1 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
3 * doc/tm.texi (FUNCTION_ARG): Document that the last call
6 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8 * tlink.c (recompile_files): Remove COMPILER_PATH and
9 LIBRARY_PATH from the environment.
11 2001-07-01 Zack Weinberg <zackw@stanford.edu>
13 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
14 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
16 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
18 * c-parse.in (OBJC_STRING): Kill.
19 (objc_string): Decompose to [objc_string] '@' STRING.
20 (reswords): Take the leading '@' off all the Objective C keywords.
21 (objc_rid_sans_at): Kill.
22 (init_reswords): Don't initialize it.
23 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
24 (_yylex): Kill reconsider label. Look ahead one token after
25 an '@'; if we get an identifier, check whether it's an
26 Objective C @-keyword. If so, return the keyword. Otherwise,
27 put back the token and return the '@' as a terminal.
29 * cpplib.c (lex_macro_node): Remove unnecessary check for
30 leading '@' on identifier. Clarify control flow and commentary.
32 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
34 * cse.c (new_label_ref): Variable deleted.
35 (insert): Remove set of new_label_ref.
36 (check_for_label_ref): New function.
37 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
39 2001-06-30 Zack Weinberg <zackw@stanford.edu>
41 * rtl.def (DEFINE_INSN, DEFINE_INSN_AND_SPLIT, DEFINE_PEEPHOLE):
42 Change output-template slot to format 'T'.
44 * read-rtl.c (read_escape): New function.
45 (read_quoted_string, read_braced_string): Use it.
46 (read_rtx): Set star_if_braced from the format string.
47 Use XTMPL where appropriate.
48 * genoutput.c (gen_insn, gen_peephole): Use XTMPL to get the
51 * rtl.c: Include errors.h for sake of rtl_check_failed* routines.
52 Document 'T' in rtx format strings.
53 * Makefile.in (rtl.o, $(HOST_PREFIX_1)rtl.o): Depend on errors.h.
54 * errors.c (internal_error): Add missing ": " at end of string.
56 * i860.md: Change triple backslashes to double backslashes at
57 ends of lines in output templates.
58 * ns32k.md: Remove stray backslash-newline in output template.
60 2001-06-29 Nick Clifton <nickc@cambridge.redhat.com>
62 * gcc.c (process_command): Append a DIR_SEPARATOR to a path
63 specified by the -B switch, if doing so would create a valid
65 * doc/invoke.texi: Document changed behaviour of -B.
67 2001-06-29 DJ Delorie <dj@redhat.com>
69 * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at
70 least get rid of the CONCAT if we can't simplify further.
72 Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com)
74 * doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce
75 changes. Fix documentation for SSA DCE pass.
77 * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
79 * ssa.h (ssa_eliminate_dead_code): Corresponding changes.
80 * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM.
81 * toplev.c (DFI_ssa_dce): Renamed from DFI_dce.
82 (dump_file_info): Similar changes.
83 (flag_ssa_dce): Similarly
84 (f_options): Similar changes.
85 (rest_of_compilation): Corresponding changes.
86 * doc/invoke.texi: Update as option is now -fssa-dce instead
87 of -fdce. Update dump file name.
89 * ssa-dce.c (note_inherently_necessary_set): New function.
90 (find_inherently_necessary): Use it. Do not consider
91 NOTEs, CODE_LABELs or BARRIERS are necessary. Improve
92 handling of asms and unspecs.
93 (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs.
95 2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk>
97 * target.h (struct gcc_target): Add comp_type_attributes and
98 set_default_type_attributes.
99 * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES,
100 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define.
101 (TARGET_INITIALIZER): Update.
102 * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES,
103 SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
104 Update documentation of old target macros to describe new target
106 * tree.c (make_node): Use target.set_default_type_attributes.
107 (default_comp_type_attributes,
108 default_set_default_type_attributes): New functions.
109 * tree.h (default_comp_type_attributes,
110 default_set_default_type_attributes): Declare.
111 * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define.
112 (comptypes): Use target.comp_type_attributes.
113 * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h
114 (arc_comp_type_attributes, arc_set_default_type_attributes,
115 COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove
116 functions and macros with default behaviour.
117 * config/m32r/m32r-protos.h, config/m32r/m32r.c,
118 config/m32r/m32r.h (m32r_comp_type_attributes,
119 m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
120 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
121 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
122 config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes,
123 m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
124 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
125 * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c,
126 config/ns32k/ns32k.h (ns32k_comp_type_attributes,
127 COMP_TYPE_ATTRIBUTES): Likewise.
128 * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
129 config/rs6000/rs6000.h (rs6000_comp_type_attributes,
130 rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
131 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
132 * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES,
133 SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro
135 * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
136 * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
137 * config/arm/arm.c (arm_comp_type_attributes,
138 arm_set_default_type_attributes): Make static.
139 (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
141 * config/arm/arm.h (COMP_TYPE_ATTRIBUTES,
142 SET_DEFAULT_TYPE_ATTRIBUTES): Don't define.
143 * config/arm/arm-protos.h (arm_comp_type_attributes,
144 arm_set_default_type_attributes): Don't declare.
145 * config/i386/i386.c (ix86_comp_type_attributes): Make static.
146 (TARGET_COMP_TYPE_ATTRIBUTES): Define.
147 * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define.
148 * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't
151 2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl>
153 * predict.c (dump_prediction): Eliminate fprintf warning.
155 2001-06-28 Diego Novillo <dnovillo@redhat.com>
157 * flow.c (dump_bb): Remove unused third argument to call
158 to fprintf when displaying the basic block header.
160 2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
161 Jeff Law <law@redhat.com>
163 * Makefile.in (OBJS): Add df.o
164 (df.o): Add dependencies.
165 * basic-block.h (flow_depth_first_order_compute): Declare.
166 * flow.c (flow_depth_first_order_compute): No longer declare.
168 * df.c, df.h: New files.
170 2001-06-28 Zack Weinberg <zackw@stanford.edu>
172 * config/i386/i386.md: Global update to use new string syntax
173 where it will improve readability. Warning fixes:
174 (*truncdfsf2_2): Abort if which_alternative is not 0 or 1.
175 (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64,
176 *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int.
178 * read-rtl.c: Syntactic sugar for C embedded in strings in
179 machine descriptions.
180 (read_string): Break inner loop into separate function. Takes
181 an int. Dispatch to read_quoted_string or read_braced_string
182 as appropriate. Automatically insert a leading star on braced
183 strings if STAR_IF_BRACED is true.
184 (read_quoted_string, read_braced_string): New functions.
185 * doc/rtl.texi, doc/md.texi: Document new syntax. Update
188 * rtl.c: Split RTL reader (read_rtx, read_skip_spaces,
189 traverse_md_constants, fatal_with_file_and_line,
190 fatal_expected_char, read_name, read_string, def_hash,
191 def_name_eq_p, read_constants, and related data) to its own
192 file. Weed out now-unnecessary #includes.
193 * read-rtl.c: New file.
194 * Makefile.in (HOST_RTL): Add read-rtl.o.
195 (read-rtl.o): New rule.
196 (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies.
197 * doc/gcc.texi (Passes): Talk briefly about the support
198 library used by genfoo.
199 * doc/rtl.texi (Reading RTL): read_rtx is not available in the
202 2001-06-28 Stan Shebs <shebs@apple.com>
204 * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define.
205 * config/darwin-c.c: New file.
206 * config/darwin-protos.h: Declare new functions.
207 * config/rs6000/t-darwin (darwin-c.o): New rule.
208 * config.gcc (powerpc-*-darwin*): Define c_target_objs and
210 * doc/extend.texi (Pragmas): New section.
212 Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz>
214 * flow.c (try_merge_block): Rename to try_optimize_cfg;
215 do basic simplifications on the CFG.
216 (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
217 try_simplify_condjump): New.
218 (redirect_edge_and_branch): Try replace jump insn.
219 (flow_delete_insn): Handle deleting of ADDR_VEC insns.
221 * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.
223 Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com)
225 * ssa-dce.c (eliminate_dead_code): Properly handle control
226 dependencies implied by PHI nodes.
228 * ssa-dce.c (eliminate_dead_code): Remove fake edges from the
229 CFG after dead code elimination is complete.
231 2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
233 * gthr-posix.h [LIBOBJC]: Add weak definitions of
234 sched_get_priority_max, sched_get_priority_min.
236 2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com>
238 * diagnostic.c (default_print_error_function): Tweak.
239 (report_error_function): Likewise.
240 * toplev.h (default_print_error_function): Move to...
241 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
242 * tree.h (print_error_function): Move to...
243 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
245 Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
247 * expr.c (expand_assignment): When have varying-length object,
249 (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting
250 SAVE_EXPR stack in case we had a SUBREG.
252 Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz>
254 * i386.md (cmp?i): Simplify; refuse immediate operand
256 * i386.c (cmpsi_operand): Refuse constants.
258 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
260 * flow.c (block_label, redirect_edge_and_branch): Split out from ....
261 (split_edge) .... here;
263 2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk>
265 * i386/i386.c (ix86_valid_type_attribute_p): Give external
266 linkage, move declaration to...
267 * i386/i386-protos.h: ...here.
269 2001-06-27 H.J. Lu (hjl@gnu.org)
271 * build-make (CC): Removed.
272 (HOST_CC): Set to $(CC_FOR_BUILD).
273 (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD).
274 Fix a typo in comments.
276 * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when
277 generating auto-build.h for canadian cross compile. Set CC
278 to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'.
280 * configure: Regenerated.
282 2001-06-27 Jim Wilson <wilson@redhat.com>
284 * emit-rtl.c (gen_highpart): Call validize_mem.
286 2001-06-27 Bruce Korb <bkorb@gnu.org>
288 * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
289 hpux10_cpp_pow_inline. Not similar enough.
290 (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for
291 all Solaris versions. This fix patches MUTEX and COND initializers,
292 the RWLOCK one will wait for someone to complain. For now, anyway.
293 (uw7_byteorder_fix): It was looking for the byteorder.h file in the
296 2001-06-27 Stan Shebs <shebs@apple.com>
298 * objc/objc-act.c (handle_impent): Rewrite to be more portable
299 and to use ASM_DECLARE_CLASS_REFERENCE.
300 * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
301 undocumented DECLARE_CLASS_REFERENCE, add file argument.
302 * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
304 Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com)
306 * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
307 by putting complex operands first and constants second.
309 2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com>
311 * diagnostic.h: Add documentation. Make macros polymorphic.
312 * diagnostic.c (ideal_line_wrap_cutoff): Remove
313 definition. Replace with diagnostic_line_cutoff.
314 (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule.
316 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
318 * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
319 doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
320 doc/gcov.texi, doc/install-old.texi, doc/install.texi,
321 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
322 . at end of sentences preceded by a capital letter with @..
324 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
326 * doc/invoke.texi: Add description of max-gcse-passes param.
328 * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES.
329 (MAX_PASSES): Remove now unneeded macro.
331 * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of
332 max-gcse-passes param.
334 * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling
335 maximum number of GCSE passes to run. Defaults to 1 (which is what
336 MAX_PASSES in gcse.c used to be).
338 2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk>
340 * system.h (TARGET_ESC): Move to ...
341 * defaults.h (TARGET_ESC): ... here.
342 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
343 TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler.
344 * tree.c (default_valid_attribute_p): New.
345 (valid_machine_attribute): Handlers can not be NULL.
346 * tree.h (default_valid_attribute_p): New.
347 * doc/tm.texi: Document TARGET_ESC.
348 * cp/decl2.c (import_export_class): Update.
350 2001-06-26 Bruce Korb <bkorb@gnu.org>
352 * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot
353 use preprocessing directives inside a string literal. Fixed.
355 2001-06-26 Jim Wilson <wilson@redhat.com>
357 * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT):
360 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
362 * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
363 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
364 doc/tm.texi: Use @: where necessary when a full stop does not end
367 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
369 * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
372 2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
374 * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
375 doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
376 doc/tm.texi: Use two spaces after ends of sentences.
378 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
380 * toplev.c (display_help): Fix param thinko.
381 * Makefile.in: Fix params.h dependencies.
383 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
385 * toplev.c (decode_f_option): Adjust setting.
386 (toplev_main): Call diagnostic_initialize. Remove call to
387 reshape_diagnostic_buffer._
389 * diagnostic.h (struct output_buffer): Add new field format_decoder.
390 (diagnostic_format_decoder): New macro.
391 (diagnostic_prefixing_rule): Likewise.
392 (diagnostic_line_cutoff): Likewise.
393 (set_message_prefixing_rule): Remove.
395 * diagnostic.c (lang_printer): Remove.
396 (diagnostic_message_length_per_line): Likewise.
397 (current_prefixing_rule): Likewise.
398 (initialize_diagnostics): Rename to...
399 (diagnostic_initialize): ...this. Tweak.
400 (default_initialize_buffer): Remove.
401 (reshape_diagnostic_buffer): Likewise.
402 (init_output_buffer): Adjust prefixing rule setting.
403 (output_format): Use format_decoder from the output_buffer.
405 * c-lang.c (c_init): Adjust tree formatter setting.
407 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
409 * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
411 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
413 * Makefile.in (TARGET_H, TARGET_DEF_H): New.
414 (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update.
415 * c-decl.c (duplicate_decls): Use function pointer.
416 * c-typeck.c (common_type): Similarly.
417 * tree.c (valid_machine_attribute): Similarly.
418 (merge_machine_type_attributes): Rename merge_type_attributes.
419 (merge_machine_decl_attributes): Rename merge_decl_attributes.
420 (merge_dllimport_decl_attributes): New function.
421 * tree.h (merge_machine_type_attributes): Rename merge_type_attributes.
422 (merge_machine_decl_attributes): Rename merge_decl_attributes.
423 (merge_dllimport_decl_attributes): New prototype.
428 * doc/gcc.texi, doc/tm.texi: Update documentation.
430 cp: Make-lang.in: Update dependencies.
431 * spew.c: Include target.h.
432 (duplicate_decls): Call target function.
433 * decl2.c: include target.h
434 (import_export_class): Use existence of target function pointer.
435 * typeck.c: Include target.h.
436 (qualify_type_recursive): Rename variable. Call target function.
437 (type_after_usual_arithmetic_conversions): Similarly.
438 (common_type): Similarly.
440 config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
441 avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c,
442 d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c,
443 i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c,
444 m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c,
445 mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c,
446 pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c,
447 sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c)
448 : Include target.h and target-def.h. Define target.
450 * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove.
451 * arc/arc.c (arc_valid_machine_decl_attribute): Rename
452 arc_valid_decl_attribute, make static.
453 * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
454 * arm/arm-protos.h (arm_valid_machine_decl_attribute,
455 arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute,
456 arm_pe_merge_machine_decl_attributes): Remove.
457 * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename
458 arm_valid_decl_attribute_p, make static.
459 (arm_pe_valid_decl_attribute_p): Move from pe.c.
460 * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c.
461 (arm_pe_merge_machine_decl_attributes): Move to tree.c.
462 * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
463 * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
464 * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
465 * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New.
466 (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove.
467 * avr/avr-protos.h (valid_machine_type_attribute,
468 valid_machine_decl_attribute): Remove.
469 * avr/avr.c (valid_machine_type_attribute,
470 valid_machine_decl_attribute): Rename and make static.
471 * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE,
472 VALID_MACHINE_DECL_ATTRIBUTE): Remove.
473 * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove.
474 * c4x/c4x.c (c4x_valid_type_attribute_p): Make static.
475 * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
476 * d30v/d30v.h: Remove obsolete comments.
477 * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove.
478 * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make
480 * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
481 * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
482 (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES,
483 i386_pe_valid_type_attributes_p): Remove.
484 * i386/i386-protos.h (ix86_valid_decl_attribute_p,
485 ix86_valid_type_attribute_p): Remove.
486 * i386/i386.c (ix86_valid_decl_attribute_p): Remove.
487 (ix86_valid_type_attribute_p): Make static.
488 * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE,
489 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
490 * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c.
491 * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove.
492 * ia64/ia64.c (ia64_valid_type_attribute): Make static.
493 * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
494 * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove.
495 * m32r/m32r.c (m32r_valid_decl_attribute): Make static.
496 * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
497 * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p,
498 m68hc11_valid_type_attribute_p): Remove.
499 * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove.
500 (m68hc11_valid_type_attribute_p): Make static.
501 * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE,
502 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
503 * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute,
504 mcore_merge_machine_decl_attribute): Remove.
505 * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename,
507 (mcore_merge_machine_decl_attributes): Move to tree.c.
508 * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE,
509 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
510 (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
511 * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p,
512 ns32k_valid_type_attribute_p): Remove.
513 * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove.
514 (ns32k_valid_type_attribute_p): Make static.
515 * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE,
516 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
517 * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p,
518 rs6000_valid_type_attribute_p): Remove.
519 * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove.
520 (rs6000_valid_type_attribute_p): Make static.
521 * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE,
522 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
523 * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove.
524 * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static.
525 * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
526 * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove.
527 * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static.
528 * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
530 2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
532 * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold
535 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
537 * diagnostic.h (struct diagnostic_context): Add new field.
538 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
540 (global_dc): Declare.
541 * diagnostic.c (global_diagnostic_context): New variable.
542 (global_output_buffer): Remove.
544 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
546 (initialize_diagnostics): Adjust initialization.
547 (set_diagnostic_context): Adjust setting.
549 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
551 * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
552 UNALIGNED_SHORT_ASM_OP): Define.
553 * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
554 UNALIGNED_SHORT_ASM_OP): Undef.
556 Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
558 * i386.md (float_truncate splitter, and to mov splitters): Add
559 reload_completed; fix operand predicate.
561 * haifa-sched.c (sched_init): Do not split insns.
562 * toplev.c (rest_of_compilation): Call split_all_insns before
563 sched1 pass; simplify condition of post-reload splitter;
564 call split_all_insn before sched2 pass.
566 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
568 * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
569 (set_message_prefixing_rule): Adjust prototype.
570 * diagnostic.c (current_prefixing_rule): Adjust type.
572 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
574 * defaults.h: Default escape sequences to ASCII.
575 * config/i370/i370.h: Adjust for ASCII default.
576 * config/1750a/1750a.h: Remove escape sequence definitions.
577 * config/a29k/a29k.h: Similarly.
578 * config/alpha/alpha.h: Similarly.
579 * config/arc/arc.h: Similarly.
580 * config/arm/arm.h: Similarly.
581 * config/avr/avr.h: Similarly.
582 * config/c4x/c4x.h: Similarly.
583 * config/clipper/clipper.h: Similarly.
584 * config/convex/convex.h: Similarly.
585 * config/d30v/d30v.h: Similarly.
586 * config/dsp16xx/dsp16xx.h: Similarly.
587 * config/elxsi/elxsi.h: Similarly.
588 * config/fr30/fr30.h: Similarly.
589 * config/h8300/h8300.h: Similarly.
590 * config/i386/i386.h: Similarly.
591 * config/i860/i860.h: Similarly.
592 * config/i960/i960.h: Similarly.
593 * config/ia64/ia64.h: Similarly.
594 * config/m32r/m32r.h: Similarly.
595 * config/m68hc11/m68hc11.h: Similarly.
596 * config/m68k/m68k.h: Similarly.
597 * config/m88k/m88k.h: Similarly.
598 * config/mcore/mcore.h: Similarly.
599 * config/mips/mips.h: Similarly.
600 * config/mn10200/mn10200.h: Similarly.
601 * config/mn10300/mn10300.h: Similarly.
602 * config/ns32k/ns32k.h: Similarly.
603 * config/pa/pa.h: Similarly.
604 * config/pdp11/pdp11.h: Similarly.
605 * config/pj/pj.h: Similarly.
606 * config/romp/romp.h: Similarly.
607 * config/rs6000/rs6000.h: Similarly.
608 * config/sh/sh.h: Similarly.
609 * config/sparc/sparc.h: Similarly.
610 * config/v850/v850.h: Similarly.
611 * config/vax/vax.h: Similarly.
612 * config/we32k/we32k.h: Similarly.
613 * doc/tm.texi: Update documentation.
615 2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
617 * diagnostic.c (digit_buffer): Remove as global. Move to...
618 * diagnostic.h (struct output_buffer): ... here.
619 * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
621 2001-06-25 Steve Ellcey <sje@cup.hp.com>
623 * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
624 Define tmake_file to include ia64/t-hpux.
625 * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
626 testing to see if it is defined.
627 * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
629 * config/ia64/hpux_longdouble.h: New.
630 * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
631 handling of long doubles.
632 (ia64_function_arg, ia64_function_value): Add checks for TFmode
633 and INTEL_EXTENDED_IEEE_FORMAT.
634 * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
635 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
636 TFmode and INTEL_EXTENDED_IEEE_FORMAT.
637 * config/ia64/ia64.md (all TFmode patterns): Test
638 INTEL_EXTENDED_IEEE_FORMAT in condition.
639 (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
640 * config/ia64/quadlib.c: New.
641 * config/ia64/t-hpux: New.
642 * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
644 2001-06-25 Jim Wilson <wilson@redhat.com>
646 * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
647 * config/i960/t-vxworks960: Likewise.
649 2001-06-25 Dale Johannesen <dalej@apple.com>
651 * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
654 Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
656 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
658 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
660 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
661 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
662 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
663 the use of "GCC" and related terms.
664 * doc/gcc.1, doc/gcov.1: Regenerate.
666 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
668 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
669 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
672 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
674 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
676 2001-06-24 Richard Henderson <rth@redhat.com>
678 * builtins.c (expand_builtin_expect_jump): Disable if the
679 expression can't be re-evaluated.
681 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
683 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
684 handlers examine register r0-r7, for other interrupt handlers
685 examine r0-r12. If the interrupt handler is not a leaf function
686 save all call clobbered registers.
687 (arm_output_epilogue): If the prologue has pushed the IP register,
689 (Arm_expand_prologue): For interrupt functions that need the frame
690 pointer, push the IP register before it is corrupted.
692 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
693 about the use of signed and unsigned quantities in a conditional.
695 2001-06-23 Richard Henderson <rth@redhat.com>
697 * config/alpha/crtfastmath.c: New file.
698 * config/alpha/t-crtfm: New file.
699 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
700 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
701 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
702 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
703 do not set extra_parts here.
705 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
707 * doc/install-old.texi: Remove more documentation of configure
709 * doc/install.texi: Add it here.
711 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
713 * i386-protos.h (emit_i387_cw_initialization): Declare.
714 * i386.md (movsi_insv_1): Remove '*'.
715 (fix_trunc?f?i2): Revamp to use control word parameters.
716 (fix_trunc?i_1): Likewise; update splitters.
717 (fix splitter): Remove.
718 * i386.c (MAX_386_STACK_LOCALS): set to 3.
719 (emit_i387_cw_initialization): New function.
720 (output_fix_trunc): Do not initialize control word;
721 kill dead code; simplify.
723 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
725 * cppmacro.c (make_string_token): Avoid warning.
726 (cpp_macro_definition): Prepend the macro name. Update
728 * cppmain.c (cb_define, dump_macro): Update for changes
729 to cpp_macro_definition.
731 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
733 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
735 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
737 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
738 try_pre_increment_1): compute REG_FREQ using bb->frequency.
740 * regclass.c (loop_cost): Kill.
741 (frequency): New global variable.
742 (record_operand_costs): Replace loop_cost by frequency.
743 (scan_one_insn): Likewise.
744 (regclass): Likewise; set frequency according to bb->frequency.
746 * flow.c (split_edge): Set frequency.
748 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
750 * predict.c (block_info_def): Add nvisited.
751 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
754 * flow.c (dump_edge_info): Dump the probability of edge.
755 (combine_predictions_for_insn): Dump the basic block.
757 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
759 * doc/gcc.texi: Update documentation of source files of C
762 2001-06-22 Richard Henderson <rth@redhat.com>
764 * doc/invoke.texi (-funsafe-math-optimizations): Document its
765 possible effects at link time.
767 2001-06-22 Diego Novillo <dnovillo@redhat.com>
769 * basic-block.h (dump_edge_info): Declare.
770 (clear_edges): Declare.
771 (mark_critical_edges): Declare.
772 * flow.c (dump_edge_info): Remove static declaration.
773 (clear_edges): Ditto.
774 (mark_critical_edges): Ditto.
775 (free_basic_block_vars): Only clear edges and free basic block
776 array if basic_block_info is not NULL.
777 * ssa.c (compute_dominance_frontiers): Remove static declaration.
778 * ssa.h (compute_dominance_frontiers): Declare.
780 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
782 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
783 instead of const1_rtx for true case.
785 2001-06-22 David Mosberger <davidm@hpl.hp.com>
787 * config/ia64/crtfastmath.c: New file.
788 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
789 * config/ia64/linux.h (ENDFILE_SPEC): New.
791 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
793 * config/h8300/h8300.c (asm_file_start): Remove reference to
796 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
798 * c-common.c (verify_tree): Check for x being NULL.
799 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
803 2001-06-22 DJ Delorie <dj@redhat.com>
805 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
806 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
807 (arm_return_addr): Use get_hard_reg_initial_val et al.
808 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
809 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
810 (d30v_return_addr): Use get_hard_reg_initial_val et al.
811 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
812 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
814 (rs6000_mark_machine_status): Remove.
815 (rs6000_return_addr): Use get_hard_reg_initial_val.
816 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
817 * config/v850/v850.h (INIT_EXPANDERS): Delete.
818 * config/v850/v850.c (struct machine_function): Delete.
819 (v850_init_machine_status): Delete.
820 (v850_mark_machine_status): Delete.
821 (v850_free_machine_status): Delete.
822 (v850_return_addr): Use get_hard_reg_initial_val.
823 (v850_init_expanders): Delete.
825 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
827 * predict.c (estimate_bb_frequencies): Do not handle conditional
828 jumps jumping to fallthru basic block as conditional jumps.
830 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
832 * regs.h (struct reg_info_def): Add freq field.
833 (REG_N_REFS): Update comment.
835 * regclass.c (scan_one_insn): Update REG_FREQ.
836 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
837 (attempt_auto_inc): Likewise.
838 (mark_used_reg): Likewise.
839 (try_pre_increment_1): Likewise.
840 * local-alloc.c (struct qty): Add freq field.
841 (alloc_qty): Set freq.
842 (update_equiv_regs): Set REG_FREQ.
843 (QTY_CMP_PRI): Use freq.
844 (combine_regs): Update qty->freq.
845 * global.c (struct allocno): Update comment for n_refs;
847 (local_reg_freq): New array.
848 (global_alloc): Update freq field;
849 allocate and initialize local_reg_freq.
850 (allocno_compare): Use freq field.
851 (find_reg): Likewise.
852 * reload1.c (count_pseudo): Use freq isntead of n_refs.
853 (count_spilled_pseudo): Likewise.
855 * tm.texi (GCOV_TYPE_SIZE): Document.
856 * basic-block.h (gcov_type): Define.
857 (struct edge_def): Use gcov_type for count field.
858 (struct basic_block_def): Likewise.
859 * defaults.h (GCOV_TYPE_SIZE): Define.
860 * final.c (end_final): Use GCOV_TYPE_SIZE.
861 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
862 using HOST_WIDEST_INT_PRINT_DEC.
863 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
864 __write_gcov_type): New.
865 (store_long): Remove.
866 * gcov.c (gcov_type): Set default.
867 (struct adj_list): Use gcov_type for arc_count.
868 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
869 (create_program_flow_graph): Read arc_count properly.
870 (solve_program_flow_graph): 'total' is gcov_type.
871 (output_data): Line_counts is gcov_type, print it properly.
872 * libgcc2.c (struct bb): Counts is gcov_type.
873 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
874 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
875 (GCOV_TYPE_SIZE): Define.
876 (struct bb_info): succ_count and pred_count is gcov_type.
877 (compute_branch_probabilities): Use __read_gcov_type,
878 print read edges to the dump file.
879 (total): Is gcov_type.
880 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
882 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
884 * optabs.c (emit_libcall_block): When using non-call exceptions,
885 don't mark libcalls never throwing.
887 2001-06-21 Stan Shebs <shebs@apple.com>
889 * objc/objc-act.c (hash_init): Use xcalloc.
891 2001-06-21 Richard Henderson <rth@redhat.com>
893 * flow.c (entry_exit_blocks): Initialize frequency.
894 (split_block): Copy it.
895 (dump_flow_info): Dump it.
897 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
899 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
900 from machine-depedent_reorg for purposes of alignment supression
901 when no delay slot insn has been added.
903 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
905 * cppmacro.c (make_string_token): Null terminate.
907 2001-06-21 DJ Delorie <dj@redhat.com>
909 * config/alpha/alpha.h (struct machine_function): Remove.
910 * config/alpha/alpha.c (integrate.h): Include.
911 (override_options): Don't set up machine_status hooks.
912 (alpha_init_machine_status): Remove.
913 (alpha_mark_machine_status): Remove.
914 (alpha_free_machine_status): Remove.
915 (alpha_return_addr): Use get_hard_reg_initial_val.
916 (alpha_gp_save_rtx): Likewise.
917 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
919 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
921 * config/sh/sh.md (interrupt_function): Use
922 current_function_interrupt.
923 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
924 an interrupt function.
926 * config/sh/sh.h (current_function_interrupt): Define extern.
928 * config/sh/sh.c (current_function_interrupt): New global.
929 (sh_expand_prologue): Set current_function_interrupt.
931 2001-06-21 Phil Edwards <pme@sources.redhat.com>
933 * doc/install.texi: Add 'c' to list of --enable-languages choices.
935 2001-06-21 DJ Delorie <dj@redhat.com>
937 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
939 * integrate.c (ggc.h): Include.
940 (initial_value_pair, initial_value_struct,
941 setup_initial_hard_reg_value_integration): Add prototypes.
942 (expand_inline_function): Call
943 setup_initial_hard_reg_value_integration.
944 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
945 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
946 to keep track of values present at the start of a function.
947 (mark_hard_reg_initial_vals): New, for gc.
948 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
949 mappings for initial values.
950 (emit_initial_value_sets): New. Emits code to set initial value
952 * integrate.h: Add prototypes for new functions.
953 * function.h (struct function): Add hard_reg_initial_vals field.
954 * function.c (integrate.h): Include.
955 (mark_function_status): Call
956 mark_hard_reg_initial_vals.
957 * toplev.c (integrate.h): Include.
958 (rest_of_compilation): Call emit_initial_value_sets.
960 2001-06-21 Stan Shebs <shebs@apple.com>
962 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
963 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
964 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
965 everywhere instead of "Objective C".
967 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
969 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
970 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
971 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
972 "back end" as nouns and "front-end" and "back-end" as adjectives.
974 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
976 * predict.c (estimate_probability): Fix loop bounds.
978 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
980 * toplev.c (rest_of_compilation): Run mark_constant_function
983 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
985 * predict.c (estimate_loops_at_level, propagate_freq
986 estimate_bb_frequencies, count_to_freqs): New functions.
987 (estimate_probability): Call estimate_bb_frequencies.
988 * basic-block.h (basic_block_def): Add field "freq".
989 (BB_FREQ_MAX): New constant.
991 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
993 * sh.c (barrier_align): Don't ask for alignment when seeing a
994 branch-around-a-jump from machine_dependent_reorg.
996 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
998 * ssa.c (rename_block): Update parameter to remove_phi_alternative
999 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
1000 re-running life analysis.
1002 2001-06-20 Stan Shebs <shebs@apple.com>
1004 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
1005 also use memset to clear the hash tables.
1006 (hash_enter): Assume xmalloc always succeeds.
1007 (hash_add_attr): Ditto.
1008 (continue_class): Ditto.
1010 2001-06-20 Michael Meissner <meissner@redhat.com>
1012 * builtins.c (predict.h): Include.
1013 (expand_builtin_expect): Update comment.
1014 (expand_builtin_expect_jump): New function to expand
1015 __builtin_expect inside of a conditional jump expansion.
1017 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
1018 __builtin_expect (<test>, 1).
1020 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
1022 * rtl.h (expand_builtin_expect_jump): Add prototype.
1024 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
1026 * doc/rtl.texi (Machine Modes): Correct description of
1027 floating-point modes on machines with non-8-bit bytes.
1029 2001-06-19 Bernd Schmidt <bernds@redhat.com>
1031 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
1032 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
1035 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
1037 * ssa.c (remove_phi_alternative): Remove declaration. No longer
1038 static. Second argument is a pointer to a basic block structure,
1039 not a basic block index.
1040 (convert_to_ssa): Do not remove dead code.
1041 (convert_from_ssa): Do not remove dead code to create death notes.
1042 * ssa.h (remove_phi_alternative): Declare.
1044 * flow.c (delete_unreachable_blocks): Fix patch error in
1045 previous change (call to find_unreachable_blocks was lost).
1047 * ssa.c (ssa_uses): Remove definition.
1048 (apply_delayed_renames): Don't grow ssa_uses.
1049 (rename_block): Remove comment related to ssa_uses.
1050 (rename_registers): Do not initialize ssa_uses.
1051 (convert_from_ssa): Do not free ssa_uses.
1053 * ssa-dce.c: Renamed from dce.c.
1054 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
1055 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
1058 2001-06-19 Eric Christopher <echristo@redhat.com>
1060 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
1061 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
1062 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
1064 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
1066 * sh.c (output_branch): Delete bogus code.
1068 * sh.c (initial_elimination_offset):
1069 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
1071 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
1073 * flow.c (find_unreachable_blocks): New function.
1074 (delete_unreachable_blocks): Use find_unreachable_blocks.
1075 * basic-block.h (find_unreachable_blocks): Declare.
1077 * dce.c (eliminate_dead_code): Fix formatting glitch.
1079 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
1081 * c-common.h (RETURN_NULLIFIED_P): New macro.
1082 * c-semantics.c (genrtl_return_stmt): Check it.
1084 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
1085 (emit_block_move): Likewise.
1087 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
1089 * unroll.c: Include predict.h.
1090 (unroll_loop): Drop prediction notes on preconditioning.
1091 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
1092 New; add comments on the others.
1093 * Makefile.in: (unroll.o): Add dependancy on predict.h.
1094 * loop.c (strength_reduce): Fix branch prediction.
1096 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1098 * stmt.c (emit_case_nodes): Optimize test whether index is in given
1101 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1103 * predict.c (estimate_probability): Do not bail out early
1104 when note is present.
1105 (combine_predictions_for_insn): Fix note removal code.
1107 2001-06-18 Ben Elliston <bje@redhat.com>
1109 * except.c (resolve_fixup_regions): Initialise "cleanup".
1111 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
1113 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
1115 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1117 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
1118 use put_var_into_stack.
1120 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1122 * gccspec.c (lang_specific_driver): If compiling ObjC, add
1123 -shared-libgcc when necessary.
1124 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
1126 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
1128 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
1129 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
1130 bitmap_last_set_bit. All for compatibility with sbitmap's.
1132 *bitmap.c (bitmap_zero): New function.
1133 (bitmap_union_of_diffs): New function.
1134 (bitmap_first_set_bit): New function.
1135 (bitmap_last_set_bit): New function.
1137 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1139 * cpp.texi, invoke.texi: Update.
1140 * cpp.1, gcc.1: Regenerate.
1142 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1144 * i386.md (minsf): Fix splitter. (PR fortran/3191)
1146 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1148 * doc/cpp.texi: Update.
1149 * doc/cpp.1: Regenerate.
1151 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1153 * doc/install.texi: Use correct markup hints.
1155 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1157 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
1159 * explow.c (expr_size): If DECL and size specified, use it.
1161 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1163 * doc/cpp.texi: Formatting corrections.
1164 Correct buggy example of use of __GNUC__ etc.
1165 Clarify $ in identifiers.
1166 * doc/cpp.1: Regenerate.
1168 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1170 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
1172 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1174 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
1176 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
1177 Added Tru64 UNIX V5.1 bootstrap hints.
1178 (Specific, alpha*-*-osf*): Removed old section, obsolete.
1180 2001-06-15 Andreas Jaeger <aj@suse.de>
1182 * doc/install.texi (Specific): Mention that glibc cannot be
1183 compiled with GCC 3.0.
1185 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
1187 * combine.c (nonzero_bits): Don't optimize away division by
1190 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1192 * doc/cpp.texi: Revised and brought up to date.
1193 * doc/cpp.1: Regenerate.
1195 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1197 * doc/install.texi: Update --enable-threads to match reality.
1199 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1201 * doc/install.texi: Update for C4x.
1202 * README.C4X: Remove.
1204 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1206 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1207 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1208 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
1209 Consistently use "built-in" and "bit-field". Minor logical markup
1211 * doc/gcc.1: Regenerate.
1213 2001-06-14 Richard Henderson <rth@redhat.com>
1215 * config/mips/mips.md (exception_receiver): New.
1217 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
1219 * doc/gcc.texi: Update passes documentation to be more in tune
1222 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1224 * i386.c (ix86_expand_prologue): Fix merging conflict.
1226 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1228 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1229 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
1230 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
1231 logical markup. Use TeX quotes and dashes. Use @dots{} and
1232 @minus{}. Avoid spaces inside @var. Update last modification
1234 * doc/gcc.1, doc/gcov.1: Regenerate.
1236 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1238 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
1239 x86_epilogue_using_move): New global variables.
1240 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
1241 (ix86_emit_save_regs_using_mov): New static function.
1242 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
1243 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
1244 MASK_MIX_SSE_I387): Renumber.
1245 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
1246 (x86_accumulate_outgoing_args, x86_prologue_using_move,
1247 x86_epilogue_using_move): Declare.
1248 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
1250 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
1252 * inclhack.def (hpux10_cpp_pow_inline): New hack.
1254 2001-06-13 Richard Henderson <rth@redhat.com>
1256 * ifcvt.c (dead_or_predicable): Fix return value last patch.
1258 2001-06-13 Mark Mitchell <mark@codesourcery.com>
1262 2001-06-13 Richard Henderson <rth@redhat.com>
1264 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
1265 (cond_exec_process_if_block, dead_or_predicable): Likewise.
1267 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1269 * mips-tfile.c (copy_object): Always pass indexNil for symbol
1272 2001-06-13 Kazu Hirata <kazu@hxi.com>
1274 * config/h8300/h8300.h (OK_FOR_T): Remove.
1275 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
1276 * config/h8300/h8300.md: Remove alternatives involving inc and dec
1277 in the helper patterns for addhi3 and addsi3.
1279 2001-06-13 Phil Edwards <pme@sources.redhat.com>
1281 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
1283 2001-06-13 Zack Weinberg <zackw@stanford.edu>
1285 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
1286 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
1288 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
1289 config/alpha/t-osf4, config/mips/t-iris6: Extract all
1290 references to @shlib_map_file@, @shlib_objs@, or
1291 @shlib_base_name@ to Makefile variables.
1292 Bump soname version of libgcc to 1.
1294 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1296 * doc/install.texi: Use more logical markup. Include @node
1297 commands in the source when generating any non-HTML.
1299 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1301 * README: Remove. Some of the contents moved to ../README.
1303 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1305 * doc/install.texi (--enable-shared): List package names
1308 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1310 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
1311 (*-*-solaris*): Document problem in /bin/sh that affects
1312 configuring libraries.
1313 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
1314 (*-sun-solaris2.8): Document linker problem that explains why
1315 libjava is disabled by default.
1317 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1320 * toplev.c (rest_of_compilation): Remove dead code before
1323 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1326 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1327 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1328 * configure: Rebuilt.
1330 2001-06-12 Jim Wilson <wilson@redhat.com>
1332 * loop.c (strength_reduce): Move bl->all_reduced set before
1333 check_ext_dependant_givs call.
1334 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
1336 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1338 * doc/extend.texi (Function Attributes): Document SH's sp_switch
1341 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
1346 2001-06-12 Richard Henderson <rth@redhat.com>
1348 * config/i386/i386.c (ix86_expand_prologue): Always use
1349 gen_pro_epilogue_adjust_stack; update arguments.
1350 (ix86_expand_epilogue): Likewise.
1351 (ix86_emit_epilogue_esp_adjustment): Remove.
1352 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
1353 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
1354 clobber of scratch memory instead of a modification of EBP as the
1355 barrier. Update all peepholes to match.
1357 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1359 * doc/gcc.texi: Change the font used for @def... commands to a
1361 * doc/extend.texi: Use more logical markup. Use "built-in"
1362 instead of "builtin". Use @deftypefn to mark up built-in
1363 functions; specify their types in the @deftypefn and not in the
1364 descriptive text. Use TeX quotes and dashes. Add more index
1367 2001-06-12 lars brinkhoff <lars@nocrew.org>
1369 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
1370 (DIR_SEPARATOR_2): Likewise.
1372 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1374 * doc/install.texi (--exec-prefix, --bindir, --libdir,
1375 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
1377 (--enable-cpp): Change to document --disable-cpp instead; update
1378 to reflect current default.
1379 (--without-fast-fixincludes): Remove documentation.
1380 (Final install): Document installation directories in more
1381 detail. Document use of make dvi.
1383 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1385 * recog.c (validate_replace_rtx_1): Fix previous patch.
1387 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1389 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
1391 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1393 * simplify-rtx.c (simplify_subreg): Allow volatile memory
1394 to be subregged in case we don't have move instruction.
1396 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1398 * loop.c: Include predict.h
1399 (strength_reduce): Drop branch prediction note in case
1400 number of iterations is known.
1401 * predict.def (PRED_LOOP_ITERATIONS): new.
1402 * Makefile.in (loop.o): Add dependancy on predict.h
1404 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
1408 * c-typeck.c (c_start_case): Likewise.
1410 2001-06-12 Mark Mitchell <mark@codesourcery.com>
1412 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
1413 in a structure at a variable address.
1415 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1417 * doc/gcov.texi: Use more logical markup.
1419 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1421 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
1422 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
1423 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
1426 2001-06-11 Stan Shebs <shebs@apple.com>
1428 * config/darwin.h (ASM_FILE_END): Remove decl of language_string.
1430 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1432 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
1433 as an early clobber to make sure it is not used by reload in
1434 one of the operands.
1436 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1438 * doc/c-tree.texi: Update information about flag_honor_std.
1439 * doc/install.texi: Note that binutils is required on HPUX 11.
1440 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
1443 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
1444 variable-sized types.
1446 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1448 * doc/md.texi: Use TeX dashes and quotes.
1450 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1452 * doc/rtl.texi: Reference manual chapter about trees.
1454 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1456 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
1457 (WINT_TYPE): Override.
1458 (WINT_TYPE_SIZE): Likewise.
1459 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
1461 * config/sparc/sol2.h (WINT_TYPE): Define.
1462 (WINT_TYPE_SIZE): Likewise.
1464 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
1465 (WINT_TYPE): Override.
1466 (WINT_TYPE_SIZE): Likewise.
1467 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
1468 (CPP_ARCH64_SPEC): Likewise.
1470 2001-06-11 Richard Henderson <rth@redhat.com>
1472 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
1473 with alias attribute.
1475 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
1476 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
1478 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1480 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
1482 2001-06-11 Stan Shebs <shebs@apple.com>
1484 * config/darwin.c (darwin_encode_section_info): Rewrite to simplify
1485 and fix coding mistakes.
1487 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
1489 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
1490 return string from m32r_output_block_move.
1491 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
1493 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
1495 (ROUND_ADVANCE): Remove signed/unsigned conflict.
1496 * config/m32r/m32r.c: Declare prototypes for static functions.
1497 (move_src_operand): Replace INT32_P with UINT32_P.
1498 (function_arg_partial_nregs): Fixed signed/unsigned conflict
1499 in initialisation of 'size'.
1500 (m32r_sched_reord): Remove redundant declarations of 'code'.
1501 (m32r_output_block_move): Change to a void function.
1502 (m32r_encode_section_info): Cast return of
1503 TREE_STRING_POINTER to avoid compile time warning.
1505 2001-06-11 Richard Henderson <rth@redhat.com>
1507 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
1508 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
1509 (struct machine_function): Add gp_save_rtx.
1510 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
1511 (alpha_gp_save_rtx): New.
1512 * config/alpha/alpha-protos.h: Declare it.
1513 * config/alpha/alpha.md (exception_receiver): Make an expander.
1514 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
1516 2001-06-11 Richard Henderson <rth@redhat.com>
1518 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
1520 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1522 * configure.in: Align --help messages.
1523 Remove trailing full stops.
1524 Consistently use lower case.
1525 Fix DWARF 2 spelling.
1526 * configure: Rebuilt.
1528 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1530 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
1531 variants for .cpp/.cp/.c++ files.
1532 Move definition of __LANGUAGE_C_PLUS_PLUS ...
1533 (CPLUSPLUS_CPP_SPEC): ... here.
1535 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1537 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
1539 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1541 * c-decl.c (store_parm_decls): When comparing types in an
1542 old-style function declaration with those from a previous
1543 prototype, compare the unqualified versions of parameter types.
1546 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1548 * doc/objc.texi: Use more logical markup. Use TeX dashes.
1550 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1552 * doc/c-tree.texi: Use more logical markup.
1554 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1556 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1558 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
1560 * loop.c (scan_loop): Do not combine asm statements.
1562 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1564 * simplify-rtx.c (simplify_subreg): Fix offset calculation
1565 for complex values within a CONCAT.
1567 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1569 * doc/install.texi: Update details of what components are included
1570 in the GCC distribution. Update default directory for g++
1571 includes. Update documentation relating to old libio. Adjust
1572 documentation on DejaGnu environment variables. Remove
1573 documentation of --enable-cpplib.
1575 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1577 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1580 2001-06-10 Richard Henderson <rth@redhat.com>
1582 * ifcvt.c (life_data_ok): New.
1583 (merge_if_block): Use it to determine whether to update
1585 (if_convert): Set it.
1587 2001-06-10 Richard Henderson <rth@redhat.com>
1589 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1591 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1593 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1594 (SH Options): Document -mieee.
1595 * doc/install.texi (Final install): Remove obsolete information
1596 about installing cross compilers.
1597 * doc/gcc.1: Rebuilt.
1599 2001-06-10 Richard Henderson <rth@redhat.com>
1601 * config/alpha/alpha.c (override_options): Set align_loops,
1602 align_jumps, and align_functions.
1603 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1604 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1606 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1608 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1609 are one and two words in size.
1611 2001-06-10 Richard Henderson <rth@redhat.com>
1613 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1614 (Code Generation Options): Document -fnon-call-exceptions.
1616 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1618 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1620 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1622 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1624 2001-06-10 Mark Mitchell <mark@codesourcery.com>
1625 Gabriel Dos Reis <gdr@codesourcery.com>
1627 * Makefile.in (c-parse.o): Depend on diagnostic.h
1628 (dwarf2out.o): Likewise.
1630 * dwarf2out.c: #include diagnostic.h
1632 * toplev.h (warningcount, errorcount, sorrycount): Remove
1635 * toplev.c (warningcount, errorcount, sorrycount): Remove
1638 * diagnostic.h (struct output_buffer): Reorder fields.
1639 (diagnostic_kind_count): New macro.
1640 (errorcount, warningcount, sorrycount): Define as macros.
1641 (diagnostic_report_warnings_p): New macro.
1642 (output_state): Add diagnostic_count field.
1644 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1645 Remove tentative declaration.
1646 (count_error): Use diagnostic_report_warnings_p.
1648 * c-parse.in: #include diagnostic.h
1650 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1652 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1653 prefer a memory for operand 1.
1654 ("*addsi3"): Fix constraints, the '!' was too strong.
1655 ("*addsi3_split"): Accept soft register and split accordingly.
1657 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1659 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1660 Move definition in the RTX_CODE section.
1662 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1664 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1665 address as relative to the argument pointer.
1667 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1669 * predict.def (PRED_OPCODE): Place before call and error_return.
1671 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1673 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1674 * predict.c (estimate_probability): Calculate dominance
1675 information; improve detection of NORETURN heuristics;
1676 add call/error_return heuiristics; tweak comparison heuristics
1679 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1681 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1682 (Debugging Options): Document -print-multi-directory and
1684 * doc/gcc.1: Rebuilt.
1686 * toplev.c (independent_decode_option): Require `=' between
1687 `-aux-info' and filename in the same argument.
1688 * gcc.c: Don't pass -aux-info=filename twice.
1690 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1692 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1693 an array element with the known initializing value if it has
1696 * toplev.c (rest_of_compilation): Remove dead code before
1699 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1701 * cppinit.c (print_help): Document -fpreprocessed.
1702 * invoke.texi: Similarly.
1704 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1706 * predict.def: New file.
1707 * predict.h: New file.
1708 * predict.c: Include predict.h.
1709 (predictor_info): New structure and array.
1710 (predict_edge, predict_insn): Rewrite; make global.
1711 (predict_edge_def, predict_insn_def): New global functions.
1712 (dump_prediction, combine_predictions_for_insns): New
1714 (estimate_probability): Change calls to predict_edge
1715 to predict_edge_def and calls to predict_insn to predict_insn_def;
1716 combine probabilities.
1717 (expected_value_to_br_prob): Behave as predictor.
1718 * rtl.h (REG_BR_PRED): Update coment.
1719 (invert_br_probabilities): New.
1720 * jump.c: Include predict.h
1721 (duplicate_loop_exit_test): Drop branch prediction notes.
1722 (invert_jump): Use invert_br_probabilities.
1723 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1724 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1725 * combine.c (distribute_notes): Handle BR_PRED.
1727 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1729 * predict.c (predict_insn, predict_edge): New static functions.
1730 (estimate_probability): Revamp to use new functions;
1731 fix loop header heruistics; add loop exist heruistics
1733 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1735 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1737 2001-06-09 Peter Jakubek <pjak@snafu.de>
1739 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1741 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1743 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1744 for integer operations that don't update C bit.
1746 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1748 * gthr-posix.h (__gthread_objc_init_thread_system): If
1749 pthread_key_create fails, it's not clear what the return value is.
1750 This obvious fix makes sure it always returns -1 if a problem
1753 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1755 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1756 more index entries. Use more logical markup where appropriate.
1757 Use TeX quotes and dashes.
1759 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1761 * unwind-pe.h: Conditionally qualify references to abort with
1764 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1766 * doc/invoke.texi: Remove superfluous text.
1768 2001-06-08 Richard Henderson <rth@redhat.com>
1770 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1771 (LIB_SPEC): Mirror config/linux.h version.
1773 2001-06-08 Richard Henderson <rth@redhat.com>
1775 * except.c (get_exception_pointer, get_exception_filter): Take a
1776 struct function. Update all callers.
1777 * except.h (get_exception_pointer): Update declaration.
1778 * expr.c (expand_expr): Update get_exception_pointer call.
1779 * integrate.c (expand_inline_function): Remap the exception pointer
1780 from callee to caller.
1782 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1784 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1785 accurately reflect its cv-qualification.
1786 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1787 cv-qualifiers on function types.
1789 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1791 * basic-block.h: Improve comments.
1792 * except.c (expand_eh_region_end_allowed): Remove redundant call
1793 to do_pending_stack_adjust.
1794 * flow.c (life_analysis): Fix typo in comment.
1795 (calculate_global_regs_live): Add documentation.
1796 (mark_set_1): Likewise.
1797 (debug_regset): Likewise.
1798 * doc/rtl.texi (cond_exec): Document it.
1800 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1802 * i386.h (CONST_COSTS): set cost of constants representable in
1803 immediate fields to 0.
1805 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1807 * function.c (diddle_return_value): Kill code to determine
1808 return value before expand_function_end.
1809 (expand_function_end): Delay call to clobber_return_register
1810 after fucntion return value is computed.
1812 Re-install temporary reverted patch:
1813 * toplev.c (rest_of_compilation): Call split_all_insns
1814 before reg-stack and shorten-branches. Do shorten-branches
1816 * final.c (shorten_branches): Remove insn splitting code.
1818 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1820 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1821 options. Use @opindex to index them rather than other indexing
1822 commands. Use @var{...} instead of <...>. Avoid spaces in names
1823 inside @var. Don't use @kindex to index escape sequences in
1826 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1828 * stmt.c (current_nesting_level): New fn.
1829 * tree.h: Declare it.
1830 * c-semantics.c (genrtl_compound_stmt): Use it.
1832 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1834 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1836 * jump.c (mark_modified_reg): Allow jump threading if condition
1837 codes are represented by a hard register.
1839 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1841 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1842 for complex floats passed to unprototyped functions.
1844 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1846 * except.c (expand_eh_region_end_allowed): Call
1847 do_pending_stack_adjust as necessary.
1849 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1851 * function.c (clobber_return_register): Clobber the pseudo return
1854 * sibcall.c (skip_unreturned_value): New function.
1855 (call_ends_block_p): Use it.
1857 * recog.c (split_insn): Break out from ...
1858 (split_all_insns): ... here; do not use basic block information
1861 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1863 * simplify-rtx.c (simplify_subreg): Fix verification of
1866 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1868 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1869 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1870 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1871 (CPLUSPLUS_CPP_SPEC): ... here.
1872 Fixes PRs c++/3047, target/441.
1874 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1876 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1878 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1880 * doc/gcc.texi: Add trailing slash to URL.
1882 2001-06-07 Stan Shebs <shebs@apple.com>
1884 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1885 (REDO_SECTION_INFO_P): Ditto.
1886 (STRIP_NAME_ENCODING): Ditto.
1887 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1888 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1889 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1890 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1891 * config/darwin.c: No longer include c-tree.h.
1892 (machopic_classify_ident): Rewrite to use symbol encoding.
1893 (lookup_name_darwin): Remove.
1894 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1895 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1896 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1897 (machopic_finish): Ditto, remove test of decl.
1898 (update_non_lazy_ptrs): New function.
1899 (darwin_encode_section_info): New function.
1900 * config/darwin-protos.h: Declare it.
1901 * config/rs6000/rs6000.c (machopic_output_stub): Use
1902 STRIP_NAME_ENCODING.
1904 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1906 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1907 (DECL_SOURCE_LINE): Likewise.
1909 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1911 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1912 from config/elfos.h.
1914 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1916 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1917 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1919 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1921 * doc/contrib.texi: Add copyright notice.
1923 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1925 * doc/md.texi: Use four digit years in copyright notice.
1927 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1929 * config.gcc: For $target_alias of athlon-*, set
1930 target_cpu_default2=5.
1932 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1934 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1935 end of last block if last real insn is a JUMP_INSN.
1937 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1941 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1943 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1944 pthread_t to objc_thread_t.
1945 (__gthread_objc_thread_id): Likewise.
1947 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1949 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1950 (ASM_OLDAS_SPEC): Likewise.
1952 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1953 (CPP_SUBTARGET_SPEC): Use it.
1954 (ASM_OLDAS_SPEC): Define.
1956 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1958 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1960 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1961 passed by reference.
1963 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1965 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1966 Document use of N_(...), and show it in examples. Note that
1967 documentation should be added to invoke.texi. Avoid an overfull
1970 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1972 * toplev.c (rest_of_compilation): Revert previous patch.
1973 * final.c (shorten_branches): Likewise.
1975 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1977 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1980 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1982 * doc/install-old.texi: Remove more obsolete documentation.
1984 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1986 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1988 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1990 * toplev.c (rest_of_compilation): Call split_all_insns
1991 before reg-stack and shorten-branches. Do shorten-branches
1993 * final.c (shorten_branches): Remove insn splitting code.
1995 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1997 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1998 * configure: Rebuilt.
2000 2001-06-07 Andreas Jaeger <aj@suse.de>
2002 * emit-rtl.c (operand_subword): Remove unused variable.
2004 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2006 * i386.md (floatdi?f): Avoid usinf of SSE instructions
2007 if TARGET_64BIT is false.
2008 (floatdi?f_i386_only): New insn.
2009 (floatdi?f_i386): Disable for !TARGET_64BIT.
2011 * (min?f, max?f splitters): Handle case where
2012 operands are cross-matched.
2014 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
2015 (MMX_REGISTER_NAMES): Kill.
2016 (PRINT_OPERAND): Fix comment.
2017 (PRINT_REG): Likewise.
2018 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
2019 (print_operand): Update comment; kill 'm'.
2021 * i386.c (x86_branch_hints): New global variable
2022 (print_operand): Support outputting of branch prediction hints.
2023 * i386.md (conditional jump patterns): Add branch prediction hints
2025 * i386.h (x86_branch_hints): Declare
2026 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
2027 (PRINT_OPERAND_FUNCT_VALID_P): New.
2028 * final.c (final_forward_branch_p): New function.
2030 2001-06-06 Richard Henderson <rth@redhat.com>
2032 * flow.c (mark_used_reg): Clean up looping over multiple hard
2033 registers. Do conditional life bits across multiple hard regs.
2035 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
2037 * reload1.c (reload): Revert Schmidt's change so all USEs are not
2038 deleted during reload.
2040 2001-06-05 Mark Mitchell <mark@codesourcery.com>
2042 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
2043 functions here, instead of ...
2044 * c-decl.c (c_expand_body): ... here.
2046 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2048 * config.gcc, config/sparc/bsd.h: Do not directly include
2049 sparc/sparc.h. Instead do it via tm_file.
2051 2001-06-05 Richard Henderson <rth@redhat.com>
2053 * dwarf2.h (DW_EH_PE_aligned): New.
2054 * dwarf2asm.c (eh_data_format_name): Name it.
2055 (dw2_asm_output_encoded_addr_rtx): Align for it.
2056 * dwarf2out.c (output_call_frame_info): Handle it for personality
2057 routine and LSDA pointers.
2059 * unwind-pe.h (DW_EH_PE_aligned): New.
2060 (base_of_encoded_value): Handle it.
2061 (read_encoded_value_with_base): Likewise.
2062 * unwind-dw2-fde.c (base_from_object): Likewise.
2063 (get_cie_encoding): Likewise.
2065 * config/alpha/elf.h: Remove ecoff commentary.
2066 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2068 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2070 * config.gcc, config/i386/bsd386.h: Do not directly include
2071 i386/386bsd.h. Instead do it via tm_file.
2073 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2075 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
2078 2001-06-05 Pascal Obry <obry@act-europe.fr>
2080 * configure.in: Quote $enable_win32_registry in case the value has
2084 2001-06-05 Mark Mitchell <mark@codesourcery.com>
2086 * print-rtl.c (xspaces): Remove.
2087 (print_rtx): Use printf field-width, rather than xpsaces, to
2089 * toplev.c (main): Disable sibling-call optimization if we are
2090 handling exceptions.
2092 2001-06-05 Bernd Schmidt <bernds@redhat.com>
2094 * reload1.c (reload): Delete all USEs generated during reload.
2096 2001-06-05 scott snyder <snyder@fnal.gov>
2098 * gccbug.in: Fix typo.
2100 2001-06-05 Andreas Jaeger <aj@suse.de>
2102 * builtins.def: Fix definition of __builtin_cosf, it uses float as
2103 parameter and return value.
2105 2001-06-04 Anthony Green <green@redhat.com>
2107 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
2108 machine. This is now done in sparc.h.
2110 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2112 Correct CVS resurrection of invoke.texi.
2113 * doc/invoke.texi: Document new tree dump flags.
2115 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2117 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
2118 for casting an aggregate to its own type. Fixes PR c/2735.
2120 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2122 * doc/texinfo.tex: Update to version 2001-05-24.08.
2124 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2126 * c-common.h (flag_dump_translation_unit): Remove.
2127 (enum tree_dump_index): Define.
2128 (TDF_ADDRESS, TDF_SLIM): New #defines.
2129 (dump_node_to_file): Remove.
2130 (dump_node): Make extern. Add flags.
2131 (dump_flag, dump_enabled_p, dump_begin, dump_end,
2132 dump_switch_p): Prototype.
2133 * c-common.c (flag_dump_translation_unit): Remove.
2134 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
2135 logic. Use dump_switch_p.
2136 * c-dump.h (struct dump_info): Add node and user fields.
2137 (dump_pointer): Declare.
2138 * c-dump.c (dump_node): Make extern. Add flags.
2139 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
2140 (dump_new_line, dump_maybe_newline): Use them.
2141 (dump_pointer): New function.
2142 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
2143 chain or function's body. Dump address, if TDF_ADDRESS set.
2144 (dump_flag): Define.
2145 (dump_node_to_file): Remove.
2146 (struct dump_file_info): New struct.
2147 (dump_files): New array.
2148 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
2149 * c-lang.c (finish_file): Adjust dumping.
2150 * toplev.h (dump_base_name): Make extern.
2151 * invoke.texi: Document new flags.
2153 2001-06-04 Mark Mitchell <mark@codesourcery.com>
2155 * c-tree.h (lang_decl): Add pending_sizes fields.
2156 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
2158 (c_expand_body): Expand them.
2159 (lang_mark_tree): Mark lang_decl:pending_sizes.
2160 * function.c (expand_pending_sizes): New function, broken out
2162 (expand_function_start): ... here.
2163 * tree.h (expand_pending_sizes): Declare it.
2165 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
2167 * doc/install.texi: Update FreeBSD information. Generalize
2168 and update information for alpha-based platforms using ELF.
2170 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2172 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
2173 (store_parm_decls): Likewise.
2174 * c-typeck.c (convert_arguments): Likewise.
2176 2001-06-04 Richard Henderson <rth@redhat.com>
2178 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
2179 optimization if current_function_calls_setjmp.
2181 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
2183 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
2186 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2188 * simplify-rtx.c (simplify_subreg): Fix combining of
2189 paradoxical subregs.
2191 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2193 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
2194 (no_labels_between_p): Short circuit case beg==end.
2196 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2198 * rtlanal.c (operand_preference): Fix preference for objects.
2200 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2202 * gcse.c (handle_avail_expr): Be prepared to handle single_set
2205 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2207 * combine.c (if_then_else_cond): Use simplify_subreg instead
2209 * integreate.c (sub_constants): Likewise.
2211 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2213 * emit-rtl.c (constant_subword): Deprecate; remove most of code
2214 and use simplify_gen_subreg.
2216 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
2218 * sibcall.c (skip_copy_to_return_value): recognize the situation
2219 when the called function's return value is copied into an
2220 intermediate pseudo, and then into the calling functions return
2223 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2225 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
2226 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
2227 in case register wasn't OK previously, accept it now; allow
2228 subregs of frame pointer if reload completed and frame pointer
2231 * combine.c (sombine_simplify_rtx): Fix comment;
2232 use subreg_lowpart_offset instead of subreg_lowpart_p
2233 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
2234 * rtl.h (subreg_lowpart_parts_p): Kill.
2235 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
2236 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
2237 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
2238 (gen_lowpart_common): Likewise.
2239 (subreg_lowpart_p): Likewise.
2240 (subreg_lowpart_parts_p): Kill.
2241 (subreg_lowpart_offset, subreg_highpart_offset): New function.
2243 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
2244 to simplify SUBREG and REG.
2245 (gen_highpart): Use simplify_gen_subreg for all simplifications.
2247 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
2250 * rtlanal.c (replace_regs): Use simplify_gen_subreg
2252 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2254 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
2255 (ARRAY_RANGE_REF): Added description.
2257 * tree.def (ARRAY_RANGE_REF): New code.
2258 * alias.c (handled_component_p, can_address_p): Handle it.
2259 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2260 * explow.c (set_mem_attributes): Likewise.
2261 * expr.c (expand_assignment, get_inner_reference): Likewise.
2262 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
2263 * fold-const.c (operand_equal_p): Likewise.
2264 * tree.c (staticp, stabilize_reference): Likewise.
2265 * varasm.c (decode_addr_const): Likewise.
2267 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2269 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
2270 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
2272 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
2274 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
2275 mark_constant_pool_use before output_addr_const.
2276 (struct pool_node): New field wend.
2277 (add_constant): Note a sequence of constants that are referenced
2279 (pool_window_label, pool_window_last): New variables.
2280 (dump_table): Emit a unspec_volatile representing the end of a
2281 sequence of constants.
2282 (mark_constant_pool_use): New function.
2283 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
2284 (consttable_2): Add the second operand which flags whether
2285 this consttable entry was used or not.
2286 (consttable_4, consttable_8, consttable_sf, consttable_df):
2288 (consttable_window_end): New insn.
2290 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2292 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
2293 Reformat according to coding standards.
2296 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
2297 (shl_and_kind): Cast wide constant.
2298 (gen_far_branch): Define as static, as in declaration.
2299 (barrier_align): Compute cache-line length as unsigned. Add
2300 parentheses in initial credit computation.
2301 (rounded_frame_size): Add parentheses.
2302 (permanent_obstack): Remove declaration. Include ggc.h for
2303 declaration of ggc_add_root_rtx().
2304 (get_free_reg): Removed declaration of unused variable reg.
2305 (legitimize_pic_address): Mark mode argument as unused.
2307 2001-06-03 Igor Shevlyakov <igor@windriver.com>
2309 * config/sh/sh.c (output_branch): Support for insn with lenght
2310 attr 12 & 16 which represents cond branches outside +-4096 range.
2312 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2314 * config/sh/lib1funcs.asm (ic_invalidate): Align the
2315 cache-mirroring sequence. Add nops.
2317 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
2319 * doc/install-old.texi: Remove more old installation
2321 * doc/install.texi: Add relevant parts here.
2323 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2325 * doc/install.texi2html: New script.
2327 2001-06-03 David Edelsohn <edelsohn@gnu.org>
2329 * doc/install.texi: Update AIX information again.
2331 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2333 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
2334 installation documentation.
2335 * doc/install.texi: Move it to here.
2337 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2339 * doc/install.texi: Clean up Texinfo markup.
2341 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2343 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
2344 to just after title page.
2346 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2348 * doc/install-old.texi: Remove documentation of some configuration
2350 * doc/install.texi: Add relevant parts of this documentation here.
2352 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2354 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
2355 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
2357 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2359 * i386.md (all uses of ext_register_operand): Make sure they are
2360 VOIDmode; replace all uses outside zero_extend.
2361 (and?i splitters): Use ext_register_operands.
2362 (test?i peep2): Remove ignored constraints.
2363 * i386.c (ext_register_operand): Check that operand is
2364 eighter pseudo or hard or 'Q' register.
2366 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2368 * tree.h (struct record_layout_info_s): New field unpadded_align.
2369 (set_lang_adjust_rli): New declaration.
2370 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
2371 it would have if not packed, do not downgrade DECL_ALIGN.
2372 (lang_adjust_rli, set_lang_adjust_rli): New.
2373 (start_record_layout): Initialize new field unpadded_align.
2374 (debug_rli): Display it.
2375 (place_union_field, place_field): Set it.
2376 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
2378 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
2379 mean that; use proper names instead.
2380 Print DECL_NO_STATIC_CHAIN.
2382 * except.c (expand_builtin_frob_return_addr): Add missing call
2383 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
2384 (expand_builtin_eh_return): Likewise.
2385 (expand_eh_return): Clean up ptr_mode != Pmode cases.
2387 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
2389 * doc/invoke.texi: Remove references to papers about sequence points
2390 to readings.html, refer to that page.
2392 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2394 * README: Update references to installation instructions.
2396 2001-06-01 Laurent Guerby <guerby@acm.org>
2397 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2399 * doc/install.texi: Define srcdir when sources come from CVS.
2400 Significantly improve markup. Wrap overly long lines
2402 2001-06-01 DJ Delorie <dj@redhat.com>
2404 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
2405 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
2406 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
2407 gcov.1: Move to doc subdirectory.
2408 * install.texi: Move to doc/install-old.texi.
2409 * gcc.texi: Move to doc, refer to install-old.texi.
2410 * Makefile.in: Reflect move of docs to doc/.
2411 * f/Make-lang.in: Ditto.
2412 * java/Make-lang.in: Ditto.
2413 * doc/.cvsignore: New.
2415 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2417 * invoke.texi: use two spaces between command options, eliminate
2418 some 'overfull hboxes'
2420 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
2422 * Makefile.in (s-mlib): Make backtick-commands always succeed.
2423 (DRIVER_DEFINES): Ditto.
2425 2001-05-31 Richard Henderson <rth@redhat.com>
2427 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
2428 also link against libgcc.a.
2430 2001-05-31 Geoff Keating <geoffk@cygnus.com>
2432 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
2433 * config/mips/mips.c (mips_output_ascii): New function.
2434 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
2436 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
2438 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2440 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
2441 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
2443 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
2445 * install.texi (Configuration): Add html links for --with-gnu-as &
2446 --with-gnu-ld and refer to them from hppa & SCO triplets.
2447 (Specific): Link back to with-gnu-ld for all ELF platfoms.
2448 (Specific): Reword AVR binutils recommendation.
2450 2001-05-30 Zack Weinberg <zackw@stanford.edu>
2452 * ggc-page.c (size_lookup): Increase minimum allocation size
2454 (ggc_print_statistics): Report size of each bin in bytes, not
2455 as its order; there is no longer a direct relationship.
2457 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2459 * extend.texi: Fix formating of examples, eliminate some
2461 * gcc.texi: Eliminate some 'overfull hboxes'.
2462 * invoke.texi: Use two spaces between command options, eliminate
2463 some 'overfull hboxes'.
2465 2001-05-30 Richard Henderson <rth@redhat.com>
2467 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
2469 2001-05-30 Tom Tromey <tromey@redhat.com>
2471 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
2472 use it in the new association.
2474 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
2475 John David Anglin <dave@hiauly1.hia.nrc.ca>
2477 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
2478 to target type to allow ISO C++ compiler to accept it.
2479 * gthr-dce.h (__gthread_active_ptr): Likewise.
2480 * gthr-solaris.h (__gthread_active_ptr): Likewise.
2482 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2484 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
2485 so that we do accept comments in preprocessed input.
2487 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2489 * cpphash.c (alloc_node): Cast allocated pointer.
2491 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
2493 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
2495 2001-05-29 Stan Shebs <shebs@apple.com>
2497 * gcc.texi: Add links for information about Objective-C.
2499 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
2501 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
2502 /bin/sed fails on [^\"]).
2503 (configargs.h): Likewise.
2505 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
2507 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
2509 2001-05-28 Stan Shebs <shebs@apple.com>
2511 * objc/objc.gperf: Remove, no longer used.
2513 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
2515 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
2516 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
2517 Remove trailing whitespace.
2519 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2521 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
2522 became http://freeware.sgi.com/.
2524 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
2526 * local-alloc.c (update_equiv_regs): Don't eliminate constant
2529 2001-05-27 Stan Shebs <shebs@apple.com>
2531 * objc/objc-act.c: Add/fix various comments.
2532 (init_selector): Remove, no longer used.
2533 (build_msg_pool_reference): Ditto.
2534 (objc_debug): Ditto.
2536 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2538 * c-decl.c (init_decl_processing):
2539 Don't call start_identifier_warnings.
2540 * flags.h (warn_id_clash, id_clash_len): Remove.
2541 * stringpool.c: Don't include flags.h.
2542 (scan_for_clashes, do_identifier_warnings,
2543 start_identifier_warnings): Remove.
2544 * toplev.c (warn_id_clash, id_clash_len): Remove.
2545 (display_help): Don't document -Wid-clash.
2546 (decode_W_option): Print warning on -Wid-clash.
2547 * tree.h (start_identifier_warnings): Remove.
2548 * invoke.texi: Remove documentation of -Wid-clash.
2550 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
2554 2001-05-27 Bruce Korb <bkorb@gnu.org>
2556 * fixinc/check.tpl(HACK) add and use a Scheme variable
2557 (has no test text): error out if no "test_text" is defined
2558 * fixinc/fixincl.tpl: likewise
2559 (FIXIDX): make it an enumeration so we minimize diffs
2560 * fixinc/inclhack.def: re-alphabetize and add sort instructions
2561 * fixinc/fixincl.x: regenerate
2562 * fixinc/tests/base/stdio.h: test output got moved due to
2564 * README-fixinc: rewrite (mostly)
2566 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2568 * cpplib.c (run_directive): Set pfile->directive.
2570 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2572 * c-tree.texi: Reformat the manual as a single chapter now
2573 included by gcc.texi.
2574 * gcc.texi: Include c-tree.texi. Merge all indexes.
2575 * Makefile.in (dvi): Add generation for the cppinternals
2576 documentation. Added dependencies on fdl.texi and c-tree.texi
2577 where appropriate. Use TEXI2DVI instead of custom tex calls.
2578 (info): Added dependencies on fdl.texi and c-tree.texi where
2579 appropriate. Remove the target c-tree.info.
2581 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
2583 * combine.c (try_combine): Fix typo in comment.
2584 * expr.c (expand_expr): Likewise.
2585 * config/i370/i370.md (untyped_call): Likewise.
2587 2001-05-26 Bruce Korb <bkorb@gnu.org>
2589 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2590 when fixincl is operating in test mode
2591 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2592 (AAB_ultrix_limits): remove redundant text
2593 (AAB_ultrix_memory): ditto
2594 (AAB_ultrix_string): ditto
2595 (djgpp_wchar_h): fix the test text
2596 (irix_stdio_va_list): add test text
2597 (irix_limits_const): add a testing output file (limits.h is overwritten)
2598 (strict_ansi_not_ctd): put limits.h second in list for same reason
2599 (solaris27_mutex_init): test text needed selection text, too
2601 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2602 when fixincl is operating in test mode
2604 2001-05-26 Philip Blundell <philb@gnu.org>
2606 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2607 * config/i960/i960-protos.h: Likewise.
2608 * config/i370/i370-protos.h: Likewise.
2609 * config/h8300/h8300-protos.h: Likewise,
2610 * config/sh/sh-protos.h: Likewise.
2611 * config/v850/v850-protos.h: Likewise.
2613 2001-05-26 Philip Blundell <philb@gnu.org>
2615 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2617 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2619 * toplev.c (debug_args, f_options, W_options): Mark
2620 descriptions for translation.
2621 (display_help): Translate descriptions on output.
2623 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2624 objc/lang-options.h: Mark descriptions for translation.
2626 * aclocal.m4: Quote final argument of patsubst. Use
2627 3-argument form of AC_DEFINE. Restore quotes to [] while
2629 * configure.in: Remove unnecessary changequote calls.
2630 * configure, config.in: Regenerate.
2632 2001-05-25 Sam TH <sam@uchicago.edu>
2634 * basic-block.h: Fix header include guards.
2635 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2636 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2637 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2638 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2639 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2640 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2641 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2642 varray.h version.h: Likewise.
2643 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2644 config/arm/arm.h config/c4x/c4x-protos.h
2645 config/h8300/h8300-protos.h config/h8300/h8300.h
2646 config/i370/i370-protos.h config/i370/i370.h
2647 config/i960/i960-protos.h config/mcore/mcore.h
2648 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2649 config/v850/v850-protos.h config/v850/v850.h: Likewise.
2650 * fixinc/fixlib.h fixinc/server.h: Likewise.
2652 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2654 * config/arc/initfini.c (.init): Fix typo.
2656 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
2658 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2660 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2662 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2664 2001-05-25 Richard Henderson <rth@redhat.com>
2666 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2668 2001-05-25 Richard Henderson <rth@redhat.com>
2670 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2671 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2672 (sparc*-*-solaris2): Likewise.
2673 * config/t-linux: Remove shared libgcc macros.
2674 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2675 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2677 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2679 * config.gcc (*-*-freebsd*): Report bad configuration.
2681 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2683 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2685 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2687 (ASM_OUTPUT_LABELREF): Delete.
2689 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2691 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2692 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2693 * fixinc/fixincl.x: Regenerate.
2694 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2695 (FIX_TEST_TABLE): Declare it.
2696 * fixinc/fixlib.h: Include config.h.
2698 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2700 * fixinc/inclhack.def (alpha___assert): Change char * args to
2701 const char * on Tru64 UNIX to avoid excessive warnings from
2703 * fixinc/fixincl.x: Regenerate.
2705 2001-05-25 Geoff Keating <geoffk@redhat.com>
2707 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2708 outputting a tag only for variable-size records.
2710 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2712 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2713 instead of rtx_equal_p for early clobber test.
2715 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2717 * builtins.def: Encode additional information, such as names and
2719 * builtin-types.def: New file.
2720 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2721 (built_in_decls): Likewise. Don't explicitly initialize global
2723 (expand_builtin_mathfn): Handle float and long double variants of
2725 (expand_builtin): Likewise.
2726 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2727 (expand_tree_builtin): Handle long, long long, float, and long
2728 double variants of math functions.
2729 * c-common.h (c_tree_index): Remove some unused nodes.
2730 (void_ftype): Remove.
2731 (void_type_ptr): Likewise.
2732 (int_ftype_int): Likewise.
2733 (ptr_ftype_sizetype): Likewise.
2734 * c-decl.c (init_decl_processing): Remove creation of DWARF
2736 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2737 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2738 * Makefile.in (c-common.o): Depend on builtin-types.def.
2740 2001-05-25 Dale Johannesen <dalej@apple.com>
2742 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2744 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2746 * c-parse.in (notype_initdcl): Remove redundant line.
2748 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2750 * aclocal.m4: Fixed typo.
2751 (gcc_AC_HEADER_STDBOOL): Define.
2752 (gcc_AC_C__BOOL): Define.
2753 * configure.in: Use them.
2754 (AC_CHECK_HEADERS): Remove stdbool.h
2755 * configure, config.in: Regenerate.
2757 2001-05-25 Richard Henderson <rth@redhat.com>
2759 * function.c (expand_function_start): Don't abort on PARALLEL
2760 returns from hard_function_value.
2762 2001-05-25 Richard Henderson <rth@redhat.com>
2764 * config/i386/i386.md: Revert previous change. Do not apply
2765 the peephole if the components do not die after the sequence.
2767 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2769 * c-parse.in (array_declarator): New. Handle C99 constructs.
2770 Don't restrict [*] declarators to C only.
2771 (after_type_declarator, parm_declarator_starttypename,
2772 parm_declarator_nostarttypename, notype_declarator,
2773 direct_absdcl1): Use it.
2774 * c-decl.c (build_array_declarator, set_array_declarator_type):
2775 New functions. Warn that [*] isn't properly implemented; pedwarn
2776 for [*] outside C99 mode if pedantic rather than giving a hard
2778 (grokdeclarator): Handle static and type qualifiers in parameter
2780 * c-tree.h (build_array_declarator, set_array_declarator_type):
2782 * extend.texi (Attribute Syntax): Document attributes in parameter
2785 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2787 * config/i386/i386.md: Make sure cmpstr peepholes do not
2788 affect liveness information.
2790 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2792 * c-typeck.c (digest_init): Issue error messages about
2793 invalid constants, not warnings.
2795 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2797 * invoke.texi (-fno-builtin): Document that this is always on
2800 2001-05-24 Philip Blundell <philb@gnu.org>
2802 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2805 2001-05-24 Philip Blundell <philb@gnu.org>
2807 * config/arm/arm.c (output_return_instruction): Correctly handle
2808 interworking and interrupt functions.
2810 2001-05-24 Philip Blundell <philb@gnu.org>
2812 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2813 -m{no-}sched-prolog. Fix typos and improve formatting.
2815 2001-05-24 Philip Blundell <philb@gnu.org>
2817 * invoke.texi (ARM Options): Improve wording slightly. Add
2818 documentation for more options, including those for Thumb mode.
2819 Don't mention options that don't exist or are unimplemented.
2820 (Thumb Options): Delete; merged into above section.
2822 2001-05-24 Geoff Keating <geoffk@redhat.com>
2824 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2825 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2827 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2829 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2830 fix hard register simplification.
2832 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2834 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2835 of just copying CPP_CPU_SPEC.
2837 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2839 * i386.c (incdec_operand): Accept only 1 and -1.
2841 2001-05-23 Kelley Cook <kelley.cook@home.com>
2843 * Makefile.in: Move many of the *_H definitions eariler in the
2844 file, so that rules in t-* files that use them for
2845 dependencies will work in a parallel build.
2846 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2848 2001-05-23 Richard Henderson <rth@redhat.com>
2850 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2852 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2854 * cpp.texi: Update for handling of charconsts.
2855 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2856 diagnostics. Skip to the end if the UCS is too short.
2857 (cpp_interpret_charconst): Long charconsts issue a warning
2860 2001-05-23 Richard Henderson <rth@redhat.com>
2862 * doc/install.texi (alpha-linux): Require binutils 2.11.
2864 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2866 * c-lex.c (read_escape, read_ucs): Delete.
2867 (lex_string): Use cpp_parse_escape.
2868 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2869 if not C++ or not C99. Warn if traditional.
2870 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2871 unsigned. Warn for out-of-range escape sequences here.
2872 Update to use maybe_read_ucs.
2873 (cpp_interpret_charconst): Don't warn here.
2874 * cpplib.h (cpp_parse_escape): New exported function.
2876 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2878 * extend.texi (Attribute Syntax): Clarify application of
2879 attributes to parameters declared as functions or arrays.
2881 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2883 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2885 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2887 * diagnostic.c (vnotice): Kill.
2888 (fnotice): Call vfprintf directly.
2889 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2890 verbatim, set_diagnostic_context): Rename string argument to
2891 indicate that it is run through gettext.
2892 (vbuild_message_string, build_message_string, output_do_printf):
2893 Rename string argument to indicate that it is NOT run through
2895 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2896 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2897 Run msgid argument through gettext.
2898 (default_print_error_function): Run constant strings through
2899 gettext when nothing else will.
2900 (fatal_error, internal_error, error_recursion): Use fnotice.
2901 Present complete sentences to gettext.
2903 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2905 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2907 2001-05-23 Richard Henderson <rth@redhat.com>
2909 * function.c (expand_function_start): Always use a pseudo
2910 for the function result value.
2912 2001-05-22 Richard Henderson <rth@redhat.com>
2914 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2915 section pointer alignment.
2917 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2919 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2920 of __USER_LABEL_PREFIX__.
2922 2001-05-22 Richard Henderson <rth@redhat.com>
2924 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2925 (__deregister_frame_info_bases): New.
2926 * unwind-dw2-fde.h: Declare it.
2927 * libgcc-std.ver: Export it.
2928 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2929 called __register_frame_info_bases.
2931 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2933 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2934 instead of #elif (which is OK for this case but not in general).
2936 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2938 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2939 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2940 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2941 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2942 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2944 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2945 David O'Brien <obrien@freebsd.org>
2947 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2948 configure-time options and target version of FreeBSD. Set-up
2949 to match architectural change in threading support. Correctly
2950 report when -pthread option is not supported by configure-time
2952 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2953 and extend to encode target version number in run-time setting
2954 of __FreeBSD__ macro to match the system compiler.
2955 (CPP_PREDEFINES): Likewise.
2956 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2958 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2959 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2961 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2962 David O'Brien <obrien@freebsd.org>
2964 * config.gcc (the unlabeled system switch statement): Add
2965 generic configuration section to handle *-*-freebsd*. Also,
2966 to match the system compiler, default to threading support (it
2967 may be disabled with the standard --disable-threads
2968 configuration-time switch).
2969 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2970 (alpha*-*-freebsd* in machine-specific section): Likewise.
2972 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2973 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2974 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2975 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2976 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2978 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2979 David O'Brien <obrien@freebsd.org>
2981 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2982 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2983 -pthread instead setting macro.
2985 2001-05-22 Richard Henderson <rth@redhat.com>
2987 * crtstuff.c (__register_frame_info_bases): Declare.
2988 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2989 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2991 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2992 (CRT_GET_RFIB_DATA): New.
2993 * config/i386/sysv4.h: Likewise.
2994 * config/i386/sco5.h: Likewise.
2995 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2997 2001-05-22 Richard Henderson <rth@redhat.com>
2999 * rtl.c (read_string): Break out from ...
3000 (read_rtx): ... here.
3002 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3004 * doc/install.texi (Specific): Remove a bogus and duplicate part
3005 copied from the end of the document.
3007 2001-05-22 Bernd Schmidt <bernds@redhat.com>
3009 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
3011 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3013 * install.texi: Remove obsolete information on SunOS as well as
3014 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
3015 (Installing GNU CC on the Sun): Remove section.
3017 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
3019 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
3020 keep errno unchanged on success.
3022 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
3024 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
3025 once for hexadecimal floats, whether or not they contain a decimal
3026 point. Don't let the setting of pedantic otherwise affect the
3027 parsing of hexadecimal floats.
3029 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3031 * README.ACORN: Remove obsolete file.
3033 2001-05-22 Jan Hubicka <jh@suse.cz>
3035 * combine.c (gen_binary): Use swap_commutative_operands_p
3036 (simplify_comparison): Likewise.
3037 * expmed.c (emit_store_flag): Likewise.
3038 * expr.c (compare_from_rtx): Likewise.
3039 (do_compare_rtx_and_jump): Likewise.
3040 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
3041 if not emitting a branch and operands want swapping.
3043 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
3045 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
3046 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
3047 (maybe_get_identifier): Update.
3048 * tree.h (make_identifier): Delete.
3050 2001-05-21 Richard Henderson <rth@redhat.com>
3052 * combine.c (subst): Do not substitute for a register as
3053 a destination subreg/strict_low_part/zero_extract.
3055 * combine.c (simplify_comparison): Update op1 after constant
3057 * recog.c (const_int_operand): Accept only constants valid
3059 * genrecog.c: Update comments wrt const_int_operand.
3061 * emit-rtl.c (init_emit_once): Zero unused memory in a
3064 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3066 * tree.h (type_num_arguments): Declare it.
3067 * tree.c (type_num_arguments): New function.
3069 2001-05-21 Richard Henderson <rth@redhat.com>
3071 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
3074 2001-05-21 Geoff Keating <geoffk@redhat.com>
3076 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
3078 (minsf3): Use rs6000_emit_minmax.
3079 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
3081 (movsfcc): Use rs6000_emit_cmove.
3082 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
3083 Don't generate emit_fselsfsf4.
3084 (fseldfsf4): Likewise.
3085 (maxdf3): Use rs6000_emit_minmax.
3087 (mindf3): Use rs6000_emit_minmax.
3088 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
3090 (movdfcc): Use rs6000_emit_cmove.
3091 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
3092 Don't generate emit_fselsfsf4.
3093 (fselsfdf4): Likewise.
3094 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
3095 (min_max_operator): New predicate.
3096 (rs6000_emit_cmove): New function.
3097 (rs6000_emit_minmax): New function.
3098 * config/rs6000/rs6000-protos.h: Prototype new functions.
3099 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
3100 and min_max_operator.
3102 * config/rs6000/rs6000.c (output_cbranch): Handle all
3103 conditional types in the switch statement.
3105 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3107 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
3108 non-register variables.
3109 * extend.texi: Document that asm-specifications do not make sense
3110 for non-static local variables.
3112 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
3114 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
3115 (dbxout_type_fields): Lose minimal_debug support.
3116 (dbxout_type_methods, dbxout_type): Likewise.
3118 2001-05-17 Andrew Haley <aph@redhat.com>
3120 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3122 2001-05-21 Richard Henderson <rth@redhat.com>
3124 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
3127 2001-05-20 Richard Henderson <rth@redhat.com>
3129 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3130 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
3131 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
3132 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3133 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
3135 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3136 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
3137 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
3138 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3139 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3140 DEBUG_PUBNAMES_SECTION): Rename as above.
3141 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3143 2001-05-20 Richard Henderson <rth@redhat.com>
3145 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
3146 operands unless the operation is commutative.
3148 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3150 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
3153 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
3155 * extend.texi: Clarify documentation of extensions included in ISO
3156 C99. Prefer C99 terminology and syntax to old GNU terminology and
3157 syntax. Add more index entries. Document mixed declarations and
3158 code as an extension in C89 mode. Warn about future changes to
3159 semantics of inline functions. Fixes PR other/930.
3161 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3163 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
3164 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3165 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
3166 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3168 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
3170 2001-05-20 Richard Henderson <rth@redhat.com>
3172 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
3173 to be output before a branch.
3175 2001-05-20 Richard Henderson <rth@redhat.com>
3177 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
3179 2001-05-20 Richard Henderson <rth@redhat.com>
3181 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
3182 (ASM_DOUBLE): Remove.
3183 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
3184 * config/i386/sun386.h: Likewise.
3186 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
3187 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
3189 * config/i386/cygwin.h (INT_ASM_OP): Remove.
3190 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
3191 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
3192 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
3194 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
3195 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
3196 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
3197 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
3198 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
3199 * config/i386/win32.h: Likewise.
3201 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3203 * invoke.texi: Add more options to summary list.
3205 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3207 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
3208 used. Fixes PR c/2291.
3209 * gcc.1: Regenerate.
3211 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3213 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
3214 the -fpic and -fPIC options, clear flag_pic.
3216 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3218 * hashtable.c (calc_hash): Fix HASHSTEP definition.
3219 * stringpool.c (make_identifier): No statistics here anymore.
3220 * objc-act.c (steup_string_decl): Remove redundant check.
3222 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3224 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
3225 cpplib.o, cpphash.o, fix-header): Update.
3226 (hashtable.o): New target.
3227 * c-common.h: Include cpplib.h. Define C_RID_CODE and
3228 struct c_common_identifier here.
3229 * c-lang.c (c_init_options): Update. Call set_identifier_size.
3230 * c-lex.c (c_lex): Update.
3231 * c-pragma.h: Update.
3232 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
3234 (C_RID_CODE): Delete.
3235 * cpphash.c: Rewrite to use hashtable.c.
3236 * cpphash.h: Update include guards.
3237 (struct cpp_reader): Remove hashtab.
3238 hash_ob and buffer_ob are no longer pointers. Add hash_table
3240 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
3241 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
3242 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
3243 * cppinit.c (cpp_create_reader): Update.
3244 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
3245 (cpp_interpret_charconst): Eliminate warning.
3246 * cpplib.c (do_pragma, do_endif, push_conditional,
3247 cpp_push_buffer, cpp_pop_buffer): Update.
3248 (_cpp_init_stacks): Rename cpp_init_directives.
3249 (_cpp_cleanup_stacks): Remove.
3250 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
3251 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
3252 cpp_forall_identifiers, cpp_create_reader): Update.
3253 (C_RID_CODE, cpp_make_node): New.
3254 (c_common_identifier): New identifier node for C front ends.
3255 * cppmain.c (main): Update.
3256 * fix-header.c (read_scan_file): Update.
3257 * flags.h (id_clash_len): Make unsigned.
3258 * ggc.h (ggc_mark_nonnull_tree): New.
3261 * stringpool.c: Update comments and copyright. Update to use
3263 * toplev.c (approx_sqrt): Move to hashtable.c.
3264 (id_clash_len): Make unsigned.
3265 * toplev.h (ident_hash): New.
3266 * tree.c (gcc_obstack_init): Move to hashtable.c.
3267 * tree.h: Include hashtable.h.
3268 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
3269 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
3270 (struct tree_identifier): Update.
3271 (make_identifier): New.
3273 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
3274 (C_RID_CODE): Remove.
3275 * lex.c (cxx_init_options): Call set_identifier_size. Update.
3276 (init_parse): Don't do it here.
3278 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
3280 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
3282 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
3284 (expand_eh_return): Convert between word_mode and Pmode.
3285 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
3287 (execute_stack_op): Likewise.
3288 (execute_cfa_program): Likewise.
3289 (uw_frame_state_for): Likewise.
3290 (uw_update_context_1): Likewise.
3291 * unwind.inc (_Unwind_Reason_Code): Likewise.
3292 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
3293 (EH_RETURN_STACKADJ_RTX): Likewise.
3294 * config/mips/mips.c (compute_frame_size): Make space for saving
3295 EH return registers.
3296 (mips_expand_epilogue): Handle EH stack adjustments.
3297 * config/mips/mips.md (eh_return): New pattern.
3298 (eh_set_lr_si): Likewise.
3299 (eh_set_lr_di): Likewise.
3300 Add splitter to perform EH return after reload.
3302 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3304 * jump.c (mark_jump_label): Tidy previous change.
3306 2001-05-19 Bruce Korb <bkorb@gnu.org>
3308 * fixinc/genfixes: no need for two warnings
3309 * fixinc/Makefile.in: open stdin for those building with a closed one.
3311 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3313 * jump.c (jump_optimize_1): Tidy.
3314 (mark_jump_label): When changing the label in a LABEL_REF, change
3315 update any REG_EQUAL notes as well.
3317 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
3319 * c-parse.in (parm_declarator): Split into
3320 parm_declarator_starttypename and parm_declarator_nostarttypename.
3321 (parm_declarator_starttypename, parm_declarator_nostarttypename):
3322 New. Allow parenthesised sub-declarators which don't begin with a
3323 TYPENAME. Fixes PR c/166.
3325 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3327 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
3329 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3331 * toplev.c (main): If the target does not allow profiling without
3332 a frame pointer, issue an error message.
3333 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3336 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3338 * recog.c (general_operand): Modify last change to allow it if reload
3341 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3343 * recog.c (general_operand): Prohibit nonzero subreg bytes on
3344 subregs containing mem.
3346 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
3348 * regrename.c (regrename_optimize): frame pointer register can
3351 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
3353 * README.DWARF: Move into dwarfout.c.
3355 2001-05-18 Dale Johannesen <dalej@apple.com>
3357 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
3358 specific misuse of r0 as a reload address.
3360 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
3362 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
3365 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3367 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
3368 (add_to_sequence): Make that decision type.
3369 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
3370 (write_switch, write_cond, debug_decision_2): Likewise.
3372 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
3374 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
3377 2001-05-18 Stan Shebs <shebs@apple.com>
3379 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
3380 * configure: Regenerate.
3382 2001-05-18 Per Bothner <per@bothner.com>
3384 Changes needed for java/jvspec.c
3385 * gcc.h (n_infiles, outfiles): Add declarations.
3386 * gcc.c (n_infiles, outfiles): Mske no longer static.
3388 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
3390 * config/pa/som.h (EXCEPTION_SECTION): Define.
3392 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
3394 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
3396 Add have_location_lists, a variable to determine whether we need a
3397 .debug_loc section or not.
3398 (enum dw_val_class): Add dw_val_class_loc_list.
3399 (dw_val_struct): Add val_loc_list.
3400 (dw_loc_list_struct): New structure, represents location lists.
3401 (new_loc_list): New function, return a new location list, given
3402 the range and location expression.
3403 (add_loc_descr_to_loc_list): New function, add a location
3404 expression to a location list, given the expression and range.
3405 (output_loc_list): New function, output a location list.
3406 (gen_internal_sym): Modified to take symbol prefix, so we can
3407 reuse it for location list symbols.
3408 (add_AT_loc_list): New function, add a location list to a DIE at
3409 the named attribute.
3410 (AT_loc_list): New function, return the location list reference
3411 for a given attribute, if it's a location list.
3412 (print_die): Handle dw_val_class_loc_list.
3413 (size_of_die): Ditto.
3414 (value_format): Ditto.
3415 (output_die): Ditto.
3416 (output_location_lists): New function, output all of the location
3417 lists for a DIE and it's children.
3418 (dwarf2out_finish): Call output_location_lists if we have location
3422 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3424 * gcse.c (try_replace_reg): First try global replace, later try to
3425 simplify the expression.
3427 * gcse.c (find_used_regs): Change calling convention; work via
3429 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
3431 2001-05-18 Bernd Schmidt <bernds@redhat.com>
3434 2001-02-09 Nick Clifton <nickc@redhat.com>
3435 * config/arm/arm.md: Change output constraint on post inc
3436 load/store multiple patterns to be a read/write constraint.
3438 2001-05-18 Mark Mitchell <mark@codesourcery.com>
3440 * basic-block.h (struct basic_block_def): Add documentation about
3441 what a basic block is, and what the various fields are used for.
3442 * flow.c (calculate_globlal_regs_live): Add documentation about
3443 how the algorithm works, and how we know that it will terminate.
3444 Check that the the inductive assumption that guarantees
3445 termination actually holds.
3446 (mark_used_regs): Treat conditionally set registers as used.
3447 (debug_regset): Add comment.
3448 * rtl.texi (cond_exec): Add documentation.
3450 * function.c (expand_function_start): Avoid creating BLKmode
3453 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3455 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
3456 DIE, even if it has no children.
3457 (dwarf2out_finish): Always output the line-number table, even if
3460 2001-05-18 David Edelsohn <edelsohn@gnu.org>
3462 * rs6000.md (movsfcc,movdfcc): Remove NE case.
3464 2001-05-17 Bruce Korb <bkorb@gnu.org>
3466 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
3467 * fixinc/genfixes: emit a warning if AutoGen is out of date
3469 2001-05-17 Brendan Conoboy <blc@cygnus.com>
3470 Bruce Korb <bkorb@gnu.org>
3472 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
3473 found in fixinc directory. Facilitates binary distributions.
3475 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
3477 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
3480 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
3482 * dwarf2out.c (modified_type_die): Equate qualified type to die.
3484 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3486 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
3487 (simplify_subreg): Handle complex types represented as CONCAT.
3489 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
3490 * rtl.h (swap_commutative_operands_p): Declare.
3491 * rtlanal.c (swap_commutative_operands_p): New.
3492 (operand_preference): New static function.
3494 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
3495 (gen_binary): Likewise.
3496 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
3497 * simplify-rtx.c (simplify_gen_binary,
3498 simplify_gen_relational): Likewise.
3500 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3502 * cse.c (fold_rtx): Use simplify_subreg.
3504 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
3505 (simplify_gen_subreg): New.
3506 (simplify_rtx): Use simplify_subreg.
3507 * rtl.h (simplify_gen_subreg): Declare.
3509 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3511 * doc/install.texi: Update Solaris information.
3513 * except.h (protect_cleanup_actions): Remove it.
3514 (lang_protect_cleanup_actions): Declare it.
3515 * except.c (protect_cleanup_actions): Remove it.
3516 (lang_protect_cleanup_actions): New variable.
3517 (init_eh): Don't make protect_cleanup_actions a GC root.
3518 (expand_eh_region_and_cleanup): Call
3519 lang_protect_cleanup_actions.
3520 (output_function_exception_table): Remove unused `align'
3522 * varasm.c (assemble_external): Abort if we have not yet
3523 opened the assembly output file.
3525 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
3527 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
3528 for eh_personality_libfunc.
3530 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3532 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
3533 when calling simplify_subreg. This is needed to allow replacing
3534 of expression of one mode by expression of different mode.
3536 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3538 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
3540 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3542 * expr.c (protect_from_queue): Protect against subsequent calls to
3544 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
3547 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
3549 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
3551 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3553 * gccbug.in (CATEGORIES): Add "bootstrap".
3555 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3557 * simplify-rtx.c (simplify_subreg): Break out from ...
3558 * combine.c (combine_splify_rtx) ... here and ...
3559 * recog.c (validate_replace_rtx_1): ... here;
3560 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3561 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3562 (subreg_lowpart_p): ... here.
3564 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3566 * stmt.c (expand_asm_operands): For inout operands, make sure
3567 the substitution of '=' for '+' makes it into the rtl.
3569 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3570 (reload_as_needed): Call update_eliminable_offsets a bit later.
3572 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3574 * gcc.texi (gccbug): Refer to the web pages for detailed information
3577 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3579 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3581 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3582 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3583 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
3584 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
3585 * cross-make: Don't set LIBGCC1.
3586 * mklibgcc.in: Delete all code for building from libgcc1.c.
3587 Always honor LIB1ASMFUNCS if set.
3589 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3590 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3591 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3592 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3593 config/i386/uwin.asm, config/m68hc11/larith.asm,
3594 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3595 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3596 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3597 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3598 Delete or update references to libgcc1 in commentary.
3600 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3601 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3602 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3603 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3604 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3605 config/arm/t-semi, config/arm/t-strongarm-coff,
3606 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3607 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3608 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3609 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3610 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3611 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3612 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3613 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3614 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3615 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3616 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3617 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3618 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3619 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3620 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3621 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3622 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3623 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3624 config/mips/t-ultrix, config/mn10200/t-mn10200,
3625 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3626 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3627 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3628 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3629 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3630 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3631 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3632 config/sparc/t-sparclite, config/sparc/t-splet,
3633 config/sparc/t-sunos41, config/sparc/t-vxsparc,
3634 config/sparc/t-vxsparc64, config/v850/t-v850:
3635 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3637 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3638 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3639 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3640 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3641 nongcc_SI_type, nongcc_word_type, or perform_*
3642 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3644 * config/i386/386bsd.h, config/i386/beos-elf.h,
3645 config/i386/linux-aout.h, config/i386/linux-oldld.h,
3646 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3647 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3648 Don't include i386/perform.h.
3650 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3651 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3652 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3653 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3654 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3655 config/vax/t-openbsd, config/vax/t-vax: Delete.
3657 * config.gcc: Remove references to deleted files.
3658 (arm-semi-aof): Use arm/t-semi for tmake_file.
3660 * gcc.texi, install.texi, invoke.texi, tm.texi:
3661 Delete or rewrite text which is no longer relevant now that
3662 libgcc1 no longer exists.
3664 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3665 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3667 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3668 Bruce Korb <bkorb@gnu.org>
3670 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3673 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3675 * i386.md: Add two peepholes to clean up code generated by
3678 2001-05-16 Richard Henderson <rth@redhat.com>
3680 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3681 variants of non-absolute encodings.
3683 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3685 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3686 __register_frame_info_table_bases): Export.
3688 2001-05-16 Richard Henderson <rth@redhat.com>
3690 * except.c (eh_data_format_name): Move to ...
3691 * dwarf2asm.c: ... here. Use designated initializers if available.
3692 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3693 * dwarf2asm.h: Update declarations.
3694 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3695 ASM_PREFERRED_EH_DATA_FORMAT.
3696 (output_call_frame_info): Likewise. Use 'L' augmentation for
3699 * unwind-dw2-fde.h (struct fde_vector): New.
3700 (struct old_object): Rename from struct object.
3701 (struct object): New.
3702 (__register_frame_info_bases): Declare.
3703 (__register_frame_info_table_bases): Declare.
3704 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3705 * unwind-dw2-fde.c (objects): Remove.
3706 (unseen_objects, seen_objects): New.
3707 (__register_frame_info_bases): New.
3708 (__register_frame_info): Use it.
3709 (__register_frame_info_table_bases): New.
3710 (__register_frame_info_table): Use it.
3711 (__deregister_frame_info): Rewrite for changed object struct.
3712 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3713 (fde_unencoded_compare): Rename from fde_compare; uninline.
3714 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3715 (start_fde_sort): Adjust for new definition of fde_vector.
3716 (fde_insert): Likewise.
3717 (end_fde_sort): Likewise. Select comparison function based
3718 on properties of the object.
3719 (fde_split): Take object and fde_compare_t arguments.
3720 (frame_heapsort, fde_merge): Likewise.
3721 (classify_object_over_fdes): Rename from count_fdes. Handle
3722 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3724 (add_fdes): Handle encoded pointers.
3725 (init_object): Rename from frame_init. Update for new struct object.
3726 (linear_search_fdes): Rename from search_fdes. Handle encoded
3728 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3729 (binary_search_single_encoding_fdes): New.
3730 (binary_search_mixed_encoding_fdes): New.
3731 (search_object): New.
3732 (_Unwind_Find_FDE): Update for new struct object. Fill in
3734 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3735 iterating over EH data.
3736 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3737 fde_encoding, lsda_encoding.
3738 (read_uleb128, read_sleb128): Remove.
3739 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3740 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3741 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3743 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3745 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3747 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3748 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3749 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3750 cpp_spell_token, cpp_output_token): Similarly.
3751 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3752 do_pragma_poison, parse_assertion, do_assert): Similarly.
3753 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3754 save_parameter, _cpp_create_definition, check_trad_stringification,
3755 cpp_macro_definition): Similarly.
3756 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3757 * c-lex.c (cb_undef, c_lex): Similarly.
3758 * fix-header.c (recognized_function): Similarly.
3759 * cpplib.h (NODE_LEN, NODE_NAME): New.
3760 (cpp_hashnode): Rename length len.
3762 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3764 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3767 2001-05-16 Andreas Jaeger <aj@suse.de>
3769 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3771 * toplev.c: Include dwarf2asm.h for prototype of
3772 dw2_output_indirect_constants.
3774 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3776 * stmt.c (expand_asm_operands): Be able to offload addressof
3777 expression to memory. (PR optimization/185)
3779 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3781 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3782 applying distributive law.
3784 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3786 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3788 * gthr-dce.h (UNUSED): Attribute unused macro.
3789 (__gthread_key_dtor): Make arguments UNUSED.
3790 (__gthread_key_delete): Revise for compatibility with DRAFT4
3793 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3795 * doc/install.texi: Update AIX information.
3796 * README.RS6000: Remove obsolete file.
3798 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3799 Nathan Sidwell <nathan@codesourcery.com>
3801 * gcc.c (give_switch): Don't write before start of string.
3802 Always append suffix.
3804 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3806 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3809 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3811 * README.ALTOS: Remove obsolete file.
3813 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3815 * c-lex.h (save_and_forget_protocol_qualifiers,
3816 forget_protocol_qualifiers, remember_protocol_qualifiers):
3817 Remove deleted functions' prototypes.
3819 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3821 * c-parse.in (methodtype): New production.
3822 (methoddef, methodproto): Collapse separate '-' and '+'
3825 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3827 * c-common.h (RID_FIRST_PQ): New.
3828 * c-parse.in (objc_pq_context): New.
3829 (objc parser): Set objc_pq_context rather than calling
3830 remember_protocol_qualifiers and forget_protocol_qualifiers.
3831 Don't call save_and_forget_protocol_qualifiers.
3832 (yylexname): Handle objc protocol qualifiers here.
3833 * stringpool.c (struct str_header): Replace with sp_hashnode.
3834 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3835 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3836 Allocate an IDENTIFIER_NODE for each identifier.
3837 (FORALL_STRINGS, set_identifier): Delete.
3838 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3839 (ggc_alloc_string): Use an obstack.
3840 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3841 * tree.h: Update comments.
3842 (set_identifier): Delete.
3843 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3844 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3845 remember_protocol_qualifiers): Delete.
3847 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3849 * flow.c (life_analysis): After life analysis is complete, do
3850 an optional scan over insns looking for REG_LABEL notes that
3851 reference a deleted label.
3852 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3853 before peeking at LABEL_NUSES.
3855 2001-05-15 Richard Henderson <rth@redhat.com>
3857 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3858 (_Unwind_GetTextRelBase): New.
3860 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3862 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3864 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3866 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3867 so that CHOOSE_SECTION gets used.
3869 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3870 TARGET_RELOCATABLE like flag_pic for now.
3872 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3874 * rs6000.md (movdi splitter): Sign extend more efficiently.
3875 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3876 to "long long" valid on 32-bit and 64-bit hosts.
3877 (logical_operand): Cast trunc_int_for_mode return value.
3878 (rs6000_emit_move): Shift macro to encapsulate variable.
3879 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3880 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3881 plus_constant requires signed argument.
3883 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3885 * gthr-posix.h: Make additional pthread-* functions weak.
3887 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3889 * recog.c (apply_change_group): Avoid unneeded validating.
3891 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3893 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3894 (num_insns_constant): CONST_INT can be 64-bits.
3896 2001-05-14 Stan Shebs <shebs@apple.com>
3898 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3899 (LIBGCC_SPEC): Don't define.
3901 2001-05-14 Richard Henderson <rth@redhat.com>
3903 * configure.in (gcc_cv_as_eh_frame): New test.
3904 * config.in, configure: Rebuild.
3905 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3907 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3909 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3910 extended precision divide.
3912 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3914 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3915 for RETURNS as well.
3917 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3919 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3920 (CPP_CPU??_SIZE_TYPE): New.
3921 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3922 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3923 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3924 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3926 * i386.c (override_options): Add sorry about not suported modes.
3928 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3930 * config/pa/som.h (NM_FLAGS): Remove.
3931 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3932 (ASM_OUTPUT_SECTION_NAME): Remove.
3933 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3935 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3937 * regrename.c (regrename_optimize): Do not rename registers to
3940 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3942 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3943 contain MEMs. Remove useless distinction about clobbering
3946 2001-05-13 Geoff Keating <geoffk@redhat.com>
3948 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3949 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3950 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3951 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3952 (EXCEPTION_SECTION): Define.
3954 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3956 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3957 binary backward compat only.
3958 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3959 in LIB2FUNCS. Pass it to mklibgcc.
3960 * mklibgcc.in: Handle LIB2FUNCS_ST.
3962 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3964 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3966 * tm.texi (THREAD_MODEL_SPEC): Document it.
3967 * gcc.c (main): Use it.
3968 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3969 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3971 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3973 * rtl.h (SYMBOL_REF_WEAK): New macro.
3974 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3975 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3976 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3977 * gcc.texi: Remove wrong description.
3979 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3981 * Makefile.in (STAMP): New macro.
3982 Replace all uses of `touch' with $(STAMP).
3983 * fixinc/Makefile.in: Likewise.
3985 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3987 * configure.in: ldopen is never in -lexc, so don't test for it.
3988 Add test for exc_resume in -lexc for Ada.
3989 * configure: Regenerated.
3991 2001-05-12 Richard Henderson <rth@redhat.com>
3993 * dwarf2asm.c (size_of_encoded_value): New function.
3994 * dwarf2asm.h: Declare it.
3995 * except.c (output_function_exception_table): Align the TType
3996 array only as wide as the encoding.
3998 2001-05-12 Zack Weinberg <zackw@stanford.edu>
4000 * extend.texi: Document #pragma GCC java_exceptions.
4002 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4004 * c-parse.in (bison parser, init_reswords): Remove uses of
4006 * c-tree.h (doing_objc_thang): Remove.
4008 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
4010 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
4011 about files not ending in newlines.
4013 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4015 * dwarfout.c (dwarfout_init): Add cast.
4016 * sched-deps.c (sched_analyze_insn): Remove unused vars.
4017 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
4019 * method.c (build_mangled_C99_name): Remove unused prototype.
4021 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
4023 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
4025 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
4027 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
4028 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
4030 2001-05-11 Richard Henderson <rth@redhat.com>
4032 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
4033 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
4034 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
4035 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
4036 (dw2_output_indirect_constants): Prototype.
4037 * dwarf2out.c (dwarf2out_begin_prologue): Generate
4038 current_function_func_begin_label if we'll need it for EH. Exit
4039 early for IA64_UNWIND_INFO.
4040 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
4041 (eh_data_format_name): Update for indirect references.
4042 (output_function_exception_table): Care for IA64_UNWIND_INFO.
4043 Handle ASM_PREFERRED_EH_DATA_FORMAT.
4044 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
4045 define HAVE_eh_return etc.
4046 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
4047 (final_end_function): Don't call output_function_exception_table.
4048 * toplev.c (compile_file): Call dw2_output_indirect_constants.
4049 (rest_of_compilation): Invoke output_function_exception_table
4050 for ia64 before assemble_end_function.
4051 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
4052 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
4054 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
4055 * unwind.h: Declare them.
4056 * libgcc-std.ver: Export them.
4057 * unwind-pe.h: New file.
4059 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
4061 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
4063 (find_fde_for_dso): Extract DT_PLTGOT.
4064 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
4065 the segment and gp as well.
4066 * config/ia64/frame-ia64.c: Remove file.
4067 * config/ia64/frame-ia64.h: Remove file.
4068 * config/ia64/unwind-ia64.c: New file.
4069 * config/ia64/unwind-ia64.h: New file.
4070 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
4071 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
4072 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
4073 (ASM_PREFERRED_EH_DATA_FORMAT): New.
4074 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
4075 (IA64_UNWIND_INFO): Re-enable.
4076 (HANDLER_SECTION): Remove.
4077 (EH_RETURN_DATA_REGNO): New.
4078 * config/ia64/ia64.md (exception_receiver): Remove.
4079 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
4080 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
4082 2001-05-11 Richard Henderson <rth@redhat.com>
4084 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
4085 calls and jumps to be bundled together.
4086 (ia64_reorg): Emit a break after a noreturn call that ends
4088 * config/ia64/ia64.md (break_f): New.
4090 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
4092 * c-lex.c (lex_charconst): Convert into a simple wrapper
4093 around cpp_interpret_charconst, to which most of the code
4095 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
4096 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
4097 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
4098 (lex): Use cpp_interpret_charconst.
4099 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
4100 hex_digit_value): New functions.
4101 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
4102 * cpplib.h (cpp_interpret_charconst): New prototype.
4103 * Makefile.in: Update.
4105 2001-05-12 Dean Wakerley <dean@wakerley.com>
4107 * doc/install.texi: New file. Converted to texinfo from the HTML
4108 documentation in wwwdocs/htdocs/install.
4110 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
4112 * gcse.c (insert_insn_end_bb): Do not search for assignments to
4113 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4115 * toplev.c (compile_file): Move comment for opening output
4116 file to just before the code that opens the output file.
4118 2001-05-11 Jakub Jelinek <jakub@redhat.com>
4120 * regmove.c (regmove_optimize): Suppress the optimization for
4121 unchanging destination register. Add comment above function.
4123 2001-05-11 Zack Weinberg <zackw@stanford.edu>
4125 * Makefile.in: Exterminate all references to assert.h.
4126 * cross-make: Likewise.
4128 * configure.in: Correct commentary.
4129 * configure: Regenerate.
4131 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
4134 * config/t-freebsd, config/t-linux, config/t-linux-aout,
4135 config/t-netbsd, config/t-rtems, config/x-linux,
4136 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
4137 No need to override INSTALL_ASSERT_H.
4139 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
4140 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
4141 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
4143 2001-05-11 Graham Stott <grahams@redhat.com>
4145 * combine.c (simplify_comparison): Fix typo.
4147 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4149 * loop.h (struct movables): Remove `num'.
4150 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
4151 Adjust call to strength_reduce.
4152 (num_unmoved_movables): New function.
4153 (move_movables): Don't set movables->num.
4154 (strength_reduce): Compute the number of instructions in the loop
4155 here, rather than in the caller.
4156 (check_dbra_loop): Always clear reversible_mem_store if there
4157 are any memory sets.
4158 (loop_regs_scan): Don't count instructions here.
4159 (count_insn_in_loop): New function.
4161 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4163 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
4165 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
4167 * c-common.c (finish_label_expr): New function, lifted from
4168 from cp/semantics.c.
4169 * c-common.h (finish_label_expr, lookup_label): New prototypes.
4170 * c-parse.in: Move 3 blocks of parser code into new functions.
4171 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
4172 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
4173 (lookup_label): Remove.
4175 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
4177 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
4178 FLOAT_BIT_ORDER_MISMATCH.
4180 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4182 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
4183 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
4185 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4187 * expr.c (emit_group_load): extract_bit_field requires a REG or
4190 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
4192 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
4193 a computed jump into an unconditional jump.
4194 In second hunk of code for collapsing computed and conditional jumps
4195 into unconditional jumps, reemit the jump in additional cases.
4197 * jump.c (jump_optimize_1): Do not wrap the new jump target
4198 inside a LABEL_REF; gen_jump will do that automatically.
4200 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
4202 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
4203 contents for a SYMBOL_REF in case of floating point constants.
4205 2001-05-10 DJ Delorie <dj@redhat.com>
4207 * c-common.c (combine_strings): Widen strings in a
4208 host-endian-independent way.
4210 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
4212 * c-parse.in: Remove many shift/reduce conflicts. Update
4214 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4215 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4216 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4217 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4218 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4219 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4220 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4221 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
4222 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
4223 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
4224 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
4225 typespec_reserved_nonattr, typespec_reserved_attr,
4226 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
4227 structsp_nonattr, components_notype, component_notype_declarator,
4228 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
4229 firstparm, setspecs_fp): New
4230 (typed_declspecs, reserved_declspecs, typed_typespecs,
4231 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
4232 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
4233 declmods_no_prefix_attr, nonempty_type_quals, structsp,
4234 type_quals): Remove. Users updated.
4235 (initdecls, notype_initdecls, after_type_declarator,
4236 parm_declarator, notype_declarator, absdcl1, components, ivars):
4237 Don't allow attributes at the start of a declarator; include them
4238 in the production containing the declarator instead. Always
4239 require type specifiers before trying to redeclare a typedef name.
4240 (typename): Allow for attributes but warn that they are ignored.
4241 (parmlist, firstparm, setspecs_fp): Include attributes in
4242 parmlist; suck them off the parser stack in firstparm using
4245 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
4247 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
4248 to determine if a block has an unconditional jump at its end.
4250 * jump.c (jump_optimize_1): When converting a conditional jump
4251 to an unconditional jump, build the jump using gen_jump instead
4252 of just modify operands in-place.
4254 2001-05-09 Zack Weinberg <zackw@stanford.edu>
4256 * cppinit.c (cpp_post_options): Shut off macro expansion if
4258 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
4259 IN_I directives only if the # is in column 1 and the directive
4260 name begins in column 2.
4261 * cppmain.c (scan_buffer): Insert a space between # and an
4262 identifier, when that identifier is a directive name.
4264 * tradcpp.c (struct file_buf): Add a pointer to the next entry
4265 in the header search path.
4266 (enum node_type): Add T_INCLUDE_NEXT.
4267 (directive_table): Add entry for include_next.
4268 (do_include_next): New function.
4269 (process_include): New routine, broken out of do_include.
4270 (finclude): Insert 'nhd' argument, to be copied into
4271 next_header_dir of the new buffer.
4272 (main): Adjust to match.
4273 * gsyslimits.h, limity.h: Un-indent #include_next.
4275 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
4277 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
4278 inclusion as a chapter of the GCC manual.
4279 * gcc.texi: Include objc.texi.
4280 * fdl.texi: Use @unnumberedsec for the addendum.
4281 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
4283 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4285 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
4287 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
4289 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
4290 handling of two-address insns.
4292 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
4294 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
4295 ../binutils/nm-new instead of ../binutils/nm.
4297 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
4299 * i386.md (movdi splitter): Fix the splitting condition
4300 (float_extenddftf splitter): Fix mode.
4302 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4304 * genrecog.c (write_switch): Avoid outputting of switch for
4305 types wider than int.
4307 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
4309 * reload1.c (copy_eh_notes): New function.
4310 (emit_input_reload_insns): Call it.
4311 (emit_output_reload_insns): Call it.
4313 2001-05-07 Zack Weinberg <zackw@stanford.edu>
4315 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
4317 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
4318 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
4320 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
4322 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
4324 * pa.md (interspace_jump): Revise comment.
4325 (builtin_longjmp): Block initial setup insns from delay slot of
4327 (builtin_setjmp_receiver): New expander to save and restore PIC
4330 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
4332 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
4334 * toplev.c (compile_file): Set up the output file before we call
4335 the various initializers for the compiler.
4337 * except.c (sjlj_mark_call_sites): Do not search for assignments to
4338 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4340 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
4341 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
4343 2001-05-06 Zack Weinberg <zackw@stanford.edu>
4345 * Makefile.in (tradcpp0): Correct typo in dependency list.
4347 2001-05-06 Geoff Keating <geoffk@redhat.com>
4349 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
4350 the link register if we're not going to use it.
4352 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
4353 (output_function_profiler): Likewise.
4355 2001-05-07 Alan Modra <amodra@one.net.au>
4357 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
4359 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
4361 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
4362 zero-extend it. Make abs_inc unsigned.
4364 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
4365 widest mode in narrowing and widening operations.
4367 * config/mips/mips.md: Sign extend CONST_INTs.
4369 2001-05-06 Andreas Jaeger <aj@suse.de>
4371 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
4372 (i386 Options): Document -momit-leaf-frame-pointer.
4374 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
4376 * c-typeck.c (internal_build_compound_expr): Check for
4377 array to pointer conversion just once.
4379 2001-05-05 Richard Henderson <rth@redhat.com>
4381 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
4383 2001-05-05 Richard Henderson <rth@redhat.com>
4385 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
4386 to the parent of the fixup region.
4388 2001-05-05 Jakub Jelinek <jakub@redhat.com>
4390 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
4392 * cpp.texi (__NO_INLINE): Document it.
4394 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
4396 * cppfiles.c (struct include_file): New member err_no.
4397 (find_or_create_entry): Set it.
4398 (open_file): Don't set fds to -2. Instead, use err_no to
4399 remember previous errors, if any.
4401 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4403 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
4404 between X and Y by using sequences of xgdx and xgdy.
4406 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4408 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
4409 of '!' for the 'D' alternative ('!' is too strong).
4410 ("*logicalsi3_silshl16"): Likewise.
4411 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
4412 ("movstrictsi"): Remove spurious '+'.
4413 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
4414 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
4415 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
4418 2001-05-04 David Edelsohn <edelsohn@gnu.org>
4420 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
4422 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
4424 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
4427 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4429 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
4432 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4434 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
4435 soft register, use ror instead of rol.
4437 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4439 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
4440 into account pre/post increment decrement for 68HC12.
4441 Fix other problems in replacement and fix call to reg_mentioned_p.
4443 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4445 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
4446 Put the soft registers in bss for 68HC12.
4447 (L_regs_d3_4): New for _.d3 and _.d4.
4448 (L_regs_d5_6): Likewise.
4449 (L_regs_d1_2): Likewise.
4450 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
4452 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4454 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
4455 to the pre-processor when -fshort-double is specified.
4456 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
4458 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4460 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
4461 (__mulsi3): Rewrite for 68HC12.
4462 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
4463 Mark 'x' constraint with earlyclobber to prevent a
4464 RELOAD_FOR_OTHER_ADDRESS to go in it.
4465 (mulhi3_m68hc12): New pattern.
4466 (mulhi3_m68hc11): Rename of mulhi3.
4467 (mulhi3): New expand for 68HC12 optimisation.
4468 (umulhisi3, mulhisi3): New patterns for 68HC12.
4470 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4472 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
4473 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
4474 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
4476 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4478 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
4479 constants cheap after reload.
4480 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
4482 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
4483 so that gcc prefers a shift by 16.
4484 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
4486 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
4488 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
4490 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 * alpha.h: NULL_PTR -> NULL.
4499 * i386.md: Likewise.
4502 * m68hc11.h: Likewise.
4503 * rs6000.h: Likewise.
4506 * sparc.h: Likewise.
4510 * final.c: Likewise.
4512 * recog.c: Likewise.
4514 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4516 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
4517 `bool' parameter to `int'.
4519 * hash.c (hash_lookup): Likewise.
4521 * hash.h (hash_lookup): Likewise.
4523 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
4525 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4527 * i386.c (x86_initialize_trampoline): Fix mode of constant.
4529 2001-05-03 Geoff Keating <geoffk@redhat.com>
4531 * invoke.texi (i386 Options): Delete references to -malign-jumps,
4532 -malign-loops, -malign-functions.
4533 * i386.c (ix86_align_funcs): Delete.
4534 (ix86_align_loops): Delete.
4535 (ix86_align_jumps): Delete.
4536 (override_options): Mark -malign-* as obsolete. Emulate their
4537 behaviour with the -falign-* options. Default -falign-* from
4538 the processor table.
4539 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
4540 patch of Wed May 2 13:09:36 2001.
4541 (LOOP_ALIGN): Delete.
4542 (LOOP_ALIGN_MAX_SKIP): Delete.
4543 (LABEL_ALIGN_AFTER_BARRIER): Delete.
4544 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
4546 2001-05-04 Andreas Jaeger <aj@suse.de>
4548 * except.h: Add prototype declaration for
4549 expand_builtin_init_dwarf_reg_sizes.
4551 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
4553 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4555 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4557 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4559 ("bitcmpqi2"): New pattern for bit-extract and test.
4560 ("bitcmphi"): New pattern for bitb/bita instructions.
4562 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
4564 * gccbug.in: Use a temporary directory when the mktemp command is
4567 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4569 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4571 (INITIALIZE_TRAMPOLINE): Call it.
4572 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4573 (TRAMPOLINE_TEMPLATE): Remove.
4574 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4575 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4578 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4580 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
4581 and crtendS.o with PIC.
4583 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4585 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4587 (___subdi3, ___adddi3): Use x instead of y as index register.
4588 (__init_bss_section, __map_data_section): Optimize for 68HC12.
4589 (__memset, __memcpy): Likewise.
4590 (regs): Put the soft registers in bss for 68HC12.
4591 (abort): Use trap to abort for 68hc12.
4592 (__mulhi3, __mulhi32): Use emul for 68hc12.
4593 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4595 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4597 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4598 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4599 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4600 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4601 Set 68HC12 min offset to -65536.
4602 (print_operand): Put parenthesis arround the operand if it refers
4603 to a symbol having the same name as a register.
4604 (m68hc11_z_replacement): When z register is replaced by its
4605 equivalent soft register, force the insn to be re-recognized.
4606 (m68hc11_check_z_replacement): Fix the test when destination is
4607 the index register and z dies in the insn.
4608 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4610 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4612 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4613 costs according to processor variant.
4614 (m68hc11_shift_cost): New function to compute shift costs.
4615 (m68hc11_rtx_costs): Define costs according to processor variant.
4616 (m6811_cost): Costs for 68HC11.
4617 (m6812_cost): Costs for 68HC12.
4618 (COSTS_N_INSNS): Remove.
4620 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4621 (DEFAULT_RTX_COSTS): Remove.
4622 (CONST_COSTS): Define costs according to OUTER_CODE.
4623 (processor_costs): New struct to define costs.
4624 (m68hc11_cost): Pointer to current costs.
4626 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4628 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4629 and use m68hc11_notice_keep_cc when using leax/leay.
4630 (addhi3 split): Reject split if the insn is handled by
4632 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4633 push must be handled in a special way if the source operand uses
4634 sp as index register.
4635 (m68hc11_notice_keep_cc): New function.
4636 (m68hc11_gen_movhi): Use it when an insn changes a register but
4638 (m68hc11_gen_movqi): Fix move for 68HC12.
4639 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4641 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4643 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4644 and don't pass operands[0] to emit_library_call_value.
4646 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4648 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4649 (zero_extendsi split): Simplify and use (zero_extendhi).
4650 (*addhi3): Remove 'w' constraint since stack pointer is handled
4652 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4653 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4654 (*ashrhi3_const): Fix shift by 7.
4655 (*lshrsi3_const16): Fix template.
4656 (call, call_value): Fix constraint and predicate.
4658 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4660 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4661 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4662 (CC_REGNUM): Likewise.
4663 (*unnamed splits): Use above constants instead of hard coded numbers.
4664 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4665 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4666 (*return_16bit, *unnamed peepholes): Likewise.
4668 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4670 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4671 rs6000/rs6000.h twice.
4673 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4675 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4676 (CPP_SPEC): Conditionally define MSDOS and GO32.
4677 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4678 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4680 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4682 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4684 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4686 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4688 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4689 * integrate.c (expand_inline_function): Use xcalloc to allocate
4691 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4694 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4696 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4699 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4701 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4702 linker if -mrelax is given.
4703 (TARGET_SWITCHES): Document -mrelax.
4705 Re-installed 2001-01-09's patch:
4706 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4707 if it's wider than long and the target's long is wider than the
4710 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4712 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4713 directly include rs6000/rs6000.h. Instead do it in tm.h.
4715 2001-05-02 Stan Shebs <shebs@apple.com>
4717 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4718 NSConstantString for NeXT-style runtimes.
4719 (STRING_OBJECT_GLOBAL_NAME): New macro.
4720 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4721 OCTI_STRING_CLASS_DECL.
4722 (constant_string_global_id): New macro.
4723 (string_class_decl): Ditto.
4724 (setup_string_decl): New function.
4725 (build_objc_string_object): Use it to build a NeXT runtime
4726 compatible string initializer.
4728 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4730 * tradcpp.c (do_define): Make sure we don't walk past limit.
4732 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4734 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4735 offsets if not REG_OK_STRICT.
4737 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4738 (INT_REG_OK_FOR_INDEX_P): Likewise.
4739 (INT_REG_OK_FOR_BASE_P): Likewise.
4740 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4741 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4742 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4743 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4744 REG_OK_FOR_BASE_P. Take an additional parameter.
4745 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4746 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4747 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4748 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4749 rs6000_legitimate_address() and use it.
4750 * config/rs6000/rs6000.c: Update all callers.
4751 (rs6000_legitimate_address): New function.
4753 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4755 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4756 special_constant conditional blocks together.
4758 2001-05-02 Dale Johannesen <dalej@apple.com>
4760 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4762 (STRICT_ARGUMENT_NAMING): Define.
4763 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4764 function_arg_partial_nregs, setup_incoming_varargs): Remove
4765 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4768 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4770 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4772 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4775 * expr.c (store_field): Do nothing except elaborate side-effects if
4778 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4780 * c-lex.c: NULL_PTR -> NULL.
4782 * emit-rtl.c: Likewise.
4784 * genpeep.c: Likewise.
4786 * mips-tdump.c: Likewise.
4787 * reload1.c: Likewise.
4788 * rtlanal.c: Likewise.
4790 * stor-layout.c: Likewise.
4791 * toplev.c: Likewise.
4793 2001-05-01 Per Bothner <per@bothner.com>
4795 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4796 call do_pending_stack_adjust before emiting label.
4798 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4800 * extend.texi: Fix typo.
4802 2001-05-01 Stan Shebs <shebs@apple.com>
4804 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4805 of UOBJC_MODULES_decl.
4806 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4807 (generate_descriptor_table): Ditto.
4808 (generate_protocols): Ditto.
4809 (generate_protocol_list): Ditto.
4810 (generate_classref_translation_entry): Ditto.
4812 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4814 * invoke.texi (Optimize Options): Add documentation for `--param
4815 max-delay-slot-insn-search' and `--param
4816 max-delay-slot-live-search' and reorder --param section.
4817 * params.def: Modify initial comment.
4818 * params.h (param_info): Add `help' member.
4819 * toplev.c (lang_independent_params): Include `help' description.
4820 (display_help): Print --param parameters.
4822 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4824 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4825 Remove references to deleted files.
4826 (*-*-openbsd): No need to override xmake_file.
4827 (*-*-sysv4): Treat like *-*-sysv.
4829 * configure.in: Probe for ldopen in various places, and set up
4830 collect2 to be linked with them if found.
4831 Don't dink with Windows registry stuff unless $host_os is a
4832 Win32 os name. Check to see if we need -ladvapi32.
4833 * configure: Regenerate.
4835 * Makefile: Get rid of CLIB and HOST_CLIB.
4836 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4837 * build-make: Get rid of HOST_CLIB.
4839 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4840 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4841 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4842 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4843 config/rs6000/x-rs6000: Delete.
4845 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4848 24 x-host fragments remain, 0 x-cpu, 3 top level.
4850 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4852 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4853 * configure: Regenerate.
4855 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4857 * Makefile.in (install-headers): Remove redundant dependency.
4859 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4861 * c-tree.texi (USING_STMT): Document.
4863 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4865 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4866 * c-common.c: Likewise.
4867 * c-decl.c: Likewise.
4868 * combine.c: Likewise.
4869 * rs6000.c: Likewise.
4870 * except.c: Likewise.
4871 * explow.c: Likewise.
4873 * fold-const.c: Likewise.
4874 * function.c: Likewise.
4877 * integrate.c: Likewise.
4879 * objc/objc-act.c: Likewise.
4880 * recog.c: Likewise.
4881 * reg-stack.c: Likewise.
4882 * reload.c: Likewise.
4883 * reload1.c: Likewise.
4884 * simplify-rtx.c: Likewise.
4886 * varasm.c: Likewise.
4888 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4890 * diagnostic.def: New file.
4891 * diagnostic.h (diagnostic_t): New enum.
4892 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4894 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4896 * tsystem.h: Test only POSIX for availability of string.h
4898 * config.gcc (all systems): If USG appeared in xm_defines,
4899 change it to POSIX. If both USG and POSIX appeared, just
4900 delete USG. Remove unnecessary quotes around xm_defines
4902 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4903 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4904 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4905 powerpc-*-linux*): No need to set xm_defines - handled by
4906 global settings for *-*-linux*.
4908 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4910 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4911 Always include gstab.h, not system stab.h. Don't provide
4912 default definitions of N_CATCH or N_OPT. Always use the
4913 gstab.h variant of STAB_CODE_TYPE.
4914 * final.c: Don't include stab.h/gstab.h at all, or provide
4915 defaults for N_SLINE and N_SOL.
4917 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4918 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4920 * sdbout.c: Always include gsyms.h instead of system syms.h.
4922 * configure.in: No need to check for stab.h.
4923 * configure, config.in: Regenerate.
4924 * Makefile.in (final.o): Don't depend on gstab.h.
4926 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4927 Richard Henderson <rth@redhat.com>
4929 * extend.texi: Improve documentation of volatile asms.
4931 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4933 * c-tree.texi: Fix thinko.
4934 * gcc.texi: Likewise.
4936 2001-04-30 Richard Henderson <rth@redhat.com>
4938 * c-common.c (c_promoting_integer_type_p): New function, from the
4939 corpse of old macro. Properly promote too-small enumerations and
4940 booleans. Adjust all callers.
4941 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4942 (c_promoting_integer_type_p): Declare.
4943 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4944 * c-typeck.c: Likewise.
4945 (default_conversion): Remove now redundant boolean check.
4947 2001-04-30 Jan Hubicka <jh@suse.cz>
4948 Richard Henderson <rth@redhat.com>
4950 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4952 (combine_stack_adjustments_for_block): Don't combine stack
4953 allocation followed by deallocations. Handle grow-up stacks.
4955 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4957 * fdl.texi: New file.
4958 * c-tree.texi: Use the GFDL.
4959 * gcc.texi: Likewise.
4961 2001-04-30 Stan Shebs <shebs@apple.com>
4963 * invoke.texi: Add a section documenting Objective-C options.
4965 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4967 * emit-rtl.c (try_split): Copy EH notes to sequence.
4969 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4971 * regmove.c (record_stack_memrefs): Catch all references to the
4974 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4976 * Makefile.in (stmp-fixinc): quote shell assignment values
4978 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4980 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4984 * prefix.c: Likewise.
4986 2001-04-28 Stan Shebs <shebs@apple.com>
4988 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4989 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4990 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4991 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4993 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4994 (NEXT_OBJC_RUNTIME): Define.
4996 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4998 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4999 * simplify-rtx.c (simplify_gen_relational): Likewise.
5001 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
5003 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
5004 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
5006 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
5007 registers in SSE case; fix handling of the immediates.
5008 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
5009 operands to be in regsiters before reload.
5010 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
5011 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
5012 (abstf,absxf,negtf,negxf splitters): Compute
5013 properly the regnum for x86_64.
5014 (avsdf2_if_rex64): New.
5016 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
5018 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
5019 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
5020 into the constant pool.
5021 * jump.c (jump_optimize_1): Remove barrier successors after all
5022 the LABEL_NUSES counds have been computed.
5023 (delete_barrier_successors): When deleting a tablejump insn, also
5024 delete the jump table it uses.
5025 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
5028 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
5030 * pa.c (FRP): Remove erroneous white space in macro definition.
5032 2001-04-28 Andreas Jaeger <aj@suse.de>
5034 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
5036 * extend.texi: Likewise.
5037 * tm.texi: Likewise.
5039 2001-04-28 Andreas Jaeger <aj@suse.de>
5041 * md.texi: Use XX-bit instead of XXbit or XX bit where
5044 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
5046 * gcc.c (process_command): Allow -l lib in addition to -llib
5047 for POSIX compliance. This fixes PR c/2347.
5049 * invoke.texi: Update section on Link Options accordingly.
5051 2001-04-27 Zack Weinberg <zackw@stanford.edu>
5053 * function.c (purge_addressof_1): Remove the duplicate
5054 if (code == SET) block. Fold the two if (code == ADDRESSOF)
5057 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
5059 * except.c (expand_eh_region_start): Don't start a new block.
5060 (expand_eh_region_end): Don't end a block.
5061 * stmt.c (expand_end_bindings): Don't end EH blocks.
5062 (expand_decl_cleanup): Starting an EH region won't change the block.
5063 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
5064 (is_eh_region): Lose.
5067 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
5069 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
5071 * collect2.c (main): Add `-L' case to remove duplicate entries.
5072 (is_in_args): New function to check for a duplicate argument.
5073 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
5074 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
5075 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
5076 Define to be nonzero.
5078 2001-04-27 Andreas Jaeger <aj@suse.de>
5079 Richard Henderson <rth@redhat.com>
5081 * md.texi (Machine Constraints): Document additional i386
5082 constraints and fix description of "A".
5084 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
5086 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
5088 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
5090 * except.c (get_exception_filter): word_mode, not Pmode.
5092 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
5094 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
5095 common to other movsf patterns. Move up so that in future
5096 people who change the other patterns will change it too.
5097 (movsf_lo_sum): Allow even for soft-float; add appropriate
5099 (movsf_high): Likewise.
5100 (movsf_high+1): Allow even for soft-float.
5102 * function.c (expand_function_end): Always clobber the
5103 return registers, even if there is no return label.
5105 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5107 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
5109 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
5111 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
5112 (pushqi2_rex64, pushhi2_rex64): Add.
5114 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
5116 * except.c (expand_eh_region_end_cleanup): Force pending stack
5117 adjust before emitting label that branches around cleanup code.
5119 2001-04-26 H.J. Lu (hjl@gnu.org)
5121 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
5123 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
5125 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
5126 (ASM_OUTPUT_SECTION_NAME): Likewise.
5127 (ASM_WEAKEN_LABEL): Likewise.
5128 (UNIQUE_SECTION): Likewise.
5129 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5130 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5131 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
5132 (ASM_OUTPUT_SECTION_NAME): Likewise.
5133 (ASM_WEAKEN_LABEL): Likewise.
5134 (UNIQUE_SECTION): Likewise.
5135 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5136 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5137 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
5138 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
5139 (ASM_FILE_START): Likewise.
5140 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5141 (ASM_DECLARE_OBJECT_NAME): Likewise.
5142 (ASM_FILE_END): Likewise.
5143 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5144 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5145 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5146 (ASM_OUTPUT_CASE_LABEL): Likewise.
5147 (ASM_OUTPUT_SKIP): Likewise.
5148 (ASM_OUTPUT_ASCII): Likewise.
5149 (ASM_OUTPUT_IDENT): Likewise.
5150 (READONLY_DATA_SECTION): Likewise.
5151 (EXTRA_SECTIONS): Likewise.
5152 (EXTRA_SECTION_FUNCTIONS): Likewise.
5153 (SELECT_RTX_SECTION): Likewise.
5154 (SELECT_SECTION): Likewise.
5156 * config/mips/linux.h (INVOKE__main): Undefine.
5157 (CTOR_LIST_BEGIN): Likewise.
5158 (CTOR_LIST_END): Likewise.
5159 (DTOR_LIST_BEGIN): Likewise.
5160 (DTOR_LIST_END): Likewise.
5161 (SET_ASM_OP): Defined it to ".dummy".
5162 (ASM_OUTPUT_DEF): Defined.
5163 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
5165 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
5167 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
5168 assembler supports .p2align.
5170 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
5172 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
5174 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5176 * integrate.c (expand_inline_function): Check for error_mark_node
5179 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5181 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
5184 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
5186 * configure.in (configargs.h): Define thread_model.
5187 * configure: Rebuilt.
5188 * gcc.c (main): Print it with -v.
5190 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
5192 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
5193 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
5194 * gcc.1: Regenerate.
5196 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5198 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
5199 is_redundant_typedef): Use static inline instead of inline static.
5201 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
5203 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
5204 this directory is always searched.
5206 2001-04-25 Richard Henderson <rth@redhat.com>
5208 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
5209 of registers to restore along non eh_return path.
5211 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5213 * c-format.c (check_format_info_recurse): Handle
5214 PLUS_EXPR for format string.
5216 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5218 * config/ia64/ia64.h (CC1_SPEC): Define.
5219 * config/ia64/linux.h (CC1_SPEC): Define.
5221 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
5223 * emit-rtl.c (constant_subword): Also do sign extension in
5224 BITS_PER_WORD == 16 case.
5226 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
5228 * loop.c (try_swap_copy_prop): Go back to checking insn.
5230 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5232 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
5233 if check_mode is non-zero.
5235 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5237 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
5238 out and comparison sequence has been detected, put result into
5239 proper temporary pseudo.
5241 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5243 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
5244 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
5245 * libgcc2.c: Remove __dummy and __builtin_saveregs.
5246 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
5247 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
5248 for future reference.
5250 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
5252 * except.c (reachable_handlers): Step out one level from a RESX.
5254 * except.c (struct eh_region): Rename 'last' to 'resume'.
5255 (mark_eh_region, duplicate_eh_region_1): Adjust.
5256 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
5257 (build_post_landing_pads): Likewise.
5258 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
5259 (expand_eh_region_end_must_not_throw): Likewise.
5260 (connect_post_landing_pads): Thread (only) regions with non-deleted
5263 * except.c (expand_eh_region_end_cleanup): Save the EH return data
5264 registers around the cleanup.
5265 (get_exception_filter): New fn.
5266 (finish_eh_generation): Use it.
5268 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
5270 * c-semantics.c (add_scope_stmt): Don't call
5271 current_scope_stmt_stack multiple times.
5273 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5274 Nathan Sidwell <nathan@codesourcery.com>
5276 Lazy __FUNCTION__ generation.
5277 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
5278 RID_C99_FUNCTION_NAME): New _RIDs.
5279 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
5280 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
5281 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
5283 (function_id_node, pretty_function_id_node, func_id_node): Remove.
5284 (c99_function_name_decl_node, function_name_decl_node,
5285 pretty_function_name_decl_node, saved_function_name_decls):
5287 (struct language_function): Remove x_function_name_declared_p.
5288 (make_fname_decl): Remove a parameter.
5289 (declare_function_names): Remove prototype.
5290 (start_fname_decls, finish_fname_decls): Prototype.
5291 (fname_as_string): Likewise.
5292 (fname_string, fname_decl): Likewise.
5293 * c-common.c (make_fname_decl): Adjust.
5294 (struct fname_var_t): New struct.
5295 (fname_vars): New static array.
5296 (declare_function_name): Remove.
5297 (start_fname_decls, finish_fname_decls): New functions.
5298 (fname_as_string): New function from remnants of
5299 declare_function_name.
5300 (fname_string, fname_decl): New functions.
5302 * c-decl.c (c_function_name_declared_p): Remove.
5303 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
5304 don't call declare_function_name. Call start_fname_decls.
5305 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
5306 clobber the line number. Call finish_decl.
5307 (start_function): Call start_fname_decls.
5308 (finish_function): Call finish_fname_decls.
5309 Remove c_function_name_declared_p.
5310 (push_c_function_context): Don't push c_function_name_declared_p.
5311 (pop_c_function_context): Don't pop c_function_name_declared_p.
5312 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
5313 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
5314 (program): Call finish_fname_decls for C.
5315 (primary): Add VAR_FUNC_NAME.
5316 (reswords): Add slots for __FUNCTION__ et al.
5317 (rid_to_yy): Add mappings for __FUNCTION__ et al.
5318 (yylexname): If it's a STRING_FUNC_NAME generate the function name
5319 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
5320 * c-semantics.c (prune_unused_decls): Remove.
5321 (finish_stmt_tree): Don't call prune_unused_decls.
5322 (genrtl_decl_stmt): Don't prune unused decls here.
5324 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
5326 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
5327 constant pool, use the pool's SYMBOL_REF instead.
5329 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
5332 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
5334 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
5335 passing nested NOP_EXPRs to fold.
5337 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
5339 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
5341 2001-04-22 Mark Mitchell <mark@codesourcery.com>
5343 * loop.c (loop_delete_insns): Add prototype.
5345 2001-04-23 Phil Edwards <pme@sources.redhat.com>
5347 * configure.in: Remove ENABLE_STD_NAMESPACE.
5348 * config.in: Regenerated.
5349 * configure: Regenerated.
5351 2001-04-22 Stan Shebs <shebs@apple.com>
5353 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
5355 * config/rs6000/xm-darwin.h: Remove file.
5357 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5359 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
5360 (write_c_file_stat): Likewise.
5362 * dbxout.c (dbxout_init): Likewise.
5364 * profile.c (output_func_start_profiler): Likewise.
5366 2001-04-22 Philipp Thomas <pthomas@suse.de>
5368 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
5369 require it instead of the CVS version.
5370 * cpperror.c (v_message): Put a blank before the macro
5371 body to not confuse exgettext.
5373 2001-04-21 Mark Mitchell <mark@codesourcery.com>
5375 * flow.c (proagate_one_insn): Remove useless assignment.
5376 * jump.c (delete_insn): Tidy.
5377 * loop.c (try_copy_prop): When deleting an instruction with a
5378 REG_RETVAL note, delete the entire libcall sequence.
5379 (loop_delete_insns): New function.
5380 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
5381 we're not substituting into them yet.
5383 2001-04-21 Kazu Hirata <kazu@hxi.com>
5385 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
5387 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
5389 * config/i960/i960.c (signed_arith_operand): Likewise.
5391 * calls.c (expand_call): Fix a comment typo.
5393 2001-04-20 Zack Weinberg <zackw@stanford.edu>
5395 * configure.in: Probe for times, clock, struct tms, and clock_t.
5396 * configure, config.in: Regenerate.
5397 * timevar.c: Replace ifdef forest in get_time with (relatively)
5398 straightforward series of checks based on autoconf's probes.
5400 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
5402 * config/pa/som.h (NM_FLAGS): Define.
5404 2001-04-20 Bernd Schmidt <bernds@redhat.com>
5406 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
5408 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
5409 * ia64.c (nop_cycles_until): New function.
5410 (prev_cycle, prev_first, last_issued): New static variables.
5411 (ia64_sched_reorder): Additional arg for clock.
5412 On final scheduling pass, emit extra NOPs as needed.
5413 Set prev_first and prev_cycle.
5414 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
5415 (ia64_variable_issue): Set last_issued.
5417 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
5419 * config/i386/i386.c (ix86_expand_int_movcc,
5420 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
5422 2001-04-20 Geoff Keating <geoffk@redhat.com>
5424 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
5425 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
5426 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
5427 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
5428 ctrdi_internal6): In the short-branch case, this insn is only 4
5429 bytes long. Reported by Reza Yazdani <reza@apple.com>.
5431 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5433 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
5434 "=u" is used together with "st" resp. "st(1)" clobber.
5436 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5438 * gcse.c (gcse_main): Fix comment typo.
5439 (delete_null_pointer_check): Likewise.
5440 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
5441 * cse.c (cse_insn): Likewise.
5442 * function.c (fixup_var_refs_insns_with_hash): The sequence is
5445 2001-04-19 Zack Weinberg <zackw@stanford.edu>
5447 * toplev.c: Excise all code for the undocumented -dm option.
5448 (float_signal): Call signal just once, unconditionally.
5450 2001-04-19 Geoff Keating <geoffk@redhat.com>
5452 * fold-const.c (fold): Use first_rtl_op rather than
5453 TREE_CODE_LENGTH when looping over parameters of a tree.
5454 Correct strange grouping in test for evaluated SAVE_EXPR.
5456 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
5458 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
5459 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
5461 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
5462 name at 32 total characters.
5463 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
5464 functions in named sections -- data items can still go into unique
5465 sections, but they have normal names (ie $LIT$ and $DATA$).
5467 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
5470 2001-04-19 DJ Delorie <dj@redhat.com>
5472 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5473 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
5474 * config/i386/cygwin.h: Likewise.
5475 * config/i386/mingw32.h: Likewise.
5476 * config/vax/vms.h: Likewise.
5477 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
5479 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5480 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
5481 * config/i386/xm-cygwin.h: Likewise.
5482 * config/i386/xm-djgpp.h: Likewise.
5483 * config/i386/xm-mingw32.h: Likewise.
5484 * config/vax/xm-vms.h: Likewise.
5486 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
5487 instead of OBJECT_SUFFIX.
5488 * collect2.c (find_a_file): Look for files matching the extension
5489 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
5490 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
5491 TARGET_EXECUTABLE_SUFFIX.
5492 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
5493 (make_relative_prefix): Likewise.
5494 (convert_filename): Use TARGET_ suffixes throughout. Remove
5496 (process_command): Likewise.
5497 (do_spec_1): Likewise.
5498 * java/lang.c (init_parse): Likewise.
5500 * gcc.texi : Document four new options matching the pattern
5501 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
5502 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
5503 documentation for NO_AUTO_EXE_SUFFIX.
5505 2001-04-19 Mark Mitchell <mark@codesourcery.com>
5507 * toplev.h (struct lang_hooks): Allow decode_option to indicate
5508 that language-independent processing should not be done.
5509 * toplev.c (main): Adjust accordingly.
5511 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
5512 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
5514 * mips.md (reload_outputdi): Require that operand0 be a
5517 2001-04-19 Jakub Jelinek <jakub@redhat.com>
5519 * invoke.texi (-Wshadow): Clarify.
5521 2001-04-18 Mark Mitchell <mark@codesourcery.com>
5523 * loop.c (load_mems): Examine all the instructions in the loop
5524 before concluding that all jumps branch to the first instruction
5527 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
5529 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
5531 2001-04-18 Jakub Jelinek <jakub@redhat.com>
5533 * cpp.texi (-Wwhite-space): Remove.
5534 (-Wall): -Wall does not imply -Wwhite-space.
5536 2001-04-17 Zack Weinberg <zackw@stanford.edu>
5538 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
5539 use it instead of blindly generating a .stabs.
5540 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
5542 * xcoffout.c: Don't bother defining default for N_CATCH.
5543 (UNKNOWN_STAB): Use internal_error.
5544 (stab_to_sclass): Remove now-unnecessary aborts.
5545 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
5547 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
5549 * jump.c (mark_all_labels): Canonicalize the tail recursion
5550 label attached to CALL_PLACEHOLDER insns.
5552 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5554 * output.h (dump_flow_info, free_basic_block_vars,
5555 which_alternative): Delete redundant prototypes.
5557 * rtl.h (bss_section): Likewise.
5559 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
5561 * dbxout.c (N_OPT): Define if not available from <stab.h>
5563 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5565 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5566 libraries and native K&R compilers.
5568 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5570 * c-typeck.c (convert_arguments): Don't check for width changes
5573 * invoke.texi (-Wtraditional): Update documentation.
5575 2001-04-16 Zack Weinberg <zackw@stanford.edu>
5577 * toplev.c (output_lang_identify): Delete.
5578 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5579 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
5580 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5581 after calling ASM_FILE_END.
5583 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5584 Instead, unconditionally emit an N_OPT stab with string equal
5585 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5587 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5589 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5590 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5591 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5592 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5593 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5594 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5595 config/i370/i370.h, config/i386/beos-elf.h,
5596 config/i386/osf1elf.h, config/i386/osfrose.h,
5597 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5598 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5599 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5600 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5601 config/mips/iris6.h, config/mips/osfrose.h,
5602 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5603 config/sparc/sp64-elf.h:
5604 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5605 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5607 * config/elfos.h, config/freebsd.h, config/linux.h,
5608 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5609 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5610 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5611 of ASM_FILE_START which merely emit a .version directive. Delete
5612 definitions of ASM_FILE_END which merely emit an .ident directive.
5614 * config/avr/avr.h, config/vax/vax.h: Delete definition of
5615 ASM_IDENTIFY_GCC and move part of its logic into
5618 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5619 config/sparc/linux-aout.h: Don't emit .version directive in
5622 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5623 (output_file_start): Correct comment.
5625 * config/i386/osfrose.h: Don't emit trailing .ident directive.
5626 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5628 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5629 * config/rs6000/aix.h: Correct comment.
5631 * config/i386/i386afe.h: Delete.
5632 * config.gcc: Remove references to i386afe.h.
5634 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
5635 other macros deleted by this patch were undocumented.
5637 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
5639 * pa.md (reload_outdi): Operand 0 must be a non hard register.
5641 * pa.c (secondary_reload_class): SAR<->FP copies require a
5644 * install.texi (mips-mips-bsd): Update list of functions
5645 required to include memmove.
5646 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5647 used functions to include memmove.
5649 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
5651 * i386.md (sqrtdf2): SFmode should be DFmode.
5653 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
5655 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5656 (find_moveable_store): Likewise.
5658 2001-04-15 Jim Wilson <wilson@redhat.com>
5660 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5662 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5664 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5665 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5667 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5669 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5672 2001-04-14 Alan Modra <amodra@one.net.au>
5674 * pa.c (force_mode): New function.
5675 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5677 2001-04-13 Jim Wilson <wilson@redhat.com>
5679 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5680 (first_instruction): New static variable.
5681 (rtx_needs_barrier): Return 1 for alloc.
5682 (init_insn_group_barriers): Set first_instruction.
5683 (rws_sum): Delete duplicate definition.
5684 (group_barrier_needed_p): Return 0 when first_instruction true.
5685 (safe_group_barrier_needed_p): Save and restore first_instruction
5686 around group_barrier_needed_p call.
5688 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5690 * expr.h (enum libfunc_index): Add LTI_memmove.
5691 (memmove_libfunc): Define macro.
5692 * optabs.c (init_optabs): Initialize memmove_libfunc.
5693 * expr.c (expand_assignment): Use memmove_libfunc instead of
5696 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5698 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5701 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5703 * Makefile.in (reg-stack.o): Depend on reload.h.
5704 (insn-attrtab.o): Depend on flags.h.
5706 * genattrtab (main): Include flags.h in insn-attrtab.c.
5708 * reg-stack.c: Include reload.h.
5710 * sparc.h (flag_pic): Delete redundant declaration.
5712 * output.h (flag_pic): Likewise.
5714 * tree.h (pedantic): Likewise.
5716 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5718 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5720 * jump.c, regmove.c, toplev.c: Include reload.h.
5722 * reload.h (reload_cse_regs): Declare.
5724 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5725 reload_cse_regs, init_reload, mark_home_live, reload,
5726 init_caller_save): Delete redundant prototypes.
5728 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5730 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5732 * regclass.c, ssa.c: Include expr.h.
5734 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5735 gen_move_insn): Delete redundant declarations.
5737 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5739 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5740 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5741 MAKEINFO and MAKEINFOFLAGS too.
5742 (stage4_build): Correctly order -B flags.
5744 2001-04-13 Alan Modra <amodra@one.net.au>
5746 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5747 PIC_OFFSET_TABLE_SAVE_RTX.
5748 (zdepi_cint_p): Describe zdepi insn.
5749 Formatting and white space fixes throughout file.
5751 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5752 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5753 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5754 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5755 (output_64bit_and): Use plain `int's for shift counts.
5756 (output_64bit_ior): Likewise.
5757 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5758 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5761 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5762 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5763 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5764 NEW_HP_ASSEMBLER into one. Kill warnings.
5766 * pa-gas.h: Delete file.
5767 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5768 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5769 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5770 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5772 * config/pa/mill32.S: New file.
5773 * config/pa/mill64.S: New file.
5774 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5775 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5776 * config/pa/t-linux64: New file.
5777 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5778 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5779 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5781 * elfos.h (SELECT_SECTION): Undef before defining.
5782 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5783 (LIB_SPEC): Remove -lmilli.
5784 (DBX_REGISTER_NUMBER): Remove.
5785 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5786 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5787 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5788 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5789 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5790 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5791 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5792 TARGET_GAS): Define.
5793 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5794 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5795 regs if we don't have a prototype.
5796 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5797 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5798 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5799 EH_RETURN_HANDLER_RTX): Define.
5800 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5801 (DWARF_FRAME_REGNUM): Define.
5802 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5803 * pa32-linux.h: New file.
5804 * pa64-linux.h: New file.
5806 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5807 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5808 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5809 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5810 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5811 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5812 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5813 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5814 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5815 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5816 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5817 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5818 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5819 * pa64-hpux.h: New file.
5820 (ASM_FILE_START): Correct typo.
5821 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5822 * config.gcc: Modify for above.
5824 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5826 * jump.c (jump_optimize_1): Don't delete dead stores here.
5827 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5828 prior to running jump optimize before cse2.
5830 2001-04-12 Richard Henderson <rth@redhat.com>
5832 * Makefile.in (regmove.o): Depend on except.h.
5833 * regmove.c: Include it.
5835 2001-04-12 Stan Shebs <shebs@apple.com>
5837 * objc/objc-act.c: Remove all code ifdefed with the never-used
5838 macro OBJC_INT_SELECTORS.
5839 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5840 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5842 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5844 * config/pa/quadlib.c: Add prototypes.
5846 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5848 * bitmap.h (debug_bitmap): Delete redundant prototype.
5850 * rtl.h (get_frame_size): Likewise.
5852 2001-04-12 Jim Wilson <wilson@redhat.com>
5854 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5855 to just emit an fnorm.
5857 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5859 * c-common.h (truthvalue_conversion, type_for_mode,
5860 type_for_size): Delete redundant declarations.
5862 * c-lex.h (is_class_name): Likewise.
5864 * c-tree.h (pedantic, convert, getdecls, gettags,
5865 global_bindings_p, init_decl_processing, insert_block,
5866 maybe_build_cleanup, poplevel, print_lang_decl,
5867 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5868 set_block, incomplete_type_error, build_function_call,
5869 lvalue_or_else, mark_addressable): Likewise.
5871 * expr.h (expand_tree_builtin): Likewise.
5873 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5875 * invoke.texi: Document --param max-gcse-memory.
5877 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5879 * configure.in (errno): Check for declaration.
5880 * configure, config.in: Regenerated.
5882 * system.h (errno): Only declare if not already done.
5884 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5886 * recog.c (general_operand, immediate_operand,
5887 nonmemory_operand): Require CONST_INTs to be sign-extended
5888 values for their modes.
5890 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5892 * expmed.c (store_bit_field): Truncate CONST_INTs.
5893 (expand_mult_highpart, expand_divmod): Likewise.
5894 * expr.c (convert_modes, store_field): Likewise.
5895 * integrate.c (expand_inline_function): Use promote_mode() to
5896 determine whether to convert_modes() an argument as signed
5898 * optabs.c (expand_binop): Get CONST_INT operands
5899 sign-extended for their appropriate modes.
5900 * stmt.c (emit_case_nodes): Convert node values to the
5902 (expand_end_case): Convert minval and range to the appropriate
5904 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5905 the iteration variable.
5906 * varasm.c (immed_double_const): Don't require words to be
5907 narrower than host wide ints to properly sign-extend
5910 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5912 * sh.md (builtin_setjmp_receiver): New expander.
5914 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5916 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5917 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5918 for generating CONST_INT and CONST_DOUBLE.
5920 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5922 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5923 already sign-extended.
5924 (rs6000_emit_prologue): Make register iterator signed.
5925 (rs6000_emit_epilogue): Likewise.
5926 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5928 (movsf split, movdf split): Sign-extend CONST_INTs.
5929 (movdi splits): Likewise.
5931 2001-04-12 Kelley Cook <kelley.cook@home.com>
5933 * config-lang.in (lang_dirs): Add in zlib.
5935 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5937 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5938 operands that make it to RTL.
5940 2001-04-11 Stan Shebs <shebs@apple.com>
5942 Add Darwin (Mac OS X kernel) native support.
5943 * config.gcc (powerpc-*-darwin*): Add native bits.
5944 * config/darwin.c: New file, generic Darwin support functions.
5945 * config/darwin.h: New file, generic Darwin definitions.
5946 * config/darwin-protos.h: New file, generic Darwin prototypes.
5947 * rs6000/darwin.h: New file, Darwin for PowerPC.
5948 * rs6000/t-darwin: New file, Darwin makefile fragment.
5949 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5950 (TARGET_MACHO): Ditto.
5951 (rs6000_abi): Add ABI_DARWIN.
5952 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5953 (RS6000_SAVE_AREA): Ditto.
5954 (FP_ARG_MAX_REG): Ditto.
5955 (RETURN_ADDRESS_OFFSET): Ditto.
5956 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5958 (rs6000_emit_move): Add ABI_DARWIN cases.
5959 (print_operand): Ditto.
5960 (first_reg_to_save): Ditto.
5961 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5962 (debug_stack_info): Ditto.
5963 (rs6000_emit_prologue): Ditto.
5964 (rs6000_emit_epilogue): Ditto.
5965 (output_profiler_hook): Ditto.
5966 (output_function_profiler): Ditto.
5967 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5968 (output_mi_thunk): Add TARGET_MACHO case.
5969 (add_compiler_stub): Ditto.
5970 (output_compiler_stub): Ditto.
5971 (no_previous_def): Ditto.
5972 (output_call): Ditto.
5973 (machopic_output_stub): Ditto.
5974 (rs6000_machopic_legitimize_pic_address): Ditto.
5975 (toc_section): Ditto.
5976 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5977 (macho_high): Ditto.
5980 (load_macho_picbase): Ditto.
5981 (call): Add TARGET_MACHO case to modify function.
5982 (call_value): Ditto.
5983 (call_nonlocal_sysv): Add ABI_DARWIN case.
5984 (call_value_nonlocal_sysv): Ditto.
5985 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5987 (machopic_output_stub): Ditto.
5988 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5990 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5992 * dwarf2out.c (modified_type_die): Don't create new types here.
5993 * tree.h (get_qualified_type): New function.
5994 (build_qualified_type): Adjust comment.
5995 * tree.c (get_qualified_type): New function.
5996 (build_qualified_type): Use it.
5998 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6000 * cpp.texi (-Wtraditional): Update description.
6002 * invoke.texi (-Wtraditional): Likewise.
6004 2001-04-11 Jim Wilson <wilson@redhat.com>
6006 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
6007 requires more than 64 bits of alignment.
6009 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
6011 * cpplib.c (do_line): Sanity check iff enable checking.
6013 2001-04-11 Richard Henderson <rth@redhat.com>
6015 * Makefile.in (insn-recog.o): Depend on toplev.h.
6016 (insn-emit.o, doloop.o): Likewise.
6017 * genrecog.c, genemit.c: Include toplev.h in generated file.
6018 * doloop.c: Include toplev.h.
6020 2001-04-11 Mark Mitchell <mark@codesourcery.com>
6022 * Makefile.in (gcse.o): Depend on params.h.
6023 * gcse.c: Include params.h.
6024 (gcse_main): Don't do GCSE if doing so will take inordinate
6026 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
6027 * params.h (MAX_GCSE_MEMORY): New macro.
6029 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6031 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
6033 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
6035 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6037 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
6039 * real.h (ereal_atof, real_value_truncate, target_isnan,
6040 target_isinf, target_negative, assemble_real, debug_real): Delete
6041 redundant prototypes.
6043 * Makefile.in (ifcvt.o): Depend on toplev.h.
6045 * c-semantics.c: Include expr.h.
6047 * ifcvt.c: Include toplev.h.
6049 * expr.h (rtx_equal_p): Delete prototype.
6051 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
6052 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
6053 eliminate_constant_term, expand_complex_abs, find_single_use,
6054 make_tree, init_expr_once, init_optabs, supports_one_only):
6057 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
6058 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
6059 expand_assignment, store_expr, emit_line_note_after,
6060 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
6062 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
6064 * sparc-protos.h: Delete redundant prototypes.
6066 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
6068 * reload.c (push_reload): Add condition missed in SUBREG byte
6071 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6073 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
6075 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6077 * i386.md (floatsisf_sse): Fix output template
6078 * i386.c (ix86_expand_fp_movcc)
6080 * reg-stack.c (emit_pop_insn): Handle complex modes.
6081 (move_for_stack_reg): Emit proper move mode.
6082 (subst_stack_regs_pat): Handle complex modes.
6084 2001-04-11 Jakub Jelinek <jakub@redhat.com>
6086 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
6088 2001-04-10 Richard Henderson <rth@redhat.com>
6090 * libgcc2.h (__terminate_func_ptr): Remove typedef.
6091 (__pure_virtual, __terminate, __terminate_set_func,
6092 __default_terminate, __throw_type_match, __empty,
6093 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
6094 __eh_rtime_match, __unwinding_cleanup, __rethrow,
6095 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
6096 Remove prototypes of deleted functions.
6098 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6100 * c-typeck.c (convert_arguments): -Wtraditional now activates
6101 -Wconversion warnings, except for changes in signed-ness.
6102 Detect complex<->int & int<->complex conversions as well.
6104 * invoke.texi (-Wtraditional): Document it.
6106 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6108 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
6109 * flow.c (set_block_for_new_insns): Remove needless cast and
6110 properly check for unset block number.
6112 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
6114 * function.c (purge_single_hard_subreg_set): Only check REGNO if
6115 the subreg was a hard register. Pseudos are left as subregs.
6117 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6119 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
6120 (LIB2ADD_ST): New macro, pass it to mklibgcc.
6121 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
6122 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
6123 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
6125 2001-04-09 Bo Thorsen <bo@suse.co.uk>
6127 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
6129 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6131 * output.h (set_block_num): Missed it earlier, remove deprecated
6134 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6136 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
6137 (load_killed_in_block_p): Change bb parameter from int to basic_block.
6138 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
6139 (handle_rd_kill_set): Change bb parameter from int to basic_block.
6140 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
6141 (expr_killed_p): Change bb parameter from int to basic_block, pass
6142 basic_blocks instead of ints as parameters.
6143 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
6144 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
6145 from int to basic_block, pass basic_blocks instead of ints as parms.
6146 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
6147 parameter from int to basic_block, pass basic_blocks instead of ints.
6148 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
6149 (insert_insn_end_bb): Change bb parameter from int to basic_block,
6150 pass basic_blocks instead of ints.
6151 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
6152 basic_blocks instead of ints as parameters.
6153 (pre_delete): Pass basic_blocks instead of ints as parameters.
6154 (hoist_expr_reaches_here_p): Change bb parameter from int to
6155 basic_block, pass basic_blocks instead of ints.
6156 (hoist_code): Pass basic_blocks instead of ints as parameters.
6157 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
6158 Change bb parameter from int to basic_block.
6159 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
6160 (insert_insn_start_bb): Change bb parameter from int to basic_block,
6161 pass basic_blocks instead of ints.
6162 (insert_store): Pass basic_blocks instead of ints as parameters.
6163 (replace_store_insn, delete_store): Change bb parameter from int to
6164 basic_block, pass basic_blocks instead of ints.
6165 (store_motion): Pass basic_blocks instead of ints as parameters.
6167 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6169 * basic-block.h (set_new_block_for_insns): New Prototype.
6170 (set_block_num): Delete prototype.
6171 * flow.c (set_block_num): Remove obsolete function.
6172 (set_block_for_new_insns): Set BB for single or multiple insns.
6173 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
6174 (process_insn_end_bb): Use set_block_for_new_insns or
6175 set_block_for_insn instead of set_block_num.
6176 (pre_insert_copy_insn): Use set_block_for_new_insns.
6177 (update_ld_motion_stores): Use set_block_for_new_insns.
6178 (insert_insn_start_bb): Use set_block_for_new_insns.
6179 (replace_store_insn): Use set_block_for_new_insns.
6181 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6182 Jeff Law <law@redhat.com>
6184 * alias.c (get_addr): Externalize.
6185 (canon_true_dependence): New function. Behaves like true_dependance
6186 except it already assumes a MEM has been canonicalized.
6187 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
6188 * gcse.c (struct ls_expr): Add load/store expressions structure.
6189 (modify_mem_list, canon_modify_mem_list): New variable.
6190 (gcse_main): Initialize & finalize alias analysis. Use enhanced
6191 load motion and store motion if requested.
6192 (alloc_gcse_mem): Allocate space for modify_mem_list array.
6193 (free_gcse_mem): Free the modify_mem_list array.
6194 (oprs_unchanged_p): Use load_killed_in_block_p.
6195 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
6196 (mems_conflict_for_gcse_p): New function. Don't kill loads
6197 with stores to themselves if its in the load/store expression list.
6198 (load_killed_in_block_p): New function.
6199 (canon_list_insert): New Function.
6200 (record_last_mem_set_info): Keep a list of all instructions which
6201 can modify memory for each basic block.
6202 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
6203 (oprs_not_set_p): Use load_killed_in_block_p.
6204 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
6205 (expr_killed_p): Use load_killed_in_block_p.
6206 (compute_transp): Do not pessimize memory references.
6207 (pre_edge_insert): Update stores for a load motion expression.
6208 (one_pre_gcse_pass): Check loads/stores for extra load motion.
6209 (ldst_entry): Find or create a ldst_expr structure.
6210 (free_ldst_entry): Free memory for an individual item.
6211 (free_ldst_mems): Free entire load/store expression list.
6212 (print_ldst_list): Print debug info.
6213 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
6214 (enumerate_ldsts): Assign integer values to each entry in list.
6215 (first_ls_expr): First expression in the list.
6216 (next_ls_expr): Next expression in the list.
6217 (simple_mem): Check if expression qualifies for ld/st expression list.
6218 (invalidate_any_buried_refs): Remove from expression list if its
6219 used in some other way we dont understand.
6220 (compute_ld_motion_mems): Find all potential enhanced load motion
6222 (trim_ld_motion_mems): Remove any expressions which are invalid.
6223 (update_ld_motion_stores): Copy store values to registers for loads
6224 which have been moved.
6225 (regvec, st_antloc, num_store): New global statics.
6226 (reg_set_info): Marks registers as set.
6227 (store_ops_ok): Verfies registers expressions are valid in a block.
6228 (find_moveable_store): Look for moveable stores in a pattern.
6229 (compute_store_table): Find stores in a function worth moving, maybe.
6230 (load_kills_store): Check dependance of a load and store.
6231 (find_loads): Find any loads in a pattern.
6232 (store_killed_in_insn): Check if a store is killed in an insn.
6233 (store_killed_after): Check is store killed after an insn in a block.
6234 (store_killed_before): Check is store killed before an insn in a block.
6235 (build_store_vectors): Generate the antic and avail vectors.
6236 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
6237 (insert_store): Add a store to an edge.
6238 (replace_store_insn): Replace a store with a SET insn.
6239 (delete_store): Delete a store insn.
6240 (free_store_memory): Free memory.
6241 (store_motion): Perform store motion.
6242 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
6243 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
6244 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
6245 (f_options): Add gcse-lm and gcse-sm.
6247 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
6249 * i386.c (expand_fp_movcc): Fix condition reversal code.
6251 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
6252 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
6253 (CLASS_MAX_NREGS): Use it.
6255 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
6256 handle properly complex values.
6257 (CLASS_MAX_NREGS): Likewise; update comment.
6259 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6261 * ia64.c (ia64_flag_schedule_insns2): New variable.
6262 (ia64_override_options): Initialize it. Clear
6263 flag_schedule_insns_after_reload.
6264 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
6266 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6268 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
6269 Do not require source to match destination anymore;
6270 Add abort to the nontrivial cases that should be handled by split.
6271 (fix_trunc?fdi): Add SSE case for x86_64.
6272 (floatdi?f): Likewise.
6273 (floatdi?f_sse): New.
6274 (fix_trunc?fdi_sse): New.
6276 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
6278 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
6279 (DEBUG_ARANGES_END_LABEL): Ditto.
6280 (dwarfout_init): Generate length and version fields at the start
6281 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
6282 after the length field.
6283 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
6284 the .debug_aranges info.
6286 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6288 * i386.c (call, call_value): Make sure that resulting call_insn
6289 does have proper second operand.
6291 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
6293 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
6294 function. Remove include of sys/cygwin.h.
6296 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
6298 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
6299 (CPP_SPEC): Always search */include/w32api for header files.
6300 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
6301 (LINK_SPEC): Add "cyg" to the library search prefixes.
6303 2001-04-08 Philip Blundell <philb@gnu.org>
6305 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
6307 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
6309 * cpperror.c (print_location): Don't special case <stdin>.
6310 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
6311 WARNING, but we don't check if we're in system headers.
6312 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
6313 * cpplib.c (do_warning): Warn in system headers.
6315 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
6317 * mbchar.c: Include config.h first.
6319 2001-04-07 Zack Weinberg <zackw@stanford.edu>
6321 * config.gcc: Set default for xmake_file at top, not bottom.
6322 Change places that set xmake_file to "none" to set to the
6323 empty string instead, or remove them entirely if there is no
6324 default xmake_file for this cpu_type. Remove references to
6327 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
6328 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
6329 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
6330 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
6331 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
6332 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
6333 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
6334 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
6335 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
6336 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
6339 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
6340 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
6341 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
6342 config/mips/x-sysv, config/rs6000/x-aix31:
6343 Just set CLIB to -lld or -lmld, as appropriate.
6345 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
6346 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
6347 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
6348 config/mips/x-iris, config/pa/x-pa:
6349 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
6350 OTHER_FIXINCLUDES_DIRS.
6352 * config/i386/x-djgpp: Don't set LN or LN_S.
6353 * config/m88k/x-dolph: Don't define __m88k__.
6354 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
6355 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
6356 * config/i860/fx2800.h: No need to #undef SVR4.
6358 38 x-host fragments remain, 2 x-cpu.
6360 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6362 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
6364 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6366 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
6368 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6370 * configure.in: Add check for lstat.
6371 * configure, config.in: Regenerate.
6372 * cppinit.c (append_include_chain): Make empty path ".".
6373 * cpplib.c (do_line): Don't simplify #line paths.
6374 * cppfiles.c (remove_component_p): New function.
6375 (find_or_create_entry): Acknowledge stat () errors during
6376 path simplification.
6377 (handle_missing_header): Don't simplify paths.
6378 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
6379 the empty path untouched. Don't leave a trailing '/'.
6381 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
6383 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6384 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6386 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6388 * cppfiles.c (open_file): Fail directories silently, but
6389 with an errno of NOENT set.
6390 (read_include_file): Move the common exit code to the sole
6391 caller. Return an int indicating success or failure. Let
6392 open_file handle directories.
6393 (stack_include_file): If read_include_file fails,
6394 push a "null" buffer.
6396 2001-04-05 DJ Delorie <dj@redhat.com>
6398 * function.h (virtuals_instantiated): Declare.
6399 * function.c: (virtuals_instantiated): Make global.
6400 * calls.c (emit_library_call_value_1): Use
6401 virtual_outgoing_args_rtx only if it hasn't been instantiated.
6402 Otherwise, use the stack pointer directly.
6404 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6406 * i386.c (x86_initialize_trampoline): New global function.
6407 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
6408 (INITIALIZE_TRAMPOLINE): Move offline.
6409 * i386-protos.h (x86_initialize_trampoline): Declare.
6411 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6413 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
6414 (lea_0): Rename to lea_1.
6415 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
6416 (lea_general_?): Allow SImodes on TARGET_64BIT
6417 (lea_general_?_zext): New patterns.
6418 (call_1, call_1_rex64): Fix.
6420 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6422 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
6424 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6426 * i386.c (function_arg): Return constm1_rtx for last argument.
6427 (ix86_expand_prologue): Update gen_call calls.
6428 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
6429 * i386.md (call_pop): Likewise.
6430 (call): Second operand is VOIDmode.
6431 (call_0): Likewise; Support 64bits.
6432 (call_exp): New expander.
6433 (call_1): Get to the sync.
6434 (call_1_exp): New pattern.
6435 (call_value): Support 64bit.
6436 (call_value_exp): New pattern.
6437 (untyped_call): Update gen_call call.
6438 (call_value_pop): Disable for 64bit.
6439 (call_value_0_rex64): New pattern.
6440 (call_value_1_rex64): Likewise.
6442 2001-04-05 Bo Thorsen <bo@suse.de>
6444 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
6446 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
6448 * i386.md (*andsi_1+3): If used after reload, make sure the operand
6449 satisfies ANY_QI_REG_P.
6451 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6453 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
6456 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
6459 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6461 * config.gcc: Remove default for xm_file. Clean up local
6462 machine type handling. Remove settings of xm_file to
6463 something that doesn't exist. In the big switch, set xm_file,
6464 don't append to it (the value before the big switch is always
6465 null). Don't force build_xm_file or host_xm_file to have a value.
6466 * configure.in: Remove default for xm_file. Do not special
6467 case $cpu/xm-$cpu.h not existing.
6468 * configure: Regenerate.
6470 2001-04-04 Diego Novillo <dnovillo@redhat.com>
6472 * simplify-rtx.c (simplify_binary_operation): Check for overflow
6473 when folding integer division and modulo operations.
6475 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
6477 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
6478 instead of DWARF2_ADDR_SIZE for EH addresses.
6479 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
6482 2001-04-04 Richard Henderson <rth@redhat.com>
6484 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
6485 * config/ia64/t-glibc (LIB2ADDEH): Disable.
6486 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
6488 2001-04-04 Richard Henderson <rth@redhat.com>
6490 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
6491 * configure: Rebuilt.
6493 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6495 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
6496 push insns to delete to it instead of deleting them.
6497 (delete_null_pointer_checks): Delete insns from delete_list after
6498 all delete_null_pointer_checks_1 passes are done.
6500 2001-04-04 Richard Henderson <rth@redhat.com>
6502 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
6503 * configure: Rebuilt.
6505 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6507 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
6508 * config/romp/xm-romp.h: Delete.
6510 2001-04-04 Bernd Schmidt <bernds@redhat.com>
6512 * sched-deps.c (sched_analyze_insn): Partially revert March 27
6515 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6517 * emit-rtl.c (mark_label_nuses) Increment the label uses for
6518 all labels present in rtx.
6519 (try_split) Call new function for all split insns.
6521 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6523 * recog.c (validate_replace_rtx_1): Instead of aborting just make
6524 sure the change won't be validated.
6526 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
6528 * rtl.h (set_noop_p): Declare.
6529 * flow.c (set_noop_p): Move from here ...
6530 * rtlanal.c (set_noop_p): ... to here and enhance.
6531 * cse.c (delete_trivially_dead_insns): Use it.
6532 * gcse.c (hash_scan_set): Likewise.
6533 * jump.c (delete_noop_moves): Likewise.
6534 * recog.c (split_all_insns): Likewise.
6536 2001-04-04 Alan Modra <alan@linuxcare.com.au>
6538 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
6539 stack pointer via a LO_SUM. Ditto for setting a temp register
6540 used to save to the stack. Set cfa_temp when setting fp, and
6541 allow matches to cfa_temp in addition to cfa_store when saving
6542 regs. Handle POST_INC and LO_SUM register stores. Document the
6543 changes and errors in rule 12 doco.
6545 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
6546 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
6547 (load_reg): Move closer to epilogue code.
6548 (DO_FRAME_NOTES): Define to control the following..
6549 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
6550 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
6552 (hppa_expand_epilogue): Likewise.
6554 2001-04-03 Richard Henderson <rth@redhat.com>
6556 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6557 * configure: Rebuild.
6559 2001-04-03 Richard Henderson <rth@redhat.com>
6561 * rtl.h (LCT_THROW): New.
6562 * calls.c (emit_library_call_value_1): Handle it.
6563 * except.c (connect_post_landing_pads): Use it.
6565 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6567 * gansidecl.h: Delete file.
6568 * configure.in: Change all refs to gansidecl.h to use
6569 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
6571 * configure: Regenerate.
6573 * Makefile.in (intl.o): Don't depend on gansidecl.h.
6574 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6575 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6576 Don't include gansidecl.h.
6577 * intl.c, main.c, version.c, fixinc/fixlib.h,
6578 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6581 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6583 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6586 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6588 * config/i386/xm-beos.h, config/i386/xm-isc.h,
6589 config/i386/xm-next.h, config/i386/xm-sco.h,
6590 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6591 config/m88k/xm-m88k.h: Delete.
6593 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6594 * config/romp/xm-romp.h: Don't define bcopy.
6595 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6596 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6598 * config.gcc: Remove references to deleted files.
6600 14 xm-host.h remain, 1 xm-cpu.h.
6602 2001-04-03 Jakub Jelinek <jakub@redhat.com>
6603 David S. Miller <davem@pierdol.cobaltmicro.com>
6604 Andrew MacLeod <amacleod@redhat.com>
6606 Use byte offsets in SUBREGs instead of words.
6608 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6609 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6610 to pass new argument.
6611 (add_stored_regs): Use subreg_regno_offset function.
6612 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6614 (precompute_arguments): Use gen_lowpart_SUBREG.
6615 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6616 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6617 (simplify_set): Rework to use SUBREG_BYTE.
6618 (expand_field_assignment): Use SUBREG_BYTE.
6619 (make_extraction): Use SUBREG_BYTE.
6620 (if_then_else_cond): Use SUBREG_BYTE.
6621 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6622 (gen_lowpart_for_combine): Compute full byte offset.
6623 * cse.c (mention_regs): Use SUBREG_BYTE.
6624 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6625 (canon_hash): Use SUBREG_BYTE.
6626 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6627 (gen_lowpart_if_possible): Formatting.
6628 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6630 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6631 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6632 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6633 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6634 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6635 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6636 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6637 certain invariants about SUBREGs the compiler creates.
6638 (gen_lowpart_SUBREG): New function.
6639 (subreg_hard_regno): New function to get the final register number.
6640 (gen_lowpart_common): Use SUBREG_BYTE.
6641 (gen_imagpart): Spacing nits.
6642 (subreg_realpart_p): Use SUBREG_BYTE.
6643 (gen_highpart): Use SUBREG_BYTE.
6644 (subreg_lowpart_p): Always compute endian corrected goal offset,
6645 even at the byte level, then compare against that.
6646 (constant_subword): New function, pulled out all constant cases
6647 from operand_subword and changed second argument name to offset.
6648 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6649 and call constant_subword to do the work. Return const0_rtx if
6650 looking for a word outside of OP.
6651 (operand_subword_force): Change second arg name to offset.
6652 * expmed.c (store_bit_field): Use SUBREG_BYTE.
6653 (store_split_bit_field): Use SUBREG_BYTE.
6654 (extract_bit_field): Use SUBREG_BYTE.
6655 (extract_split_bit_field): Use SUBREG_BYTE.
6656 (expand_shift): Use SUBREG_BYTE.
6657 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6658 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6659 * flow.c (set_noop_p): Use SUBREG_BYTE.
6660 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6661 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6662 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6664 (optimize_bit_field): Use SUBREG_BYTE.
6665 (purge_addressof_1): Use SUBREG_BYTE.
6666 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6667 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6668 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6669 * gengenrtl.c (special_rtx): Add SUBREG.
6670 * global.c (mark_reg_store): Use SUBREG_BYTE.
6671 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6672 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6673 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6674 final byte offset is congruent to subreg's mode size.
6675 (subst_constants): Use SUBREG_BYTE.
6676 (mark_stores): Use subreg_regno_offset function.
6677 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6678 function and SUBREG_BYTE.
6679 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6680 (reg_is_born): Use subreg_hard_regno.
6681 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6682 endian correction code. Don't combine subregs unless resulting
6683 offset aligns with type. Fix subreg constant extraction for DImode.
6684 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6685 (general_operand): Remove dead mode_altering_drug code.
6686 (indirect_operand): Use SUBREG_BYTE.
6687 (constrain_operands): Use subreg_regno_offset function.
6688 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6689 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6690 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6691 * regs.h (REG_SIZE): Allow target to override.
6692 (REGMODE_NATURAL_SIZE): New macro which target can override.
6693 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6694 on the entire subreg rtx.
6695 (push_reload): Use SUBREG_BYTE in comments and code.
6696 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6697 for hard registers inside subregs.
6698 (operands_match_p): Use subreg_regno_offset.
6699 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6700 containing hard regs.
6701 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6702 corrections when fixing up MEM subregs.
6703 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6704 subreg_regno_offset where appropriate.
6705 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6706 byte endian corrections when fixing up MEM subregs.
6707 (subst_reloads): When combining two subregs, make sure final
6708 offset is congruent to subreg's mode size.
6709 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6710 (refers_to_regno_for_reload_p): Use subreg_regno.
6711 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6712 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6713 correction code for memory subreg fixups.
6714 (forget_old_reload_1): Use subreg_regno_offset.
6715 (choose_reload_regs): Use subreg_regno.
6716 (emit_input_reload_insns): Use SUBREG_BYTE.
6717 (reload_combine_note_store): Use subreg_regno_offset.
6718 (move2add_note_store): Use subreg_regno_offset.
6719 * resource.c (update_live_status, mark_referenced_resources): Use
6720 subreg_regno function.
6721 (mark_set_resources): Use subreg_regno function.
6722 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6723 (subreg_regno_offset, subreg_regno): Define prototypes.
6724 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6725 (gen_lowpart_SUBREG): Add prototype.
6726 * rtl.texi (subreg): Update to reflect new byte offset representation.
6727 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6728 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6729 (reg_overlap_mentioned_p): Use subreg_regno.
6730 (replace_regs); Make sure final offset of combined subreg is
6731 congruent to size of subreg's mode.
6732 (subreg_regno_offset): New function.
6733 (subreg_regno): New function.
6734 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6735 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6736 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6737 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6738 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6739 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6740 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6741 (print_operand): Use SUBREG_BYTE.
6742 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6743 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6744 (arm_reload_out_hi): Use SUBREG_BYTE.
6745 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6746 instead of SUBREG_WORD.
6747 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6748 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6749 SUBREG creation to use byte offset.
6750 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6751 inverted load insns): Fix explicit rtl subregs to use byte
6753 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6754 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6755 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6756 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6757 to use byte offsets.
6758 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6759 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6760 offsets, also make sure it is congruent to SUBREG's mode size.
6761 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6762 unnamed ldob insn): Generate SUBREGs with byte offset.
6763 (zero_extendqihi2): SUBREG's are byte offsets.
6764 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6765 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6766 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6767 zero-extendqisi2): Generate SUBREGs with byte offset.
6768 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6769 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6770 subregs in rtl to use byte offsets.
6771 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6772 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6773 (mips_move_2words): Use subreg_regno_offset.
6774 (mips_secondary_reload_class): Use subreg_regno_offset.
6775 * config/mips/mips.md (DImode plus, minus, move, and logical op
6776 splits): Fixup explicit subregs in rtl to use byte offsets.
6777 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6778 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6779 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6780 rtl to use byte offsets.
6781 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6782 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6783 subregs to use byte offsets.
6784 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6785 Fixup explicit subregs in rtl to use byte offsets.
6786 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6787 and remove byte endian correction code.
6788 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6789 (gen_ashift_hi): Use SUBREG_BYTE.
6790 (regs_used): Use subreg_regno_offset.
6791 (machine_dependent_reorg): Use subreg_regno_offset.
6792 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6793 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6794 (movdf_i4): Subregs are byte offsets now.
6795 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6796 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6797 (REGMODE_NATURAL_SIZE): Override.
6798 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6799 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6801 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6802 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6803 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6804 it is congruent to SUBREG's mode size.
6805 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6807 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6808 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6809 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6810 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6811 * config/v850/v850.c (print_operand, output_move_double): Use
6812 subreg_regno function.
6814 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6816 * configure.in (target_subdir): Use target_alias, not target.
6817 * configure: Rebuilt.
6819 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6821 * config/sh/crti.asm: Fix typos in comments.
6823 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6825 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6826 TARGET_FAST_INDIRECT_CALLS.
6827 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6829 (return_addr_rtx): Short circuit export stub matching when
6830 TARGET_NO_SPACE_REGS.
6831 (output_millicode_call): For out of range calls, make -fPIC
6832 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6833 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6834 * pa.md: Modify length attr calculation of all millicode insns to
6837 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6839 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6840 Require at least 2.11 in the version test. Specifically check
6841 for and reject GAS version 2.10.90.
6842 * configure: regenerate.
6844 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6846 * pa.c (override_options): Remove PIC profiling warning.
6847 (hp_profile_labelno): Delete.
6848 (hp_profile_label_rtx): Delete.
6849 (hp_profile_label_name): Delete.
6850 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6851 (output_function_prologue): Remove profiling code and all tests on
6852 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6853 merge_sp_adjust_with_store can work for PIC and profiling.
6854 (hppa_expand_epilogue): Remove profile_flag test.
6855 (hppa_can_use_return_insn_p): Likewise.
6856 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6857 cater for PROFILE_HOOK.
6858 (hppa_profile_hook): New function.
6859 * pa.h (FUNCTION_PROFILER): Now does nothing.
6860 (PROFILE_HOOK): Define.
6861 (hppa_profile_hook): Declare.
6862 (PROFILE_BEFORE_PROLOGUE): Delete.
6863 (ASM_OUTPUT_REG_PUSH): Delete.
6864 (ASM_OUTPUT_REG_POP): Delete.
6865 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6866 r24. Accept function name operand, and use this and a locally
6867 generated label to calculate pc-rel offset to func start.
6869 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6871 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6872 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6875 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6877 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6878 LO_SUM cases to where they belong.
6880 2001-04-02 Richard Henderson <rth@redhat.com>
6882 * except.h (lang_eh_type_covers): Mark extern.
6883 (lang_eh_runtime_type): Likewise.
6885 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6887 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6888 gengenrtl.c: Wrap generated header in multiple-include guard.
6889 Improve error checking.
6891 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6893 * configure.in: Don't check for putenv.
6894 * configure: Regenerate.
6895 * gcc.c (putenv): Don't define.
6896 * vax/xm-vms.h: Handle putenv.
6898 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6900 * ifcvt.c (noce_emit_move_insn): New.
6901 (noce_try_store_flag, noce_try_store_flag_constants,
6902 noce_try_store_flag_inc, noce_try_store_flag_mask,
6903 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6904 noce_try_abs): Use it.
6905 (noce_process_if_block): Likewise.
6906 For STRICT_LOW_PART, take mode from its SUBREG.
6908 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6910 * fold-const.c (fold): Before optimizing unsigned comparison with
6911 0x7fffffffU, make sure arg0 is integral type.
6913 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6915 * c-tree.texi: Document representation of wide strings.
6917 2001-04-01 Richard Henderson <rth@redhat.com>
6919 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6921 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6923 * i386.md: remove obsoleted comments.
6924 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6925 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6926 fix output template.
6928 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6930 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6932 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6934 * loop.c (load_mems): When generating a load from a pseudo, update
6937 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6939 * i386.c (ix86_split_long_move): Use change address to compensate
6940 stack pointer change in push instruction.
6942 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6944 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6945 instead of rtx_equal_p; fix the output template.
6947 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6949 * i386.c (ix86_expand_setcc): Support 64bit.
6950 (ix86_expand_int_movcc): Likewise.
6951 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6954 * i386.md (allocate_stack_worker): Turn to expander.
6955 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6957 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6959 2001-03-29 Richard Henderson <rth@redhat.com>
6961 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6963 2001-03-28 Matthew Hiller <hiller@redhat.com>
6965 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6968 * MAINTAINERS: Added self.
6970 2001-03-28 Richard Henderson <rth@redhat.com>
6972 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6973 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6975 2001-03-28 Jim Wilson <wilson@redhat.com>
6977 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6980 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6982 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6984 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6987 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6989 2001-03-28 DJ Delorie <dj@redhat.com>
6991 * Makefile.in (stage1_build): Revert CFLAGS patch.
6993 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6995 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6996 when multiplier or multiplicand is zero.
6998 2001-03-28 Bernd Schmidt <bernds@redhat.com>
7000 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
7002 * config/ia64/ia64.c (update_set_flags): New function, broken out of
7004 (set_src_needs_barrier): Likewise.
7005 (rtx_needs_barrier): For SET case, use these two functions. Rework
7006 PARALLEL case to handle all inputs before all outputs.
7007 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
7008 saw a label and no stop bit since then.
7009 (maybe_rotate, process_epilogue): Add prototypes.
7011 2001-03-28 Richard Henderson <rth@redhat.com>
7013 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
7014 not TARGET_TOC for special toc restore handling.
7015 * config/rs6000/rs6000.md (eh_return): Likewise.
7017 2001-03-28 Richard Henderson <rth@redhat.com>
7019 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
7020 current_function_calls_eh_return.
7021 (output_function_epilogue): Handle eh_return.
7022 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
7023 (EH_RETURN_DATA_REGNO): New.
7024 (EH_RETURN_STACKADJ_RTX): New.
7025 (EH_RETURN_HANDLER_RTX): New.
7026 * config/sparc/sparc.md (call/short branch peepholes): Check
7027 can_throw_internal instead of in_same_eh_region.
7029 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
7030 for eh_return data registers.
7031 (rs6000_emit_prologue): Save eh_return data registers.
7032 (rs6000_emit_epilogue): Force inline restores if eh_return.
7033 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
7034 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
7035 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
7036 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
7037 the target uses one.
7038 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
7039 (return_eh_si, return_eh_di): Remove.
7040 (eh_return): New, from corpse of eh_epilogue.
7041 (eh_set_lr_si, eh_set_lr_di): New.
7043 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
7044 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
7045 True for pic register if current_function_calls_eh_return.
7046 (ix86_expand_epilogue): Change "emit_return" argument into "style".
7047 Handle eh_return requirements.
7048 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
7049 (EH_RETURN_STACKADJ_RTX): New.
7050 * config/i386/i386.md (exception_receiver): Remove.
7051 (eh_return, eh_return_1): New.
7052 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
7054 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
7055 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
7056 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
7057 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
7058 (EH_RETURN_DATA_REGNO): New.
7059 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
7060 * config/alpha/alpha.md (eh_epilogue): Remove.
7061 (exception_receiver): Use $26 for ldgp input.
7062 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
7064 2001-03-28 Richard Henderson <rth@redhat.com>
7066 * except.c: Rewrite entirely for IA-64 ABI exception handling.
7067 * except.h: Likewise.
7069 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
7070 (LIB2ADDEHDEP): New.
7071 (LIB2FUNCS_EH): Remove.
7072 (LIB2ADD): Remove LIB2ADDEH.
7073 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
7074 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
7075 (crt{begin,end}[S].o): Likewise.
7076 (except.o): Update includes.
7077 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
7078 (libgcc2_c_dep): Use LIB2ADDEHDEP.
7080 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
7081 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
7082 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
7083 * builtins.c (expand_builtin): Implement it.
7084 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
7085 * c-common.c (c_common_nodes_and_builtins): Declare it.
7086 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
7087 * calls.c (libfunc_nothrow): Remove.
7088 (emit_library_call_value_1): Don't call it.
7089 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
7090 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
7091 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
7092 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
7093 (current_funcdef_number): Globalize.
7094 (output_call_frame_info): Emit frame data if an lsda is needed.
7095 Generate augmentation for personality routine. Don't play with
7097 (dwarf2out_begin_prologue): Record funcdef_number.
7098 * dwarf2out.h (current_funcdef_number): Declare.
7099 * expr.c (expand_expr): Update for except.h name changes.
7100 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
7101 * expr.h (LTI_throw, LTI_rethrow): Remove.
7102 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
7103 (LTI_eh_rtime_match): Remove.
7104 (LTI_unwind_resume, LTI_eh_personality): Add.
7105 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
7106 * final.c (final): Don't call check_exception_handler_labels,
7107 init_insn_eh_region, or free_insn_eh_region.
7108 (final_scan_insn): Always emit debug labels for
7109 NOTE_INSN_EH_REGION notes.
7110 * flags.h (flag_new_exceptions): Remove.
7111 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
7112 (record_active_eh_regions): Remove.
7113 (count_basic_blocks): Check all instructions for REG_EH_REGION.
7114 Use can_throw_internal.
7115 (find_basic_blocks_1): Likewise.
7116 (move_stray_eh_region_notes): Remove.
7117 (find_label_refs): No eh_return_stub_label.
7118 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
7119 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
7121 (delete_unreachable_blocks): Don't track deleted handlers.
7122 (flow_delete_block): Use maybe_remove_eh_handler.
7123 (delete_eh_regions): Remove.
7124 (merge_blocks): Don't check for eh region match.
7125 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
7126 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
7127 (init_propagate_block_info): Disable dead frame store optimization
7128 when current_function_calls_eh_return.
7129 (dump_bb): Don't print eh_beg, eh_end.
7130 * function.c (fixup_var_refs): No catch_clauses.
7131 (expand_function_end): Likewise. Call expand_eh_return before
7132 the return register use. Call sjlj_emit_function_exit_after.
7133 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
7134 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
7135 * ifcvt.c (dead_or_predicable): Remove eh region check.
7136 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
7137 Don't check for EH vs parameters.
7138 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
7139 (expand_inline_function): Call duplicate_eh_regions.
7140 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
7141 (copy_insn_notes): Remap REG_EH_REGION notes.
7142 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
7143 * integrate.h (struct inline_remap): Add local_return_label.
7144 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
7145 check_exception_handler_labels, nor exception_optimize.
7146 (find_cross_jump): No EH region check.
7147 * optabs.c (init_optabs): Update for changed eh libfuncs.
7148 * rtl.def (RESX): New.
7149 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
7150 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
7151 checks. Update for except.h name changes.
7152 (expand_cleanups): Likewise.
7153 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
7154 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
7155 (compile_file): Call init_eh before init_optabs. Don't
7156 output_exception_table here.
7157 (rest_of_compilation): Call convert_from_eh_region_ranges,
7158 convert_to_eh_region_ranges, output_function_exception_table.
7159 Don't emit_eh_context.
7160 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
7161 (EXC_PTR_EXPR): New.
7163 * md.texi (eh_epilogue): Remove.
7164 (eh_return): Document.
7165 * tm.texi (EH_RETURN_DATA_REGNO): Document.
7166 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
7168 * eh-common.h: Remove file.
7169 * frame-dwarf2.c, frame.c, frame.h: Remove files.
7170 * libgcc2.c (L_eh): Remove.
7172 * unwind-dw2-fde.c: New file, largely copied from frame.c.
7173 * unwind-dw2-fde.h: New file.
7174 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
7175 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
7176 * libgcc-std.ver: Update for eh symbols.
7178 2001-03-27 Richard Henderson <rth@redhat.com>
7180 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
7181 reduce false positives.
7182 (regmove_optimize): Disable if flag_non_call_exceptions.
7184 * stmt.c (expand_return): Remove always true predicate.
7185 (expand_decl_cleanup_no_eh): Remove dead code.
7187 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
7188 barrier code. Add a scheduling barrier if a non-call insn
7189 can throw internally.
7191 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
7192 Auto-inc addresses trap only if their base register does.
7194 * except.c (can_throw_internal): Rename from can_throw.
7195 * except.h, resource.c: Update references.
7197 * integrate.c (copy_insn_list): Use returnjump_p.
7198 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
7200 * function.h (struct function): Move all boolean valued fields
7201 to single bit fields at the end of the struct.
7203 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
7205 Rename asynchronous_exceptions to flag_non_call_exceptions.
7207 * gthr-single.h (UNUSED): New. Distinguish between how C
7208 and C++ mark unused function arguments. Use throughout.
7210 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
7211 value to target configuration header.
7212 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
7213 * config.in, configure: Rebuild.
7214 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
7215 configuration and target defines.
7216 (exceptions_via_longjmp): Remove.
7217 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
7218 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
7220 * except.h (flag_non_call_exceptions): Move ...
7221 * flags.h: ... here.
7223 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
7224 exceptions, put the note on the trapping instruction.
7226 * flags.h (flag_new_exceptions): Remove.
7227 * toplev.c: Don't set it.
7228 * final.c: Don't check it.
7229 * except.c: Provide stub definition.
7231 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
7232 (calculate_global_regs_live): Kill call-clobbered registers
7233 across exception edges.
7234 * reg-stack.c (convert_regs_1): Kill the entire target stack
7235 across non-call exception edges.
7237 * flow.c (cleanup_cfg): Take no argument.
7238 * output.h, sibcall.c, toplev.c: Update all calls.
7240 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7242 * configure.in: Don't check for bcopy.
7243 * configure, config.in: Regenerate.
7245 * system.h: Don't define or prototype bcopy, instead poison it.
7247 2001-03-27 Richard Henderson <rth@redhat.com>
7249 * function.c (expand_function_start): Set DECL_REGISTER on
7250 a pseudo used for DECL_RESULT.
7252 * rtl.h (LCT_NORETURN): New.
7253 * calls.c (emit_library_call_value_1): Handle it.
7255 2001-03-27 Stan Shebs <shebs@apple.com>
7257 * objc/objc-act.c (objc_init): Use dump_base_name.
7258 (gen_declaration): Clear the buffer arg.
7259 (gen_declaration_1): New function, body of gen_declaration.
7260 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
7261 (gen_method_decl): Ditto, plus always clear buffer arg.
7262 (error_with_ivar): Simplify.
7263 (warn_with_method): Ditto.
7264 (build_message_expr): Don't clear buffers.
7265 (dump_interface): Ditto.
7266 (objc_debug): Ditto.
7267 (build_keyword_selector): Clear the buffer by only zeroing
7269 (objc_implementation_context): Declare.
7270 (start_class): Warn about missing @end.
7271 (finish_objc): Ditto.
7273 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
7275 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
7277 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7279 * Makefile.in (SYSTEM_H): Define.
7280 Depend on $(SYSTEM_H), not system.h.
7282 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
7284 2001-03-27 Jim Wilson <wilson@redhat.com>
7286 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
7288 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
7289 (process_epilogue): New static function.
7290 (process_set): Call process_epilogue instead of emitting .restore
7292 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
7294 * flow.c (struct reg_cond_life_info): New fields orig_condition
7296 (init_propagate_block_info): Set new fields.
7297 (mark_regno_cond_dead): Set and use new fields.
7298 (flush_reg_cond_reg_1): Likewise.
7299 (and_reg_cond, case AND): Check for redundant AND conditions.
7300 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
7303 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
7305 * cppmacro.c (stringify_arg): Null terminate strings.
7307 2001-03-27 Zack Weinberg <zackw@stanford.edu>
7309 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
7310 inclusion style. xm-m68hc11.h no longer exists.
7311 * config/m68hc11/xm-m68hc11.h: Delete file.
7312 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
7314 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
7315 Don't define GCC_VERSION, N_, or PARAMS; don't include
7316 gansidecl.h or stdio.h. Define inhibit_libc here.
7317 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7318 Delete code conditioned on #if GCC_VERSION == 2095.
7320 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
7321 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7322 Delete code conditioned on #if GCC_VERSION == 2095.
7324 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7326 * system.h: Include symcat.h.
7327 (STRINGIFY): Don't define.
7329 * configure.in: Adjust comment.
7331 * builtins.c: Use STRINGX, not STRINGIFY.
7332 * gencheck.c: Likewise.
7333 * gengenrtl.c: Likewise.
7334 * protoize.c: Likewise.
7336 * cpplex.c: Don't include symcat.h.
7337 * cpplib.c: Likewise.
7339 * gansidecl.h (HAVE_STRINGIZE): Don't define.
7341 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7343 * c-typeck.c (digest_init): Fold init expression.
7345 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7347 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
7349 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7351 * except.c (eh_regs): Save results of build_pointer_type to a temp
7352 as FUNCTION_VALUE macro may evaluate its args multiple times.
7354 2001-03-26 Mark Mitchell <mark@codesourcery.com>
7356 * c-common.h (DECL_NUM_STMTS): New macro.
7357 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
7359 (pushdecl): Likewise.
7360 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
7361 * integrate.c (expand_inline_function): Don't check
7363 * print-tree.c (print_node): Don't print it.
7364 * toplev.c (rest_of_compilation): Don't try to inline when
7365 flag_no_inline is on.
7366 * tree.h (DECL_FRAME_SIZE): Remove.
7367 (tree_decl): Adjust accordingly.
7369 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7371 * combine.c (try_combine): Use memcpy, not bcopy.
7373 * genattrtab.c (expand_units): Likewise.
7375 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
7377 * i386.md (push mem DI peep2): New.
7378 (mov 0, mov -1 peep2): Handle 64bit.
7379 (lea to arithmetics peep2): Handle 64bit leas.
7380 (rsp arithmetics to push/pop peep2s): New.
7382 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
7384 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7386 * i386.c (struct machine_function): Add save_varrargs_registers.
7387 (ix86_save_varrargs_registers): New macro.
7388 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
7389 (ix86_expand_prologue): Likewise.
7390 (ix86_emit_epilogue_esp_adjustement): Likewise.
7391 (ix86_expand_epilogue): Likewise.
7392 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
7393 (pro_epilogue_adjust_stack_1): New insn.
7394 (pro_epilogue_adjust_stack_rex64): Likewise.
7395 * i386.h (MASK_NO_RED_ZONE): New constant.
7396 (TARGET_RED_ZONE): New macro.
7397 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
7398 (RED_ZONE_SIZE): New constant.
7399 (RED_ZONE_RESERVE): New constant.
7401 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7403 * toplev.c (set_float_handler): Use memcpy, not bcopy.
7405 2001-03-25 Kazu Hirata <kazu@hxi.com>
7407 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
7410 (umodhi3): Likewise.
7413 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7415 * mkconfig.sh (DEFINES): Handle entries with '='.
7417 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
7418 Set xm_defines to MACRO=value instead.
7420 * i370/xm-mvs.h: Delete.
7422 * ns32k/xm-pc532-min.h: Likewise.
7424 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7426 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
7428 use ix86_expand_binary_operator
7429 (?sh??i_?): Disable for 64bit.
7430 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
7431 * i386.c (shiftdi_operand): New predicate.
7433 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
7434 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
7435 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
7436 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
7437 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
7438 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
7439 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
7440 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
7441 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
7442 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
7443 (rotldi3, rotrdi3): New expanders.
7445 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
7447 * i386.md (movstrsi): Move offline.
7449 (strmovdi_rex64): New.
7450 (strmov?i): Accept 64bit.
7451 (strmov?i_rex64): New.
7452 (strmov?i_rex_1): New.
7453 (strmov?i_1): Disable for 64bit.
7454 (rep_mov?i_rex64): New.
7455 (rep_mov?i): Disable for 64bit.
7456 (clrstrsi): Move offline.
7457 (strset?i_rex64): New.
7458 (strset?i: Accept 64bit.
7459 (rep_stos?i): Disable for 64bit.
7460 (rep_stos?i_rex64): New.
7461 (strset?i_rex_1): New.
7462 (strset?i_1): Disable for 64bit.
7463 (cmpstrsi): Accept 64bit.
7464 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
7465 (cmpstrqi_nz_rex_1): New.
7466 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
7467 (strlensi): Move offline.
7469 (strlenqi_1): Disable for 64bit; fix constraints.
7470 (strlenqi_rex_1): New.
7471 * i386.c (ix86_adjust_counter): New static function.
7472 (ix86_zero_extend_to_Pmode): Likewise.
7473 (ix86_expand_aligntest): Likweise.
7474 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
7475 (ix86_expand_movstr): New global function.
7476 (ix86_expand_clrstr): New global function.
7477 (ix86_expand_strlen): New global function.
7478 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
7479 ix86_expand_strlen): Declare.
7480 (ix86_expand_strlensi_unroll_1): Delete.
7482 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
7484 * i386.md (cmpdi): Fix operand predicates.
7485 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
7486 cmpdi_1_insn_rex64): New patterns.
7487 (adddi3): Turn to expander.
7488 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
7489 (addsi3_carry_zext): New pattern.
7490 (adddi_?_rex64): New patterns and splitters.
7491 (addsi_?_zext): New patterns.
7492 (subsi3_carry_zext): New pattern.
7493 (subdi_?_rex64): New patterns and splitters.
7494 (iorsi_?_zext): New patterns.
7495 (iordi_?_rex64): New patterns and splitters.
7496 (iorsi_?_zext): New patterns.
7497 (iorsi_?_zext_imm): New patterns.
7498 (xorsi_?_zext): New patterns.
7499 (xordi_?_rex64): New patterns and splitters.
7500 (xorsi_?_zext): New patterns.
7501 (negdi*): New patterns.
7502 (one_cmpldi*): Likewise.
7503 (one_cmplsi*_zext, negsi*_zext): Likewise.
7504 (testqi_ext_3_rex64): New pattern.
7506 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
7508 * i386-protos.h (ix86_split_long_move): Return void.
7509 * i386.c (ix86_split_to_parts): Handle 64bit target.
7510 (ix86_split_long_move): Likewise.
7511 * i386.md (all calls to ix86_split_long_move): Update.
7513 2001-03-23 Richard Henderson <rth@redhat.com>
7515 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
7516 to avoid shadowing arguments.
7518 2001-03-23 Jakub Jelinek <jakub@redhat.com>
7520 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
7521 to variable names where DECL_NAME is different from
7522 DECL_ASSEMBLER_NAME.
7524 2001-03-23 Jim Wilson <wilson@redhat.com>
7526 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
7527 (assemble_alias): Call make_decl_rtl.
7529 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
7531 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
7533 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
7535 * extend.texi: Document the "java_interface" attribute.
7537 2001-03-22 Zack Weinberg <zackw@stanford.edu>
7539 * mkconfig.sh: Use a subshell with redirected stdout,
7540 instead of closing stdout and confusing commands that run
7541 afterward. Throw away output of cmp.
7543 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
7545 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
7547 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
7549 * i386.md (zero_extendsidi2_32): Break out from ...
7550 (zero_extendsidi2): ... here ; turn to expander.
7551 (zero_extendsidi2_rex64): New.
7552 (extendsidi2_32): Break out from ...
7553 (extendsidi2): ... here ; turn to expander.
7554 (extendsidi2_rex64): New.
7555 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7556 (trunc?f?f splitters): Add 64bit versions.
7558 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
7560 * i386.md (pushsi, pushsi2_prologue): Disable.
7561 (pushsi2_rex64): New.
7562 (movabs?i_1_rex64, movabs?i_2_rex64): New.
7563 (movqi_ext_1): Disable for 64bit.
7564 (movqi_ext_1_rex64): New.
7565 (pushdi2_rex64): New pattern, peep2s and splitter.
7566 (pushdi2_prologue_rex64): New pattern.
7567 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7569 (movdi splitters): Disable for 64bit.
7570 (movdi_1_rex64): New pattern, peep2s and splitters.
7571 (swapdi): New pattern.
7572 (pushsf): Disable for 64bit.
7573 (pushsf_rex64): New pattern and splitter.
7574 (pushdf_nointeger): Disable for 64bit.
7575 (pushdf_integer): Handle the 64bit case.
7576 (pushtf): Likewise; update splitters.
7578 2001-03-22 Richard Henderson <rth@redhat.com>
7580 * mkconfig.sh: Include insn-flags.h.
7581 * Makefile.in (CONFIG_H): Include insn-flags.h.
7582 (lots of objects): Remove insn-codes.h and insn-flags.h.
7584 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7585 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7586 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7587 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7588 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7589 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7590 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7591 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7592 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7593 v850/v850.c, vax/vax.c:
7594 Don't include insn-flags.h.
7596 * diagnostic.c, expr.h, reload.c, toplev.c:
7597 Don't include insn-codes.h.
7599 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7600 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7601 c4x/c4x.c, i960/i960.c, mips/mips.c:
7602 Don't include insn-codes.h or insn-flags.h.
7604 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7605 or insn-flags.h in the generated code.
7606 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7607 (main): Forward declare struct rtx_def.
7609 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
7611 * invoke.texi (-ffast-math): Remove duplicate line about
7614 * gcc.texi: Remove more obsolete documentation of bugs and
7615 installation problems.
7617 2001-03-21 Kazu Hirata <kazu@hxi.com>
7619 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7622 2001-03-20 Jason Merrill <jason@redhat.com>
7624 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7626 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7627 * varasm.c (CHKR_PREFIX): Likewise.
7629 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7631 * gcse.c (hash_scan_set): An expression is not anticipatible if it
7632 is part of a multi-SET insn.
7634 * cse.c (find_comparison_args): Remove previous change.
7635 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7638 * config/i386/i386.md (conditional_trap): Remove warning.
7640 * recog.c (push_operand): Fix error in last change that caused
7641 undefined symbol on many targets.
7643 * sdbout.c: #include ggc.h.
7644 (sdbout_init): Move to end of file.
7645 Call ggc_add_tree_root for anonymous_types.
7646 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7647 (sdbout_one_type): Use DECL_NAME for field name.
7648 * Makefile.in (sdbout.o): Show includes ggc.h.
7650 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
7652 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7653 (override_options): Use properlimits for preferred_stack_boundary.
7654 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7656 (ext_register_operand): Accept DImode.
7657 (load_pic_register): Abort on 64bit.
7658 (gen_push): Use Pmode instead of SImode.
7659 (ix86_save_reg): Pic reg is never used on 64bit.
7660 (ix86_expand_prologue): Likewise.
7661 (ix86_emit_save_regs): Use Pmode instead of SImode.
7662 (legitimate_address_p): Check displacement for 64bit.
7663 (print_operand): Avoid outputting of (%rip) on 64bit.
7664 (print_operand_address): Output (%rip) where possible.
7665 (split_di): Abort on 64bit registers.
7666 (ix86_expand_branch): DImode comparison is simple for x86_64.
7667 (memory_address_length): Recognize memory addresses formed using
7669 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7671 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7673 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7675 * recog.c (push_operand): Recognize new format of push instructions.
7677 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7679 * i386.md (pushqi1): New.
7680 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7681 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7682 x86_64_immediate_operand, x86_64_immediate_operand,
7683 x86_64_zext_immediate_operand): Declare.
7684 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7685 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7686 x86_64_immediate_operand, x86_64_immediate_operand,
7687 x86_64_zext_immediate_operand): define.
7688 * i386.h (PREDICATE_CODES): Add new predicates.
7690 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7692 * i386.md (pophi1, popqi1, pushqi1): Remove.
7694 * expr.c (emit_single_push_insn): New function.
7695 (move_by_pieces): Accept NULL as destination for push instructions.
7696 (gen_push_operand): Kill.
7697 (emit_push_insn): Pass NULL when pushing; avoid updating of
7698 stack_pointer_delta.
7699 * expr.h (gen_push_operand): Kill.
7701 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7703 * rtl.texi (COMPARE): Clarify documentation and reference section
7706 2001-03-20 Stan Shebs <shebs@apple.com>
7708 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7709 (get_object_reference): Ditto.
7710 (error_with_ivar): Use error_with_file_and_line.
7711 (warn_with_method): Use warning_with_file_and_line.
7713 2001-03-20 Tom Tromey <tromey@redhat.com>
7715 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7717 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7719 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7720 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7722 2001-03-20 DJ Delorie <dj@redhat.com>
7724 * Makefile.in (install-libgcc): Pass complete list of variables.
7725 (install-multilib): Ditto.
7727 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7729 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7730 drectve_section, switch_to_section.
7732 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7733 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7734 i386_pe_mark_dllimport.
7736 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7738 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7739 functions i386_pe_*.
7741 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7742 i386_pe_* functions with char * arguments.
7744 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7746 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7748 (movsi_ie): Introduce fpul store.
7750 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7752 * Makefile.in (OBJS): Remove hashtab.o.
7754 2001-03-19 Stan Shebs <shebs@apple.com>
7756 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7757 * c-lang.c (maybe_objc_method_name): Ditto.
7758 * c-tree.h (maybe_objc_method_name): Remove decl.
7760 2001-03-19 Tom Tromey <tromey@redhat.com>
7762 * gcc.c (init_gcc_specs): Fix comment.
7764 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7766 Compute DECL_ASSEMBLER_NAME lazily.
7767 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7768 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7769 (SET_DECL_ASSEMBLER_NAME): Likewise.
7770 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7771 (set_decl_assembler_name): Declare.
7772 (lang_set_decl_assembler_name): Likewise.
7773 * tree.c (lang_set_decl_assembler_name): New variab.e
7774 (set_decl_assembler_name): New function.
7775 (init_obstacks): Set lang_set_decl_assembler_name.
7776 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7777 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7778 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7779 where it's not necessary.
7780 (builtin_function): Likewise.
7781 (finish_decl): Likewise.
7782 * dbxout.c (dbxout_type_methods): Likewise.
7783 * ggc-common.c (ggc_mark_trees): Likewise.
7784 * profile.c (output_func_start_profiler): Likewise.
7785 * varasm.c (make_decl_rtl): Likewise.
7787 * cse.c (find_comparison_args): Update documentation. Fix
7788 mishandling of COMPARE operations.
7790 * tree.def (ABS_EXPR): Add documentation.
7791 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7793 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7795 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7797 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7799 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7800 Remove ia32 linux PIC kludge and move it...
7801 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7803 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7805 * i386.md (absdf2 expander): Fix 64bit case.
7807 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7809 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7811 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7813 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7815 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7817 * README.X11: Remove obsolete file.
7819 2001-03-18 Anthony Green <green@redhat.com>
7821 * config/pj/pj.h: Remove some trailing commas.
7822 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7824 2001-03-18 Richard Henderson <rth@redhat.com>
7826 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7827 * calls.c: ... here.
7828 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7829 defaults for them here.
7831 2001-03-17 Anthony Green <green@redhat.com>
7833 * config/pj/lib1funcs.S: Fix broken comment.
7834 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7837 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7839 * gcc.texi: Remove obsolete information relating to build and
7840 installation problems with enquire or the Pyramid C compiler.
7842 2001-03-17 Richard Henderson <rth@redhat.com>
7844 * dwarf2out.c (queue_reg_save): New.
7845 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7846 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7848 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7849 (cfa, cfa_store, cfa_temp): Make static.
7850 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7852 2001-03-17 Richard Henderson <rth@redhat.com>
7854 * integrate.h (struct inline_remap): Add local_return_label.
7855 * integrate.c (expand_inline_function): Initialize it and emit
7856 it after copy_insn_notes.
7857 (copy_insn_list): Don't store local_return_label here.
7858 (copy_insn_notes): New function split out from copy_insn_list.
7860 2001-03-17 Richard Henderson <rth@redhat.com>
7862 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7863 is generating .debug_line.
7864 (dwarf2out_init): Add main_input_filename to the file table first.
7865 * configure.in (as_dwarf2_debug_line): Test with file number 1
7866 instead of file number 0.
7868 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7870 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7871 (gen_rtx_combine): Deleted; all references changed as appropriate.
7872 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7874 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7876 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7878 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7881 2001-03-16 Jim Wilson <wilson@redhat.com>
7883 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7884 then set it to LOC_REG (79) instead of aborting.
7886 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7888 * gccbug.in: Remove high priority.
7890 2001-03-16 Richard Henerson <rth@redhat.com>
7892 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7893 output with a space instead of deleting it.
7894 * configure: Regenerate.
7896 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7898 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7899 handles the gory details of converting an object file into
7900 something that's safe to grep.
7901 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7902 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7903 newlines at either end of the string we're looking for.
7904 Make 'checking ...' message less stilted.
7905 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7906 ARM in-memory layout and its hypothetical converse. Don't
7907 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7908 HOST_WORDS_BIG_ENDIAN.
7910 * configure.in: Adjust for renamed macro. Move
7911 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7912 * configure, config.in: Regenerate.
7914 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7916 * fixinc/Makefile.in: Set SHELL.
7918 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7920 * fixinc/fixincl.c (fix_with_system): Quote file names before
7921 passing them to shell.
7923 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7925 * Makefile.in: Use fix-header$(build_exeext) instead
7928 2001-03-16 Richard Henderson <rth@redhat.com>
7930 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7931 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7932 (size_of_line_prolog): Remove.
7933 (output_line_info): Compute prologue size via label difference.
7934 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7936 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7937 assembler error when redefining file numbers.
7938 * config.in, configure: Rebuild.
7940 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7941 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7942 (dw2_asm_output_delta_uleb128): Likewise.
7943 (dw2_asm_output_delta_sleb128): Similarly.
7944 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7946 2001-03-16 Michael Meissner <meissner@redhat.com>
7948 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7950 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7952 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7954 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7955 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7956 being unsigned in ISO C and signed in traditional.
7957 (expand_prologue): Ditto.
7958 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7960 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7962 (divsi3,divdi3): Ditto.
7963 (modsi3,moddi3): Ditto.
7964 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7965 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7966 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7969 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7971 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7972 SSE based conditional moves on LTGT/UNEQ conditions;
7973 Canonicalize EQ to NE.
7974 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7975 (sse_mov?fcc_ne): New.
7977 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7979 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7981 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7982 register may be dead.
7984 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7986 * Makefile.in (hash.o): Depend on CONFIG_H.
7988 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7990 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7992 2001-03-15 Richard Henderson <rth@redhat.com>
7994 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7995 (ASM_OUTPUT_DWARF_PCREL): New.
7996 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7998 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
8000 * cppfiles.c (stack_include_file): Use MAX of sysp.
8002 2001-03-15 Steve Ellcey <sje@cup.hp.com>
8004 * config.gcc (ia64*-*-hpux*): New case.
8005 * config/ia64/hpux.h: New file for HP-UX support.
8006 * config/ia64/t-hpux: New file for HP-UX support.
8008 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
8010 * fixinc/inclhack.def (irix_stdio_va_list): New.
8011 * fixinc/fixincl.x: Rebuilt.
8013 2001-03-15 Richard Henderson <rth@redhat.com>
8015 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
8016 if provided by the target.
8017 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
8018 (dw2_asm_output_addr): New.
8019 * dwarf2asm.h (dw2_asm_output_addr): Declare.
8020 * dwarf2out.c (output_cfi): Use it for program addresses.
8021 (output_call_frame_info, output_die): Likewise.
8022 (output_aranges, output_line_info): Likewise.
8024 2001-03-15 Bruce Korb <bkorb@gnu.org>
8026 * gcc.c(main): make more rigorous
8027 * collect2.c(main): guard against ignoring SIGCHLD
8028 * protoize.c(main): ditto
8029 * gcc/fixinc/fixincl.c(initialize): ditto
8031 2001-03-15 Mark Mitchell <mark@codesourcery.com>
8033 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
8034 (sdbout_parms): Likewise.
8036 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
8038 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
8039 "widen" a destination that is already wider than a word. Also do
8040 not widen if LOAD_EXTEND_OP is NIL for the given mode.
8042 2001-03-15 Bernd Schmidt <bernds@redhat.com>
8044 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
8046 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
8048 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
8050 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
8052 * i960.h (i960_maxbitalignment,
8053 i960_last_maxbitalignment): Declare.
8054 * i960.c (i960_maxbitalignment,
8055 i960_last_maxbitalignment): Make global.
8056 (process_pragma): Delete.
8057 (i960_pr_align, i960_pr_noalign): Move from here ...
8058 * i960-c.c: ... to this new file.
8059 * t-960bare (i960-c.o): New rule.
8060 * t-vxworks960 (i960-c.o): Likewise.
8061 * config.gcc (i960-*-*): Define c_target_objs and
8064 2001-03-15 Bernd Schmidt <bernds@redhat.com>
8066 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
8067 without adding in rtx code and mode.
8069 * alias.c (init_alias_analysis): Don't use any rtx whose value
8070 varies as a known value.
8071 Delete a superfluous test.
8073 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
8075 (ia64_sched_reorder): Call maybe_rotate; also rotate after
8076 scheduling a stop bit.
8077 (ia64_emit_nops): Correctly handle ASMs.
8079 2001-03-15 Mark Mitchell <mark@codesourcery.com>
8081 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
8083 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
8085 * cpp.texi: Update documentation for -include and -imacros.
8086 * cppfiles.c (struct include_file): Remove "defined" memeber.
8087 (find_or_create_entry): Make a copy of the file name, and
8089 (open_file): Update to ensure we use the simplified filename.
8090 (stack_include_file): Don't set search_from.
8091 (cpp_included): Don't simplify the path name here.
8092 (find_include_file): New prototype. Call search_from to
8093 get the start of the "" include chain. Don't simplify the
8095 (_cpp_execute_include): New prototype. Move diagnostics to
8096 do_include_common. Update.
8097 (_cpp_pop_file_buffer): Don't set defined.
8098 (search_from): New prototype. Use the preprocessor's cwd
8099 for files included from the command line.
8100 (read_name_map): Don't simplify the pathname here.
8101 * cpphash.h (enum include_type): New.
8102 (struct buffer): Delete search from. New search_cached.
8103 (_cpp_execute_include): Update prototype.
8104 * cppinit.c (do_includes): Use _cpp_execute_include.
8105 * cpplib.c (do_include_common): New function.
8106 (do_include, do_include_next, do_import): Use it.
8108 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8110 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
8111 contents of the RTL, to determine the name of the object.
8113 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8115 * tree.h (DECL_RTL): Allocate RTL lazily.
8116 (SET_DECL_RTL): New macro.
8117 (DECL_RTL_SET_P): Likewise.
8118 (COPY_DECL_RTL): Likewise.
8119 (DECL_RTL_IF_SET): Likewise.
8120 * varasm.c (make_decl_rtl): Add assertions about the kind of
8121 declaration we are processing.
8122 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
8123 (start_decl): Likewise.
8124 (finish_decl): Likewise.
8125 * c-semantics.c (emit_local_var): Likewise.
8126 * calls.c (expand_call): Likewise.
8127 * dbxout.c (dbxout_symbol): Likewise.
8128 * emit-rtl.c (unshare_all_rtl): Likewise.
8129 (unshare_all_decls): Likewise.
8130 (reset_used_decls): Likewise.
8131 * expr.c (store_constructor): Likewise.
8132 (safe_from_p): Likewise.
8133 (expand_expr): Likewise.
8134 * function.c (put_var_into_stack): Likewise.
8135 (instantiate_decls_1): Likewise.
8136 (assign_parms): Likewise.
8137 (expand_function_start): Likewise.
8138 (expand_function_end): Likewise.
8139 * ggc-common.c (gcc_mark_trees): Likewise.
8140 * integrate.c (function_cannot_inline_p): Likewise.
8141 (copy_decl_for_inlining): Likewise.
8142 (expand_inline_function): Likewise.
8143 (integrate_parm_decls): Likewise.
8144 (integrate_decl_tree): Likewise.
8145 * print-tree.c (print_node): Likewise.
8146 * reg-stack.c (stack_result): Likewise.
8147 * stmt.c (label_rtx): Likewise.
8148 (expand_return): Likewise.
8149 (expand_decl): Likewise.
8150 (expand_decl_cleanup): Likewise.
8151 (expand_anon_union_decl): Likewise.
8152 * toplev.c (check_global_declarations): Likewise.
8153 (rest_of_decl_compilation): Likewise.
8154 * tree.c (simple_cst_equal): Likewise.
8155 * objc/objc-act.c (generate_static_references): Likewise.
8157 2001-03-14 Zack Weinberg <zackw@stanford.edu>
8159 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
8160 gcc_AC_C_FLOAT_FORMAT): New macros.
8161 * configure.in: Add AC_PROG_CPP after CC tests;
8162 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
8163 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
8164 * configure, config.in: Regenerate.
8166 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
8167 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8168 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8169 config/i370/xm-linux.h, config/i370/xm-oe.h,
8170 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8171 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
8172 config/pa/xm-linux.h, config/pa/xm-pa.h,
8173 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
8174 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
8175 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
8176 config/we32k/xm-we32k.h: Delete.
8178 * config/i370/xm-mvs.h, config/m88k/m88k.h,
8179 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8180 config/vax/xm-vms.h: Don't define any of:
8181 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
8183 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
8185 * config.gcc: Remove references to deleted files.
8186 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
8187 FATAL_EXIT_CODE, which is the same between oe and mvs).
8189 2001-03-14 DJ Delorie <dj@redhat.com>
8190 Vladimir Makarov <vmakarov@redhat.com>
8192 * config/i960/i960.c (i960_function_prologue): Compute size of
8193 frame according to number of registers actually saved there.
8195 2001-03-14 Richard Henderson <rth@redhat.com>
8197 * expr.c (emit_move_insn_1): Fix else if around #endif.
8199 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
8202 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
8205 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
8207 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
8208 (override_options): Parse cmodel string.
8209 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
8210 * i386.h (TARGET_OPTIONS): Add "cmodel".
8211 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
8213 (ix86_cmodel_string, ix86_cmodel): Declare.
8215 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
8218 * i386.h (GENERAL_REG_P): Add missing REG_P.
8220 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
8222 * configure.in: Use $gcc_cv_as instead of $as.
8223 * configure: Regenerated.
8225 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
8227 * cppfiles.c (stack_include_file): Only increase the include
8228 count if we actually process the file properly, as opposed
8229 to treating it as length zero. Only call read_include_file
8230 if not DO_NOT_REREAD. Handle the -H include file output
8232 (read_include_file): Remove now redundant DO_NOT_REREAD check.
8233 (cpp_included, find_include_file): Simplify pathnames after
8234 remapping them. If remapping, don't use the remapped file
8235 name's buffer as our scratch buffer.
8236 (cpp_pop_file_buffer): Replace the multiple include macro
8237 only if it isn't yet set.
8238 (read_name_map): Simplify remapped names when reading in.
8239 (remap_filename): Move code to code path that uses it.
8240 (_cpp_simplify_pathname): Return the input pointer.
8241 * cpphash.h (_cpp_simplify_pathname): Update prototype.
8243 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8245 * expr.c (expand_expr): Revove bogus conditional.
8247 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
8249 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
8251 2001-03-14 Jakub Jelinek <jakub@redhat.com>
8253 * reg-stack.c (stack_result): Unconditionally use
8254 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
8256 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
8258 * expr.c (emit_move_insn_1): Split push of complex value when
8259 no suitable push instruction exist.
8261 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
8262 instead of QI_REG_P.
8264 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8266 * alias.c (handled_component_p, can_address_p): New functions.
8267 (get_alias_set): Use them.
8269 2001-03-13 Jim Wilson <wilson@redhat.com>
8271 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
8272 from 80 in try_locals code.
8273 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
8275 2001-03-13 Zack Weinberg <zackw@stanford.edu>
8277 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
8278 gcc_AC_C_LONG_LONG): New.
8279 * configure.in: Use them. Probe the size of short, int, long,
8280 and long long/__int64 if we have them. Move all the AC_C_*
8281 checks together, except gcc_AC_C_CHAR_BIT which has to go
8282 after AC_CHECK_HEADERS(limits.h).
8283 Take hwint.h out of host_xm_file and build_xm_file.
8285 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
8286 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
8287 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
8288 Move the HOST_WIDEST_INT setup logic here from system.h.
8289 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
8291 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
8292 is now handled by hwint.h.
8294 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
8295 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
8296 config/ia64/xm-ia64.h: Don't define any of:
8297 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
8298 HOST_BITS_PER_LONGLONG.
8300 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
8301 config/h8300/xm-h8300.h, config/mips/iris6.h,
8302 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
8303 config/sparc/xm-sp64.h: Delete.
8304 * config.gcc: Remove references to deleted files.
8306 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
8307 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
8308 * config/i370/xm-linux.h: Clarify floating-point situation in
8311 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
8313 * cppfiles.c (NO_INCLUDE_PATH): New macro.
8314 (find_include_file): Decide here which part of the include
8315 chain to start the search. Complain about an empty include
8316 chain in all cases apart from an abolsute file name.
8317 (_cpp_execute_include): Don't choose the search chain here.
8318 Don't call handle_missing_include in the case of an empty
8320 (_cpp_compare_file_date): Don't choose the search chain here.
8321 * cpplib.c (do_include_next): Move the in-main-file diagnostic
8322 here from _cpp_execute_include. Behave like #include if
8323 we're in the main file.
8325 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8327 * system.h (malloc, realloc, calloc, strdup): Only poison these
8328 tokens when IN_GCC is defined.
8330 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
8332 * i386.md (abs?f expander): Support SSE case.
8333 (abd?f_if): Add new "USE"; add splitters.
8335 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8337 * cpp.texi (poison): Explain the macro expansion exception.
8339 2001-03-13 Jakub Jelinek <jakub@redhat.com>
8341 * expr.c (store_expr): Add dont_store_target. If temp is already in
8342 target before copying to reg, don't store it into target again.
8344 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8346 * cppinternals.texi: Update for file handling.
8348 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8350 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
8351 2001-02-24 which broke building the Java library.
8352 * function.c (identify_blocks): Likewise.
8353 (all_blocks): Likewise.
8354 * integrate.c (integrate_decl_tree): Likewise.
8355 * print-tree.c (print_node): Likewise.
8356 * tree.h (BLOCK_NUMBER): Likewise.
8357 (struct tree_block): Likewise.
8359 2001-03-12 David Edelsohn <edelsohn@gnu.org>
8361 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
8362 __WCHAR_TYPE__ definition.
8363 (WCHAR_TYPE_SIZE): #undef before #define.
8365 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8367 * cppfiles.c: Update comments.
8368 (destroy_include_file_node): Rename destroy_node.
8369 (find_or_create_entry): New function.
8370 (open_file, _cpp_fake_include): Use it.
8371 (handle_missing_header): New function, broken out of
8372 _cpp_execute include. Don't segfault if there is no
8373 system or quoted path.
8374 (_cpp_execute_include): Use handle_missing_header.
8376 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8378 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
8379 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
8381 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8383 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
8384 unless anti_dependence says they are.
8385 * alias.c (objects_must_conflict): If neither has a type specified,
8388 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8389 David Billinghurst <David.Billinghurst@riotinto.com>
8391 * config/mips/iris5.h: Change WCHAR_TYPE to int.
8393 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
8395 * i386.md (trunctfdf2_2): Rename missnamed pattern.
8396 (*_one_bit): Remove type on the match_operand in attributes.
8398 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
8400 * i386.c: Commit forgotten hunk in previous patch.
8401 (regclass_map): Add extended registers.
8402 (dbx_register_map): Add missing frame register.
8404 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
8406 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
8408 * i386.md (x86_sahf_1): Disable for 64bit.
8409 (popsi*, pophi*): Likewise.
8410 (pushqi, pushhi): Likewise.
8411 (movdi, pushdi): Likewise.
8412 (zero extend DImode splitter): Likewise.
8413 (adddi, minusdi splitter): Likewise.
8414 (umulsidi): Likewise.
8416 (mulsidi): Disable for 64bit
8417 (lshift:DI/ashift:DI): Disable for 64bit.
8418 (loop patterns): Likewise.
8419 (call_pop, call_value_pop expanders and patterns): Likewise.
8420 (prologue_get_pc): Likewise.
8422 (fcmovDI pattern and splitter): Likewise.
8423 (movdfcc_1_rex64): New.
8425 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
8427 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
8428 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
8429 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
8430 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
8431 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
8432 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
8433 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
8434 (PUSH_ROUNDING): x86_64 rounds to 64bits.
8435 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
8436 (REGPARM_MAX): Set to 6 for x86_64.
8437 (SSE_REGPARM_MAX): Set to 16 for x86_64.
8438 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
8441 * (patterns that does use upper halves): Update constraints
8442 'q' to 'Q' and 'r' to 'R'.
8443 (cmpqi_ext_1): Disable for 64bit.
8444 (cmpqi_ext_3_insn): Likewise.
8445 (movqi_extzv_1): Likewsie.
8446 (addqi_ext_1): Liekwsie
8447 (testqi_ext_1): Liekwsie
8448 (andqi_ext_1): Liekwsie
8449 (xorqi_ext_1): Liekwsie
8450 (cmpqi_ext_1_rex64): New.
8451 (cmpqi_ext_3_insn_rex64): Likewise.
8452 (movqi_extzv_1_rex64): Likewsie.
8453 (addqi_ext_1_rex64): Liekwsie
8454 (testqi_ext_1_rex64): Liekwsie
8455 (andqi_ext_1_rex64): Liekwsie
8456 (xorqi_ext_1_rex64): Liekwsie
8458 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8460 * configure.in: Move check for unsigned enumerated bitfields
8461 to macro in aclocal.m4. Disable it for now.
8462 * configure, config.in: Regenerate.
8463 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
8464 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
8465 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
8466 kind above its first use.
8468 * config/xm-interix.h, config/alpha/xm-alpha.h,
8469 config/i370/xm-linux.h, config/i386/xm-beos.h,
8470 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
8471 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8472 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
8473 Don't define ONLY_INT_FIELDS under any circumstances.
8475 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
8477 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8478 config/sparc/xm-sysv4.h: Delete - now identical with some
8480 * config.gcc (hppa targets): Replace xm-pahpux.h and
8481 xm-papro.h with implicit xm-pa.h.
8482 (sparc targets): Replace xm-sysv4.h with implicit or explicit
8485 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
8487 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
8488 before reload_cse_noop_set_p.
8490 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8492 * config.gcc: Where xm-host.h used to include another
8493 xm-host.h, list the nested header directly in xm_file. Remove
8494 references to deleted files. Can now use sparc/xm-sp64.h for
8497 * config/xm-linux.h, config/arm/xm-linux.h,
8498 config/i386/xm-dos.h, config/i386/xm-gnu.h,
8499 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
8500 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
8501 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
8502 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
8505 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
8506 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
8507 bother to wrap #undef in #ifdef.
8508 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
8509 Don't include xm-linux.h.
8510 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
8512 * configure.in: Wrap regexps using [] in changequote block.
8513 Use expr : not echo | grep. Simplify regexps.
8514 * configure: Regenerate.
8516 56 xm-files remain, 22 xm-arch.
8518 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8520 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
8521 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8522 (local_index, local_rindex): Delete, use strchr/strrchr instead.
8523 (copy_object): Fix format specifier vs argument mismatch.
8525 * mips-tdump.c: Make local functions static.
8526 (rindex): Don't #undef.
8527 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8528 (fatal, fancy_abort): Delete.
8529 (read_seek): Avoid signed/unsigned compare.
8531 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8533 * combine.c (try_combine): Fix error in change to try original
8535 (gen_rtx_combine): Do same as gen_rtx for now.
8537 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8539 * configure.in: AC_SUBST xm_defines.
8540 * configure: Regenerate.
8541 * Makefile.in: Set DEFINES=$(xm_defines) when building
8544 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
8546 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
8547 (cpp_included, find_include_file): Update.
8548 (_cpp_compare_file_date): Make else unconditional.
8550 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
8552 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
8554 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8556 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8557 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8559 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
8561 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8562 if it's a record type.
8564 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
8566 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
8567 mingw includes slightly.
8569 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8571 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8572 #undef token before poisoning it.
8574 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8576 * alpha.c (check_float_value): Use memcpy, not bcopy.
8578 * m32r.c (m32r_sched_reorder): Likewise.
8580 * vax.c (check_float_value): Likewise.
8582 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8584 * toplev.c (file_name_nondirectory): Remove.
8585 * toplev.h: Similarly.
8586 * dwarf2out.c (compute_section_prefix): Use lbasename instead
8587 of file_name_nondirectory.
8589 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8591 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8592 * mips-tfile.c: Don't #undef rindex; not used.
8594 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
8596 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8597 (dbx64_register_map): Declare.
8598 (RETURN_ADDR_RTX): Fix for 64bit.
8599 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8600 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8601 * i386.c (dbx64_register_map): New global array.
8602 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8603 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8606 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8608 * cppfiles.c (search_from): Use lbasename.
8609 * mkdeps.c (deps_add_default_target): Use lbasename.
8611 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8613 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8614 xcalloc in lieu of malloc, realloc & calloc.
8616 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8618 * gengenrtl.c (xmalloc): Likewise.
8620 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8621 really_call_* memory allocation routines.
8623 * stmt.c (check_for_full_enumeration_handling): Use
8624 really_call_calloc, not calloc.
8626 * system.h (really_call_malloc, really_call_calloc,
8627 really_call_realloc): Define.
8628 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8630 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
8632 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8634 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
8636 * configure: Rebuilt.
8637 * configure.in: Only use `lang_requires' for languages athat are
8640 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
8642 * invoke.texi: Fix typo.
8643 * gcc.1: Regenerate.
8645 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8647 * configure.in: Prune nonexistent files from build_xm_file,
8648 xm_file, and host_xm_file lists. Warn unless they're
8650 Don't generate *config.h here.
8651 AC_SUBST all variables needed to generate *config.h.
8652 * configure: Regenerate.
8653 * mkconfig.sh: New helper script, from code removed from
8655 * Makefile.in: Zap all MALLOC variables - no longer used
8656 anywhere, and malloc.c doesn't exist.
8657 Substitute in variables needed to generate *config.h.
8658 Stop lying about the dependencies contained in CONFIG_H and
8660 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8661 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8662 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8663 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8664 $(TM_P_H), etc. as appropriate.
8666 * config.gcc: Zap references to deleted files.
8667 * ggc-none.c: Don't include rtl.h or tm_p.h.
8669 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8670 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8671 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8672 config/i386/xm-linux.h, config/i386/xm-linux.h,
8673 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8674 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8675 Don't include i386/xm-i386.h.
8677 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8678 config/i386/xm-i386.h, config/i860/xm-i860.h,
8679 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8680 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8681 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8682 Delete (empty except comments, #includes of other deleted
8683 files, and macros used nowhere).
8685 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8687 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8688 independent on TARGET_FLAGS.
8690 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8692 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8694 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8696 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8698 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8699 LAST_REX_SSE_REG): define.
8700 (enum reg_class): Add 'LEGACY_REGS'
8701 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8702 (SSE_REGNO_P): Recognize extended registers.
8703 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8704 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8705 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8706 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8707 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8708 REG_OK_FOR_STRREG_P): Remove.
8709 (HI_REGISTER_NAMES): Add extended registers.
8710 (ADDITIONAL_REGISTER_NAMES): Likewise.
8711 (QI_REGISTER_NAMES): Add 8bit extended registers.
8712 (DEBUG_REG): Support extended registers.
8713 * i386.c (regclass_map): Add extended registers.
8714 (dbx_register-map): Likewise.
8715 (svr4_dbx_register_map): Likewise.
8716 (print_reg): Support extended registers.
8717 (print_operand): Support 64bit operands.
8719 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8721 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8722 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8723 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8724 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8725 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8726 STACK_BOUNDARY): Set properly for 64bits.
8727 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8728 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8729 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8730 (MOVE_MAX): Set to 16.
8731 (MOVE_MAX_PIECES): 8 for 64bit.
8732 (Pmode): Set to SImode.
8734 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8736 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8738 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8740 * i386.h (mask_64bit): New constant.
8741 (target_64bit): New macro.
8742 (target_options): Add '64'/'32'
8743 (target_default): Define.
8744 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8745 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8746 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8748 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8750 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8752 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8754 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8755 LO_SUM unless for_alias is set.
8757 2001-03-08 Stan Shebs <shebs@apple.com>
8759 * objc/objc-act.c: Fix old typos in comments, add comments for
8761 (hash_init): Fix file name in error message.
8762 (hash_enter): Ditto.
8763 (hash_add_attr): Ditto.
8764 (continue_class): Ditto.
8766 2001-03-08 Bruce Korb <bkorb@gnu.org>
8768 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8769 wait4() can receive the signal.
8771 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8773 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8775 * fixinc/fixincl.x: Regenerate.
8777 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8779 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8781 * fixinc/fixincl.x: Regenerate.
8783 2001-03-08 Richard Henderson <rth@redhat.com>
8785 * configure.in (HAVE_AS_LEB128): New assembler check.
8786 * configure, config.in: Rebuilt.
8788 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8790 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8793 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8795 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8796 references to the MAXPATHLEN macro.
8798 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8799 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8802 * config/i386/xm-gnu.h, config/xm-gnu.h,
8803 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8804 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8805 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8806 and/or unused files.
8808 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8809 doing so in various xm-*.h files.
8811 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8813 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8815 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8817 * configure.in (enable_shared): Support per-package shared-library
8819 * configure: Rebuilt.
8821 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8823 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8824 for crnot. Set operands[5] in splitter.
8826 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8828 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8829 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8830 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8831 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8832 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8833 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8834 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8837 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8838 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8839 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8840 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8841 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8842 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8843 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8844 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8845 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8846 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8847 Delete unused and/or empty files.
8849 * config.gcc: Define USG in xm_defines as appropriate. Define
8850 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8851 macro. Remove deleted xm-* files from $xm_files variable.
8853 2001-03-07 Tom Tromey <tromey@redhat.com>
8855 * configure: Rebuilt.
8856 * configure.in: Allow config-lang.in to set `lang_requires' to list
8857 of other required languages.
8859 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8861 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8863 (output_prologue): Use xmalloc not oballoc.
8864 (output_epilog): Free a29k_first_epilogue_insn when finished.
8865 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8867 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8869 * builtins.c (expand_builtin_mathfn): Check
8870 flag_unsafe_math_optimizations, not flag_fast_math.
8871 (expand_builtin): Likewise
8872 * combine.c (combine_simplify_rtx): Likewise.
8873 (simplify_if_then_else): Likewise.
8874 * cse.c (fold_rtx): Likewise.
8875 * flags.h: Remove flag_fast_math. Add
8876 flag_unsafe_math_optimizations and flag_trapping_math.
8877 * fold-const.c (negate_expr): Check
8878 flag_unsafe_math_optimizations, not flag_fast_math.
8879 (invert_truthvalue): Likewise.
8880 (fold): Likewise. Before associating operands, check that
8881 code == MULT_EXPR, not code != MULT_EXPR.
8882 * ifcvt.c (noce_try_minmax): Check
8883 flag_unsafe_math_optimizations, not flag_fast_math.
8884 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8885 * invoke.texi: Document -funsafe-math-optimizations and
8886 -fno-trapping-math. Change documentation for -ffast-math.
8887 * jump.c (reversed_comparison_code_parts): Likewise.
8888 (rtx_equal_for_thread_p): Likewise.
8889 * optabs.c (emit_conditional_move): Likewise.
8890 * simplify-rtx.c (simplify_binary_operation): Likewise.
8891 (simplify_relational_operation): Likewise.
8892 (simplify_ternary_operation): Likewise.
8893 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8894 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8895 Add trapping-math and unsafe-math-optimizations entries to f_options.
8896 (set_fast_math_flags): New, sets flags for -ffast-math.
8897 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8898 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8899 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8901 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8902 (alpha_emit_conditional_move): Initialize local_fast_math to
8903 flag_unsafe_math_optimizations, not flat_fast_math.
8904 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8905 instead of setting flag_fast_math to 1.
8906 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8908 * config/i386/i386.c (override_options): Likewise
8909 * config/i386/i386.md: Likewise.
8910 * config/m68k/m68k.md: Likewise.
8911 * config/mips/mips.md: Likewise.
8912 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8913 (rs6000_generate_compare): Likewise.
8915 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8917 * Makefile.in: Set RANLIB to @RANLIB@.
8920 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8922 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8923 * fixinc/fixincl.x: Regenerated.
8925 2001-03-07 Richard Henderson <rth@redhat.com>
8927 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8929 2001-03-07 Richard Henderson <rth@redhat.com>
8931 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8932 of block notes and exception handling notes.
8934 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8935 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8936 (compile_file): ... here.
8938 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8940 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8942 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8943 config.h now. Include libiberty.h to handle alloca.
8945 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8947 * c-parse.in (yylexname): New function, split out of _yylex.
8948 (objc_rid_sans_at): New table.
8949 (init_reswords): Initialize it.
8950 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8951 retrieving the next token and checking it for significance as
8952 an ObjC keyword or string constant.
8954 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8955 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8957 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8960 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8962 * config/m68k/m68k.c (const_uint32_operand): Accept any
8963 const_int on a 32-bit host.
8965 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8967 * objc/objc-act.c (init_objc): Set save_lang_status,
8968 restore_lang_status, and mark_lang_status.
8970 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8972 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8974 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8976 * cppinternals.texi: Update.
8978 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8980 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8981 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8982 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8983 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8984 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8985 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8986 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8987 config/i386/xm-i386.h, config/i860/xm-i860.h,
8988 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8989 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8990 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8991 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8992 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8993 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8994 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8995 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8996 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8997 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8998 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8999 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
9000 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
9001 match the defaults provided in hwint.h.
9003 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
9004 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
9006 * config.gcc (xm_file): Don't set to files which are deleted.
9008 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
9009 guard this file against these macros being undefined.
9011 2001-03-06 Zack Weinberg <zackw@stanford.edu>
9013 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
9014 and DECL_DEFER_OUTPUT on the decl we create, before calling
9015 rest_of_decl_compilation.
9017 2001-03-06 Zack Weinberg <zackw@stanford.edu>
9019 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
9021 * configure, config.in: Regenerate.
9022 * config.gcc: Remove references to deleted files.
9024 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
9025 genrecog.c, rtl.c: Do not use alloca anywhere.
9027 * Makefile.in, build-make, system.h, config/x-interix,
9028 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
9029 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
9030 config/arc/xm-arc.h, config/arm/xm-arm.h,
9031 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9032 config/h8300/xm-h8300.h, config/i370/x-oe,
9033 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
9034 config/i386/x-ncr3000, config/i386/x-sco5,
9035 config/i386/xm-dgux.h, config/i860/x-sysv4,
9036 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
9037 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
9038 config/m68k/x-hp320g, config/m69k/x-mot3300,
9039 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
9040 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
9041 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
9042 config/m88k/x-sysv4, config/m88k/x-tekXD88,
9043 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
9044 config/mips/x-iris, config/mips/x-iris3,
9045 config/mips/x-sni-svr4, config/mips/x-sysv,
9046 config/mips/xm-iris6.h, config/mips/xm-mips.h,
9047 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
9048 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
9049 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
9050 config/pa/xm-papro.h, config/romp/xm-romp.h,
9051 config/rs6000/x-aix31, config/rs6000/x-aix41,
9052 config/rs6000/x-beos, config/rs6000/x-lynx,
9053 config/rs6000/x-mach, config/rs6000/x-rs6000,
9054 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
9055 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9056 config/sparc/x-sysv4, config/sparc/xm-linux.h,
9057 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
9058 config/vax/xm-vms.h: Eradicate all references to alloca and
9061 * config/xm-alloca.h, config/clipper/x-clix,
9062 config/i386/xm-sysv4.h, config/i860/x-fx2800,
9063 config/i860/x-sysv3, config/m88k/x-sysv3,
9064 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
9065 (contained only alloca related hacks).
9067 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
9070 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
9072 * invoke.texi: Document __FAST_MATH__.
9074 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9076 * crtstuff.c: Restore include of auto-host.h.
9078 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
9080 Put main() in a separate file, so that the language
9081 front-end can use a different main().
9084 * toplev.c: (main): Rename as toplev_main.
9085 * toplev.h: Declare toplev_main.
9086 * Makefile.in (OBJS): add toplev.o.
9087 (BACKEND): remove toplev.o, add main.o.
9089 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9091 * cppfiles.c (search_from): Special case the empty string.
9093 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9095 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
9096 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
9097 strlen or strcpy; we already know the length.
9098 (_cpp_compare_file_date): Similarly.
9099 * cpphash.h (struct cpp_reader): Delete done_initialising.
9100 (CPP_PREV_BUFFER): Delete.
9101 * cppinit.c (cpp_start_read): Don't set done_initialising.
9102 * cpplex.c (parse_string): Guarantee null-termination.
9103 (_cpp_equiv_toklists): Remove.
9104 * cpplib.c (glue_header_name): Null-terminate.
9105 (do_line): Don't leak memory.
9106 * cpplib.h (BT_WEAK): Delete.
9107 * cppmain.c (cb_ident): Strings are now null-terminated.
9109 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
9111 * gcc.c (convert_filename): Append executable suffix
9112 if NO_AUTO_EXE_SUFFIX is not defined.
9113 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
9114 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
9116 2001-03-03 David O'Brien <obrien@FreeBSD.org>
9118 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9119 * c-parse.gperf, c-gperf.h: Delete.
9120 (c-gperf.h was accidently re-added to the CVS repo in the rev
9121 1.16 commit by tromey)
9123 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9125 * cpplex.c (_cpp_lex_token): Don't warn about directives in
9126 macro arguments when looking for the '('.
9127 * cppmacro.c (funlike_invocation_p): Set parsing_args to
9128 2 when really parsing arguments; 1 when looking for '('.
9129 Always restore the lexer position.
9131 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9133 * longlong.h (umul_ppmm): Don't use a multiline string.
9135 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
9137 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
9138 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
9139 t_bool in declaration because pcc can't combine volatile with typedef
9142 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
9144 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
9145 until when it is really needed.
9146 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
9147 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
9148 * i386.md (float?i?f splitter): Don't force source operand to memory
9150 (sse_movdfcc): Fix constraint.
9151 (sse_movdfcc splitter): Handle properly the second alternative.
9153 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9155 * cpplex.c (parse_string): Unconditionally pedwarn.
9157 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9160 * cppexp.c (parse_number): Update.
9161 * cpplex.c (parse_string): Pedwarn if multiline string does not
9162 result from a system header's macro.
9163 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
9164 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
9165 for function-like macros too.
9166 * c-lex.c (lex_number): Update.
9168 2001-03-03 Richard Henderson <rth@redhat.com>
9170 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
9172 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
9174 * combine.c (try_combine): If split with mode-changed scratch
9175 register didn't work, try the original mode.
9177 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
9179 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
9180 * config/c4x/c4x.h: Likewise.
9181 * stor-layout.c (compute_record_mode): Likewise.
9182 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
9184 2001-03-02 Zack Weinberg <zackw@stanford.edu>
9186 * configure.in: Kill tm.h. Include the files in the $tm_file
9187 list in all three of config.h, hconfig.h, tconfig.h, after the
9188 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
9189 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
9190 * configure: Regenerate.
9191 * Makefile.in (clean): Don't delete tm.h.
9193 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
9194 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
9195 those are not defined, set SEC and FEC to 0 and 1.
9196 * gcc.texi: Update to match.
9198 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
9199 * config/fp-bit.c, config/m68k/aux-crt2.asm,
9200 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
9201 Include tconfig.h, not tm.h.
9203 * config/xm-lynx.h, config/xm-std32.h,
9204 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
9205 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
9206 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
9207 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9208 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9209 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9210 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
9211 config/i386/xm-i386.h, config/i860/xm-i860.h,
9212 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
9213 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
9214 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
9215 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
9216 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
9217 config/pa/xm-linux.h, config/pa/xm-pa.h,
9218 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
9219 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
9220 config/pj/xm-pj.h, config/romp/xm-romp.h,
9221 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9222 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9223 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9224 config/v850/xm-v850.h, config/vax/xm-vax.h,
9225 config/we32k/xm-we32k.h:
9227 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
9229 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
9230 config/i370/xm-oe.h: Don't include tm.h. Don't define
9232 * config/vax/xm-vms.h: Don't include tm.h.
9234 * config/xm-lynx.h, config/avr/xm-avr.h,
9235 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
9236 Delete; made empty by above changes.
9237 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
9238 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
9239 Don't include config/xm-lynx.h or tm.h.
9241 * config/xm-gnu.h: Don't include fcntl.h.
9242 * config/sparc/xm-lynx.h: Don't include sys/types.h and
9244 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
9246 2001-03-02 Richard Henderson <rth@redhat.com>
9248 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
9249 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
9251 2001-03-02 Richard Henderson <rth@redhat.com>
9253 * Makefile.in (OBJS): Add dwarf2asm.o.
9254 * dwarf2asm.c, dwarf2asm.h: New files.
9255 * dwarf2out.c (*): Use them.
9256 (size_of_uleb128, size_of_sleb128): Remove.
9257 (output_uleb128, output_sleb128): Remove.
9258 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
9259 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
9260 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
9261 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
9262 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
9263 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
9264 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
9265 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
9266 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
9267 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9268 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
9269 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
9270 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
9271 (dwarf2out_frame_debug): Remove unused variables.
9272 (output_loc_operands): Don't abort on 8 byte constants if
9273 host integers are wide enough.
9274 (output_symbolic_ref): Remove.
9275 (size_of_die): Don't assume 4 byte host integers.
9276 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
9278 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
9279 something stupid with HOST_WIDE_INT to long truncation.
9280 [CONST_DOUBLE]: Likewise.
9282 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
9283 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9284 * config/arm/unknown-elf.h: Likewise.
9285 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
9286 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
9287 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
9288 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
9289 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
9290 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
9291 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
9292 (ASM_OUTPUT_DWARF_OFFSET): Remove.
9293 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
9294 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
9295 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
9296 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
9298 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9300 * cselib.c (hash_rtx): Cast enums to unsigned int.
9302 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9304 * print-rtl.c (print_rtx): Cast enums to int for comparison.
9305 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
9307 * c-format.c (C_STD_VER): Cast to int for comparisons.
9308 (check_function_format): Cast various enums to int for &.
9309 (maybe_read_dollar_number): Likewise.
9310 (check_format_info): Likewise.
9311 (check_format_info_main): Likewise.
9312 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
9313 (safe_from_p): Likewise.
9314 * varasm.c (const_hash): Cast enum to int for %.
9315 * emit-rtl.c (init_emit_once): Use int loop variable to work around
9316 pcc enum problems with < and ++ operators.
9317 * regclass.c (init_reg_sets_1): Cast enums for comparison.
9318 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
9319 (regclass_init): Change enum class to int to iterate over reg_classes.
9320 * genrecog.c (merge_trees): Cast enums for comparison.
9321 * rtl.h (GET_CODE): Cast to enum rtx_code.
9322 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
9323 (GET_MODE): Cast to enum machine_mode.
9324 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
9325 (GET_NOTE_INSN_NAME): Cast enum to int.
9326 * tree.h (TREE_CODE): Cast to enum tree_code.
9327 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
9328 * timevar.c (timevar_print): Change loop variable id from enum to
9330 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
9331 * config/i386/i386.md: Use PUT_MODE for mode assignment.
9332 * toplev.c (compile_file): Cast enum DFI to int.
9333 (decode_d_option): Likewise.
9335 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
9337 * cppinit.c (append_include_chain): Mark "after" include file name list
9338 as a system directory.
9339 * cpp.texi: Document new behavior.
9341 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
9343 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
9345 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
9347 * cppfiles.c (struct include_file): Update.
9348 (stack_include_file): Use search_from.
9349 (cpp_included, find_include_file): Update.
9350 (cpp_execute_include): Update. ptr->name may not be
9351 null terminated. Use the new search_from member variable
9353 (_cpp_compare_file_date): Similarly.
9354 (search_from): New function, similiar to actual_directory.
9355 (actual_directory): Delete.
9356 (remap_filename): Update. loc->name may not be null terminated.
9357 (struct file_name_list): Rename search_path. Update.
9358 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
9359 search_from and dir.
9360 (struct cpp_reader): Remove actual_dirs.
9361 * cppinit.c (struct cpp_pending): Update for renamed objects.
9362 (append_include_chain, remove_dup_dir, remove_dup_dirs,
9363 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
9364 * cpplib.h (struct cpp_options): Similarly.
9366 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9368 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
9369 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
9370 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
9371 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9372 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9373 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9374 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
9375 config/i370/xm-linux.h, config/i370/xm-mvs.h,
9376 config/i370/xm-oe.h, config/i386/xm-aix.h,
9377 config/i386/xm-i386.h, config/i386/xm-osf.h,
9378 config/i860/xm-i860.h, config/i960/xm-i960.h,
9379 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
9380 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
9381 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
9382 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
9383 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
9384 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
9385 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
9386 config/pj/xm-pj.h, config/romp/xm-romp.h,
9387 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9388 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9389 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9390 config/v850/xm-v850.h, config/vax/xm-vax.h,
9391 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
9392 Do not define TRUE or FALSE.
9394 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
9395 empty by above change.
9396 * config.gcc: Remove references to these files.
9398 * configure.in: Detect stdbool.h.
9399 * configure, config.in: Regenerate.
9400 * system.h: Include stddef.h here if available.
9401 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
9402 Then set up a sensible boolean type at the very end.
9404 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
9405 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
9407 * hash.h: Delete 'boolean' typedef and related #undefs.
9409 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
9410 all uses of 'boolean' with 'bool'.
9412 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9414 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
9415 * cppexp.c (lex): Cast enums for comparison.
9416 * cppinit.c (parse_option): Cast enum for comparison.
9417 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
9418 (cpp_output_token): Likewise.
9419 (cpp_can_paste): Cast enums for comparsion and plus/minus.
9420 (cpp_avoid_paste): Cast enums for minus and comparison.
9422 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9424 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
9425 field to all array elements.
9427 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9429 * cpphash.h (struct cpp_reader): Add print_version field.
9430 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
9431 just set print_version and other flags as appropriate.
9432 (cpp_post_options): Print version here if print_version is set.
9434 * toplev.c (exit_after_options): New flag.
9435 (independent_decode_option): Don't exit here; just set
9437 (main): Exit after calling lang_hooks.post_options if
9438 exit_after_options is true.
9440 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
9441 (merge_include_chains): Adjust comment to match code.
9443 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9445 * stringpool.c (set_identifier): New function.
9446 * tree.h: Prototype it.
9448 * c-parse.in: Kill D_YES. If compiled for objc, call
9449 save_and_forget_protocol_qualifiers from init_reswords.
9450 * objc/objc-act.c (remember_protocol_qualifiers,
9451 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
9452 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
9454 (save_and_forget_protocol_qualifiers): New function.
9455 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
9457 2001-03-01 Diego Novillo <dnovillo@redhat.com>
9459 * c-semantics.c (prune_unused_decls): Return error_mark_node
9460 instead of (tree) 1 to stop traversing the tree chain.
9462 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9464 Fix a problem introduced by Kenner's Feb 18 change.
9465 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
9466 flag_cse_skip_blocks only temporarily, not for ever.
9468 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
9470 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
9471 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
9473 * pa.c (emit_move_sequence): Verify operand0 is a hard register
9474 before determining its register class.
9476 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9478 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
9479 from reg 4 if current_function_calls_setjmp.
9480 (gen_nop_type): New function.
9481 (ia64_emit_nops): New function.
9482 (ia64_reorg): Call it.
9483 (ia64_sched_reorder): Move code that rotates bundles up a bit.
9485 * reload1.c (eliminate_regs_in_insn): Restrict the special case
9486 code not to try to optimize adds with anything but a REG destination.
9488 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
9489 (INSN_PRIORITY_KNOWN): New accessor macro.
9490 * haifa-sched.c (priority): Use it instead of testing priority against
9493 2001-02-28 DJ Delorie <dj@redhat.com>
9495 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
9496 since that doesn't work the way gcc wants on a generic m68k.
9498 2001-02-28 Richard Henderson <rth@redhat.com>
9500 * caller-save.c (save_call_clobbered_regs): Fix typo in
9501 comparison last change.
9503 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
9505 * i386.c (pentium4_cost): New.
9506 (m_PENT4): New macro.
9507 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
9508 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
9509 x86_integer_DFmode_moves, x86_partial_reg_dependency,
9510 x86_memory_mismatch_stall): Add Pentium4
9511 (x86_use_q_reg, x86_use_any_reg): Kill.
9512 (override_options): Add pentium4.
9513 (incdec_operand): Return 0 for pentium4.
9514 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
9515 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
9516 (TARGET_PENTIUM4): Define.
9517 (enum processor_type): Add PROCESSOR_PENTIUM4.
9518 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
9519 * i386.md (attribute "cpu"): Add pentium4.
9520 * invoke.texi (march): Add pentium4.
9522 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
9524 * i386.md (sse_mov?fcc*): New patterns and splitters.
9525 * i386.c (ix86_expand_movcc): Work post-reload; recognize
9526 the SSE based conditional moves.
9528 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
9530 * i386.md (attribute mode): Add "TI".
9531 (movsf_1): Add pxor support; remove constant propagation splitter.
9532 (movdf_integer): Likewise.
9533 (movdf_nointeger): Likewise.
9534 (movxf constant prop splitter): Handle all modes; update for SSE.
9535 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
9536 * i386.c (standard_80387_constant_p): Rewrite.
9537 (standard_sse_constant_p): New.
9538 * i386-protos.h (standard_sse_constant_p): New.
9540 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
9542 * i386.md (sse_setccsf, sse_setccdf): New.
9543 (sse_cmp* patterns): Use '%D' instead of outputtting condition
9545 * i386.c (sse_comparison_operator): Accept the supported unordered
9546 comparses; be ready for fast_math.
9547 (print_operand): Support 'D'.
9549 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
9551 * jump.c (reversed_comparison_code): Kill.
9553 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
9555 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9558 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
9560 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9561 add missing '%' in constraints.
9563 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
9565 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9566 for HOST_BITS_PER_WIDE_INT == 32 too.
9568 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
9570 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
9572 (insert_save, insert_restore): New parameter save_mode.
9573 (init_caller_save): Update initialization of reg_save_code
9574 and reg_restore_code.
9575 (save_call_clobbered_regs): Compute save_modes and update calls to
9576 reg_save_code and reg_restore_code.
9577 (insert_restore): Unsignetize numbers; use save_modes to choose mode
9578 of spill; update use of reg_restore_code.
9579 (insert_save): Likewise.
9580 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9581 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9582 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9584 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9586 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9587 noce_try_store_flag_inc, noce_try_store_flag_mask,
9588 noce_try_cmove_arith):
9589 Use reversed_comparison_code instead of reverse_comparison and
9590 can_reverse_comparison_p.
9592 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
9594 * jump.c (reversed_comparison_code_parts): Allow reversal of
9595 unordered compares in -ffast-math mode; reverse ordered compares
9596 for FP even w/o -ffast-math.
9598 2001-02-27 Richard Henderson <rth@redhat.com>
9600 * print-rtl.c (print_rtx) [i]: Don't print field five on
9601 NOTEs other than NOTE_INSN_DELETED_LABEL.
9603 2001-02-27 Zack Weinberg <zackw@stanford.edu>
9605 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9606 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9608 2001-02-27 Diego Novillo <dnovillo@redhat.com>
9610 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9611 even if walk_subtrees is 0.
9612 * c-semantics.c (prune_unused_decls): Return a non-null value to
9613 stop traversing the tree chain.
9615 2001-02-27 DJ Delorie <dj@redhat.com>
9617 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9618 register, *then* define it as the new CFA.
9620 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
9622 * pa.c (override_options): Promote -fpic to -fPIC.
9623 (legitimize_pic_address): Simplify due to removal of
9624 small PIC as a code generation option.
9625 (secondary_reload_class): Similarly.
9626 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9627 (PRINT_OPERAND_ADDRESS): Similarly.
9628 * pa.md (various patterns): Similarly.
9629 (small pic lo_sum pattern): Remove.
9631 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
9634 * md.texi (min, max): Document
9636 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
9638 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9639 TARGET_PARTIAL_REG_DEPENDENCY.
9640 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9642 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
9644 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9646 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
9648 * mips.c (mips_make_temp_file): Fix thinko in last change.
9650 2001-02-26 Jason Eckhardt <jle@redhat.com>
9652 * combine.c (known_cond): Do not reverse the condition when
9653 SMAX/UMAX is being considered and the condition is for equality
9656 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9658 2001-02-26 Philip Blundell <philb@gnu.org>
9660 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9662 * config/arm/linux-elf.h: Remove historical relics related to
9663 above configurations.
9664 * config/arm/linux-oldld.h: Delete.
9665 * config/arm/linux-elf26.h: Delete.
9667 2001-02-26 Jason Merrill <jason@redhat.com>
9669 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9671 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9672 recognize a tentative definition. Lose obsolete code.
9674 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9675 variables unless necessary, either.
9677 2001-02-25 Richard Henderson <rth@redhat.com>
9679 * ifcvt.c (struct noce_if_info): Add test_bb.
9680 (noce_get_alt_condition): New.
9681 (noce_try_minmax, noce_try_abs): New.
9682 (noce_operand_ok): New.
9683 (noce_process_if_block): Use them.
9684 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9686 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9688 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9691 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9693 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9694 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9696 (mips_asm_file_end): Free temp_filename here.
9698 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9700 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9701 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9703 * config/i386/i386.md (movstrsi): Handle FAIL case.
9705 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9707 * cppinit.c (builtin_array): Update.
9708 (init_builtins): Flag builtins to warn if redefined or
9709 undefined. Define __GXX_WEAK as a normal macro.
9710 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9711 * cpplib.h (NODE_WARN): New flag.
9712 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9713 Handle __STDC__ as a builtin only on Solaris.
9714 (warn_of_redefinition): Renamed from check_macro_definition.
9715 Reverse sense of test. Always warn if NODE_WARN.
9716 (_cpp_create_definition): Use warn_of_redefinition. Flag
9717 any macro beginning with "__STDC_" to require a mandatory
9718 warning if redefined or undefined.
9720 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9722 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9723 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9724 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9725 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9726 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9727 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9728 Don't define any of:
9729 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9730 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9731 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9732 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9733 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9735 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9736 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9739 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9740 Delete now-empty file.
9742 * alpha/vms.h: Define NEED_ATEXIT here...
9743 * alpha/xm-vms.h: ...not here.
9745 * i386/cygwin.h: Don't define PARAMS.
9746 * mips/mips.c: Don't prototype mktemp. Don't define
9747 P_tmpdir. Use make_temp_file to create temporary files.
9748 Don't be clever and delete temporary files early.
9749 * config.gcc: Drop references to deleted files. Don't define
9751 * gcc.texi: Don't mention USE_PROTOTYPES.
9753 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9755 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9756 (ix86_set_move_mem_attrs_1): Likewise.
9757 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9758 * config/i386/i386.md (movstrsi): Call it.
9760 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9762 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9763 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9764 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9765 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9767 (i750a-*-*): Error here if hosting on i750a.
9768 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9770 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9771 Remove (empty modulo comments).
9773 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9774 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9775 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9776 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9777 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9778 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9780 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9781 Remove reference to winnt.h in comment.
9782 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9784 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9786 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9787 used to set another biv.
9789 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9791 * tree.h (BLOCK_DEAD): New macro.
9792 (struct tree_block): New flag, dead_flag.
9793 * print-tree.c (print_node, case 'b'): Print missing fields.
9794 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9795 * function.c (identify_blocks): Enable test for misplaced notes.
9796 (all_blocks): Skip BLOCK_DEAD blocks.
9797 * integrate.c (integrate_decl_tree): Likewise.
9799 * errors.c (internal_error, trim_filename): New functions.
9800 (fancy_abort): Call internal_error.
9801 * errors.h (internal_error, trim_filename): New declarations.
9803 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9805 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9807 (EXTRA_CONSTRAINT): Formatting changes.
9809 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9811 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9813 2001-02-23 Per Bothner <per@bothner.com>
9815 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9816 so they can be called from java/jvspec.c.
9817 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9819 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9821 * i386.c (ix86_frame): New structure.
9822 (ix86_compute_frame_size): Kill.
9823 (ix86_compute_frame_layout): New.
9824 (ix86_save_reg): New.
9825 (ix86_can_use_return_insn_p): Use frame layout stuff.
9826 (ix86_expand_prologue): Likewise.
9827 (ix86_expand_epilogue): Likewise.
9828 (ix86_initial_elimination_offset): Likewise.
9829 (ix86_nsaved_regs): Use ix86_save_reg.
9830 (ix86_emit_save_regs): Likewise.
9832 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9834 * flow.c (find_sub_basic_blocks): New function.
9835 (split_block): Be ready for basic block introduced by CODE_LABEL.
9836 (commit_one_edge_insertion): Call find_sub_basic_block.
9838 * flow.c (make_edges): Add edge from entry for blocks starting with
9839 label having ALTERNATE_NAME
9841 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9843 * function.c (epilogue_done): Be ready for first basic block not
9844 containing PROLOGUE_END note.
9845 (reposition_prologue_and_epilogue_notes): Avoid placing
9846 PROLOGUE_END note between BASIC_BLOCK.
9848 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9850 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9852 2001-02-21 DJ Delorie <dj@redhat.com>
9854 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9855 check for current_function_has_nonlocal_goto from 1999-11-12.
9857 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9859 * diagnostic.c (trim_filename): No longer static.
9860 * toplev.h (trim_filename): Declare.
9861 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9862 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9863 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9864 (rtvec_check_failed_bounds): Likewise.
9865 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9867 * convert.c (convert_to_integer): Don't do unsigned unless result or
9868 both inputs are unsigned.
9870 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9873 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9875 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9877 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9879 * Makefile.in (resource.o): Add params.h dependence.
9880 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9881 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9882 * resource.c: Add dependence on params.h.
9883 (current_live_regs): Fix explanatory comment.
9884 (find_basic_block): Add new parameter to permit limiting search
9886 (mark_target_live_regs): Add new argument to find_basic_block call.
9887 (incr_ticks_for_insn): Likewise.
9889 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9891 * diagnostic.c (output_to_stream): Rename to
9892 output_buffer_to_stream. Loses the stream parameter.
9893 (init_output_buffer): Set diagnosic_buffer's stream.
9894 (flush_diagnostic_buffer): Adjust.
9895 (default_print_error_function): Likewise.
9896 (finish_diagnostic): Likewise.
9897 (verbatim): Likewise.
9899 * diagnostic.h (struct output_buffer): Add `stream' field.
9900 (output_buffer_attached_stream): New macro.
9902 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9904 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9905 check if either operand is divisible by C.
9906 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9907 If type is signed, consider negative numbers as well.
9909 2001-02-22 Richard Henderson <rth@redhat.com>
9911 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9912 reach .text instead of gp-relative relocs.
9913 * config/ia64/crtend.asm (.init): Likewise.
9915 2001-02-22 Andreas Jaeger <aj@suse.de>
9917 * extend.texi (C++ Attributes): Fix typo.
9919 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9921 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9922 functions, drop current_function_args_info.words test.
9923 (ia64_compute_frame_size): Mark syscall_linkage functions as
9924 using eight input registers.
9926 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9927 Bruce Korb <bkorb@gnu.org>
9929 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9930 * fixinc/README: Document how to convert sed substitutions
9931 to format style c_fix-es.
9932 * fixinc/fixincl.x: regen
9934 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9936 * gcc.c: Add comment explaining how to add a command-line option.
9937 Add title to specs language comment.
9939 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9941 * gcc.c (cc1_options): Add "-param".
9942 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9943 (option_map): Likewise.
9944 * toplev.c (display_help): Add entry for "--param".
9945 (independent_decode_option): Fix typographical error.
9947 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9948 Bernd Schmidt <bernds@redhat.com>
9949 Jan Hubicka <jh@suse.cz>
9951 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9952 (function_arg): Likewise.
9954 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9956 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9958 2001-02-21 Kazu Hirata <kazu@hxi.com>
9960 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9964 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9966 * flow.c (init_propagate_block_info): Canon address and use single_set
9967 for killing dead memory stores.
9969 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9971 * Makefile.in (reorg.o): Add params.h dependence.
9972 * params.def: Fix typographical error in comment.
9973 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9974 * params.h: Modify introductory comment.
9975 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9976 * reorg.c: Add dependence on params.h.
9977 (redundant_insn): Add parameterized throttle for search.
9978 (fill_simple_delay_slots): Add a comment explaining a variable.
9979 Move conditional out of loop, simplifying code.
9980 (fill_eager_delay_slots): Fix typographical error in comment.
9982 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9984 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9986 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9987 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9989 2001-02-21 Jason Merrill <jason@redhat.com>
9991 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9992 (struct tree_decl): Add uninlinable bitfield.
9993 * c-decl.c (duplicate_decls): Set it.
9994 * integrate.c (function_cannot_inline_p): Check it.
9996 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9997 DW_AT_MIPS_linkage_name to abstract methods.
9998 (dwarf2out_abstract_function): Emit class context before calling
9999 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
10000 (gen_subprogram_die): Remove obsolete code.
10001 (gen_member_die): Don't include clones in the member list.
10002 (gen_decl_die): Emit abstract info for clone origin.
10003 * dwarfout.c (output_type): Don't include clones in the member list.
10004 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
10005 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
10006 DECL_ABSTRACT on a function that already has it set.
10008 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
10009 (get_subprogram_die): Pass it in.
10011 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
10013 * flow.c (mark_set_1): Make not_dead unsigned long. For
10014 non-pseudos, use it as a bitmask of the hard regs that
10017 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
10019 * cppfiles.c: Update comments.
10020 (_cpp_read_file): Don't check for NULL filenames any more.
10021 * cppinit.c (cpp_start_read): Don't do canonicalization of
10022 in_fname and out_fname. Use the passed file name exclusively.
10023 (_cpp_handle_options): Don't treat "-" as a command line option,
10024 but as a normal filename.
10025 (_cpp_post_options): Canonicalize in_fname and out_fname.
10026 * cppmain.c (printer_init): Don't check out_fname for NULL.
10027 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
10028 (init_c_lex): Update, and use "" to represent stdin to CPP.
10031 2001-02-20 Will Cohen <wcohen@redhat.com>
10033 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
10034 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
10035 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
10036 fixunstfsi_libfunc.
10038 2001-02-20 Stan Shebs <shebs@apple.com>
10040 * config/rs6000/rs6000.c (output_cbranch): Output branches
10041 on separate lines instead of using ';' to separate.
10043 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
10045 * cppinit.c (set_lang): Move builtin handling to...
10046 (init_builtins): ...here.
10047 (_cpp_create_reader): Move call to set_lang.
10049 2001-02-20 Mark Mitchell <mark@codesourcery.com>
10051 * stmt.c (expand_return): If an attempt is made to return the
10052 error_mar_node, treat the return like a return without a value.
10054 2001-02-19 Zack Weinberg <zackw@stanford.edu>
10056 * sibcall.c (skip_copy_to_return_value): Call
10057 identify_call_return_value here, and return orig_insn if it
10058 returns zero. Hardret and softret arguments now unnecessary.
10059 (call_ends_block_p): Don't call identify_call_return_value here.
10061 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
10062 's' slots in RTXen.
10063 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
10064 * ggc.h (ggc_mark_if_gcable): Delete prototype.
10066 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
10068 * pa.c (move_operand): Accept code to load the address of a
10069 symbol out of the DLT as a valid move operand.
10070 (print_operand, case 'A'): New to handle generating a DLT
10071 reference for a LO_SUM expression.
10072 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
10073 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
10075 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
10077 * README, cpp.texi, gcc.texi, version.c: Update version number to
10079 * cpp.1, gcov.1, gcc.1: Regenerate.
10081 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
10083 * cppfiles.c (stack_include_file): Generate dependencies
10084 here, and manage include_count here too.
10085 (PRINT_THIS_DEP): Delete.
10086 (_cpp_execute_include): Do not generate dependencies here,
10087 apart from the case of a missing header. Do not manage
10089 (_cpp_read_file): Leave dependency generation to
10090 stack_include_file.
10092 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
10094 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
10095 target_cpu_default. Remove dead assignment to
10096 target_cpu_default.
10098 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
10100 * regclass.c (contains_reg_of_mode): Make global.
10101 (init_reg_sets): Remove contains_reg_of_mode; take into account
10102 CLASS_MAX_NREGS when looking for the proper mode.
10103 (dump_regclass): Dump only classes considered for the pseudo.
10104 (regclass): Use contains_reg_of_mode.
10106 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
10108 * gcc.c (do_spec_1): 'n' for printing notices.
10109 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
10111 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
10113 * reg-stack.c (next_flags_user): Use current_block->end
10114 (swap_rtx_condition): Look for next user if flags don't die;
10115 give up on CALL_INSNs; use current_block->end.
10117 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10119 * sibcall.c (call_ends_block_p): New function.
10120 (optimize_sibling_and_tail_recursive_call): Use it.
10122 2001-02-18 Kazu Hirata <kazu@hxi.com>
10124 * config/h8300/h8300.md: Update copyright.
10125 (andsi3): Do not output an extra newline character.
10127 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10129 * toplev.c (note_deferral_of_defined_inlined_function): Argument
10130 FNDECL may be unused.
10132 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
10133 follow jumps after first run.
10134 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
10135 it doesn't change any jumps.
10137 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
10139 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
10140 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
10141 (mostlyclean): Corresponding changes.
10142 * rtlanal.c (hard-reg-set.h): Include.
10143 (rtx_unstable_p): Do not treat the argument pointer specially
10144 if it is not a fixed register.
10145 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
10147 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10149 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
10150 against last real insn in basic block.
10151 Rework to avoid gotos.
10153 * Makefile.in (gcse.o): Now includes ggc.h.
10154 * gcse.c: Include ggc.h.
10155 (want_to_gcse_p): Verify expression can be in SET as valid insn.
10156 (try_replace_reg): Remove warning of uninitialize variable.
10157 (process_insert_insn): Call invalid_insn_p to validate insn.
10158 * recog.c (insn_invalid_p): Now global.
10159 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
10160 * recog.h (insn_invalid_p): New declaration.
10162 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
10164 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
10165 assignments from FP constants since 'Y' output code can't handle it.
10166 (eligible_for_sibcall_delay): Likewise.
10168 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
10169 Call fancy_abort directly, passing args.
10170 (print_rtl_and_abort): Now a macro, like fancy_abort.
10172 * final.c (output_operand_lossage): Use internal_error, not error.
10174 2001-02-18 Shane Nay <shane@agendacomputing.com>
10176 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
10177 structure shift insns.
10179 2001-02-18 Mark Mitchell <mark@codesourcery.com>
10181 * invoke.texi (-fsquangle): Remove documentation.
10182 (-fname-mangling-version): Likewise.
10184 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
10186 * optabs.c (expand_abs): Remove reference to
10187 HAVE_contitional_arithmetic.
10188 * combine.c (simplify_set): Likewise.
10190 2001-02-18 Richard Henderson <rth@redhat.com>
10192 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
10193 would be disrupted.
10195 2001-02-18 Richard Henderson <rth@redhat.com>
10197 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
10199 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
10201 * reload1.c (reload_cse_simplify_set): Fix typo.
10203 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10205 * diagnostic.c (_fatal_insn): Decrement errorcount.
10207 * invoke.texi (-I): Add note avoiding use for system header files.
10209 * rtl.h (add_clobbers): Remove duplicate declaration.
10210 * recog.h (added_clobbers_hard_reg_p): New declaration.
10211 * genemit.c (struct clobber_pat): New field has_hard_reg.
10212 (gen_insn): Record if added clobbers clobber hard reg.
10213 (gen_split): Avoid unused warning if number of operands is 0.
10214 (output_added_clobbers_hard_reg_p): New function.
10217 2001-02-18 Alan Modra <alan@linuxcare.com.au>
10219 * pa.c (hppa_expand_prologue): Simplify code storing return
10220 pointer. For large (>=8k) frames with a post_store, adjust stack
10221 pointer by 8k-64 first rather than by 64. When testing with
10222 VAL_14_BITS_P, always use the actual value rather than the value
10223 negated. Add blockage to prevent scheduling of spills before
10224 stack frame has been created.
10225 (hppa_expand_epilogue): Simplify code loading return pointer.
10226 Allow a slightly larger range for merge_sp_adjust_with_load case.
10227 When testing with VAL_14_BITS_P, always use the actual value.
10229 * pa.c (pa_adjust_insn_length): Check that block move
10230 pattern is a set before looking at operands.
10232 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10234 * fold-const.c (fold_binary_op_with_conditional_arg): New
10235 function, split out from ...
10237 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
10238 conditional arms that throw exceptions.
10240 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
10241 looking at a BLOCK.
10243 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10245 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
10246 define HAVE_DECL_* to 1 to mask potential backup declarations.
10247 * configure: Regenerated.
10249 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10251 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
10253 2001-02-17 Richard Henderson <rth@redhat.com>
10255 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
10256 when replacing a memory load with a register.
10258 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10259 Jan Hubicka <jh@suse.cz>
10261 * recog.c (validate_replace_src_1): New.
10262 (validate_replace_src_data): Likewise.
10263 (validate_replace_src): Use note_uses.
10264 * rtl.h (note_uses): Declare.
10265 * rtlanal.c (note_uses): New.
10267 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
10269 * reg-stack.c (stack_def): Make field reg unsigned.
10270 (remove_regno_note): Unsignetize parameter.
10272 2001-02-16 Jes Sorensen <jes@linuxcare.com>
10274 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
10275 shladd_operand() call.
10277 2001-02-16 Bruce Korb <bkorb@gnu.org>
10278 Rodney Brown <RodneyBrown@mynd.com>
10280 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
10281 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
10282 machine restrictions
10283 * fixinc/fixincl.x: regen
10285 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10287 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
10289 (hash_scan_insn): Clean up calls to hash_scan_set.
10290 (compute_kill_rd): REGNO now unsigned.
10291 (try_replace_reg): Rework to use simplify_replace_rtx.
10292 (cprop_jump, cprop_cc0_jump): Likewise.
10293 (cprop_insn): Call find_reg_equal_equiv_note.
10294 Reflect changes to cprop_jump and cprop_cc0_jump.
10296 * recog.c (validate_replace_src): Replace in operands of
10297 ZERO_EXTRACT in SET_DEST.
10299 * cse.c (new_label_ref): New variable.
10300 (insert): Set it instead of recorded_label_ref.
10301 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
10302 CODE_LABEL for this function, and not already in REG_LABEL note.
10304 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
10306 * resource.c (mark_referenced_resources): Fix typo in introductory
10308 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
10311 2001-02-16 Jason Merrill <jason@redhat.com>
10313 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
10315 (gen_subprogram_die): Don't abort on seeing a second definition if
10316 the previous one was abstract. Don't replace an abstract instance
10317 in the lookup table.
10319 * dwarf2out.c (dwarf2out_abstract_function): Rename from
10320 gen_abstract_function.
10321 * dwarf2out.h: Declare it.
10322 * toplev.c (note_outlining_of_inline_function): New fn.
10323 * toplev.h: Declare it.
10324 * integrate.c (output_inline_function): Call it.
10325 * c-decl.c (duplicate_decls): Call it when redefining an extern
10326 inline. Don't inline the new defn.
10328 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
10330 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10332 * .gdbinit: Rename to gdbinit.in.
10333 * gdbinit.in: New file,
10334 * configure.in: Generate .gdbinit from gdbinit.in.
10335 * configure: Regenerated.
10336 * Makefile.in (distclean): Always remove .gdbinit.
10338 2001-02-16 Jakub Jelinek <jakub@redhat.com>
10340 * objc/objc-act.c (start_class): Register implemented_classes with
10343 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
10345 * cppfiles.c (_cpp_make_system_header): Generate a file
10348 2001-02-15 Jim Meyering <meyering@lucent.com>
10350 * Makefile.in (install-common): Don't depend on installdirs here.
10351 Instead, make each of the lang.install-common targets (e.g.,
10352 c++.install-common in cp/Make-lang.in) depend on it.
10353 (install-driver): Depend on installdirs.
10355 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10357 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
10359 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
10362 2001-02-15 Mark Mitchell <mark@codesourcery.com>
10364 * invoke.texi (--param): Document.
10366 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
10368 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
10370 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
10372 * i386.md (extendsfdf2_2): Fix constraints.
10374 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
10376 * i386.md (fop_df_3 splitter): Fix operand number.
10378 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
10380 * invoke.texi (-mreg-alloc): Nuke.
10381 * i386.c (ix86_reg_alloc_order, regs_allocated,
10382 order_regs_for_local_alloc): Nuke.
10383 (override_options): Kill reg_alloc code.
10384 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
10385 (REG_ALLOC_ORDER): SSE goes before I387.
10386 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
10387 (ix86_reg_alloc_order): Likewise.
10388 * i386-protos.h (ix86_reg_alloc_order): Kill.
10390 2001-02-14 Richard Henderson <rth@redhat.com>
10392 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
10394 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
10396 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
10398 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
10400 * i386-protos.h (ix86_memory_move_cost): Move offline.
10401 * i386.c (ix86_register_move_cost): Compute properly cost of
10402 SSE, MMX and i387 instructions.
10403 (*_cost): Add costs of SSE/MMX moves.
10404 (ix86_memory_move_cost): Move offline from ....; Likewise.
10405 * i386.h (MEMORY_MOVE_COST): .... here;
10406 (struct processor costs): Add new fields to represent costs
10409 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
10411 * regclass.c (init_reg_sets_1): Reinstall the optimization of
10412 move_cost together with Matt Kraai's fix.
10414 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10416 * Makefile.in (OBJS): Add params.o.
10418 2001-02-14 Richard Henderson <rth@redhat.com>
10419 DJ Delorie <dj@redhat.com>
10421 * jump.c (jump_optimize_1): When we delete a conditional jump
10422 preceeding a non-conditional jump to effectively the same place,
10423 make sure that the combined jump skips any clobber insns between
10426 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10428 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
10430 2001-02-14 Mark Mitchell <mark@codesourcery.com>
10432 * Makefile.in (toplev.o): Depend on params.h.
10433 (intergate.o): Likewise.
10434 (params.o): New target.
10435 * flags.h (inline_max_insns): Remove.
10436 * integrate.c: Include params.h.
10437 Use MAX_INLINE_INSNS instead of inline_max_insns.
10438 * params.c: New file.
10439 * params.h: Likewise.
10440 * params.def: Likewise.
10441 * toplev.c: Include params.h.
10442 (lang_independent_params): New variable.
10443 (decode_f_option): Use the param machinery instead of setting
10445 (independent_decode_option): Handle "--param name=value".
10446 (main): Register language-independent parameters.
10448 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
10450 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
10452 2001-02-14 Richard Henderson <rth@redhat.com>
10454 * regclass.c (init_reg_sets_1): Revert last two changes.
10456 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10458 * stor-layout.c (is_pending_size, put_pending_size): New functions.
10459 (variable_size): Call put_pending_size.
10460 * tree.h (is_pending_size, put_pending_size): Add prototypes.
10461 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
10462 sizes list, put newly created SAVE_EXPR there as well.
10464 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10466 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
10467 (errata_find_address_regs): load_group has only 2 entries.
10468 (errata_emit_nops): Likewise. shladd is not problematic.
10469 Clear last_group if nop was emitted.
10470 (fixup_errata): load_group has only 2 entries.
10473 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
10475 * c-lex.c (lex_number): Only warn traditionally for U suffix
10476 outside system macros.
10477 * cppexp.c (parse_number): Similarly.
10478 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
10479 * cppmacro.c (struct cpp_macro): New member node.
10480 (parse_args): Only warn about missing rest args if not
10482 (funlike_invocation_p): Similarly for uninvoked funlike macros.
10483 (cpp_sys_objmacro_p): New.
10484 (_cpp_create_definition): Store the node with the macro defn.
10485 Remember if the macro is defined in a system header.
10487 2001-02-13 DJ Delorie <dj@redhat.com>
10489 * configure.in (check_languages): determine languages to check
10490 * Makefile.in (check-c++): alias for check-g++
10491 (check-f77): alias for check-g77
10492 (CHECK_TARGETS): depend on configured languages
10494 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
10496 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10497 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10498 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10499 (sqrtextendsfdf2): Disable for SSE2.
10501 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
10503 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10504 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10505 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10506 (sqrtextendsfdf2): Disable for SSE2.
10508 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
10510 * i386.md (movsfcc_1): Support integer cmove instruction.
10511 (movdfcc_1): Likewise; new splitter.
10513 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
10515 * i386.c (output_fp_compare): Support SSE.
10516 (prepare_fp_compare_args): SSE comparisons always support memory.
10517 * i386.h (TARGET_CMOVE): SSE imply cmove.
10518 * i386.md (cmp?f2): Enable for SSE too.
10519 (cmpfp_i*): Support SSE.
10520 (cmpfp_i_sse): New.
10521 (cmpfp_i_sse_only): New.
10522 (s*, b* fp expanters): Enable for SSE too.
10523 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
10526 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
10528 * regclass.c (init_reg_sets_1): Silence warning.
10530 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
10532 * i386.md (sqrt?f2): Change to expander.
10533 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
10535 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10537 * rtlanal.c (find_reg_equal_equiv_note): New function.
10538 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
10539 (simplify_gen_relational, simplify_replace_rtx): Likewise.
10540 * rtl.h: Add declarations for above functions.
10542 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
10544 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
10546 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
10547 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
10548 * flow.c (mark_regs_live_at_end): Likewise.
10549 (calculate_global_regs_live): Likewise.
10550 * gcse.c (compute_hash_table): Likewise.
10551 (compute_kill_rd): Likewise.
10552 * resource.c (mark_target_live_regs): Likewise.
10553 * rtl.h (INVALID_REGNUM): New macro.
10555 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
10557 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10559 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
10561 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10564 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
10566 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10568 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10569 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10570 (fop_sf_1_sse, fop_df_1_sse): New patterns
10571 (fop_*): Disable float_extend and float patterns for SSE compilation.
10572 * i386.c (output_387_binary_op): Support SSE.
10574 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
10576 * i386.md (dummy_extendsfdf2): Support SSE2
10577 (extendsfdf2): Enable if 80387 or SSE2.
10578 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10579 and no MIX_I387_SSE2
10580 (extendsfdf2_1_sse_only): New pattern.
10581 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10583 (truncdfsf2_1): Support SSE.
10584 (truncdfsf2_2): Support SSE.
10585 (truncdfsf2_2_1_sse): New pattern.
10586 (fixtruncsfsi2): Always use SSE if available.
10587 (fix_truncsfsi_sse): New pattern.
10588 (fix_truncdfsi_sse): New pattern.
10589 (floatsis?f2): Support SSE.
10590 (floatsidf2_i387): New pattern.
10591 (floatsidf2_sse): Likewise.
10593 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10595 * configure.in: Use "have_gnat" variable, not "gnat".
10596 * configure: Regenerated.
10598 * config/sparc/sparc.c (function_value): Treat all non-record
10599 aggregate types like used to treat UNION_TYPE.
10601 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
10603 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10604 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10606 (MASK_MIX_SSE_I387): New.
10607 (TARGET_SSE): SSE2 imply SSE.
10608 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10609 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10610 (enum reg_class): Add new classes.
10611 (REG_CLASS_NAMES): Likewise.
10612 (REG_CLASS_CONTENTS): Likewise.
10613 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10614 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10615 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10616 (CLASS_MAX_NREGS): Use new macros.
10617 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10618 * i386.md (pushsf, movsf): Support SSE.
10619 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10620 splitters to use ANY_FP_REGNO_P.
10621 (movdf_nointeger, movdf_integer): Likewise.
10623 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10625 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10626 (try_combine): Use it.
10628 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
10630 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10631 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10632 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10633 (REGISTER_MOVE_COST): Likewise.
10634 * i386-protos.h (ix86_secondary_memory_needed,
10635 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10636 * i386.c (ix86_secondary_memory_needed,
10637 ix86_preferred_reload_class, ix86_register_move_cost): New function.
10639 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
10641 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10642 (HARD_REGNO_MODE_OK): Move offline to ....
10643 * i386.c (ix86_hard_regno_mode_ok) ... here;
10644 refuse all incorrect modes.
10645 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10647 2001-02-13 Richard Henderson <rth@redhat.com>
10649 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10650 entire operator; replicate that and match_dup the operands.
10651 (cmp_ccx_arith_op_set): Likewise.
10652 (cmp_cc_arith_op_not_set): Likewise.
10653 (cmp_ccx_arith_op_not_set): Likewise.
10655 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10657 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10659 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10661 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10662 (TARGET_NO_BITFIELD_WORD): New macro.
10663 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10664 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10666 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10668 * cselib.c: New file, from simplify-rtx.c.
10669 * simplify-rtx.c: Remove cselib parts.
10670 * Makefile.in: Add cselib.o.
10672 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10674 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10675 (setup_incoming_varargs): Remove warning.
10677 * config/rs6000/rs6000.c (validate_condition_mode): When
10678 flag_fast_math, allow floating-point conditionals to be reversed.
10679 (rs6000_generate_compare): When flag_fast_math, don't generate
10680 cror operations for FP conditionals.
10682 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10684 (ASM_SPEC): Likewise.
10685 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10686 (CC1_SPEC): Likewise.
10687 (LINK_TARGET_SPEC): Likewise.
10688 (CPP_ENDIAN_SPEC): Likewise.
10689 * Makefile.in (check-consistency): New target.
10691 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10693 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10694 "return type defaults" warning for functions with return type
10696 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10697 function declarations by default rather than only when pedantic.
10699 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10701 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10704 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10706 * extend.texi (Deprecated): Deprecate new initializer lists.
10708 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10710 * mkdeps.c (deps_add_default_target): Robustify. Add
10711 basename component only.
10712 * cpp.texi (-M): Describe how default target is generated.
10713 * invoke.texi (-M): Likewise.
10715 2001-02-12 Kazu Hirata <kazu@hxi.com>
10717 * toplev.c (push_float_handler): Remove.
10718 (pop_float_handler): Remove.
10719 * toplev.h: Remove prototypes for the above functions.
10721 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10723 * c-common.c (constant_fits_type_p): New function.
10724 (convert_and_check): Use it.
10726 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10728 * Makefile.in (GXX_ABI_FLAG): Don't define.
10729 * configure.in (--enable-new-gxx-abi): Remove option.
10730 * config.in: Regenerated.
10731 * configure: Likewise.
10733 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10735 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10737 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10738 regular basic block, and arrange for all edges into it to switch
10741 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10743 * Makefile.in (distclean): Do not remove .gdbinit.
10745 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10747 * Makefile.in (gcc.o): Fix typos.
10748 (protize.o): Likewise.
10749 (unprotoize.o): Likewise.
10751 2001-02-11 Richard Henderson <rth@redhat.com>
10753 * tree.c (build1): Check for null operand in last change.
10755 2001-02-11 Richard Henderson <rth@redhat.com>
10757 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10758 (fold): Don't assume a constant isn't foldable.
10759 * tree.c (build): Set TREE_CONSTANT for an expression with no
10760 side-effects and constant operands.
10761 (build1): Likewise.
10763 2001-02-10 Richard Henderson <rth@redhat.com>
10765 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10767 2001-02-10 Anthony Green <green@redhat.com>
10769 * cpp.texi (Standard Predefined): Add documentation for
10772 * c-common.c (combine_strings): Improve warning message.
10774 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10776 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10778 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10780 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10782 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10785 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10787 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10790 2001-02-09 Nick Clifton <nickc@redhat.com>
10792 * config/arm/arm.md: Change output contraint on post inc
10793 load/store multiple patterns to be a read/write contraint.
10795 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10797 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10798 .o files when using the -M options.
10800 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10801 David Edelsohn <edelsohn@gnu.org>
10803 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10804 handle DImode constants. Use one TOC entry for SImode and smaller
10805 constants, aligned properly.
10807 2001-02-08 Jason Merrill <jason@redhat.com>
10809 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10810 about the SP adjustment for saving the static chain pointer.
10811 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10812 offset when setting a temporary CFA register.
10814 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10816 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10817 powerpc-*-chorusos* .
10818 * config/rs6000/chorus.h : New file.
10819 * config/i386/chorus.h : New file.
10820 * config/sparc/chorus.h : New file.
10821 * config/sparc/t-chorus-elf : New file.
10823 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10825 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10826 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10827 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10828 (__WCHAR_TYPE__): Correct macro name.
10830 2001-02-08 Richard Henderson <rth@redhat.com>
10832 * config/i386/i386.c (ix86_frame_pointer_required): New.
10833 (ix86_setup_frame_addresses): New.
10834 (struct machine_funciton): Add accesses_prev_frame.
10835 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10836 ix86_frame_pointer_required.
10837 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10838 (SETUP_FRAME_ADDRESSES): New.
10839 * config/i386/i386-protos.h: Update.
10840 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10841 from FRAME_POINTER_REQUIRED.
10842 * config/i386/svr3gas.h: Likewise.
10843 * config/i386/sysv3.h: Likewise.
10844 * config/i386/v3gas.h: Likewise.
10846 2001-02-08 Richard Henderson <rth@redhat.com>
10848 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10849 calculation of the number of integer registers required.
10850 (function_arg_record_value): Likewise.
10852 2001-02-08 Jason Merrill <jason@redhat.com>
10854 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10855 two. Print file and line with "confused" message.
10857 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10859 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10861 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10863 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10865 * final.c (cleanup_subreg_operands): The address of a MEM can
10868 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10871 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10873 * gcc.texi (Incompatibilities): Update documentation of
10874 preprocessing numbers.
10876 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10878 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10880 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10882 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10884 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10885 * gcc.c (struct compiler): Add cpp_spec field.
10886 (input_file_compiler): New variable.
10887 (do_spec_1): Allow a particular compiler to handle `%C'
10889 (main): Store the current compiler in input_file_compiler.
10890 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10892 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10894 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10895 * cppinit.c (cpp_create_reader): Initialize them.
10896 (append_include_chain): cxx_aware arg might be unused.
10897 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10898 keywords and give them their phase 7 meaning. Pedwarn about
10899 this unless '__bool_true_false_are_defined' is defined.
10901 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10903 * lcm.c (optimize_mode_switching): Emit mode_set before the
10904 JUMP_INSN of an abnormal edge.
10906 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10908 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10909 a scheduling barrier at the end.
10911 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10913 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10915 * config/sh/sh.md (reload_outsf): Removed.
10916 (movsf_ie): Introduce constraints for FPUL loads and stores.
10917 (reload_insf): Broaden the output constraint.
10919 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10921 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10922 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10924 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10926 * final.c: Revert my previous changes.
10927 * output.h: Make profile_label_no extern.
10928 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10929 for generating label.
10931 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10933 * config/i386/djgpp.h: Add comments about standard paths.
10934 (MD_EXEC_PREFIX): Undefine before defining.
10935 (MD_STARTFILE_PREFIX): New.
10937 2001-01-30 Bruce Korb <bkorb@gnu.org>
10939 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10940 (load_file): do not rely on load_file_data() to close file pointer
10941 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10942 fixinc/inclhack.def(irix_limits_const): add test_text
10944 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10946 * cppexp.c (parse_defined): Improve diagnostics for invalid
10949 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10951 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10953 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10955 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10956 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10957 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10958 (rs6000_output_symbol_ref): New function.
10959 (output_toc): Use VTABLE_NAME_P.
10961 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10963 * print-tree.c (print_node, case PARM_DECL):
10964 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10966 * stor-layout.c (reference_types_internal): New variable.
10967 (internal_reference_types): New function.
10968 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10969 * tree.h (internal_reference_types): New declaration.
10971 * cse.c (find_best_addr): Fix typo in computing cost.
10973 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10975 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10976 and this is the sum of a pointer and a constant, we know the result
10978 (num_sign_bit_copies, case PLUS): Likewise.
10979 * explow.c (convert_memory_address): Remove opposite SUBREG.
10980 * function.c (instantiate_new_reg): New function (from common code).
10981 (instantiate_virtual_regs_1): Call it.
10982 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10983 if pointers sign- or zero-extend.
10984 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10985 If pointers extend unsigned, use inside of SUBREG.
10986 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10988 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10990 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10991 subdir of gcc_gxx_include_dir.
10992 (gcc_gxx_target_include_dir): Remove.
10994 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10996 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10997 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10998 a high-level description.
11000 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
11002 * final.c: Move the declaration of profile_label_no to ...
11003 * output.h: ... here.
11004 * function.c (expand_function_start): Call PROFILE_HOOK.
11005 * config/rs6000/aix.h: Define PROFILE_HOOK.
11006 * config/rs6000/rs6000-protos.h: output_profile_hook new.
11007 * config/rs6000/rs6000.c (output_profile_hook): Define.
11008 (output_prolog): Do nothing for ABI_AIX as it is taken care by
11009 output_profile_hook.
11010 tm.texi : Explain new macro PROFILE_HOOK.
11012 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
11014 * extend.texi (Extended Asm): Do not say that semicolon is always
11015 a valid line-breaking character for GNU assemblers. Use
11016 newline-tab as the most commonly supported syntax. Use
11017 newline-tab rather than semicolon in multi-insn examples.
11019 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11021 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
11023 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11024 David Edelsohn <edelsohn@gnu.org>
11026 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
11027 code for AIX, even without flag_pic.
11029 2001-02-05 Jakub Jelinek <jakub@redhat.com>
11031 * c-typeck.c (common_type): push and pop binding level around
11032 calling common_type on function parameters.
11034 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
11036 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
11038 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11040 * config/mips/mips.c (override_options): Fix typo in last change.
11041 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
11042 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
11044 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
11046 * invoke.texi (-fdump-class-layout): Document.
11047 (-fdump-translation-unit): Use `=' as filename separator.
11049 2001-02-05 Mark Mitchell <mark@codesourcery.com>
11051 * Makefile.in (s-mlib): Don't build multilibs if
11052 --disable-multilib.
11053 (DRIVER_DEFINES): Adjust accordingly.
11055 (protoize.o): Likewise.
11056 (unprotoize.o): Likewise.
11057 * configure.in: Recognize --enable-multilib.
11059 2001-02-04 Mark Mitchell <mark@codesourcery.com>
11061 * Makefile.in (DRIVER_DEFINES): Fix quoting.
11063 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
11064 * configure.in: Remove --enable-libstdcxx_v3 support.
11065 * configure: Regenerated.
11067 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11069 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
11070 Call abort instead of fatal.
11071 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
11072 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
11073 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
11074 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
11075 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
11076 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
11078 * diagnostic.h (set_internal_error_function): Renamed.
11079 * toplev.h (internal_error): Renamed from fatal.
11080 (pfatal_with_name): Deleted.
11081 (fatal_io_error): Now has printf-style arguments.
11082 * diagnostic.c (pfatal_with_name): Deleted.
11083 (fatal_io_error): Rework to have args in printf-style.
11084 (set_internal_error_function): Renamed from set_fatal_function.
11085 (internal_error): Renamed from fatal.
11086 (error_recursion, fancy_abort): Call internal_error instead of fatal.
11087 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
11088 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
11089 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
11090 * flow.c (verify_flow_info): Likewise.
11091 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
11092 * config/mips/mips.c (save_restore_insns): Likewise.
11094 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
11095 * flow.c (verify_flow_info): Likewise.
11096 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
11097 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
11098 (avr_normalize_condition): Likewise.
11099 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
11100 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
11101 (limit_reload_class, double_reg_to_memory): Likewise.
11102 (print_operand_address, emit_1600_code_shift): Likewise.
11103 (gen_tst_reg, gen_compare_reg): Likewise.
11104 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
11105 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
11107 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
11109 * c-parse.in (methoddef): Call fatal_error instead of fatal.
11110 * objc/objc-act.c (build_ivar_chain): Likewise.
11111 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
11113 * graph.c (clean_graph_dump_file): Likewise.
11114 * profile.c (init_branch_prob): Likewise.
11115 * objc/objc-act.c (objc_init): Likewise.
11117 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
11118 * config/avr/avr.c (avr_override_options): Likewise.
11119 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
11120 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
11121 * config/h8300/h8300.c (h8300_init_once): Likewise.
11122 * config/mips/mips.c (override_options): Likewise.
11123 * config/i386/i386.c (override_options): Likewise, rework.
11124 * config/m68k/m68k.c (override_options): Likewise.
11126 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
11128 * config/mips/mips.c (print_operand): Likewise.
11129 * hash.c (hash_allocate): Don't check for failure returns from
11130 obstack functions that can't fail.
11131 (hash_table_init_n, hash_table_init): Likewise; also now return void.
11132 * hash.h (hash_table_init_n, hash_table_init): Now return void.
11133 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
11134 (get_object_reference): Likewise.
11136 2001-02-04 Nick Clifton <nickc@redhat.com>
11138 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
11139 StrongARM1110, 10TDMI, and 1020T.
11141 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11143 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
11145 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
11147 * config/sh/sh.md (movdf load split): Pass register number to
11148 FP_OR_XD_REGISTER_P.
11150 2001-02-04 Mark Mitchell <mark@codesourcery.com>
11152 * cppinit.c (BC): New macro.
11153 (builtin_array): Add __GXX_WEAK__.
11154 * cpplib.h (builtin_type): Add BT_WEAK.
11155 * cppmacro.c (builtin_macro): Handle BT_WEAK.
11156 * defaults.h (SUPPORTS_ONE_ONLY): Define.
11157 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
11159 2001-02-03 Jakub Jelinek <jakub@redhat.com>
11161 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
11163 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11165 * cpphash.h: Rename _ALIGN POOL_ALIGN.
11166 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11168 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11170 * cpphash.h: Rename ALIGN _ALIGN.
11171 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11173 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
11175 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
11176 compilation environment.
11177 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
11178 control over location of cygwin includes and libs.
11180 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11182 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
11184 2001-02-02 lars brinkhoff <lars@nocrew.org>
11186 * md.texi (Standard Names): remove reference to spur.md.
11188 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11190 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
11191 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
11192 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
11193 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
11194 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11196 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11198 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
11199 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
11200 number before reload.
11201 (c4x_adjust_cost): Return zero before reload.
11202 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
11203 split before reload.
11205 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11207 * c4x.c (c4x_hard_regno_rename_ok): New.
11208 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
11209 * c4x.h (HARD_REGNO_RENAME_OK): Define.
11211 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11213 * diagnostic.h: Add missing "extern" in all declarations.
11215 2001-02-02 Alex Samuel <samuel@codesourcery.com>
11217 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
11218 as for gcc_gxx_include_dir.
11220 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
11222 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
11224 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11226 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
11227 label before alignment to be used as the braf base address.
11228 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
11230 (casesi_jump_2): Require at least TARGET_SH2.
11232 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
11233 truncation to 32-bit doubles on -m3e and -m4-single-only.
11235 2001-02-02 Mark Mitchell <mark@codesourcery.com>
11237 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
11238 the default when building a shared object.
11239 (init_spec): Use it.
11240 * testsuite/lib/g++.exp: Include the directory where libgcc
11241 is located to the LD_LIBRARY_PATH list.
11242 * invoke.texi (-shared-libgcc): Document the cases in which
11243 GCC defaults to using the shared libgcc.
11245 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11247 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
11248 unsigned is wide enough.
11249 (BITS_PER_SI): New.
11250 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
11251 (si_to_float): Likewise.
11252 (float_to_si, float_to_usi): Use BITS_PER_SI.
11254 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11256 * dwarf2out.c: Added explanation of abbreviations.
11257 (def_cfa_1): Added comments listing DWARF2 instructions.
11258 (cfa_temp_reg): Removed in favor of cfa_temp.
11259 (cfa_temp_value): Removed in favor of cfa_temp.
11260 (cfa_temp): New global variable.
11261 (dwarf2out_frame_debug_expr): Added extensive introductory
11262 comments explaining the function's transformations. Revised to
11263 use cfa_temp. Added some rtx checking. Generalize IOR case.
11264 (dwarf2out_frame_debug): Revised to use cfa_temp.
11265 (output_aranges): Cast as "unsigned" to avoid warning.
11266 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
11267 explain which instructions must be marked.
11269 2001-02-01 Richard Henderson <rth@redhat.com>
11271 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
11274 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
11276 * config/sh/crt1.asm (main_k): Modified so that start calls
11277 ___setup_argv_and_call_main.
11279 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
11281 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
11282 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
11283 and AVOID_LPASTE is cleared on meeting an unescaped newline.
11284 * cppmacro.c (builtin_macro): Set builtin flags here.
11285 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
11286 (replace_args): Clarify intent.
11287 (cpp_get_token): Macro expansion tokens get the saved flags.
11289 * cppmain.c (scan_buffer): Remove now-redundant print.printed
11292 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11294 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
11297 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11299 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
11300 returns Pmode pseudo, but we need ptr_mode.
11301 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
11302 Remove bogus conversions; use HOST_WIDE_INT for size.
11303 Don't use TARGET if wrong mode.
11305 * config/i386/i386.c (ix86_compute_frame_size): Allow
11306 stack_alignment_needed to be non-default even if size is zero.
11308 2001-01-31 Alan Modra <alan@linuxcare.com.au>
11310 * pa.c (hppa_init_pic_save): New function.
11311 * pa.h (hppa_init_pic_save): Declare.
11312 * pa.md (call, call_value, sibcall, sibcall_value): Use
11313 the above instead of duplicated code.
11315 * pa.c (hppa_encode_label): Correct size of alloca buffer
11316 so we don't overrun it. Correct leading `*' case.
11317 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
11318 need to handle `*@'.
11319 (FUNCTION_NAME_P): Likewise.
11321 2001-01-31 Richard Henderson <rth@redhat.com>
11323 * config.gcc (alpha-osf5): Use float-i128.h.
11325 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
11326 * config/float-i32.h: Likewise.
11327 * config/float-i64.h: Likewise.
11328 * config/float-sh.h: Likewise.
11329 * config/float-sparc.h: Likewise.
11331 2001-01-31 DJ Delorie <dj@redhat.com>
11333 * expmed.c (extract_bit_field): allow non-integral modes if we
11334 want to extract a whole register from itself.
11336 2001-01-31 Jakub Jelinek <jakub@redhat.com>
11338 * c-typeck.c (set_init_index): If first is equal to last, assume as
11339 if it was not a range at all.
11341 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11343 * config/fp-bit.c: Include tm.h.
11344 (float_to_si): Don't assume SImode is 32-bits wide.
11345 (float_to_usi): Likewise.
11347 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
11349 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
11351 (typename): Call pending_xref_error after parsing typed_typespecs.
11352 * c-decl.c (lookup_tag): Give error immediately rather than
11353 leaving it pending if the tag of the wrong type is in the same
11355 (xref_tag): Don't pedwarn for forward declarations of enum types
11357 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
11360 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11362 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
11364 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11366 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
11367 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
11369 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11371 * cpphash.h (struct cpp_reader): New saved_flags.
11372 * cppmacro.c (cpp_get_token): Use saved_flags to remember
11373 to avoid a paste after a pasted token.
11375 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11377 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
11378 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
11379 Wtype_MIN instead of LONG_MIN.
11381 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11383 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
11385 * fixinc/fixincl.x: Regenerated.
11386 * fixinc/inclhack.def (irix_limits_const): New definition to
11387 convert "const" to "__const" in limits.h.
11389 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11391 * fixinc/genfixes (AG): Fix "autogen4" thinko.
11393 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11395 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
11396 when register dies in the insn.
11398 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11400 * diagnostic.c (fatal): Fix word wrap.
11402 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
11404 * combine.c (try_combine): Fix SUBREG setting for
11405 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
11407 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11409 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
11412 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11414 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
11416 * toplev.c (decode_W_option): Update warn_larger_than
11417 unconditionally for each processed switch.
11419 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
11421 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
11423 (hppa_expand_prologue): Delete code to save pic offset table register
11424 in the function prologue.
11425 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
11426 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
11427 table register at the beginning of the function after the prologue.
11429 2001-01-29 lars brinkhoff <lars@nocrew.org>
11431 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
11433 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
11434 Jeff Law <law@redhat.com>
11436 * pa.md (return): Revise comment for trivial return.
11437 (return_internal): Non-trivial return pattern for non-PIC code.
11438 (return_internal_pic): Non-trivial return pattern for PIC code.
11439 It uses the PIC register to ensure it is restored after
11441 (epilogue): Generate appropriate return for PIC and non-PIC code.
11443 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
11445 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
11447 2001-01-29 DJ Delorie <dj@redhat.com>
11449 * combine.c (if_then_else_cond): Pass the correct mode to
11450 operand_subword() for constants.
11452 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
11454 * config/i386/cygwin.h: Add w32api to include search. Search different
11455 directories in a cross-build environment.
11457 2001-11-29 Tim Josling <tej@melbpc.org.au>
11459 * tree.h (TYPE_STUB_DECL): Add documentation.
11461 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
11463 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
11464 (sdbout_field_types): Likwise. Fix use of host_integerp.
11466 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
11468 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
11471 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
11473 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
11474 to use flag_gnu_linker.
11476 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
11478 * cpplib.c (T_BAD_DIRECTIVE): Remove.
11479 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
11481 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
11483 * tree.c, tree.h (build_parse_node): Remove; was identical to
11485 * c-lang.c (start_cdtor), objc/objc-act.c
11486 (build_module_descriptor): Use build_nt instead of
11489 2001-01-29 Jakub Jelinek <jakub@redhat.com>
11491 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
11492 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
11493 not have any upper bits set.
11495 2001-01-29 Phil Edwards <pme@sources.redhat.com>
11497 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
11499 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11501 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
11503 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
11505 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
11506 (integer_minus_one_node): Define.
11508 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
11510 * Makefile.in (bootstrap2-lean): Fix typo.
11512 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
11514 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
11515 : Don't set fe_value.
11516 * cpplib.h (AVOID_LPASTE): New flag.
11517 (struct cpp_hashnode): Remove fe_value.
11518 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
11519 * cppmacro.c (builtin_macro): Don't set flags here.
11520 (replace_args): Set AVOID_LPASTE flag on first token of an
11521 argument, and the token following it.
11522 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
11523 macro expansion, and on the token following it. Do it for
11525 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
11527 2001-01-27 Richard Henderson <rth@redhat.com>
11529 * config/alpha/t-ieee: Remove multilibbing.
11530 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
11532 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11534 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
11536 * Makefile.in: Remove all dependencies on defaults.h.
11537 * builtins.c: Don't include defaults.h.
11538 * c-common.c: Likewise.
11539 * c-decl.c: Likewise.
11540 * c-pragma.c: Likewise.
11541 * c-typeck.c: Likewise.
11542 * combine.c: Likewise.
11543 * i386.c: Likewise.
11544 * frame-ia64.c: Likewise.
11545 * cppexp.c: Likewise.
11546 * crtstuff.c: Likewise.
11547 * dbxout.c: Likewise.
11548 * dwarf2out.c: Likewise.
11549 * dwarfout.c: Likewise.
11550 * emit-rtl.c: Likewise.
11551 * except.c: Likewise.
11552 * expr.c: Likewise.
11553 * final.c: Likewise.
11554 * frame-dwarf2.c: Likewise.
11555 * libgcc2.c: Likewise.
11556 * optabs.c: Likewise.
11557 * profile.c: Likewise.
11558 * sdbout.c: Likewise.
11559 * toplev.c: Likewise.
11560 * tradcif.y: Likewise.
11561 * tree.c: Likewise.
11562 * varasm.c: Likewise.
11564 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11566 * builtins.c (expand_builtin_fputs): Use size_one_node when
11567 transforming into fwrite.
11569 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
11571 * extend.texi (Attribute Syntax): New section.
11573 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11575 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
11576 they didn't need fixing.
11578 2001-01-27 Janis Johnson <janis@us.ibm.com>
11580 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11582 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11583 to remove macro definitions that are duplicated from elfos.h.
11585 2001-01-27 Richard Henderson <rth@redhat.com>
11587 * config/i386/sco5gas.h: Move ...
11588 * config/usegas.h: ... here.
11589 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11591 2001-01-27 Jakub Jelinek <jakub@redhat.com>
11593 * c-typeck.c (struct constructor_stack): Add range_stack member.
11594 (really_start_incremental_init): Clear it.
11595 (push_init_level): Save constructor_range_stack and clear it if
11596 pushing explicit braces.
11597 (pop_init_level): abort if constructor_range_stack is non-zero at
11598 explicit closing brace. Restore saved constructor_range_stack if
11601 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11603 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11604 into register was forced into memory.
11606 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11608 * Makefile.in: Remove uses of + before $(MAKE).
11610 2001-01-26 Richard Henderson <rth@redhat.com>
11612 * stmt.c (cost_table): Remove.
11613 (COST_TABLE, cost_table_initialized): New.
11614 (estimate_case_costs): Use the later instead of the former.
11615 (balance_case_nodes): Likewise.
11617 2001-01-26 Richard Henderson <rth@redhat.com>
11619 * alias.c (objects_must_conflict_p): Read-only slots may not
11620 conflict despite having the same type.
11622 2001-01-27 Michael Hayes <mhayes@redhat.com>
11624 * loop.c (loop_giv_reduce_benefit): Copy mode size into
11626 (check_ext_dependant_givs): Initialise u_start_val and
11628 (load_mems): Make last_max_reg unsigned.
11629 (try_swap_copy_prop): Use INSN_P and initialise set.
11631 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
11633 * README.AVR : Removed.
11635 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
11637 * pa-64.h (text_section): Remove declaration.
11639 * pa.md (return_internal): Remove mode on PIC register use.
11641 2001-01-25 lars brinkhoff <lars@nocrew.org>
11643 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11644 ASM_CLOSE_PAREN): fix typos.
11646 2001-01-25 Mark Mitchell <mark@codesourcery.com>
11648 * acconfig.h: Define `const' to the empty string if neither
11649 __STDC__ nor __cplusplus is defined.
11650 * config.in: Regenerated.
11652 2001-01-25 David Edelsohn <edelsohn@gnu.org>
11654 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11655 * collect2.c (main): Delete importf. Add ".obj" file extension.
11656 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11657 (aix_std_libs): Add additional AIX libraries to skip.
11658 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11659 * config/rs6000/aix51.h: New file.
11661 2001-01-25 Michael Hayes <mhayes@redhat.com>
11663 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11664 (loop_insn_emit_before): No longer static.
11665 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11666 (loop_givs_rescan, load_mems): Likewise.
11667 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11668 (maybe_eliminate_biv_1):
11669 (move_movables): Replace emit_call_insn_before with
11670 loop_call_insn_hoist.
11671 * loop.h (loop_insn_emit_before): Add.
11672 * unroll.c (copy_loop_body): Replace emit_insn_before with
11673 loop_insn_emit_before.
11675 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11677 * diagnostic.c (fatal): Request preprocessed source.
11679 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11681 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11682 olddecl has argument types and newdecl has none, use the argument
11683 types from olddecl.
11685 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11687 * dwarf2out.c (prefix_of): New function. Determine longest common
11688 prefix of the two arguments. The units are whole path components.
11689 (output_file_names): When adding a new directory find the one entry
11690 with the longest common prefix already in the list. Artificially
11691 generate entry if there is none for this prefix.
11692 Fix test to check whether the zeroth directory entry is used.
11694 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11696 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11697 Changed all callers. Take it into account when deciding if a
11698 previously loaded value matches.
11700 2001-01-24 Richard Henderson <rth@redhat.com>
11702 * reload.c (find_reloads_subreg_address): Fail the substitution
11703 if the resulting address is insufficiently aligned.
11705 2001-01-24 DJ Delorie <dj@redhat.com>
11707 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11708 check the original operand's mode also.
11709 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11711 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11713 * c-parse.in (cast_expr): Move compound literals from here ...
11714 (primary): ... to here. Use standard terminology "compound
11715 literal" instead of "constructor expression".
11717 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11719 * gcc.1, cpp.1: Regenerate.
11721 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11723 * calls.c (emit_library_call_value_1): Memory slot for
11724 pass-by-reference argument should have the mode of the argument,
11725 not of the pointer to it.
11727 2001-01-24 Tom Tromey <tromey@redhat.com>
11729 * gcc.texi (G++ and GCC): Mention gcj manual.
11730 (Standards): Link to section of manual mentioning gcj/Java
11733 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11735 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11736 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11737 * tradcpp.c (main): Add -imacros or -include'd dependencies
11739 * cpp.texi (-M, -MM): Document -M -include behaviour.
11741 2001-01-24 Roger Collins <roger@ProProject.com>
11743 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11745 2001-01-24 Will Cohen <wcohen@redhat.com>
11747 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11748 whether registers are 32 bits or 64 bits in size.
11750 2001-01-24 Ben Elliston <bje@redhat.com>
11752 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11754 2001-01-24 Richard Henderson <rth@redhat.com>
11756 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11757 (builtin_longjmp): Use it instead of emit_indirect_jump.
11759 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11761 * bb-reorder.c (make_reorder_chain_1): Handle case where
11762 jump edge goes to the same block as the fallthru edge.
11764 2001-01-23 Jim Wilson <wilson@redhat.com>
11766 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11767 * frame.h (__ia64_personality_v1): Add prototype.
11768 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11769 prototype form. Add void * cast to first argument to personality
11771 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11772 (asctoe113): Likewise.
11773 * config/ia64/frame-ia64.c: Include eh-common.h.
11774 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11776 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11778 (itanium_split_issue): Add prototype.
11779 (gen_nop_type): Ifdef out.
11780 (find_best_packet): Initialize best_packet.
11781 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11783 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11784 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11785 (flushrs): Add explicit stop bit at end.
11786 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11789 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11791 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11793 * libgcc2.c (__terminate_func): Make variable static.
11794 (__terminate_set_func): New function to set __terminate_func.
11795 * libgcc2.h (__terminate_func_ptr): New typedef.
11796 (__terminate_set_func): New function.
11798 2001-01-23 Richard Henderson <rth@redhat.com>
11800 * flow.c (init_propagate_block_info): Don't consider unchanging
11801 memories for dead frame store elimination.
11803 2001-01-23 Richard Henderson <rth@redhat.com>
11805 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11806 * defaults.h: ... here.
11808 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11810 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11812 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11814 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11816 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11818 * rs6000.h (rs6000_return_addr): Move prototype from here...
11819 * rs6000-protos.h (rs6000_return_addr): ...to here.
11820 (rs6000_init_expanders): Delete prototype.
11822 2001-01-23 Nick Clifton <nickc@redhat.com>
11824 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11825 (Spec Files): Document %B and %j and %. and %v3 and %M and
11826 %{S*&T} spec switches.
11828 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11830 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11832 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11833 Neil Booth <neil@daikokuya.demon.co.uk>
11835 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11836 Have -Werror make pedantic warnings errors, like the
11839 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11841 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11843 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11845 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11846 * integrate.c (expand_inline_function): Initialize them.
11847 (subst_constants): If changing COMPARE so that both its arguments
11848 will be VOIDmode and the comparison mode will be lost, note
11849 compare_mode. Use the recorded compare_mode to optimize
11852 2001-01-23 Jason Merrill <jason@redhat.com>
11854 * dwarf2out.c (new_die): Use xcalloc.
11855 (output_die): Abort rather than emit a local reference to offset 0.
11857 2001-01-17 Andrew Haley <aph@redhat.com>
11859 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11860 of a saved register; return NULL instead.
11861 (copy_reg): Take a pointer to a source register rather than a
11863 (next_stack_level): Remember the address in the stack frame of all
11865 Use the saved register pointer array as the source of the CFA.
11866 (throw_helper): Rewrite. Unwind once rather than twice and keep
11867 track of saved registers as we go.
11869 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11871 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11872 * c4x.c (c4x_legitimize_reload_address): Remove.
11873 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11874 reload address for ldp(k) insn.
11876 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11878 * pa.md (return_internal): Add a USE of the PIC register to ensure
11879 it is restored after each call.
11880 (return expander): Corresponding changes.
11882 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11884 * rs6000.h (INIT_EXPANDERS): Delete.
11885 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11886 * rs6000.c (rs6000_override_options): Call *_machine_status from
11888 (rs6000_init_expanders): ...instead of here. Delete.
11889 (rs6000_mark_machine_status): New function.
11890 (rs6000_init_machine_status): Use xcalloc.
11891 (rs6000_return_addr): Generate RTX for the return address.
11892 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11893 (rs6000_stack_info): Use it.
11895 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11897 * gthr-win32.h: Include errno.h to get a declaration for
11898 EINVAL and _mingw.h if the target is mingw32.
11900 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11902 * cpp.texi: Correct typos.
11904 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11906 * explow.c (probe_stack_range): Ensure value passed to
11907 stack_check_libfunc is ptr_mode, not Pmode.
11909 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11911 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11912 case, don't use operand_subword to calculate a SUBREG that is
11915 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11917 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11919 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11920 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11921 valid. If not replace it by equivalent insns.
11923 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11925 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11926 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11927 (c4x_U_constraint, symbolic_address_operand): Likewise.
11928 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11930 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11931 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11932 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11933 anulling slot because of silicon bug.
11934 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11936 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11938 * cppexp.c (parse_charconst): Change `mask' type to agree
11941 2001-01-21 Richard Henderson <rth@redhat.com>
11943 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11944 pic_label_name in a linkonce section.
11946 2001-01-17 Philipp Thomas <pthomas@suse.de>
11948 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11950 * configure: Regenerate.
11952 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11954 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11955 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11957 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11959 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11960 If REVERSE nonzero then condition code in X must be reversed.
11961 (encode_section_info): Optimise if/else.
11962 (avr_function_value): Fix formatting.
11964 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11965 (difficult_branch): Likewise.
11966 (rvbranch): Likewise.
11967 (difficult_rvbranch): Likewise.
11969 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11971 * config/avr/libgcc.S: Fix comment.
11973 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11975 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11977 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11979 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11981 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11983 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11984 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11985 * configure, config.in: Regenerate.
11986 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11987 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11988 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11989 (doprint.o): New rule.
11991 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11993 * c-typeck.c (digest_init): Handle boolean types as scalars.
11995 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11997 * stmt.c (expand_return): Don't return anything if size is zero.
11998 Delete redundant assignment to BYTES.
11999 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
12001 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
12003 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
12004 the same as the default library function names.
12005 * config/avr/avr.md: Document special characters after '%'.
12006 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
12007 knowing which of the call-used registers are really clobbered.
12008 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
12009 New. Both quotient and remainder from one libgcc.S call.
12010 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
12011 clobber as few registers as possible.
12012 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
12014 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
12016 * cppmacro.c (funlike_invocation_p): Don't move back up to the
12017 context of the top of the stack.
12019 2001-01-20 Jakub Jelinek <jakub@redhat.com>
12021 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
12022 (fixup_var_refs_insns): ...here.
12024 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
12026 * function.c (fixup_var_refs_insns): Break up into
12027 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
12028 [loop over entire insn list], and fixup_var_refs_insns_with_hash
12029 [loop over hash table entries].
12030 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
12031 fixup_var_refs_insns_with_hash, to match above changes.
12033 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
12035 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
12036 (libgcc.a): Likewise.
12037 (stmp-multilib): Likewise.
12038 (STAGE2_FLAGS_TO_PASS): Likewise.
12040 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
12042 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
12043 temporary if no_new_pseudos.
12045 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
12047 * cppinternals.texi: Update.
12049 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
12051 * arm.c (arm_init_builtins): Re-enable builtins.
12053 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12055 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
12056 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
12057 element to be null, and always expect an EXPR_LIST.
12058 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
12059 * sched-deps.c (sched_analyze_1): Likewise.
12060 * sched-rgn.c (check_live_1, update_live_1): Likewise.
12062 * regclass.c (max_set_parallel): New variable.
12063 (reg_scan): Take it into account in computation of max_parallel.
12064 (reg_scan_mark_refs, case SET): Compute it.
12066 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
12068 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
12069 * function.c (assign_parms): Use INTVAL for a CONST_INT.
12071 2001-01-19 Jason Merrill <jason@redhat.com>
12073 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
12074 for the abstract instance of an inline function.
12076 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
12077 J"orn Rennecke <amylaar@redhat.com>
12079 * reload1.c (move2add_note_store): Treat all registers directly or
12080 indirectly derived from a base register as members of the same set
12082 (reload_cse_move2add): Adjust accordingly. Take mode and offset
12083 of base register into account.
12085 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
12087 * alias.c (find_base_value): Recognize TRUNCATE.
12088 (record_set): In PLUS case, invalidate if other summand is also a
12091 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12093 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
12094 entry to be EXPR_LIST.
12095 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
12096 be an EXPR_LIST (but not null, which other code doesn't allow).
12097 (note_stores): Properly handle PARALLEL in SET.
12098 Recursively call for top-level PARALLEL.
12099 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
12100 * sched-rgn.c (check_live_1, update_live_1): Likewise.
12102 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
12104 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
12106 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
12107 not pfile->skipping (== 0).
12109 2001-01-17 Nick Clifton <nickc@redhat.com>
12111 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
12114 2001-01-17 Jim Wilson <wilson@redhat.com>
12116 * invoke.texi (IA-64 options): Improve.
12118 2001-01-17 Tom Tromey <tromey@redhat.com>
12120 * invoke.texi (Optimize Options): Use `{}' to around @samp
12123 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
12125 * invoke.texi (-fno-guess-branch-probability): New option.
12127 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12129 * combine.c (try_combine): Don't set i3_subst_into_i2 for
12130 case of making new double-word constant.
12131 Revert last change: instead just test i3_subst_into_i2.
12133 2001-01-17 Jakub Jelinek <jakub@redhat.com>
12135 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
12136 Use q constraints instead of r.
12138 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
12140 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
12141 (machine_function): Define.
12142 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
12143 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
12144 pa_free_machine_status): New functions.
12145 (override_options): Set {init,mark,free}_machine_status to above.
12146 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12147 PIC_OFFSET_TABLE_REGNUM_SAVED.
12148 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12149 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
12150 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
12151 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
12152 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12154 2001-01-15 DJ Delorie <dj@redhat.com>
12156 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
12160 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12162 * flow.c (propagate_one_insn): Make trying to delete a prologue
12163 or epilogue insn an ICE, not a warning. Allow doing this if
12164 the current function returns with stack pointer depressed.
12166 * combine.c (try_combine): If i3_subst_into_i2, properly check for
12167 I3 having more than one SET.
12169 2001-01-16 Jim Wilson <wilson@redhat.com>
12171 * invoke.texi: Document IA-64 options.
12173 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
12174 (fixup_errata): Delete TARGET_A_STEP use.
12175 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
12176 (TARGET_SWITCHES): Delete -ma-step option.
12177 * config/ia64/ia64.md (all FP patterns): Delete %B0.
12178 (movqicc_astep, movqi_internal_astep, movhicc_astep,
12179 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
12180 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
12181 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
12182 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
12184 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
12185 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
12186 cmovsi_internal): Delete ! TARGET_A_STEP check.
12188 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12190 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
12191 possibility to report bugs via postal mail. Change a URL and
12192 merge in a nearly duplicate statement...
12193 (Bug Reporting): ...from here.
12194 (Service): Refer to the Bug Reporting section instead of
12195 duplicating an URL.
12196 (Contributing): Remove trivial explanations concerning snapshots.
12198 2001-01-16 Alan Modra <alan@linuxcare.com.au>
12200 * cppmain.c (general_init): Don't use ANSI prototype.
12202 2001-01-16 Tom Tromey <tromey@redhat.com>
12204 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
12206 2001-01-16 Richard Henderson <rth@redhat.com>
12208 * config/i386/i386.h: Fix comment typo.
12209 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
12210 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
12212 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12214 * gcc.c: Revert previous -fsyntax-only-related change; move
12217 2001-01-16 Jakub Jelinek <jakub@redhat.com>
12219 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
12220 inmode after checking GET_CODE (op).
12222 2001-01-16 Richard Henderson <rth@redhat.com>
12224 * flow.c (struct propagate_block_info): Add mem_set_list_len.
12225 (MAX_MEM_SET_LIST_LEN): New.
12226 (propagate_one_insn): Update mem_set_list_len.
12227 (invalidate_mems_from_autoinc): Likewise.
12228 (invalidate_mems_from_set): Likewise.
12229 (mark_used_regs): Likewise.
12230 (init_propagate_block_info): Likewise. Stop collecting memories
12231 when we reach MAX_MEM_SET_LIST_LEN.
12232 (mark_set_1): Likewise.
12234 2001-01-16 Richard Henderson <rth@redhat.com>
12236 * unroll.c (precondition_loop_p): Fail if no iteration
12239 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12241 * gcc.c: When -fsyntax-only is given, do not complain about
12244 2001-01-15 Richard Henderson <rth@redhat.com>
12246 * config/i386/i386.c (asm_output_function_prefix): Remove.
12247 (ix86_asm_file_end): New.
12248 (load_pic_register): Generate pic_label_name into a
12249 staticly allocated buffer.
12250 * config/i386/i386-protos.h: Update.
12251 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
12252 (ASM_FILE_END): New.
12253 * config/i386/i386afe.h: New file.
12254 * config.gcc (i?86-*-elf) [tm_file]: Use it.
12255 (i?86-*-{freebsd,linux*,moss*}): Likewise.
12256 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
12257 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
12258 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
12259 * config/i386/sco5.h (ASM_FILE_END): Likewise.
12260 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
12262 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
12264 * Makefile.in (install-man): Remove explicit dependency on
12267 * configure.in, configure: Revert previous patch requiring perl
12270 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
12272 * toplev.c (flag_guess_branch_prob): New.
12273 (f_options): Add guess-branch-probability option.
12274 (rest_of_decl_compilation): Only estimate branch probability if
12276 (main): set flag_guess_branch_prob.
12278 * flags.h (flag_guess_branch_prob): New.
12280 2001-01-15 DJ Delorie <dj@redhat.com>
12282 * gcc.texi (Makefile): Add documentation for Makefile targets.
12284 2001-01-15 Philip Blundell <philb@gnu.org>
12286 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
12288 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
12289 (is_pic): Delete declaration.
12290 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
12291 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
12292 * config/arm/arm.md (builtin_setjmp_receiver): New.
12294 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12296 * arm.c (use_return_insn): Don't try to determine the function type
12297 until after reload has completed.
12298 (arm_output_epilogue): Don't adjust the sp value recovered from the
12300 (emit_multi_reg_push): Don't record dwarf information for the pc.
12301 * arm.md (eh_epilogue): The function type may have changed, so it
12302 needs to be recalculated.
12303 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
12304 unwind tables on arm/netbsd.
12306 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12308 * arm.md (cbranchsi4): Correct calculation of branch ranges.
12309 (negated_cbranchsi4): Likewise.
12311 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12313 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
12314 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12315 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
12316 pass -mapcs-* options to assembler.
12317 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
12318 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12319 (ASM_SPEC): Call subtarget_extra_asm_spec.
12321 2001-01-15 Andreas Jaeger <aj@suse.de>
12323 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
12325 (ix86_expand_builtin): Likewise.
12327 * gencodes.c (output_predicate_decls): Make i size_t to avoid
12328 warning about comparison between signed and unsigned.
12330 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12332 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
12334 2001-01-14 Ralf Baechle <ralf@gnu.org>
12336 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
12337 SUBTARGET_CPP_SPEC apropriatly.
12339 2001-01-12 Mark Mitchell <mark@codesourcery.com>
12341 * varasm.c (make_decl_rtl): Fix typo in last change.
12343 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
12345 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
12346 linker supports the init_priority C++ attribute.
12347 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
12348 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
12349 linker does not support init_priority C++ attribute.
12351 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
12353 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
12355 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12357 * c-parse.in (finish_parse): Add comment about cpp_destroy.
12358 * cp/lex.c (finish_parse): Similarly.
12359 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
12360 Return the number of errors encountered.
12361 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
12362 * cppmain.c (main): Don't call cpp_destroy.
12364 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
12366 * configure.in: Require at least perl 5.6.0 to regenerate
12368 * configure: Regenerate.
12370 2001-01-14 Richard Henderson <rth@redhat.com>
12372 * genrecog.c (DT_veclen_ge): New.
12373 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
12374 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
12375 (nodes_identical_1): Handle DT_veclen_ge.
12376 (write_cond, debug_decision_2): Likewise.
12378 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12380 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
12382 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
12384 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12386 * cppmain.c (do_preprocessing): New function; most of the old
12388 (main): Call it to do most of the work.
12389 (cb): Move from global scope to set_callbacks ().
12390 (setup_callbacks): Get the callback pointer.
12391 (general_init, printer_init): Clean up code and comments.
12393 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12395 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
12398 2001-01-14 Kazu Hirata <kazu@hxi.com>
12400 * config/h8300/h8300.c (get_shift_alg): Update comments.
12402 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12404 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
12405 (alloc_page, ggc_alloc): Add casts to remove warnings.
12407 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12409 * combine.c (simplify_comparison): Don't change `code' when
12410 can't reverse comparison.
12412 2001-01-14 Richard Henderson <rth@redhat.com>
12414 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
12415 update all call sites. Return true for all non-label constants.
12417 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
12419 * i386.c (ix86_expand_compare): Add bypass_test and second_test
12421 (ix86_expand_branch): Update.
12422 (ix86_expand_setcc): Update to handle multiple test conditions.
12423 (expand_int_movcc): Likewise.
12424 (expand_fp_movcc): Likewise.
12425 * i386-protos.h (ix86_expand_compare): New.
12426 * i386.md (andqi_?_slp, orqi_?_slp): New.
12427 (conditional trap expander): Update call to ix86_expand_compare.
12429 2001-01-14 Richard Henderson <rth@redhat.com>
12431 * config/vax/vax.md: Use nonimmediate_operand instead of
12432 general_operand in destinations.
12434 * config/vax/vax.md (indirect_jump): Use register_operand.
12436 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
12437 * config/vax/vax.md (call_pop): Turn into an expander.
12438 (call_value_pop): Likewise.
12439 (call, call_value): New.
12441 2001-01-14 Andreas Jaeger <aj@suse.de>
12443 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
12445 (ix86_fp_compare_mode): Add unused attribute.
12446 (ix86_expand_fp_movcc): Remove unused variable.
12447 (ix86_expand_builtin): Make fcode unsigned.
12449 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
12450 (expand_expr): Add cast to avoid signed warning.
12451 (store_field): Likewise.
12452 (store_constructor_field): Likewise.
12453 (store_constructor): Likewise.
12454 (store_expr): Likewise.
12455 (clear_storage): Likewise.
12456 (emit_group_store): Likewise.
12457 (emit_group_load): Likewise.
12459 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12461 * c-common.c: Move format checking code to ...
12462 * c-format.c: ... here. New file. Reorder some functions and
12464 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
12466 * c-common.h (decl_handle_format_attribute,
12467 decl_handle_format_arg_attribute): Declare.
12468 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
12469 (c-common.o): Adjust dependencies.
12470 (c-format.o): New list of dependencies.
12472 2001-01-13 Jakub Jelinek <jakub@redhat.com>
12474 * unroll.c (loop_iterations): If we cannot prove iteration variable
12475 is set once in each iteration, punt.
12477 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
12479 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
12480 (*strlenhi): Remove clobber (which was buggy) of output address.
12482 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12484 * Makefile.in (generated-manpages): Add gcc.1
12485 ($(srcdir)/gcc.1): New target.
12486 (maintainer-clean): Delete $(srcdir)/gcc.1.
12487 * gcc.texi: Add macros @gccoptlist and @gol.
12488 * invoke.texi: Include option summary in manpage. Mark up option
12489 summary with @gccoptlist and @gol. Use @r in one place where
12491 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
12492 * gcc.1: Generate from invoke.texi.
12494 2001-01-13 Richard Henderson <rth@redhat.com>
12496 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
12497 (struct page_entry): Add group member.
12498 (struct page_group): New.
12499 (struct globals): Add page_groups member.
12500 (alloc_anon): Only define for using mmap; remove valloc call.
12501 (page_group_index): New.
12502 (set_page_group_in_use): New.
12503 (clear_page_group_in_use): New.
12504 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
12505 (free_page, release_pages): Likewise.
12506 * configure.in (with-gc): Default to ggc-page always.
12508 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12510 * reload1.c (replace_pseudos_in_call_usage): Use
12511 reg_equiv_constant and reg_equiv_address, and don't try
12512 regno_reg_rtx first.
12514 2001-01-13 Richard Henderson <rth@redhat.com>
12516 * ggc-page.c (alloc_page): Round up allocation size to one page.
12517 Set e->order on extra pages.
12519 2001-01-13 Richard Henderson <rth@redhat.com>
12521 * genrecog.c (nodes_identical): Expand commentary.
12522 (write_switch): Watch out for identical nodes.
12524 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12526 * cppfiles.c (_cpp_fake_include): New function.
12527 * cpphash.h (_cpp_fake_include): New.
12528 * cpplib.c (do_line): Call _cpp_fake_include when entering
12529 header files in preprocessed input.
12530 * cppmain.c (cb_pragma_implementation): Remove handling.
12531 (setup_callbacks): Don't register pragmas.
12533 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12535 * extend.texi: Udate for CPP.
12537 2001-01-13 Andreas Jaeger <aj@suse.de>
12539 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
12541 * regmove.c: Add prototype for replace_in_call_usage.
12543 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12545 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
12546 struct cpp_chunk, struct htab, struct toklist,
12547 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
12548 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
12549 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
12550 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
12551 (struct macro_args): Delete.
12552 * cpphash.h: See above.
12554 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12556 * cppmain.c (struct printer): Remove no_line_dirs.
12557 (options, cb): New.
12558 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12559 : Use options rather than CPP_OPTION.
12560 (setup_callbacks): Use cb rather than pfile->cb.
12561 (main): No need to check for a buffer. Use cpp_errors.
12562 (printer_init): Don't set no_line_dirs.
12563 (maybe_print_line): Use options not no_line_dirs.
12564 (cb_file_change): Don't call print_line if -P.
12566 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12568 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12570 * c-parse.in (finish_parse): Use cpp_errors.
12571 (__yylex): Use return value of cpp_pop_buffer.
12572 * cp/lex.c (finish_parse): Use cpp_errors.
12573 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12575 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
12577 * README.AVR: URLs corrected.
12579 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12581 * c-decl.c (start_function): Don't warn if old prototype is builtin
12582 that's not in C's namespace.
12583 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12584 (_bb): Add prototype for ctime.
12585 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12587 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
12589 * i386.c (ix86_fp_comparison_arithmetics_cost,
12590 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12591 ix86_fp_comparison_cost): New functions.
12592 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12593 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12594 two-branch sequences; make static.
12595 (ix86_use_fcomi_compare): Do decision according to the costs.
12596 (split_fp_branch): New.
12597 * i386.md (compare-and-branch patterns): Use split_fp_branch.
12598 * i386-protos.h (ix86_expand_fp_compare): Remove
12599 (ix86_split_fp_branch): Declare.
12601 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12602 and ix86_comparison_operator.
12604 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12605 to make it cheaper.
12607 * i386.c (put_condition_code): Output properly the unordered/ordered
12608 compares in fp case.
12609 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12611 * tm.texi (REVERSE_CONDITION): Document.
12612 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12613 in -ffast-math mode.
12614 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12616 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12618 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12620 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12623 * config/sh/sh.c (mova_p): Fix test for mova_const.
12625 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12627 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12628 cpp_get_options rather than dereferencing pfile and using
12630 * scan-decls.c (scan_decls): Use return value of
12631 cpp_pop_buffer rather than CPP_BUFFER.
12633 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12635 * cppinit.c (cpp_handle_option): help_only is now part of the
12636 cpp_options structure.
12637 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12638 cpp_set_callbacks): New functions.
12639 * cpplib.h (cpp_callbacks): Break out as a named structure.
12640 (cpp_options): Move help_only here from cpp_reader.
12641 (CPP_FATAL_ERRORS): Update to use cpp_errors.
12642 (cpp_errors, cpp_get_options, cpp_get_callbacks,
12643 cpp_set_callbacks): New prototypes.
12644 * cppmain.c (main): Update for help_only.
12646 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12648 * Makefile.in (info, maintainer-clean, install-info, uninstall):
12649 Also build and remove and install and uninstall c-tree.info and
12651 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12652 ($(srcdir)/cppinternals.info): New target.
12653 * c-tree.texi: Change file name used when makeinfo used without -o
12654 from ir.info to c-tree.info. Add info directory entry.
12655 * cppinternals.texi: Add info directory entry.
12656 * .cvsignore: Update.
12658 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12660 * c-typeck.c (store_init_value): Don't require constant initializer
12661 elements with -pedantic -std=c99.
12662 (digest_init): Change error about non-constant initializer elements
12664 (constructor_range_end): Remove.
12665 (constructor_incremental, designator_depth,
12666 designator_errorneous): New variables.
12667 (struct constructor_stack): Remove range_end, add incremental.
12668 (struct constructor_range_stack, constructor_range_stack): New.
12669 (struct initializer_stack): Add constructor_range_stack.
12670 (finish_init): Set it.
12671 (start_init): Likewise. require_constant_elements for non-static
12672 trees only if not flag_isoc99.
12673 (really_start_incremental_init): Remove constructor_range_end, add
12674 constructor_incremental.
12675 (pop_init_level): Likewise.
12676 (push_init_level): Likewise. If implicit and the subobject had some
12677 value set already, preinitialize the level with it.
12678 Warn about missing braces only if not pushing due to designators.
12679 (set_designator, push_range_stack): New functions.
12680 (set_init_label): Use them.
12681 (set_init_index): Likewise. Remove constructor_range_end.
12682 Error if designator index is outside of array bounds.
12683 (add_pending_init): Compare values of purpose index trees, not the
12684 trees themselves. Allow overwriting of already initialized element.
12685 Issue a warning if it had side-effects.
12686 (set_nonincremental_init, set_nonincremental_init_from_string): New
12688 (pending_init_member): Rename to...
12689 (find_init_member): ...this function. Call set_nonincremental_init
12690 if necessary. Compare values of purpose index trees, not the trees
12691 themselves. Return the actual value, not just non-zero if something
12693 (output_init_element): Remove checks for duplicates.
12694 If field has zero size, only check the initializer for correctness.
12695 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12696 if constructor_incremental is zero. Change error about initializers
12697 not computable at load time into pedwarn.
12698 (output_pending_init_elements): Compare bit positions, not
12699 FIELD_DECLs to take into account zero-sized fields.
12700 (process_init_element): Use constructor_range_stack to fill all
12701 ranges in the designator lists from current level up.
12702 * extend.texi: Update documentation for labeled elements.
12704 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12706 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12707 to function usage for arguments passed by reference. Optimize
12708 callee-copied arguments.
12709 * regmove.c (replace_in_call_usage): New function.
12710 (fixup_match_1): Call it.
12711 * cse.c (cse_insn): Canonicalize registers in function usage.
12712 * reload1.c (replace_pseudos_in_call_usage): New function.
12715 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12718 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12720 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12723 2001-01-12 DJ Delorie <dj@redhat.com>
12725 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12726 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12729 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12731 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12732 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12733 -std options alongside references to -ansi. Update some
12734 documentation for C99.
12735 * cpp.1: Regenerate.
12737 2001-01-12 Andreas Jaeger <aj@suse.de>
12739 * haifa-sched.c (restore_line_notes): Remove argument block B
12741 * sched-ebb.c (schedule_ebb): Change caller.
12742 * sched-rgn.c (schedule_region): Likewise.
12743 * sched-int.h (restore_line_notes): Adjust prototype.
12745 * loop.h: Remove wrong declaration of doloop_condition_get.
12747 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12749 * extend.texi: Move C++-extension-related node from the C section
12750 into the C++ section.
12752 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12754 * extend.texi: Refer to an array of pointers to functions instead
12755 of one of functions.
12757 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12758 Jan Hubicka <jh@suse.cz>
12760 * combine.c (reversed_comparison): Fix typo in last patch.
12762 (combine_reversed_comparison_code): Make static to follow
12763 prototype declaration.
12765 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12767 * install.texi: Remove misplaced duplicate entry.
12769 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12771 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12773 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12775 * final.c: (leaf_function_p): Fix typo.
12777 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12779 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12780 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12782 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12783 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12784 mmap_anon, and valloc is available.
12785 * ggc-page.c: Restructure ifdef logic to match new autoconf
12786 spec. Don't throw away the test page in init_ggc.
12788 * configure, config.in: Regenerate.
12790 2001-01-12 Michael Hayes <mhayes@redhat.com>
12792 * loop.h (total_biv_increment): Constify iv_class pointer.
12793 (struct induction): Replace `mem_mode' with `mem' rtx.
12794 * unroll.c (total_biv_increment): Constify iv_class pointer.
12795 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12796 (find_mem_givs, combine_givs_p): Likewise.
12797 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12799 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12801 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12803 (__gthread_getspecific): Ditto.
12805 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12807 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12808 put_condition_code): Convert fp comparison codes to integer
12810 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12813 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12814 * i386-protos.h (no_comparison_operator): Kill.
12816 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12818 * combine.c (REVERSIBLE_CC_MODE): Remove.
12819 (reversible_comparison_p): Remove.
12820 (combine_reversed_comparison_code): New.
12821 (reversed_comparison): New.
12822 (combine_simplify_rtx): Use
12823 combine_reversed_comparison_code/reversed_comparison instead
12824 of reversible_comparison_p.
12825 (simplify_if_then_else): Likewise.
12826 (simplify_set): Likewise.
12827 (simplify_logical): Likewise.
12828 (if_then_else_cond): Likewise.
12829 (known_cond): Likewise.
12830 (simplify_comparison): Likewise.
12832 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12834 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12835 sizeof (int) is larger than sizeof(__word__).
12837 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12839 * cppinit.c (do_includes): Fix typo.
12841 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12843 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12844 in S_REGS does not occur because not all sources are possible
12845 when a S_REGS is a destination (sometimes needs a clobber).
12846 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12847 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12848 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12849 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12850 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12851 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12852 (lshrdi_const1, lshrsi3_const16): Likewise.
12853 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12854 (*movhi_68hc12, *movqi_68hc12): Likewise.
12855 (movstrictqi): Make sure reloading in D_REGS as a destination
12858 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12860 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12862 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12864 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12865 -D, -U and -A, and don't initialize the builtins.
12866 (do_includes): Error if -include or -imacros with -fpreprocessed.
12867 * cppmain.c (cb_define, cb_undef): Unconditionally process
12869 * tradcpp.c (main): Fix typo.
12871 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12873 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12874 (read_name_map): Use IS_ABSOLUTE_PATH.
12875 * tradcpp.c (get_filename): Likewise.
12877 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12879 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12880 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12881 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12882 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12883 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12884 (cmphi_z_used): Don't use '@' for the output.
12885 (tstqi_z_used): Likewise.
12886 (cmpqi_z_used): Likewise.
12887 (one_cmplsi2): Likewise.
12889 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12891 * config/sh/sh.c (barrier_align): Recognize branch around far
12892 branch and redundant insn.
12894 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12896 * invoke.texi: Restore documentation of the drivers' switches -MD
12899 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12901 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12903 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12904 check-objc//%): Support parallel testing of multilibs.
12905 (TESTSUITEDIR): Set to testsuite by default, but override for
12907 (check-gcc, check-g++, check-g77, check-objc): Enter
12910 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12912 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12913 * sched-deps.c (deps_may_trap_p): Likewise.
12914 * basic-block.h: Remove a comment.
12915 * flow.c (PROP_POSTRELOAD): Remove.
12916 (update_life_info): Don't add it to prop_flags.
12917 (mark_set_1): Lose the code that was enabled by it.
12919 2001-01-11 Michael Hayes <mhayes@redhat.com>
12921 * flow.c (flow_call_edges_add): New.
12922 * basic_block.h (flow_call_edges_add): New.
12924 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12926 * reload1.c (move2add_note_store): Update reg_set_luid even if
12927 base reg remains the same.
12929 2001-01-10 Nick Clifton <nickc@redhat.com>
12931 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12932 machine_function structure to zero.
12933 Add prototypes for machine_status functions.
12935 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12937 * c-common.h (CTI_VOID_LIST): Remove.
12938 (void_list_node): Likewise.
12939 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12940 (void_list_node): New macro.
12941 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12942 * config/i386/i386.c (ix86_init_builtins): Likewise.
12943 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12945 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12947 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12948 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12950 * tradcpp.c: Include mkdeps.h.
12951 (deps, print_deps_phony_targets, deps_append, output_deps,
12952 init_dependency_output, output_deps): New.
12953 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12954 deps_output): Delete.
12955 (print_deps_missing_files): Rename deps_missing_files.
12956 (inhibit_output): Make global.
12957 (main): Delete inhibit_output, deps_stream, deps_target.
12958 Use mkdeps functionality in the same way as cpplib. Remove
12959 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12960 -M and -MM. Remove old handling of deps via deps_out, and
12961 old reading of environment variables.
12962 (get_filename): Update to use deps_add_dep.
12964 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12966 * output.h (make_function_rtl): Remove prototype.
12967 (make_decl_rtl): Likewise.
12968 * varasm.c (make_function_rtl): Remove.
12969 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12970 than from a third parameter.
12971 * tree.h (make_decl_rtl): Remove last parameter.
12972 * c-decl.c (builtin_function): Remove last argument in call to
12973 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12974 (start_function): Likewise.
12975 * except.c (call_get_eh_context): Likewise.
12976 * expr.c (emit_block_move): Likewise.
12977 (clear_storage): Likewise.
12978 * profile.c (output_func_start_profiler): Likewise.
12979 * toplev.c (rest_of_decl_compilation): Likewise.
12980 * objc/objc-act.c (create_builtin_decl): Likewise.
12981 (synth_module_prologue): Likewise.
12982 (generate_static_reference): Likewise.
12983 (build_selector_reference_decl): Likewise.
12984 (build_class_reference_decl): Likewise.
12985 (build_objc_string_decl): Likewise.
12986 (build_protocol_reference): Likewise.
12988 2001-01-10 Richard Henderson <rth@redhat.com>
12990 * hwint.h: Revert yesterday's change.
12992 2001-01-10 Nick Clifton <nickc@redhat.com>
12994 * function.h (save_machine_status): Delete.
12995 (restore_machine_status): Delete.
12996 Amend comment describing {init|mark|free}_machine_status.
12998 * function.c (save_machine_status): Delete.
12999 (restore_machine_status): Delete.
13000 Amend comment describing {init|mark|free}_machine_status.
13001 (push_function_context_to): Remove invocation of
13002 save_machine_status.
13003 (pop_function_context_from): Remove invocation of
13004 restore_machine_status.
13006 * emit-rtl.c (init_emit_once): Amend comment describing
13007 {init|mark|free}_machine_status.
13009 * tm.texi (Per-Function Data): New node. Describe the
13010 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
13013 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
13015 * cppinit.c (OPT_g): Remove.
13016 (cpp_handle_option): Update for removed -g3.
13017 (print_help): Update.
13018 * cpplib.h (struct cpp_options): Remove debug_output.
13019 * cppmain.c (setup_callbacks, cb_define): Update.
13020 * gcc.c (cpp_options): Translate -g3 to -dD.
13022 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
13024 * config/i960/i960.md: Change modifier to + on the zero_extract
13025 pattern after the (rotate -2 reg) canonicalization pattern.
13027 2001-01-10 Richard Henderson <rth@redhat.com>
13029 * config/alpha/alpha.c (alpha_free_machine_status): New.
13030 (override_options): Install it.
13031 (alpha_mark_machine_status): Verify machine non-null.
13032 * config/i386/i386.c (ix86_free_machine_status): New.
13033 (override_options): Install it.
13034 (ix86_init_machine_status): Use xcalloc.
13035 (ix86_mark_machine_status): Verify machine non-null.
13036 * config/ia64/ia64.c (ia64_free_machine_status): New.
13037 (ia64_override_options): Install it.
13038 (ia64_mark_machine_status): Verify machine non-null.
13040 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
13042 * function.c (instantiate_virtual_regs): Instantiate virtual
13043 registers found in CALL_INSN_FUNCTION_USAGE.
13045 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
13047 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
13048 equivalent to -ansi in disabling -Di386.
13050 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
13052 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
13054 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
13056 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
13058 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
13060 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
13062 * invoke.texi: Document that -fcond-mismatch isn't supported for
13065 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
13067 * gcc.texi: Define macro gcctabopt.
13068 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
13069 @command, @env and @option in some places where appropriate. Use
13070 @gcctabopt where appropriate. Put URLs and email addresses inside
13073 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
13075 * gcc.c (cpp_options): Set MD file name from output
13076 filename, if specified.
13077 (suffix_subst): New static variable.
13078 (do_spec): Clear it.
13079 (do_spec_1, case '.'): Handle new `%.suffix' spec.
13081 (give_switch): Handle suffix_subst.
13083 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13085 * invoke.texi: Fix another typo.
13087 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13089 * invoke.texi: Fix typo.
13091 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
13093 * c-lang.c (lang_hooks): Update.
13094 (lang_decode_option): Remove.
13095 (lang_init_options): Rename c_init_options.
13096 * toplev.c (main): Use lang_hooks for lang_init_options
13097 and lang_decode_option.
13098 * toplev.h (lang_hooks): Add 2 new hooks.
13099 * tree.h: Remove lang_init_options and lang_decode_option.
13100 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
13101 * cp/decl2.c: Similarly.
13102 * cp/lex.c (lang_init_options): Rename cxx_init_options.
13103 (lang_hooks): Update.
13104 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
13106 (lang_init_options): Rename ffe_init_options.
13107 (lang_hooks): Update.
13108 (lang_decode_option): Remove.
13109 * java/lang.c (lang_init_options): Rename java_init_options.
13110 (lang_decode_option): Rename java_decode_option.
13111 (lang_hooks): Update.
13112 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
13113 (lang_decode_option): Rename objc_decode_option.
13114 (lang_hooks): Update.
13116 2001-01-09 Nick Clifton <nickc@redhat.com>
13118 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
13119 (d30v_return_addr_rtx): Delete.
13120 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
13121 cfun->machine structure.
13122 (struct machine_function): Move to d30v.h
13123 (d30v_save_machine_status): Delete.
13124 (d30v_restore_machine_status): Delete.
13125 (d30v_init_machine_status): New Function.
13126 (d30v_mark_machine_status): New Function.
13127 (d30v_free_machine_status): New Function.
13128 (d30v_init_expanders): Use new functions.
13129 (d30v_return_addr): Use ra_rtx field in cfun->machine.
13130 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
13131 d30v_return_addr_rtx.
13133 * config/d30v/d30v.h (struct_machine): Move here.
13134 Add eh_epilogue_sp_ofs field.
13136 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
13137 field in cfun->machine structure.
13139 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
13141 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
13142 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
13143 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
13145 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
13147 * objc/lang-options.h: Remove bogus reference to
13150 2001-01-09 Kazu Hirata <kazu@hxi.com>
13152 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
13155 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
13157 * reload.c (find_reloads_address): Check for eliminable registers
13158 when substituting a constant expression for a pseudo.
13160 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
13162 * c-common.c (enum format_type): Add format_type_error.
13163 (decode_format_type): New function.
13164 (decl_attributes): Use it.
13165 (format_kind_info): Adjust comment.
13167 2001-01-09 David O'Brien <obrien@BSDi.com>
13169 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
13170 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
13172 * config/i386/gnu.h: Don't include required platform specific .h files,
13173 tm.h will do it instead.
13174 * config/i386/i386elf.h: Likewise.
13175 * config/i386/linux.h: Likewise.
13176 * config/i386/moss.h: Likewise.
13177 * config/mips/gnu.h: Likewise.
13179 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13181 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
13182 (rs6000-ibm-aix3.[01]*): Likewise.
13183 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
13184 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
13185 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
13186 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
13187 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
13188 (powerpc-*-eabiaix*): Likewise.
13189 (powerpc-*-eabisim*): Likewise.
13190 (powerpc-*-elf*): Likewise.
13191 (powerpc-*-eabi*): Likewise.
13192 (powerpc-*-rtems*): Likewise.
13193 (powerpc-*-linux*libc1): Likewise.
13194 (powerpc-*-linux*): Likewise.
13195 (powerpc-wrs-vxworks*): Likewise.
13196 (powerpcle-wrs-vxworks*): Likewise.
13197 (powerpcle-*-sysv*): Likewise.
13198 (powerpcle-*-elf*): Likewise.
13199 (powerpcle-*-eabisim*): Likewise.
13200 (powerpcle-*-eabi*): Likewise.
13201 (powerpcle-*-solaris2*): Likewise.
13202 * config/rs6000/aix31.h: Delete includes.
13203 * config/rs6000/aix3newas.h: Likewise.
13204 * config/rs6000/aix41.h: Likewise.
13205 * config/rs6000/aix43.h: Likewise.
13206 * config/rs6000/beos.h: Likewise.
13207 * config/rs6000/rtems.h: Likewise.
13208 * config/rs6000/sysv4.h: Likewise.
13210 2001-01-09 Kazu Hirata <kazu@hxi.com>
13212 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
13213 Change an argument mode of machine_mode to shift_mode of
13214 shift_mode. Remove an extra error check.
13215 (emit_a_shift): Adopt to the new calling prototype of
13217 (function_prologue): Fix code for a monitor
13218 function. Support H8/S.
13219 (function_epilogue): Do not output pop for a monitor function.
13221 2001-01-09 Nick Clifton <nickc@redhat.com>
13223 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
13224 (setup_incoming_varargs): Use sysv_varargs_p field of the
13225 cfun->machine structure.
13226 (struct machine_function): Move to rs6000.h
13227 (rs6000_save_machine_status): Delete.
13228 (rs6000_restore_machine_status): Delete.
13229 (rs6000_init_machine_status): New Function.
13230 (rs6000_free_machine_status): New Function.
13231 (rs6000_init_expanders): Use new functions.
13233 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
13235 (struct machine_function): Move here.
13237 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
13238 sysv_varargs_p field of the cfun->machine structure.
13240 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
13242 (rs6000_restore_machine_status): Remove prototype.
13244 2001-01-09 Richard Henderson <rth@redhat.com>
13246 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
13247 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
13248 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
13249 (sched_analyze_2, sched_analyze_insn): Likewise.
13250 (sched_analyze, init_deps): Likewise.
13251 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
13252 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
13253 (compute_block_backward_dependences): Update propagate_deps call.
13255 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
13257 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
13259 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13261 * cppinit.c (OPT_MD, OPT_MMD): Restore.
13262 (cpp_handle_option): Handle them.
13263 (cpp_post_options): Ensure one of -M or -MM is specified with
13264 any other -M? option.
13265 (init_dependency_output): Suppress output with -MG.
13267 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13269 * cpp.texi: Update.
13270 * invoke.texi: Update.
13272 2001-01-09 Bernd Schmidt <bernds@redhat.com>
13274 * sh.md (reload_outsf): Generate recognizable patterns for
13277 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13279 * c-lang.c (lang_hooks): Update.
13280 (lang_init): Rename c_init.
13281 (lang_finish): Remove.
13282 * toplev.c (compile_file): Use lang_hooks for lang_init ()
13283 and lang_finish ().
13284 * toplev.h (lang_hooks): Add init () and finish ().
13285 * tree.h (lang_init, lang_finish): Remove.
13286 * cp/tree.h (lang_init, lang_finish): Remove.
13287 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
13288 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
13290 (lang_init, lang_finish): Remove.
13291 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
13292 (lang_hooks): Update.
13293 * java/lang.c (lang_init): Rename java_init.
13294 (lang_finish): Remove.
13295 (lang_hooks): Update.
13296 * objc/objc-act.c (lang_init): Rename objc_init.
13297 (lang_finish): Remove.
13298 (lang_hoooks): Update.
13300 20001-01-09 Graham Stott <grahams@redhat.com>
13302 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
13303 after `ptr` is initialised.
13305 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13307 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
13308 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
13309 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
13310 stack adjusts, instead of r3.
13312 2001-01-09 Michael Hayes <mhayes@redhat.com>
13314 * flow.c (flow_loop_scan): Break out of ...
13315 (flow_loops_find) ... here.
13316 * basic-block.h (flow_loop_scan): New.
13317 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
13318 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
13320 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13322 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
13324 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
13325 realloc()ing macro_buffer.
13327 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
13328 if it's wider than long and the target's long is wider than the
13331 2001-01-09 Mark Mitchell <mark@codesourcery.com>
13333 Remove support for using UWIN as a host machine.
13334 * configure.in: Issue an error message.
13335 * configure: Regenerated.
13336 * config.gcc: Remove xm_* UWIN configury.
13337 * config/i386/xm-uwin.h: Remove.
13339 2001-01-08 Nick Clifton <nickc@redhat.com>
13341 * config/v850/v850.c (ra_rtx): Delete.
13342 (v850_save_machine_status): Delete.
13343 (v850_restore_machine_status): Delete.
13344 (v850_init_machine_status): New function.
13345 (v850_mark_machine_status): New function.
13346 (v850_free_machine_status): New function.
13347 (v850_return_addr): Use ra_rtx field in machine structure.
13348 (v850_init_expanders): Use new functions.
13350 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
13351 * config/v850/v850.c: Change arguments to v850_output+* functions
13352 to take a const char *, to avoid compile time warning.
13353 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
13354 (USER_LABEL_PREFIX): Redefine.
13356 2000-01-08 Jim Wilson <wilson@redhat.com>
13358 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
13359 1 to unsigned HOST_WIDE_INT before left shift.
13361 2001-01-08 Nick Clifton <nickc@redhat.com>
13363 * config/arm/arm.c (arm_mark_machine_status): Check to see if
13364 the machine structure has been allocated.
13365 (arm_free_machine_status): New function: Free the machine
13366 specific function structure.
13368 2001-01-08 Richard Henderson <rth@redhat.com>
13370 * jump.c (simplejump_p): Revert last change.
13372 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
13374 * cppinit.c (init): Rename init_library.
13375 (cpp_create_reader): Update.
13376 * gcc.c (cpp_options): If -o given, use it as the target of
13379 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13381 * arm.c (arm_arch5e): New variable.
13382 (all_cores): XScale is a 5TE device.
13383 (arm_override_options): Set arm_arch5e.
13384 (arm_init_builtins): __builtin_prefetch is in arch5e.
13385 * arm.h (arm_arch5e): Declare it.
13387 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
13389 * arm.md (define_constants): Add defines for UNSPEC and
13390 UNSPEC_VOLATILE insns. Update all users.
13391 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
13392 * arm.c (multi_register_push, note_invalid_constants)
13393 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
13394 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
13395 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
13397 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
13399 * jump.c (jump_optimize_1): Use reversed_comparison_code
13400 instead of can_reverse_comparison_p.
13401 (jump_back_p): Likewise.
13402 (invert_exp_1): Likewise.
13403 (thread_jumps): Likewise.
13404 * simplify-rtx.c (simplify_unary_operation): Likewise.
13405 (simplify_ternary_operation): Likewise.
13406 * cse.c (find_comparison_args): Convert to use
13407 can_reverse_comparison_p.
13408 (record_jump_equiv): Likewise.
13410 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13412 * arm.h (HARD_REGNO_RENAME_OK): Delete.
13413 (EPILOGUE_USES): Define.
13414 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
13415 automatically stack the LR if it isn't live.
13417 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
13419 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
13422 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
13424 * ggc-page.c (max_alignment): New structure.
13425 (MAX_ALIGNMENT): New macro.
13426 (init_ggc): Use it to round up the sizes in the
13427 extra_order_size_table.
13429 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13431 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
13434 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13436 * builtins.def (BUILT_IN_FPRINTF): New entry.
13438 * c-common.c (c_expand_builtin_fprintf): New function.
13439 (init_function_format_info): Handle __builtin_fprintf.
13440 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
13441 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
13443 * c-decl.c (duplicate_decls): Adjust comment.
13445 * extend.texi (fprintf): Document new builtin.
13447 2001-01-07 Richard Henderson <rth@redhat.com>
13449 * jump.c (simplejump_p): Recognize any single_set jump
13450 of the proper form.
13452 2001-01-07 Richard Henderson <rth@redhat.com>
13454 * configure.in (slibdir): Accept an --with-slibdir option.
13455 Use "test" not "[" in configure. Default to $(libdir).
13457 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
13459 * config/t-aix43 (SHLIB_INSTALL): Likewise.
13460 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
13461 (SHLIB_LINK): Create links for the soname.
13462 * config/mips/t-iris6: Likewise.
13463 * config/sparc/t-slibgcc: Likewise.
13464 * config/sparc/t-slibgcc-sld: Likewise.
13466 2001-01-07 Jakub Jelinek <jakub@redhat.com>
13468 * config/i386/i386.c (constant_call_address_operand): Accept
13469 (const (plus (symbol_ref) (const_int))).
13470 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
13471 constant_call_address_operand.
13473 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13475 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
13476 and LONG_LONG_TYPE_SIZE > 32.
13478 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13480 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
13481 the previous change.
13483 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
13485 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
13487 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
13488 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
13489 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
13492 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13494 * fix-header.c (read_scan_file): s/pfile/scan_in/.
13496 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13498 * c-lang.c (c_post_options): Call cpp_post_options.
13499 * objc/objc-act.c (objc_post_options): Similarly.
13500 * cppmain.c (main): Similarly.
13501 * fix-header.c (read_scan_file): Similarly.
13502 * cppinit.c (cpp_start_read): Move option consistency checks
13503 to cpp_post_options. Don't call init_dependency_output.
13504 If needed, add default target and main file dependency.
13505 (OPT_MD, OPT_MMD): Remove.
13507 (cpp_handle_option): Update for OPT_* changes.
13508 (cpp_post_options): New.
13509 (init_dependency_output): Command line -MF overrides environment
13510 variables. Don't set default target etc. Suppress output
13511 if dependencies are going to stdout.
13512 (print_help): Update.
13513 * cpplib.h (cpp_post_options): New.
13514 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
13516 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
13518 * jump.c (comparison_dominates_p): Support unordered compares.
13520 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
13522 * simplify-rtx.c (simplify_relational_operation): Always simplify
13523 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
13526 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
13528 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
13529 (nonzero_bits): Likewise.
13530 (simplify_comparison): Likewise.
13531 (num_sign_bit_copies): Likewise; return more sane value depending
13532 on STORE_FLAG_VALUE.
13533 (known_cond): Do not assume EQ to be always true for equivalent
13536 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
13538 * cse.c (fold_rtx): Handle unordered comparisons.
13540 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
13542 * rtlanal.c (set_of_1): New static function.
13543 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
13544 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
13545 reg_set_last_last_regno): Remove.
13546 (set_of): New global function.
13547 (set_of_data): New structure.
13548 (reg_set_p, reg_set_last): Revamp for set_of.
13549 * rtl.h (set_of): New.
13551 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
13553 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
13554 * extend.texi: Document _Exit builtin.
13556 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13558 * (initialize, initialize_builtins,
13559 initialize_dependency_output, initialize_standard_includes):
13560 Rename s/initialize/init. Update.
13561 (init_dependency_output): Move to after
13562 cpp_handle_options, the correct location temporally at least.
13563 (opt_comp): Move next to init (), its caller. Fix prototype.
13564 (init): Make "initialized" local scope.
13565 (cpp_create_reader): Always call init ().
13566 (cpp_start_read): Update.
13567 (output_deps): New function, broken out of cpp_finish.
13568 (cpp_finish): Break out output_deps.
13570 2001-01-07 Richard Henderson <rth@redhat.com>
13572 * collect2.c (COFF specific stuff): Revert 12-06 patch
13573 to prototype system functions.
13575 2001-01-07 Michael Hayes <mhayes@redhat.com>
13577 * hard-reg-set.h: Add multiple include guard.
13578 * basic-block.h (struct loop): Add `sink' field.
13579 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13580 (emit_iv_add_mult): Delete.
13581 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13582 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13583 (unroll_loop): Remove end_insert_before argument.
13584 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13585 (maybe_eliminate_biv_1): Likewise.
13586 (emit_iv_add_mult): Delete.
13587 (gen_add_mult, loop_regs_update): New.
13588 (loop_insn_emit_after, loop_insn_emit_before): New.
13589 (loop_insn_sink, loop_insn_sink_or_swim): New.
13590 (emit_iv_add_mult): Delete.
13591 (scan_loop): Set loop->sink.
13592 (loop_givs_reduce): Use loop_insn_sink and its ilk.
13593 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13594 (maybe_eliminate_biv_1): Likewise.
13595 (maybe_eliminate_biv_1): Add basic block argument.
13596 * unroll.c (unroll_loop): Remove end_insert_before argument.
13597 (find_splittable_regs): Likewise.
13598 (find_splittable_regs): Use loop_insn_sink and its ilk.
13599 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13601 2001-01-07 Michael Hayes <mhayes@redhat.com>
13603 * loop.h (loop_insn_hoist): New prototype.
13604 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13605 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13606 (check_dbra_loop, load_mems): Likewise.
13607 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13608 (find_splittable_givs): Likewise.
13610 2001-01-07 Michael Hayes <mhayes@redhat.com>
13612 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13614 2001-01-07 Richard Henderson <rth@redhat.com>
13616 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13618 2001-01-07 Richard Henderson <rth@redhat.com>
13620 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13621 NO_SHARED_LIBGCC_MULTILIB as required for the target.
13622 * gcc.c (init_spec): Massage the existing libgcc_spec into a
13623 variant that handles a shared libgcc.
13624 (process_command): Always validate -{static,shared}-libgcc.
13625 (do_spec_1): New 'M' case.
13626 * invoke.text (Link Options): Document -{static,shared}-libgcc.
13628 2001-01-07 Richard Henderson <rth@redhat.com>
13630 * Makefile.in (slibdir): New variable.
13631 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13632 (installdirs): Create slibdir.
13633 (install-libgcc, install-multilib): Defer to libgcc.mk.
13634 * configure.in (slibdir): Substitute.
13635 * mklibgcc.in (install): New target.
13637 * config/t-linux (SHLIB_LINK): Create links for the soname.
13638 (SHLIB_INSTALL): New.
13639 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13640 * config/mips/t-iris6 (SHLIB_INSTALL): New.
13641 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13642 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13643 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13645 2001-01-07 Richard Henderson <rth@redhat.com>
13647 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13648 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13649 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13651 2001-01-07 Michael Hayes <mhayes@redhat.com>
13653 * loop.c (count_loop_regs_set): Delete.
13654 (load_mems_and_recount_loop_regs_set): Delete.
13655 (loop_regs_scan): Merge common code from count_loop_regs_set,
13656 scan_loop, and load_mems_and_recount_loop_regs_set.
13657 (scan_loop): Call load_mems directly and loop_regs_scan
13658 again if new registers created.
13660 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13662 * toplev.c (main): Call the front-end specific post_options
13663 hook if one is given.
13664 * toplev.h (struct_lang_hooks, lang_hooks): New.
13665 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13666 for the C front end.
13667 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13668 lang_hooks for the C++ front end.
13669 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13670 lang_hooks for the ObjC front end.
13671 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13672 * java/lang.c (lang_hooks): Hooks for the Java front end.
13674 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13676 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13677 for verbose DWARF[2] debugging.
13678 (cb_define, cb_undef): The new callbacks.
13679 * toplev.h (debug_define, debug_undef): Make const correct.
13680 * toplev.c (debug_define, debug_undef): Similarly. Do not
13681 perform the verbosity tests here anymore.
13683 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13685 * reload.c (subst_reloads): Take INSN argument. When
13686 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13687 * reload.h (subst_reloads): Adjust prototype.
13688 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13689 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13690 present in JUMP_INSNs and copy them to JUMP_LABEL.
13691 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13692 JUMP_INSNs and insns with REG_LABELs that are followed by
13693 JUMP_INSNs with the same REG_LABEL.
13694 * sched-rgn.c (is_cfg_nonregular): Likewise.
13695 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13697 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13699 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13701 2001-01-06 Richard Henderson <rth@redhat.com>
13703 * loop.c (scan_loop): Use xcalloc for the regs array.
13704 (load_mems_and_recount_loop_regs_set): Zero the new memory
13705 received from xrealloc.
13707 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13709 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13711 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13713 * integrate.c (copy_rtx_and_substitute): When copying
13714 an ignored return value, strip REG_FUNCTION_VALUE_P.
13716 2001-01-06 Michael Hayes <mhayes@redhat.com>
13718 * loop.c (debug_biv, debug_giv): New.
13719 (loop_biv_dump): Break out from ...
13720 (record_biv): ... here.
13721 (loop_giv_dump): Break out from ...
13722 (record_giv): ... here.
13723 (loop_bivs_check): Use print_simple_rtl.
13724 * unroll.c (loop_iterations): Use print_simple_rtl.
13726 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13728 * pa.md (return, return_internal): Modify patterns to prevent regrename
13729 mucking with the return pointer.
13731 2001-01-05 Richard Henderson <rth@redhat.com>
13733 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13735 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13737 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13738 version supplied by Matteo Frigo.
13740 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13742 * cpp.texi: Update for -MQ.
13743 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13744 (cpp_cleanup): Always free pfile->deps.
13745 (initialize_dependency_output): Don't create pfile->deps.
13746 (cpp_handle_option): Similarly.
13748 * gcc.c (cpp_options): Handle -MQ.
13749 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13750 * mkdeps.c (base_name): Remove.
13751 (deps_init): Don't allocate vector space until it's needed.
13752 (deps_free): Only free vectors if allocated.
13753 (deps_add_target, deps_add_dep): Update for initial allocation.
13754 (deps_add_default_target): Don't strip to the base_name.
13756 2001-01-05 DJ Delorie <dj@redhat.com>
13758 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13759 (INIT_EXPANDERS): Define.
13761 * config/v850/v850.c (struct machine_function): Define.
13762 (v850_save_machine_status): New function.
13763 (v850_restore_machine_status): New function.
13764 (v850_return_addr): New function.
13765 (v850_init_expanders): New function.
13767 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13768 and v850_init_expanders.
13770 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13772 * cpplib.h (struct cpp_reader): Add help_only field.
13773 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13774 (cpp_handle_option): Set pfile->help_only if we see -h,
13775 --help, -target-help, or --version. Print version string but
13776 do not set help_only if we see -v or -version. Make text
13777 printed by -v match that printed by (-)-version.
13779 * cppmain.c (main): Exit after option parsing if
13780 pfile->help_only is true.
13782 * toplev.c (independent_decode_option): Call print_version,
13783 then exit, if we see --version (but not -version).
13784 (print_version): Split lengthy message into two lines.
13786 2001-01-05 Nick Clifton <nickc@redhat.com>
13788 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13789 temporary string for initialisation before calling ggc_alloc_string.
13791 2001-01-06 Michael Hayes <mhayes@redhat.com>
13793 * rtl.h (print_simple_rtl): New.
13794 * print-rtl.c (print_simple_rtl): New.
13795 (flag_simple): New.
13796 (print_rtx): Disable printing of flags and modes, etc.,
13797 if `flag_simple` nonzero.
13799 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13801 * function.c (fixup_var_refs): Use push_to_full_sequence where
13804 2001-01-05 Michael Meissner <meissner@redhat.com>
13806 * flags.h (flag_reorder_blocks): Add declaration.
13807 (flag_rename_block): Ditto.
13809 2001-01-05 DJ Delorie <dj@redhat.com>
13811 * function.c (reorder_blocks): Make sure the flags are all reset
13812 before using them to mark blocks, else a second invocation will
13813 corrupt the block chain.
13814 (reorder_blocks_0): New, resets the flags.
13816 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13818 * cse.c (find_comparison_args): Stop if the argument is known to
13821 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13823 * config/sh/sh.md (movdf): When splitting load into pair of
13824 registers, don't clobber the register used in the address too
13827 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13829 * varasm.c (mark_constant_pool): Improve initial comments.
13830 (mark_constants): Move marking of constants to mark_constant.
13831 (mark_constant): New function to recursively mark all constants
13832 referred to by a constant.
13834 2001-01-05 Catherine Moore <clm@redhat.com>
13836 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13838 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13840 * cp/lang-options.h: Bring comment in line with reality.
13841 * f/lang-options.h: Likewise.
13842 * java/lang-options.h: Likewise.
13843 * objc/lang-options.h: Likewise.
13844 * ch/lang-options.h: Likewise.
13845 * f/g77.texi: And update the manual.
13847 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13848 Denis Chertykov <denisc@overta.ru>
13850 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13851 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13852 * config/avr/avr.md (all peepholes that request a scratch register):
13853 Call it, FAIL the peephole if not safe (in interrupt functions).
13855 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13857 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13859 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13861 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13863 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13864 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13865 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13866 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13867 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13869 * extend.texi: Document these builtins.
13871 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13873 * c-common.c (lang_get_alias_set): Say we know nothing of
13874 VECTOR_TYPE aliasing.
13876 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13878 2001-01-05 Bruce Korb <bkorb@gnu.org>
13880 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13881 their x* equivalent versions for atexit-less systems
13882 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13883 systems (or any other system any more).
13885 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13887 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13888 output operands. Use arm_hard_register_operand for operand 4.
13889 (stmsi_postinc): Similarly.
13890 (ldmsi): Use arm_hard_register_operand for opernand 2.
13891 (stmsi): Similarly.
13892 * arm.c (arm_hard_register_operand): New function.
13893 * arm-protos.h (arm_hard_register_operand): Prototype it.
13895 * arm.h (HARD_REGNO_RENAME_OK): Define.
13897 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13899 * simplify-rtx.c (cfc_args): add "unordered" field.
13900 (check_fold_consts): Set unordered field.
13901 (simplify_relational_operation): Simplify the unordered
13904 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13907 * emit-rtl.c (try_split): Fix code to mark labels.
13908 * jump.c (mark_jump_label): Make global.
13909 * rtl.h (mark_jump_label): Declare.
13911 * predict.c (estimate_probability): Handle unordred comparisons.
13913 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13915 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13916 * cppinit.c (initialize_dependency_output): Update.
13917 (cpp_finish): Output dummy targets for -MP.
13919 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13920 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13921 * gcc.c (cpp_options): Update to handle -MP.
13922 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13923 to quote only the default target.
13924 (deps_phony_targets): Insert a preceding newline. Rename from
13925 deps_dummy_targets for consistency.
13928 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13930 * calls.c (emit_library_call_value_1): Support
13931 INIT_CUMULATIVE_LIBCALL_ARGS.
13932 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13934 2001-01-04 Richard Henderson <rth@redhat.com>
13936 * c-decl.c (finish_struct): Detect flexible array members
13937 used in an inappropriate context.
13938 * c-typeck.c (really_start_incremental_init): Special case
13939 constructor_max_index for zero length arrays.
13940 (pop_init_level): Allow initialization of flexible array
13941 members. Deprecate initialization of zero length arrays.
13942 Don't issue missing initializer warning for flexible array
13943 members or zero length arrays.
13944 (process_init_element): Don't dereference null DECL_SIZE.
13945 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13946 Don't abort for empty constructors. Use size_binop
13947 (output_constructor): Add commentary regarding zero length
13948 array futures. Abort if we try to initialize an array of
13949 unspecified length with a non-empty constructor in the middle
13952 * extend.texi (Zero Length): Update and clarify documentation
13953 on static initialization.
13955 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13957 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13958 with more than 32767 words of local storage.
13960 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13962 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13963 for 'abs', 'labs', and 'fabs'.
13964 (c4x_expand_builtin): Likewise.
13965 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13967 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13969 * config/sh/sh.md (prget, prset): New insn types.
13970 (return delay slot): Dont' allow prset.
13971 (call, sfunc delay slot): Don't allow prget.
13972 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13973 for prset and prget.
13975 2001-01-05 Michael Hayes <mhayes@redhat.com>
13977 * loop.h (struct loop_reg): New.
13978 (struct loop_regs): Change to use array of `struct loop_reg'.
13979 * loop.c: Replace assortment of varrays with single regs array.
13980 (count_one_set): Delete may_not_move array argument
13981 and use regs array instead. All caller's changed.
13982 (count_loop_regs_set): Delete may_not_move and single_usage
13983 arguments and use regs array instead. All caller's changed.
13984 (find_single_use_in_loop): Replace usage array argument with pointer
13985 to regs structure. All caller's changed.
13986 (loop_optimize): Delete `moved_once' array.
13988 2001-01-05 Michael Hayes <mhayes@redhat.com>
13990 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13991 Use it instead of loop_info->has_call for scanning loop mems.
13992 (check_dbra_loop): Replace loop_info->has_call test with
13993 loop_info->has_nonconst_call.
13995 2000-01-04 Matthew Hiller <hiller@redhat.com>
13997 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
14000 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
14002 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
14003 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
14005 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
14007 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
14008 (flag_short_double, flag_short_wchar): Define.
14009 (c_common_nodes_and_builtins): Create many tree nodes shared
14010 between C and C++ here instead of in cp/decl.c and ...
14011 * c-decl.c (init_decl_processing): ... here.
14012 (SIZE_TYPE, WCHAR_TYPE): Don't define.
14013 (flag_short_double, flag_short_wchar): Don't define.
14014 (record_builtin_type): New function.
14015 (build_void_list_node): New function.
14016 * c-common.h (flag_short_double, flag_short_wchar,
14017 record_builtin_type, build_void_list_node): Declare.
14019 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
14021 * integrate.c (expand_inline_function): Don't put a virtual
14022 register into the reg map.
14024 * function.c (fixup_var_refs_1): If force_operand didn't put
14025 the address into the target, move it there.
14027 2001-01-04 Mark Mitchell <mark@codesourcery.com>
14029 Special-case tree_decl/tree_list allocations.
14030 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
14031 (OBJECT_SIZE): New macro.
14032 (NUM_EXTRA_ORDER): Likewise.
14033 (extra_order_size_table): New variable.
14034 (NUM_ORDERS): New macro.
14035 (objects_per_page_table): New variable.
14036 (object_size_table): New variable.
14037 (G.pages): Use NUM_ORDERS to bound the array.
14038 (G.page_tails): Likewise.
14039 (DIV_ROUND_UP): Remove.
14040 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
14041 (alloc_page): Use OBJECT_SIZE.
14042 (size_lookup): Don't make it const.
14043 (ggc_alloc): Use OBJECT_SIZE.
14044 (ggc_set_mark): Likewise.
14045 (ggc_get_size): Likewise.
14046 (init_ggc): Set up the object_size_table, objects_per_page_table,
14047 and adjust size_lookup.
14048 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
14049 (ggc_pop_context): Use NUM_ORDERS.
14050 (clear_marks): Likewise.
14051 (sweep_pages): Likewise.
14052 (poison_pages): Likewise.
14053 (ggc_print_statistics): Use OBJECT_SIZE.
14055 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14057 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
14058 Only call array_size_for_constructor if last field and array type
14059 with no upper bound.
14061 2001-01-04 Philip Blundell <philb@gnu.org>
14063 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
14064 from bit 31 downwards, if this requires no more insns.
14065 (count_insns_for_constant): New helper function for above.
14067 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
14069 * gencodes.c (output_predicate_decls): Remove empty initializer.
14071 2001-01-04 Mark Mitchell <mark@codesourcery.com>
14073 * tree.c (copy_node): Remove documentation about obstacks.
14074 (buidl1): Check that nobody tries to build 2-argument nodes this
14077 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14079 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
14082 * gencodes.c (output_predicate_decls): Fill empty initializer
14085 2001-01-04 Jakub Jelinek <jakub@redhat.com>
14087 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
14088 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
14090 (do_include): Handle missing headers like cpp0.
14091 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
14092 paths with first include pathname. Don't strcat to uninitialized
14095 2001-01-04 Bernd Schmidt <bernds@redhat.com>
14097 * regrename.c (regrename_optimize): Don't rename from frame pointer
14098 if frame_pointer_needed.
14099 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
14100 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
14101 (ia64_reorg): Use it instead of scheduling if ! optimize.
14102 (errata_emit_nops): Properly call asm_noperands.
14103 (ia64_sched_reorder): Finish cycle if we see an asm.
14104 (ia64_variable_issue): Clear scheduling state after asms.
14106 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
14108 * cpp.texi: Update for -MT.
14109 * cppinit.c (initialize_dependency_output): Add a default
14110 target if none has been given already.
14111 (no_tgt, OPT_MT): New.
14112 (cpp_handle_option): Handle -MT. Update -M etc.
14113 * cpplib.h (struct cpp_options): Remove deps_target.
14114 * gcc.c (cpp_options): Handle -MT.
14115 * mkdeps.c (struct deps): Move from mkdeps.h.
14116 (deps_calc_target): Rename deps_add_default_target. Add a
14117 default target if none has been specified already.
14118 * mkdeps.h (struct deps): Move to mkdeps.c.
14119 (deps_calc_target): Rename deps_add_default_target.
14121 2000-01-03 Richard Henderson <rth@redhat.com>
14123 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
14125 * c-typeck.c (push_init_level): Move checks for flexible array
14126 members and zero length arrays ...
14127 (pop_init_level): ... here. Silently discard empty initializations.
14129 * varasm.c (output_constructor): Update for sizeof change to
14130 zero-length arrays.
14132 * extend.texi (Zero Length): Clarify semantics.
14134 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14136 * configure.in (tm.h): Include isns-codes.h last.
14137 * configure: Rebuilt.
14139 2001-01-03 Richard Henderson <rth@redhat.com>
14141 * config/alpha/alpha.md (addvsi3, addvdi3): New.
14142 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
14144 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14146 * tradcpp.c (main): Make sure finclude() is called with a valid
14147 indepth value while handling -include.
14149 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14151 * gencodes.c (output_predicate_decls): New function.
14153 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
14154 even if it is not the first time machmode.h is #included.
14155 * config/sh/sh.c (fpul_operand): Declare MODE argument.
14156 * tm.texi (PREDICATE_CODES): Document predicate declarations.
14157 * gcc.texi (Copyright): Added 2001.
14159 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14161 * c-common.c (c_common_lang_init): New function. Warn if format
14162 warning options which only have effects when used with -Wformat
14163 are used without -Wformat.
14164 * c-common.h (c_common_lang_init): Declare.
14165 * c-lang.c (lang_init): Call c_common_lang_init.
14166 * objc/objc-act.c (lang_init): Call c_common_lang_init.
14168 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14170 * configure.in: Check for the mktemp command.
14171 * configure: Regenerate.
14172 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
14173 $TEMP. Create temporary files with mktemp, if available at
14174 configure time; otherwise use set -C. Remove temporary files
14177 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14179 * configure.in: Require at least texinfo 4.0. Check for whether
14180 Pod::Man is sufficiently recent to regenerate GCC manpages.
14181 * configure: Regenerate.
14182 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
14184 (GENERATED_MANPAGES): Define.
14185 (generated-manpages): New target. Depend on cpp.1 as well as
14187 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
14188 configure to generated-manpages or empty) rather than on the
14189 manpages directly. Remove execute permission from installed
14190 gcov.1 as well as cpp.1.
14191 * cpp.1, gcov.1: Regenerate.
14193 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14195 * builtins.c (expand_builtin_strncmp): Use host_integerp and
14196 tree_low_cst. Allow using cmpstrsi in more cases.
14198 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14200 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
14203 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
14205 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
14206 * Makefile.in (HOST_CFLAGS): Mention build-make.
14208 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14210 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
14213 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14215 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
14218 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
14221 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
14222 reg_base_value and reg_known_value arrays.
14223 (init_alias_analysis): Add more cases to detect known values.
14224 * sched-deps.c (deps_may_trap_p): New function.
14225 (sched_analyze_2): Use it.
14227 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14229 * combine.c (simplify_shift_const): Even if we're sign-extracting,
14230 don't discard an ASHIFTRT if we're shifting in a wider mode.
14232 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
14234 * toplev.c (rest_of_compilation): Don't print basic block information
14235 when CFG isn't up to date.
14237 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
14239 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
14240 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
14241 (UNALIGNED_SHORT_ASM_OP): Define.
14242 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
14244 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14246 * fold-const.c (fold_convert): Fix typo.
14248 2001-01-02 Richard Henderson <rth@redhat.com>
14250 * c-common.h (ASM_INPUT_P): New.
14251 * c-parse.in (asm): Set it when needed.
14252 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
14253 existance of an operand.
14255 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
14257 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
14258 (dwarf2out_frame_debug_expr): Likewise.
14259 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
14261 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
14263 * i386.c (ix86_split_to_parts): Return number of part required;
14265 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
14267 (ix86_split_long_move): Use number of part returned
14268 by ix86_split_to_parts
14269 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
14271 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
14272 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
14273 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
14274 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
14275 (ALIGN_MODE_128): Add TFmode.
14276 (IS_STACK_MODE): Likewise.
14277 (HARD_REGNO_NREGS): TFmode needs 3 registers.
14278 (HARD_REGNO_OK): Support TFmodes.
14279 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
14280 * i386.md (scheduler definitions): Use memory operand to determine
14281 fst/fld instructions; use mode attribute to determine real mode of
14283 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
14284 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
14286 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14288 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
14290 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14292 * expr.c (store_constructor_field): Update ALIGN before calling
14295 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14297 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
14300 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14302 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
14305 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14307 * c-decl.c (start_function): Don't warn on third parameter to main.
14309 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14311 * tsystem.h: Define HAVE_DECL_GETOPT.
14313 2001-01-02 Philip Blundell <pb@futuretv.com>
14315 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
14318 2001-01-02 Richard Henderson <rth@redhat.com>
14320 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
14322 2001-01-02 Andreas Jaeger <aj@suse.de>
14324 * c-decl.c (c_decode_option): Remove support of
14325 -Wmissing-noreturn.
14327 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
14328 (W_options): Add -Wmissing-noreturn here.
14330 * flow.c: Define lang_missing_noreturn_ok_p.
14331 (check_function_return_warnings): Use it.
14333 * c-common.h: Declare lang_missing_noreturn_ok_p.
14335 * c-lang.c (c_missing_noreturn_ok_p): New function.
14336 (lang_init): Set lang_missing_noreturn_ok_p.
14338 * invoke.texi (Warning Options): Document this.
14340 2000-12-27 Phil Edwards <pme@sources.redhat.com>
14342 * extend.texi (C++ Extensions): New node for C++ attributes;
14343 describe init_priority and com_interface.
14344 * invoke.texi: Remove -finit-priority as it now has zero effect.
14345 * install.texi: Fix xref syntax.
14346 * md.texi: Likewise.
14348 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14350 * config.gcc (sparc64-wrs-vxworks*): New case.
14351 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
14353 * config/sparc/sparc.c (sparc_override_options): Do support different
14354 pointer and architecture size.
14355 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
14356 (POINTERS_EXTEND_UNSIGNED): Define.
14357 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
14358 (FUNCTION_MODE): Define to be Pmode.
14359 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
14361 * function.c (expand_function_end): Properly handle DECL_RESULT
14362 and copy when ptr_mode != Pmode.
14363 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
14365 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14367 * c-common.c (c_common_nodes_and_builtins): Set prototype
14368 parameters for __builtin_fputs, __builtin_fputc and
14369 __builtin_fwrite. Don't declare plain fputc as a builtin.
14371 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
14373 * loop.c (add_label_notes): Increment the label usage count when
14374 a note is added to an insn which refers to a CODE_LABEL.
14375 * gcse.c (add_label_notes): Likewise.
14377 2001-01-01 Andreas Jaeger <aj@suse.de>
14379 * loop.c (scan_loop): Use xmalloc to allocate movables.
14381 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
14383 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
14384 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
14385 * reload1.c (REGISTER_MOVE_COST): Likewise.
14386 * regclass.c (REGISTER_MOVE_COST): Likewise.
14387 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
14388 dimension. Adjust all users.
14389 (init_reg_sets_1): Iterate on all modes.
14390 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
14391 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
14392 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
14393 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
14394 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
14395 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
14396 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
14397 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
14398 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
14399 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
14400 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
14401 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
14402 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
14403 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
14404 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
14405 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
14406 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
14407 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
14408 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
14409 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
14410 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
14411 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
14412 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
14413 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
14414 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
14415 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
14416 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
14418 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14420 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
14421 arg VARIES_P. Call it with extra arg.
14422 (true_dependence): Likewise.
14423 * rtl.h (rtx_addr_can_trap_p): Declare.
14424 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
14426 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
14427 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
14428 pic offset table register if it's zero. All callers changed.
14429 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
14431 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14433 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
14434 STRING_POOL_ADDRESS_P.
14436 * config/sparc/sparc.c (input_operand): Properly test for short op.
14438 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
14439 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
14440 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
14441 * config/sparc/elf.h: No longer include sol2.h.
14442 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
14443 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
14445 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
14447 2001-01-01 Michael Hayes <mhayes@redhat.com>
14449 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
14450 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
14451 (record_initial): Likewise.
14452 * unroll.c (copy_loop_body, loop_iterations): Likewise.
14453 (remap_split_bivs): Likewise.
14455 2001-01-01 Michael Hayes <mhayes@redhat.com>
14457 * loop.c (loop_ivs_free): New function.
14458 (strength_reduce): Break out from...
14460 2001-01-01 Michael Hayes <mhayes@redhat.com>
14462 * loop.h (struct iv): New.
14463 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
14464 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
14465 'reg_biv_class' fields with 'regs' and 'n_regs'.
14466 (struct ivs): Rename 'loop_iv_list' field to 'list'.
14467 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
14468 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
14470 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
14472 * resource.c (mark_referenced_resources): Abort() before
14473 attempting to mark a pseudo register.
14474 (mark_set_resources): Likewise.
14476 2001-01-01 Michael Hayes <mhayes@redhat.com>
14478 * loop.h (REG_IV_CLASS): New accessor macro.
14479 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
14480 * unroll.c (REG_IV_CLASS): Likewise.
14482 See ChangeLog.4 for earlier changes.