1 2001-06-21 Richard Henderson <rth@redhat.com>
3 * flow.c (entry_exit_blocks): Initialize frequency.
4 (split_block): Copy it.
5 (dump_flow_info): Dump it.
7 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
9 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
10 from machine-depedent_reorg for purposes of alignment supression
11 when no delay slot insn has been added.
13 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
15 * cppmacro.c (make_string_token): Null terminate.
17 2001-06-21 DJ Delorie <dj@redhat.com>
19 * config/alpha/alpha.h (struct machine_function): Remove.
20 * config/alpha/alpha.c (integrate.h): Include.
21 (override_options): Don't set up machine_status hooks.
22 (alpha_init_machine_status): Remove.
23 (alpha_mark_machine_status): Remove.
24 (alpha_free_machine_status): Remove.
25 (alpha_return_addr): Use get_hard_reg_initial_val.
26 (alpha_gp_save_rtx): Likewise.
27 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
29 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
31 * config/sh/sh.md (interrupt_function): Use
32 current_function_interrupt.
33 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
34 an interrupt function.
36 * config/sh/sh.h (current_function_interrupt): Define extern.
38 * config/sh/sh.c (current_function_interrupt): New global.
39 (sh_expand_prologue): Set current_function_interrupt.
41 2001-06-21 Phil Edwards <pme@sources.redhat.com>
43 * doc/install.texi: Add 'c' to list of --enable-languages choices.
45 2001-06-21 DJ Delorie <dj@redhat.com>
47 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
49 * integrate.c (ggc.h): Include.
50 (initial_value_pair, initial_value_struct,
51 setup_initial_hard_reg_value_integration): Add prototypes.
52 (expand_inline_function): Call
53 setup_initial_hard_reg_value_integration.
54 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
55 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
56 to keep track of values present at the start of a function.
57 (mark_hard_reg_initial_vals): New, for gc.
58 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
59 mappings for initial values.
60 (emit_initial_value_sets): New. Emits code to set initial value
62 * integrate.h: Add prototypes for new functions.
63 * function.h (struct function): Add hard_reg_initial_vals field.
64 * function.c (integrate.h): Include.
65 (mark_function_status): Call
66 mark_hard_reg_initial_vals.
67 * toplev.c (integrate.h): Include.
68 (rest_of_compilation): Call emit_initial_value_sets.
70 2001-06-21 Stan Shebs <shebs@apple.com>
72 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
73 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
74 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
75 everywhere instead of "Objective C".
77 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
79 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
80 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
81 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
82 "back end" as nouns and "front-end" and "back-end" as adjectives.
84 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
86 * predict.c (estimate_probability): Fix loop bounds.
88 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
90 * toplev.c (rest_of_compilation): Run mark_constant_function
93 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
95 * predict.c (estimate_loops_at_level, propagate_freq
96 estimate_bb_frequencies, count_to_freqs): New functions.
97 (estimate_probability): Call estimate_bb_frequencies.
98 * basic-block.h (basic_block_def): Add field "freq".
99 (BB_FREQ_MAX): New constant.
101 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
103 * sh.c (barrier_align): Don't ask for alignment when seeing a
104 branch-around-a-jump from machine_dependent_reorg.
106 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
108 * ssa.c (rename_block): Update parameter to remove_phi_alternative
109 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
110 re-running life analysis.
112 2001-06-20 Stan Shebs <shebs@apple.com>
114 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
115 also use memset to clear the hash tables.
116 (hash_enter): Assume xmalloc always succeeds.
117 (hash_add_attr): Ditto.
118 (continue_class): Ditto.
120 2001-06-20 Michael Meissner <meissner@redhat.com>
122 * builtins.c (predict.h): Include.
123 (expand_builtin_expect): Update comment.
124 (expand_builtin_expect_jump): New function to expand
125 __builtin_expect inside of a conditional jump expansion.
127 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
128 __builtin_expect (<test>, 1).
130 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
132 * rtl.h (expand_builtin_expect_jump): Add prototype.
134 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
136 * doc/rtl.texi (Machine Modes): Correct description of
137 floating-point modes on machines with non-8-bit bytes.
139 2001-06-19 Bernd Schmidt <bernds@redhat.com>
141 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
142 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
145 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
147 * ssa.c (remove_phi_alternative): Remove declaration. No longer
148 static. Second argument is a pointer to a basic block structure,
149 not a basic block index.
150 (convert_to_ssa): Do not remove dead code.
151 (convert_from_ssa): Do not remove dead code to create death notes.
152 * ssa.h (remove_phi_alternative): Declare.
154 * flow.c (delete_unreachable_blocks): Fix patch error in
155 previous change (call to find_unreachable_blocks was lost).
157 * ssa.c (ssa_uses): Remove definition.
158 (apply_delayed_renames): Don't grow ssa_uses.
159 (rename_block): Remove comment related to ssa_uses.
160 (rename_registers): Do not initialize ssa_uses.
161 (convert_from_ssa): Do not free ssa_uses.
163 * ssa-dce.c: Renamed from dce.c.
164 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
165 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
168 2001-06-19 Eric Christopher <echristo@redhat.com>
170 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
171 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
172 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
174 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
176 * sh.c (output_branch): Delete bogus code.
178 * sh.c (initial_elimination_offset):
179 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
181 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
183 * flow.c (find_unreachable_blocks): New function.
184 (delete_unreachable_blocks): Use find_unreachable_blocks.
185 * basic-block.h (find_unreachable_blocks): Declare.
187 * dce.c (eliminate_dead_code): Fix formatting glitch.
189 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
191 * c-common.h (RETURN_NULLIFIED_P): New macro.
192 * c-semantics.c (genrtl_return_stmt): Check it.
194 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
195 (emit_block_move): Likewise.
197 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
199 * unroll.c: Include predict.h.
200 (unroll_loop): Drop prediction notes on preconditioning.
201 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
202 New; add comments on the others.
203 * Makefile.in: (unroll.o): Add dependancy on predict.h.
204 * loop.c (strength_reduce): Fix branch prediction.
206 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
208 * stmt.c (emit_case_nodes): Optimize test whether index is in given
211 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
213 * predict.c (estimate_probability): Do not bail out early
214 when note is present.
215 (combine_predictions_for_insn): Fix note removal code.
217 2001-06-18 Ben Elliston <bje@redhat.com>
219 * except.c (resolve_fixup_regions): Initialise "cleanup".
221 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
223 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
225 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
227 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
228 use put_var_into_stack.
230 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
232 * gccspec.c (lang_specific_driver): If compiling ObjC, add
233 -shared-libgcc when necessary.
234 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
236 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
238 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
239 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
240 bitmap_last_set_bit. All for compatibility with sbitmap's.
242 *bitmap.c (bitmap_zero): New function.
243 (bitmap_union_of_diffs): New function.
244 (bitmap_first_set_bit): New function.
245 (bitmap_last_set_bit): New function.
247 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
249 * cpp.texi, invoke.texi: Update.
250 * cpp.1, gcc.1: Regenerate.
252 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
254 * i386.md (minsf): Fix splitter. (PR fortran/3191)
256 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
258 * doc/cpp.texi: Update.
259 * doc/cpp.1: Regenerate.
261 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
263 * doc/install.texi: Use correct markup hints.
265 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
267 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
269 * explow.c (expr_size): If DECL and size specified, use it.
271 2001-06-15 Zack Weinberg <zackw@stanford.edu>
273 * doc/cpp.texi: Formatting corrections.
274 Correct buggy example of use of __GNUC__ etc.
275 Clarify $ in identifiers.
276 * doc/cpp.1: Regenerate.
278 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
280 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
282 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
284 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
286 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
287 Added Tru64 UNIX V5.1 bootstrap hints.
288 (Specific, alpha*-*-osf*): Removed old section, obsolete.
290 2001-06-15 Andreas Jaeger <aj@suse.de>
292 * doc/install.texi (Specific): Mention that glibc cannot be
293 compiled with GCC 3.0.
295 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
297 * combine.c (nonzero_bits): Don't optimize away division by
300 2001-06-15 Zack Weinberg <zackw@stanford.edu>
302 * doc/cpp.texi: Revised and brought up to date.
303 * doc/cpp.1: Regenerate.
305 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
307 * doc/install.texi: Update --enable-threads to match reality.
309 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
311 * doc/install.texi: Update for C4x.
312 * README.C4X: Remove.
314 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
316 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
317 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
318 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
319 Consistently use "built-in" and "bit-field". Minor logical markup
321 * doc/gcc.1: Regenerate.
323 2001-06-14 Richard Henderson <rth@redhat.com>
325 * config/mips/mips.md (exception_receiver): New.
327 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
329 * doc/gcc.texi: Update passes documentation to be more in tune
332 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
334 * i386.c (ix86_expand_prologue): Fix merging conflict.
336 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
338 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
339 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
340 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
341 logical markup. Use TeX quotes and dashes. Use @dots{} and
342 @minus{}. Avoid spaces inside @var. Update last modification
344 * doc/gcc.1, doc/gcov.1: Regenerate.
346 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
348 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
349 x86_epilogue_using_move): New global variables.
350 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
351 (ix86_emit_save_regs_using_mov): New static function.
352 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
353 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
354 MASK_MIX_SSE_I387): Renumber.
355 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
356 (x86_accumulate_outgoing_args, x86_prologue_using_move,
357 x86_epilogue_using_move): Declare.
358 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
360 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
362 * inclhack.def (hpux10_cpp_pow_inline): New hack.
364 2001-06-13 Richard Henderson <rth@redhat.com>
366 * ifcvt.c (dead_or_predicable): Fix return value last patch.
368 2001-06-13 Mark Mitchell <mark@codesourcery.com>
372 2001-06-13 Richard Henderson <rth@redhat.com>
374 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
375 (cond_exec_process_if_block, dead_or_predicable): Likewise.
377 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
379 * mips-tfile.c (copy_object): Always pass indexNil for symbol
382 2001-06-13 Kazu Hirata <kazu@hxi.com>
384 * config/h8300/h8300.h (OK_FOR_T): Remove.
385 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
386 * config/h8300/h8300.md: Remove alternatives involving inc and dec
387 in the helper patterns for addhi3 and addsi3.
389 2001-06-13 Phil Edwards <pme@sources.redhat.com>
391 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
393 2001-06-13 Zack Weinberg <zackw@stanford.edu>
395 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
396 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
398 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
399 config/alpha/t-osf4, config/mips/t-iris6: Extract all
400 references to @shlib_map_file@, @shlib_objs@, or
401 @shlib_base_name@ to Makefile variables.
402 Bump soname version of libgcc to 1.
404 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
406 * doc/install.texi: Use more logical markup. Include @node
407 commands in the source when generating any non-HTML.
409 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
411 * README: Remove. Some of the contents moved to ../README.
413 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
415 * doc/install.texi (--enable-shared): List package names
418 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
420 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
421 (*-*-solaris*): Document problem in /bin/sh that affects
422 configuring libraries.
423 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
424 (*-sun-solaris2.8): Document linker problem that explains why
425 libjava is disabled by default.
427 2001-06-09 Mark Mitchell <mark@codesourcery.com>
430 * toplev.c (rest_of_compilation): Remove dead code before
433 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
436 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
437 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
438 * configure: Rebuilt.
440 2001-06-12 Jim Wilson <wilson@redhat.com>
442 * loop.c (strength_reduce): Move bl->all_reduced set before
443 check_ext_dependant_givs call.
444 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
446 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
448 * doc/extend.texi (Function Attributes): Document SH's sp_switch
451 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
453 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
456 2001-06-12 Richard Henderson <rth@redhat.com>
458 * config/i386/i386.c (ix86_expand_prologue): Always use
459 gen_pro_epilogue_adjust_stack; update arguments.
460 (ix86_expand_epilogue): Likewise.
461 (ix86_emit_epilogue_esp_adjustment): Remove.
462 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
463 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
464 clobber of scratch memory instead of a modification of EBP as the
465 barrier. Update all peepholes to match.
467 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
469 * doc/gcc.texi: Change the font used for @def... commands to a
471 * doc/extend.texi: Use more logical markup. Use "built-in"
472 instead of "builtin". Use @deftypefn to mark up built-in
473 functions; specify their types in the @deftypefn and not in the
474 descriptive text. Use TeX quotes and dashes. Add more index
477 2001-06-12 lars brinkhoff <lars@nocrew.org>
479 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
480 (DIR_SEPARATOR_2): Likewise.
482 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
484 * doc/install.texi (--exec-prefix, --bindir, --libdir,
485 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
487 (--enable-cpp): Change to document --disable-cpp instead; update
488 to reflect current default.
489 (--without-fast-fixincludes): Remove documentation.
490 (Final install): Document installation directories in more
491 detail. Document use of make dvi.
493 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
495 * recog.c (validate_replace_rtx_1): Fix previous patch.
497 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
499 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
501 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
503 * simplify-rtx.c (simplify_subreg): Allow volatile memory
504 to be subregged in case we don't have move instruction.
506 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
508 * loop.c: Include predict.h
509 (strength_reduce): Drop branch prediction note in case
510 number of iterations is known.
511 * predict.def (PRED_LOOP_ITERATIONS): new.
512 * Makefile.in (loop.o): Add dependancy on predict.h
514 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
516 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
518 * c-typeck.c (c_start_case): Likewise.
520 2001-06-12 Mark Mitchell <mark@codesourcery.com>
522 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
523 in a structure at a variable address.
525 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
527 * doc/gcov.texi: Use more logical markup.
529 2001-06-11 Mark Mitchell <mark@codesourcery.com>
531 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
532 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
533 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
536 2001-06-11 Stan Shebs <shebs@apple.com>
538 * darwin.h (ASM_FILE_END): Remove decl of language_string.
540 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
542 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
543 as an early clobber to make sure it is not used by reload in
546 2001-06-11 Mark Mitchell <mark@codesourcery.com>
548 * doc/c-tree.texi: Update information about flag_honor_std.
549 * doc/install.texi: Note that binutils is required on HPUX 11.
550 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
553 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
554 variable-sized types.
556 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
558 * doc/md.texi: Use TeX dashes and quotes.
560 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
562 * doc/rtl.texi: Reference manual chapter about trees.
564 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
566 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
567 (WINT_TYPE): Override.
568 (WINT_TYPE_SIZE): Likewise.
569 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
571 * config/sparc/sol2.h (WINT_TYPE): Define.
572 (WINT_TYPE_SIZE): Likewise.
574 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
575 (WINT_TYPE): Override.
576 (WINT_TYPE_SIZE): Likewise.
577 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
578 (CPP_ARCH64_SPEC): Likewise.
580 2001-06-11 Richard Henderson <rth@redhat.com>
582 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
583 with alias attribute.
585 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
586 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
588 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
590 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
592 2001-06-11 Stan Shebs <shebs@apple.com>
594 * darwin.c (darwin_encode_section_info): Rewrite to simplify
595 and fix coding mistakes.
597 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
599 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
600 return string from m32r_output_block_move.
601 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
603 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
605 (ROUND_ADVANCE): Remove signed/unsigned conflict.
606 * config/m32r/m32r.c: Declare prototypes for static functions.
607 (move_src_operand): Replace INT32_P with UINT32_P.
608 (function_arg_partial_nregs): Fixed signed/unsigned conflict
609 in initialisation of 'size'.
610 (m32r_sched_reord): Remove redundant declarations of 'code'.
611 (m32r_output_block_move): Change to a void function.
612 (m32r_encode_section_info): Cast return of
613 TREE_STRING_POINTER to avoid compile time warning.
615 2001-06-11 Richard Henderson <rth@redhat.com>
617 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
618 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
619 (struct machine_function): Add gp_save_rtx.
620 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
621 (alpha_gp_save_rtx): New.
622 * config/alpha/alpha-protos.h: Declare it.
623 * config/alpha/alpha.md (exception_receiver): Make an expander.
624 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
626 2001-06-11 Richard Henderson <rth@redhat.com>
628 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
630 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
632 * configure.in: Align --help messages.
633 Remove trailing full stops.
634 Consistently use lower case.
635 Fix DWARF 2 spelling.
636 * configure: Rebuilt.
638 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
640 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
641 variants for .cpp/.cp/.c++ files.
642 Move definition of __LANGUAGE_C_PLUS_PLUS ...
643 (CPLUSPLUS_CPP_SPEC): ... here.
645 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
647 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
649 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
651 * c-decl.c (store_parm_decls): When comparing types in an
652 old-style function declaration with those from a previous
653 prototype, compare the unqualified versions of parameter types.
656 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
658 * doc/objc.texi: Use more logical markup. Use TeX dashes.
660 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
662 * doc/c-tree.texi: Use more logical markup.
664 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
666 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
668 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
670 * loop.c (scan_loop): Do not combine asm statements.
672 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
674 * simplify-rtx.c (simplify_subreg): Fix offset calculation
675 for complex values within a CONCAT.
677 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
679 * doc/install.texi: Update details of what components are included
680 in the GCC distribution. Update default directory for g++
681 includes. Update documentation relating to old libio. Adjust
682 documentation on DejaGnu environment variables. Remove
683 documentation of --enable-cpplib.
685 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
687 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
690 2001-06-10 Richard Henderson <rth@redhat.com>
692 * ifcvt.c (life_data_ok): New.
693 (merge_if_block): Use it to determine whether to update
695 (if_convert): Set it.
697 2001-06-10 Richard Henderson <rth@redhat.com>
699 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
701 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
703 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
704 (SH Options): Document -mieee.
705 * doc/install.texi (Final install): Remove obsolete information
706 about installing cross compilers.
707 * doc/gcc.1: Rebuilt.
709 2001-06-10 Richard Henderson <rth@redhat.com>
711 * config/alpha/alpha.c (override_options): Set align_loops,
712 align_jumps, and align_functions.
713 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
714 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
716 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
718 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
719 are one and two words in size.
721 2001-06-10 Richard Henderson <rth@redhat.com>
723 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
724 (Code Generation Options): Document -fnon-call-exceptions.
726 2001-06-10 Mark Kettenis <kettenis@gnu.org>
728 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
730 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
732 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
734 2001-06-10 Mark Mitchell <mark@codesourcery.com>
735 Gabriel Dos Reis <gdr@codesourcery.com>
737 * Makefile.in (c-parse.o): Depend on diagnostic.h
738 (dwarf2out.o): Likewise.
740 * dwarf2out.c: #include diagnostic.h
742 * toplev.h (warningcount, errorcount, sorrycount): Remove
745 * toplev.c (warningcount, errorcount, sorrycount): Remove
748 * diagnostic.h (struct output_buffer): Reorder fields.
749 (diagnostic_kind_count): New macro.
750 (errorcount, warningcount, sorrycount): Define as macros.
751 (diagnostic_report_warnings_p): New macro.
752 (output_state): Add diagnostic_count field.
754 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
755 Remove tentative declaration.
756 (count_error): Use diagnostic_report_warnings_p.
758 * c-parse.in: #include diagnostic.h
760 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
762 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
763 prefer a memory for operand 1.
764 ("*addsi3"): Fix constraints, the '!' was too strong.
765 ("*addsi3_split"): Accept soft register and split accordingly.
767 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
769 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
770 Move definition in the RTX_CODE section.
772 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
774 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
775 address as relative to the argument pointer.
777 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
779 * predict.def (PRED_OPCODE): Place before call and error_return.
781 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
783 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
784 * predict.c (estimate_probability): Calculate dominance
785 information; improve detection of NORETURN heuristics;
786 add call/error_return heuiristics; tweak comparison heuristics
789 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
791 * doc/invoke.texi (C Dialect Options): Document -aux-info.
792 (Debugging Options): Document -print-multi-directory and
794 * doc/gcc.1: Rebuilt.
796 * toplev.c (independent_decode_option): Require `=' between
797 `-aux-info' and filename in the same argument.
798 * gcc.c: Don't pass -aux-info=filename twice.
800 2001-06-09 Mark Mitchell <mark@codesourcery.com>
802 * expr.c (expand_expr, case ARRAY_REF): Do not replace
803 an array element with the known initializing value if it has
806 * toplev.c (rest_of_compilation): Remove dead code before
809 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
811 * cppinit.c (print_help): Document -fpreprocessed.
812 * invoke.texi: Similarly.
814 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
816 * predict.def: New file.
817 * predict.h: New file.
818 * predict.c: Include predict.h.
819 (predictor_info): New structure and array.
820 (predict_edge, predict_insn): Rewrite; make global.
821 (predict_edge_def, predict_insn_def): New global functions.
822 (dump_prediction, combine_predictions_for_insns): New
824 (estimate_probability): Change calls to predict_edge
825 to predict_edge_def and calls to predict_insn to predict_insn_def;
826 combine probabilities.
827 (expected_value_to_br_prob): Behave as predictor.
828 * rtl.h (REG_BR_PRED): Update coment.
829 (invert_br_probabilities): New.
830 * jump.c: Include predict.h
831 (duplicate_loop_exit_test): Drop branch prediction notes.
832 (invert_jump): Use invert_br_probabilities.
833 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
834 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
835 * combine.c (distribute_notes): Handle BR_PRED.
837 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
839 * predict.c (predict_insn, predict_edge): New static functions.
840 (estimate_probability): Revamp to use new functions;
841 fix loop header heruistics; add loop exist heruistics
843 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
845 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
847 2001-06-09 Peter Jakubek <pjak@snafu.de>
849 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
851 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
853 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
854 for integer operations that don't update C bit.
856 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
858 * gthr-posix.h (__gthread_objc_init_thread_system): If
859 pthread_key_create fails, it's not clear what the return value is.
860 This obvious fix makes sure it always returns -1 if a problem
863 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
865 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
866 more index entries. Use more logical markup where appropriate.
867 Use TeX quotes and dashes.
869 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
871 * unwind-pe.h: Conditionally qualify references to abort with
874 2001-06-09 Julian Foad <julian_foad@hotmail.com>
876 * doc/invoke.texi: Remove superfluous text.
878 2001-06-08 Richard Henderson <rth@redhat.com>
880 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
881 (LIB_SPEC): Mirror config/linux.h version.
883 2001-06-08 Richard Henderson <rth@redhat.com>
885 * except.c (get_exception_pointer, get_exception_filter): Take a
886 struct function. Update all callers.
887 * except.h (get_exception_pointer): Update declaration.
888 * expr.c (expand_expr): Update get_exception_pointer call.
889 * integrate.c (expand_inline_function): Remap the exception pointer
890 from callee to caller.
892 2001-06-08 Mark Mitchell <mark@codesourcery.com>
894 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
895 accurately reflect its cv-qualification.
896 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
897 cv-qualifiers on function types.
899 2001-06-08 Mark Mitchell <mark@codesourcery.com>
901 * basic-block.h: Improve comments.
902 * except.c (expand_eh_region_end_allowed): Remove redundant call
903 to do_pending_stack_adjust.
904 * flow.c (life_analysis): Fix typo in comment.
905 (calculate_global_regs_live): Add documentation.
906 (mark_set_1): Likewise.
907 (debug_regset): Likewise.
908 * doc/rtl.texi (cond_exec): Document it.
910 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
912 * i386.h (CONST_COSTS): set cost of constants representable in
913 immediate fields to 0.
915 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
917 * function.c (diddle_return_value): Kill code to determine
918 return value before expand_function_end.
919 (expand_function_end): Delay call to clobber_return_register
920 after fucntion return value is computed.
922 Re-install temporary reverted patch:
923 * toplev.c (rest_of_compilation): Call split_all_insns
924 before reg-stack and shorten-branches. Do shorten-branches
926 * final.c (shorten_branches): Remove insn splitting code.
928 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
930 * doc/gcc.texi, doc/invoke.texi: Add index of command line
931 options. Use @opindex to index them rather than other indexing
932 commands. Use @var{...} instead of <...>. Avoid spaces in names
933 inside @var. Don't use @kindex to index escape sequences in
936 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
938 * stmt.c (current_nesting_level): New fn.
939 * tree.h: Declare it.
940 * c-semantics.c (genrtl_compound_stmt): Use it.
942 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
944 2001-06-08 Jakub Jelinek <jakub@redhat.com>
946 * jump.c (mark_modified_reg): Allow jump threading if condition
947 codes are represented by a hard register.
949 2001-06-08 Jakub Jelinek <jakub@redhat.com>
951 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
952 for complex floats passed to unprototyped functions.
954 2001-06-08 Mark Mitchell <mark@codesourcery.com>
956 * except.c (expand_eh_region_end_allowed): Call
957 do_pending_stack_adjust as necessary.
959 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
961 * function.c (clobber_return_register): Clobber the pseudo return
964 * sibcall.c (skip_unreturned_value): New function.
965 (call_ends_block_p): Use it.
967 * recog.c (split_insn): Break out from ...
968 (split_all_insns): ... here; do not use basic block information
971 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
973 * simplify-rtx.c (simplify_subreg): Fix verification of
976 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
978 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
979 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
980 Move definition of _LANGUAGE_C_PLUS_PLUS ...
981 (CPLUSPLUS_CPP_SPEC): ... here.
982 Fixes PRs c++/3047, target/441.
984 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
986 * doc/install.texi2html (MAKEINFO): Keep value if set already.
988 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
990 * doc/gcc.texi: Add trailing slash to URL.
992 2001-06-07 Stan Shebs <shebs@apple.com>
994 * config/darwin.h (ENCODE_SECTION_INFO): Define.
995 (REDO_SECTION_INFO_P): Ditto.
996 (STRIP_NAME_ENCODING): Ditto.
997 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
998 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
999 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1000 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1001 * config/darwin.c: No longer include c-tree.h.
1002 (machopic_classify_ident): Rewrite to use symbol encoding.
1003 (lookup_name_darwin): Remove.
1004 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1005 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1006 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1007 (machopic_finish): Ditto, remove test of decl.
1008 (update_non_lazy_ptrs): New function.
1009 (darwin_encode_section_info): New function.
1010 * config/darwin-protos.h: Declare it.
1011 * config/rs6000/rs6000.c (machopic_output_stub): Use
1012 STRIP_NAME_ENCODING.
1014 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1016 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1017 (DECL_SOURCE_LINE): Likewise.
1019 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1021 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1022 from config/elfos.h.
1024 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1026 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1027 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1029 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1031 * doc/contrib.texi: Add copyright notice.
1033 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1035 * doc/md.texi: Use four digit years in copyright notice.
1037 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1039 * config.gcc: For $target_alias of athlon-*, set
1040 target_cpu_default2=5.
1042 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1044 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1045 end of last block if last real insn is a JUMP_INSN.
1047 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1051 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1053 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1054 pthread_t to objc_thread_t.
1055 (__gthread_objc_thread_id): Likewise.
1057 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1059 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1060 (ASM_OLDAS_SPEC): Likewise.
1062 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1063 (CPP_SUBTARGET_SPEC): Use it.
1064 (ASM_OLDAS_SPEC): Define.
1066 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1068 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1070 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1071 passed by reference.
1073 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1075 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1076 Document use of N_(...), and show it in examples. Note that
1077 documentation should be added to invoke.texi. Avoid an overfull
1080 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1082 * toplev.c (rest_of_compilation): Revert previous patch.
1083 * final.c (shorten_branches): Likewise.
1085 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1087 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1090 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1092 * doc/install-old.texi: Remove more obsolete documentation.
1094 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1096 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1098 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1100 * toplev.c (rest_of_compilation): Call split_all_insns
1101 before reg-stack and shorten-branches. Do shorten-branches
1103 * final.c (shorten_branches): Remove insn splitting code.
1105 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1107 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1108 * configure: Rebuilt.
1110 2001-06-07 Andreas Jaeger <aj@suse.de>
1112 * emit-rtl.c (operand_subword): Remove unused variable.
1114 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1116 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1117 if TARGET_64BIT is false.
1118 (floatdi?f_i386_only): New insn.
1119 (floatdi?f_i386): Disable for !TARGET_64BIT.
1121 * (min?f, max?f splitters): Handle case where
1122 operands are cross-matched.
1124 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1125 (MMX_REGISTER_NAMES): Kill.
1126 (PRINT_OPERAND): Fix comment.
1127 (PRINT_REG): Likewise.
1128 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1129 (print_operand): Update comment; kill 'm'.
1131 * i386.c (x86_branch_hints): New global variable
1132 (print_operand): Support outputting of branch prediction hints.
1133 * i386.md (conditional jump patterns): Add branch prediction hints
1135 * i386.h (x86_branch_hints): Declare
1136 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1137 (PRINT_OPERAND_FUNCT_VALID_P): New.
1138 * final.c (final_forward_branch_p): New function.
1140 2001-06-06 Richard Henderson <rth@redhat.com>
1142 * flow.c (mark_used_reg): Clean up looping over multiple hard
1143 registers. Do conditional life bits across multiple hard regs.
1145 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1147 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1148 deleted during reload.
1150 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1152 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1153 functions here, instead of ...
1154 * c-decl.c (c_expand_body): ... here.
1156 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1158 * config.gcc, config/sparc/bsd.h: Do not directly include
1159 sparc/sparc.h. Instead do it via tm_file.
1161 2001-06-05 Richard Henderson <rth@redhat.com>
1163 * dwarf2.h (DW_EH_PE_aligned): New.
1164 * dwarf2asm.c (eh_data_format_name): Name it.
1165 (dw2_asm_output_encoded_addr_rtx): Align for it.
1166 * dwarf2out.c (output_call_frame_info): Handle it for personality
1167 routine and LSDA pointers.
1169 * unwind-pe.h (DW_EH_PE_aligned): New.
1170 (base_of_encoded_value): Handle it.
1171 (read_encoded_value_with_base): Likewise.
1172 * unwind-dw2-fde.c (base_from_object): Likewise.
1173 (get_cie_encoding): Likewise.
1175 * config/alpha/elf.h: Remove ecoff commentary.
1176 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1178 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1180 * config.gcc, config/i386/bsd386.h: Do not directly include
1181 i386/386bsd.h. Instead do it via tm_file.
1183 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1185 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1188 2001-06-05 Pascal Obry <obry@act-europe.fr>
1190 * configure.in: Quote $enable_win32_registry in case the value has
1194 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1196 * print-rtl.c (xspaces): Remove.
1197 (print_rtx): Use printf field-width, rather than xpsaces, to
1199 * toplev.c (main): Disable sibling-call optimization if we are
1200 handling exceptions.
1202 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1204 * reload1.c (reload): Delete all USEs generated during reload.
1206 2001-06-05 scott snyder <snyder@fnal.gov>
1208 * gccbug.in: Fix typo.
1210 2001-06-05 Andreas Jaeger <aj@suse.de>
1212 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1213 parameter and return value.
1215 2001-06-04 Anthony Green <green@redhat.com>
1217 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1218 machine. This is now done in sparc.h.
1220 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1222 Correct CVS resurrection of invoke.texi.
1223 * doc/invoke.texi: Document new tree dump flags.
1225 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1227 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1228 for casting an aggregate to its own type. Fixes PR c/2735.
1230 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1232 * doc/texinfo.tex: Update to version 2001-05-24.08.
1234 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1236 * c-common.h (flag_dump_translation_unit): Remove.
1237 (enum tree_dump_index): Define.
1238 (TDF_ADDRESS, TDF_SLIM): New #defines.
1239 (dump_node_to_file): Remove.
1240 (dump_node): Make extern. Add flags.
1241 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1242 dump_switch_p): Prototype.
1243 * c-common.c (flag_dump_translation_unit): Remove.
1244 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1245 logic. Use dump_switch_p.
1246 * c-dump.h (struct dump_info): Add node and user fields.
1247 (dump_pointer): Declare.
1248 * c-dump.c (dump_node): Make extern. Add flags.
1249 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1250 (dump_new_line, dump_maybe_newline): Use them.
1251 (dump_pointer): New function.
1252 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1253 chain or function's body. Dump address, if TDF_ADDRESS set.
1254 (dump_flag): Define.
1255 (dump_node_to_file): Remove.
1256 (struct dump_file_info): New struct.
1257 (dump_files): New array.
1258 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1259 * c-lang.c (finish_file): Adjust dumping.
1260 * toplev.h (dump_base_name): Make extern.
1261 * invoke.texi: Document new flags.
1263 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1265 * c-tree.h (lang_decl): Add pending_sizes fields.
1266 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1268 (c_expand_body): Expand them.
1269 (lang_mark_tree): Mark lang_decl:pending_sizes.
1270 * function.c (expand_pending_sizes): New function, broken out
1272 (expand_function_start): ... here.
1273 * tree.h (expand_pending_sizes): Declare it.
1275 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1277 * doc/install.texi: Update FreeBSD information. Generalize
1278 and update information for alpha-based platforms using ELF.
1280 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1282 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1283 (store_parm_decls): Likewise.
1284 * c-typeck.c (convert_arguments): Likewise.
1286 2001-06-04 Richard Henderson <rth@redhat.com>
1288 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1289 optimization if current_function_calls_setjmp.
1291 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1293 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1296 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1298 * simplify-rtx.c (simplify_subreg): Fix combining of
1299 paradoxical subregs.
1301 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1303 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1304 (no_labels_between_p): Short circuit case beg==end.
1306 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * rtlanal.c (operand_preference): Fix preference for objects.
1310 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1312 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1315 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1317 * combine.c (if_then_else_cond): Use simplify_subreg instead
1319 * integreate.c (sub_constants): Likewise.
1321 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1323 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1324 and use simplify_gen_subreg.
1326 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1328 * sibcall.c (skip_copy_to_return_value): recognize the situation
1329 when the called function's return value is copied into an
1330 intermediate pseudo, and then into the calling functions return
1333 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1335 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1336 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1337 in case register wasn't OK previously, accept it now; allow
1338 subregs of frame pointer if reload completed and frame pointer
1341 * combine.c (sombine_simplify_rtx): Fix comment;
1342 use subreg_lowpart_offset instead of subreg_lowpart_p
1343 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1344 * rtl.h (subreg_lowpart_parts_p): Kill.
1345 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1346 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1347 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1348 (gen_lowpart_common): Likewise.
1349 (subreg_lowpart_p): Likewise.
1350 (subreg_lowpart_parts_p): Kill.
1351 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1353 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1354 to simplify SUBREG and REG.
1355 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1357 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1360 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1362 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1364 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1365 (ARRAY_RANGE_REF): Added description.
1367 * tree.def (ARRAY_RANGE_REF): New code.
1368 * alias.c (handled_component_p, can_address_p): Handle it.
1369 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1370 * explow.c (set_mem_attributes): Likewise.
1371 * expr.c (expand_assignment, get_inner_reference): Likewise.
1372 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1373 * fold-const.c (operand_equal_p): Likewise.
1374 * tree.c (staticp, stabilize_reference): Likewise.
1375 * varasm.c (decode_addr_const): Likewise.
1377 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1379 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1380 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1382 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1384 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1385 mark_constant_pool_use before output_addr_const.
1386 (struct pool_node): New field wend.
1387 (add_constant): Note a sequence of constants that are referenced
1389 (pool_window_label, pool_window_last): New variables.
1390 (dump_table): Emit a unspec_volatile representing the end of a
1391 sequence of constants.
1392 (mark_constant_pool_use): New function.
1393 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1394 (consttable_2): Add the second operand which flags whether
1395 this consttable entry was used or not.
1396 (consttable_4, consttable_8, consttable_sf, consttable_df):
1398 (consttable_window_end): New insn.
1400 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1402 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1403 Reformat according to coding standards.
1406 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1407 (shl_and_kind): Cast wide constant.
1408 (gen_far_branch): Define as static, as in declaration.
1409 (barrier_align): Compute cache-line length as unsigned. Add
1410 parentheses in initial credit computation.
1411 (rounded_frame_size): Add parentheses.
1412 (permanent_obstack): Remove declaration. Include ggc.h for
1413 declaration of ggc_add_root_rtx().
1414 (get_free_reg): Removed declaration of unused variable reg.
1415 (legitimize_pic_address): Mark mode argument as unused.
1417 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1419 * config/sh/sh.c (output_branch): Support for insn with lenght
1420 attr 12 & 16 which represents cond branches outside +-4096 range.
1422 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1424 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1425 cache-mirroring sequence. Add nops.
1427 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1429 * doc/install-old.texi: Remove more old installation
1431 * doc/install.texi: Add relevant parts here.
1433 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1435 * doc/install.texi2html: New script.
1437 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1439 * doc/install.texi: Update AIX information again.
1441 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1443 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1444 installation documentation.
1445 * doc/install.texi: Move it to here.
1447 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1449 * doc/install.texi: Clean up Texinfo markup.
1451 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1453 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1454 to just after title page.
1456 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1458 * doc/install-old.texi: Remove documentation of some configuration
1460 * doc/install.texi: Add relevant parts of this documentation here.
1462 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1464 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1465 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1467 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1469 * i386.md (all uses of ext_register_operand): Make sure they are
1470 VOIDmode; replace all uses outside zero_extend.
1471 (and?i splitters): Use ext_register_operands.
1472 (test?i peep2): Remove ignored constraints.
1473 * i386.c (ext_register_operand): Check that operand is
1474 eighter pseudo or hard or 'Q' register.
1476 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1478 * tree.h (struct record_layout_info_s): New field unpadded_align.
1479 (set_lang_adjust_rli): New declaration.
1480 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1481 it would have if not packed, do not downgrade DECL_ALIGN.
1482 (lang_adjust_rli, set_lang_adjust_rli): New.
1483 (start_record_layout): Initialize new field unpadded_align.
1484 (debug_rli): Display it.
1485 (place_union_field, place_field): Set it.
1486 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1488 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1489 mean that; use proper names instead.
1490 Print DECL_NO_STATIC_CHAIN.
1492 * except.c (expand_builtin_frob_return_addr): Add missing call
1493 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1494 (expand_builtin_eh_return): Likewise.
1495 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1497 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1499 * doc/invoke.texi: Remove references to papers about sequence points
1500 to readings.html, refer to that page.
1502 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1504 * README: Update references to installation instructions.
1506 2001-06-01 Laurent Guerby <guerby@acm.org>
1507 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1509 * doc/install.texi: Define srcdir when sources come from CVS.
1510 Significantly improve markup. Wrap overly long lines
1512 2001-06-01 DJ Delorie <dj@redhat.com>
1514 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1515 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1516 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1517 gcov.1: Move to doc subdirectory.
1518 * install.texi: Move to doc/install-old.texi.
1519 * gcc.texi: Move to doc, refer to install-old.texi.
1520 * Makefile.in: Reflect move of docs to doc/.
1521 * f/Make-lang.in: Ditto.
1522 * java/Make-lang.in: Ditto.
1523 * doc/.cvsignore: New.
1525 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1527 * invoke.texi: use two spaces between command options, eliminate
1528 some 'overfull hboxes'
1530 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1532 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1533 (DRIVER_DEFINES): Ditto.
1535 2001-05-31 Richard Henderson <rth@redhat.com>
1537 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1538 also link against libgcc.a.
1540 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1542 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1543 * config/mips/mips.c (mips_output_ascii): New function.
1544 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1546 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1548 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1550 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1551 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1553 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1555 * install.texi (Configuration): Add html links for --with-gnu-as &
1556 --with-gnu-ld and refer to them from hppa & SCO triplets.
1557 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1558 (Specific): Reword AVR binutils recommendation.
1560 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1562 * ggc-page.c (size_lookup): Increase minimum allocation size
1564 (ggc_print_statistics): Report size of each bin in bytes, not
1565 as its order; there is no longer a direct relationship.
1567 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1569 * extend.texi: Fix formating of examples, eliminate some
1571 * gcc.texi: Eliminate some 'overfull hboxes'.
1572 * invoke.texi: Use two spaces between command options, eliminate
1573 some 'overfull hboxes'.
1575 2001-05-30 Richard Henderson <rth@redhat.com>
1577 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1579 2001-05-30 Tom Tromey <tromey@redhat.com>
1581 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1582 use it in the new association.
1584 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1585 John David Anglin <dave@hiauly1.hia.nrc.ca>
1587 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1588 to target type to allow ISO C++ compiler to accept it.
1589 * gthr-dce.h (__gthread_active_ptr): Likewise.
1590 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1592 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1594 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1595 so that we do accept comments in preprocessed input.
1597 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1599 * cpphash.c (alloc_node): Cast allocated pointer.
1601 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1603 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1605 2001-05-29 Stan Shebs <shebs@apple.com>
1607 * gcc.texi: Add links for information about Objective-C.
1609 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1611 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1612 /bin/sed fails on [^\"]).
1613 (configargs.h): Likewise.
1615 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1617 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1619 2001-05-28 Stan Shebs <shebs@apple.com>
1621 * objc/objc.gperf: Remove, no longer used.
1623 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1625 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1626 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1627 Remove trailing whitespace.
1629 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1631 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1632 became http://freeware.sgi.com/.
1634 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1636 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1639 2001-05-27 Stan Shebs <shebs@apple.com>
1641 * objc/objc-act.c: Add/fix various comments.
1642 (init_selector): Remove, no longer used.
1643 (build_msg_pool_reference): Ditto.
1644 (objc_debug): Ditto.
1646 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1648 * c-decl.c (init_decl_processing):
1649 Don't call start_identifier_warnings.
1650 * flags.h (warn_id_clash, id_clash_len): Remove.
1651 * stringpool.c: Don't include flags.h.
1652 (scan_for_clashes, do_identifier_warnings,
1653 start_identifier_warnings): Remove.
1654 * toplev.c (warn_id_clash, id_clash_len): Remove.
1655 (display_help): Don't document -Wid-clash.
1656 (decode_W_option): Print warning on -Wid-clash.
1657 * tree.h (start_identifier_warnings): Remove.
1658 * invoke.texi: Remove documentation of -Wid-clash.
1660 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1662 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1664 2001-05-27 Bruce Korb <bkorb@gnu.org>
1666 * fixinc/check.tpl(HACK) add and use a Scheme variable
1667 (has no test text): error out if no "test_text" is defined
1668 * fixinc/fixincl.tpl: likewise
1669 (FIXIDX): make it an enumeration so we minimize diffs
1670 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1671 * fixinc/fixincl.x: regenerate
1672 * fixinc/tests/base/stdio.h: test output got moved due to
1674 * README-fixinc: rewrite (mostly)
1676 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1678 * cpplib.c (run_directive): Set pfile->directive.
1680 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1682 * c-tree.texi: Reformat the manual as a single chapter now
1683 included by gcc.texi.
1684 * gcc.texi: Include c-tree.texi. Merge all indexes.
1685 * Makefile.in (dvi): Add generation for the cppinternals
1686 documentation. Added dependencies on fdl.texi and c-tree.texi
1687 where appropriate. Use TEXI2DVI instead of custom tex calls.
1688 (info): Added dependencies on fdl.texi and c-tree.texi where
1689 appropriate. Remove the target c-tree.info.
1691 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1693 * combine.c (try_combine): Fix typo in comment.
1694 * expr.c (expand_expr): Likewise.
1695 * config/i370/i370.md (untyped_call): Likewise.
1697 2001-05-26 Bruce Korb <bkorb@gnu.org>
1699 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1700 when fixincl is operating in test mode
1701 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1702 (AAB_ultrix_limits): remove redundant text
1703 (AAB_ultrix_memory): ditto
1704 (AAB_ultrix_string): ditto
1705 (djgpp_wchar_h): fix the test text
1706 (irix_stdio_va_list): add test text
1707 (irix_limits_const): add a testing output file (limits.h is overwritten)
1708 (strict_ansi_not_ctd): put limits.h second in list for same reason
1709 (solaris27_mutex_init): test text needed selection text, too
1711 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1712 when fixincl is operating in test mode
1714 2001-05-26 Philip Blundell <philb@gnu.org>
1716 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1717 * config/i960/i960-protos.h: Likewise.
1718 * config/i370/i370-protos.h: Likewise.
1719 * config/h8300/h8300-protos.h: Likewise,
1720 * config/sh/sh-protos.h: Likewise.
1721 * config/v850/v850-protos.h: Likewise.
1723 2001-05-26 Philip Blundell <philb@gnu.org>
1725 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1727 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1729 * toplev.c (debug_args, f_options, W_options): Mark
1730 descriptions for translation.
1731 (display_help): Translate descriptions on output.
1733 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1734 objc/lang-options.h: Mark descriptions for translation.
1736 * aclocal.m4: Quote final argument of patsubst. Use
1737 3-argument form of AC_DEFINE. Restore quotes to [] while
1739 * configure.in: Remove unnecessary changequote calls.
1740 * configure, config.in: Regenerate.
1742 2001-05-25 Sam TH <sam@uchicago.edu>
1744 * basic-block.h: Fix header include guards.
1745 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1746 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1747 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1748 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1749 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1750 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1751 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1752 varray.h version.h: Likewise.
1753 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1754 config/arm/arm.h config/c4x/c4x-protos.h
1755 config/h8300/h8300-protos.h config/h8300/h8300.h
1756 config/i370/i370-protos.h config/i370/i370.h
1757 config/i960/i960-protos.h config/mcore/mcore.h
1758 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1759 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1760 * fixinc/fixlib.h fixinc/server.h: Likewise.
1762 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1764 * config/arc/initfini.c (.init): Fix typo.
1766 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1768 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1770 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1772 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1774 2001-05-25 Richard Henderson <rth@redhat.com>
1776 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1778 2001-05-25 Richard Henderson <rth@redhat.com>
1780 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1781 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1782 (sparc*-*-solaris2): Likewise.
1783 * config/t-linux: Remove shared libgcc macros.
1784 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1785 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1787 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1789 * config.gcc (*-*-freebsd*): Report bad configuration.
1791 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1793 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1795 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1797 (ASM_OUTPUT_LABELREF): Delete.
1799 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1801 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1802 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1803 * fixinc/fixincl.x: Regenerate.
1804 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1805 (FIX_TEST_TABLE): Declare it.
1806 * fixinc/fixlib.h: Include config.h.
1808 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1810 * fixinc/inclhack.def (alpha___assert): Change char * args to
1811 const char * on Tru64 UNIX to avoid excessive warnings from
1813 * fixinc/fixincl.x: Regenerate.
1815 2001-05-25 Geoff Keating <geoffk@redhat.com>
1817 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1818 outputting a tag only for variable-size records.
1820 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1822 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1823 instead of rtx_equal_p for early clobber test.
1825 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1827 * builtins.def: Encode additional information, such as names and
1829 * builtin-types.def: New file.
1830 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1831 (built_in_decls): Likewise. Don't explicitly initialize global
1833 (expand_builtin_mathfn): Handle float and long double variants of
1835 (expand_builtin): Likewise.
1836 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1837 (expand_tree_builtin): Handle long, long long, float, and long
1838 double variants of math functions.
1839 * c-common.h (c_tree_index): Remove some unused nodes.
1840 (void_ftype): Remove.
1841 (void_type_ptr): Likewise.
1842 (int_ftype_int): Likewise.
1843 (ptr_ftype_sizetype): Likewise.
1844 * c-decl.c (init_decl_processing): Remove creation of DWARF
1846 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1847 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1848 * Makefile.in (c-common.o): Depend on builtin-types.def.
1850 2001-05-25 Dale Johannesen <dalej@apple.com>
1852 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1854 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1856 * c-parse.in (notype_initdcl): Remove redundant line.
1858 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1860 * aclocal.m4: Fixed typo.
1861 (gcc_AC_HEADER_STDBOOL): Define.
1862 (gcc_AC_C__BOOL): Define.
1863 * configure.in: Use them.
1864 (AC_CHECK_HEADERS): Remove stdbool.h
1865 * configure, config.in: Regenerate.
1867 2001-05-25 Richard Henderson <rth@redhat.com>
1869 * function.c (expand_function_start): Don't abort on PARALLEL
1870 returns from hard_function_value.
1872 2001-05-25 Richard Henderson <rth@redhat.com>
1874 * config/i386/i386.md: Revert previous change. Do not apply
1875 the peephole if the components do not die after the sequence.
1877 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1879 * c-parse.in (array_declarator): New. Handle C99 constructs.
1880 Don't restrict [*] declarators to C only.
1881 (after_type_declarator, parm_declarator_starttypename,
1882 parm_declarator_nostarttypename, notype_declarator,
1883 direct_absdcl1): Use it.
1884 * c-decl.c (build_array_declarator, set_array_declarator_type):
1885 New functions. Warn that [*] isn't properly implemented; pedwarn
1886 for [*] outside C99 mode if pedantic rather than giving a hard
1888 (grokdeclarator): Handle static and type qualifiers in parameter
1890 * c-tree.h (build_array_declarator, set_array_declarator_type):
1892 * extend.texi (Attribute Syntax): Document attributes in parameter
1895 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1897 * config/i386/i386.md: Make sure cmpstr peepholes do not
1898 affect liveness information.
1900 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1902 * c-typeck.c (digest_init): Issue error messages about
1903 invalid constants, not warnings.
1905 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1907 * invoke.texi (-fno-builtin): Document that this is always on
1910 2001-05-24 Philip Blundell <philb@gnu.org>
1912 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1915 2001-05-24 Philip Blundell <philb@gnu.org>
1917 * config/arm/arm.c (output_return_instruction): Correctly handle
1918 interworking and interrupt functions.
1920 2001-05-24 Philip Blundell <philb@gnu.org>
1922 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1923 -m{no-}sched-prolog. Fix typos and improve formatting.
1925 2001-05-24 Philip Blundell <philb@gnu.org>
1927 * invoke.texi (ARM Options): Improve wording slightly. Add
1928 documentation for more options, including those for Thumb mode.
1929 Don't mention options that don't exist or are unimplemented.
1930 (Thumb Options): Delete; merged into above section.
1932 2001-05-24 Geoff Keating <geoffk@redhat.com>
1934 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1935 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1937 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1939 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1940 fix hard register simplification.
1942 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1944 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1945 of just copying CPP_CPU_SPEC.
1947 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1949 * i386.c (incdec_operand): Accept only 1 and -1.
1951 2001-05-23 Kelley Cook <kelley.cook@home.com>
1953 * Makefile.in: Move many of the *_H definitions eariler in the
1954 file, so that rules in t-* files that use them for
1955 dependencies will work in a parallel build.
1956 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1958 2001-05-23 Richard Henderson <rth@redhat.com>
1960 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1962 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1964 * cpp.texi: Update for handling of charconsts.
1965 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1966 diagnostics. Skip to the end if the UCS is too short.
1967 (cpp_interpret_charconst): Long charconsts issue a warning
1970 2001-05-23 Richard Henderson <rth@redhat.com>
1972 * doc/install.texi (alpha-linux): Require binutils 2.11.
1974 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1976 * c-lex.c (read_escape, read_ucs): Delete.
1977 (lex_string): Use cpp_parse_escape.
1978 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1979 if not C++ or not C99. Warn if traditional.
1980 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1981 unsigned. Warn for out-of-range escape sequences here.
1982 Update to use maybe_read_ucs.
1983 (cpp_interpret_charconst): Don't warn here.
1984 * cpplib.h (cpp_parse_escape): New exported function.
1986 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1988 * extend.texi (Attribute Syntax): Clarify application of
1989 attributes to parameters declared as functions or arrays.
1991 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1993 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1995 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1997 * diagnostic.c (vnotice): Kill.
1998 (fnotice): Call vfprintf directly.
1999 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2000 verbatim, set_diagnostic_context): Rename string argument to
2001 indicate that it is run through gettext.
2002 (vbuild_message_string, build_message_string, output_do_printf):
2003 Rename string argument to indicate that it is NOT run through
2005 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2006 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2007 Run msgid argument through gettext.
2008 (default_print_error_function): Run constant strings through
2009 gettext when nothing else will.
2010 (fatal_error, internal_error, error_recursion): Use fnotice.
2011 Present complete sentences to gettext.
2013 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2015 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2017 2001-05-23 Richard Henderson <rth@redhat.com>
2019 * function.c (expand_function_start): Always use a pseudo
2020 for the function result value.
2022 2001-05-22 Richard Henderson <rth@redhat.com>
2024 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2025 section pointer alignment.
2027 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2029 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2030 of __USER_LABEL_PREFIX__.
2032 2001-05-22 Richard Henderson <rth@redhat.com>
2034 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2035 (__deregister_frame_info_bases): New.
2036 * unwind-dw2-fde.h: Declare it.
2037 * libgcc-std.ver: Export it.
2038 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2039 called __register_frame_info_bases.
2041 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2043 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2044 instead of #elif (which is OK for this case but not in general).
2046 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2048 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2049 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2050 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2051 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2052 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2054 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2055 David O'Brien <obrien@freebsd.org>
2057 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2058 configure-time options and target version of FreeBSD. Set-up
2059 to match architectural change in threading support. Correctly
2060 report when -pthread option is not supported by configure-time
2062 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2063 and extend to encode target version number in run-time setting
2064 of __FreeBSD__ macro to match the system compiler.
2065 (CPP_PREDEFINES): Likewise.
2066 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2068 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2069 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2071 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2072 David O'Brien <obrien@freebsd.org>
2074 * config.gcc (the unlabeled system switch statement): Add
2075 generic configuration section to handle *-*-freebsd*. Also,
2076 to match the system compiler, default to threading support (it
2077 may be disabled with the standard --disable-threads
2078 configuration-time switch).
2079 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2080 (alpha*-*-freebsd* in machine-specific section): Likewise.
2082 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2083 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2084 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2085 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2086 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2088 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2089 David O'Brien <obrien@freebsd.org>
2091 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2092 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2093 -pthread instead setting macro.
2095 2001-05-22 Richard Henderson <rth@redhat.com>
2097 * crtstuff.c (__register_frame_info_bases): Declare.
2098 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2099 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2101 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2102 (CRT_GET_RFIB_DATA): New.
2103 * config/i386/sysv4.h: Likewise.
2104 * config/i386/sco5.h: Likewise.
2105 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2107 2001-05-22 Richard Henderson <rth@redhat.com>
2109 * rtl.c (read_string): Break out from ...
2110 (read_rtx): ... here.
2112 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2114 * doc/install.texi (Specific): Remove a bogus and duplicate part
2115 copied from the end of the document.
2117 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2119 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2121 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2123 * install.texi: Remove obsolete information on SunOS as well as
2124 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2125 (Installing GNU CC on the Sun): Remove section.
2127 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2129 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2130 keep errno unchanged on success.
2132 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2134 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2135 once for hexadecimal floats, whether or not they contain a decimal
2136 point. Don't let the setting of pedantic otherwise affect the
2137 parsing of hexadecimal floats.
2139 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2141 * README.ACORN: Remove obsolete file.
2143 2001-05-22 Jan Hubicka <jh@suse.cz>
2145 * combine.c (gen_binary): Use swap_commutative_operands_p
2146 (simplify_comparison): Likewise.
2147 * expmed.c (emit_store_flag): Likewise.
2148 * expr.c (compare_from_rtx): Likewise.
2149 (do_compare_rtx_and_jump): Likewise.
2150 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2151 if not emitting a branch and operands want swapping.
2153 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2155 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2156 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2157 (maybe_get_identifier): Update.
2158 * tree.h (make_identifier): Delete.
2160 2001-05-21 Richard Henderson <rth@redhat.com>
2162 * combine.c (subst): Do not substitute for a register as
2163 a destination subreg/strict_low_part/zero_extract.
2165 * combine.c (simplify_comparison): Update op1 after constant
2167 * recog.c (const_int_operand): Accept only constants valid
2169 * genrecog.c: Update comments wrt const_int_operand.
2171 * emit-rtl.c (init_emit_once): Zero unused memory in a
2174 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2176 * tree.h (type_num_arguments): Declare it.
2177 * tree.c (type_num_arguments): New function.
2179 2001-05-21 Richard Henderson <rth@redhat.com>
2181 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2184 2001-05-21 Geoff Keating <geoffk@redhat.com>
2186 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2188 (minsf3): Use rs6000_emit_minmax.
2189 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2191 (movsfcc): Use rs6000_emit_cmove.
2192 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2193 Don't generate emit_fselsfsf4.
2194 (fseldfsf4): Likewise.
2195 (maxdf3): Use rs6000_emit_minmax.
2197 (mindf3): Use rs6000_emit_minmax.
2198 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2200 (movdfcc): Use rs6000_emit_cmove.
2201 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2202 Don't generate emit_fselsfsf4.
2203 (fselsfdf4): Likewise.
2204 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2205 (min_max_operator): New predicate.
2206 (rs6000_emit_cmove): New function.
2207 (rs6000_emit_minmax): New function.
2208 * config/rs6000/rs6000-protos.h: Prototype new functions.
2209 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2210 and min_max_operator.
2212 * config/rs6000/rs6000.c (output_cbranch): Handle all
2213 conditional types in the switch statement.
2215 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2217 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2218 non-register variables.
2219 * extend.texi: Document that asm-specifications do not make sense
2220 for non-static local variables.
2222 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2224 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2225 (dbxout_type_fields): Lose minimal_debug support.
2226 (dbxout_type_methods, dbxout_type): Likewise.
2228 2001-05-17 Andrew Haley <aph@redhat.com>
2230 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2232 2001-05-21 Richard Henderson <rth@redhat.com>
2234 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2237 2001-05-20 Richard Henderson <rth@redhat.com>
2239 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2240 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2241 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2242 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2243 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2245 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2246 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2247 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2248 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2249 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2250 DEBUG_PUBNAMES_SECTION): Rename as above.
2251 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2253 2001-05-20 Richard Henderson <rth@redhat.com>
2255 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2256 operands unless the operation is commutative.
2258 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2260 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2263 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2265 * extend.texi: Clarify documentation of extensions included in ISO
2266 C99. Prefer C99 terminology and syntax to old GNU terminology and
2267 syntax. Add more index entries. Document mixed declarations and
2268 code as an extension in C89 mode. Warn about future changes to
2269 semantics of inline functions. Fixes PR other/930.
2271 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2273 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2274 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2275 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2276 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2278 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2280 2001-05-20 Richard Henderson <rth@redhat.com>
2282 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2283 to be output before a branch.
2285 2001-05-20 Richard Henderson <rth@redhat.com>
2287 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2289 2001-05-20 Richard Henderson <rth@redhat.com>
2291 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2292 (ASM_DOUBLE): Remove.
2293 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2294 * config/i386/sun386.h: Likewise.
2296 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2297 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2299 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2300 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2301 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2302 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2304 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2305 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2306 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2307 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2308 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2309 * config/i386/win32.h: Likewise.
2311 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2313 * invoke.texi: Add more options to summary list.
2315 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2317 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2318 used. Fixes PR c/2291.
2319 * gcc.1: Regenerate.
2321 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2323 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2324 the -fpic and -fPIC options, clear flag_pic.
2326 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2328 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2329 * stringpool.c (make_identifier): No statistics here anymore.
2330 * objc-act.c (steup_string_decl): Remove redundant check.
2332 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2334 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2335 cpplib.o, cpphash.o, fix-header): Update.
2336 (hashtable.o): New target.
2337 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2338 struct c_common_identifier here.
2339 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2340 * c-lex.c (c_lex): Update.
2341 * c-pragma.h: Update.
2342 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2344 (C_RID_CODE): Delete.
2345 * cpphash.c: Rewrite to use hashtable.c.
2346 * cpphash.h: Update include guards.
2347 (struct cpp_reader): Remove hashtab.
2348 hash_ob and buffer_ob are no longer pointers. Add hash_table
2350 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2351 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2352 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2353 * cppinit.c (cpp_create_reader): Update.
2354 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2355 (cpp_interpret_charconst): Eliminate warning.
2356 * cpplib.c (do_pragma, do_endif, push_conditional,
2357 cpp_push_buffer, cpp_pop_buffer): Update.
2358 (_cpp_init_stacks): Rename cpp_init_directives.
2359 (_cpp_cleanup_stacks): Remove.
2360 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2361 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2362 cpp_forall_identifiers, cpp_create_reader): Update.
2363 (C_RID_CODE, cpp_make_node): New.
2364 (c_common_identifier): New identifier node for C front ends.
2365 * cppmain.c (main): Update.
2366 * fix-header.c (read_scan_file): Update.
2367 * flags.h (id_clash_len): Make unsigned.
2368 * ggc.h (ggc_mark_nonnull_tree): New.
2371 * stringpool.c: Update comments and copyright. Update to use
2373 * toplev.c (approx_sqrt): Move to hashtable.c.
2374 (id_clash_len): Make unsigned.
2375 * toplev.h (ident_hash): New.
2376 * tree.c (gcc_obstack_init): Move to hashtable.c.
2377 * tree.h: Include hashtable.h.
2378 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2379 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2380 (struct tree_identifier): Update.
2381 (make_identifier): New.
2383 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2384 (C_RID_CODE): Remove.
2385 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2386 (init_parse): Don't do it here.
2388 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2390 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2392 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2394 (expand_eh_return): Convert between word_mode and Pmode.
2395 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2397 (execute_stack_op): Likewise.
2398 (execute_cfa_program): Likewise.
2399 (uw_frame_state_for): Likewise.
2400 (uw_update_context_1): Likewise.
2401 * unwind.inc (_Unwind_Reason_Code): Likewise.
2402 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2403 (EH_RETURN_STACKADJ_RTX): Likewise.
2404 * config/mips/mips.c (compute_frame_size): Make space for saving
2405 EH return registers.
2406 (mips_expand_epilogue): Handle EH stack adjustments.
2407 * config/mips/mips.md (eh_return): New pattern.
2408 (eh_set_lr_si): Likewise.
2409 (eh_set_lr_di): Likewise.
2410 Add splitter to perform EH return after reload.
2412 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2414 * jump.c (mark_jump_label): Tidy previous change.
2416 2001-05-19 Bruce Korb <bkorb@gnu.org>
2418 * fixinc/genfixes: no need for two warnings
2419 * fixinc/Makefile.in: open stdin for those building with a closed one.
2421 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2423 * jump.c (jump_optimize_1): Tidy.
2424 (mark_jump_label): When changing the label in a LABEL_REF, change
2425 update any REG_EQUAL notes as well.
2427 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2429 * c-parse.in (parm_declarator): Split into
2430 parm_declarator_starttypename and parm_declarator_nostarttypename.
2431 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2432 New. Allow parenthesised sub-declarators which don't begin with a
2433 TYPENAME. Fixes PR c/166.
2435 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2437 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2439 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2441 * toplev.c (main): If the target does not allow profiling without
2442 a frame pointer, issue an error message.
2443 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2446 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2448 * recog.c (general_operand): Modify last change to allow it if reload
2451 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2453 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2454 subregs containing mem.
2456 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2458 * regrename.c (regrename_optimize): frame pointer register can
2461 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2463 * README.DWARF: Move into dwarfout.c.
2465 2001-05-18 Dale Johannesen <dalej@apple.com>
2467 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2468 specific misuse of r0 as a reload address.
2470 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2472 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2475 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2477 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2478 (add_to_sequence): Make that decision type.
2479 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2480 (write_switch, write_cond, debug_decision_2): Likewise.
2482 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2484 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2487 2001-05-18 Stan Shebs <shebs@apple.com>
2489 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2490 * configure: Regenerate.
2492 2001-05-18 Per Bothner <per@bothner.com>
2494 Changes needed for java/jvspec.c
2495 * gcc.h (n_infiles, outfiles): Add declarations.
2496 * gcc.c (n_infiles, outfiles): Mske no longer static.
2498 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2500 * config/pa/som.h (EXCEPTION_SECTION): Define.
2502 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2504 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2506 Add have_location_lists, a variable to determine whether we need a
2507 .debug_loc section or not.
2508 (enum dw_val_class): Add dw_val_class_loc_list.
2509 (dw_val_struct): Add val_loc_list.
2510 (dw_loc_list_struct): New structure, represents location lists.
2511 (new_loc_list): New function, return a new location list, given
2512 the range and location expression.
2513 (add_loc_descr_to_loc_list): New function, add a location
2514 expression to a location list, given the expression and range.
2515 (output_loc_list): New function, output a location list.
2516 (gen_internal_sym): Modified to take symbol prefix, so we can
2517 reuse it for location list symbols.
2518 (add_AT_loc_list): New function, add a location list to a DIE at
2519 the named attribute.
2520 (AT_loc_list): New function, return the location list reference
2521 for a given attribute, if it's a location list.
2522 (print_die): Handle dw_val_class_loc_list.
2523 (size_of_die): Ditto.
2524 (value_format): Ditto.
2525 (output_die): Ditto.
2526 (output_location_lists): New function, output all of the location
2527 lists for a DIE and it's children.
2528 (dwarf2out_finish): Call output_location_lists if we have location
2532 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2534 * gcse.c (try_replace_reg): First try global replace, later try to
2535 simplify the expression.
2537 * gcse.c (find_used_regs): Change calling convention; work via
2539 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2541 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2544 2001-02-09 Nick Clifton <nickc@redhat.com>
2545 * config/arm/arm.md: Change output constraint on post inc
2546 load/store multiple patterns to be a read/write constraint.
2548 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2550 * basic-block.h (struct basic_block_def): Add documentation about
2551 what a basic block is, and what the various fields are used for.
2552 * flow.c (calculate_globlal_regs_live): Add documentation about
2553 how the algorithm works, and how we know that it will terminate.
2554 Check that the the inductive assumption that guarantees
2555 termination actually holds.
2556 (mark_used_regs): Treat conditionally set registers as used.
2557 (debug_regset): Add comment.
2558 * rtl.texi (cond_exec): Add documentation.
2560 * function.c (expand_function_start): Avoid creating BLKmode
2563 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2565 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2566 DIE, even if it has no children.
2567 (dwarf2out_finish): Always output the line-number table, even if
2570 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2572 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2574 2001-05-17 Bruce Korb <bkorb@gnu.org>
2576 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2577 * fixinc/genfixes: emit a warning if AutoGen is out of date
2579 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2580 Bruce Korb <bkorb@gnu.org>
2582 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2583 found in fixinc directory. Facilitates binary distributions.
2585 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2587 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2590 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2592 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2594 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2596 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2597 (simplify_subreg): Handle complex types represented as CONCAT.
2599 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2600 * rtl.h (swap_commutative_operands_p): Declare.
2601 * rtlanal.c (swap_commutative_operands_p): New.
2602 (operand_preference): New static function.
2604 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2605 (gen_binary): Likewise.
2606 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2607 * simplify-rtx.c (simplify_gen_binary,
2608 simplify_gen_relational): Likewise.
2610 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2612 * cse.c (fold_rtx): Use simplify_subreg.
2614 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2615 (simplify_gen_subreg): New.
2616 (simplify_rtx): Use simplify_subreg.
2617 * rtl.h (simplify_gen_subreg): Declare.
2619 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2621 * doc/install.texi: Update Solaris information.
2623 * except.h (protect_cleanup_actions): Remove it.
2624 (lang_protect_cleanup_actions): Declare it.
2625 * except.c (protect_cleanup_actions): Remove it.
2626 (lang_protect_cleanup_actions): New variable.
2627 (init_eh): Don't make protect_cleanup_actions a GC root.
2628 (expand_eh_region_and_cleanup): Call
2629 lang_protect_cleanup_actions.
2630 (output_function_exception_table): Remove unused `align'
2632 * varasm.c (assemble_external): Abort if we have not yet
2633 opened the assembly output file.
2635 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2637 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2638 for eh_personality_libfunc.
2640 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2642 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2643 when calling simplify_subreg. This is needed to allow replacing
2644 of expression of one mode by expression of different mode.
2646 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2648 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2650 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2652 * expr.c (protect_from_queue): Protect against subsequent calls to
2654 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2657 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2659 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2661 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2663 * gccbug.in (CATEGORIES): Add "bootstrap".
2665 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2667 * simplify-rtx.c (simplify_subreg): Break out from ...
2668 * combine.c (combine_splify_rtx) ... here and ...
2669 * recog.c (validate_replace_rtx_1): ... here;
2670 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2671 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2672 (subreg_lowpart_p): ... here.
2674 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2676 * stmt.c (expand_asm_operands): For inout operands, make sure
2677 the substitution of '=' for '+' makes it into the rtl.
2679 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2680 (reload_as_needed): Call update_eliminable_offsets a bit later.
2682 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2684 * gcc.texi (gccbug): Refer to the web pages for detailed information
2687 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2689 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2691 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2692 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2693 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2694 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2695 * cross-make: Don't set LIBGCC1.
2696 * mklibgcc.in: Delete all code for building from libgcc1.c.
2697 Always honor LIB1ASMFUNCS if set.
2699 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2700 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2701 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2702 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2703 config/i386/uwin.asm, config/m68hc11/larith.asm,
2704 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2705 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2706 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2707 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2708 Delete or update references to libgcc1 in commentary.
2710 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2711 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2712 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2713 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2714 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2715 config/arm/t-semi, config/arm/t-strongarm-coff,
2716 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2717 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2718 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2719 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2720 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2721 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2722 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2723 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2724 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2725 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2726 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2727 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2728 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2729 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2730 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2731 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2732 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2733 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2734 config/mips/t-ultrix, config/mn10200/t-mn10200,
2735 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2736 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2737 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2738 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2739 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2740 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2741 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2742 config/sparc/t-sparclite, config/sparc/t-splet,
2743 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2744 config/sparc/t-vxsparc64, config/v850/t-v850:
2745 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2747 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2748 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2749 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2750 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2751 nongcc_SI_type, nongcc_word_type, or perform_*
2752 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2754 * config/i386/386bsd.h, config/i386/beos-elf.h,
2755 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2756 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2757 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2758 Don't include i386/perform.h.
2760 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2761 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2762 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2763 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2764 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2765 config/vax/t-openbsd, config/vax/t-vax: Delete.
2767 * config.gcc: Remove references to deleted files.
2768 (arm-semi-aof): Use arm/t-semi for tmake_file.
2770 * gcc.texi, install.texi, invoke.texi, tm.texi:
2771 Delete or rewrite text which is no longer relevant now that
2772 libgcc1 no longer exists.
2774 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2775 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2777 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2778 Bruce Korb <bkorb@gnu.org>
2780 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2783 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2785 * i386.md: Add two peepholes to clean up code generated by
2788 2001-05-16 Richard Henderson <rth@redhat.com>
2790 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2791 variants of non-absolute encodings.
2793 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2795 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2796 __register_frame_info_table_bases): Export.
2798 2001-05-16 Richard Henderson <rth@redhat.com>
2800 * except.c (eh_data_format_name): Move to ...
2801 * dwarf2asm.c: ... here. Use designated initializers if available.
2802 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2803 * dwarf2asm.h: Update declarations.
2804 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2805 ASM_PREFERRED_EH_DATA_FORMAT.
2806 (output_call_frame_info): Likewise. Use 'L' augmentation for
2809 * unwind-dw2-fde.h (struct fde_vector): New.
2810 (struct old_object): Rename from struct object.
2811 (struct object): New.
2812 (__register_frame_info_bases): Declare.
2813 (__register_frame_info_table_bases): Declare.
2814 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2815 * unwind-dw2-fde.c (objects): Remove.
2816 (unseen_objects, seen_objects): New.
2817 (__register_frame_info_bases): New.
2818 (__register_frame_info): Use it.
2819 (__register_frame_info_table_bases): New.
2820 (__register_frame_info_table): Use it.
2821 (__deregister_frame_info): Rewrite for changed object struct.
2822 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2823 (fde_unencoded_compare): Rename from fde_compare; uninline.
2824 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2825 (start_fde_sort): Adjust for new definition of fde_vector.
2826 (fde_insert): Likewise.
2827 (end_fde_sort): Likewise. Select comparison function based
2828 on properties of the object.
2829 (fde_split): Take object and fde_compare_t arguments.
2830 (frame_heapsort, fde_merge): Likewise.
2831 (classify_object_over_fdes): Rename from count_fdes. Handle
2832 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2834 (add_fdes): Handle encoded pointers.
2835 (init_object): Rename from frame_init. Update for new struct object.
2836 (linear_search_fdes): Rename from search_fdes. Handle encoded
2838 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2839 (binary_search_single_encoding_fdes): New.
2840 (binary_search_mixed_encoding_fdes): New.
2841 (search_object): New.
2842 (_Unwind_Find_FDE): Update for new struct object. Fill in
2844 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2845 iterating over EH data.
2846 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2847 fde_encoding, lsda_encoding.
2848 (read_uleb128, read_sleb128): Remove.
2849 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2850 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2851 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2853 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2855 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2857 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2858 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2859 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2860 cpp_spell_token, cpp_output_token): Similarly.
2861 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2862 do_pragma_poison, parse_assertion, do_assert): Similarly.
2863 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2864 save_parameter, _cpp_create_definition, check_trad_stringification,
2865 cpp_macro_definition): Similarly.
2866 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2867 * c-lex.c (cb_undef, c_lex): Similarly.
2868 * fix-header.c (recognized_function): Similarly.
2869 * cpplib.h (NODE_LEN, NODE_NAME): New.
2870 (cpp_hashnode): Rename length len.
2872 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2874 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2877 2001-05-16 Andreas Jaeger <aj@suse.de>
2879 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2881 * toplev.c: Include dwarf2asm.h for prototype of
2882 dw2_output_indirect_constants.
2884 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2886 * stmt.c (expand_asm_operands): Be able to offload addressof
2887 expression to memory. (PR optimization/185)
2889 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2891 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2892 applying distributive law.
2894 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2896 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2898 * gthr-dce.h (UNUSED): Attribute unused macro.
2899 (__gthread_key_dtor): Make arguments UNUSED.
2900 (__gthread_key_delete): Revise for compatibility with DRAFT4
2903 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2905 * doc/install.texi: Update AIX information.
2906 * README.RS6000: Remove obsolete file.
2908 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2909 Nathan Sidwell <nathan@codesourcery.com>
2911 * gcc.c (give_switch): Don't write before start of string.
2912 Always append suffix.
2914 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2916 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2919 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2921 * README.ALTOS: Remove obsolete file.
2923 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2925 * c-lex.h (save_and_forget_protocol_qualifiers,
2926 forget_protocol_qualifiers, remember_protocol_qualifiers):
2927 Remove deleted functions' prototypes.
2929 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2931 * c-parse.in (methodtype): New production.
2932 (methoddef, methodproto): Collapse separate '-' and '+'
2935 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2937 * c-common.h (RID_FIRST_PQ): New.
2938 * c-parse.in (objc_pq_context): New.
2939 (objc parser): Set objc_pq_context rather than calling
2940 remember_protocol_qualifiers and forget_protocol_qualifiers.
2941 Don't call save_and_forget_protocol_qualifiers.
2942 (yylexname): Handle objc protocol qualifiers here.
2943 * stringpool.c (struct str_header): Replace with sp_hashnode.
2944 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2945 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2946 Allocate an IDENTIFIER_NODE for each identifier.
2947 (FORALL_STRINGS, set_identifier): Delete.
2948 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2949 (ggc_alloc_string): Use an obstack.
2950 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2951 * tree.h: Update comments.
2952 (set_identifier): Delete.
2953 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2954 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2955 remember_protocol_qualifiers): Delete.
2957 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2959 * flow.c (life_analysis): After life analysis is complete, do
2960 an optional scan over insns looking for REG_LABEL notes that
2961 reference a deleted label.
2962 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2963 before peeking at LABEL_NUSES.
2965 2001-05-15 Richard Henderson <rth@redhat.com>
2967 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2968 (_Unwind_GetTextRelBase): New.
2970 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2972 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2974 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2976 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2977 so that CHOOSE_SECTION gets used.
2979 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2980 TARGET_RELOCATABLE like flag_pic for now.
2982 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2984 * rs6000.md (movdi splitter): Sign extend more efficiently.
2985 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2986 to "long long" valid on 32-bit and 64-bit hosts.
2987 (logical_operand): Cast trunc_int_for_mode return value.
2988 (rs6000_emit_move): Shift macro to encapsulate variable.
2989 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2990 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2991 plus_constant requires signed argument.
2993 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2995 * gthr-posix.h: Make additional pthread-* functions weak.
2997 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2999 * recog.c (apply_change_group): Avoid unneeded validating.
3001 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3003 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3004 (num_insns_constant): CONST_INT can be 64-bits.
3006 2001-05-14 Stan Shebs <shebs@apple.com>
3008 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3009 (LIBGCC_SPEC): Don't define.
3011 2001-05-14 Richard Henderson <rth@redhat.com>
3013 * configure.in (gcc_cv_as_eh_frame): New test.
3014 * config.in, configure: Rebuild.
3015 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3017 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3019 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3020 extended precision divide.
3022 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3024 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3025 for RETURNS as well.
3027 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3029 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3030 (CPP_CPU??_SIZE_TYPE): New.
3031 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3032 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3033 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3034 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3036 * i386.c (override_options): Add sorry about not suported modes.
3038 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3040 * config/pa/som.h (NM_FLAGS): Remove.
3041 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3042 (ASM_OUTPUT_SECTION_NAME): Remove.
3043 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3045 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3047 * regrename.c (regrename_optimize): Do not rename registers to
3050 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3052 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3053 contain MEMs. Remove useless distinction about clobbering
3056 2001-05-13 Geoff Keating <geoffk@redhat.com>
3058 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3059 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3060 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3061 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3062 (EXCEPTION_SECTION): Define.
3064 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3066 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3067 binary backward compat only.
3068 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3069 in LIB2FUNCS. Pass it to mklibgcc.
3070 * mklibgcc.in: Handle LIB2FUNCS_ST.
3072 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3074 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3076 * tm.texi (THREAD_MODEL_SPEC): Document it.
3077 * gcc.c (main): Use it.
3078 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3079 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3081 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3083 * rtl.h (SYMBOL_REF_WEAK): New macro.
3084 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3085 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3086 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3087 * gcc.texi: Remove wrong description.
3089 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3091 * Makefile.in (STAMP): New macro.
3092 Replace all uses of `touch' with $(STAMP).
3093 * fixinc/Makefile.in: Likewise.
3095 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3097 * configure.in: ldopen is never in -lexc, so don't test for it.
3098 Add test for exc_resume in -lexc for Ada.
3099 * configure: Regenerated.
3101 2001-05-12 Richard Henderson <rth@redhat.com>
3103 * dwarf2asm.c (size_of_encoded_value): New function.
3104 * dwarf2asm.h: Declare it.
3105 * except.c (output_function_exception_table): Align the TType
3106 array only as wide as the encoding.
3108 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3110 * extend.texi: Document #pragma GCC java_exceptions.
3112 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3114 * c-parse.in (bison parser, init_reswords): Remove uses of
3116 * c-tree.h (doing_objc_thang): Remove.
3118 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3120 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3121 about files not ending in newlines.
3123 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3125 * dwarfout.c (dwarfout_init): Add cast.
3126 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3127 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3129 * method.c (build_mangled_C99_name): Remove unused prototype.
3131 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3133 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3135 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3137 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3138 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3140 2001-05-11 Richard Henderson <rth@redhat.com>
3142 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3143 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3144 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3145 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3146 (dw2_output_indirect_constants): Prototype.
3147 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3148 current_function_func_begin_label if we'll need it for EH. Exit
3149 early for IA64_UNWIND_INFO.
3150 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3151 (eh_data_format_name): Update for indirect references.
3152 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3153 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3154 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3155 define HAVE_eh_return etc.
3156 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3157 (final_end_function): Don't call output_function_exception_table.
3158 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3159 (rest_of_compilation): Invoke output_function_exception_table
3160 for ia64 before assemble_end_function.
3161 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3162 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3164 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3165 * unwind.h: Declare them.
3166 * libgcc-std.ver: Export them.
3167 * unwind-pe.h: New file.
3169 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3171 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3173 (find_fde_for_dso): Extract DT_PLTGOT.
3174 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3175 the segment and gp as well.
3176 * config/ia64/frame-ia64.c: Remove file.
3177 * config/ia64/frame-ia64.h: Remove file.
3178 * config/ia64/unwind-ia64.c: New file.
3179 * config/ia64/unwind-ia64.h: New file.
3180 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3181 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3182 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3183 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3184 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3185 (IA64_UNWIND_INFO): Re-enable.
3186 (HANDLER_SECTION): Remove.
3187 (EH_RETURN_DATA_REGNO): New.
3188 * config/ia64/ia64.md (exception_receiver): Remove.
3189 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3190 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3192 2001-05-11 Richard Henderson <rth@redhat.com>
3194 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3195 calls and jumps to be bundled together.
3196 (ia64_reorg): Emit a break after a noreturn call that ends
3198 * config/ia64/ia64.md (break_f): New.
3200 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3202 * c-lex.c (lex_charconst): Convert into a simple wrapper
3203 around cpp_interpret_charconst, to which most of the code
3205 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3206 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3207 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3208 (lex): Use cpp_interpret_charconst.
3209 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3210 hex_digit_value): New functions.
3211 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3212 * cpplib.h (cpp_interpret_charconst): New prototype.
3213 * Makefile.in: Update.
3215 2001-05-12 Dean Wakerley <dean@wakerley.com>
3217 * doc/install.texi: New file. Converted to texinfo from the HTML
3218 documentation in wwwdocs/htdocs/install.
3220 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3222 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3223 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3225 * toplev.c (compile_file): Move comment for opening output
3226 file to just before the code that opens the output file.
3228 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3230 * regmove.c (regmove_optimize): Suppress the optimization for
3231 unchanging destination register. Add comment above function.
3233 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3235 * Makefile.in: Exterminate all references to assert.h.
3236 * cross-make: Likewise.
3238 * configure.in: Correct commentary.
3239 * configure: Regenerate.
3241 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3244 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3245 config/t-netbsd, config/t-rtems, config/x-linux,
3246 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3247 No need to override INSTALL_ASSERT_H.
3249 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3250 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3251 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3253 2001-05-11 Graham Stott <grahams@redhat.com>
3255 * combine.c (simplify_comparison): Fix typo.
3257 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3259 * loop.h (struct movables): Remove `num'.
3260 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3261 Adjust call to strength_reduce.
3262 (num_unmoved_movables): New function.
3263 (move_movables): Don't set movables->num.
3264 (strength_reduce): Compute the number of instructions in the loop
3265 here, rather than in the caller.
3266 (check_dbra_loop): Always clear reversible_mem_store if there
3267 are any memory sets.
3268 (loop_regs_scan): Don't count instructions here.
3269 (count_insn_in_loop): New function.
3271 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3273 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3275 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3277 * c-common.c (finish_label_expr): New function, lifted from
3278 from cp/semantics.c.
3279 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3280 * c-parse.in: Move 3 blocks of parser code into new functions.
3281 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3282 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3283 (lookup_label): Remove.
3285 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3287 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3288 FLOAT_BIT_ORDER_MISMATCH.
3290 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3292 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3293 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3295 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3297 * expr.c (emit_group_load): extract_bit_field requires a REG or
3300 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3302 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3303 a computed jump into an unconditional jump.
3304 In second hunk of code for collapsing computed and conditional jumps
3305 into unconditional jumps, reemit the jump in additional cases.
3307 * jump.c (jump_optimize_1): Do not wrap the new jump target
3308 inside a LABEL_REF; gen_jump will do that automatically.
3310 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3312 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3313 contents for a SYMBOL_REF in case of floating point constants.
3315 2001-05-10 DJ Delorie <dj@redhat.com>
3317 * c-common.c (combine_strings): Widen strings in a
3318 host-endian-independent way.
3320 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3322 * c-parse.in: Remove many shift/reduce conflicts. Update
3324 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3325 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3326 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3327 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3328 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3329 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3330 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3331 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3332 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3333 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3334 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3335 typespec_reserved_nonattr, typespec_reserved_attr,
3336 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3337 structsp_nonattr, components_notype, component_notype_declarator,
3338 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3339 firstparm, setspecs_fp): New
3340 (typed_declspecs, reserved_declspecs, typed_typespecs,
3341 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3342 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3343 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3344 type_quals): Remove. Users updated.
3345 (initdecls, notype_initdecls, after_type_declarator,
3346 parm_declarator, notype_declarator, absdcl1, components, ivars):
3347 Don't allow attributes at the start of a declarator; include them
3348 in the production containing the declarator instead. Always
3349 require type specifiers before trying to redeclare a typedef name.
3350 (typename): Allow for attributes but warn that they are ignored.
3351 (parmlist, firstparm, setspecs_fp): Include attributes in
3352 parmlist; suck them off the parser stack in firstparm using
3355 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3357 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3358 to determine if a block has an unconditional jump at its end.
3360 * jump.c (jump_optimize_1): When converting a conditional jump
3361 to an unconditional jump, build the jump using gen_jump instead
3362 of just modify operands in-place.
3364 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3366 * cppinit.c (cpp_post_options): Shut off macro expansion if
3368 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3369 IN_I directives only if the # is in column 1 and the directive
3370 name begins in column 2.
3371 * cppmain.c (scan_buffer): Insert a space between # and an
3372 identifier, when that identifier is a directive name.
3374 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3375 in the header search path.
3376 (enum node_type): Add T_INCLUDE_NEXT.
3377 (directive_table): Add entry for include_next.
3378 (do_include_next): New function.
3379 (process_include): New routine, broken out of do_include.
3380 (finclude): Insert 'nhd' argument, to be copied into
3381 next_header_dir of the new buffer.
3382 (main): Adjust to match.
3383 * gsyslimits.h, limity.h: Un-indent #include_next.
3385 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3387 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3388 inclusion as a chapter of the GCC manual.
3389 * gcc.texi: Include objc.texi.
3390 * fdl.texi: Use @unnumberedsec for the addendum.
3391 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3393 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3395 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3397 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3399 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3400 handling of two-address insns.
3402 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3404 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3405 ../binutils/nm-new instead of ../binutils/nm.
3407 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3409 * i386.md (movdi splitter): Fix the splitting condition
3410 (float_extenddftf splitter): Fix mode.
3412 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3414 * genrecog.c (write_switch): Avoid outputting of switch for
3415 types wider than int.
3417 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3419 * reload1.c (copy_eh_notes): New function.
3420 (emit_input_reload_insns): Call it.
3421 (emit_output_reload_insns): Call it.
3423 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3425 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3427 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3428 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3430 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3432 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3434 * pa.md (interspace_jump): Revise comment.
3435 (builtin_longjmp): Block initial setup insns from delay slot of
3437 (builtin_setjmp_receiver): New expander to save and restore PIC
3440 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3442 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3444 * toplev.c (compile_file): Set up the output file before we call
3445 the various initializers for the compiler.
3447 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3448 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3450 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3451 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3453 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3455 * Makefile.in (tradcpp0): Correct typo in dependency list.
3457 2001-05-06 Geoff Keating <geoffk@redhat.com>
3459 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3460 the link register if we're not going to use it.
3462 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3463 (output_function_profiler): Likewise.
3465 2001-05-07 Alan Modra <amodra@one.net.au>
3467 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3469 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3471 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3472 zero-extend it. Make abs_inc unsigned.
3474 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3475 widest mode in narrowing and widening operations.
3477 * config/mips/mips.md: Sign extend CONST_INTs.
3479 2001-05-06 Andreas Jaeger <aj@suse.de>
3481 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3482 (i386 Options): Document -momit-leaf-frame-pointer.
3484 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3486 * c-typeck.c (internal_build_compound_expr): Check for
3487 array to pointer conversion just once.
3489 2001-05-05 Richard Henderson <rth@redhat.com>
3491 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3493 2001-05-05 Richard Henderson <rth@redhat.com>
3495 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3496 to the parent of the fixup region.
3498 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3500 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3502 * cpp.texi (__NO_INLINE): Document it.
3504 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3506 * cppfiles.c (struct include_file): New member err_no.
3507 (find_or_create_entry): Set it.
3508 (open_file): Don't set fds to -2. Instead, use err_no to
3509 remember previous errors, if any.
3511 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3513 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3514 between X and Y by using sequences of xgdx and xgdy.
3516 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3518 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3519 of '!' for the 'D' alternative ('!' is too strong).
3520 ("*logicalsi3_silshl16"): Likewise.
3521 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3522 ("movstrictsi"): Remove spurious '+'.
3523 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3524 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3525 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3528 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3530 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3532 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3534 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3537 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3539 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3542 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3544 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3545 soft register, use ror instead of rol.
3547 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3549 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3550 into account pre/post increment decrement for 68HC12.
3551 Fix other problems in replacement and fix call to reg_mentioned_p.
3553 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3555 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3556 Put the soft registers in bss for 68HC12.
3557 (L_regs_d3_4): New for _.d3 and _.d4.
3558 (L_regs_d5_6): Likewise.
3559 (L_regs_d1_2): Likewise.
3560 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3562 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3564 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3565 to the pre-processor when -fshort-double is specified.
3566 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3568 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3570 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3571 (__mulsi3): Rewrite for 68HC12.
3572 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3573 Mark 'x' constraint with earlyclobber to prevent a
3574 RELOAD_FOR_OTHER_ADDRESS to go in it.
3575 (mulhi3_m68hc12): New pattern.
3576 (mulhi3_m68hc11): Rename of mulhi3.
3577 (mulhi3): New expand for 68HC12 optimisation.
3578 (umulhisi3, mulhisi3): New patterns for 68HC12.
3580 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3582 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3583 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3584 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3586 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3588 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3589 constants cheap after reload.
3590 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3592 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3593 so that gcc prefers a shift by 16.
3594 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3596 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3598 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3600 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3602 * alpha.h: NULL_PTR -> NULL.
3609 * i386.md: Likewise.
3612 * m68hc11.h: Likewise.
3613 * rs6000.h: Likewise.
3616 * sparc.h: Likewise.
3620 * final.c: Likewise.
3622 * recog.c: Likewise.
3624 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3626 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3627 `bool' parameter to `int'.
3629 * hash.c (hash_lookup): Likewise.
3631 * hash.h (hash_lookup): Likewise.
3633 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3635 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3637 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3639 2001-05-03 Geoff Keating <geoffk@redhat.com>
3641 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3642 -malign-loops, -malign-functions.
3643 * i386.c (ix86_align_funcs): Delete.
3644 (ix86_align_loops): Delete.
3645 (ix86_align_jumps): Delete.
3646 (override_options): Mark -malign-* as obsolete. Emulate their
3647 behaviour with the -falign-* options. Default -falign-* from
3648 the processor table.
3649 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3650 patch of Wed May 2 13:09:36 2001.
3651 (LOOP_ALIGN): Delete.
3652 (LOOP_ALIGN_MAX_SKIP): Delete.
3653 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3654 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3656 2001-05-04 Andreas Jaeger <aj@suse.de>
3658 * except.h: Add prototype declaration for
3659 expand_builtin_init_dwarf_reg_sizes.
3661 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3663 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3665 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3667 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3669 ("bitcmpqi2"): New pattern for bit-extract and test.
3670 ("bitcmphi"): New pattern for bitb/bita instructions.
3672 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3674 * gccbug.in: Use a temporary directory when the mktemp command is
3677 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3679 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3681 (INITIALIZE_TRAMPOLINE): Call it.
3682 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3683 (TRAMPOLINE_TEMPLATE): Remove.
3684 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3685 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3688 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3690 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3691 and crtendS.o with PIC.
3693 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3695 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3697 (___subdi3, ___adddi3): Use x instead of y as index register.
3698 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3699 (__memset, __memcpy): Likewise.
3700 (regs): Put the soft registers in bss for 68HC12.
3701 (abort): Use trap to abort for 68hc12.
3702 (__mulhi3, __mulhi32): Use emul for 68hc12.
3703 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3705 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3707 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3708 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3709 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3710 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3711 Set 68HC12 min offset to -65536.
3712 (print_operand): Put parenthesis arround the operand if it refers
3713 to a symbol having the same name as a register.
3714 (m68hc11_z_replacement): When z register is replaced by its
3715 equivalent soft register, force the insn to be re-recognized.
3716 (m68hc11_check_z_replacement): Fix the test when destination is
3717 the index register and z dies in the insn.
3718 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3720 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3722 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3723 costs according to processor variant.
3724 (m68hc11_shift_cost): New function to compute shift costs.
3725 (m68hc11_rtx_costs): Define costs according to processor variant.
3726 (m6811_cost): Costs for 68HC11.
3727 (m6812_cost): Costs for 68HC12.
3728 (COSTS_N_INSNS): Remove.
3730 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3731 (DEFAULT_RTX_COSTS): Remove.
3732 (CONST_COSTS): Define costs according to OUTER_CODE.
3733 (processor_costs): New struct to define costs.
3734 (m68hc11_cost): Pointer to current costs.
3736 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3738 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3739 and use m68hc11_notice_keep_cc when using leax/leay.
3740 (addhi3 split): Reject split if the insn is handled by
3742 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3743 push must be handled in a special way if the source operand uses
3744 sp as index register.
3745 (m68hc11_notice_keep_cc): New function.
3746 (m68hc11_gen_movhi): Use it when an insn changes a register but
3748 (m68hc11_gen_movqi): Fix move for 68HC12.
3749 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3751 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3753 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3754 and don't pass operands[0] to emit_library_call_value.
3756 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3758 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3759 (zero_extendsi split): Simplify and use (zero_extendhi).
3760 (*addhi3): Remove 'w' constraint since stack pointer is handled
3762 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3763 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3764 (*ashrhi3_const): Fix shift by 7.
3765 (*lshrsi3_const16): Fix template.
3766 (call, call_value): Fix constraint and predicate.
3768 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3770 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3771 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3772 (CC_REGNUM): Likewise.
3773 (*unnamed splits): Use above constants instead of hard coded numbers.
3774 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3775 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3776 (*return_16bit, *unnamed peepholes): Likewise.
3778 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3780 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3781 rs6000/rs6000.h twice.
3783 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3785 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3786 (CPP_SPEC): Conditionally define MSDOS and GO32.
3787 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3788 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3790 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3792 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3794 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3796 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3798 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3799 * integrate.c (expand_inline_function): Use xcalloc to allocate
3801 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3804 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3806 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3809 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3811 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3812 linker if -mrelax is given.
3813 (TARGET_SWITCHES): Document -mrelax.
3815 Re-installed 2001-01-09's patch:
3816 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3817 if it's wider than long and the target's long is wider than the
3820 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3822 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3823 directly include rs6000/rs6000.h. Instead do it in tm.h.
3825 2001-05-02 Stan Shebs <shebs@apple.com>
3827 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3828 NSConstantString for NeXT-style runtimes.
3829 (STRING_OBJECT_GLOBAL_NAME): New macro.
3830 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3831 OCTI_STRING_CLASS_DECL.
3832 (constant_string_global_id): New macro.
3833 (string_class_decl): Ditto.
3834 (setup_string_decl): New function.
3835 (build_objc_string_object): Use it to build a NeXT runtime
3836 compatible string initializer.
3838 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3840 * tradcpp.c (do_define): Make sure we don't walk past limit.
3842 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3844 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3845 offsets if not REG_OK_STRICT.
3847 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3848 (INT_REG_OK_FOR_INDEX_P): Likewise.
3849 (INT_REG_OK_FOR_BASE_P): Likewise.
3850 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3851 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3852 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3853 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3854 REG_OK_FOR_BASE_P. Take an additional parameter.
3855 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3856 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3857 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3858 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3859 rs6000_legitimate_address() and use it.
3860 * config/rs6000/rs6000.c: Update all callers.
3861 (rs6000_legitimate_address): New function.
3863 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3865 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3866 special_constant conditional blocks together.
3868 2001-05-02 Dale Johannesen <dalej@apple.com>
3870 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3872 (STRICT_ARGUMENT_NAMING): Define.
3873 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3874 function_arg_partial_nregs, setup_incoming_varargs): Remove
3875 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3878 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3880 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3882 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3885 * expr.c (store_field): Do nothing except elaborate side-effects if
3888 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3890 * c-lex.c: NULL_PTR -> NULL.
3892 * emit-rtl.c: Likewise.
3894 * genpeep.c: Likewise.
3896 * mips-tdump.c: Likewise.
3897 * reload1.c: Likewise.
3898 * rtlanal.c: Likewise.
3900 * stor-layout.c: Likewise.
3901 * toplev.c: Likewise.
3903 2001-05-01 Per Bothner <per@bothner.com>
3905 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3906 call do_pending_stack_adjust before emiting label.
3908 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3910 * extend.texi: Fix typo.
3912 2001-05-01 Stan Shebs <shebs@apple.com>
3914 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3915 of UOBJC_MODULES_decl.
3916 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3917 (generate_descriptor_table): Ditto.
3918 (generate_protocols): Ditto.
3919 (generate_protocol_list): Ditto.
3920 (generate_classref_translation_entry): Ditto.
3922 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3924 * invoke.texi (Optimize Options): Add documentation for `--param
3925 max-delay-slot-insn-search' and `--param
3926 max-delay-slot-live-search' and reorder --param section.
3927 * params.def: Modify initial comment.
3928 * params.h (param_info): Add `help' member.
3929 * toplev.c (lang_independent_params): Include `help' description.
3930 (display_help): Print --param parameters.
3932 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3934 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3935 Remove references to deleted files.
3936 (*-*-openbsd): No need to override xmake_file.
3937 (*-*-sysv4): Treat like *-*-sysv.
3939 * configure.in: Probe for ldopen in various places, and set up
3940 collect2 to be linked with them if found.
3941 Don't dink with Windows registry stuff unless $host_os is a
3942 Win32 os name. Check to see if we need -ladvapi32.
3943 * configure: Regenerate.
3945 * Makefile: Get rid of CLIB and HOST_CLIB.
3946 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3947 * build-make: Get rid of HOST_CLIB.
3949 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3950 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3951 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3952 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3953 config/rs6000/x-rs6000: Delete.
3955 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3958 24 x-host fragments remain, 0 x-cpu, 3 top level.
3960 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3962 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3963 * configure: Regenerate.
3965 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3967 * Makefile.in (install-headers): Remove redundant dependency.
3969 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3971 * c-tree.texi (USING_STMT): Document.
3973 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3975 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3976 * c-common.c: Likewise.
3977 * c-decl.c: Likewise.
3978 * combine.c: Likewise.
3979 * rs6000.c: Likewise.
3980 * except.c: Likewise.
3981 * explow.c: Likewise.
3983 * fold-const.c: Likewise.
3984 * function.c: Likewise.
3987 * integrate.c: Likewise.
3989 * objc/objc-act.c: Likewise.
3990 * recog.c: Likewise.
3991 * reg-stack.c: Likewise.
3992 * reload.c: Likewise.
3993 * reload1.c: Likewise.
3994 * simplify-rtx.c: Likewise.
3996 * varasm.c: Likewise.
3998 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4000 * diagnostic.def: New file.
4001 * diagnostic.h (diagnostic_t): New enum.
4002 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4004 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4006 * tsystem.h: Test only POSIX for availability of string.h
4008 * config.gcc (all systems): If USG appeared in xm_defines,
4009 change it to POSIX. If both USG and POSIX appeared, just
4010 delete USG. Remove unnecessary quotes around xm_defines
4012 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4013 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4014 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4015 powerpc-*-linux*): No need to set xm_defines - handled by
4016 global settings for *-*-linux*.
4018 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4020 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4021 Always include gstab.h, not system stab.h. Don't provide
4022 default definitions of N_CATCH or N_OPT. Always use the
4023 gstab.h variant of STAB_CODE_TYPE.
4024 * final.c: Don't include stab.h/gstab.h at all, or provide
4025 defaults for N_SLINE and N_SOL.
4027 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4028 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4030 * sdbout.c: Always include gsyms.h instead of system syms.h.
4032 * configure.in: No need to check for stab.h.
4033 * configure, config.in: Regenerate.
4034 * Makefile.in (final.o): Don't depend on gstab.h.
4036 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4037 Richard Henderson <rth@redhat.com>
4039 * extend.texi: Improve documentation of volatile asms.
4041 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4043 * c-tree.texi: Fix thinko.
4044 * gcc.texi: Likewise.
4046 2001-04-30 Richard Henderson <rth@redhat.com>
4048 * c-common.c (c_promoting_integer_type_p): New function, from the
4049 corpse of old macro. Properly promote too-small enumerations and
4050 booleans. Adjust all callers.
4051 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4052 (c_promoting_integer_type_p): Declare.
4053 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4054 * c-typeck.c: Likewise.
4055 (default_conversion): Remove now redundant boolean check.
4057 2001-04-30 Jan Hubicka <jh@suse.cz>
4058 Richard Henderson <rth@redhat.com>
4060 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4062 (combine_stack_adjustments_for_block): Don't combine stack
4063 allocation followed by deallocations. Handle grow-up stacks.
4065 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4067 * fdl.texi: New file.
4068 * c-tree.texi: Use the GFDL.
4069 * gcc.texi: Likewise.
4071 2001-04-30 Stan Shebs <shebs@apple.com>
4073 * invoke.texi: Add a section documenting Objective-C options.
4075 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4077 * emit-rtl.c (try_split): Copy EH notes to sequence.
4079 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4081 * regmove.c (record_stack_memrefs): Catch all references to the
4084 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4086 * Makefile.in (stmp-fixinc): quote shell assignment values
4088 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4090 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4094 * prefix.c: Likewise.
4096 2001-04-28 Stan Shebs <shebs@apple.com>
4098 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4099 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4100 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4101 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4103 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4104 (NEXT_OBJC_RUNTIME): Define.
4106 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4108 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4109 * simplify-rtx.c (simplify_gen_relational): Likewise.
4111 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4113 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4114 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4116 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4117 registers in SSE case; fix handling of the immediates.
4118 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4119 operands to be in regsiters before reload.
4120 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4121 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4122 (abstf,absxf,negtf,negxf splitters): Compute
4123 properly the regnum for x86_64.
4124 (avsdf2_if_rex64): New.
4126 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4128 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4129 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4130 into the constant pool.
4131 * jump.c (jump_optimize_1): Remove barrier successors after all
4132 the LABEL_NUSES counds have been computed.
4133 (delete_barrier_successors): When deleting a tablejump insn, also
4134 delete the jump table it uses.
4135 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4138 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4140 * pa.c (FRP): Remove erroneous white space in macro definition.
4142 2001-04-28 Andreas Jaeger <aj@suse.de>
4144 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4146 * extend.texi: Likewise.
4147 * tm.texi: Likewise.
4149 2001-04-28 Andreas Jaeger <aj@suse.de>
4151 * md.texi: Use XX-bit instead of XXbit or XX bit where
4154 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4156 * gcc.c (process_command): Allow -l lib in addition to -llib
4157 for POSIX compliance. This fixes PR c/2347.
4159 * invoke.texi: Update section on Link Options accordingly.
4161 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4163 * function.c (purge_addressof_1): Remove the duplicate
4164 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4167 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4169 * except.c (expand_eh_region_start): Don't start a new block.
4170 (expand_eh_region_end): Don't end a block.
4171 * stmt.c (expand_end_bindings): Don't end EH blocks.
4172 (expand_decl_cleanup): Starting an EH region won't change the block.
4173 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4174 (is_eh_region): Lose.
4177 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4179 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4181 * collect2.c (main): Add `-L' case to remove duplicate entries.
4182 (is_in_args): New function to check for a duplicate argument.
4183 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4184 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4185 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4186 Define to be nonzero.
4188 2001-04-27 Andreas Jaeger <aj@suse.de>
4189 Richard Henderson <rth@redhat.com>
4191 * md.texi (Machine Constraints): Document additional i386
4192 constraints and fix description of "A".
4194 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4196 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4198 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4200 * except.c (get_exception_filter): word_mode, not Pmode.
4202 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4204 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4205 common to other movsf patterns. Move up so that in future
4206 people who change the other patterns will change it too.
4207 (movsf_lo_sum): Allow even for soft-float; add appropriate
4209 (movsf_high): Likewise.
4210 (movsf_high+1): Allow even for soft-float.
4212 * function.c (expand_function_end): Always clobber the
4213 return registers, even if there is no return label.
4215 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4217 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4219 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4221 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4222 (pushqi2_rex64, pushhi2_rex64): Add.
4224 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4226 * except.c (expand_eh_region_end_cleanup): Force pending stack
4227 adjust before emitting label that branches around cleanup code.
4229 2001-04-26 H.J. Lu (hjl@gnu.org)
4231 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4233 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4235 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4236 (ASM_OUTPUT_SECTION_NAME): Likewise.
4237 (ASM_WEAKEN_LABEL): Likewise.
4238 (UNIQUE_SECTION): Likewise.
4239 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4240 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4241 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4242 (ASM_OUTPUT_SECTION_NAME): Likewise.
4243 (ASM_WEAKEN_LABEL): Likewise.
4244 (UNIQUE_SECTION): Likewise.
4245 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4246 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4247 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4248 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4249 (ASM_FILE_START): Likewise.
4250 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4251 (ASM_DECLARE_OBJECT_NAME): Likewise.
4252 (ASM_FILE_END): Likewise.
4253 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4254 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4255 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4256 (ASM_OUTPUT_CASE_LABEL): Likewise.
4257 (ASM_OUTPUT_SKIP): Likewise.
4258 (ASM_OUTPUT_ASCII): Likewise.
4259 (ASM_OUTPUT_IDENT): Likewise.
4260 (READONLY_DATA_SECTION): Likewise.
4261 (EXTRA_SECTIONS): Likewise.
4262 (EXTRA_SECTION_FUNCTIONS): Likewise.
4263 (SELECT_RTX_SECTION): Likewise.
4264 (SELECT_SECTION): Likewise.
4266 * config/mips/linux.h (INVOKE__main): Undefine.
4267 (CTOR_LIST_BEGIN): Likewise.
4268 (CTOR_LIST_END): Likewise.
4269 (DTOR_LIST_BEGIN): Likewise.
4270 (DTOR_LIST_END): Likewise.
4271 (SET_ASM_OP): Defined it to ".dummy".
4272 (ASM_OUTPUT_DEF): Defined.
4273 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4275 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4277 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4278 assembler supports .p2align.
4280 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4282 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4284 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4286 * integrate.c (expand_inline_function): Check for error_mark_node
4289 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4291 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4294 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4296 * configure.in (configargs.h): Define thread_model.
4297 * configure: Rebuilt.
4298 * gcc.c (main): Print it with -v.
4300 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4302 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4303 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4304 * gcc.1: Regenerate.
4306 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4308 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4309 is_redundant_typedef): Use static inline instead of inline static.
4311 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4313 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4314 this directory is always searched.
4316 2001-04-25 Richard Henderson <rth@redhat.com>
4318 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4319 of registers to restore along non eh_return path.
4321 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4323 * c-format.c (check_format_info_recurse): Handle
4324 PLUS_EXPR for format string.
4326 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4328 * config/ia64/ia64.h (CC1_SPEC): Define.
4329 * config/ia64/linux.h (CC1_SPEC): Define.
4331 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4333 * emit-rtl.c (constant_subword): Also do sign extension in
4334 BITS_PER_WORD == 16 case.
4336 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4338 * loop.c (try_swap_copy_prop): Go back to checking insn.
4340 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4342 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4343 if check_mode is non-zero.
4345 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4347 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4348 out and comparison sequence has been detected, put result into
4349 proper temporary pseudo.
4351 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4353 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4354 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4355 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4356 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4357 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4358 for future reference.
4360 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4362 * except.c (reachable_handlers): Step out one level from a RESX.
4364 * except.c (struct eh_region): Rename 'last' to 'resume'.
4365 (mark_eh_region, duplicate_eh_region_1): Adjust.
4366 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4367 (build_post_landing_pads): Likewise.
4368 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4369 (expand_eh_region_end_must_not_throw): Likewise.
4370 (connect_post_landing_pads): Thread (only) regions with non-deleted
4373 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4374 registers around the cleanup.
4375 (get_exception_filter): New fn.
4376 (finish_eh_generation): Use it.
4378 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4380 * c-semantics.c (add_scope_stmt): Don't call
4381 current_scope_stmt_stack multiple times.
4383 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4384 Nathan Sidwell <nathan@codesourcery.com>
4386 Lazy __FUNCTION__ generation.
4387 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4388 RID_C99_FUNCTION_NAME): New _RIDs.
4389 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4390 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4391 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4393 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4394 (c99_function_name_decl_node, function_name_decl_node,
4395 pretty_function_name_decl_node, saved_function_name_decls):
4397 (struct language_function): Remove x_function_name_declared_p.
4398 (make_fname_decl): Remove a parameter.
4399 (declare_function_names): Remove prototype.
4400 (start_fname_decls, finish_fname_decls): Prototype.
4401 (fname_as_string): Likewise.
4402 (fname_string, fname_decl): Likewise.
4403 * c-common.c (make_fname_decl): Adjust.
4404 (struct fname_var_t): New struct.
4405 (fname_vars): New static array.
4406 (declare_function_name): Remove.
4407 (start_fname_decls, finish_fname_decls): New functions.
4408 (fname_as_string): New function from remnants of
4409 declare_function_name.
4410 (fname_string, fname_decl): New functions.
4412 * c-decl.c (c_function_name_declared_p): Remove.
4413 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4414 don't call declare_function_name. Call start_fname_decls.
4415 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4416 clobber the line number. Call finish_decl.
4417 (start_function): Call start_fname_decls.
4418 (finish_function): Call finish_fname_decls.
4419 Remove c_function_name_declared_p.
4420 (push_c_function_context): Don't push c_function_name_declared_p.
4421 (pop_c_function_context): Don't pop c_function_name_declared_p.
4422 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4423 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4424 (program): Call finish_fname_decls for C.
4425 (primary): Add VAR_FUNC_NAME.
4426 (reswords): Add slots for __FUNCTION__ et al.
4427 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4428 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4429 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4430 * c-semantics.c (prune_unused_decls): Remove.
4431 (finish_stmt_tree): Don't call prune_unused_decls.
4432 (genrtl_decl_stmt): Don't prune unused decls here.
4434 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4436 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4437 constant pool, use the pool's SYMBOL_REF instead.
4439 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4442 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4444 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4445 passing nested NOP_EXPRs to fold.
4447 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4449 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4451 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4453 * loop.c (loop_delete_insns): Add prototype.
4455 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4457 * configure.in: Remove ENABLE_STD_NAMESPACE.
4458 * config.in: Regenerated.
4459 * configure: Regenerated.
4461 2001-04-22 Stan Shebs <shebs@apple.com>
4463 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4465 * config/rs6000/xm-darwin.h: Remove file.
4467 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4469 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4470 (write_c_file_stat): Likewise.
4472 * dbxout.c (dbxout_init): Likewise.
4474 * profile.c (output_func_start_profiler): Likewise.
4476 2001-04-22 Philipp Thomas <pthomas@suse.de>
4478 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4479 require it instead of the CVS version.
4480 * cpperror.c (v_message): Put a blank before the macro
4481 body to not confuse exgettext.
4483 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4485 * flow.c (proagate_one_insn): Remove useless assignment.
4486 * jump.c (delete_insn): Tidy.
4487 * loop.c (try_copy_prop): When deleting an instruction with a
4488 REG_RETVAL note, delete the entire libcall sequence.
4489 (loop_delete_insns): New function.
4490 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4491 we're not substituting into them yet.
4493 2001-04-21 Kazu Hirata <kazu@hxi.com>
4495 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4497 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4499 * config/i960/i960.c (signed_arith_operand): Likewise.
4501 * calls.c (expand_call): Fix a comment typo.
4503 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4505 * configure.in: Probe for times, clock, struct tms, and clock_t.
4506 * configure, config.in: Regenerate.
4507 * timevar.c: Replace ifdef forest in get_time with (relatively)
4508 straightforward series of checks based on autoconf's probes.
4510 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4512 * config/pa/som.h (NM_FLAGS): Define.
4514 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4516 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4518 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4519 * ia64.c (nop_cycles_until): New function.
4520 (prev_cycle, prev_first, last_issued): New static variables.
4521 (ia64_sched_reorder): Additional arg for clock.
4522 On final scheduling pass, emit extra NOPs as needed.
4523 Set prev_first and prev_cycle.
4524 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4525 (ia64_variable_issue): Set last_issued.
4527 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4529 * config/i386/i386.c (ix86_expand_int_movcc,
4530 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4532 2001-04-20 Geoff Keating <geoffk@redhat.com>
4534 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4535 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4536 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4537 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4538 ctrdi_internal6): In the short-branch case, this insn is only 4
4539 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4541 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4543 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4544 "=u" is used together with "st" resp. "st(1)" clobber.
4546 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4548 * gcse.c (gcse_main): Fix comment typo.
4549 (delete_null_pointer_check): Likewise.
4550 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4551 * cse.c (cse_insn): Likewise.
4552 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4555 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4557 * toplev.c: Excise all code for the undocumented -dm option.
4558 (float_signal): Call signal just once, unconditionally.
4560 2001-04-19 Geoff Keating <geoffk@redhat.com>
4562 * fold-const.c (fold): Use first_rtl_op rather than
4563 TREE_CODE_LENGTH when looping over parameters of a tree.
4564 Correct strange grouping in test for evaluated SAVE_EXPR.
4566 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4568 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4569 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4571 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4572 name at 32 total characters.
4573 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4574 functions in named sections -- data items can still go into unique
4575 sections, but they have normal names (ie $LIT$ and $DATA$).
4577 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4580 2001-04-19 DJ Delorie <dj@redhat.com>
4582 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4583 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4584 * config/i386/cygwin.h: Likewise.
4585 * config/i386/mingw32.h: Likewise.
4586 * config/vax/vms.h: Likewise.
4587 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4589 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4590 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4591 * config/i386/xm-cygwin.h: Likewise.
4592 * config/i386/xm-djgpp.h: Likewise.
4593 * config/i386/xm-mingw32.h: Likewise.
4594 * config/vax/xm-vms.h: Likewise.
4596 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4597 instead of OBJECT_SUFFIX.
4598 * collect2.c (find_a_file): Look for files matching the extension
4599 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4600 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4601 TARGET_EXECUTABLE_SUFFIX.
4602 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4603 (make_relative_prefix): Likewise.
4604 (convert_filename): Use TARGET_ suffixes throughout. Remove
4606 (process_command): Likewise.
4607 (do_spec_1): Likewise.
4608 * java/lang.c (init_parse): Likewise.
4610 * gcc.texi : Document four new options matching the pattern
4611 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4612 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4613 documentation for NO_AUTO_EXE_SUFFIX.
4615 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4617 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4618 that language-independent processing should not be done.
4619 * toplev.c (main): Adjust accordingly.
4621 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4622 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4624 * mips.md (reload_outputdi): Require that operand0 be a
4627 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4629 * invoke.texi (-Wshadow): Clarify.
4631 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4633 * loop.c (load_mems): Examine all the instructions in the loop
4634 before concluding that all jumps branch to the first instruction
4637 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4639 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4641 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4643 * cpp.texi (-Wwhite-space): Remove.
4644 (-Wall): -Wall does not imply -Wwhite-space.
4646 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4648 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4649 use it instead of blindly generating a .stabs.
4650 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4652 * xcoffout.c: Don't bother defining default for N_CATCH.
4653 (UNKNOWN_STAB): Use internal_error.
4654 (stab_to_sclass): Remove now-unnecessary aborts.
4655 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4657 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4659 * jump.c (mark_all_labels): Canonicalize the tail recursion
4660 label attached to CALL_PLACEHOLDER insns.
4662 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4664 * output.h (dump_flow_info, free_basic_block_vars,
4665 which_alternative): Delete redundant prototypes.
4667 * rtl.h (bss_section): Likewise.
4669 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4671 * dbxout.c (N_OPT): Define if not available from <stab.h>
4673 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4675 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4676 libraries and native K&R compilers.
4678 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4680 * c-typeck.c (convert_arguments): Don't check for width changes
4683 * invoke.texi (-Wtraditional): Update documentation.
4685 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4687 * toplev.c (output_lang_identify): Delete.
4688 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4689 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4690 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4691 after calling ASM_FILE_END.
4693 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4694 Instead, unconditionally emit an N_OPT stab with string equal
4695 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4697 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4699 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4700 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4701 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4702 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4703 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4704 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4705 config/i370/i370.h, config/i386/beos-elf.h,
4706 config/i386/osf1elf.h, config/i386/osfrose.h,
4707 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4708 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4709 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4710 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4711 config/mips/iris6.h, config/mips/osfrose.h,
4712 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4713 config/sparc/sp64-elf.h:
4714 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4715 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4717 * config/elfos.h, config/freebsd.h, config/linux.h,
4718 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4719 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4720 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4721 of ASM_FILE_START which merely emit a .version directive. Delete
4722 definitions of ASM_FILE_END which merely emit an .ident directive.
4724 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4725 ASM_IDENTIFY_GCC and move part of its logic into
4728 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4729 config/sparc/linux-aout.h: Don't emit .version directive in
4732 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4733 (output_file_start): Correct comment.
4735 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4736 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4738 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4739 * config/rs6000/aix.h: Correct comment.
4741 * config/i386/i386afe.h: Delete.
4742 * config.gcc: Remove references to i386afe.h.
4744 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4745 other macros deleted by this patch were undocumented.
4747 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4749 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4751 * pa.c (secondary_reload_class): SAR<->FP copies require a
4754 * install.texi (mips-mips-bsd): Update list of functions
4755 required to include memmove.
4756 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4757 used functions to include memmove.
4759 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4761 * i386.md (sqrtdf2): SFmode should be DFmode.
4763 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4765 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4766 (find_moveable_store): Likewise.
4768 2001-04-15 Jim Wilson <wilson@redhat.com>
4770 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4772 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4774 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4775 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4777 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4779 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4782 2001-04-14 Alan Modra <amodra@one.net.au>
4784 * pa.c (force_mode): New function.
4785 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4787 2001-04-13 Jim Wilson <wilson@redhat.com>
4789 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4790 (first_instruction): New static variable.
4791 (rtx_needs_barrier): Return 1 for alloc.
4792 (init_insn_group_barriers): Set first_instruction.
4793 (rws_sum): Delete duplicate definition.
4794 (group_barrier_needed_p): Return 0 when first_instruction true.
4795 (safe_group_barrier_needed_p): Save and restore first_instruction
4796 around group_barrier_needed_p call.
4798 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4800 * expr.h (enum libfunc_index): Add LTI_memmove.
4801 (memmove_libfunc): Define macro.
4802 * optabs.c (init_optabs): Initialize memmove_libfunc.
4803 * expr.c (expand_assignment): Use memmove_libfunc instead of
4806 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4808 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4811 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4813 * Makefile.in (reg-stack.o): Depend on reload.h.
4814 (insn-attrtab.o): Depend on flags.h.
4816 * genattrtab (main): Include flags.h in insn-attrtab.c.
4818 * reg-stack.c: Include reload.h.
4820 * sparc.h (flag_pic): Delete redundant declaration.
4822 * output.h (flag_pic): Likewise.
4824 * tree.h (pedantic): Likewise.
4826 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4828 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4830 * jump.c, regmove.c, toplev.c: Include reload.h.
4832 * reload.h (reload_cse_regs): Declare.
4834 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4835 reload_cse_regs, init_reload, mark_home_live, reload,
4836 init_caller_save): Delete redundant prototypes.
4838 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4840 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4842 * regclass.c, ssa.c: Include expr.h.
4844 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4845 gen_move_insn): Delete redundant declarations.
4847 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4849 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4850 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4851 MAKEINFO and MAKEINFOFLAGS too.
4852 (stage4_build): Correctly order -B flags.
4854 2001-04-13 Alan Modra <amodra@one.net.au>
4856 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4857 PIC_OFFSET_TABLE_SAVE_RTX.
4858 (zdepi_cint_p): Describe zdepi insn.
4859 Formatting and white space fixes throughout file.
4861 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4862 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4863 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4864 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4865 (output_64bit_and): Use plain `int's for shift counts.
4866 (output_64bit_ior): Likewise.
4867 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4868 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4871 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4872 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4873 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4874 NEW_HP_ASSEMBLER into one. Kill warnings.
4876 * pa-gas.h: Delete file.
4877 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4878 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4879 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4880 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4882 * config/pa/mill32.S: New file.
4883 * config/pa/mill64.S: New file.
4884 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4885 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4886 * config/pa/t-linux64: New file.
4887 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4888 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4889 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4891 * elfos.h (SELECT_SECTION): Undef before defining.
4892 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4893 (LIB_SPEC): Remove -lmilli.
4894 (DBX_REGISTER_NUMBER): Remove.
4895 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4896 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4897 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4898 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4899 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4900 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4901 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4902 TARGET_GAS): Define.
4903 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4904 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4905 regs if we don't have a prototype.
4906 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4907 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4908 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4909 EH_RETURN_HANDLER_RTX): Define.
4910 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4911 (DWARF_FRAME_REGNUM): Define.
4912 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4913 * pa32-linux.h: New file.
4914 * pa64-linux.h: New file.
4916 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4917 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4918 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4919 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4920 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4921 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4922 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4923 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4924 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4925 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4926 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4927 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4928 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4929 * pa64-hpux.h: New file.
4930 (ASM_FILE_START): Correct typo.
4931 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4932 * config.gcc: Modify for above.
4934 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4936 * jump.c (jump_optimize_1): Don't delete dead stores here.
4937 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4938 prior to running jump optimize before cse2.
4940 2001-04-12 Richard Henderson <rth@redhat.com>
4942 * Makefile.in (regmove.o): Depend on except.h.
4943 * regmove.c: Include it.
4945 2001-04-12 Stan Shebs <shebs@apple.com>
4947 * objc/objc-act.c: Remove all code ifdefed with the never-used
4948 macro OBJC_INT_SELECTORS.
4949 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4950 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4952 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4954 * config/pa/quadlib.c: Add prototypes.
4956 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4958 * bitmap.h (debug_bitmap): Delete redundant prototype.
4960 * rtl.h (get_frame_size): Likewise.
4962 2001-04-12 Jim Wilson <wilson@redhat.com>
4964 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4965 to just emit an fnorm.
4967 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4969 * c-common.h (truthvalue_conversion, type_for_mode,
4970 type_for_size): Delete redundant declarations.
4972 * c-lex.h (is_class_name): Likewise.
4974 * c-tree.h (pedantic, convert, getdecls, gettags,
4975 global_bindings_p, init_decl_processing, insert_block,
4976 maybe_build_cleanup, poplevel, print_lang_decl,
4977 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4978 set_block, incomplete_type_error, build_function_call,
4979 lvalue_or_else, mark_addressable): Likewise.
4981 * expr.h (expand_tree_builtin): Likewise.
4983 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4985 * invoke.texi: Document --param max-gcse-memory.
4987 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4989 * configure.in (errno): Check for declaration.
4990 * configure, config.in: Regenerated.
4992 * system.h (errno): Only declare if not already done.
4994 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4996 * recog.c (general_operand, immediate_operand,
4997 nonmemory_operand): Require CONST_INTs to be sign-extended
4998 values for their modes.
5000 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5002 * expmed.c (store_bit_field): Truncate CONST_INTs.
5003 (expand_mult_highpart, expand_divmod): Likewise.
5004 * expr.c (convert_modes, store_field): Likewise.
5005 * integrate.c (expand_inline_function): Use promote_mode() to
5006 determine whether to convert_modes() an argument as signed
5008 * optabs.c (expand_binop): Get CONST_INT operands
5009 sign-extended for their appropriate modes.
5010 * stmt.c (emit_case_nodes): Convert node values to the
5012 (expand_end_case): Convert minval and range to the appropriate
5014 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5015 the iteration variable.
5016 * varasm.c (immed_double_const): Don't require words to be
5017 narrower than host wide ints to properly sign-extend
5020 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5022 * sh.md (builtin_setjmp_receiver): New expander.
5024 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5026 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5027 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5028 for generating CONST_INT and CONST_DOUBLE.
5030 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5032 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5033 already sign-extended.
5034 (rs6000_emit_prologue): Make register iterator signed.
5035 (rs6000_emit_epilogue): Likewise.
5036 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5038 (movsf split, movdf split): Sign-extend CONST_INTs.
5039 (movdi splits): Likewise.
5041 2001-04-12 Kelley Cook <kelley.cook@home.com>
5043 * config-lang.in (lang_dirs): Add in zlib.
5045 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5047 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5048 operands that make it to RTL.
5050 2001-04-11 Stan Shebs <shebs@apple.com>
5052 Add Darwin (Mac OS X kernel) native support.
5053 * config.gcc (powerpc-*-darwin*): Add native bits.
5054 * config/darwin.c: New file, generic Darwin support functions.
5055 * config/darwin.h: New file, generic Darwin definitions.
5056 * config/darwin-protos.h: New file, generic Darwin prototypes.
5057 * rs6000/darwin.h: New file, Darwin for PowerPC.
5058 * rs6000/t-darwin: New file, Darwin makefile fragment.
5059 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5060 (TARGET_MACHO): Ditto.
5061 (rs6000_abi): Add ABI_DARWIN.
5062 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5063 (RS6000_SAVE_AREA): Ditto.
5064 (FP_ARG_MAX_REG): Ditto.
5065 (RETURN_ADDRESS_OFFSET): Ditto.
5066 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5068 (rs6000_emit_move): Add ABI_DARWIN cases.
5069 (print_operand): Ditto.
5070 (first_reg_to_save): Ditto.
5071 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5072 (debug_stack_info): Ditto.
5073 (rs6000_emit_prologue): Ditto.
5074 (rs6000_emit_epilogue): Ditto.
5075 (output_profiler_hook): Ditto.
5076 (output_function_profiler): Ditto.
5077 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5078 (output_mi_thunk): Add TARGET_MACHO case.
5079 (add_compiler_stub): Ditto.
5080 (output_compiler_stub): Ditto.
5081 (no_previous_def): Ditto.
5082 (output_call): Ditto.
5083 (machopic_output_stub): Ditto.
5084 (rs6000_machopic_legitimize_pic_address): Ditto.
5085 (toc_section): Ditto.
5086 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5087 (macho_high): Ditto.
5090 (load_macho_picbase): Ditto.
5091 (call): Add TARGET_MACHO case to modify function.
5092 (call_value): Ditto.
5093 (call_nonlocal_sysv): Add ABI_DARWIN case.
5094 (call_value_nonlocal_sysv): Ditto.
5095 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5097 (machopic_output_stub): Ditto.
5098 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5100 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5102 * dwarf2out.c (modified_type_die): Don't create new types here.
5103 * tree.h (get_qualified_type): New function.
5104 (build_qualified_type): Adjust comment.
5105 * tree.c (get_qualified_type): New function.
5106 (build_qualified_type): Use it.
5108 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5110 * cpp.texi (-Wtraditional): Update description.
5112 * invoke.texi (-Wtraditional): Likewise.
5114 2001-04-11 Jim Wilson <wilson@redhat.com>
5116 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5117 requires more than 64 bits of alignment.
5119 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5121 * cpplib.c (do_line): Sanity check iff enable checking.
5123 2001-04-11 Richard Henderson <rth@redhat.com>
5125 * Makefile.in (insn-recog.o): Depend on toplev.h.
5126 (insn-emit.o, doloop.o): Likewise.
5127 * genrecog.c, genemit.c: Include toplev.h in generated file.
5128 * doloop.c: Include toplev.h.
5130 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5132 * Makefile.in (gcse.o): Depend on params.h.
5133 * gcse.c: Include params.h.
5134 (gcse_main): Don't do GCSE if doing so will take inordinate
5136 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5137 * params.h (MAX_GCSE_MEMORY): New macro.
5139 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5141 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5143 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5145 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5147 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5149 * real.h (ereal_atof, real_value_truncate, target_isnan,
5150 target_isinf, target_negative, assemble_real, debug_real): Delete
5151 redundant prototypes.
5153 * Makefile.in (ifcvt.o): Depend on toplev.h.
5155 * c-semantics.c: Include expr.h.
5157 * ifcvt.c: Include toplev.h.
5159 * expr.h (rtx_equal_p): Delete prototype.
5161 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5162 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5163 eliminate_constant_term, expand_complex_abs, find_single_use,
5164 make_tree, init_expr_once, init_optabs, supports_one_only):
5167 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5168 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5169 expand_assignment, store_expr, emit_line_note_after,
5170 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5172 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5174 * sparc-protos.h: Delete redundant prototypes.
5176 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5178 * reload.c (push_reload): Add condition missed in SUBREG byte
5181 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5183 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5185 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5187 * i386.md (floatsisf_sse): Fix output template
5188 * i386.c (ix86_expand_fp_movcc)
5190 * reg-stack.c (emit_pop_insn): Handle complex modes.
5191 (move_for_stack_reg): Emit proper move mode.
5192 (subst_stack_regs_pat): Handle complex modes.
5194 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5196 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5198 2001-04-10 Richard Henderson <rth@redhat.com>
5200 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5201 (__pure_virtual, __terminate, __terminate_set_func,
5202 __default_terminate, __throw_type_match, __empty,
5203 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5204 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5205 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5206 Remove prototypes of deleted functions.
5208 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5210 * c-typeck.c (convert_arguments): -Wtraditional now activates
5211 -Wconversion warnings, except for changes in signed-ness.
5212 Detect complex<->int & int<->complex conversions as well.
5214 * invoke.texi (-Wtraditional): Document it.
5216 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5218 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5219 * flow.c (set_block_for_new_insns): Remove needless cast and
5220 properly check for unset block number.
5222 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5224 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5225 the subreg was a hard register. Pseudos are left as subregs.
5227 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5229 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5230 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5231 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5232 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5233 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5235 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5237 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5239 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5241 * output.h (set_block_num): Missed it earlier, remove deprecated
5244 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5246 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5247 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5248 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5249 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5250 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5251 (expr_killed_p): Change bb parameter from int to basic_block, pass
5252 basic_blocks instead of ints as parameters.
5253 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5254 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5255 from int to basic_block, pass basic_blocks instead of ints as parms.
5256 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5257 parameter from int to basic_block, pass basic_blocks instead of ints.
5258 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5259 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5260 pass basic_blocks instead of ints.
5261 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5262 basic_blocks instead of ints as parameters.
5263 (pre_delete): Pass basic_blocks instead of ints as parameters.
5264 (hoist_expr_reaches_here_p): Change bb parameter from int to
5265 basic_block, pass basic_blocks instead of ints.
5266 (hoist_code): Pass basic_blocks instead of ints as parameters.
5267 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5268 Change bb parameter from int to basic_block.
5269 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5270 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5271 pass basic_blocks instead of ints.
5272 (insert_store): Pass basic_blocks instead of ints as parameters.
5273 (replace_store_insn, delete_store): Change bb parameter from int to
5274 basic_block, pass basic_blocks instead of ints.
5275 (store_motion): Pass basic_blocks instead of ints as parameters.
5277 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5279 * basic-block.h (set_new_block_for_insns): New Prototype.
5280 (set_block_num): Delete prototype.
5281 * flow.c (set_block_num): Remove obsolete function.
5282 (set_block_for_new_insns): Set BB for single or multiple insns.
5283 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5284 (process_insn_end_bb): Use set_block_for_new_insns or
5285 set_block_for_insn instead of set_block_num.
5286 (pre_insert_copy_insn): Use set_block_for_new_insns.
5287 (update_ld_motion_stores): Use set_block_for_new_insns.
5288 (insert_insn_start_bb): Use set_block_for_new_insns.
5289 (replace_store_insn): Use set_block_for_new_insns.
5291 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5292 Jeff Law <law@redhat.com>
5294 * alias.c (get_addr): Externalize.
5295 (canon_true_dependence): New function. Behaves like true_dependance
5296 except it already assumes a MEM has been canonicalized.
5297 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5298 * gcse.c (struct ls_expr): Add load/store expressions structure.
5299 (modify_mem_list, canon_modify_mem_list): New variable.
5300 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5301 load motion and store motion if requested.
5302 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5303 (free_gcse_mem): Free the modify_mem_list array.
5304 (oprs_unchanged_p): Use load_killed_in_block_p.
5305 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5306 (mems_conflict_for_gcse_p): New function. Don't kill loads
5307 with stores to themselves if its in the load/store expression list.
5308 (load_killed_in_block_p): New function.
5309 (canon_list_insert): New Function.
5310 (record_last_mem_set_info): Keep a list of all instructions which
5311 can modify memory for each basic block.
5312 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5313 (oprs_not_set_p): Use load_killed_in_block_p.
5314 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5315 (expr_killed_p): Use load_killed_in_block_p.
5316 (compute_transp): Do not pessimize memory references.
5317 (pre_edge_insert): Update stores for a load motion expression.
5318 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5319 (ldst_entry): Find or create a ldst_expr structure.
5320 (free_ldst_entry): Free memory for an individual item.
5321 (free_ldst_mems): Free entire load/store expression list.
5322 (print_ldst_list): Print debug info.
5323 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5324 (enumerate_ldsts): Assign integer values to each entry in list.
5325 (first_ls_expr): First expression in the list.
5326 (next_ls_expr): Next expression in the list.
5327 (simple_mem): Check if expression qualifies for ld/st expression list.
5328 (invalidate_any_buried_refs): Remove from expression list if its
5329 used in some other way we dont understand.
5330 (compute_ld_motion_mems): Find all potential enhanced load motion
5332 (trim_ld_motion_mems): Remove any expressions which are invalid.
5333 (update_ld_motion_stores): Copy store values to registers for loads
5334 which have been moved.
5335 (regvec, st_antloc, num_store): New global statics.
5336 (reg_set_info): Marks registers as set.
5337 (store_ops_ok): Verfies registers expressions are valid in a block.
5338 (find_moveable_store): Look for moveable stores in a pattern.
5339 (compute_store_table): Find stores in a function worth moving, maybe.
5340 (load_kills_store): Check dependance of a load and store.
5341 (find_loads): Find any loads in a pattern.
5342 (store_killed_in_insn): Check if a store is killed in an insn.
5343 (store_killed_after): Check is store killed after an insn in a block.
5344 (store_killed_before): Check is store killed before an insn in a block.
5345 (build_store_vectors): Generate the antic and avail vectors.
5346 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5347 (insert_store): Add a store to an edge.
5348 (replace_store_insn): Replace a store with a SET insn.
5349 (delete_store): Delete a store insn.
5350 (free_store_memory): Free memory.
5351 (store_motion): Perform store motion.
5352 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5353 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5354 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5355 (f_options): Add gcse-lm and gcse-sm.
5357 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5359 * i386.c (expand_fp_movcc): Fix condition reversal code.
5361 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5362 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5363 (CLASS_MAX_NREGS): Use it.
5365 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5366 handle properly complex values.
5367 (CLASS_MAX_NREGS): Likewise; update comment.
5369 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5371 * ia64.c (ia64_flag_schedule_insns2): New variable.
5372 (ia64_override_options): Initialize it. Clear
5373 flag_schedule_insns_after_reload.
5374 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5376 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5378 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5379 Do not require source to match destination anymore;
5380 Add abort to the nontrivial cases that should be handled by split.
5381 (fix_trunc?fdi): Add SSE case for x86_64.
5382 (floatdi?f): Likewise.
5383 (floatdi?f_sse): New.
5384 (fix_trunc?fdi_sse): New.
5386 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5388 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5389 (DEBUG_ARANGES_END_LABEL): Ditto.
5390 (dwarfout_init): Generate length and version fields at the start
5391 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5392 after the length field.
5393 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5394 the .debug_aranges info.
5396 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5398 * i386.c (call, call_value): Make sure that resulting call_insn
5399 does have proper second operand.
5401 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5403 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5404 function. Remove include of sys/cygwin.h.
5406 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5408 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5409 (CPP_SPEC): Always search */include/w32api for header files.
5410 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5411 (LINK_SPEC): Add "cyg" to the library search prefixes.
5413 2001-04-08 Philip Blundell <philb@gnu.org>
5415 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5417 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5419 * cpperror.c (print_location): Don't special case <stdin>.
5420 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5421 WARNING, but we don't check if we're in system headers.
5422 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5423 * cpplib.c (do_warning): Warn in system headers.
5425 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5427 * mbchar.c: Include config.h first.
5429 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5431 * config.gcc: Set default for xmake_file at top, not bottom.
5432 Change places that set xmake_file to "none" to set to the
5433 empty string instead, or remove them entirely if there is no
5434 default xmake_file for this cpu_type. Remove references to
5437 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5438 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5439 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5440 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5441 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5442 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5443 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5444 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5445 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5446 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5449 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5450 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5451 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5452 config/mips/x-sysv, config/rs6000/x-aix31:
5453 Just set CLIB to -lld or -lmld, as appropriate.
5455 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5456 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5457 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5458 config/mips/x-iris, config/pa/x-pa:
5459 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5460 OTHER_FIXINCLUDES_DIRS.
5462 * config/i386/x-djgpp: Don't set LN or LN_S.
5463 * config/m88k/x-dolph: Don't define __m88k__.
5464 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5465 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5466 * config/i860/fx2800.h: No need to #undef SVR4.
5468 38 x-host fragments remain, 2 x-cpu.
5470 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5472 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5474 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5476 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5478 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5480 * configure.in: Add check for lstat.
5481 * configure, config.in: Regenerate.
5482 * cppinit.c (append_include_chain): Make empty path ".".
5483 * cpplib.c (do_line): Don't simplify #line paths.
5484 * cppfiles.c (remove_component_p): New function.
5485 (find_or_create_entry): Acknowledge stat () errors during
5486 path simplification.
5487 (handle_missing_header): Don't simplify paths.
5488 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5489 the empty path untouched. Don't leave a trailing '/'.
5491 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5493 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5494 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5496 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5498 * cppfiles.c (open_file): Fail directories silently, but
5499 with an errno of NOENT set.
5500 (read_include_file): Move the common exit code to the sole
5501 caller. Return an int indicating success or failure. Let
5502 open_file handle directories.
5503 (stack_include_file): If read_include_file fails,
5504 push a "null" buffer.
5506 2001-04-05 DJ Delorie <dj@redhat.com>
5508 * function.h (virtuals_instantiated): Declare.
5509 * function.c: (virtuals_instantiated): Make global.
5510 * calls.c (emit_library_call_value_1): Use
5511 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5512 Otherwise, use the stack pointer directly.
5514 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5516 * i386.c (x86_initialize_trampoline): New global function.
5517 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5518 (INITIALIZE_TRAMPOLINE): Move offline.
5519 * i386-protos.h (x86_initialize_trampoline): Declare.
5521 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5523 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5524 (lea_0): Rename to lea_1.
5525 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5526 (lea_general_?): Allow SImodes on TARGET_64BIT
5527 (lea_general_?_zext): New patterns.
5528 (call_1, call_1_rex64): Fix.
5530 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5532 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5534 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5536 * i386.c (function_arg): Return constm1_rtx for last argument.
5537 (ix86_expand_prologue): Update gen_call calls.
5538 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5539 * i386.md (call_pop): Likewise.
5540 (call): Second operand is VOIDmode.
5541 (call_0): Likewise; Support 64bits.
5542 (call_exp): New expander.
5543 (call_1): Get to the sync.
5544 (call_1_exp): New pattern.
5545 (call_value): Support 64bit.
5546 (call_value_exp): New pattern.
5547 (untyped_call): Update gen_call call.
5548 (call_value_pop): Disable for 64bit.
5549 (call_value_0_rex64): New pattern.
5550 (call_value_1_rex64): Likewise.
5552 2001-04-05 Bo Thorsen <bo@suse.de>
5554 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5556 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5558 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5559 satisfies ANY_QI_REG_P.
5561 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5563 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5566 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5569 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5571 * config.gcc: Remove default for xm_file. Clean up local
5572 machine type handling. Remove settings of xm_file to
5573 something that doesn't exist. In the big switch, set xm_file,
5574 don't append to it (the value before the big switch is always
5575 null). Don't force build_xm_file or host_xm_file to have a value.
5576 * configure.in: Remove default for xm_file. Do not special
5577 case $cpu/xm-$cpu.h not existing.
5578 * configure: Regenerate.
5580 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5582 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5583 when folding integer division and modulo operations.
5585 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5587 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5588 instead of DWARF2_ADDR_SIZE for EH addresses.
5589 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5592 2001-04-04 Richard Henderson <rth@redhat.com>
5594 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5595 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5596 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5598 2001-04-04 Richard Henderson <rth@redhat.com>
5600 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5601 * configure: Rebuilt.
5603 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5605 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5606 push insns to delete to it instead of deleting them.
5607 (delete_null_pointer_checks): Delete insns from delete_list after
5608 all delete_null_pointer_checks_1 passes are done.
5610 2001-04-04 Richard Henderson <rth@redhat.com>
5612 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5613 * configure: Rebuilt.
5615 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5617 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5618 * config/romp/xm-romp.h: Delete.
5620 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5622 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5625 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5627 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5628 all labels present in rtx.
5629 (try_split) Call new function for all split insns.
5631 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5633 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5634 sure the change won't be validated.
5636 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5638 * rtl.h (set_noop_p): Declare.
5639 * flow.c (set_noop_p): Move from here ...
5640 * rtlanal.c (set_noop_p): ... to here and enhance.
5641 * cse.c (delete_trivially_dead_insns): Use it.
5642 * gcse.c (hash_scan_set): Likewise.
5643 * jump.c (delete_noop_moves): Likewise.
5644 * recog.c (split_all_insns): Likewise.
5646 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5648 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5649 stack pointer via a LO_SUM. Ditto for setting a temp register
5650 used to save to the stack. Set cfa_temp when setting fp, and
5651 allow matches to cfa_temp in addition to cfa_store when saving
5652 regs. Handle POST_INC and LO_SUM register stores. Document the
5653 changes and errors in rule 12 doco.
5655 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5656 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5657 (load_reg): Move closer to epilogue code.
5658 (DO_FRAME_NOTES): Define to control the following..
5659 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5660 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5662 (hppa_expand_epilogue): Likewise.
5664 2001-04-03 Richard Henderson <rth@redhat.com>
5666 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5667 * configure: Rebuild.
5669 2001-04-03 Richard Henderson <rth@redhat.com>
5671 * rtl.h (LCT_THROW): New.
5672 * calls.c (emit_library_call_value_1): Handle it.
5673 * except.c (connect_post_landing_pads): Use it.
5675 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5677 * gansidecl.h: Delete file.
5678 * configure.in: Change all refs to gansidecl.h to use
5679 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5681 * configure: Regenerate.
5683 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5684 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5685 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5686 Don't include gansidecl.h.
5687 * intl.c, main.c, version.c, fixinc/fixlib.h,
5688 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5691 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5693 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5696 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5698 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5699 config/i386/xm-next.h, config/i386/xm-sco.h,
5700 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5701 config/m88k/xm-m88k.h: Delete.
5703 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5704 * config/romp/xm-romp.h: Don't define bcopy.
5705 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5706 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5708 * config.gcc: Remove references to deleted files.
5710 14 xm-host.h remain, 1 xm-cpu.h.
5712 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5713 David S. Miller <davem@pierdol.cobaltmicro.com>
5714 Andrew MacLeod <amacleod@redhat.com>
5716 Use byte offsets in SUBREGs instead of words.
5718 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5719 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5720 to pass new argument.
5721 (add_stored_regs): Use subreg_regno_offset function.
5722 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5724 (precompute_arguments): Use gen_lowpart_SUBREG.
5725 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5726 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5727 (simplify_set): Rework to use SUBREG_BYTE.
5728 (expand_field_assignment): Use SUBREG_BYTE.
5729 (make_extraction): Use SUBREG_BYTE.
5730 (if_then_else_cond): Use SUBREG_BYTE.
5731 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5732 (gen_lowpart_for_combine): Compute full byte offset.
5733 * cse.c (mention_regs): Use SUBREG_BYTE.
5734 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5735 (canon_hash): Use SUBREG_BYTE.
5736 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5737 (gen_lowpart_if_possible): Formatting.
5738 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5740 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5741 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5742 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5743 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5744 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5745 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5746 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5747 certain invariants about SUBREGs the compiler creates.
5748 (gen_lowpart_SUBREG): New function.
5749 (subreg_hard_regno): New function to get the final register number.
5750 (gen_lowpart_common): Use SUBREG_BYTE.
5751 (gen_imagpart): Spacing nits.
5752 (subreg_realpart_p): Use SUBREG_BYTE.
5753 (gen_highpart): Use SUBREG_BYTE.
5754 (subreg_lowpart_p): Always compute endian corrected goal offset,
5755 even at the byte level, then compare against that.
5756 (constant_subword): New function, pulled out all constant cases
5757 from operand_subword and changed second argument name to offset.
5758 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5759 and call constant_subword to do the work. Return const0_rtx if
5760 looking for a word outside of OP.
5761 (operand_subword_force): Change second arg name to offset.
5762 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5763 (store_split_bit_field): Use SUBREG_BYTE.
5764 (extract_bit_field): Use SUBREG_BYTE.
5765 (extract_split_bit_field): Use SUBREG_BYTE.
5766 (expand_shift): Use SUBREG_BYTE.
5767 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5768 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5769 * flow.c (set_noop_p): Use SUBREG_BYTE.
5770 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5771 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5772 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5774 (optimize_bit_field): Use SUBREG_BYTE.
5775 (purge_addressof_1): Use SUBREG_BYTE.
5776 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5777 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5778 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5779 * gengenrtl.c (special_rtx): Add SUBREG.
5780 * global.c (mark_reg_store): Use SUBREG_BYTE.
5781 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5782 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5783 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5784 final byte offset is congruent to subreg's mode size.
5785 (subst_constants): Use SUBREG_BYTE.
5786 (mark_stores): Use subreg_regno_offset function.
5787 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5788 function and SUBREG_BYTE.
5789 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5790 (reg_is_born): Use subreg_hard_regno.
5791 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5792 endian correction code. Don't combine subregs unless resulting
5793 offset aligns with type. Fix subreg constant extraction for DImode.
5794 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5795 (general_operand): Remove dead mode_altering_drug code.
5796 (indirect_operand): Use SUBREG_BYTE.
5797 (constrain_operands): Use subreg_regno_offset function.
5798 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5799 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5800 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5801 * regs.h (REG_SIZE): Allow target to override.
5802 (REGMODE_NATURAL_SIZE): New macro which target can override.
5803 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5804 on the entire subreg rtx.
5805 (push_reload): Use SUBREG_BYTE in comments and code.
5806 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5807 for hard registers inside subregs.
5808 (operands_match_p): Use subreg_regno_offset.
5809 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5810 containing hard regs.
5811 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5812 corrections when fixing up MEM subregs.
5813 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5814 subreg_regno_offset where appropriate.
5815 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5816 byte endian corrections when fixing up MEM subregs.
5817 (subst_reloads): When combining two subregs, make sure final
5818 offset is congruent to subreg's mode size.
5819 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5820 (refers_to_regno_for_reload_p): Use subreg_regno.
5821 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5822 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5823 correction code for memory subreg fixups.
5824 (forget_old_reload_1): Use subreg_regno_offset.
5825 (choose_reload_regs): Use subreg_regno.
5826 (emit_input_reload_insns): Use SUBREG_BYTE.
5827 (reload_combine_note_store): Use subreg_regno_offset.
5828 (move2add_note_store): Use subreg_regno_offset.
5829 * resource.c (update_live_status, mark_referenced_resources): Use
5830 subreg_regno function.
5831 (mark_set_resources): Use subreg_regno function.
5832 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5833 (subreg_regno_offset, subreg_regno): Define prototypes.
5834 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5835 (gen_lowpart_SUBREG): Add prototype.
5836 * rtl.texi (subreg): Update to reflect new byte offset representation.
5837 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5838 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5839 (reg_overlap_mentioned_p): Use subreg_regno.
5840 (replace_regs); Make sure final offset of combined subreg is
5841 congruent to size of subreg's mode.
5842 (subreg_regno_offset): New function.
5843 (subreg_regno): New function.
5844 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5845 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5846 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5847 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5848 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5849 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5850 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5851 (print_operand): Use SUBREG_BYTE.
5852 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5853 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5854 (arm_reload_out_hi): Use SUBREG_BYTE.
5855 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5856 instead of SUBREG_WORD.
5857 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5858 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5859 SUBREG creation to use byte offset.
5860 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5861 inverted load insns): Fix explicit rtl subregs to use byte
5863 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5864 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5865 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5866 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5867 to use byte offsets.
5868 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5869 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5870 offsets, also make sure it is congruent to SUBREG's mode size.
5871 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5872 unnamed ldob insn): Generate SUBREGs with byte offset.
5873 (zero_extendqihi2): SUBREG's are byte offsets.
5874 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5875 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5876 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5877 zero-extendqisi2): Generate SUBREGs with byte offset.
5878 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5879 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5880 subregs in rtl to use byte offsets.
5881 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5882 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5883 (mips_move_2words): Use subreg_regno_offset.
5884 (mips_secondary_reload_class): Use subreg_regno_offset.
5885 * config/mips/mips.md (DImode plus, minus, move, and logical op
5886 splits): Fixup explicit subregs in rtl to use byte offsets.
5887 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5888 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5889 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5890 rtl to use byte offsets.
5891 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5892 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5893 subregs to use byte offsets.
5894 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5895 Fixup explicit subregs in rtl to use byte offsets.
5896 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5897 and remove byte endian correction code.
5898 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5899 (gen_ashift_hi): Use SUBREG_BYTE.
5900 (regs_used): Use subreg_regno_offset.
5901 (machine_dependent_reorg): Use subreg_regno_offset.
5902 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5903 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5904 (movdf_i4): Subregs are byte offsets now.
5905 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5906 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5907 (REGMODE_NATURAL_SIZE): Override.
5908 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5909 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5911 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5912 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5913 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5914 it is congruent to SUBREG's mode size.
5915 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5917 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5918 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5919 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5920 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5921 * config/v850/v850.c (print_operand, output_move_double): Use
5922 subreg_regno function.
5924 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5926 * configure.in (target_subdir): Use target_alias, not target.
5927 * configure: Rebuilt.
5929 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5931 * config/sh/crti.asm: Fix typos in comments.
5933 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5935 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5936 TARGET_FAST_INDIRECT_CALLS.
5937 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5939 (return_addr_rtx): Short circuit export stub matching when
5940 TARGET_NO_SPACE_REGS.
5941 (output_millicode_call): For out of range calls, make -fPIC
5942 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5943 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5944 * pa.md: Modify length attr calculation of all millicode insns to
5947 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5949 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5950 Require at least 2.11 in the version test. Specifically check
5951 for and reject GAS version 2.10.90.
5952 * configure: regenerate.
5954 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5956 * pa.c (override_options): Remove PIC profiling warning.
5957 (hp_profile_labelno): Delete.
5958 (hp_profile_label_rtx): Delete.
5959 (hp_profile_label_name): Delete.
5960 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5961 (output_function_prologue): Remove profiling code and all tests on
5962 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5963 merge_sp_adjust_with_store can work for PIC and profiling.
5964 (hppa_expand_epilogue): Remove profile_flag test.
5965 (hppa_can_use_return_insn_p): Likewise.
5966 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5967 cater for PROFILE_HOOK.
5968 (hppa_profile_hook): New function.
5969 * pa.h (FUNCTION_PROFILER): Now does nothing.
5970 (PROFILE_HOOK): Define.
5971 (hppa_profile_hook): Declare.
5972 (PROFILE_BEFORE_PROLOGUE): Delete.
5973 (ASM_OUTPUT_REG_PUSH): Delete.
5974 (ASM_OUTPUT_REG_POP): Delete.
5975 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5976 r24. Accept function name operand, and use this and a locally
5977 generated label to calculate pc-rel offset to func start.
5979 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5981 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5982 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5985 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5987 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5988 LO_SUM cases to where they belong.
5990 2001-04-02 Richard Henderson <rth@redhat.com>
5992 * except.h (lang_eh_type_covers): Mark extern.
5993 (lang_eh_runtime_type): Likewise.
5995 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5997 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5998 gengenrtl.c: Wrap generated header in multiple-include guard.
5999 Improve error checking.
6001 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6003 * configure.in: Don't check for putenv.
6004 * configure: Regenerate.
6005 * gcc.c (putenv): Don't define.
6006 * vax/xm-vms.h: Handle putenv.
6008 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6010 * ifcvt.c (noce_emit_move_insn): New.
6011 (noce_try_store_flag, noce_try_store_flag_constants,
6012 noce_try_store_flag_inc, noce_try_store_flag_mask,
6013 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6014 noce_try_abs): Use it.
6015 (noce_process_if_block): Likewise.
6016 For STRICT_LOW_PART, take mode from its SUBREG.
6018 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6020 * fold-const.c (fold): Before optimizing unsigned comparison with
6021 0x7fffffffU, make sure arg0 is integral type.
6023 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6025 * c-tree.texi: Document representation of wide strings.
6027 2001-04-01 Richard Henderson <rth@redhat.com>
6029 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6031 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6033 * i386.md: remove obsoleted comments.
6034 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6035 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6036 fix output template.
6038 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6040 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6042 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6044 * loop.c (load_mems): When generating a load from a pseudo, update
6047 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6049 * i386.c (ix86_split_long_move): Use change address to compensate
6050 stack pointer change in push instruction.
6052 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6054 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6055 instead of rtx_equal_p; fix the output template.
6057 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6059 * i386.c (ix86_expand_setcc): Support 64bit.
6060 (ix86_expand_int_movcc): Likewise.
6061 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6064 * i386.md (allocate_stack_worker): Turn to expander.
6065 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6067 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6069 2001-03-29 Richard Henderson <rth@redhat.com>
6071 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6073 2001-03-28 Matthew Hiller <hiller@redhat.com>
6075 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6078 * MAINTAINERS: Added self.
6080 2001-03-28 Richard Henderson <rth@redhat.com>
6082 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6083 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6085 2001-03-28 Jim Wilson <wilson@redhat.com>
6087 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6090 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6092 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6094 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6097 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6099 2001-03-28 DJ Delorie <dj@redhat.com>
6101 * Makefile.in (stage1_build): Revert CFLAGS patch.
6103 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6105 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6106 when multiplier or multiplicand is zero.
6108 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6110 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6112 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6114 (set_src_needs_barrier): Likewise.
6115 (rtx_needs_barrier): For SET case, use these two functions. Rework
6116 PARALLEL case to handle all inputs before all outputs.
6117 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6118 saw a label and no stop bit since then.
6119 (maybe_rotate, process_epilogue): Add prototypes.
6121 2001-03-28 Richard Henderson <rth@redhat.com>
6123 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6124 not TARGET_TOC for special toc restore handling.
6125 * config/rs6000/rs6000.md (eh_return): Likewise.
6127 2001-03-28 Richard Henderson <rth@redhat.com>
6129 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6130 current_function_calls_eh_return.
6131 (output_function_epilogue): Handle eh_return.
6132 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6133 (EH_RETURN_DATA_REGNO): New.
6134 (EH_RETURN_STACKADJ_RTX): New.
6135 (EH_RETURN_HANDLER_RTX): New.
6136 * config/sparc/sparc.md (call/short branch peepholes): Check
6137 can_throw_internal instead of in_same_eh_region.
6139 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6140 for eh_return data registers.
6141 (rs6000_emit_prologue): Save eh_return data registers.
6142 (rs6000_emit_epilogue): Force inline restores if eh_return.
6143 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6144 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6145 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6146 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6147 the target uses one.
6148 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6149 (return_eh_si, return_eh_di): Remove.
6150 (eh_return): New, from corpse of eh_epilogue.
6151 (eh_set_lr_si, eh_set_lr_di): New.
6153 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6154 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6155 True for pic register if current_function_calls_eh_return.
6156 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6157 Handle eh_return requirements.
6158 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6159 (EH_RETURN_STACKADJ_RTX): New.
6160 * config/i386/i386.md (exception_receiver): Remove.
6161 (eh_return, eh_return_1): New.
6162 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6164 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6165 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6166 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6167 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6168 (EH_RETURN_DATA_REGNO): New.
6169 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6170 * config/alpha/alpha.md (eh_epilogue): Remove.
6171 (exception_receiver): Use $26 for ldgp input.
6172 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6174 2001-03-28 Richard Henderson <rth@redhat.com>
6176 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6177 * except.h: Likewise.
6179 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6180 (LIB2ADDEHDEP): New.
6181 (LIB2FUNCS_EH): Remove.
6182 (LIB2ADD): Remove LIB2ADDEH.
6183 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6184 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6185 (crt{begin,end}[S].o): Likewise.
6186 (except.o): Update includes.
6187 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6188 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6190 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6191 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6192 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6193 * builtins.c (expand_builtin): Implement it.
6194 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6195 * c-common.c (c_common_nodes_and_builtins): Declare it.
6196 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6197 * calls.c (libfunc_nothrow): Remove.
6198 (emit_library_call_value_1): Don't call it.
6199 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6200 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6201 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6202 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6203 (current_funcdef_number): Globalize.
6204 (output_call_frame_info): Emit frame data if an lsda is needed.
6205 Generate augmentation for personality routine. Don't play with
6207 (dwarf2out_begin_prologue): Record funcdef_number.
6208 * dwarf2out.h (current_funcdef_number): Declare.
6209 * expr.c (expand_expr): Update for except.h name changes.
6210 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6211 * expr.h (LTI_throw, LTI_rethrow): Remove.
6212 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6213 (LTI_eh_rtime_match): Remove.
6214 (LTI_unwind_resume, LTI_eh_personality): Add.
6215 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6216 * final.c (final): Don't call check_exception_handler_labels,
6217 init_insn_eh_region, or free_insn_eh_region.
6218 (final_scan_insn): Always emit debug labels for
6219 NOTE_INSN_EH_REGION notes.
6220 * flags.h (flag_new_exceptions): Remove.
6221 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6222 (record_active_eh_regions): Remove.
6223 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6224 Use can_throw_internal.
6225 (find_basic_blocks_1): Likewise.
6226 (move_stray_eh_region_notes): Remove.
6227 (find_label_refs): No eh_return_stub_label.
6228 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6229 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6231 (delete_unreachable_blocks): Don't track deleted handlers.
6232 (flow_delete_block): Use maybe_remove_eh_handler.
6233 (delete_eh_regions): Remove.
6234 (merge_blocks): Don't check for eh region match.
6235 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6236 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6237 (init_propagate_block_info): Disable dead frame store optimization
6238 when current_function_calls_eh_return.
6239 (dump_bb): Don't print eh_beg, eh_end.
6240 * function.c (fixup_var_refs): No catch_clauses.
6241 (expand_function_end): Likewise. Call expand_eh_return before
6242 the return register use. Call sjlj_emit_function_exit_after.
6243 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6244 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6245 * ifcvt.c (dead_or_predicable): Remove eh region check.
6246 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6247 Don't check for EH vs parameters.
6248 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6249 (expand_inline_function): Call duplicate_eh_regions.
6250 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6251 (copy_insn_notes): Remap REG_EH_REGION notes.
6252 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6253 * integrate.h (struct inline_remap): Add local_return_label.
6254 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6255 check_exception_handler_labels, nor exception_optimize.
6256 (find_cross_jump): No EH region check.
6257 * optabs.c (init_optabs): Update for changed eh libfuncs.
6258 * rtl.def (RESX): New.
6259 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6260 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6261 checks. Update for except.h name changes.
6262 (expand_cleanups): Likewise.
6263 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6264 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6265 (compile_file): Call init_eh before init_optabs. Don't
6266 output_exception_table here.
6267 (rest_of_compilation): Call convert_from_eh_region_ranges,
6268 convert_to_eh_region_ranges, output_function_exception_table.
6269 Don't emit_eh_context.
6270 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6271 (EXC_PTR_EXPR): New.
6273 * md.texi (eh_epilogue): Remove.
6274 (eh_return): Document.
6275 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6276 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6278 * eh-common.h: Remove file.
6279 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6280 * libgcc2.c (L_eh): Remove.
6282 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6283 * unwind-dw2-fde.h: New file.
6284 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6285 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6286 * libgcc-std.ver: Update for eh symbols.
6288 2001-03-27 Richard Henderson <rth@redhat.com>
6290 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6291 reduce false positives.
6292 (regmove_optimize): Disable if flag_non_call_exceptions.
6294 * stmt.c (expand_return): Remove always true predicate.
6295 (expand_decl_cleanup_no_eh): Remove dead code.
6297 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6298 barrier code. Add a scheduling barrier if a non-call insn
6299 can throw internally.
6301 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6302 Auto-inc addresses trap only if their base register does.
6304 * except.c (can_throw_internal): Rename from can_throw.
6305 * except.h, resource.c: Update references.
6307 * integrate.c (copy_insn_list): Use returnjump_p.
6308 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6310 * function.h (struct function): Move all boolean valued fields
6311 to single bit fields at the end of the struct.
6313 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6315 Rename asynchronous_exceptions to flag_non_call_exceptions.
6317 * gthr-single.h (UNUSED): New. Distinguish between how C
6318 and C++ mark unused function arguments. Use throughout.
6320 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6321 value to target configuration header.
6322 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6323 * config.in, configure: Rebuild.
6324 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6325 configuration and target defines.
6326 (exceptions_via_longjmp): Remove.
6327 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6328 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6330 * except.h (flag_non_call_exceptions): Move ...
6331 * flags.h: ... here.
6333 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6334 exceptions, put the note on the trapping instruction.
6336 * flags.h (flag_new_exceptions): Remove.
6337 * toplev.c: Don't set it.
6338 * final.c: Don't check it.
6339 * except.c: Provide stub definition.
6341 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6342 (calculate_global_regs_live): Kill call-clobbered registers
6343 across exception edges.
6344 * reg-stack.c (convert_regs_1): Kill the entire target stack
6345 across non-call exception edges.
6347 * flow.c (cleanup_cfg): Take no argument.
6348 * output.h, sibcall.c, toplev.c: Update all calls.
6350 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6352 * configure.in: Don't check for bcopy.
6353 * configure, config.in: Regenerate.
6355 * system.h: Don't define or prototype bcopy, instead poison it.
6357 2001-03-27 Richard Henderson <rth@redhat.com>
6359 * function.c (expand_function_start): Set DECL_REGISTER on
6360 a pseudo used for DECL_RESULT.
6362 * rtl.h (LCT_NORETURN): New.
6363 * calls.c (emit_library_call_value_1): Handle it.
6365 2001-03-27 Stan Shebs <shebs@apple.com>
6367 * objc/objc-act.c (objc_init): Use dump_base_name.
6368 (gen_declaration): Clear the buffer arg.
6369 (gen_declaration_1): New function, body of gen_declaration.
6370 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6371 (gen_method_decl): Ditto, plus always clear buffer arg.
6372 (error_with_ivar): Simplify.
6373 (warn_with_method): Ditto.
6374 (build_message_expr): Don't clear buffers.
6375 (dump_interface): Ditto.
6376 (objc_debug): Ditto.
6377 (build_keyword_selector): Clear the buffer by only zeroing
6379 (objc_implementation_context): Declare.
6380 (start_class): Warn about missing @end.
6381 (finish_objc): Ditto.
6383 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6385 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6387 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6389 * Makefile.in (SYSTEM_H): Define.
6390 Depend on $(SYSTEM_H), not system.h.
6392 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6394 2001-03-27 Jim Wilson <wilson@redhat.com>
6396 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6398 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6399 (process_epilogue): New static function.
6400 (process_set): Call process_epilogue instead of emitting .restore
6402 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6404 * flow.c (struct reg_cond_life_info): New fields orig_condition
6406 (init_propagate_block_info): Set new fields.
6407 (mark_regno_cond_dead): Set and use new fields.
6408 (flush_reg_cond_reg_1): Likewise.
6409 (and_reg_cond, case AND): Check for redundant AND conditions.
6410 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6413 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6415 * cppmacro.c (stringify_arg): Null terminate strings.
6417 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6419 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6420 inclusion style. xm-m68hc11.h no longer exists.
6421 * config/m68hc11/xm-m68hc11.h: Delete file.
6422 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6424 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6425 Don't define GCC_VERSION, N_, or PARAMS; don't include
6426 gansidecl.h or stdio.h. Define inhibit_libc here.
6427 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6428 Delete code conditioned on #if GCC_VERSION == 2095.
6430 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6431 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6432 Delete code conditioned on #if GCC_VERSION == 2095.
6434 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6436 * system.h: Include symcat.h.
6437 (STRINGIFY): Don't define.
6439 * configure.in: Adjust comment.
6441 * builtins.c: Use STRINGX, not STRINGIFY.
6442 * gencheck.c: Likewise.
6443 * gengenrtl.c: Likewise.
6444 * protoize.c: Likewise.
6446 * cpplex.c: Don't include symcat.h.
6447 * cpplib.c: Likewise.
6449 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6451 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6453 * c-typeck.c (digest_init): Fold init expression.
6455 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6457 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6459 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6461 * except.c (eh_regs): Save results of build_pointer_type to a temp
6462 as FUNCTION_VALUE macro may evaluate its args multiple times.
6464 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6466 * c-common.h (DECL_NUM_STMTS): New macro.
6467 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6469 (pushdecl): Likewise.
6470 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6471 * integrate.c (expand_inline_function): Don't check
6473 * print-tree.c (print_node): Don't print it.
6474 * toplev.c (rest_of_compilation): Don't try to inline when
6475 flag_no_inline is on.
6476 * tree.h (DECL_FRAME_SIZE): Remove.
6477 (tree_decl): Adjust accordingly.
6479 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6481 * combine.c (try_combine): Use memcpy, not bcopy.
6483 * genattrtab.c (expand_units): Likewise.
6485 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6487 * i386.md (push mem DI peep2): New.
6488 (mov 0, mov -1 peep2): Handle 64bit.
6489 (lea to arithmetics peep2): Handle 64bit leas.
6490 (rsp arithmetics to push/pop peep2s): New.
6492 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6494 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6496 * i386.c (struct machine_function): Add save_varrargs_registers.
6497 (ix86_save_varrargs_registers): New macro.
6498 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6499 (ix86_expand_prologue): Likewise.
6500 (ix86_emit_epilogue_esp_adjustement): Likewise.
6501 (ix86_expand_epilogue): Likewise.
6502 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6503 (pro_epilogue_adjust_stack_1): New insn.
6504 (pro_epilogue_adjust_stack_rex64): Likewise.
6505 * i386.h (MASK_NO_RED_ZONE): New constant.
6506 (TARGET_RED_ZONE): New macro.
6507 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6508 (RED_ZONE_SIZE): New constant.
6509 (RED_ZONE_RESERVE): New constant.
6511 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6513 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6515 2001-03-25 Kazu Hirata <kazu@hxi.com>
6517 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6520 (umodhi3): Likewise.
6523 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6525 * mkconfig.sh (DEFINES): Handle entries with '='.
6527 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6528 Set xm_defines to MACRO=value instead.
6530 * i370/xm-mvs.h: Delete.
6532 * ns32k/xm-pc532-min.h: Likewise.
6534 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6536 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6538 use ix86_expand_binary_operator
6539 (?sh??i_?): Disable for 64bit.
6540 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6541 * i386.c (shiftdi_operand): New predicate.
6543 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6544 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6545 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6546 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6547 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6548 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6549 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6550 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6551 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6552 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6553 (rotldi3, rotrdi3): New expanders.
6555 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6557 * i386.md (movstrsi): Move offline.
6559 (strmovdi_rex64): New.
6560 (strmov?i): Accept 64bit.
6561 (strmov?i_rex64): New.
6562 (strmov?i_rex_1): New.
6563 (strmov?i_1): Disable for 64bit.
6564 (rep_mov?i_rex64): New.
6565 (rep_mov?i): Disable for 64bit.
6566 (clrstrsi): Move offline.
6567 (strset?i_rex64): New.
6568 (strset?i: Accept 64bit.
6569 (rep_stos?i): Disable for 64bit.
6570 (rep_stos?i_rex64): New.
6571 (strset?i_rex_1): New.
6572 (strset?i_1): Disable for 64bit.
6573 (cmpstrsi): Accept 64bit.
6574 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6575 (cmpstrqi_nz_rex_1): New.
6576 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6577 (strlensi): Move offline.
6579 (strlenqi_1): Disable for 64bit; fix constraints.
6580 (strlenqi_rex_1): New.
6581 * i386.c (ix86_adjust_counter): New static function.
6582 (ix86_zero_extend_to_Pmode): Likewise.
6583 (ix86_expand_aligntest): Likweise.
6584 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6585 (ix86_expand_movstr): New global function.
6586 (ix86_expand_clrstr): New global function.
6587 (ix86_expand_strlen): New global function.
6588 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6589 ix86_expand_strlen): Declare.
6590 (ix86_expand_strlensi_unroll_1): Delete.
6592 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6594 * i386.md (cmpdi): Fix operand predicates.
6595 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6596 cmpdi_1_insn_rex64): New patterns.
6597 (adddi3): Turn to expander.
6598 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6599 (addsi3_carry_zext): New pattern.
6600 (adddi_?_rex64): New patterns and splitters.
6601 (addsi_?_zext): New patterns.
6602 (subsi3_carry_zext): New pattern.
6603 (subdi_?_rex64): New patterns and splitters.
6604 (iorsi_?_zext): New patterns.
6605 (iordi_?_rex64): New patterns and splitters.
6606 (iorsi_?_zext): New patterns.
6607 (iorsi_?_zext_imm): New patterns.
6608 (xorsi_?_zext): New patterns.
6609 (xordi_?_rex64): New patterns and splitters.
6610 (xorsi_?_zext): New patterns.
6611 (negdi*): New patterns.
6612 (one_cmpldi*): Likewise.
6613 (one_cmplsi*_zext, negsi*_zext): Likewise.
6614 (testqi_ext_3_rex64): New pattern.
6616 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6618 * i386-protos.h (ix86_split_long_move): Return void.
6619 * i386.c (ix86_split_to_parts): Handle 64bit target.
6620 (ix86_split_long_move): Likewise.
6621 * i386.md (all calls to ix86_split_long_move): Update.
6623 2001-03-23 Richard Henderson <rth@redhat.com>
6625 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6626 to avoid shadowing arguments.
6628 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6630 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6631 to variable names where DECL_NAME is different from
6632 DECL_ASSEMBLER_NAME.
6634 2001-03-23 Jim Wilson <wilson@redhat.com>
6636 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6637 (assemble_alias): Call make_decl_rtl.
6639 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6641 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6643 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6645 * extend.texi: Document the "java_interface" attribute.
6647 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6649 * mkconfig.sh: Use a subshell with redirected stdout,
6650 instead of closing stdout and confusing commands that run
6651 afterward. Throw away output of cmp.
6653 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6655 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6657 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6659 * i386.md (zero_extendsidi2_32): Break out from ...
6660 (zero_extendsidi2): ... here ; turn to expander.
6661 (zero_extendsidi2_rex64): New.
6662 (extendsidi2_32): Break out from ...
6663 (extendsidi2): ... here ; turn to expander.
6664 (extendsidi2_rex64): New.
6665 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6666 (trunc?f?f splitters): Add 64bit versions.
6668 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6670 * i386.md (pushsi, pushsi2_prologue): Disable.
6671 (pushsi2_rex64): New.
6672 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6673 (movqi_ext_1): Disable for 64bit.
6674 (movqi_ext_1_rex64): New.
6675 (pushdi2_rex64): New pattern, peep2s and splitter.
6676 (pushdi2_prologue_rex64): New pattern.
6677 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6679 (movdi splitters): Disable for 64bit.
6680 (movdi_1_rex64): New pattern, peep2s and splitters.
6681 (swapdi): New pattern.
6682 (pushsf): Disable for 64bit.
6683 (pushsf_rex64): New pattern and splitter.
6684 (pushdf_nointeger): Disable for 64bit.
6685 (pushdf_integer): Handle the 64bit case.
6686 (pushtf): Likewise; update splitters.
6688 2001-03-22 Richard Henderson <rth@redhat.com>
6690 * mkconfig.sh: Include insn-flags.h.
6691 * Makefile.in (CONFIG_H): Include insn-flags.h.
6692 (lots of objects): Remove insn-codes.h and insn-flags.h.
6694 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6695 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6696 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6697 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6698 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6699 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6700 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6701 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6702 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6703 v850/v850.c, vax/vax.c:
6704 Don't include insn-flags.h.
6706 * diagnostic.c, expr.h, reload.c, toplev.c:
6707 Don't include insn-codes.h.
6709 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6710 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6711 c4x/c4x.c, i960/i960.c, mips/mips.c:
6712 Don't include insn-codes.h or insn-flags.h.
6714 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6715 or insn-flags.h in the generated code.
6716 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6717 (main): Forward declare struct rtx_def.
6719 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6721 * invoke.texi (-ffast-math): Remove duplicate line about
6724 * gcc.texi: Remove more obsolete documentation of bugs and
6725 installation problems.
6727 2001-03-21 Kazu Hirata <kazu@hxi.com>
6729 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6732 2001-03-20 Jason Merrill <jason@redhat.com>
6734 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6736 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6737 * varasm.c (CHKR_PREFIX): Likewise.
6739 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6741 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6742 is part of a multi-SET insn.
6744 * cse.c (find_comparison_args): Remove previous change.
6745 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6748 * config/i386/i386.md (conditional_trap): Remove warning.
6750 * recog.c (push_operand): Fix error in last change that caused
6751 undefined symbol on many targets.
6753 * sdbout.c: #include ggc.h.
6754 (sdbout_init): Move to end of file.
6755 Call ggc_add_tree_root for anonymous_types.
6756 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6757 (sdbout_one_type): Use DECL_NAME for field name.
6758 * Makefile.in (sdbout.o): Show includes ggc.h.
6760 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6762 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6763 (override_options): Use properlimits for preferred_stack_boundary.
6764 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6766 (ext_register_operand): Accept DImode.
6767 (load_pic_register): Abort on 64bit.
6768 (gen_push): Use Pmode instead of SImode.
6769 (ix86_save_reg): Pic reg is never used on 64bit.
6770 (ix86_expand_prologue): Likewise.
6771 (ix86_emit_save_regs): Use Pmode instead of SImode.
6772 (legitimate_address_p): Check displacement for 64bit.
6773 (print_operand): Avoid outputting of (%rip) on 64bit.
6774 (print_operand_address): Output (%rip) where possible.
6775 (split_di): Abort on 64bit registers.
6776 (ix86_expand_branch): DImode comparison is simple for x86_64.
6777 (memory_address_length): Recognize memory addresses formed using
6779 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6781 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6783 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6785 * recog.c (push_operand): Recognize new format of push instructions.
6787 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6789 * i386.md (pushqi1): New.
6790 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6791 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6792 x86_64_immediate_operand, x86_64_immediate_operand,
6793 x86_64_zext_immediate_operand): Declare.
6794 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6795 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6796 x86_64_immediate_operand, x86_64_immediate_operand,
6797 x86_64_zext_immediate_operand): define.
6798 * i386.h (PREDICATE_CODES): Add new predicates.
6800 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6802 * i386.md (pophi1, popqi1, pushqi1): Remove.
6804 * expr.c (emit_single_push_insn): New function.
6805 (move_by_pieces): Accept NULL as destination for push instructions.
6806 (gen_push_operand): Kill.
6807 (emit_push_insn): Pass NULL when pushing; avoid updating of
6808 stack_pointer_delta.
6809 * expr.h (gen_push_operand): Kill.
6811 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6813 * rtl.texi (COMPARE): Clarify documentation and reference section
6816 2001-03-20 Stan Shebs <shebs@apple.com>
6818 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6819 (get_object_reference): Ditto.
6820 (error_with_ivar): Use error_with_file_and_line.
6821 (warn_with_method): Use warning_with_file_and_line.
6823 2001-03-20 Tom Tromey <tromey@redhat.com>
6825 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6827 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6829 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6830 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6832 2001-03-20 DJ Delorie <dj@redhat.com>
6834 * Makefile.in (install-libgcc): Pass complete list of variables.
6835 (install-multilib): Ditto.
6837 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6839 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6840 drectve_section, switch_to_section.
6842 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6843 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6844 i386_pe_mark_dllimport.
6846 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6848 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6849 functions i386_pe_*.
6851 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6852 i386_pe_* functions with char * arguments.
6854 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6856 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6858 (movsi_ie): Introduce fpul store.
6860 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6862 * Makefile.in (OBJS): Remove hashtab.o.
6864 2001-03-19 Stan Shebs <shebs@apple.com>
6866 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6867 * c-lang.c (maybe_objc_method_name): Ditto.
6868 * c-tree.h (maybe_objc_method_name): Remove decl.
6870 2001-03-19 Tom Tromey <tromey@redhat.com>
6872 * gcc.c (init_gcc_specs): Fix comment.
6874 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6876 Compute DECL_ASSEMBLER_NAME lazily.
6877 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6878 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6879 (SET_DECL_ASSEMBLER_NAME): Likewise.
6880 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6881 (set_decl_assembler_name): Declare.
6882 (lang_set_decl_assembler_name): Likewise.
6883 * tree.c (lang_set_decl_assembler_name): New variab.e
6884 (set_decl_assembler_name): New function.
6885 (init_obstacks): Set lang_set_decl_assembler_name.
6886 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6887 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6888 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6889 where it's not necessary.
6890 (builtin_function): Likewise.
6891 (finish_decl): Likewise.
6892 * dbxout.c (dbxout_type_methods): Likewise.
6893 * ggc-common.c (ggc_mark_trees): Likewise.
6894 * profile.c (output_func_start_profiler): Likewise.
6895 * varasm.c (make_decl_rtl): Likewise.
6897 * cse.c (find_comparison_args): Update documentation. Fix
6898 mishandling of COMPARE operations.
6900 * tree.def (ABS_EXPR): Add documentation.
6901 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6903 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6905 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6907 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6909 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6910 Remove ia32 linux PIC kludge and move it...
6911 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6913 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6915 * i386.md (absdf2 expander): Fix 64bit case.
6917 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6919 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6921 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6923 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6925 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6927 * README.X11: Remove obsolete file.
6929 2001-03-18 Anthony Green <green@redhat.com>
6931 * config/pj/pj.h: Remove some trailing commas.
6932 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6934 2001-03-18 Richard Henderson <rth@redhat.com>
6936 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6937 * calls.c: ... here.
6938 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6939 defaults for them here.
6941 2001-03-17 Anthony Green <green@redhat.com>
6943 * config/pj/lib1funcs.S: Fix broken comment.
6944 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6947 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6949 * gcc.texi: Remove obsolete information relating to build and
6950 installation problems with enquire or the Pyramid C compiler.
6952 2001-03-17 Richard Henderson <rth@redhat.com>
6954 * dwarf2out.c (queue_reg_save): New.
6955 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6956 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6958 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6959 (cfa, cfa_store, cfa_temp): Make static.
6960 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6962 2001-03-17 Richard Henderson <rth@redhat.com>
6964 * integrate.h (struct inline_remap): Add local_return_label.
6965 * integrate.c (expand_inline_function): Initialize it and emit
6966 it after copy_insn_notes.
6967 (copy_insn_list): Don't store local_return_label here.
6968 (copy_insn_notes): New function split out from copy_insn_list.
6970 2001-03-17 Richard Henderson <rth@redhat.com>
6972 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6973 is generating .debug_line.
6974 (dwarf2out_init): Add main_input_filename to the file table first.
6975 * configure.in (as_dwarf2_debug_line): Test with file number 1
6976 instead of file number 0.
6978 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6980 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6981 (gen_rtx_combine): Deleted; all references changed as appropriate.
6982 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6984 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6986 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6988 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6991 2001-03-16 Jim Wilson <wilson@redhat.com>
6993 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6994 then set it to LOC_REG (79) instead of aborting.
6996 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6998 * gccbug.in: Remove high priority.
7000 2001-03-16 Richard Henerson <rth@redhat.com>
7002 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7003 output with a space instead of deleting it.
7004 * configure: Regenerate.
7006 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7008 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7009 handles the gory details of converting an object file into
7010 something that's safe to grep.
7011 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7012 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7013 newlines at either end of the string we're looking for.
7014 Make 'checking ...' message less stilted.
7015 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7016 ARM in-memory layout and its hypothetical converse. Don't
7017 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7018 HOST_WORDS_BIG_ENDIAN.
7020 * configure.in: Adjust for renamed macro. Move
7021 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7022 * configure, config.in: Regenerate.
7024 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7026 * fixinc/Makefile.in: Set SHELL.
7028 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7030 * fixinc/fixincl.c (fix_with_system): Quote file names before
7031 passing them to shell.
7033 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7035 * Makefile.in: Use fix-header$(build_exeext) instead
7038 2001-03-16 Richard Henderson <rth@redhat.com>
7040 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7041 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7042 (size_of_line_prolog): Remove.
7043 (output_line_info): Compute prologue size via label difference.
7044 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7046 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7047 assembler error when redefining file numbers.
7048 * config.in, configure: Rebuild.
7050 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7051 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7052 (dw2_asm_output_delta_uleb128): Likewise.
7053 (dw2_asm_output_delta_sleb128): Similarly.
7054 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7056 2001-03-16 Michael Meissner <meissner@redhat.com>
7058 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7060 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7062 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7064 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7065 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7066 being unsigned in ISO C and signed in traditional.
7067 (expand_prologue): Ditto.
7068 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7070 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7072 (divsi3,divdi3): Ditto.
7073 (modsi3,moddi3): Ditto.
7074 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7075 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7076 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7079 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7081 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7082 SSE based conditional moves on LTGT/UNEQ conditions;
7083 Canonicalize EQ to NE.
7084 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7085 (sse_mov?fcc_ne): New.
7087 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7089 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7091 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7092 register may be dead.
7094 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7096 * Makefile.in (hash.o): Depend on CONFIG_H.
7098 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7100 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7102 2001-03-15 Richard Henderson <rth@redhat.com>
7104 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7105 (ASM_OUTPUT_DWARF_PCREL): New.
7106 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7108 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7110 * cppfiles.c (stack_include_file): Use MAX of sysp.
7112 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7114 * config.gcc (ia64*-*-hpux*): New case.
7115 * config/ia64/hpux.h: New file for HP-UX support.
7116 * config/ia64/t-hpux: New file for HP-UX support.
7118 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7120 * fixinc/inclhack.def (irix_stdio_va_list): New.
7121 * fixinc/fixincl.x: Rebuilt.
7123 2001-03-15 Richard Henderson <rth@redhat.com>
7125 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7126 if provided by the target.
7127 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7128 (dw2_asm_output_addr): New.
7129 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7130 * dwarf2out.c (output_cfi): Use it for program addresses.
7131 (output_call_frame_info, output_die): Likewise.
7132 (output_aranges, output_line_info): Likewise.
7134 2001-03-15 Bruce Korb <bkorb@gnu.org>
7136 * gcc.c(main): make more rigorous
7137 * collect2.c(main): guard against ignoring SIGCHLD
7138 * protoize.c(main): ditto
7139 * gcc/fixinc/fixincl.c(initialize): ditto
7141 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7143 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7144 (sdbout_parms): Likewise.
7146 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7148 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7149 "widen" a destination that is already wider than a word. Also do
7150 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7152 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7154 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7156 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7158 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7160 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7162 * i960.h (i960_maxbitalignment,
7163 i960_last_maxbitalignment): Declare.
7164 * i960.c (i960_maxbitalignment,
7165 i960_last_maxbitalignment): Make global.
7166 (process_pragma): Delete.
7167 (i960_pr_align, i960_pr_noalign): Move from here ...
7168 * i960-c.c: ... to this new file.
7169 * t-960bare (i960-c.o): New rule.
7170 * t-vxworks960 (i960-c.o): Likewise.
7171 * config.gcc (i960-*-*): Define c_target_objs and
7174 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7176 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7177 without adding in rtx code and mode.
7179 * alias.c (init_alias_analysis): Don't use any rtx whose value
7180 varies as a known value.
7181 Delete a superfluous test.
7183 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7185 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7186 scheduling a stop bit.
7187 (ia64_emit_nops): Correctly handle ASMs.
7189 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7191 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7193 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7195 * cpp.texi: Update documentation for -include and -imacros.
7196 * cppfiles.c (struct include_file): Remove "defined" memeber.
7197 (find_or_create_entry): Make a copy of the file name, and
7199 (open_file): Update to ensure we use the simplified filename.
7200 (stack_include_file): Don't set search_from.
7201 (cpp_included): Don't simplify the path name here.
7202 (find_include_file): New prototype. Call search_from to
7203 get the start of the "" include chain. Don't simplify the
7205 (_cpp_execute_include): New prototype. Move diagnostics to
7206 do_include_common. Update.
7207 (_cpp_pop_file_buffer): Don't set defined.
7208 (search_from): New prototype. Use the preprocessor's cwd
7209 for files included from the command line.
7210 (read_name_map): Don't simplify the pathname here.
7211 * cpphash.h (enum include_type): New.
7212 (struct buffer): Delete search from. New search_cached.
7213 (_cpp_execute_include): Update prototype.
7214 * cppinit.c (do_includes): Use _cpp_execute_include.
7215 * cpplib.c (do_include_common): New function.
7216 (do_include, do_include_next, do_import): Use it.
7218 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7220 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7221 contents of the RTL, to determine the name of the object.
7223 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7225 * tree.h (DECL_RTL): Allocate RTL lazily.
7226 (SET_DECL_RTL): New macro.
7227 (DECL_RTL_SET_P): Likewise.
7228 (COPY_DECL_RTL): Likewise.
7229 (DECL_RTL_IF_SET): Likewise.
7230 * varasm.c (make_decl_rtl): Add assertions about the kind of
7231 declaration we are processing.
7232 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7233 (start_decl): Likewise.
7234 (finish_decl): Likewise.
7235 * c-semantics.c (emit_local_var): Likewise.
7236 * calls.c (expand_call): Likewise.
7237 * dbxout.c (dbxout_symbol): Likewise.
7238 * emit-rtl.c (unshare_all_rtl): Likewise.
7239 (unshare_all_decls): Likewise.
7240 (reset_used_decls): Likewise.
7241 * expr.c (store_constructor): Likewise.
7242 (safe_from_p): Likewise.
7243 (expand_expr): Likewise.
7244 * function.c (put_var_into_stack): Likewise.
7245 (instantiate_decls_1): Likewise.
7246 (assign_parms): Likewise.
7247 (expand_function_start): Likewise.
7248 (expand_function_end): Likewise.
7249 * ggc-common.c (gcc_mark_trees): Likewise.
7250 * integrate.c (function_cannot_inline_p): Likewise.
7251 (copy_decl_for_inlining): Likewise.
7252 (expand_inline_function): Likewise.
7253 (integrate_parm_decls): Likewise.
7254 (integrate_decl_tree): Likewise.
7255 * print-tree.c (print_node): Likewise.
7256 * reg-stack.c (stack_result): Likewise.
7257 * stmt.c (label_rtx): Likewise.
7258 (expand_return): Likewise.
7259 (expand_decl): Likewise.
7260 (expand_decl_cleanup): Likewise.
7261 (expand_anon_union_decl): Likewise.
7262 * toplev.c (check_global_declarations): Likewise.
7263 (rest_of_decl_compilation): Likewise.
7264 * tree.c (simple_cst_equal): Likewise.
7265 * objc/objc-act.c (generate_static_references): Likewise.
7267 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7269 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7270 gcc_AC_C_FLOAT_FORMAT): New macros.
7271 * configure.in: Add AC_PROG_CPP after CC tests;
7272 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7273 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7274 * configure, config.in: Regenerate.
7276 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7277 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7278 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7279 config/i370/xm-linux.h, config/i370/xm-oe.h,
7280 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7281 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7282 config/pa/xm-linux.h, config/pa/xm-pa.h,
7283 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7284 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7285 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7286 config/we32k/xm-we32k.h: Delete.
7288 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7289 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7290 config/vax/xm-vms.h: Don't define any of:
7291 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7293 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7295 * config.gcc: Remove references to deleted files.
7296 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7297 FATAL_EXIT_CODE, which is the same between oe and mvs).
7299 2001-03-14 DJ Delorie <dj@redhat.com>
7300 Vladimir Makarov <vmakarov@redhat.com>
7302 * config/i960/i960.c (i960_function_prologue): Compute size of
7303 frame according to number of registers actually saved there.
7305 2001-03-14 Richard Henderson <rth@redhat.com>
7307 * expr.c (emit_move_insn_1): Fix else if around #endif.
7309 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7312 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7315 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7317 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7318 (override_options): Parse cmodel string.
7319 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7320 * i386.h (TARGET_OPTIONS): Add "cmodel".
7321 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7323 (ix86_cmodel_string, ix86_cmodel): Declare.
7325 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7328 * i386.h (GENERAL_REG_P): Add missing REG_P.
7330 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7332 * configure.in: Use $gcc_cv_as instead of $as.
7333 * configure: Regenerated.
7335 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7337 * cppfiles.c (stack_include_file): Only increase the include
7338 count if we actually process the file properly, as opposed
7339 to treating it as length zero. Only call read_include_file
7340 if not DO_NOT_REREAD. Handle the -H include file output
7342 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7343 (cpp_included, find_include_file): Simplify pathnames after
7344 remapping them. If remapping, don't use the remapped file
7345 name's buffer as our scratch buffer.
7346 (cpp_pop_file_buffer): Replace the multiple include macro
7347 only if it isn't yet set.
7348 (read_name_map): Simplify remapped names when reading in.
7349 (remap_filename): Move code to code path that uses it.
7350 (_cpp_simplify_pathname): Return the input pointer.
7351 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7353 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7355 * expr.c (expand_expr): Revove bogus conditional.
7357 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7359 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7361 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7363 * reg-stack.c (stack_result): Unconditionally use
7364 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7366 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7368 * expr.c (emit_move_insn_1): Split push of complex value when
7369 no suitable push instruction exist.
7371 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7372 instead of QI_REG_P.
7374 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7376 * alias.c (handled_component_p, can_address_p): New functions.
7377 (get_alias_set): Use them.
7379 2001-03-13 Jim Wilson <wilson@redhat.com>
7381 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7382 from 80 in try_locals code.
7383 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7385 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7387 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7388 gcc_AC_C_LONG_LONG): New.
7389 * configure.in: Use them. Probe the size of short, int, long,
7390 and long long/__int64 if we have them. Move all the AC_C_*
7391 checks together, except gcc_AC_C_CHAR_BIT which has to go
7392 after AC_CHECK_HEADERS(limits.h).
7393 Take hwint.h out of host_xm_file and build_xm_file.
7395 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7396 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7397 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7398 Move the HOST_WIDEST_INT setup logic here from system.h.
7399 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7401 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7402 is now handled by hwint.h.
7404 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7405 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7406 config/ia64/xm-ia64.h: Don't define any of:
7407 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7408 HOST_BITS_PER_LONGLONG.
7410 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7411 config/h8300/xm-h8300.h, config/mips/iris6.h,
7412 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7413 config/sparc/xm-sp64.h: Delete.
7414 * config.gcc: Remove references to deleted files.
7416 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7417 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7418 * config/i370/xm-linux.h: Clarify floating-point situation in
7421 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7423 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7424 (find_include_file): Decide here which part of the include
7425 chain to start the search. Complain about an empty include
7426 chain in all cases apart from an abolsute file name.
7427 (_cpp_execute_include): Don't choose the search chain here.
7428 Don't call handle_missing_include in the case of an empty
7430 (_cpp_compare_file_date): Don't choose the search chain here.
7431 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7432 here from _cpp_execute_include. Behave like #include if
7433 we're in the main file.
7435 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7437 * system.h (malloc, realloc, calloc, strdup): Only poison these
7438 tokens when IN_GCC is defined.
7440 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7442 * i386.md (abs?f expander): Support SSE case.
7443 (abd?f_if): Add new "USE"; add splitters.
7445 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7447 * cpp.texi (poison): Explain the macro expansion exception.
7449 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7451 * expr.c (store_expr): Add dont_store_target. If temp is already in
7452 target before copying to reg, don't store it into target again.
7454 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7456 * cppinternals.texi: Update for file handling.
7458 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7460 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7461 2001-02-24 which broke building the Java library.
7462 * function.c (identify_blocks): Likewise.
7463 (all_blocks): Likewise.
7464 * integrate.c (integrate_decl_tree): Likewise.
7465 * print-tree.c (print_node): Likewise.
7466 * tree.h (BLOCK_NUMBER): Likewise.
7467 (struct tree_block): Likewise.
7469 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7471 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7472 __WCHAR_TYPE__ definition.
7473 (WCHAR_TYPE_SIZE): #undef before #define.
7475 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7477 * cppfiles.c: Update comments.
7478 (destroy_include_file_node): Rename destroy_node.
7479 (find_or_create_entry): New function.
7480 (open_file, _cpp_fake_include): Use it.
7481 (handle_missing_header): New function, broken out of
7482 _cpp_execute include. Don't segfault if there is no
7483 system or quoted path.
7484 (_cpp_execute_include): Use handle_missing_header.
7486 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7488 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7489 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7491 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7493 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7494 unless anti_dependence says they are.
7495 * alias.c (objects_must_conflict): If neither has a type specified,
7498 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7499 David Billinghurst <David.Billinghurst@riotinto.com>
7501 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7503 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7505 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7506 (*_one_bit): Remove type on the match_operand in attributes.
7508 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7510 * i386.c: Commit forgotten hunk in previous patch.
7511 (regclass_map): Add extended registers.
7512 (dbx_register_map): Add missing frame register.
7514 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7516 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7518 * i386.md (x86_sahf_1): Disable for 64bit.
7519 (popsi*, pophi*): Likewise.
7520 (pushqi, pushhi): Likewise.
7521 (movdi, pushdi): Likewise.
7522 (zero extend DImode splitter): Likewise.
7523 (adddi, minusdi splitter): Likewise.
7524 (umulsidi): Likewise.
7526 (mulsidi): Disable for 64bit
7527 (lshift:DI/ashift:DI): Disable for 64bit.
7528 (loop patterns): Likewise.
7529 (call_pop, call_value_pop expanders and patterns): Likewise.
7530 (prologue_get_pc): Likewise.
7532 (fcmovDI pattern and splitter): Likewise.
7533 (movdfcc_1_rex64): New.
7535 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7537 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7538 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7539 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7540 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7541 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7542 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7543 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7544 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7545 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7546 (REGPARM_MAX): Set to 6 for x86_64.
7547 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7548 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7551 * (patterns that does use upper halves): Update constraints
7552 'q' to 'Q' and 'r' to 'R'.
7553 (cmpqi_ext_1): Disable for 64bit.
7554 (cmpqi_ext_3_insn): Likewise.
7555 (movqi_extzv_1): Likewsie.
7556 (addqi_ext_1): Liekwsie
7557 (testqi_ext_1): Liekwsie
7558 (andqi_ext_1): Liekwsie
7559 (xorqi_ext_1): Liekwsie
7560 (cmpqi_ext_1_rex64): New.
7561 (cmpqi_ext_3_insn_rex64): Likewise.
7562 (movqi_extzv_1_rex64): Likewsie.
7563 (addqi_ext_1_rex64): Liekwsie
7564 (testqi_ext_1_rex64): Liekwsie
7565 (andqi_ext_1_rex64): Liekwsie
7566 (xorqi_ext_1_rex64): Liekwsie
7568 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7570 * configure.in: Move check for unsigned enumerated bitfields
7571 to macro in aclocal.m4. Disable it for now.
7572 * configure, config.in: Regenerate.
7573 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7574 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7575 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7576 kind above its first use.
7578 * config/xm-interix.h, config/alpha/xm-alpha.h,
7579 config/i370/xm-linux.h, config/i386/xm-beos.h,
7580 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7581 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7582 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7583 Don't define ONLY_INT_FIELDS under any circumstances.
7585 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7587 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7588 config/sparc/xm-sysv4.h: Delete - now identical with some
7590 * config.gcc (hppa targets): Replace xm-pahpux.h and
7591 xm-papro.h with implicit xm-pa.h.
7592 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7595 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7597 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7598 before reload_cse_noop_set_p.
7600 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7602 * config.gcc: Where xm-host.h used to include another
7603 xm-host.h, list the nested header directly in xm_file. Remove
7604 references to deleted files. Can now use sparc/xm-sp64.h for
7607 * config/xm-linux.h, config/arm/xm-linux.h,
7608 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7609 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7610 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7611 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7612 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7615 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7616 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7617 bother to wrap #undef in #ifdef.
7618 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7619 Don't include xm-linux.h.
7620 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7622 * configure.in: Wrap regexps using [] in changequote block.
7623 Use expr : not echo | grep. Simplify regexps.
7624 * configure: Regenerate.
7626 56 xm-files remain, 22 xm-arch.
7628 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7630 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7631 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7632 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7633 (copy_object): Fix format specifier vs argument mismatch.
7635 * mips-tdump.c: Make local functions static.
7636 (rindex): Don't #undef.
7637 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7638 (fatal, fancy_abort): Delete.
7639 (read_seek): Avoid signed/unsigned compare.
7641 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7643 * combine.c (try_combine): Fix error in change to try original
7645 (gen_rtx_combine): Do same as gen_rtx for now.
7647 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7649 * configure.in: AC_SUBST xm_defines.
7650 * configure: Regenerate.
7651 * Makefile.in: Set DEFINES=$(xm_defines) when building
7654 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7656 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7657 (cpp_included, find_include_file): Update.
7658 (_cpp_compare_file_date): Make else unconditional.
7660 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7662 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7664 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7666 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7667 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7669 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7671 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7672 if it's a record type.
7674 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7676 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7677 mingw includes slightly.
7679 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7681 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7682 #undef token before poisoning it.
7684 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7686 * alpha.c (check_float_value): Use memcpy, not bcopy.
7688 * m32r.c (m32r_sched_reorder): Likewise.
7690 * vax.c (check_float_value): Likewise.
7692 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7694 * toplev.c (file_name_nondirectory): Remove.
7695 * toplev.h: Similarly.
7696 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7697 of file_name_nondirectory.
7699 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7701 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7702 * mips-tfile.c: Don't #undef rindex; not used.
7704 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7706 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7707 (dbx64_register_map): Declare.
7708 (RETURN_ADDR_RTX): Fix for 64bit.
7709 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7710 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7711 * i386.c (dbx64_register_map): New global array.
7712 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7713 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7716 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7718 * cppfiles.c (search_from): Use lbasename.
7719 * mkdeps.c (deps_add_default_target): Use lbasename.
7721 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7723 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7724 xcalloc in lieu of malloc, realloc & calloc.
7726 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7728 * gengenrtl.c (xmalloc): Likewise.
7730 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7731 really_call_* memory allocation routines.
7733 * stmt.c (check_for_full_enumeration_handling): Use
7734 really_call_calloc, not calloc.
7736 * system.h (really_call_malloc, really_call_calloc,
7737 really_call_realloc): Define.
7738 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7740 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7742 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7744 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7746 * configure: Rebuilt.
7747 * configure.in: Only use `lang_requires' for languages athat are
7750 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7752 * invoke.texi: Fix typo.
7753 * gcc.1: Regenerate.
7755 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7757 * configure.in: Prune nonexistent files from build_xm_file,
7758 xm_file, and host_xm_file lists. Warn unless they're
7760 Don't generate *config.h here.
7761 AC_SUBST all variables needed to generate *config.h.
7762 * configure: Regenerate.
7763 * mkconfig.sh: New helper script, from code removed from
7765 * Makefile.in: Zap all MALLOC variables - no longer used
7766 anywhere, and malloc.c doesn't exist.
7767 Substitute in variables needed to generate *config.h.
7768 Stop lying about the dependencies contained in CONFIG_H and
7770 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7771 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7772 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7773 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7774 $(TM_P_H), etc. as appropriate.
7776 * config.gcc: Zap references to deleted files.
7777 * ggc-none.c: Don't include rtl.h or tm_p.h.
7779 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7780 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7781 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7782 config/i386/xm-linux.h, config/i386/xm-linux.h,
7783 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7784 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7785 Don't include i386/xm-i386.h.
7787 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7788 config/i386/xm-i386.h, config/i860/xm-i860.h,
7789 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7790 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7791 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7792 Delete (empty except comments, #includes of other deleted
7793 files, and macros used nowhere).
7795 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7797 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7798 independent on TARGET_FLAGS.
7800 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7802 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7804 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7806 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7808 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7809 LAST_REX_SSE_REG): define.
7810 (enum reg_class): Add 'LEGACY_REGS'
7811 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7812 (SSE_REGNO_P): Recognize extended registers.
7813 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7814 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7815 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7816 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7817 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7818 REG_OK_FOR_STRREG_P): Remove.
7819 (HI_REGISTER_NAMES): Add extended registers.
7820 (ADDITIONAL_REGISTER_NAMES): Likewise.
7821 (QI_REGISTER_NAMES): Add 8bit extended registers.
7822 (DEBUG_REG): Support extended registers.
7823 * i386.c (regclass_map): Add extended registers.
7824 (dbx_register-map): Likewise.
7825 (svr4_dbx_register_map): Likewise.
7826 (print_reg): Support extended registers.
7827 (print_operand): Support 64bit operands.
7829 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7831 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7832 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7833 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7834 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7835 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7836 STACK_BOUNDARY): Set properly for 64bits.
7837 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7838 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7839 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7840 (MOVE_MAX): Set to 16.
7841 (MOVE_MAX_PIECES): 8 for 64bit.
7842 (Pmode): Set to SImode.
7844 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7846 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7848 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7850 * i386.h (mask_64bit): New constant.
7851 (target_64bit): New macro.
7852 (target_options): Add '64'/'32'
7853 (target_default): Define.
7854 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7855 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7856 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7858 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7860 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7862 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7864 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7865 LO_SUM unless for_alias is set.
7867 2001-03-08 Stan Shebs <shebs@apple.com>
7869 * objc/objc-act.c: Fix old typos in comments, add comments for
7871 (hash_init): Fix file name in error message.
7872 (hash_enter): Ditto.
7873 (hash_add_attr): Ditto.
7874 (continue_class): Ditto.
7876 2001-03-08 Bruce Korb <bkorb@gnu.org>
7878 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7879 wait4() can receive the signal.
7881 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7883 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7885 * fixinc/fixincl.x: Regenerate.
7887 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7889 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7891 * fixinc/fixincl.x: Regenerate.
7893 2001-03-08 Richard Henderson <rth@redhat.com>
7895 * configure.in (HAVE_AS_LEB128): New assembler check.
7896 * configure, config.in: Rebuilt.
7898 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7900 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7903 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7905 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7906 references to the MAXPATHLEN macro.
7908 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7909 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7912 * config/i386/xm-gnu.h, config/xm-gnu.h,
7913 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7914 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7915 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7916 and/or unused files.
7918 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7919 doing so in various xm-*.h files.
7921 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7923 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7925 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7927 * configure.in (enable_shared): Support per-package shared-library
7929 * configure: Rebuilt.
7931 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7933 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7934 for crnot. Set operands[5] in splitter.
7936 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7938 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7939 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7940 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7941 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7942 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7943 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7944 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7947 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7948 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7949 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7950 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7951 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7952 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7953 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7954 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7955 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7956 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7957 Delete unused and/or empty files.
7959 * config.gcc: Define USG in xm_defines as appropriate. Define
7960 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7961 macro. Remove deleted xm-* files from $xm_files variable.
7963 2001-03-07 Tom Tromey <tromey@redhat.com>
7965 * configure: Rebuilt.
7966 * configure.in: Allow config-lang.in to set `lang_requires' to list
7967 of other required languages.
7969 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7971 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7973 (output_prologue): Use xmalloc not oballoc.
7974 (output_epilog): Free a29k_first_epilogue_insn when finished.
7975 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7977 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7979 * builtins.c (expand_builtin_mathfn): Check
7980 flag_unsafe_math_optimizations, not flag_fast_math.
7981 (expand_builtin): Likewise
7982 * combine.c (combine_simplify_rtx): Likewise.
7983 (simplify_if_then_else): Likewise.
7984 * cse.c (fold_rtx): Likewise.
7985 * flags.h: Remove flag_fast_math. Add
7986 flag_unsafe_math_optimizations and flag_trapping_math.
7987 * fold-const.c (negate_expr): Check
7988 flag_unsafe_math_optimizations, not flag_fast_math.
7989 (invert_truthvalue): Likewise.
7990 (fold): Likewise. Before associating operands, check that
7991 code == MULT_EXPR, not code != MULT_EXPR.
7992 * ifcvt.c (noce_try_minmax): Check
7993 flag_unsafe_math_optimizations, not flag_fast_math.
7994 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7995 * invoke.texi: Document -funsafe-math-optimizations and
7996 -fno-trapping-math. Change documentation for -ffast-math.
7997 * jump.c (reversed_comparison_code_parts): Likewise.
7998 (rtx_equal_for_thread_p): Likewise.
7999 * optabs.c (emit_conditional_move): Likewise.
8000 * simplify-rtx.c (simplify_binary_operation): Likewise.
8001 (simplify_relational_operation): Likewise.
8002 (simplify_ternary_operation): Likewise.
8003 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8004 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8005 Add trapping-math and unsafe-math-optimizations entries to f_options.
8006 (set_fast_math_flags): New, sets flags for -ffast-math.
8007 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8008 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8009 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8011 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8012 (alpha_emit_conditional_move): Initialize local_fast_math to
8013 flag_unsafe_math_optimizations, not flat_fast_math.
8014 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8015 instead of setting flag_fast_math to 1.
8016 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8018 * config/i386/i386.c (override_options): Likewise
8019 * config/i386/i386.md: Likewise.
8020 * config/m68k/m68k.md: Likewise.
8021 * config/mips/mips.md: Likewise.
8022 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8023 (rs6000_generate_compare): Likewise.
8025 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8027 * Makefile.in: Set RANLIB to @RANLIB@.
8030 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8032 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8033 * fixinc/fixincl.x: Regenerated.
8035 2001-03-07 Richard Henderson <rth@redhat.com>
8037 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8039 2001-03-07 Richard Henderson <rth@redhat.com>
8041 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8042 of block notes and exception handling notes.
8044 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8045 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8046 (compile_file): ... here.
8048 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8050 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8052 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8053 config.h now. Include libiberty.h to handle alloca.
8055 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8057 * c-parse.in (yylexname): New function, split out of _yylex.
8058 (objc_rid_sans_at): New table.
8059 (init_reswords): Initialize it.
8060 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8061 retrieving the next token and checking it for significance as
8062 an ObjC keyword or string constant.
8064 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8065 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8067 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8070 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8072 * config/m68k/m68k.c (const_uint32_operand): Accept any
8073 const_int on a 32-bit host.
8075 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8077 * objc/objc-act.c (init_objc): Set save_lang_status,
8078 restore_lang_status, and mark_lang_status.
8080 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8082 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8084 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8086 * cppinternals.texi: Update.
8088 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8090 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8091 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8092 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8093 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8094 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8095 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8096 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8097 config/i386/xm-i386.h, config/i860/xm-i860.h,
8098 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8099 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8100 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8101 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8102 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8103 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8104 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8105 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8106 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8107 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8108 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8109 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8110 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8111 match the defaults provided in hwint.h.
8113 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8114 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8116 * config.gcc (xm_file): Don't set to files which are deleted.
8118 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8119 guard this file against these macros being undefined.
8121 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8123 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8124 and DECL_DEFER_OUTPUT on the decl we create, before calling
8125 rest_of_decl_compilation.
8127 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8129 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8131 * configure, config.in: Regenerate.
8132 * config.gcc: Remove references to deleted files.
8134 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8135 genrecog.c, rtl.c: Do not use alloca anywhere.
8137 * Makefile.in, build-make, system.h, config/x-interix,
8138 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8139 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8140 config/arc/xm-arc.h, config/arm/xm-arm.h,
8141 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8142 config/h8300/xm-h8300.h, config/i370/x-oe,
8143 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8144 config/i386/x-ncr3000, config/i386/x-sco5,
8145 config/i386/xm-dgux.h, config/i860/x-sysv4,
8146 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8147 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8148 config/m68k/x-hp320g, config/m69k/x-mot3300,
8149 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8150 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8151 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8152 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8153 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8154 config/mips/x-iris, config/mips/x-iris3,
8155 config/mips/x-sni-svr4, config/mips/x-sysv,
8156 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8157 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8158 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8159 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8160 config/pa/xm-papro.h, config/romp/xm-romp.h,
8161 config/rs6000/x-aix31, config/rs6000/x-aix41,
8162 config/rs6000/x-beos, config/rs6000/x-lynx,
8163 config/rs6000/x-mach, config/rs6000/x-rs6000,
8164 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8165 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8166 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8167 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8168 config/vax/xm-vms.h: Eradicate all references to alloca and
8171 * config/xm-alloca.h, config/clipper/x-clix,
8172 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8173 config/i860/x-sysv3, config/m88k/x-sysv3,
8174 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8175 (contained only alloca related hacks).
8177 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8180 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8182 * invoke.texi: Document __FAST_MATH__.
8184 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8186 * crtstuff.c: Restore include of auto-host.h.
8188 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8190 Put main() in a separate file, so that the language
8191 front-end can use a different main().
8194 * toplev.c: (main): Rename as toplev_main.
8195 * toplev.h: Declare toplev_main.
8196 * Makefile.in (OBJS): add toplev.o.
8197 (BACKEND): remove toplev.o, add main.o.
8199 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8201 * cppfiles.c (search_from): Special case the empty string.
8203 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8205 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8206 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8207 strlen or strcpy; we already know the length.
8208 (_cpp_compare_file_date): Similarly.
8209 * cpphash.h (struct cpp_reader): Delete done_initialising.
8210 (CPP_PREV_BUFFER): Delete.
8211 * cppinit.c (cpp_start_read): Don't set done_initialising.
8212 * cpplex.c (parse_string): Guarantee null-termination.
8213 (_cpp_equiv_toklists): Remove.
8214 * cpplib.c (glue_header_name): Null-terminate.
8215 (do_line): Don't leak memory.
8216 * cpplib.h (BT_WEAK): Delete.
8217 * cppmain.c (cb_ident): Strings are now null-terminated.
8219 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8221 * gcc.c (convert_filename): Append executable suffix
8222 if NO_AUTO_EXE_SUFFIX is not defined.
8223 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8224 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8226 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8228 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8229 * c-parse.gperf, c-gperf.h: Delete.
8230 (c-gperf.h was accidently re-added to the CVS repo in the rev
8231 1.16 commit by tromey)
8233 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8235 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8236 macro arguments when looking for the '('.
8237 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8238 2 when really parsing arguments; 1 when looking for '('.
8239 Always restore the lexer position.
8241 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8243 * longlong.h (umul_ppmm): Don't use a multiline string.
8245 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8247 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8248 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8249 t_bool in declaration because pcc can't combine volatile with typedef
8252 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8254 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8255 until when it is really needed.
8256 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8257 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8258 * i386.md (float?i?f splitter): Don't force source operand to memory
8260 (sse_movdfcc): Fix constraint.
8261 (sse_movdfcc splitter): Handle properly the second alternative.
8263 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8265 * cpplex.c (parse_string): Unconditionally pedwarn.
8267 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8270 * cppexp.c (parse_number): Update.
8271 * cpplex.c (parse_string): Pedwarn if multiline string does not
8272 result from a system header's macro.
8273 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8274 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8275 for function-like macros too.
8276 * c-lex.c (lex_number): Update.
8278 2001-03-03 Richard Henderson <rth@redhat.com>
8280 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8282 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8284 * combine.c (try_combine): If split with mode-changed scratch
8285 register didn't work, try the original mode.
8287 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8289 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8290 * config/c4x/c4x.h: Likewise.
8291 * stor-layout.c (compute_record_mode): Likewise.
8292 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8294 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8296 * configure.in: Kill tm.h. Include the files in the $tm_file
8297 list in all three of config.h, hconfig.h, tconfig.h, after the
8298 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8299 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8300 * configure: Regenerate.
8301 * Makefile.in (clean): Don't delete tm.h.
8303 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8304 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8305 those are not defined, set SEC and FEC to 0 and 1.
8306 * gcc.texi: Update to match.
8308 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8309 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8310 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8311 Include tconfig.h, not tm.h.
8313 * config/xm-lynx.h, config/xm-std32.h,
8314 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8315 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8316 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8317 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8318 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8319 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8320 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8321 config/i386/xm-i386.h, config/i860/xm-i860.h,
8322 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8323 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8324 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8325 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8326 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8327 config/pa/xm-linux.h, config/pa/xm-pa.h,
8328 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8329 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8330 config/pj/xm-pj.h, config/romp/xm-romp.h,
8331 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8332 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8333 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8334 config/v850/xm-v850.h, config/vax/xm-vax.h,
8335 config/we32k/xm-we32k.h:
8337 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8339 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8340 config/i370/xm-oe.h: Don't include tm.h. Don't define
8342 * config/vax/xm-vms.h: Don't include tm.h.
8344 * config/xm-lynx.h, config/avr/xm-avr.h,
8345 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8346 Delete; made empty by above changes.
8347 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8348 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8349 Don't include config/xm-lynx.h or tm.h.
8351 * config/xm-gnu.h: Don't include fcntl.h.
8352 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8354 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8356 2001-03-02 Richard Henderson <rth@redhat.com>
8358 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8359 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8361 2001-03-02 Richard Henderson <rth@redhat.com>
8363 * Makefile.in (OBJS): Add dwarf2asm.o.
8364 * dwarf2asm.c, dwarf2asm.h: New files.
8365 * dwarf2out.c (*): Use them.
8366 (size_of_uleb128, size_of_sleb128): Remove.
8367 (output_uleb128, output_sleb128): Remove.
8368 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8369 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8370 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8371 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8372 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8373 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8374 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8375 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8376 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8377 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8378 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8379 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8380 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8381 (dwarf2out_frame_debug): Remove unused variables.
8382 (output_loc_operands): Don't abort on 8 byte constants if
8383 host integers are wide enough.
8384 (output_symbolic_ref): Remove.
8385 (size_of_die): Don't assume 4 byte host integers.
8386 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8388 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8389 something stupid with HOST_WIDE_INT to long truncation.
8390 [CONST_DOUBLE]: Likewise.
8392 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8393 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8394 * config/arm/unknown-elf.h: Likewise.
8395 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8396 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8397 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8398 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8399 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8400 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8401 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8402 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8403 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8404 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8405 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8406 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8408 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8410 * cselib.c (hash_rtx): Cast enums to unsigned int.
8412 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8414 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8415 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8417 * c-format.c (C_STD_VER): Cast to int for comparisons.
8418 (check_function_format): Cast various enums to int for &.
8419 (maybe_read_dollar_number): Likewise.
8420 (check_format_info): Likewise.
8421 (check_format_info_main): Likewise.
8422 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8423 (safe_from_p): Likewise.
8424 * varasm.c (const_hash): Cast enum to int for %.
8425 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8426 pcc enum problems with < and ++ operators.
8427 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8428 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8429 (regclass_init): Change enum class to int to iterate over reg_classes.
8430 * genrecog.c (merge_trees): Cast enums for comparison.
8431 * rtl.h (GET_CODE): Cast to enum rtx_code.
8432 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8433 (GET_MODE): Cast to enum machine_mode.
8434 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8435 (GET_NOTE_INSN_NAME): Cast enum to int.
8436 * tree.h (TREE_CODE): Cast to enum tree_code.
8437 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8438 * timevar.c (timevar_print): Change loop variable id from enum to
8440 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8441 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8442 * toplev.c (compile_file): Cast enum DFI to int.
8443 (decode_d_option): Likewise.
8445 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8447 * cppinit.c (append_include_chain): Mark "after" include file name list
8448 as a system directory.
8449 * cpp.texi: Document new behavior.
8451 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8453 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8455 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8457 * cppfiles.c (struct include_file): Update.
8458 (stack_include_file): Use search_from.
8459 (cpp_included, find_include_file): Update.
8460 (cpp_execute_include): Update. ptr->name may not be
8461 null terminated. Use the new search_from member variable
8463 (_cpp_compare_file_date): Similarly.
8464 (search_from): New function, similiar to actual_directory.
8465 (actual_directory): Delete.
8466 (remap_filename): Update. loc->name may not be null terminated.
8467 (struct file_name_list): Rename search_path. Update.
8468 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8469 search_from and dir.
8470 (struct cpp_reader): Remove actual_dirs.
8471 * cppinit.c (struct cpp_pending): Update for renamed objects.
8472 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8473 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8474 * cpplib.h (struct cpp_options): Similarly.
8476 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8478 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8479 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8480 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8481 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8482 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8483 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8484 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8485 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8486 config/i370/xm-oe.h, config/i386/xm-aix.h,
8487 config/i386/xm-i386.h, config/i386/xm-osf.h,
8488 config/i860/xm-i860.h, config/i960/xm-i960.h,
8489 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8490 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8491 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8492 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8493 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8494 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8495 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8496 config/pj/xm-pj.h, config/romp/xm-romp.h,
8497 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8498 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8499 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8500 config/v850/xm-v850.h, config/vax/xm-vax.h,
8501 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8502 Do not define TRUE or FALSE.
8504 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8505 empty by above change.
8506 * config.gcc: Remove references to these files.
8508 * configure.in: Detect stdbool.h.
8509 * configure, config.in: Regenerate.
8510 * system.h: Include stddef.h here if available.
8511 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8512 Then set up a sensible boolean type at the very end.
8514 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8515 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8517 * hash.h: Delete 'boolean' typedef and related #undefs.
8519 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8520 all uses of 'boolean' with 'bool'.
8522 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8524 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8525 * cppexp.c (lex): Cast enums for comparison.
8526 * cppinit.c (parse_option): Cast enum for comparison.
8527 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8528 (cpp_output_token): Likewise.
8529 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8530 (cpp_avoid_paste): Cast enums for minus and comparison.
8532 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8534 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8535 field to all array elements.
8537 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8539 * cpphash.h (struct cpp_reader): Add print_version field.
8540 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8541 just set print_version and other flags as appropriate.
8542 (cpp_post_options): Print version here if print_version is set.
8544 * toplev.c (exit_after_options): New flag.
8545 (independent_decode_option): Don't exit here; just set
8547 (main): Exit after calling lang_hooks.post_options if
8548 exit_after_options is true.
8550 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8551 (merge_include_chains): Adjust comment to match code.
8553 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8555 * stringpool.c (set_identifier): New function.
8556 * tree.h: Prototype it.
8558 * c-parse.in: Kill D_YES. If compiled for objc, call
8559 save_and_forget_protocol_qualifiers from init_reswords.
8560 * objc/objc-act.c (remember_protocol_qualifiers,
8561 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8562 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8564 (save_and_forget_protocol_qualifiers): New function.
8565 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8567 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8569 * c-semantics.c (prune_unused_decls): Return error_mark_node
8570 instead of (tree) 1 to stop traversing the tree chain.
8572 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8574 Fix a problem introduced by Kenner's Feb 18 change.
8575 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8576 flag_cse_skip_blocks only temporarily, not for ever.
8578 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8580 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8581 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8583 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8584 before determining its register class.
8586 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8588 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8589 from reg 4 if current_function_calls_setjmp.
8590 (gen_nop_type): New function.
8591 (ia64_emit_nops): New function.
8592 (ia64_reorg): Call it.
8593 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8595 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8596 code not to try to optimize adds with anything but a REG destination.
8598 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8599 (INSN_PRIORITY_KNOWN): New accessor macro.
8600 * haifa-sched.c (priority): Use it instead of testing priority against
8603 2001-02-28 DJ Delorie <dj@redhat.com>
8605 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8606 since that doesn't work the way gcc wants on a generic m68k.
8608 2001-02-28 Richard Henderson <rth@redhat.com>
8610 * caller-save.c (save_call_clobbered_regs): Fix typo in
8611 comparison last change.
8613 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8615 * i386.c (pentium4_cost): New.
8616 (m_PENT4): New macro.
8617 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8618 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8619 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8620 x86_memory_mismatch_stall): Add Pentium4
8621 (x86_use_q_reg, x86_use_any_reg): Kill.
8622 (override_options): Add pentium4.
8623 (incdec_operand): Return 0 for pentium4.
8624 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8625 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8626 (TARGET_PENTIUM4): Define.
8627 (enum processor_type): Add PROCESSOR_PENTIUM4.
8628 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8629 * i386.md (attribute "cpu"): Add pentium4.
8630 * invoke.texi (march): Add pentium4.
8632 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8634 * i386.md (sse_mov?fcc*): New patterns and splitters.
8635 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8636 the SSE based conditional moves.
8638 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8640 * i386.md (attribute mode): Add "TI".
8641 (movsf_1): Add pxor support; remove constant propagation splitter.
8642 (movdf_integer): Likewise.
8643 (movdf_nointeger): Likewise.
8644 (movxf constant prop splitter): Handle all modes; update for SSE.
8645 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8646 * i386.c (standard_80387_constant_p): Rewrite.
8647 (standard_sse_constant_p): New.
8648 * i386-protos.h (standard_sse_constant_p): New.
8650 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8652 * i386.md (sse_setccsf, sse_setccdf): New.
8653 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8655 * i386.c (sse_comparison_operator): Accept the supported unordered
8656 comparses; be ready for fast_math.
8657 (print_operand): Support 'D'.
8659 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8661 * jump.c (reversed_comparison_code): Kill.
8663 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8665 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8668 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8670 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8671 add missing '%' in constraints.
8673 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8675 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8676 for HOST_BITS_PER_WIDE_INT == 32 too.
8678 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8680 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8682 (insert_save, insert_restore): New parameter save_mode.
8683 (init_caller_save): Update initialization of reg_save_code
8684 and reg_restore_code.
8685 (save_call_clobbered_regs): Compute save_modes and update calls to
8686 reg_save_code and reg_restore_code.
8687 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8688 of spill; update use of reg_restore_code.
8689 (insert_save): Likewise.
8690 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8691 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8692 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8694 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8696 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8697 noce_try_store_flag_inc, noce_try_store_flag_mask,
8698 noce_try_cmove_arith):
8699 Use reversed_comparison_code instead of reverse_comparison and
8700 can_reverse_comparison_p.
8702 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8704 * jump.c (reversed_comparison_code_parts): Allow reversal of
8705 unordered compares in -ffast-math mode; reverse ordered compares
8706 for FP even w/o -ffast-math.
8708 2001-02-27 Richard Henderson <rth@redhat.com>
8710 * print-rtl.c (print_rtx) [i]: Don't print field five on
8711 NOTEs other than NOTE_INSN_DELETED_LABEL.
8713 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8715 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8716 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8718 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8720 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8721 even if walk_subtrees is 0.
8722 * c-semantics.c (prune_unused_decls): Return a non-null value to
8723 stop traversing the tree chain.
8725 2001-02-27 DJ Delorie <dj@redhat.com>
8727 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8728 register, *then* define it as the new CFA.
8730 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8732 * pa.c (override_options): Promote -fpic to -fPIC.
8733 (legitimize_pic_address): Simplify due to removal of
8734 small PIC as a code generation option.
8735 (secondary_reload_class): Similarly.
8736 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8737 (PRINT_OPERAND_ADDRESS): Similarly.
8738 * pa.md (various patterns): Similarly.
8739 (small pic lo_sum pattern): Remove.
8741 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8744 * md.texi (min, max): Document
8746 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8748 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8749 TARGET_PARTIAL_REG_DEPENDENCY.
8750 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8752 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8754 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8756 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8758 * mips.c (mips_make_temp_file): Fix thinko in last change.
8760 2001-02-26 Jason Eckhardt <jle@redhat.com>
8762 * combine.c (known_cond): Do not reverse the condition when
8763 SMAX/UMAX is being considered and the condition is for equality
8766 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8768 2001-02-26 Philip Blundell <philb@gnu.org>
8770 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8772 * config/arm/linux-elf.h: Remove historical relics related to
8773 above configurations.
8774 * config/arm/linux-oldld.h: Delete.
8775 * config/arm/linux-elf26.h: Delete.
8777 2001-02-26 Jason Merrill <jason@redhat.com>
8779 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8781 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8782 recognize a tentative definition. Lose obsolete code.
8784 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8785 variables unless necessary, either.
8787 2001-02-25 Richard Henderson <rth@redhat.com>
8789 * ifcvt.c (struct noce_if_info): Add test_bb.
8790 (noce_get_alt_condition): New.
8791 (noce_try_minmax, noce_try_abs): New.
8792 (noce_operand_ok): New.
8793 (noce_process_if_block): Use them.
8794 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8796 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8798 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8801 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8803 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8804 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8806 (mips_asm_file_end): Free temp_filename here.
8808 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8810 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8811 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8813 * config/i386/i386.md (movstrsi): Handle FAIL case.
8815 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8817 * cppinit.c (builtin_array): Update.
8818 (init_builtins): Flag builtins to warn if redefined or
8819 undefined. Define __GXX_WEAK as a normal macro.
8820 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8821 * cpplib.h (NODE_WARN): New flag.
8822 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8823 Handle __STDC__ as a builtin only on Solaris.
8824 (warn_of_redefinition): Renamed from check_macro_definition.
8825 Reverse sense of test. Always warn if NODE_WARN.
8826 (_cpp_create_definition): Use warn_of_redefinition. Flag
8827 any macro beginning with "__STDC_" to require a mandatory
8828 warning if redefined or undefined.
8830 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8832 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8833 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8834 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8835 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8836 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8837 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8838 Don't define any of:
8839 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8840 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8841 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8842 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8843 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8845 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8846 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8849 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8850 Delete now-empty file.
8852 * alpha/vms.h: Define NEED_ATEXIT here...
8853 * alpha/xm-vms.h: ...not here.
8855 * i386/cygwin.h: Don't define PARAMS.
8856 * mips/mips.c: Don't prototype mktemp. Don't define
8857 P_tmpdir. Use make_temp_file to create temporary files.
8858 Don't be clever and delete temporary files early.
8859 * config.gcc: Drop references to deleted files. Don't define
8861 * gcc.texi: Don't mention USE_PROTOTYPES.
8863 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8865 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8866 (ix86_set_move_mem_attrs_1): Likewise.
8867 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8868 * config/i386/i386.md (movstrsi): Call it.
8870 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8872 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8873 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8874 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8875 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8877 (i750a-*-*): Error here if hosting on i750a.
8878 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8880 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8881 Remove (empty modulo comments).
8883 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8884 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8885 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8886 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8887 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8888 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8890 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8891 Remove reference to winnt.h in comment.
8892 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8894 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8896 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8897 used to set another biv.
8899 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8901 * tree.h (BLOCK_DEAD): New macro.
8902 (struct tree_block): New flag, dead_flag.
8903 * print-tree.c (print_node, case 'b'): Print missing fields.
8904 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8905 * function.c (identify_blocks): Enable test for misplaced notes.
8906 (all_blocks): Skip BLOCK_DEAD blocks.
8907 * integrate.c (integrate_decl_tree): Likewise.
8909 * errors.c (internal_error, trim_filename): New functions.
8910 (fancy_abort): Call internal_error.
8911 * errors.h (internal_error, trim_filename): New declarations.
8913 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8915 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8917 (EXTRA_CONSTRAINT): Formatting changes.
8919 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8921 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8923 2001-02-23 Per Bothner <per@bothner.com>
8925 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8926 so they can be called from java/jvspec.c.
8927 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8929 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8931 * i386.c (ix86_frame): New structure.
8932 (ix86_compute_frame_size): Kill.
8933 (ix86_compute_frame_layout): New.
8934 (ix86_save_reg): New.
8935 (ix86_can_use_return_insn_p): Use frame layout stuff.
8936 (ix86_expand_prologue): Likewise.
8937 (ix86_expand_epilogue): Likewise.
8938 (ix86_initial_elimination_offset): Likewise.
8939 (ix86_nsaved_regs): Use ix86_save_reg.
8940 (ix86_emit_save_regs): Likewise.
8942 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8944 * flow.c (find_sub_basic_blocks): New function.
8945 (split_block): Be ready for basic block introduced by CODE_LABEL.
8946 (commit_one_edge_insertion): Call find_sub_basic_block.
8948 * flow.c (make_edges): Add edge from entry for blocks starting with
8949 label having ALTERNATE_NAME
8951 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8953 * function.c (epilogue_done): Be ready for first basic block not
8954 containing PROLOGUE_END note.
8955 (reposition_prologue_and_epilogue_notes): Avoid placing
8956 PROLOGUE_END note between BASIC_BLOCK.
8958 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8960 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8962 2001-02-21 DJ Delorie <dj@redhat.com>
8964 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8965 check for current_function_has_nonlocal_goto from 1999-11-12.
8967 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8969 * diagnostic.c (trim_filename): No longer static.
8970 * toplev.h (trim_filename): Declare.
8971 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8972 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8973 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8974 (rtvec_check_failed_bounds): Likewise.
8975 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8977 * convert.c (convert_to_integer): Don't do unsigned unless result or
8978 both inputs are unsigned.
8980 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8983 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8985 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8987 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8989 * Makefile.in (resource.o): Add params.h dependence.
8990 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8991 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8992 * resource.c: Add dependence on params.h.
8993 (current_live_regs): Fix explanatory comment.
8994 (find_basic_block): Add new parameter to permit limiting search
8996 (mark_target_live_regs): Add new argument to find_basic_block call.
8997 (incr_ticks_for_insn): Likewise.
8999 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9001 * diagnostic.c (output_to_stream): Rename to
9002 output_buffer_to_stream. Loses the stream parameter.
9003 (init_output_buffer): Set diagnosic_buffer's stream.
9004 (flush_diagnostic_buffer): Adjust.
9005 (default_print_error_function): Likewise.
9006 (finish_diagnostic): Likewise.
9007 (verbatim): Likewise.
9009 * diagnostic.h (struct output_buffer): Add `stream' field.
9010 (output_buffer_attached_stream): New macro.
9012 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9014 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9015 check if either operand is divisible by C.
9016 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9017 If type is signed, consider negative numbers as well.
9019 2001-02-22 Richard Henderson <rth@redhat.com>
9021 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9022 reach .text instead of gp-relative relocs.
9023 * config/ia64/crtend.asm (.init): Likewise.
9025 2001-02-22 Andreas Jaeger <aj@suse.de>
9027 * extend.texi (C++ Attributes): Fix typo.
9029 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9031 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9032 functions, drop current_function_args_info.words test.
9033 (ia64_compute_frame_size): Mark syscall_linkage functions as
9034 using eight input registers.
9036 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9037 Bruce Korb <bkorb@gnu.org>
9039 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9040 * fixinc/README: Document how to convert sed substitutions
9041 to format style c_fix-es.
9042 * fixinc/fixincl.x: regen
9044 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9046 * gcc.c: Add comment explaining how to add a command-line option.
9047 Add title to specs language comment.
9049 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9051 * gcc.c (cc1_options): Add "-param".
9052 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9053 (option_map): Likewise.
9054 * toplev.c (display_help): Add entry for "--param".
9055 (independent_decode_option): Fix typographical error.
9057 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9058 Bernd Schmidt <bernds@redhat.com>
9059 Jan Hubicka <jh@suse.cz>
9061 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9062 (function_arg): Likewise.
9064 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9066 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9068 2001-02-21 Kazu Hirata <kazu@hxi.com>
9070 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9074 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9076 * flow.c (init_propagate_block_info): Canon address and use single_set
9077 for killing dead memory stores.
9079 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9081 * Makefile.in (reorg.o): Add params.h dependence.
9082 * params.def: Fix typographical error in comment.
9083 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9084 * params.h: Modify introductory comment.
9085 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9086 * reorg.c: Add dependence on params.h.
9087 (redundant_insn): Add parameterized throttle for search.
9088 (fill_simple_delay_slots): Add a comment explaining a variable.
9089 Move conditional out of loop, simplifying code.
9090 (fill_eager_delay_slots): Fix typographical error in comment.
9092 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9094 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9096 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9097 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9099 2001-02-21 Jason Merrill <jason@redhat.com>
9101 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9102 (struct tree_decl): Add uninlinable bitfield.
9103 * c-decl.c (duplicate_decls): Set it.
9104 * integrate.c (function_cannot_inline_p): Check it.
9106 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9107 DW_AT_MIPS_linkage_name to abstract methods.
9108 (dwarf2out_abstract_function): Emit class context before calling
9109 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9110 (gen_subprogram_die): Remove obsolete code.
9111 (gen_member_die): Don't include clones in the member list.
9112 (gen_decl_die): Emit abstract info for clone origin.
9113 * dwarfout.c (output_type): Don't include clones in the member list.
9114 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9115 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9116 DECL_ABSTRACT on a function that already has it set.
9118 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9119 (get_subprogram_die): Pass it in.
9121 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9123 * flow.c (mark_set_1): Make not_dead unsigned long. For
9124 non-pseudos, use it as a bitmask of the hard regs that
9127 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9129 * cppfiles.c: Update comments.
9130 (_cpp_read_file): Don't check for NULL filenames any more.
9131 * cppinit.c (cpp_start_read): Don't do canonicalization of
9132 in_fname and out_fname. Use the passed file name exclusively.
9133 (_cpp_handle_options): Don't treat "-" as a command line option,
9134 but as a normal filename.
9135 (_cpp_post_options): Canonicalize in_fname and out_fname.
9136 * cppmain.c (printer_init): Don't check out_fname for NULL.
9137 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9138 (init_c_lex): Update, and use "" to represent stdin to CPP.
9141 2001-02-20 Will Cohen <wcohen@redhat.com>
9143 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9144 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9145 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9148 2001-02-20 Stan Shebs <shebs@apple.com>
9150 * config/rs6000/rs6000.c (output_cbranch): Output branches
9151 on separate lines instead of using ';' to separate.
9153 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9155 * cppinit.c (set_lang): Move builtin handling to...
9156 (init_builtins): ...here.
9157 (_cpp_create_reader): Move call to set_lang.
9159 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9161 * stmt.c (expand_return): If an attempt is made to return the
9162 error_mar_node, treat the return like a return without a value.
9164 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9166 * sibcall.c (skip_copy_to_return_value): Call
9167 identify_call_return_value here, and return orig_insn if it
9168 returns zero. Hardret and softret arguments now unnecessary.
9169 (call_ends_block_p): Don't call identify_call_return_value here.
9171 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9173 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9174 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9176 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9178 * pa.c (move_operand): Accept code to load the address of a
9179 symbol out of the DLT as a valid move operand.
9180 (print_operand, case 'A'): New to handle generating a DLT
9181 reference for a LO_SUM expression.
9182 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9183 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9185 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9187 * README, cpp.texi, gcc.texi, version.c: Update version number to
9189 * cpp.1, gcov.1, gcc.1: Regenerate.
9191 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9193 * cppfiles.c (stack_include_file): Generate dependencies
9194 here, and manage include_count here too.
9195 (PRINT_THIS_DEP): Delete.
9196 (_cpp_execute_include): Do not generate dependencies here,
9197 apart from the case of a missing header. Do not manage
9199 (_cpp_read_file): Leave dependency generation to
9202 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9204 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9205 target_cpu_default. Remove dead assignment to
9208 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9210 * regclass.c (contains_reg_of_mode): Make global.
9211 (init_reg_sets): Remove contains_reg_of_mode; take into account
9212 CLASS_MAX_NREGS when looking for the proper mode.
9213 (dump_regclass): Dump only classes considered for the pseudo.
9214 (regclass): Use contains_reg_of_mode.
9216 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9218 * gcc.c (do_spec_1): 'n' for printing notices.
9219 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9221 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9223 * reg-stack.c (next_flags_user): Use current_block->end
9224 (swap_rtx_condition): Look for next user if flags don't die;
9225 give up on CALL_INSNs; use current_block->end.
9227 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9229 * sibcall.c (call_ends_block_p): New function.
9230 (optimize_sibling_and_tail_recursive_call): Use it.
9232 2001-02-18 Kazu Hirata <kazu@hxi.com>
9234 * config/h8300/h8300.md: Update copyright.
9235 (andsi3): Do not output an extra newline character.
9237 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9239 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9240 FNDECL may be unused.
9242 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9243 follow jumps after first run.
9244 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9245 it doesn't change any jumps.
9247 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9249 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9250 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9251 (mostlyclean): Corresponding changes.
9252 * rtlanal.c (hard-reg-set.h): Include.
9253 (rtx_unstable_p): Do not treat the argument pointer specially
9254 if it is not a fixed register.
9255 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9257 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9259 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9260 against last real insn in basic block.
9261 Rework to avoid gotos.
9263 * Makefile.in (gcse.o): Now includes ggc.h.
9264 * gcse.c: Include ggc.h.
9265 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9266 (try_replace_reg): Remove warning of uninitialize variable.
9267 (process_insert_insn): Call invalid_insn_p to validate insn.
9268 * recog.c (insn_invalid_p): Now global.
9269 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9270 * recog.h (insn_invalid_p): New declaration.
9272 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9274 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9275 assignments from FP constants since 'Y' output code can't handle it.
9276 (eligible_for_sibcall_delay): Likewise.
9278 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9279 Call fancy_abort directly, passing args.
9280 (print_rtl_and_abort): Now a macro, like fancy_abort.
9282 * final.c (output_operand_lossage): Use internal_error, not error.
9284 2001-02-18 Shane Nay <shane@agendacomputing.com>
9286 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9287 structure shift insns.
9289 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9291 * invoke.texi (-fsquangle): Remove documentation.
9292 (-fname-mangling-version): Likewise.
9294 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9296 * optabs.c (expand_abs): Remove reference to
9297 HAVE_contitional_arithmetic.
9298 * combine.c (simplify_set): Likewise.
9300 2001-02-18 Richard Henderson <rth@redhat.com>
9302 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9305 2001-02-18 Richard Henderson <rth@redhat.com>
9307 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9309 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9311 * reload1.c (reload_cse_simplify_set): Fix typo.
9313 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9315 * diagnostic.c (_fatal_insn): Decrement errorcount.
9317 * invoke.texi (-I): Add note avoiding use for system header files.
9319 * rtl.h (add_clobbers): Remove duplicate declaration.
9320 * recog.h (added_clobbers_hard_reg_p): New declaration.
9321 * genemit.c (struct clobber_pat): New field has_hard_reg.
9322 (gen_insn): Record if added clobbers clobber hard reg.
9323 (gen_split): Avoid unused warning if number of operands is 0.
9324 (output_added_clobbers_hard_reg_p): New function.
9327 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9329 * pa.c (hppa_expand_prologue): Simplify code storing return
9330 pointer. For large (>=8k) frames with a post_store, adjust stack
9331 pointer by 8k-64 first rather than by 64. When testing with
9332 VAL_14_BITS_P, always use the actual value rather than the value
9333 negated. Add blockage to prevent scheduling of spills before
9334 stack frame has been created.
9335 (hppa_expand_epilogue): Simplify code loading return pointer.
9336 Allow a slightly larger range for merge_sp_adjust_with_load case.
9337 When testing with VAL_14_BITS_P, always use the actual value.
9339 * pa.c (pa_adjust_insn_length): Check that block move
9340 pattern is a set before looking at operands.
9342 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9344 * fold-const.c (fold_binary_op_with_conditional_arg): New
9345 function, split out from ...
9347 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9348 conditional arms that throw exceptions.
9350 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9353 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9355 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9356 define HAVE_DECL_* to 1 to mask potential backup declarations.
9357 * configure: Regenerated.
9359 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9361 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9363 2001-02-17 Richard Henderson <rth@redhat.com>
9365 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9366 when replacing a memory load with a register.
9368 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9369 Jan Hubicka <jh@suse.cz>
9371 * recog.c (validate_replace_src_1): New.
9372 (validate_replace_src_data): Likewise.
9373 (validate_replace_src): Use note_uses.
9374 * rtl.h (note_uses): Declare.
9375 * rtlanal.c (note_uses): New.
9377 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9379 * reg-stack.c (stack_def): Make field reg unsigned.
9380 (remove_regno_note): Unsignetize parameter.
9382 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9384 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9385 shladd_operand() call.
9387 2001-02-16 Bruce Korb <bkorb@gnu.org>
9388 Rodney Brown <RodneyBrown@mynd.com>
9390 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9391 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9392 machine restrictions
9393 * fixinc/fixincl.x: regen
9395 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9397 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9399 (hash_scan_insn): Clean up calls to hash_scan_set.
9400 (compute_kill_rd): REGNO now unsigned.
9401 (try_replace_reg): Rework to use simplify_replace_rtx.
9402 (cprop_jump, cprop_cc0_jump): Likewise.
9403 (cprop_insn): Call find_reg_equal_equiv_note.
9404 Reflect changes to cprop_jump and cprop_cc0_jump.
9406 * recog.c (validate_replace_src): Replace in operands of
9407 ZERO_EXTRACT in SET_DEST.
9409 * cse.c (new_label_ref): New variable.
9410 (insert): Set it instead of recorded_label_ref.
9411 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9412 CODE_LABEL for this function, and not already in REG_LABEL note.
9414 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9416 * resource.c (mark_referenced_resources): Fix typo in introductory
9418 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9421 2001-02-16 Jason Merrill <jason@redhat.com>
9423 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9425 (gen_subprogram_die): Don't abort on seeing a second definition if
9426 the previous one was abstract. Don't replace an abstract instance
9427 in the lookup table.
9429 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9430 gen_abstract_function.
9431 * dwarf2out.h: Declare it.
9432 * toplev.c (note_outlining_of_inline_function): New fn.
9433 * toplev.h: Declare it.
9434 * integrate.c (output_inline_function): Call it.
9435 * c-decl.c (duplicate_decls): Call it when redefining an extern
9436 inline. Don't inline the new defn.
9438 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9440 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9442 * .gdbinit: Rename to gdbinit.in.
9443 * gdbinit.in: New file,
9444 * configure.in: Generate .gdbinit from gdbinit.in.
9445 * configure: Regenerated.
9446 * Makefile.in (distclean): Always remove .gdbinit.
9448 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9450 * objc/objc-act.c (start_class): Register implemented_classes with
9453 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9455 * cppfiles.c (_cpp_make_system_header): Generate a file
9458 2001-02-15 Jim Meyering <meyering@lucent.com>
9460 * Makefile.in (install-common): Don't depend on installdirs here.
9461 Instead, make each of the lang.install-common targets (e.g.,
9462 c++.install-common in cp/Make-lang.in) depend on it.
9463 (install-driver): Depend on installdirs.
9465 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9467 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9469 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9472 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9474 * invoke.texi (--param): Document.
9476 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9478 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9480 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9482 * i386.md (extendsfdf2_2): Fix constraints.
9484 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9486 * i386.md (fop_df_3 splitter): Fix operand number.
9488 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9490 * invoke.texi (-mreg-alloc): Nuke.
9491 * i386.c (ix86_reg_alloc_order, regs_allocated,
9492 order_regs_for_local_alloc): Nuke.
9493 (override_options): Kill reg_alloc code.
9494 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9495 (REG_ALLOC_ORDER): SSE goes before I387.
9496 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9497 (ix86_reg_alloc_order): Likewise.
9498 * i386-protos.h (ix86_reg_alloc_order): Kill.
9500 2001-02-14 Richard Henderson <rth@redhat.com>
9502 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9504 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9506 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9508 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9510 * i386-protos.h (ix86_memory_move_cost): Move offline.
9511 * i386.c (ix86_register_move_cost): Compute properly cost of
9512 SSE, MMX and i387 instructions.
9513 (*_cost): Add costs of SSE/MMX moves.
9514 (ix86_memory_move_cost): Move offline from ....; Likewise.
9515 * i386.h (MEMORY_MOVE_COST): .... here;
9516 (struct processor costs): Add new fields to represent costs
9519 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9521 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9522 move_cost together with Matt Kraai's fix.
9524 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9526 * Makefile.in (OBJS): Add params.o.
9528 2001-02-14 Richard Henderson <rth@redhat.com>
9529 DJ Delorie <dj@redhat.com>
9531 * jump.c (jump_optimize_1): When we delete a conditional jump
9532 preceeding a non-conditional jump to effectively the same place,
9533 make sure that the combined jump skips any clobber insns between
9536 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9538 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9540 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9542 * Makefile.in (toplev.o): Depend on params.h.
9543 (intergate.o): Likewise.
9544 (params.o): New target.
9545 * flags.h (inline_max_insns): Remove.
9546 * integrate.c: Include params.h.
9547 Use MAX_INLINE_INSNS instead of inline_max_insns.
9548 * params.c: New file.
9549 * params.h: Likewise.
9550 * params.def: Likewise.
9551 * toplev.c: Include params.h.
9552 (lang_independent_params): New variable.
9553 (decode_f_option): Use the param machinery instead of setting
9555 (independent_decode_option): Handle "--param name=value".
9556 (main): Register language-independent parameters.
9558 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9560 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9562 2001-02-14 Richard Henderson <rth@redhat.com>
9564 * regclass.c (init_reg_sets_1): Revert last two changes.
9566 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9568 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9569 (variable_size): Call put_pending_size.
9570 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9571 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9572 sizes list, put newly created SAVE_EXPR there as well.
9574 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9576 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9577 (errata_find_address_regs): load_group has only 2 entries.
9578 (errata_emit_nops): Likewise. shladd is not problematic.
9579 Clear last_group if nop was emitted.
9580 (fixup_errata): load_group has only 2 entries.
9583 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9585 * c-lex.c (lex_number): Only warn traditionally for U suffix
9586 outside system macros.
9587 * cppexp.c (parse_number): Similarly.
9588 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9589 * cppmacro.c (struct cpp_macro): New member node.
9590 (parse_args): Only warn about missing rest args if not
9592 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9593 (cpp_sys_objmacro_p): New.
9594 (_cpp_create_definition): Store the node with the macro defn.
9595 Remember if the macro is defined in a system header.
9597 2001-02-13 DJ Delorie <dj@redhat.com>
9599 * configure.in (check_languages): determine languages to check
9600 * Makefile.in (check-c++): alias for check-g++
9601 (check-f77): alias for check-g77
9602 (CHECK_TARGETS): depend on configured languages
9604 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9606 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9607 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9608 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9609 (sqrtextendsfdf2): Disable for SSE2.
9611 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9613 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9614 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9615 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9616 (sqrtextendsfdf2): Disable for SSE2.
9618 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9620 * i386.md (movsfcc_1): Support integer cmove instruction.
9621 (movdfcc_1): Likewise; new splitter.
9623 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9625 * i386.c (output_fp_compare): Support SSE.
9626 (prepare_fp_compare_args): SSE comparisons always support memory.
9627 * i386.h (TARGET_CMOVE): SSE imply cmove.
9628 * i386.md (cmp?f2): Enable for SSE too.
9629 (cmpfp_i*): Support SSE.
9631 (cmpfp_i_sse_only): New.
9632 (s*, b* fp expanters): Enable for SSE too.
9633 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9636 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9638 * regclass.c (init_reg_sets_1): Silence warning.
9640 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9642 * i386.md (sqrt?f2): Change to expander.
9643 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9645 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9647 * rtlanal.c (find_reg_equal_equiv_note): New function.
9648 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9649 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9650 * rtl.h: Add declarations for above functions.
9652 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9654 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9656 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9657 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9658 * flow.c (mark_regs_live_at_end): Likewise.
9659 (calculate_global_regs_live): Likewise.
9660 * gcse.c (compute_hash_table): Likewise.
9661 (compute_kill_rd): Likewise.
9662 * resource.c (mark_target_live_regs): Likewise.
9663 * rtl.h (INVALID_REGNUM): New macro.
9665 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9667 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9669 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9671 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9674 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9676 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9678 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9679 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9680 (fop_sf_1_sse, fop_df_1_sse): New patterns
9681 (fop_*): Disable float_extend and float patterns for SSE compilation.
9682 * i386.c (output_387_binary_op): Support SSE.
9684 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9686 * i386.md (dummy_extendsfdf2): Support SSE2
9687 (extendsfdf2): Enable if 80387 or SSE2.
9688 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9689 and no MIX_I387_SSE2
9690 (extendsfdf2_1_sse_only): New pattern.
9691 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9693 (truncdfsf2_1): Support SSE.
9694 (truncdfsf2_2): Support SSE.
9695 (truncdfsf2_2_1_sse): New pattern.
9696 (fixtruncsfsi2): Always use SSE if available.
9697 (fix_truncsfsi_sse): New pattern.
9698 (fix_truncdfsi_sse): New pattern.
9699 (floatsis?f2): Support SSE.
9700 (floatsidf2_i387): New pattern.
9701 (floatsidf2_sse): Likewise.
9703 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9705 * configure.in: Use "have_gnat" variable, not "gnat".
9706 * configure: Regenerated.
9708 * config/sparc/sparc.c (function_value): Treat all non-record
9709 aggregate types like used to treat UNION_TYPE.
9711 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9713 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9714 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9716 (MASK_MIX_SSE_I387): New.
9717 (TARGET_SSE): SSE2 imply SSE.
9718 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9719 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9720 (enum reg_class): Add new classes.
9721 (REG_CLASS_NAMES): Likewise.
9722 (REG_CLASS_CONTENTS): Likewise.
9723 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9724 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9725 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9726 (CLASS_MAX_NREGS): Use new macros.
9727 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9728 * i386.md (pushsf, movsf): Support SSE.
9729 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9730 splitters to use ANY_FP_REGNO_P.
9731 (movdf_nointeger, movdf_integer): Likewise.
9733 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9735 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9736 (try_combine): Use it.
9738 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9740 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9741 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9742 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9743 (REGISTER_MOVE_COST): Likewise.
9744 * i386-protos.h (ix86_secondary_memory_needed,
9745 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9746 * i386.c (ix86_secondary_memory_needed,
9747 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9749 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9751 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9752 (HARD_REGNO_MODE_OK): Move offline to ....
9753 * i386.c (ix86_hard_regno_mode_ok) ... here;
9754 refuse all incorrect modes.
9755 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9757 2001-02-13 Richard Henderson <rth@redhat.com>
9759 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9760 entire operator; replicate that and match_dup the operands.
9761 (cmp_ccx_arith_op_set): Likewise.
9762 (cmp_cc_arith_op_not_set): Likewise.
9763 (cmp_ccx_arith_op_not_set): Likewise.
9765 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9767 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9769 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9771 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9772 (TARGET_NO_BITFIELD_WORD): New macro.
9773 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9774 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9776 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9778 * cselib.c: New file, from simplify-rtx.c.
9779 * simplify-rtx.c: Remove cselib parts.
9780 * Makefile.in: Add cselib.o.
9782 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9784 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9785 (setup_incoming_varargs): Remove warning.
9787 * config/rs6000/rs6000.c (validate_condition_mode): When
9788 flag_fast_math, allow floating-point conditionals to be reversed.
9789 (rs6000_generate_compare): When flag_fast_math, don't generate
9790 cror operations for FP conditionals.
9792 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9794 (ASM_SPEC): Likewise.
9795 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9796 (CC1_SPEC): Likewise.
9797 (LINK_TARGET_SPEC): Likewise.
9798 (CPP_ENDIAN_SPEC): Likewise.
9799 * Makefile.in (check-consistency): New target.
9801 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9803 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9804 "return type defaults" warning for functions with return type
9806 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9807 function declarations by default rather than only when pedantic.
9809 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9811 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9814 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9816 * extend.texi (Deprecated): Deprecate new initializer lists.
9818 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9820 * mkdeps.c (deps_add_default_target): Robustify. Add
9821 basename component only.
9822 * cpp.texi (-M): Describe how default target is generated.
9823 * invoke.texi (-M): Likewise.
9825 2001-02-12 Kazu Hirata <kazu@hxi.com>
9827 * toplev.c (push_float_handler): Remove.
9828 (pop_float_handler): Remove.
9829 * toplev.h: Remove prototypes for the above functions.
9831 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9833 * c-common.c (constant_fits_type_p): New function.
9834 (convert_and_check): Use it.
9836 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9838 * Makefile.in (GXX_ABI_FLAG): Don't define.
9839 * configure.in (--enable-new-gxx-abi): Remove option.
9840 * config.in: Regenerated.
9841 * configure: Likewise.
9843 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9845 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9847 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9848 regular basic block, and arrange for all edges into it to switch
9851 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9853 * Makefile.in (distclean): Do not remove .gdbinit.
9855 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9857 * Makefile.in (gcc.o): Fix typos.
9858 (protize.o): Likewise.
9859 (unprotoize.o): Likewise.
9861 2001-02-11 Richard Henderson <rth@redhat.com>
9863 * tree.c (build1): Check for null operand in last change.
9865 2001-02-11 Richard Henderson <rth@redhat.com>
9867 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9868 (fold): Don't assume a constant isn't foldable.
9869 * tree.c (build): Set TREE_CONSTANT for an expression with no
9870 side-effects and constant operands.
9873 2001-02-10 Richard Henderson <rth@redhat.com>
9875 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9877 2001-02-10 Anthony Green <green@redhat.com>
9879 * cpp.texi (Standard Predefined): Add documentation for
9882 * c-common.c (combine_strings): Improve warning message.
9884 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9886 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9888 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9890 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9892 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9895 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9897 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9900 2001-02-09 Nick Clifton <nickc@redhat.com>
9902 * config/arm/arm.md: Change output contraint on post inc
9903 load/store multiple patterns to be a read/write contraint.
9905 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9907 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9908 .o files when using the -M options.
9910 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9911 David Edelsohn <edelsohn@gnu.org>
9913 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9914 handle DImode constants. Use one TOC entry for SImode and smaller
9915 constants, aligned properly.
9917 2001-02-08 Jason Merrill <jason@redhat.com>
9919 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9920 about the SP adjustment for saving the static chain pointer.
9921 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9922 offset when setting a temporary CFA register.
9924 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9926 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9927 powerpc-*-chorusos* .
9928 * config/rs6000/chorus.h : New file.
9929 * config/i386/chorus.h : New file.
9930 * config/sparc/chorus.h : New file.
9931 * config/sparc/t-chorus-elf : New file.
9933 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9935 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9936 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9937 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9938 (__WCHAR_TYPE__): Correct macro name.
9940 2001-02-08 Richard Henderson <rth@redhat.com>
9942 * config/i386/i386.c (ix86_frame_pointer_required): New.
9943 (ix86_setup_frame_addresses): New.
9944 (struct machine_funciton): Add accesses_prev_frame.
9945 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9946 ix86_frame_pointer_required.
9947 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9948 (SETUP_FRAME_ADDRESSES): New.
9949 * config/i386/i386-protos.h: Update.
9950 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9951 from FRAME_POINTER_REQUIRED.
9952 * config/i386/svr3gas.h: Likewise.
9953 * config/i386/sysv3.h: Likewise.
9954 * config/i386/v3gas.h: Likewise.
9956 2001-02-08 Richard Henderson <rth@redhat.com>
9958 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9959 calculation of the number of integer registers required.
9960 (function_arg_record_value): Likewise.
9962 2001-02-08 Jason Merrill <jason@redhat.com>
9964 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9965 two. Print file and line with "confused" message.
9967 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9969 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9971 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9973 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9975 * final.c (cleanup_subreg_operands): The address of a MEM can
9978 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9981 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9983 * gcc.texi (Incompatibilities): Update documentation of
9984 preprocessing numbers.
9986 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9988 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9990 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9992 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9994 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9995 * gcc.c (struct compiler): Add cpp_spec field.
9996 (input_file_compiler): New variable.
9997 (do_spec_1): Allow a particular compiler to handle `%C'
9999 (main): Store the current compiler in input_file_compiler.
10000 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10002 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10004 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10005 * cppinit.c (cpp_create_reader): Initialize them.
10006 (append_include_chain): cxx_aware arg might be unused.
10007 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10008 keywords and give them their phase 7 meaning. Pedwarn about
10009 this unless '__bool_true_false_are_defined' is defined.
10011 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10013 * lcm.c (optimize_mode_switching): Emit mode_set before the
10014 JUMP_INSN of an abnormal edge.
10016 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10018 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10019 a scheduling barrier at the end.
10021 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10023 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10025 * config/sh/sh.md (reload_outsf): Removed.
10026 (movsf_ie): Introduce constraints for FPUL loads and stores.
10027 (reload_insf): Broaden the output constraint.
10029 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10031 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10032 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10034 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10036 * final.c: Revert my previous changes.
10037 * output.h: Make profile_label_no extern.
10038 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10039 for generating label.
10041 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10043 * config/i386/djgpp.h: Add comments about standard paths.
10044 (MD_EXEC_PREFIX): Undefine before defining.
10045 (MD_STARTFILE_PREFIX): New.
10047 2001-01-30 Bruce Korb <bkorb@gnu.org>
10049 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10050 (load_file): do not rely on load_file_data() to close file pointer
10051 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10052 fixinc/inclhack.def(irix_limits_const): add test_text
10054 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10056 * cppexp.c (parse_defined): Improve diagnostics for invalid
10059 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10061 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10063 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10065 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10066 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10067 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10068 (rs6000_output_symbol_ref): New function.
10069 (output_toc): Use VTABLE_NAME_P.
10071 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10073 * print-tree.c (print_node, case PARM_DECL):
10074 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10076 * stor-layout.c (reference_types_internal): New variable.
10077 (internal_reference_types): New function.
10078 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10079 * tree.h (internal_reference_types): New declaration.
10081 * cse.c (find_best_addr): Fix typo in computing cost.
10083 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10085 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10086 and this is the sum of a pointer and a constant, we know the result
10088 (num_sign_bit_copies, case PLUS): Likewise.
10089 * explow.c (convert_memory_address): Remove opposite SUBREG.
10090 * function.c (instantiate_new_reg): New function (from common code).
10091 (instantiate_virtual_regs_1): Call it.
10092 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10093 if pointers sign- or zero-extend.
10094 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10095 If pointers extend unsigned, use inside of SUBREG.
10096 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10098 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10100 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10101 subdir of gcc_gxx_include_dir.
10102 (gcc_gxx_target_include_dir): Remove.
10104 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10106 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10107 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10108 a high-level description.
10110 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10112 * final.c: Move the declaration of profile_label_no to ...
10113 * output.h: ... here.
10114 * function.c (expand_function_start): Call PROFILE_HOOK.
10115 * config/rs6000/aix.h: Define PROFILE_HOOK.
10116 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10117 * config/rs6000/rs6000.c (output_profile_hook): Define.
10118 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10119 output_profile_hook.
10120 tm.texi : Explain new macro PROFILE_HOOK.
10122 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10124 * extend.texi (Extended Asm): Do not say that semicolon is always
10125 a valid line-breaking character for GNU assemblers. Use
10126 newline-tab as the most commonly supported syntax. Use
10127 newline-tab rather than semicolon in multi-insn examples.
10129 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10131 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10133 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10134 David Edelsohn <edelsohn@gnu.org>
10136 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10137 code for AIX, even without flag_pic.
10139 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10141 * c-typeck.c (common_type): push and pop binding level around
10142 calling common_type on function parameters.
10144 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10146 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10148 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10150 * config/mips/mips.c (override_options): Fix typo in last change.
10151 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10152 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10154 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10156 * invoke.texi (-fdump-class-layout): Document.
10157 (-fdump-translation-unit): Use `=' as filename separator.
10159 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10161 * Makefile.in (s-mlib): Don't build multilibs if
10162 --disable-multilib.
10163 (DRIVER_DEFINES): Adjust accordingly.
10165 (protoize.o): Likewise.
10166 (unprotoize.o): Likewise.
10167 * configure.in: Recognize --enable-multilib.
10169 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10171 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10173 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10174 * configure.in: Remove --enable-libstdcxx_v3 support.
10175 * configure: Regenerated.
10177 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10179 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10180 Call abort instead of fatal.
10181 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10182 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10183 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10184 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10185 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10186 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10188 * diagnostic.h (set_internal_error_function): Renamed.
10189 * toplev.h (internal_error): Renamed from fatal.
10190 (pfatal_with_name): Deleted.
10191 (fatal_io_error): Now has printf-style arguments.
10192 * diagnostic.c (pfatal_with_name): Deleted.
10193 (fatal_io_error): Rework to have args in printf-style.
10194 (set_internal_error_function): Renamed from set_fatal_function.
10195 (internal_error): Renamed from fatal.
10196 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10197 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10198 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10199 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10200 * flow.c (verify_flow_info): Likewise.
10201 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10202 * config/mips/mips.c (save_restore_insns): Likewise.
10204 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10205 * flow.c (verify_flow_info): Likewise.
10206 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10207 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10208 (avr_normalize_condition): Likewise.
10209 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10210 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10211 (limit_reload_class, double_reg_to_memory): Likewise.
10212 (print_operand_address, emit_1600_code_shift): Likewise.
10213 (gen_tst_reg, gen_compare_reg): Likewise.
10214 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10215 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10217 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10219 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10220 * objc/objc-act.c (build_ivar_chain): Likewise.
10221 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10223 * graph.c (clean_graph_dump_file): Likewise.
10224 * profile.c (init_branch_prob): Likewise.
10225 * objc/objc-act.c (objc_init): Likewise.
10227 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10228 * config/avr/avr.c (avr_override_options): Likewise.
10229 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10230 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10231 * config/h8300/h8300.c (h8300_init_once): Likewise.
10232 * config/mips/mips.c (override_options): Likewise.
10233 * config/i386/i386.c (override_options): Likewise, rework.
10234 * config/m68k/m68k.c (override_options): Likewise.
10236 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10238 * config/mips/mips.c (print_operand): Likewise.
10239 * hash.c (hash_allocate): Don't check for failure returns from
10240 obstack functions that can't fail.
10241 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10242 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10243 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10244 (get_object_reference): Likewise.
10246 2001-02-04 Nick Clifton <nickc@redhat.com>
10248 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10249 StrongARM1110, 10TDMI, and 1020T.
10251 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10253 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10255 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10257 * config/sh/sh.md (movdf load split): Pass register number to
10258 FP_OR_XD_REGISTER_P.
10260 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10262 * cppinit.c (BC): New macro.
10263 (builtin_array): Add __GXX_WEAK__.
10264 * cpplib.h (builtin_type): Add BT_WEAK.
10265 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10266 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10267 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10269 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10271 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10273 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10275 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10276 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10278 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10280 * cpphash.h: Rename ALIGN _ALIGN.
10281 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10283 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10285 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10286 compilation environment.
10287 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10288 control over location of cygwin includes and libs.
10290 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10292 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10294 2001-02-02 lars brinkhoff <lars@nocrew.org>
10296 * md.texi (Standard Names): remove reference to spur.md.
10298 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10300 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10301 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10302 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10303 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10304 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10306 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10308 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10309 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10310 number before reload.
10311 (c4x_adjust_cost): Return zero before reload.
10312 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10313 split before reload.
10315 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10317 * c4x.c (c4x_hard_regno_rename_ok): New.
10318 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10319 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10321 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10323 * diagnostic.h: Add missing "extern" in all declarations.
10325 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10327 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10328 as for gcc_gxx_include_dir.
10330 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10332 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10334 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10336 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10337 label before alignment to be used as the braf base address.
10338 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10340 (casesi_jump_2): Require at least TARGET_SH2.
10342 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10343 truncation to 32-bit doubles on -m3e and -m4-single-only.
10345 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10347 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10348 the default when building a shared object.
10349 (init_spec): Use it.
10350 * testsuite/lib/g++.exp: Include the directory where libgcc
10351 is located to the LD_LIBRARY_PATH list.
10352 * invoke.texi (-shared-libgcc): Document the cases in which
10353 GCC defaults to using the shared libgcc.
10355 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10357 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10358 unsigned is wide enough.
10359 (BITS_PER_SI): New.
10360 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10361 (si_to_float): Likewise.
10362 (float_to_si, float_to_usi): Use BITS_PER_SI.
10364 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10366 * dwarf2out.c: Added explanation of abbreviations.
10367 (def_cfa_1): Added comments listing DWARF2 instructions.
10368 (cfa_temp_reg): Removed in favor of cfa_temp.
10369 (cfa_temp_value): Removed in favor of cfa_temp.
10370 (cfa_temp): New global variable.
10371 (dwarf2out_frame_debug_expr): Added extensive introductory
10372 comments explaining the function's transformations. Revised to
10373 use cfa_temp. Added some rtx checking. Generalize IOR case.
10374 (dwarf2out_frame_debug): Revised to use cfa_temp.
10375 (output_aranges): Cast as "unsigned" to avoid warning.
10376 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10377 explain which instructions must be marked.
10379 2001-02-01 Richard Henderson <rth@redhat.com>
10381 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10384 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10386 * config/sh/crt1.asm (main_k): Modified so that start calls
10387 ___setup_argv_and_call_main.
10389 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10391 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10392 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10393 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10394 * cppmacro.c (builtin_macro): Set builtin flags here.
10395 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10396 (replace_args): Clarify intent.
10397 (cpp_get_token): Macro expansion tokens get the saved flags.
10399 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10402 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10404 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10407 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10409 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10410 returns Pmode pseudo, but we need ptr_mode.
10411 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10412 Remove bogus conversions; use HOST_WIDE_INT for size.
10413 Don't use TARGET if wrong mode.
10415 * config/i386/i386.c (ix86_compute_frame_size): Allow
10416 stack_alignment_needed to be non-default even if size is zero.
10418 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10420 * pa.c (hppa_init_pic_save): New function.
10421 * pa.h (hppa_init_pic_save): Declare.
10422 * pa.md (call, call_value, sibcall, sibcall_value): Use
10423 the above instead of duplicated code.
10425 * pa.c (hppa_encode_label): Correct size of alloca buffer
10426 so we don't overrun it. Correct leading `*' case.
10427 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10428 need to handle `*@'.
10429 (FUNCTION_NAME_P): Likewise.
10431 2001-01-31 Richard Henderson <rth@redhat.com>
10433 * config.gcc (alpha-osf5): Use float-i128.h.
10435 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10436 * config/float-i32.h: Likewise.
10437 * config/float-i64.h: Likewise.
10438 * config/float-sh.h: Likewise.
10439 * config/float-sparc.h: Likewise.
10441 2001-01-31 DJ Delorie <dj@redhat.com>
10443 * expmed.c (extract_bit_field): allow non-integral modes if we
10444 want to extract a whole register from itself.
10446 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10448 * c-typeck.c (set_init_index): If first is equal to last, assume as
10449 if it was not a range at all.
10451 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10453 * config/fp-bit.c: Include tm.h.
10454 (float_to_si): Don't assume SImode is 32-bits wide.
10455 (float_to_usi): Likewise.
10457 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10459 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10461 (typename): Call pending_xref_error after parsing typed_typespecs.
10462 * c-decl.c (lookup_tag): Give error immediately rather than
10463 leaving it pending if the tag of the wrong type is in the same
10465 (xref_tag): Don't pedwarn for forward declarations of enum types
10467 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10470 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10472 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10474 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10476 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10477 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10479 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10481 * cpphash.h (struct cpp_reader): New saved_flags.
10482 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10483 to avoid a paste after a pasted token.
10485 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10487 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10488 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10489 Wtype_MIN instead of LONG_MIN.
10491 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10493 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10495 * fixinc/fixincl.x: Regenerated.
10496 * fixinc/inclhack.def (irix_limits_const): New definition to
10497 convert "const" to "__const" in limits.h.
10499 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10501 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10503 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10505 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10506 when register dies in the insn.
10508 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10510 * diagnostic.c (fatal): Fix word wrap.
10512 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10514 * combine.c (try_combine): Fix SUBREG setting for
10515 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10517 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10519 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10522 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10524 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10526 * toplev.c (decode_W_option): Update warn_larger_than
10527 unconditionally for each processed switch.
10529 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10531 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10533 (hppa_expand_prologue): Delete code to save pic offset table register
10534 in the function prologue.
10535 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10536 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10537 table register at the beginning of the function after the prologue.
10539 2001-01-29 lars brinkhoff <lars@nocrew.org>
10541 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10543 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10544 Jeff Law <law@redhat.com>
10546 * pa.md (return): Revise comment for trivial return.
10547 (return_internal): Non-trivial return pattern for non-PIC code.
10548 (return_internal_pic): Non-trivial return pattern for PIC code.
10549 It uses the PIC register to ensure it is restored after
10551 (epilogue): Generate appropriate return for PIC and non-PIC code.
10553 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10555 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10557 2001-01-29 DJ Delorie <dj@redhat.com>
10559 * combine.c (if_then_else_cond): Pass the correct mode to
10560 operand_subword() for constants.
10562 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10564 * config/i386/cygwin.h: Add w32api to include search. Search different
10565 directories in a cross-build environment.
10567 2001-11-29 Tim Josling <tej@melbpc.org.au>
10569 * tree.h (TYPE_STUB_DECL): Add documentation.
10571 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10573 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10574 (sdbout_field_types): Likwise. Fix use of host_integerp.
10576 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10578 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10581 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10583 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10584 to use flag_gnu_linker.
10586 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10588 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10589 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10591 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10593 * tree.c, tree.h (build_parse_node): Remove; was identical to
10595 * c-lang.c (start_cdtor), objc/objc-act.c
10596 (build_module_descriptor): Use build_nt instead of
10599 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10601 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10602 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10603 not have any upper bits set.
10605 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10607 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10609 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10611 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10613 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10615 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10616 (integer_minus_one_node): Define.
10618 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10620 * Makefile.in (bootstrap2-lean): Fix typo.
10622 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10624 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10625 : Don't set fe_value.
10626 * cpplib.h (AVOID_LPASTE): New flag.
10627 (struct cpp_hashnode): Remove fe_value.
10628 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10629 * cppmacro.c (builtin_macro): Don't set flags here.
10630 (replace_args): Set AVOID_LPASTE flag on first token of an
10631 argument, and the token following it.
10632 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10633 macro expansion, and on the token following it. Do it for
10635 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10637 2001-01-27 Richard Henderson <rth@redhat.com>
10639 * config/alpha/t-ieee: Remove multilibbing.
10640 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10642 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10644 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10646 * Makefile.in: Remove all dependencies on defaults.h.
10647 * builtins.c: Don't include defaults.h.
10648 * c-common.c: Likewise.
10649 * c-decl.c: Likewise.
10650 * c-pragma.c: Likewise.
10651 * c-typeck.c: Likewise.
10652 * combine.c: Likewise.
10653 * i386.c: Likewise.
10654 * frame-ia64.c: Likewise.
10655 * cppexp.c: Likewise.
10656 * crtstuff.c: Likewise.
10657 * dbxout.c: Likewise.
10658 * dwarf2out.c: Likewise.
10659 * dwarfout.c: Likewise.
10660 * emit-rtl.c: Likewise.
10661 * except.c: Likewise.
10662 * expr.c: Likewise.
10663 * final.c: Likewise.
10664 * frame-dwarf2.c: Likewise.
10665 * libgcc2.c: Likewise.
10666 * optabs.c: Likewise.
10667 * profile.c: Likewise.
10668 * sdbout.c: Likewise.
10669 * toplev.c: Likewise.
10670 * tradcif.y: Likewise.
10671 * tree.c: Likewise.
10672 * varasm.c: Likewise.
10674 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10676 * builtins.c (expand_builtin_fputs): Use size_one_node when
10677 transforming into fwrite.
10679 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10681 * extend.texi (Attribute Syntax): New section.
10683 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10685 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10686 they didn't need fixing.
10688 2001-01-27 Janis Johnson <janis@us.ibm.com>
10690 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10692 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10693 to remove macro definitions that are duplicated from elfos.h.
10695 2001-01-27 Richard Henderson <rth@redhat.com>
10697 * config/i386/sco5gas.h: Move ...
10698 * config/usegas.h: ... here.
10699 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10701 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10703 * c-typeck.c (struct constructor_stack): Add range_stack member.
10704 (really_start_incremental_init): Clear it.
10705 (push_init_level): Save constructor_range_stack and clear it if
10706 pushing explicit braces.
10707 (pop_init_level): abort if constructor_range_stack is non-zero at
10708 explicit closing brace. Restore saved constructor_range_stack if
10711 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10713 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10714 into register was forced into memory.
10716 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10718 * Makefile.in: Remove uses of + before $(MAKE).
10720 2001-01-26 Richard Henderson <rth@redhat.com>
10722 * stmt.c (cost_table): Remove.
10723 (COST_TABLE, cost_table_initialized): New.
10724 (estimate_case_costs): Use the later instead of the former.
10725 (balance_case_nodes): Likewise.
10727 2001-01-26 Richard Henderson <rth@redhat.com>
10729 * alias.c (objects_must_conflict_p): Read-only slots may not
10730 conflict despite having the same type.
10732 2001-01-27 Michael Hayes <mhayes@redhat.com>
10734 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10736 (check_ext_dependant_givs): Initialise u_start_val and
10738 (load_mems): Make last_max_reg unsigned.
10739 (try_swap_copy_prop): Use INSN_P and initialise set.
10741 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10743 * README.AVR : Removed.
10745 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10747 * pa-64.h (text_section): Remove declaration.
10749 * pa.md (return_internal): Remove mode on PIC register use.
10751 2001-01-25 lars brinkhoff <lars@nocrew.org>
10753 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10754 ASM_CLOSE_PAREN): fix typos.
10756 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10758 * acconfig.h: Define `const' to the empty string if neither
10759 __STDC__ nor __cplusplus is defined.
10760 * config.in: Regenerated.
10762 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10764 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10765 * collect2.c (main): Delete importf. Add ".obj" file extension.
10766 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10767 (aix_std_libs): Add additional AIX libraries to skip.
10768 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10769 * config/rs6000/aix51.h: New file.
10771 2001-01-25 Michael Hayes <mhayes@redhat.com>
10773 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10774 (loop_insn_emit_before): No longer static.
10775 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10776 (loop_givs_rescan, load_mems): Likewise.
10777 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10778 (maybe_eliminate_biv_1):
10779 (move_movables): Replace emit_call_insn_before with
10780 loop_call_insn_hoist.
10781 * loop.h (loop_insn_emit_before): Add.
10782 * unroll.c (copy_loop_body): Replace emit_insn_before with
10783 loop_insn_emit_before.
10785 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10787 * diagnostic.c (fatal): Request preprocessed source.
10789 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10791 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10792 olddecl has argument types and newdecl has none, use the argument
10793 types from olddecl.
10795 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10797 * dwarf2out.c (prefix_of): New function. Determine longest common
10798 prefix of the two arguments. The units are whole path components.
10799 (output_file_names): When adding a new directory find the one entry
10800 with the longest common prefix already in the list. Artificially
10801 generate entry if there is none for this prefix.
10802 Fix test to check whether the zeroth directory entry is used.
10804 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10806 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10807 Changed all callers. Take it into account when deciding if a
10808 previously loaded value matches.
10810 2001-01-24 Richard Henderson <rth@redhat.com>
10812 * reload.c (find_reloads_subreg_address): Fail the substitution
10813 if the resulting address is insufficiently aligned.
10815 2001-01-24 DJ Delorie <dj@redhat.com>
10817 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10818 check the original operand's mode also.
10819 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10821 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10823 * c-parse.in (cast_expr): Move compound literals from here ...
10824 (primary): ... to here. Use standard terminology "compound
10825 literal" instead of "constructor expression".
10827 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10829 * gcc.1, cpp.1: Regenerate.
10831 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10833 * calls.c (emit_library_call_value_1): Memory slot for
10834 pass-by-reference argument should have the mode of the argument,
10835 not of the pointer to it.
10837 2001-01-24 Tom Tromey <tromey@redhat.com>
10839 * gcc.texi (G++ and GCC): Mention gcj manual.
10840 (Standards): Link to section of manual mentioning gcj/Java
10843 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10845 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10846 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10847 * tradcpp.c (main): Add -imacros or -include'd dependencies
10849 * cpp.texi (-M, -MM): Document -M -include behaviour.
10851 2001-01-24 Roger Collins <roger@ProProject.com>
10853 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10855 2001-01-24 Will Cohen <wcohen@redhat.com>
10857 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10858 whether registers are 32 bits or 64 bits in size.
10860 2001-01-24 Ben Elliston <bje@redhat.com>
10862 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10864 2001-01-24 Richard Henderson <rth@redhat.com>
10866 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10867 (builtin_longjmp): Use it instead of emit_indirect_jump.
10869 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10871 * bb-reorder.c (make_reorder_chain_1): Handle case where
10872 jump edge goes to the same block as the fallthru edge.
10874 2001-01-23 Jim Wilson <wilson@redhat.com>
10876 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10877 * frame.h (__ia64_personality_v1): Add prototype.
10878 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10879 prototype form. Add void * cast to first argument to personality
10881 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10882 (asctoe113): Likewise.
10883 * config/ia64/frame-ia64.c: Include eh-common.h.
10884 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10886 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10888 (itanium_split_issue): Add prototype.
10889 (gen_nop_type): Ifdef out.
10890 (find_best_packet): Initialize best_packet.
10891 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10893 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10894 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10895 (flushrs): Add explicit stop bit at end.
10896 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10899 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10901 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10903 * libgcc2.c (__terminate_func): Make variable static.
10904 (__terminate_set_func): New function to set __terminate_func.
10905 * libgcc2.h (__terminate_func_ptr): New typedef.
10906 (__terminate_set_func): New function.
10908 2001-01-23 Richard Henderson <rth@redhat.com>
10910 * flow.c (init_propagate_block_info): Don't consider unchanging
10911 memories for dead frame store elimination.
10913 2001-01-23 Richard Henderson <rth@redhat.com>
10915 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10916 * defaults.h: ... here.
10918 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10920 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10922 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10924 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10926 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10928 * rs6000.h (rs6000_return_addr): Move prototype from here...
10929 * rs6000-protos.h (rs6000_return_addr): ...to here.
10930 (rs6000_init_expanders): Delete prototype.
10932 2001-01-23 Nick Clifton <nickc@redhat.com>
10934 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10935 (Spec Files): Document %B and %j and %. and %v3 and %M and
10936 %{S*&T} spec switches.
10938 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10940 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10942 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10943 Neil Booth <neil@daikokuya.demon.co.uk>
10945 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10946 Have -Werror make pedantic warnings errors, like the
10949 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10951 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10953 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10955 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10956 * integrate.c (expand_inline_function): Initialize them.
10957 (subst_constants): If changing COMPARE so that both its arguments
10958 will be VOIDmode and the comparison mode will be lost, note
10959 compare_mode. Use the recorded compare_mode to optimize
10962 2001-01-23 Jason Merrill <jason@redhat.com>
10964 * dwarf2out.c (new_die): Use xcalloc.
10965 (output_die): Abort rather than emit a local reference to offset 0.
10967 2001-01-17 Andrew Haley <aph@redhat.com>
10969 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10970 of a saved register; return NULL instead.
10971 (copy_reg): Take a pointer to a source register rather than a
10973 (next_stack_level): Remember the address in the stack frame of all
10975 Use the saved register pointer array as the source of the CFA.
10976 (throw_helper): Rewrite. Unwind once rather than twice and keep
10977 track of saved registers as we go.
10979 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10981 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10982 * c4x.c (c4x_legitimize_reload_address): Remove.
10983 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10984 reload address for ldp(k) insn.
10986 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10988 * pa.md (return_internal): Add a USE of the PIC register to ensure
10989 it is restored after each call.
10990 (return expander): Corresponding changes.
10992 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10994 * rs6000.h (INIT_EXPANDERS): Delete.
10995 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10996 * rs6000.c (rs6000_override_options): Call *_machine_status from
10998 (rs6000_init_expanders): ...instead of here. Delete.
10999 (rs6000_mark_machine_status): New function.
11000 (rs6000_init_machine_status): Use xcalloc.
11001 (rs6000_return_addr): Generate RTX for the return address.
11002 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11003 (rs6000_stack_info): Use it.
11005 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11007 * gthr-win32.h: Include errno.h to get a declaration for
11008 EINVAL and _mingw.h if the target is mingw32.
11010 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11012 * cpp.texi: Correct typos.
11014 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11016 * explow.c (probe_stack_range): Ensure value passed to
11017 stack_check_libfunc is ptr_mode, not Pmode.
11019 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11021 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11022 case, don't use operand_subword to calculate a SUBREG that is
11025 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11027 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11029 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11030 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11031 valid. If not replace it by equivalent insns.
11033 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11035 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11036 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11037 (c4x_U_constraint, symbolic_address_operand): Likewise.
11038 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11040 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11041 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11042 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11043 anulling slot because of silicon bug.
11044 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11046 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11048 * cppexp.c (parse_charconst): Change `mask' type to agree
11051 2001-01-21 Richard Henderson <rth@redhat.com>
11053 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11054 pic_label_name in a linkonce section.
11056 2001-01-17 Philipp Thomas <pthomas@suse.de>
11058 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11060 * configure: Regenerate.
11062 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11064 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11065 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11067 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11069 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11070 If REVERSE nonzero then condition code in X must be reversed.
11071 (encode_section_info): Optimise if/else.
11072 (avr_function_value): Fix formatting.
11074 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11075 (difficult_branch): Likewise.
11076 (rvbranch): Likewise.
11077 (difficult_rvbranch): Likewise.
11079 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11081 * config/avr/libgcc.S: Fix comment.
11083 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11085 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11087 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11089 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11091 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11093 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11094 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11095 * configure, config.in: Regenerate.
11096 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11097 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11098 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11099 (doprint.o): New rule.
11101 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11103 * c-typeck.c (digest_init): Handle boolean types as scalars.
11105 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11107 * stmt.c (expand_return): Don't return anything if size is zero.
11108 Delete redundant assignment to BYTES.
11109 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11111 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11113 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11114 the same as the default library function names.
11115 * config/avr/avr.md: Document special characters after '%'.
11116 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11117 knowing which of the call-used registers are really clobbered.
11118 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11119 New. Both quotient and remainder from one libgcc.S call.
11120 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11121 clobber as few registers as possible.
11122 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11124 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11126 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11127 context of the top of the stack.
11129 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11131 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11132 (fixup_var_refs_insns): ...here.
11134 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11136 * function.c (fixup_var_refs_insns): Break up into
11137 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11138 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11139 [loop over hash table entries].
11140 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11141 fixup_var_refs_insns_with_hash, to match above changes.
11143 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11145 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11146 (libgcc.a): Likewise.
11147 (stmp-multilib): Likewise.
11148 (STAGE2_FLAGS_TO_PASS): Likewise.
11150 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11152 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11153 temporary if no_new_pseudos.
11155 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11157 * cppinternals.texi: Update.
11159 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11161 * arm.c (arm_init_builtins): Re-enable builtins.
11163 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11165 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11166 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11167 element to be null, and always expect an EXPR_LIST.
11168 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11169 * sched-deps.c (sched_analyze_1): Likewise.
11170 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11172 * regclass.c (max_set_parallel): New variable.
11173 (reg_scan): Take it into account in computation of max_parallel.
11174 (reg_scan_mark_refs, case SET): Compute it.
11176 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11178 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11179 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11181 2001-01-19 Jason Merrill <jason@redhat.com>
11183 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11184 for the abstract instance of an inline function.
11186 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11187 J"orn Rennecke <amylaar@redhat.com>
11189 * reload1.c (move2add_note_store): Treat all registers directly or
11190 indirectly derived from a base register as members of the same set
11192 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11193 of base register into account.
11195 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11197 * alias.c (find_base_value): Recognize TRUNCATE.
11198 (record_set): In PLUS case, invalidate if other summand is also a
11201 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11203 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11204 entry to be EXPR_LIST.
11205 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11206 be an EXPR_LIST (but not null, which other code doesn't allow).
11207 (note_stores): Properly handle PARALLEL in SET.
11208 Recursively call for top-level PARALLEL.
11209 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11210 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11212 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11214 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11216 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11217 not pfile->skipping (== 0).
11219 2001-01-17 Nick Clifton <nickc@redhat.com>
11221 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11224 2001-01-17 Jim Wilson <wilson@redhat.com>
11226 * invoke.texi (IA-64 options): Improve.
11228 2001-01-17 Tom Tromey <tromey@redhat.com>
11230 * invoke.texi (Optimize Options): Use `{}' to around @samp
11233 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11235 * invoke.texi (-fno-guess-branch-probability): New option.
11237 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11239 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11240 case of making new double-word constant.
11241 Revert last change: instead just test i3_subst_into_i2.
11243 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11245 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11246 Use q constraints instead of r.
11248 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11250 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11251 (machine_function): Define.
11252 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11253 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11254 pa_free_machine_status): New functions.
11255 (override_options): Set {init,mark,free}_machine_status to above.
11256 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11257 PIC_OFFSET_TABLE_REGNUM_SAVED.
11258 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11259 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11260 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11261 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11262 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11264 2001-01-15 DJ Delorie <dj@redhat.com>
11266 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11270 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11272 * flow.c (propagate_one_insn): Make trying to delete a prologue
11273 or epilogue insn an ICE, not a warning. Allow doing this if
11274 the current function returns with stack pointer depressed.
11276 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11277 I3 having more than one SET.
11279 2001-01-16 Jim Wilson <wilson@redhat.com>
11281 * invoke.texi: Document IA-64 options.
11283 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11284 (fixup_errata): Delete TARGET_A_STEP use.
11285 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11286 (TARGET_SWITCHES): Delete -ma-step option.
11287 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11288 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11289 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11290 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11291 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11292 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11294 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11295 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11296 cmovsi_internal): Delete ! TARGET_A_STEP check.
11298 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11300 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11301 possibility to report bugs via postal mail. Change a URL and
11302 merge in a nearly duplicate statement...
11303 (Bug Reporting): ...from here.
11304 (Service): Refer to the Bug Reporting section instead of
11305 duplicating an URL.
11306 (Contributing): Remove trivial explanations concerning snapshots.
11308 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11310 * cppmain.c (general_init): Don't use ANSI prototype.
11312 2001-01-16 Tom Tromey <tromey@redhat.com>
11314 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11316 2001-01-16 Richard Henderson <rth@redhat.com>
11318 * config/i386/i386.h: Fix comment typo.
11319 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11320 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11322 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11324 * gcc.c: Revert previous -fsyntax-only-related change; move
11327 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11329 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11330 inmode after checking GET_CODE (op).
11332 2001-01-16 Richard Henderson <rth@redhat.com>
11334 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11335 (MAX_MEM_SET_LIST_LEN): New.
11336 (propagate_one_insn): Update mem_set_list_len.
11337 (invalidate_mems_from_autoinc): Likewise.
11338 (invalidate_mems_from_set): Likewise.
11339 (mark_used_regs): Likewise.
11340 (init_propagate_block_info): Likewise. Stop collecting memories
11341 when we reach MAX_MEM_SET_LIST_LEN.
11342 (mark_set_1): Likewise.
11344 2001-01-16 Richard Henderson <rth@redhat.com>
11346 * unroll.c (precondition_loop_p): Fail if no iteration
11349 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11351 * gcc.c: When -fsyntax-only is given, do not complain about
11354 2001-01-15 Richard Henderson <rth@redhat.com>
11356 * config/i386/i386.c (asm_output_function_prefix): Remove.
11357 (ix86_asm_file_end): New.
11358 (load_pic_register): Generate pic_label_name into a
11359 staticly allocated buffer.
11360 * config/i386/i386-protos.h: Update.
11361 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11362 (ASM_FILE_END): New.
11363 * config/i386/i386afe.h: New file.
11364 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11365 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11366 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11367 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11368 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11369 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11370 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11372 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11374 * Makefile.in (install-man): Remove explicit dependency on
11377 * configure.in, configure: Revert previous patch requiring perl
11380 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11382 * toplev.c (flag_guess_branch_prob): New.
11383 (f_options): Add guess-branch-probability option.
11384 (rest_of_decl_compilation): Only estimate branch probability if
11386 (main): set flag_guess_branch_prob.
11388 * flags.h (flag_guess_branch_prob): New.
11390 2001-01-15 DJ Delorie <dj@redhat.com>
11392 * gcc.texi (Makefile): Add documentation for Makefile targets.
11394 2001-01-15 Philip Blundell <philb@gnu.org>
11396 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11398 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11399 (is_pic): Delete declaration.
11400 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11401 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11402 * config/arm/arm.md (builtin_setjmp_receiver): New.
11404 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11406 * arm.c (use_return_insn): Don't try to determine the function type
11407 until after reload has completed.
11408 (arm_output_epilogue): Don't adjust the sp value recovered from the
11410 (emit_multi_reg_push): Don't record dwarf information for the pc.
11411 * arm.md (eh_epilogue): The function type may have changed, so it
11412 needs to be recalculated.
11413 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11414 unwind tables on arm/netbsd.
11416 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11418 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11419 (negated_cbranchsi4): Likewise.
11421 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11423 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11424 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11425 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11426 pass -mapcs-* options to assembler.
11427 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11428 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11429 (ASM_SPEC): Call subtarget_extra_asm_spec.
11431 2001-01-15 Andreas Jaeger <aj@suse.de>
11433 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11435 (ix86_expand_builtin): Likewise.
11437 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11438 warning about comparison between signed and unsigned.
11440 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11442 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11444 2001-01-14 Ralf Baechle <ralf@gnu.org>
11446 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11447 SUBTARGET_CPP_SPEC apropriatly.
11449 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11451 * varasm.c (make_decl_rtl): Fix typo in last change.
11453 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11455 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11456 linker supports the init_priority C++ attribute.
11457 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11458 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11459 linker does not support init_priority C++ attribute.
11461 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11463 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11465 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11467 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11468 * cp/lex.c (finish_parse): Similarly.
11469 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11470 Return the number of errors encountered.
11471 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11472 * cppmain.c (main): Don't call cpp_destroy.
11474 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11476 * configure.in: Require at least perl 5.6.0 to regenerate
11478 * configure: Regenerate.
11480 2001-01-14 Richard Henderson <rth@redhat.com>
11482 * genrecog.c (DT_veclen_ge): New.
11483 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11484 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11485 (nodes_identical_1): Handle DT_veclen_ge.
11486 (write_cond, debug_decision_2): Likewise.
11488 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11490 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11492 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11494 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11496 * cppmain.c (do_preprocessing): New function; most of the old
11498 (main): Call it to do most of the work.
11499 (cb): Move from global scope to set_callbacks ().
11500 (setup_callbacks): Get the callback pointer.
11501 (general_init, printer_init): Clean up code and comments.
11503 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11505 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11508 2001-01-14 Kazu Hirata <kazu@hxi.com>
11510 * config/h8300/h8300.c (get_shift_alg): Update comments.
11512 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11514 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11515 (alloc_page, ggc_alloc): Add casts to remove warnings.
11517 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11519 * combine.c (simplify_comparison): Don't change `code' when
11520 can't reverse comparison.
11522 2001-01-14 Richard Henderson <rth@redhat.com>
11524 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11525 update all call sites. Return true for all non-label constants.
11527 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11529 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11531 (ix86_expand_branch): Update.
11532 (ix86_expand_setcc): Update to handle multiple test conditions.
11533 (expand_int_movcc): Likewise.
11534 (expand_fp_movcc): Likewise.
11535 * i386-protos.h (ix86_expand_compare): New.
11536 * i386.md (andqi_?_slp, orqi_?_slp): New.
11537 (conditional trap expander): Update call to ix86_expand_compare.
11539 2001-01-14 Richard Henderson <rth@redhat.com>
11541 * config/vax/vax.md: Use nonimmediate_operand instead of
11542 general_operand in destinations.
11544 * config/vax/vax.md (indirect_jump): Use register_operand.
11546 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11547 * config/vax/vax.md (call_pop): Turn into an expander.
11548 (call_value_pop): Likewise.
11549 (call, call_value): New.
11551 2001-01-14 Andreas Jaeger <aj@suse.de>
11553 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11555 (ix86_fp_compare_mode): Add unused attribute.
11556 (ix86_expand_fp_movcc): Remove unused variable.
11557 (ix86_expand_builtin): Make fcode unsigned.
11559 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11560 (expand_expr): Add cast to avoid signed warning.
11561 (store_field): Likewise.
11562 (store_constructor_field): Likewise.
11563 (store_constructor): Likewise.
11564 (store_expr): Likewise.
11565 (clear_storage): Likewise.
11566 (emit_group_store): Likewise.
11567 (emit_group_load): Likewise.
11569 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11571 * c-common.c: Move format checking code to ...
11572 * c-format.c: ... here. New file. Reorder some functions and
11574 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11576 * c-common.h (decl_handle_format_attribute,
11577 decl_handle_format_arg_attribute): Declare.
11578 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11579 (c-common.o): Adjust dependencies.
11580 (c-format.o): New list of dependencies.
11582 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11584 * unroll.c (loop_iterations): If we cannot prove iteration variable
11585 is set once in each iteration, punt.
11587 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11589 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11590 (*strlenhi): Remove clobber (which was buggy) of output address.
11592 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11594 * Makefile.in (generated-manpages): Add gcc.1
11595 ($(srcdir)/gcc.1): New target.
11596 (maintainer-clean): Delete $(srcdir)/gcc.1.
11597 * gcc.texi: Add macros @gccoptlist and @gol.
11598 * invoke.texi: Include option summary in manpage. Mark up option
11599 summary with @gccoptlist and @gol. Use @r in one place where
11601 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11602 * gcc.1: Generate from invoke.texi.
11604 2001-01-13 Richard Henderson <rth@redhat.com>
11606 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11607 (struct page_entry): Add group member.
11608 (struct page_group): New.
11609 (struct globals): Add page_groups member.
11610 (alloc_anon): Only define for using mmap; remove valloc call.
11611 (page_group_index): New.
11612 (set_page_group_in_use): New.
11613 (clear_page_group_in_use): New.
11614 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11615 (free_page, release_pages): Likewise.
11616 * configure.in (with-gc): Default to ggc-page always.
11618 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11620 * reload1.c (replace_pseudos_in_call_usage): Use
11621 reg_equiv_constant and reg_equiv_address, and don't try
11622 regno_reg_rtx first.
11624 2001-01-13 Richard Henderson <rth@redhat.com>
11626 * ggc-page.c (alloc_page): Round up allocation size to one page.
11627 Set e->order on extra pages.
11629 2001-01-13 Richard Henderson <rth@redhat.com>
11631 * genrecog.c (nodes_identical): Expand commentary.
11632 (write_switch): Watch out for identical nodes.
11634 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11636 * cppfiles.c (_cpp_fake_include): New function.
11637 * cpphash.h (_cpp_fake_include): New.
11638 * cpplib.c (do_line): Call _cpp_fake_include when entering
11639 header files in preprocessed input.
11640 * cppmain.c (cb_pragma_implementation): Remove handling.
11641 (setup_callbacks): Don't register pragmas.
11643 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11645 * extend.texi: Udate for CPP.
11647 2001-01-13 Andreas Jaeger <aj@suse.de>
11649 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11651 * regmove.c: Add prototype for replace_in_call_usage.
11653 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11655 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11656 struct cpp_chunk, struct htab, struct toklist,
11657 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11658 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11659 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11660 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11661 (struct macro_args): Delete.
11662 * cpphash.h: See above.
11664 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11666 * cppmain.c (struct printer): Remove no_line_dirs.
11667 (options, cb): New.
11668 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11669 : Use options rather than CPP_OPTION.
11670 (setup_callbacks): Use cb rather than pfile->cb.
11671 (main): No need to check for a buffer. Use cpp_errors.
11672 (printer_init): Don't set no_line_dirs.
11673 (maybe_print_line): Use options not no_line_dirs.
11674 (cb_file_change): Don't call print_line if -P.
11676 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11678 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11680 * c-parse.in (finish_parse): Use cpp_errors.
11681 (__yylex): Use return value of cpp_pop_buffer.
11682 * cp/lex.c (finish_parse): Use cpp_errors.
11683 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11685 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11687 * README.AVR: URLs corrected.
11689 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11691 * c-decl.c (start_function): Don't warn if old prototype is builtin
11692 that's not in C's namespace.
11693 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11694 (_bb): Add prototype for ctime.
11695 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11697 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11699 * i386.c (ix86_fp_comparison_arithmetics_cost,
11700 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11701 ix86_fp_comparison_cost): New functions.
11702 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11703 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11704 two-branch sequences; make static.
11705 (ix86_use_fcomi_compare): Do decision according to the costs.
11706 (split_fp_branch): New.
11707 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11708 * i386-protos.h (ix86_expand_fp_compare): Remove
11709 (ix86_split_fp_branch): Declare.
11711 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11712 and ix86_comparison_operator.
11714 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11715 to make it cheaper.
11717 * i386.c (put_condition_code): Output properly the unordered/ordered
11718 compares in fp case.
11719 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11721 * tm.texi (REVERSE_CONDITION): Document.
11722 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11723 in -ffast-math mode.
11724 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11726 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11728 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11730 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11733 * config/sh/sh.c (mova_p): Fix test for mova_const.
11735 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11737 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11738 cpp_get_options rather than dereferencing pfile and using
11740 * scan-decls.c (scan_decls): Use return value of
11741 cpp_pop_buffer rather than CPP_BUFFER.
11743 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11745 * cppinit.c (cpp_handle_option): help_only is now part of the
11746 cpp_options structure.
11747 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11748 cpp_set_callbacks): New functions.
11749 * cpplib.h (cpp_callbacks): Break out as a named structure.
11750 (cpp_options): Move help_only here from cpp_reader.
11751 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11752 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11753 cpp_set_callbacks): New prototypes.
11754 * cppmain.c (main): Update for help_only.
11756 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11758 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11759 Also build and remove and install and uninstall c-tree.info and
11761 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11762 ($(srcdir)/cppinternals.info): New target.
11763 * c-tree.texi: Change file name used when makeinfo used without -o
11764 from ir.info to c-tree.info. Add info directory entry.
11765 * cppinternals.texi: Add info directory entry.
11766 * .cvsignore: Update.
11768 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11770 * c-typeck.c (store_init_value): Don't require constant initializer
11771 elements with -pedantic -std=c99.
11772 (digest_init): Change error about non-constant initializer elements
11774 (constructor_range_end): Remove.
11775 (constructor_incremental, designator_depth,
11776 designator_errorneous): New variables.
11777 (struct constructor_stack): Remove range_end, add incremental.
11778 (struct constructor_range_stack, constructor_range_stack): New.
11779 (struct initializer_stack): Add constructor_range_stack.
11780 (finish_init): Set it.
11781 (start_init): Likewise. require_constant_elements for non-static
11782 trees only if not flag_isoc99.
11783 (really_start_incremental_init): Remove constructor_range_end, add
11784 constructor_incremental.
11785 (pop_init_level): Likewise.
11786 (push_init_level): Likewise. If implicit and the subobject had some
11787 value set already, preinitialize the level with it.
11788 Warn about missing braces only if not pushing due to designators.
11789 (set_designator, push_range_stack): New functions.
11790 (set_init_label): Use them.
11791 (set_init_index): Likewise. Remove constructor_range_end.
11792 Error if designator index is outside of array bounds.
11793 (add_pending_init): Compare values of purpose index trees, not the
11794 trees themselves. Allow overwriting of already initialized element.
11795 Issue a warning if it had side-effects.
11796 (set_nonincremental_init, set_nonincremental_init_from_string): New
11798 (pending_init_member): Rename to...
11799 (find_init_member): ...this function. Call set_nonincremental_init
11800 if necessary. Compare values of purpose index trees, not the trees
11801 themselves. Return the actual value, not just non-zero if something
11803 (output_init_element): Remove checks for duplicates.
11804 If field has zero size, only check the initializer for correctness.
11805 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11806 if constructor_incremental is zero. Change error about initializers
11807 not computable at load time into pedwarn.
11808 (output_pending_init_elements): Compare bit positions, not
11809 FIELD_DECLs to take into account zero-sized fields.
11810 (process_init_element): Use constructor_range_stack to fill all
11811 ranges in the designator lists from current level up.
11812 * extend.texi: Update documentation for labeled elements.
11814 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11816 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11817 to function usage for arguments passed by reference. Optimize
11818 callee-copied arguments.
11819 * regmove.c (replace_in_call_usage): New function.
11820 (fixup_match_1): Call it.
11821 * cse.c (cse_insn): Canonicalize registers in function usage.
11822 * reload1.c (replace_pseudos_in_call_usage): New function.
11825 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11828 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11830 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11833 2001-01-12 DJ Delorie <dj@redhat.com>
11835 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11836 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11839 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11841 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11842 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11843 -std options alongside references to -ansi. Update some
11844 documentation for C99.
11845 * cpp.1: Regenerate.
11847 2001-01-12 Andreas Jaeger <aj@suse.de>
11849 * haifa-sched.c (restore_line_notes): Remove argument block B
11851 * sched-ebb.c (schedule_ebb): Change caller.
11852 * sched-rgn.c (schedule_region): Likewise.
11853 * sched-int.h (restore_line_notes): Adjust prototype.
11855 * loop.h: Remove wrong declaration of doloop_condition_get.
11857 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11859 * extend.texi: Move C++-extension-related node from the C section
11860 into the C++ section.
11862 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11864 * extend.texi: Refer to an array of pointers to functions instead
11865 of one of functions.
11867 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11868 Jan Hubicka <jh@suse.cz>
11870 * combine.c (reversed_comparison): Fix typo in last patch.
11872 (combine_reversed_comparison_code): Make static to follow
11873 prototype declaration.
11875 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11877 * install.texi: Remove misplaced duplicate entry.
11879 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11881 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11883 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11885 * final.c: (leaf_function_p): Fix typo.
11887 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11889 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11890 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11892 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11893 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11894 mmap_anon, and valloc is available.
11895 * ggc-page.c: Restructure ifdef logic to match new autoconf
11896 spec. Don't throw away the test page in init_ggc.
11898 * configure, config.in: Regenerate.
11900 2001-01-12 Michael Hayes <mhayes@redhat.com>
11902 * loop.h (total_biv_increment): Constify iv_class pointer.
11903 (struct induction): Replace `mem_mode' with `mem' rtx.
11904 * unroll.c (total_biv_increment): Constify iv_class pointer.
11905 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11906 (find_mem_givs, combine_givs_p): Likewise.
11907 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11909 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11911 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11913 (__gthread_getspecific): Ditto.
11915 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11917 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11918 put_condition_code): Convert fp comparison codes to integer
11920 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11923 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11924 * i386-protos.h (no_comparison_operator): Kill.
11926 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11928 * combine.c (REVERSIBLE_CC_MODE): Remove.
11929 (reversible_comparison_p): Remove.
11930 (combine_reversed_comparison_code): New.
11931 (reversed_comparison): New.
11932 (combine_simplify_rtx): Use
11933 combine_reversed_comparison_code/reversed_comparison instead
11934 of reversible_comparison_p.
11935 (simplify_if_then_else): Likewise.
11936 (simplify_set): Likewise.
11937 (simplify_logical): Likewise.
11938 (if_then_else_cond): Likewise.
11939 (known_cond): Likewise.
11940 (simplify_comparison): Likewise.
11942 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11944 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11945 sizeof (int) is larger than sizeof(__word__).
11947 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11949 * cppinit.c (do_includes): Fix typo.
11951 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11953 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11954 in S_REGS does not occur because not all sources are possible
11955 when a S_REGS is a destination (sometimes needs a clobber).
11956 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11957 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11958 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11959 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11960 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11961 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11962 (lshrdi_const1, lshrsi3_const16): Likewise.
11963 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11964 (*movhi_68hc12, *movqi_68hc12): Likewise.
11965 (movstrictqi): Make sure reloading in D_REGS as a destination
11968 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11970 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11972 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11974 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11975 -D, -U and -A, and don't initialize the builtins.
11976 (do_includes): Error if -include or -imacros with -fpreprocessed.
11977 * cppmain.c (cb_define, cb_undef): Unconditionally process
11979 * tradcpp.c (main): Fix typo.
11981 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11983 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11984 (read_name_map): Use IS_ABSOLUTE_PATH.
11985 * tradcpp.c (get_filename): Likewise.
11987 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11989 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11990 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11991 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11992 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11993 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11994 (cmphi_z_used): Don't use '@' for the output.
11995 (tstqi_z_used): Likewise.
11996 (cmpqi_z_used): Likewise.
11997 (one_cmplsi2): Likewise.
11999 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12001 * config/sh/sh.c (barrier_align): Recognize branch around far
12002 branch and redundant insn.
12004 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12006 * invoke.texi: Restore documentation of the drivers' switches -MD
12009 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12011 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12013 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12014 check-objc//%): Support parallel testing of multilibs.
12015 (TESTSUITEDIR): Set to testsuite by default, but override for
12017 (check-gcc, check-g++, check-g77, check-objc): Enter
12020 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12022 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12023 * sched-deps.c (deps_may_trap_p): Likewise.
12024 * basic-block.h: Remove a comment.
12025 * flow.c (PROP_POSTRELOAD): Remove.
12026 (update_life_info): Don't add it to prop_flags.
12027 (mark_set_1): Lose the code that was enabled by it.
12029 2001-01-11 Michael Hayes <mhayes@redhat.com>
12031 * flow.c (flow_call_edges_add): New.
12032 * basic_block.h (flow_call_edges_add): New.
12034 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12036 * reload1.c (move2add_note_store): Update reg_set_luid even if
12037 base reg remains the same.
12039 2001-01-10 Nick Clifton <nickc@redhat.com>
12041 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12042 machine_function structure to zero.
12043 Add prototypes for machine_status functions.
12045 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12047 * c-common.h (CTI_VOID_LIST): Remove.
12048 (void_list_node): Likewise.
12049 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12050 (void_list_node): New macro.
12051 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12052 * config/i386/i386.c (ix86_init_builtins): Likewise.
12053 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12055 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12057 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12058 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12060 * tradcpp.c: Include mkdeps.h.
12061 (deps, print_deps_phony_targets, deps_append, output_deps,
12062 init_dependency_output, output_deps): New.
12063 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12064 deps_output): Delete.
12065 (print_deps_missing_files): Rename deps_missing_files.
12066 (inhibit_output): Make global.
12067 (main): Delete inhibit_output, deps_stream, deps_target.
12068 Use mkdeps functionality in the same way as cpplib. Remove
12069 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12070 -M and -MM. Remove old handling of deps via deps_out, and
12071 old reading of environment variables.
12072 (get_filename): Update to use deps_add_dep.
12074 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12076 * output.h (make_function_rtl): Remove prototype.
12077 (make_decl_rtl): Likewise.
12078 * varasm.c (make_function_rtl): Remove.
12079 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12080 than from a third parameter.
12081 * tree.h (make_decl_rtl): Remove last parameter.
12082 * c-decl.c (builtin_function): Remove last argument in call to
12083 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12084 (start_function): Likewise.
12085 * except.c (call_get_eh_context): Likewise.
12086 * expr.c (emit_block_move): Likewise.
12087 (clear_storage): Likewise.
12088 * profile.c (output_func_start_profiler): Likewise.
12089 * toplev.c (rest_of_decl_compilation): Likewise.
12090 * objc/objc-act.c (create_builtin_decl): Likewise.
12091 (synth_module_prologue): Likewise.
12092 (generate_static_reference): Likewise.
12093 (build_selector_reference_decl): Likewise.
12094 (build_class_reference_decl): Likewise.
12095 (build_objc_string_decl): Likewise.
12096 (build_protocol_reference): Likewise.
12098 2001-01-10 Richard Henderson <rth@redhat.com>
12100 * hwint.h: Revert yesterday's change.
12102 2001-01-10 Nick Clifton <nickc@redhat.com>
12104 * function.h (save_machine_status): Delete.
12105 (restore_machine_status): Delete.
12106 Amend comment describing {init|mark|free}_machine_status.
12108 * function.c (save_machine_status): Delete.
12109 (restore_machine_status): Delete.
12110 Amend comment describing {init|mark|free}_machine_status.
12111 (push_function_context_to): Remove invocation of
12112 save_machine_status.
12113 (pop_function_context_from): Remove invocation of
12114 restore_machine_status.
12116 * emit-rtl.c (init_emit_once): Amend comment describing
12117 {init|mark|free}_machine_status.
12119 * tm.texi (Per-Function Data): New node. Describe the
12120 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12123 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12125 * cppinit.c (OPT_g): Remove.
12126 (cpp_handle_option): Update for removed -g3.
12127 (print_help): Update.
12128 * cpplib.h (struct cpp_options): Remove debug_output.
12129 * cppmain.c (setup_callbacks, cb_define): Update.
12130 * gcc.c (cpp_options): Translate -g3 to -dD.
12132 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12134 * config/i960/i960.md: Change modifier to + on the zero_extract
12135 pattern after the (rotate -2 reg) canonicalization pattern.
12137 2001-01-10 Richard Henderson <rth@redhat.com>
12139 * config/alpha/alpha.c (alpha_free_machine_status): New.
12140 (override_options): Install it.
12141 (alpha_mark_machine_status): Verify machine non-null.
12142 * config/i386/i386.c (ix86_free_machine_status): New.
12143 (override_options): Install it.
12144 (ix86_init_machine_status): Use xcalloc.
12145 (ix86_mark_machine_status): Verify machine non-null.
12146 * config/ia64/ia64.c (ia64_free_machine_status): New.
12147 (ia64_override_options): Install it.
12148 (ia64_mark_machine_status): Verify machine non-null.
12150 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12152 * function.c (instantiate_virtual_regs): Instantiate virtual
12153 registers found in CALL_INSN_FUNCTION_USAGE.
12155 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12157 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12158 equivalent to -ansi in disabling -Di386.
12160 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12162 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12164 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12166 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12168 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12170 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12172 * invoke.texi: Document that -fcond-mismatch isn't supported for
12175 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12177 * gcc.texi: Define macro gcctabopt.
12178 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12179 @command, @env and @option in some places where appropriate. Use
12180 @gcctabopt where appropriate. Put URLs and email addresses inside
12183 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12185 * gcc.c (cpp_options): Set MD file name from output
12186 filename, if specified.
12187 (suffix_subst): New static variable.
12188 (do_spec): Clear it.
12189 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12191 (give_switch): Handle suffix_subst.
12193 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12195 * invoke.texi: Fix another typo.
12197 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12199 * invoke.texi: Fix typo.
12201 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12203 * c-lang.c (lang_hooks): Update.
12204 (lang_decode_option): Remove.
12205 (lang_init_options): Rename c_init_options.
12206 * toplev.c (main): Use lang_hooks for lang_init_options
12207 and lang_decode_option.
12208 * toplev.h (lang_hooks): Add 2 new hooks.
12209 * tree.h: Remove lang_init_options and lang_decode_option.
12210 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12211 * cp/decl2.c: Similarly.
12212 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12213 (lang_hooks): Update.
12214 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12216 (lang_init_options): Rename ffe_init_options.
12217 (lang_hooks): Update.
12218 (lang_decode_option): Remove.
12219 * java/lang.c (lang_init_options): Rename java_init_options.
12220 (lang_decode_option): Rename java_decode_option.
12221 (lang_hooks): Update.
12222 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12223 (lang_decode_option): Rename objc_decode_option.
12224 (lang_hooks): Update.
12226 2001-01-09 Nick Clifton <nickc@redhat.com>
12228 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12229 (d30v_return_addr_rtx): Delete.
12230 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12231 cfun->machine structure.
12232 (struct machine_function): Move to d30v.h
12233 (d30v_save_machine_status): Delete.
12234 (d30v_restore_machine_status): Delete.
12235 (d30v_init_machine_status): New Function.
12236 (d30v_mark_machine_status): New Function.
12237 (d30v_free_machine_status): New Function.
12238 (d30v_init_expanders): Use new functions.
12239 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12240 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12241 d30v_return_addr_rtx.
12243 * config/d30v/d30v.h (struct_machine): Move here.
12244 Add eh_epilogue_sp_ofs field.
12246 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12247 field in cfun->machine structure.
12249 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12251 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12252 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12253 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12255 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12257 * objc/lang-options.h: Remove bogus reference to
12260 2001-01-09 Kazu Hirata <kazu@hxi.com>
12262 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12265 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12267 * reload.c (find_reloads_address): Check for eliminable registers
12268 when substituting a constant expression for a pseudo.
12270 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12272 * c-common.c (enum format_type): Add format_type_error.
12273 (decode_format_type): New function.
12274 (decl_attributes): Use it.
12275 (format_kind_info): Adjust comment.
12277 2001-01-09 David O'Brien <obrien@BSDi.com>
12279 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12280 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12282 * config/i386/gnu.h: Don't include required platform specific .h files,
12283 tm.h will do it instead.
12284 * config/i386/i386elf.h: Likewise.
12285 * config/i386/linux.h: Likewise.
12286 * config/i386/moss.h: Likewise.
12287 * config/mips/gnu.h: Likewise.
12289 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12291 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12292 (rs6000-ibm-aix3.[01]*): Likewise.
12293 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12294 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12295 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12296 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12297 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12298 (powerpc-*-eabiaix*): Likewise.
12299 (powerpc-*-eabisim*): Likewise.
12300 (powerpc-*-elf*): Likewise.
12301 (powerpc-*-eabi*): Likewise.
12302 (powerpc-*-rtems*): Likewise.
12303 (powerpc-*-linux*libc1): Likewise.
12304 (powerpc-*-linux*): Likewise.
12305 (powerpc-wrs-vxworks*): Likewise.
12306 (powerpcle-wrs-vxworks*): Likewise.
12307 (powerpcle-*-sysv*): Likewise.
12308 (powerpcle-*-elf*): Likewise.
12309 (powerpcle-*-eabisim*): Likewise.
12310 (powerpcle-*-eabi*): Likewise.
12311 (powerpcle-*-solaris2*): Likewise.
12312 * config/rs6000/aix31.h: Delete includes.
12313 * config/rs6000/aix3newas.h: Likewise.
12314 * config/rs6000/aix41.h: Likewise.
12315 * config/rs6000/aix43.h: Likewise.
12316 * config/rs6000/beos.h: Likewise.
12317 * config/rs6000/rtems.h: Likewise.
12318 * config/rs6000/sysv4.h: Likewise.
12320 2001-01-09 Kazu Hirata <kazu@hxi.com>
12322 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12323 Change an argument mode of machine_mode to shift_mode of
12324 shift_mode. Remove an extra error check.
12325 (emit_a_shift): Adopt to the new calling prototype of
12327 (function_prologue): Fix code for a monitor
12328 function. Support H8/S.
12329 (function_epilogue): Do not output pop for a monitor function.
12331 2001-01-09 Nick Clifton <nickc@redhat.com>
12333 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12334 (setup_incoming_varargs): Use sysv_varargs_p field of the
12335 cfun->machine structure.
12336 (struct machine_function): Move to rs6000.h
12337 (rs6000_save_machine_status): Delete.
12338 (rs6000_restore_machine_status): Delete.
12339 (rs6000_init_machine_status): New Function.
12340 (rs6000_free_machine_status): New Function.
12341 (rs6000_init_expanders): Use new functions.
12343 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12345 (struct machine_function): Move here.
12347 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12348 sysv_varargs_p field of the cfun->machine structure.
12350 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12352 (rs6000_restore_machine_status): Remove prototype.
12354 2001-01-09 Richard Henderson <rth@redhat.com>
12356 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12357 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12358 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12359 (sched_analyze_2, sched_analyze_insn): Likewise.
12360 (sched_analyze, init_deps): Likewise.
12361 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12362 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12363 (compute_block_backward_dependences): Update propagate_deps call.
12365 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12367 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12369 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12371 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12372 (cpp_handle_option): Handle them.
12373 (cpp_post_options): Ensure one of -M or -MM is specified with
12374 any other -M? option.
12375 (init_dependency_output): Suppress output with -MG.
12377 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12379 * cpp.texi: Update.
12380 * invoke.texi: Update.
12382 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12384 * sh.md (reload_outsf): Generate recognizable patterns for
12387 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12389 * c-lang.c (lang_hooks): Update.
12390 (lang_init): Rename c_init.
12391 (lang_finish): Remove.
12392 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12393 and lang_finish ().
12394 * toplev.h (lang_hooks): Add init () and finish ().
12395 * tree.h (lang_init, lang_finish): Remove.
12396 * cp/tree.h (lang_init, lang_finish): Remove.
12397 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12398 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12400 (lang_init, lang_finish): Remove.
12401 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12402 (lang_hooks): Update.
12403 * java/lang.c (lang_init): Rename java_init.
12404 (lang_finish): Remove.
12405 (lang_hooks): Update.
12406 * objc/objc-act.c (lang_init): Rename objc_init.
12407 (lang_finish): Remove.
12408 (lang_hoooks): Update.
12410 20001-01-09 Graham Stott <grahams@redhat.com>
12412 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12413 after `ptr` is initialised.
12415 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12417 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12418 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12419 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12420 stack adjusts, instead of r3.
12422 2001-01-09 Michael Hayes <mhayes@redhat.com>
12424 * flow.c (flow_loop_scan): Break out of ...
12425 (flow_loops_find) ... here.
12426 * basic-block.h (flow_loop_scan): New.
12427 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12428 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12430 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12432 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12434 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12435 realloc()ing macro_buffer.
12437 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12438 if it's wider than long and the target's long is wider than the
12441 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12443 Remove support for using UWIN as a host machine.
12444 * configure.in: Issue an error message.
12445 * configure: Regenerated.
12446 * config.gcc: Remove xm_* UWIN configury.
12447 * config/i386/xm-uwin.h: Remove.
12449 2001-01-08 Nick Clifton <nickc@redhat.com>
12451 * config/v850/v850.c (ra_rtx): Delete.
12452 (v850_save_machine_status): Delete.
12453 (v850_restore_machine_status): Delete.
12454 (v850_init_machine_status): New function.
12455 (v850_mark_machine_status): New function.
12456 (v850_free_machine_status): New function.
12457 (v850_return_addr): Use ra_rtx field in machine structure.
12458 (v850_init_expanders): Use new functions.
12460 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12461 * config/v850/v850.c: Change arguments to v850_output+* functions
12462 to take a const char *, to avoid compile time warning.
12463 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12464 (USER_LABEL_PREFIX): Redefine.
12466 2000-01-08 Jim Wilson <wilson@redhat.com>
12468 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12469 1 to unsigned HOST_WIDE_INT before left shift.
12471 2001-01-08 Nick Clifton <nickc@redhat.com>
12473 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12474 the machine structure has been allocated.
12475 (arm_free_machine_status): New function: Free the machine
12476 specific function structure.
12478 2001-01-08 Richard Henderson <rth@redhat.com>
12480 * jump.c (simplejump_p): Revert last change.
12482 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12484 * cppinit.c (init): Rename init_library.
12485 (cpp_create_reader): Update.
12486 * gcc.c (cpp_options): If -o given, use it as the target of
12489 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12491 * arm.c (arm_arch5e): New variable.
12492 (all_cores): XScale is a 5TE device.
12493 (arm_override_options): Set arm_arch5e.
12494 (arm_init_builtins): __builtin_prefetch is in arch5e.
12495 * arm.h (arm_arch5e): Declare it.
12497 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12499 * arm.md (define_constants): Add defines for UNSPEC and
12500 UNSPEC_VOLATILE insns. Update all users.
12501 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12502 * arm.c (multi_register_push, note_invalid_constants)
12503 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12504 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12505 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12507 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12509 * jump.c (jump_optimize_1): Use reversed_comparison_code
12510 instead of can_reverse_comparison_p.
12511 (jump_back_p): Likewise.
12512 (invert_exp_1): Likewise.
12513 (thread_jumps): Likewise.
12514 * simplify-rtx.c (simplify_unary_operation): Likewise.
12515 (simplify_ternary_operation): Likewise.
12516 * cse.c (find_comparison_args): Convert to use
12517 can_reverse_comparison_p.
12518 (record_jump_equiv): Likewise.
12520 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12522 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12523 (EPILOGUE_USES): Define.
12524 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12525 automatically stack the LR if it isn't live.
12527 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12529 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12532 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12534 * ggc-page.c (max_alignment): New structure.
12535 (MAX_ALIGNMENT): New macro.
12536 (init_ggc): Use it to round up the sizes in the
12537 extra_order_size_table.
12539 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12541 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12544 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12546 * builtins.def (BUILT_IN_FPRINTF): New entry.
12548 * c-common.c (c_expand_builtin_fprintf): New function.
12549 (init_function_format_info): Handle __builtin_fprintf.
12550 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12551 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12553 * c-decl.c (duplicate_decls): Adjust comment.
12555 * extend.texi (fprintf): Document new builtin.
12557 2001-01-07 Richard Henderson <rth@redhat.com>
12559 * jump.c (simplejump_p): Recognize any single_set jump
12560 of the proper form.
12562 2001-01-07 Richard Henderson <rth@redhat.com>
12564 * configure.in (slibdir): Accept an --with-slibdir option.
12565 Use "test" not "[" in configure. Default to $(libdir).
12567 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12569 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12570 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12571 (SHLIB_LINK): Create links for the soname.
12572 * config/mips/t-iris6: Likewise.
12573 * config/sparc/t-slibgcc: Likewise.
12574 * config/sparc/t-slibgcc-sld: Likewise.
12576 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12578 * config/i386/i386.c (constant_call_address_operand): Accept
12579 (const (plus (symbol_ref) (const_int))).
12580 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12581 constant_call_address_operand.
12583 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12585 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12586 and LONG_LONG_TYPE_SIZE > 32.
12588 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12590 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12591 the previous change.
12593 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12595 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12597 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12598 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12599 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12602 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12604 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12606 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12608 * c-lang.c (c_post_options): Call cpp_post_options.
12609 * objc/objc-act.c (objc_post_options): Similarly.
12610 * cppmain.c (main): Similarly.
12611 * fix-header.c (read_scan_file): Similarly.
12612 * cppinit.c (cpp_start_read): Move option consistency checks
12613 to cpp_post_options. Don't call init_dependency_output.
12614 If needed, add default target and main file dependency.
12615 (OPT_MD, OPT_MMD): Remove.
12617 (cpp_handle_option): Update for OPT_* changes.
12618 (cpp_post_options): New.
12619 (init_dependency_output): Command line -MF overrides environment
12620 variables. Don't set default target etc. Suppress output
12621 if dependencies are going to stdout.
12622 (print_help): Update.
12623 * cpplib.h (cpp_post_options): New.
12624 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12626 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12628 * jump.c (comparison_dominates_p): Support unordered compares.
12630 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12632 * simplify-rtx.c (simplify_relational_operation): Always simplify
12633 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12636 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12638 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12639 (nonzero_bits): Likewise.
12640 (simplify_comparison): Likewise.
12641 (num_sign_bit_copies): Likewise; return more sane value depending
12642 on STORE_FLAG_VALUE.
12643 (known_cond): Do not assume EQ to be always true for equivalent
12646 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12648 * cse.c (fold_rtx): Handle unordered comparisons.
12650 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12652 * rtlanal.c (set_of_1): New static function.
12653 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12654 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12655 reg_set_last_last_regno): Remove.
12656 (set_of): New global function.
12657 (set_of_data): New structure.
12658 (reg_set_p, reg_set_last): Revamp for set_of.
12659 * rtl.h (set_of): New.
12661 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12663 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12664 * extend.texi: Document _Exit builtin.
12666 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12668 * (initialize, initialize_builtins,
12669 initialize_dependency_output, initialize_standard_includes):
12670 Rename s/initialize/init. Update.
12671 (init_dependency_output): Move to after
12672 cpp_handle_options, the correct location temporally at least.
12673 (opt_comp): Move next to init (), its caller. Fix prototype.
12674 (init): Make "initialized" local scope.
12675 (cpp_create_reader): Always call init ().
12676 (cpp_start_read): Update.
12677 (output_deps): New function, broken out of cpp_finish.
12678 (cpp_finish): Break out output_deps.
12680 2001-01-07 Richard Henderson <rth@redhat.com>
12682 * collect2.c (COFF specific stuff): Revert 12-06 patch
12683 to prototype system functions.
12685 2001-01-07 Michael Hayes <mhayes@redhat.com>
12687 * hard-reg-set.h: Add multiple include guard.
12688 * basic-block.h (struct loop): Add `sink' field.
12689 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12690 (emit_iv_add_mult): Delete.
12691 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12692 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12693 (unroll_loop): Remove end_insert_before argument.
12694 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12695 (maybe_eliminate_biv_1): Likewise.
12696 (emit_iv_add_mult): Delete.
12697 (gen_add_mult, loop_regs_update): New.
12698 (loop_insn_emit_after, loop_insn_emit_before): New.
12699 (loop_insn_sink, loop_insn_sink_or_swim): New.
12700 (emit_iv_add_mult): Delete.
12701 (scan_loop): Set loop->sink.
12702 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12703 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12704 (maybe_eliminate_biv_1): Likewise.
12705 (maybe_eliminate_biv_1): Add basic block argument.
12706 * unroll.c (unroll_loop): Remove end_insert_before argument.
12707 (find_splittable_regs): Likewise.
12708 (find_splittable_regs): Use loop_insn_sink and its ilk.
12709 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12711 2001-01-07 Michael Hayes <mhayes@redhat.com>
12713 * loop.h (loop_insn_hoist): New prototype.
12714 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12715 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12716 (check_dbra_loop, load_mems): Likewise.
12717 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12718 (find_splittable_givs): Likewise.
12720 2001-01-07 Michael Hayes <mhayes@redhat.com>
12722 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12724 2001-01-07 Richard Henderson <rth@redhat.com>
12726 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12728 2001-01-07 Richard Henderson <rth@redhat.com>
12730 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12731 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12732 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12733 variant that handles a shared libgcc.
12734 (process_command): Always validate -{static,shared}-libgcc.
12735 (do_spec_1): New 'M' case.
12736 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12738 2001-01-07 Richard Henderson <rth@redhat.com>
12740 * Makefile.in (slibdir): New variable.
12741 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12742 (installdirs): Create slibdir.
12743 (install-libgcc, install-multilib): Defer to libgcc.mk.
12744 * configure.in (slibdir): Substitute.
12745 * mklibgcc.in (install): New target.
12747 * config/t-linux (SHLIB_LINK): Create links for the soname.
12748 (SHLIB_INSTALL): New.
12749 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12750 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12751 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12752 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12753 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12755 2001-01-07 Richard Henderson <rth@redhat.com>
12757 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12758 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12759 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12761 2001-01-07 Michael Hayes <mhayes@redhat.com>
12763 * loop.c (count_loop_regs_set): Delete.
12764 (load_mems_and_recount_loop_regs_set): Delete.
12765 (loop_regs_scan): Merge common code from count_loop_regs_set,
12766 scan_loop, and load_mems_and_recount_loop_regs_set.
12767 (scan_loop): Call load_mems directly and loop_regs_scan
12768 again if new registers created.
12770 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12772 * toplev.c (main): Call the front-end specific post_options
12773 hook if one is given.
12774 * toplev.h (struct_lang_hooks, lang_hooks): New.
12775 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12776 for the C front end.
12777 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12778 lang_hooks for the C++ front end.
12779 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12780 lang_hooks for the ObjC front end.
12781 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12782 * java/lang.c (lang_hooks): Hooks for the Java front end.
12784 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12786 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12787 for verbose DWARF[2] debugging.
12788 (cb_define, cb_undef): The new callbacks.
12789 * toplev.h (debug_define, debug_undef): Make const correct.
12790 * toplev.c (debug_define, debug_undef): Similarly. Do not
12791 perform the verbosity tests here anymore.
12793 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12795 * reload.c (subst_reloads): Take INSN argument. When
12796 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12797 * reload.h (subst_reloads): Adjust prototype.
12798 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12799 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12800 present in JUMP_INSNs and copy them to JUMP_LABEL.
12801 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12802 JUMP_INSNs and insns with REG_LABELs that are followed by
12803 JUMP_INSNs with the same REG_LABEL.
12804 * sched-rgn.c (is_cfg_nonregular): Likewise.
12805 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12807 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12809 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12811 2001-01-06 Richard Henderson <rth@redhat.com>
12813 * loop.c (scan_loop): Use xcalloc for the regs array.
12814 (load_mems_and_recount_loop_regs_set): Zero the new memory
12815 received from xrealloc.
12817 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12819 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12821 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12823 * integrate.c (copy_rtx_and_substitute): When copying
12824 an ignored return value, strip REG_FUNCTION_VALUE_P.
12826 2001-01-06 Michael Hayes <mhayes@redhat.com>
12828 * loop.c (debug_biv, debug_giv): New.
12829 (loop_biv_dump): Break out from ...
12830 (record_biv): ... here.
12831 (loop_giv_dump): Break out from ...
12832 (record_giv): ... here.
12833 (loop_bivs_check): Use print_simple_rtl.
12834 * unroll.c (loop_iterations): Use print_simple_rtl.
12836 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12838 * pa.md (return, return_internal): Modify patterns to prevent regrename
12839 mucking with the return pointer.
12841 2001-01-05 Richard Henderson <rth@redhat.com>
12843 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12845 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12847 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12848 version supplied by Matteo Frigo.
12850 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12852 * cpp.texi: Update for -MQ.
12853 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12854 (cpp_cleanup): Always free pfile->deps.
12855 (initialize_dependency_output): Don't create pfile->deps.
12856 (cpp_handle_option): Similarly.
12858 * gcc.c (cpp_options): Handle -MQ.
12859 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12860 * mkdeps.c (base_name): Remove.
12861 (deps_init): Don't allocate vector space until it's needed.
12862 (deps_free): Only free vectors if allocated.
12863 (deps_add_target, deps_add_dep): Update for initial allocation.
12864 (deps_add_default_target): Don't strip to the base_name.
12866 2001-01-05 DJ Delorie <dj@redhat.com>
12868 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12869 (INIT_EXPANDERS): Define.
12871 * config/v850/v850.c (struct machine_function): Define.
12872 (v850_save_machine_status): New function.
12873 (v850_restore_machine_status): New function.
12874 (v850_return_addr): New function.
12875 (v850_init_expanders): New function.
12877 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12878 and v850_init_expanders.
12880 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12882 * cpplib.h (struct cpp_reader): Add help_only field.
12883 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12884 (cpp_handle_option): Set pfile->help_only if we see -h,
12885 --help, -target-help, or --version. Print version string but
12886 do not set help_only if we see -v or -version. Make text
12887 printed by -v match that printed by (-)-version.
12889 * cppmain.c (main): Exit after option parsing if
12890 pfile->help_only is true.
12892 * toplev.c (independent_decode_option): Call print_version,
12893 then exit, if we see --version (but not -version).
12894 (print_version): Split lengthy message into two lines.
12896 2001-01-05 Nick Clifton <nickc@redhat.com>
12898 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12899 temporary string for initialisation before calling ggc_alloc_string.
12901 2001-01-06 Michael Hayes <mhayes@redhat.com>
12903 * rtl.h (print_simple_rtl): New.
12904 * print-rtl.c (print_simple_rtl): New.
12905 (flag_simple): New.
12906 (print_rtx): Disable printing of flags and modes, etc.,
12907 if `flag_simple` nonzero.
12909 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12911 * function.c (fixup_var_refs): Use push_to_full_sequence where
12914 2001-01-05 Michael Meissner <meissner@redhat.com>
12916 * flags.h (flag_reorder_blocks): Add declaration.
12917 (flag_rename_block): Ditto.
12919 2001-01-05 DJ Delorie <dj@redhat.com>
12921 * function.c (reorder_blocks): Make sure the flags are all reset
12922 before using them to mark blocks, else a second invocation will
12923 corrupt the block chain.
12924 (reorder_blocks_0): New, resets the flags.
12926 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12928 * cse.c (find_comparison_args): Stop if the argument is known to
12931 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12933 * config/sh/sh.md (movdf): When splitting load into pair of
12934 registers, don't clobber the register used in the address too
12937 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12939 * varasm.c (mark_constant_pool): Improve initial comments.
12940 (mark_constants): Move marking of constants to mark_constant.
12941 (mark_constant): New function to recursively mark all constants
12942 referred to by a constant.
12944 2001-01-05 Catherine Moore <clm@redhat.com>
12946 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12948 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12950 * cp/lang-options.h: Bring comment in line with reality.
12951 * f/lang-options.h: Likewise.
12952 * java/lang-options.h: Likewise.
12953 * objc/lang-options.h: Likewise.
12954 * ch/lang-options.h: Likewise.
12955 * f/g77.texi: And update the manual.
12957 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12958 Denis Chertykov <denisc@overta.ru>
12960 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12961 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12962 * config/avr/avr.md (all peepholes that request a scratch register):
12963 Call it, FAIL the peephole if not safe (in interrupt functions).
12965 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12967 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12969 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12971 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12973 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12974 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12975 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12976 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12977 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12979 * extend.texi: Document these builtins.
12981 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12983 * c-common.c (lang_get_alias_set): Say we know nothing of
12984 VECTOR_TYPE aliasing.
12986 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12988 2001-01-05 Bruce Korb <bkorb@gnu.org>
12990 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12991 their x* equivalent versions for atexit-less systems
12992 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12993 systems (or any other system any more).
12995 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12997 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12998 output operands. Use arm_hard_register_operand for operand 4.
12999 (stmsi_postinc): Similarly.
13000 (ldmsi): Use arm_hard_register_operand for opernand 2.
13001 (stmsi): Similarly.
13002 * arm.c (arm_hard_register_operand): New function.
13003 * arm-protos.h (arm_hard_register_operand): Prototype it.
13005 * arm.h (HARD_REGNO_RENAME_OK): Define.
13007 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13009 * simplify-rtx.c (cfc_args): add "unordered" field.
13010 (check_fold_consts): Set unordered field.
13011 (simplify_relational_operation): Simplify the unordered
13014 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13017 * emit-rtl.c (try_split): Fix code to mark labels.
13018 * jump.c (mark_jump_label): Make global.
13019 * rtl.h (mark_jump_label): Declare.
13021 * predict.c (estimate_probability): Handle unordred comparisons.
13023 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13025 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13026 * cppinit.c (initialize_dependency_output): Update.
13027 (cpp_finish): Output dummy targets for -MP.
13029 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13030 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13031 * gcc.c (cpp_options): Update to handle -MP.
13032 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13033 to quote only the default target.
13034 (deps_phony_targets): Insert a preceding newline. Rename from
13035 deps_dummy_targets for consistency.
13038 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13040 * calls.c (emit_library_call_value_1): Support
13041 INIT_CUMULATIVE_LIBCALL_ARGS.
13042 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13044 2001-01-04 Richard Henderson <rth@redhat.com>
13046 * c-decl.c (finish_struct): Detect flexible array members
13047 used in an inappropriate context.
13048 * c-typeck.c (really_start_incremental_init): Special case
13049 constructor_max_index for zero length arrays.
13050 (pop_init_level): Allow initialization of flexible array
13051 members. Deprecate initialization of zero length arrays.
13052 Don't issue missing initializer warning for flexible array
13053 members or zero length arrays.
13054 (process_init_element): Don't dereference null DECL_SIZE.
13055 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13056 Don't abort for empty constructors. Use size_binop
13057 (output_constructor): Add commentary regarding zero length
13058 array futures. Abort if we try to initialize an array of
13059 unspecified length with a non-empty constructor in the middle
13062 * extend.texi (Zero Length): Update and clarify documentation
13063 on static initialization.
13065 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13067 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13068 with more than 32767 words of local storage.
13070 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13072 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13073 for 'abs', 'labs', and 'fabs'.
13074 (c4x_expand_builtin): Likewise.
13075 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13077 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13079 * config/sh/sh.md (prget, prset): New insn types.
13080 (return delay slot): Dont' allow prset.
13081 (call, sfunc delay slot): Don't allow prget.
13082 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13083 for prset and prget.
13085 2001-01-05 Michael Hayes <mhayes@redhat.com>
13087 * loop.h (struct loop_reg): New.
13088 (struct loop_regs): Change to use array of `struct loop_reg'.
13089 * loop.c: Replace assortment of varrays with single regs array.
13090 (count_one_set): Delete may_not_move array argument
13091 and use regs array instead. All caller's changed.
13092 (count_loop_regs_set): Delete may_not_move and single_usage
13093 arguments and use regs array instead. All caller's changed.
13094 (find_single_use_in_loop): Replace usage array argument with pointer
13095 to regs structure. All caller's changed.
13096 (loop_optimize): Delete `moved_once' array.
13098 2001-01-05 Michael Hayes <mhayes@redhat.com>
13100 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13101 Use it instead of loop_info->has_call for scanning loop mems.
13102 (check_dbra_loop): Replace loop_info->has_call test with
13103 loop_info->has_nonconst_call.
13105 2000-01-04 Matthew Hiller <hiller@redhat.com>
13107 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13110 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13112 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13113 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13115 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13117 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13118 (flag_short_double, flag_short_wchar): Define.
13119 (c_common_nodes_and_builtins): Create many tree nodes shared
13120 between C and C++ here instead of in cp/decl.c and ...
13121 * c-decl.c (init_decl_processing): ... here.
13122 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13123 (flag_short_double, flag_short_wchar): Don't define.
13124 (record_builtin_type): New function.
13125 (build_void_list_node): New function.
13126 * c-common.h (flag_short_double, flag_short_wchar,
13127 record_builtin_type, build_void_list_node): Declare.
13129 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13131 * integrate.c (expand_inline_function): Don't put a virtual
13132 register into the reg map.
13134 * function.c (fixup_var_refs_1): If force_operand didn't put
13135 the address into the target, move it there.
13137 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13139 Special-case tree_decl/tree_list allocations.
13140 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13141 (OBJECT_SIZE): New macro.
13142 (NUM_EXTRA_ORDER): Likewise.
13143 (extra_order_size_table): New variable.
13144 (NUM_ORDERS): New macro.
13145 (objects_per_page_table): New variable.
13146 (object_size_table): New variable.
13147 (G.pages): Use NUM_ORDERS to bound the array.
13148 (G.page_tails): Likewise.
13149 (DIV_ROUND_UP): Remove.
13150 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13151 (alloc_page): Use OBJECT_SIZE.
13152 (size_lookup): Don't make it const.
13153 (ggc_alloc): Use OBJECT_SIZE.
13154 (ggc_set_mark): Likewise.
13155 (ggc_get_size): Likewise.
13156 (init_ggc): Set up the object_size_table, objects_per_page_table,
13157 and adjust size_lookup.
13158 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13159 (ggc_pop_context): Use NUM_ORDERS.
13160 (clear_marks): Likewise.
13161 (sweep_pages): Likewise.
13162 (poison_pages): Likewise.
13163 (ggc_print_statistics): Use OBJECT_SIZE.
13165 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13167 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13168 Only call array_size_for_constructor if last field and array type
13169 with no upper bound.
13171 2001-01-04 Philip Blundell <philb@gnu.org>
13173 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13174 from bit 31 downwards, if this requires no more insns.
13175 (count_insns_for_constant): New helper function for above.
13177 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13179 * gencodes.c (output_predicate_decls): Remove empty initializer.
13181 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13183 * tree.c (copy_node): Remove documentation about obstacks.
13184 (buidl1): Check that nobody tries to build 2-argument nodes this
13187 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13189 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13192 * gencodes.c (output_predicate_decls): Fill empty initializer
13195 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13197 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13198 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13200 (do_include): Handle missing headers like cpp0.
13201 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13202 paths with first include pathname. Don't strcat to uninitialized
13205 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13207 * regrename.c (regrename_optimize): Don't rename from frame pointer
13208 if frame_pointer_needed.
13209 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13210 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13211 (ia64_reorg): Use it instead of scheduling if ! optimize.
13212 (errata_emit_nops): Properly call asm_noperands.
13213 (ia64_sched_reorder): Finish cycle if we see an asm.
13214 (ia64_variable_issue): Clear scheduling state after asms.
13216 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13218 * cpp.texi: Update for -MT.
13219 * cppinit.c (initialize_dependency_output): Add a default
13220 target if none has been given already.
13221 (no_tgt, OPT_MT): New.
13222 (cpp_handle_option): Handle -MT. Update -M etc.
13223 * cpplib.h (struct cpp_options): Remove deps_target.
13224 * gcc.c (cpp_options): Handle -MT.
13225 * mkdeps.c (struct deps): Move from mkdeps.h.
13226 (deps_calc_target): Rename deps_add_default_target. Add a
13227 default target if none has been specified already.
13228 * mkdeps.h (struct deps): Move to mkdeps.c.
13229 (deps_calc_target): Rename deps_add_default_target.
13231 2000-01-03 Richard Henderson <rth@redhat.com>
13233 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13235 * c-typeck.c (push_init_level): Move checks for flexible array
13236 members and zero length arrays ...
13237 (pop_init_level): ... here. Silently discard empty initializations.
13239 * varasm.c (output_constructor): Update for sizeof change to
13240 zero-length arrays.
13242 * extend.texi (Zero Length): Clarify semantics.
13244 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13246 * configure.in (tm.h): Include isns-codes.h last.
13247 * configure: Rebuilt.
13249 2001-01-03 Richard Henderson <rth@redhat.com>
13251 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13252 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13254 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13256 * tradcpp.c (main): Make sure finclude() is called with a valid
13257 indepth value while handling -include.
13259 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13261 * gencodes.c (output_predicate_decls): New function.
13263 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13264 even if it is not the first time machmode.h is #included.
13265 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13266 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13267 * gcc.texi (Copyright): Added 2001.
13269 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13271 * c-common.c (c_common_lang_init): New function. Warn if format
13272 warning options which only have effects when used with -Wformat
13273 are used without -Wformat.
13274 * c-common.h (c_common_lang_init): Declare.
13275 * c-lang.c (lang_init): Call c_common_lang_init.
13276 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13278 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13280 * configure.in: Check for the mktemp command.
13281 * configure: Regenerate.
13282 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13283 $TEMP. Create temporary files with mktemp, if available at
13284 configure time; otherwise use set -C. Remove temporary files
13287 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13289 * configure.in: Require at least texinfo 4.0. Check for whether
13290 Pod::Man is sufficiently recent to regenerate GCC manpages.
13291 * configure: Regenerate.
13292 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13294 (GENERATED_MANPAGES): Define.
13295 (generated-manpages): New target. Depend on cpp.1 as well as
13297 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13298 configure to generated-manpages or empty) rather than on the
13299 manpages directly. Remove execute permission from installed
13300 gcov.1 as well as cpp.1.
13301 * cpp.1, gcov.1: Regenerate.
13303 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13305 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13306 tree_low_cst. Allow using cmpstrsi in more cases.
13308 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13310 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13313 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13315 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13316 * Makefile.in (HOST_CFLAGS): Mention build-make.
13318 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13320 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13323 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13325 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13328 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13331 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13332 reg_base_value and reg_known_value arrays.
13333 (init_alias_analysis): Add more cases to detect known values.
13334 * sched-deps.c (deps_may_trap_p): New function.
13335 (sched_analyze_2): Use it.
13337 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13339 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13340 don't discard an ASHIFTRT if we're shifting in a wider mode.
13342 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13344 * toplev.c (rest_of_compilation): Don't print basic block information
13345 when CFG isn't up to date.
13347 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13349 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13350 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13351 (UNALIGNED_SHORT_ASM_OP): Define.
13352 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13354 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13356 * fold-const.c (fold_convert): Fix typo.
13358 2001-01-02 Richard Henderson <rth@redhat.com>
13360 * c-common.h (ASM_INPUT_P): New.
13361 * c-parse.in (asm): Set it when needed.
13362 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13363 existance of an operand.
13365 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13367 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13368 (dwarf2out_frame_debug_expr): Likewise.
13369 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13371 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13373 * i386.c (ix86_split_to_parts): Return number of part required;
13375 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13377 (ix86_split_long_move): Use number of part returned
13378 by ix86_split_to_parts
13379 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13381 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13382 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13383 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13384 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13385 (ALIGN_MODE_128): Add TFmode.
13386 (IS_STACK_MODE): Likewise.
13387 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13388 (HARD_REGNO_OK): Support TFmodes.
13389 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13390 * i386.md (scheduler definitions): Use memory operand to determine
13391 fst/fld instructions; use mode attribute to determine real mode of
13393 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13394 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13396 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13398 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13400 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13402 * expr.c (store_constructor_field): Update ALIGN before calling
13405 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13407 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13410 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13412 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13415 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13417 * c-decl.c (start_function): Don't warn on third parameter to main.
13419 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13421 * tsystem.h: Define HAVE_DECL_GETOPT.
13423 2001-01-02 Philip Blundell <pb@futuretv.com>
13425 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13428 2001-01-02 Richard Henderson <rth@redhat.com>
13430 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13432 2001-01-02 Andreas Jaeger <aj@suse.de>
13434 * c-decl.c (c_decode_option): Remove support of
13435 -Wmissing-noreturn.
13437 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13438 (W_options): Add -Wmissing-noreturn here.
13440 * flow.c: Define lang_missing_noreturn_ok_p.
13441 (check_function_return_warnings): Use it.
13443 * c-common.h: Declare lang_missing_noreturn_ok_p.
13445 * c-lang.c (c_missing_noreturn_ok_p): New function.
13446 (lang_init): Set lang_missing_noreturn_ok_p.
13448 * invoke.texi (Warning Options): Document this.
13450 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13452 * extend.texi (C++ Extensions): New node for C++ attributes;
13453 describe init_priority and com_interface.
13454 * invoke.texi: Remove -finit-priority as it now has zero effect.
13455 * install.texi: Fix xref syntax.
13456 * md.texi: Likewise.
13458 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13460 * config.gcc (sparc64-wrs-vxworks*): New case.
13461 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13463 * config/sparc/sparc.c (sparc_override_options): Do support different
13464 pointer and architecture size.
13465 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13466 (POINTERS_EXTEND_UNSIGNED): Define.
13467 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13468 (FUNCTION_MODE): Define to be Pmode.
13469 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13471 * function.c (expand_function_end): Properly handle DECL_RESULT
13472 and copy when ptr_mode != Pmode.
13473 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13475 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13477 * c-common.c (c_common_nodes_and_builtins): Set prototype
13478 parameters for __builtin_fputs, __builtin_fputc and
13479 __builtin_fwrite. Don't declare plain fputc as a builtin.
13481 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13483 * loop.c (add_label_notes): Increment the label usage count when
13484 a note is added to an insn which refers to a CODE_LABEL.
13485 * gcse.c (add_label_notes): Likewise.
13487 2001-01-01 Andreas Jaeger <aj@suse.de>
13489 * loop.c (scan_loop): Use xmalloc to allocate movables.
13491 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13493 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13494 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13495 * reload1.c (REGISTER_MOVE_COST): Likewise.
13496 * regclass.c (REGISTER_MOVE_COST): Likewise.
13497 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13498 dimension. Adjust all users.
13499 (init_reg_sets_1): Iterate on all modes.
13500 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13501 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13502 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13503 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13504 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13505 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13506 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13507 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13508 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13509 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13510 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13511 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13512 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13513 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13514 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13515 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13516 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13517 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13518 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13519 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13520 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13521 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13522 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13523 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13524 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13525 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13526 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13528 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13530 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13531 arg VARIES_P. Call it with extra arg.
13532 (true_dependence): Likewise.
13533 * rtl.h (rtx_addr_can_trap_p): Declare.
13534 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13536 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13537 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13538 pic offset table register if it's zero. All callers changed.
13539 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13541 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13543 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13544 STRING_POOL_ADDRESS_P.
13546 * config/sparc/sparc.c (input_operand): Properly test for short op.
13548 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13549 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13550 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13551 * config/sparc/elf.h: No longer include sol2.h.
13552 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13553 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13555 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13557 2001-01-01 Michael Hayes <mhayes@redhat.com>
13559 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13560 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13561 (record_initial): Likewise.
13562 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13563 (remap_split_bivs): Likewise.
13565 2001-01-01 Michael Hayes <mhayes@redhat.com>
13567 * loop.c (loop_ivs_free): New function.
13568 (strength_reduce): Break out from...
13570 2001-01-01 Michael Hayes <mhayes@redhat.com>
13572 * loop.h (struct iv): New.
13573 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13574 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13575 'reg_biv_class' fields with 'regs' and 'n_regs'.
13576 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13577 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13578 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13580 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13582 * resource.c (mark_referenced_resources): Abort() before
13583 attempting to mark a pseudo register.
13584 (mark_set_resources): Likewise.
13586 2001-01-01 Michael Hayes <mhayes@redhat.com>
13588 * loop.h (REG_IV_CLASS): New accessor macro.
13589 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13590 * unroll.c (REG_IV_CLASS): Likewise.
13592 See ChangeLog.4 for earlier changes.