1 2001-06-21 Phil Edwards <pme@sources.redhat.com>
3 * doc/install.texi: Add 'c' to list of --enable-languages choices.
5 2001-06-21 DJ Delorie <dj@redhat.com>
7 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
9 * integrate.c (ggc.h): Include.
10 (initial_value_pair, initial_value_struct,
11 setup_initial_hard_reg_value_integration): Add prototypes.
12 (expand_inline_function): Call
13 setup_initial_hard_reg_value_integration.
14 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
15 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
16 to keep track of values present at the start of a function.
17 (mark_hard_reg_initial_vals): New, for gc.
18 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
19 mappings for initial values.
20 (emit_initial_value_sets): New. Emits code to set initial value
22 * integrate.h: Add prototypes for new functions.
23 * function.h (struct function): Add hard_reg_initial_vals field.
24 * function.c (integrate.h): Include.
25 (mark_function_status): Call
26 mark_hard_reg_initial_vals.
27 * toplev.c (integrate.h): Include.
28 (rest_of_compilation): Call emit_initial_value_sets.
30 2001-06-21 Stan Shebs <shebs@apple.com>
32 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
33 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
34 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
35 everywhere instead of "Objective C".
37 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
39 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
40 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
41 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
42 "back end" as nouns and "front-end" and "back-end" as adjectives.
44 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
46 * predict.c (estimate_probability): Fix loop bounds.
48 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
50 * toplev.c (rest_of_compilation): Run mark_constant_function
53 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
55 * predict.c (estimate_loops_at_level, propagate_freq
56 estimate_bb_frequencies, count_to_freqs): New functions.
57 (estimate_probability): Call estimate_bb_frequencies.
58 * basic-block.h (basic_block_def): Add field "freq".
59 (BB_FREQ_MAX): New constant.
61 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
63 * sh.c (barrier_align): Don't ask for alignment when seeing a
64 branch-around-a-jump from machine_dependent_reorg.
66 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
68 * ssa.c (rename_block): Update parameter to remove_phi_alternative
69 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
70 re-running life analysis.
72 2001-06-20 Stan Shebs <shebs@apple.com>
74 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
75 also use memset to clear the hash tables.
76 (hash_enter): Assume xmalloc always succeeds.
77 (hash_add_attr): Ditto.
78 (continue_class): Ditto.
80 2001-06-20 Michael Meissner <meissner@redhat.com>
82 * builtins.c (predict.h): Include.
83 (expand_builtin_expect): Update comment.
84 (expand_builtin_expect_jump): New function to expand
85 __builtin_expect inside of a conditional jump expansion.
87 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
88 __builtin_expect (<test>, 1).
90 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
92 * rtl.h (expand_builtin_expect_jump): Add prototype.
94 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
96 * doc/rtl.texi (Machine Modes): Correct description of
97 floating-point modes on machines with non-8-bit bytes.
99 2001-06-19 Bernd Schmidt <bernds@redhat.com>
101 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
102 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
105 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
107 * ssa.c (remove_phi_alternative): Remove declaration. No longer
108 static. Second argument is a pointer to a basic block structure,
109 not a basic block index.
110 (convert_to_ssa): Do not remove dead code.
111 (convert_from_ssa): Do not remove dead code to create death notes.
112 * ssa.h (remove_phi_alternative): Declare.
114 * flow.c (delete_unreachable_blocks): Fix patch error in
115 previous change (call to find_unreachable_blocks was lost).
117 * ssa.c (ssa_uses): Remove definition.
118 (apply_delayed_renames): Don't grow ssa_uses.
119 (rename_block): Remove comment related to ssa_uses.
120 (rename_registers): Do not initialize ssa_uses.
121 (convert_from_ssa): Do not free ssa_uses.
123 * ssa-dce.c: Renamed from dce.c.
124 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
125 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
128 2001-06-19 Eric Christopher <echristo@redhat.com>
130 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
131 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
132 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
134 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
136 * sh.c (output_branch): Delete bogus code.
138 * sh.c (initial_elimination_offset):
139 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
141 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
143 * flow.c (find_unreachable_blocks): New function.
144 (delete_unreachable_blocks): Use find_unreachable_blocks.
145 * basic-block.h (find_unreachable_blocks): Declare.
147 * dce.c (eliminate_dead_code): Fix formatting glitch.
149 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
151 * c-common.h (RETURN_NULLIFIED_P): New macro.
152 * c-semantics.c (genrtl_return_stmt): Check it.
154 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
155 (emit_block_move): Likewise.
157 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
159 * unroll.c: Include predict.h.
160 (unroll_loop): Drop prediction notes on preconditioning.
161 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
162 New; add comments on the others.
163 * Makefile.in: (unroll.o): Add dependancy on predict.h.
164 * loop.c (strength_reduce): Fix branch prediction.
166 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
168 * stmt.c (emit_case_nodes): Optimize test whether index is in given
171 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
173 * predict.c (estimate_probability): Do not bail out early
174 when note is present.
175 (combine_predictions_for_insn): Fix note removal code.
177 2001-06-18 Ben Elliston <bje@redhat.com>
179 * except.c (resolve_fixup_regions): Initialise "cleanup".
181 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
183 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
185 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
187 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
188 use put_var_into_stack.
190 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
192 * gccspec.c (lang_specific_driver): If compiling ObjC, add
193 -shared-libgcc when necessary.
194 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
196 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
198 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
199 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
200 bitmap_last_set_bit. All for compatibility with sbitmap's.
202 *bitmap.c (bitmap_zero): New function.
203 (bitmap_union_of_diffs): New function.
204 (bitmap_first_set_bit): New function.
205 (bitmap_last_set_bit): New function.
207 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
209 * cpp.texi, invoke.texi: Update.
210 * cpp.1, gcc.1: Regenerate.
212 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
214 * i386.md (minsf): Fix splitter. (PR fortran/3191)
216 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
218 * doc/cpp.texi: Update.
219 * doc/cpp.1: Regenerate.
221 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
223 * doc/install.texi: Use correct markup hints.
225 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
227 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
229 * explow.c (expr_size): If DECL and size specified, use it.
231 2001-06-15 Zack Weinberg <zackw@stanford.edu>
233 * doc/cpp.texi: Formatting corrections.
234 Correct buggy example of use of __GNUC__ etc.
235 Clarify $ in identifiers.
236 * doc/cpp.1: Regenerate.
238 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
240 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
242 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
244 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
246 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
247 Added Tru64 UNIX V5.1 bootstrap hints.
248 (Specific, alpha*-*-osf*): Removed old section, obsolete.
250 2001-06-15 Andreas Jaeger <aj@suse.de>
252 * doc/install.texi (Specific): Mention that glibc cannot be
253 compiled with GCC 3.0.
255 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
257 * combine.c (nonzero_bits): Don't optimize away division by
260 2001-06-15 Zack Weinberg <zackw@stanford.edu>
262 * doc/cpp.texi: Revised and brought up to date.
263 * doc/cpp.1: Regenerate.
265 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
267 * doc/install.texi: Update --enable-threads to match reality.
269 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
271 * doc/install.texi: Update for C4x.
272 * README.C4X: Remove.
274 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
276 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
277 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
278 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
279 Consistently use "built-in" and "bit-field". Minor logical markup
281 * doc/gcc.1: Regenerate.
283 2001-06-14 Richard Henderson <rth@redhat.com>
285 * config/mips/mips.md (exception_receiver): New.
287 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
289 * doc/gcc.texi: Update passes documentation to be more in tune
292 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
294 * i386.c (ix86_expand_prologue): Fix merging conflict.
296 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
298 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
299 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
300 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
301 logical markup. Use TeX quotes and dashes. Use @dots{} and
302 @minus{}. Avoid spaces inside @var. Update last modification
304 * doc/gcc.1, doc/gcov.1: Regenerate.
306 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
308 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
309 x86_epilogue_using_move): New global variables.
310 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
311 (ix86_emit_save_regs_using_mov): New static function.
312 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
313 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
314 MASK_MIX_SSE_I387): Renumber.
315 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
316 (x86_accumulate_outgoing_args, x86_prologue_using_move,
317 x86_epilogue_using_move): Declare.
318 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
320 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
322 * inclhack.def (hpux10_cpp_pow_inline): New hack.
324 2001-06-13 Richard Henderson <rth@redhat.com>
326 * ifcvt.c (dead_or_predicable): Fix return value last patch.
328 2001-06-13 Mark Mitchell <mark@codesourcery.com>
332 2001-06-13 Richard Henderson <rth@redhat.com>
334 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
335 (cond_exec_process_if_block, dead_or_predicable): Likewise.
337 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
339 * mips-tfile.c (copy_object): Always pass indexNil for symbol
342 2001-06-13 Kazu Hirata <kazu@hxi.com>
344 * config/h8300/h8300.h (OK_FOR_T): Remove.
345 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
346 * config/h8300/h8300.md: Remove alternatives involving inc and dec
347 in the helper patterns for addhi3 and addsi3.
349 2001-06-13 Phil Edwards <pme@sources.redhat.com>
351 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
353 2001-06-13 Zack Weinberg <zackw@stanford.edu>
355 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
356 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
358 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
359 config/alpha/t-osf4, config/mips/t-iris6: Extract all
360 references to @shlib_map_file@, @shlib_objs@, or
361 @shlib_base_name@ to Makefile variables.
362 Bump soname version of libgcc to 1.
364 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
366 * doc/install.texi: Use more logical markup. Include @node
367 commands in the source when generating any non-HTML.
369 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
371 * README: Remove. Some of the contents moved to ../README.
373 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
375 * doc/install.texi (--enable-shared): List package names
378 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
380 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
381 (*-*-solaris*): Document problem in /bin/sh that affects
382 configuring libraries.
383 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
384 (*-sun-solaris2.8): Document linker problem that explains why
385 libjava is disabled by default.
387 2001-06-09 Mark Mitchell <mark@codesourcery.com>
390 * toplev.c (rest_of_compilation): Remove dead code before
393 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
396 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
397 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
398 * configure: Rebuilt.
400 2001-06-12 Jim Wilson <wilson@redhat.com>
402 * loop.c (strength_reduce): Move bl->all_reduced set before
403 check_ext_dependant_givs call.
404 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
406 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
408 * doc/extend.texi (Function Attributes): Document SH's sp_switch
411 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
413 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
416 2001-06-12 Richard Henderson <rth@redhat.com>
418 * config/i386/i386.c (ix86_expand_prologue): Always use
419 gen_pro_epilogue_adjust_stack; update arguments.
420 (ix86_expand_epilogue): Likewise.
421 (ix86_emit_epilogue_esp_adjustment): Remove.
422 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
423 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
424 clobber of scratch memory instead of a modification of EBP as the
425 barrier. Update all peepholes to match.
427 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
429 * doc/gcc.texi: Change the font used for @def... commands to a
431 * doc/extend.texi: Use more logical markup. Use "built-in"
432 instead of "builtin". Use @deftypefn to mark up built-in
433 functions; specify their types in the @deftypefn and not in the
434 descriptive text. Use TeX quotes and dashes. Add more index
437 2001-06-12 lars brinkhoff <lars@nocrew.org>
439 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
440 (DIR_SEPARATOR_2): Likewise.
442 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
444 * doc/install.texi (--exec-prefix, --bindir, --libdir,
445 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
447 (--enable-cpp): Change to document --disable-cpp instead; update
448 to reflect current default.
449 (--without-fast-fixincludes): Remove documentation.
450 (Final install): Document installation directories in more
451 detail. Document use of make dvi.
453 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
455 * recog.c (validate_replace_rtx_1): Fix previous patch.
457 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
459 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
461 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
463 * simplify-rtx.c (simplify_subreg): Allow volatile memory
464 to be subregged in case we don't have move instruction.
466 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
468 * loop.c: Include predict.h
469 (strength_reduce): Drop branch prediction note in case
470 number of iterations is known.
471 * predict.def (PRED_LOOP_ITERATIONS): new.
472 * Makefile.in (loop.o): Add dependancy on predict.h
474 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
476 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
478 * c-typeck.c (c_start_case): Likewise.
480 2001-06-12 Mark Mitchell <mark@codesourcery.com>
482 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
483 in a structure at a variable address.
485 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
487 * doc/gcov.texi: Use more logical markup.
489 2001-06-11 Mark Mitchell <mark@codesourcery.com>
491 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
492 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
493 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
496 2001-06-11 Stan Shebs <shebs@apple.com>
498 * darwin.h (ASM_FILE_END): Remove decl of language_string.
500 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
502 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
503 as an early clobber to make sure it is not used by reload in
506 2001-06-11 Mark Mitchell <mark@codesourcery.com>
508 * doc/c-tree.texi: Update information about flag_honor_std.
509 * doc/install.texi: Note that binutils is required on HPUX 11.
510 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
513 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
514 variable-sized types.
516 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
518 * doc/md.texi: Use TeX dashes and quotes.
520 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
522 * doc/rtl.texi: Reference manual chapter about trees.
524 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
526 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
527 (WINT_TYPE): Override.
528 (WINT_TYPE_SIZE): Likewise.
529 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
531 * config/sparc/sol2.h (WINT_TYPE): Define.
532 (WINT_TYPE_SIZE): Likewise.
534 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
535 (WINT_TYPE): Override.
536 (WINT_TYPE_SIZE): Likewise.
537 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
538 (CPP_ARCH64_SPEC): Likewise.
540 2001-06-11 Richard Henderson <rth@redhat.com>
542 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
543 with alias attribute.
545 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
546 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
548 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
550 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
552 2001-06-11 Stan Shebs <shebs@apple.com>
554 * darwin.c (darwin_encode_section_info): Rewrite to simplify
555 and fix coding mistakes.
557 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
559 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
560 return string from m32r_output_block_move.
561 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
563 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
565 (ROUND_ADVANCE): Remove signed/unsigned conflict.
566 * config/m32r/m32r.c: Declare prototypes for static functions.
567 (move_src_operand): Replace INT32_P with UINT32_P.
568 (function_arg_partial_nregs): Fixed signed/unsigned conflict
569 in initialisation of 'size'.
570 (m32r_sched_reord): Remove redundant declarations of 'code'.
571 (m32r_output_block_move): Change to a void function.
572 (m32r_encode_section_info): Cast return of
573 TREE_STRING_POINTER to avoid compile time warning.
575 2001-06-11 Richard Henderson <rth@redhat.com>
577 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
578 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
579 (struct machine_function): Add gp_save_rtx.
580 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
581 (alpha_gp_save_rtx): New.
582 * config/alpha/alpha-protos.h: Declare it.
583 * config/alpha/alpha.md (exception_receiver): Make an expander.
584 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
586 2001-06-11 Richard Henderson <rth@redhat.com>
588 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
590 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
592 * configure.in: Align --help messages.
593 Remove trailing full stops.
594 Consistently use lower case.
595 Fix DWARF 2 spelling.
596 * configure: Rebuilt.
598 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
600 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
601 variants for .cpp/.cp/.c++ files.
602 Move definition of __LANGUAGE_C_PLUS_PLUS ...
603 (CPLUSPLUS_CPP_SPEC): ... here.
605 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
607 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
609 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
611 * c-decl.c (store_parm_decls): When comparing types in an
612 old-style function declaration with those from a previous
613 prototype, compare the unqualified versions of parameter types.
616 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
618 * doc/objc.texi: Use more logical markup. Use TeX dashes.
620 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
622 * doc/c-tree.texi: Use more logical markup.
624 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
626 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
628 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
630 * loop.c (scan_loop): Do not combine asm statements.
632 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
634 * simplify-rtx.c (simplify_subreg): Fix offset calculation
635 for complex values within a CONCAT.
637 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
639 * doc/install.texi: Update details of what components are included
640 in the GCC distribution. Update default directory for g++
641 includes. Update documentation relating to old libio. Adjust
642 documentation on DejaGnu environment variables. Remove
643 documentation of --enable-cpplib.
645 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
647 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
650 2001-06-10 Richard Henderson <rth@redhat.com>
652 * ifcvt.c (life_data_ok): New.
653 (merge_if_block): Use it to determine whether to update
655 (if_convert): Set it.
657 2001-06-10 Richard Henderson <rth@redhat.com>
659 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
661 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
663 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
664 (SH Options): Document -mieee.
665 * doc/install.texi (Final install): Remove obsolete information
666 about installing cross compilers.
667 * doc/gcc.1: Rebuilt.
669 2001-06-10 Richard Henderson <rth@redhat.com>
671 * config/alpha/alpha.c (override_options): Set align_loops,
672 align_jumps, and align_functions.
673 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
674 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
676 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
678 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
679 are one and two words in size.
681 2001-06-10 Richard Henderson <rth@redhat.com>
683 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
684 (Code Generation Options): Document -fnon-call-exceptions.
686 2001-06-10 Mark Kettenis <kettenis@gnu.org>
688 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
690 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
692 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
694 2001-06-10 Mark Mitchell <mark@codesourcery.com>
695 Gabriel Dos Reis <gdr@codesourcery.com>
697 * Makefile.in (c-parse.o): Depend on diagnostic.h
698 (dwarf2out.o): Likewise.
700 * dwarf2out.c: #include diagnostic.h
702 * toplev.h (warningcount, errorcount, sorrycount): Remove
705 * toplev.c (warningcount, errorcount, sorrycount): Remove
708 * diagnostic.h (struct output_buffer): Reorder fields.
709 (diagnostic_kind_count): New macro.
710 (errorcount, warningcount, sorrycount): Define as macros.
711 (diagnostic_report_warnings_p): New macro.
712 (output_state): Add diagnostic_count field.
714 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
715 Remove tentative declaration.
716 (count_error): Use diagnostic_report_warnings_p.
718 * c-parse.in: #include diagnostic.h
720 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
722 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
723 prefer a memory for operand 1.
724 ("*addsi3"): Fix constraints, the '!' was too strong.
725 ("*addsi3_split"): Accept soft register and split accordingly.
727 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
729 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
730 Move definition in the RTX_CODE section.
732 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
734 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
735 address as relative to the argument pointer.
737 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
739 * predict.def (PRED_OPCODE): Place before call and error_return.
741 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
743 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
744 * predict.c (estimate_probability): Calculate dominance
745 information; improve detection of NORETURN heuristics;
746 add call/error_return heuiristics; tweak comparison heuristics
749 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
751 * doc/invoke.texi (C Dialect Options): Document -aux-info.
752 (Debugging Options): Document -print-multi-directory and
754 * doc/gcc.1: Rebuilt.
756 * toplev.c (independent_decode_option): Require `=' between
757 `-aux-info' and filename in the same argument.
758 * gcc.c: Don't pass -aux-info=filename twice.
760 2001-06-09 Mark Mitchell <mark@codesourcery.com>
762 * expr.c (expand_expr, case ARRAY_REF): Do not replace
763 an array element with the known initializing value if it has
766 * toplev.c (rest_of_compilation): Remove dead code before
769 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
771 * cppinit.c (print_help): Document -fpreprocessed.
772 * invoke.texi: Similarly.
774 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
776 * predict.def: New file.
777 * predict.h: New file.
778 * predict.c: Include predict.h.
779 (predictor_info): New structure and array.
780 (predict_edge, predict_insn): Rewrite; make global.
781 (predict_edge_def, predict_insn_def): New global functions.
782 (dump_prediction, combine_predictions_for_insns): New
784 (estimate_probability): Change calls to predict_edge
785 to predict_edge_def and calls to predict_insn to predict_insn_def;
786 combine probabilities.
787 (expected_value_to_br_prob): Behave as predictor.
788 * rtl.h (REG_BR_PRED): Update coment.
789 (invert_br_probabilities): New.
790 * jump.c: Include predict.h
791 (duplicate_loop_exit_test): Drop branch prediction notes.
792 (invert_jump): Use invert_br_probabilities.
793 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
794 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
795 * combine.c (distribute_notes): Handle BR_PRED.
797 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
799 * predict.c (predict_insn, predict_edge): New static functions.
800 (estimate_probability): Revamp to use new functions;
801 fix loop header heruistics; add loop exist heruistics
803 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
805 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
807 2001-06-09 Peter Jakubek <pjak@snafu.de>
809 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
811 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
813 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
814 for integer operations that don't update C bit.
816 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
818 * gthr-posix.h (__gthread_objc_init_thread_system): If
819 pthread_key_create fails, it's not clear what the return value is.
820 This obvious fix makes sure it always returns -1 if a problem
823 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
825 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
826 more index entries. Use more logical markup where appropriate.
827 Use TeX quotes and dashes.
829 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
831 * unwind-pe.h: Conditionally qualify references to abort with
834 2001-06-09 Julian Foad <julian_foad@hotmail.com>
836 * doc/invoke.texi: Remove superfluous text.
838 2001-06-08 Richard Henderson <rth@redhat.com>
840 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
841 (LIB_SPEC): Mirror config/linux.h version.
843 2001-06-08 Richard Henderson <rth@redhat.com>
845 * except.c (get_exception_pointer, get_exception_filter): Take a
846 struct function. Update all callers.
847 * except.h (get_exception_pointer): Update declaration.
848 * expr.c (expand_expr): Update get_exception_pointer call.
849 * integrate.c (expand_inline_function): Remap the exception pointer
850 from callee to caller.
852 2001-06-08 Mark Mitchell <mark@codesourcery.com>
854 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
855 accurately reflect its cv-qualification.
856 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
857 cv-qualifiers on function types.
859 2001-06-08 Mark Mitchell <mark@codesourcery.com>
861 * basic-block.h: Improve comments.
862 * except.c (expand_eh_region_end_allowed): Remove redundant call
863 to do_pending_stack_adjust.
864 * flow.c (life_analysis): Fix typo in comment.
865 (calculate_global_regs_live): Add documentation.
866 (mark_set_1): Likewise.
867 (debug_regset): Likewise.
868 * doc/rtl.texi (cond_exec): Document it.
870 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
872 * i386.h (CONST_COSTS): set cost of constants representable in
873 immediate fields to 0.
875 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
877 * function.c (diddle_return_value): Kill code to determine
878 return value before expand_function_end.
879 (expand_function_end): Delay call to clobber_return_register
880 after fucntion return value is computed.
882 Re-install temporary reverted patch:
883 * toplev.c (rest_of_compilation): Call split_all_insns
884 before reg-stack and shorten-branches. Do shorten-branches
886 * final.c (shorten_branches): Remove insn splitting code.
888 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
890 * doc/gcc.texi, doc/invoke.texi: Add index of command line
891 options. Use @opindex to index them rather than other indexing
892 commands. Use @var{...} instead of <...>. Avoid spaces in names
893 inside @var. Don't use @kindex to index escape sequences in
896 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
898 * stmt.c (current_nesting_level): New fn.
899 * tree.h: Declare it.
900 * c-semantics.c (genrtl_compound_stmt): Use it.
902 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
904 2001-06-08 Jakub Jelinek <jakub@redhat.com>
906 * jump.c (mark_modified_reg): Allow jump threading if condition
907 codes are represented by a hard register.
909 2001-06-08 Jakub Jelinek <jakub@redhat.com>
911 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
912 for complex floats passed to unprototyped functions.
914 2001-06-08 Mark Mitchell <mark@codesourcery.com>
916 * except.c (expand_eh_region_end_allowed): Call
917 do_pending_stack_adjust as necessary.
919 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
921 * function.c (clobber_return_register): Clobber the pseudo return
924 * sibcall.c (skip_unreturned_value): New function.
925 (call_ends_block_p): Use it.
927 * recog.c (split_insn): Break out from ...
928 (split_all_insns): ... here; do not use basic block information
931 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
933 * simplify-rtx.c (simplify_subreg): Fix verification of
936 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
938 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
939 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
940 Move definition of _LANGUAGE_C_PLUS_PLUS ...
941 (CPLUSPLUS_CPP_SPEC): ... here.
942 Fixes PRs c++/3047, target/441.
944 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
946 * doc/install.texi2html (MAKEINFO): Keep value if set already.
948 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
950 * doc/gcc.texi: Add trailing slash to URL.
952 2001-06-07 Stan Shebs <shebs@apple.com>
954 * config/darwin.h (ENCODE_SECTION_INFO): Define.
955 (REDO_SECTION_INFO_P): Ditto.
956 (STRIP_NAME_ENCODING): Ditto.
957 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
958 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
959 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
960 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
961 * config/darwin.c: No longer include c-tree.h.
962 (machopic_classify_ident): Rewrite to use symbol encoding.
963 (lookup_name_darwin): Remove.
964 (machopic_non_lazy_ptr_name): Handle encoded symbols.
965 (machopic_stub_name): Use STRIP_NAME_ENCODING.
966 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
967 (machopic_finish): Ditto, remove test of decl.
968 (update_non_lazy_ptrs): New function.
969 (darwin_encode_section_info): New function.
970 * config/darwin-protos.h: Declare it.
971 * config/rs6000/rs6000.c (machopic_output_stub): Use
974 2001-06-07 Mark Mitchell <mark@codesourcery.com>
976 * tree.h (DECL_SOURCE_FILE): Improve documentation.
977 (DECL_SOURCE_LINE): Likewise.
979 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
981 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
984 2001-06-07 Phil Edwards <pme@sources.redhat.com>
986 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
987 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
989 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
991 * doc/contrib.texi: Add copyright notice.
993 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
995 * doc/md.texi: Use four digit years in copyright notice.
997 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
999 * config.gcc: For $target_alias of athlon-*, set
1000 target_cpu_default2=5.
1002 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1004 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1005 end of last block if last real insn is a JUMP_INSN.
1007 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1011 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1013 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1014 pthread_t to objc_thread_t.
1015 (__gthread_objc_thread_id): Likewise.
1017 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1019 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1020 (ASM_OLDAS_SPEC): Likewise.
1022 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1023 (CPP_SUBTARGET_SPEC): Use it.
1024 (ASM_OLDAS_SPEC): Define.
1026 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1028 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1030 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1031 passed by reference.
1033 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1035 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1036 Document use of N_(...), and show it in examples. Note that
1037 documentation should be added to invoke.texi. Avoid an overfull
1040 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1042 * toplev.c (rest_of_compilation): Revert previous patch.
1043 * final.c (shorten_branches): Likewise.
1045 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1047 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1050 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1052 * doc/install-old.texi: Remove more obsolete documentation.
1054 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1056 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1058 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1060 * toplev.c (rest_of_compilation): Call split_all_insns
1061 before reg-stack and shorten-branches. Do shorten-branches
1063 * final.c (shorten_branches): Remove insn splitting code.
1065 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1067 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1068 * configure: Rebuilt.
1070 2001-06-07 Andreas Jaeger <aj@suse.de>
1072 * emit-rtl.c (operand_subword): Remove unused variable.
1074 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1076 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1077 if TARGET_64BIT is false.
1078 (floatdi?f_i386_only): New insn.
1079 (floatdi?f_i386): Disable for !TARGET_64BIT.
1081 * (min?f, max?f splitters): Handle case where
1082 operands are cross-matched.
1084 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1085 (MMX_REGISTER_NAMES): Kill.
1086 (PRINT_OPERAND): Fix comment.
1087 (PRINT_REG): Likewise.
1088 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1089 (print_operand): Update comment; kill 'm'.
1091 * i386.c (x86_branch_hints): New global variable
1092 (print_operand): Support outputting of branch prediction hints.
1093 * i386.md (conditional jump patterns): Add branch prediction hints
1095 * i386.h (x86_branch_hints): Declare
1096 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1097 (PRINT_OPERAND_FUNCT_VALID_P): New.
1098 * final.c (final_forward_branch_p): New function.
1100 2001-06-06 Richard Henderson <rth@redhat.com>
1102 * flow.c (mark_used_reg): Clean up looping over multiple hard
1103 registers. Do conditional life bits across multiple hard regs.
1105 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1107 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1108 deleted during reload.
1110 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1112 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1113 functions here, instead of ...
1114 * c-decl.c (c_expand_body): ... here.
1116 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1118 * config.gcc, config/sparc/bsd.h: Do not directly include
1119 sparc/sparc.h. Instead do it via tm_file.
1121 2001-06-05 Richard Henderson <rth@redhat.com>
1123 * dwarf2.h (DW_EH_PE_aligned): New.
1124 * dwarf2asm.c (eh_data_format_name): Name it.
1125 (dw2_asm_output_encoded_addr_rtx): Align for it.
1126 * dwarf2out.c (output_call_frame_info): Handle it for personality
1127 routine and LSDA pointers.
1129 * unwind-pe.h (DW_EH_PE_aligned): New.
1130 (base_of_encoded_value): Handle it.
1131 (read_encoded_value_with_base): Likewise.
1132 * unwind-dw2-fde.c (base_from_object): Likewise.
1133 (get_cie_encoding): Likewise.
1135 * config/alpha/elf.h: Remove ecoff commentary.
1136 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1138 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1140 * config.gcc, config/i386/bsd386.h: Do not directly include
1141 i386/386bsd.h. Instead do it via tm_file.
1143 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1145 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1148 2001-06-05 Pascal Obry <obry@act-europe.fr>
1150 * configure.in: Quote $enable_win32_registry in case the value has
1154 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1156 * print-rtl.c (xspaces): Remove.
1157 (print_rtx): Use printf field-width, rather than xpsaces, to
1159 * toplev.c (main): Disable sibling-call optimization if we are
1160 handling exceptions.
1162 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1164 * reload1.c (reload): Delete all USEs generated during reload.
1166 2001-06-05 scott snyder <snyder@fnal.gov>
1168 * gccbug.in: Fix typo.
1170 2001-06-05 Andreas Jaeger <aj@suse.de>
1172 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1173 parameter and return value.
1175 2001-06-04 Anthony Green <green@redhat.com>
1177 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1178 machine. This is now done in sparc.h.
1180 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1182 Correct CVS resurrection of invoke.texi.
1183 * doc/invoke.texi: Document new tree dump flags.
1185 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1187 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1188 for casting an aggregate to its own type. Fixes PR c/2735.
1190 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1192 * doc/texinfo.tex: Update to version 2001-05-24.08.
1194 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1196 * c-common.h (flag_dump_translation_unit): Remove.
1197 (enum tree_dump_index): Define.
1198 (TDF_ADDRESS, TDF_SLIM): New #defines.
1199 (dump_node_to_file): Remove.
1200 (dump_node): Make extern. Add flags.
1201 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1202 dump_switch_p): Prototype.
1203 * c-common.c (flag_dump_translation_unit): Remove.
1204 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1205 logic. Use dump_switch_p.
1206 * c-dump.h (struct dump_info): Add node and user fields.
1207 (dump_pointer): Declare.
1208 * c-dump.c (dump_node): Make extern. Add flags.
1209 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1210 (dump_new_line, dump_maybe_newline): Use them.
1211 (dump_pointer): New function.
1212 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1213 chain or function's body. Dump address, if TDF_ADDRESS set.
1214 (dump_flag): Define.
1215 (dump_node_to_file): Remove.
1216 (struct dump_file_info): New struct.
1217 (dump_files): New array.
1218 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1219 * c-lang.c (finish_file): Adjust dumping.
1220 * toplev.h (dump_base_name): Make extern.
1221 * invoke.texi: Document new flags.
1223 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1225 * c-tree.h (lang_decl): Add pending_sizes fields.
1226 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1228 (c_expand_body): Expand them.
1229 (lang_mark_tree): Mark lang_decl:pending_sizes.
1230 * function.c (expand_pending_sizes): New function, broken out
1232 (expand_function_start): ... here.
1233 * tree.h (expand_pending_sizes): Declare it.
1235 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1237 * doc/install.texi: Update FreeBSD information. Generalize
1238 and update information for alpha-based platforms using ELF.
1240 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1242 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1243 (store_parm_decls): Likewise.
1244 * c-typeck.c (convert_arguments): Likewise.
1246 2001-06-04 Richard Henderson <rth@redhat.com>
1248 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1249 optimization if current_function_calls_setjmp.
1251 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1253 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1256 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1258 * simplify-rtx.c (simplify_subreg): Fix combining of
1259 paradoxical subregs.
1261 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1263 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1264 (no_labels_between_p): Short circuit case beg==end.
1266 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1268 * rtlanal.c (operand_preference): Fix preference for objects.
1270 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1272 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1275 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1277 * combine.c (if_then_else_cond): Use simplify_subreg instead
1279 * integreate.c (sub_constants): Likewise.
1281 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1283 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1284 and use simplify_gen_subreg.
1286 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1288 * sibcall.c (skip_copy_to_return_value): recognize the situation
1289 when the called function's return value is copied into an
1290 intermediate pseudo, and then into the calling functions return
1293 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1295 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1296 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1297 in case register wasn't OK previously, accept it now; allow
1298 subregs of frame pointer if reload completed and frame pointer
1301 * combine.c (sombine_simplify_rtx): Fix comment;
1302 use subreg_lowpart_offset instead of subreg_lowpart_p
1303 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1304 * rtl.h (subreg_lowpart_parts_p): Kill.
1305 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1306 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1307 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1308 (gen_lowpart_common): Likewise.
1309 (subreg_lowpart_p): Likewise.
1310 (subreg_lowpart_parts_p): Kill.
1311 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1313 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1314 to simplify SUBREG and REG.
1315 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1317 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1320 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1322 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1324 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1325 (ARRAY_RANGE_REF): Added description.
1327 * tree.def (ARRAY_RANGE_REF): New code.
1328 * alias.c (handled_component_p, can_address_p): Handle it.
1329 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1330 * explow.c (set_mem_attributes): Likewise.
1331 * expr.c (expand_assignment, get_inner_reference): Likewise.
1332 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1333 * fold-const.c (operand_equal_p): Likewise.
1334 * tree.c (staticp, stabilize_reference): Likewise.
1335 * varasm.c (decode_addr_const): Likewise.
1337 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1339 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1340 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1342 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1344 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1345 mark_constant_pool_use before output_addr_const.
1346 (struct pool_node): New field wend.
1347 (add_constant): Note a sequence of constants that are referenced
1349 (pool_window_label, pool_window_last): New variables.
1350 (dump_table): Emit a unspec_volatile representing the end of a
1351 sequence of constants.
1352 (mark_constant_pool_use): New function.
1353 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1354 (consttable_2): Add the second operand which flags whether
1355 this consttable entry was used or not.
1356 (consttable_4, consttable_8, consttable_sf, consttable_df):
1358 (consttable_window_end): New insn.
1360 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1362 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1363 Reformat according to coding standards.
1366 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1367 (shl_and_kind): Cast wide constant.
1368 (gen_far_branch): Define as static, as in declaration.
1369 (barrier_align): Compute cache-line length as unsigned. Add
1370 parentheses in initial credit computation.
1371 (rounded_frame_size): Add parentheses.
1372 (permanent_obstack): Remove declaration. Include ggc.h for
1373 declaration of ggc_add_root_rtx().
1374 (get_free_reg): Removed declaration of unused variable reg.
1375 (legitimize_pic_address): Mark mode argument as unused.
1377 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1379 * config/sh/sh.c (output_branch): Support for insn with lenght
1380 attr 12 & 16 which represents cond branches outside +-4096 range.
1382 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1384 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1385 cache-mirroring sequence. Add nops.
1387 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1389 * doc/install-old.texi: Remove more old installation
1391 * doc/install.texi: Add relevant parts here.
1393 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1395 * doc/install.texi2html: New script.
1397 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1399 * doc/install.texi: Update AIX information again.
1401 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1403 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1404 installation documentation.
1405 * doc/install.texi: Move it to here.
1407 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1409 * doc/install.texi: Clean up Texinfo markup.
1411 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1413 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1414 to just after title page.
1416 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1418 * doc/install-old.texi: Remove documentation of some configuration
1420 * doc/install.texi: Add relevant parts of this documentation here.
1422 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1424 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1425 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1427 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1429 * i386.md (all uses of ext_register_operand): Make sure they are
1430 VOIDmode; replace all uses outside zero_extend.
1431 (and?i splitters): Use ext_register_operands.
1432 (test?i peep2): Remove ignored constraints.
1433 * i386.c (ext_register_operand): Check that operand is
1434 eighter pseudo or hard or 'Q' register.
1436 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1438 * tree.h (struct record_layout_info_s): New field unpadded_align.
1439 (set_lang_adjust_rli): New declaration.
1440 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1441 it would have if not packed, do not downgrade DECL_ALIGN.
1442 (lang_adjust_rli, set_lang_adjust_rli): New.
1443 (start_record_layout): Initialize new field unpadded_align.
1444 (debug_rli): Display it.
1445 (place_union_field, place_field): Set it.
1446 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1448 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1449 mean that; use proper names instead.
1450 Print DECL_NO_STATIC_CHAIN.
1452 * except.c (expand_builtin_frob_return_addr): Add missing call
1453 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1454 (expand_builtin_eh_return): Likewise.
1455 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1457 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1459 * doc/invoke.texi: Remove references to papers about sequence points
1460 to readings.html, refer to that page.
1462 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1464 * README: Update references to installation instructions.
1466 2001-06-01 Laurent Guerby <guerby@acm.org>
1467 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1469 * doc/install.texi: Define srcdir when sources come from CVS.
1470 Significantly improve markup. Wrap overly long lines
1472 2001-06-01 DJ Delorie <dj@redhat.com>
1474 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1475 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1476 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1477 gcov.1: Move to doc subdirectory.
1478 * install.texi: Move to doc/install-old.texi.
1479 * gcc.texi: Move to doc, refer to install-old.texi.
1480 * Makefile.in: Reflect move of docs to doc/.
1481 * f/Make-lang.in: Ditto.
1482 * java/Make-lang.in: Ditto.
1483 * doc/.cvsignore: New.
1485 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1487 * invoke.texi: use two spaces between command options, eliminate
1488 some 'overfull hboxes'
1490 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1492 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1493 (DRIVER_DEFINES): Ditto.
1495 2001-05-31 Richard Henderson <rth@redhat.com>
1497 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1498 also link against libgcc.a.
1500 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1502 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1503 * config/mips/mips.c (mips_output_ascii): New function.
1504 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1506 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1508 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1510 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1511 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1513 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1515 * install.texi (Configuration): Add html links for --with-gnu-as &
1516 --with-gnu-ld and refer to them from hppa & SCO triplets.
1517 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1518 (Specific): Reword AVR binutils recommendation.
1520 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1522 * ggc-page.c (size_lookup): Increase minimum allocation size
1524 (ggc_print_statistics): Report size of each bin in bytes, not
1525 as its order; there is no longer a direct relationship.
1527 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1529 * extend.texi: Fix formating of examples, eliminate some
1531 * gcc.texi: Eliminate some 'overfull hboxes'.
1532 * invoke.texi: Use two spaces between command options, eliminate
1533 some 'overfull hboxes'.
1535 2001-05-30 Richard Henderson <rth@redhat.com>
1537 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1539 2001-05-30 Tom Tromey <tromey@redhat.com>
1541 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1542 use it in the new association.
1544 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1545 John David Anglin <dave@hiauly1.hia.nrc.ca>
1547 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1548 to target type to allow ISO C++ compiler to accept it.
1549 * gthr-dce.h (__gthread_active_ptr): Likewise.
1550 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1552 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1554 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1555 so that we do accept comments in preprocessed input.
1557 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * cpphash.c (alloc_node): Cast allocated pointer.
1561 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1563 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1565 2001-05-29 Stan Shebs <shebs@apple.com>
1567 * gcc.texi: Add links for information about Objective-C.
1569 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1571 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1572 /bin/sed fails on [^\"]).
1573 (configargs.h): Likewise.
1575 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1577 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1579 2001-05-28 Stan Shebs <shebs@apple.com>
1581 * objc/objc.gperf: Remove, no longer used.
1583 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1585 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1586 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1587 Remove trailing whitespace.
1589 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1591 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1592 became http://freeware.sgi.com/.
1594 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1596 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1599 2001-05-27 Stan Shebs <shebs@apple.com>
1601 * objc/objc-act.c: Add/fix various comments.
1602 (init_selector): Remove, no longer used.
1603 (build_msg_pool_reference): Ditto.
1604 (objc_debug): Ditto.
1606 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1608 * c-decl.c (init_decl_processing):
1609 Don't call start_identifier_warnings.
1610 * flags.h (warn_id_clash, id_clash_len): Remove.
1611 * stringpool.c: Don't include flags.h.
1612 (scan_for_clashes, do_identifier_warnings,
1613 start_identifier_warnings): Remove.
1614 * toplev.c (warn_id_clash, id_clash_len): Remove.
1615 (display_help): Don't document -Wid-clash.
1616 (decode_W_option): Print warning on -Wid-clash.
1617 * tree.h (start_identifier_warnings): Remove.
1618 * invoke.texi: Remove documentation of -Wid-clash.
1620 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1624 2001-05-27 Bruce Korb <bkorb@gnu.org>
1626 * fixinc/check.tpl(HACK) add and use a Scheme variable
1627 (has no test text): error out if no "test_text" is defined
1628 * fixinc/fixincl.tpl: likewise
1629 (FIXIDX): make it an enumeration so we minimize diffs
1630 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1631 * fixinc/fixincl.x: regenerate
1632 * fixinc/tests/base/stdio.h: test output got moved due to
1634 * README-fixinc: rewrite (mostly)
1636 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1638 * cpplib.c (run_directive): Set pfile->directive.
1640 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1642 * c-tree.texi: Reformat the manual as a single chapter now
1643 included by gcc.texi.
1644 * gcc.texi: Include c-tree.texi. Merge all indexes.
1645 * Makefile.in (dvi): Add generation for the cppinternals
1646 documentation. Added dependencies on fdl.texi and c-tree.texi
1647 where appropriate. Use TEXI2DVI instead of custom tex calls.
1648 (info): Added dependencies on fdl.texi and c-tree.texi where
1649 appropriate. Remove the target c-tree.info.
1651 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1653 * combine.c (try_combine): Fix typo in comment.
1654 * expr.c (expand_expr): Likewise.
1655 * config/i370/i370.md (untyped_call): Likewise.
1657 2001-05-26 Bruce Korb <bkorb@gnu.org>
1659 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1660 when fixincl is operating in test mode
1661 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1662 (AAB_ultrix_limits): remove redundant text
1663 (AAB_ultrix_memory): ditto
1664 (AAB_ultrix_string): ditto
1665 (djgpp_wchar_h): fix the test text
1666 (irix_stdio_va_list): add test text
1667 (irix_limits_const): add a testing output file (limits.h is overwritten)
1668 (strict_ansi_not_ctd): put limits.h second in list for same reason
1669 (solaris27_mutex_init): test text needed selection text, too
1671 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1672 when fixincl is operating in test mode
1674 2001-05-26 Philip Blundell <philb@gnu.org>
1676 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1677 * config/i960/i960-protos.h: Likewise.
1678 * config/i370/i370-protos.h: Likewise.
1679 * config/h8300/h8300-protos.h: Likewise,
1680 * config/sh/sh-protos.h: Likewise.
1681 * config/v850/v850-protos.h: Likewise.
1683 2001-05-26 Philip Blundell <philb@gnu.org>
1685 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1687 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1689 * toplev.c (debug_args, f_options, W_options): Mark
1690 descriptions for translation.
1691 (display_help): Translate descriptions on output.
1693 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1694 objc/lang-options.h: Mark descriptions for translation.
1696 * aclocal.m4: Quote final argument of patsubst. Use
1697 3-argument form of AC_DEFINE. Restore quotes to [] while
1699 * configure.in: Remove unnecessary changequote calls.
1700 * configure, config.in: Regenerate.
1702 2001-05-25 Sam TH <sam@uchicago.edu>
1704 * basic-block.h: Fix header include guards.
1705 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1706 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1707 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1708 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1709 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1710 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1711 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1712 varray.h version.h: Likewise.
1713 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1714 config/arm/arm.h config/c4x/c4x-protos.h
1715 config/h8300/h8300-protos.h config/h8300/h8300.h
1716 config/i370/i370-protos.h config/i370/i370.h
1717 config/i960/i960-protos.h config/mcore/mcore.h
1718 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1719 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1720 * fixinc/fixlib.h fixinc/server.h: Likewise.
1722 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1724 * config/arc/initfini.c (.init): Fix typo.
1726 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1728 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1730 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1732 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1734 2001-05-25 Richard Henderson <rth@redhat.com>
1736 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1738 2001-05-25 Richard Henderson <rth@redhat.com>
1740 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1741 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1742 (sparc*-*-solaris2): Likewise.
1743 * config/t-linux: Remove shared libgcc macros.
1744 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1745 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1747 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1749 * config.gcc (*-*-freebsd*): Report bad configuration.
1751 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1753 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1755 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1757 (ASM_OUTPUT_LABELREF): Delete.
1759 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1761 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1762 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1763 * fixinc/fixincl.x: Regenerate.
1764 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1765 (FIX_TEST_TABLE): Declare it.
1766 * fixinc/fixlib.h: Include config.h.
1768 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1770 * fixinc/inclhack.def (alpha___assert): Change char * args to
1771 const char * on Tru64 UNIX to avoid excessive warnings from
1773 * fixinc/fixincl.x: Regenerate.
1775 2001-05-25 Geoff Keating <geoffk@redhat.com>
1777 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1778 outputting a tag only for variable-size records.
1780 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1782 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1783 instead of rtx_equal_p for early clobber test.
1785 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1787 * builtins.def: Encode additional information, such as names and
1789 * builtin-types.def: New file.
1790 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1791 (built_in_decls): Likewise. Don't explicitly initialize global
1793 (expand_builtin_mathfn): Handle float and long double variants of
1795 (expand_builtin): Likewise.
1796 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1797 (expand_tree_builtin): Handle long, long long, float, and long
1798 double variants of math functions.
1799 * c-common.h (c_tree_index): Remove some unused nodes.
1800 (void_ftype): Remove.
1801 (void_type_ptr): Likewise.
1802 (int_ftype_int): Likewise.
1803 (ptr_ftype_sizetype): Likewise.
1804 * c-decl.c (init_decl_processing): Remove creation of DWARF
1806 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1807 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1808 * Makefile.in (c-common.o): Depend on builtin-types.def.
1810 2001-05-25 Dale Johannesen <dalej@apple.com>
1812 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1814 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1816 * c-parse.in (notype_initdcl): Remove redundant line.
1818 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1820 * aclocal.m4: Fixed typo.
1821 (gcc_AC_HEADER_STDBOOL): Define.
1822 (gcc_AC_C__BOOL): Define.
1823 * configure.in: Use them.
1824 (AC_CHECK_HEADERS): Remove stdbool.h
1825 * configure, config.in: Regenerate.
1827 2001-05-25 Richard Henderson <rth@redhat.com>
1829 * function.c (expand_function_start): Don't abort on PARALLEL
1830 returns from hard_function_value.
1832 2001-05-25 Richard Henderson <rth@redhat.com>
1834 * config/i386/i386.md: Revert previous change. Do not apply
1835 the peephole if the components do not die after the sequence.
1837 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1839 * c-parse.in (array_declarator): New. Handle C99 constructs.
1840 Don't restrict [*] declarators to C only.
1841 (after_type_declarator, parm_declarator_starttypename,
1842 parm_declarator_nostarttypename, notype_declarator,
1843 direct_absdcl1): Use it.
1844 * c-decl.c (build_array_declarator, set_array_declarator_type):
1845 New functions. Warn that [*] isn't properly implemented; pedwarn
1846 for [*] outside C99 mode if pedantic rather than giving a hard
1848 (grokdeclarator): Handle static and type qualifiers in parameter
1850 * c-tree.h (build_array_declarator, set_array_declarator_type):
1852 * extend.texi (Attribute Syntax): Document attributes in parameter
1855 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1857 * config/i386/i386.md: Make sure cmpstr peepholes do not
1858 affect liveness information.
1860 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1862 * c-typeck.c (digest_init): Issue error messages about
1863 invalid constants, not warnings.
1865 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1867 * invoke.texi (-fno-builtin): Document that this is always on
1870 2001-05-24 Philip Blundell <philb@gnu.org>
1872 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1875 2001-05-24 Philip Blundell <philb@gnu.org>
1877 * config/arm/arm.c (output_return_instruction): Correctly handle
1878 interworking and interrupt functions.
1880 2001-05-24 Philip Blundell <philb@gnu.org>
1882 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1883 -m{no-}sched-prolog. Fix typos and improve formatting.
1885 2001-05-24 Philip Blundell <philb@gnu.org>
1887 * invoke.texi (ARM Options): Improve wording slightly. Add
1888 documentation for more options, including those for Thumb mode.
1889 Don't mention options that don't exist or are unimplemented.
1890 (Thumb Options): Delete; merged into above section.
1892 2001-05-24 Geoff Keating <geoffk@redhat.com>
1894 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1895 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1897 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1899 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1900 fix hard register simplification.
1902 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1904 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1905 of just copying CPP_CPU_SPEC.
1907 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1909 * i386.c (incdec_operand): Accept only 1 and -1.
1911 2001-05-23 Kelley Cook <kelley.cook@home.com>
1913 * Makefile.in: Move many of the *_H definitions eariler in the
1914 file, so that rules in t-* files that use them for
1915 dependencies will work in a parallel build.
1916 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1918 2001-05-23 Richard Henderson <rth@redhat.com>
1920 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1922 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1924 * cpp.texi: Update for handling of charconsts.
1925 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1926 diagnostics. Skip to the end if the UCS is too short.
1927 (cpp_interpret_charconst): Long charconsts issue a warning
1930 2001-05-23 Richard Henderson <rth@redhat.com>
1932 * doc/install.texi (alpha-linux): Require binutils 2.11.
1934 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1936 * c-lex.c (read_escape, read_ucs): Delete.
1937 (lex_string): Use cpp_parse_escape.
1938 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1939 if not C++ or not C99. Warn if traditional.
1940 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1941 unsigned. Warn for out-of-range escape sequences here.
1942 Update to use maybe_read_ucs.
1943 (cpp_interpret_charconst): Don't warn here.
1944 * cpplib.h (cpp_parse_escape): New exported function.
1946 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1948 * extend.texi (Attribute Syntax): Clarify application of
1949 attributes to parameters declared as functions or arrays.
1951 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1953 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1955 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1957 * diagnostic.c (vnotice): Kill.
1958 (fnotice): Call vfprintf directly.
1959 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1960 verbatim, set_diagnostic_context): Rename string argument to
1961 indicate that it is run through gettext.
1962 (vbuild_message_string, build_message_string, output_do_printf):
1963 Rename string argument to indicate that it is NOT run through
1965 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1966 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1967 Run msgid argument through gettext.
1968 (default_print_error_function): Run constant strings through
1969 gettext when nothing else will.
1970 (fatal_error, internal_error, error_recursion): Use fnotice.
1971 Present complete sentences to gettext.
1973 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1975 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1977 2001-05-23 Richard Henderson <rth@redhat.com>
1979 * function.c (expand_function_start): Always use a pseudo
1980 for the function result value.
1982 2001-05-22 Richard Henderson <rth@redhat.com>
1984 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1985 section pointer alignment.
1987 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1989 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1990 of __USER_LABEL_PREFIX__.
1992 2001-05-22 Richard Henderson <rth@redhat.com>
1994 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1995 (__deregister_frame_info_bases): New.
1996 * unwind-dw2-fde.h: Declare it.
1997 * libgcc-std.ver: Export it.
1998 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1999 called __register_frame_info_bases.
2001 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2003 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2004 instead of #elif (which is OK for this case but not in general).
2006 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2008 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2009 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2010 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2011 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2012 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2014 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2015 David O'Brien <obrien@freebsd.org>
2017 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2018 configure-time options and target version of FreeBSD. Set-up
2019 to match architectural change in threading support. Correctly
2020 report when -pthread option is not supported by configure-time
2022 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2023 and extend to encode target version number in run-time setting
2024 of __FreeBSD__ macro to match the system compiler.
2025 (CPP_PREDEFINES): Likewise.
2026 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2028 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2029 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2031 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2032 David O'Brien <obrien@freebsd.org>
2034 * config.gcc (the unlabeled system switch statement): Add
2035 generic configuration section to handle *-*-freebsd*. Also,
2036 to match the system compiler, default to threading support (it
2037 may be disabled with the standard --disable-threads
2038 configuration-time switch).
2039 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2040 (alpha*-*-freebsd* in machine-specific section): Likewise.
2042 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2043 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2044 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2045 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2046 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2048 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2049 David O'Brien <obrien@freebsd.org>
2051 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2052 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2053 -pthread instead setting macro.
2055 2001-05-22 Richard Henderson <rth@redhat.com>
2057 * crtstuff.c (__register_frame_info_bases): Declare.
2058 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2059 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2061 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2062 (CRT_GET_RFIB_DATA): New.
2063 * config/i386/sysv4.h: Likewise.
2064 * config/i386/sco5.h: Likewise.
2065 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2067 2001-05-22 Richard Henderson <rth@redhat.com>
2069 * rtl.c (read_string): Break out from ...
2070 (read_rtx): ... here.
2072 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2074 * doc/install.texi (Specific): Remove a bogus and duplicate part
2075 copied from the end of the document.
2077 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2079 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2081 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2083 * install.texi: Remove obsolete information on SunOS as well as
2084 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2085 (Installing GNU CC on the Sun): Remove section.
2087 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2089 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2090 keep errno unchanged on success.
2092 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2094 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2095 once for hexadecimal floats, whether or not they contain a decimal
2096 point. Don't let the setting of pedantic otherwise affect the
2097 parsing of hexadecimal floats.
2099 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2101 * README.ACORN: Remove obsolete file.
2103 2001-05-22 Jan Hubicka <jh@suse.cz>
2105 * combine.c (gen_binary): Use swap_commutative_operands_p
2106 (simplify_comparison): Likewise.
2107 * expmed.c (emit_store_flag): Likewise.
2108 * expr.c (compare_from_rtx): Likewise.
2109 (do_compare_rtx_and_jump): Likewise.
2110 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2111 if not emitting a branch and operands want swapping.
2113 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2115 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2116 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2117 (maybe_get_identifier): Update.
2118 * tree.h (make_identifier): Delete.
2120 2001-05-21 Richard Henderson <rth@redhat.com>
2122 * combine.c (subst): Do not substitute for a register as
2123 a destination subreg/strict_low_part/zero_extract.
2125 * combine.c (simplify_comparison): Update op1 after constant
2127 * recog.c (const_int_operand): Accept only constants valid
2129 * genrecog.c: Update comments wrt const_int_operand.
2131 * emit-rtl.c (init_emit_once): Zero unused memory in a
2134 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2136 * tree.h (type_num_arguments): Declare it.
2137 * tree.c (type_num_arguments): New function.
2139 2001-05-21 Richard Henderson <rth@redhat.com>
2141 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2144 2001-05-21 Geoff Keating <geoffk@redhat.com>
2146 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2148 (minsf3): Use rs6000_emit_minmax.
2149 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2151 (movsfcc): Use rs6000_emit_cmove.
2152 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2153 Don't generate emit_fselsfsf4.
2154 (fseldfsf4): Likewise.
2155 (maxdf3): Use rs6000_emit_minmax.
2157 (mindf3): Use rs6000_emit_minmax.
2158 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2160 (movdfcc): Use rs6000_emit_cmove.
2161 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2162 Don't generate emit_fselsfsf4.
2163 (fselsfdf4): Likewise.
2164 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2165 (min_max_operator): New predicate.
2166 (rs6000_emit_cmove): New function.
2167 (rs6000_emit_minmax): New function.
2168 * config/rs6000/rs6000-protos.h: Prototype new functions.
2169 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2170 and min_max_operator.
2172 * config/rs6000/rs6000.c (output_cbranch): Handle all
2173 conditional types in the switch statement.
2175 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2177 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2178 non-register variables.
2179 * extend.texi: Document that asm-specifications do not make sense
2180 for non-static local variables.
2182 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2184 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2185 (dbxout_type_fields): Lose minimal_debug support.
2186 (dbxout_type_methods, dbxout_type): Likewise.
2188 2001-05-17 Andrew Haley <aph@redhat.com>
2190 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2192 2001-05-21 Richard Henderson <rth@redhat.com>
2194 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2197 2001-05-20 Richard Henderson <rth@redhat.com>
2199 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2200 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2201 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2202 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2203 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2205 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2206 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2207 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2208 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2209 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2210 DEBUG_PUBNAMES_SECTION): Rename as above.
2211 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2213 2001-05-20 Richard Henderson <rth@redhat.com>
2215 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2216 operands unless the operation is commutative.
2218 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2220 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2223 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2225 * extend.texi: Clarify documentation of extensions included in ISO
2226 C99. Prefer C99 terminology and syntax to old GNU terminology and
2227 syntax. Add more index entries. Document mixed declarations and
2228 code as an extension in C89 mode. Warn about future changes to
2229 semantics of inline functions. Fixes PR other/930.
2231 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2233 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2234 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2235 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2236 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2238 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2240 2001-05-20 Richard Henderson <rth@redhat.com>
2242 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2243 to be output before a branch.
2245 2001-05-20 Richard Henderson <rth@redhat.com>
2247 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2249 2001-05-20 Richard Henderson <rth@redhat.com>
2251 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2252 (ASM_DOUBLE): Remove.
2253 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2254 * config/i386/sun386.h: Likewise.
2256 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2257 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2259 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2260 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2261 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2262 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2264 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2265 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2266 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2267 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2268 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2269 * config/i386/win32.h: Likewise.
2271 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2273 * invoke.texi: Add more options to summary list.
2275 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2277 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2278 used. Fixes PR c/2291.
2279 * gcc.1: Regenerate.
2281 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2283 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2284 the -fpic and -fPIC options, clear flag_pic.
2286 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2288 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2289 * stringpool.c (make_identifier): No statistics here anymore.
2290 * objc-act.c (steup_string_decl): Remove redundant check.
2292 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2294 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2295 cpplib.o, cpphash.o, fix-header): Update.
2296 (hashtable.o): New target.
2297 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2298 struct c_common_identifier here.
2299 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2300 * c-lex.c (c_lex): Update.
2301 * c-pragma.h: Update.
2302 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2304 (C_RID_CODE): Delete.
2305 * cpphash.c: Rewrite to use hashtable.c.
2306 * cpphash.h: Update include guards.
2307 (struct cpp_reader): Remove hashtab.
2308 hash_ob and buffer_ob are no longer pointers. Add hash_table
2310 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2311 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2312 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2313 * cppinit.c (cpp_create_reader): Update.
2314 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2315 (cpp_interpret_charconst): Eliminate warning.
2316 * cpplib.c (do_pragma, do_endif, push_conditional,
2317 cpp_push_buffer, cpp_pop_buffer): Update.
2318 (_cpp_init_stacks): Rename cpp_init_directives.
2319 (_cpp_cleanup_stacks): Remove.
2320 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2321 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2322 cpp_forall_identifiers, cpp_create_reader): Update.
2323 (C_RID_CODE, cpp_make_node): New.
2324 (c_common_identifier): New identifier node for C front ends.
2325 * cppmain.c (main): Update.
2326 * fix-header.c (read_scan_file): Update.
2327 * flags.h (id_clash_len): Make unsigned.
2328 * ggc.h (ggc_mark_nonnull_tree): New.
2331 * stringpool.c: Update comments and copyright. Update to use
2333 * toplev.c (approx_sqrt): Move to hashtable.c.
2334 (id_clash_len): Make unsigned.
2335 * toplev.h (ident_hash): New.
2336 * tree.c (gcc_obstack_init): Move to hashtable.c.
2337 * tree.h: Include hashtable.h.
2338 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2339 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2340 (struct tree_identifier): Update.
2341 (make_identifier): New.
2343 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2344 (C_RID_CODE): Remove.
2345 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2346 (init_parse): Don't do it here.
2348 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2350 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2352 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2354 (expand_eh_return): Convert between word_mode and Pmode.
2355 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2357 (execute_stack_op): Likewise.
2358 (execute_cfa_program): Likewise.
2359 (uw_frame_state_for): Likewise.
2360 (uw_update_context_1): Likewise.
2361 * unwind.inc (_Unwind_Reason_Code): Likewise.
2362 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2363 (EH_RETURN_STACKADJ_RTX): Likewise.
2364 * config/mips/mips.c (compute_frame_size): Make space for saving
2365 EH return registers.
2366 (mips_expand_epilogue): Handle EH stack adjustments.
2367 * config/mips/mips.md (eh_return): New pattern.
2368 (eh_set_lr_si): Likewise.
2369 (eh_set_lr_di): Likewise.
2370 Add splitter to perform EH return after reload.
2372 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2374 * jump.c (mark_jump_label): Tidy previous change.
2376 2001-05-19 Bruce Korb <bkorb@gnu.org>
2378 * fixinc/genfixes: no need for two warnings
2379 * fixinc/Makefile.in: open stdin for those building with a closed one.
2381 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2383 * jump.c (jump_optimize_1): Tidy.
2384 (mark_jump_label): When changing the label in a LABEL_REF, change
2385 update any REG_EQUAL notes as well.
2387 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2389 * c-parse.in (parm_declarator): Split into
2390 parm_declarator_starttypename and parm_declarator_nostarttypename.
2391 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2392 New. Allow parenthesised sub-declarators which don't begin with a
2393 TYPENAME. Fixes PR c/166.
2395 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2397 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2399 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2401 * toplev.c (main): If the target does not allow profiling without
2402 a frame pointer, issue an error message.
2403 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2406 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2408 * recog.c (general_operand): Modify last change to allow it if reload
2411 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2413 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2414 subregs containing mem.
2416 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2418 * regrename.c (regrename_optimize): frame pointer register can
2421 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2423 * README.DWARF: Move into dwarfout.c.
2425 2001-05-18 Dale Johannesen <dalej@apple.com>
2427 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2428 specific misuse of r0 as a reload address.
2430 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2432 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2435 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2437 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2438 (add_to_sequence): Make that decision type.
2439 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2440 (write_switch, write_cond, debug_decision_2): Likewise.
2442 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2444 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2447 2001-05-18 Stan Shebs <shebs@apple.com>
2449 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2450 * configure: Regenerate.
2452 2001-05-18 Per Bothner <per@bothner.com>
2454 Changes needed for java/jvspec.c
2455 * gcc.h (n_infiles, outfiles): Add declarations.
2456 * gcc.c (n_infiles, outfiles): Mske no longer static.
2458 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2460 * config/pa/som.h (EXCEPTION_SECTION): Define.
2462 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2464 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2466 Add have_location_lists, a variable to determine whether we need a
2467 .debug_loc section or not.
2468 (enum dw_val_class): Add dw_val_class_loc_list.
2469 (dw_val_struct): Add val_loc_list.
2470 (dw_loc_list_struct): New structure, represents location lists.
2471 (new_loc_list): New function, return a new location list, given
2472 the range and location expression.
2473 (add_loc_descr_to_loc_list): New function, add a location
2474 expression to a location list, given the expression and range.
2475 (output_loc_list): New function, output a location list.
2476 (gen_internal_sym): Modified to take symbol prefix, so we can
2477 reuse it for location list symbols.
2478 (add_AT_loc_list): New function, add a location list to a DIE at
2479 the named attribute.
2480 (AT_loc_list): New function, return the location list reference
2481 for a given attribute, if it's a location list.
2482 (print_die): Handle dw_val_class_loc_list.
2483 (size_of_die): Ditto.
2484 (value_format): Ditto.
2485 (output_die): Ditto.
2486 (output_location_lists): New function, output all of the location
2487 lists for a DIE and it's children.
2488 (dwarf2out_finish): Call output_location_lists if we have location
2492 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2494 * gcse.c (try_replace_reg): First try global replace, later try to
2495 simplify the expression.
2497 * gcse.c (find_used_regs): Change calling convention; work via
2499 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2501 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2504 2001-02-09 Nick Clifton <nickc@redhat.com>
2505 * config/arm/arm.md: Change output constraint on post inc
2506 load/store multiple patterns to be a read/write constraint.
2508 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2510 * basic-block.h (struct basic_block_def): Add documentation about
2511 what a basic block is, and what the various fields are used for.
2512 * flow.c (calculate_globlal_regs_live): Add documentation about
2513 how the algorithm works, and how we know that it will terminate.
2514 Check that the the inductive assumption that guarantees
2515 termination actually holds.
2516 (mark_used_regs): Treat conditionally set registers as used.
2517 (debug_regset): Add comment.
2518 * rtl.texi (cond_exec): Add documentation.
2520 * function.c (expand_function_start): Avoid creating BLKmode
2523 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2525 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2526 DIE, even if it has no children.
2527 (dwarf2out_finish): Always output the line-number table, even if
2530 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2532 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2534 2001-05-17 Bruce Korb <bkorb@gnu.org>
2536 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2537 * fixinc/genfixes: emit a warning if AutoGen is out of date
2539 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2540 Bruce Korb <bkorb@gnu.org>
2542 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2543 found in fixinc directory. Facilitates binary distributions.
2545 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2547 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2550 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2552 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2554 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2556 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2557 (simplify_subreg): Handle complex types represented as CONCAT.
2559 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2560 * rtl.h (swap_commutative_operands_p): Declare.
2561 * rtlanal.c (swap_commutative_operands_p): New.
2562 (operand_preference): New static function.
2564 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2565 (gen_binary): Likewise.
2566 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2567 * simplify-rtx.c (simplify_gen_binary,
2568 simplify_gen_relational): Likewise.
2570 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2572 * cse.c (fold_rtx): Use simplify_subreg.
2574 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2575 (simplify_gen_subreg): New.
2576 (simplify_rtx): Use simplify_subreg.
2577 * rtl.h (simplify_gen_subreg): Declare.
2579 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2581 * doc/install.texi: Update Solaris information.
2583 * except.h (protect_cleanup_actions): Remove it.
2584 (lang_protect_cleanup_actions): Declare it.
2585 * except.c (protect_cleanup_actions): Remove it.
2586 (lang_protect_cleanup_actions): New variable.
2587 (init_eh): Don't make protect_cleanup_actions a GC root.
2588 (expand_eh_region_and_cleanup): Call
2589 lang_protect_cleanup_actions.
2590 (output_function_exception_table): Remove unused `align'
2592 * varasm.c (assemble_external): Abort if we have not yet
2593 opened the assembly output file.
2595 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2597 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2598 for eh_personality_libfunc.
2600 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2602 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2603 when calling simplify_subreg. This is needed to allow replacing
2604 of expression of one mode by expression of different mode.
2606 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2608 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2610 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2612 * expr.c (protect_from_queue): Protect against subsequent calls to
2614 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2617 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2619 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2621 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2623 * gccbug.in (CATEGORIES): Add "bootstrap".
2625 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2627 * simplify-rtx.c (simplify_subreg): Break out from ...
2628 * combine.c (combine_splify_rtx) ... here and ...
2629 * recog.c (validate_replace_rtx_1): ... here;
2630 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2631 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2632 (subreg_lowpart_p): ... here.
2634 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2636 * stmt.c (expand_asm_operands): For inout operands, make sure
2637 the substitution of '=' for '+' makes it into the rtl.
2639 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2640 (reload_as_needed): Call update_eliminable_offsets a bit later.
2642 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2644 * gcc.texi (gccbug): Refer to the web pages for detailed information
2647 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2649 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2651 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2652 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2653 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2654 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2655 * cross-make: Don't set LIBGCC1.
2656 * mklibgcc.in: Delete all code for building from libgcc1.c.
2657 Always honor LIB1ASMFUNCS if set.
2659 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2660 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2661 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2662 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2663 config/i386/uwin.asm, config/m68hc11/larith.asm,
2664 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2665 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2666 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2667 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2668 Delete or update references to libgcc1 in commentary.
2670 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2671 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2672 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2673 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2674 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2675 config/arm/t-semi, config/arm/t-strongarm-coff,
2676 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2677 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2678 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2679 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2680 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2681 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2682 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2683 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2684 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2685 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2686 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2687 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2688 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2689 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2690 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2691 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2692 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2693 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2694 config/mips/t-ultrix, config/mn10200/t-mn10200,
2695 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2696 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2697 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2698 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2699 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2700 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2701 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2702 config/sparc/t-sparclite, config/sparc/t-splet,
2703 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2704 config/sparc/t-vxsparc64, config/v850/t-v850:
2705 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2707 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2708 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2709 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2710 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2711 nongcc_SI_type, nongcc_word_type, or perform_*
2712 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2714 * config/i386/386bsd.h, config/i386/beos-elf.h,
2715 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2716 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2717 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2718 Don't include i386/perform.h.
2720 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2721 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2722 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2723 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2724 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2725 config/vax/t-openbsd, config/vax/t-vax: Delete.
2727 * config.gcc: Remove references to deleted files.
2728 (arm-semi-aof): Use arm/t-semi for tmake_file.
2730 * gcc.texi, install.texi, invoke.texi, tm.texi:
2731 Delete or rewrite text which is no longer relevant now that
2732 libgcc1 no longer exists.
2734 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2735 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2737 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2738 Bruce Korb <bkorb@gnu.org>
2740 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2743 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2745 * i386.md: Add two peepholes to clean up code generated by
2748 2001-05-16 Richard Henderson <rth@redhat.com>
2750 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2751 variants of non-absolute encodings.
2753 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2755 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2756 __register_frame_info_table_bases): Export.
2758 2001-05-16 Richard Henderson <rth@redhat.com>
2760 * except.c (eh_data_format_name): Move to ...
2761 * dwarf2asm.c: ... here. Use designated initializers if available.
2762 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2763 * dwarf2asm.h: Update declarations.
2764 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2765 ASM_PREFERRED_EH_DATA_FORMAT.
2766 (output_call_frame_info): Likewise. Use 'L' augmentation for
2769 * unwind-dw2-fde.h (struct fde_vector): New.
2770 (struct old_object): Rename from struct object.
2771 (struct object): New.
2772 (__register_frame_info_bases): Declare.
2773 (__register_frame_info_table_bases): Declare.
2774 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2775 * unwind-dw2-fde.c (objects): Remove.
2776 (unseen_objects, seen_objects): New.
2777 (__register_frame_info_bases): New.
2778 (__register_frame_info): Use it.
2779 (__register_frame_info_table_bases): New.
2780 (__register_frame_info_table): Use it.
2781 (__deregister_frame_info): Rewrite for changed object struct.
2782 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2783 (fde_unencoded_compare): Rename from fde_compare; uninline.
2784 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2785 (start_fde_sort): Adjust for new definition of fde_vector.
2786 (fde_insert): Likewise.
2787 (end_fde_sort): Likewise. Select comparison function based
2788 on properties of the object.
2789 (fde_split): Take object and fde_compare_t arguments.
2790 (frame_heapsort, fde_merge): Likewise.
2791 (classify_object_over_fdes): Rename from count_fdes. Handle
2792 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2794 (add_fdes): Handle encoded pointers.
2795 (init_object): Rename from frame_init. Update for new struct object.
2796 (linear_search_fdes): Rename from search_fdes. Handle encoded
2798 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2799 (binary_search_single_encoding_fdes): New.
2800 (binary_search_mixed_encoding_fdes): New.
2801 (search_object): New.
2802 (_Unwind_Find_FDE): Update for new struct object. Fill in
2804 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2805 iterating over EH data.
2806 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2807 fde_encoding, lsda_encoding.
2808 (read_uleb128, read_sleb128): Remove.
2809 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2810 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2811 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2813 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2815 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2817 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2818 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2819 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2820 cpp_spell_token, cpp_output_token): Similarly.
2821 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2822 do_pragma_poison, parse_assertion, do_assert): Similarly.
2823 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2824 save_parameter, _cpp_create_definition, check_trad_stringification,
2825 cpp_macro_definition): Similarly.
2826 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2827 * c-lex.c (cb_undef, c_lex): Similarly.
2828 * fix-header.c (recognized_function): Similarly.
2829 * cpplib.h (NODE_LEN, NODE_NAME): New.
2830 (cpp_hashnode): Rename length len.
2832 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2834 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2837 2001-05-16 Andreas Jaeger <aj@suse.de>
2839 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2841 * toplev.c: Include dwarf2asm.h for prototype of
2842 dw2_output_indirect_constants.
2844 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2846 * stmt.c (expand_asm_operands): Be able to offload addressof
2847 expression to memory. (PR optimization/185)
2849 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2851 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2852 applying distributive law.
2854 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2856 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2858 * gthr-dce.h (UNUSED): Attribute unused macro.
2859 (__gthread_key_dtor): Make arguments UNUSED.
2860 (__gthread_key_delete): Revise for compatibility with DRAFT4
2863 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2865 * doc/install.texi: Update AIX information.
2866 * README.RS6000: Remove obsolete file.
2868 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2869 Nathan Sidwell <nathan@codesourcery.com>
2871 * gcc.c (give_switch): Don't write before start of string.
2872 Always append suffix.
2874 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2876 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2879 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2881 * README.ALTOS: Remove obsolete file.
2883 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2885 * c-lex.h (save_and_forget_protocol_qualifiers,
2886 forget_protocol_qualifiers, remember_protocol_qualifiers):
2887 Remove deleted functions' prototypes.
2889 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2891 * c-parse.in (methodtype): New production.
2892 (methoddef, methodproto): Collapse separate '-' and '+'
2895 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2897 * c-common.h (RID_FIRST_PQ): New.
2898 * c-parse.in (objc_pq_context): New.
2899 (objc parser): Set objc_pq_context rather than calling
2900 remember_protocol_qualifiers and forget_protocol_qualifiers.
2901 Don't call save_and_forget_protocol_qualifiers.
2902 (yylexname): Handle objc protocol qualifiers here.
2903 * stringpool.c (struct str_header): Replace with sp_hashnode.
2904 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2905 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2906 Allocate an IDENTIFIER_NODE for each identifier.
2907 (FORALL_STRINGS, set_identifier): Delete.
2908 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2909 (ggc_alloc_string): Use an obstack.
2910 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2911 * tree.h: Update comments.
2912 (set_identifier): Delete.
2913 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2914 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2915 remember_protocol_qualifiers): Delete.
2917 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2919 * flow.c (life_analysis): After life analysis is complete, do
2920 an optional scan over insns looking for REG_LABEL notes that
2921 reference a deleted label.
2922 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2923 before peeking at LABEL_NUSES.
2925 2001-05-15 Richard Henderson <rth@redhat.com>
2927 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2928 (_Unwind_GetTextRelBase): New.
2930 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2932 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2934 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2936 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2937 so that CHOOSE_SECTION gets used.
2939 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2940 TARGET_RELOCATABLE like flag_pic for now.
2942 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2944 * rs6000.md (movdi splitter): Sign extend more efficiently.
2945 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2946 to "long long" valid on 32-bit and 64-bit hosts.
2947 (logical_operand): Cast trunc_int_for_mode return value.
2948 (rs6000_emit_move): Shift macro to encapsulate variable.
2949 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2950 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2951 plus_constant requires signed argument.
2953 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2955 * gthr-posix.h: Make additional pthread-* functions weak.
2957 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2959 * recog.c (apply_change_group): Avoid unneeded validating.
2961 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2963 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2964 (num_insns_constant): CONST_INT can be 64-bits.
2966 2001-05-14 Stan Shebs <shebs@apple.com>
2968 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2969 (LIBGCC_SPEC): Don't define.
2971 2001-05-14 Richard Henderson <rth@redhat.com>
2973 * configure.in (gcc_cv_as_eh_frame): New test.
2974 * config.in, configure: Rebuild.
2975 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2977 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2979 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2980 extended precision divide.
2982 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2984 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2985 for RETURNS as well.
2987 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2989 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2990 (CPP_CPU??_SIZE_TYPE): New.
2991 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2992 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2993 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2994 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2996 * i386.c (override_options): Add sorry about not suported modes.
2998 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3000 * config/pa/som.h (NM_FLAGS): Remove.
3001 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3002 (ASM_OUTPUT_SECTION_NAME): Remove.
3003 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3005 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3007 * regrename.c (regrename_optimize): Do not rename registers to
3010 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3012 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3013 contain MEMs. Remove useless distinction about clobbering
3016 2001-05-13 Geoff Keating <geoffk@redhat.com>
3018 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3019 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3020 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3021 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3022 (EXCEPTION_SECTION): Define.
3024 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3026 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3027 binary backward compat only.
3028 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3029 in LIB2FUNCS. Pass it to mklibgcc.
3030 * mklibgcc.in: Handle LIB2FUNCS_ST.
3032 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3034 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3036 * tm.texi (THREAD_MODEL_SPEC): Document it.
3037 * gcc.c (main): Use it.
3038 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3039 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3041 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3043 * rtl.h (SYMBOL_REF_WEAK): New macro.
3044 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3045 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3046 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3047 * gcc.texi: Remove wrong description.
3049 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3051 * Makefile.in (STAMP): New macro.
3052 Replace all uses of `touch' with $(STAMP).
3053 * fixinc/Makefile.in: Likewise.
3055 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3057 * configure.in: ldopen is never in -lexc, so don't test for it.
3058 Add test for exc_resume in -lexc for Ada.
3059 * configure: Regenerated.
3061 2001-05-12 Richard Henderson <rth@redhat.com>
3063 * dwarf2asm.c (size_of_encoded_value): New function.
3064 * dwarf2asm.h: Declare it.
3065 * except.c (output_function_exception_table): Align the TType
3066 array only as wide as the encoding.
3068 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3070 * extend.texi: Document #pragma GCC java_exceptions.
3072 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3074 * c-parse.in (bison parser, init_reswords): Remove uses of
3076 * c-tree.h (doing_objc_thang): Remove.
3078 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3080 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3081 about files not ending in newlines.
3083 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3085 * dwarfout.c (dwarfout_init): Add cast.
3086 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3087 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3089 * method.c (build_mangled_C99_name): Remove unused prototype.
3091 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3093 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3095 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3097 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3098 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3100 2001-05-11 Richard Henderson <rth@redhat.com>
3102 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3103 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3104 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3105 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3106 (dw2_output_indirect_constants): Prototype.
3107 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3108 current_function_func_begin_label if we'll need it for EH. Exit
3109 early for IA64_UNWIND_INFO.
3110 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3111 (eh_data_format_name): Update for indirect references.
3112 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3113 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3114 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3115 define HAVE_eh_return etc.
3116 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3117 (final_end_function): Don't call output_function_exception_table.
3118 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3119 (rest_of_compilation): Invoke output_function_exception_table
3120 for ia64 before assemble_end_function.
3121 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3122 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3124 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3125 * unwind.h: Declare them.
3126 * libgcc-std.ver: Export them.
3127 * unwind-pe.h: New file.
3129 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3131 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3133 (find_fde_for_dso): Extract DT_PLTGOT.
3134 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3135 the segment and gp as well.
3136 * config/ia64/frame-ia64.c: Remove file.
3137 * config/ia64/frame-ia64.h: Remove file.
3138 * config/ia64/unwind-ia64.c: New file.
3139 * config/ia64/unwind-ia64.h: New file.
3140 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3141 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3142 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3143 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3144 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3145 (IA64_UNWIND_INFO): Re-enable.
3146 (HANDLER_SECTION): Remove.
3147 (EH_RETURN_DATA_REGNO): New.
3148 * config/ia64/ia64.md (exception_receiver): Remove.
3149 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3150 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3152 2001-05-11 Richard Henderson <rth@redhat.com>
3154 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3155 calls and jumps to be bundled together.
3156 (ia64_reorg): Emit a break after a noreturn call that ends
3158 * config/ia64/ia64.md (break_f): New.
3160 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3162 * c-lex.c (lex_charconst): Convert into a simple wrapper
3163 around cpp_interpret_charconst, to which most of the code
3165 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3166 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3167 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3168 (lex): Use cpp_interpret_charconst.
3169 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3170 hex_digit_value): New functions.
3171 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3172 * cpplib.h (cpp_interpret_charconst): New prototype.
3173 * Makefile.in: Update.
3175 2001-05-12 Dean Wakerley <dean@wakerley.com>
3177 * doc/install.texi: New file. Converted to texinfo from the HTML
3178 documentation in wwwdocs/htdocs/install.
3180 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3182 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3183 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3185 * toplev.c (compile_file): Move comment for opening output
3186 file to just before the code that opens the output file.
3188 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3190 * regmove.c (regmove_optimize): Suppress the optimization for
3191 unchanging destination register. Add comment above function.
3193 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3195 * Makefile.in: Exterminate all references to assert.h.
3196 * cross-make: Likewise.
3198 * configure.in: Correct commentary.
3199 * configure: Regenerate.
3201 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3204 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3205 config/t-netbsd, config/t-rtems, config/x-linux,
3206 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3207 No need to override INSTALL_ASSERT_H.
3209 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3210 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3211 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3213 2001-05-11 Graham Stott <grahams@redhat.com>
3215 * combine.c (simplify_comparison): Fix typo.
3217 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3219 * loop.h (struct movables): Remove `num'.
3220 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3221 Adjust call to strength_reduce.
3222 (num_unmoved_movables): New function.
3223 (move_movables): Don't set movables->num.
3224 (strength_reduce): Compute the number of instructions in the loop
3225 here, rather than in the caller.
3226 (check_dbra_loop): Always clear reversible_mem_store if there
3227 are any memory sets.
3228 (loop_regs_scan): Don't count instructions here.
3229 (count_insn_in_loop): New function.
3231 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3233 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3235 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3237 * c-common.c (finish_label_expr): New function, lifted from
3238 from cp/semantics.c.
3239 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3240 * c-parse.in: Move 3 blocks of parser code into new functions.
3241 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3242 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3243 (lookup_label): Remove.
3245 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3247 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3248 FLOAT_BIT_ORDER_MISMATCH.
3250 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3252 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3253 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3255 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3257 * expr.c (emit_group_load): extract_bit_field requires a REG or
3260 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3262 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3263 a computed jump into an unconditional jump.
3264 In second hunk of code for collapsing computed and conditional jumps
3265 into unconditional jumps, reemit the jump in additional cases.
3267 * jump.c (jump_optimize_1): Do not wrap the new jump target
3268 inside a LABEL_REF; gen_jump will do that automatically.
3270 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3272 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3273 contents for a SYMBOL_REF in case of floating point constants.
3275 2001-05-10 DJ Delorie <dj@redhat.com>
3277 * c-common.c (combine_strings): Widen strings in a
3278 host-endian-independent way.
3280 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3282 * c-parse.in: Remove many shift/reduce conflicts. Update
3284 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3285 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3286 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3287 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3288 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3289 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3290 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3291 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3292 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3293 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3294 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3295 typespec_reserved_nonattr, typespec_reserved_attr,
3296 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3297 structsp_nonattr, components_notype, component_notype_declarator,
3298 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3299 firstparm, setspecs_fp): New
3300 (typed_declspecs, reserved_declspecs, typed_typespecs,
3301 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3302 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3303 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3304 type_quals): Remove. Users updated.
3305 (initdecls, notype_initdecls, after_type_declarator,
3306 parm_declarator, notype_declarator, absdcl1, components, ivars):
3307 Don't allow attributes at the start of a declarator; include them
3308 in the production containing the declarator instead. Always
3309 require type specifiers before trying to redeclare a typedef name.
3310 (typename): Allow for attributes but warn that they are ignored.
3311 (parmlist, firstparm, setspecs_fp): Include attributes in
3312 parmlist; suck them off the parser stack in firstparm using
3315 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3317 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3318 to determine if a block has an unconditional jump at its end.
3320 * jump.c (jump_optimize_1): When converting a conditional jump
3321 to an unconditional jump, build the jump using gen_jump instead
3322 of just modify operands in-place.
3324 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3326 * cppinit.c (cpp_post_options): Shut off macro expansion if
3328 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3329 IN_I directives only if the # is in column 1 and the directive
3330 name begins in column 2.
3331 * cppmain.c (scan_buffer): Insert a space between # and an
3332 identifier, when that identifier is a directive name.
3334 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3335 in the header search path.
3336 (enum node_type): Add T_INCLUDE_NEXT.
3337 (directive_table): Add entry for include_next.
3338 (do_include_next): New function.
3339 (process_include): New routine, broken out of do_include.
3340 (finclude): Insert 'nhd' argument, to be copied into
3341 next_header_dir of the new buffer.
3342 (main): Adjust to match.
3343 * gsyslimits.h, limity.h: Un-indent #include_next.
3345 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3347 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3348 inclusion as a chapter of the GCC manual.
3349 * gcc.texi: Include objc.texi.
3350 * fdl.texi: Use @unnumberedsec for the addendum.
3351 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3353 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3355 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3357 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3359 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3360 handling of two-address insns.
3362 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3364 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3365 ../binutils/nm-new instead of ../binutils/nm.
3367 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3369 * i386.md (movdi splitter): Fix the splitting condition
3370 (float_extenddftf splitter): Fix mode.
3372 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3374 * genrecog.c (write_switch): Avoid outputting of switch for
3375 types wider than int.
3377 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3379 * reload1.c (copy_eh_notes): New function.
3380 (emit_input_reload_insns): Call it.
3381 (emit_output_reload_insns): Call it.
3383 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3385 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3387 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3388 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3390 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3392 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3394 * pa.md (interspace_jump): Revise comment.
3395 (builtin_longjmp): Block initial setup insns from delay slot of
3397 (builtin_setjmp_receiver): New expander to save and restore PIC
3400 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3402 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3404 * toplev.c (compile_file): Set up the output file before we call
3405 the various initializers for the compiler.
3407 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3408 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3410 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3411 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3413 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3415 * Makefile.in (tradcpp0): Correct typo in dependency list.
3417 2001-05-06 Geoff Keating <geoffk@redhat.com>
3419 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3420 the link register if we're not going to use it.
3422 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3423 (output_function_profiler): Likewise.
3425 2001-05-07 Alan Modra <amodra@one.net.au>
3427 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3429 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3431 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3432 zero-extend it. Make abs_inc unsigned.
3434 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3435 widest mode in narrowing and widening operations.
3437 * config/mips/mips.md: Sign extend CONST_INTs.
3439 2001-05-06 Andreas Jaeger <aj@suse.de>
3441 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3442 (i386 Options): Document -momit-leaf-frame-pointer.
3444 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3446 * c-typeck.c (internal_build_compound_expr): Check for
3447 array to pointer conversion just once.
3449 2001-05-05 Richard Henderson <rth@redhat.com>
3451 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3453 2001-05-05 Richard Henderson <rth@redhat.com>
3455 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3456 to the parent of the fixup region.
3458 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3460 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3462 * cpp.texi (__NO_INLINE): Document it.
3464 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3466 * cppfiles.c (struct include_file): New member err_no.
3467 (find_or_create_entry): Set it.
3468 (open_file): Don't set fds to -2. Instead, use err_no to
3469 remember previous errors, if any.
3471 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3473 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3474 between X and Y by using sequences of xgdx and xgdy.
3476 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3478 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3479 of '!' for the 'D' alternative ('!' is too strong).
3480 ("*logicalsi3_silshl16"): Likewise.
3481 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3482 ("movstrictsi"): Remove spurious '+'.
3483 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3484 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3485 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3488 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3490 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3492 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3494 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3497 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3499 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3502 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3504 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3505 soft register, use ror instead of rol.
3507 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3509 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3510 into account pre/post increment decrement for 68HC12.
3511 Fix other problems in replacement and fix call to reg_mentioned_p.
3513 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3515 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3516 Put the soft registers in bss for 68HC12.
3517 (L_regs_d3_4): New for _.d3 and _.d4.
3518 (L_regs_d5_6): Likewise.
3519 (L_regs_d1_2): Likewise.
3520 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3522 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3524 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3525 to the pre-processor when -fshort-double is specified.
3526 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3528 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3530 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3531 (__mulsi3): Rewrite for 68HC12.
3532 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3533 Mark 'x' constraint with earlyclobber to prevent a
3534 RELOAD_FOR_OTHER_ADDRESS to go in it.
3535 (mulhi3_m68hc12): New pattern.
3536 (mulhi3_m68hc11): Rename of mulhi3.
3537 (mulhi3): New expand for 68HC12 optimisation.
3538 (umulhisi3, mulhisi3): New patterns for 68HC12.
3540 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3542 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3543 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3544 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3546 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3548 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3549 constants cheap after reload.
3550 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3552 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3553 so that gcc prefers a shift by 16.
3554 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3556 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3558 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3560 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3562 * alpha.h: NULL_PTR -> NULL.
3569 * i386.md: Likewise.
3572 * m68hc11.h: Likewise.
3573 * rs6000.h: Likewise.
3576 * sparc.h: Likewise.
3580 * final.c: Likewise.
3582 * recog.c: Likewise.
3584 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3586 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3587 `bool' parameter to `int'.
3589 * hash.c (hash_lookup): Likewise.
3591 * hash.h (hash_lookup): Likewise.
3593 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3595 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3597 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3599 2001-05-03 Geoff Keating <geoffk@redhat.com>
3601 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3602 -malign-loops, -malign-functions.
3603 * i386.c (ix86_align_funcs): Delete.
3604 (ix86_align_loops): Delete.
3605 (ix86_align_jumps): Delete.
3606 (override_options): Mark -malign-* as obsolete. Emulate their
3607 behaviour with the -falign-* options. Default -falign-* from
3608 the processor table.
3609 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3610 patch of Wed May 2 13:09:36 2001.
3611 (LOOP_ALIGN): Delete.
3612 (LOOP_ALIGN_MAX_SKIP): Delete.
3613 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3614 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3616 2001-05-04 Andreas Jaeger <aj@suse.de>
3618 * except.h: Add prototype declaration for
3619 expand_builtin_init_dwarf_reg_sizes.
3621 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3623 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3625 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3627 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3629 ("bitcmpqi2"): New pattern for bit-extract and test.
3630 ("bitcmphi"): New pattern for bitb/bita instructions.
3632 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3634 * gccbug.in: Use a temporary directory when the mktemp command is
3637 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3639 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3641 (INITIALIZE_TRAMPOLINE): Call it.
3642 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3643 (TRAMPOLINE_TEMPLATE): Remove.
3644 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3645 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3648 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3650 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3651 and crtendS.o with PIC.
3653 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3655 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3657 (___subdi3, ___adddi3): Use x instead of y as index register.
3658 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3659 (__memset, __memcpy): Likewise.
3660 (regs): Put the soft registers in bss for 68HC12.
3661 (abort): Use trap to abort for 68hc12.
3662 (__mulhi3, __mulhi32): Use emul for 68hc12.
3663 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3665 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3667 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3668 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3669 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3670 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3671 Set 68HC12 min offset to -65536.
3672 (print_operand): Put parenthesis arround the operand if it refers
3673 to a symbol having the same name as a register.
3674 (m68hc11_z_replacement): When z register is replaced by its
3675 equivalent soft register, force the insn to be re-recognized.
3676 (m68hc11_check_z_replacement): Fix the test when destination is
3677 the index register and z dies in the insn.
3678 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3680 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3682 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3683 costs according to processor variant.
3684 (m68hc11_shift_cost): New function to compute shift costs.
3685 (m68hc11_rtx_costs): Define costs according to processor variant.
3686 (m6811_cost): Costs for 68HC11.
3687 (m6812_cost): Costs for 68HC12.
3688 (COSTS_N_INSNS): Remove.
3690 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3691 (DEFAULT_RTX_COSTS): Remove.
3692 (CONST_COSTS): Define costs according to OUTER_CODE.
3693 (processor_costs): New struct to define costs.
3694 (m68hc11_cost): Pointer to current costs.
3696 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3698 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3699 and use m68hc11_notice_keep_cc when using leax/leay.
3700 (addhi3 split): Reject split if the insn is handled by
3702 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3703 push must be handled in a special way if the source operand uses
3704 sp as index register.
3705 (m68hc11_notice_keep_cc): New function.
3706 (m68hc11_gen_movhi): Use it when an insn changes a register but
3708 (m68hc11_gen_movqi): Fix move for 68HC12.
3709 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3711 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3713 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3714 and don't pass operands[0] to emit_library_call_value.
3716 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3718 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3719 (zero_extendsi split): Simplify and use (zero_extendhi).
3720 (*addhi3): Remove 'w' constraint since stack pointer is handled
3722 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3723 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3724 (*ashrhi3_const): Fix shift by 7.
3725 (*lshrsi3_const16): Fix template.
3726 (call, call_value): Fix constraint and predicate.
3728 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3730 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3731 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3732 (CC_REGNUM): Likewise.
3733 (*unnamed splits): Use above constants instead of hard coded numbers.
3734 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3735 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3736 (*return_16bit, *unnamed peepholes): Likewise.
3738 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3740 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3741 rs6000/rs6000.h twice.
3743 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3745 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3746 (CPP_SPEC): Conditionally define MSDOS and GO32.
3747 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3748 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3750 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3752 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3754 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3756 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3758 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3759 * integrate.c (expand_inline_function): Use xcalloc to allocate
3761 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3764 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3766 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3769 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3771 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3772 linker if -mrelax is given.
3773 (TARGET_SWITCHES): Document -mrelax.
3775 Re-installed 2001-01-09's patch:
3776 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3777 if it's wider than long and the target's long is wider than the
3780 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3782 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3783 directly include rs6000/rs6000.h. Instead do it in tm.h.
3785 2001-05-02 Stan Shebs <shebs@apple.com>
3787 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3788 NSConstantString for NeXT-style runtimes.
3789 (STRING_OBJECT_GLOBAL_NAME): New macro.
3790 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3791 OCTI_STRING_CLASS_DECL.
3792 (constant_string_global_id): New macro.
3793 (string_class_decl): Ditto.
3794 (setup_string_decl): New function.
3795 (build_objc_string_object): Use it to build a NeXT runtime
3796 compatible string initializer.
3798 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3800 * tradcpp.c (do_define): Make sure we don't walk past limit.
3802 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3804 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3805 offsets if not REG_OK_STRICT.
3807 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3808 (INT_REG_OK_FOR_INDEX_P): Likewise.
3809 (INT_REG_OK_FOR_BASE_P): Likewise.
3810 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3811 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3812 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3813 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3814 REG_OK_FOR_BASE_P. Take an additional parameter.
3815 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3816 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3817 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3818 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3819 rs6000_legitimate_address() and use it.
3820 * config/rs6000/rs6000.c: Update all callers.
3821 (rs6000_legitimate_address): New function.
3823 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3825 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3826 special_constant conditional blocks together.
3828 2001-05-02 Dale Johannesen <dalej@apple.com>
3830 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3832 (STRICT_ARGUMENT_NAMING): Define.
3833 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3834 function_arg_partial_nregs, setup_incoming_varargs): Remove
3835 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3838 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3840 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3842 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3845 * expr.c (store_field): Do nothing except elaborate side-effects if
3848 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3850 * c-lex.c: NULL_PTR -> NULL.
3852 * emit-rtl.c: Likewise.
3854 * genpeep.c: Likewise.
3856 * mips-tdump.c: Likewise.
3857 * reload1.c: Likewise.
3858 * rtlanal.c: Likewise.
3860 * stor-layout.c: Likewise.
3861 * toplev.c: Likewise.
3863 2001-05-01 Per Bothner <per@bothner.com>
3865 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3866 call do_pending_stack_adjust before emiting label.
3868 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3870 * extend.texi: Fix typo.
3872 2001-05-01 Stan Shebs <shebs@apple.com>
3874 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3875 of UOBJC_MODULES_decl.
3876 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3877 (generate_descriptor_table): Ditto.
3878 (generate_protocols): Ditto.
3879 (generate_protocol_list): Ditto.
3880 (generate_classref_translation_entry): Ditto.
3882 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3884 * invoke.texi (Optimize Options): Add documentation for `--param
3885 max-delay-slot-insn-search' and `--param
3886 max-delay-slot-live-search' and reorder --param section.
3887 * params.def: Modify initial comment.
3888 * params.h (param_info): Add `help' member.
3889 * toplev.c (lang_independent_params): Include `help' description.
3890 (display_help): Print --param parameters.
3892 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3894 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3895 Remove references to deleted files.
3896 (*-*-openbsd): No need to override xmake_file.
3897 (*-*-sysv4): Treat like *-*-sysv.
3899 * configure.in: Probe for ldopen in various places, and set up
3900 collect2 to be linked with them if found.
3901 Don't dink with Windows registry stuff unless $host_os is a
3902 Win32 os name. Check to see if we need -ladvapi32.
3903 * configure: Regenerate.
3905 * Makefile: Get rid of CLIB and HOST_CLIB.
3906 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3907 * build-make: Get rid of HOST_CLIB.
3909 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3910 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3911 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3912 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3913 config/rs6000/x-rs6000: Delete.
3915 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3918 24 x-host fragments remain, 0 x-cpu, 3 top level.
3920 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3922 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3923 * configure: Regenerate.
3925 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3927 * Makefile.in (install-headers): Remove redundant dependency.
3929 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3931 * c-tree.texi (USING_STMT): Document.
3933 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3935 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3936 * c-common.c: Likewise.
3937 * c-decl.c: Likewise.
3938 * combine.c: Likewise.
3939 * rs6000.c: Likewise.
3940 * except.c: Likewise.
3941 * explow.c: Likewise.
3943 * fold-const.c: Likewise.
3944 * function.c: Likewise.
3947 * integrate.c: Likewise.
3949 * objc/objc-act.c: Likewise.
3950 * recog.c: Likewise.
3951 * reg-stack.c: Likewise.
3952 * reload.c: Likewise.
3953 * reload1.c: Likewise.
3954 * simplify-rtx.c: Likewise.
3956 * varasm.c: Likewise.
3958 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3960 * diagnostic.def: New file.
3961 * diagnostic.h (diagnostic_t): New enum.
3962 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3964 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3966 * tsystem.h: Test only POSIX for availability of string.h
3968 * config.gcc (all systems): If USG appeared in xm_defines,
3969 change it to POSIX. If both USG and POSIX appeared, just
3970 delete USG. Remove unnecessary quotes around xm_defines
3972 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3973 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3974 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3975 powerpc-*-linux*): No need to set xm_defines - handled by
3976 global settings for *-*-linux*.
3978 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3980 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3981 Always include gstab.h, not system stab.h. Don't provide
3982 default definitions of N_CATCH or N_OPT. Always use the
3983 gstab.h variant of STAB_CODE_TYPE.
3984 * final.c: Don't include stab.h/gstab.h at all, or provide
3985 defaults for N_SLINE and N_SOL.
3987 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3988 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3990 * sdbout.c: Always include gsyms.h instead of system syms.h.
3992 * configure.in: No need to check for stab.h.
3993 * configure, config.in: Regenerate.
3994 * Makefile.in (final.o): Don't depend on gstab.h.
3996 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3997 Richard Henderson <rth@redhat.com>
3999 * extend.texi: Improve documentation of volatile asms.
4001 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4003 * c-tree.texi: Fix thinko.
4004 * gcc.texi: Likewise.
4006 2001-04-30 Richard Henderson <rth@redhat.com>
4008 * c-common.c (c_promoting_integer_type_p): New function, from the
4009 corpse of old macro. Properly promote too-small enumerations and
4010 booleans. Adjust all callers.
4011 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4012 (c_promoting_integer_type_p): Declare.
4013 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4014 * c-typeck.c: Likewise.
4015 (default_conversion): Remove now redundant boolean check.
4017 2001-04-30 Jan Hubicka <jh@suse.cz>
4018 Richard Henderson <rth@redhat.com>
4020 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4022 (combine_stack_adjustments_for_block): Don't combine stack
4023 allocation followed by deallocations. Handle grow-up stacks.
4025 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4027 * fdl.texi: New file.
4028 * c-tree.texi: Use the GFDL.
4029 * gcc.texi: Likewise.
4031 2001-04-30 Stan Shebs <shebs@apple.com>
4033 * invoke.texi: Add a section documenting Objective-C options.
4035 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4037 * emit-rtl.c (try_split): Copy EH notes to sequence.
4039 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4041 * regmove.c (record_stack_memrefs): Catch all references to the
4044 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4046 * Makefile.in (stmp-fixinc): quote shell assignment values
4048 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4050 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4054 * prefix.c: Likewise.
4056 2001-04-28 Stan Shebs <shebs@apple.com>
4058 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4059 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4060 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4061 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4063 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4064 (NEXT_OBJC_RUNTIME): Define.
4066 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4068 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4069 * simplify-rtx.c (simplify_gen_relational): Likewise.
4071 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4073 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4074 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4076 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4077 registers in SSE case; fix handling of the immediates.
4078 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4079 operands to be in regsiters before reload.
4080 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4081 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4082 (abstf,absxf,negtf,negxf splitters): Compute
4083 properly the regnum for x86_64.
4084 (avsdf2_if_rex64): New.
4086 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4088 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4089 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4090 into the constant pool.
4091 * jump.c (jump_optimize_1): Remove barrier successors after all
4092 the LABEL_NUSES counds have been computed.
4093 (delete_barrier_successors): When deleting a tablejump insn, also
4094 delete the jump table it uses.
4095 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4098 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4100 * pa.c (FRP): Remove erroneous white space in macro definition.
4102 2001-04-28 Andreas Jaeger <aj@suse.de>
4104 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4106 * extend.texi: Likewise.
4107 * tm.texi: Likewise.
4109 2001-04-28 Andreas Jaeger <aj@suse.de>
4111 * md.texi: Use XX-bit instead of XXbit or XX bit where
4114 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4116 * gcc.c (process_command): Allow -l lib in addition to -llib
4117 for POSIX compliance. This fixes PR c/2347.
4119 * invoke.texi: Update section on Link Options accordingly.
4121 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4123 * function.c (purge_addressof_1): Remove the duplicate
4124 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4127 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4129 * except.c (expand_eh_region_start): Don't start a new block.
4130 (expand_eh_region_end): Don't end a block.
4131 * stmt.c (expand_end_bindings): Don't end EH blocks.
4132 (expand_decl_cleanup): Starting an EH region won't change the block.
4133 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4134 (is_eh_region): Lose.
4137 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4139 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4141 * collect2.c (main): Add `-L' case to remove duplicate entries.
4142 (is_in_args): New function to check for a duplicate argument.
4143 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4144 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4145 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4146 Define to be nonzero.
4148 2001-04-27 Andreas Jaeger <aj@suse.de>
4149 Richard Henderson <rth@redhat.com>
4151 * md.texi (Machine Constraints): Document additional i386
4152 constraints and fix description of "A".
4154 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4156 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4158 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4160 * except.c (get_exception_filter): word_mode, not Pmode.
4162 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4164 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4165 common to other movsf patterns. Move up so that in future
4166 people who change the other patterns will change it too.
4167 (movsf_lo_sum): Allow even for soft-float; add appropriate
4169 (movsf_high): Likewise.
4170 (movsf_high+1): Allow even for soft-float.
4172 * function.c (expand_function_end): Always clobber the
4173 return registers, even if there is no return label.
4175 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4177 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4179 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4181 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4182 (pushqi2_rex64, pushhi2_rex64): Add.
4184 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4186 * except.c (expand_eh_region_end_cleanup): Force pending stack
4187 adjust before emitting label that branches around cleanup code.
4189 2001-04-26 H.J. Lu (hjl@gnu.org)
4191 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4193 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4195 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4196 (ASM_OUTPUT_SECTION_NAME): Likewise.
4197 (ASM_WEAKEN_LABEL): Likewise.
4198 (UNIQUE_SECTION): Likewise.
4199 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4200 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4201 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4202 (ASM_OUTPUT_SECTION_NAME): Likewise.
4203 (ASM_WEAKEN_LABEL): Likewise.
4204 (UNIQUE_SECTION): Likewise.
4205 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4206 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4207 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4208 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4209 (ASM_FILE_START): Likewise.
4210 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4211 (ASM_DECLARE_OBJECT_NAME): Likewise.
4212 (ASM_FILE_END): Likewise.
4213 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4214 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4215 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4216 (ASM_OUTPUT_CASE_LABEL): Likewise.
4217 (ASM_OUTPUT_SKIP): Likewise.
4218 (ASM_OUTPUT_ASCII): Likewise.
4219 (ASM_OUTPUT_IDENT): Likewise.
4220 (READONLY_DATA_SECTION): Likewise.
4221 (EXTRA_SECTIONS): Likewise.
4222 (EXTRA_SECTION_FUNCTIONS): Likewise.
4223 (SELECT_RTX_SECTION): Likewise.
4224 (SELECT_SECTION): Likewise.
4226 * config/mips/linux.h (INVOKE__main): Undefine.
4227 (CTOR_LIST_BEGIN): Likewise.
4228 (CTOR_LIST_END): Likewise.
4229 (DTOR_LIST_BEGIN): Likewise.
4230 (DTOR_LIST_END): Likewise.
4231 (SET_ASM_OP): Defined it to ".dummy".
4232 (ASM_OUTPUT_DEF): Defined.
4233 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4235 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4237 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4238 assembler supports .p2align.
4240 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4242 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4244 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4246 * integrate.c (expand_inline_function): Check for error_mark_node
4249 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4251 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4254 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4256 * configure.in (configargs.h): Define thread_model.
4257 * configure: Rebuilt.
4258 * gcc.c (main): Print it with -v.
4260 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4262 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4263 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4264 * gcc.1: Regenerate.
4266 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4268 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4269 is_redundant_typedef): Use static inline instead of inline static.
4271 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4273 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4274 this directory is always searched.
4276 2001-04-25 Richard Henderson <rth@redhat.com>
4278 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4279 of registers to restore along non eh_return path.
4281 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4283 * c-format.c (check_format_info_recurse): Handle
4284 PLUS_EXPR for format string.
4286 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4288 * config/ia64/ia64.h (CC1_SPEC): Define.
4289 * config/ia64/linux.h (CC1_SPEC): Define.
4291 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4293 * emit-rtl.c (constant_subword): Also do sign extension in
4294 BITS_PER_WORD == 16 case.
4296 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4298 * loop.c (try_swap_copy_prop): Go back to checking insn.
4300 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4302 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4303 if check_mode is non-zero.
4305 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4307 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4308 out and comparison sequence has been detected, put result into
4309 proper temporary pseudo.
4311 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4313 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4314 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4315 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4316 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4317 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4318 for future reference.
4320 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4322 * except.c (reachable_handlers): Step out one level from a RESX.
4324 * except.c (struct eh_region): Rename 'last' to 'resume'.
4325 (mark_eh_region, duplicate_eh_region_1): Adjust.
4326 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4327 (build_post_landing_pads): Likewise.
4328 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4329 (expand_eh_region_end_must_not_throw): Likewise.
4330 (connect_post_landing_pads): Thread (only) regions with non-deleted
4333 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4334 registers around the cleanup.
4335 (get_exception_filter): New fn.
4336 (finish_eh_generation): Use it.
4338 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4340 * c-semantics.c (add_scope_stmt): Don't call
4341 current_scope_stmt_stack multiple times.
4343 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4344 Nathan Sidwell <nathan@codesourcery.com>
4346 Lazy __FUNCTION__ generation.
4347 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4348 RID_C99_FUNCTION_NAME): New _RIDs.
4349 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4350 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4351 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4353 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4354 (c99_function_name_decl_node, function_name_decl_node,
4355 pretty_function_name_decl_node, saved_function_name_decls):
4357 (struct language_function): Remove x_function_name_declared_p.
4358 (make_fname_decl): Remove a parameter.
4359 (declare_function_names): Remove prototype.
4360 (start_fname_decls, finish_fname_decls): Prototype.
4361 (fname_as_string): Likewise.
4362 (fname_string, fname_decl): Likewise.
4363 * c-common.c (make_fname_decl): Adjust.
4364 (struct fname_var_t): New struct.
4365 (fname_vars): New static array.
4366 (declare_function_name): Remove.
4367 (start_fname_decls, finish_fname_decls): New functions.
4368 (fname_as_string): New function from remnants of
4369 declare_function_name.
4370 (fname_string, fname_decl): New functions.
4372 * c-decl.c (c_function_name_declared_p): Remove.
4373 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4374 don't call declare_function_name. Call start_fname_decls.
4375 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4376 clobber the line number. Call finish_decl.
4377 (start_function): Call start_fname_decls.
4378 (finish_function): Call finish_fname_decls.
4379 Remove c_function_name_declared_p.
4380 (push_c_function_context): Don't push c_function_name_declared_p.
4381 (pop_c_function_context): Don't pop c_function_name_declared_p.
4382 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4383 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4384 (program): Call finish_fname_decls for C.
4385 (primary): Add VAR_FUNC_NAME.
4386 (reswords): Add slots for __FUNCTION__ et al.
4387 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4388 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4389 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4390 * c-semantics.c (prune_unused_decls): Remove.
4391 (finish_stmt_tree): Don't call prune_unused_decls.
4392 (genrtl_decl_stmt): Don't prune unused decls here.
4394 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4396 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4397 constant pool, use the pool's SYMBOL_REF instead.
4399 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4402 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4404 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4405 passing nested NOP_EXPRs to fold.
4407 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4409 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4411 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4413 * loop.c (loop_delete_insns): Add prototype.
4415 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4417 * configure.in: Remove ENABLE_STD_NAMESPACE.
4418 * config.in: Regenerated.
4419 * configure: Regenerated.
4421 2001-04-22 Stan Shebs <shebs@apple.com>
4423 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4425 * config/rs6000/xm-darwin.h: Remove file.
4427 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4430 (write_c_file_stat): Likewise.
4432 * dbxout.c (dbxout_init): Likewise.
4434 * profile.c (output_func_start_profiler): Likewise.
4436 2001-04-22 Philipp Thomas <pthomas@suse.de>
4438 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4439 require it instead of the CVS version.
4440 * cpperror.c (v_message): Put a blank before the macro
4441 body to not confuse exgettext.
4443 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4445 * flow.c (proagate_one_insn): Remove useless assignment.
4446 * jump.c (delete_insn): Tidy.
4447 * loop.c (try_copy_prop): When deleting an instruction with a
4448 REG_RETVAL note, delete the entire libcall sequence.
4449 (loop_delete_insns): New function.
4450 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4451 we're not substituting into them yet.
4453 2001-04-21 Kazu Hirata <kazu@hxi.com>
4455 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4457 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4459 * config/i960/i960.c (signed_arith_operand): Likewise.
4461 * calls.c (expand_call): Fix a comment typo.
4463 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4465 * configure.in: Probe for times, clock, struct tms, and clock_t.
4466 * configure, config.in: Regenerate.
4467 * timevar.c: Replace ifdef forest in get_time with (relatively)
4468 straightforward series of checks based on autoconf's probes.
4470 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4472 * config/pa/som.h (NM_FLAGS): Define.
4474 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4476 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4478 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4479 * ia64.c (nop_cycles_until): New function.
4480 (prev_cycle, prev_first, last_issued): New static variables.
4481 (ia64_sched_reorder): Additional arg for clock.
4482 On final scheduling pass, emit extra NOPs as needed.
4483 Set prev_first and prev_cycle.
4484 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4485 (ia64_variable_issue): Set last_issued.
4487 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4489 * config/i386/i386.c (ix86_expand_int_movcc,
4490 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4492 2001-04-20 Geoff Keating <geoffk@redhat.com>
4494 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4495 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4496 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4497 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4498 ctrdi_internal6): In the short-branch case, this insn is only 4
4499 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4501 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4503 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4504 "=u" is used together with "st" resp. "st(1)" clobber.
4506 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4508 * gcse.c (gcse_main): Fix comment typo.
4509 (delete_null_pointer_check): Likewise.
4510 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4511 * cse.c (cse_insn): Likewise.
4512 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4515 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4517 * toplev.c: Excise all code for the undocumented -dm option.
4518 (float_signal): Call signal just once, unconditionally.
4520 2001-04-19 Geoff Keating <geoffk@redhat.com>
4522 * fold-const.c (fold): Use first_rtl_op rather than
4523 TREE_CODE_LENGTH when looping over parameters of a tree.
4524 Correct strange grouping in test for evaluated SAVE_EXPR.
4526 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4528 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4529 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4531 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4532 name at 32 total characters.
4533 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4534 functions in named sections -- data items can still go into unique
4535 sections, but they have normal names (ie $LIT$ and $DATA$).
4537 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4540 2001-04-19 DJ Delorie <dj@redhat.com>
4542 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4543 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4544 * config/i386/cygwin.h: Likewise.
4545 * config/i386/mingw32.h: Likewise.
4546 * config/vax/vms.h: Likewise.
4547 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4549 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4550 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4551 * config/i386/xm-cygwin.h: Likewise.
4552 * config/i386/xm-djgpp.h: Likewise.
4553 * config/i386/xm-mingw32.h: Likewise.
4554 * config/vax/xm-vms.h: Likewise.
4556 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4557 instead of OBJECT_SUFFIX.
4558 * collect2.c (find_a_file): Look for files matching the extension
4559 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4560 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4561 TARGET_EXECUTABLE_SUFFIX.
4562 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4563 (make_relative_prefix): Likewise.
4564 (convert_filename): Use TARGET_ suffixes throughout. Remove
4566 (process_command): Likewise.
4567 (do_spec_1): Likewise.
4568 * java/lang.c (init_parse): Likewise.
4570 * gcc.texi : Document four new options matching the pattern
4571 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4572 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4573 documentation for NO_AUTO_EXE_SUFFIX.
4575 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4577 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4578 that language-independent processing should not be done.
4579 * toplev.c (main): Adjust accordingly.
4581 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4582 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4584 * mips.md (reload_outputdi): Require that operand0 be a
4587 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4589 * invoke.texi (-Wshadow): Clarify.
4591 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4593 * loop.c (load_mems): Examine all the instructions in the loop
4594 before concluding that all jumps branch to the first instruction
4597 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4599 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4601 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4603 * cpp.texi (-Wwhite-space): Remove.
4604 (-Wall): -Wall does not imply -Wwhite-space.
4606 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4608 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4609 use it instead of blindly generating a .stabs.
4610 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4612 * xcoffout.c: Don't bother defining default for N_CATCH.
4613 (UNKNOWN_STAB): Use internal_error.
4614 (stab_to_sclass): Remove now-unnecessary aborts.
4615 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4617 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4619 * jump.c (mark_all_labels): Canonicalize the tail recursion
4620 label attached to CALL_PLACEHOLDER insns.
4622 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4624 * output.h (dump_flow_info, free_basic_block_vars,
4625 which_alternative): Delete redundant prototypes.
4627 * rtl.h (bss_section): Likewise.
4629 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4631 * dbxout.c (N_OPT): Define if not available from <stab.h>
4633 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4635 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4636 libraries and native K&R compilers.
4638 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4640 * c-typeck.c (convert_arguments): Don't check for width changes
4643 * invoke.texi (-Wtraditional): Update documentation.
4645 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4647 * toplev.c (output_lang_identify): Delete.
4648 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4649 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4650 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4651 after calling ASM_FILE_END.
4653 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4654 Instead, unconditionally emit an N_OPT stab with string equal
4655 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4657 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4659 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4660 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4661 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4662 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4663 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4664 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4665 config/i370/i370.h, config/i386/beos-elf.h,
4666 config/i386/osf1elf.h, config/i386/osfrose.h,
4667 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4668 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4669 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4670 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4671 config/mips/iris6.h, config/mips/osfrose.h,
4672 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4673 config/sparc/sp64-elf.h:
4674 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4675 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4677 * config/elfos.h, config/freebsd.h, config/linux.h,
4678 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4679 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4680 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4681 of ASM_FILE_START which merely emit a .version directive. Delete
4682 definitions of ASM_FILE_END which merely emit an .ident directive.
4684 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4685 ASM_IDENTIFY_GCC and move part of its logic into
4688 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4689 config/sparc/linux-aout.h: Don't emit .version directive in
4692 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4693 (output_file_start): Correct comment.
4695 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4696 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4698 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4699 * config/rs6000/aix.h: Correct comment.
4701 * config/i386/i386afe.h: Delete.
4702 * config.gcc: Remove references to i386afe.h.
4704 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4705 other macros deleted by this patch were undocumented.
4707 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4709 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4711 * pa.c (secondary_reload_class): SAR<->FP copies require a
4714 * install.texi (mips-mips-bsd): Update list of functions
4715 required to include memmove.
4716 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4717 used functions to include memmove.
4719 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4721 * i386.md (sqrtdf2): SFmode should be DFmode.
4723 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4725 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4726 (find_moveable_store): Likewise.
4728 2001-04-15 Jim Wilson <wilson@redhat.com>
4730 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4732 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4734 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4735 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4737 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4739 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4742 2001-04-14 Alan Modra <amodra@one.net.au>
4744 * pa.c (force_mode): New function.
4745 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4747 2001-04-13 Jim Wilson <wilson@redhat.com>
4749 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4750 (first_instruction): New static variable.
4751 (rtx_needs_barrier): Return 1 for alloc.
4752 (init_insn_group_barriers): Set first_instruction.
4753 (rws_sum): Delete duplicate definition.
4754 (group_barrier_needed_p): Return 0 when first_instruction true.
4755 (safe_group_barrier_needed_p): Save and restore first_instruction
4756 around group_barrier_needed_p call.
4758 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4760 * expr.h (enum libfunc_index): Add LTI_memmove.
4761 (memmove_libfunc): Define macro.
4762 * optabs.c (init_optabs): Initialize memmove_libfunc.
4763 * expr.c (expand_assignment): Use memmove_libfunc instead of
4766 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4768 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4771 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4773 * Makefile.in (reg-stack.o): Depend on reload.h.
4774 (insn-attrtab.o): Depend on flags.h.
4776 * genattrtab (main): Include flags.h in insn-attrtab.c.
4778 * reg-stack.c: Include reload.h.
4780 * sparc.h (flag_pic): Delete redundant declaration.
4782 * output.h (flag_pic): Likewise.
4784 * tree.h (pedantic): Likewise.
4786 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4790 * jump.c, regmove.c, toplev.c: Include reload.h.
4792 * reload.h (reload_cse_regs): Declare.
4794 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4795 reload_cse_regs, init_reload, mark_home_live, reload,
4796 init_caller_save): Delete redundant prototypes.
4798 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4800 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4802 * regclass.c, ssa.c: Include expr.h.
4804 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4805 gen_move_insn): Delete redundant declarations.
4807 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4809 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4810 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4811 MAKEINFO and MAKEINFOFLAGS too.
4812 (stage4_build): Correctly order -B flags.
4814 2001-04-13 Alan Modra <amodra@one.net.au>
4816 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4817 PIC_OFFSET_TABLE_SAVE_RTX.
4818 (zdepi_cint_p): Describe zdepi insn.
4819 Formatting and white space fixes throughout file.
4821 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4822 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4823 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4824 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4825 (output_64bit_and): Use plain `int's for shift counts.
4826 (output_64bit_ior): Likewise.
4827 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4828 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4831 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4832 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4833 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4834 NEW_HP_ASSEMBLER into one. Kill warnings.
4836 * pa-gas.h: Delete file.
4837 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4838 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4839 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4840 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4842 * config/pa/mill32.S: New file.
4843 * config/pa/mill64.S: New file.
4844 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4845 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4846 * config/pa/t-linux64: New file.
4847 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4848 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4849 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4851 * elfos.h (SELECT_SECTION): Undef before defining.
4852 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4853 (LIB_SPEC): Remove -lmilli.
4854 (DBX_REGISTER_NUMBER): Remove.
4855 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4856 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4857 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4858 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4859 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4860 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4861 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4862 TARGET_GAS): Define.
4863 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4864 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4865 regs if we don't have a prototype.
4866 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4867 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4868 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4869 EH_RETURN_HANDLER_RTX): Define.
4870 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4871 (DWARF_FRAME_REGNUM): Define.
4872 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4873 * pa32-linux.h: New file.
4874 * pa64-linux.h: New file.
4876 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4877 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4878 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4879 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4880 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4881 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4882 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4883 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4884 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4885 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4886 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4887 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4888 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4889 * pa64-hpux.h: New file.
4890 (ASM_FILE_START): Correct typo.
4891 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4892 * config.gcc: Modify for above.
4894 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4896 * jump.c (jump_optimize_1): Don't delete dead stores here.
4897 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4898 prior to running jump optimize before cse2.
4900 2001-04-12 Richard Henderson <rth@redhat.com>
4902 * Makefile.in (regmove.o): Depend on except.h.
4903 * regmove.c: Include it.
4905 2001-04-12 Stan Shebs <shebs@apple.com>
4907 * objc/objc-act.c: Remove all code ifdefed with the never-used
4908 macro OBJC_INT_SELECTORS.
4909 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4910 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4912 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4914 * config/pa/quadlib.c: Add prototypes.
4916 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * bitmap.h (debug_bitmap): Delete redundant prototype.
4920 * rtl.h (get_frame_size): Likewise.
4922 2001-04-12 Jim Wilson <wilson@redhat.com>
4924 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4925 to just emit an fnorm.
4927 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4929 * c-common.h (truthvalue_conversion, type_for_mode,
4930 type_for_size): Delete redundant declarations.
4932 * c-lex.h (is_class_name): Likewise.
4934 * c-tree.h (pedantic, convert, getdecls, gettags,
4935 global_bindings_p, init_decl_processing, insert_block,
4936 maybe_build_cleanup, poplevel, print_lang_decl,
4937 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4938 set_block, incomplete_type_error, build_function_call,
4939 lvalue_or_else, mark_addressable): Likewise.
4941 * expr.h (expand_tree_builtin): Likewise.
4943 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4945 * invoke.texi: Document --param max-gcse-memory.
4947 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4949 * configure.in (errno): Check for declaration.
4950 * configure, config.in: Regenerated.
4952 * system.h (errno): Only declare if not already done.
4954 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4956 * recog.c (general_operand, immediate_operand,
4957 nonmemory_operand): Require CONST_INTs to be sign-extended
4958 values for their modes.
4960 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4962 * expmed.c (store_bit_field): Truncate CONST_INTs.
4963 (expand_mult_highpart, expand_divmod): Likewise.
4964 * expr.c (convert_modes, store_field): Likewise.
4965 * integrate.c (expand_inline_function): Use promote_mode() to
4966 determine whether to convert_modes() an argument as signed
4968 * optabs.c (expand_binop): Get CONST_INT operands
4969 sign-extended for their appropriate modes.
4970 * stmt.c (emit_case_nodes): Convert node values to the
4972 (expand_end_case): Convert minval and range to the appropriate
4974 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4975 the iteration variable.
4976 * varasm.c (immed_double_const): Don't require words to be
4977 narrower than host wide ints to properly sign-extend
4980 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4982 * sh.md (builtin_setjmp_receiver): New expander.
4984 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4986 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4987 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4988 for generating CONST_INT and CONST_DOUBLE.
4990 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4992 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4993 already sign-extended.
4994 (rs6000_emit_prologue): Make register iterator signed.
4995 (rs6000_emit_epilogue): Likewise.
4996 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4998 (movsf split, movdf split): Sign-extend CONST_INTs.
4999 (movdi splits): Likewise.
5001 2001-04-12 Kelley Cook <kelley.cook@home.com>
5003 * config-lang.in (lang_dirs): Add in zlib.
5005 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5007 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5008 operands that make it to RTL.
5010 2001-04-11 Stan Shebs <shebs@apple.com>
5012 Add Darwin (Mac OS X kernel) native support.
5013 * config.gcc (powerpc-*-darwin*): Add native bits.
5014 * config/darwin.c: New file, generic Darwin support functions.
5015 * config/darwin.h: New file, generic Darwin definitions.
5016 * config/darwin-protos.h: New file, generic Darwin prototypes.
5017 * rs6000/darwin.h: New file, Darwin for PowerPC.
5018 * rs6000/t-darwin: New file, Darwin makefile fragment.
5019 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5020 (TARGET_MACHO): Ditto.
5021 (rs6000_abi): Add ABI_DARWIN.
5022 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5023 (RS6000_SAVE_AREA): Ditto.
5024 (FP_ARG_MAX_REG): Ditto.
5025 (RETURN_ADDRESS_OFFSET): Ditto.
5026 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5028 (rs6000_emit_move): Add ABI_DARWIN cases.
5029 (print_operand): Ditto.
5030 (first_reg_to_save): Ditto.
5031 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5032 (debug_stack_info): Ditto.
5033 (rs6000_emit_prologue): Ditto.
5034 (rs6000_emit_epilogue): Ditto.
5035 (output_profiler_hook): Ditto.
5036 (output_function_profiler): Ditto.
5037 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5038 (output_mi_thunk): Add TARGET_MACHO case.
5039 (add_compiler_stub): Ditto.
5040 (output_compiler_stub): Ditto.
5041 (no_previous_def): Ditto.
5042 (output_call): Ditto.
5043 (machopic_output_stub): Ditto.
5044 (rs6000_machopic_legitimize_pic_address): Ditto.
5045 (toc_section): Ditto.
5046 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5047 (macho_high): Ditto.
5050 (load_macho_picbase): Ditto.
5051 (call): Add TARGET_MACHO case to modify function.
5052 (call_value): Ditto.
5053 (call_nonlocal_sysv): Add ABI_DARWIN case.
5054 (call_value_nonlocal_sysv): Ditto.
5055 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5057 (machopic_output_stub): Ditto.
5058 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5060 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5062 * dwarf2out.c (modified_type_die): Don't create new types here.
5063 * tree.h (get_qualified_type): New function.
5064 (build_qualified_type): Adjust comment.
5065 * tree.c (get_qualified_type): New function.
5066 (build_qualified_type): Use it.
5068 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5070 * cpp.texi (-Wtraditional): Update description.
5072 * invoke.texi (-Wtraditional): Likewise.
5074 2001-04-11 Jim Wilson <wilson@redhat.com>
5076 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5077 requires more than 64 bits of alignment.
5079 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5081 * cpplib.c (do_line): Sanity check iff enable checking.
5083 2001-04-11 Richard Henderson <rth@redhat.com>
5085 * Makefile.in (insn-recog.o): Depend on toplev.h.
5086 (insn-emit.o, doloop.o): Likewise.
5087 * genrecog.c, genemit.c: Include toplev.h in generated file.
5088 * doloop.c: Include toplev.h.
5090 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5092 * Makefile.in (gcse.o): Depend on params.h.
5093 * gcse.c: Include params.h.
5094 (gcse_main): Don't do GCSE if doing so will take inordinate
5096 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5097 * params.h (MAX_GCSE_MEMORY): New macro.
5099 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5101 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5103 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5105 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5107 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5109 * real.h (ereal_atof, real_value_truncate, target_isnan,
5110 target_isinf, target_negative, assemble_real, debug_real): Delete
5111 redundant prototypes.
5113 * Makefile.in (ifcvt.o): Depend on toplev.h.
5115 * c-semantics.c: Include expr.h.
5117 * ifcvt.c: Include toplev.h.
5119 * expr.h (rtx_equal_p): Delete prototype.
5121 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5122 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5123 eliminate_constant_term, expand_complex_abs, find_single_use,
5124 make_tree, init_expr_once, init_optabs, supports_one_only):
5127 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5128 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5129 expand_assignment, store_expr, emit_line_note_after,
5130 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5132 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5134 * sparc-protos.h: Delete redundant prototypes.
5136 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5138 * reload.c (push_reload): Add condition missed in SUBREG byte
5141 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5143 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5145 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5147 * i386.md (floatsisf_sse): Fix output template
5148 * i386.c (ix86_expand_fp_movcc)
5150 * reg-stack.c (emit_pop_insn): Handle complex modes.
5151 (move_for_stack_reg): Emit proper move mode.
5152 (subst_stack_regs_pat): Handle complex modes.
5154 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5156 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5158 2001-04-10 Richard Henderson <rth@redhat.com>
5160 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5161 (__pure_virtual, __terminate, __terminate_set_func,
5162 __default_terminate, __throw_type_match, __empty,
5163 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5164 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5165 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5166 Remove prototypes of deleted functions.
5168 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5170 * c-typeck.c (convert_arguments): -Wtraditional now activates
5171 -Wconversion warnings, except for changes in signed-ness.
5172 Detect complex<->int & int<->complex conversions as well.
5174 * invoke.texi (-Wtraditional): Document it.
5176 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5178 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5179 * flow.c (set_block_for_new_insns): Remove needless cast and
5180 properly check for unset block number.
5182 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5184 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5185 the subreg was a hard register. Pseudos are left as subregs.
5187 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5189 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5190 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5191 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5192 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5193 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5195 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5197 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5199 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5201 * output.h (set_block_num): Missed it earlier, remove deprecated
5204 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5206 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5207 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5208 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5209 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5210 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5211 (expr_killed_p): Change bb parameter from int to basic_block, pass
5212 basic_blocks instead of ints as parameters.
5213 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5214 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5215 from int to basic_block, pass basic_blocks instead of ints as parms.
5216 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5217 parameter from int to basic_block, pass basic_blocks instead of ints.
5218 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5219 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5220 pass basic_blocks instead of ints.
5221 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5222 basic_blocks instead of ints as parameters.
5223 (pre_delete): Pass basic_blocks instead of ints as parameters.
5224 (hoist_expr_reaches_here_p): Change bb parameter from int to
5225 basic_block, pass basic_blocks instead of ints.
5226 (hoist_code): Pass basic_blocks instead of ints as parameters.
5227 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5228 Change bb parameter from int to basic_block.
5229 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5230 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5231 pass basic_blocks instead of ints.
5232 (insert_store): Pass basic_blocks instead of ints as parameters.
5233 (replace_store_insn, delete_store): Change bb parameter from int to
5234 basic_block, pass basic_blocks instead of ints.
5235 (store_motion): Pass basic_blocks instead of ints as parameters.
5237 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5239 * basic-block.h (set_new_block_for_insns): New Prototype.
5240 (set_block_num): Delete prototype.
5241 * flow.c (set_block_num): Remove obsolete function.
5242 (set_block_for_new_insns): Set BB for single or multiple insns.
5243 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5244 (process_insn_end_bb): Use set_block_for_new_insns or
5245 set_block_for_insn instead of set_block_num.
5246 (pre_insert_copy_insn): Use set_block_for_new_insns.
5247 (update_ld_motion_stores): Use set_block_for_new_insns.
5248 (insert_insn_start_bb): Use set_block_for_new_insns.
5249 (replace_store_insn): Use set_block_for_new_insns.
5251 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5252 Jeff Law <law@redhat.com>
5254 * alias.c (get_addr): Externalize.
5255 (canon_true_dependence): New function. Behaves like true_dependance
5256 except it already assumes a MEM has been canonicalized.
5257 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5258 * gcse.c (struct ls_expr): Add load/store expressions structure.
5259 (modify_mem_list, canon_modify_mem_list): New variable.
5260 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5261 load motion and store motion if requested.
5262 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5263 (free_gcse_mem): Free the modify_mem_list array.
5264 (oprs_unchanged_p): Use load_killed_in_block_p.
5265 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5266 (mems_conflict_for_gcse_p): New function. Don't kill loads
5267 with stores to themselves if its in the load/store expression list.
5268 (load_killed_in_block_p): New function.
5269 (canon_list_insert): New Function.
5270 (record_last_mem_set_info): Keep a list of all instructions which
5271 can modify memory for each basic block.
5272 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5273 (oprs_not_set_p): Use load_killed_in_block_p.
5274 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5275 (expr_killed_p): Use load_killed_in_block_p.
5276 (compute_transp): Do not pessimize memory references.
5277 (pre_edge_insert): Update stores for a load motion expression.
5278 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5279 (ldst_entry): Find or create a ldst_expr structure.
5280 (free_ldst_entry): Free memory for an individual item.
5281 (free_ldst_mems): Free entire load/store expression list.
5282 (print_ldst_list): Print debug info.
5283 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5284 (enumerate_ldsts): Assign integer values to each entry in list.
5285 (first_ls_expr): First expression in the list.
5286 (next_ls_expr): Next expression in the list.
5287 (simple_mem): Check if expression qualifies for ld/st expression list.
5288 (invalidate_any_buried_refs): Remove from expression list if its
5289 used in some other way we dont understand.
5290 (compute_ld_motion_mems): Find all potential enhanced load motion
5292 (trim_ld_motion_mems): Remove any expressions which are invalid.
5293 (update_ld_motion_stores): Copy store values to registers for loads
5294 which have been moved.
5295 (regvec, st_antloc, num_store): New global statics.
5296 (reg_set_info): Marks registers as set.
5297 (store_ops_ok): Verfies registers expressions are valid in a block.
5298 (find_moveable_store): Look for moveable stores in a pattern.
5299 (compute_store_table): Find stores in a function worth moving, maybe.
5300 (load_kills_store): Check dependance of a load and store.
5301 (find_loads): Find any loads in a pattern.
5302 (store_killed_in_insn): Check if a store is killed in an insn.
5303 (store_killed_after): Check is store killed after an insn in a block.
5304 (store_killed_before): Check is store killed before an insn in a block.
5305 (build_store_vectors): Generate the antic and avail vectors.
5306 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5307 (insert_store): Add a store to an edge.
5308 (replace_store_insn): Replace a store with a SET insn.
5309 (delete_store): Delete a store insn.
5310 (free_store_memory): Free memory.
5311 (store_motion): Perform store motion.
5312 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5313 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5314 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5315 (f_options): Add gcse-lm and gcse-sm.
5317 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5319 * i386.c (expand_fp_movcc): Fix condition reversal code.
5321 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5322 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5323 (CLASS_MAX_NREGS): Use it.
5325 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5326 handle properly complex values.
5327 (CLASS_MAX_NREGS): Likewise; update comment.
5329 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5331 * ia64.c (ia64_flag_schedule_insns2): New variable.
5332 (ia64_override_options): Initialize it. Clear
5333 flag_schedule_insns_after_reload.
5334 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5336 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5338 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5339 Do not require source to match destination anymore;
5340 Add abort to the nontrivial cases that should be handled by split.
5341 (fix_trunc?fdi): Add SSE case for x86_64.
5342 (floatdi?f): Likewise.
5343 (floatdi?f_sse): New.
5344 (fix_trunc?fdi_sse): New.
5346 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5348 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5349 (DEBUG_ARANGES_END_LABEL): Ditto.
5350 (dwarfout_init): Generate length and version fields at the start
5351 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5352 after the length field.
5353 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5354 the .debug_aranges info.
5356 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5358 * i386.c (call, call_value): Make sure that resulting call_insn
5359 does have proper second operand.
5361 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5363 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5364 function. Remove include of sys/cygwin.h.
5366 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5368 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5369 (CPP_SPEC): Always search */include/w32api for header files.
5370 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5371 (LINK_SPEC): Add "cyg" to the library search prefixes.
5373 2001-04-08 Philip Blundell <philb@gnu.org>
5375 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5377 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5379 * cpperror.c (print_location): Don't special case <stdin>.
5380 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5381 WARNING, but we don't check if we're in system headers.
5382 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5383 * cpplib.c (do_warning): Warn in system headers.
5385 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5387 * mbchar.c: Include config.h first.
5389 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5391 * config.gcc: Set default for xmake_file at top, not bottom.
5392 Change places that set xmake_file to "none" to set to the
5393 empty string instead, or remove them entirely if there is no
5394 default xmake_file for this cpu_type. Remove references to
5397 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5398 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5399 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5400 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5401 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5402 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5403 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5404 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5405 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5406 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5409 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5410 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5411 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5412 config/mips/x-sysv, config/rs6000/x-aix31:
5413 Just set CLIB to -lld or -lmld, as appropriate.
5415 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5416 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5417 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5418 config/mips/x-iris, config/pa/x-pa:
5419 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5420 OTHER_FIXINCLUDES_DIRS.
5422 * config/i386/x-djgpp: Don't set LN or LN_S.
5423 * config/m88k/x-dolph: Don't define __m88k__.
5424 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5425 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5426 * config/i860/fx2800.h: No need to #undef SVR4.
5428 38 x-host fragments remain, 2 x-cpu.
5430 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5432 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5434 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5436 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5438 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5440 * configure.in: Add check for lstat.
5441 * configure, config.in: Regenerate.
5442 * cppinit.c (append_include_chain): Make empty path ".".
5443 * cpplib.c (do_line): Don't simplify #line paths.
5444 * cppfiles.c (remove_component_p): New function.
5445 (find_or_create_entry): Acknowledge stat () errors during
5446 path simplification.
5447 (handle_missing_header): Don't simplify paths.
5448 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5449 the empty path untouched. Don't leave a trailing '/'.
5451 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5453 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5454 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5456 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5458 * cppfiles.c (open_file): Fail directories silently, but
5459 with an errno of NOENT set.
5460 (read_include_file): Move the common exit code to the sole
5461 caller. Return an int indicating success or failure. Let
5462 open_file handle directories.
5463 (stack_include_file): If read_include_file fails,
5464 push a "null" buffer.
5466 2001-04-05 DJ Delorie <dj@redhat.com>
5468 * function.h (virtuals_instantiated): Declare.
5469 * function.c: (virtuals_instantiated): Make global.
5470 * calls.c (emit_library_call_value_1): Use
5471 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5472 Otherwise, use the stack pointer directly.
5474 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5476 * i386.c (x86_initialize_trampoline): New global function.
5477 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5478 (INITIALIZE_TRAMPOLINE): Move offline.
5479 * i386-protos.h (x86_initialize_trampoline): Declare.
5481 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5483 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5484 (lea_0): Rename to lea_1.
5485 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5486 (lea_general_?): Allow SImodes on TARGET_64BIT
5487 (lea_general_?_zext): New patterns.
5488 (call_1, call_1_rex64): Fix.
5490 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5492 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5494 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5496 * i386.c (function_arg): Return constm1_rtx for last argument.
5497 (ix86_expand_prologue): Update gen_call calls.
5498 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5499 * i386.md (call_pop): Likewise.
5500 (call): Second operand is VOIDmode.
5501 (call_0): Likewise; Support 64bits.
5502 (call_exp): New expander.
5503 (call_1): Get to the sync.
5504 (call_1_exp): New pattern.
5505 (call_value): Support 64bit.
5506 (call_value_exp): New pattern.
5507 (untyped_call): Update gen_call call.
5508 (call_value_pop): Disable for 64bit.
5509 (call_value_0_rex64): New pattern.
5510 (call_value_1_rex64): Likewise.
5512 2001-04-05 Bo Thorsen <bo@suse.de>
5514 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5516 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5518 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5519 satisfies ANY_QI_REG_P.
5521 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5523 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5526 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5529 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5531 * config.gcc: Remove default for xm_file. Clean up local
5532 machine type handling. Remove settings of xm_file to
5533 something that doesn't exist. In the big switch, set xm_file,
5534 don't append to it (the value before the big switch is always
5535 null). Don't force build_xm_file or host_xm_file to have a value.
5536 * configure.in: Remove default for xm_file. Do not special
5537 case $cpu/xm-$cpu.h not existing.
5538 * configure: Regenerate.
5540 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5542 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5543 when folding integer division and modulo operations.
5545 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5547 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5548 instead of DWARF2_ADDR_SIZE for EH addresses.
5549 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5552 2001-04-04 Richard Henderson <rth@redhat.com>
5554 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5555 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5556 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5558 2001-04-04 Richard Henderson <rth@redhat.com>
5560 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5561 * configure: Rebuilt.
5563 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5565 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5566 push insns to delete to it instead of deleting them.
5567 (delete_null_pointer_checks): Delete insns from delete_list after
5568 all delete_null_pointer_checks_1 passes are done.
5570 2001-04-04 Richard Henderson <rth@redhat.com>
5572 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5573 * configure: Rebuilt.
5575 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5577 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5578 * config/romp/xm-romp.h: Delete.
5580 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5582 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5585 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5587 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5588 all labels present in rtx.
5589 (try_split) Call new function for all split insns.
5591 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5593 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5594 sure the change won't be validated.
5596 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5598 * rtl.h (set_noop_p): Declare.
5599 * flow.c (set_noop_p): Move from here ...
5600 * rtlanal.c (set_noop_p): ... to here and enhance.
5601 * cse.c (delete_trivially_dead_insns): Use it.
5602 * gcse.c (hash_scan_set): Likewise.
5603 * jump.c (delete_noop_moves): Likewise.
5604 * recog.c (split_all_insns): Likewise.
5606 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5608 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5609 stack pointer via a LO_SUM. Ditto for setting a temp register
5610 used to save to the stack. Set cfa_temp when setting fp, and
5611 allow matches to cfa_temp in addition to cfa_store when saving
5612 regs. Handle POST_INC and LO_SUM register stores. Document the
5613 changes and errors in rule 12 doco.
5615 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5616 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5617 (load_reg): Move closer to epilogue code.
5618 (DO_FRAME_NOTES): Define to control the following..
5619 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5620 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5622 (hppa_expand_epilogue): Likewise.
5624 2001-04-03 Richard Henderson <rth@redhat.com>
5626 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5627 * configure: Rebuild.
5629 2001-04-03 Richard Henderson <rth@redhat.com>
5631 * rtl.h (LCT_THROW): New.
5632 * calls.c (emit_library_call_value_1): Handle it.
5633 * except.c (connect_post_landing_pads): Use it.
5635 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5637 * gansidecl.h: Delete file.
5638 * configure.in: Change all refs to gansidecl.h to use
5639 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5641 * configure: Regenerate.
5643 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5644 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5645 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5646 Don't include gansidecl.h.
5647 * intl.c, main.c, version.c, fixinc/fixlib.h,
5648 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5651 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5653 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5656 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5658 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5659 config/i386/xm-next.h, config/i386/xm-sco.h,
5660 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5661 config/m88k/xm-m88k.h: Delete.
5663 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5664 * config/romp/xm-romp.h: Don't define bcopy.
5665 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5666 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5668 * config.gcc: Remove references to deleted files.
5670 14 xm-host.h remain, 1 xm-cpu.h.
5672 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5673 David S. Miller <davem@pierdol.cobaltmicro.com>
5674 Andrew MacLeod <amacleod@redhat.com>
5676 Use byte offsets in SUBREGs instead of words.
5678 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5679 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5680 to pass new argument.
5681 (add_stored_regs): Use subreg_regno_offset function.
5682 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5684 (precompute_arguments): Use gen_lowpart_SUBREG.
5685 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5686 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5687 (simplify_set): Rework to use SUBREG_BYTE.
5688 (expand_field_assignment): Use SUBREG_BYTE.
5689 (make_extraction): Use SUBREG_BYTE.
5690 (if_then_else_cond): Use SUBREG_BYTE.
5691 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5692 (gen_lowpart_for_combine): Compute full byte offset.
5693 * cse.c (mention_regs): Use SUBREG_BYTE.
5694 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5695 (canon_hash): Use SUBREG_BYTE.
5696 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5697 (gen_lowpart_if_possible): Formatting.
5698 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5700 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5701 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5702 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5703 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5704 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5705 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5706 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5707 certain invariants about SUBREGs the compiler creates.
5708 (gen_lowpart_SUBREG): New function.
5709 (subreg_hard_regno): New function to get the final register number.
5710 (gen_lowpart_common): Use SUBREG_BYTE.
5711 (gen_imagpart): Spacing nits.
5712 (subreg_realpart_p): Use SUBREG_BYTE.
5713 (gen_highpart): Use SUBREG_BYTE.
5714 (subreg_lowpart_p): Always compute endian corrected goal offset,
5715 even at the byte level, then compare against that.
5716 (constant_subword): New function, pulled out all constant cases
5717 from operand_subword and changed second argument name to offset.
5718 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5719 and call constant_subword to do the work. Return const0_rtx if
5720 looking for a word outside of OP.
5721 (operand_subword_force): Change second arg name to offset.
5722 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5723 (store_split_bit_field): Use SUBREG_BYTE.
5724 (extract_bit_field): Use SUBREG_BYTE.
5725 (extract_split_bit_field): Use SUBREG_BYTE.
5726 (expand_shift): Use SUBREG_BYTE.
5727 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5728 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5729 * flow.c (set_noop_p): Use SUBREG_BYTE.
5730 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5731 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5732 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5734 (optimize_bit_field): Use SUBREG_BYTE.
5735 (purge_addressof_1): Use SUBREG_BYTE.
5736 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5737 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5738 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5739 * gengenrtl.c (special_rtx): Add SUBREG.
5740 * global.c (mark_reg_store): Use SUBREG_BYTE.
5741 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5742 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5743 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5744 final byte offset is congruent to subreg's mode size.
5745 (subst_constants): Use SUBREG_BYTE.
5746 (mark_stores): Use subreg_regno_offset function.
5747 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5748 function and SUBREG_BYTE.
5749 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5750 (reg_is_born): Use subreg_hard_regno.
5751 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5752 endian correction code. Don't combine subregs unless resulting
5753 offset aligns with type. Fix subreg constant extraction for DImode.
5754 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5755 (general_operand): Remove dead mode_altering_drug code.
5756 (indirect_operand): Use SUBREG_BYTE.
5757 (constrain_operands): Use subreg_regno_offset function.
5758 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5759 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5760 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5761 * regs.h (REG_SIZE): Allow target to override.
5762 (REGMODE_NATURAL_SIZE): New macro which target can override.
5763 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5764 on the entire subreg rtx.
5765 (push_reload): Use SUBREG_BYTE in comments and code.
5766 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5767 for hard registers inside subregs.
5768 (operands_match_p): Use subreg_regno_offset.
5769 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5770 containing hard regs.
5771 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5772 corrections when fixing up MEM subregs.
5773 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5774 subreg_regno_offset where appropriate.
5775 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5776 byte endian corrections when fixing up MEM subregs.
5777 (subst_reloads): When combining two subregs, make sure final
5778 offset is congruent to subreg's mode size.
5779 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5780 (refers_to_regno_for_reload_p): Use subreg_regno.
5781 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5782 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5783 correction code for memory subreg fixups.
5784 (forget_old_reload_1): Use subreg_regno_offset.
5785 (choose_reload_regs): Use subreg_regno.
5786 (emit_input_reload_insns): Use SUBREG_BYTE.
5787 (reload_combine_note_store): Use subreg_regno_offset.
5788 (move2add_note_store): Use subreg_regno_offset.
5789 * resource.c (update_live_status, mark_referenced_resources): Use
5790 subreg_regno function.
5791 (mark_set_resources): Use subreg_regno function.
5792 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5793 (subreg_regno_offset, subreg_regno): Define prototypes.
5794 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5795 (gen_lowpart_SUBREG): Add prototype.
5796 * rtl.texi (subreg): Update to reflect new byte offset representation.
5797 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5798 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5799 (reg_overlap_mentioned_p): Use subreg_regno.
5800 (replace_regs); Make sure final offset of combined subreg is
5801 congruent to size of subreg's mode.
5802 (subreg_regno_offset): New function.
5803 (subreg_regno): New function.
5804 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5805 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5806 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5807 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5808 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5809 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5810 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5811 (print_operand): Use SUBREG_BYTE.
5812 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5813 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5814 (arm_reload_out_hi): Use SUBREG_BYTE.
5815 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5816 instead of SUBREG_WORD.
5817 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5818 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5819 SUBREG creation to use byte offset.
5820 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5821 inverted load insns): Fix explicit rtl subregs to use byte
5823 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5824 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5825 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5826 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5827 to use byte offsets.
5828 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5829 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5830 offsets, also make sure it is congruent to SUBREG's mode size.
5831 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5832 unnamed ldob insn): Generate SUBREGs with byte offset.
5833 (zero_extendqihi2): SUBREG's are byte offsets.
5834 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5835 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5836 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5837 zero-extendqisi2): Generate SUBREGs with byte offset.
5838 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5839 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5840 subregs in rtl to use byte offsets.
5841 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5842 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5843 (mips_move_2words): Use subreg_regno_offset.
5844 (mips_secondary_reload_class): Use subreg_regno_offset.
5845 * config/mips/mips.md (DImode plus, minus, move, and logical op
5846 splits): Fixup explicit subregs in rtl to use byte offsets.
5847 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5848 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5849 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5850 rtl to use byte offsets.
5851 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5852 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5853 subregs to use byte offsets.
5854 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5855 Fixup explicit subregs in rtl to use byte offsets.
5856 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5857 and remove byte endian correction code.
5858 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5859 (gen_ashift_hi): Use SUBREG_BYTE.
5860 (regs_used): Use subreg_regno_offset.
5861 (machine_dependent_reorg): Use subreg_regno_offset.
5862 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5863 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5864 (movdf_i4): Subregs are byte offsets now.
5865 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5866 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5867 (REGMODE_NATURAL_SIZE): Override.
5868 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5869 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5871 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5872 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5873 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5874 it is congruent to SUBREG's mode size.
5875 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5877 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5878 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5879 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5880 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5881 * config/v850/v850.c (print_operand, output_move_double): Use
5882 subreg_regno function.
5884 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5886 * configure.in (target_subdir): Use target_alias, not target.
5887 * configure: Rebuilt.
5889 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5891 * config/sh/crti.asm: Fix typos in comments.
5893 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5895 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5896 TARGET_FAST_INDIRECT_CALLS.
5897 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5899 (return_addr_rtx): Short circuit export stub matching when
5900 TARGET_NO_SPACE_REGS.
5901 (output_millicode_call): For out of range calls, make -fPIC
5902 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5903 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5904 * pa.md: Modify length attr calculation of all millicode insns to
5907 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5909 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5910 Require at least 2.11 in the version test. Specifically check
5911 for and reject GAS version 2.10.90.
5912 * configure: regenerate.
5914 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5916 * pa.c (override_options): Remove PIC profiling warning.
5917 (hp_profile_labelno): Delete.
5918 (hp_profile_label_rtx): Delete.
5919 (hp_profile_label_name): Delete.
5920 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5921 (output_function_prologue): Remove profiling code and all tests on
5922 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5923 merge_sp_adjust_with_store can work for PIC and profiling.
5924 (hppa_expand_epilogue): Remove profile_flag test.
5925 (hppa_can_use_return_insn_p): Likewise.
5926 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5927 cater for PROFILE_HOOK.
5928 (hppa_profile_hook): New function.
5929 * pa.h (FUNCTION_PROFILER): Now does nothing.
5930 (PROFILE_HOOK): Define.
5931 (hppa_profile_hook): Declare.
5932 (PROFILE_BEFORE_PROLOGUE): Delete.
5933 (ASM_OUTPUT_REG_PUSH): Delete.
5934 (ASM_OUTPUT_REG_POP): Delete.
5935 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5936 r24. Accept function name operand, and use this and a locally
5937 generated label to calculate pc-rel offset to func start.
5939 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5941 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5942 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5945 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5947 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5948 LO_SUM cases to where they belong.
5950 2001-04-02 Richard Henderson <rth@redhat.com>
5952 * except.h (lang_eh_type_covers): Mark extern.
5953 (lang_eh_runtime_type): Likewise.
5955 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5957 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5958 gengenrtl.c: Wrap generated header in multiple-include guard.
5959 Improve error checking.
5961 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5963 * configure.in: Don't check for putenv.
5964 * configure: Regenerate.
5965 * gcc.c (putenv): Don't define.
5966 * vax/xm-vms.h: Handle putenv.
5968 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5970 * ifcvt.c (noce_emit_move_insn): New.
5971 (noce_try_store_flag, noce_try_store_flag_constants,
5972 noce_try_store_flag_inc, noce_try_store_flag_mask,
5973 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5974 noce_try_abs): Use it.
5975 (noce_process_if_block): Likewise.
5976 For STRICT_LOW_PART, take mode from its SUBREG.
5978 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5980 * fold-const.c (fold): Before optimizing unsigned comparison with
5981 0x7fffffffU, make sure arg0 is integral type.
5983 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5985 * c-tree.texi: Document representation of wide strings.
5987 2001-04-01 Richard Henderson <rth@redhat.com>
5989 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5991 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5993 * i386.md: remove obsoleted comments.
5994 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5995 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5996 fix output template.
5998 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6000 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6002 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6004 * loop.c (load_mems): When generating a load from a pseudo, update
6007 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6009 * i386.c (ix86_split_long_move): Use change address to compensate
6010 stack pointer change in push instruction.
6012 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6014 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6015 instead of rtx_equal_p; fix the output template.
6017 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6019 * i386.c (ix86_expand_setcc): Support 64bit.
6020 (ix86_expand_int_movcc): Likewise.
6021 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6024 * i386.md (allocate_stack_worker): Turn to expander.
6025 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6027 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6029 2001-03-29 Richard Henderson <rth@redhat.com>
6031 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6033 2001-03-28 Matthew Hiller <hiller@redhat.com>
6035 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6038 * MAINTAINERS: Added self.
6040 2001-03-28 Richard Henderson <rth@redhat.com>
6042 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6043 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6045 2001-03-28 Jim Wilson <wilson@redhat.com>
6047 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6050 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6052 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6054 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6057 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6059 2001-03-28 DJ Delorie <dj@redhat.com>
6061 * Makefile.in (stage1_build): Revert CFLAGS patch.
6063 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6065 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6066 when multiplier or multiplicand is zero.
6068 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6070 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6072 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6074 (set_src_needs_barrier): Likewise.
6075 (rtx_needs_barrier): For SET case, use these two functions. Rework
6076 PARALLEL case to handle all inputs before all outputs.
6077 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6078 saw a label and no stop bit since then.
6079 (maybe_rotate, process_epilogue): Add prototypes.
6081 2001-03-28 Richard Henderson <rth@redhat.com>
6083 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6084 not TARGET_TOC for special toc restore handling.
6085 * config/rs6000/rs6000.md (eh_return): Likewise.
6087 2001-03-28 Richard Henderson <rth@redhat.com>
6089 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6090 current_function_calls_eh_return.
6091 (output_function_epilogue): Handle eh_return.
6092 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6093 (EH_RETURN_DATA_REGNO): New.
6094 (EH_RETURN_STACKADJ_RTX): New.
6095 (EH_RETURN_HANDLER_RTX): New.
6096 * config/sparc/sparc.md (call/short branch peepholes): Check
6097 can_throw_internal instead of in_same_eh_region.
6099 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6100 for eh_return data registers.
6101 (rs6000_emit_prologue): Save eh_return data registers.
6102 (rs6000_emit_epilogue): Force inline restores if eh_return.
6103 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6104 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6105 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6106 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6107 the target uses one.
6108 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6109 (return_eh_si, return_eh_di): Remove.
6110 (eh_return): New, from corpse of eh_epilogue.
6111 (eh_set_lr_si, eh_set_lr_di): New.
6113 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6114 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6115 True for pic register if current_function_calls_eh_return.
6116 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6117 Handle eh_return requirements.
6118 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6119 (EH_RETURN_STACKADJ_RTX): New.
6120 * config/i386/i386.md (exception_receiver): Remove.
6121 (eh_return, eh_return_1): New.
6122 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6124 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6125 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6126 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6127 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6128 (EH_RETURN_DATA_REGNO): New.
6129 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6130 * config/alpha/alpha.md (eh_epilogue): Remove.
6131 (exception_receiver): Use $26 for ldgp input.
6132 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6134 2001-03-28 Richard Henderson <rth@redhat.com>
6136 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6137 * except.h: Likewise.
6139 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6140 (LIB2ADDEHDEP): New.
6141 (LIB2FUNCS_EH): Remove.
6142 (LIB2ADD): Remove LIB2ADDEH.
6143 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6144 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6145 (crt{begin,end}[S].o): Likewise.
6146 (except.o): Update includes.
6147 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6148 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6150 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6151 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6152 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6153 * builtins.c (expand_builtin): Implement it.
6154 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6155 * c-common.c (c_common_nodes_and_builtins): Declare it.
6156 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6157 * calls.c (libfunc_nothrow): Remove.
6158 (emit_library_call_value_1): Don't call it.
6159 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6160 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6161 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6162 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6163 (current_funcdef_number): Globalize.
6164 (output_call_frame_info): Emit frame data if an lsda is needed.
6165 Generate augmentation for personality routine. Don't play with
6167 (dwarf2out_begin_prologue): Record funcdef_number.
6168 * dwarf2out.h (current_funcdef_number): Declare.
6169 * expr.c (expand_expr): Update for except.h name changes.
6170 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6171 * expr.h (LTI_throw, LTI_rethrow): Remove.
6172 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6173 (LTI_eh_rtime_match): Remove.
6174 (LTI_unwind_resume, LTI_eh_personality): Add.
6175 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6176 * final.c (final): Don't call check_exception_handler_labels,
6177 init_insn_eh_region, or free_insn_eh_region.
6178 (final_scan_insn): Always emit debug labels for
6179 NOTE_INSN_EH_REGION notes.
6180 * flags.h (flag_new_exceptions): Remove.
6181 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6182 (record_active_eh_regions): Remove.
6183 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6184 Use can_throw_internal.
6185 (find_basic_blocks_1): Likewise.
6186 (move_stray_eh_region_notes): Remove.
6187 (find_label_refs): No eh_return_stub_label.
6188 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6189 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6191 (delete_unreachable_blocks): Don't track deleted handlers.
6192 (flow_delete_block): Use maybe_remove_eh_handler.
6193 (delete_eh_regions): Remove.
6194 (merge_blocks): Don't check for eh region match.
6195 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6196 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6197 (init_propagate_block_info): Disable dead frame store optimization
6198 when current_function_calls_eh_return.
6199 (dump_bb): Don't print eh_beg, eh_end.
6200 * function.c (fixup_var_refs): No catch_clauses.
6201 (expand_function_end): Likewise. Call expand_eh_return before
6202 the return register use. Call sjlj_emit_function_exit_after.
6203 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6204 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6205 * ifcvt.c (dead_or_predicable): Remove eh region check.
6206 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6207 Don't check for EH vs parameters.
6208 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6209 (expand_inline_function): Call duplicate_eh_regions.
6210 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6211 (copy_insn_notes): Remap REG_EH_REGION notes.
6212 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6213 * integrate.h (struct inline_remap): Add local_return_label.
6214 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6215 check_exception_handler_labels, nor exception_optimize.
6216 (find_cross_jump): No EH region check.
6217 * optabs.c (init_optabs): Update for changed eh libfuncs.
6218 * rtl.def (RESX): New.
6219 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6220 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6221 checks. Update for except.h name changes.
6222 (expand_cleanups): Likewise.
6223 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6224 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6225 (compile_file): Call init_eh before init_optabs. Don't
6226 output_exception_table here.
6227 (rest_of_compilation): Call convert_from_eh_region_ranges,
6228 convert_to_eh_region_ranges, output_function_exception_table.
6229 Don't emit_eh_context.
6230 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6231 (EXC_PTR_EXPR): New.
6233 * md.texi (eh_epilogue): Remove.
6234 (eh_return): Document.
6235 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6236 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6238 * eh-common.h: Remove file.
6239 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6240 * libgcc2.c (L_eh): Remove.
6242 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6243 * unwind-dw2-fde.h: New file.
6244 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6245 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6246 * libgcc-std.ver: Update for eh symbols.
6248 2001-03-27 Richard Henderson <rth@redhat.com>
6250 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6251 reduce false positives.
6252 (regmove_optimize): Disable if flag_non_call_exceptions.
6254 * stmt.c (expand_return): Remove always true predicate.
6255 (expand_decl_cleanup_no_eh): Remove dead code.
6257 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6258 barrier code. Add a scheduling barrier if a non-call insn
6259 can throw internally.
6261 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6262 Auto-inc addresses trap only if their base register does.
6264 * except.c (can_throw_internal): Rename from can_throw.
6265 * except.h, resource.c: Update references.
6267 * integrate.c (copy_insn_list): Use returnjump_p.
6268 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6270 * function.h (struct function): Move all boolean valued fields
6271 to single bit fields at the end of the struct.
6273 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6275 Rename asynchronous_exceptions to flag_non_call_exceptions.
6277 * gthr-single.h (UNUSED): New. Distinguish between how C
6278 and C++ mark unused function arguments. Use throughout.
6280 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6281 value to target configuration header.
6282 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6283 * config.in, configure: Rebuild.
6284 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6285 configuration and target defines.
6286 (exceptions_via_longjmp): Remove.
6287 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6288 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6290 * except.h (flag_non_call_exceptions): Move ...
6291 * flags.h: ... here.
6293 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6294 exceptions, put the note on the trapping instruction.
6296 * flags.h (flag_new_exceptions): Remove.
6297 * toplev.c: Don't set it.
6298 * final.c: Don't check it.
6299 * except.c: Provide stub definition.
6301 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6302 (calculate_global_regs_live): Kill call-clobbered registers
6303 across exception edges.
6304 * reg-stack.c (convert_regs_1): Kill the entire target stack
6305 across non-call exception edges.
6307 * flow.c (cleanup_cfg): Take no argument.
6308 * output.h, sibcall.c, toplev.c: Update all calls.
6310 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6312 * configure.in: Don't check for bcopy.
6313 * configure, config.in: Regenerate.
6315 * system.h: Don't define or prototype bcopy, instead poison it.
6317 2001-03-27 Richard Henderson <rth@redhat.com>
6319 * function.c (expand_function_start): Set DECL_REGISTER on
6320 a pseudo used for DECL_RESULT.
6322 * rtl.h (LCT_NORETURN): New.
6323 * calls.c (emit_library_call_value_1): Handle it.
6325 2001-03-27 Stan Shebs <shebs@apple.com>
6327 * objc/objc-act.c (objc_init): Use dump_base_name.
6328 (gen_declaration): Clear the buffer arg.
6329 (gen_declaration_1): New function, body of gen_declaration.
6330 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6331 (gen_method_decl): Ditto, plus always clear buffer arg.
6332 (error_with_ivar): Simplify.
6333 (warn_with_method): Ditto.
6334 (build_message_expr): Don't clear buffers.
6335 (dump_interface): Ditto.
6336 (objc_debug): Ditto.
6337 (build_keyword_selector): Clear the buffer by only zeroing
6339 (objc_implementation_context): Declare.
6340 (start_class): Warn about missing @end.
6341 (finish_objc): Ditto.
6343 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6345 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6347 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6349 * Makefile.in (SYSTEM_H): Define.
6350 Depend on $(SYSTEM_H), not system.h.
6352 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6354 2001-03-27 Jim Wilson <wilson@redhat.com>
6356 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6358 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6359 (process_epilogue): New static function.
6360 (process_set): Call process_epilogue instead of emitting .restore
6362 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6364 * flow.c (struct reg_cond_life_info): New fields orig_condition
6366 (init_propagate_block_info): Set new fields.
6367 (mark_regno_cond_dead): Set and use new fields.
6368 (flush_reg_cond_reg_1): Likewise.
6369 (and_reg_cond, case AND): Check for redundant AND conditions.
6370 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6373 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6375 * cppmacro.c (stringify_arg): Null terminate strings.
6377 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6379 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6380 inclusion style. xm-m68hc11.h no longer exists.
6381 * config/m68hc11/xm-m68hc11.h: Delete file.
6382 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6384 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6385 Don't define GCC_VERSION, N_, or PARAMS; don't include
6386 gansidecl.h or stdio.h. Define inhibit_libc here.
6387 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6388 Delete code conditioned on #if GCC_VERSION == 2095.
6390 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6391 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6392 Delete code conditioned on #if GCC_VERSION == 2095.
6394 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6396 * system.h: Include symcat.h.
6397 (STRINGIFY): Don't define.
6399 * configure.in: Adjust comment.
6401 * builtins.c: Use STRINGX, not STRINGIFY.
6402 * gencheck.c: Likewise.
6403 * gengenrtl.c: Likewise.
6404 * protoize.c: Likewise.
6406 * cpplex.c: Don't include symcat.h.
6407 * cpplib.c: Likewise.
6409 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6411 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6413 * c-typeck.c (digest_init): Fold init expression.
6415 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6417 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6419 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6421 * except.c (eh_regs): Save results of build_pointer_type to a temp
6422 as FUNCTION_VALUE macro may evaluate its args multiple times.
6424 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6426 * c-common.h (DECL_NUM_STMTS): New macro.
6427 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6429 (pushdecl): Likewise.
6430 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6431 * integrate.c (expand_inline_function): Don't check
6433 * print-tree.c (print_node): Don't print it.
6434 * toplev.c (rest_of_compilation): Don't try to inline when
6435 flag_no_inline is on.
6436 * tree.h (DECL_FRAME_SIZE): Remove.
6437 (tree_decl): Adjust accordingly.
6439 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6441 * combine.c (try_combine): Use memcpy, not bcopy.
6443 * genattrtab.c (expand_units): Likewise.
6445 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6447 * i386.md (push mem DI peep2): New.
6448 (mov 0, mov -1 peep2): Handle 64bit.
6449 (lea to arithmetics peep2): Handle 64bit leas.
6450 (rsp arithmetics to push/pop peep2s): New.
6452 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6454 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6456 * i386.c (struct machine_function): Add save_varrargs_registers.
6457 (ix86_save_varrargs_registers): New macro.
6458 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6459 (ix86_expand_prologue): Likewise.
6460 (ix86_emit_epilogue_esp_adjustement): Likewise.
6461 (ix86_expand_epilogue): Likewise.
6462 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6463 (pro_epilogue_adjust_stack_1): New insn.
6464 (pro_epilogue_adjust_stack_rex64): Likewise.
6465 * i386.h (MASK_NO_RED_ZONE): New constant.
6466 (TARGET_RED_ZONE): New macro.
6467 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6468 (RED_ZONE_SIZE): New constant.
6469 (RED_ZONE_RESERVE): New constant.
6471 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6473 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6475 2001-03-25 Kazu Hirata <kazu@hxi.com>
6477 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6480 (umodhi3): Likewise.
6483 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6485 * mkconfig.sh (DEFINES): Handle entries with '='.
6487 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6488 Set xm_defines to MACRO=value instead.
6490 * i370/xm-mvs.h: Delete.
6492 * ns32k/xm-pc532-min.h: Likewise.
6494 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6496 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6498 use ix86_expand_binary_operator
6499 (?sh??i_?): Disable for 64bit.
6500 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6501 * i386.c (shiftdi_operand): New predicate.
6503 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6504 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6505 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6506 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6507 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6508 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6509 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6510 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6511 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6512 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6513 (rotldi3, rotrdi3): New expanders.
6515 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6517 * i386.md (movstrsi): Move offline.
6519 (strmovdi_rex64): New.
6520 (strmov?i): Accept 64bit.
6521 (strmov?i_rex64): New.
6522 (strmov?i_rex_1): New.
6523 (strmov?i_1): Disable for 64bit.
6524 (rep_mov?i_rex64): New.
6525 (rep_mov?i): Disable for 64bit.
6526 (clrstrsi): Move offline.
6527 (strset?i_rex64): New.
6528 (strset?i: Accept 64bit.
6529 (rep_stos?i): Disable for 64bit.
6530 (rep_stos?i_rex64): New.
6531 (strset?i_rex_1): New.
6532 (strset?i_1): Disable for 64bit.
6533 (cmpstrsi): Accept 64bit.
6534 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6535 (cmpstrqi_nz_rex_1): New.
6536 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6537 (strlensi): Move offline.
6539 (strlenqi_1): Disable for 64bit; fix constraints.
6540 (strlenqi_rex_1): New.
6541 * i386.c (ix86_adjust_counter): New static function.
6542 (ix86_zero_extend_to_Pmode): Likewise.
6543 (ix86_expand_aligntest): Likweise.
6544 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6545 (ix86_expand_movstr): New global function.
6546 (ix86_expand_clrstr): New global function.
6547 (ix86_expand_strlen): New global function.
6548 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6549 ix86_expand_strlen): Declare.
6550 (ix86_expand_strlensi_unroll_1): Delete.
6552 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6554 * i386.md (cmpdi): Fix operand predicates.
6555 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6556 cmpdi_1_insn_rex64): New patterns.
6557 (adddi3): Turn to expander.
6558 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6559 (addsi3_carry_zext): New pattern.
6560 (adddi_?_rex64): New patterns and splitters.
6561 (addsi_?_zext): New patterns.
6562 (subsi3_carry_zext): New pattern.
6563 (subdi_?_rex64): New patterns and splitters.
6564 (iorsi_?_zext): New patterns.
6565 (iordi_?_rex64): New patterns and splitters.
6566 (iorsi_?_zext): New patterns.
6567 (iorsi_?_zext_imm): New patterns.
6568 (xorsi_?_zext): New patterns.
6569 (xordi_?_rex64): New patterns and splitters.
6570 (xorsi_?_zext): New patterns.
6571 (negdi*): New patterns.
6572 (one_cmpldi*): Likewise.
6573 (one_cmplsi*_zext, negsi*_zext): Likewise.
6574 (testqi_ext_3_rex64): New pattern.
6576 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6578 * i386-protos.h (ix86_split_long_move): Return void.
6579 * i386.c (ix86_split_to_parts): Handle 64bit target.
6580 (ix86_split_long_move): Likewise.
6581 * i386.md (all calls to ix86_split_long_move): Update.
6583 2001-03-23 Richard Henderson <rth@redhat.com>
6585 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6586 to avoid shadowing arguments.
6588 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6590 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6591 to variable names where DECL_NAME is different from
6592 DECL_ASSEMBLER_NAME.
6594 2001-03-23 Jim Wilson <wilson@redhat.com>
6596 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6597 (assemble_alias): Call make_decl_rtl.
6599 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6601 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6603 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6605 * extend.texi: Document the "java_interface" attribute.
6607 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6609 * mkconfig.sh: Use a subshell with redirected stdout,
6610 instead of closing stdout and confusing commands that run
6611 afterward. Throw away output of cmp.
6613 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6615 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6617 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6619 * i386.md (zero_extendsidi2_32): Break out from ...
6620 (zero_extendsidi2): ... here ; turn to expander.
6621 (zero_extendsidi2_rex64): New.
6622 (extendsidi2_32): Break out from ...
6623 (extendsidi2): ... here ; turn to expander.
6624 (extendsidi2_rex64): New.
6625 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6626 (trunc?f?f splitters): Add 64bit versions.
6628 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6630 * i386.md (pushsi, pushsi2_prologue): Disable.
6631 (pushsi2_rex64): New.
6632 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6633 (movqi_ext_1): Disable for 64bit.
6634 (movqi_ext_1_rex64): New.
6635 (pushdi2_rex64): New pattern, peep2s and splitter.
6636 (pushdi2_prologue_rex64): New pattern.
6637 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6639 (movdi splitters): Disable for 64bit.
6640 (movdi_1_rex64): New pattern, peep2s and splitters.
6641 (swapdi): New pattern.
6642 (pushsf): Disable for 64bit.
6643 (pushsf_rex64): New pattern and splitter.
6644 (pushdf_nointeger): Disable for 64bit.
6645 (pushdf_integer): Handle the 64bit case.
6646 (pushtf): Likewise; update splitters.
6648 2001-03-22 Richard Henderson <rth@redhat.com>
6650 * mkconfig.sh: Include insn-flags.h.
6651 * Makefile.in (CONFIG_H): Include insn-flags.h.
6652 (lots of objects): Remove insn-codes.h and insn-flags.h.
6654 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6655 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6656 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6657 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6658 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6659 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6660 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6661 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6662 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6663 v850/v850.c, vax/vax.c:
6664 Don't include insn-flags.h.
6666 * diagnostic.c, expr.h, reload.c, toplev.c:
6667 Don't include insn-codes.h.
6669 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6670 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6671 c4x/c4x.c, i960/i960.c, mips/mips.c:
6672 Don't include insn-codes.h or insn-flags.h.
6674 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6675 or insn-flags.h in the generated code.
6676 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6677 (main): Forward declare struct rtx_def.
6679 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6681 * invoke.texi (-ffast-math): Remove duplicate line about
6684 * gcc.texi: Remove more obsolete documentation of bugs and
6685 installation problems.
6687 2001-03-21 Kazu Hirata <kazu@hxi.com>
6689 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6692 2001-03-20 Jason Merrill <jason@redhat.com>
6694 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6696 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6697 * varasm.c (CHKR_PREFIX): Likewise.
6699 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6701 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6702 is part of a multi-SET insn.
6704 * cse.c (find_comparison_args): Remove previous change.
6705 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6708 * config/i386/i386.md (conditional_trap): Remove warning.
6710 * recog.c (push_operand): Fix error in last change that caused
6711 undefined symbol on many targets.
6713 * sdbout.c: #include ggc.h.
6714 (sdbout_init): Move to end of file.
6715 Call ggc_add_tree_root for anonymous_types.
6716 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6717 (sdbout_one_type): Use DECL_NAME for field name.
6718 * Makefile.in (sdbout.o): Show includes ggc.h.
6720 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6722 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6723 (override_options): Use properlimits for preferred_stack_boundary.
6724 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6726 (ext_register_operand): Accept DImode.
6727 (load_pic_register): Abort on 64bit.
6728 (gen_push): Use Pmode instead of SImode.
6729 (ix86_save_reg): Pic reg is never used on 64bit.
6730 (ix86_expand_prologue): Likewise.
6731 (ix86_emit_save_regs): Use Pmode instead of SImode.
6732 (legitimate_address_p): Check displacement for 64bit.
6733 (print_operand): Avoid outputting of (%rip) on 64bit.
6734 (print_operand_address): Output (%rip) where possible.
6735 (split_di): Abort on 64bit registers.
6736 (ix86_expand_branch): DImode comparison is simple for x86_64.
6737 (memory_address_length): Recognize memory addresses formed using
6739 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6741 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6743 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6745 * recog.c (push_operand): Recognize new format of push instructions.
6747 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6749 * i386.md (pushqi1): New.
6750 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6751 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6752 x86_64_immediate_operand, x86_64_immediate_operand,
6753 x86_64_zext_immediate_operand): Declare.
6754 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6755 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6756 x86_64_immediate_operand, x86_64_immediate_operand,
6757 x86_64_zext_immediate_operand): define.
6758 * i386.h (PREDICATE_CODES): Add new predicates.
6760 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6762 * i386.md (pophi1, popqi1, pushqi1): Remove.
6764 * expr.c (emit_single_push_insn): New function.
6765 (move_by_pieces): Accept NULL as destination for push instructions.
6766 (gen_push_operand): Kill.
6767 (emit_push_insn): Pass NULL when pushing; avoid updating of
6768 stack_pointer_delta.
6769 * expr.h (gen_push_operand): Kill.
6771 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6773 * rtl.texi (COMPARE): Clarify documentation and reference section
6776 2001-03-20 Stan Shebs <shebs@apple.com>
6778 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6779 (get_object_reference): Ditto.
6780 (error_with_ivar): Use error_with_file_and_line.
6781 (warn_with_method): Use warning_with_file_and_line.
6783 2001-03-20 Tom Tromey <tromey@redhat.com>
6785 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6787 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6789 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6790 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6792 2001-03-20 DJ Delorie <dj@redhat.com>
6794 * Makefile.in (install-libgcc): Pass complete list of variables.
6795 (install-multilib): Ditto.
6797 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6799 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6800 drectve_section, switch_to_section.
6802 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6803 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6804 i386_pe_mark_dllimport.
6806 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6808 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6809 functions i386_pe_*.
6811 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6812 i386_pe_* functions with char * arguments.
6814 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6816 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6818 (movsi_ie): Introduce fpul store.
6820 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6822 * Makefile.in (OBJS): Remove hashtab.o.
6824 2001-03-19 Stan Shebs <shebs@apple.com>
6826 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6827 * c-lang.c (maybe_objc_method_name): Ditto.
6828 * c-tree.h (maybe_objc_method_name): Remove decl.
6830 2001-03-19 Tom Tromey <tromey@redhat.com>
6832 * gcc.c (init_gcc_specs): Fix comment.
6834 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6836 Compute DECL_ASSEMBLER_NAME lazily.
6837 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6838 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6839 (SET_DECL_ASSEMBLER_NAME): Likewise.
6840 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6841 (set_decl_assembler_name): Declare.
6842 (lang_set_decl_assembler_name): Likewise.
6843 * tree.c (lang_set_decl_assembler_name): New variab.e
6844 (set_decl_assembler_name): New function.
6845 (init_obstacks): Set lang_set_decl_assembler_name.
6846 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6847 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6848 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6849 where it's not necessary.
6850 (builtin_function): Likewise.
6851 (finish_decl): Likewise.
6852 * dbxout.c (dbxout_type_methods): Likewise.
6853 * ggc-common.c (ggc_mark_trees): Likewise.
6854 * profile.c (output_func_start_profiler): Likewise.
6855 * varasm.c (make_decl_rtl): Likewise.
6857 * cse.c (find_comparison_args): Update documentation. Fix
6858 mishandling of COMPARE operations.
6860 * tree.def (ABS_EXPR): Add documentation.
6861 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6863 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6865 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6867 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6869 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6870 Remove ia32 linux PIC kludge and move it...
6871 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6873 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6875 * i386.md (absdf2 expander): Fix 64bit case.
6877 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6879 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6881 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6883 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6885 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6887 * README.X11: Remove obsolete file.
6889 2001-03-18 Anthony Green <green@redhat.com>
6891 * config/pj/pj.h: Remove some trailing commas.
6892 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6894 2001-03-18 Richard Henderson <rth@redhat.com>
6896 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6897 * calls.c: ... here.
6898 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6899 defaults for them here.
6901 2001-03-17 Anthony Green <green@redhat.com>
6903 * config/pj/lib1funcs.S: Fix broken comment.
6904 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6907 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6909 * gcc.texi: Remove obsolete information relating to build and
6910 installation problems with enquire or the Pyramid C compiler.
6912 2001-03-17 Richard Henderson <rth@redhat.com>
6914 * dwarf2out.c (queue_reg_save): New.
6915 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6916 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6918 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6919 (cfa, cfa_store, cfa_temp): Make static.
6920 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6922 2001-03-17 Richard Henderson <rth@redhat.com>
6924 * integrate.h (struct inline_remap): Add local_return_label.
6925 * integrate.c (expand_inline_function): Initialize it and emit
6926 it after copy_insn_notes.
6927 (copy_insn_list): Don't store local_return_label here.
6928 (copy_insn_notes): New function split out from copy_insn_list.
6930 2001-03-17 Richard Henderson <rth@redhat.com>
6932 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6933 is generating .debug_line.
6934 (dwarf2out_init): Add main_input_filename to the file table first.
6935 * configure.in (as_dwarf2_debug_line): Test with file number 1
6936 instead of file number 0.
6938 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6940 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6941 (gen_rtx_combine): Deleted; all references changed as appropriate.
6942 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6944 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6946 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6948 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6951 2001-03-16 Jim Wilson <wilson@redhat.com>
6953 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6954 then set it to LOC_REG (79) instead of aborting.
6956 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6958 * gccbug.in: Remove high priority.
6960 2001-03-16 Richard Henerson <rth@redhat.com>
6962 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6963 output with a space instead of deleting it.
6964 * configure: Regenerate.
6966 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6968 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6969 handles the gory details of converting an object file into
6970 something that's safe to grep.
6971 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6972 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6973 newlines at either end of the string we're looking for.
6974 Make 'checking ...' message less stilted.
6975 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6976 ARM in-memory layout and its hypothetical converse. Don't
6977 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6978 HOST_WORDS_BIG_ENDIAN.
6980 * configure.in: Adjust for renamed macro. Move
6981 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6982 * configure, config.in: Regenerate.
6984 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6986 * fixinc/Makefile.in: Set SHELL.
6988 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6990 * fixinc/fixincl.c (fix_with_system): Quote file names before
6991 passing them to shell.
6993 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6995 * Makefile.in: Use fix-header$(build_exeext) instead
6998 2001-03-16 Richard Henderson <rth@redhat.com>
7000 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7001 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7002 (size_of_line_prolog): Remove.
7003 (output_line_info): Compute prologue size via label difference.
7004 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7006 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7007 assembler error when redefining file numbers.
7008 * config.in, configure: Rebuild.
7010 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7011 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7012 (dw2_asm_output_delta_uleb128): Likewise.
7013 (dw2_asm_output_delta_sleb128): Similarly.
7014 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7016 2001-03-16 Michael Meissner <meissner@redhat.com>
7018 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7020 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7022 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7024 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7025 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7026 being unsigned in ISO C and signed in traditional.
7027 (expand_prologue): Ditto.
7028 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7030 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7032 (divsi3,divdi3): Ditto.
7033 (modsi3,moddi3): Ditto.
7034 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7035 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7036 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7039 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7041 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7042 SSE based conditional moves on LTGT/UNEQ conditions;
7043 Canonicalize EQ to NE.
7044 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7045 (sse_mov?fcc_ne): New.
7047 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7049 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7051 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7052 register may be dead.
7054 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7056 * Makefile.in (hash.o): Depend on CONFIG_H.
7058 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7060 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7062 2001-03-15 Richard Henderson <rth@redhat.com>
7064 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7065 (ASM_OUTPUT_DWARF_PCREL): New.
7066 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7068 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7070 * cppfiles.c (stack_include_file): Use MAX of sysp.
7072 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7074 * config.gcc (ia64*-*-hpux*): New case.
7075 * config/ia64/hpux.h: New file for HP-UX support.
7076 * config/ia64/t-hpux: New file for HP-UX support.
7078 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7080 * fixinc/inclhack.def (irix_stdio_va_list): New.
7081 * fixinc/fixincl.x: Rebuilt.
7083 2001-03-15 Richard Henderson <rth@redhat.com>
7085 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7086 if provided by the target.
7087 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7088 (dw2_asm_output_addr): New.
7089 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7090 * dwarf2out.c (output_cfi): Use it for program addresses.
7091 (output_call_frame_info, output_die): Likewise.
7092 (output_aranges, output_line_info): Likewise.
7094 2001-03-15 Bruce Korb <bkorb@gnu.org>
7096 * gcc.c(main): make more rigorous
7097 * collect2.c(main): guard against ignoring SIGCHLD
7098 * protoize.c(main): ditto
7099 * gcc/fixinc/fixincl.c(initialize): ditto
7101 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7103 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7104 (sdbout_parms): Likewise.
7106 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7108 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7109 "widen" a destination that is already wider than a word. Also do
7110 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7112 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7114 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7116 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7118 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7120 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7122 * i960.h (i960_maxbitalignment,
7123 i960_last_maxbitalignment): Declare.
7124 * i960.c (i960_maxbitalignment,
7125 i960_last_maxbitalignment): Make global.
7126 (process_pragma): Delete.
7127 (i960_pr_align, i960_pr_noalign): Move from here ...
7128 * i960-c.c: ... to this new file.
7129 * t-960bare (i960-c.o): New rule.
7130 * t-vxworks960 (i960-c.o): Likewise.
7131 * config.gcc (i960-*-*): Define c_target_objs and
7134 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7136 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7137 without adding in rtx code and mode.
7139 * alias.c (init_alias_analysis): Don't use any rtx whose value
7140 varies as a known value.
7141 Delete a superfluous test.
7143 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7145 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7146 scheduling a stop bit.
7147 (ia64_emit_nops): Correctly handle ASMs.
7149 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7151 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7153 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7155 * cpp.texi: Update documentation for -include and -imacros.
7156 * cppfiles.c (struct include_file): Remove "defined" memeber.
7157 (find_or_create_entry): Make a copy of the file name, and
7159 (open_file): Update to ensure we use the simplified filename.
7160 (stack_include_file): Don't set search_from.
7161 (cpp_included): Don't simplify the path name here.
7162 (find_include_file): New prototype. Call search_from to
7163 get the start of the "" include chain. Don't simplify the
7165 (_cpp_execute_include): New prototype. Move diagnostics to
7166 do_include_common. Update.
7167 (_cpp_pop_file_buffer): Don't set defined.
7168 (search_from): New prototype. Use the preprocessor's cwd
7169 for files included from the command line.
7170 (read_name_map): Don't simplify the pathname here.
7171 * cpphash.h (enum include_type): New.
7172 (struct buffer): Delete search from. New search_cached.
7173 (_cpp_execute_include): Update prototype.
7174 * cppinit.c (do_includes): Use _cpp_execute_include.
7175 * cpplib.c (do_include_common): New function.
7176 (do_include, do_include_next, do_import): Use it.
7178 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7180 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7181 contents of the RTL, to determine the name of the object.
7183 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7185 * tree.h (DECL_RTL): Allocate RTL lazily.
7186 (SET_DECL_RTL): New macro.
7187 (DECL_RTL_SET_P): Likewise.
7188 (COPY_DECL_RTL): Likewise.
7189 (DECL_RTL_IF_SET): Likewise.
7190 * varasm.c (make_decl_rtl): Add assertions about the kind of
7191 declaration we are processing.
7192 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7193 (start_decl): Likewise.
7194 (finish_decl): Likewise.
7195 * c-semantics.c (emit_local_var): Likewise.
7196 * calls.c (expand_call): Likewise.
7197 * dbxout.c (dbxout_symbol): Likewise.
7198 * emit-rtl.c (unshare_all_rtl): Likewise.
7199 (unshare_all_decls): Likewise.
7200 (reset_used_decls): Likewise.
7201 * expr.c (store_constructor): Likewise.
7202 (safe_from_p): Likewise.
7203 (expand_expr): Likewise.
7204 * function.c (put_var_into_stack): Likewise.
7205 (instantiate_decls_1): Likewise.
7206 (assign_parms): Likewise.
7207 (expand_function_start): Likewise.
7208 (expand_function_end): Likewise.
7209 * ggc-common.c (gcc_mark_trees): Likewise.
7210 * integrate.c (function_cannot_inline_p): Likewise.
7211 (copy_decl_for_inlining): Likewise.
7212 (expand_inline_function): Likewise.
7213 (integrate_parm_decls): Likewise.
7214 (integrate_decl_tree): Likewise.
7215 * print-tree.c (print_node): Likewise.
7216 * reg-stack.c (stack_result): Likewise.
7217 * stmt.c (label_rtx): Likewise.
7218 (expand_return): Likewise.
7219 (expand_decl): Likewise.
7220 (expand_decl_cleanup): Likewise.
7221 (expand_anon_union_decl): Likewise.
7222 * toplev.c (check_global_declarations): Likewise.
7223 (rest_of_decl_compilation): Likewise.
7224 * tree.c (simple_cst_equal): Likewise.
7225 * objc/objc-act.c (generate_static_references): Likewise.
7227 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7229 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7230 gcc_AC_C_FLOAT_FORMAT): New macros.
7231 * configure.in: Add AC_PROG_CPP after CC tests;
7232 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7233 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7234 * configure, config.in: Regenerate.
7236 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7237 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7238 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7239 config/i370/xm-linux.h, config/i370/xm-oe.h,
7240 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7241 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7242 config/pa/xm-linux.h, config/pa/xm-pa.h,
7243 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7244 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7245 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7246 config/we32k/xm-we32k.h: Delete.
7248 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7249 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7250 config/vax/xm-vms.h: Don't define any of:
7251 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7253 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7255 * config.gcc: Remove references to deleted files.
7256 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7257 FATAL_EXIT_CODE, which is the same between oe and mvs).
7259 2001-03-14 DJ Delorie <dj@redhat.com>
7260 Vladimir Makarov <vmakarov@redhat.com>
7262 * config/i960/i960.c (i960_function_prologue): Compute size of
7263 frame according to number of registers actually saved there.
7265 2001-03-14 Richard Henderson <rth@redhat.com>
7267 * expr.c (emit_move_insn_1): Fix else if around #endif.
7269 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7272 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7275 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7277 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7278 (override_options): Parse cmodel string.
7279 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7280 * i386.h (TARGET_OPTIONS): Add "cmodel".
7281 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7283 (ix86_cmodel_string, ix86_cmodel): Declare.
7285 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7288 * i386.h (GENERAL_REG_P): Add missing REG_P.
7290 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7292 * configure.in: Use $gcc_cv_as instead of $as.
7293 * configure: Regenerated.
7295 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7297 * cppfiles.c (stack_include_file): Only increase the include
7298 count if we actually process the file properly, as opposed
7299 to treating it as length zero. Only call read_include_file
7300 if not DO_NOT_REREAD. Handle the -H include file output
7302 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7303 (cpp_included, find_include_file): Simplify pathnames after
7304 remapping them. If remapping, don't use the remapped file
7305 name's buffer as our scratch buffer.
7306 (cpp_pop_file_buffer): Replace the multiple include macro
7307 only if it isn't yet set.
7308 (read_name_map): Simplify remapped names when reading in.
7309 (remap_filename): Move code to code path that uses it.
7310 (_cpp_simplify_pathname): Return the input pointer.
7311 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7313 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7315 * expr.c (expand_expr): Revove bogus conditional.
7317 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7319 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7321 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7323 * reg-stack.c (stack_result): Unconditionally use
7324 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7326 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7328 * expr.c (emit_move_insn_1): Split push of complex value when
7329 no suitable push instruction exist.
7331 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7332 instead of QI_REG_P.
7334 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7336 * alias.c (handled_component_p, can_address_p): New functions.
7337 (get_alias_set): Use them.
7339 2001-03-13 Jim Wilson <wilson@redhat.com>
7341 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7342 from 80 in try_locals code.
7343 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7345 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7347 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7348 gcc_AC_C_LONG_LONG): New.
7349 * configure.in: Use them. Probe the size of short, int, long,
7350 and long long/__int64 if we have them. Move all the AC_C_*
7351 checks together, except gcc_AC_C_CHAR_BIT which has to go
7352 after AC_CHECK_HEADERS(limits.h).
7353 Take hwint.h out of host_xm_file and build_xm_file.
7355 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7356 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7357 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7358 Move the HOST_WIDEST_INT setup logic here from system.h.
7359 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7361 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7362 is now handled by hwint.h.
7364 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7365 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7366 config/ia64/xm-ia64.h: Don't define any of:
7367 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7368 HOST_BITS_PER_LONGLONG.
7370 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7371 config/h8300/xm-h8300.h, config/mips/iris6.h,
7372 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7373 config/sparc/xm-sp64.h: Delete.
7374 * config.gcc: Remove references to deleted files.
7376 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7377 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7378 * config/i370/xm-linux.h: Clarify floating-point situation in
7381 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7383 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7384 (find_include_file): Decide here which part of the include
7385 chain to start the search. Complain about an empty include
7386 chain in all cases apart from an abolsute file name.
7387 (_cpp_execute_include): Don't choose the search chain here.
7388 Don't call handle_missing_include in the case of an empty
7390 (_cpp_compare_file_date): Don't choose the search chain here.
7391 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7392 here from _cpp_execute_include. Behave like #include if
7393 we're in the main file.
7395 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7397 * system.h (malloc, realloc, calloc, strdup): Only poison these
7398 tokens when IN_GCC is defined.
7400 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7402 * i386.md (abs?f expander): Support SSE case.
7403 (abd?f_if): Add new "USE"; add splitters.
7405 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7407 * cpp.texi (poison): Explain the macro expansion exception.
7409 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7411 * expr.c (store_expr): Add dont_store_target. If temp is already in
7412 target before copying to reg, don't store it into target again.
7414 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7416 * cppinternals.texi: Update for file handling.
7418 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7420 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7421 2001-02-24 which broke building the Java library.
7422 * function.c (identify_blocks): Likewise.
7423 (all_blocks): Likewise.
7424 * integrate.c (integrate_decl_tree): Likewise.
7425 * print-tree.c (print_node): Likewise.
7426 * tree.h (BLOCK_NUMBER): Likewise.
7427 (struct tree_block): Likewise.
7429 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7431 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7432 __WCHAR_TYPE__ definition.
7433 (WCHAR_TYPE_SIZE): #undef before #define.
7435 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7437 * cppfiles.c: Update comments.
7438 (destroy_include_file_node): Rename destroy_node.
7439 (find_or_create_entry): New function.
7440 (open_file, _cpp_fake_include): Use it.
7441 (handle_missing_header): New function, broken out of
7442 _cpp_execute include. Don't segfault if there is no
7443 system or quoted path.
7444 (_cpp_execute_include): Use handle_missing_header.
7446 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7448 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7449 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7451 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7453 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7454 unless anti_dependence says they are.
7455 * alias.c (objects_must_conflict): If neither has a type specified,
7458 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7459 David Billinghurst <David.Billinghurst@riotinto.com>
7461 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7463 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7465 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7466 (*_one_bit): Remove type on the match_operand in attributes.
7468 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7470 * i386.c: Commit forgotten hunk in previous patch.
7471 (regclass_map): Add extended registers.
7472 (dbx_register_map): Add missing frame register.
7474 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7476 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7478 * i386.md (x86_sahf_1): Disable for 64bit.
7479 (popsi*, pophi*): Likewise.
7480 (pushqi, pushhi): Likewise.
7481 (movdi, pushdi): Likewise.
7482 (zero extend DImode splitter): Likewise.
7483 (adddi, minusdi splitter): Likewise.
7484 (umulsidi): Likewise.
7486 (mulsidi): Disable for 64bit
7487 (lshift:DI/ashift:DI): Disable for 64bit.
7488 (loop patterns): Likewise.
7489 (call_pop, call_value_pop expanders and patterns): Likewise.
7490 (prologue_get_pc): Likewise.
7492 (fcmovDI pattern and splitter): Likewise.
7493 (movdfcc_1_rex64): New.
7495 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7497 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7498 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7499 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7500 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7501 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7502 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7503 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7504 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7505 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7506 (REGPARM_MAX): Set to 6 for x86_64.
7507 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7508 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7511 * (patterns that does use upper halves): Update constraints
7512 'q' to 'Q' and 'r' to 'R'.
7513 (cmpqi_ext_1): Disable for 64bit.
7514 (cmpqi_ext_3_insn): Likewise.
7515 (movqi_extzv_1): Likewsie.
7516 (addqi_ext_1): Liekwsie
7517 (testqi_ext_1): Liekwsie
7518 (andqi_ext_1): Liekwsie
7519 (xorqi_ext_1): Liekwsie
7520 (cmpqi_ext_1_rex64): New.
7521 (cmpqi_ext_3_insn_rex64): Likewise.
7522 (movqi_extzv_1_rex64): Likewsie.
7523 (addqi_ext_1_rex64): Liekwsie
7524 (testqi_ext_1_rex64): Liekwsie
7525 (andqi_ext_1_rex64): Liekwsie
7526 (xorqi_ext_1_rex64): Liekwsie
7528 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7530 * configure.in: Move check for unsigned enumerated bitfields
7531 to macro in aclocal.m4. Disable it for now.
7532 * configure, config.in: Regenerate.
7533 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7534 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7535 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7536 kind above its first use.
7538 * config/xm-interix.h, config/alpha/xm-alpha.h,
7539 config/i370/xm-linux.h, config/i386/xm-beos.h,
7540 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7541 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7542 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7543 Don't define ONLY_INT_FIELDS under any circumstances.
7545 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7547 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7548 config/sparc/xm-sysv4.h: Delete - now identical with some
7550 * config.gcc (hppa targets): Replace xm-pahpux.h and
7551 xm-papro.h with implicit xm-pa.h.
7552 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7555 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7557 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7558 before reload_cse_noop_set_p.
7560 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7562 * config.gcc: Where xm-host.h used to include another
7563 xm-host.h, list the nested header directly in xm_file. Remove
7564 references to deleted files. Can now use sparc/xm-sp64.h for
7567 * config/xm-linux.h, config/arm/xm-linux.h,
7568 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7569 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7570 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7571 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7572 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7575 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7576 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7577 bother to wrap #undef in #ifdef.
7578 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7579 Don't include xm-linux.h.
7580 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7582 * configure.in: Wrap regexps using [] in changequote block.
7583 Use expr : not echo | grep. Simplify regexps.
7584 * configure: Regenerate.
7586 56 xm-files remain, 22 xm-arch.
7588 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7590 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7591 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7592 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7593 (copy_object): Fix format specifier vs argument mismatch.
7595 * mips-tdump.c: Make local functions static.
7596 (rindex): Don't #undef.
7597 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7598 (fatal, fancy_abort): Delete.
7599 (read_seek): Avoid signed/unsigned compare.
7601 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7603 * combine.c (try_combine): Fix error in change to try original
7605 (gen_rtx_combine): Do same as gen_rtx for now.
7607 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7609 * configure.in: AC_SUBST xm_defines.
7610 * configure: Regenerate.
7611 * Makefile.in: Set DEFINES=$(xm_defines) when building
7614 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7616 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7617 (cpp_included, find_include_file): Update.
7618 (_cpp_compare_file_date): Make else unconditional.
7620 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7622 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7624 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7626 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7627 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7629 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7631 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7632 if it's a record type.
7634 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7636 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7637 mingw includes slightly.
7639 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7641 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7642 #undef token before poisoning it.
7644 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7646 * alpha.c (check_float_value): Use memcpy, not bcopy.
7648 * m32r.c (m32r_sched_reorder): Likewise.
7650 * vax.c (check_float_value): Likewise.
7652 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7654 * toplev.c (file_name_nondirectory): Remove.
7655 * toplev.h: Similarly.
7656 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7657 of file_name_nondirectory.
7659 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7661 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7662 * mips-tfile.c: Don't #undef rindex; not used.
7664 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7666 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7667 (dbx64_register_map): Declare.
7668 (RETURN_ADDR_RTX): Fix for 64bit.
7669 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7670 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7671 * i386.c (dbx64_register_map): New global array.
7672 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7673 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7676 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7678 * cppfiles.c (search_from): Use lbasename.
7679 * mkdeps.c (deps_add_default_target): Use lbasename.
7681 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7683 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7684 xcalloc in lieu of malloc, realloc & calloc.
7686 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7688 * gengenrtl.c (xmalloc): Likewise.
7690 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7691 really_call_* memory allocation routines.
7693 * stmt.c (check_for_full_enumeration_handling): Use
7694 really_call_calloc, not calloc.
7696 * system.h (really_call_malloc, really_call_calloc,
7697 really_call_realloc): Define.
7698 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7700 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7702 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7704 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7706 * configure: Rebuilt.
7707 * configure.in: Only use `lang_requires' for languages athat are
7710 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7712 * invoke.texi: Fix typo.
7713 * gcc.1: Regenerate.
7715 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7717 * configure.in: Prune nonexistent files from build_xm_file,
7718 xm_file, and host_xm_file lists. Warn unless they're
7720 Don't generate *config.h here.
7721 AC_SUBST all variables needed to generate *config.h.
7722 * configure: Regenerate.
7723 * mkconfig.sh: New helper script, from code removed from
7725 * Makefile.in: Zap all MALLOC variables - no longer used
7726 anywhere, and malloc.c doesn't exist.
7727 Substitute in variables needed to generate *config.h.
7728 Stop lying about the dependencies contained in CONFIG_H and
7730 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7731 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7732 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7733 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7734 $(TM_P_H), etc. as appropriate.
7736 * config.gcc: Zap references to deleted files.
7737 * ggc-none.c: Don't include rtl.h or tm_p.h.
7739 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7740 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7741 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7742 config/i386/xm-linux.h, config/i386/xm-linux.h,
7743 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7744 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7745 Don't include i386/xm-i386.h.
7747 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7748 config/i386/xm-i386.h, config/i860/xm-i860.h,
7749 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7750 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7751 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7752 Delete (empty except comments, #includes of other deleted
7753 files, and macros used nowhere).
7755 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7757 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7758 independent on TARGET_FLAGS.
7760 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7762 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7764 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7766 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7768 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7769 LAST_REX_SSE_REG): define.
7770 (enum reg_class): Add 'LEGACY_REGS'
7771 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7772 (SSE_REGNO_P): Recognize extended registers.
7773 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7774 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7775 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7776 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7777 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7778 REG_OK_FOR_STRREG_P): Remove.
7779 (HI_REGISTER_NAMES): Add extended registers.
7780 (ADDITIONAL_REGISTER_NAMES): Likewise.
7781 (QI_REGISTER_NAMES): Add 8bit extended registers.
7782 (DEBUG_REG): Support extended registers.
7783 * i386.c (regclass_map): Add extended registers.
7784 (dbx_register-map): Likewise.
7785 (svr4_dbx_register_map): Likewise.
7786 (print_reg): Support extended registers.
7787 (print_operand): Support 64bit operands.
7789 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7791 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7792 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7793 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7794 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7795 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7796 STACK_BOUNDARY): Set properly for 64bits.
7797 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7798 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7799 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7800 (MOVE_MAX): Set to 16.
7801 (MOVE_MAX_PIECES): 8 for 64bit.
7802 (Pmode): Set to SImode.
7804 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7806 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7808 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7810 * i386.h (mask_64bit): New constant.
7811 (target_64bit): New macro.
7812 (target_options): Add '64'/'32'
7813 (target_default): Define.
7814 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7815 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7816 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7818 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7820 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7822 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7824 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7825 LO_SUM unless for_alias is set.
7827 2001-03-08 Stan Shebs <shebs@apple.com>
7829 * objc/objc-act.c: Fix old typos in comments, add comments for
7831 (hash_init): Fix file name in error message.
7832 (hash_enter): Ditto.
7833 (hash_add_attr): Ditto.
7834 (continue_class): Ditto.
7836 2001-03-08 Bruce Korb <bkorb@gnu.org>
7838 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7839 wait4() can receive the signal.
7841 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7843 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7845 * fixinc/fixincl.x: Regenerate.
7847 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7849 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7851 * fixinc/fixincl.x: Regenerate.
7853 2001-03-08 Richard Henderson <rth@redhat.com>
7855 * configure.in (HAVE_AS_LEB128): New assembler check.
7856 * configure, config.in: Rebuilt.
7858 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7860 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7863 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7865 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7866 references to the MAXPATHLEN macro.
7868 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7869 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7872 * config/i386/xm-gnu.h, config/xm-gnu.h,
7873 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7874 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7875 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7876 and/or unused files.
7878 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7879 doing so in various xm-*.h files.
7881 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7883 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7885 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7887 * configure.in (enable_shared): Support per-package shared-library
7889 * configure: Rebuilt.
7891 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7893 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7894 for crnot. Set operands[5] in splitter.
7896 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7898 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7899 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7900 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7901 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7902 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7903 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7904 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7907 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7908 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7909 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7910 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7911 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7912 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7913 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7914 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7915 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7916 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7917 Delete unused and/or empty files.
7919 * config.gcc: Define USG in xm_defines as appropriate. Define
7920 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7921 macro. Remove deleted xm-* files from $xm_files variable.
7923 2001-03-07 Tom Tromey <tromey@redhat.com>
7925 * configure: Rebuilt.
7926 * configure.in: Allow config-lang.in to set `lang_requires' to list
7927 of other required languages.
7929 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7931 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7933 (output_prologue): Use xmalloc not oballoc.
7934 (output_epilog): Free a29k_first_epilogue_insn when finished.
7935 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7937 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7939 * builtins.c (expand_builtin_mathfn): Check
7940 flag_unsafe_math_optimizations, not flag_fast_math.
7941 (expand_builtin): Likewise
7942 * combine.c (combine_simplify_rtx): Likewise.
7943 (simplify_if_then_else): Likewise.
7944 * cse.c (fold_rtx): Likewise.
7945 * flags.h: Remove flag_fast_math. Add
7946 flag_unsafe_math_optimizations and flag_trapping_math.
7947 * fold-const.c (negate_expr): Check
7948 flag_unsafe_math_optimizations, not flag_fast_math.
7949 (invert_truthvalue): Likewise.
7950 (fold): Likewise. Before associating operands, check that
7951 code == MULT_EXPR, not code != MULT_EXPR.
7952 * ifcvt.c (noce_try_minmax): Check
7953 flag_unsafe_math_optimizations, not flag_fast_math.
7954 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7955 * invoke.texi: Document -funsafe-math-optimizations and
7956 -fno-trapping-math. Change documentation for -ffast-math.
7957 * jump.c (reversed_comparison_code_parts): Likewise.
7958 (rtx_equal_for_thread_p): Likewise.
7959 * optabs.c (emit_conditional_move): Likewise.
7960 * simplify-rtx.c (simplify_binary_operation): Likewise.
7961 (simplify_relational_operation): Likewise.
7962 (simplify_ternary_operation): Likewise.
7963 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7964 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7965 Add trapping-math and unsafe-math-optimizations entries to f_options.
7966 (set_fast_math_flags): New, sets flags for -ffast-math.
7967 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7968 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7969 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7971 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7972 (alpha_emit_conditional_move): Initialize local_fast_math to
7973 flag_unsafe_math_optimizations, not flat_fast_math.
7974 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7975 instead of setting flag_fast_math to 1.
7976 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7978 * config/i386/i386.c (override_options): Likewise
7979 * config/i386/i386.md: Likewise.
7980 * config/m68k/m68k.md: Likewise.
7981 * config/mips/mips.md: Likewise.
7982 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7983 (rs6000_generate_compare): Likewise.
7985 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7987 * Makefile.in: Set RANLIB to @RANLIB@.
7990 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7992 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7993 * fixinc/fixincl.x: Regenerated.
7995 2001-03-07 Richard Henderson <rth@redhat.com>
7997 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7999 2001-03-07 Richard Henderson <rth@redhat.com>
8001 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8002 of block notes and exception handling notes.
8004 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8005 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8006 (compile_file): ... here.
8008 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8010 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8012 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8013 config.h now. Include libiberty.h to handle alloca.
8015 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8017 * c-parse.in (yylexname): New function, split out of _yylex.
8018 (objc_rid_sans_at): New table.
8019 (init_reswords): Initialize it.
8020 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8021 retrieving the next token and checking it for significance as
8022 an ObjC keyword or string constant.
8024 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8025 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8027 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8030 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8032 * config/m68k/m68k.c (const_uint32_operand): Accept any
8033 const_int on a 32-bit host.
8035 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8037 * objc/objc-act.c (init_objc): Set save_lang_status,
8038 restore_lang_status, and mark_lang_status.
8040 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8042 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8044 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8046 * cppinternals.texi: Update.
8048 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8050 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8051 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8052 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8053 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8054 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8055 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8056 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8057 config/i386/xm-i386.h, config/i860/xm-i860.h,
8058 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8059 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8060 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8061 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8062 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8063 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8064 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8065 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8066 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8067 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8068 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8069 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8070 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8071 match the defaults provided in hwint.h.
8073 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8074 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8076 * config.gcc (xm_file): Don't set to files which are deleted.
8078 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8079 guard this file against these macros being undefined.
8081 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8083 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8084 and DECL_DEFER_OUTPUT on the decl we create, before calling
8085 rest_of_decl_compilation.
8087 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8089 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8091 * configure, config.in: Regenerate.
8092 * config.gcc: Remove references to deleted files.
8094 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8095 genrecog.c, rtl.c: Do not use alloca anywhere.
8097 * Makefile.in, build-make, system.h, config/x-interix,
8098 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8099 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8100 config/arc/xm-arc.h, config/arm/xm-arm.h,
8101 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8102 config/h8300/xm-h8300.h, config/i370/x-oe,
8103 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8104 config/i386/x-ncr3000, config/i386/x-sco5,
8105 config/i386/xm-dgux.h, config/i860/x-sysv4,
8106 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8107 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8108 config/m68k/x-hp320g, config/m69k/x-mot3300,
8109 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8110 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8111 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8112 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8113 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8114 config/mips/x-iris, config/mips/x-iris3,
8115 config/mips/x-sni-svr4, config/mips/x-sysv,
8116 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8117 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8118 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8119 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8120 config/pa/xm-papro.h, config/romp/xm-romp.h,
8121 config/rs6000/x-aix31, config/rs6000/x-aix41,
8122 config/rs6000/x-beos, config/rs6000/x-lynx,
8123 config/rs6000/x-mach, config/rs6000/x-rs6000,
8124 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8125 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8126 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8127 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8128 config/vax/xm-vms.h: Eradicate all references to alloca and
8131 * config/xm-alloca.h, config/clipper/x-clix,
8132 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8133 config/i860/x-sysv3, config/m88k/x-sysv3,
8134 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8135 (contained only alloca related hacks).
8137 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8140 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8142 * invoke.texi: Document __FAST_MATH__.
8144 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8146 * crtstuff.c: Restore include of auto-host.h.
8148 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8150 Put main() in a separate file, so that the language
8151 front-end can use a different main().
8154 * toplev.c: (main): Rename as toplev_main.
8155 * toplev.h: Declare toplev_main.
8156 * Makefile.in (OBJS): add toplev.o.
8157 (BACKEND): remove toplev.o, add main.o.
8159 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8161 * cppfiles.c (search_from): Special case the empty string.
8163 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8165 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8166 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8167 strlen or strcpy; we already know the length.
8168 (_cpp_compare_file_date): Similarly.
8169 * cpphash.h (struct cpp_reader): Delete done_initialising.
8170 (CPP_PREV_BUFFER): Delete.
8171 * cppinit.c (cpp_start_read): Don't set done_initialising.
8172 * cpplex.c (parse_string): Guarantee null-termination.
8173 (_cpp_equiv_toklists): Remove.
8174 * cpplib.c (glue_header_name): Null-terminate.
8175 (do_line): Don't leak memory.
8176 * cpplib.h (BT_WEAK): Delete.
8177 * cppmain.c (cb_ident): Strings are now null-terminated.
8179 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8181 * gcc.c (convert_filename): Append executable suffix
8182 if NO_AUTO_EXE_SUFFIX is not defined.
8183 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8184 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8186 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8188 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8189 * c-parse.gperf, c-gperf.h: Delete.
8190 (c-gperf.h was accidently re-added to the CVS repo in the rev
8191 1.16 commit by tromey)
8193 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8195 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8196 macro arguments when looking for the '('.
8197 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8198 2 when really parsing arguments; 1 when looking for '('.
8199 Always restore the lexer position.
8201 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8203 * longlong.h (umul_ppmm): Don't use a multiline string.
8205 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8207 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8208 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8209 t_bool in declaration because pcc can't combine volatile with typedef
8212 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8214 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8215 until when it is really needed.
8216 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8217 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8218 * i386.md (float?i?f splitter): Don't force source operand to memory
8220 (sse_movdfcc): Fix constraint.
8221 (sse_movdfcc splitter): Handle properly the second alternative.
8223 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8225 * cpplex.c (parse_string): Unconditionally pedwarn.
8227 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8230 * cppexp.c (parse_number): Update.
8231 * cpplex.c (parse_string): Pedwarn if multiline string does not
8232 result from a system header's macro.
8233 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8234 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8235 for function-like macros too.
8236 * c-lex.c (lex_number): Update.
8238 2001-03-03 Richard Henderson <rth@redhat.com>
8240 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8242 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8244 * combine.c (try_combine): If split with mode-changed scratch
8245 register didn't work, try the original mode.
8247 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8249 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8250 * config/c4x/c4x.h: Likewise.
8251 * stor-layout.c (compute_record_mode): Likewise.
8252 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8254 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8256 * configure.in: Kill tm.h. Include the files in the $tm_file
8257 list in all three of config.h, hconfig.h, tconfig.h, after the
8258 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8259 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8260 * configure: Regenerate.
8261 * Makefile.in (clean): Don't delete tm.h.
8263 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8264 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8265 those are not defined, set SEC and FEC to 0 and 1.
8266 * gcc.texi: Update to match.
8268 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8269 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8270 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8271 Include tconfig.h, not tm.h.
8273 * config/xm-lynx.h, config/xm-std32.h,
8274 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8275 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8276 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8277 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8278 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8279 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8280 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8281 config/i386/xm-i386.h, config/i860/xm-i860.h,
8282 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8283 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8284 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8285 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8286 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8287 config/pa/xm-linux.h, config/pa/xm-pa.h,
8288 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8289 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8290 config/pj/xm-pj.h, config/romp/xm-romp.h,
8291 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8292 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8293 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8294 config/v850/xm-v850.h, config/vax/xm-vax.h,
8295 config/we32k/xm-we32k.h:
8297 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8299 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8300 config/i370/xm-oe.h: Don't include tm.h. Don't define
8302 * config/vax/xm-vms.h: Don't include tm.h.
8304 * config/xm-lynx.h, config/avr/xm-avr.h,
8305 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8306 Delete; made empty by above changes.
8307 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8308 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8309 Don't include config/xm-lynx.h or tm.h.
8311 * config/xm-gnu.h: Don't include fcntl.h.
8312 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8314 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8316 2001-03-02 Richard Henderson <rth@redhat.com>
8318 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8319 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8321 2001-03-02 Richard Henderson <rth@redhat.com>
8323 * Makefile.in (OBJS): Add dwarf2asm.o.
8324 * dwarf2asm.c, dwarf2asm.h: New files.
8325 * dwarf2out.c (*): Use them.
8326 (size_of_uleb128, size_of_sleb128): Remove.
8327 (output_uleb128, output_sleb128): Remove.
8328 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8329 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8330 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8331 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8332 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8333 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8334 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8335 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8336 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8337 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8338 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8339 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8340 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8341 (dwarf2out_frame_debug): Remove unused variables.
8342 (output_loc_operands): Don't abort on 8 byte constants if
8343 host integers are wide enough.
8344 (output_symbolic_ref): Remove.
8345 (size_of_die): Don't assume 4 byte host integers.
8346 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8348 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8349 something stupid with HOST_WIDE_INT to long truncation.
8350 [CONST_DOUBLE]: Likewise.
8352 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8353 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8354 * config/arm/unknown-elf.h: Likewise.
8355 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8356 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8357 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8358 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8359 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8360 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8361 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8362 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8363 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8364 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8365 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8366 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8368 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8370 * cselib.c (hash_rtx): Cast enums to unsigned int.
8372 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8374 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8375 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8377 * c-format.c (C_STD_VER): Cast to int for comparisons.
8378 (check_function_format): Cast various enums to int for &.
8379 (maybe_read_dollar_number): Likewise.
8380 (check_format_info): Likewise.
8381 (check_format_info_main): Likewise.
8382 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8383 (safe_from_p): Likewise.
8384 * varasm.c (const_hash): Cast enum to int for %.
8385 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8386 pcc enum problems with < and ++ operators.
8387 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8388 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8389 (regclass_init): Change enum class to int to iterate over reg_classes.
8390 * genrecog.c (merge_trees): Cast enums for comparison.
8391 * rtl.h (GET_CODE): Cast to enum rtx_code.
8392 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8393 (GET_MODE): Cast to enum machine_mode.
8394 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8395 (GET_NOTE_INSN_NAME): Cast enum to int.
8396 * tree.h (TREE_CODE): Cast to enum tree_code.
8397 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8398 * timevar.c (timevar_print): Change loop variable id from enum to
8400 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8401 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8402 * toplev.c (compile_file): Cast enum DFI to int.
8403 (decode_d_option): Likewise.
8405 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8407 * cppinit.c (append_include_chain): Mark "after" include file name list
8408 as a system directory.
8409 * cpp.texi: Document new behavior.
8411 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8413 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8415 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8417 * cppfiles.c (struct include_file): Update.
8418 (stack_include_file): Use search_from.
8419 (cpp_included, find_include_file): Update.
8420 (cpp_execute_include): Update. ptr->name may not be
8421 null terminated. Use the new search_from member variable
8423 (_cpp_compare_file_date): Similarly.
8424 (search_from): New function, similiar to actual_directory.
8425 (actual_directory): Delete.
8426 (remap_filename): Update. loc->name may not be null terminated.
8427 (struct file_name_list): Rename search_path. Update.
8428 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8429 search_from and dir.
8430 (struct cpp_reader): Remove actual_dirs.
8431 * cppinit.c (struct cpp_pending): Update for renamed objects.
8432 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8433 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8434 * cpplib.h (struct cpp_options): Similarly.
8436 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8438 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8439 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8440 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8441 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8442 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8443 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8444 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8445 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8446 config/i370/xm-oe.h, config/i386/xm-aix.h,
8447 config/i386/xm-i386.h, config/i386/xm-osf.h,
8448 config/i860/xm-i860.h, config/i960/xm-i960.h,
8449 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8450 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8451 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8452 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8453 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8454 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8455 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8456 config/pj/xm-pj.h, config/romp/xm-romp.h,
8457 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8458 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8459 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8460 config/v850/xm-v850.h, config/vax/xm-vax.h,
8461 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8462 Do not define TRUE or FALSE.
8464 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8465 empty by above change.
8466 * config.gcc: Remove references to these files.
8468 * configure.in: Detect stdbool.h.
8469 * configure, config.in: Regenerate.
8470 * system.h: Include stddef.h here if available.
8471 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8472 Then set up a sensible boolean type at the very end.
8474 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8475 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8477 * hash.h: Delete 'boolean' typedef and related #undefs.
8479 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8480 all uses of 'boolean' with 'bool'.
8482 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8484 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8485 * cppexp.c (lex): Cast enums for comparison.
8486 * cppinit.c (parse_option): Cast enum for comparison.
8487 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8488 (cpp_output_token): Likewise.
8489 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8490 (cpp_avoid_paste): Cast enums for minus and comparison.
8492 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8494 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8495 field to all array elements.
8497 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8499 * cpphash.h (struct cpp_reader): Add print_version field.
8500 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8501 just set print_version and other flags as appropriate.
8502 (cpp_post_options): Print version here if print_version is set.
8504 * toplev.c (exit_after_options): New flag.
8505 (independent_decode_option): Don't exit here; just set
8507 (main): Exit after calling lang_hooks.post_options if
8508 exit_after_options is true.
8510 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8511 (merge_include_chains): Adjust comment to match code.
8513 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8515 * stringpool.c (set_identifier): New function.
8516 * tree.h: Prototype it.
8518 * c-parse.in: Kill D_YES. If compiled for objc, call
8519 save_and_forget_protocol_qualifiers from init_reswords.
8520 * objc/objc-act.c (remember_protocol_qualifiers,
8521 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8522 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8524 (save_and_forget_protocol_qualifiers): New function.
8525 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8527 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8529 * c-semantics.c (prune_unused_decls): Return error_mark_node
8530 instead of (tree) 1 to stop traversing the tree chain.
8532 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8534 Fix a problem introduced by Kenner's Feb 18 change.
8535 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8536 flag_cse_skip_blocks only temporarily, not for ever.
8538 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8540 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8541 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8543 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8544 before determining its register class.
8546 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8548 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8549 from reg 4 if current_function_calls_setjmp.
8550 (gen_nop_type): New function.
8551 (ia64_emit_nops): New function.
8552 (ia64_reorg): Call it.
8553 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8555 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8556 code not to try to optimize adds with anything but a REG destination.
8558 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8559 (INSN_PRIORITY_KNOWN): New accessor macro.
8560 * haifa-sched.c (priority): Use it instead of testing priority against
8563 2001-02-28 DJ Delorie <dj@redhat.com>
8565 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8566 since that doesn't work the way gcc wants on a generic m68k.
8568 2001-02-28 Richard Henderson <rth@redhat.com>
8570 * caller-save.c (save_call_clobbered_regs): Fix typo in
8571 comparison last change.
8573 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8575 * i386.c (pentium4_cost): New.
8576 (m_PENT4): New macro.
8577 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8578 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8579 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8580 x86_memory_mismatch_stall): Add Pentium4
8581 (x86_use_q_reg, x86_use_any_reg): Kill.
8582 (override_options): Add pentium4.
8583 (incdec_operand): Return 0 for pentium4.
8584 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8585 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8586 (TARGET_PENTIUM4): Define.
8587 (enum processor_type): Add PROCESSOR_PENTIUM4.
8588 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8589 * i386.md (attribute "cpu"): Add pentium4.
8590 * invoke.texi (march): Add pentium4.
8592 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8594 * i386.md (sse_mov?fcc*): New patterns and splitters.
8595 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8596 the SSE based conditional moves.
8598 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8600 * i386.md (attribute mode): Add "TI".
8601 (movsf_1): Add pxor support; remove constant propagation splitter.
8602 (movdf_integer): Likewise.
8603 (movdf_nointeger): Likewise.
8604 (movxf constant prop splitter): Handle all modes; update for SSE.
8605 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8606 * i386.c (standard_80387_constant_p): Rewrite.
8607 (standard_sse_constant_p): New.
8608 * i386-protos.h (standard_sse_constant_p): New.
8610 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8612 * i386.md (sse_setccsf, sse_setccdf): New.
8613 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8615 * i386.c (sse_comparison_operator): Accept the supported unordered
8616 comparses; be ready for fast_math.
8617 (print_operand): Support 'D'.
8619 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8621 * jump.c (reversed_comparison_code): Kill.
8623 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8625 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8628 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8630 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8631 add missing '%' in constraints.
8633 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8635 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8636 for HOST_BITS_PER_WIDE_INT == 32 too.
8638 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8640 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8642 (insert_save, insert_restore): New parameter save_mode.
8643 (init_caller_save): Update initialization of reg_save_code
8644 and reg_restore_code.
8645 (save_call_clobbered_regs): Compute save_modes and update calls to
8646 reg_save_code and reg_restore_code.
8647 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8648 of spill; update use of reg_restore_code.
8649 (insert_save): Likewise.
8650 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8651 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8652 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8654 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8656 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8657 noce_try_store_flag_inc, noce_try_store_flag_mask,
8658 noce_try_cmove_arith):
8659 Use reversed_comparison_code instead of reverse_comparison and
8660 can_reverse_comparison_p.
8662 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8664 * jump.c (reversed_comparison_code_parts): Allow reversal of
8665 unordered compares in -ffast-math mode; reverse ordered compares
8666 for FP even w/o -ffast-math.
8668 2001-02-27 Richard Henderson <rth@redhat.com>
8670 * print-rtl.c (print_rtx) [i]: Don't print field five on
8671 NOTEs other than NOTE_INSN_DELETED_LABEL.
8673 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8675 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8676 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8678 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8680 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8681 even if walk_subtrees is 0.
8682 * c-semantics.c (prune_unused_decls): Return a non-null value to
8683 stop traversing the tree chain.
8685 2001-02-27 DJ Delorie <dj@redhat.com>
8687 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8688 register, *then* define it as the new CFA.
8690 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8692 * pa.c (override_options): Promote -fpic to -fPIC.
8693 (legitimize_pic_address): Simplify due to removal of
8694 small PIC as a code generation option.
8695 (secondary_reload_class): Similarly.
8696 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8697 (PRINT_OPERAND_ADDRESS): Similarly.
8698 * pa.md (various patterns): Similarly.
8699 (small pic lo_sum pattern): Remove.
8701 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8704 * md.texi (min, max): Document
8706 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8708 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8709 TARGET_PARTIAL_REG_DEPENDENCY.
8710 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8712 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8714 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8716 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8718 * mips.c (mips_make_temp_file): Fix thinko in last change.
8720 2001-02-26 Jason Eckhardt <jle@redhat.com>
8722 * combine.c (known_cond): Do not reverse the condition when
8723 SMAX/UMAX is being considered and the condition is for equality
8726 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8728 2001-02-26 Philip Blundell <philb@gnu.org>
8730 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8732 * config/arm/linux-elf.h: Remove historical relics related to
8733 above configurations.
8734 * config/arm/linux-oldld.h: Delete.
8735 * config/arm/linux-elf26.h: Delete.
8737 2001-02-26 Jason Merrill <jason@redhat.com>
8739 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8741 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8742 recognize a tentative definition. Lose obsolete code.
8744 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8745 variables unless necessary, either.
8747 2001-02-25 Richard Henderson <rth@redhat.com>
8749 * ifcvt.c (struct noce_if_info): Add test_bb.
8750 (noce_get_alt_condition): New.
8751 (noce_try_minmax, noce_try_abs): New.
8752 (noce_operand_ok): New.
8753 (noce_process_if_block): Use them.
8754 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8756 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8758 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8761 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8763 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8764 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8766 (mips_asm_file_end): Free temp_filename here.
8768 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8770 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8771 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8773 * config/i386/i386.md (movstrsi): Handle FAIL case.
8775 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8777 * cppinit.c (builtin_array): Update.
8778 (init_builtins): Flag builtins to warn if redefined or
8779 undefined. Define __GXX_WEAK as a normal macro.
8780 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8781 * cpplib.h (NODE_WARN): New flag.
8782 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8783 Handle __STDC__ as a builtin only on Solaris.
8784 (warn_of_redefinition): Renamed from check_macro_definition.
8785 Reverse sense of test. Always warn if NODE_WARN.
8786 (_cpp_create_definition): Use warn_of_redefinition. Flag
8787 any macro beginning with "__STDC_" to require a mandatory
8788 warning if redefined or undefined.
8790 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8792 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8793 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8794 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8795 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8796 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8797 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8798 Don't define any of:
8799 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8800 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8801 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8802 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8803 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8805 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8806 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8809 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8810 Delete now-empty file.
8812 * alpha/vms.h: Define NEED_ATEXIT here...
8813 * alpha/xm-vms.h: ...not here.
8815 * i386/cygwin.h: Don't define PARAMS.
8816 * mips/mips.c: Don't prototype mktemp. Don't define
8817 P_tmpdir. Use make_temp_file to create temporary files.
8818 Don't be clever and delete temporary files early.
8819 * config.gcc: Drop references to deleted files. Don't define
8821 * gcc.texi: Don't mention USE_PROTOTYPES.
8823 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8825 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8826 (ix86_set_move_mem_attrs_1): Likewise.
8827 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8828 * config/i386/i386.md (movstrsi): Call it.
8830 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8832 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8833 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8834 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8835 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8837 (i750a-*-*): Error here if hosting on i750a.
8838 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8840 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8841 Remove (empty modulo comments).
8843 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8844 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8845 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8846 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8847 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8848 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8850 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8851 Remove reference to winnt.h in comment.
8852 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8854 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8856 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8857 used to set another biv.
8859 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8861 * tree.h (BLOCK_DEAD): New macro.
8862 (struct tree_block): New flag, dead_flag.
8863 * print-tree.c (print_node, case 'b'): Print missing fields.
8864 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8865 * function.c (identify_blocks): Enable test for misplaced notes.
8866 (all_blocks): Skip BLOCK_DEAD blocks.
8867 * integrate.c (integrate_decl_tree): Likewise.
8869 * errors.c (internal_error, trim_filename): New functions.
8870 (fancy_abort): Call internal_error.
8871 * errors.h (internal_error, trim_filename): New declarations.
8873 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8875 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8877 (EXTRA_CONSTRAINT): Formatting changes.
8879 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8881 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8883 2001-02-23 Per Bothner <per@bothner.com>
8885 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8886 so they can be called from java/jvspec.c.
8887 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8889 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8891 * i386.c (ix86_frame): New structure.
8892 (ix86_compute_frame_size): Kill.
8893 (ix86_compute_frame_layout): New.
8894 (ix86_save_reg): New.
8895 (ix86_can_use_return_insn_p): Use frame layout stuff.
8896 (ix86_expand_prologue): Likewise.
8897 (ix86_expand_epilogue): Likewise.
8898 (ix86_initial_elimination_offset): Likewise.
8899 (ix86_nsaved_regs): Use ix86_save_reg.
8900 (ix86_emit_save_regs): Likewise.
8902 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8904 * flow.c (find_sub_basic_blocks): New function.
8905 (split_block): Be ready for basic block introduced by CODE_LABEL.
8906 (commit_one_edge_insertion): Call find_sub_basic_block.
8908 * flow.c (make_edges): Add edge from entry for blocks starting with
8909 label having ALTERNATE_NAME
8911 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8913 * function.c (epilogue_done): Be ready for first basic block not
8914 containing PROLOGUE_END note.
8915 (reposition_prologue_and_epilogue_notes): Avoid placing
8916 PROLOGUE_END note between BASIC_BLOCK.
8918 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8920 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8922 2001-02-21 DJ Delorie <dj@redhat.com>
8924 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8925 check for current_function_has_nonlocal_goto from 1999-11-12.
8927 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8929 * diagnostic.c (trim_filename): No longer static.
8930 * toplev.h (trim_filename): Declare.
8931 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8932 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8933 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8934 (rtvec_check_failed_bounds): Likewise.
8935 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8937 * convert.c (convert_to_integer): Don't do unsigned unless result or
8938 both inputs are unsigned.
8940 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8943 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8945 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8947 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8949 * Makefile.in (resource.o): Add params.h dependence.
8950 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8951 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8952 * resource.c: Add dependence on params.h.
8953 (current_live_regs): Fix explanatory comment.
8954 (find_basic_block): Add new parameter to permit limiting search
8956 (mark_target_live_regs): Add new argument to find_basic_block call.
8957 (incr_ticks_for_insn): Likewise.
8959 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8961 * diagnostic.c (output_to_stream): Rename to
8962 output_buffer_to_stream. Loses the stream parameter.
8963 (init_output_buffer): Set diagnosic_buffer's stream.
8964 (flush_diagnostic_buffer): Adjust.
8965 (default_print_error_function): Likewise.
8966 (finish_diagnostic): Likewise.
8967 (verbatim): Likewise.
8969 * diagnostic.h (struct output_buffer): Add `stream' field.
8970 (output_buffer_attached_stream): New macro.
8972 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8974 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8975 check if either operand is divisible by C.
8976 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8977 If type is signed, consider negative numbers as well.
8979 2001-02-22 Richard Henderson <rth@redhat.com>
8981 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8982 reach .text instead of gp-relative relocs.
8983 * config/ia64/crtend.asm (.init): Likewise.
8985 2001-02-22 Andreas Jaeger <aj@suse.de>
8987 * extend.texi (C++ Attributes): Fix typo.
8989 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8991 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8992 functions, drop current_function_args_info.words test.
8993 (ia64_compute_frame_size): Mark syscall_linkage functions as
8994 using eight input registers.
8996 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8997 Bruce Korb <bkorb@gnu.org>
8999 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9000 * fixinc/README: Document how to convert sed substitutions
9001 to format style c_fix-es.
9002 * fixinc/fixincl.x: regen
9004 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9006 * gcc.c: Add comment explaining how to add a command-line option.
9007 Add title to specs language comment.
9009 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9011 * gcc.c (cc1_options): Add "-param".
9012 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9013 (option_map): Likewise.
9014 * toplev.c (display_help): Add entry for "--param".
9015 (independent_decode_option): Fix typographical error.
9017 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9018 Bernd Schmidt <bernds@redhat.com>
9019 Jan Hubicka <jh@suse.cz>
9021 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9022 (function_arg): Likewise.
9024 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9026 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9028 2001-02-21 Kazu Hirata <kazu@hxi.com>
9030 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9034 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9036 * flow.c (init_propagate_block_info): Canon address and use single_set
9037 for killing dead memory stores.
9039 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9041 * Makefile.in (reorg.o): Add params.h dependence.
9042 * params.def: Fix typographical error in comment.
9043 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9044 * params.h: Modify introductory comment.
9045 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9046 * reorg.c: Add dependence on params.h.
9047 (redundant_insn): Add parameterized throttle for search.
9048 (fill_simple_delay_slots): Add a comment explaining a variable.
9049 Move conditional out of loop, simplifying code.
9050 (fill_eager_delay_slots): Fix typographical error in comment.
9052 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9054 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9056 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9057 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9059 2001-02-21 Jason Merrill <jason@redhat.com>
9061 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9062 (struct tree_decl): Add uninlinable bitfield.
9063 * c-decl.c (duplicate_decls): Set it.
9064 * integrate.c (function_cannot_inline_p): Check it.
9066 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9067 DW_AT_MIPS_linkage_name to abstract methods.
9068 (dwarf2out_abstract_function): Emit class context before calling
9069 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9070 (gen_subprogram_die): Remove obsolete code.
9071 (gen_member_die): Don't include clones in the member list.
9072 (gen_decl_die): Emit abstract info for clone origin.
9073 * dwarfout.c (output_type): Don't include clones in the member list.
9074 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9075 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9076 DECL_ABSTRACT on a function that already has it set.
9078 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9079 (get_subprogram_die): Pass it in.
9081 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9083 * flow.c (mark_set_1): Make not_dead unsigned long. For
9084 non-pseudos, use it as a bitmask of the hard regs that
9087 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9089 * cppfiles.c: Update comments.
9090 (_cpp_read_file): Don't check for NULL filenames any more.
9091 * cppinit.c (cpp_start_read): Don't do canonicalization of
9092 in_fname and out_fname. Use the passed file name exclusively.
9093 (_cpp_handle_options): Don't treat "-" as a command line option,
9094 but as a normal filename.
9095 (_cpp_post_options): Canonicalize in_fname and out_fname.
9096 * cppmain.c (printer_init): Don't check out_fname for NULL.
9097 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9098 (init_c_lex): Update, and use "" to represent stdin to CPP.
9101 2001-02-20 Will Cohen <wcohen@redhat.com>
9103 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9104 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9105 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9108 2001-02-20 Stan Shebs <shebs@apple.com>
9110 * config/rs6000/rs6000.c (output_cbranch): Output branches
9111 on separate lines instead of using ';' to separate.
9113 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9115 * cppinit.c (set_lang): Move builtin handling to...
9116 (init_builtins): ...here.
9117 (_cpp_create_reader): Move call to set_lang.
9119 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9121 * stmt.c (expand_return): If an attempt is made to return the
9122 error_mar_node, treat the return like a return without a value.
9124 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9126 * sibcall.c (skip_copy_to_return_value): Call
9127 identify_call_return_value here, and return orig_insn if it
9128 returns zero. Hardret and softret arguments now unnecessary.
9129 (call_ends_block_p): Don't call identify_call_return_value here.
9131 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9133 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9134 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9136 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9138 * pa.c (move_operand): Accept code to load the address of a
9139 symbol out of the DLT as a valid move operand.
9140 (print_operand, case 'A'): New to handle generating a DLT
9141 reference for a LO_SUM expression.
9142 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9143 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9145 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9147 * README, cpp.texi, gcc.texi, version.c: Update version number to
9149 * cpp.1, gcov.1, gcc.1: Regenerate.
9151 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9153 * cppfiles.c (stack_include_file): Generate dependencies
9154 here, and manage include_count here too.
9155 (PRINT_THIS_DEP): Delete.
9156 (_cpp_execute_include): Do not generate dependencies here,
9157 apart from the case of a missing header. Do not manage
9159 (_cpp_read_file): Leave dependency generation to
9162 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9164 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9165 target_cpu_default. Remove dead assignment to
9168 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9170 * regclass.c (contains_reg_of_mode): Make global.
9171 (init_reg_sets): Remove contains_reg_of_mode; take into account
9172 CLASS_MAX_NREGS when looking for the proper mode.
9173 (dump_regclass): Dump only classes considered for the pseudo.
9174 (regclass): Use contains_reg_of_mode.
9176 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9178 * gcc.c (do_spec_1): 'n' for printing notices.
9179 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9181 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9183 * reg-stack.c (next_flags_user): Use current_block->end
9184 (swap_rtx_condition): Look for next user if flags don't die;
9185 give up on CALL_INSNs; use current_block->end.
9187 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9189 * sibcall.c (call_ends_block_p): New function.
9190 (optimize_sibling_and_tail_recursive_call): Use it.
9192 2001-02-18 Kazu Hirata <kazu@hxi.com>
9194 * config/h8300/h8300.md: Update copyright.
9195 (andsi3): Do not output an extra newline character.
9197 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9199 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9200 FNDECL may be unused.
9202 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9203 follow jumps after first run.
9204 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9205 it doesn't change any jumps.
9207 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9209 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9210 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9211 (mostlyclean): Corresponding changes.
9212 * rtlanal.c (hard-reg-set.h): Include.
9213 (rtx_unstable_p): Do not treat the argument pointer specially
9214 if it is not a fixed register.
9215 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9217 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9219 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9220 against last real insn in basic block.
9221 Rework to avoid gotos.
9223 * Makefile.in (gcse.o): Now includes ggc.h.
9224 * gcse.c: Include ggc.h.
9225 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9226 (try_replace_reg): Remove warning of uninitialize variable.
9227 (process_insert_insn): Call invalid_insn_p to validate insn.
9228 * recog.c (insn_invalid_p): Now global.
9229 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9230 * recog.h (insn_invalid_p): New declaration.
9232 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9234 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9235 assignments from FP constants since 'Y' output code can't handle it.
9236 (eligible_for_sibcall_delay): Likewise.
9238 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9239 Call fancy_abort directly, passing args.
9240 (print_rtl_and_abort): Now a macro, like fancy_abort.
9242 * final.c (output_operand_lossage): Use internal_error, not error.
9244 2001-02-18 Shane Nay <shane@agendacomputing.com>
9246 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9247 structure shift insns.
9249 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9251 * invoke.texi (-fsquangle): Remove documentation.
9252 (-fname-mangling-version): Likewise.
9254 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9256 * optabs.c (expand_abs): Remove reference to
9257 HAVE_contitional_arithmetic.
9258 * combine.c (simplify_set): Likewise.
9260 2001-02-18 Richard Henderson <rth@redhat.com>
9262 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9265 2001-02-18 Richard Henderson <rth@redhat.com>
9267 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9269 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9271 * reload1.c (reload_cse_simplify_set): Fix typo.
9273 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9275 * diagnostic.c (_fatal_insn): Decrement errorcount.
9277 * invoke.texi (-I): Add note avoiding use for system header files.
9279 * rtl.h (add_clobbers): Remove duplicate declaration.
9280 * recog.h (added_clobbers_hard_reg_p): New declaration.
9281 * genemit.c (struct clobber_pat): New field has_hard_reg.
9282 (gen_insn): Record if added clobbers clobber hard reg.
9283 (gen_split): Avoid unused warning if number of operands is 0.
9284 (output_added_clobbers_hard_reg_p): New function.
9287 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9289 * pa.c (hppa_expand_prologue): Simplify code storing return
9290 pointer. For large (>=8k) frames with a post_store, adjust stack
9291 pointer by 8k-64 first rather than by 64. When testing with
9292 VAL_14_BITS_P, always use the actual value rather than the value
9293 negated. Add blockage to prevent scheduling of spills before
9294 stack frame has been created.
9295 (hppa_expand_epilogue): Simplify code loading return pointer.
9296 Allow a slightly larger range for merge_sp_adjust_with_load case.
9297 When testing with VAL_14_BITS_P, always use the actual value.
9299 * pa.c (pa_adjust_insn_length): Check that block move
9300 pattern is a set before looking at operands.
9302 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9304 * fold-const.c (fold_binary_op_with_conditional_arg): New
9305 function, split out from ...
9307 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9308 conditional arms that throw exceptions.
9310 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9313 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9315 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9316 define HAVE_DECL_* to 1 to mask potential backup declarations.
9317 * configure: Regenerated.
9319 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9321 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9323 2001-02-17 Richard Henderson <rth@redhat.com>
9325 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9326 when replacing a memory load with a register.
9328 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9329 Jan Hubicka <jh@suse.cz>
9331 * recog.c (validate_replace_src_1): New.
9332 (validate_replace_src_data): Likewise.
9333 (validate_replace_src): Use note_uses.
9334 * rtl.h (note_uses): Declare.
9335 * rtlanal.c (note_uses): New.
9337 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9339 * reg-stack.c (stack_def): Make field reg unsigned.
9340 (remove_regno_note): Unsignetize parameter.
9342 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9344 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9345 shladd_operand() call.
9347 2001-02-16 Bruce Korb <bkorb@gnu.org>
9348 Rodney Brown <RodneyBrown@mynd.com>
9350 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9351 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9352 machine restrictions
9353 * fixinc/fixincl.x: regen
9355 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9357 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9359 (hash_scan_insn): Clean up calls to hash_scan_set.
9360 (compute_kill_rd): REGNO now unsigned.
9361 (try_replace_reg): Rework to use simplify_replace_rtx.
9362 (cprop_jump, cprop_cc0_jump): Likewise.
9363 (cprop_insn): Call find_reg_equal_equiv_note.
9364 Reflect changes to cprop_jump and cprop_cc0_jump.
9366 * recog.c (validate_replace_src): Replace in operands of
9367 ZERO_EXTRACT in SET_DEST.
9369 * cse.c (new_label_ref): New variable.
9370 (insert): Set it instead of recorded_label_ref.
9371 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9372 CODE_LABEL for this function, and not already in REG_LABEL note.
9374 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9376 * resource.c (mark_referenced_resources): Fix typo in introductory
9378 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9381 2001-02-16 Jason Merrill <jason@redhat.com>
9383 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9385 (gen_subprogram_die): Don't abort on seeing a second definition if
9386 the previous one was abstract. Don't replace an abstract instance
9387 in the lookup table.
9389 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9390 gen_abstract_function.
9391 * dwarf2out.h: Declare it.
9392 * toplev.c (note_outlining_of_inline_function): New fn.
9393 * toplev.h: Declare it.
9394 * integrate.c (output_inline_function): Call it.
9395 * c-decl.c (duplicate_decls): Call it when redefining an extern
9396 inline. Don't inline the new defn.
9398 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9400 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9402 * .gdbinit: Rename to gdbinit.in.
9403 * gdbinit.in: New file,
9404 * configure.in: Generate .gdbinit from gdbinit.in.
9405 * configure: Regenerated.
9406 * Makefile.in (distclean): Always remove .gdbinit.
9408 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9410 * objc/objc-act.c (start_class): Register implemented_classes with
9413 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9415 * cppfiles.c (_cpp_make_system_header): Generate a file
9418 2001-02-15 Jim Meyering <meyering@lucent.com>
9420 * Makefile.in (install-common): Don't depend on installdirs here.
9421 Instead, make each of the lang.install-common targets (e.g.,
9422 c++.install-common in cp/Make-lang.in) depend on it.
9423 (install-driver): Depend on installdirs.
9425 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9427 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9429 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9432 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9434 * invoke.texi (--param): Document.
9436 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9438 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9440 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9442 * i386.md (extendsfdf2_2): Fix constraints.
9444 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9446 * i386.md (fop_df_3 splitter): Fix operand number.
9448 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9450 * invoke.texi (-mreg-alloc): Nuke.
9451 * i386.c (ix86_reg_alloc_order, regs_allocated,
9452 order_regs_for_local_alloc): Nuke.
9453 (override_options): Kill reg_alloc code.
9454 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9455 (REG_ALLOC_ORDER): SSE goes before I387.
9456 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9457 (ix86_reg_alloc_order): Likewise.
9458 * i386-protos.h (ix86_reg_alloc_order): Kill.
9460 2001-02-14 Richard Henderson <rth@redhat.com>
9462 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9464 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9466 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9468 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9470 * i386-protos.h (ix86_memory_move_cost): Move offline.
9471 * i386.c (ix86_register_move_cost): Compute properly cost of
9472 SSE, MMX and i387 instructions.
9473 (*_cost): Add costs of SSE/MMX moves.
9474 (ix86_memory_move_cost): Move offline from ....; Likewise.
9475 * i386.h (MEMORY_MOVE_COST): .... here;
9476 (struct processor costs): Add new fields to represent costs
9479 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9481 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9482 move_cost together with Matt Kraai's fix.
9484 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9486 * Makefile.in (OBJS): Add params.o.
9488 2001-02-14 Richard Henderson <rth@redhat.com>
9489 DJ Delorie <dj@redhat.com>
9491 * jump.c (jump_optimize_1): When we delete a conditional jump
9492 preceeding a non-conditional jump to effectively the same place,
9493 make sure that the combined jump skips any clobber insns between
9496 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9498 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9500 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9502 * Makefile.in (toplev.o): Depend on params.h.
9503 (intergate.o): Likewise.
9504 (params.o): New target.
9505 * flags.h (inline_max_insns): Remove.
9506 * integrate.c: Include params.h.
9507 Use MAX_INLINE_INSNS instead of inline_max_insns.
9508 * params.c: New file.
9509 * params.h: Likewise.
9510 * params.def: Likewise.
9511 * toplev.c: Include params.h.
9512 (lang_independent_params): New variable.
9513 (decode_f_option): Use the param machinery instead of setting
9515 (independent_decode_option): Handle "--param name=value".
9516 (main): Register language-independent parameters.
9518 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9520 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9522 2001-02-14 Richard Henderson <rth@redhat.com>
9524 * regclass.c (init_reg_sets_1): Revert last two changes.
9526 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9528 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9529 (variable_size): Call put_pending_size.
9530 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9531 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9532 sizes list, put newly created SAVE_EXPR there as well.
9534 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9536 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9537 (errata_find_address_regs): load_group has only 2 entries.
9538 (errata_emit_nops): Likewise. shladd is not problematic.
9539 Clear last_group if nop was emitted.
9540 (fixup_errata): load_group has only 2 entries.
9543 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9545 * c-lex.c (lex_number): Only warn traditionally for U suffix
9546 outside system macros.
9547 * cppexp.c (parse_number): Similarly.
9548 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9549 * cppmacro.c (struct cpp_macro): New member node.
9550 (parse_args): Only warn about missing rest args if not
9552 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9553 (cpp_sys_objmacro_p): New.
9554 (_cpp_create_definition): Store the node with the macro defn.
9555 Remember if the macro is defined in a system header.
9557 2001-02-13 DJ Delorie <dj@redhat.com>
9559 * configure.in (check_languages): determine languages to check
9560 * Makefile.in (check-c++): alias for check-g++
9561 (check-f77): alias for check-g77
9562 (CHECK_TARGETS): depend on configured languages
9564 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9566 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9567 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9568 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9569 (sqrtextendsfdf2): Disable for SSE2.
9571 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9573 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9574 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9575 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9576 (sqrtextendsfdf2): Disable for SSE2.
9578 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9580 * i386.md (movsfcc_1): Support integer cmove instruction.
9581 (movdfcc_1): Likewise; new splitter.
9583 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9585 * i386.c (output_fp_compare): Support SSE.
9586 (prepare_fp_compare_args): SSE comparisons always support memory.
9587 * i386.h (TARGET_CMOVE): SSE imply cmove.
9588 * i386.md (cmp?f2): Enable for SSE too.
9589 (cmpfp_i*): Support SSE.
9591 (cmpfp_i_sse_only): New.
9592 (s*, b* fp expanters): Enable for SSE too.
9593 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9596 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9598 * regclass.c (init_reg_sets_1): Silence warning.
9600 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9602 * i386.md (sqrt?f2): Change to expander.
9603 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9605 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9607 * rtlanal.c (find_reg_equal_equiv_note): New function.
9608 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9609 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9610 * rtl.h: Add declarations for above functions.
9612 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9614 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9616 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9617 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9618 * flow.c (mark_regs_live_at_end): Likewise.
9619 (calculate_global_regs_live): Likewise.
9620 * gcse.c (compute_hash_table): Likewise.
9621 (compute_kill_rd): Likewise.
9622 * resource.c (mark_target_live_regs): Likewise.
9623 * rtl.h (INVALID_REGNUM): New macro.
9625 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9627 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9629 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9631 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9634 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9636 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9638 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9639 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9640 (fop_sf_1_sse, fop_df_1_sse): New patterns
9641 (fop_*): Disable float_extend and float patterns for SSE compilation.
9642 * i386.c (output_387_binary_op): Support SSE.
9644 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9646 * i386.md (dummy_extendsfdf2): Support SSE2
9647 (extendsfdf2): Enable if 80387 or SSE2.
9648 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9649 and no MIX_I387_SSE2
9650 (extendsfdf2_1_sse_only): New pattern.
9651 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9653 (truncdfsf2_1): Support SSE.
9654 (truncdfsf2_2): Support SSE.
9655 (truncdfsf2_2_1_sse): New pattern.
9656 (fixtruncsfsi2): Always use SSE if available.
9657 (fix_truncsfsi_sse): New pattern.
9658 (fix_truncdfsi_sse): New pattern.
9659 (floatsis?f2): Support SSE.
9660 (floatsidf2_i387): New pattern.
9661 (floatsidf2_sse): Likewise.
9663 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9665 * configure.in: Use "have_gnat" variable, not "gnat".
9666 * configure: Regenerated.
9668 * config/sparc/sparc.c (function_value): Treat all non-record
9669 aggregate types like used to treat UNION_TYPE.
9671 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9673 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9674 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9676 (MASK_MIX_SSE_I387): New.
9677 (TARGET_SSE): SSE2 imply SSE.
9678 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9679 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9680 (enum reg_class): Add new classes.
9681 (REG_CLASS_NAMES): Likewise.
9682 (REG_CLASS_CONTENTS): Likewise.
9683 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9684 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9685 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9686 (CLASS_MAX_NREGS): Use new macros.
9687 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9688 * i386.md (pushsf, movsf): Support SSE.
9689 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9690 splitters to use ANY_FP_REGNO_P.
9691 (movdf_nointeger, movdf_integer): Likewise.
9693 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9695 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9696 (try_combine): Use it.
9698 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9700 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9701 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9702 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9703 (REGISTER_MOVE_COST): Likewise.
9704 * i386-protos.h (ix86_secondary_memory_needed,
9705 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9706 * i386.c (ix86_secondary_memory_needed,
9707 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9709 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9711 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9712 (HARD_REGNO_MODE_OK): Move offline to ....
9713 * i386.c (ix86_hard_regno_mode_ok) ... here;
9714 refuse all incorrect modes.
9715 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9717 2001-02-13 Richard Henderson <rth@redhat.com>
9719 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9720 entire operator; replicate that and match_dup the operands.
9721 (cmp_ccx_arith_op_set): Likewise.
9722 (cmp_cc_arith_op_not_set): Likewise.
9723 (cmp_ccx_arith_op_not_set): Likewise.
9725 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9727 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9729 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9731 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9732 (TARGET_NO_BITFIELD_WORD): New macro.
9733 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9734 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9736 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9738 * cselib.c: New file, from simplify-rtx.c.
9739 * simplify-rtx.c: Remove cselib parts.
9740 * Makefile.in: Add cselib.o.
9742 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9744 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9745 (setup_incoming_varargs): Remove warning.
9747 * config/rs6000/rs6000.c (validate_condition_mode): When
9748 flag_fast_math, allow floating-point conditionals to be reversed.
9749 (rs6000_generate_compare): When flag_fast_math, don't generate
9750 cror operations for FP conditionals.
9752 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9754 (ASM_SPEC): Likewise.
9755 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9756 (CC1_SPEC): Likewise.
9757 (LINK_TARGET_SPEC): Likewise.
9758 (CPP_ENDIAN_SPEC): Likewise.
9759 * Makefile.in (check-consistency): New target.
9761 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9763 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9764 "return type defaults" warning for functions with return type
9766 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9767 function declarations by default rather than only when pedantic.
9769 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9771 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9774 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9776 * extend.texi (Deprecated): Deprecate new initializer lists.
9778 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9780 * mkdeps.c (deps_add_default_target): Robustify. Add
9781 basename component only.
9782 * cpp.texi (-M): Describe how default target is generated.
9783 * invoke.texi (-M): Likewise.
9785 2001-02-12 Kazu Hirata <kazu@hxi.com>
9787 * toplev.c (push_float_handler): Remove.
9788 (pop_float_handler): Remove.
9789 * toplev.h: Remove prototypes for the above functions.
9791 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9793 * c-common.c (constant_fits_type_p): New function.
9794 (convert_and_check): Use it.
9796 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9798 * Makefile.in (GXX_ABI_FLAG): Don't define.
9799 * configure.in (--enable-new-gxx-abi): Remove option.
9800 * config.in: Regenerated.
9801 * configure: Likewise.
9803 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9805 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9807 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9808 regular basic block, and arrange for all edges into it to switch
9811 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9813 * Makefile.in (distclean): Do not remove .gdbinit.
9815 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9817 * Makefile.in (gcc.o): Fix typos.
9818 (protize.o): Likewise.
9819 (unprotoize.o): Likewise.
9821 2001-02-11 Richard Henderson <rth@redhat.com>
9823 * tree.c (build1): Check for null operand in last change.
9825 2001-02-11 Richard Henderson <rth@redhat.com>
9827 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9828 (fold): Don't assume a constant isn't foldable.
9829 * tree.c (build): Set TREE_CONSTANT for an expression with no
9830 side-effects and constant operands.
9833 2001-02-10 Richard Henderson <rth@redhat.com>
9835 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9837 2001-02-10 Anthony Green <green@redhat.com>
9839 * cpp.texi (Standard Predefined): Add documentation for
9842 * c-common.c (combine_strings): Improve warning message.
9844 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9846 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9848 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9850 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9852 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9855 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9857 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9860 2001-02-09 Nick Clifton <nickc@redhat.com>
9862 * config/arm/arm.md: Change output contraint on post inc
9863 load/store multiple patterns to be a read/write contraint.
9865 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9867 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9868 .o files when using the -M options.
9870 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9871 David Edelsohn <edelsohn@gnu.org>
9873 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9874 handle DImode constants. Use one TOC entry for SImode and smaller
9875 constants, aligned properly.
9877 2001-02-08 Jason Merrill <jason@redhat.com>
9879 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9880 about the SP adjustment for saving the static chain pointer.
9881 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9882 offset when setting a temporary CFA register.
9884 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9886 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9887 powerpc-*-chorusos* .
9888 * config/rs6000/chorus.h : New file.
9889 * config/i386/chorus.h : New file.
9890 * config/sparc/chorus.h : New file.
9891 * config/sparc/t-chorus-elf : New file.
9893 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9895 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9896 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9897 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9898 (__WCHAR_TYPE__): Correct macro name.
9900 2001-02-08 Richard Henderson <rth@redhat.com>
9902 * config/i386/i386.c (ix86_frame_pointer_required): New.
9903 (ix86_setup_frame_addresses): New.
9904 (struct machine_funciton): Add accesses_prev_frame.
9905 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9906 ix86_frame_pointer_required.
9907 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9908 (SETUP_FRAME_ADDRESSES): New.
9909 * config/i386/i386-protos.h: Update.
9910 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9911 from FRAME_POINTER_REQUIRED.
9912 * config/i386/svr3gas.h: Likewise.
9913 * config/i386/sysv3.h: Likewise.
9914 * config/i386/v3gas.h: Likewise.
9916 2001-02-08 Richard Henderson <rth@redhat.com>
9918 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9919 calculation of the number of integer registers required.
9920 (function_arg_record_value): Likewise.
9922 2001-02-08 Jason Merrill <jason@redhat.com>
9924 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9925 two. Print file and line with "confused" message.
9927 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9929 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9931 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9933 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9935 * final.c (cleanup_subreg_operands): The address of a MEM can
9938 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9941 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9943 * gcc.texi (Incompatibilities): Update documentation of
9944 preprocessing numbers.
9946 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9948 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9950 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9952 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9954 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9955 * gcc.c (struct compiler): Add cpp_spec field.
9956 (input_file_compiler): New variable.
9957 (do_spec_1): Allow a particular compiler to handle `%C'
9959 (main): Store the current compiler in input_file_compiler.
9960 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9962 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9964 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9965 * cppinit.c (cpp_create_reader): Initialize them.
9966 (append_include_chain): cxx_aware arg might be unused.
9967 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9968 keywords and give them their phase 7 meaning. Pedwarn about
9969 this unless '__bool_true_false_are_defined' is defined.
9971 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9973 * lcm.c (optimize_mode_switching): Emit mode_set before the
9974 JUMP_INSN of an abnormal edge.
9976 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9978 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9979 a scheduling barrier at the end.
9981 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9983 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9985 * config/sh/sh.md (reload_outsf): Removed.
9986 (movsf_ie): Introduce constraints for FPUL loads and stores.
9987 (reload_insf): Broaden the output constraint.
9989 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9991 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9992 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9994 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9996 * final.c: Revert my previous changes.
9997 * output.h: Make profile_label_no extern.
9998 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9999 for generating label.
10001 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10003 * config/i386/djgpp.h: Add comments about standard paths.
10004 (MD_EXEC_PREFIX): Undefine before defining.
10005 (MD_STARTFILE_PREFIX): New.
10007 2001-01-30 Bruce Korb <bkorb@gnu.org>
10009 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10010 (load_file): do not rely on load_file_data() to close file pointer
10011 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10012 fixinc/inclhack.def(irix_limits_const): add test_text
10014 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10016 * cppexp.c (parse_defined): Improve diagnostics for invalid
10019 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10021 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10023 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10025 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10026 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10027 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10028 (rs6000_output_symbol_ref): New function.
10029 (output_toc): Use VTABLE_NAME_P.
10031 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10033 * print-tree.c (print_node, case PARM_DECL):
10034 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10036 * stor-layout.c (reference_types_internal): New variable.
10037 (internal_reference_types): New function.
10038 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10039 * tree.h (internal_reference_types): New declaration.
10041 * cse.c (find_best_addr): Fix typo in computing cost.
10043 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10045 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10046 and this is the sum of a pointer and a constant, we know the result
10048 (num_sign_bit_copies, case PLUS): Likewise.
10049 * explow.c (convert_memory_address): Remove opposite SUBREG.
10050 * function.c (instantiate_new_reg): New function (from common code).
10051 (instantiate_virtual_regs_1): Call it.
10052 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10053 if pointers sign- or zero-extend.
10054 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10055 If pointers extend unsigned, use inside of SUBREG.
10056 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10058 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10060 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10061 subdir of gcc_gxx_include_dir.
10062 (gcc_gxx_target_include_dir): Remove.
10064 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10066 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10067 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10068 a high-level description.
10070 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10072 * final.c: Move the declaration of profile_label_no to ...
10073 * output.h: ... here.
10074 * function.c (expand_function_start): Call PROFILE_HOOK.
10075 * config/rs6000/aix.h: Define PROFILE_HOOK.
10076 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10077 * config/rs6000/rs6000.c (output_profile_hook): Define.
10078 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10079 output_profile_hook.
10080 tm.texi : Explain new macro PROFILE_HOOK.
10082 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10084 * extend.texi (Extended Asm): Do not say that semicolon is always
10085 a valid line-breaking character for GNU assemblers. Use
10086 newline-tab as the most commonly supported syntax. Use
10087 newline-tab rather than semicolon in multi-insn examples.
10089 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10091 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10093 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10094 David Edelsohn <edelsohn@gnu.org>
10096 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10097 code for AIX, even without flag_pic.
10099 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10101 * c-typeck.c (common_type): push and pop binding level around
10102 calling common_type on function parameters.
10104 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10106 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10108 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10110 * config/mips/mips.c (override_options): Fix typo in last change.
10111 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10112 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10114 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10116 * invoke.texi (-fdump-class-layout): Document.
10117 (-fdump-translation-unit): Use `=' as filename separator.
10119 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10121 * Makefile.in (s-mlib): Don't build multilibs if
10122 --disable-multilib.
10123 (DRIVER_DEFINES): Adjust accordingly.
10125 (protoize.o): Likewise.
10126 (unprotoize.o): Likewise.
10127 * configure.in: Recognize --enable-multilib.
10129 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10131 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10133 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10134 * configure.in: Remove --enable-libstdcxx_v3 support.
10135 * configure: Regenerated.
10137 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10139 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10140 Call abort instead of fatal.
10141 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10142 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10143 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10144 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10145 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10146 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10148 * diagnostic.h (set_internal_error_function): Renamed.
10149 * toplev.h (internal_error): Renamed from fatal.
10150 (pfatal_with_name): Deleted.
10151 (fatal_io_error): Now has printf-style arguments.
10152 * diagnostic.c (pfatal_with_name): Deleted.
10153 (fatal_io_error): Rework to have args in printf-style.
10154 (set_internal_error_function): Renamed from set_fatal_function.
10155 (internal_error): Renamed from fatal.
10156 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10157 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10158 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10159 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10160 * flow.c (verify_flow_info): Likewise.
10161 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10162 * config/mips/mips.c (save_restore_insns): Likewise.
10164 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10165 * flow.c (verify_flow_info): Likewise.
10166 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10167 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10168 (avr_normalize_condition): Likewise.
10169 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10170 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10171 (limit_reload_class, double_reg_to_memory): Likewise.
10172 (print_operand_address, emit_1600_code_shift): Likewise.
10173 (gen_tst_reg, gen_compare_reg): Likewise.
10174 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10175 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10177 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10179 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10180 * objc/objc-act.c (build_ivar_chain): Likewise.
10181 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10183 * graph.c (clean_graph_dump_file): Likewise.
10184 * profile.c (init_branch_prob): Likewise.
10185 * objc/objc-act.c (objc_init): Likewise.
10187 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10188 * config/avr/avr.c (avr_override_options): Likewise.
10189 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10190 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10191 * config/h8300/h8300.c (h8300_init_once): Likewise.
10192 * config/mips/mips.c (override_options): Likewise.
10193 * config/i386/i386.c (override_options): Likewise, rework.
10194 * config/m68k/m68k.c (override_options): Likewise.
10196 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10198 * config/mips/mips.c (print_operand): Likewise.
10199 * hash.c (hash_allocate): Don't check for failure returns from
10200 obstack functions that can't fail.
10201 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10202 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10203 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10204 (get_object_reference): Likewise.
10206 2001-02-04 Nick Clifton <nickc@redhat.com>
10208 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10209 StrongARM1110, 10TDMI, and 1020T.
10211 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10213 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10215 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10217 * config/sh/sh.md (movdf load split): Pass register number to
10218 FP_OR_XD_REGISTER_P.
10220 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10222 * cppinit.c (BC): New macro.
10223 (builtin_array): Add __GXX_WEAK__.
10224 * cpplib.h (builtin_type): Add BT_WEAK.
10225 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10226 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10227 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10229 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10231 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10233 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10235 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10236 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10238 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10240 * cpphash.h: Rename ALIGN _ALIGN.
10241 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10243 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10245 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10246 compilation environment.
10247 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10248 control over location of cygwin includes and libs.
10250 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10252 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10254 2001-02-02 lars brinkhoff <lars@nocrew.org>
10256 * md.texi (Standard Names): remove reference to spur.md.
10258 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10260 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10261 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10262 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10263 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10264 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10266 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10268 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10269 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10270 number before reload.
10271 (c4x_adjust_cost): Return zero before reload.
10272 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10273 split before reload.
10275 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10277 * c4x.c (c4x_hard_regno_rename_ok): New.
10278 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10279 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10281 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10283 * diagnostic.h: Add missing "extern" in all declarations.
10285 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10287 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10288 as for gcc_gxx_include_dir.
10290 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10292 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10294 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10296 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10297 label before alignment to be used as the braf base address.
10298 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10300 (casesi_jump_2): Require at least TARGET_SH2.
10302 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10303 truncation to 32-bit doubles on -m3e and -m4-single-only.
10305 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10307 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10308 the default when building a shared object.
10309 (init_spec): Use it.
10310 * testsuite/lib/g++.exp: Include the directory where libgcc
10311 is located to the LD_LIBRARY_PATH list.
10312 * invoke.texi (-shared-libgcc): Document the cases in which
10313 GCC defaults to using the shared libgcc.
10315 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10317 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10318 unsigned is wide enough.
10319 (BITS_PER_SI): New.
10320 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10321 (si_to_float): Likewise.
10322 (float_to_si, float_to_usi): Use BITS_PER_SI.
10324 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10326 * dwarf2out.c: Added explanation of abbreviations.
10327 (def_cfa_1): Added comments listing DWARF2 instructions.
10328 (cfa_temp_reg): Removed in favor of cfa_temp.
10329 (cfa_temp_value): Removed in favor of cfa_temp.
10330 (cfa_temp): New global variable.
10331 (dwarf2out_frame_debug_expr): Added extensive introductory
10332 comments explaining the function's transformations. Revised to
10333 use cfa_temp. Added some rtx checking. Generalize IOR case.
10334 (dwarf2out_frame_debug): Revised to use cfa_temp.
10335 (output_aranges): Cast as "unsigned" to avoid warning.
10336 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10337 explain which instructions must be marked.
10339 2001-02-01 Richard Henderson <rth@redhat.com>
10341 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10344 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10346 * config/sh/crt1.asm (main_k): Modified so that start calls
10347 ___setup_argv_and_call_main.
10349 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10351 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10352 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10353 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10354 * cppmacro.c (builtin_macro): Set builtin flags here.
10355 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10356 (replace_args): Clarify intent.
10357 (cpp_get_token): Macro expansion tokens get the saved flags.
10359 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10362 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10364 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10367 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10369 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10370 returns Pmode pseudo, but we need ptr_mode.
10371 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10372 Remove bogus conversions; use HOST_WIDE_INT for size.
10373 Don't use TARGET if wrong mode.
10375 * config/i386/i386.c (ix86_compute_frame_size): Allow
10376 stack_alignment_needed to be non-default even if size is zero.
10378 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10380 * pa.c (hppa_init_pic_save): New function.
10381 * pa.h (hppa_init_pic_save): Declare.
10382 * pa.md (call, call_value, sibcall, sibcall_value): Use
10383 the above instead of duplicated code.
10385 * pa.c (hppa_encode_label): Correct size of alloca buffer
10386 so we don't overrun it. Correct leading `*' case.
10387 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10388 need to handle `*@'.
10389 (FUNCTION_NAME_P): Likewise.
10391 2001-01-31 Richard Henderson <rth@redhat.com>
10393 * config.gcc (alpha-osf5): Use float-i128.h.
10395 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10396 * config/float-i32.h: Likewise.
10397 * config/float-i64.h: Likewise.
10398 * config/float-sh.h: Likewise.
10399 * config/float-sparc.h: Likewise.
10401 2001-01-31 DJ Delorie <dj@redhat.com>
10403 * expmed.c (extract_bit_field): allow non-integral modes if we
10404 want to extract a whole register from itself.
10406 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10408 * c-typeck.c (set_init_index): If first is equal to last, assume as
10409 if it was not a range at all.
10411 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10413 * config/fp-bit.c: Include tm.h.
10414 (float_to_si): Don't assume SImode is 32-bits wide.
10415 (float_to_usi): Likewise.
10417 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10419 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10421 (typename): Call pending_xref_error after parsing typed_typespecs.
10422 * c-decl.c (lookup_tag): Give error immediately rather than
10423 leaving it pending if the tag of the wrong type is in the same
10425 (xref_tag): Don't pedwarn for forward declarations of enum types
10427 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10430 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10432 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10434 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10436 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10437 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10439 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10441 * cpphash.h (struct cpp_reader): New saved_flags.
10442 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10443 to avoid a paste after a pasted token.
10445 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10447 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10448 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10449 Wtype_MIN instead of LONG_MIN.
10451 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10453 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10455 * fixinc/fixincl.x: Regenerated.
10456 * fixinc/inclhack.def (irix_limits_const): New definition to
10457 convert "const" to "__const" in limits.h.
10459 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10461 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10463 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10465 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10466 when register dies in the insn.
10468 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10470 * diagnostic.c (fatal): Fix word wrap.
10472 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10474 * combine.c (try_combine): Fix SUBREG setting for
10475 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10477 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10479 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10482 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10484 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10486 * toplev.c (decode_W_option): Update warn_larger_than
10487 unconditionally for each processed switch.
10489 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10491 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10493 (hppa_expand_prologue): Delete code to save pic offset table register
10494 in the function prologue.
10495 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10496 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10497 table register at the beginning of the function after the prologue.
10499 2001-01-29 lars brinkhoff <lars@nocrew.org>
10501 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10503 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10504 Jeff Law <law@redhat.com>
10506 * pa.md (return): Revise comment for trivial return.
10507 (return_internal): Non-trivial return pattern for non-PIC code.
10508 (return_internal_pic): Non-trivial return pattern for PIC code.
10509 It uses the PIC register to ensure it is restored after
10511 (epilogue): Generate appropriate return for PIC and non-PIC code.
10513 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10515 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10517 2001-01-29 DJ Delorie <dj@redhat.com>
10519 * combine.c (if_then_else_cond): Pass the correct mode to
10520 operand_subword() for constants.
10522 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10524 * config/i386/cygwin.h: Add w32api to include search. Search different
10525 directories in a cross-build environment.
10527 2001-11-29 Tim Josling <tej@melbpc.org.au>
10529 * tree.h (TYPE_STUB_DECL): Add documentation.
10531 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10533 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10534 (sdbout_field_types): Likwise. Fix use of host_integerp.
10536 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10538 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10541 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10543 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10544 to use flag_gnu_linker.
10546 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10548 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10549 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10551 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10553 * tree.c, tree.h (build_parse_node): Remove; was identical to
10555 * c-lang.c (start_cdtor), objc/objc-act.c
10556 (build_module_descriptor): Use build_nt instead of
10559 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10561 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10562 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10563 not have any upper bits set.
10565 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10567 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10569 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10571 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10573 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10575 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10576 (integer_minus_one_node): Define.
10578 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10580 * Makefile.in (bootstrap2-lean): Fix typo.
10582 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10584 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10585 : Don't set fe_value.
10586 * cpplib.h (AVOID_LPASTE): New flag.
10587 (struct cpp_hashnode): Remove fe_value.
10588 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10589 * cppmacro.c (builtin_macro): Don't set flags here.
10590 (replace_args): Set AVOID_LPASTE flag on first token of an
10591 argument, and the token following it.
10592 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10593 macro expansion, and on the token following it. Do it for
10595 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10597 2001-01-27 Richard Henderson <rth@redhat.com>
10599 * config/alpha/t-ieee: Remove multilibbing.
10600 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10602 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10604 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10606 * Makefile.in: Remove all dependencies on defaults.h.
10607 * builtins.c: Don't include defaults.h.
10608 * c-common.c: Likewise.
10609 * c-decl.c: Likewise.
10610 * c-pragma.c: Likewise.
10611 * c-typeck.c: Likewise.
10612 * combine.c: Likewise.
10613 * i386.c: Likewise.
10614 * frame-ia64.c: Likewise.
10615 * cppexp.c: Likewise.
10616 * crtstuff.c: Likewise.
10617 * dbxout.c: Likewise.
10618 * dwarf2out.c: Likewise.
10619 * dwarfout.c: Likewise.
10620 * emit-rtl.c: Likewise.
10621 * except.c: Likewise.
10622 * expr.c: Likewise.
10623 * final.c: Likewise.
10624 * frame-dwarf2.c: Likewise.
10625 * libgcc2.c: Likewise.
10626 * optabs.c: Likewise.
10627 * profile.c: Likewise.
10628 * sdbout.c: Likewise.
10629 * toplev.c: Likewise.
10630 * tradcif.y: Likewise.
10631 * tree.c: Likewise.
10632 * varasm.c: Likewise.
10634 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10636 * builtins.c (expand_builtin_fputs): Use size_one_node when
10637 transforming into fwrite.
10639 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10641 * extend.texi (Attribute Syntax): New section.
10643 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10645 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10646 they didn't need fixing.
10648 2001-01-27 Janis Johnson <janis@us.ibm.com>
10650 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10652 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10653 to remove macro definitions that are duplicated from elfos.h.
10655 2001-01-27 Richard Henderson <rth@redhat.com>
10657 * config/i386/sco5gas.h: Move ...
10658 * config/usegas.h: ... here.
10659 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10661 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10663 * c-typeck.c (struct constructor_stack): Add range_stack member.
10664 (really_start_incremental_init): Clear it.
10665 (push_init_level): Save constructor_range_stack and clear it if
10666 pushing explicit braces.
10667 (pop_init_level): abort if constructor_range_stack is non-zero at
10668 explicit closing brace. Restore saved constructor_range_stack if
10671 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10673 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10674 into register was forced into memory.
10676 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10678 * Makefile.in: Remove uses of + before $(MAKE).
10680 2001-01-26 Richard Henderson <rth@redhat.com>
10682 * stmt.c (cost_table): Remove.
10683 (COST_TABLE, cost_table_initialized): New.
10684 (estimate_case_costs): Use the later instead of the former.
10685 (balance_case_nodes): Likewise.
10687 2001-01-26 Richard Henderson <rth@redhat.com>
10689 * alias.c (objects_must_conflict_p): Read-only slots may not
10690 conflict despite having the same type.
10692 2001-01-27 Michael Hayes <mhayes@redhat.com>
10694 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10696 (check_ext_dependant_givs): Initialise u_start_val and
10698 (load_mems): Make last_max_reg unsigned.
10699 (try_swap_copy_prop): Use INSN_P and initialise set.
10701 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10703 * README.AVR : Removed.
10705 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10707 * pa-64.h (text_section): Remove declaration.
10709 * pa.md (return_internal): Remove mode on PIC register use.
10711 2001-01-25 lars brinkhoff <lars@nocrew.org>
10713 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10714 ASM_CLOSE_PAREN): fix typos.
10716 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10718 * acconfig.h: Define `const' to the empty string if neither
10719 __STDC__ nor __cplusplus is defined.
10720 * config.in: Regenerated.
10722 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10724 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10725 * collect2.c (main): Delete importf. Add ".obj" file extension.
10726 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10727 (aix_std_libs): Add additional AIX libraries to skip.
10728 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10729 * config/rs6000/aix51.h: New file.
10731 2001-01-25 Michael Hayes <mhayes@redhat.com>
10733 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10734 (loop_insn_emit_before): No longer static.
10735 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10736 (loop_givs_rescan, load_mems): Likewise.
10737 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10738 (maybe_eliminate_biv_1):
10739 (move_movables): Replace emit_call_insn_before with
10740 loop_call_insn_hoist.
10741 * loop.h (loop_insn_emit_before): Add.
10742 * unroll.c (copy_loop_body): Replace emit_insn_before with
10743 loop_insn_emit_before.
10745 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10747 * diagnostic.c (fatal): Request preprocessed source.
10749 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10751 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10752 olddecl has argument types and newdecl has none, use the argument
10753 types from olddecl.
10755 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10757 * dwarf2out.c (prefix_of): New function. Determine longest common
10758 prefix of the two arguments. The units are whole path components.
10759 (output_file_names): When adding a new directory find the one entry
10760 with the longest common prefix already in the list. Artificially
10761 generate entry if there is none for this prefix.
10762 Fix test to check whether the zeroth directory entry is used.
10764 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10766 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10767 Changed all callers. Take it into account when deciding if a
10768 previously loaded value matches.
10770 2001-01-24 Richard Henderson <rth@redhat.com>
10772 * reload.c (find_reloads_subreg_address): Fail the substitution
10773 if the resulting address is insufficiently aligned.
10775 2001-01-24 DJ Delorie <dj@redhat.com>
10777 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10778 check the original operand's mode also.
10779 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10781 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10783 * c-parse.in (cast_expr): Move compound literals from here ...
10784 (primary): ... to here. Use standard terminology "compound
10785 literal" instead of "constructor expression".
10787 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10789 * gcc.1, cpp.1: Regenerate.
10791 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10793 * calls.c (emit_library_call_value_1): Memory slot for
10794 pass-by-reference argument should have the mode of the argument,
10795 not of the pointer to it.
10797 2001-01-24 Tom Tromey <tromey@redhat.com>
10799 * gcc.texi (G++ and GCC): Mention gcj manual.
10800 (Standards): Link to section of manual mentioning gcj/Java
10803 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10805 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10806 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10807 * tradcpp.c (main): Add -imacros or -include'd dependencies
10809 * cpp.texi (-M, -MM): Document -M -include behaviour.
10811 2001-01-24 Roger Collins <roger@ProProject.com>
10813 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10815 2001-01-24 Will Cohen <wcohen@redhat.com>
10817 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10818 whether registers are 32 bits or 64 bits in size.
10820 2001-01-24 Ben Elliston <bje@redhat.com>
10822 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10824 2001-01-24 Richard Henderson <rth@redhat.com>
10826 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10827 (builtin_longjmp): Use it instead of emit_indirect_jump.
10829 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10831 * bb-reorder.c (make_reorder_chain_1): Handle case where
10832 jump edge goes to the same block as the fallthru edge.
10834 2001-01-23 Jim Wilson <wilson@redhat.com>
10836 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10837 * frame.h (__ia64_personality_v1): Add prototype.
10838 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10839 prototype form. Add void * cast to first argument to personality
10841 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10842 (asctoe113): Likewise.
10843 * config/ia64/frame-ia64.c: Include eh-common.h.
10844 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10846 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10848 (itanium_split_issue): Add prototype.
10849 (gen_nop_type): Ifdef out.
10850 (find_best_packet): Initialize best_packet.
10851 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10853 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10854 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10855 (flushrs): Add explicit stop bit at end.
10856 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10859 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10861 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10863 * libgcc2.c (__terminate_func): Make variable static.
10864 (__terminate_set_func): New function to set __terminate_func.
10865 * libgcc2.h (__terminate_func_ptr): New typedef.
10866 (__terminate_set_func): New function.
10868 2001-01-23 Richard Henderson <rth@redhat.com>
10870 * flow.c (init_propagate_block_info): Don't consider unchanging
10871 memories for dead frame store elimination.
10873 2001-01-23 Richard Henderson <rth@redhat.com>
10875 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10876 * defaults.h: ... here.
10878 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10880 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10882 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10884 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10886 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10888 * rs6000.h (rs6000_return_addr): Move prototype from here...
10889 * rs6000-protos.h (rs6000_return_addr): ...to here.
10890 (rs6000_init_expanders): Delete prototype.
10892 2001-01-23 Nick Clifton <nickc@redhat.com>
10894 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10895 (Spec Files): Document %B and %j and %. and %v3 and %M and
10896 %{S*&T} spec switches.
10898 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10900 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10902 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10903 Neil Booth <neil@daikokuya.demon.co.uk>
10905 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10906 Have -Werror make pedantic warnings errors, like the
10909 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10911 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10913 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10915 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10916 * integrate.c (expand_inline_function): Initialize them.
10917 (subst_constants): If changing COMPARE so that both its arguments
10918 will be VOIDmode and the comparison mode will be lost, note
10919 compare_mode. Use the recorded compare_mode to optimize
10922 2001-01-23 Jason Merrill <jason@redhat.com>
10924 * dwarf2out.c (new_die): Use xcalloc.
10925 (output_die): Abort rather than emit a local reference to offset 0.
10927 2001-01-17 Andrew Haley <aph@redhat.com>
10929 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10930 of a saved register; return NULL instead.
10931 (copy_reg): Take a pointer to a source register rather than a
10933 (next_stack_level): Remember the address in the stack frame of all
10935 Use the saved register pointer array as the source of the CFA.
10936 (throw_helper): Rewrite. Unwind once rather than twice and keep
10937 track of saved registers as we go.
10939 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10941 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10942 * c4x.c (c4x_legitimize_reload_address): Remove.
10943 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10944 reload address for ldp(k) insn.
10946 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10948 * pa.md (return_internal): Add a USE of the PIC register to ensure
10949 it is restored after each call.
10950 (return expander): Corresponding changes.
10952 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10954 * rs6000.h (INIT_EXPANDERS): Delete.
10955 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10956 * rs6000.c (rs6000_override_options): Call *_machine_status from
10958 (rs6000_init_expanders): ...instead of here. Delete.
10959 (rs6000_mark_machine_status): New function.
10960 (rs6000_init_machine_status): Use xcalloc.
10961 (rs6000_return_addr): Generate RTX for the return address.
10962 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10963 (rs6000_stack_info): Use it.
10965 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10967 * gthr-win32.h: Include errno.h to get a declaration for
10968 EINVAL and _mingw.h if the target is mingw32.
10970 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10972 * cpp.texi: Correct typos.
10974 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10976 * explow.c (probe_stack_range): Ensure value passed to
10977 stack_check_libfunc is ptr_mode, not Pmode.
10979 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10981 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10982 case, don't use operand_subword to calculate a SUBREG that is
10985 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10987 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10989 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10990 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10991 valid. If not replace it by equivalent insns.
10993 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10995 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10996 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10997 (c4x_U_constraint, symbolic_address_operand): Likewise.
10998 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11000 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11001 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11002 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11003 anulling slot because of silicon bug.
11004 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11006 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11008 * cppexp.c (parse_charconst): Change `mask' type to agree
11011 2001-01-21 Richard Henderson <rth@redhat.com>
11013 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11014 pic_label_name in a linkonce section.
11016 2001-01-17 Philipp Thomas <pthomas@suse.de>
11018 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11020 * configure: Regenerate.
11022 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11024 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11025 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11027 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11029 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11030 If REVERSE nonzero then condition code in X must be reversed.
11031 (encode_section_info): Optimise if/else.
11032 (avr_function_value): Fix formatting.
11034 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11035 (difficult_branch): Likewise.
11036 (rvbranch): Likewise.
11037 (difficult_rvbranch): Likewise.
11039 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11041 * config/avr/libgcc.S: Fix comment.
11043 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11045 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11047 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11049 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11051 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11053 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11054 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11055 * configure, config.in: Regenerate.
11056 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11057 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11058 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11059 (doprint.o): New rule.
11061 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11063 * c-typeck.c (digest_init): Handle boolean types as scalars.
11065 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11067 * stmt.c (expand_return): Don't return anything if size is zero.
11068 Delete redundant assignment to BYTES.
11069 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11071 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11073 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11074 the same as the default library function names.
11075 * config/avr/avr.md: Document special characters after '%'.
11076 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11077 knowing which of the call-used registers are really clobbered.
11078 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11079 New. Both quotient and remainder from one libgcc.S call.
11080 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11081 clobber as few registers as possible.
11082 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11084 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11086 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11087 context of the top of the stack.
11089 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11091 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11092 (fixup_var_refs_insns): ...here.
11094 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11096 * function.c (fixup_var_refs_insns): Break up into
11097 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11098 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11099 [loop over hash table entries].
11100 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11101 fixup_var_refs_insns_with_hash, to match above changes.
11103 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11105 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11106 (libgcc.a): Likewise.
11107 (stmp-multilib): Likewise.
11108 (STAGE2_FLAGS_TO_PASS): Likewise.
11110 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11112 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11113 temporary if no_new_pseudos.
11115 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11117 * cppinternals.texi: Update.
11119 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11121 * arm.c (arm_init_builtins): Re-enable builtins.
11123 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11125 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11126 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11127 element to be null, and always expect an EXPR_LIST.
11128 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11129 * sched-deps.c (sched_analyze_1): Likewise.
11130 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11132 * regclass.c (max_set_parallel): New variable.
11133 (reg_scan): Take it into account in computation of max_parallel.
11134 (reg_scan_mark_refs, case SET): Compute it.
11136 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11138 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11139 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11141 2001-01-19 Jason Merrill <jason@redhat.com>
11143 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11144 for the abstract instance of an inline function.
11146 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11147 J"orn Rennecke <amylaar@redhat.com>
11149 * reload1.c (move2add_note_store): Treat all registers directly or
11150 indirectly derived from a base register as members of the same set
11152 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11153 of base register into account.
11155 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11157 * alias.c (find_base_value): Recognize TRUNCATE.
11158 (record_set): In PLUS case, invalidate if other summand is also a
11161 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11163 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11164 entry to be EXPR_LIST.
11165 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11166 be an EXPR_LIST (but not null, which other code doesn't allow).
11167 (note_stores): Properly handle PARALLEL in SET.
11168 Recursively call for top-level PARALLEL.
11169 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11170 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11172 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11174 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11176 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11177 not pfile->skipping (== 0).
11179 2001-01-17 Nick Clifton <nickc@redhat.com>
11181 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11184 2001-01-17 Jim Wilson <wilson@redhat.com>
11186 * invoke.texi (IA-64 options): Improve.
11188 2001-01-17 Tom Tromey <tromey@redhat.com>
11190 * invoke.texi (Optimize Options): Use `{}' to around @samp
11193 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11195 * invoke.texi (-fno-guess-branch-probability): New option.
11197 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11199 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11200 case of making new double-word constant.
11201 Revert last change: instead just test i3_subst_into_i2.
11203 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11205 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11206 Use q constraints instead of r.
11208 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11210 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11211 (machine_function): Define.
11212 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11213 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11214 pa_free_machine_status): New functions.
11215 (override_options): Set {init,mark,free}_machine_status to above.
11216 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11217 PIC_OFFSET_TABLE_REGNUM_SAVED.
11218 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11219 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11220 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11221 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11222 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11224 2001-01-15 DJ Delorie <dj@redhat.com>
11226 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11230 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11232 * flow.c (propagate_one_insn): Make trying to delete a prologue
11233 or epilogue insn an ICE, not a warning. Allow doing this if
11234 the current function returns with stack pointer depressed.
11236 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11237 I3 having more than one SET.
11239 2001-01-16 Jim Wilson <wilson@redhat.com>
11241 * invoke.texi: Document IA-64 options.
11243 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11244 (fixup_errata): Delete TARGET_A_STEP use.
11245 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11246 (TARGET_SWITCHES): Delete -ma-step option.
11247 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11248 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11249 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11250 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11251 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11252 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11254 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11255 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11256 cmovsi_internal): Delete ! TARGET_A_STEP check.
11258 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11260 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11261 possibility to report bugs via postal mail. Change a URL and
11262 merge in a nearly duplicate statement...
11263 (Bug Reporting): ...from here.
11264 (Service): Refer to the Bug Reporting section instead of
11265 duplicating an URL.
11266 (Contributing): Remove trivial explanations concerning snapshots.
11268 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11270 * cppmain.c (general_init): Don't use ANSI prototype.
11272 2001-01-16 Tom Tromey <tromey@redhat.com>
11274 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11276 2001-01-16 Richard Henderson <rth@redhat.com>
11278 * config/i386/i386.h: Fix comment typo.
11279 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11280 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11282 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11284 * gcc.c: Revert previous -fsyntax-only-related change; move
11287 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11289 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11290 inmode after checking GET_CODE (op).
11292 2001-01-16 Richard Henderson <rth@redhat.com>
11294 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11295 (MAX_MEM_SET_LIST_LEN): New.
11296 (propagate_one_insn): Update mem_set_list_len.
11297 (invalidate_mems_from_autoinc): Likewise.
11298 (invalidate_mems_from_set): Likewise.
11299 (mark_used_regs): Likewise.
11300 (init_propagate_block_info): Likewise. Stop collecting memories
11301 when we reach MAX_MEM_SET_LIST_LEN.
11302 (mark_set_1): Likewise.
11304 2001-01-16 Richard Henderson <rth@redhat.com>
11306 * unroll.c (precondition_loop_p): Fail if no iteration
11309 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11311 * gcc.c: When -fsyntax-only is given, do not complain about
11314 2001-01-15 Richard Henderson <rth@redhat.com>
11316 * config/i386/i386.c (asm_output_function_prefix): Remove.
11317 (ix86_asm_file_end): New.
11318 (load_pic_register): Generate pic_label_name into a
11319 staticly allocated buffer.
11320 * config/i386/i386-protos.h: Update.
11321 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11322 (ASM_FILE_END): New.
11323 * config/i386/i386afe.h: New file.
11324 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11325 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11326 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11327 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11328 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11329 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11330 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11332 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11334 * Makefile.in (install-man): Remove explicit dependency on
11337 * configure.in, configure: Revert previous patch requiring perl
11340 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11342 * toplev.c (flag_guess_branch_prob): New.
11343 (f_options): Add guess-branch-probability option.
11344 (rest_of_decl_compilation): Only estimate branch probability if
11346 (main): set flag_guess_branch_prob.
11348 * flags.h (flag_guess_branch_prob): New.
11350 2001-01-15 DJ Delorie <dj@redhat.com>
11352 * gcc.texi (Makefile): Add documentation for Makefile targets.
11354 2001-01-15 Philip Blundell <philb@gnu.org>
11356 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11358 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11359 (is_pic): Delete declaration.
11360 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11361 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11362 * config/arm/arm.md (builtin_setjmp_receiver): New.
11364 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11366 * arm.c (use_return_insn): Don't try to determine the function type
11367 until after reload has completed.
11368 (arm_output_epilogue): Don't adjust the sp value recovered from the
11370 (emit_multi_reg_push): Don't record dwarf information for the pc.
11371 * arm.md (eh_epilogue): The function type may have changed, so it
11372 needs to be recalculated.
11373 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11374 unwind tables on arm/netbsd.
11376 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11378 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11379 (negated_cbranchsi4): Likewise.
11381 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11383 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11384 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11385 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11386 pass -mapcs-* options to assembler.
11387 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11388 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11389 (ASM_SPEC): Call subtarget_extra_asm_spec.
11391 2001-01-15 Andreas Jaeger <aj@suse.de>
11393 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11395 (ix86_expand_builtin): Likewise.
11397 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11398 warning about comparison between signed and unsigned.
11400 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11402 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11404 2001-01-14 Ralf Baechle <ralf@gnu.org>
11406 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11407 SUBTARGET_CPP_SPEC apropriatly.
11409 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11411 * varasm.c (make_decl_rtl): Fix typo in last change.
11413 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11415 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11416 linker supports the init_priority C++ attribute.
11417 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11418 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11419 linker does not support init_priority C++ attribute.
11421 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11423 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11425 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11427 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11428 * cp/lex.c (finish_parse): Similarly.
11429 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11430 Return the number of errors encountered.
11431 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11432 * cppmain.c (main): Don't call cpp_destroy.
11434 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11436 * configure.in: Require at least perl 5.6.0 to regenerate
11438 * configure: Regenerate.
11440 2001-01-14 Richard Henderson <rth@redhat.com>
11442 * genrecog.c (DT_veclen_ge): New.
11443 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11444 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11445 (nodes_identical_1): Handle DT_veclen_ge.
11446 (write_cond, debug_decision_2): Likewise.
11448 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11450 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11452 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11454 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11456 * cppmain.c (do_preprocessing): New function; most of the old
11458 (main): Call it to do most of the work.
11459 (cb): Move from global scope to set_callbacks ().
11460 (setup_callbacks): Get the callback pointer.
11461 (general_init, printer_init): Clean up code and comments.
11463 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11465 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11468 2001-01-14 Kazu Hirata <kazu@hxi.com>
11470 * config/h8300/h8300.c (get_shift_alg): Update comments.
11472 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11474 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11475 (alloc_page, ggc_alloc): Add casts to remove warnings.
11477 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11479 * combine.c (simplify_comparison): Don't change `code' when
11480 can't reverse comparison.
11482 2001-01-14 Richard Henderson <rth@redhat.com>
11484 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11485 update all call sites. Return true for all non-label constants.
11487 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11489 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11491 (ix86_expand_branch): Update.
11492 (ix86_expand_setcc): Update to handle multiple test conditions.
11493 (expand_int_movcc): Likewise.
11494 (expand_fp_movcc): Likewise.
11495 * i386-protos.h (ix86_expand_compare): New.
11496 * i386.md (andqi_?_slp, orqi_?_slp): New.
11497 (conditional trap expander): Update call to ix86_expand_compare.
11499 2001-01-14 Richard Henderson <rth@redhat.com>
11501 * config/vax/vax.md: Use nonimmediate_operand instead of
11502 general_operand in destinations.
11504 * config/vax/vax.md (indirect_jump): Use register_operand.
11506 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11507 * config/vax/vax.md (call_pop): Turn into an expander.
11508 (call_value_pop): Likewise.
11509 (call, call_value): New.
11511 2001-01-14 Andreas Jaeger <aj@suse.de>
11513 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11515 (ix86_fp_compare_mode): Add unused attribute.
11516 (ix86_expand_fp_movcc): Remove unused variable.
11517 (ix86_expand_builtin): Make fcode unsigned.
11519 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11520 (expand_expr): Add cast to avoid signed warning.
11521 (store_field): Likewise.
11522 (store_constructor_field): Likewise.
11523 (store_constructor): Likewise.
11524 (store_expr): Likewise.
11525 (clear_storage): Likewise.
11526 (emit_group_store): Likewise.
11527 (emit_group_load): Likewise.
11529 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11531 * c-common.c: Move format checking code to ...
11532 * c-format.c: ... here. New file. Reorder some functions and
11534 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11536 * c-common.h (decl_handle_format_attribute,
11537 decl_handle_format_arg_attribute): Declare.
11538 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11539 (c-common.o): Adjust dependencies.
11540 (c-format.o): New list of dependencies.
11542 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11544 * unroll.c (loop_iterations): If we cannot prove iteration variable
11545 is set once in each iteration, punt.
11547 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11549 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11550 (*strlenhi): Remove clobber (which was buggy) of output address.
11552 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11554 * Makefile.in (generated-manpages): Add gcc.1
11555 ($(srcdir)/gcc.1): New target.
11556 (maintainer-clean): Delete $(srcdir)/gcc.1.
11557 * gcc.texi: Add macros @gccoptlist and @gol.
11558 * invoke.texi: Include option summary in manpage. Mark up option
11559 summary with @gccoptlist and @gol. Use @r in one place where
11561 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11562 * gcc.1: Generate from invoke.texi.
11564 2001-01-13 Richard Henderson <rth@redhat.com>
11566 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11567 (struct page_entry): Add group member.
11568 (struct page_group): New.
11569 (struct globals): Add page_groups member.
11570 (alloc_anon): Only define for using mmap; remove valloc call.
11571 (page_group_index): New.
11572 (set_page_group_in_use): New.
11573 (clear_page_group_in_use): New.
11574 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11575 (free_page, release_pages): Likewise.
11576 * configure.in (with-gc): Default to ggc-page always.
11578 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11580 * reload1.c (replace_pseudos_in_call_usage): Use
11581 reg_equiv_constant and reg_equiv_address, and don't try
11582 regno_reg_rtx first.
11584 2001-01-13 Richard Henderson <rth@redhat.com>
11586 * ggc-page.c (alloc_page): Round up allocation size to one page.
11587 Set e->order on extra pages.
11589 2001-01-13 Richard Henderson <rth@redhat.com>
11591 * genrecog.c (nodes_identical): Expand commentary.
11592 (write_switch): Watch out for identical nodes.
11594 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11596 * cppfiles.c (_cpp_fake_include): New function.
11597 * cpphash.h (_cpp_fake_include): New.
11598 * cpplib.c (do_line): Call _cpp_fake_include when entering
11599 header files in preprocessed input.
11600 * cppmain.c (cb_pragma_implementation): Remove handling.
11601 (setup_callbacks): Don't register pragmas.
11603 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11605 * extend.texi: Udate for CPP.
11607 2001-01-13 Andreas Jaeger <aj@suse.de>
11609 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11611 * regmove.c: Add prototype for replace_in_call_usage.
11613 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11615 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11616 struct cpp_chunk, struct htab, struct toklist,
11617 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11618 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11619 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11620 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11621 (struct macro_args): Delete.
11622 * cpphash.h: See above.
11624 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11626 * cppmain.c (struct printer): Remove no_line_dirs.
11627 (options, cb): New.
11628 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11629 : Use options rather than CPP_OPTION.
11630 (setup_callbacks): Use cb rather than pfile->cb.
11631 (main): No need to check for a buffer. Use cpp_errors.
11632 (printer_init): Don't set no_line_dirs.
11633 (maybe_print_line): Use options not no_line_dirs.
11634 (cb_file_change): Don't call print_line if -P.
11636 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11638 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11640 * c-parse.in (finish_parse): Use cpp_errors.
11641 (__yylex): Use return value of cpp_pop_buffer.
11642 * cp/lex.c (finish_parse): Use cpp_errors.
11643 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11645 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11647 * README.AVR: URLs corrected.
11649 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11651 * c-decl.c (start_function): Don't warn if old prototype is builtin
11652 that's not in C's namespace.
11653 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11654 (_bb): Add prototype for ctime.
11655 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11657 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11659 * i386.c (ix86_fp_comparison_arithmetics_cost,
11660 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11661 ix86_fp_comparison_cost): New functions.
11662 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11663 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11664 two-branch sequences; make static.
11665 (ix86_use_fcomi_compare): Do decision according to the costs.
11666 (split_fp_branch): New.
11667 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11668 * i386-protos.h (ix86_expand_fp_compare): Remove
11669 (ix86_split_fp_branch): Declare.
11671 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11672 and ix86_comparison_operator.
11674 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11675 to make it cheaper.
11677 * i386.c (put_condition_code): Output properly the unordered/ordered
11678 compares in fp case.
11679 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11681 * tm.texi (REVERSE_CONDITION): Document.
11682 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11683 in -ffast-math mode.
11684 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11686 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11688 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11690 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11693 * config/sh/sh.c (mova_p): Fix test for mova_const.
11695 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11697 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11698 cpp_get_options rather than dereferencing pfile and using
11700 * scan-decls.c (scan_decls): Use return value of
11701 cpp_pop_buffer rather than CPP_BUFFER.
11703 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11705 * cppinit.c (cpp_handle_option): help_only is now part of the
11706 cpp_options structure.
11707 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11708 cpp_set_callbacks): New functions.
11709 * cpplib.h (cpp_callbacks): Break out as a named structure.
11710 (cpp_options): Move help_only here from cpp_reader.
11711 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11712 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11713 cpp_set_callbacks): New prototypes.
11714 * cppmain.c (main): Update for help_only.
11716 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11718 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11719 Also build and remove and install and uninstall c-tree.info and
11721 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11722 ($(srcdir)/cppinternals.info): New target.
11723 * c-tree.texi: Change file name used when makeinfo used without -o
11724 from ir.info to c-tree.info. Add info directory entry.
11725 * cppinternals.texi: Add info directory entry.
11726 * .cvsignore: Update.
11728 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11730 * c-typeck.c (store_init_value): Don't require constant initializer
11731 elements with -pedantic -std=c99.
11732 (digest_init): Change error about non-constant initializer elements
11734 (constructor_range_end): Remove.
11735 (constructor_incremental, designator_depth,
11736 designator_errorneous): New variables.
11737 (struct constructor_stack): Remove range_end, add incremental.
11738 (struct constructor_range_stack, constructor_range_stack): New.
11739 (struct initializer_stack): Add constructor_range_stack.
11740 (finish_init): Set it.
11741 (start_init): Likewise. require_constant_elements for non-static
11742 trees only if not flag_isoc99.
11743 (really_start_incremental_init): Remove constructor_range_end, add
11744 constructor_incremental.
11745 (pop_init_level): Likewise.
11746 (push_init_level): Likewise. If implicit and the subobject had some
11747 value set already, preinitialize the level with it.
11748 Warn about missing braces only if not pushing due to designators.
11749 (set_designator, push_range_stack): New functions.
11750 (set_init_label): Use them.
11751 (set_init_index): Likewise. Remove constructor_range_end.
11752 Error if designator index is outside of array bounds.
11753 (add_pending_init): Compare values of purpose index trees, not the
11754 trees themselves. Allow overwriting of already initialized element.
11755 Issue a warning if it had side-effects.
11756 (set_nonincremental_init, set_nonincremental_init_from_string): New
11758 (pending_init_member): Rename to...
11759 (find_init_member): ...this function. Call set_nonincremental_init
11760 if necessary. Compare values of purpose index trees, not the trees
11761 themselves. Return the actual value, not just non-zero if something
11763 (output_init_element): Remove checks for duplicates.
11764 If field has zero size, only check the initializer for correctness.
11765 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11766 if constructor_incremental is zero. Change error about initializers
11767 not computable at load time into pedwarn.
11768 (output_pending_init_elements): Compare bit positions, not
11769 FIELD_DECLs to take into account zero-sized fields.
11770 (process_init_element): Use constructor_range_stack to fill all
11771 ranges in the designator lists from current level up.
11772 * extend.texi: Update documentation for labeled elements.
11774 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11776 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11777 to function usage for arguments passed by reference. Optimize
11778 callee-copied arguments.
11779 * regmove.c (replace_in_call_usage): New function.
11780 (fixup_match_1): Call it.
11781 * cse.c (cse_insn): Canonicalize registers in function usage.
11782 * reload1.c (replace_pseudos_in_call_usage): New function.
11785 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11788 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11790 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11793 2001-01-12 DJ Delorie <dj@redhat.com>
11795 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11796 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11799 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11801 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11802 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11803 -std options alongside references to -ansi. Update some
11804 documentation for C99.
11805 * cpp.1: Regenerate.
11807 2001-01-12 Andreas Jaeger <aj@suse.de>
11809 * haifa-sched.c (restore_line_notes): Remove argument block B
11811 * sched-ebb.c (schedule_ebb): Change caller.
11812 * sched-rgn.c (schedule_region): Likewise.
11813 * sched-int.h (restore_line_notes): Adjust prototype.
11815 * loop.h: Remove wrong declaration of doloop_condition_get.
11817 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11819 * extend.texi: Move C++-extension-related node from the C section
11820 into the C++ section.
11822 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11824 * extend.texi: Refer to an array of pointers to functions instead
11825 of one of functions.
11827 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11828 Jan Hubicka <jh@suse.cz>
11830 * combine.c (reversed_comparison): Fix typo in last patch.
11832 (combine_reversed_comparison_code): Make static to follow
11833 prototype declaration.
11835 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11837 * install.texi: Remove misplaced duplicate entry.
11839 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11841 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11843 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11845 * final.c: (leaf_function_p): Fix typo.
11847 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11849 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11850 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11852 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11853 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11854 mmap_anon, and valloc is available.
11855 * ggc-page.c: Restructure ifdef logic to match new autoconf
11856 spec. Don't throw away the test page in init_ggc.
11858 * configure, config.in: Regenerate.
11860 2001-01-12 Michael Hayes <mhayes@redhat.com>
11862 * loop.h (total_biv_increment): Constify iv_class pointer.
11863 (struct induction): Replace `mem_mode' with `mem' rtx.
11864 * unroll.c (total_biv_increment): Constify iv_class pointer.
11865 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11866 (find_mem_givs, combine_givs_p): Likewise.
11867 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11869 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11871 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11873 (__gthread_getspecific): Ditto.
11875 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11877 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11878 put_condition_code): Convert fp comparison codes to integer
11880 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11883 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11884 * i386-protos.h (no_comparison_operator): Kill.
11886 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11888 * combine.c (REVERSIBLE_CC_MODE): Remove.
11889 (reversible_comparison_p): Remove.
11890 (combine_reversed_comparison_code): New.
11891 (reversed_comparison): New.
11892 (combine_simplify_rtx): Use
11893 combine_reversed_comparison_code/reversed_comparison instead
11894 of reversible_comparison_p.
11895 (simplify_if_then_else): Likewise.
11896 (simplify_set): Likewise.
11897 (simplify_logical): Likewise.
11898 (if_then_else_cond): Likewise.
11899 (known_cond): Likewise.
11900 (simplify_comparison): Likewise.
11902 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11904 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11905 sizeof (int) is larger than sizeof(__word__).
11907 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11909 * cppinit.c (do_includes): Fix typo.
11911 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11913 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11914 in S_REGS does not occur because not all sources are possible
11915 when a S_REGS is a destination (sometimes needs a clobber).
11916 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11917 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11918 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11919 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11920 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11921 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11922 (lshrdi_const1, lshrsi3_const16): Likewise.
11923 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11924 (*movhi_68hc12, *movqi_68hc12): Likewise.
11925 (movstrictqi): Make sure reloading in D_REGS as a destination
11928 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11930 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11932 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11934 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11935 -D, -U and -A, and don't initialize the builtins.
11936 (do_includes): Error if -include or -imacros with -fpreprocessed.
11937 * cppmain.c (cb_define, cb_undef): Unconditionally process
11939 * tradcpp.c (main): Fix typo.
11941 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11943 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11944 (read_name_map): Use IS_ABSOLUTE_PATH.
11945 * tradcpp.c (get_filename): Likewise.
11947 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11949 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11950 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11951 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11952 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11953 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11954 (cmphi_z_used): Don't use '@' for the output.
11955 (tstqi_z_used): Likewise.
11956 (cmpqi_z_used): Likewise.
11957 (one_cmplsi2): Likewise.
11959 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11961 * config/sh/sh.c (barrier_align): Recognize branch around far
11962 branch and redundant insn.
11964 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11966 * invoke.texi: Restore documentation of the drivers' switches -MD
11969 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11971 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11973 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11974 check-objc//%): Support parallel testing of multilibs.
11975 (TESTSUITEDIR): Set to testsuite by default, but override for
11977 (check-gcc, check-g++, check-g77, check-objc): Enter
11980 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11982 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11983 * sched-deps.c (deps_may_trap_p): Likewise.
11984 * basic-block.h: Remove a comment.
11985 * flow.c (PROP_POSTRELOAD): Remove.
11986 (update_life_info): Don't add it to prop_flags.
11987 (mark_set_1): Lose the code that was enabled by it.
11989 2001-01-11 Michael Hayes <mhayes@redhat.com>
11991 * flow.c (flow_call_edges_add): New.
11992 * basic_block.h (flow_call_edges_add): New.
11994 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11996 * reload1.c (move2add_note_store): Update reg_set_luid even if
11997 base reg remains the same.
11999 2001-01-10 Nick Clifton <nickc@redhat.com>
12001 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12002 machine_function structure to zero.
12003 Add prototypes for machine_status functions.
12005 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12007 * c-common.h (CTI_VOID_LIST): Remove.
12008 (void_list_node): Likewise.
12009 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12010 (void_list_node): New macro.
12011 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12012 * config/i386/i386.c (ix86_init_builtins): Likewise.
12013 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12015 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12017 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12018 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12020 * tradcpp.c: Include mkdeps.h.
12021 (deps, print_deps_phony_targets, deps_append, output_deps,
12022 init_dependency_output, output_deps): New.
12023 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12024 deps_output): Delete.
12025 (print_deps_missing_files): Rename deps_missing_files.
12026 (inhibit_output): Make global.
12027 (main): Delete inhibit_output, deps_stream, deps_target.
12028 Use mkdeps functionality in the same way as cpplib. Remove
12029 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12030 -M and -MM. Remove old handling of deps via deps_out, and
12031 old reading of environment variables.
12032 (get_filename): Update to use deps_add_dep.
12034 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12036 * output.h (make_function_rtl): Remove prototype.
12037 (make_decl_rtl): Likewise.
12038 * varasm.c (make_function_rtl): Remove.
12039 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12040 than from a third parameter.
12041 * tree.h (make_decl_rtl): Remove last parameter.
12042 * c-decl.c (builtin_function): Remove last argument in call to
12043 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12044 (start_function): Likewise.
12045 * except.c (call_get_eh_context): Likewise.
12046 * expr.c (emit_block_move): Likewise.
12047 (clear_storage): Likewise.
12048 * profile.c (output_func_start_profiler): Likewise.
12049 * toplev.c (rest_of_decl_compilation): Likewise.
12050 * objc/objc-act.c (create_builtin_decl): Likewise.
12051 (synth_module_prologue): Likewise.
12052 (generate_static_reference): Likewise.
12053 (build_selector_reference_decl): Likewise.
12054 (build_class_reference_decl): Likewise.
12055 (build_objc_string_decl): Likewise.
12056 (build_protocol_reference): Likewise.
12058 2001-01-10 Richard Henderson <rth@redhat.com>
12060 * hwint.h: Revert yesterday's change.
12062 2001-01-10 Nick Clifton <nickc@redhat.com>
12064 * function.h (save_machine_status): Delete.
12065 (restore_machine_status): Delete.
12066 Amend comment describing {init|mark|free}_machine_status.
12068 * function.c (save_machine_status): Delete.
12069 (restore_machine_status): Delete.
12070 Amend comment describing {init|mark|free}_machine_status.
12071 (push_function_context_to): Remove invocation of
12072 save_machine_status.
12073 (pop_function_context_from): Remove invocation of
12074 restore_machine_status.
12076 * emit-rtl.c (init_emit_once): Amend comment describing
12077 {init|mark|free}_machine_status.
12079 * tm.texi (Per-Function Data): New node. Describe the
12080 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12083 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12085 * cppinit.c (OPT_g): Remove.
12086 (cpp_handle_option): Update for removed -g3.
12087 (print_help): Update.
12088 * cpplib.h (struct cpp_options): Remove debug_output.
12089 * cppmain.c (setup_callbacks, cb_define): Update.
12090 * gcc.c (cpp_options): Translate -g3 to -dD.
12092 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12094 * config/i960/i960.md: Change modifier to + on the zero_extract
12095 pattern after the (rotate -2 reg) canonicalization pattern.
12097 2001-01-10 Richard Henderson <rth@redhat.com>
12099 * config/alpha/alpha.c (alpha_free_machine_status): New.
12100 (override_options): Install it.
12101 (alpha_mark_machine_status): Verify machine non-null.
12102 * config/i386/i386.c (ix86_free_machine_status): New.
12103 (override_options): Install it.
12104 (ix86_init_machine_status): Use xcalloc.
12105 (ix86_mark_machine_status): Verify machine non-null.
12106 * config/ia64/ia64.c (ia64_free_machine_status): New.
12107 (ia64_override_options): Install it.
12108 (ia64_mark_machine_status): Verify machine non-null.
12110 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12112 * function.c (instantiate_virtual_regs): Instantiate virtual
12113 registers found in CALL_INSN_FUNCTION_USAGE.
12115 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12117 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12118 equivalent to -ansi in disabling -Di386.
12120 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12122 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12124 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12126 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12128 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12130 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12132 * invoke.texi: Document that -fcond-mismatch isn't supported for
12135 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12137 * gcc.texi: Define macro gcctabopt.
12138 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12139 @command, @env and @option in some places where appropriate. Use
12140 @gcctabopt where appropriate. Put URLs and email addresses inside
12143 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12145 * gcc.c (cpp_options): Set MD file name from output
12146 filename, if specified.
12147 (suffix_subst): New static variable.
12148 (do_spec): Clear it.
12149 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12151 (give_switch): Handle suffix_subst.
12153 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12155 * invoke.texi: Fix another typo.
12157 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12159 * invoke.texi: Fix typo.
12161 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12163 * c-lang.c (lang_hooks): Update.
12164 (lang_decode_option): Remove.
12165 (lang_init_options): Rename c_init_options.
12166 * toplev.c (main): Use lang_hooks for lang_init_options
12167 and lang_decode_option.
12168 * toplev.h (lang_hooks): Add 2 new hooks.
12169 * tree.h: Remove lang_init_options and lang_decode_option.
12170 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12171 * cp/decl2.c: Similarly.
12172 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12173 (lang_hooks): Update.
12174 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12176 (lang_init_options): Rename ffe_init_options.
12177 (lang_hooks): Update.
12178 (lang_decode_option): Remove.
12179 * java/lang.c (lang_init_options): Rename java_init_options.
12180 (lang_decode_option): Rename java_decode_option.
12181 (lang_hooks): Update.
12182 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12183 (lang_decode_option): Rename objc_decode_option.
12184 (lang_hooks): Update.
12186 2001-01-09 Nick Clifton <nickc@redhat.com>
12188 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12189 (d30v_return_addr_rtx): Delete.
12190 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12191 cfun->machine structure.
12192 (struct machine_function): Move to d30v.h
12193 (d30v_save_machine_status): Delete.
12194 (d30v_restore_machine_status): Delete.
12195 (d30v_init_machine_status): New Function.
12196 (d30v_mark_machine_status): New Function.
12197 (d30v_free_machine_status): New Function.
12198 (d30v_init_expanders): Use new functions.
12199 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12200 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12201 d30v_return_addr_rtx.
12203 * config/d30v/d30v.h (struct_machine): Move here.
12204 Add eh_epilogue_sp_ofs field.
12206 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12207 field in cfun->machine structure.
12209 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12211 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12212 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12213 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12215 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12217 * objc/lang-options.h: Remove bogus reference to
12220 2001-01-09 Kazu Hirata <kazu@hxi.com>
12222 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12225 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12227 * reload.c (find_reloads_address): Check for eliminable registers
12228 when substituting a constant expression for a pseudo.
12230 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12232 * c-common.c (enum format_type): Add format_type_error.
12233 (decode_format_type): New function.
12234 (decl_attributes): Use it.
12235 (format_kind_info): Adjust comment.
12237 2001-01-09 David O'Brien <obrien@BSDi.com>
12239 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12240 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12242 * config/i386/gnu.h: Don't include required platform specific .h files,
12243 tm.h will do it instead.
12244 * config/i386/i386elf.h: Likewise.
12245 * config/i386/linux.h: Likewise.
12246 * config/i386/moss.h: Likewise.
12247 * config/mips/gnu.h: Likewise.
12249 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12251 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12252 (rs6000-ibm-aix3.[01]*): Likewise.
12253 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12254 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12255 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12256 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12257 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12258 (powerpc-*-eabiaix*): Likewise.
12259 (powerpc-*-eabisim*): Likewise.
12260 (powerpc-*-elf*): Likewise.
12261 (powerpc-*-eabi*): Likewise.
12262 (powerpc-*-rtems*): Likewise.
12263 (powerpc-*-linux*libc1): Likewise.
12264 (powerpc-*-linux*): Likewise.
12265 (powerpc-wrs-vxworks*): Likewise.
12266 (powerpcle-wrs-vxworks*): Likewise.
12267 (powerpcle-*-sysv*): Likewise.
12268 (powerpcle-*-elf*): Likewise.
12269 (powerpcle-*-eabisim*): Likewise.
12270 (powerpcle-*-eabi*): Likewise.
12271 (powerpcle-*-solaris2*): Likewise.
12272 * config/rs6000/aix31.h: Delete includes.
12273 * config/rs6000/aix3newas.h: Likewise.
12274 * config/rs6000/aix41.h: Likewise.
12275 * config/rs6000/aix43.h: Likewise.
12276 * config/rs6000/beos.h: Likewise.
12277 * config/rs6000/rtems.h: Likewise.
12278 * config/rs6000/sysv4.h: Likewise.
12280 2001-01-09 Kazu Hirata <kazu@hxi.com>
12282 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12283 Change an argument mode of machine_mode to shift_mode of
12284 shift_mode. Remove an extra error check.
12285 (emit_a_shift): Adopt to the new calling prototype of
12287 (function_prologue): Fix code for a monitor
12288 function. Support H8/S.
12289 (function_epilogue): Do not output pop for a monitor function.
12291 2001-01-09 Nick Clifton <nickc@redhat.com>
12293 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12294 (setup_incoming_varargs): Use sysv_varargs_p field of the
12295 cfun->machine structure.
12296 (struct machine_function): Move to rs6000.h
12297 (rs6000_save_machine_status): Delete.
12298 (rs6000_restore_machine_status): Delete.
12299 (rs6000_init_machine_status): New Function.
12300 (rs6000_free_machine_status): New Function.
12301 (rs6000_init_expanders): Use new functions.
12303 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12305 (struct machine_function): Move here.
12307 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12308 sysv_varargs_p field of the cfun->machine structure.
12310 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12312 (rs6000_restore_machine_status): Remove prototype.
12314 2001-01-09 Richard Henderson <rth@redhat.com>
12316 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12317 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12318 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12319 (sched_analyze_2, sched_analyze_insn): Likewise.
12320 (sched_analyze, init_deps): Likewise.
12321 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12322 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12323 (compute_block_backward_dependences): Update propagate_deps call.
12325 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12327 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12329 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12331 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12332 (cpp_handle_option): Handle them.
12333 (cpp_post_options): Ensure one of -M or -MM is specified with
12334 any other -M? option.
12335 (init_dependency_output): Suppress output with -MG.
12337 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12339 * cpp.texi: Update.
12340 * invoke.texi: Update.
12342 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12344 * sh.md (reload_outsf): Generate recognizable patterns for
12347 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12349 * c-lang.c (lang_hooks): Update.
12350 (lang_init): Rename c_init.
12351 (lang_finish): Remove.
12352 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12353 and lang_finish ().
12354 * toplev.h (lang_hooks): Add init () and finish ().
12355 * tree.h (lang_init, lang_finish): Remove.
12356 * cp/tree.h (lang_init, lang_finish): Remove.
12357 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12358 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12360 (lang_init, lang_finish): Remove.
12361 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12362 (lang_hooks): Update.
12363 * java/lang.c (lang_init): Rename java_init.
12364 (lang_finish): Remove.
12365 (lang_hooks): Update.
12366 * objc/objc-act.c (lang_init): Rename objc_init.
12367 (lang_finish): Remove.
12368 (lang_hoooks): Update.
12370 20001-01-09 Graham Stott <grahams@redhat.com>
12372 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12373 after `ptr` is initialised.
12375 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12377 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12378 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12379 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12380 stack adjusts, instead of r3.
12382 2001-01-09 Michael Hayes <mhayes@redhat.com>
12384 * flow.c (flow_loop_scan): Break out of ...
12385 (flow_loops_find) ... here.
12386 * basic-block.h (flow_loop_scan): New.
12387 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12388 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12390 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12392 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12394 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12395 realloc()ing macro_buffer.
12397 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12398 if it's wider than long and the target's long is wider than the
12401 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12403 Remove support for using UWIN as a host machine.
12404 * configure.in: Issue an error message.
12405 * configure: Regenerated.
12406 * config.gcc: Remove xm_* UWIN configury.
12407 * config/i386/xm-uwin.h: Remove.
12409 2001-01-08 Nick Clifton <nickc@redhat.com>
12411 * config/v850/v850.c (ra_rtx): Delete.
12412 (v850_save_machine_status): Delete.
12413 (v850_restore_machine_status): Delete.
12414 (v850_init_machine_status): New function.
12415 (v850_mark_machine_status): New function.
12416 (v850_free_machine_status): New function.
12417 (v850_return_addr): Use ra_rtx field in machine structure.
12418 (v850_init_expanders): Use new functions.
12420 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12421 * config/v850/v850.c: Change arguments to v850_output+* functions
12422 to take a const char *, to avoid compile time warning.
12423 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12424 (USER_LABEL_PREFIX): Redefine.
12426 2000-01-08 Jim Wilson <wilson@redhat.com>
12428 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12429 1 to unsigned HOST_WIDE_INT before left shift.
12431 2001-01-08 Nick Clifton <nickc@redhat.com>
12433 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12434 the machine structure has been allocated.
12435 (arm_free_machine_status): New function: Free the machine
12436 specific function structure.
12438 2001-01-08 Richard Henderson <rth@redhat.com>
12440 * jump.c (simplejump_p): Revert last change.
12442 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12444 * cppinit.c (init): Rename init_library.
12445 (cpp_create_reader): Update.
12446 * gcc.c (cpp_options): If -o given, use it as the target of
12449 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12451 * arm.c (arm_arch5e): New variable.
12452 (all_cores): XScale is a 5TE device.
12453 (arm_override_options): Set arm_arch5e.
12454 (arm_init_builtins): __builtin_prefetch is in arch5e.
12455 * arm.h (arm_arch5e): Declare it.
12457 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12459 * arm.md (define_constants): Add defines for UNSPEC and
12460 UNSPEC_VOLATILE insns. Update all users.
12461 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12462 * arm.c (multi_register_push, note_invalid_constants)
12463 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12464 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12465 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12467 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12469 * jump.c (jump_optimize_1): Use reversed_comparison_code
12470 instead of can_reverse_comparison_p.
12471 (jump_back_p): Likewise.
12472 (invert_exp_1): Likewise.
12473 (thread_jumps): Likewise.
12474 * simplify-rtx.c (simplify_unary_operation): Likewise.
12475 (simplify_ternary_operation): Likewise.
12476 * cse.c (find_comparison_args): Convert to use
12477 can_reverse_comparison_p.
12478 (record_jump_equiv): Likewise.
12480 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12482 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12483 (EPILOGUE_USES): Define.
12484 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12485 automatically stack the LR if it isn't live.
12487 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12489 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12492 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12494 * ggc-page.c (max_alignment): New structure.
12495 (MAX_ALIGNMENT): New macro.
12496 (init_ggc): Use it to round up the sizes in the
12497 extra_order_size_table.
12499 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12501 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12504 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12506 * builtins.def (BUILT_IN_FPRINTF): New entry.
12508 * c-common.c (c_expand_builtin_fprintf): New function.
12509 (init_function_format_info): Handle __builtin_fprintf.
12510 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12511 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12513 * c-decl.c (duplicate_decls): Adjust comment.
12515 * extend.texi (fprintf): Document new builtin.
12517 2001-01-07 Richard Henderson <rth@redhat.com>
12519 * jump.c (simplejump_p): Recognize any single_set jump
12520 of the proper form.
12522 2001-01-07 Richard Henderson <rth@redhat.com>
12524 * configure.in (slibdir): Accept an --with-slibdir option.
12525 Use "test" not "[" in configure. Default to $(libdir).
12527 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12529 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12530 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12531 (SHLIB_LINK): Create links for the soname.
12532 * config/mips/t-iris6: Likewise.
12533 * config/sparc/t-slibgcc: Likewise.
12534 * config/sparc/t-slibgcc-sld: Likewise.
12536 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12538 * config/i386/i386.c (constant_call_address_operand): Accept
12539 (const (plus (symbol_ref) (const_int))).
12540 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12541 constant_call_address_operand.
12543 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12545 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12546 and LONG_LONG_TYPE_SIZE > 32.
12548 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12550 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12551 the previous change.
12553 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12555 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12557 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12558 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12559 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12562 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12564 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12566 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12568 * c-lang.c (c_post_options): Call cpp_post_options.
12569 * objc/objc-act.c (objc_post_options): Similarly.
12570 * cppmain.c (main): Similarly.
12571 * fix-header.c (read_scan_file): Similarly.
12572 * cppinit.c (cpp_start_read): Move option consistency checks
12573 to cpp_post_options. Don't call init_dependency_output.
12574 If needed, add default target and main file dependency.
12575 (OPT_MD, OPT_MMD): Remove.
12577 (cpp_handle_option): Update for OPT_* changes.
12578 (cpp_post_options): New.
12579 (init_dependency_output): Command line -MF overrides environment
12580 variables. Don't set default target etc. Suppress output
12581 if dependencies are going to stdout.
12582 (print_help): Update.
12583 * cpplib.h (cpp_post_options): New.
12584 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12586 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12588 * jump.c (comparison_dominates_p): Support unordered compares.
12590 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12592 * simplify-rtx.c (simplify_relational_operation): Always simplify
12593 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12596 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12598 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12599 (nonzero_bits): Likewise.
12600 (simplify_comparison): Likewise.
12601 (num_sign_bit_copies): Likewise; return more sane value depending
12602 on STORE_FLAG_VALUE.
12603 (known_cond): Do not assume EQ to be always true for equivalent
12606 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12608 * cse.c (fold_rtx): Handle unordered comparisons.
12610 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12612 * rtlanal.c (set_of_1): New static function.
12613 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12614 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12615 reg_set_last_last_regno): Remove.
12616 (set_of): New global function.
12617 (set_of_data): New structure.
12618 (reg_set_p, reg_set_last): Revamp for set_of.
12619 * rtl.h (set_of): New.
12621 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12623 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12624 * extend.texi: Document _Exit builtin.
12626 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12628 * (initialize, initialize_builtins,
12629 initialize_dependency_output, initialize_standard_includes):
12630 Rename s/initialize/init. Update.
12631 (init_dependency_output): Move to after
12632 cpp_handle_options, the correct location temporally at least.
12633 (opt_comp): Move next to init (), its caller. Fix prototype.
12634 (init): Make "initialized" local scope.
12635 (cpp_create_reader): Always call init ().
12636 (cpp_start_read): Update.
12637 (output_deps): New function, broken out of cpp_finish.
12638 (cpp_finish): Break out output_deps.
12640 2001-01-07 Richard Henderson <rth@redhat.com>
12642 * collect2.c (COFF specific stuff): Revert 12-06 patch
12643 to prototype system functions.
12645 2001-01-07 Michael Hayes <mhayes@redhat.com>
12647 * hard-reg-set.h: Add multiple include guard.
12648 * basic-block.h (struct loop): Add `sink' field.
12649 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12650 (emit_iv_add_mult): Delete.
12651 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12652 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12653 (unroll_loop): Remove end_insert_before argument.
12654 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12655 (maybe_eliminate_biv_1): Likewise.
12656 (emit_iv_add_mult): Delete.
12657 (gen_add_mult, loop_regs_update): New.
12658 (loop_insn_emit_after, loop_insn_emit_before): New.
12659 (loop_insn_sink, loop_insn_sink_or_swim): New.
12660 (emit_iv_add_mult): Delete.
12661 (scan_loop): Set loop->sink.
12662 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12663 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12664 (maybe_eliminate_biv_1): Likewise.
12665 (maybe_eliminate_biv_1): Add basic block argument.
12666 * unroll.c (unroll_loop): Remove end_insert_before argument.
12667 (find_splittable_regs): Likewise.
12668 (find_splittable_regs): Use loop_insn_sink and its ilk.
12669 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12671 2001-01-07 Michael Hayes <mhayes@redhat.com>
12673 * loop.h (loop_insn_hoist): New prototype.
12674 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12675 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12676 (check_dbra_loop, load_mems): Likewise.
12677 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12678 (find_splittable_givs): Likewise.
12680 2001-01-07 Michael Hayes <mhayes@redhat.com>
12682 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12684 2001-01-07 Richard Henderson <rth@redhat.com>
12686 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12688 2001-01-07 Richard Henderson <rth@redhat.com>
12690 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12691 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12692 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12693 variant that handles a shared libgcc.
12694 (process_command): Always validate -{static,shared}-libgcc.
12695 (do_spec_1): New 'M' case.
12696 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12698 2001-01-07 Richard Henderson <rth@redhat.com>
12700 * Makefile.in (slibdir): New variable.
12701 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12702 (installdirs): Create slibdir.
12703 (install-libgcc, install-multilib): Defer to libgcc.mk.
12704 * configure.in (slibdir): Substitute.
12705 * mklibgcc.in (install): New target.
12707 * config/t-linux (SHLIB_LINK): Create links for the soname.
12708 (SHLIB_INSTALL): New.
12709 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12710 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12711 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12712 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12713 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12715 2001-01-07 Richard Henderson <rth@redhat.com>
12717 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12718 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12719 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12721 2001-01-07 Michael Hayes <mhayes@redhat.com>
12723 * loop.c (count_loop_regs_set): Delete.
12724 (load_mems_and_recount_loop_regs_set): Delete.
12725 (loop_regs_scan): Merge common code from count_loop_regs_set,
12726 scan_loop, and load_mems_and_recount_loop_regs_set.
12727 (scan_loop): Call load_mems directly and loop_regs_scan
12728 again if new registers created.
12730 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12732 * toplev.c (main): Call the front-end specific post_options
12733 hook if one is given.
12734 * toplev.h (struct_lang_hooks, lang_hooks): New.
12735 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12736 for the C front end.
12737 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12738 lang_hooks for the C++ front end.
12739 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12740 lang_hooks for the ObjC front end.
12741 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12742 * java/lang.c (lang_hooks): Hooks for the Java front end.
12744 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12746 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12747 for verbose DWARF[2] debugging.
12748 (cb_define, cb_undef): The new callbacks.
12749 * toplev.h (debug_define, debug_undef): Make const correct.
12750 * toplev.c (debug_define, debug_undef): Similarly. Do not
12751 perform the verbosity tests here anymore.
12753 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12755 * reload.c (subst_reloads): Take INSN argument. When
12756 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12757 * reload.h (subst_reloads): Adjust prototype.
12758 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12759 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12760 present in JUMP_INSNs and copy them to JUMP_LABEL.
12761 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12762 JUMP_INSNs and insns with REG_LABELs that are followed by
12763 JUMP_INSNs with the same REG_LABEL.
12764 * sched-rgn.c (is_cfg_nonregular): Likewise.
12765 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12767 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12769 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12771 2001-01-06 Richard Henderson <rth@redhat.com>
12773 * loop.c (scan_loop): Use xcalloc for the regs array.
12774 (load_mems_and_recount_loop_regs_set): Zero the new memory
12775 received from xrealloc.
12777 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12779 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12781 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12783 * integrate.c (copy_rtx_and_substitute): When copying
12784 an ignored return value, strip REG_FUNCTION_VALUE_P.
12786 2001-01-06 Michael Hayes <mhayes@redhat.com>
12788 * loop.c (debug_biv, debug_giv): New.
12789 (loop_biv_dump): Break out from ...
12790 (record_biv): ... here.
12791 (loop_giv_dump): Break out from ...
12792 (record_giv): ... here.
12793 (loop_bivs_check): Use print_simple_rtl.
12794 * unroll.c (loop_iterations): Use print_simple_rtl.
12796 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12798 * pa.md (return, return_internal): Modify patterns to prevent regrename
12799 mucking with the return pointer.
12801 2001-01-05 Richard Henderson <rth@redhat.com>
12803 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12805 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12807 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12808 version supplied by Matteo Frigo.
12810 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12812 * cpp.texi: Update for -MQ.
12813 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12814 (cpp_cleanup): Always free pfile->deps.
12815 (initialize_dependency_output): Don't create pfile->deps.
12816 (cpp_handle_option): Similarly.
12818 * gcc.c (cpp_options): Handle -MQ.
12819 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12820 * mkdeps.c (base_name): Remove.
12821 (deps_init): Don't allocate vector space until it's needed.
12822 (deps_free): Only free vectors if allocated.
12823 (deps_add_target, deps_add_dep): Update for initial allocation.
12824 (deps_add_default_target): Don't strip to the base_name.
12826 2001-01-05 DJ Delorie <dj@redhat.com>
12828 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12829 (INIT_EXPANDERS): Define.
12831 * config/v850/v850.c (struct machine_function): Define.
12832 (v850_save_machine_status): New function.
12833 (v850_restore_machine_status): New function.
12834 (v850_return_addr): New function.
12835 (v850_init_expanders): New function.
12837 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12838 and v850_init_expanders.
12840 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12842 * cpplib.h (struct cpp_reader): Add help_only field.
12843 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12844 (cpp_handle_option): Set pfile->help_only if we see -h,
12845 --help, -target-help, or --version. Print version string but
12846 do not set help_only if we see -v or -version. Make text
12847 printed by -v match that printed by (-)-version.
12849 * cppmain.c (main): Exit after option parsing if
12850 pfile->help_only is true.
12852 * toplev.c (independent_decode_option): Call print_version,
12853 then exit, if we see --version (but not -version).
12854 (print_version): Split lengthy message into two lines.
12856 2001-01-05 Nick Clifton <nickc@redhat.com>
12858 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12859 temporary string for initialisation before calling ggc_alloc_string.
12861 2001-01-06 Michael Hayes <mhayes@redhat.com>
12863 * rtl.h (print_simple_rtl): New.
12864 * print-rtl.c (print_simple_rtl): New.
12865 (flag_simple): New.
12866 (print_rtx): Disable printing of flags and modes, etc.,
12867 if `flag_simple` nonzero.
12869 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12871 * function.c (fixup_var_refs): Use push_to_full_sequence where
12874 2001-01-05 Michael Meissner <meissner@redhat.com>
12876 * flags.h (flag_reorder_blocks): Add declaration.
12877 (flag_rename_block): Ditto.
12879 2001-01-05 DJ Delorie <dj@redhat.com>
12881 * function.c (reorder_blocks): Make sure the flags are all reset
12882 before using them to mark blocks, else a second invocation will
12883 corrupt the block chain.
12884 (reorder_blocks_0): New, resets the flags.
12886 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12888 * cse.c (find_comparison_args): Stop if the argument is known to
12891 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12893 * config/sh/sh.md (movdf): When splitting load into pair of
12894 registers, don't clobber the register used in the address too
12897 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12899 * varasm.c (mark_constant_pool): Improve initial comments.
12900 (mark_constants): Move marking of constants to mark_constant.
12901 (mark_constant): New function to recursively mark all constants
12902 referred to by a constant.
12904 2001-01-05 Catherine Moore <clm@redhat.com>
12906 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12908 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12910 * cp/lang-options.h: Bring comment in line with reality.
12911 * f/lang-options.h: Likewise.
12912 * java/lang-options.h: Likewise.
12913 * objc/lang-options.h: Likewise.
12914 * ch/lang-options.h: Likewise.
12915 * f/g77.texi: And update the manual.
12917 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12918 Denis Chertykov <denisc@overta.ru>
12920 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12921 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12922 * config/avr/avr.md (all peepholes that request a scratch register):
12923 Call it, FAIL the peephole if not safe (in interrupt functions).
12925 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12927 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12929 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12931 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12933 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12934 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12935 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12936 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12937 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12939 * extend.texi: Document these builtins.
12941 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12943 * c-common.c (lang_get_alias_set): Say we know nothing of
12944 VECTOR_TYPE aliasing.
12946 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12948 2001-01-05 Bruce Korb <bkorb@gnu.org>
12950 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12951 their x* equivalent versions for atexit-less systems
12952 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12953 systems (or any other system any more).
12955 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12957 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12958 output operands. Use arm_hard_register_operand for operand 4.
12959 (stmsi_postinc): Similarly.
12960 (ldmsi): Use arm_hard_register_operand for opernand 2.
12961 (stmsi): Similarly.
12962 * arm.c (arm_hard_register_operand): New function.
12963 * arm-protos.h (arm_hard_register_operand): Prototype it.
12965 * arm.h (HARD_REGNO_RENAME_OK): Define.
12967 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12969 * simplify-rtx.c (cfc_args): add "unordered" field.
12970 (check_fold_consts): Set unordered field.
12971 (simplify_relational_operation): Simplify the unordered
12974 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12977 * emit-rtl.c (try_split): Fix code to mark labels.
12978 * jump.c (mark_jump_label): Make global.
12979 * rtl.h (mark_jump_label): Declare.
12981 * predict.c (estimate_probability): Handle unordred comparisons.
12983 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12985 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12986 * cppinit.c (initialize_dependency_output): Update.
12987 (cpp_finish): Output dummy targets for -MP.
12989 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12990 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12991 * gcc.c (cpp_options): Update to handle -MP.
12992 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12993 to quote only the default target.
12994 (deps_phony_targets): Insert a preceding newline. Rename from
12995 deps_dummy_targets for consistency.
12998 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13000 * calls.c (emit_library_call_value_1): Support
13001 INIT_CUMULATIVE_LIBCALL_ARGS.
13002 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13004 2001-01-04 Richard Henderson <rth@redhat.com>
13006 * c-decl.c (finish_struct): Detect flexible array members
13007 used in an inappropriate context.
13008 * c-typeck.c (really_start_incremental_init): Special case
13009 constructor_max_index for zero length arrays.
13010 (pop_init_level): Allow initialization of flexible array
13011 members. Deprecate initialization of zero length arrays.
13012 Don't issue missing initializer warning for flexible array
13013 members or zero length arrays.
13014 (process_init_element): Don't dereference null DECL_SIZE.
13015 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13016 Don't abort for empty constructors. Use size_binop
13017 (output_constructor): Add commentary regarding zero length
13018 array futures. Abort if we try to initialize an array of
13019 unspecified length with a non-empty constructor in the middle
13022 * extend.texi (Zero Length): Update and clarify documentation
13023 on static initialization.
13025 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13027 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13028 with more than 32767 words of local storage.
13030 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13032 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13033 for 'abs', 'labs', and 'fabs'.
13034 (c4x_expand_builtin): Likewise.
13035 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13037 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13039 * config/sh/sh.md (prget, prset): New insn types.
13040 (return delay slot): Dont' allow prset.
13041 (call, sfunc delay slot): Don't allow prget.
13042 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13043 for prset and prget.
13045 2001-01-05 Michael Hayes <mhayes@redhat.com>
13047 * loop.h (struct loop_reg): New.
13048 (struct loop_regs): Change to use array of `struct loop_reg'.
13049 * loop.c: Replace assortment of varrays with single regs array.
13050 (count_one_set): Delete may_not_move array argument
13051 and use regs array instead. All caller's changed.
13052 (count_loop_regs_set): Delete may_not_move and single_usage
13053 arguments and use regs array instead. All caller's changed.
13054 (find_single_use_in_loop): Replace usage array argument with pointer
13055 to regs structure. All caller's changed.
13056 (loop_optimize): Delete `moved_once' array.
13058 2001-01-05 Michael Hayes <mhayes@redhat.com>
13060 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13061 Use it instead of loop_info->has_call for scanning loop mems.
13062 (check_dbra_loop): Replace loop_info->has_call test with
13063 loop_info->has_nonconst_call.
13065 2000-01-04 Matthew Hiller <hiller@redhat.com>
13067 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13070 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13072 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13073 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13075 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13077 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13078 (flag_short_double, flag_short_wchar): Define.
13079 (c_common_nodes_and_builtins): Create many tree nodes shared
13080 between C and C++ here instead of in cp/decl.c and ...
13081 * c-decl.c (init_decl_processing): ... here.
13082 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13083 (flag_short_double, flag_short_wchar): Don't define.
13084 (record_builtin_type): New function.
13085 (build_void_list_node): New function.
13086 * c-common.h (flag_short_double, flag_short_wchar,
13087 record_builtin_type, build_void_list_node): Declare.
13089 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13091 * integrate.c (expand_inline_function): Don't put a virtual
13092 register into the reg map.
13094 * function.c (fixup_var_refs_1): If force_operand didn't put
13095 the address into the target, move it there.
13097 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13099 Special-case tree_decl/tree_list allocations.
13100 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13101 (OBJECT_SIZE): New macro.
13102 (NUM_EXTRA_ORDER): Likewise.
13103 (extra_order_size_table): New variable.
13104 (NUM_ORDERS): New macro.
13105 (objects_per_page_table): New variable.
13106 (object_size_table): New variable.
13107 (G.pages): Use NUM_ORDERS to bound the array.
13108 (G.page_tails): Likewise.
13109 (DIV_ROUND_UP): Remove.
13110 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13111 (alloc_page): Use OBJECT_SIZE.
13112 (size_lookup): Don't make it const.
13113 (ggc_alloc): Use OBJECT_SIZE.
13114 (ggc_set_mark): Likewise.
13115 (ggc_get_size): Likewise.
13116 (init_ggc): Set up the object_size_table, objects_per_page_table,
13117 and adjust size_lookup.
13118 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13119 (ggc_pop_context): Use NUM_ORDERS.
13120 (clear_marks): Likewise.
13121 (sweep_pages): Likewise.
13122 (poison_pages): Likewise.
13123 (ggc_print_statistics): Use OBJECT_SIZE.
13125 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13127 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13128 Only call array_size_for_constructor if last field and array type
13129 with no upper bound.
13131 2001-01-04 Philip Blundell <philb@gnu.org>
13133 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13134 from bit 31 downwards, if this requires no more insns.
13135 (count_insns_for_constant): New helper function for above.
13137 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13139 * gencodes.c (output_predicate_decls): Remove empty initializer.
13141 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13143 * tree.c (copy_node): Remove documentation about obstacks.
13144 (buidl1): Check that nobody tries to build 2-argument nodes this
13147 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13149 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13152 * gencodes.c (output_predicate_decls): Fill empty initializer
13155 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13157 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13158 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13160 (do_include): Handle missing headers like cpp0.
13161 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13162 paths with first include pathname. Don't strcat to uninitialized
13165 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13167 * regrename.c (regrename_optimize): Don't rename from frame pointer
13168 if frame_pointer_needed.
13169 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13170 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13171 (ia64_reorg): Use it instead of scheduling if ! optimize.
13172 (errata_emit_nops): Properly call asm_noperands.
13173 (ia64_sched_reorder): Finish cycle if we see an asm.
13174 (ia64_variable_issue): Clear scheduling state after asms.
13176 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13178 * cpp.texi: Update for -MT.
13179 * cppinit.c (initialize_dependency_output): Add a default
13180 target if none has been given already.
13181 (no_tgt, OPT_MT): New.
13182 (cpp_handle_option): Handle -MT. Update -M etc.
13183 * cpplib.h (struct cpp_options): Remove deps_target.
13184 * gcc.c (cpp_options): Handle -MT.
13185 * mkdeps.c (struct deps): Move from mkdeps.h.
13186 (deps_calc_target): Rename deps_add_default_target. Add a
13187 default target if none has been specified already.
13188 * mkdeps.h (struct deps): Move to mkdeps.c.
13189 (deps_calc_target): Rename deps_add_default_target.
13191 2000-01-03 Richard Henderson <rth@redhat.com>
13193 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13195 * c-typeck.c (push_init_level): Move checks for flexible array
13196 members and zero length arrays ...
13197 (pop_init_level): ... here. Silently discard empty initializations.
13199 * varasm.c (output_constructor): Update for sizeof change to
13200 zero-length arrays.
13202 * extend.texi (Zero Length): Clarify semantics.
13204 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13206 * configure.in (tm.h): Include isns-codes.h last.
13207 * configure: Rebuilt.
13209 2001-01-03 Richard Henderson <rth@redhat.com>
13211 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13212 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13214 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13216 * tradcpp.c (main): Make sure finclude() is called with a valid
13217 indepth value while handling -include.
13219 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13221 * gencodes.c (output_predicate_decls): New function.
13223 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13224 even if it is not the first time machmode.h is #included.
13225 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13226 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13227 * gcc.texi (Copyright): Added 2001.
13229 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13231 * c-common.c (c_common_lang_init): New function. Warn if format
13232 warning options which only have effects when used with -Wformat
13233 are used without -Wformat.
13234 * c-common.h (c_common_lang_init): Declare.
13235 * c-lang.c (lang_init): Call c_common_lang_init.
13236 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13238 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13240 * configure.in: Check for the mktemp command.
13241 * configure: Regenerate.
13242 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13243 $TEMP. Create temporary files with mktemp, if available at
13244 configure time; otherwise use set -C. Remove temporary files
13247 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13249 * configure.in: Require at least texinfo 4.0. Check for whether
13250 Pod::Man is sufficiently recent to regenerate GCC manpages.
13251 * configure: Regenerate.
13252 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13254 (GENERATED_MANPAGES): Define.
13255 (generated-manpages): New target. Depend on cpp.1 as well as
13257 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13258 configure to generated-manpages or empty) rather than on the
13259 manpages directly. Remove execute permission from installed
13260 gcov.1 as well as cpp.1.
13261 * cpp.1, gcov.1: Regenerate.
13263 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13265 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13266 tree_low_cst. Allow using cmpstrsi in more cases.
13268 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13270 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13273 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13275 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13276 * Makefile.in (HOST_CFLAGS): Mention build-make.
13278 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13280 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13283 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13285 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13288 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13291 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13292 reg_base_value and reg_known_value arrays.
13293 (init_alias_analysis): Add more cases to detect known values.
13294 * sched-deps.c (deps_may_trap_p): New function.
13295 (sched_analyze_2): Use it.
13297 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13299 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13300 don't discard an ASHIFTRT if we're shifting in a wider mode.
13302 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13304 * toplev.c (rest_of_compilation): Don't print basic block information
13305 when CFG isn't up to date.
13307 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13309 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13310 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13311 (UNALIGNED_SHORT_ASM_OP): Define.
13312 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13314 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13316 * fold-const.c (fold_convert): Fix typo.
13318 2001-01-02 Richard Henderson <rth@redhat.com>
13320 * c-common.h (ASM_INPUT_P): New.
13321 * c-parse.in (asm): Set it when needed.
13322 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13323 existance of an operand.
13325 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13327 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13328 (dwarf2out_frame_debug_expr): Likewise.
13329 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13331 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13333 * i386.c (ix86_split_to_parts): Return number of part required;
13335 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13337 (ix86_split_long_move): Use number of part returned
13338 by ix86_split_to_parts
13339 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13341 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13342 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13343 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13344 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13345 (ALIGN_MODE_128): Add TFmode.
13346 (IS_STACK_MODE): Likewise.
13347 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13348 (HARD_REGNO_OK): Support TFmodes.
13349 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13350 * i386.md (scheduler definitions): Use memory operand to determine
13351 fst/fld instructions; use mode attribute to determine real mode of
13353 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13354 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13356 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13358 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13360 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13362 * expr.c (store_constructor_field): Update ALIGN before calling
13365 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13367 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13370 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13372 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13375 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13377 * c-decl.c (start_function): Don't warn on third parameter to main.
13379 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13381 * tsystem.h: Define HAVE_DECL_GETOPT.
13383 2001-01-02 Philip Blundell <pb@futuretv.com>
13385 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13388 2001-01-02 Richard Henderson <rth@redhat.com>
13390 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13392 2001-01-02 Andreas Jaeger <aj@suse.de>
13394 * c-decl.c (c_decode_option): Remove support of
13395 -Wmissing-noreturn.
13397 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13398 (W_options): Add -Wmissing-noreturn here.
13400 * flow.c: Define lang_missing_noreturn_ok_p.
13401 (check_function_return_warnings): Use it.
13403 * c-common.h: Declare lang_missing_noreturn_ok_p.
13405 * c-lang.c (c_missing_noreturn_ok_p): New function.
13406 (lang_init): Set lang_missing_noreturn_ok_p.
13408 * invoke.texi (Warning Options): Document this.
13410 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13412 * extend.texi (C++ Extensions): New node for C++ attributes;
13413 describe init_priority and com_interface.
13414 * invoke.texi: Remove -finit-priority as it now has zero effect.
13415 * install.texi: Fix xref syntax.
13416 * md.texi: Likewise.
13418 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13420 * config.gcc (sparc64-wrs-vxworks*): New case.
13421 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13423 * config/sparc/sparc.c (sparc_override_options): Do support different
13424 pointer and architecture size.
13425 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13426 (POINTERS_EXTEND_UNSIGNED): Define.
13427 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13428 (FUNCTION_MODE): Define to be Pmode.
13429 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13431 * function.c (expand_function_end): Properly handle DECL_RESULT
13432 and copy when ptr_mode != Pmode.
13433 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13435 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13437 * c-common.c (c_common_nodes_and_builtins): Set prototype
13438 parameters for __builtin_fputs, __builtin_fputc and
13439 __builtin_fwrite. Don't declare plain fputc as a builtin.
13441 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13443 * loop.c (add_label_notes): Increment the label usage count when
13444 a note is added to an insn which refers to a CODE_LABEL.
13445 * gcse.c (add_label_notes): Likewise.
13447 2001-01-01 Andreas Jaeger <aj@suse.de>
13449 * loop.c (scan_loop): Use xmalloc to allocate movables.
13451 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13453 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13454 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13455 * reload1.c (REGISTER_MOVE_COST): Likewise.
13456 * regclass.c (REGISTER_MOVE_COST): Likewise.
13457 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13458 dimension. Adjust all users.
13459 (init_reg_sets_1): Iterate on all modes.
13460 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13461 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13462 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13463 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13464 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13465 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13466 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13467 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13468 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13469 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13470 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13471 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13472 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13473 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13474 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13475 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13476 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13477 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13478 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13479 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13480 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13481 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13482 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13483 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13484 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13485 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13486 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13488 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13490 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13491 arg VARIES_P. Call it with extra arg.
13492 (true_dependence): Likewise.
13493 * rtl.h (rtx_addr_can_trap_p): Declare.
13494 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13496 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13497 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13498 pic offset table register if it's zero. All callers changed.
13499 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13501 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13503 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13504 STRING_POOL_ADDRESS_P.
13506 * config/sparc/sparc.c (input_operand): Properly test for short op.
13508 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13509 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13510 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13511 * config/sparc/elf.h: No longer include sol2.h.
13512 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13513 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13515 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13517 2001-01-01 Michael Hayes <mhayes@redhat.com>
13519 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13520 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13521 (record_initial): Likewise.
13522 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13523 (remap_split_bivs): Likewise.
13525 2001-01-01 Michael Hayes <mhayes@redhat.com>
13527 * loop.c (loop_ivs_free): New function.
13528 (strength_reduce): Break out from...
13530 2001-01-01 Michael Hayes <mhayes@redhat.com>
13532 * loop.h (struct iv): New.
13533 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13534 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13535 'reg_biv_class' fields with 'regs' and 'n_regs'.
13536 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13537 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13538 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13540 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13542 * resource.c (mark_referenced_resources): Abort() before
13543 attempting to mark a pseudo register.
13544 (mark_set_resources): Likewise.
13546 2001-01-01 Michael Hayes <mhayes@redhat.com>
13548 * loop.h (REG_IV_CLASS): New accessor macro.
13549 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13550 * unroll.c (REG_IV_CLASS): Likewise.
13552 See ChangeLog.4 for earlier changes.