7258 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7259 and uid_block_number.
7260 Simply copy the previously computed cfg.
7261 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7262 Print register lifetime information if LIVE_INFO is nonzero.
7263 * basic-block.h (dump_bb_data): Adjust prototype.
7264 * gcse.c (gcse_main): Update call to dump_bb_data.
7265 * rtl.h (free_bb_memory): Declare.
7266 * toplev.c (rest_of_compilation): Call free_bb_memory.
7268 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7269 (update_eliminable_offsets): Don't compute it.
7270 (set_initial_elim_offsets): Don't initialize it.
7271 Break out some code into set_initial_label_offsets so the rest of
7272 this function can be called from reload_as_needed.
7273 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7274 ELIMINABLE_REGS isn't.
7275 (set_initial_label_offsets): New function, broken out of
7276 set_initial_elim_offsets.
7277 (set_offsets_for_label): New function, broken out of set_label_offsets
7278 and reload_as_needed.
7279 (reload): Call the two new functions.
7280 (reload_as_needed): Call set_initial_elim_offsets instead of
7281 duplicating the code. Likewise for set_offsets_for_label.
7283 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7284 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7285 any hard reg, reg_reloaded_dead contains valid data.
7287 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7289 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7290 "stdcall" and "cdecl" attributes.
7292 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7294 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7295 handle deleted no-op moves of hard registers.
7296 * haifa-sched.c (update_flow_info): Likewise.
7298 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7300 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7301 of the sequences to reload the HILO register which do not actually
7304 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7306 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7308 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7310 * except.c (emit_eh_context): Make the EH context register stay alive
7311 at -O0 so stupid.c doesn't get confused.
7313 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7315 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7317 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7318 Jeffrey A Law (law@cygnus.com)
7320 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7321 (zero_extendsidi2): Use # in output template and handle completely by
7323 (zero_extend splitters): New define_splits.
7324 (ashiftrt_32): New pattern.
7326 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7328 * tree.c (append_random_chars): New fn.
7329 (get_file_function_name_long): Use it.
7331 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7333 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7334 (LIBCPP_OBJS): New. Add cppulp.o.
7335 (cppmain, fix-header): Depend on and use libcpp.a.
7336 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7337 of the individual object files.
7338 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7341 * cccp.c (user_label_prefix): New.
7342 (main): Set it off -f*leading-underscore.
7343 (special_symbol): Use it.
7344 * cpplib.c (special_symbol): Likewise.
7345 (cpp_handle_option): Handle -f*leading-underscore.
7346 * cppulp.c: New file.
7348 * output.h (user_label_prefix): Declare it.
7349 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7350 * toplev.c (f_options, main): Handle -f*leading-underscore.
7352 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7353 referencing USER_LABEL_PREFIX directly.
7354 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7355 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7356 * final.c (asm_fprintf): Use user_label_prefix instead.
7357 * arm/thumb.c (thumb_print_operand): Likewise.
7359 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7360 cpp wherever appropriate.
7362 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7364 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7365 specific compiler switches.
7367 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7369 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7372 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7374 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7375 structure which has exactly the members provided by EXTRA_SPECS.
7376 Xmalloc() the real `extra_specs', and initialize it from this
7377 intermediate structure.
7379 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7381 * mips.h (EXTRA_SPECS): Likewise.
7383 * sparc.h (EXTRA_SPECS): Likewise.
7385 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7387 * function.c (purge_addressof_1): Instead of aborting when a
7388 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7389 work just put the ADDRESSOF on stack. Otherwise remember all such
7390 successfull replacements, so that exactly the same replacements
7391 can be made on the REG_NOTEs. Remove the special case for CALL
7393 (purge_addressof_replacements): New variable.
7394 (purge_addressof): Clear it at end.
7396 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7398 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7399 (lang_init): Call check_newline always.
7400 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7401 cpp_start_read, set yy_cur and yy_lim to read from
7402 parse_in.token_buffer, so that we'll see the first #line
7404 * cpplib.c (cpp_start_read): finclude the main input file
7405 before processing -include/-imacros. Process -imacros and
7406 -include separately, and handle -include by stacking a
7407 buffer for the file in question as if it'd been #included.
7408 * toplev.c (documented_lang_options) Recognize -H when
7411 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7413 * cpplib.c: Merge do_once into do_pragma. Break file handling
7414 code out of do_include.
7415 Move append_include_chain, deps_output,
7416 file_cleanup, redundant_include_p, import_hash,
7417 lookup_import, add_import, read_filename_string, read_name_map,
7418 open_include_file, finclude, safe_read to cppfiles.c.
7419 Move prototypes for deps_output, append_include_chain,
7420 finclude to cpplib.h. Move definition of struct
7421 file_name_list there also.
7423 * cppfiles.c: New file. Contains all the above functions
7424 broken out of cpplib.c; also hack_vms_include_specification
7425 from cccp.c and find_include_file, a new function broken out of
7428 * Makefile.in (cppmain): Depend on cppfiles.o.
7429 (fix-header): Likewise.
7430 (cppfiles.o): New target.
7431 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7432 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7434 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7436 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7437 if pending_types is non-zero.
7438 (dwarfout_finish): Verify pending_types is zero before finishing.
7440 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7442 * expr.c (convert_move): Use shifts to perform the move if a
7443 suitable extend pattern cannot be found. Code written by
7444 Richard Henderson <rth@cygnus.com>.
7446 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7448 * regclass.c (renumber, regno_allocated): New static variables, moved
7449 out of allocate_reg_info.
7450 (allocate_reg_info): Move these two variables outside the function.
7451 Move code to free memory into new function free_reg_info.
7452 (free_reg_info): New function, broken out of allocate_reg_info.
7453 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7454 * rtl.h (allocate_reg_info): Don't declare.
7455 (free_reg_info): Declare.
7457 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7459 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7461 * toplev.c (compile_file): Temporarily revert last change.
7463 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7465 * c-typeck.c (convert_for_assignment): Parenthesize.
7467 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7469 * reload1.c (delete_output_reload): Avoid ambigous else.
7471 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7473 * toplev.c (compile_file): Call allocate_reg_info to free register
7475 * rtl.h (allocate_reg_info): Declare.
7477 * PROJECTS: Remove entry for local spilling.
7479 * final.c (cleanup_subreg_operands): New function.
7480 (final_scan_insn): Use it.
7481 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7483 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7484 operands when reload has finished.
7485 * reload.h (cleanup_subreg_operands): Declare..
7486 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7487 reload. Handled in reload itself.
7489 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7491 * reload1.c (verify_initial_offsets): New function.
7492 (reload): Call it after reload_as_needed. Also verify that the frame
7493 size stays constant during reload_as_needed.
7494 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7496 * reload.h (struct insn_chain): Add need_operand_change element.
7497 * reload1.c (new_insn_chain): Clear it.
7498 (calculate_needs_all_insns): Set it; don't overload need_reload.
7499 (reload_as_needed): Use it.
7501 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7502 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7503 and reload_address_index_reg_class.
7504 (find_reloads_address_1): Likewise.
7505 * reload.h (reload_address_base_reg_class,
7506 reload_address_index_reg_class): Don't declare.
7507 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7508 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7509 (used_spill_regs): Now static.
7510 (reload_address_base_reg_class, reload_address_index_reg_class,
7511 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7512 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7513 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7516 (init_reload): Delete code to compute base/index reg classes.
7517 (reload): Delete variable J.
7518 Delete code to manage basic_block_needs.
7519 Don't compute regs_explicitly_used.
7520 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7521 pseudo_previous_regs.
7522 Initialize bad_spill_regs_global.
7523 Don't call order_regs_for_reload here.
7524 Don't initialize spill_reg_order and n_spills.
7525 Don't forbid explicitly used regs to be used for spill regs.
7526 Change main loop to infinite loop, with explicit break statements.
7527 Make SOMETHING_CHANGED variable local to that loop.
7528 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7529 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7530 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7532 Don't call dump_needs.
7533 Delete code to reset potential_reload_regs.
7534 Delete code to terminate loop conditional on the global needs variables
7535 showing no further needs.
7536 (calculate_needs_all_insns): Return void. All callers changed.
7537 Initialize somehing_needs_elimination here, not in reload.
7538 Delete avoid_return_reg kludge.
7539 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7540 All callers changed.
7541 Initialize the group_mode and group_size elements of the arg CHAIN.
7542 Delete code to manage basic_block_needs.
7543 Operate on elements of CHAIN instead of global variables.
7544 Delete avoid_return_reg kludge.
7545 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7546 All callers changed.
7547 Operate on elements of CHAIN instead of global variables.
7548 Delete special SMALL_REGISTER_CLASSES code.
7549 Delete spill_failure code; now in new_spill_reg.
7550 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7551 All callers changed.
7552 Operate on elements of CHAIN instead of global variables.
7553 (maybe_mark_pseudo_spilled): New static function.
7554 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7555 All callers changed.
7556 Operate on elements of CHAIN instead of global variables.
7557 Call order_regs_for_reload here, not in reload.
7558 Initialize spill_reg_order and n_spills.
7559 Simplify test whether an asm insn is involved.
7560 Delete spill_failure code; now in new_spill_reg.
7561 Call maybe_mark_pseudo_spilled for everything marked as live in
7562 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7564 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7565 compiler from optimizing this function (now unused) away.
7566 Operate on elements of CHAIN instead of global variables.
7567 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7569 Operate on elements of CHAIN instead of global variables.
7570 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7571 take CHAIN arg. All callers changed.
7572 Operate on elements of CHAIN instead of global variables.
7573 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7574 CHAIN, NONGROUP args. Return void. All callers changed.
7575 Verify caller isn't trying to spill a pseudo.
7576 Simplify test for illegal reg, just use bad_spill_regs.
7577 Generate better error messages.
7578 Operate on elements of CHAIN instead of global variables.
7579 Mark spilled register in CHAIN's used_spill_regs element.
7580 Don't call spill_hard_reg.
7581 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7582 Mark spilled hard regs in bad_spill_regs_global.
7583 Mark affected pseudos in spilled_pseudos, but don't spill them.
7584 (ior_hard_reg_set): New static function.
7585 (finish_spills): Return int. All callers changed.
7586 Compute spill_reg_order, n_spills and spill_regs here. Also update
7587 regs_ever_live for regs used as spills.
7588 For every pseudo in spilled_pseudos, spill it and mark the previous
7589 hard reg it had in pseudo_previous_regs. Compute which hard regs
7590 arseudo): New static function.
7591 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7592 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7593 hard registers explicitly used across the current insn into the set.
7594 Compute hard_reg_n_uses taking only pseudos live across this insn
7596 Tweak sorting of potential_reload_regs.
7597 (compare_spill_regs): Delete function.
7598 (reload_as_needed): Don't sort the spill_regs array, it's computed
7599 in proper order in finish_spills.
7600 Delete avoid_return_reg kludge.
7601 Delete code to manage basic_block_needs.
7602 (allocate_reload_reg): Minor speed/readability tweaks.
7603 Operate on elements of CHAIN instead of global variables.
7604 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7605 Delete avoid_return_reg kludge.
7606 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7607 Delete unused label FAIL.
7608 (reload_combine): Replce reload_address_index_reg_class with
7610 Don't use used_spill_regs to determine information about lifetime of
7613 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7615 * toplev.c (display_help): Ignore empty target specific
7616 options, and if -W is also specified on the command line then
7617 display undocumented options.
7619 * config/arm/arm.c: Updated with changes in devo sources.
7620 * config/arm/arm.h: Updated with changes in devo sources.
7621 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7622 * config/arm/lib1thumb.asm: Add ELF support.
7624 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7626 * collect2.c (aix64_flag): New variable.
7627 (main, case 'b'): Parse it.
7628 (GCC_CHECK_HDR): object magic number must match mode.
7629 (scan_prog_file): Only check for shared object if valid header.
7630 Print debugging if header/mode mismatch.
7632 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7634 Added support for arm-elf-linux configuration, submitted by Philip
7635 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7636 code developed by Catherine Moore <clm@cygnus.com>. The following
7639 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7642 * configure: Regenerated.
7644 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7645 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7646 definitions conditional on their not having been already defined.
7648 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7649 and .type directives, and add "(PLT)" qualification to function
7652 * config/arm/linux.h: Deleted. This file is now superceeded by
7653 either linux-elf.h or linux-aout.h.
7655 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7656 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7658 Move definitions from old linux.h file here.
7660 * config/arm/elf.h: New file. Generic ARM/ELF support.
7662 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7664 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7666 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7667 using the 26bit APCS.
7669 * config/arm/unknown-elf.h: New file. Support for OS'es other
7670 than Linux with ELF.
7672 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7675 * config/arm/coff.h: Include aout.h for basic assembler macros.
7676 Add support for -mstructure_size_boundary=<n> command line option.
7678 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7679 command line option. Make macro definitions conditional on their
7680 not having been already defined.
7682 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7683 command line option.
7686 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7688 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7689 has been changed to not include a newline. Use this macro instead.
7690 (output_enumeral_list, const_value_attribute, name_attribute,
7691 comp_dir_attribute, prototyped_attribute, producer_attribute,
7692 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7693 dwarfout_file_scope_decl, generate_new_sfname_entry,
7694 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7695 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7697 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7699 * combine.c (subst): Process the inputs to a parallel asm_operands
7702 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7704 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7706 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7708 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7710 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7712 * version.c: Bump for snapshot.
7714 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7716 * stmt.c (expand_fixup): Set fixup->before_jump to a
7717 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7719 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7721 * Makefile.in (recog.o): Depend on toplev.h.
7722 (insn-emit.o): Depend on recog.h.
7723 (insn-peep.o): Depend on recog.h and insn-config.h.
7725 * combine.c (simplify_set): Remove unused variable `scratches'.
7727 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7728 and `idx' in macro conditional controlling their use.
7730 * genemit.c (main): Make the generated output file include
7731 recog.h. Don't have it declare `insn_operand_constraint', since
7732 we get it from recog.h.
7734 * genpeep.c (main): Make the generated output file include
7735 insn-config.h and recog.h.
7737 * recog.c: Include toplev.h.
7738 (extract_insn): Remove unused variable `p'.
7740 * regclass.c (fix_register): Add missing braces around initializer
7742 (allocate_reg_info): Move variable `i' into the scope where it is
7743 used. Change its type to `size_t'.
7745 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7747 * reload.c (push_reload): When merging reloads, make sure
7748 that reload_in_reg and reload_in are from the same reload in
7751 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7753 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7754 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7756 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
7758 * loop.c (loop_has_tablejump): New variable.
7759 (prescan_loop): Scan for it.
7760 (insert_bct): Replace explicit scan with use of it.
7761 * regclass.c (regclass): Restore loop variable j.
7762 (record_reg_classes): Deterine op_types modifiers and initialize
7763 classes[i] before matching constraints. Handle matching
7766 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7768 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7771 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7773 * mips.h (EXTRA_SPECS): Add missing initializers.
7775 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7777 * sparc.h (EXTRA_SPECS): Add missing initializers.
7778 (sparc_defer_case_vector): Provide a prototype.
7780 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7781 comparing it to the result of a pointer subtraction.
7783 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7786 the argument to (unsigned char).
7788 * alpha.h (EXTRA_SPECS): Add missing initializers.
7789 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7792 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7794 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7795 (propagate_block): Delete dead code after reload.
7797 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7798 back Oct 15, 1998 change.
7799 * haifa-sched.c (update_flow_info): Likewise.
7800 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7802 * mn10200.md (truncated shift): Accept constant inputs too.
7804 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7806 * machmode.h (mode_mask_array): No longer const.
7807 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7809 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7811 * frame.c: Somewhat explain `FDE'.
7812 Suggested by Brendan Kehoe
7814 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7816 * expr.c (pending_chain): Move up.
7817 (save_expr_status): Do save pending_chain.
7818 (restore_expr_status): And restore it.
7819 * function.h (struct function): Add pending_chain.
7821 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7823 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7824 did not match the code.
7826 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7828 * regclass.c (regclass): Break out some code into new function
7829 scan_one_insn, and into regclass_init.
7830 (init_cost): New static variable, moved out of regclass.
7831 (regclass_init): Initialize it here, not in .
7832 (scan_one_insn): New static function, broken out of regclass.
7833 * recog.c (apply_change_group): Break out some code into new
7834 function insn_invalid_p.
7835 (insn_invalid_p): New static fn, broken out of apply_change_group.
7837 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7839 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7840 reg_reloaded_contents matches incremented pseudo.
7842 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7844 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7846 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7847 addressing modes with side effects. These are currently
7848 placeholders for the C4x target.
7850 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7852 * loop.c (express_from): Make sure that when generating a PLUS of
7853 a PLUS, any constant expression appears on the outermost PLUS.
7855 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7857 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7858 works if "$(srcdir)" != ".".
7860 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7862 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7863 existing SUBREG if we can, otherwise abort.
7865 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7867 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7868 `restrict' is applied to a non-pointer variable.
7870 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7872 * invoke.texi: Document -flang-isoc9x.
7874 * Makefile.in (OBJS): Add splay-tree.o.
7875 (c-common.o): Depend on rtl.h.
7876 (splay-tree.o): List dependencies and provide build rule.
7878 * rtl.h (record_alias_subset): New function.
7879 * alias.c: Include splay-tree.h.
7880 (alias_set_entry): New type.
7881 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7882 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7883 (mems_in_disjoin_alias_sets_p): New function.
7884 (alias_set_compare): Likewise.
7885 (insert_subset_children): Likewise.
7886 (get_alias_set_entry): Likewise.
7888 * tree.h (TYPE_RESTRICT): New macro.
7889 (TYPE_UNQUALIFIED): New manifest constant.
7890 (TYPE_QUAL_CONST): Likewise
7891 (TYPE_QUAL_VOLATILE): Likewise.
7892 (TYPE_QUAL_RESTRICT): Likewise.
7893 (tree_type): Add restrict_flag. Reduce count of free bits.
7894 (DECL_POINTER_ALIAS_SET): New macro.
7895 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7896 (tree_decl): Add pointer_alias_set.
7897 (build_qualified_type): New function.
7898 (build_type_variant): Define in terms of build_qualified_type.
7899 * tree.c (set_type_quals): New function.
7900 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7901 (build_type_attribute_variant): Use build_qualified_type and
7903 (build_type_variant): Rename, and modify, to become...
7904 (build_qualified_type): New function.
7905 (build_complex_type): Use set_type_quals.
7907 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7908 (C_TYPE_FUNCTION_P): Likewise.
7909 (C_TYPE_INCOMPLETE_P): Likewise.
7910 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7911 (c_apply_type_quals_to_decl): New function.
7912 (c_build_qualified_type): New function.
7913 (c_build_type_variant): Define in terms of c_build_qualified_type.
7914 (flag_isoc9x): Declare.
7915 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7916 (common_type): Change to use TYPE_QUALS.
7917 (comptypes): Likewise.
7918 (convert_for_assignment): Likewise.
7919 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7920 * c-decl.c (flag_isoc9x): Define.
7921 (c_decode_option): Handle -flang-isoc9x.
7922 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7923 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7924 * c-lex.c (init_lex): Deal with restrict.
7925 (init_lex): Don't treat restrict as a reserved word in
7926 -traditional mode, or without -flang-isoc9x.
7927 * c-lex.h (rid): Add RID_RESTRICT.
7928 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7929 equivalent to RID_RESTRICT.
7930 * c-parse.in (TYPE_QUAL): Update comment.
7931 * c-common.c: Include rtl.h.
7932 (c_find_base_decl): New function.
7933 (c_build_type_variant): Rename, and modify, to become ...
7934 (c_build_qualified_type): New function.
7935 (c_apply_type_quals_to_decl): Likewise.
7936 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7937 a particular alias set for the reference.
7938 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7940 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7942 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7943 command line switches.
7945 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7947 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7950 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7952 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7954 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7956 * regclass.c (fix_register): Add error message.
7957 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7960 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7962 * c-decl.c (warn_missing_noreturn): New global variable.
7963 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7964 (finish_function): Implement missing noreturn warning.
7966 * c-tree.h (warn_missing_noreturn): Declare extern.
7968 * invoke.texi: Document new flags.
7970 * toplev.c (documented_lang_options): Add description.
7972 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7974 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7975 loop optimization stable for the C4x.
7976 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7977 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7978 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7980 (c4x_address_conflict): Be more paranoid when packing a volatile
7981 memref in a parallel load/store.
7983 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7985 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7986 repeat_block_filler): Deleted.
7987 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7988 Condition code not set if destination register from 'c' class.
7989 (*subbqi3_carry_clobber): Fix typo.
7991 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7993 * reorg.c (steal_delay_list_from_target) Check for insns that
7994 modify the condition codes and effect the direction of the jump
7997 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7999 * function.c (purge_addressof_1): Replace call to
8000 emit_insns_before() with emit_insn_before().
8002 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
8004 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
8006 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8008 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
8010 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
8012 * gcse.c (compute_hash_table): Correctly identify hard regs which are
8013 clobbered across calls.
8015 * loop.c (scan_loop): Be more selective about what invariants are
8016 moved out of a loop.
8018 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
8020 * version.c: Bump for snapshot.
8022 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
8024 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
8025 static eh_context structure.
8027 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8029 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
8031 (try_combine): Don't update max_scratch.
8032 * flow.c (max_scratch, num_scratch): Delete variables.
8033 (life_analysis_1): Don't initialize max_scratch.
8034 (propagate_block): Don't update max_scratch.
8035 (mark_set_1): Don't increment num_scratch.
8036 * regs.h (max_scratch): Delete declaration.
8038 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
8040 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
8041 is nonzero. This is temporary!
8043 * sched.c (update_flow_info): Handle death notes made invalid by
8044 instruction splitting. Partially reverts Oct 15, 1998 patch.
8045 * haifa-sched.c (update_flow_info): Likewise.
8047 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
8049 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
8050 if it has a nonzero DECL_INITIAL.
8052 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8054 * Makefile.in (flow.o): Depend on recog.h.
8056 * cpplib.h (directive_table): Add missing initializiers.
8057 (finclude): Change type of variable `bsize' to size_t.
8059 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
8061 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
8063 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
8064 `int' when comparing against one.
8065 (cpp_file_line_for_message): Mark parameter `pfile' with
8067 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
8069 * flow.c: Include recog.h.
8070 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
8072 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
8073 `f' with ATTRIBUTE_UNUSED.
8074 (reposition_prologue_and_epilogue_notes): Likewise.
8076 * genopinit.c (gen_insn): Cast argument of ctype functions to
8079 * haifa-sched.c: Include recog.h.
8080 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
8081 comparing against one.
8083 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
8085 * mips-tfile.c (parse_end): Cast the argument of ctype function to
8087 (parse_ent): Likewise.
8088 (parse_input): Likewise.
8090 * optabs.c (init_libfuncs): Likewise.
8092 * protoize.c (find_rightmost_formals_list): Likewise.
8094 * recog.h (const_double_operand): Fix typo in prototype.
8096 * tlink.c (scan_linker_output): Cast the argument of ctype
8097 function to `unsigned char'.
8099 * toplev.c (check_lang_option): Cast the result of `strlen' to
8100 `int' when comparing against one.
8102 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
8104 * gcse.c (dump_cuid_table): Correct typo.
8106 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
8108 * toplev.c (display_help): Prepend '-m' to target specific
8110 (check_lang_option): Ignore text after end of first word of a
8111 language specific option.
8113 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8115 * reload1.c (reg_used_by_pseudo): New static variable.
8116 (choose_reload_regs): Initialize it.
8117 Use it instead of testing spill_reg_order to determine whether a
8118 pseudo is live in a hard register across the current insn.
8119 Fix a typo in a reference to reload_reg_rtx.
8121 * flow.c (propagate_block): Replace code that computes and uses
8122 regs_sometimes_live with simpler code that just walks the set of
8123 currently live registers.
8125 * Makefile.in (insn-extract.o): Fix dependencies.
8126 * genextract.c (main): Generate includes for insn-config.h and
8128 Delete generation of declarations which are now in recog.h.
8129 * genrecog.c (main): Delete generation of definitions which are
8131 * local-alloc.c (block_alloc): Use extract_insn and the variables
8132 it sets up instead of looking up values by insn_code.
8133 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
8134 recog_dup_num): Define here instead of generating the definition in
8136 (recog_n_operands, recog_n_dups, recog_n_alternatives,
8137 recog_operand_mode, recog_constraints, recog_operand_address_p):
8139 (extract_insn): New function.
8140 * recog.h (extract_insn): Declare function.
8141 (which_alternative, recog_n_operands, recog_n_dups,
8142 recog_n_alternatives, recog_operand_mode, recog_constraints,
8143 recog_operand_address_p): Declare variables.
8144 * regclass.c (n_occurrences): New static function.
8145 * reload.c (n_occurrences): Delete function.
8146 (find_reloads): Use extract_insn.
8147 * reload.h (n_occurrences): Delete declaration.
8149 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
8151 * reload1.c (reload_as_needed): Fix test for when to call
8152 update_eliminable_offsets.
8154 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8156 Fix consistency problems with reg_equiv_{mem,address};
8157 Improve reload inheritance;
8159 * reload.c (reload_out_reg): New variable.
8160 (loc_mentioned_in_p, remove_address_replacements): New functions.
8161 (remove_replacements): Deleted.
8162 (push_reload): Set reload_out_reg[i].
8163 When merging, also set reload_{in,out}_reg[i], and remove
8164 duplicate address reloads.
8165 (combine_reloads): Copy reload_out_reg[i].
8166 (find_reloads): Do make_memloc substitution also when
8167 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8169 Include *recog_operand_loc in commutativity operand changes.
8170 Generate optional output reloads.
8171 Delete reference to n_memlocs. Don't set *recog_operand_loc before
8172 processing operands. Call make_memloc in reg_equiv_address code.
8173 Set *recog_operand_loc only after processing operands, and only
8174 if replace is true. Return a value.
8175 When changing address reload types for operands that didn't get
8176 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
8177 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
8178 Don't emit USEs for pseudo SUBREGs when not replacing.
8179 (find_reloads_address): Do make_memloc substitution also when
8180 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8182 (find_reloads_toplev): Likewise.
8183 Call make_memloc in reg_equiv_address code.
8184 (debug_reload_to_stream): Add code to output reload_out_reg.
8185 (make_memloc): Delete local variable i, ifdefed out code, and
8186 references to memlocs and n_memlocs.
8187 (memlocs, n_memlocs): Delete.
8188 (push_secondary_reload): Clear reload_out_reg.
8189 (find_reloads_address_1): Provide memrefloc argument to all calls
8190 to find_reloads_address.
8191 In AUTO_INC code, handle non-directly addressable equivalences properly.
8192 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
8193 (find_reloads): Add return type.
8194 (remove_address_replacements, deallocate_reload_reg): Declare.
8195 * reload1.c (num_not_at_initial_offset): No longer static.
8196 (delete_address_reloads, delete_address_reloads_1): Likewise.
8197 (deallocate_reload_reg): New function.
8198 (spill_reg_stored_to): New array.
8199 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8200 (eliminate_regs_in_insn): Move assignments of previous_offset and
8201 max_offset fields, and recalculation of num_not_at_initial_offset
8202 into new static function:
8203 (update_eliminable_offsets) .
8204 (reload_as_needed): Call update_eliminable_offsetss after calling
8206 Call forget_old_reloads_1 with contents of reloaded auto_inc
8207 expressions if the actual addressing can't be changed to match the
8209 (choose_reload_regs): For inheritance, replace
8210 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8211 remove stand-alone reload_reg_used_at_all test.
8212 Use reload_out_reg to determine which reload regs have output reloads.
8213 Treat reload_override_in more similar to inherited reloads.
8214 Handle (subreg (reg... for inheritance.
8215 For flag_expensive_optimizations, add an extra pass to remove
8216 unnecessary reloads from known working inheritance.
8217 Delete obsolete code for pseudos replaced with MEMs.
8218 Handle inheritance from auto_inc expressions.
8219 (emit_reload_insns): If reload_in is a MEM, set OLD to
8221 Don't reload directly from oldequiv; if it's a pseudo with a
8222 stack slot, use reload_in[j].
8223 Check that reload_in_reg[j] is a MEM before replacing reload_in
8224 from reg_reloaded_contents.
8225 Include non-spill registers in reload inheritance processing.
8226 Also try to use reload_out_reg to set spill_reg_store /
8227 reg_last_reload_reg.
8228 In code to set new_spill_reg_store, use single_set to find out if
8229 there is a single set.
8230 Add code that allows to delete optional output reloads.
8231 Add code to allow deletion of output reloads that use no spill reg.
8232 At the end, set reload_override_in to oldequiv.
8233 Also call delete_output_reload if reload_out_reg is equal to old
8235 Add code to call delete_output_reload for stores with no matching load.
8236 Set / use spill_reg_stored_to.
8237 Handle case where secondary output reload uses a temporary, but
8238 actual store isn't found.
8239 When looking for a store of a value not loaded in order to call
8240 delete_output_reload, count_occurences should return 0 for no
8241 loads; but discount inherited input reloadill_reg_stored_to.
8242 Do checks for extra uses of REG. Changed all
8244 Use delete_address_reloads.
8245 (reload): Take return value of find_reloads into account.
8246 If a no-op set needs more than one reload, delete it.
8247 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8248 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8249 for the same operand.
8250 (clear_reload_reg_in_use): Check for other reloads that keep a
8252 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8253 RELOAD_FOR_OPADDR_ADDR.
8254 Take into account when an address address reload is only needed
8255 for the address reload we are considering.
8256 (count_occurrences): Use rtx_equal_p for MEMs.
8257 (inc_for_reload): Return instruction that stores into RELOADREG.
8258 New argument two, IN, and rtx. Changed all callers.
8259 (calculate_needs_all_insns, reload_as_needed):
8260 Don't clear after_call for a CLOBBER.
8261 Keep track of how many hard registers need to be copied from
8262 after_call, and don't clear after_call before we have seen
8263 that much copies, or we see a different instruction.
8265 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8267 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8268 after reload has completed.
8270 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8272 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8273 a macro name and the next token with a single blank if that whitespace
8274 is in a macro buffer and the next token is not '('.
8276 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8278 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8280 (skip_if_group): Ditto.
8281 (skip_to_end_of_comment): Ditto.
8283 (discard_comments): Ditto.
8284 (change_newlines): Ditto.
8286 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8288 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8290 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8292 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8293 (TARGET_OPTIONS): Add --help documentation.
8295 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8297 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8299 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8301 * fixinc/* Moved in from ../contrib directory in preparation
8302 for integrating it into the normal build process. In particular,
8303 fixinc/Makefile.in must be config-ed into the build directory
8304 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8305 ./configure.in will be "in the mail" momentarily.
8307 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8309 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8310 accidently walk into the free list. Comment how that can happen.
8311 (invalidate): Fix indentation.
8313 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8314 Jeffrey A Law (law@cygnus.com)
8316 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8317 reload. Never perform rescans of the insn chain after reload.
8318 (propagate_block): Do not delete insn or create new autoinc addressing
8321 * jump.c (jump_optimize): Unconditionally use the code that was
8322 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8323 * reload1.c (reload): When reloading is finished, delete all
8324 REG_DEAD and REG_UNUSED notes.
8325 (emit_reload_insns): Delete all code that was conditional on
8326 PRESERVE_DEATH_INFO_REGNO_P.
8327 (no_longer_dead_regs): Delete variable.
8328 (reload_cse_delete_death_notes): Delete function.
8329 (reload_cse_no_longer_dead): Delete function.
8330 (reload_cse_regs_1): Delete all code to handle deletion of death
8332 (reload_cse_noop_set_p): Likewise.
8333 (reload_cse_simplify_set): Likewise.
8334 (reload_cse_simplify_operands): Likewise.
8335 (reload_cse_move2add): Likewise.
8336 * reorg.c (used_spill_regs): Delete declaration.
8337 (max_label_num_after_reload): Delete declaration.
8338 (find_dead_or_set_registers): Don't assume that spill regs are
8339 dead at a CODE_LABEL.
8340 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8342 * sched.c (sched_analyze_insn): Likewise.
8343 (update_flow_info): Likewise.
8344 * haifa-sched.c (sched_analyze_insn): Likewise.
8345 (update_flow_info): Likewise.
8346 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8347 * toplev.c (max_label_num_after_reload): Delete variable.
8348 (rest_of_compilation): Don't set max_label_num_after_reload.
8349 Call life_analysis after reload_cse_regs if optimizing.
8350 * config/gmicro/gmicro.h: Delete comment referring to
8351 PRESERVE_DEATH_INFO_REGNO_P.
8352 * config/i386/i386.h: Likewise.
8353 * config/m88k/m88k.h: Likewise.
8354 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8355 * config/sh/sh.h: Likewise.
8357 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8359 * loop.c (strength_reduce): Restore marking bct_p as
8361 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8362 HAVE_decrement_and_branch_on_count.
8363 (small_data_operand): Remove TARGET_ELF condition for marking
8364 parameters ATTRIBUTE_UNUSED.
8366 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8368 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8369 (SELECT_SECTION): Resync with svr4.h.
8371 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8373 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8376 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8378 * c-pragma.c (handle_pragma_token): Test for null tree before
8379 dereferencing TREE_CODE.
8381 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8383 * config/c4x/c4x.c: Convert to use GEN_INT.
8384 (c4x_parallel_process): Rework to handle new repeat loop structure.
8386 * config/c4x/c4x.md: Convert to use GEN_INT.
8387 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8388 (decrement_and_branch_on_count): Likewise.
8390 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8391 loop.c has the desired functionality.
8392 (rc_reg_operand): New prototype.
8394 * config/c4x/t-c4x: Can now build all front ends.
8396 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8398 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8400 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8402 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8403 * config/t-rtems: Do not install assert.h -- use newlib's.
8405 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8407 * combine.c (combine_instructions): When finished, call init_recog.
8408 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8410 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8412 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8414 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8416 * cppalloc.c (memory_full): Mark function prototype with
8419 * demangle.h (collect_exit): Likewise.
8421 * fix-header.c (v_fatal, fatal): Likewise.
8423 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8426 * gcov.c (print_usage): Likewise.
8428 * genattr.c (fatal, fancy_abort): Likewise.
8430 * genattrtab.c (fatal, fancy_abort): Likewise.
8432 * gencodes.c (fatal, fancy_abort): Likewise.
8434 * genconfig.c (fatal, fancy_abort): Likewise.
8436 * genemit.c (fatal, fancy_abort): Likewise.
8438 * genextract.c (fatal, fancy_abort): Likewise.
8440 * genflags.c (fatal, fancy_abort): Likewise.
8442 * genopinit.c (fatal, fancy_abort): Likewise.
8444 * genoutput.c (fatal, fancy_abort): Likewise.
8446 * genpeep.c (fatal, fancy_abort): Likewise.
8448 * genrecog.c (fatal, fancy_abort): Likewise.
8450 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8451 __sjpopnthrow, __throw): Likewise.
8453 * objc/objc-act.c (objc_fatal): Likewise.
8455 * protoize.c (usage, aux_info_corrupted,
8456 declare_source_confusing): Likewise.
8458 * rtl.c (dump_and_abort): Likewise.
8460 * rtl.h (sets_cc0_p): Likewise.
8462 * toplev.c (float_signal, pipe_closed): Likewise.
8464 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8466 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8467 when generating the decision tree for the general case.
8469 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8470 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8472 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8474 * Makefile.in (sched.o): Depend on recog.h.
8476 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8477 (unsigned) when comparing against one.
8478 (find_base_value): Likewise.
8479 (record_base_value): Cast variable `regno' to (unsigned) when
8480 comparing against one. Cast the result of REGNO() macro to
8481 (unsigned) when comparing against one.
8482 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8484 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8485 variable where an unsigned index is needed.
8487 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8488 before comparing against one.
8490 * collect2.c: Add prototypes for functions `error', `fatal' and
8491 `fatal_perror'. Make these functions take variable arguments
8492 instead of faking it with a fixed number of args.
8493 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8496 * combine.c (can_combine_p): Mark parameter `pred' with
8498 (find_split_point): Cast variable `src' to (unsigned
8499 HOST_WIDE_INT) when comparing against one.
8500 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8501 (simplify_logical): Likewise.
8502 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8503 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8504 HOST_WIDE_INT) in shift.
8505 (simplify_and_const_int): Cast result of INTVAL() macro to
8506 `unsigned HOST_WIDE_INT' when comparing against one.
8507 (merge_outer_ops): Cast variable const0 to `unsigned
8508 HOST_WIDE_INT' when comparing against the result of
8509 GET_MODE_MASK() macro.
8510 (simplify_comparison): Likewise for variable `c0'. Cast variable
8511 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8512 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8513 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8514 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8515 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8516 comparing against one.
8517 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8519 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8520 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8521 (output_block_move): Cast `sizeof' expression to (int) when
8522 comparing against one.
8523 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8525 (save_restore_insns): Cast `base_offset' to `long' to match format
8526 specifier in fprintf.
8528 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8529 to `enum machine_mode'.
8531 * flow.c (life_analysis_1): Remove unused variable `insn'.
8533 * gcc.c (translate_options): Move variables `j' and `k' into the
8534 scope in which they are used. Change their types to `size_t'.
8535 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8536 (read_specs): Likewise.
8537 (process_command): Cast `sizeof' to (int) when comparing against one.
8538 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8539 (handle_braces): Cast both sides of `==' expression to `long' to
8540 ensure sign matching.
8541 (main): Cast variable `i' to `int' when comparing against one.
8543 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8544 int to size_t. Cast variable `i' to size_t when comparing against
8547 * genattrtab.c (convert_set_attr_alternative): Remove unused
8548 parameter `insn_code'. All callers changed.
8549 (convert_set_attr): Likewise.
8551 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8552 size_t when comparing against one. Likewise for variable `len'.
8554 * global.c (global_alloc): Cast variable `max_regno' to size_t
8555 when comparing against one. Likewise for variable `max_allocno'.
8557 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8559 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8560 `set' with ATTRIBUTE_UNUSED.
8561 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8564 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8565 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8566 (get_condition): Cast variable `const_val' to `unsigned
8567 HOST_WIDE_INT' when comparing against one. Cast unsigned
8568 expression to HOST_WIDE_INT when comparing against one.
8569 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8570 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8571 `unsigned' when comparing against one.
8573 * protoize.c (is_id_char): Change type of parameter `ch' to
8575 (munge_compile_params): Cast argument of ctype macro to (const
8577 (process_aux_info_file): Cast variable `aux_info_size' to int when
8578 comparing against one.
8579 (forward_to_next_token_char): Cast argument of ctype macro to
8580 `const unsigned char'.
8581 (edit_formals_lists): Likewise.
8582 (find_rightmost_formals_list): Likewise.
8583 (add_local_decl): Likewise.
8584 (add_global_decls): Likewise.
8585 (edit_fn_definition): Likewise.
8586 (do_cleaning): Likewise.
8587 (scan_for_missed_items): Likewise.
8588 (edit_file): Cast variable `orig_size' to (int) when comparing
8590 (main): Cast argument of ctype macro to `const unsigned char'.
8592 * recog.c (const_int_operand): Mark parameter `mode' with
8595 * regclass.c (record_reg_classes): Change type of variable `c' to
8596 `unsigned char'. Cast `char' array index to `unsigned char'.
8598 * reload.c (push_secondary_reload): Cast argument to
8599 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8601 * reload1.c (calculate_needs): Cast `char' array index to
8603 (set_label_offsets): Change type of variable `i' to unsigned int.
8604 Cast result of XVECLEN() macro to unsigned when comparing against
8606 (mark_not_eliminable): Change type of variable `i' to unsigned.
8607 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8608 when comparing against one.
8609 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8610 comparing against one.
8611 (choose_reload_regs): Hide unused label `fail'.
8612 (reload_cse_simplify_operands): Cast `char' array index to
8614 (reload_combine_note_store): Mark parameter `set' with
8615 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8617 (reload_cse_move2add): Remove unused variable `src2'.
8619 * sched.c: Include recog.h.
8620 (sched_note_set): Remove unused parameter `b'. All callers
8622 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8623 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8624 when comparing against one.
8626 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8627 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8628 comparing against one.
8630 * unroll.c (precondition_loop_p): Remove unused parameter
8631 `loop_end'. All callers changed.
8633 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8635 * reload1.c (maybe_fix_stack_asms): New static function.
8638 * reload.h (compute_use_by_pseudos): Declare.
8640 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8641 (something_needs_reloads): Delete variable.
8642 (finish_spills): New function.
8643 (compute_use_by_pseudos): New function.
8645 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8646 Use the reload_insn_chain instead of walking the rtl directly.
8648 (reload): Allocate and free spilled_pseudos.
8649 Ensure that all calls of spill_hard_reg are followed by a call to
8651 Use the insns_need_reload list instead of something_needs_reloads
8652 to find out if reload_as_needed must be called.
8653 Clear unused_insn_chains at the end.
8655 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8657 Delete code to keep track of current basic block.
8658 Walk reload_insn_chain instead of the rtl structure. Build the
8659 insns_need_reload chain.
8660 Remember which insns need reloading/elimination by setting the
8661 appropriate fields in struct insn_chain, not by putting modes on the
8664 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8665 arg INSN. All callers changed.
8666 Delete declaration of struct needs.
8667 Don't set something_needs_reloads.
8668 Record insn needs in the CHAIN argument.
8670 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8672 (reload_as_needed): Lose FIRST arg. All callers changed.
8673 Walk the reload_insn_chain instead of the rtx structure.
8674 Delete code to keep track of current basic block.
8675 Rename one of the NEXT variables to OLD_NEXT.
8677 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8679 (choose_reload_regs): Likewise.
8681 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8684 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8685 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8686 (hard_regs_live, hard_regs_need_restore): Delete variables.
8687 (n_regs_saved): Now static.
8688 (referenced_regs, this_insn_sets): New variables.
8690 (setup_save_areas): Restructure the code a bit.
8692 (restore_referenced_regs): Delete function.
8693 (mark_referenced_regs): New function, similar to the old
8694 restore_referenced_regs, but mark registers in referenced_regs.
8696 (clear_reg_live): Delete function.
8697 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8698 Only mark registers in this_insn_sets.
8700 (save_call_clobbered_regs): Rework this function to walk the
8701 reload_insn_chain instead of using the list of instructions directly.
8702 Delete code to keep track of register lives, compute live regs on the
8703 fly from information in the chain.
8704 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8705 then walk the set it computes and call insert_restore as appropriate.
8707 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8709 Restructure the code a bit. Test hard_regs_saved instead of
8710 hard_regs_need_restore.
8711 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8712 args. All callers changed.
8713 Restructure the code a bit. Use TO_SAVE to determine which regs to
8714 save instead of more complicated test.
8715 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8717 Create a new insn_chain structure for the new insn and place it
8720 * rtl.texi: Update documentation to reflect that reload no longer
8721 puts modes on the insns.
8723 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8725 * function.c (purge_addressof_1): Force the first argument of a
8726 CALL insn to memory.
8728 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8730 * rtl.h: Delete duplicate prototypes. Add some missing
8732 * rtlanal.c: (for_each_rtx): Formatting tweak.
8734 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8736 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8737 to be compatible with TI compiler.
8739 * Makefile.in (USER_H): Add va-c4x.h to definition.
8741 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8743 * function.c (purge_addressof_1): Fix typo in inequality: do
8744 bitfield optimization for equal mode sizes.
8745 * expmed.c (store_bit_field): Don't take subregs of subregs in
8746 the movstrict case. Tidy a potential problem in the multi-word case.
8747 (extract_bit_field): Likewise.
8749 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8751 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8753 Compute max_uid_for_flow by calling get_max_uid after the scan.
8754 (find_basic_blocks_1): Don't emit NOPs here.
8756 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8758 * alias.c (base_alias_check): Accept new args for the modes of the
8759 two references. Use them to determine if an AND can overlap. Update
8761 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8762 to determine if an AND can overlap.
8764 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8766 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8767 check. Add comment to document problems with TARGET_SUN_FPA version
8769 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8771 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8773 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8775 * c-common.c (print_char_table): Add missing initializers.
8776 (scan_char_table): Likewise.
8777 (time_char_table): Likewise.
8779 * c-decl.c (c_decode_option): Mark parameter `argc' with
8781 (declare_parm_level): Mark parameter `definition_flag' with
8784 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8785 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8788 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8790 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8792 (expand_call): Cast result of MIN() to (unsigned int) when
8793 comparing against an unsigned value.
8795 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8797 (make_definition): Remove unused parameter `op'. All callers
8799 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8800 comparing against the result of pointer arithmetic.
8802 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8803 when comparing against one.
8805 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8806 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8808 (output_die): Move variable `i' into the scope in which it is
8809 used. Change its type to `unsigned'.
8810 (output_die): Cast the result of `strlen' to (int) when passing it
8811 to ASM_OUTPUT_ASCII().
8812 (output_pubnames): Likewise.
8813 (output_line_info): Likewise.
8815 * emit-rtl.c (global_rtl): Add missing initializers.
8817 * explow.c (promote_mode): Mark parameter `for_call' with
8820 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8821 `unsigned HOST_WIDE_INT' when comparing against one.
8822 (synth_mult): Change type of variable `cost' to int.
8823 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8825 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8826 when comparing against one.
8827 (get_inner_reference): Change variable `alignment' to unsigned.
8828 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8829 int) when comparing against one.
8830 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8832 * fold-const.c (div_and_round_double): Cast BASE to
8833 (HOST_WIDE_INT) when comparing against one.
8835 * gencheck.c: Include gansidecl.h.
8836 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8838 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8839 `tcode' with ATTRIBUTE_UNUSED.
8841 * real.c (edivm): Cast constant value to (unsigned long) in
8842 expression compared against an unsigned value.
8844 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8845 comparing against one.
8846 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8847 when comparing against one.
8849 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8850 (unsigned int) when comparing against one. Likewise for
8852 (smallest_mode_for_size): Likewise.
8853 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8854 (restore_storage_status): Likewise.
8856 * toplev.c (debug_args): Add missing initializer.
8857 (f_options): Spelling correction. Add missing initializers.
8858 (documented_lang_options): Likewise.
8859 (debug_end_source_file): Mark parameter `lineno' with
8862 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8863 `decl' and `type' with ATTRIBUTE_UNUSED.
8865 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8866 when comparing against one.
8867 (assemble_variable): Mark parameter `top_level' with
8869 (assemble_external_libcall): Mark parameter `fun' with
8871 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8874 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8876 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8877 Replace use of r5 with use of r19.
8879 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8881 * config/v850/v850.c (compute_register_save_size): Allow for the
8882 fact that helper functions save all registers, not just those used
8885 Replace constant 31 with macro LINK_POINTER_REGNUM.
8887 * config/v850/v850.md: Use 'indirect_operand' rather than
8888 'memory_operand' for bit test/set/clear patterns.
8890 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8892 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8893 * varasm.c (assemble_start_function et al): Don't call
8894 ASM_GLOBALIZE_LABEL for weak symbols.
8896 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8898 * cse.c (equiv_constant): Check for NULL return from
8899 gen_lowpart_if_possible().
8901 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8903 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8905 * collect2.c (main): Pass -EL/-EB through to the compiler.
8907 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8909 * expr.c (push_block): Handle targets where the stack grows
8910 to higher addresses, but args grow to lower addresses and
8911 ACCUMULATE_OUTGOING_ARGS is not defined.
8913 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8915 * config/v850/v850.c (print_operand): Extend meaning
8916 of 'c' operands to support .vtinherit.
8918 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8920 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8921 Added ATTRIBUTE_UNUSED to unused function arguments.
8922 (rc_reg_operand): New predicate.
8923 (c4x_rptb_insert): New function.
8924 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8925 (c4x_optimization_options): New function.
8927 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8928 (decrement_and_branch_on_count): New pattern.
8929 (rptb_top): Modified pattern to work with BCT optimization.
8931 * config/c4x/c4x.h (RC_REG): New register class.
8932 (rc_reg_operand): Define prototype.
8933 (IS_RC_REG): New macro.
8934 (IS_RC_OR_PSEUDO_REG): New macro.
8935 (IS_RC_OR_PSEUDO_REGNO): New macro.
8936 (OPTIMIZATION_OPTIONS): Define.
8938 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8940 * collect2.c (extract_init_priority): No priority is 65535.
8942 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8944 * Makefile.in (build_tooldir): new variable, same as old
8945 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8946 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8947 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8949 * configure.in (gxx_include_dir): set default based on unlibsubdir
8950 * Makefile.in (tooldir): ditto
8951 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8952 gxx_include_dir, includedir and tooldir
8953 (protoize.o, unprotoize.o): ditto
8955 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8957 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8959 * config/arm/thumb.c (thumb_override_options): Add warning about
8960 PIC code not being supported just yet.
8962 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8964 * flow.c: Update comment.
8965 (notice_stack_pointer_modification): New static function.
8966 (record_volatile_insns): Use it.
8967 (mark_regs_live_at_end): Mark the stack pointer as alive
8968 at the end of the function if current_function_sp_is_unchanging
8970 (life_analysis_1): Set current_function_sp_is_unchanging.
8971 * function.c: Define it.
8972 (init_function_start): Initialize it.
8973 * output.h: Declare it.
8974 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8975 the stack pointer as alive at the end of the function if
8976 current_function_sp_is_unchanging is set.
8977 * i386.c (ix86_epilogue): Optimize the restoring
8978 of the stack pointer.
8980 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8982 * version.c: Bump for snapshot.
8984 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8986 * c-pragma.c (handle_pragma_token): If passed a token instead
8987 of a tree, use that as the pack value.
8989 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8991 * flow.c (find_basic_blocks_1): Fix prototype.
8993 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8995 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8996 (struct tree_decl): New fields no_check_memory_usage.
8997 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8998 (init_attributes): Register it as a new attribute.
8999 (decl_attributes): Set flags on functions given that attribute.
9000 * c-decl.c (duplicate_decls): Merge new attribute.
9001 * expr.h (current_function_check_memory_usage): Declare new var.
9002 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
9003 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
9004 current_function_check_memory_usage.
9005 * function.h: Add field to struct function.
9006 * function.c (current_function_check_memory_usage): Define it.
9007 (push_function_context_to, pop_function_context_from): Save and
9009 (expand_function_start): Set it, based on global flag and function
9012 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
9013 check non-automatic variables, to permit detection of writes to
9014 read-only locations in embedded systems without memory management.
9015 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
9016 when emitting chkr_set_right_libfunc call, even if the argument is
9017 BLKmode or variable-sized; don't abort.
9019 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
9020 symbols in Pmode, not VOIDmode.
9022 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9024 * cppexp.c: When forcing unsigned comparisons, cast both sides
9027 * cpphash.h: Move static declaration of hashtab[]...
9028 * cpphash.c: ...here.
9030 * cpplib.c: Cast difference of two pointers to size_t before
9031 comparing it to size_t. Cast signed to unsigned
9032 before comparing to size_t. (FIXME: struct argdata should use
9033 unsigned buffer sizes.)
9034 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
9035 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
9036 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
9037 size_t before comparison.
9039 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
9041 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
9042 (find_basic_blocks_1): Similarly.
9043 * output.h (find_basic_blocks): Fix prototype.
9044 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
9045 find_basic_blocks anymore.
9047 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
9049 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
9050 (sbitmap_free, sbitmap_vector_free): New macros.
9051 * output.h (rtl_dump_file): Declare.
9053 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
9055 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
9057 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9059 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
9061 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
9062 (divide): Remove unused variable `tmp'.
9063 (si_to_float): Cast numeric constant to (SItype) before comparing
9066 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
9068 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
9069 * gcc.c (add_preprocessor_option): Correct typo when allocating
9070 memory, sizeof() argument had one too many `*'.
9071 (add_assembler_option): Likewise.
9072 (add_linker_option): Likewise.
9073 * gcov.c (output_data): Likewise.
9074 * local-alloc.c (memref_used_between_p): Likewise.
9075 (update_equiv_regs): Likewise.
9076 * loop.c (strength_reduce): Likewise.
9077 * reg-stack.c (record_asm_reg_life): Likewise.
9078 (subst_asm_stack_reg): Likewise.
9079 * reorg.c (dbr_schedule): Likewise.
9081 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9083 * flow.c (life_analysis_1): Break out some functions.
9084 (find_basic_blocks_1): Likewise. Also move some variables out and
9086 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
9087 new static var nonlocal_label_list with it.
9088 (active_eh_region, nested_eh_region, label_value_list,
9089 nonlocal_label_list): New static variables.
9090 (make_edges, delete_unreachable_blocks, delete_block): New static
9091 functions, broken out of find_basic_blocks_1.
9092 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
9093 noop_move_p): New static functions, broken out of life_analysis_1.
9095 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
9097 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
9098 Take extra care for op0 now possibly being a subreg.
9099 (extract_bit_field): Likewise.
9100 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
9101 the reg to memory if there is no equal sized integral mode.
9102 * stor-layout.c (int_mode_for_mode): New function.
9103 * machmode.h: Prototype it.
9105 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
9107 * global.c (build_insn_chain): Verify no real insns exist past the
9108 end of the last basic block, then exit the loop.
9110 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
9112 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
9114 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
9116 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
9118 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
9120 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
9122 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
9124 * flow.c (find_basic_blocks): Correctly determine when a call
9125 is within an exception region.
9127 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
9129 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
9131 * cpplib.h: Protect from multiple inclusions.
9132 * cpplib.c: Fix minor formatting problems.
9134 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
9136 * jump.c (jump_optimize): Revert accidental patch.
9138 * Makefile.in (cpplib.o): Use unlibsubdir.
9140 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
9142 * loop.c (get_condition): Allow combine when either compare is
9145 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
9147 * version.c: Bump for snapshot.
9149 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
9151 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
9152 (init_lex): Initialize ridpointers[RID_BYREF].
9153 * c-lex.h (enum rid): Add RID_BYREF.
9154 * c-parse.gperf: Add RID_BYREF as a type qualifier.
9155 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
9156 (encode_type_qualifiers): Similarly
9157 * c-gperf.h: Rebuilt.
9159 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
9161 * c-common.c (type_for_mode): Only return TItype nodes when
9162 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9163 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
9164 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9165 (init_decl_processing): Only create TItype nodes when
9166 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9167 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
9168 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9170 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9172 * stmt.c (n_occurrences): New static function.
9173 (expand_asm_operands): Verify that all constrains match in the
9174 number of alternatives.
9175 Verify that '+' or '=' are at the beginning of an output constraint.
9176 Don't allow '&' for input operands.
9177 Verify that '%' isn't written for the last operand.
9178 * reload.c (find_reloads): Abort if an asm is found with invalid
9179 constraints; all possible problems ought to be checked for earlier.
9181 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9183 * flags.h (flag_branch_on_count_reg): Always declare
9184 * toplev.c (flag_branch_on_count_reg): Likewise.
9185 * toplev.c: Fix typos.
9187 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
9190 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
9192 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9194 (find_basic_blocks_1): Add a nop to the end of a basic block when
9195 a trailing call insn does not have abnormal control flow.
9196 * gcse.c (pre_transpout): New variable.
9197 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9198 (compute_pre_transpout): Calculate it.
9199 (compute_pre_ppinout): Use it to eliminate impossible placements
9200 due to abnormal control flow through calls.
9201 (compute_pre_data): Call compute_pre_transpout.
9203 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9205 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9207 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9209 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9210 and matching define_insns): Tack on a `use' of the table label, so
9211 flow analysis will recognize a tablejump.
9213 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9215 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9216 always end basic blocks for abnormal edge reasons.
9218 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9220 * config/i386/i386.h: Remove definition of
9221 HANDLE_PRAGMA_PACK_PUSH_POP.
9223 * config/i386/go32.h: Add definition of
9224 HANDLE_PRAGMA_PACK_PUSH_POP.
9226 * config/i386/win32.h: Add definition of
9227 HANDLE_PRAGMA_PACK_PUSH_POP.
9229 * config/i386/cygwin32.h: Add definition of
9230 HANDLE_PRAGMA_PACK_PUSH_POP.
9232 * c-pragma.c (insert_pack_attributes): Do not insert
9233 attributes unless #pragma pack(push,<n>) is in effect.
9235 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9237 * expr.c (emit_group_store): Handle a PARALLEL destination.
9239 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9241 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9242 the new insns before the argument regs are loaded.
9244 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9246 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9247 (c-parse.gperf): Update comments describing invocation flags.
9248 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9250 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9252 * reload1.c (reload): Call free before clobbering the memory
9253 locations or constants pointers.
9255 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9257 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9258 for efficiency by checking whether we need to modify the current
9259 stack permission at all.
9260 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9261 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9262 __enable_execute_stack libcall here too if
9263 TRANSFER_FROM_TRAMPOLINE is defined.
9264 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9267 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9269 * Makefile.in (DRIVER_DEFINES): Remove last change.
9271 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9273 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9274 insns we're going to copy.
9275 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9277 * loop.c (count_one_set): Add prototype.
9279 * caller-save.c (restore_referenced_regs): Lose mode argument.
9280 (insert_save): Lose mode argument.
9281 (insert_restore): Lose mode argument.
9282 (insert_one_insn): Lose mode argument.
9283 (save_call_clobbered_regs): Lose mode argument.
9284 (setup_save_areas): Take no argument and return void. All callers
9286 Don't verify validity of memory addresses.
9287 * reload.h (setup_save_ares): Adjust prototype.
9288 (save_call_clobbered_regs): Likewise.
9289 * reload1.c (delete_caller_save_insns): New function.
9290 (caller_save_spill_class): Delete variable.
9291 (caller_save_group_size): Delete variable.
9292 (reload): Call setup_save_areas and save_call_clobbered_regs
9293 in the main loop, before calling calculate_needs_all_insns.
9294 Don't call save_call_clobbered_regs after the loop.
9295 Call delete_caller_save_insns at the end of an iteration if
9297 Delete code to manage caller_save_spill_class.
9298 Emit the final note before setting reload_first_uid.
9299 Simplify test that determines whether reload_as_needed gets run.
9300 (calculate_needs): Delete code to manage caller_save_spill_class.
9302 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9304 * collect2.c (main): Initialize ld_file_name.
9306 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9308 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9309 check for flag_function_sections.
9311 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9313 * cse.c (insert_regs): Fix bug in Sep 24 change.
9315 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9317 * flags.h (flag_dump_unnumbered): Declare.
9318 * toplev.c (flag_dump_unnumbered): Don't declare.
9319 * print-rtl.c (flags.h): Include.
9320 (print_rtl_single): Add return value.
9321 * rtl.h (print_rtl_single): Update declaration.
9322 * flow.c (flag_dump_unnumbered): Don't declare.
9323 (print_rtl_with_bb): Use return value of print_rtl_single.
9325 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9327 * loop.c (count_one_set): New static function, broken out of
9329 (count_loop_regs_set): Call it.
9330 * global.c (mark_reg_store): Handle clobbers here by not calling
9332 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9333 is in fact a clobber.
9334 * integrate.c (process_reg_param): New function, broken out of
9335 expand_inline_function.
9336 (expand_inline_function): Call it.
9339 * i386.md (addsidi3_1): Delete unused variable temp.
9340 (addsidi3_2): Likewise.
9341 (clstrstrsi): Delete unused variable addr1.
9343 * rtl.h: Don't declare any functions also declared in recog.h.
9345 * Makefile.in (stupid.o): Update dependencies.
9346 (global.o): Likewise.
9348 * global.c: Include reload.h
9349 (reg_becomes_live): New function.
9350 (reg_dies): New function.
9351 (build_insn_chain): New function.
9352 (global_alloc): Call build_insn_chain before calling reload.
9354 * reload.h (struct needs): New structure definition.
9355 (struct insn_chain): Likewise.
9356 (reload_insn_chain): Declare variable.
9357 (new_insn_chain): Declare function.
9360 * reload1.c (reload_startobj): New variable.
9361 (reload_insn_chain): New variable.
9362 (unused_insn_chains): New variable.
9363 (new_insn_chain): New function.
9364 (init_reload): Initialize reload_startobj, not reload_firstobj.
9365 (reload): Initialize reload_firstobj.
9366 Before returning, free everything on the reload_obstack.
9368 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9369 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9370 current_chain): New variables.
9371 (reg_where_born): Delete variable.
9372 (REG_WHERE_BORN): New macro.
9373 (find_clobbered_regs): New function.
9374 (stupid_life_analysis): Don't allocate/free reg_where_born.
9375 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9376 reg_where_dead_chain.
9377 Use REG_WHERE_BORN instead of reg_where_born.
9378 While processing the insns, build the reload_insn_chain with
9379 information about register lifetimes.
9380 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9381 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9383 Compute and information about birth and death of pseudo registers in
9384 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9385 Delete code to set elements of reg_where_born.
9387 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9389 * tree.def (GOTO_EXPR): Modified documentation.
9390 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9393 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9395 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9396 loop_final_value, loop_comparison_code): No longer static.
9397 (unroll_loop): Delete loop_start_value update.
9398 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9399 loop_final_value, loop_comparison_code): Extern.
9400 (loop_start_value): Delete extern.
9401 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9402 loop_comparison_value, loop_comparison_code): Delete.
9403 (loop_optimize): Remove initialization for deleted variables.
9404 (strength_reduce): Delete analyze_loop_iterations call. Only call
9405 insert_bct if flag_branch_count_on_reg set.
9406 (analyze_loop_iterations): Delete.
9407 (insert_bct): Remove iteration count calculation. Move checks for
9408 viable BCT optimization to here. Obtain iteration count from
9409 loop_iterations and correct for unrolling. Check for enough
9410 iteration to be beneficial. Comment out runtime iteration count
9412 (insert_bct): Print iteration count in dump file. Remove
9413 loop_var_mode and use word_mode directly.
9415 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9416 * rs6000.c (rs6000_override_options): Use it.
9417 (optimization_options): Enable use of flag_branch_on_count_reg.
9418 * rs6000.md (define_function_unit): Describe 604e.
9420 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9422 * loop.c (move_movables): Corrected threshold calculation for
9423 moved_once registers.
9425 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9427 * loop.c (combine_givs_p): Fix test for identical givs.
9429 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9431 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9432 call abort if the function is already defined.
9434 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9436 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9437 truncation is not a no-op.
9439 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9441 * version.c: Bump for snapshot.
9443 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9445 * version.c: Bump for snapshot.
9447 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9449 * expmed.c (expand_divmod): Don't widen for computing remainder
9450 if we seem to have a divmod pattern for needed mode.
9452 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9454 * cpplib.c (macroexpand): Correct off-by-one error in handling
9457 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9459 * combine.c (expand_field_assignment): Don't do bitwise operations
9460 on MODE_FLOAT; pun to MODE_INT if possible.
9462 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9463 scott snyder <snyder@d0sgif.fnal.gov>
9465 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9466 linker. Recognize mangled names in quotes.
9468 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9470 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9471 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9472 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9473 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9475 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9477 * function.c (purge_addressof_1): If trying to take a sub-word
9478 integral piece of a floating point mode, put it on the stack.
9480 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9482 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9484 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9486 * PROJECTS: Remove template friends.
9488 * collect2.c (sort_ids): Remove unused variable.
9490 * tm.texi (MATH_LIBRARY): Document.
9491 (NEED_MATH_LIBRARY): Remove.
9493 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9494 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9496 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9498 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9499 last_end to 0x7fffffff.
9501 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9503 * function.c (purge_addressof_1): Do not perform endianness
9504 corrections on bitpos, who we call will do it for us.
9506 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9508 * h8300.c (WORD_REG_USED): Fix typo.
9509 (initial_offset): Use WORD_REG_USED.
9511 * h8300.c (handle_pragma): Fix typo.
9513 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9515 * caller-save.c (insert_save_restore): Break this function up
9516 into new functions insert_restore, insert_save and insert_one_insn.
9517 All callers changed.
9518 (insert_restore): New function, mostly broken out of
9519 insert_save_restore.
9520 (insert_save): Likewise.
9521 (insert_one_insn): Likewise.
9522 (restore_referenced_regs): New argument BLOCK. All callers changed.
9523 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9524 in this function, do it in insert_one_insn instead.
9526 * reload1.c (reload): Break out some more pieces into separate
9528 (dump_needs): New function, broken out of reload.
9529 (set_initial_elim_offsets): Likewise.
9530 (init_elim_table): Likewise.
9531 (update_eliminables): Likewise.
9533 * global.c (global_alloc): Delete code to manage the scratch_list.
9534 * local-alloc.c (qty_scratch_rtx): Delete.
9535 (scratch_block): Delete.
9536 (scratch_list): Delete.
9537 (scratch_list_length): Delete.
9538 (scratch_index): Delete.
9539 (alloc_qty_for_scratch): Delete.
9540 (local-alloc): Update initialization of max_qty.
9541 Delete code to manage the scratch list.
9542 Delete code to allocate/initialize qty_scratch_rtx.
9543 (block_alloc): Don't allocate quantities for scratches.
9544 Delete code to manage the scratch list.
9545 * regs.h (scratch_list): Delete declaration.
9546 (scratch_block): Delete declaration.
9547 (scratch_list_length): Delete declaration.
9548 * reload1.c (reload): Delete code to manage the scratch list.
9549 (spill_hard_reg): Likewise.
9550 (mark_scratch_live): Delete.
9552 * recog.c (alter_subreg): Delete declaration.
9554 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9556 * Makefile.in (cccp.o): Fix typo in last patch.
9558 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9560 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9561 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9563 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9565 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9566 NULL_RTX as an argument.
9568 * Makefile.in (unlibsubdir): Define.
9569 (DRIVER_DEFINES): Use unlibsubdir.
9570 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9571 (stmp-fixinc): Similarly.
9573 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9575 * regmove.c (regmove_optimize): Add variable old_max_uid.
9576 At the end of the function, update basic_block_end.
9578 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9580 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9581 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9584 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9586 * config/arm/arm.c: Improve interworking support.
9588 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9590 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9591 copied from reload_out[r] .
9593 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9595 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9596 with more than three size ranges.
9598 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9600 * rtl.c (mode_name): Add a null string at the end of the array.
9601 (mode_wider_mode): Change type to unsigned char.
9602 (mode_mask_array): New variable.
9603 (init_rtl): Update for mode_wider_mode type change.
9605 * rtl.h (mode_wider_mode): Change type to unsigned char.
9606 (mode_mask_array): Declare.
9607 (GET_MODE_MASK): Use mode_mask_array.
9609 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9611 * calls.c (expand_call) : Encapsulate code into
9612 copy_blkmode_from_reg.
9613 * expr.c (copy_blkmode_from_reg): New function.
9614 * expr.h (copy_blkmode_from_reg): New function.
9615 * integrate.c (function_cannot_inline_p): We can inline
9617 (expand_inline_function): Use copy_blkmode_from_reg
9618 if needed. Avoid creating BLKmode REGs.
9619 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9622 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9624 * config/v850/v850.c: Add function prototypes.
9625 Add support for v850 special data areas.
9627 * config/v850/v850.h: Add support for v850 special data areas.
9629 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9630 HANDLE_PRAGMA_PACK_PUSH_POP.
9631 (push_alignment): New function: Cache an alignment requested
9632 by a #pragma pack(push,<n>).
9633 (pop_alignment): New function: Pop an alignment from the
9635 (insert_pack_attributes): New function: Generate __packed__
9636 and __aligned__ attributes for new decls whilst a #pragma pack
9638 (add_weak): New function: Cache a #pragma weak directive.
9639 (handle_pragma_token): Document calling conventions. Add
9640 support for #pragma pack(push,<n>) and #pragma pack (pop).
9642 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9643 are defined enable HANDLE_PRAGMA_PACK.
9644 Move 'struct weak_syms' here (from varasm.c).
9645 Add pragma states for push and pop pragmas.
9647 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9650 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9651 HANDLE_GENERIC_PRAGMAS.
9653 * varasm.c: Move definition of 'struct weak_syms' into
9655 (handle_pragma_weak): Deleted.
9657 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9659 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9661 * c-decl.c (start_function): Add invocation of
9662 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9664 * tm.texi: Remove description of non-existant macro
9665 SET_DEFAULT_SECTION_NAME.
9667 (HANDLE_SYSV_PRAGMA): Document.
9668 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9670 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9672 * config.sub: Recognize i[34567]86-pc-udk as new target.
9673 * configure.in: Likewise.
9674 * config/i386/t-udk: New file.
9675 * config/i386/udk.h: New file.
9677 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9679 * reorg.c (check_annul_list_true_false): Remove unused variables.
9680 (steal_delay_list_from_target): Add missing "used_annul" variable.
9681 (try_merge_delay_insns): Close out half formed comment.
9683 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9685 * cpplib.c (macroexpand): If arg->raw_before or
9686 arg->raw_after, remove any no-reexpansion escape at the
9687 beginning of the pasted token. Correct handling of whitespace
9688 markers and no-reexpand markers at the end if arg->raw_after.
9690 * toplev.c (documented_lang_options): Recognize -include,
9691 -imacros, -iwithprefix, -iwithprefixbefore.
9692 * cpplib.c (cpp_start_read): Process -imacros and -include
9693 switches at the same time and in command-line order, after
9694 initializing the dependency-output code. Emit properly nested
9695 #line directives for them. Emit a #line for the main file
9696 before processing these switches, and don't do it again
9699 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9701 * function.c (purge_addressof_1): Use bitfield manipulation
9702 routines to handle mem mode < reg mode.
9704 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9706 * reorg.c (try_merge_delay_insns): Account for resources referenced
9707 in each instruction in INSN's delay list before trying to eliminate
9708 useless instructions. Similarly when looking at a trial insn's delay
9711 * reorg.c (check_annul_list_true_false): New function.
9712 (steal_delay_list_from_{target,fallthrough}): Call it and also
9713 refine tests for when we may annul if already filled a slot.
9714 (fill_slots_from_thread): Likewise.
9715 (delete_from_delay_slot): Return newly-created thread.
9716 (try_merge_delay_isns): Use its new return value.
9718 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9720 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9721 used to compute a giv or as some other non-counting use.
9723 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9725 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9726 * local-alloc.c (find_free_reg): Use it.
9727 * global.c (find_reg): Likewise.
9728 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9730 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9731 * caller-save.c (init_caller_save): Use it.
9732 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9734 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9736 * configure.in: Add --enable-cpplib option which uses cpplib
9737 for cpp, but doesn't link cpplib into cc1. Make help text
9738 capitalization consistent.
9739 * configure: Rebuilt.
9741 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9743 * function.c (gen_mem_addressof): If the address REG is
9744 REG_USERVAR_P make the new REG be so also.
9745 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9746 in an attempt to clarify slightly.
9748 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9750 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9751 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9753 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9755 * toplev.c: Fix last patch.
9757 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9759 * loop.c (get_condition): Fix typo in May 9 change.
9761 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9763 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9765 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9767 * toplev.c (documented_lang_options): Spelling corrections.
9769 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9771 * configure.in: new flags --with-ld and --with-as, equivalent
9772 to setting LD and AS environment variables. Test whether
9773 specified arguments are GNU commands, and report them with
9774 checking messages. Use the specified AS for configure
9777 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9779 * gcc.c (find_a_file): when looking for `as' and `ld', return
9780 the DEFAULT program if it exists
9781 * collect2.c (main): use DEFAULT_LINKER if it exists
9783 * gcc.c (find_a_file): the test for existence of a full
9784 pathname was reversed
9786 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9788 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9789 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9791 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9793 * tree.h (TYPE_BINFO): Document.
9795 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9797 * i386-coff.h (dbxcoff.h): Added.
9799 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9801 * toplev.c: fix bad patch around flag_data_sections.
9803 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9805 * reload1.c (reload): Use reload_address_index_reg_class and
9806 reload_address_base_reg_class when setting
9807 caller_save_spill_class. (Patch generated by Jim Wilson:
9810 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9812 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9813 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9814 * expr.c (store_field): Add alias_set parameter. Set the
9815 MEM_ALIAS_SET accordingly, if the target is a MEM.
9816 (expand_assignment): Use it.
9817 (store_constructor_field): Pass 0.
9818 (expand_expr): Likewise.
9820 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9822 * flags.h: Add flag_data_sections.
9823 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9824 (compile_file): Error if flag_data_sections not supported.
9825 * varasm.c (assemble_variable): Handle flag_data_sections.
9826 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9827 * config/mips/elf.h: Likewise.
9828 * config/mips/elf64.h: Likewise.
9829 * invoke.texi: Describe -fdata-sections.
9831 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9833 * invoke.texi (-ffloat-store): Clarify that this option
9834 does not affect intermediate results -- only variables.
9836 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9838 * cpp.texi: Update for Fortran usage from Craig.
9840 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
9842 * rs6000.c (function_arg_boundary): Revert accidental change on
9845 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9847 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9848 (output_mi_thunk): Declare.
9850 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9851 (output_function_profiler): Use r12 for temp, instead of r11 so
9852 that we preserve the static chain register.
9854 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9856 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9858 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9860 * sh.c (gen_shl_sext): Fix case 5.
9862 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9864 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9866 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9868 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9869 accessing variables until they are initialized via va_arg().
9871 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9873 * reload1.c (reload_combine): Initialize set before using.
9875 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9877 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9880 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9882 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9883 operand3 with mask before using it. Patch provided by Jim Wilson.
9885 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9887 * config/sparc/sparc.c (function_value): Perform the equivalent of
9888 PROMOTE_MODE for ARCH64.
9889 (eligible_for_epilogue_delay): Allow DImode operations in delay
9890 slot of a return for ARCH64.
9892 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9894 * sh.md (sqrtsf2): Fix mode of sqrt.
9896 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9898 * reload1.c (choose_reload_regs): Also try inheritance when
9899 reload_in is a stack slot of a pseudo, even if we already got a
9902 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9904 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9905 (reload_cse_regs): New function body: call reload_cse_regs_1,
9906 reload_combine, reload_cse_move2add.
9907 When doing expensive_optimizations, call reload_cse_regs_1 a
9908 second time after reload_cse_move2add.
9909 (reload_combine, reload_combine_note_store): New functions.
9910 (reload_combine_note_use): New function.
9911 (reload_cse_move2add, move2add_note_store): New functions.
9913 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9915 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9916 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9918 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9919 more than 3 such reloads.
9921 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9922 RELOAD_FOR_X_ADDR_ADDR reload.
9924 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9926 * expr.c (store_constructor): When initializing a field that is smaller
9927 than a word, at the start of a word, try to widen it to a full word.
9929 * cse.c (cse_insn): When we are about to change a register,
9930 remove any invalid references to it.
9932 (remove_invalid_subreg_refs): New function.
9933 (mention_regs): Special treatment for SUBREGs.
9934 (insert_regs): Don't strip SUBREG for call to mention_regs.
9935 Check if reg_tick needs to be bumped up before that call.
9936 (lookup_as_function): Try to match known word_mode constants when
9937 looking for a norrower constant.
9938 (canon_hash): Special treatment for SUBREGs.
9940 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9942 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9943 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9944 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9945 and offsets in actual stack trampoline code so they match the
9946 commentary and actually work.
9948 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9950 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9952 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9953 tmake_file. Set extra_parts to needed crt objects.
9954 * configure: Rebuilt.
9955 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9956 (TARGET_DEFAULT): Set if default is v9 or ultra.
9957 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9958 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9959 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9960 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9961 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9962 (TARGET_VERSION): Define.
9963 (MULTILIB_DEFAULT): Define.
9964 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9965 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9966 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9968 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9969 * config/sparc/sparc.c (sparc_override_options): If arch and
9970 pointer size disagree, emit diagnostic and fix it up. If
9971 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9972 V8PLUS in 64-bit mode.
9973 * config/sparc/t-linux64: New file.
9974 * config/sparc/t-sol2-64: New file.
9975 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9976 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9977 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9978 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9979 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9980 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9982 (STARTFILE_SPEC): Set approriately based upon those.
9983 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9984 disposition of DEFAULT_ARCH32_P.
9985 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9986 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9987 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9988 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9989 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9991 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9993 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9995 * rtl.h (init_virtual_regs): New function.
9996 * emit-rtl.c (init_virtual_regs): Define.
9997 (insn_emit): Use it.
9998 * integrate.c (save_for_inline_copying): Likewise.
10000 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
10002 * config/arm/thumb.h: The following patches were made by Jim Wilson:
10003 (enum reg_class): Add NONARG_LO_REGS support.
10004 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10005 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
10006 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
10007 completes. Re-enable HImode REG+OFFSET addresses.
10008 (LEGITIMIZE_RELOAD_ADDRESS): Define.
10010 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
10012 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
10014 * alpha.c (get_aligned_mem): Revert Sep 20 change.
10015 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
10016 (alpha_align_insns): Properly calculate initial offset wrt max_align.
10018 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
10020 * arm.c (find_barrier): Revert change of Apr 23. Handle table
10021 jumps as a single entity, taking into account the size of the
10024 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10026 * tree.def (SWITCH_EXPR): New tree node definition.
10028 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
10030 * version.c: Bump for snapshot.
10032 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
10034 * version.c: Bump for snapshot.
10036 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
10038 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
10041 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
10043 * Revert this patch.
10044 * reload.c (find_reloads): Do not replace a pseudo with
10045 (MEM (reg_equiv_addr)) in the initializing insn for the
10048 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
10050 * final.c (final_scan_insn): Disable tracking CC across branches.
10052 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10054 * expr.h (eh_rtime_match_libfunc): New extern declaration.
10055 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
10056 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
10057 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
10058 NULL. Only include <stdio.h> if inhibit_libc is not defined.
10060 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
10062 * toplev.c (rest_of_compilation): Skip compiling anything with
10063 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
10065 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
10067 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
10068 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
10069 use in_libcall_block.
10070 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
10071 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
10074 Mon Sep 21 14:02:23 1998
10076 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
10077 typo in no-fancy-math-387 description.
10079 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
10081 * version.c: Bump for snapshot.
10083 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
10085 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
10087 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
10089 * i386.h: (TARGET_SWITCHES) Add description fields for flags
10090 documented in install.texi.
10091 (TARGET_OPTIONS) Likewise.
10093 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
10095 * version.c: Bump for snapshot.
10097 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
10099 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
10100 * cccp.c (main): Likewise.
10102 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
10103 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
10106 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
10108 * Makefile.in (LIBS): Link in libiberty.a.
10109 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
10111 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
10113 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
10114 it to update bb boundaries. Update caller.
10115 * function.c (reposition_prologue_and_epilogue_notes): Update
10116 bb boundaries wrt the moved note.
10118 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
10120 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
10122 * configure: Regenerate.
10124 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
10126 * alpha.c (alpha_sr_alias_set): New variable.
10127 (override_options): Set it.
10128 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
10129 (mode_mask_operand): Fix signed-unsigned comparision warning.
10130 (alpha_expand_block_move): Likewise.
10131 (print_operand): Likewise.
10132 (get_aligned_mem): Use change_address.
10133 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
10134 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
10135 (alphaev4_next_nop, alphaev5_next_nop): New functions.
10136 (alpha_align_insns): Remade from old alphaev5_align_insns
10137 to handle multiple processors.
10138 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
10139 * output.h (label_to_alignment): Prototype.
10141 * tree.c (new_alias_set): New function.
10142 * tree.h (new_alias_set): Declare it.
10143 * c-common.c (c_get_alias_set): Use it.
10145 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
10147 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
10148 to an ABS expr, convert an unsigned input to signed.
10150 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
10152 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
10154 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10156 * configure.in: Add support for c4x targets.
10157 * configure: Rebuilt.
10159 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
10161 * combine.c (distribute_notes): If an insn is a cc0 user, only
10162 delete it if we can also delete the cc0 setter.
10164 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
10166 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
10167 (invert_truthvalue): Enable truthvalue inversion for
10168 floating-point operands if -ffast-math.
10170 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
10172 * configure.in: Disable collect2 for nextstep. Instead use
10174 * configure: Rebuilt.
10175 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
10176 (ENDFILE_SPEC): Define.
10177 (OBJECT_FORMAT_MACHO): Define.
10178 (EH_FRAME_SECTION_ASM_OP): Define.
10179 * crtstuff.c: Handle MACHO.
10181 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
10183 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
10185 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
10187 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
10188 (_fpadd_parts): Get sign right for 0.
10190 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10192 * ginclude/varargs.h: Add support for C4x target.
10193 * ginclude/stdargs.h: Likewise.
10195 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10197 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10198 (alpha_emit_set_long_const): Rewrite to be callable from reload
10200 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10201 * alpha.md (movdi): Likewise.
10203 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10205 * arm.c (add_constant): New parameter address_only, change caller.
10206 Set it non-zero if taking the address of an item in the pool.
10207 (arm_reorg): Handle cases where we need the address of an item in
10210 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10212 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10213 memory addresses that are not in standard canonical form.
10215 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10217 * README.C4X: New file with information about the c4x ports.
10218 * ginclude/va-c4x.h: New file for c4x varargs support.
10219 * config/c4x: New directory with c4x port files.
10221 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10223 * reload.c (find_reloads): Do not replace a pseudo with
10224 (MEM (reg_equiv_addr)) in the initializing insn for the
10227 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10229 * toplev.c (rest_of_compilation): Set bct_p on second call to
10231 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10233 (strength_reduce): Only call analyze_loop_iterations and
10234 insert_bct if bct_p set.
10235 (check_dbra_loop): Fix typo.
10236 (insert_bct): Use word_mode instead of SImode.
10237 (instrument_loop_bct): Likewise. Do not delete iteration count
10238 condition code generation insn. Initialize iteration count before
10240 * rtl.h (loop_optimize): Update prototype.
10242 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10243 not doubleword aligned.
10245 * rs6000.c (optimization_options): New function.
10246 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10247 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10248 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10249 first; cr1 can be used for FP record condition insns.
10251 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10253 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10256 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10259 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10261 (block_move_call): New function: Call a library routine to copy a
10263 (m32r_expand_block_move): New function: Expand a "movstrsi"
10264 pattern into a sequence of insns.
10265 (m32r_output_block_move): New function: Expand a
10266 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10267 (m32r_block_immediate_operand): New function: Return true if the
10268 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10270 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10272 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10273 re-align some code.
10274 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10276 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10278 * regmove.c (copy_src_to_dest): Check that modes match.
10280 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10282 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10284 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10286 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10287 narrower than FLOAT_REGS.
10289 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10291 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10293 * Makefile.in (old_gxx_include_dir): removed
10295 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10297 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10300 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10301 (sh_handle_pragma): Change function arguments to match new
10302 specification for HANDLE_PRAGMA.
10304 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10306 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10308 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10309 When generating output, initialize missing struct member to zero.
10311 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10313 * regmove.c (copy_src_to_dest): Don't copy if that requires
10314 (a) new register(s).
10316 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10318 * global.c (reg_allocno): Now static.
10319 * reload1.c (reg_allocno): Delete declaration.
10320 (order_regs_for_reload): Take no arguments. Don't treat regs
10321 allocated by global differently than those allocated by local-alloc.
10323 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10325 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10326 condition, fix format strings.
10327 (output_function_epilogue): Likewise.
10329 * m68k/m68k.c: Don't include <stdlib.h> directly.
10331 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10333 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10334 mem_first_set, mem_last_set; because 0 can be a CUID.
10335 (oprs_unchanged_p): Use new definition.
10336 (record_last_reg_set_info): Likewise.
10337 (record_last_mem_set_info): Likewise.
10338 (compute_hash_table): Likewise.
10340 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10342 * rs6000.c (output_epilogue): Handle Chill.
10344 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10345 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10347 * combine.c (make_extraction): If no mode is specified for
10348 an operand of insv, extv, or extzv, default it to word_mode.
10349 (simplify_comparison): Similarly.
10350 * expmed.c (store_bit_field): Similarly.
10351 (extract_bit_field): Similarly.
10352 * function.c (fixup_var_regs_1): Similarly.
10353 * recog.c (validate_replace_rtx_1): Similarly.
10354 * mips.md (extv, extzv, insv expanders): Default modes for most
10355 operands. Handle TARGET_64BIT.
10356 (movdi_uld, movdi_usd): New patterns.
10358 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10359 equivalent memory location unless we have been provided a scratch
10360 register. Similarly do not call find_replacement unless a
10361 scratch register has been provided.
10363 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10365 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10368 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10370 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10371 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10372 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10373 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10374 * c-decl.c (init_decl_processing): Update accordingly.
10375 * expr.c (expand_builtin): Likewise.
10377 * rtl.h (global_rtl): Add cfa entry.
10378 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10379 (LAST_VIRTUAL_REGISTER): Update.
10380 * emit-rtl.c (global_rtl): Add cfa entry.
10381 (init_emit): Initialize it.
10382 * function.c (cfa_offset): New.
10383 (instantiate_virtual_regs): Initialize it.
10384 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10385 (expand_function_end): Call expand_eh_return.
10386 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10388 * except.c (current_function_eh_stub_label): Kill.
10389 (current_function_eh_old_stub_label): Likwise; update all references.
10390 (expand_builtin_set_return_addr_reg): Kill.
10391 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10392 (expand_builtin_set_eh_regs): Kill.
10393 (eh_regs): Produce a third reg for the actual handler address.
10394 (eh_return_context, eh_return_stack_adjust): New.
10395 (eh_return_handler, eh_return_stub_label): New.
10396 (init_eh_for_function): Initialize them.
10397 (expand_builtin_eh_return, expand_eh_return): New.
10398 * except.h: Update prototypes.
10399 * flow.c (find_basic_blocks_1): Update references to the stub label.
10400 * function.h (struct function): Kill stub label elements.
10402 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10403 register number is one that would be in the previous window.
10404 Provide a dummy definition for non-windowed targets.
10405 (get_reg_addr): New function.
10406 (get_reg, put_reg, copy_reg): Use it.
10407 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10408 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10410 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10411 (alpha_init_expanders): Initialize it.
10412 (alpha_expand_epilogue): Use it.
10413 * alpha.h: Declare it.
10414 * alpha.md (eh_epilogue): New.
10416 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10417 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10419 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10421 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10424 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10426 * except.h (struct eh_entry): Add false_label field.
10427 (end_catch_handler): Add prototype.
10428 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10429 (start_catch_handler): When using old style exceptions, issue
10430 runtime typematch code before continuing with the handler.
10431 (end_catch_handler): New function, generates label after handler
10432 if needed by older style exceptions.
10433 (expand_start_all_catch): No need to check for new style exceptions.
10434 (output_exception_table_entry): Only output the first handler label
10435 for old style exceptions.
10436 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10437 mechanism into one function, if a runtime matcher is provided.
10439 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10441 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10443 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10445 * integrate.c (copy_decl_list): Fix typo.
10447 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10449 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10452 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10454 * version.c: Bump for snapshot.
10456 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10458 * version.c: Bump for snapshot.
10460 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10462 * version.c: Bump for snapshot.
10464 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10466 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10468 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10470 * configure.in: remove usage of `!' to negate the result of a
10471 command; some common shells do not support it
10473 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10475 * configure.in: in sparc9-sol2 config, use 'if test' not
10477 * configure: Rebuilt.
10479 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10481 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10482 (CPP_CPU_DEFAULT_SPEC): Likewise.
10483 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10484 for arch64 libfuncs.
10486 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10489 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10491 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10493 * collect2.c: Don't declare `sys_siglist' here.
10494 (my_strsignal): Prototype and define new function. Use it in
10495 place of `sys_siglist' hacks.
10497 * mips_tfile.c: Likewise.
10499 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10500 (GCC_NEED_DECLARATIONS): Likewise.
10502 * system.h (strsignal): Prototype it, if necessary.
10503 (sys_siglist): Declare it, if necessary.
10505 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10507 * loop.c (move_movables): While removing insn sequences, preserve
10508 the next pointer of the most recently deleted insn when we skip
10511 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10513 * objc/config-lang.in: Do not output the name of the selected
10514 thread file when building the front-end. The Makefile for the
10515 runtime library will do this.
10517 * objc/Make-lang.in: Do not build the runtime library or install
10518 the Objective C header files. The Makefile for the runtime
10519 library will do this.
10521 * objc/Makefile.in (all.indirect): Only build the front-end.
10522 (compiler): Rename to `frontend'.
10523 (obj-runtime): Remove target.
10524 (copy-headers): Likewise.
10525 (clean): No need to remove `libobjc.a' any longer.
10527 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10529 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10530 supported with -mcpu=xxx.
10532 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10534 * flow.c (mark_set_1): Recognize multi-register structure return
10535 values in CALL insns.
10536 (mark_used_regs): Likewise.
10537 (count_reg_sets_1): Likewise.
10538 (count_reg_references): Likewise.
10539 * rtlanal.c (note_stores): Likewise.
10540 (reg_overlap_mentioned_p): Likewise.
10541 * haifa-sched.c (check_live_1): Likewise.
10542 (update_live_1): Likewise.
10543 (sched_analyze_1): Likewise.
10544 (sched_note_set): Likewise.
10545 (birthing_insn_p): Likewise.
10546 (attach_deaths): Likewise.
10548 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10551 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10553 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10555 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10557 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10559 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10561 * configure.in: Add check for GAS subsection -1 support.
10562 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10563 * configure config.in: Rebuilt.
10564 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10565 SImode is subsection -1 works, else use DImode.
10566 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10567 subsection -1 works.
10568 * config/sparc/sparc.c (sparc_output_addr_vec,
10569 sparc_output_addr_diff_vec): Use them if defined.
10571 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10573 * tree.h (DECL_ORIGIN): New macro.
10574 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10575 (copy_decl_list): Use it.
10576 (integrate_parm_decls): Likewise.
10577 (integrate_decl_tree): Likewise.
10578 * dwarf2out.c (decl_ultimate_origin): Simplify.
10579 * dwarfout.c (decl_ultimate_origin): Likewise.
10580 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10581 (pushdecl): Likewise.
10583 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10585 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10587 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10589 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10591 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10593 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10594 empty or has a single entry.
10596 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10597 before calling reg_to_stack.
10599 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10601 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10602 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10604 * c-tree.h (warn_long_long): Declare it.
10606 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10608 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10609 initialized float-int union if the value is a NaN.
10611 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10613 * c-lex.c (real_yylex): Don't warn about long long constants if
10614 we're allowing long long
10616 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10618 * except.h (current_function_eh_stub_label): Declare.
10619 (current_function_eh_old_stub_label): Declare.
10620 * function.h (struct function): New members eh_stub_label and
10622 * except.c (current_function_eh_stub_label): New variable.
10623 (current_function_eh_old_stub_label): New variable.
10624 (init_eh_for_function): Clear them.
10625 (save_eh_status): Save them.
10626 (restore_eh_status): Restore them.
10627 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10628 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10629 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10630 make an edge from the block that contains it to the block starting
10631 with the label if this label is one of the eh stub labels.
10632 If eh stub labels exist, show they are reachable from the last block
10635 * reload1.c (reload): Break out several subroutines and make some
10637 (calculate_needs_all_insns): New function, broken out of reload.
10638 (calculate_needs): Likewise.
10639 (find_reload_regs): Likewise.
10640 (find_group): Likewise.
10641 (find_tworeg_group): Likewise.
10642 (something_needs_reloads): New global variable, formerly in reload.
10643 (something_needs_elimination): Likewise.
10644 (caller_save_spill_class): Likewise.
10645 (caller_save_group_size): Likewise.
10646 (max_needs): Likewise.
10647 (group_size): Likewise.
10648 (max_groups): Likewise.
10649 (max_nongroups): Likewise.
10650 (group_mode): Likewise.
10651 (max_needs_insn): Likewise.
10652 (max_groups_insn): Likewise.
10653 (max_nongroups_insn): Likewise.
10654 (failure): Likewise.
10656 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10658 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10660 * loop.c (load_mems): Copy rtx for output mem.
10662 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10664 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10665 mips1 or mips2 either.
10667 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10669 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10671 (pa_adjust_insn_length): Update to work with new marking scheme
10672 for jumps inside switch tables.
10673 * pa.md (switch_jump): Remove pattern.
10674 (jump): Handle jumps inside jump tables.
10676 * Makefile.in (profile.o): Depend on insn-config.h
10678 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10680 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10682 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10684 Add preliminary native sparcv9 Solaris support.
10685 * configure.in: Recognize sparv9-*-solaris2*
10686 * configure: rebuilt
10687 * config.sub: Recognize sparcv9 just like sparc64.
10688 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10689 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10690 32-bit and 64-bit Solaris systems.
10691 * config/sparc/t-sol2: Assemble those with cpp.
10692 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10693 (*TF*_LIBCALL): If ARCH64 use V9 names.
10694 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10696 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10698 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10699 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10701 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10703 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10704 to Pmode if CASE_VECTOR_MODE is something else.
10706 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10708 * prefix.c (update_path): Correctly handle cases where PATH is
10709 a substring of the builtin prefix, but specifies a different
10710 directory location.
10712 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10714 * expr.c: Corrected comment about what MOVE_RATIO does.
10715 * config/alpha/alpha.h: Ditto.
10716 * config/1750a/1750a.h: Ditto.
10717 * config/clipper/clipper.h: Ditto.
10718 * config/i386/i386.h: Ditto.
10720 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10722 * configure.in (m68k-next-nextstep3*): Use collect2.
10723 Similarly for x86 NeXT configurations.
10724 * configure: Rebuilt.
10726 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10728 * configure.in: Don't assume srcdir is .../gcc
10729 * configure: Rebuilt.
10731 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10733 * global.c: Update comments.
10734 (global_alloc): Assign allocation-numbers
10735 even for registers allocated by local_alloc in case
10736 they are later spilled and retry_global_alloc is called.
10737 (mark_reg_store, mark_reg_clobber,
10738 mark_reg_conflicts, mark_reg_death): Always record a
10739 conflict with a pseudo register even if it has been
10740 assigned to a hard register.
10741 (dump_conflicts): Don't list pseudo registers already assigned to
10742 a hard register as needing to be allocated, but do list their
10744 * local-alloc.c: Update comment.
10746 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10748 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10749 * configure: Rebuilt.
10751 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10753 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10755 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10756 for all targets that set -msoft-float.
10758 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10760 * toplev.c (print_switch_values): Make static to match prototype.
10762 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10764 * configure.in: If we are unable to find the "gnatbind" program,
10765 then do not configure the ada subdir.
10766 * configure: Rebuilt.
10768 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10770 * version.c: Bump for snapshot.
10772 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10774 * version.c: Bump for snapshot.
10776 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10778 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10779 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10781 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10783 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10785 * genextract.c: Have insn-extract.c include toplev.h.
10787 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10789 * toplev.c: Include expr.h.
10790 (really_sorry, fancy_abort): Remove prototypes.
10791 (set_target_switch): Add argument in prototype.
10792 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10793 (v_really_sorry): Likewise.
10794 (print_version, print_single_switch, print_switch_values): Make
10795 static and add prototype arguments.
10796 (decl_printable_name): Add prototype arguments.
10797 (lang_expand_expr_t): New typedef.
10798 (lang_expand_expr): Declare as a lang_expand_expr_t.
10799 (incomplete_decl_finalize_hook): Add prototype argument.
10800 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10801 (botch): Likewise for variable `s'.
10802 (rest_of_type_compilation): Mark variables `type' and `toplev'
10803 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10804 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10805 (display_help): Make variable `i' an `unsigned long'.
10806 (main): Remove unused parameter `envp'.
10807 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10808 Cast -1 when comparing it with a `size_t'.
10810 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10811 prototype with ATTRIBUTE_NORETURN.
10812 (fatal_insn_not_found, fatal_insn, really_sorry,
10813 push_float_handler, pop_float_handler): Add prototypes.
10814 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10815 (do_abort, botch): Add prototypes.
10817 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10819 * final.c (final): If a label is reached only from a single jump,
10820 call NOTICE_UPDATE_CC on the jump and its predecessor before
10821 emitting the insn after the label.
10823 * i386.h: Add AMD K6 support.
10824 Change TARGET_* macros to use table lookup.
10825 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10826 (ADJUST_COST): Change definition to call function in i386.c.
10827 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10828 * i386.c: Add AMD K6 support.
10829 Add constants for feature tests used by TARGET_* macros.
10830 (split_di): If before reload, call gen_lowpart and gen_highpart.
10831 (x86_adjust_cost): New function.
10832 (put_jump_code): New function.
10833 (print_operand): New codes 'D' and 'd'.
10834 * i386.md: New insn types. New insn attribute "memory".
10835 Redefine scheduling parameters to use new types and add AMD K6
10836 support. Explicitly set type of most insns.
10837 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10838 Pro and K6 prefer movl $1,reg to incl reg.
10839 (adddi3, subdi3): Set cc_status.
10840 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10841 to int; x86 can't have more than 2^31 DImode shifts per file.
10842 (setcc): Combine all setcc patterns. Allow writing memory.
10843 Combine all jump patterns using match_operator.
10844 (*bzero): Name pattern. Emit mutliple stos instructions when that
10845 is faster than rep stos.
10846 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10849 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10851 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10854 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10856 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10857 not whatever we're generating now.
10859 * alpha.c (set_frame_related_p, FRP): New.
10860 (alpha_expand_prologue): Mark frame related insns.
10861 (alpha_expand_epilogue): Likewise, but with a null FRP.
10862 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10863 * alpha.md (exception_receiver): New.
10864 * alpha/crtbegin.asm (.eh_frame): New beginning.
10865 (__do_frame_setup, __do_frame_takedown): New.
10866 * alpha/crtend.asm (.eh_frame): New ending.
10867 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10868 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10869 (ASM_FILE_START): Don't emit .file for dwarf2.
10871 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10872 * rtl.c (reg_note_name): Likewise.
10873 * rtl.texi (REG_NOTES): Likewise.
10874 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10877 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10879 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10880 * i386.md (movsf, movdf, movxf): Validate memory address returned
10881 from force_const_mem. Kill useless REG_EQUAL setting code.
10883 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10885 * m68k.md (zero_extendsidi2): Fix typo.
10887 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10889 * configure.in: Removed references to the removed file
10890 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10891 * arm*-*-netbsd* and ns32k-*-netbsd*.
10892 * config/i386/xm-netbsd.h: Removed unnecessary file.
10893 * config/m68k/xm-netbsd.h: Likewise.
10894 * config/sparc/xm-netbsd.h: Likewise.
10895 * config/mips/xm-netbsd.h: Likewise.
10897 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10899 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10900 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10902 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10903 for exact section attributions.
10905 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10907 * i386/crtdll.h (CPP_PREDEFINES): Define.
10909 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10911 * m68k.md (5200 movqi): Do not allow byte sized memory references
10912 using address regs.
10913 * m68k.c (output_move_qimode): Do not use byte sized operations on
10916 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10917 explicit rules for building. Similarly for alloca, vfprintf,
10918 choose-temp and mkstemp, getopt, getopt1, and obstack.
10919 (INCLUDES): Add $(srcdir)/../include.
10920 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10921 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10923 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10925 * gcc.c (do_spec_1): [case 'o'] Account for
10926 lang_specific_extra_outfiles.
10927 (main): Correctly clear all slots in outfiles for
10928 lang_specific_extra_outfiles. Set input_file_number before
10929 calling lang_specific_pre_link.
10931 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10933 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10935 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10937 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10939 (sparc_output_deferred_case_vectors): If no work to do, return.
10940 Fix thinko in Sept 1 change.
10942 1998-09-03 SL Baur <steve@altair.xemacs.org>
10944 * Makefile.in: add semicolon in BISON definition for portability.
10946 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10948 * config/nextstep.c (handle_pragma): Correct name of third
10951 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10953 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10954 * config/m32r/m32r.h: Make register 17 be fixed.
10955 * config/m32r/m32r.c: Use SImode for cc operations.
10957 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10959 * invoke.texi (Warning Options): Add -Wnon-template-friend
10962 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10964 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10966 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
10968 * rs6000.md (movsf): Disable explicit secondary-reload-like
10969 functionality if TARGET_POWERPC64.
10970 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10973 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10975 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10976 and term.h from fixinc.wrap.
10978 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10980 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10981 safe to include both string.h and strings.h together.
10982 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10983 which headers to search for function declarations. Continue to
10984 prefer string.h over strings.h when both are not acceptable.
10986 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10988 * configure.in: Call GCC_HEADER_STRING.
10990 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10991 to include. Continue to prefer string.h over strings.h when both
10992 are not acceptable.
10994 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10996 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10997 not assume top 32-bits of symbolic addresses are zero if
11000 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
11002 * ginclude/va-alpha.h: Protect entire second portion of the
11003 file against double inclusion.
11005 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
11007 Added support for the Boehm's garbage collector.
11008 * configure.in: Handle --enable-objc-gc.
11009 * configure: Rebuilt.
11010 * Makefile.in (CHECK_TARGETS): Add check-objc.
11011 (check-objc): New rule.
11012 * objc/Make-lang.in: Build a different Objective-C library that
11013 runs with the Boehm's collector.
11014 * objc/encoding.c (objc_round_acc_size_for_types): New function.
11015 * objc/encoding.c: Correctly compute the size of compound types in
11016 the presence of bitfields. Skip the variable name of the type if
11017 any. Added support for long long.
11018 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
11019 (_F_GCINVISIBLE): New mask.
11020 * objc/gc.c: New file. Compute the type memory mask associated with
11021 a class based on the runtime information.
11022 * objc/misc.c: Added the hooks that use the Boehm's collector
11023 allocation functions.
11024 * objc/objc-act.c (build_class_template): Generate a new class
11025 member (gc_object_type) to hold the class' type memory mask.
11026 (build_shared_structure_initializer): Initialize the new member to
11028 (encode_complete_bitfield): New function. Generate the new
11030 (encode_field_decl): Generate the new encoding only for the GNU
11032 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
11034 (class_get_gc_object_type): New function to mark a pointer instance
11035 variable as a weak pointer.
11036 * objc/objc-features.texi: New file.
11037 * objc/objc.h (gc_object_type): New class member.
11038 * objc/objects.c (class_create_instance): Create a typed memory
11039 object when compiled with Boehm's collector support.
11040 * objc/sendmsg.c (__objc_init_install_dtable): Call
11041 __objc_send_initialize instead of setting the initialize flag.
11042 (__objc_send_initialize): Call __objc_generate_gc_type_description
11043 to generate the class type memory mask. Rewrite the code that
11044 sends the +initialize so that it is called only once (bug report
11045 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
11046 * testsuite/objc: New testsuite for Objective-C type encoding.
11047 * testsuite/lib/objc-torture.exp: New file.
11048 * testsuite/lib/objc.exp: New file.
11050 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
11052 * jump.c (jump_optimize): In if/then/else transformations, add
11053 another call to modified_between_p for the jump insn.
11055 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
11057 * fix-header.c (symlink): Treat like readlink.
11059 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11061 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
11064 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
11066 * config/nextstep.h: Update HANDLE_PRAGMA macro.
11067 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
11068 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
11070 * config/nextstep.c (handle_pragma): Take three arguments, as per
11071 the new HANDLE_PRAGMA macro specification.
11072 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
11073 per the new HANDLE_PRAGMA macro specification.
11074 * config/i960/i960.c (process_pragma): Take three arguments, as
11075 per the new HANDLE_PRAGMA macro specification.
11077 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
11079 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
11080 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
11081 if unknown pragmas are encountered.
11082 (handle_sysv_pragma): Interpret return code from
11083 handle_pragma_token (). Return success/failure indication rather
11084 than next unprocessed character.
11085 (pragma_getc): New function: retrieves characters from the
11086 input stream. Defined when HANDLE_PRAGMA is enabled.
11087 (pragma_ungetc): New function: replaces characters back into the
11088 input stream. Defined when HANDLE_PRAGMA is enabled.
11090 * c-pragma.c (handle_pragma_token): Return success/failure status
11093 * c-pragma.h: Change prototype of handle_pragma_token().
11095 * varasm.c: (handle_pragma_weak): Only create this function if
11096 HANDLE_PRAGMA_WEAK is defined.
11098 * c-common,c (decl_attributes): If defined call the expression
11099 contained within the INSERT_ATTRIBUTES macro before adding
11100 attributes to a decl.
11102 * tm.texi (HANDLE_PRAGMA): Document the new verion of
11103 HANDLE_PRAGMA, which takes three arguments.
11104 (INSERT_ATTRIBUTES): Document this new macro.
11106 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
11107 new INSERT_ATTRIBUTES macro.
11109 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11111 * config/sparc/sparc.md (movdf): Only generate special RTL for
11112 LABEL_REFs when PIC.
11113 (move_label_di): Remove
11114 (movdi_pic_label_ref, movdi_high_pic_label_ref,
11115 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
11116 references when PIC.
11117 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
11118 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
11119 output an .xword for all 64-bit cases.
11121 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11123 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
11124 alignment, use FUNCTION_BOUNDARY instead.
11125 (sparc_output_deferred_case_vectors): Likewise.
11127 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11129 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
11130 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
11132 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
11134 * alpha/va_list.h: New file.
11135 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
11137 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
11139 * NEWS: Add SCO Openserver and Unixware 7 notes.
11143 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
11145 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
11146 (record_constant_1): Handle RANGE_EXPR.
11148 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
11150 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
11151 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
11152 and NOTE_INSN_RANGE_END specially.
11153 (reemit_notes): Likewise.
11155 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11157 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
11158 (ultrasparc_sched_init): Remove unneeded &.
11160 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11162 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
11163 for m68020-60, to prevent the use of fintrz.
11165 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
11167 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
11169 * Makefile.in: Likewise.
11170 * configure: Regenerated.
11172 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
11174 * configure.in (gxx_include_dir): Changed to
11175 '${prefix}/include/g++'-${libstdcxx_interface}.
11176 * configure: Rebuilt.
11178 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
11180 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
11182 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
11183 *sequences* *below* which scalar moves will be used.
11185 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
11187 * collect2.c (mktemp): Delete unused declaration.
11189 * config/xm-netbsd.h: Remove unnecessary file.
11190 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
11191 file anymore, it is not needed.
11193 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11195 * convert.c (convert_to_integer): Issue an error on conversions to
11198 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11200 * Makefile.in: Add lang_tree_files and gencheck.h.
11201 * configure.in: Generate them.
11202 * gencheck.c: Include gencheck.h.
11204 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11206 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11207 movdi_lo_sum_pic and movdi_high_pic and make visible.
11208 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11209 emit these when Pmode is not SImode.
11210 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11212 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11214 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11215 .linkonce directive after the first time.
11217 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11219 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11220 the clobbered operand overlaps with an input.
11221 (bne0_di): Similarly.
11223 * Makefile.in (INSTALL): Remove "--no-header" argument.
11225 * NEWS: Various updates.
11227 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11229 * config/sparc/sparc.c (arith_operand, const64_operand,
11230 const64_high_operand, arith_double_4096_operand): Mark mode as
11232 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11234 (sparc_emit_set_const64): Remove unused variable i.
11235 (sparc_splitdi_legitimate): Likewise for addr_part.
11236 (ultra_code_from_mask): Likewise for mask.
11237 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11238 reverse return values so it matches usage and comments.
11239 (ultra_flush_pipeline): Likewise.
11240 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11241 this_type, and allow loads and stores of differing FP modes as
11242 they do not create a conflict.
11243 (ultra_find_type): Initialize fpmode to SFmode, fix
11244 parenthesization thinkos in large conditional.
11245 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11246 Init free_slot_mask after ultra_cur_hist is reset, not before.
11247 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11248 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11249 use ultra_flush_pipeline instead, then re-init group pointer.
11250 Fix statement with no effect. If no progress made in, and no
11251 instructions scheduled at all, advance to new pipeline cycle else
11252 we get into an endless loop.
11253 (ultrasparc_adjust_cost): Remove previous arg.
11254 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11256 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11258 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11259 code. Use reg_overlap_mentioned_p to detect when source and
11260 destination overlap.
11261 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11263 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11265 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11266 COMPARISON_VAL, into invariant_p.
11268 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11270 * regmove.c (regclass_compatible_p): New function.
11271 (regmove_optimize): Use it.
11273 Use NREGS parameter insted of calling max_reg_num.
11275 (fixup_match_1): Don't use code = MINUS when later tieing with
11276 a hard register is likely.
11278 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11280 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11281 COMPARISON_VAL was normalized.
11283 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11285 * loop.c (check_dbra_loop): The loop ending comparison value
11286 must be an invariant or we can not reverse the loop.
11288 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11289 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11291 (load_mems_and_recount_loop_regs_set): Likewise.
11293 * i386.c (print_operand): Remove obsolete 'c' docs.
11295 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11297 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11298 * frame.c (init_object_mutex): New function.
11299 (init_object_mutex_once): Likewise.
11300 (find_fde): Call it.
11301 (__register_frame_info): Likewise.
11302 (__register_frame_info_table): Likewise.
11303 (__deregister_frame_info): Likewise.
11305 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11307 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11309 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11311 * loop.c (check_dbra_loop): Enable code for reversal
11312 of some loops without a known constant loop end.
11314 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11316 * haifa-sched.c (last_clock_var): New.
11317 (schedule_block): Initialize it.
11318 (schedule_insn): Use it to fill insn modes with issue information.
11320 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11321 Tag trapb and next insn with TImode.
11322 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11323 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11324 Invoke alphaev5_align_insns as appropriate.
11325 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11326 (MD_SCHED_VARIABLE_ISSUE): New.
11327 * alpha.md (attr type): Add multi.
11328 (define_asm_attributes): New.
11329 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11330 (arg_home): Likewise.
11331 (fnop, unop, realign): New.
11333 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11335 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11336 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11338 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11339 (rs6000-ibm-aix4.[12]*): Likewise.
11340 * configure: Regnerate.
11342 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11344 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11345 already contains the return address.
11347 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11349 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11350 word sized hunks when loading unaligned args into registers.
11352 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11353 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11355 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11357 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11359 * loop.c (check_dbra_loop): Add some code that would allow reversal
11360 of some loops without a known constant loop end if it were enabled.
11362 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11364 * mips.md (lshrsi3_internal2+2): Fix type-o.
11366 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11368 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11369 correctly with regards to stdio.h.
11371 * calls.c: Remove stdarg.h/varargs.h.
11372 * cccp.c: Likewise.
11373 * cexp.y: Likewise.
11374 * combine.c: Likewise.
11375 * cpperror.c: Likewise.
11376 * cpplib.c: Likewise.
11377 * cpplib.h: Likewise.
11378 * doprint.c: Likewise.
11379 * emit-rtl.c: Likewise.
11380 * final.c: Likewise.
11381 * fix-header.c: Likewise.
11383 * genattr.c: Likewise.
11384 * genattrtab.c: Likewise.
11385 * gencodes.c: Likewise.
11386 * genconfig.c: Likewise.
11387 * genemit.c: Likewise.
11388 * genextract.c: Likewise.
11389 * genflags.c: Likewise.
11390 * genopinit.c: Likewise.
11391 * genoutput.c: Likewise.
11392 * genpeep.c: Likewise.
11393 * genrecog.c: Likewise.
11394 * mips-tfile.c: Likewise.
11395 * prefix.c: Likewise.
11396 * protoize.c: Likewise.
11397 * regmove.c: Likewise.
11398 * toplev.c: Likewise.
11399 * tree.c: Likewise.
11401 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11403 * config/sparc/sparc.c (sparc_override_options): If not
11404 TARGET_FPU, turn off TARGET_VIS.
11405 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11406 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11407 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11408 (movdi_insn_sp64): Add VIS fzero alternative.
11409 (clear_sf, clear_df): New VIS patterns.
11410 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11412 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11414 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11416 * loop.c (n_times_set, n_times_used, may_not_optimize,
11417 reg_single_usage): Convert to varrays. All uses changed.
11418 (insert_loop_mem): Return a value.
11419 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11420 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11423 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11426 * configure.in: Do not set thread_file to "irix" since no such
11427 support exists yet.
11429 * sparc.md (float abs/neg splits): Check reload_completed before
11430 calling alter_subreg.
11432 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11434 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11436 * config/sparc/sparc.h: Declare it.
11437 * config/sparc/sparc.md (float abs/neg splits): Use it.
11438 (all other splits): Handle SUBREGs properly where necessary.
11439 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11441 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11443 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11444 an insn on the unfilled_slots_list that has no delay slots.
11445 (fill_eager_delay_slots): Similarly.
11447 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11449 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11450 as an ordinary operand.
11452 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11454 * tree.c (valid_machine_attribute): Don't apply attributes to both
11457 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11459 * reload.c (operands_match_p): Handle rtvecs.
11461 * i386.c (legitimate_pic_address_disp_p): New.
11462 (legitimate_address_p): Use it.
11463 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11464 Handle constant pool symbols just like statics.
11465 (emit_pic_move): Use Pmode not SImode for clarity.
11466 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11467 [UNSPEC]: New, handling what we killed above.
11468 [PLUS]: Detect and abort on invalid symbol arithmetic.
11469 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11471 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11473 * alias.c: Include output.h.
11474 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11475 different if we're in a varargs function.
11476 * Makefile.in (alias.o): Depend on output.h
11478 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11480 * sh.h (GIV_SORT_CRITERION): Delete.
11482 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11484 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11485 * stupid.c (stupid_life_analysis): Ditto.
11486 * reload1.c (reload): Ditto.
11488 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11490 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11491 arith_double_4096_operand, arith_double_add_operand): New
11493 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11494 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11495 them to transform add/sub 4096 into add/sub -4096.
11497 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11499 * loop.c (scan_loop): Allocate some slop to handle pseudos
11500 generated by move_movables.
11501 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11504 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11506 * tree.def (DECL_RESULT): Correct documentation.
11508 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11510 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11511 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11512 conflicts will all RELOAD_FOR_OUTPUT reloads.
11514 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11515 loads the function result, substitute with a USE.
11517 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11519 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11520 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11521 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11522 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11523 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11524 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11526 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11527 'o' to 'm' for GPR variant constraints.
11529 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11531 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11533 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11535 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11536 when the source and destination overlap.
11538 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11539 clash with global type.
11541 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11543 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11545 * c-common.c (combine_strings): Also set TREE_READONLY.
11546 Change warn_write_strings to flag_const_strings.
11547 * c-decl.c, c-tree.h: Likewise.
11549 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11551 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11552 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11553 sequence, use SET/IOR instead so CSE can see it.
11554 * config/sparc/sparc.md (movhi_const64_special,
11555 movsi_const64_special): New patterns necessitated by that change.
11556 (movhi_high): Remove.
11557 (movhi_lo_sum): Change to match an IOR.
11558 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11559 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11560 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11561 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11562 registers are involved.
11563 (snesi_zero_extend split): Remove reload_completed test.
11564 (unnamed plus and minus zero_extend sidi splits): Add it.
11566 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11568 * extend.texi: Remove description of extension to explicit
11569 instantiation that is now endorsed by standard C++.
11571 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11573 * config/arc/arc.c (arc_initialize_pic): Remove.
11574 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11575 nothing on any platform and is invoked by no-one, it does not even
11576 appear in the documentation.
11577 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11578 * config/sparc/sparc.c (initialize_pic): Likewise.
11579 (find_addr_reg): Remove this as well, no longer referenced after
11582 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11584 * recog.c (validate_replace_rtx_group): New function.
11585 * recog.h (validate_replace_rtx_group): Declare it.
11586 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11587 the entire group of substitutions.
11589 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11591 * loop.c (load_mems): Fix initializers.
11593 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11595 * config/sparc/sparc.md (TFmode splits): Handle destination
11596 registers being referenced in the address correctly.
11598 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11599 TREE_UNSIGNED, when bitsize of type's mode is larger than
11600 HOST_BITS_PER_WIDE_INT.
11602 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11604 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11605 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11606 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11608 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11611 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11613 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11614 * h8300.h (TINY_DATA_NAME_P): Likewise.
11615 (STRIP_NAME_ENCODING): Handle '&'.
11617 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11618 register (it could be accessed via an outer SUBREG).
11619 (REG_OK_FOR_BASE_P): Likewwise.
11620 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11622 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11625 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11627 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11629 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11630 must be offsettable so the splits can be made.
11632 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11634 * config/i386/winnt.c: Include system.h, not stdio.h to get
11635 sys/param.h pulled in before rtl.h in case the system defines MIN
11638 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11640 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11642 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11644 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11646 * cpplib.c (cpp_define): Handle macros with parameters.
11648 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
11650 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11651 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11652 and DImode 64-bit. Use llong for minimal-toc SFmode and
11653 SYMBOL_REF / LABEL_REF 64-bit.
11654 (output_function_profiler): Use llong for profiler label and ld to
11655 load 64-bit label address.
11657 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11659 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11662 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11664 * version.c: Bump for snapshot.
11666 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11668 * version.c: Bump for snapshot.
11670 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11672 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11674 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11676 * tm.texi (Misc): Fix typo "teh".
11678 * tm.texi (PIC): Fix typo "PPIC".
11680 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11681 effect when -O2 and higher.
11682 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11684 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11686 * regclass.c: Changed register set documentation to be consistent
11687 with GCC behaviour.
11689 * final.c (final_start_function) Removed redundant test for
11692 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11694 * rtl.h (rtx_function): New type.
11695 (for_each_rtx): New function.
11696 * rtlanal.c (for_each_rtx): Define it.
11698 * recog.c (change_t): New type.
11699 (change_objects, change_old_codes, change_locs, change_olds):
11701 (changes): New variable.
11702 (validate_change): Dynamically allocate room for more changes, if
11703 necessary. Uses changes array instead of change_objects, etc.
11704 (apply_change_group): Use changes array instead of
11705 change_objects, etc.
11707 * loop.c (loop_mem_info): New type.
11708 (loop_mems): New variable.
11709 (loop_mems_idx): Likewise.
11710 (looop_mems_allocated): Likewise.
11711 (scan_loop): Remove nregs parameter.
11712 (next_insn_in_loop): New function.
11713 (load_mems_and_recount_loop_regs_set): Likewise.
11714 (load_mems): Likewise.
11715 (insert_loop_mem): Likewise.
11716 (replace_loop_mem): Likewise.
11717 (replace_label): Likewise.
11718 (INSN_IN_RANGE_P): New macro.
11719 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11720 (scan_loop): Remove nregs parameter, compute it after any new
11721 registers are created by load_mems. Use INSN_IN_RANGE_P and
11722 next_insn_in_loop rather than expanding them inline. Call
11723 load_mems to load memory into pseudos, if appropriate.
11724 (prescan_loop): Figure out whether or not there are jumps from the
11725 loop to targets other than the label immediately following the
11726 loop. Call insert_loop_mem to notice all the MEMs used in the
11727 loop, if it could be safe to pull MEMs into REGs for the duration
11729 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11731 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11733 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11735 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11737 * config/sparc/sparc.c (finalize_pic): Check for the correct
11738 nonlocal_goto_receiver UNSPEC number.
11739 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11740 making note of this dependency existing in sparc.c
11741 (negtf2_notv9 split): Give NEG SFmode.
11742 (negsf2): Fix insn output string.
11744 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11746 * c-common.c (decl_attributes): Issue an error if the argument
11747 to alias is not a string.
11749 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11751 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11752 pending memory flush list.
11754 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11756 (try_combine): Allow combining insns with REG_LIBCALL notes.
11758 * expr.c (emit_block_move): Do not call memcpy as a libcall
11759 instead build up a CALL_EXPR and call it like any other
11761 (clear_storage): Similarly for memset.
11763 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11766 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11769 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11770 and REG_LIVE_LENGTH as successful substitutions are made.
11772 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11774 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11775 statement after end of loop label.
11777 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11779 * config/sparc/sparc.c (ultra_types_avail): New variable.
11780 (ultra_build_types_avail): New function to record mask of insn
11781 types in ready list at this cycle.
11782 (ultrasparc_sched_reorder): Call it.
11783 (ultra_find_type): Use it to quicken the search. Also simplif
11784 dependency check, don't use rtx_equal_p because we know exactly
11785 what we are looking for.
11787 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11789 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11790 for architecture v4.
11792 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11794 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11796 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11797 movdf_const_intreg and helper splits): New patterns to move float
11798 constants into integer registers.
11799 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11802 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11805 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11807 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11809 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11810 a BASE_REGS register is needed as an intermediate when copying
11811 a symbolic value into any register class other than BASE_REGS.
11813 * expr.c (move_by_pieces): No longer static. Remove prototype.
11814 * rtl.h (move_by_pieces): Add extern prototype.
11815 * mips.c (expand_block_move): Handle aligned straight line copy by
11816 calling move_by_pieces.
11818 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11821 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11823 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11824 jumps out of the loop to be treated as part of the exit test.
11826 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11827 Jeff Law <law@cygnus.com>
11829 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11830 * cplus-dem.c: Delete.
11832 * Makefile.in (fold-const.o): depend on $(RTL_H).
11834 * fold-const.c: Include rtl.h to get the prototype for
11835 `set_identifier_local_value'.
11837 * loop.c (express_from_1): Remove unused variable `tmp'.
11838 (combine_givs): cast the first argument of bzero to char *.
11840 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11842 * c-decl.c (init_decl_processing): Remove unneeded &.
11844 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11846 * except.c (set_exception_lang_code, set_exception_version_code):
11847 Change parameter from `short' to `int' to avoid using a gcc
11850 * except.h (set_exception_lang_code, set_exception_version_code):
11851 Likewise for prototypes.
11853 * flow.c (count_reg_references): Remove unused variables `regno'
11856 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11858 * prefix.c (translate_name): Cast the result of `alloca'.
11860 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11862 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11864 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11865 Include "toplev.h".
11866 (valid_dbcc_comparison_p): Mark mode argument as unused.
11867 (symbolic_operand): Likewise.
11868 (legitimize_pic_address): Likewise.
11869 (const_uint32_operand): Likewise.
11870 (const_sint32_operand): Likewise.
11871 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11872 schedule_insns and comment out rest of file.
11874 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11876 (output_move_[hq]imode): Likewise.
11878 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11880 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11881 * invoke.texi: Corresponding changes.
11883 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11885 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11887 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11889 * config/sparc/sparc.c (ultra_code_from_mask,
11890 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11891 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11892 ultrasparc_sched_init, ultrasparc_variable_issue,
11893 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11894 functions to describe UltraSPARC pipeline exactly to Haifa.
11895 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11896 as there is nothing the scheduler can do about it. Indicate that
11897 REG_DEP_OUTPUT's collide. Fixup formatting.
11898 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11899 divide costs on Ultra for DImode.
11900 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11902 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11903 ieuN and add call_no_delay_slot to type list.
11904 (cti function unit): New unit for branches on UltraSPARC.
11905 (subx/addx insns): Set type to misc.
11906 (sidi zero/sign extension insns on arch64): Set type to shift.
11907 (sign_extendhidi2_insn): Set type to sload.
11909 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
11911 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11912 (output_epilog): Use if != 0 for offset.
11913 (rs6000_fatal_bad_address): Prepare for Intl.
11914 * rs6000.h (rs6000_fatal_bad_address): Declare.
11915 * rs6000.md (movsfcc, movdfcc): Use else if.
11916 (elf_high): Use {liu|lis}.
11917 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11918 (movsi): Use rs6000_fatal_bad_address.
11920 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11922 * reload.c (find_equiv_reg): Reject equivalences separated
11923 by a volatile instruction.
11925 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11927 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11929 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11931 * alpha.md (movsicc): Fix mode mismatch.
11933 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11935 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11937 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11939 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11941 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11942 write-only modifier from operand 1 constraint.
11944 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11946 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11947 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11949 (sparc_emit_set_const64): Likewise, also when computing trailing
11950 bits do not negate low_bits and make fast_int an int.
11952 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11954 * loop.c (add_label_notes): Do not ignore references to labels
11955 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11956 * gcse.c (add_label_notes): Similarly.
11958 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11960 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11961 (adddi_dishl32): Similarly.
11963 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11965 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11966 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11967 * cse.c (cse_basic_block): Add parens to shut up warnings.
11969 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11971 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11972 sparc_emit_set_const64_longway, const64_is_2insns,
11973 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11974 in 64-bit constant formation.
11975 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11976 rtl for addx not subx.
11977 (define_insn movdi_const64_special): Make available even when
11978 HOST_BITS_PER_WIDE_INT is not 64.
11979 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11980 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11981 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11982 instances of operand 1 inside a QI subreg.
11983 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11984 (one_cmpldi2_sp64): Fix output string.
11985 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11987 (unnamed arch64 ashift DI): Truncate shift count if greater than
11990 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11992 * expr.c (store_expr): Don't optimize away load-store pair
11993 when either source or destination have a side effect.
11995 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11997 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11998 operands of SET are incompatible.
12000 * alpha.md: Fix max and min patterns so modes of SET operands match.
12002 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
12004 * configure.in: Avoid [[ by using test and changequote.
12005 * configure: Rebuild.
12007 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12009 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
12011 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
12012 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
12013 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
12014 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
12015 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
12016 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
12017 Fix mismatching modes in SET operands.
12018 (conditional move patterns): Fix formatting.
12019 (unnamed subx arch64 pattern): Remove duplicate insn.
12021 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12023 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12024 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
12025 (input_operand): Fixup test for what we accept for constant
12027 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
12029 (safe_constDI): Remove.
12030 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
12031 gen_safe_XOR64): New functions.
12032 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
12033 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
12035 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
12036 available when HOST_BITS_PER_WIDE_INT is not 64.
12037 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
12038 move before movdi_insn_sp64 pattern.
12039 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
12040 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
12041 symbolic_operand as predicate for second operand.
12042 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
12043 expander): Give set VOIDmode.
12045 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
12047 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
12049 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
12051 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
12053 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
12055 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
12057 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
12059 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
12061 * install.texi: Various SCO OpenServer tweaks.
12063 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
12065 * reload1.c (eliminate_regs_in_insn): Handle another case when
12066 eliminating the frame pointer to the hard frame pointer. Add
12067 missing ep->to_rtx check to one existing case.
12069 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
12071 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
12073 * tree.h: De-conditionalize init_priority code.
12075 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
12076 * collect2.c (NM_FLAGS): Change from -p to -n.
12078 * configure.in: Turn on collect2 for mipstx39-elf.
12079 Handle use_collect2=no properly.
12081 * c-common.c: De-conditionalize init_priority code.
12082 * collect2.c (extract_init_priority, sort_ids): New fns.
12083 (main): Call sort_ids.
12084 Move sequence_number to file scope.
12086 * configure.in: Handle --enable-init-priority.
12087 * c-common.c (attrs): Add A_INIT_PRIORITY.
12088 (init_attributes, decl_attributes): Likewise.
12089 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
12090 * tree.c (get_file_function_name_long): Split out...
12091 (get_file_function_name): ...from here.
12093 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
12095 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
12098 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
12100 * toplev.c (display_help): Add braces to shut up warnings.
12101 * tree.c (simple_cst_equal): Likewise.
12103 * fold-const.c (non_lvalue): Don't deal with null pointer
12105 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12107 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
12108 of any size to a pointer.
12110 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
12112 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
12114 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
12116 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
12117 which will be saved.
12118 * mn10300.md (prologue insn): Only save registers which need saving.
12119 (epilogue insn): Similarly.
12121 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
12124 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
12126 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
12127 VAR_DECL's in gp addressable sections.
12129 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
12131 * sparc.c: Change return <exp> to <exp>; return; in functions
12133 * sparc.md: Add empty semicolon statement after final label in
12136 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12138 * config/sparc/sparc.md (define_insn addx_extend): Rename to
12139 addx_extend_sp64, only allow when TARGET_ARCH64.
12140 (define_insn addx_extend_sp32 and split): Version that works when
12142 (define_insn subx_extend): Likewise.
12143 (define_split adddi3 and subdi3 with zero extension): Fixup and
12144 correct bugs when not TARGET_ARCH64.
12146 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
12148 * except.c (set_exception_lang_code, set_exception_version_code):
12149 Use prototype-style definition if __STDC__, to match declaration
12152 * genemit.c: Change FAIL and DONE macros not to use loops.
12154 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
12156 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
12157 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
12159 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
12161 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
12163 * README.g77: Update from Craig.
12165 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12167 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
12168 type HOST_WIDE_INT.
12169 (safe_constDI sparc_emit_set_const64_quick1,
12170 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12171 analyze_64bit_constant, const64_is_2insns,
12172 create_simple_focus_bits): Fix some bugs when compiled on real
12174 (function_arg_record_value_3, function_arg_record_value_2,
12175 function_arg_record_value): Add fully prototyped forward decls.
12176 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
12177 to cmpsi_insn and use on both 64 and 32 bit targets.
12178 (define_insn cmpsi_insn_sp64): Remove.
12179 (define_expand zero_extendsidi2): Allow for 32-bit target too.
12180 (define_insn zero_extendsidi2_insn): Rename to
12181 zero_extendsidi2_insn_sp64.
12182 (define_insn zero_extendsidi2_insn_sp32): New pattern and
12183 assosciated forced split for it.
12185 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12187 * config/sparc/sparc.h: Declare them.
12188 (PREDICATE_CODES): Add them.
12189 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
12190 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
12192 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12194 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12195 in v9 case as the latter makes the Solaris assembler crash.
12197 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12199 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12200 for TFmode when !v9. We require offsettable memory addresses.
12201 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12202 DFmode register number conversions.
12203 * config/sparc/sparc.md (define_split DFmode moves): If register
12204 is a SUBREG do alter_subreg on it before using.
12205 (define_expand movtf): Fixup comment about alignment on v9.
12206 (define_split TFmode moves): Don't use gen_{high,low}part, create
12207 explicit SUBREGs instead.
12209 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12211 * Makefile.in (mbchar.o): Depend on mbchar.c.
12213 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12214 Richard Henderson <rth@cygnus.com>
12216 Rewrite Sparc backend for better code generation and
12217 improved sparc64 support.
12218 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12220 * config/sparc/sysv4.h: Likewise.
12221 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12222 move_operand, v8plus_regcmp_op, emit_move_sequence,
12223 singlemove_string, doublemove_string, mem_aligned_8,
12224 output_move_double, output_move_quad, output_fp_move_double,
12225 move_quad_direction, output_fp_move_quad, output_scc_insn):
12227 (small_int_or_double): New predicate.
12228 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12229 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12230 old pic_{sethi,lo_sum}_si patterns.
12231 (mem_min_alignment): New generic function to replace
12232 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12233 available and can test for arbitrary alignments. All callers
12235 (save_regs, restore_regs, build_big_number,
12236 output_function_prologue, output_cbranch, output_return,
12237 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12238 sparc_flat_output_function_epilogue): Prettify
12240 (output_function_epilogue): Likewise and add code to output
12241 deferred case vectors.
12242 (output_v9branch): Likewise, add new arg INSN and use it to tack
12243 on branch prediction settings. All callers changed.
12244 (print_operand): Likewise and output %l44 for LO_SUMs when
12246 (sparc_splitdi_legitimate): New function to make sure DImode
12247 splits can be run properly when !arch64.
12248 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12249 Reformat example code in comments.
12250 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12251 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12252 of deferred case vectors we need to output.
12253 (sparc_defer_case_vector): Record a case vector.
12254 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12255 sparc_output_deferred_case_vectors): New functions to output them.
12256 (sparc_emit_set_const32): New function to form 32-bit constants in
12257 registers when that requires more than one instruction.
12258 (safe_constDI, sparc_emit_set_const64_quick1,
12259 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12260 analyze_64bit_constant, const64_is_2insns,
12261 create_simple_focus_bits, sparc_emit_set_const64): New functions
12262 which do the same for 64-bit constants when arch64.
12263 (sparc_emit_set_symbolic_const64): New function to emit address
12264 loading for all code models on v9.
12265 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12266 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12267 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12268 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12269 inaccuracies in comments, add symbolic and text_segment operands
12270 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12271 GENERAL_REGS in these cases as a temp REG is needed to load these
12272 addresses into a register properly.
12273 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12275 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12276 quads are guarenteed to have 16-byte alignment.
12277 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12278 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12279 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12280 deferred case vector implementation.
12281 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12282 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12283 Generate "internal label - label" instead of "label - 1b".
12284 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12285 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12286 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12288 (doublemove_string, output_block_move, output_fp_move_double,
12289 output_fp_move_quad, output_move_double, output_move_quad,
12290 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12291 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12292 (sparc_emit_set_const32, sparc_emit_set_const64,
12293 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12294 mem_min_alignment, small_int_or_double): Add externs.
12295 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12296 UNSPEC_VOLATILE in this backend.
12297 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12298 unary to types which execute in it.
12299 (define_function_unit ieu_shift): Rename to ieu0.
12300 (define_function_unit ieu1): New, executes compare, call, and
12301 uncond_branch type insns.
12302 (define_function_units for type fdivs, fdivd, fsqrt): These
12303 execute in the fpu multiply unit not the adder on UltraSparc.
12304 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12305 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12306 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12307 allows the arith_double_operand predicate and rHI constraint when
12309 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12310 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12311 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12312 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12313 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12314 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12315 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12316 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12317 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12318 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12319 sign_extendqihi2_insn, sign_extendqisi2_insn,
12320 sign_extendqidi2_insn, sign_extendhidi2_insn,
12321 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12322 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12323 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12324 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12325 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12326 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12327 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12328 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12329 smulsi3_highpart_v8plus, unnamed subreg mult,
12330 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12331 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12332 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12333 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12334 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12335 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12336 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12337 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12338 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12339 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12340 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12341 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12342 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12343 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12344 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12345 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12346 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12347 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12348 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12349 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12350 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12351 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12352 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12353 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12354 call_address_untyped_struct_value_sp32,
12355 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12356 call_value_symbolic_sp32, call_value_address_sp64,
12357 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12358 flush_register_windows, goto_handler_and_restore,
12359 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12360 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12361 return_addsi, return_di, return_adddi, return_sf, all call+jump
12362 peepholes, trap, unnamed trap insns): Prettify output strings.
12363 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12364 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12365 Likewise and force + implement splits for integer cases.
12366 (define_insn return_sf_no_fpu): Likewise and allow to match when
12367 no-fpu because of our subreg SFmode splits.
12368 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12369 zero_extendqidi2_insn, zero_extendhidi2_insn,
12370 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12371 input_operand for second operand.
12372 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12373 reg_or_0_operand for operand 2 so new splits can use it.
12374 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12375 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12377 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12378 CONST_DOUBLEs for operand 2.
12379 (define_insn move_label_di): Likewise and label distance
12380 optimization because it no longer works with new deferred case
12381 vector scheme. To be revisited.
12382 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12383 and allow reg_or_0_operand and J constraint for second operand.
12384 (define_insn jump): Set branch predict taken on V9.
12385 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12386 new deferred case vector scheme.
12387 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12388 (define_insn negdi2_sp32): Force + implement splits.
12389 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12390 one_cmplsi2_not_liveg0 respectively, and create expander of original
12391 names which emit special rtl for TARGET_LIVE_G0.
12392 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12393 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12394 gen_compare_reg, FAIL instead.
12395 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12396 values when trying to reverse condition codes, if they FAIL then
12398 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12399 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12400 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12401 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12402 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12403 set output string to # to indicate they are mandatory splits.
12404 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12405 pic_sethi_di, move_pic_label_si): Remove.
12406 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12407 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12409 (define_expand movsi_pic_label_ref, define_insn
12410 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12411 expander and insns to handle PIC label references and deferred
12413 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12415 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12416 Rewrite to not use emit_move_sequence, make use of new constant
12417 formation code, and new splits for all multi-insn cases.
12418 (define_insn movqi_insn): Remove sethi case, it can never happen.
12419 Use reg_or_zero_operand instead of const0_rtx explicit test,
12420 use input_operand instead of move_operand for source, and use
12421 general_operand now for dest.
12422 (define_insn movhi_insn): Similar but leave sethi case.
12423 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12424 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12425 movhi_lo_sum respectively, prettify output string.
12426 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12427 register when needed on TARGET_LIVE_G0.
12428 (define_insn movsi_insn): Use general_operand and input_operand
12429 for dest and src respectively. Simplify applicability test.
12430 Prettify output strings, and add clr alternative for J
12432 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12433 deprecated std and reg-reg DI moves): Remove and...
12434 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12435 implementation which uses forced splits for all non-single insn
12437 (define_split DI move cases on !arch64): New splits to handle all
12438 situations of 64-bit double register DImode on 32bit, and
12439 unaligned registers and memory addresses for all subtargets.
12440 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12442 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12443 input_operand for dest and src respectively, prettify output
12445 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12446 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12448 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12449 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12450 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12451 movtf_no_e_insn_sp64) Replace with new
12452 implementation which uses forced splits for all non-single insn
12454 (define_split DF move cases): New splits in similar vein to DI
12456 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12457 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12458 movdi_sp64_insn): Remove old v9 code model and constant loading
12459 support insns and..
12460 (define_insn pic_lo_sum_di, pic_sethi_di,
12461 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12462 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12463 embmedany_sethi, embmedany_losum, embmedany_brsum,
12464 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12465 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12466 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12467 scheme, using unspecs, secondary reloads, and one to one sparc
12468 insn to rtl insn mapping for better scheduling and code gen.
12469 (define_expand reload_indi, reload_outdi): Reload helpers for
12470 MEDANY and EMBMEDANY symbol address loading cases which require a
12471 temporary register.
12472 (define_expand movsicc): Remove v8plus_regcmp cases.
12473 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12474 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12475 cmp_diqi_trunc_set): New patterns used by some of the new scc
12477 (define_insn xordi3_sp64_dbl): New pattern used for constant
12478 formation when crossing from 32-bit targets.
12479 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12481 (define_insn addx, subx): Make visible and prettify.
12482 (define_insn adddi3_insn_sp32): Likewise and force split.
12483 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12484 64bit scc split usage.
12485 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12486 zero_extend, subdi3): Force and implement splits.
12488 * final.c (final_scan_insn): Don't output labels if target
12489 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12492 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12493 don't forget to walk inside SEQUENCESs too as these are what the
12494 delay slot scheduler will create.
12496 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12498 * alpha.md (extxl+1,+2): New patterns to work around
12501 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12503 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12504 caused bad assembly code to be generated.
12506 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12508 * netbsd.h: Fix typo.
12510 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12512 * config.sub: Fix typo.
12514 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12516 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12518 (Running Protoize): Typo: Change "ther" into "other".
12520 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12522 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12523 * m68k/netbsd.h: Likewise.
12524 * ns32k/netbsd.h: Likewise.
12525 * sparc/netbsd.h: Likewise.
12527 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12529 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12530 * ginclude/va-clipper.h (va_list): Likewise.
12532 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12534 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12535 load/store multiple instructions unless user overrides.
12537 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12539 * ns32k/netbsd.h: Fix typo.
12541 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12543 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12544 labels with .debugsym if no parallel insns.
12546 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12548 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12549 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12551 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12553 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12554 (AR_FOR_TARGET): Define.
12556 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12558 * dyn-string.h: New file.
12559 * dyn-string.c: Likewise.
12560 * Makefile.in (OBJS): Add dyn-string.o.
12561 (dwarf2out.o): Add dyn-string.h dependency.
12562 (dyn-string.o): List dependencies.
12563 * dwarf2out.c: Include dyn-string.h.
12564 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12565 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12566 prototype. Use dyn_string_append rather than strcat, throughout.
12567 (addr_to_string): Use dyn_string_t.
12569 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12571 Function entry/exit profiling instrumentation:
12572 * expr.h (profile_function_entry_libfunc,
12573 profile_function_exit_libfunc): Declare new variables.
12574 * optabs.c: Define them here.
12575 (init_optabs): Initialize them.
12576 * tree.h (struct tree_decl): New flag
12577 no_instrument_function_entry_exit.
12578 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12579 * c-decl.c (duplicate_decls): Merge it.
12580 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12581 (init_attributes): Use it for "no_instrument_function".
12582 (decl_attributes): Handle it, for functions that have not yet been
12583 compiled. Set decl flag.
12584 * flags.h (flag_instrument_function_entry_exit): Declare new
12586 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12587 (f_options): New option "instrument-functions".
12588 * function.h (struct function): New field instrument_entry_exit.
12589 * function.c (current_function_instrument_entry_exit): New
12591 (push_function_context_to, pop_function_context_from): Save and
12593 (expand_function_start): Set current_ variable, maybe emit return
12594 label and entry profile call.
12595 (expand_function_end): Maybe emit exit profile call.
12597 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12599 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12600 NON_QI_REG_P, pretend the register is SImode.
12602 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12604 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12605 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12606 manufacturer id for ns32k.
12607 * configure: Regenerated.
12608 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12609 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12610 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12611 * config/m68k/netbsd.h: Same.
12612 * config/ns32k/netbsd.h: Same.
12613 * config/sparc/netbsd.h: Same.
12615 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12617 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12618 or UNROLL_COMPLETELY loop that starts with a jump to its
12621 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12623 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12624 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12625 (print_operand, case 'B'): Don't fall through.
12626 (print_operand, case 'S'): Correct mask begin/end computation.
12627 Use HOST_BITS_PER_WIDE_INT.
12628 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12629 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12630 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12631 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12633 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12635 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12636 constraint from second alternative.
12638 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12640 * configure.in: Fix --without/--disable cases for local-prefix,
12641 gxx-include-dir and checking.
12643 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12645 * configure.in (enable_haifa): Set by default for sparc64 too.
12646 configure: Rebuilt.
12648 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12650 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12651 * i386/winnt.c (associated_type): New fn.
12652 (i386_pe_valid_type_attribute_p): New fn.
12653 (i386_pe_check_vtable_importexport): Remove.
12654 (i386_pe_dllexport_p): Use associated_type.
12655 (i386_pe_dllimport_p): Likewise.
12657 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12658 * i386.c (i386_valid_type_attribute_p): Also accept
12659 attributes for METHOD_TYPEs.
12661 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12663 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12665 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12667 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12669 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12670 them from generating a new base name for each occurence of
12673 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12675 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12677 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12681 * cplus-dem.c (type_kind_t): New type.
12682 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12683 on this paramter, rather than demangling the type again.
12684 (demangle_integral_value): Pass tk_integral.
12685 (demangle_template_: Pass the value returned from do_type.
12686 (do_type): Return a type_kind_t. Pass tk_integral to
12687 demangle_template_value_parm for array bounds.
12688 (demangle_fund_type): Likewise.
12690 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12692 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12695 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12697 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12699 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12701 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12703 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12706 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12708 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12709 (DEBUGGER_ARG_OFFSET): Likewise.
12711 * mn10300.md (movsf): Remove last change. Not needed.
12713 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12715 * c-lex.c (yylex): Fix boundary conditions in character literal and
12716 string literal loops.
12718 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12720 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12721 being invoked incorrectly.
12723 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12724 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12726 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12727 * configure.in: Added i[34567]86-*-win32
12728 * config.sub: Ditto.
12729 * configure: Rebuilt.
12731 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12733 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12734 the frame pointer and compiling PIC code and reload has not completed.
12736 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12739 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12741 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12743 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12745 * Makefile.in (install-info): Only try to update the info
12746 directory file if it exists in the first place.
12748 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12750 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12752 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12754 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12755 CONST_DOUBLE source.
12757 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12759 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12760 strings as the insertion of USER_LABEL_PREFIX.
12761 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12763 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12766 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12768 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12769 already defined type.
12771 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12773 * expr.c (check_max_integer_computation_mode): Allow conversions
12774 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12775 (expand_expr): Likewise.
12777 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12779 * expr.c (expand_expr): Expand RETURN_EXPR.
12781 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12783 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12785 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12787 * dwarf2out.c (output_aranges): Call stripattributes
12788 for TEXT_SECTION references.
12789 (output_line_info): Likewise.
12791 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12793 * profile.c (branch_prob): Call allocate_reg_info after outputting
12794 profile rtl in instrument_arcs.
12796 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12798 * fixinc.irix (math.h): Install wrapper instead of copying.
12800 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12802 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12803 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12804 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12805 lang_flag_0. Added documentation in the flag table.
12807 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12809 * cccp.c (do_include): Fix vax c style include handling.
12811 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12813 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12815 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12817 * fold-const.c (non_lvalue): Don't deal with null pointer
12819 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12821 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
12823 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12824 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12825 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12826 (u_short_cint_operand): Same.
12827 (reg_or_cint_operand): Same.
12828 (logical_operand): Same.
12829 (input_operand): Same.
12830 (reg_or_short_operand): Use u_short_cint_operand.
12832 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12834 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12835 but keep the insns and splits. Adjust so when the ultimate destination
12836 is memory, use cvtql.
12838 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12840 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12842 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12844 * gcc.c (do_spec): Call "error" not "warning".
12846 * configure.in: Fix minor problems with gas feature detection code.
12847 * configure: Rebuilt.
12849 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12851 * Undo this change.
12852 * gcc.c: Delete %[spec] support.
12853 (do_spec_1, case '('): Likewise.
12854 (do_spec_1, case '['): Call error.
12856 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12858 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12859 (CPP_SUBTARGET_SPEC): Default to empty string.
12860 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12861 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12862 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12863 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12865 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12866 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12867 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12868 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12869 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12870 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12871 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12872 * alpha/vxworks.h: Likewise.
12874 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12876 * mips.md (reload_outsi): Added missing REGNO call.
12877 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12879 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12880 another match_operator and compare the codes.
12882 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12884 * MIPS multiply pattern fixes:
12885 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12886 Add union classes for HI, LO, or HILO plus general registers.
12887 (GENERATE_MADD): Deleted.
12888 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12889 Add TARGET_MAD to condition.
12890 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12891 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12892 "*d" for accumulator, to give preference to LO initially but not
12895 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12897 * configure.in (enable_c_mbchar): New configure option.
12898 (extra_cpp_objs): Always available now.
12900 * cexp.y (mbchar.h): #include it.
12901 (yylex): Handle Multibyte characters in character literals.
12903 * cccp.c (mbchar.h): #include it.
12904 (main): Set character set based on LANG environment variable.
12905 (rescan): Handle multibyte characters in comments.
12906 (skip_if_group): See above.
12907 (validate_else): See above.
12908 (skip_to_end_of_comment): See above.
12909 (macarg1): See above.
12910 (discard_comments): See above.
12911 (rescan): Handle multibyte characters in string and character literals.
12912 (collect_expansion): See above.
12913 (skip_quoted_string): See above.
12914 (macroexpand): See above.
12915 (macarg1): See above.
12916 (discard_comments): See above.
12917 (change_newlines): See above.
12919 * c-lex.c (mbchar.h): #include it.
12920 (GET_ENVIRONMENT): New macro.
12921 (init_lex): Set character set based on LANG environment variable.
12922 (yylex): Handle multibyte characters in character literals.
12923 (yylex): Handle multibyte characters in string literals.
12925 * Makefile.in (mbchar.o): New target.
12926 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12927 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12929 * mbchar.[ch]: New files for multibyte character handling.
12931 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12933 * jump.c (jump_optimize): When simplifying noop moves and
12934 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12935 the PUSHes to rewrite in second loop as we did in the first.
12937 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12939 * cplus-dem.c (demangle_nested_args): Make function definition
12940 static to match the prototype.
12942 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12944 * alloca.c: Respect USE_C_ALLOCA.
12945 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12946 * gengenrtl.c (xmalloc): Likewise.
12948 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12950 * loop.h (struct induction): Add no_const_addval.
12951 * loop.c (the_movables, reg_address_cost): New variables.
12952 (init_loop): Init reg_address_cost.
12953 (loop_optimize): Call end_alias_analysis.
12954 (scan_loop): Init the_movables.
12955 (record_giv): Init induction->no_const_addval.
12956 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12957 [REG]: Rearrange loop search test to catch more cases.
12958 (general_induction_var): Return success not benefit; take an extra
12959 argument for that. Change all callers.
12960 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12961 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12962 [default]: Search the_movables for additional combinations.
12963 (sge_plus_constant, sge_plus): New functions.
12964 (express_from_1): New function.
12965 (express_from): Always define. Rewrite using express_from_1.
12966 (combine_givs_p): Handle more cases. Ignore address cost.
12967 (cmp_combine_givs_stats): New function.
12968 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12969 (combine_givs): Rewrite to do best-fit combination.
12971 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12972 (fold): Do a complete (A*C)+(B*C) association check.
12974 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12976 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12978 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12980 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12982 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12984 * tree.c (valid_machine_attribute): Only create a new type variant if
12985 there is a decl to use it.
12987 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12989 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12992 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12994 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12997 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12999 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
13000 Simplify tests for clearing an address register.
13001 (expand_prologue): Corresponding changes.
13003 * mn10300.md (movXX patterns): Make sure the destination is an
13004 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
13005 (logical patterns): Split into expanders + patterns
13006 (zero and sign extension patterns): Similarly.
13007 (shift patterns): Similarly.
13009 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
13011 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
13012 for the sequence, recording base values.
13014 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
13016 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
13018 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
13020 * gcc.c: Remove ANSI-C ism from --help code.
13022 * toplev.c: Support --help with USE_CPPLIB.
13024 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
13026 * configure.in: Rework gas feature code to work with symlink based
13029 * extend.texi: Clarify some issues related to local variables
13030 assigned to explicit registers.
13032 * mn10300.md (mulsi): Turn into expander + pattern.
13034 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
13037 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
13039 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
13041 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
13043 * version.c: Bump again to distinguish mainline tree from the
13046 See ChangeLog.0 for earlier changes.
13049 add-log-time-format: current-time-string
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