1 Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com)
3 * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
5 * ssa.h (ssa_eliminate_dead_code): Corresponding changes.
6 * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM.
7 * toplev.c (DFI_ssa_dce): Renamed from DFI_dce.
8 (dump_file_info): Similar changes.
9 (flag_ssa_dce): Similarly
10 (f_options): Similar changes.
11 (rest_of_compilation): Corresponding changes.
12 * doc/invoke.texi: Update as option is now -fssa-dce instead
13 of -fdce. Update dump file name.
15 * ssa-dce.c (note_inherently_necessary_set): New function.
16 (find_inherently_necessary): Use it. Do not consider
17 NOTEs, CODE_LABELs or BARRIERS are necessary. Improve
18 handling of asms and unspecs.
19 (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs.
21 2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk>
23 * target.h (struct gcc_target): Add comp_type_attributes and
24 set_default_type_attributes.
25 * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES,
26 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define.
27 (TARGET_INITIALIZER): Update.
28 * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES,
29 SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
30 Update documentation of old target macros to describe new target
32 * tree.c (make_node): Use target.set_default_type_attributes.
33 (default_comp_type_attributes,
34 default_set_default_type_attributes): New functions.
35 * tree.h (default_comp_type_attributes,
36 default_set_default_type_attributes): Declare.
37 * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define.
38 (comptypes): Use target.comp_type_attributes.
39 * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h
40 (arc_comp_type_attributes, arc_set_default_type_attributes,
41 COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove
42 functions and macros with default behaviour.
43 * config/m32r/m32r-protos.h, config/m32r/m32r.c,
44 config/m32r/m32r.h (m32r_comp_type_attributes,
45 m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
46 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
47 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
48 config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes,
49 m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
50 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
51 * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c,
52 config/ns32k/ns32k.h (ns32k_comp_type_attributes,
53 COMP_TYPE_ATTRIBUTES): Likewise.
54 * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
55 config/rs6000/rs6000.h (rs6000_comp_type_attributes,
56 rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
57 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
58 * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES,
59 SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro
61 * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
62 * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
63 * config/arm/arm.c (arm_comp_type_attributes,
64 arm_set_default_type_attributes): Make static.
65 (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
67 * config/arm/arm.h (COMP_TYPE_ATTRIBUTES,
68 SET_DEFAULT_TYPE_ATTRIBUTES): Don't define.
69 * config/arm/arm-protos.h (arm_comp_type_attributes,
70 arm_set_default_type_attributes): Don't declare.
71 * config/i386/i386.c (ix86_comp_type_attributes): Make static.
72 (TARGET_COMP_TYPE_ATTRIBUTES): Define.
73 * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define.
74 * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't
77 2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl>
79 * predict.c (dump_prediction): Eliminate fprintf warning.
81 2001-06-28 Diego Novillo <dnovillo@redhat.com>
83 * flow.c (dump_bb): Remove unused third argument to call
84 to fprintf when displaying the basic block header.
86 2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
87 Jeff Law <law@redhat.com>
89 * Makefile.in (OBJS): Add df.o
90 (df.o): Add dependencies.
91 * basic-block.h (flow_depth_first_order_compute): Declare.
92 * flow.c (flow_depth_first_order_compute): No longer declare.
94 * df.c, df.h: New files.
96 2001-06-28 Zack Weinberg <zackw@stanford.edu>
98 * config/i386/i386.md: Global update to use new string syntax
99 where it will improve readability. Warning fixes:
100 (*truncdfsf2_2): Abort if which_alternative is not 0 or 1.
101 (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64,
102 *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int.
104 * read-rtl.c: Syntactic sugar for C embedded in strings in
105 machine descriptions.
106 (read_string): Break inner loop into separate function. Takes
107 an int. Dispatch to read_quoted_string or read_braced_string
108 as appropriate. Automatically insert a leading star on braced
109 strings if STAR_IF_BRACED is true.
110 (read_quoted_string, read_braced_string): New functions.
111 * doc/rtl.texi, doc/md.texi: Document new syntax. Update
114 * rtl.c: Split RTL reader (read_rtx, read_skip_spaces,
115 traverse_md_constants, fatal_with_file_and_line,
116 fatal_expected_char, read_name, read_string, def_hash,
117 def_name_eq_p, read_constants, and related data) to its own
118 file. Weed out now-unnecessary #includes.
119 * read-rtl.c: New file.
120 * Makefile.in (HOST_RTL): Add read-rtl.o.
121 (read-rtl.o): New rule.
122 (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies.
123 * doc/gcc.texi (Passes): Talk briefly about the support
124 library used by genfoo.
125 * doc/rtl.texi (Reading RTL): read_rtx is not available in the
128 2001-06-28 Stan Shebs <shebs@apple.com>
130 * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define.
131 * config/darwin-c.c: New file.
132 * config/darwin-protos.h: Declare new functions.
133 * config/rs6000/t-darwin (darwin-c.o): New rule.
134 * config.gcc (powerpc-*-darwin*): Define c_target_objs and
136 * doc/extend.texi (Pragmas): New section.
138 Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz>
140 * flow.c (try_merge_block): Rename to try_optimize_cfg;
141 do basic simplifications on the CFG.
142 (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
143 try_simplify_condjump): New.
144 (redirect_edge_and_branch): Try replace jump insn.
145 (flow_delete_insn): Handle deleting of ADDR_VEC insns.
147 * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.
149 Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com)
151 * ssa-dce.c (eliminate_dead_code): Properly handle control
152 dependencies implied by PHI nodes.
154 * ssa-dce.c (eliminate_dead_code): Remove fake edges from the
155 CFG after dead code elimination is complete.
157 2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
159 * gthr-posix.h [LIBOBJC]: Add weak definitions of
160 sched_get_priority_max, sched_get_priority_min.
162 2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com>
164 * diagnostic.c (default_print_error_function): Tweak.
165 (report_error_function): Likewise.
166 * toplev.h (default_print_error_function): Move to...
167 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
168 * tree.h (print_error_function): Move to...
169 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
171 Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
173 * expr.c (expand_assignment): When have varying-length object,
175 (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting
176 SAVE_EXPR stack in case we had a SUBREG.
178 Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz>
180 * i386.md (cmp?i): Simplify; refuse immediate operand
182 * i386.c (cmpsi_operand): Refuse constants.
184 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
186 * flow.c (block_label, redirect_edge_and_branch): Split out from ....
187 (split_edge) .... here;
189 2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk>
191 * i386/i386.c (ix86_valid_type_attribute_p): Give external
192 linkage, move declaration to...
193 * i386/i386-protos.h: ...here.
195 2001-06-27 H.J. Lu (hjl@gnu.org)
197 * build-make (CC): Removed.
198 (HOST_CC): Set to $(CC_FOR_BUILD).
199 (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD).
200 Fix a typo in comments.
202 * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when
203 generating auto-build.h for canadian cross compile. Set CC
204 to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'.
206 * configure: Regenerated.
208 2001-06-27 Jim Wilson <wilson@redhat.com>
210 * emit-rtl.c (gen_highpart): Call validize_mem.
212 2001-06-27 Bruce Korb <bkorb@gnu.org>
214 * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
215 hpux10_cpp_pow_inline. Not similar enough.
216 (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for
217 all Solaris versions. This fix patches MUTEX and COND initializers,
218 the RWLOCK one will wait for someone to complain. For now, anyway.
219 (uw7_byteorder_fix): It was looking for the byteorder.h file in the
222 2001-06-27 Stan Shebs <shebs@apple.com>
224 * objc/objc-act.c (handle_impent): Rewrite to be more portable
225 and to use ASM_DECLARE_CLASS_REFERENCE.
226 * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
227 undocumented DECLARE_CLASS_REFERENCE, add file argument.
228 * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
230 Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com)
232 * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
233 by putting complex operands first and constants second.
235 2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com>
237 * diagnostic.h: Add documentation. Make macros polymorphic.
238 * diagnostic.c (ideal_line_wrap_cutoff): Remove
239 definition. Replace with diagnostic_line_cutoff.
240 (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule.
242 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
244 * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
245 doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
246 doc/gcov.texi, doc/install-old.texi, doc/install.texi,
247 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
248 . at end of sentences preceded by a capital letter with @..
250 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
252 * doc/invoke.texi: Add description of max-gcse-passes param.
254 * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES.
255 (MAX_PASSES): Remove now unneeded macro.
257 * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of
258 max-gcse-passes param.
260 * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling
261 maximum number of GCSE passes to run. Defaults to 1 (which is what
262 MAX_PASSES in gcse.c used to be).
264 2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk>
266 * system.h (TARGET_ESC): Move to ...
267 * defaults.h (TARGET_ESC): ... here.
268 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
269 TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler.
270 * tree.c (default_valid_attribute_p): New.
271 (valid_machine_attribute): Handlers can not be NULL.
272 * tree.h (default_valid_attribute_p): New.
273 * doc/tm.texi: Document TARGET_ESC.
274 * cp/decl2.c (import_export_class): Update.
276 2001-06-26 Bruce Korb <bkorb@gnu.org>
278 * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot
279 use preprocessing directives inside a string literal. Fixed.
281 2001-06-26 Jim Wilson <wilson@redhat.com>
283 * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT):
286 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
288 * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
289 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
290 doc/tm.texi: Use @: where necessary when a full stop does not end
293 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
295 * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
298 2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
300 * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
301 doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
302 doc/tm.texi: Use two spaces after ends of sentences.
304 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
306 * toplev.c (display_help): Fix param thinko.
307 * Makefile.in: Fix params.h dependencies.
309 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
311 * toplev.c (decode_f_option): Adjust setting.
312 (toplev_main): Call diagnostic_initialize. Remove call to
313 reshape_diagnostic_buffer._
315 * diagnostic.h (struct output_buffer): Add new field format_decoder.
316 (diagnostic_format_decoder): New macro.
317 (diagnostic_prefixing_rule): Likewise.
318 (diagnostic_line_cutoff): Likewise.
319 (set_message_prefixing_rule): Remove.
321 * diagnostic.c (lang_printer): Remove.
322 (diagnostic_message_length_per_line): Likewise.
323 (current_prefixing_rule): Likewise.
324 (initialize_diagnostics): Rename to...
325 (diagnostic_initialize): ...this. Tweak.
326 (default_initialize_buffer): Remove.
327 (reshape_diagnostic_buffer): Likewise.
328 (init_output_buffer): Adjust prefixing rule setting.
329 (output_format): Use format_decoder from the output_buffer.
331 * c-lang.c (c_init): Adjust tree formatter setting.
333 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
335 * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
337 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
339 * Makefile.in (TARGET_H, TARGET_DEF_H): New.
340 (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update.
341 * c-decl.c (duplicate_decls): Use function pointer.
342 * c-typeck.c (common_type): Similarly.
343 * tree.c (valid_machine_attribute): Similarly.
344 (merge_machine_type_attributes): Rename merge_type_attributes.
345 (merge_machine_decl_attributes): Rename merge_decl_attributes.
346 (merge_dllimport_decl_attributes): New function.
347 * tree.h (merge_machine_type_attributes): Rename merge_type_attributes.
348 (merge_machine_decl_attributes): Rename merge_decl_attributes.
349 (merge_dllimport_decl_attributes): New prototype.
354 * doc/gcc.texi, doc/tm.texi: Update documentation.
356 cp: Make-lang.in: Update dependencies.
357 * spew.c: Include target.h.
358 (duplicate_decls): Call target function.
359 * decl2.c: include target.h
360 (import_export_class): Use existence of target function pointer.
361 * typeck.c: Include target.h.
362 (qualify_type_recursive): Rename variable. Call target function.
363 (type_after_usual_arithmetic_conversions): Similarly.
364 (common_type): Similarly.
366 config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
367 avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c,
368 d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c,
369 i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c,
370 m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c,
371 mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c,
372 pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c,
373 sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c)
374 : Include target.h and target-def.h. Define target.
376 * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove.
377 * arc/arc.c (arc_valid_machine_decl_attribute): Rename
378 arc_valid_decl_attribute, make static.
379 * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
380 * arm/arm-protos.h (arm_valid_machine_decl_attribute,
381 arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute,
382 arm_pe_merge_machine_decl_attributes): Remove.
383 * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename
384 arm_valid_decl_attribute_p, make static.
385 (arm_pe_valid_decl_attribute_p): Move from pe.c.
386 * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c.
387 (arm_pe_merge_machine_decl_attributes): Move to tree.c.
388 * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
389 * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
390 * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
391 * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New.
392 (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove.
393 * avr/avr-protos.h (valid_machine_type_attribute,
394 valid_machine_decl_attribute): Remove.
395 * avr/avr.c (valid_machine_type_attribute,
396 valid_machine_decl_attribute): Rename and make static.
397 * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE,
398 VALID_MACHINE_DECL_ATTRIBUTE): Remove.
399 * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove.
400 * c4x/c4x.c (c4x_valid_type_attribute_p): Make static.
401 * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
402 * d30v/d30v.h: Remove obsolete comments.
403 * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove.
404 * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make
406 * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
407 * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
408 (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES,
409 i386_pe_valid_type_attributes_p): Remove.
410 * i386/i386-protos.h (ix86_valid_decl_attribute_p,
411 ix86_valid_type_attribute_p): Remove.
412 * i386/i386.c (ix86_valid_decl_attribute_p): Remove.
413 (ix86_valid_type_attribute_p): Make static.
414 * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE,
415 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
416 * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c.
417 * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove.
418 * ia64/ia64.c (ia64_valid_type_attribute): Make static.
419 * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
420 * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove.
421 * m32r/m32r.c (m32r_valid_decl_attribute): Make static.
422 * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
423 * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p,
424 m68hc11_valid_type_attribute_p): Remove.
425 * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove.
426 (m68hc11_valid_type_attribute_p): Make static.
427 * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE,
428 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
429 * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute,
430 mcore_merge_machine_decl_attribute): Remove.
431 * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename,
433 (mcore_merge_machine_decl_attributes): Move to tree.c.
434 * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE,
435 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
436 (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
437 * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p,
438 ns32k_valid_type_attribute_p): Remove.
439 * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove.
440 (ns32k_valid_type_attribute_p): Make static.
441 * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE,
442 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
443 * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p,
444 rs6000_valid_type_attribute_p): Remove.
445 * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove.
446 (rs6000_valid_type_attribute_p): Make static.
447 * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE,
448 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
449 * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove.
450 * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static.
451 * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
452 * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove.
453 * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static.
454 * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
456 2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
458 * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold
461 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
463 * diagnostic.h (struct diagnostic_context): Add new field.
464 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
466 (global_dc): Declare.
467 * diagnostic.c (global_diagnostic_context): New variable.
468 (global_output_buffer): Remove.
470 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
472 (initialize_diagnostics): Adjust initialization.
473 (set_diagnostic_context): Adjust setting.
475 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
477 * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
478 UNALIGNED_SHORT_ASM_OP): Define.
479 * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
480 UNALIGNED_SHORT_ASM_OP): Undef.
482 Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
484 * i386.md (float_truncate splitter, and to mov splitters): Add
485 reload_completed; fix operand predicate.
487 * haifa-sched.c (sched_init): Do not split insns.
488 * toplev.c (rest_of_compilation): Call split_all_insns before
489 sched1 pass; simplify condition of post-reload splitter;
490 call split_all_insn before sched2 pass.
492 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
494 * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
495 (set_message_prefixing_rule): Adjust prototype.
496 * diagnostic.c (current_prefixing_rule): Adjust type.
498 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
500 * defaults.h: Default escape sequences to ASCII.
501 * config/i370/i370.h: Adjust for ASCII default.
502 * config/1750a/1750a.h: Remove escape sequence definitions.
503 * config/a29k/a29k.h: Similarly.
504 * config/alpha/alpha.h: Similarly.
505 * config/arc/arc.h: Similarly.
506 * config/arm/arm.h: Similarly.
507 * config/avr/avr.h: Similarly.
508 * config/c4x/c4x.h: Similarly.
509 * config/clipper/clipper.h: Similarly.
510 * config/convex/convex.h: Similarly.
511 * config/d30v/d30v.h: Similarly.
512 * config/dsp16xx/dsp16xx.h: Similarly.
513 * config/elxsi/elxsi.h: Similarly.
514 * config/fr30/fr30.h: Similarly.
515 * config/h8300/h8300.h: Similarly.
516 * config/i386/i386.h: Similarly.
517 * config/i860/i860.h: Similarly.
518 * config/i960/i960.h: Similarly.
519 * config/ia64/ia64.h: Similarly.
520 * config/m32r/m32r.h: Similarly.
521 * config/m68hc11/m68hc11.h: Similarly.
522 * config/m68k/m68k.h: Similarly.
523 * config/m88k/m88k.h: Similarly.
524 * config/mcore/mcore.h: Similarly.
525 * config/mips/mips.h: Similarly.
526 * config/mn10200/mn10200.h: Similarly.
527 * config/mn10300/mn10300.h: Similarly.
528 * config/ns32k/ns32k.h: Similarly.
529 * config/pa/pa.h: Similarly.
530 * config/pdp11/pdp11.h: Similarly.
531 * config/pj/pj.h: Similarly.
532 * config/romp/romp.h: Similarly.
533 * config/rs6000/rs6000.h: Similarly.
534 * config/sh/sh.h: Similarly.
535 * config/sparc/sparc.h: Similarly.
536 * config/v850/v850.h: Similarly.
537 * config/vax/vax.h: Similarly.
538 * config/we32k/we32k.h: Similarly.
539 * doc/tm.texi: Update documentation.
541 2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
543 * diagnostic.c (digit_buffer): Remove as global. Move to...
544 * diagnostic.h (struct output_buffer): ... here.
545 * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
547 2001-06-25 Steve Ellcey <sje@cup.hp.com>
549 * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
550 Define tmake_file to include ia64/t-hpux.
551 * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
552 testing to see if it is defined.
553 * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
555 * config/ia64/hpux_longdouble.h: New.
556 * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
557 handling of long doubles.
558 (ia64_function_arg, ia64_function_value): Add checks for TFmode
559 and INTEL_EXTENDED_IEEE_FORMAT.
560 * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
561 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
562 TFmode and INTEL_EXTENDED_IEEE_FORMAT.
563 * config/ia64/ia64.md (all TFmode patterns): Test
564 INTEL_EXTENDED_IEEE_FORMAT in condition.
565 (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
566 * config/ia64/quadlib.c: New.
567 * config/ia64/t-hpux: New.
568 * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
570 2001-06-25 Jim Wilson <wilson@redhat.com>
572 * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
573 * config/i960/t-vxworks960: Likewise.
575 2001-06-25 Dale Johannesen <dalej@apple.com>
577 * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
580 Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
582 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
584 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
586 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
587 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
588 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
589 the use of "GCC" and related terms.
590 * doc/gcc.1, doc/gcov.1: Regenerate.
592 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
594 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
595 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
598 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
600 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
602 2001-06-24 Richard Henderson <rth@redhat.com>
604 * builtins.c (expand_builtin_expect_jump): Disable if the
605 expression can't be re-evaluated.
607 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
609 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
610 handlers examine register r0-r7, for other interrupt handlers
611 examine r0-r12. If the interrupt handler is not a leaf function
612 save all call clobbered registers.
613 (arm_output_epilogue): If the prologue has pushed the IP register,
615 (Arm_expand_prologue): For interrupt functions that need the frame
616 pointer, push the IP register before it is corrupted.
618 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
619 about the use of signed and unsigned quantities in a conditional.
621 2001-06-23 Richard Henderson <rth@redhat.com>
623 * config/alpha/crtfastmath.c: New file.
624 * config/alpha/t-crtfm: New file.
625 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
626 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
627 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
628 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
629 do not set extra_parts here.
631 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
633 * doc/install-old.texi: Remove more documentation of configure
635 * doc/install.texi: Add it here.
637 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
639 * i386-protos.h (emit_i387_cw_initialization): Declare.
640 * i386.md (movsi_insv_1): Remove '*'.
641 (fix_trunc?f?i2): Revamp to use control word parameters.
642 (fix_trunc?i_1): Likewise; update splitters.
643 (fix splitter): Remove.
644 * i386.c (MAX_386_STACK_LOCALS): set to 3.
645 (emit_i387_cw_initialization): New function.
646 (output_fix_trunc): Do not initialize control word;
647 kill dead code; simplify.
649 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
651 * cppmacro.c (make_string_token): Avoid warning.
652 (cpp_macro_definition): Prepend the macro name. Update
654 * cppmain.c (cb_define, dump_macro): Update for changes
655 to cpp_macro_definition.
657 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
659 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
661 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
663 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
664 try_pre_increment_1): compute REG_FREQ using bb->frequency.
666 * regclass.c (loop_cost): Kill.
667 (frequency): New global variable.
668 (record_operand_costs): Replace loop_cost by frequency.
669 (scan_one_insn): Likewise.
670 (regclass): Likewise; set frequency according to bb->frequency.
672 * flow.c (split_edge): Set frequency.
674 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
676 * predict.c (block_info_def): Add nvisited.
677 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
680 * flow.c (dump_edge_info): Dump the probability of edge.
681 (combine_predictions_for_insn): Dump the basic block.
683 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
685 * doc/gcc.texi: Update documentation of source files of C
688 2001-06-22 Richard Henderson <rth@redhat.com>
690 * doc/invoke.texi (-funsafe-math-optimizations): Document its
691 possible effects at link time.
693 2001-06-22 Diego Novillo <dnovillo@redhat.com>
695 * basic-block.h (dump_edge_info): Declare.
696 (clear_edges): Declare.
697 (mark_critical_edges): Declare.
698 * flow.c (dump_edge_info): Remove static declaration.
699 (clear_edges): Ditto.
700 (mark_critical_edges): Ditto.
701 (free_basic_block_vars): Only clear edges and free basic block
702 array if basic_block_info is not NULL.
703 * ssa.c (compute_dominance_frontiers): Remove static declaration.
704 * ssa.h (compute_dominance_frontiers): Declare.
706 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
708 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
709 instead of const1_rtx for true case.
711 2001-06-22 David Mosberger <davidm@hpl.hp.com>
713 * config/ia64/crtfastmath.c: New file.
714 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
715 * config/ia64/linux.h (ENDFILE_SPEC): New.
717 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
719 * config/h8300/h8300.c (asm_file_start): Remove reference to
722 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
724 * c-common.c (verify_tree): Check for x being NULL.
725 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
729 2001-06-22 DJ Delorie <dj@redhat.com>
731 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
732 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
733 (arm_return_addr): Use get_hard_reg_initial_val et al.
734 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
735 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
736 (d30v_return_addr): Use get_hard_reg_initial_val et al.
737 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
738 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
740 (rs6000_mark_machine_status): Remove.
741 (rs6000_return_addr): Use get_hard_reg_initial_val.
742 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
743 * config/v850/v850.h (INIT_EXPANDERS): Delete.
744 * config/v850/v850.c (struct machine_function): Delete.
745 (v850_init_machine_status): Delete.
746 (v850_mark_machine_status): Delete.
747 (v850_free_machine_status): Delete.
748 (v850_return_addr): Use get_hard_reg_initial_val.
749 (v850_init_expanders): Delete.
751 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
753 * predict.c (estimate_bb_frequencies): Do not handle conditional
754 jumps jumping to fallthru basic block as conditional jumps.
756 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
758 * regs.h (struct reg_info_def): Add freq field.
759 (REG_N_REFS): Update comment.
761 * regclass.c (scan_one_insn): Update REG_FREQ.
762 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
763 (attempt_auto_inc): Likewise.
764 (mark_used_reg): Likewise.
765 (try_pre_increment_1): Likewise.
766 * local-alloc.c (struct qty): Add freq field.
767 (alloc_qty): Set freq.
768 (update_equiv_regs): Set REG_FREQ.
769 (QTY_CMP_PRI): Use freq.
770 (combine_regs): Update qty->freq.
771 * global.c (struct allocno): Update comment for n_refs;
773 (local_reg_freq): New array.
774 (global_alloc): Update freq field;
775 allocate and initialize local_reg_freq.
776 (allocno_compare): Use freq field.
777 (find_reg): Likewise.
778 * reload1.c (count_pseudo): Use freq isntead of n_refs.
779 (count_spilled_pseudo): Likewise.
781 * tm.texi (GCOV_TYPE_SIZE): Document.
782 * basic-block.h (gcov_type): Define.
783 (struct edge_def): Use gcov_type for count field.
784 (struct basic_block_def): Likewise.
785 * defaults.h (GCOV_TYPE_SIZE): Define.
786 * final.c (end_final): Use GCOV_TYPE_SIZE.
787 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
788 using HOST_WIDEST_INT_PRINT_DEC.
789 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
790 __write_gcov_type): New.
791 (store_long): Remove.
792 * gcov.c (gcov_type): Set default.
793 (struct adj_list): Use gcov_type for arc_count.
794 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
795 (create_program_flow_graph): Read arc_count properly.
796 (solve_program_flow_graph): 'total' is gcov_type.
797 (output_data): Line_counts is gcov_type, print it properly.
798 * libgcc2.c (struct bb): Counts is gcov_type.
799 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
800 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
801 (GCOV_TYPE_SIZE): Define.
802 (struct bb_info): succ_count and pred_count is gcov_type.
803 (compute_branch_probabilities): Use __read_gcov_type,
804 print read edges to the dump file.
805 (total): Is gcov_type.
806 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
808 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
810 * optabs.c (emit_libcall_block): When using non-call exceptions,
811 don't mark libcalls never throwing.
813 2001-06-21 Stan Shebs <shebs@apple.com>
815 * objc/objc-act.c (hash_init): Use xcalloc.
817 2001-06-21 Richard Henderson <rth@redhat.com>
819 * flow.c (entry_exit_blocks): Initialize frequency.
820 (split_block): Copy it.
821 (dump_flow_info): Dump it.
823 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
825 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
826 from machine-depedent_reorg for purposes of alignment supression
827 when no delay slot insn has been added.
829 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
831 * cppmacro.c (make_string_token): Null terminate.
833 2001-06-21 DJ Delorie <dj@redhat.com>
835 * config/alpha/alpha.h (struct machine_function): Remove.
836 * config/alpha/alpha.c (integrate.h): Include.
837 (override_options): Don't set up machine_status hooks.
838 (alpha_init_machine_status): Remove.
839 (alpha_mark_machine_status): Remove.
840 (alpha_free_machine_status): Remove.
841 (alpha_return_addr): Use get_hard_reg_initial_val.
842 (alpha_gp_save_rtx): Likewise.
843 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
845 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
847 * config/sh/sh.md (interrupt_function): Use
848 current_function_interrupt.
849 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
850 an interrupt function.
852 * config/sh/sh.h (current_function_interrupt): Define extern.
854 * config/sh/sh.c (current_function_interrupt): New global.
855 (sh_expand_prologue): Set current_function_interrupt.
857 2001-06-21 Phil Edwards <pme@sources.redhat.com>
859 * doc/install.texi: Add 'c' to list of --enable-languages choices.
861 2001-06-21 DJ Delorie <dj@redhat.com>
863 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
865 * integrate.c (ggc.h): Include.
866 (initial_value_pair, initial_value_struct,
867 setup_initial_hard_reg_value_integration): Add prototypes.
868 (expand_inline_function): Call
869 setup_initial_hard_reg_value_integration.
870 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
871 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
872 to keep track of values present at the start of a function.
873 (mark_hard_reg_initial_vals): New, for gc.
874 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
875 mappings for initial values.
876 (emit_initial_value_sets): New. Emits code to set initial value
878 * integrate.h: Add prototypes for new functions.
879 * function.h (struct function): Add hard_reg_initial_vals field.
880 * function.c (integrate.h): Include.
881 (mark_function_status): Call
882 mark_hard_reg_initial_vals.
883 * toplev.c (integrate.h): Include.
884 (rest_of_compilation): Call emit_initial_value_sets.
886 2001-06-21 Stan Shebs <shebs@apple.com>
888 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
889 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
890 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
891 everywhere instead of "Objective C".
893 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
895 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
896 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
897 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
898 "back end" as nouns and "front-end" and "back-end" as adjectives.
900 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
902 * predict.c (estimate_probability): Fix loop bounds.
904 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
906 * toplev.c (rest_of_compilation): Run mark_constant_function
909 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
911 * predict.c (estimate_loops_at_level, propagate_freq
912 estimate_bb_frequencies, count_to_freqs): New functions.
913 (estimate_probability): Call estimate_bb_frequencies.
914 * basic-block.h (basic_block_def): Add field "freq".
915 (BB_FREQ_MAX): New constant.
917 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
919 * sh.c (barrier_align): Don't ask for alignment when seeing a
920 branch-around-a-jump from machine_dependent_reorg.
922 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
924 * ssa.c (rename_block): Update parameter to remove_phi_alternative
925 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
926 re-running life analysis.
928 2001-06-20 Stan Shebs <shebs@apple.com>
930 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
931 also use memset to clear the hash tables.
932 (hash_enter): Assume xmalloc always succeeds.
933 (hash_add_attr): Ditto.
934 (continue_class): Ditto.
936 2001-06-20 Michael Meissner <meissner@redhat.com>
938 * builtins.c (predict.h): Include.
939 (expand_builtin_expect): Update comment.
940 (expand_builtin_expect_jump): New function to expand
941 __builtin_expect inside of a conditional jump expansion.
943 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
944 __builtin_expect (<test>, 1).
946 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
948 * rtl.h (expand_builtin_expect_jump): Add prototype.
950 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
952 * doc/rtl.texi (Machine Modes): Correct description of
953 floating-point modes on machines with non-8-bit bytes.
955 2001-06-19 Bernd Schmidt <bernds@redhat.com>
957 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
958 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
961 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
963 * ssa.c (remove_phi_alternative): Remove declaration. No longer
964 static. Second argument is a pointer to a basic block structure,
965 not a basic block index.
966 (convert_to_ssa): Do not remove dead code.
967 (convert_from_ssa): Do not remove dead code to create death notes.
968 * ssa.h (remove_phi_alternative): Declare.
970 * flow.c (delete_unreachable_blocks): Fix patch error in
971 previous change (call to find_unreachable_blocks was lost).
973 * ssa.c (ssa_uses): Remove definition.
974 (apply_delayed_renames): Don't grow ssa_uses.
975 (rename_block): Remove comment related to ssa_uses.
976 (rename_registers): Do not initialize ssa_uses.
977 (convert_from_ssa): Do not free ssa_uses.
979 * ssa-dce.c: Renamed from dce.c.
980 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
981 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
984 2001-06-19 Eric Christopher <echristo@redhat.com>
986 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
987 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
988 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
990 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
992 * sh.c (output_branch): Delete bogus code.
994 * sh.c (initial_elimination_offset):
995 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
997 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
999 * flow.c (find_unreachable_blocks): New function.
1000 (delete_unreachable_blocks): Use find_unreachable_blocks.
1001 * basic-block.h (find_unreachable_blocks): Declare.
1003 * dce.c (eliminate_dead_code): Fix formatting glitch.
1005 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
1007 * c-common.h (RETURN_NULLIFIED_P): New macro.
1008 * c-semantics.c (genrtl_return_stmt): Check it.
1010 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
1011 (emit_block_move): Likewise.
1013 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
1015 * unroll.c: Include predict.h.
1016 (unroll_loop): Drop prediction notes on preconditioning.
1017 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
1018 New; add comments on the others.
1019 * Makefile.in: (unroll.o): Add dependancy on predict.h.
1020 * loop.c (strength_reduce): Fix branch prediction.
1022 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1024 * stmt.c (emit_case_nodes): Optimize test whether index is in given
1027 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1029 * predict.c (estimate_probability): Do not bail out early
1030 when note is present.
1031 (combine_predictions_for_insn): Fix note removal code.
1033 2001-06-18 Ben Elliston <bje@redhat.com>
1035 * except.c (resolve_fixup_regions): Initialise "cleanup".
1037 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
1039 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
1041 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1043 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
1044 use put_var_into_stack.
1046 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1048 * gccspec.c (lang_specific_driver): If compiling ObjC, add
1049 -shared-libgcc when necessary.
1050 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
1052 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
1054 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
1055 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
1056 bitmap_last_set_bit. All for compatibility with sbitmap's.
1058 *bitmap.c (bitmap_zero): New function.
1059 (bitmap_union_of_diffs): New function.
1060 (bitmap_first_set_bit): New function.
1061 (bitmap_last_set_bit): New function.
1063 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * cpp.texi, invoke.texi: Update.
1066 * cpp.1, gcc.1: Regenerate.
1068 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1070 * i386.md (minsf): Fix splitter. (PR fortran/3191)
1072 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1074 * doc/cpp.texi: Update.
1075 * doc/cpp.1: Regenerate.
1077 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1079 * doc/install.texi: Use correct markup hints.
1081 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1083 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
1085 * explow.c (expr_size): If DECL and size specified, use it.
1087 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1089 * doc/cpp.texi: Formatting corrections.
1090 Correct buggy example of use of __GNUC__ etc.
1091 Clarify $ in identifiers.
1092 * doc/cpp.1: Regenerate.
1094 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1096 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
1098 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1100 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
1102 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
1103 Added Tru64 UNIX V5.1 bootstrap hints.
1104 (Specific, alpha*-*-osf*): Removed old section, obsolete.
1106 2001-06-15 Andreas Jaeger <aj@suse.de>
1108 * doc/install.texi (Specific): Mention that glibc cannot be
1109 compiled with GCC 3.0.
1111 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
1113 * combine.c (nonzero_bits): Don't optimize away division by
1116 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1118 * doc/cpp.texi: Revised and brought up to date.
1119 * doc/cpp.1: Regenerate.
1121 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1123 * doc/install.texi: Update --enable-threads to match reality.
1125 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1127 * doc/install.texi: Update for C4x.
1128 * README.C4X: Remove.
1130 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1132 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1133 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1134 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
1135 Consistently use "built-in" and "bit-field". Minor logical markup
1137 * doc/gcc.1: Regenerate.
1139 2001-06-14 Richard Henderson <rth@redhat.com>
1141 * config/mips/mips.md (exception_receiver): New.
1143 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
1145 * doc/gcc.texi: Update passes documentation to be more in tune
1148 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1150 * i386.c (ix86_expand_prologue): Fix merging conflict.
1152 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1154 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1155 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
1156 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
1157 logical markup. Use TeX quotes and dashes. Use @dots{} and
1158 @minus{}. Avoid spaces inside @var. Update last modification
1160 * doc/gcc.1, doc/gcov.1: Regenerate.
1162 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1164 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
1165 x86_epilogue_using_move): New global variables.
1166 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
1167 (ix86_emit_save_regs_using_mov): New static function.
1168 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
1169 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
1170 MASK_MIX_SSE_I387): Renumber.
1171 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
1172 (x86_accumulate_outgoing_args, x86_prologue_using_move,
1173 x86_epilogue_using_move): Declare.
1174 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
1176 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
1178 * inclhack.def (hpux10_cpp_pow_inline): New hack.
1180 2001-06-13 Richard Henderson <rth@redhat.com>
1182 * ifcvt.c (dead_or_predicable): Fix return value last patch.
1184 2001-06-13 Mark Mitchell <mark@codesourcery.com>
1188 2001-06-13 Richard Henderson <rth@redhat.com>
1190 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
1191 (cond_exec_process_if_block, dead_or_predicable): Likewise.
1193 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1195 * mips-tfile.c (copy_object): Always pass indexNil for symbol
1198 2001-06-13 Kazu Hirata <kazu@hxi.com>
1200 * config/h8300/h8300.h (OK_FOR_T): Remove.
1201 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
1202 * config/h8300/h8300.md: Remove alternatives involving inc and dec
1203 in the helper patterns for addhi3 and addsi3.
1205 2001-06-13 Phil Edwards <pme@sources.redhat.com>
1207 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
1209 2001-06-13 Zack Weinberg <zackw@stanford.edu>
1211 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
1212 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
1214 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
1215 config/alpha/t-osf4, config/mips/t-iris6: Extract all
1216 references to @shlib_map_file@, @shlib_objs@, or
1217 @shlib_base_name@ to Makefile variables.
1218 Bump soname version of libgcc to 1.
1220 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1222 * doc/install.texi: Use more logical markup. Include @node
1223 commands in the source when generating any non-HTML.
1225 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1227 * README: Remove. Some of the contents moved to ../README.
1229 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1231 * doc/install.texi (--enable-shared): List package names
1234 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1236 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
1237 (*-*-solaris*): Document problem in /bin/sh that affects
1238 configuring libraries.
1239 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
1240 (*-sun-solaris2.8): Document linker problem that explains why
1241 libjava is disabled by default.
1243 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1246 * toplev.c (rest_of_compilation): Remove dead code before
1249 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1252 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1253 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1254 * configure: Rebuilt.
1256 2001-06-12 Jim Wilson <wilson@redhat.com>
1258 * loop.c (strength_reduce): Move bl->all_reduced set before
1259 check_ext_dependant_givs call.
1260 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
1262 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1264 * doc/extend.texi (Function Attributes): Document SH's sp_switch
1267 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1269 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
1272 2001-06-12 Richard Henderson <rth@redhat.com>
1274 * config/i386/i386.c (ix86_expand_prologue): Always use
1275 gen_pro_epilogue_adjust_stack; update arguments.
1276 (ix86_expand_epilogue): Likewise.
1277 (ix86_emit_epilogue_esp_adjustment): Remove.
1278 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
1279 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
1280 clobber of scratch memory instead of a modification of EBP as the
1281 barrier. Update all peepholes to match.
1283 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1285 * doc/gcc.texi: Change the font used for @def... commands to a
1287 * doc/extend.texi: Use more logical markup. Use "built-in"
1288 instead of "builtin". Use @deftypefn to mark up built-in
1289 functions; specify their types in the @deftypefn and not in the
1290 descriptive text. Use TeX quotes and dashes. Add more index
1293 2001-06-12 lars brinkhoff <lars@nocrew.org>
1295 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
1296 (DIR_SEPARATOR_2): Likewise.
1298 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1300 * doc/install.texi (--exec-prefix, --bindir, --libdir,
1301 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
1303 (--enable-cpp): Change to document --disable-cpp instead; update
1304 to reflect current default.
1305 (--without-fast-fixincludes): Remove documentation.
1306 (Final install): Document installation directories in more
1307 detail. Document use of make dvi.
1309 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1311 * recog.c (validate_replace_rtx_1): Fix previous patch.
1313 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1315 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
1317 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1319 * simplify-rtx.c (simplify_subreg): Allow volatile memory
1320 to be subregged in case we don't have move instruction.
1322 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1324 * loop.c: Include predict.h
1325 (strength_reduce): Drop branch prediction note in case
1326 number of iterations is known.
1327 * predict.def (PRED_LOOP_ITERATIONS): new.
1328 * Makefile.in (loop.o): Add dependancy on predict.h
1330 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1332 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
1334 * c-typeck.c (c_start_case): Likewise.
1336 2001-06-12 Mark Mitchell <mark@codesourcery.com>
1338 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
1339 in a structure at a variable address.
1341 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1343 * doc/gcov.texi: Use more logical markup.
1345 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1347 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
1348 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
1349 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
1352 2001-06-11 Stan Shebs <shebs@apple.com>
1354 * config/darwin.h (ASM_FILE_END): Remove decl of language_string.
1356 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1358 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
1359 as an early clobber to make sure it is not used by reload in
1360 one of the operands.
1362 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1364 * doc/c-tree.texi: Update information about flag_honor_std.
1365 * doc/install.texi: Note that binutils is required on HPUX 11.
1366 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
1369 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
1370 variable-sized types.
1372 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1374 * doc/md.texi: Use TeX dashes and quotes.
1376 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1378 * doc/rtl.texi: Reference manual chapter about trees.
1380 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1382 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
1383 (WINT_TYPE): Override.
1384 (WINT_TYPE_SIZE): Likewise.
1385 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
1387 * config/sparc/sol2.h (WINT_TYPE): Define.
1388 (WINT_TYPE_SIZE): Likewise.
1390 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
1391 (WINT_TYPE): Override.
1392 (WINT_TYPE_SIZE): Likewise.
1393 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
1394 (CPP_ARCH64_SPEC): Likewise.
1396 2001-06-11 Richard Henderson <rth@redhat.com>
1398 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
1399 with alias attribute.
1401 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
1402 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
1404 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1406 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
1408 2001-06-11 Stan Shebs <shebs@apple.com>
1410 * config/darwin.c (darwin_encode_section_info): Rewrite to simplify
1411 and fix coding mistakes.
1413 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
1415 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
1416 return string from m32r_output_block_move.
1417 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
1419 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
1421 (ROUND_ADVANCE): Remove signed/unsigned conflict.
1422 * config/m32r/m32r.c: Declare prototypes for static functions.
1423 (move_src_operand): Replace INT32_P with UINT32_P.
1424 (function_arg_partial_nregs): Fixed signed/unsigned conflict
1425 in initialisation of 'size'.
1426 (m32r_sched_reord): Remove redundant declarations of 'code'.
1427 (m32r_output_block_move): Change to a void function.
1428 (m32r_encode_section_info): Cast return of
1429 TREE_STRING_POINTER to avoid compile time warning.
1431 2001-06-11 Richard Henderson <rth@redhat.com>
1433 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
1434 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
1435 (struct machine_function): Add gp_save_rtx.
1436 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
1437 (alpha_gp_save_rtx): New.
1438 * config/alpha/alpha-protos.h: Declare it.
1439 * config/alpha/alpha.md (exception_receiver): Make an expander.
1440 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
1442 2001-06-11 Richard Henderson <rth@redhat.com>
1444 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
1446 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1448 * configure.in: Align --help messages.
1449 Remove trailing full stops.
1450 Consistently use lower case.
1451 Fix DWARF 2 spelling.
1452 * configure: Rebuilt.
1454 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1456 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
1457 variants for .cpp/.cp/.c++ files.
1458 Move definition of __LANGUAGE_C_PLUS_PLUS ...
1459 (CPLUSPLUS_CPP_SPEC): ... here.
1461 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1463 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
1465 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1467 * c-decl.c (store_parm_decls): When comparing types in an
1468 old-style function declaration with those from a previous
1469 prototype, compare the unqualified versions of parameter types.
1472 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1474 * doc/objc.texi: Use more logical markup. Use TeX dashes.
1476 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1478 * doc/c-tree.texi: Use more logical markup.
1480 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1482 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1484 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
1486 * loop.c (scan_loop): Do not combine asm statements.
1488 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1490 * simplify-rtx.c (simplify_subreg): Fix offset calculation
1491 for complex values within a CONCAT.
1493 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1495 * doc/install.texi: Update details of what components are included
1496 in the GCC distribution. Update default directory for g++
1497 includes. Update documentation relating to old libio. Adjust
1498 documentation on DejaGnu environment variables. Remove
1499 documentation of --enable-cpplib.
1501 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1503 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1506 2001-06-10 Richard Henderson <rth@redhat.com>
1508 * ifcvt.c (life_data_ok): New.
1509 (merge_if_block): Use it to determine whether to update
1511 (if_convert): Set it.
1513 2001-06-10 Richard Henderson <rth@redhat.com>
1515 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1517 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1519 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1520 (SH Options): Document -mieee.
1521 * doc/install.texi (Final install): Remove obsolete information
1522 about installing cross compilers.
1523 * doc/gcc.1: Rebuilt.
1525 2001-06-10 Richard Henderson <rth@redhat.com>
1527 * config/alpha/alpha.c (override_options): Set align_loops,
1528 align_jumps, and align_functions.
1529 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1530 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1532 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1534 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1535 are one and two words in size.
1537 2001-06-10 Richard Henderson <rth@redhat.com>
1539 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1540 (Code Generation Options): Document -fnon-call-exceptions.
1542 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1544 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1546 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1548 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1550 2001-06-10 Mark Mitchell <mark@codesourcery.com>
1551 Gabriel Dos Reis <gdr@codesourcery.com>
1553 * Makefile.in (c-parse.o): Depend on diagnostic.h
1554 (dwarf2out.o): Likewise.
1556 * dwarf2out.c: #include diagnostic.h
1558 * toplev.h (warningcount, errorcount, sorrycount): Remove
1561 * toplev.c (warningcount, errorcount, sorrycount): Remove
1564 * diagnostic.h (struct output_buffer): Reorder fields.
1565 (diagnostic_kind_count): New macro.
1566 (errorcount, warningcount, sorrycount): Define as macros.
1567 (diagnostic_report_warnings_p): New macro.
1568 (output_state): Add diagnostic_count field.
1570 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1571 Remove tentative declaration.
1572 (count_error): Use diagnostic_report_warnings_p.
1574 * c-parse.in: #include diagnostic.h
1576 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1578 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1579 prefer a memory for operand 1.
1580 ("*addsi3"): Fix constraints, the '!' was too strong.
1581 ("*addsi3_split"): Accept soft register and split accordingly.
1583 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1585 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1586 Move definition in the RTX_CODE section.
1588 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1590 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1591 address as relative to the argument pointer.
1593 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1595 * predict.def (PRED_OPCODE): Place before call and error_return.
1597 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1599 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1600 * predict.c (estimate_probability): Calculate dominance
1601 information; improve detection of NORETURN heuristics;
1602 add call/error_return heuiristics; tweak comparison heuristics
1605 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1607 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1608 (Debugging Options): Document -print-multi-directory and
1610 * doc/gcc.1: Rebuilt.
1612 * toplev.c (independent_decode_option): Require `=' between
1613 `-aux-info' and filename in the same argument.
1614 * gcc.c: Don't pass -aux-info=filename twice.
1616 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1618 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1619 an array element with the known initializing value if it has
1622 * toplev.c (rest_of_compilation): Remove dead code before
1625 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1627 * cppinit.c (print_help): Document -fpreprocessed.
1628 * invoke.texi: Similarly.
1630 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1632 * predict.def: New file.
1633 * predict.h: New file.
1634 * predict.c: Include predict.h.
1635 (predictor_info): New structure and array.
1636 (predict_edge, predict_insn): Rewrite; make global.
1637 (predict_edge_def, predict_insn_def): New global functions.
1638 (dump_prediction, combine_predictions_for_insns): New
1640 (estimate_probability): Change calls to predict_edge
1641 to predict_edge_def and calls to predict_insn to predict_insn_def;
1642 combine probabilities.
1643 (expected_value_to_br_prob): Behave as predictor.
1644 * rtl.h (REG_BR_PRED): Update coment.
1645 (invert_br_probabilities): New.
1646 * jump.c: Include predict.h
1647 (duplicate_loop_exit_test): Drop branch prediction notes.
1648 (invert_jump): Use invert_br_probabilities.
1649 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1650 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1651 * combine.c (distribute_notes): Handle BR_PRED.
1653 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1655 * predict.c (predict_insn, predict_edge): New static functions.
1656 (estimate_probability): Revamp to use new functions;
1657 fix loop header heruistics; add loop exist heruistics
1659 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1661 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1663 2001-06-09 Peter Jakubek <pjak@snafu.de>
1665 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1667 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1669 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1670 for integer operations that don't update C bit.
1672 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1674 * gthr-posix.h (__gthread_objc_init_thread_system): If
1675 pthread_key_create fails, it's not clear what the return value is.
1676 This obvious fix makes sure it always returns -1 if a problem
1679 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1681 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1682 more index entries. Use more logical markup where appropriate.
1683 Use TeX quotes and dashes.
1685 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1687 * unwind-pe.h: Conditionally qualify references to abort with
1690 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1692 * doc/invoke.texi: Remove superfluous text.
1694 2001-06-08 Richard Henderson <rth@redhat.com>
1696 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1697 (LIB_SPEC): Mirror config/linux.h version.
1699 2001-06-08 Richard Henderson <rth@redhat.com>
1701 * except.c (get_exception_pointer, get_exception_filter): Take a
1702 struct function. Update all callers.
1703 * except.h (get_exception_pointer): Update declaration.
1704 * expr.c (expand_expr): Update get_exception_pointer call.
1705 * integrate.c (expand_inline_function): Remap the exception pointer
1706 from callee to caller.
1708 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1710 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1711 accurately reflect its cv-qualification.
1712 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1713 cv-qualifiers on function types.
1715 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1717 * basic-block.h: Improve comments.
1718 * except.c (expand_eh_region_end_allowed): Remove redundant call
1719 to do_pending_stack_adjust.
1720 * flow.c (life_analysis): Fix typo in comment.
1721 (calculate_global_regs_live): Add documentation.
1722 (mark_set_1): Likewise.
1723 (debug_regset): Likewise.
1724 * doc/rtl.texi (cond_exec): Document it.
1726 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1728 * i386.h (CONST_COSTS): set cost of constants representable in
1729 immediate fields to 0.
1731 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1733 * function.c (diddle_return_value): Kill code to determine
1734 return value before expand_function_end.
1735 (expand_function_end): Delay call to clobber_return_register
1736 after fucntion return value is computed.
1738 Re-install temporary reverted patch:
1739 * toplev.c (rest_of_compilation): Call split_all_insns
1740 before reg-stack and shorten-branches. Do shorten-branches
1742 * final.c (shorten_branches): Remove insn splitting code.
1744 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1746 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1747 options. Use @opindex to index them rather than other indexing
1748 commands. Use @var{...} instead of <...>. Avoid spaces in names
1749 inside @var. Don't use @kindex to index escape sequences in
1752 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1754 * stmt.c (current_nesting_level): New fn.
1755 * tree.h: Declare it.
1756 * c-semantics.c (genrtl_compound_stmt): Use it.
1758 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1760 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1762 * jump.c (mark_modified_reg): Allow jump threading if condition
1763 codes are represented by a hard register.
1765 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1767 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1768 for complex floats passed to unprototyped functions.
1770 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1772 * except.c (expand_eh_region_end_allowed): Call
1773 do_pending_stack_adjust as necessary.
1775 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1777 * function.c (clobber_return_register): Clobber the pseudo return
1780 * sibcall.c (skip_unreturned_value): New function.
1781 (call_ends_block_p): Use it.
1783 * recog.c (split_insn): Break out from ...
1784 (split_all_insns): ... here; do not use basic block information
1787 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1789 * simplify-rtx.c (simplify_subreg): Fix verification of
1792 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1794 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1795 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1796 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1797 (CPLUSPLUS_CPP_SPEC): ... here.
1798 Fixes PRs c++/3047, target/441.
1800 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1802 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1804 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1806 * doc/gcc.texi: Add trailing slash to URL.
1808 2001-06-07 Stan Shebs <shebs@apple.com>
1810 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1811 (REDO_SECTION_INFO_P): Ditto.
1812 (STRIP_NAME_ENCODING): Ditto.
1813 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1814 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1815 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1816 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1817 * config/darwin.c: No longer include c-tree.h.
1818 (machopic_classify_ident): Rewrite to use symbol encoding.
1819 (lookup_name_darwin): Remove.
1820 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1821 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1822 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1823 (machopic_finish): Ditto, remove test of decl.
1824 (update_non_lazy_ptrs): New function.
1825 (darwin_encode_section_info): New function.
1826 * config/darwin-protos.h: Declare it.
1827 * config/rs6000/rs6000.c (machopic_output_stub): Use
1828 STRIP_NAME_ENCODING.
1830 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1832 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1833 (DECL_SOURCE_LINE): Likewise.
1835 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1837 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1838 from config/elfos.h.
1840 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1842 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1843 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1845 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1847 * doc/contrib.texi: Add copyright notice.
1849 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1851 * doc/md.texi: Use four digit years in copyright notice.
1853 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1855 * config.gcc: For $target_alias of athlon-*, set
1856 target_cpu_default2=5.
1858 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1860 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1861 end of last block if last real insn is a JUMP_INSN.
1863 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1867 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1869 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1870 pthread_t to objc_thread_t.
1871 (__gthread_objc_thread_id): Likewise.
1873 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1875 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1876 (ASM_OLDAS_SPEC): Likewise.
1878 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1879 (CPP_SUBTARGET_SPEC): Use it.
1880 (ASM_OLDAS_SPEC): Define.
1882 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1884 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1886 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1887 passed by reference.
1889 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1891 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1892 Document use of N_(...), and show it in examples. Note that
1893 documentation should be added to invoke.texi. Avoid an overfull
1896 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1898 * toplev.c (rest_of_compilation): Revert previous patch.
1899 * final.c (shorten_branches): Likewise.
1901 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1903 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1906 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1908 * doc/install-old.texi: Remove more obsolete documentation.
1910 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1912 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1914 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1916 * toplev.c (rest_of_compilation): Call split_all_insns
1917 before reg-stack and shorten-branches. Do shorten-branches
1919 * final.c (shorten_branches): Remove insn splitting code.
1921 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1923 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1924 * configure: Rebuilt.
1926 2001-06-07 Andreas Jaeger <aj@suse.de>
1928 * emit-rtl.c (operand_subword): Remove unused variable.
1930 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1932 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1933 if TARGET_64BIT is false.
1934 (floatdi?f_i386_only): New insn.
1935 (floatdi?f_i386): Disable for !TARGET_64BIT.
1937 * (min?f, max?f splitters): Handle case where
1938 operands are cross-matched.
1940 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1941 (MMX_REGISTER_NAMES): Kill.
1942 (PRINT_OPERAND): Fix comment.
1943 (PRINT_REG): Likewise.
1944 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1945 (print_operand): Update comment; kill 'm'.
1947 * i386.c (x86_branch_hints): New global variable
1948 (print_operand): Support outputting of branch prediction hints.
1949 * i386.md (conditional jump patterns): Add branch prediction hints
1951 * i386.h (x86_branch_hints): Declare
1952 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1953 (PRINT_OPERAND_FUNCT_VALID_P): New.
1954 * final.c (final_forward_branch_p): New function.
1956 2001-06-06 Richard Henderson <rth@redhat.com>
1958 * flow.c (mark_used_reg): Clean up looping over multiple hard
1959 registers. Do conditional life bits across multiple hard regs.
1961 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1963 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1964 deleted during reload.
1966 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1968 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1969 functions here, instead of ...
1970 * c-decl.c (c_expand_body): ... here.
1972 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1974 * config.gcc, config/sparc/bsd.h: Do not directly include
1975 sparc/sparc.h. Instead do it via tm_file.
1977 2001-06-05 Richard Henderson <rth@redhat.com>
1979 * dwarf2.h (DW_EH_PE_aligned): New.
1980 * dwarf2asm.c (eh_data_format_name): Name it.
1981 (dw2_asm_output_encoded_addr_rtx): Align for it.
1982 * dwarf2out.c (output_call_frame_info): Handle it for personality
1983 routine and LSDA pointers.
1985 * unwind-pe.h (DW_EH_PE_aligned): New.
1986 (base_of_encoded_value): Handle it.
1987 (read_encoded_value_with_base): Likewise.
1988 * unwind-dw2-fde.c (base_from_object): Likewise.
1989 (get_cie_encoding): Likewise.
1991 * config/alpha/elf.h: Remove ecoff commentary.
1992 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1994 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1996 * config.gcc, config/i386/bsd386.h: Do not directly include
1997 i386/386bsd.h. Instead do it via tm_file.
1999 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2001 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
2004 2001-06-05 Pascal Obry <obry@act-europe.fr>
2006 * configure.in: Quote $enable_win32_registry in case the value has
2010 2001-06-05 Mark Mitchell <mark@codesourcery.com>
2012 * print-rtl.c (xspaces): Remove.
2013 (print_rtx): Use printf field-width, rather than xpsaces, to
2015 * toplev.c (main): Disable sibling-call optimization if we are
2016 handling exceptions.
2018 2001-06-05 Bernd Schmidt <bernds@redhat.com>
2020 * reload1.c (reload): Delete all USEs generated during reload.
2022 2001-06-05 scott snyder <snyder@fnal.gov>
2024 * gccbug.in: Fix typo.
2026 2001-06-05 Andreas Jaeger <aj@suse.de>
2028 * builtins.def: Fix definition of __builtin_cosf, it uses float as
2029 parameter and return value.
2031 2001-06-04 Anthony Green <green@redhat.com>
2033 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
2034 machine. This is now done in sparc.h.
2036 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2038 Correct CVS resurrection of invoke.texi.
2039 * doc/invoke.texi: Document new tree dump flags.
2041 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2043 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
2044 for casting an aggregate to its own type. Fixes PR c/2735.
2046 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2048 * doc/texinfo.tex: Update to version 2001-05-24.08.
2050 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2052 * c-common.h (flag_dump_translation_unit): Remove.
2053 (enum tree_dump_index): Define.
2054 (TDF_ADDRESS, TDF_SLIM): New #defines.
2055 (dump_node_to_file): Remove.
2056 (dump_node): Make extern. Add flags.
2057 (dump_flag, dump_enabled_p, dump_begin, dump_end,
2058 dump_switch_p): Prototype.
2059 * c-common.c (flag_dump_translation_unit): Remove.
2060 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
2061 logic. Use dump_switch_p.
2062 * c-dump.h (struct dump_info): Add node and user fields.
2063 (dump_pointer): Declare.
2064 * c-dump.c (dump_node): Make extern. Add flags.
2065 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
2066 (dump_new_line, dump_maybe_newline): Use them.
2067 (dump_pointer): New function.
2068 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
2069 chain or function's body. Dump address, if TDF_ADDRESS set.
2070 (dump_flag): Define.
2071 (dump_node_to_file): Remove.
2072 (struct dump_file_info): New struct.
2073 (dump_files): New array.
2074 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
2075 * c-lang.c (finish_file): Adjust dumping.
2076 * toplev.h (dump_base_name): Make extern.
2077 * invoke.texi: Document new flags.
2079 2001-06-04 Mark Mitchell <mark@codesourcery.com>
2081 * c-tree.h (lang_decl): Add pending_sizes fields.
2082 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
2084 (c_expand_body): Expand them.
2085 (lang_mark_tree): Mark lang_decl:pending_sizes.
2086 * function.c (expand_pending_sizes): New function, broken out
2088 (expand_function_start): ... here.
2089 * tree.h (expand_pending_sizes): Declare it.
2091 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
2093 * doc/install.texi: Update FreeBSD information. Generalize
2094 and update information for alpha-based platforms using ELF.
2096 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2098 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
2099 (store_parm_decls): Likewise.
2100 * c-typeck.c (convert_arguments): Likewise.
2102 2001-06-04 Richard Henderson <rth@redhat.com>
2104 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
2105 optimization if current_function_calls_setjmp.
2107 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
2109 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
2112 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2114 * simplify-rtx.c (simplify_subreg): Fix combining of
2115 paradoxical subregs.
2117 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2119 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
2120 (no_labels_between_p): Short circuit case beg==end.
2122 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2124 * rtlanal.c (operand_preference): Fix preference for objects.
2126 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2128 * gcse.c (handle_avail_expr): Be prepared to handle single_set
2131 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2133 * combine.c (if_then_else_cond): Use simplify_subreg instead
2135 * integreate.c (sub_constants): Likewise.
2137 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2139 * emit-rtl.c (constant_subword): Deprecate; remove most of code
2140 and use simplify_gen_subreg.
2142 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
2144 * sibcall.c (skip_copy_to_return_value): recognize the situation
2145 when the called function's return value is copied into an
2146 intermediate pseudo, and then into the calling functions return
2149 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2151 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
2152 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
2153 in case register wasn't OK previously, accept it now; allow
2154 subregs of frame pointer if reload completed and frame pointer
2157 * combine.c (sombine_simplify_rtx): Fix comment;
2158 use subreg_lowpart_offset instead of subreg_lowpart_p
2159 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
2160 * rtl.h (subreg_lowpart_parts_p): Kill.
2161 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
2162 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
2163 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
2164 (gen_lowpart_common): Likewise.
2165 (subreg_lowpart_p): Likewise.
2166 (subreg_lowpart_parts_p): Kill.
2167 (subreg_lowpart_offset, subreg_highpart_offset): New function.
2169 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
2170 to simplify SUBREG and REG.
2171 (gen_highpart): Use simplify_gen_subreg for all simplifications.
2173 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
2176 * rtlanal.c (replace_regs): Use simplify_gen_subreg
2178 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2180 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
2181 (ARRAY_RANGE_REF): Added description.
2183 * tree.def (ARRAY_RANGE_REF): New code.
2184 * alias.c (handled_component_p, can_address_p): Handle it.
2185 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2186 * explow.c (set_mem_attributes): Likewise.
2187 * expr.c (expand_assignment, get_inner_reference): Likewise.
2188 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
2189 * fold-const.c (operand_equal_p): Likewise.
2190 * tree.c (staticp, stabilize_reference): Likewise.
2191 * varasm.c (decode_addr_const): Likewise.
2193 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2195 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
2196 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
2198 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
2200 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
2201 mark_constant_pool_use before output_addr_const.
2202 (struct pool_node): New field wend.
2203 (add_constant): Note a sequence of constants that are referenced
2205 (pool_window_label, pool_window_last): New variables.
2206 (dump_table): Emit a unspec_volatile representing the end of a
2207 sequence of constants.
2208 (mark_constant_pool_use): New function.
2209 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
2210 (consttable_2): Add the second operand which flags whether
2211 this consttable entry was used or not.
2212 (consttable_4, consttable_8, consttable_sf, consttable_df):
2214 (consttable_window_end): New insn.
2216 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2218 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
2219 Reformat according to coding standards.
2222 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
2223 (shl_and_kind): Cast wide constant.
2224 (gen_far_branch): Define as static, as in declaration.
2225 (barrier_align): Compute cache-line length as unsigned. Add
2226 parentheses in initial credit computation.
2227 (rounded_frame_size): Add parentheses.
2228 (permanent_obstack): Remove declaration. Include ggc.h for
2229 declaration of ggc_add_root_rtx().
2230 (get_free_reg): Removed declaration of unused variable reg.
2231 (legitimize_pic_address): Mark mode argument as unused.
2233 2001-06-03 Igor Shevlyakov <igor@windriver.com>
2235 * config/sh/sh.c (output_branch): Support for insn with lenght
2236 attr 12 & 16 which represents cond branches outside +-4096 range.
2238 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2240 * config/sh/lib1funcs.asm (ic_invalidate): Align the
2241 cache-mirroring sequence. Add nops.
2243 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
2245 * doc/install-old.texi: Remove more old installation
2247 * doc/install.texi: Add relevant parts here.
2249 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2251 * doc/install.texi2html: New script.
2253 2001-06-03 David Edelsohn <edelsohn@gnu.org>
2255 * doc/install.texi: Update AIX information again.
2257 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2259 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
2260 installation documentation.
2261 * doc/install.texi: Move it to here.
2263 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2265 * doc/install.texi: Clean up Texinfo markup.
2267 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2269 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
2270 to just after title page.
2272 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2274 * doc/install-old.texi: Remove documentation of some configuration
2276 * doc/install.texi: Add relevant parts of this documentation here.
2278 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2280 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
2281 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
2283 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2285 * i386.md (all uses of ext_register_operand): Make sure they are
2286 VOIDmode; replace all uses outside zero_extend.
2287 (and?i splitters): Use ext_register_operands.
2288 (test?i peep2): Remove ignored constraints.
2289 * i386.c (ext_register_operand): Check that operand is
2290 eighter pseudo or hard or 'Q' register.
2292 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2294 * tree.h (struct record_layout_info_s): New field unpadded_align.
2295 (set_lang_adjust_rli): New declaration.
2296 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
2297 it would have if not packed, do not downgrade DECL_ALIGN.
2298 (lang_adjust_rli, set_lang_adjust_rli): New.
2299 (start_record_layout): Initialize new field unpadded_align.
2300 (debug_rli): Display it.
2301 (place_union_field, place_field): Set it.
2302 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
2304 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
2305 mean that; use proper names instead.
2306 Print DECL_NO_STATIC_CHAIN.
2308 * except.c (expand_builtin_frob_return_addr): Add missing call
2309 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
2310 (expand_builtin_eh_return): Likewise.
2311 (expand_eh_return): Clean up ptr_mode != Pmode cases.
2313 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
2315 * doc/invoke.texi: Remove references to papers about sequence points
2316 to readings.html, refer to that page.
2318 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2320 * README: Update references to installation instructions.
2322 2001-06-01 Laurent Guerby <guerby@acm.org>
2323 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2325 * doc/install.texi: Define srcdir when sources come from CVS.
2326 Significantly improve markup. Wrap overly long lines
2328 2001-06-01 DJ Delorie <dj@redhat.com>
2330 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
2331 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
2332 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
2333 gcov.1: Move to doc subdirectory.
2334 * install.texi: Move to doc/install-old.texi.
2335 * gcc.texi: Move to doc, refer to install-old.texi.
2336 * Makefile.in: Reflect move of docs to doc/.
2337 * f/Make-lang.in: Ditto.
2338 * java/Make-lang.in: Ditto.
2339 * doc/.cvsignore: New.
2341 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2343 * invoke.texi: use two spaces between command options, eliminate
2344 some 'overfull hboxes'
2346 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
2348 * Makefile.in (s-mlib): Make backtick-commands always succeed.
2349 (DRIVER_DEFINES): Ditto.
2351 2001-05-31 Richard Henderson <rth@redhat.com>
2353 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
2354 also link against libgcc.a.
2356 2001-05-31 Geoff Keating <geoffk@cygnus.com>
2358 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
2359 * config/mips/mips.c (mips_output_ascii): New function.
2360 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
2362 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
2364 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2366 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
2367 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
2369 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
2371 * install.texi (Configuration): Add html links for --with-gnu-as &
2372 --with-gnu-ld and refer to them from hppa & SCO triplets.
2373 (Specific): Link back to with-gnu-ld for all ELF platfoms.
2374 (Specific): Reword AVR binutils recommendation.
2376 2001-05-30 Zack Weinberg <zackw@stanford.edu>
2378 * ggc-page.c (size_lookup): Increase minimum allocation size
2380 (ggc_print_statistics): Report size of each bin in bytes, not
2381 as its order; there is no longer a direct relationship.
2383 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2385 * extend.texi: Fix formating of examples, eliminate some
2387 * gcc.texi: Eliminate some 'overfull hboxes'.
2388 * invoke.texi: Use two spaces between command options, eliminate
2389 some 'overfull hboxes'.
2391 2001-05-30 Richard Henderson <rth@redhat.com>
2393 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
2395 2001-05-30 Tom Tromey <tromey@redhat.com>
2397 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
2398 use it in the new association.
2400 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
2401 John David Anglin <dave@hiauly1.hia.nrc.ca>
2403 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
2404 to target type to allow ISO C++ compiler to accept it.
2405 * gthr-dce.h (__gthread_active_ptr): Likewise.
2406 * gthr-solaris.h (__gthread_active_ptr): Likewise.
2408 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2410 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
2411 so that we do accept comments in preprocessed input.
2413 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2415 * cpphash.c (alloc_node): Cast allocated pointer.
2417 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
2419 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
2421 2001-05-29 Stan Shebs <shebs@apple.com>
2423 * gcc.texi: Add links for information about Objective-C.
2425 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
2427 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
2428 /bin/sed fails on [^\"]).
2429 (configargs.h): Likewise.
2431 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
2433 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
2435 2001-05-28 Stan Shebs <shebs@apple.com>
2437 * objc/objc.gperf: Remove, no longer used.
2439 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
2441 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
2442 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
2443 Remove trailing whitespace.
2445 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2447 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
2448 became http://freeware.sgi.com/.
2450 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
2452 * local-alloc.c (update_equiv_regs): Don't eliminate constant
2455 2001-05-27 Stan Shebs <shebs@apple.com>
2457 * objc/objc-act.c: Add/fix various comments.
2458 (init_selector): Remove, no longer used.
2459 (build_msg_pool_reference): Ditto.
2460 (objc_debug): Ditto.
2462 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2464 * c-decl.c (init_decl_processing):
2465 Don't call start_identifier_warnings.
2466 * flags.h (warn_id_clash, id_clash_len): Remove.
2467 * stringpool.c: Don't include flags.h.
2468 (scan_for_clashes, do_identifier_warnings,
2469 start_identifier_warnings): Remove.
2470 * toplev.c (warn_id_clash, id_clash_len): Remove.
2471 (display_help): Don't document -Wid-clash.
2472 (decode_W_option): Print warning on -Wid-clash.
2473 * tree.h (start_identifier_warnings): Remove.
2474 * invoke.texi: Remove documentation of -Wid-clash.
2476 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
2480 2001-05-27 Bruce Korb <bkorb@gnu.org>
2482 * fixinc/check.tpl(HACK) add and use a Scheme variable
2483 (has no test text): error out if no "test_text" is defined
2484 * fixinc/fixincl.tpl: likewise
2485 (FIXIDX): make it an enumeration so we minimize diffs
2486 * fixinc/inclhack.def: re-alphabetize and add sort instructions
2487 * fixinc/fixincl.x: regenerate
2488 * fixinc/tests/base/stdio.h: test output got moved due to
2490 * README-fixinc: rewrite (mostly)
2492 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2494 * cpplib.c (run_directive): Set pfile->directive.
2496 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2498 * c-tree.texi: Reformat the manual as a single chapter now
2499 included by gcc.texi.
2500 * gcc.texi: Include c-tree.texi. Merge all indexes.
2501 * Makefile.in (dvi): Add generation for the cppinternals
2502 documentation. Added dependencies on fdl.texi and c-tree.texi
2503 where appropriate. Use TEXI2DVI instead of custom tex calls.
2504 (info): Added dependencies on fdl.texi and c-tree.texi where
2505 appropriate. Remove the target c-tree.info.
2507 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
2509 * combine.c (try_combine): Fix typo in comment.
2510 * expr.c (expand_expr): Likewise.
2511 * config/i370/i370.md (untyped_call): Likewise.
2513 2001-05-26 Bruce Korb <bkorb@gnu.org>
2515 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2516 when fixincl is operating in test mode
2517 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2518 (AAB_ultrix_limits): remove redundant text
2519 (AAB_ultrix_memory): ditto
2520 (AAB_ultrix_string): ditto
2521 (djgpp_wchar_h): fix the test text
2522 (irix_stdio_va_list): add test text
2523 (irix_limits_const): add a testing output file (limits.h is overwritten)
2524 (strict_ansi_not_ctd): put limits.h second in list for same reason
2525 (solaris27_mutex_init): test text needed selection text, too
2527 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2528 when fixincl is operating in test mode
2530 2001-05-26 Philip Blundell <philb@gnu.org>
2532 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2533 * config/i960/i960-protos.h: Likewise.
2534 * config/i370/i370-protos.h: Likewise.
2535 * config/h8300/h8300-protos.h: Likewise,
2536 * config/sh/sh-protos.h: Likewise.
2537 * config/v850/v850-protos.h: Likewise.
2539 2001-05-26 Philip Blundell <philb@gnu.org>
2541 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2543 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2545 * toplev.c (debug_args, f_options, W_options): Mark
2546 descriptions for translation.
2547 (display_help): Translate descriptions on output.
2549 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2550 objc/lang-options.h: Mark descriptions for translation.
2552 * aclocal.m4: Quote final argument of patsubst. Use
2553 3-argument form of AC_DEFINE. Restore quotes to [] while
2555 * configure.in: Remove unnecessary changequote calls.
2556 * configure, config.in: Regenerate.
2558 2001-05-25 Sam TH <sam@uchicago.edu>
2560 * basic-block.h: Fix header include guards.
2561 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2562 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2563 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2564 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2565 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2566 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2567 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2568 varray.h version.h: Likewise.
2569 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2570 config/arm/arm.h config/c4x/c4x-protos.h
2571 config/h8300/h8300-protos.h config/h8300/h8300.h
2572 config/i370/i370-protos.h config/i370/i370.h
2573 config/i960/i960-protos.h config/mcore/mcore.h
2574 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2575 config/v850/v850-protos.h config/v850/v850.h: Likewise.
2576 * fixinc/fixlib.h fixinc/server.h: Likewise.
2578 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2580 * config/arc/initfini.c (.init): Fix typo.
2582 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
2584 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2586 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2588 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2590 2001-05-25 Richard Henderson <rth@redhat.com>
2592 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2594 2001-05-25 Richard Henderson <rth@redhat.com>
2596 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2597 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2598 (sparc*-*-solaris2): Likewise.
2599 * config/t-linux: Remove shared libgcc macros.
2600 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2601 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2603 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2605 * config.gcc (*-*-freebsd*): Report bad configuration.
2607 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2609 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2611 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2613 (ASM_OUTPUT_LABELREF): Delete.
2615 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2617 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2618 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2619 * fixinc/fixincl.x: Regenerate.
2620 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2621 (FIX_TEST_TABLE): Declare it.
2622 * fixinc/fixlib.h: Include config.h.
2624 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2626 * fixinc/inclhack.def (alpha___assert): Change char * args to
2627 const char * on Tru64 UNIX to avoid excessive warnings from
2629 * fixinc/fixincl.x: Regenerate.
2631 2001-05-25 Geoff Keating <geoffk@redhat.com>
2633 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2634 outputting a tag only for variable-size records.
2636 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2638 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2639 instead of rtx_equal_p for early clobber test.
2641 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2643 * builtins.def: Encode additional information, such as names and
2645 * builtin-types.def: New file.
2646 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2647 (built_in_decls): Likewise. Don't explicitly initialize global
2649 (expand_builtin_mathfn): Handle float and long double variants of
2651 (expand_builtin): Likewise.
2652 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2653 (expand_tree_builtin): Handle long, long long, float, and long
2654 double variants of math functions.
2655 * c-common.h (c_tree_index): Remove some unused nodes.
2656 (void_ftype): Remove.
2657 (void_type_ptr): Likewise.
2658 (int_ftype_int): Likewise.
2659 (ptr_ftype_sizetype): Likewise.
2660 * c-decl.c (init_decl_processing): Remove creation of DWARF
2662 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2663 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2664 * Makefile.in (c-common.o): Depend on builtin-types.def.
2666 2001-05-25 Dale Johannesen <dalej@apple.com>
2668 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2670 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2672 * c-parse.in (notype_initdcl): Remove redundant line.
2674 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2676 * aclocal.m4: Fixed typo.
2677 (gcc_AC_HEADER_STDBOOL): Define.
2678 (gcc_AC_C__BOOL): Define.
2679 * configure.in: Use them.
2680 (AC_CHECK_HEADERS): Remove stdbool.h
2681 * configure, config.in: Regenerate.
2683 2001-05-25 Richard Henderson <rth@redhat.com>
2685 * function.c (expand_function_start): Don't abort on PARALLEL
2686 returns from hard_function_value.
2688 2001-05-25 Richard Henderson <rth@redhat.com>
2690 * config/i386/i386.md: Revert previous change. Do not apply
2691 the peephole if the components do not die after the sequence.
2693 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2695 * c-parse.in (array_declarator): New. Handle C99 constructs.
2696 Don't restrict [*] declarators to C only.
2697 (after_type_declarator, parm_declarator_starttypename,
2698 parm_declarator_nostarttypename, notype_declarator,
2699 direct_absdcl1): Use it.
2700 * c-decl.c (build_array_declarator, set_array_declarator_type):
2701 New functions. Warn that [*] isn't properly implemented; pedwarn
2702 for [*] outside C99 mode if pedantic rather than giving a hard
2704 (grokdeclarator): Handle static and type qualifiers in parameter
2706 * c-tree.h (build_array_declarator, set_array_declarator_type):
2708 * extend.texi (Attribute Syntax): Document attributes in parameter
2711 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2713 * config/i386/i386.md: Make sure cmpstr peepholes do not
2714 affect liveness information.
2716 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2718 * c-typeck.c (digest_init): Issue error messages about
2719 invalid constants, not warnings.
2721 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2723 * invoke.texi (-fno-builtin): Document that this is always on
2726 2001-05-24 Philip Blundell <philb@gnu.org>
2728 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2731 2001-05-24 Philip Blundell <philb@gnu.org>
2733 * config/arm/arm.c (output_return_instruction): Correctly handle
2734 interworking and interrupt functions.
2736 2001-05-24 Philip Blundell <philb@gnu.org>
2738 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2739 -m{no-}sched-prolog. Fix typos and improve formatting.
2741 2001-05-24 Philip Blundell <philb@gnu.org>
2743 * invoke.texi (ARM Options): Improve wording slightly. Add
2744 documentation for more options, including those for Thumb mode.
2745 Don't mention options that don't exist or are unimplemented.
2746 (Thumb Options): Delete; merged into above section.
2748 2001-05-24 Geoff Keating <geoffk@redhat.com>
2750 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2751 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2753 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2755 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2756 fix hard register simplification.
2758 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2760 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2761 of just copying CPP_CPU_SPEC.
2763 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2765 * i386.c (incdec_operand): Accept only 1 and -1.
2767 2001-05-23 Kelley Cook <kelley.cook@home.com>
2769 * Makefile.in: Move many of the *_H definitions eariler in the
2770 file, so that rules in t-* files that use them for
2771 dependencies will work in a parallel build.
2772 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2774 2001-05-23 Richard Henderson <rth@redhat.com>
2776 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2778 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2780 * cpp.texi: Update for handling of charconsts.
2781 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2782 diagnostics. Skip to the end if the UCS is too short.
2783 (cpp_interpret_charconst): Long charconsts issue a warning
2786 2001-05-23 Richard Henderson <rth@redhat.com>
2788 * doc/install.texi (alpha-linux): Require binutils 2.11.
2790 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2792 * c-lex.c (read_escape, read_ucs): Delete.
2793 (lex_string): Use cpp_parse_escape.
2794 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2795 if not C++ or not C99. Warn if traditional.
2796 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2797 unsigned. Warn for out-of-range escape sequences here.
2798 Update to use maybe_read_ucs.
2799 (cpp_interpret_charconst): Don't warn here.
2800 * cpplib.h (cpp_parse_escape): New exported function.
2802 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2804 * extend.texi (Attribute Syntax): Clarify application of
2805 attributes to parameters declared as functions or arrays.
2807 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2809 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2811 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2813 * diagnostic.c (vnotice): Kill.
2814 (fnotice): Call vfprintf directly.
2815 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2816 verbatim, set_diagnostic_context): Rename string argument to
2817 indicate that it is run through gettext.
2818 (vbuild_message_string, build_message_string, output_do_printf):
2819 Rename string argument to indicate that it is NOT run through
2821 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2822 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2823 Run msgid argument through gettext.
2824 (default_print_error_function): Run constant strings through
2825 gettext when nothing else will.
2826 (fatal_error, internal_error, error_recursion): Use fnotice.
2827 Present complete sentences to gettext.
2829 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2831 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2833 2001-05-23 Richard Henderson <rth@redhat.com>
2835 * function.c (expand_function_start): Always use a pseudo
2836 for the function result value.
2838 2001-05-22 Richard Henderson <rth@redhat.com>
2840 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2841 section pointer alignment.
2843 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2845 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2846 of __USER_LABEL_PREFIX__.
2848 2001-05-22 Richard Henderson <rth@redhat.com>
2850 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2851 (__deregister_frame_info_bases): New.
2852 * unwind-dw2-fde.h: Declare it.
2853 * libgcc-std.ver: Export it.
2854 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2855 called __register_frame_info_bases.
2857 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2859 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2860 instead of #elif (which is OK for this case but not in general).
2862 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2864 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2865 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2866 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2867 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2868 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2870 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2871 David O'Brien <obrien@freebsd.org>
2873 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2874 configure-time options and target version of FreeBSD. Set-up
2875 to match architectural change in threading support. Correctly
2876 report when -pthread option is not supported by configure-time
2878 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2879 and extend to encode target version number in run-time setting
2880 of __FreeBSD__ macro to match the system compiler.
2881 (CPP_PREDEFINES): Likewise.
2882 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2884 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2885 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2887 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2888 David O'Brien <obrien@freebsd.org>
2890 * config.gcc (the unlabeled system switch statement): Add
2891 generic configuration section to handle *-*-freebsd*. Also,
2892 to match the system compiler, default to threading support (it
2893 may be disabled with the standard --disable-threads
2894 configuration-time switch).
2895 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2896 (alpha*-*-freebsd* in machine-specific section): Likewise.
2898 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2899 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2900 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2901 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2902 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2904 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2905 David O'Brien <obrien@freebsd.org>
2907 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2908 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2909 -pthread instead setting macro.
2911 2001-05-22 Richard Henderson <rth@redhat.com>
2913 * crtstuff.c (__register_frame_info_bases): Declare.
2914 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2915 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2917 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2918 (CRT_GET_RFIB_DATA): New.
2919 * config/i386/sysv4.h: Likewise.
2920 * config/i386/sco5.h: Likewise.
2921 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2923 2001-05-22 Richard Henderson <rth@redhat.com>
2925 * rtl.c (read_string): Break out from ...
2926 (read_rtx): ... here.
2928 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2930 * doc/install.texi (Specific): Remove a bogus and duplicate part
2931 copied from the end of the document.
2933 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2935 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2937 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2939 * install.texi: Remove obsolete information on SunOS as well as
2940 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2941 (Installing GNU CC on the Sun): Remove section.
2943 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2945 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2946 keep errno unchanged on success.
2948 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2950 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2951 once for hexadecimal floats, whether or not they contain a decimal
2952 point. Don't let the setting of pedantic otherwise affect the
2953 parsing of hexadecimal floats.
2955 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2957 * README.ACORN: Remove obsolete file.
2959 2001-05-22 Jan Hubicka <jh@suse.cz>
2961 * combine.c (gen_binary): Use swap_commutative_operands_p
2962 (simplify_comparison): Likewise.
2963 * expmed.c (emit_store_flag): Likewise.
2964 * expr.c (compare_from_rtx): Likewise.
2965 (do_compare_rtx_and_jump): Likewise.
2966 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2967 if not emitting a branch and operands want swapping.
2969 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2971 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2972 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2973 (maybe_get_identifier): Update.
2974 * tree.h (make_identifier): Delete.
2976 2001-05-21 Richard Henderson <rth@redhat.com>
2978 * combine.c (subst): Do not substitute for a register as
2979 a destination subreg/strict_low_part/zero_extract.
2981 * combine.c (simplify_comparison): Update op1 after constant
2983 * recog.c (const_int_operand): Accept only constants valid
2985 * genrecog.c: Update comments wrt const_int_operand.
2987 * emit-rtl.c (init_emit_once): Zero unused memory in a
2990 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2992 * tree.h (type_num_arguments): Declare it.
2993 * tree.c (type_num_arguments): New function.
2995 2001-05-21 Richard Henderson <rth@redhat.com>
2997 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
3000 2001-05-21 Geoff Keating <geoffk@redhat.com>
3002 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
3004 (minsf3): Use rs6000_emit_minmax.
3005 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
3007 (movsfcc): Use rs6000_emit_cmove.
3008 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
3009 Don't generate emit_fselsfsf4.
3010 (fseldfsf4): Likewise.
3011 (maxdf3): Use rs6000_emit_minmax.
3013 (mindf3): Use rs6000_emit_minmax.
3014 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
3016 (movdfcc): Use rs6000_emit_cmove.
3017 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
3018 Don't generate emit_fselsfsf4.
3019 (fselsfdf4): Likewise.
3020 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
3021 (min_max_operator): New predicate.
3022 (rs6000_emit_cmove): New function.
3023 (rs6000_emit_minmax): New function.
3024 * config/rs6000/rs6000-protos.h: Prototype new functions.
3025 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
3026 and min_max_operator.
3028 * config/rs6000/rs6000.c (output_cbranch): Handle all
3029 conditional types in the switch statement.
3031 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3033 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
3034 non-register variables.
3035 * extend.texi: Document that asm-specifications do not make sense
3036 for non-static local variables.
3038 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
3040 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
3041 (dbxout_type_fields): Lose minimal_debug support.
3042 (dbxout_type_methods, dbxout_type): Likewise.
3044 2001-05-17 Andrew Haley <aph@redhat.com>
3046 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3048 2001-05-21 Richard Henderson <rth@redhat.com>
3050 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
3053 2001-05-20 Richard Henderson <rth@redhat.com>
3055 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3056 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
3057 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
3058 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3059 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
3061 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3062 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
3063 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
3064 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3065 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3066 DEBUG_PUBNAMES_SECTION): Rename as above.
3067 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3069 2001-05-20 Richard Henderson <rth@redhat.com>
3071 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
3072 operands unless the operation is commutative.
3074 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3076 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
3079 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
3081 * extend.texi: Clarify documentation of extensions included in ISO
3082 C99. Prefer C99 terminology and syntax to old GNU terminology and
3083 syntax. Add more index entries. Document mixed declarations and
3084 code as an extension in C89 mode. Warn about future changes to
3085 semantics of inline functions. Fixes PR other/930.
3087 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3089 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
3090 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3091 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
3092 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3094 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
3096 2001-05-20 Richard Henderson <rth@redhat.com>
3098 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
3099 to be output before a branch.
3101 2001-05-20 Richard Henderson <rth@redhat.com>
3103 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
3105 2001-05-20 Richard Henderson <rth@redhat.com>
3107 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
3108 (ASM_DOUBLE): Remove.
3109 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
3110 * config/i386/sun386.h: Likewise.
3112 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
3113 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
3115 * config/i386/cygwin.h (INT_ASM_OP): Remove.
3116 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
3117 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
3118 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
3120 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
3121 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
3122 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
3123 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
3124 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
3125 * config/i386/win32.h: Likewise.
3127 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3129 * invoke.texi: Add more options to summary list.
3131 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3133 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
3134 used. Fixes PR c/2291.
3135 * gcc.1: Regenerate.
3137 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3139 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
3140 the -fpic and -fPIC options, clear flag_pic.
3142 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * hashtable.c (calc_hash): Fix HASHSTEP definition.
3145 * stringpool.c (make_identifier): No statistics here anymore.
3146 * objc-act.c (steup_string_decl): Remove redundant check.
3148 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3150 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
3151 cpplib.o, cpphash.o, fix-header): Update.
3152 (hashtable.o): New target.
3153 * c-common.h: Include cpplib.h. Define C_RID_CODE and
3154 struct c_common_identifier here.
3155 * c-lang.c (c_init_options): Update. Call set_identifier_size.
3156 * c-lex.c (c_lex): Update.
3157 * c-pragma.h: Update.
3158 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
3160 (C_RID_CODE): Delete.
3161 * cpphash.c: Rewrite to use hashtable.c.
3162 * cpphash.h: Update include guards.
3163 (struct cpp_reader): Remove hashtab.
3164 hash_ob and buffer_ob are no longer pointers. Add hash_table
3166 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
3167 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
3168 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
3169 * cppinit.c (cpp_create_reader): Update.
3170 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
3171 (cpp_interpret_charconst): Eliminate warning.
3172 * cpplib.c (do_pragma, do_endif, push_conditional,
3173 cpp_push_buffer, cpp_pop_buffer): Update.
3174 (_cpp_init_stacks): Rename cpp_init_directives.
3175 (_cpp_cleanup_stacks): Remove.
3176 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
3177 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
3178 cpp_forall_identifiers, cpp_create_reader): Update.
3179 (C_RID_CODE, cpp_make_node): New.
3180 (c_common_identifier): New identifier node for C front ends.
3181 * cppmain.c (main): Update.
3182 * fix-header.c (read_scan_file): Update.
3183 * flags.h (id_clash_len): Make unsigned.
3184 * ggc.h (ggc_mark_nonnull_tree): New.
3187 * stringpool.c: Update comments and copyright. Update to use
3189 * toplev.c (approx_sqrt): Move to hashtable.c.
3190 (id_clash_len): Make unsigned.
3191 * toplev.h (ident_hash): New.
3192 * tree.c (gcc_obstack_init): Move to hashtable.c.
3193 * tree.h: Include hashtable.h.
3194 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
3195 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
3196 (struct tree_identifier): Update.
3197 (make_identifier): New.
3199 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
3200 (C_RID_CODE): Remove.
3201 * lex.c (cxx_init_options): Call set_identifier_size. Update.
3202 (init_parse): Don't do it here.
3204 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
3206 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
3208 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
3210 (expand_eh_return): Convert between word_mode and Pmode.
3211 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
3213 (execute_stack_op): Likewise.
3214 (execute_cfa_program): Likewise.
3215 (uw_frame_state_for): Likewise.
3216 (uw_update_context_1): Likewise.
3217 * unwind.inc (_Unwind_Reason_Code): Likewise.
3218 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
3219 (EH_RETURN_STACKADJ_RTX): Likewise.
3220 * config/mips/mips.c (compute_frame_size): Make space for saving
3221 EH return registers.
3222 (mips_expand_epilogue): Handle EH stack adjustments.
3223 * config/mips/mips.md (eh_return): New pattern.
3224 (eh_set_lr_si): Likewise.
3225 (eh_set_lr_di): Likewise.
3226 Add splitter to perform EH return after reload.
3228 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3230 * jump.c (mark_jump_label): Tidy previous change.
3232 2001-05-19 Bruce Korb <bkorb@gnu.org>
3234 * fixinc/genfixes: no need for two warnings
3235 * fixinc/Makefile.in: open stdin for those building with a closed one.
3237 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3239 * jump.c (jump_optimize_1): Tidy.
3240 (mark_jump_label): When changing the label in a LABEL_REF, change
3241 update any REG_EQUAL notes as well.
3243 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
3245 * c-parse.in (parm_declarator): Split into
3246 parm_declarator_starttypename and parm_declarator_nostarttypename.
3247 (parm_declarator_starttypename, parm_declarator_nostarttypename):
3248 New. Allow parenthesised sub-declarators which don't begin with a
3249 TYPENAME. Fixes PR c/166.
3251 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3253 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
3255 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3257 * toplev.c (main): If the target does not allow profiling without
3258 a frame pointer, issue an error message.
3259 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3262 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3264 * recog.c (general_operand): Modify last change to allow it if reload
3267 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3269 * recog.c (general_operand): Prohibit nonzero subreg bytes on
3270 subregs containing mem.
3272 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
3274 * regrename.c (regrename_optimize): frame pointer register can
3277 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
3279 * README.DWARF: Move into dwarfout.c.
3281 2001-05-18 Dale Johannesen <dalej@apple.com>
3283 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
3284 specific misuse of r0 as a reload address.
3286 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
3288 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
3291 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3293 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
3294 (add_to_sequence): Make that decision type.
3295 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
3296 (write_switch, write_cond, debug_decision_2): Likewise.
3298 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
3300 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
3303 2001-05-18 Stan Shebs <shebs@apple.com>
3305 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
3306 * configure: Regenerate.
3308 2001-05-18 Per Bothner <per@bothner.com>
3310 Changes needed for java/jvspec.c
3311 * gcc.h (n_infiles, outfiles): Add declarations.
3312 * gcc.c (n_infiles, outfiles): Mske no longer static.
3314 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
3316 * config/pa/som.h (EXCEPTION_SECTION): Define.
3318 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
3320 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
3322 Add have_location_lists, a variable to determine whether we need a
3323 .debug_loc section or not.
3324 (enum dw_val_class): Add dw_val_class_loc_list.
3325 (dw_val_struct): Add val_loc_list.
3326 (dw_loc_list_struct): New structure, represents location lists.
3327 (new_loc_list): New function, return a new location list, given
3328 the range and location expression.
3329 (add_loc_descr_to_loc_list): New function, add a location
3330 expression to a location list, given the expression and range.
3331 (output_loc_list): New function, output a location list.
3332 (gen_internal_sym): Modified to take symbol prefix, so we can
3333 reuse it for location list symbols.
3334 (add_AT_loc_list): New function, add a location list to a DIE at
3335 the named attribute.
3336 (AT_loc_list): New function, return the location list reference
3337 for a given attribute, if it's a location list.
3338 (print_die): Handle dw_val_class_loc_list.
3339 (size_of_die): Ditto.
3340 (value_format): Ditto.
3341 (output_die): Ditto.
3342 (output_location_lists): New function, output all of the location
3343 lists for a DIE and it's children.
3344 (dwarf2out_finish): Call output_location_lists if we have location
3348 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3350 * gcse.c (try_replace_reg): First try global replace, later try to
3351 simplify the expression.
3353 * gcse.c (find_used_regs): Change calling convention; work via
3355 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
3357 2001-05-18 Bernd Schmidt <bernds@redhat.com>
3360 2001-02-09 Nick Clifton <nickc@redhat.com>
3361 * config/arm/arm.md: Change output constraint on post inc
3362 load/store multiple patterns to be a read/write constraint.
3364 2001-05-18 Mark Mitchell <mark@codesourcery.com>
3366 * basic-block.h (struct basic_block_def): Add documentation about
3367 what a basic block is, and what the various fields are used for.
3368 * flow.c (calculate_globlal_regs_live): Add documentation about
3369 how the algorithm works, and how we know that it will terminate.
3370 Check that the the inductive assumption that guarantees
3371 termination actually holds.
3372 (mark_used_regs): Treat conditionally set registers as used.
3373 (debug_regset): Add comment.
3374 * rtl.texi (cond_exec): Add documentation.
3376 * function.c (expand_function_start): Avoid creating BLKmode
3379 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3381 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
3382 DIE, even if it has no children.
3383 (dwarf2out_finish): Always output the line-number table, even if
3386 2001-05-18 David Edelsohn <edelsohn@gnu.org>
3388 * rs6000.md (movsfcc,movdfcc): Remove NE case.
3390 2001-05-17 Bruce Korb <bkorb@gnu.org>
3392 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
3393 * fixinc/genfixes: emit a warning if AutoGen is out of date
3395 2001-05-17 Brendan Conoboy <blc@cygnus.com>
3396 Bruce Korb <bkorb@gnu.org>
3398 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
3399 found in fixinc directory. Facilitates binary distributions.
3401 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
3403 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
3406 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
3408 * dwarf2out.c (modified_type_die): Equate qualified type to die.
3410 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3412 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
3413 (simplify_subreg): Handle complex types represented as CONCAT.
3415 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
3416 * rtl.h (swap_commutative_operands_p): Declare.
3417 * rtlanal.c (swap_commutative_operands_p): New.
3418 (operand_preference): New static function.
3420 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
3421 (gen_binary): Likewise.
3422 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
3423 * simplify-rtx.c (simplify_gen_binary,
3424 simplify_gen_relational): Likewise.
3426 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3428 * cse.c (fold_rtx): Use simplify_subreg.
3430 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
3431 (simplify_gen_subreg): New.
3432 (simplify_rtx): Use simplify_subreg.
3433 * rtl.h (simplify_gen_subreg): Declare.
3435 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3437 * doc/install.texi: Update Solaris information.
3439 * except.h (protect_cleanup_actions): Remove it.
3440 (lang_protect_cleanup_actions): Declare it.
3441 * except.c (protect_cleanup_actions): Remove it.
3442 (lang_protect_cleanup_actions): New variable.
3443 (init_eh): Don't make protect_cleanup_actions a GC root.
3444 (expand_eh_region_and_cleanup): Call
3445 lang_protect_cleanup_actions.
3446 (output_function_exception_table): Remove unused `align'
3448 * varasm.c (assemble_external): Abort if we have not yet
3449 opened the assembly output file.
3451 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
3453 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
3454 for eh_personality_libfunc.
3456 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3458 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
3459 when calling simplify_subreg. This is needed to allow replacing
3460 of expression of one mode by expression of different mode.
3462 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3464 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
3466 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3468 * expr.c (protect_from_queue): Protect against subsequent calls to
3470 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
3473 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
3475 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
3477 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3479 * gccbug.in (CATEGORIES): Add "bootstrap".
3481 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3483 * simplify-rtx.c (simplify_subreg): Break out from ...
3484 * combine.c (combine_splify_rtx) ... here and ...
3485 * recog.c (validate_replace_rtx_1): ... here;
3486 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3487 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3488 (subreg_lowpart_p): ... here.
3490 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3492 * stmt.c (expand_asm_operands): For inout operands, make sure
3493 the substitution of '=' for '+' makes it into the rtl.
3495 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3496 (reload_as_needed): Call update_eliminable_offsets a bit later.
3498 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3500 * gcc.texi (gccbug): Refer to the web pages for detailed information
3503 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3505 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3507 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3508 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3509 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
3510 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
3511 * cross-make: Don't set LIBGCC1.
3512 * mklibgcc.in: Delete all code for building from libgcc1.c.
3513 Always honor LIB1ASMFUNCS if set.
3515 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3516 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3517 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3518 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3519 config/i386/uwin.asm, config/m68hc11/larith.asm,
3520 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3521 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3522 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3523 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3524 Delete or update references to libgcc1 in commentary.
3526 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3527 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3528 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3529 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3530 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3531 config/arm/t-semi, config/arm/t-strongarm-coff,
3532 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3533 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3534 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3535 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3536 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3537 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3538 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3539 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3540 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3541 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3542 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3543 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3544 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3545 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3546 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3547 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3548 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3549 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3550 config/mips/t-ultrix, config/mn10200/t-mn10200,
3551 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3552 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3553 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3554 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3555 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3556 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3557 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3558 config/sparc/t-sparclite, config/sparc/t-splet,
3559 config/sparc/t-sunos41, config/sparc/t-vxsparc,
3560 config/sparc/t-vxsparc64, config/v850/t-v850:
3561 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3563 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3564 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3565 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3566 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3567 nongcc_SI_type, nongcc_word_type, or perform_*
3568 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3570 * config/i386/386bsd.h, config/i386/beos-elf.h,
3571 config/i386/linux-aout.h, config/i386/linux-oldld.h,
3572 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3573 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3574 Don't include i386/perform.h.
3576 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3577 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3578 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3579 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3580 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3581 config/vax/t-openbsd, config/vax/t-vax: Delete.
3583 * config.gcc: Remove references to deleted files.
3584 (arm-semi-aof): Use arm/t-semi for tmake_file.
3586 * gcc.texi, install.texi, invoke.texi, tm.texi:
3587 Delete or rewrite text which is no longer relevant now that
3588 libgcc1 no longer exists.
3590 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3591 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3593 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3594 Bruce Korb <bkorb@gnu.org>
3596 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3599 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3601 * i386.md: Add two peepholes to clean up code generated by
3604 2001-05-16 Richard Henderson <rth@redhat.com>
3606 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3607 variants of non-absolute encodings.
3609 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3611 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3612 __register_frame_info_table_bases): Export.
3614 2001-05-16 Richard Henderson <rth@redhat.com>
3616 * except.c (eh_data_format_name): Move to ...
3617 * dwarf2asm.c: ... here. Use designated initializers if available.
3618 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3619 * dwarf2asm.h: Update declarations.
3620 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3621 ASM_PREFERRED_EH_DATA_FORMAT.
3622 (output_call_frame_info): Likewise. Use 'L' augmentation for
3625 * unwind-dw2-fde.h (struct fde_vector): New.
3626 (struct old_object): Rename from struct object.
3627 (struct object): New.
3628 (__register_frame_info_bases): Declare.
3629 (__register_frame_info_table_bases): Declare.
3630 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3631 * unwind-dw2-fde.c (objects): Remove.
3632 (unseen_objects, seen_objects): New.
3633 (__register_frame_info_bases): New.
3634 (__register_frame_info): Use it.
3635 (__register_frame_info_table_bases): New.
3636 (__register_frame_info_table): Use it.
3637 (__deregister_frame_info): Rewrite for changed object struct.
3638 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3639 (fde_unencoded_compare): Rename from fde_compare; uninline.
3640 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3641 (start_fde_sort): Adjust for new definition of fde_vector.
3642 (fde_insert): Likewise.
3643 (end_fde_sort): Likewise. Select comparison function based
3644 on properties of the object.
3645 (fde_split): Take object and fde_compare_t arguments.
3646 (frame_heapsort, fde_merge): Likewise.
3647 (classify_object_over_fdes): Rename from count_fdes. Handle
3648 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3650 (add_fdes): Handle encoded pointers.
3651 (init_object): Rename from frame_init. Update for new struct object.
3652 (linear_search_fdes): Rename from search_fdes. Handle encoded
3654 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3655 (binary_search_single_encoding_fdes): New.
3656 (binary_search_mixed_encoding_fdes): New.
3657 (search_object): New.
3658 (_Unwind_Find_FDE): Update for new struct object. Fill in
3660 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3661 iterating over EH data.
3662 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3663 fde_encoding, lsda_encoding.
3664 (read_uleb128, read_sleb128): Remove.
3665 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3666 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3667 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3669 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3671 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3673 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3674 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3675 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3676 cpp_spell_token, cpp_output_token): Similarly.
3677 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3678 do_pragma_poison, parse_assertion, do_assert): Similarly.
3679 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3680 save_parameter, _cpp_create_definition, check_trad_stringification,
3681 cpp_macro_definition): Similarly.
3682 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3683 * c-lex.c (cb_undef, c_lex): Similarly.
3684 * fix-header.c (recognized_function): Similarly.
3685 * cpplib.h (NODE_LEN, NODE_NAME): New.
3686 (cpp_hashnode): Rename length len.
3688 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3690 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3693 2001-05-16 Andreas Jaeger <aj@suse.de>
3695 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3697 * toplev.c: Include dwarf2asm.h for prototype of
3698 dw2_output_indirect_constants.
3700 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3702 * stmt.c (expand_asm_operands): Be able to offload addressof
3703 expression to memory. (PR optimization/185)
3705 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3707 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3708 applying distributive law.
3710 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3712 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3714 * gthr-dce.h (UNUSED): Attribute unused macro.
3715 (__gthread_key_dtor): Make arguments UNUSED.
3716 (__gthread_key_delete): Revise for compatibility with DRAFT4
3719 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3721 * doc/install.texi: Update AIX information.
3722 * README.RS6000: Remove obsolete file.
3724 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3725 Nathan Sidwell <nathan@codesourcery.com>
3727 * gcc.c (give_switch): Don't write before start of string.
3728 Always append suffix.
3730 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3732 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3735 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3737 * README.ALTOS: Remove obsolete file.
3739 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3741 * c-lex.h (save_and_forget_protocol_qualifiers,
3742 forget_protocol_qualifiers, remember_protocol_qualifiers):
3743 Remove deleted functions' prototypes.
3745 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3747 * c-parse.in (methodtype): New production.
3748 (methoddef, methodproto): Collapse separate '-' and '+'
3751 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3753 * c-common.h (RID_FIRST_PQ): New.
3754 * c-parse.in (objc_pq_context): New.
3755 (objc parser): Set objc_pq_context rather than calling
3756 remember_protocol_qualifiers and forget_protocol_qualifiers.
3757 Don't call save_and_forget_protocol_qualifiers.
3758 (yylexname): Handle objc protocol qualifiers here.
3759 * stringpool.c (struct str_header): Replace with sp_hashnode.
3760 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3761 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3762 Allocate an IDENTIFIER_NODE for each identifier.
3763 (FORALL_STRINGS, set_identifier): Delete.
3764 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3765 (ggc_alloc_string): Use an obstack.
3766 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3767 * tree.h: Update comments.
3768 (set_identifier): Delete.
3769 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3770 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3771 remember_protocol_qualifiers): Delete.
3773 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3775 * flow.c (life_analysis): After life analysis is complete, do
3776 an optional scan over insns looking for REG_LABEL notes that
3777 reference a deleted label.
3778 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3779 before peeking at LABEL_NUSES.
3781 2001-05-15 Richard Henderson <rth@redhat.com>
3783 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3784 (_Unwind_GetTextRelBase): New.
3786 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3788 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3790 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3792 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3793 so that CHOOSE_SECTION gets used.
3795 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3796 TARGET_RELOCATABLE like flag_pic for now.
3798 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3800 * rs6000.md (movdi splitter): Sign extend more efficiently.
3801 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3802 to "long long" valid on 32-bit and 64-bit hosts.
3803 (logical_operand): Cast trunc_int_for_mode return value.
3804 (rs6000_emit_move): Shift macro to encapsulate variable.
3805 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3806 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3807 plus_constant requires signed argument.
3809 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3811 * gthr-posix.h: Make additional pthread-* functions weak.
3813 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3815 * recog.c (apply_change_group): Avoid unneeded validating.
3817 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3819 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3820 (num_insns_constant): CONST_INT can be 64-bits.
3822 2001-05-14 Stan Shebs <shebs@apple.com>
3824 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3825 (LIBGCC_SPEC): Don't define.
3827 2001-05-14 Richard Henderson <rth@redhat.com>
3829 * configure.in (gcc_cv_as_eh_frame): New test.
3830 * config.in, configure: Rebuild.
3831 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3833 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3835 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3836 extended precision divide.
3838 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3840 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3841 for RETURNS as well.
3843 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3845 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3846 (CPP_CPU??_SIZE_TYPE): New.
3847 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3848 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3849 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3850 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3852 * i386.c (override_options): Add sorry about not suported modes.
3854 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3856 * config/pa/som.h (NM_FLAGS): Remove.
3857 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3858 (ASM_OUTPUT_SECTION_NAME): Remove.
3859 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3861 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3863 * regrename.c (regrename_optimize): Do not rename registers to
3866 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3868 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3869 contain MEMs. Remove useless distinction about clobbering
3872 2001-05-13 Geoff Keating <geoffk@redhat.com>
3874 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3875 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3876 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3877 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3878 (EXCEPTION_SECTION): Define.
3880 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3882 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3883 binary backward compat only.
3884 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3885 in LIB2FUNCS. Pass it to mklibgcc.
3886 * mklibgcc.in: Handle LIB2FUNCS_ST.
3888 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3890 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3892 * tm.texi (THREAD_MODEL_SPEC): Document it.
3893 * gcc.c (main): Use it.
3894 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3895 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3897 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3899 * rtl.h (SYMBOL_REF_WEAK): New macro.
3900 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3901 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3902 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3903 * gcc.texi: Remove wrong description.
3905 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3907 * Makefile.in (STAMP): New macro.
3908 Replace all uses of `touch' with $(STAMP).
3909 * fixinc/Makefile.in: Likewise.
3911 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3913 * configure.in: ldopen is never in -lexc, so don't test for it.
3914 Add test for exc_resume in -lexc for Ada.
3915 * configure: Regenerated.
3917 2001-05-12 Richard Henderson <rth@redhat.com>
3919 * dwarf2asm.c (size_of_encoded_value): New function.
3920 * dwarf2asm.h: Declare it.
3921 * except.c (output_function_exception_table): Align the TType
3922 array only as wide as the encoding.
3924 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3926 * extend.texi: Document #pragma GCC java_exceptions.
3928 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3930 * c-parse.in (bison parser, init_reswords): Remove uses of
3932 * c-tree.h (doing_objc_thang): Remove.
3934 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3936 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3937 about files not ending in newlines.
3939 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3941 * dwarfout.c (dwarfout_init): Add cast.
3942 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3943 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3945 * method.c (build_mangled_C99_name): Remove unused prototype.
3947 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3949 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3951 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3953 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3954 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3956 2001-05-11 Richard Henderson <rth@redhat.com>
3958 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3959 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3960 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3961 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3962 (dw2_output_indirect_constants): Prototype.
3963 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3964 current_function_func_begin_label if we'll need it for EH. Exit
3965 early for IA64_UNWIND_INFO.
3966 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3967 (eh_data_format_name): Update for indirect references.
3968 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3969 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3970 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3971 define HAVE_eh_return etc.
3972 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3973 (final_end_function): Don't call output_function_exception_table.
3974 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3975 (rest_of_compilation): Invoke output_function_exception_table
3976 for ia64 before assemble_end_function.
3977 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3978 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3980 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3981 * unwind.h: Declare them.
3982 * libgcc-std.ver: Export them.
3983 * unwind-pe.h: New file.
3985 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3987 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3989 (find_fde_for_dso): Extract DT_PLTGOT.
3990 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3991 the segment and gp as well.
3992 * config/ia64/frame-ia64.c: Remove file.
3993 * config/ia64/frame-ia64.h: Remove file.
3994 * config/ia64/unwind-ia64.c: New file.
3995 * config/ia64/unwind-ia64.h: New file.
3996 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3997 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3998 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3999 (ASM_PREFERRED_EH_DATA_FORMAT): New.
4000 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
4001 (IA64_UNWIND_INFO): Re-enable.
4002 (HANDLER_SECTION): Remove.
4003 (EH_RETURN_DATA_REGNO): New.
4004 * config/ia64/ia64.md (exception_receiver): Remove.
4005 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
4006 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
4008 2001-05-11 Richard Henderson <rth@redhat.com>
4010 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
4011 calls and jumps to be bundled together.
4012 (ia64_reorg): Emit a break after a noreturn call that ends
4014 * config/ia64/ia64.md (break_f): New.
4016 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
4018 * c-lex.c (lex_charconst): Convert into a simple wrapper
4019 around cpp_interpret_charconst, to which most of the code
4021 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
4022 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
4023 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
4024 (lex): Use cpp_interpret_charconst.
4025 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
4026 hex_digit_value): New functions.
4027 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
4028 * cpplib.h (cpp_interpret_charconst): New prototype.
4029 * Makefile.in: Update.
4031 2001-05-12 Dean Wakerley <dean@wakerley.com>
4033 * doc/install.texi: New file. Converted to texinfo from the HTML
4034 documentation in wwwdocs/htdocs/install.
4036 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
4038 * gcse.c (insert_insn_end_bb): Do not search for assignments to
4039 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4041 * toplev.c (compile_file): Move comment for opening output
4042 file to just before the code that opens the output file.
4044 2001-05-11 Jakub Jelinek <jakub@redhat.com>
4046 * regmove.c (regmove_optimize): Suppress the optimization for
4047 unchanging destination register. Add comment above function.
4049 2001-05-11 Zack Weinberg <zackw@stanford.edu>
4051 * Makefile.in: Exterminate all references to assert.h.
4052 * cross-make: Likewise.
4054 * configure.in: Correct commentary.
4055 * configure: Regenerate.
4057 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
4060 * config/t-freebsd, config/t-linux, config/t-linux-aout,
4061 config/t-netbsd, config/t-rtems, config/x-linux,
4062 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
4063 No need to override INSTALL_ASSERT_H.
4065 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
4066 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
4067 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
4069 2001-05-11 Graham Stott <grahams@redhat.com>
4071 * combine.c (simplify_comparison): Fix typo.
4073 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4075 * loop.h (struct movables): Remove `num'.
4076 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
4077 Adjust call to strength_reduce.
4078 (num_unmoved_movables): New function.
4079 (move_movables): Don't set movables->num.
4080 (strength_reduce): Compute the number of instructions in the loop
4081 here, rather than in the caller.
4082 (check_dbra_loop): Always clear reversible_mem_store if there
4083 are any memory sets.
4084 (loop_regs_scan): Don't count instructions here.
4085 (count_insn_in_loop): New function.
4087 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4089 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
4091 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
4093 * c-common.c (finish_label_expr): New function, lifted from
4094 from cp/semantics.c.
4095 * c-common.h (finish_label_expr, lookup_label): New prototypes.
4096 * c-parse.in: Move 3 blocks of parser code into new functions.
4097 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
4098 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
4099 (lookup_label): Remove.
4101 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
4103 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
4104 FLOAT_BIT_ORDER_MISMATCH.
4106 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4108 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
4109 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
4111 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4113 * expr.c (emit_group_load): extract_bit_field requires a REG or
4116 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
4118 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
4119 a computed jump into an unconditional jump.
4120 In second hunk of code for collapsing computed and conditional jumps
4121 into unconditional jumps, reemit the jump in additional cases.
4123 * jump.c (jump_optimize_1): Do not wrap the new jump target
4124 inside a LABEL_REF; gen_jump will do that automatically.
4126 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
4128 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
4129 contents for a SYMBOL_REF in case of floating point constants.
4131 2001-05-10 DJ Delorie <dj@redhat.com>
4133 * c-common.c (combine_strings): Widen strings in a
4134 host-endian-independent way.
4136 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
4138 * c-parse.in: Remove many shift/reduce conflicts. Update
4140 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4141 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4142 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4143 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4144 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4145 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4146 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4147 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
4148 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
4149 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
4150 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
4151 typespec_reserved_nonattr, typespec_reserved_attr,
4152 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
4153 structsp_nonattr, components_notype, component_notype_declarator,
4154 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
4155 firstparm, setspecs_fp): New
4156 (typed_declspecs, reserved_declspecs, typed_typespecs,
4157 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
4158 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
4159 declmods_no_prefix_attr, nonempty_type_quals, structsp,
4160 type_quals): Remove. Users updated.
4161 (initdecls, notype_initdecls, after_type_declarator,
4162 parm_declarator, notype_declarator, absdcl1, components, ivars):
4163 Don't allow attributes at the start of a declarator; include them
4164 in the production containing the declarator instead. Always
4165 require type specifiers before trying to redeclare a typedef name.
4166 (typename): Allow for attributes but warn that they are ignored.
4167 (parmlist, firstparm, setspecs_fp): Include attributes in
4168 parmlist; suck them off the parser stack in firstparm using
4171 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
4173 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
4174 to determine if a block has an unconditional jump at its end.
4176 * jump.c (jump_optimize_1): When converting a conditional jump
4177 to an unconditional jump, build the jump using gen_jump instead
4178 of just modify operands in-place.
4180 2001-05-09 Zack Weinberg <zackw@stanford.edu>
4182 * cppinit.c (cpp_post_options): Shut off macro expansion if
4184 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
4185 IN_I directives only if the # is in column 1 and the directive
4186 name begins in column 2.
4187 * cppmain.c (scan_buffer): Insert a space between # and an
4188 identifier, when that identifier is a directive name.
4190 * tradcpp.c (struct file_buf): Add a pointer to the next entry
4191 in the header search path.
4192 (enum node_type): Add T_INCLUDE_NEXT.
4193 (directive_table): Add entry for include_next.
4194 (do_include_next): New function.
4195 (process_include): New routine, broken out of do_include.
4196 (finclude): Insert 'nhd' argument, to be copied into
4197 next_header_dir of the new buffer.
4198 (main): Adjust to match.
4199 * gsyslimits.h, limity.h: Un-indent #include_next.
4201 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
4203 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
4204 inclusion as a chapter of the GCC manual.
4205 * gcc.texi: Include objc.texi.
4206 * fdl.texi: Use @unnumberedsec for the addendum.
4207 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
4209 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4211 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
4213 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
4215 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
4216 handling of two-address insns.
4218 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
4220 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
4221 ../binutils/nm-new instead of ../binutils/nm.
4223 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
4225 * i386.md (movdi splitter): Fix the splitting condition
4226 (float_extenddftf splitter): Fix mode.
4228 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4230 * genrecog.c (write_switch): Avoid outputting of switch for
4231 types wider than int.
4233 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
4235 * reload1.c (copy_eh_notes): New function.
4236 (emit_input_reload_insns): Call it.
4237 (emit_output_reload_insns): Call it.
4239 2001-05-07 Zack Weinberg <zackw@stanford.edu>
4241 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
4243 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
4244 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
4246 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
4248 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
4250 * pa.md (interspace_jump): Revise comment.
4251 (builtin_longjmp): Block initial setup insns from delay slot of
4253 (builtin_setjmp_receiver): New expander to save and restore PIC
4256 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
4258 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
4260 * toplev.c (compile_file): Set up the output file before we call
4261 the various initializers for the compiler.
4263 * except.c (sjlj_mark_call_sites): Do not search for assignments to
4264 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4266 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
4267 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
4269 2001-05-06 Zack Weinberg <zackw@stanford.edu>
4271 * Makefile.in (tradcpp0): Correct typo in dependency list.
4273 2001-05-06 Geoff Keating <geoffk@redhat.com>
4275 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
4276 the link register if we're not going to use it.
4278 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
4279 (output_function_profiler): Likewise.
4281 2001-05-07 Alan Modra <amodra@one.net.au>
4283 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
4285 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
4287 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
4288 zero-extend it. Make abs_inc unsigned.
4290 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
4291 widest mode in narrowing and widening operations.
4293 * config/mips/mips.md: Sign extend CONST_INTs.
4295 2001-05-06 Andreas Jaeger <aj@suse.de>
4297 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
4298 (i386 Options): Document -momit-leaf-frame-pointer.
4300 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
4302 * c-typeck.c (internal_build_compound_expr): Check for
4303 array to pointer conversion just once.
4305 2001-05-05 Richard Henderson <rth@redhat.com>
4307 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
4309 2001-05-05 Richard Henderson <rth@redhat.com>
4311 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
4312 to the parent of the fixup region.
4314 2001-05-05 Jakub Jelinek <jakub@redhat.com>
4316 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
4318 * cpp.texi (__NO_INLINE): Document it.
4320 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
4322 * cppfiles.c (struct include_file): New member err_no.
4323 (find_or_create_entry): Set it.
4324 (open_file): Don't set fds to -2. Instead, use err_no to
4325 remember previous errors, if any.
4327 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4329 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
4330 between X and Y by using sequences of xgdx and xgdy.
4332 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4334 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
4335 of '!' for the 'D' alternative ('!' is too strong).
4336 ("*logicalsi3_silshl16"): Likewise.
4337 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
4338 ("movstrictsi"): Remove spurious '+'.
4339 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
4340 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
4341 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
4344 2001-05-04 David Edelsohn <edelsohn@gnu.org>
4346 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
4348 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
4350 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
4353 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4355 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
4358 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4360 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
4361 soft register, use ror instead of rol.
4363 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4365 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
4366 into account pre/post increment decrement for 68HC12.
4367 Fix other problems in replacement and fix call to reg_mentioned_p.
4369 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4371 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
4372 Put the soft registers in bss for 68HC12.
4373 (L_regs_d3_4): New for _.d3 and _.d4.
4374 (L_regs_d5_6): Likewise.
4375 (L_regs_d1_2): Likewise.
4376 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
4378 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4380 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
4381 to the pre-processor when -fshort-double is specified.
4382 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
4384 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4386 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
4387 (__mulsi3): Rewrite for 68HC12.
4388 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
4389 Mark 'x' constraint with earlyclobber to prevent a
4390 RELOAD_FOR_OTHER_ADDRESS to go in it.
4391 (mulhi3_m68hc12): New pattern.
4392 (mulhi3_m68hc11): Rename of mulhi3.
4393 (mulhi3): New expand for 68HC12 optimisation.
4394 (umulhisi3, mulhisi3): New patterns for 68HC12.
4396 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4398 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
4399 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
4400 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
4402 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4404 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
4405 constants cheap after reload.
4406 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
4408 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
4409 so that gcc prefers a shift by 16.
4410 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
4412 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
4414 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
4416 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4418 * alpha.h: NULL_PTR -> NULL.
4425 * i386.md: Likewise.
4428 * m68hc11.h: Likewise.
4429 * rs6000.h: Likewise.
4432 * sparc.h: Likewise.
4436 * final.c: Likewise.
4438 * recog.c: Likewise.
4440 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4442 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
4443 `bool' parameter to `int'.
4445 * hash.c (hash_lookup): Likewise.
4447 * hash.h (hash_lookup): Likewise.
4449 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
4451 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4453 * i386.c (x86_initialize_trampoline): Fix mode of constant.
4455 2001-05-03 Geoff Keating <geoffk@redhat.com>
4457 * invoke.texi (i386 Options): Delete references to -malign-jumps,
4458 -malign-loops, -malign-functions.
4459 * i386.c (ix86_align_funcs): Delete.
4460 (ix86_align_loops): Delete.
4461 (ix86_align_jumps): Delete.
4462 (override_options): Mark -malign-* as obsolete. Emulate their
4463 behaviour with the -falign-* options. Default -falign-* from
4464 the processor table.
4465 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
4466 patch of Wed May 2 13:09:36 2001.
4467 (LOOP_ALIGN): Delete.
4468 (LOOP_ALIGN_MAX_SKIP): Delete.
4469 (LABEL_ALIGN_AFTER_BARRIER): Delete.
4470 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
4472 2001-05-04 Andreas Jaeger <aj@suse.de>
4474 * except.h: Add prototype declaration for
4475 expand_builtin_init_dwarf_reg_sizes.
4477 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
4479 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4481 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4483 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4485 ("bitcmpqi2"): New pattern for bit-extract and test.
4486 ("bitcmphi"): New pattern for bitb/bita instructions.
4488 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
4490 * gccbug.in: Use a temporary directory when the mktemp command is
4493 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4495 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4497 (INITIALIZE_TRAMPOLINE): Call it.
4498 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4499 (TRAMPOLINE_TEMPLATE): Remove.
4500 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4501 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4504 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4506 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
4507 and crtendS.o with PIC.
4509 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4511 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4513 (___subdi3, ___adddi3): Use x instead of y as index register.
4514 (__init_bss_section, __map_data_section): Optimize for 68HC12.
4515 (__memset, __memcpy): Likewise.
4516 (regs): Put the soft registers in bss for 68HC12.
4517 (abort): Use trap to abort for 68hc12.
4518 (__mulhi3, __mulhi32): Use emul for 68hc12.
4519 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4521 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4523 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4524 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4525 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4526 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4527 Set 68HC12 min offset to -65536.
4528 (print_operand): Put parenthesis arround the operand if it refers
4529 to a symbol having the same name as a register.
4530 (m68hc11_z_replacement): When z register is replaced by its
4531 equivalent soft register, force the insn to be re-recognized.
4532 (m68hc11_check_z_replacement): Fix the test when destination is
4533 the index register and z dies in the insn.
4534 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4536 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4538 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4539 costs according to processor variant.
4540 (m68hc11_shift_cost): New function to compute shift costs.
4541 (m68hc11_rtx_costs): Define costs according to processor variant.
4542 (m6811_cost): Costs for 68HC11.
4543 (m6812_cost): Costs for 68HC12.
4544 (COSTS_N_INSNS): Remove.
4546 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4547 (DEFAULT_RTX_COSTS): Remove.
4548 (CONST_COSTS): Define costs according to OUTER_CODE.
4549 (processor_costs): New struct to define costs.
4550 (m68hc11_cost): Pointer to current costs.
4552 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4554 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4555 and use m68hc11_notice_keep_cc when using leax/leay.
4556 (addhi3 split): Reject split if the insn is handled by
4558 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4559 push must be handled in a special way if the source operand uses
4560 sp as index register.
4561 (m68hc11_notice_keep_cc): New function.
4562 (m68hc11_gen_movhi): Use it when an insn changes a register but
4564 (m68hc11_gen_movqi): Fix move for 68HC12.
4565 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4567 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4569 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4570 and don't pass operands[0] to emit_library_call_value.
4572 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4574 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4575 (zero_extendsi split): Simplify and use (zero_extendhi).
4576 (*addhi3): Remove 'w' constraint since stack pointer is handled
4578 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4579 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4580 (*ashrhi3_const): Fix shift by 7.
4581 (*lshrsi3_const16): Fix template.
4582 (call, call_value): Fix constraint and predicate.
4584 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4586 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4587 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4588 (CC_REGNUM): Likewise.
4589 (*unnamed splits): Use above constants instead of hard coded numbers.
4590 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4591 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4592 (*return_16bit, *unnamed peepholes): Likewise.
4594 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4596 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4597 rs6000/rs6000.h twice.
4599 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4601 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4602 (CPP_SPEC): Conditionally define MSDOS and GO32.
4603 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4604 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4606 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4608 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4610 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4612 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4614 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4615 * integrate.c (expand_inline_function): Use xcalloc to allocate
4617 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4620 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4622 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4625 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4627 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4628 linker if -mrelax is given.
4629 (TARGET_SWITCHES): Document -mrelax.
4631 Re-installed 2001-01-09's patch:
4632 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4633 if it's wider than long and the target's long is wider than the
4636 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4638 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4639 directly include rs6000/rs6000.h. Instead do it in tm.h.
4641 2001-05-02 Stan Shebs <shebs@apple.com>
4643 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4644 NSConstantString for NeXT-style runtimes.
4645 (STRING_OBJECT_GLOBAL_NAME): New macro.
4646 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4647 OCTI_STRING_CLASS_DECL.
4648 (constant_string_global_id): New macro.
4649 (string_class_decl): Ditto.
4650 (setup_string_decl): New function.
4651 (build_objc_string_object): Use it to build a NeXT runtime
4652 compatible string initializer.
4654 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4656 * tradcpp.c (do_define): Make sure we don't walk past limit.
4658 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4660 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4661 offsets if not REG_OK_STRICT.
4663 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4664 (INT_REG_OK_FOR_INDEX_P): Likewise.
4665 (INT_REG_OK_FOR_BASE_P): Likewise.
4666 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4667 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4668 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4669 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4670 REG_OK_FOR_BASE_P. Take an additional parameter.
4671 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4672 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4673 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4674 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4675 rs6000_legitimate_address() and use it.
4676 * config/rs6000/rs6000.c: Update all callers.
4677 (rs6000_legitimate_address): New function.
4679 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4681 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4682 special_constant conditional blocks together.
4684 2001-05-02 Dale Johannesen <dalej@apple.com>
4686 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4688 (STRICT_ARGUMENT_NAMING): Define.
4689 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4690 function_arg_partial_nregs, setup_incoming_varargs): Remove
4691 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4694 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4696 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4698 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4701 * expr.c (store_field): Do nothing except elaborate side-effects if
4704 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4706 * c-lex.c: NULL_PTR -> NULL.
4708 * emit-rtl.c: Likewise.
4710 * genpeep.c: Likewise.
4712 * mips-tdump.c: Likewise.
4713 * reload1.c: Likewise.
4714 * rtlanal.c: Likewise.
4716 * stor-layout.c: Likewise.
4717 * toplev.c: Likewise.
4719 2001-05-01 Per Bothner <per@bothner.com>
4721 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4722 call do_pending_stack_adjust before emiting label.
4724 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4726 * extend.texi: Fix typo.
4728 2001-05-01 Stan Shebs <shebs@apple.com>
4730 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4731 of UOBJC_MODULES_decl.
4732 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4733 (generate_descriptor_table): Ditto.
4734 (generate_protocols): Ditto.
4735 (generate_protocol_list): Ditto.
4736 (generate_classref_translation_entry): Ditto.
4738 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4740 * invoke.texi (Optimize Options): Add documentation for `--param
4741 max-delay-slot-insn-search' and `--param
4742 max-delay-slot-live-search' and reorder --param section.
4743 * params.def: Modify initial comment.
4744 * params.h (param_info): Add `help' member.
4745 * toplev.c (lang_independent_params): Include `help' description.
4746 (display_help): Print --param parameters.
4748 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4750 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4751 Remove references to deleted files.
4752 (*-*-openbsd): No need to override xmake_file.
4753 (*-*-sysv4): Treat like *-*-sysv.
4755 * configure.in: Probe for ldopen in various places, and set up
4756 collect2 to be linked with them if found.
4757 Don't dink with Windows registry stuff unless $host_os is a
4758 Win32 os name. Check to see if we need -ladvapi32.
4759 * configure: Regenerate.
4761 * Makefile: Get rid of CLIB and HOST_CLIB.
4762 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4763 * build-make: Get rid of HOST_CLIB.
4765 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4766 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4767 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4768 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4769 config/rs6000/x-rs6000: Delete.
4771 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4774 24 x-host fragments remain, 0 x-cpu, 3 top level.
4776 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4778 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4779 * configure: Regenerate.
4781 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4783 * Makefile.in (install-headers): Remove redundant dependency.
4785 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4787 * c-tree.texi (USING_STMT): Document.
4789 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4791 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4792 * c-common.c: Likewise.
4793 * c-decl.c: Likewise.
4794 * combine.c: Likewise.
4795 * rs6000.c: Likewise.
4796 * except.c: Likewise.
4797 * explow.c: Likewise.
4799 * fold-const.c: Likewise.
4800 * function.c: Likewise.
4803 * integrate.c: Likewise.
4805 * objc/objc-act.c: Likewise.
4806 * recog.c: Likewise.
4807 * reg-stack.c: Likewise.
4808 * reload.c: Likewise.
4809 * reload1.c: Likewise.
4810 * simplify-rtx.c: Likewise.
4812 * varasm.c: Likewise.
4814 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4816 * diagnostic.def: New file.
4817 * diagnostic.h (diagnostic_t): New enum.
4818 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4820 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4822 * tsystem.h: Test only POSIX for availability of string.h
4824 * config.gcc (all systems): If USG appeared in xm_defines,
4825 change it to POSIX. If both USG and POSIX appeared, just
4826 delete USG. Remove unnecessary quotes around xm_defines
4828 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4829 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4830 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4831 powerpc-*-linux*): No need to set xm_defines - handled by
4832 global settings for *-*-linux*.
4834 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4836 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4837 Always include gstab.h, not system stab.h. Don't provide
4838 default definitions of N_CATCH or N_OPT. Always use the
4839 gstab.h variant of STAB_CODE_TYPE.
4840 * final.c: Don't include stab.h/gstab.h at all, or provide
4841 defaults for N_SLINE and N_SOL.
4843 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4844 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4846 * sdbout.c: Always include gsyms.h instead of system syms.h.
4848 * configure.in: No need to check for stab.h.
4849 * configure, config.in: Regenerate.
4850 * Makefile.in (final.o): Don't depend on gstab.h.
4852 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4853 Richard Henderson <rth@redhat.com>
4855 * extend.texi: Improve documentation of volatile asms.
4857 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4859 * c-tree.texi: Fix thinko.
4860 * gcc.texi: Likewise.
4862 2001-04-30 Richard Henderson <rth@redhat.com>
4864 * c-common.c (c_promoting_integer_type_p): New function, from the
4865 corpse of old macro. Properly promote too-small enumerations and
4866 booleans. Adjust all callers.
4867 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4868 (c_promoting_integer_type_p): Declare.
4869 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4870 * c-typeck.c: Likewise.
4871 (default_conversion): Remove now redundant boolean check.
4873 2001-04-30 Jan Hubicka <jh@suse.cz>
4874 Richard Henderson <rth@redhat.com>
4876 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4878 (combine_stack_adjustments_for_block): Don't combine stack
4879 allocation followed by deallocations. Handle grow-up stacks.
4881 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4883 * fdl.texi: New file.
4884 * c-tree.texi: Use the GFDL.
4885 * gcc.texi: Likewise.
4887 2001-04-30 Stan Shebs <shebs@apple.com>
4889 * invoke.texi: Add a section documenting Objective-C options.
4891 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4893 * emit-rtl.c (try_split): Copy EH notes to sequence.
4895 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4897 * regmove.c (record_stack_memrefs): Catch all references to the
4900 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4902 * Makefile.in (stmp-fixinc): quote shell assignment values
4904 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4906 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4910 * prefix.c: Likewise.
4912 2001-04-28 Stan Shebs <shebs@apple.com>
4914 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4915 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4916 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4917 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4919 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4920 (NEXT_OBJC_RUNTIME): Define.
4922 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4924 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4925 * simplify-rtx.c (simplify_gen_relational): Likewise.
4927 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4929 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4930 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4932 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4933 registers in SSE case; fix handling of the immediates.
4934 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4935 operands to be in regsiters before reload.
4936 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4937 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4938 (abstf,absxf,negtf,negxf splitters): Compute
4939 properly the regnum for x86_64.
4940 (avsdf2_if_rex64): New.
4942 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4944 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4945 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4946 into the constant pool.
4947 * jump.c (jump_optimize_1): Remove barrier successors after all
4948 the LABEL_NUSES counds have been computed.
4949 (delete_barrier_successors): When deleting a tablejump insn, also
4950 delete the jump table it uses.
4951 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4954 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4956 * pa.c (FRP): Remove erroneous white space in macro definition.
4958 2001-04-28 Andreas Jaeger <aj@suse.de>
4960 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4962 * extend.texi: Likewise.
4963 * tm.texi: Likewise.
4965 2001-04-28 Andreas Jaeger <aj@suse.de>
4967 * md.texi: Use XX-bit instead of XXbit or XX bit where
4970 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4972 * gcc.c (process_command): Allow -l lib in addition to -llib
4973 for POSIX compliance. This fixes PR c/2347.
4975 * invoke.texi: Update section on Link Options accordingly.
4977 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4979 * function.c (purge_addressof_1): Remove the duplicate
4980 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4983 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4985 * except.c (expand_eh_region_start): Don't start a new block.
4986 (expand_eh_region_end): Don't end a block.
4987 * stmt.c (expand_end_bindings): Don't end EH blocks.
4988 (expand_decl_cleanup): Starting an EH region won't change the block.
4989 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4990 (is_eh_region): Lose.
4993 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4995 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4997 * collect2.c (main): Add `-L' case to remove duplicate entries.
4998 (is_in_args): New function to check for a duplicate argument.
4999 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
5000 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
5001 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
5002 Define to be nonzero.
5004 2001-04-27 Andreas Jaeger <aj@suse.de>
5005 Richard Henderson <rth@redhat.com>
5007 * md.texi (Machine Constraints): Document additional i386
5008 constraints and fix description of "A".
5010 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
5012 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
5014 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
5016 * except.c (get_exception_filter): word_mode, not Pmode.
5018 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
5020 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
5021 common to other movsf patterns. Move up so that in future
5022 people who change the other patterns will change it too.
5023 (movsf_lo_sum): Allow even for soft-float; add appropriate
5025 (movsf_high): Likewise.
5026 (movsf_high+1): Allow even for soft-float.
5028 * function.c (expand_function_end): Always clobber the
5029 return registers, even if there is no return label.
5031 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5033 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
5035 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
5037 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
5038 (pushqi2_rex64, pushhi2_rex64): Add.
5040 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
5042 * except.c (expand_eh_region_end_cleanup): Force pending stack
5043 adjust before emitting label that branches around cleanup code.
5045 2001-04-26 H.J. Lu (hjl@gnu.org)
5047 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
5049 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
5051 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
5052 (ASM_OUTPUT_SECTION_NAME): Likewise.
5053 (ASM_WEAKEN_LABEL): Likewise.
5054 (UNIQUE_SECTION): Likewise.
5055 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5056 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5057 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
5058 (ASM_OUTPUT_SECTION_NAME): Likewise.
5059 (ASM_WEAKEN_LABEL): Likewise.
5060 (UNIQUE_SECTION): Likewise.
5061 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5062 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5063 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
5064 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
5065 (ASM_FILE_START): Likewise.
5066 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5067 (ASM_DECLARE_OBJECT_NAME): Likewise.
5068 (ASM_FILE_END): Likewise.
5069 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5070 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5071 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5072 (ASM_OUTPUT_CASE_LABEL): Likewise.
5073 (ASM_OUTPUT_SKIP): Likewise.
5074 (ASM_OUTPUT_ASCII): Likewise.
5075 (ASM_OUTPUT_IDENT): Likewise.
5076 (READONLY_DATA_SECTION): Likewise.
5077 (EXTRA_SECTIONS): Likewise.
5078 (EXTRA_SECTION_FUNCTIONS): Likewise.
5079 (SELECT_RTX_SECTION): Likewise.
5080 (SELECT_SECTION): Likewise.
5082 * config/mips/linux.h (INVOKE__main): Undefine.
5083 (CTOR_LIST_BEGIN): Likewise.
5084 (CTOR_LIST_END): Likewise.
5085 (DTOR_LIST_BEGIN): Likewise.
5086 (DTOR_LIST_END): Likewise.
5087 (SET_ASM_OP): Defined it to ".dummy".
5088 (ASM_OUTPUT_DEF): Defined.
5089 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
5091 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
5093 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
5094 assembler supports .p2align.
5096 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
5098 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
5100 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5102 * integrate.c (expand_inline_function): Check for error_mark_node
5105 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5107 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
5110 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
5112 * configure.in (configargs.h): Define thread_model.
5113 * configure: Rebuilt.
5114 * gcc.c (main): Print it with -v.
5116 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
5118 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
5119 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
5120 * gcc.1: Regenerate.
5122 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5124 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
5125 is_redundant_typedef): Use static inline instead of inline static.
5127 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
5129 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
5130 this directory is always searched.
5132 2001-04-25 Richard Henderson <rth@redhat.com>
5134 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
5135 of registers to restore along non eh_return path.
5137 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5139 * c-format.c (check_format_info_recurse): Handle
5140 PLUS_EXPR for format string.
5142 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5144 * config/ia64/ia64.h (CC1_SPEC): Define.
5145 * config/ia64/linux.h (CC1_SPEC): Define.
5147 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
5149 * emit-rtl.c (constant_subword): Also do sign extension in
5150 BITS_PER_WORD == 16 case.
5152 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
5154 * loop.c (try_swap_copy_prop): Go back to checking insn.
5156 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5158 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
5159 if check_mode is non-zero.
5161 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5163 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
5164 out and comparison sequence has been detected, put result into
5165 proper temporary pseudo.
5167 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5169 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
5170 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
5171 * libgcc2.c: Remove __dummy and __builtin_saveregs.
5172 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
5173 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
5174 for future reference.
5176 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
5178 * except.c (reachable_handlers): Step out one level from a RESX.
5180 * except.c (struct eh_region): Rename 'last' to 'resume'.
5181 (mark_eh_region, duplicate_eh_region_1): Adjust.
5182 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
5183 (build_post_landing_pads): Likewise.
5184 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
5185 (expand_eh_region_end_must_not_throw): Likewise.
5186 (connect_post_landing_pads): Thread (only) regions with non-deleted
5189 * except.c (expand_eh_region_end_cleanup): Save the EH return data
5190 registers around the cleanup.
5191 (get_exception_filter): New fn.
5192 (finish_eh_generation): Use it.
5194 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
5196 * c-semantics.c (add_scope_stmt): Don't call
5197 current_scope_stmt_stack multiple times.
5199 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5200 Nathan Sidwell <nathan@codesourcery.com>
5202 Lazy __FUNCTION__ generation.
5203 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
5204 RID_C99_FUNCTION_NAME): New _RIDs.
5205 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
5206 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
5207 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
5209 (function_id_node, pretty_function_id_node, func_id_node): Remove.
5210 (c99_function_name_decl_node, function_name_decl_node,
5211 pretty_function_name_decl_node, saved_function_name_decls):
5213 (struct language_function): Remove x_function_name_declared_p.
5214 (make_fname_decl): Remove a parameter.
5215 (declare_function_names): Remove prototype.
5216 (start_fname_decls, finish_fname_decls): Prototype.
5217 (fname_as_string): Likewise.
5218 (fname_string, fname_decl): Likewise.
5219 * c-common.c (make_fname_decl): Adjust.
5220 (struct fname_var_t): New struct.
5221 (fname_vars): New static array.
5222 (declare_function_name): Remove.
5223 (start_fname_decls, finish_fname_decls): New functions.
5224 (fname_as_string): New function from remnants of
5225 declare_function_name.
5226 (fname_string, fname_decl): New functions.
5228 * c-decl.c (c_function_name_declared_p): Remove.
5229 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
5230 don't call declare_function_name. Call start_fname_decls.
5231 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
5232 clobber the line number. Call finish_decl.
5233 (start_function): Call start_fname_decls.
5234 (finish_function): Call finish_fname_decls.
5235 Remove c_function_name_declared_p.
5236 (push_c_function_context): Don't push c_function_name_declared_p.
5237 (pop_c_function_context): Don't pop c_function_name_declared_p.
5238 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
5239 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
5240 (program): Call finish_fname_decls for C.
5241 (primary): Add VAR_FUNC_NAME.
5242 (reswords): Add slots for __FUNCTION__ et al.
5243 (rid_to_yy): Add mappings for __FUNCTION__ et al.
5244 (yylexname): If it's a STRING_FUNC_NAME generate the function name
5245 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
5246 * c-semantics.c (prune_unused_decls): Remove.
5247 (finish_stmt_tree): Don't call prune_unused_decls.
5248 (genrtl_decl_stmt): Don't prune unused decls here.
5250 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
5252 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
5253 constant pool, use the pool's SYMBOL_REF instead.
5255 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
5258 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
5260 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
5261 passing nested NOP_EXPRs to fold.
5263 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
5265 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
5267 2001-04-22 Mark Mitchell <mark@codesourcery.com>
5269 * loop.c (loop_delete_insns): Add prototype.
5271 2001-04-23 Phil Edwards <pme@sources.redhat.com>
5273 * configure.in: Remove ENABLE_STD_NAMESPACE.
5274 * config.in: Regenerated.
5275 * configure: Regenerated.
5277 2001-04-22 Stan Shebs <shebs@apple.com>
5279 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
5281 * config/rs6000/xm-darwin.h: Remove file.
5283 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5285 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
5286 (write_c_file_stat): Likewise.
5288 * dbxout.c (dbxout_init): Likewise.
5290 * profile.c (output_func_start_profiler): Likewise.
5292 2001-04-22 Philipp Thomas <pthomas@suse.de>
5294 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
5295 require it instead of the CVS version.
5296 * cpperror.c (v_message): Put a blank before the macro
5297 body to not confuse exgettext.
5299 2001-04-21 Mark Mitchell <mark@codesourcery.com>
5301 * flow.c (proagate_one_insn): Remove useless assignment.
5302 * jump.c (delete_insn): Tidy.
5303 * loop.c (try_copy_prop): When deleting an instruction with a
5304 REG_RETVAL note, delete the entire libcall sequence.
5305 (loop_delete_insns): New function.
5306 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
5307 we're not substituting into them yet.
5309 2001-04-21 Kazu Hirata <kazu@hxi.com>
5311 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
5313 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
5315 * config/i960/i960.c (signed_arith_operand): Likewise.
5317 * calls.c (expand_call): Fix a comment typo.
5319 2001-04-20 Zack Weinberg <zackw@stanford.edu>
5321 * configure.in: Probe for times, clock, struct tms, and clock_t.
5322 * configure, config.in: Regenerate.
5323 * timevar.c: Replace ifdef forest in get_time with (relatively)
5324 straightforward series of checks based on autoconf's probes.
5326 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
5328 * config/pa/som.h (NM_FLAGS): Define.
5330 2001-04-20 Bernd Schmidt <bernds@redhat.com>
5332 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
5334 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
5335 * ia64.c (nop_cycles_until): New function.
5336 (prev_cycle, prev_first, last_issued): New static variables.
5337 (ia64_sched_reorder): Additional arg for clock.
5338 On final scheduling pass, emit extra NOPs as needed.
5339 Set prev_first and prev_cycle.
5340 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
5341 (ia64_variable_issue): Set last_issued.
5343 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
5345 * config/i386/i386.c (ix86_expand_int_movcc,
5346 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
5348 2001-04-20 Geoff Keating <geoffk@redhat.com>
5350 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
5351 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
5352 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
5353 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
5354 ctrdi_internal6): In the short-branch case, this insn is only 4
5355 bytes long. Reported by Reza Yazdani <reza@apple.com>.
5357 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5359 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
5360 "=u" is used together with "st" resp. "st(1)" clobber.
5362 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5364 * gcse.c (gcse_main): Fix comment typo.
5365 (delete_null_pointer_check): Likewise.
5366 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
5367 * cse.c (cse_insn): Likewise.
5368 * function.c (fixup_var_refs_insns_with_hash): The sequence is
5371 2001-04-19 Zack Weinberg <zackw@stanford.edu>
5373 * toplev.c: Excise all code for the undocumented -dm option.
5374 (float_signal): Call signal just once, unconditionally.
5376 2001-04-19 Geoff Keating <geoffk@redhat.com>
5378 * fold-const.c (fold): Use first_rtl_op rather than
5379 TREE_CODE_LENGTH when looping over parameters of a tree.
5380 Correct strange grouping in test for evaluated SAVE_EXPR.
5382 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
5384 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
5385 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
5387 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
5388 name at 32 total characters.
5389 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
5390 functions in named sections -- data items can still go into unique
5391 sections, but they have normal names (ie $LIT$ and $DATA$).
5393 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
5396 2001-04-19 DJ Delorie <dj@redhat.com>
5398 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5399 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
5400 * config/i386/cygwin.h: Likewise.
5401 * config/i386/mingw32.h: Likewise.
5402 * config/vax/vms.h: Likewise.
5403 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
5405 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5406 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
5407 * config/i386/xm-cygwin.h: Likewise.
5408 * config/i386/xm-djgpp.h: Likewise.
5409 * config/i386/xm-mingw32.h: Likewise.
5410 * config/vax/xm-vms.h: Likewise.
5412 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
5413 instead of OBJECT_SUFFIX.
5414 * collect2.c (find_a_file): Look for files matching the extension
5415 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
5416 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
5417 TARGET_EXECUTABLE_SUFFIX.
5418 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
5419 (make_relative_prefix): Likewise.
5420 (convert_filename): Use TARGET_ suffixes throughout. Remove
5422 (process_command): Likewise.
5423 (do_spec_1): Likewise.
5424 * java/lang.c (init_parse): Likewise.
5426 * gcc.texi : Document four new options matching the pattern
5427 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
5428 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
5429 documentation for NO_AUTO_EXE_SUFFIX.
5431 2001-04-19 Mark Mitchell <mark@codesourcery.com>
5433 * toplev.h (struct lang_hooks): Allow decode_option to indicate
5434 that language-independent processing should not be done.
5435 * toplev.c (main): Adjust accordingly.
5437 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
5438 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
5440 * mips.md (reload_outputdi): Require that operand0 be a
5443 2001-04-19 Jakub Jelinek <jakub@redhat.com>
5445 * invoke.texi (-Wshadow): Clarify.
5447 2001-04-18 Mark Mitchell <mark@codesourcery.com>
5449 * loop.c (load_mems): Examine all the instructions in the loop
5450 before concluding that all jumps branch to the first instruction
5453 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
5455 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
5457 2001-04-18 Jakub Jelinek <jakub@redhat.com>
5459 * cpp.texi (-Wwhite-space): Remove.
5460 (-Wall): -Wall does not imply -Wwhite-space.
5462 2001-04-17 Zack Weinberg <zackw@stanford.edu>
5464 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
5465 use it instead of blindly generating a .stabs.
5466 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
5468 * xcoffout.c: Don't bother defining default for N_CATCH.
5469 (UNKNOWN_STAB): Use internal_error.
5470 (stab_to_sclass): Remove now-unnecessary aborts.
5471 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
5473 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
5475 * jump.c (mark_all_labels): Canonicalize the tail recursion
5476 label attached to CALL_PLACEHOLDER insns.
5478 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5480 * output.h (dump_flow_info, free_basic_block_vars,
5481 which_alternative): Delete redundant prototypes.
5483 * rtl.h (bss_section): Likewise.
5485 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
5487 * dbxout.c (N_OPT): Define if not available from <stab.h>
5489 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5491 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5492 libraries and native K&R compilers.
5494 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5496 * c-typeck.c (convert_arguments): Don't check for width changes
5499 * invoke.texi (-Wtraditional): Update documentation.
5501 2001-04-16 Zack Weinberg <zackw@stanford.edu>
5503 * toplev.c (output_lang_identify): Delete.
5504 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5505 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
5506 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5507 after calling ASM_FILE_END.
5509 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5510 Instead, unconditionally emit an N_OPT stab with string equal
5511 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5513 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5515 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5516 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5517 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5518 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5519 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5520 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5521 config/i370/i370.h, config/i386/beos-elf.h,
5522 config/i386/osf1elf.h, config/i386/osfrose.h,
5523 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5524 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5525 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5526 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5527 config/mips/iris6.h, config/mips/osfrose.h,
5528 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5529 config/sparc/sp64-elf.h:
5530 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5531 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5533 * config/elfos.h, config/freebsd.h, config/linux.h,
5534 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5535 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5536 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5537 of ASM_FILE_START which merely emit a .version directive. Delete
5538 definitions of ASM_FILE_END which merely emit an .ident directive.
5540 * config/avr/avr.h, config/vax/vax.h: Delete definition of
5541 ASM_IDENTIFY_GCC and move part of its logic into
5544 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5545 config/sparc/linux-aout.h: Don't emit .version directive in
5548 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5549 (output_file_start): Correct comment.
5551 * config/i386/osfrose.h: Don't emit trailing .ident directive.
5552 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5554 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5555 * config/rs6000/aix.h: Correct comment.
5557 * config/i386/i386afe.h: Delete.
5558 * config.gcc: Remove references to i386afe.h.
5560 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
5561 other macros deleted by this patch were undocumented.
5563 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
5565 * pa.md (reload_outdi): Operand 0 must be a non hard register.
5567 * pa.c (secondary_reload_class): SAR<->FP copies require a
5570 * install.texi (mips-mips-bsd): Update list of functions
5571 required to include memmove.
5572 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5573 used functions to include memmove.
5575 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
5577 * i386.md (sqrtdf2): SFmode should be DFmode.
5579 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
5581 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5582 (find_moveable_store): Likewise.
5584 2001-04-15 Jim Wilson <wilson@redhat.com>
5586 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5588 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5590 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5591 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5593 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5595 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5598 2001-04-14 Alan Modra <amodra@one.net.au>
5600 * pa.c (force_mode): New function.
5601 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5603 2001-04-13 Jim Wilson <wilson@redhat.com>
5605 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5606 (first_instruction): New static variable.
5607 (rtx_needs_barrier): Return 1 for alloc.
5608 (init_insn_group_barriers): Set first_instruction.
5609 (rws_sum): Delete duplicate definition.
5610 (group_barrier_needed_p): Return 0 when first_instruction true.
5611 (safe_group_barrier_needed_p): Save and restore first_instruction
5612 around group_barrier_needed_p call.
5614 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5616 * expr.h (enum libfunc_index): Add LTI_memmove.
5617 (memmove_libfunc): Define macro.
5618 * optabs.c (init_optabs): Initialize memmove_libfunc.
5619 * expr.c (expand_assignment): Use memmove_libfunc instead of
5622 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5624 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5627 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5629 * Makefile.in (reg-stack.o): Depend on reload.h.
5630 (insn-attrtab.o): Depend on flags.h.
5632 * genattrtab (main): Include flags.h in insn-attrtab.c.
5634 * reg-stack.c: Include reload.h.
5636 * sparc.h (flag_pic): Delete redundant declaration.
5638 * output.h (flag_pic): Likewise.
5640 * tree.h (pedantic): Likewise.
5642 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5644 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5646 * jump.c, regmove.c, toplev.c: Include reload.h.
5648 * reload.h (reload_cse_regs): Declare.
5650 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5651 reload_cse_regs, init_reload, mark_home_live, reload,
5652 init_caller_save): Delete redundant prototypes.
5654 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5656 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5658 * regclass.c, ssa.c: Include expr.h.
5660 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5661 gen_move_insn): Delete redundant declarations.
5663 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5665 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5666 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5667 MAKEINFO and MAKEINFOFLAGS too.
5668 (stage4_build): Correctly order -B flags.
5670 2001-04-13 Alan Modra <amodra@one.net.au>
5672 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5673 PIC_OFFSET_TABLE_SAVE_RTX.
5674 (zdepi_cint_p): Describe zdepi insn.
5675 Formatting and white space fixes throughout file.
5677 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5678 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5679 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5680 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5681 (output_64bit_and): Use plain `int's for shift counts.
5682 (output_64bit_ior): Likewise.
5683 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5684 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5687 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5688 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5689 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5690 NEW_HP_ASSEMBLER into one. Kill warnings.
5692 * pa-gas.h: Delete file.
5693 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5694 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5695 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5696 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5698 * config/pa/mill32.S: New file.
5699 * config/pa/mill64.S: New file.
5700 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5701 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5702 * config/pa/t-linux64: New file.
5703 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5704 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5705 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5707 * elfos.h (SELECT_SECTION): Undef before defining.
5708 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5709 (LIB_SPEC): Remove -lmilli.
5710 (DBX_REGISTER_NUMBER): Remove.
5711 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5712 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5713 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5714 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5715 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5716 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5717 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5718 TARGET_GAS): Define.
5719 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5720 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5721 regs if we don't have a prototype.
5722 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5723 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5724 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5725 EH_RETURN_HANDLER_RTX): Define.
5726 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5727 (DWARF_FRAME_REGNUM): Define.
5728 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5729 * pa32-linux.h: New file.
5730 * pa64-linux.h: New file.
5732 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5733 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5734 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5735 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5736 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5737 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5738 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5739 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5740 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5741 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5742 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5743 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5744 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5745 * pa64-hpux.h: New file.
5746 (ASM_FILE_START): Correct typo.
5747 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5748 * config.gcc: Modify for above.
5750 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5752 * jump.c (jump_optimize_1): Don't delete dead stores here.
5753 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5754 prior to running jump optimize before cse2.
5756 2001-04-12 Richard Henderson <rth@redhat.com>
5758 * Makefile.in (regmove.o): Depend on except.h.
5759 * regmove.c: Include it.
5761 2001-04-12 Stan Shebs <shebs@apple.com>
5763 * objc/objc-act.c: Remove all code ifdefed with the never-used
5764 macro OBJC_INT_SELECTORS.
5765 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5766 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5768 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5770 * config/pa/quadlib.c: Add prototypes.
5772 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5774 * bitmap.h (debug_bitmap): Delete redundant prototype.
5776 * rtl.h (get_frame_size): Likewise.
5778 2001-04-12 Jim Wilson <wilson@redhat.com>
5780 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5781 to just emit an fnorm.
5783 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5785 * c-common.h (truthvalue_conversion, type_for_mode,
5786 type_for_size): Delete redundant declarations.
5788 * c-lex.h (is_class_name): Likewise.
5790 * c-tree.h (pedantic, convert, getdecls, gettags,
5791 global_bindings_p, init_decl_processing, insert_block,
5792 maybe_build_cleanup, poplevel, print_lang_decl,
5793 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5794 set_block, incomplete_type_error, build_function_call,
5795 lvalue_or_else, mark_addressable): Likewise.
5797 * expr.h (expand_tree_builtin): Likewise.
5799 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5801 * invoke.texi: Document --param max-gcse-memory.
5803 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5805 * configure.in (errno): Check for declaration.
5806 * configure, config.in: Regenerated.
5808 * system.h (errno): Only declare if not already done.
5810 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5812 * recog.c (general_operand, immediate_operand,
5813 nonmemory_operand): Require CONST_INTs to be sign-extended
5814 values for their modes.
5816 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5818 * expmed.c (store_bit_field): Truncate CONST_INTs.
5819 (expand_mult_highpart, expand_divmod): Likewise.
5820 * expr.c (convert_modes, store_field): Likewise.
5821 * integrate.c (expand_inline_function): Use promote_mode() to
5822 determine whether to convert_modes() an argument as signed
5824 * optabs.c (expand_binop): Get CONST_INT operands
5825 sign-extended for their appropriate modes.
5826 * stmt.c (emit_case_nodes): Convert node values to the
5828 (expand_end_case): Convert minval and range to the appropriate
5830 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5831 the iteration variable.
5832 * varasm.c (immed_double_const): Don't require words to be
5833 narrower than host wide ints to properly sign-extend
5836 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5838 * sh.md (builtin_setjmp_receiver): New expander.
5840 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5842 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5843 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5844 for generating CONST_INT and CONST_DOUBLE.
5846 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5848 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5849 already sign-extended.
5850 (rs6000_emit_prologue): Make register iterator signed.
5851 (rs6000_emit_epilogue): Likewise.
5852 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5854 (movsf split, movdf split): Sign-extend CONST_INTs.
5855 (movdi splits): Likewise.
5857 2001-04-12 Kelley Cook <kelley.cook@home.com>
5859 * config-lang.in (lang_dirs): Add in zlib.
5861 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5863 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5864 operands that make it to RTL.
5866 2001-04-11 Stan Shebs <shebs@apple.com>
5868 Add Darwin (Mac OS X kernel) native support.
5869 * config.gcc (powerpc-*-darwin*): Add native bits.
5870 * config/darwin.c: New file, generic Darwin support functions.
5871 * config/darwin.h: New file, generic Darwin definitions.
5872 * config/darwin-protos.h: New file, generic Darwin prototypes.
5873 * rs6000/darwin.h: New file, Darwin for PowerPC.
5874 * rs6000/t-darwin: New file, Darwin makefile fragment.
5875 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5876 (TARGET_MACHO): Ditto.
5877 (rs6000_abi): Add ABI_DARWIN.
5878 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5879 (RS6000_SAVE_AREA): Ditto.
5880 (FP_ARG_MAX_REG): Ditto.
5881 (RETURN_ADDRESS_OFFSET): Ditto.
5882 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5884 (rs6000_emit_move): Add ABI_DARWIN cases.
5885 (print_operand): Ditto.
5886 (first_reg_to_save): Ditto.
5887 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5888 (debug_stack_info): Ditto.
5889 (rs6000_emit_prologue): Ditto.
5890 (rs6000_emit_epilogue): Ditto.
5891 (output_profiler_hook): Ditto.
5892 (output_function_profiler): Ditto.
5893 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5894 (output_mi_thunk): Add TARGET_MACHO case.
5895 (add_compiler_stub): Ditto.
5896 (output_compiler_stub): Ditto.
5897 (no_previous_def): Ditto.
5898 (output_call): Ditto.
5899 (machopic_output_stub): Ditto.
5900 (rs6000_machopic_legitimize_pic_address): Ditto.
5901 (toc_section): Ditto.
5902 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5903 (macho_high): Ditto.
5906 (load_macho_picbase): Ditto.
5907 (call): Add TARGET_MACHO case to modify function.
5908 (call_value): Ditto.
5909 (call_nonlocal_sysv): Add ABI_DARWIN case.
5910 (call_value_nonlocal_sysv): Ditto.
5911 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5913 (machopic_output_stub): Ditto.
5914 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5916 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5918 * dwarf2out.c (modified_type_die): Don't create new types here.
5919 * tree.h (get_qualified_type): New function.
5920 (build_qualified_type): Adjust comment.
5921 * tree.c (get_qualified_type): New function.
5922 (build_qualified_type): Use it.
5924 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5926 * cpp.texi (-Wtraditional): Update description.
5928 * invoke.texi (-Wtraditional): Likewise.
5930 2001-04-11 Jim Wilson <wilson@redhat.com>
5932 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5933 requires more than 64 bits of alignment.
5935 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5937 * cpplib.c (do_line): Sanity check iff enable checking.
5939 2001-04-11 Richard Henderson <rth@redhat.com>
5941 * Makefile.in (insn-recog.o): Depend on toplev.h.
5942 (insn-emit.o, doloop.o): Likewise.
5943 * genrecog.c, genemit.c: Include toplev.h in generated file.
5944 * doloop.c: Include toplev.h.
5946 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5948 * Makefile.in (gcse.o): Depend on params.h.
5949 * gcse.c: Include params.h.
5950 (gcse_main): Don't do GCSE if doing so will take inordinate
5952 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5953 * params.h (MAX_GCSE_MEMORY): New macro.
5955 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5957 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5959 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5961 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5963 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5965 * real.h (ereal_atof, real_value_truncate, target_isnan,
5966 target_isinf, target_negative, assemble_real, debug_real): Delete
5967 redundant prototypes.
5969 * Makefile.in (ifcvt.o): Depend on toplev.h.
5971 * c-semantics.c: Include expr.h.
5973 * ifcvt.c: Include toplev.h.
5975 * expr.h (rtx_equal_p): Delete prototype.
5977 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5978 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5979 eliminate_constant_term, expand_complex_abs, find_single_use,
5980 make_tree, init_expr_once, init_optabs, supports_one_only):
5983 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5984 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5985 expand_assignment, store_expr, emit_line_note_after,
5986 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5988 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5990 * sparc-protos.h: Delete redundant prototypes.
5992 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5994 * reload.c (push_reload): Add condition missed in SUBREG byte
5997 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5999 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
6001 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6003 * i386.md (floatsisf_sse): Fix output template
6004 * i386.c (ix86_expand_fp_movcc)
6006 * reg-stack.c (emit_pop_insn): Handle complex modes.
6007 (move_for_stack_reg): Emit proper move mode.
6008 (subst_stack_regs_pat): Handle complex modes.
6010 2001-04-11 Jakub Jelinek <jakub@redhat.com>
6012 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
6014 2001-04-10 Richard Henderson <rth@redhat.com>
6016 * libgcc2.h (__terminate_func_ptr): Remove typedef.
6017 (__pure_virtual, __terminate, __terminate_set_func,
6018 __default_terminate, __throw_type_match, __empty,
6019 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
6020 __eh_rtime_match, __unwinding_cleanup, __rethrow,
6021 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
6022 Remove prototypes of deleted functions.
6024 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6026 * c-typeck.c (convert_arguments): -Wtraditional now activates
6027 -Wconversion warnings, except for changes in signed-ness.
6028 Detect complex<->int & int<->complex conversions as well.
6030 * invoke.texi (-Wtraditional): Document it.
6032 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6034 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
6035 * flow.c (set_block_for_new_insns): Remove needless cast and
6036 properly check for unset block number.
6038 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
6040 * function.c (purge_single_hard_subreg_set): Only check REGNO if
6041 the subreg was a hard register. Pseudos are left as subregs.
6043 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6045 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
6046 (LIB2ADD_ST): New macro, pass it to mklibgcc.
6047 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
6048 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
6049 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
6051 2001-04-09 Bo Thorsen <bo@suse.co.uk>
6053 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
6055 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6057 * output.h (set_block_num): Missed it earlier, remove deprecated
6060 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6062 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
6063 (load_killed_in_block_p): Change bb parameter from int to basic_block.
6064 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
6065 (handle_rd_kill_set): Change bb parameter from int to basic_block.
6066 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
6067 (expr_killed_p): Change bb parameter from int to basic_block, pass
6068 basic_blocks instead of ints as parameters.
6069 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
6070 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
6071 from int to basic_block, pass basic_blocks instead of ints as parms.
6072 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
6073 parameter from int to basic_block, pass basic_blocks instead of ints.
6074 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
6075 (insert_insn_end_bb): Change bb parameter from int to basic_block,
6076 pass basic_blocks instead of ints.
6077 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
6078 basic_blocks instead of ints as parameters.
6079 (pre_delete): Pass basic_blocks instead of ints as parameters.
6080 (hoist_expr_reaches_here_p): Change bb parameter from int to
6081 basic_block, pass basic_blocks instead of ints.
6082 (hoist_code): Pass basic_blocks instead of ints as parameters.
6083 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
6084 Change bb parameter from int to basic_block.
6085 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
6086 (insert_insn_start_bb): Change bb parameter from int to basic_block,
6087 pass basic_blocks instead of ints.
6088 (insert_store): Pass basic_blocks instead of ints as parameters.
6089 (replace_store_insn, delete_store): Change bb parameter from int to
6090 basic_block, pass basic_blocks instead of ints.
6091 (store_motion): Pass basic_blocks instead of ints as parameters.
6093 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6095 * basic-block.h (set_new_block_for_insns): New Prototype.
6096 (set_block_num): Delete prototype.
6097 * flow.c (set_block_num): Remove obsolete function.
6098 (set_block_for_new_insns): Set BB for single or multiple insns.
6099 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
6100 (process_insn_end_bb): Use set_block_for_new_insns or
6101 set_block_for_insn instead of set_block_num.
6102 (pre_insert_copy_insn): Use set_block_for_new_insns.
6103 (update_ld_motion_stores): Use set_block_for_new_insns.
6104 (insert_insn_start_bb): Use set_block_for_new_insns.
6105 (replace_store_insn): Use set_block_for_new_insns.
6107 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6108 Jeff Law <law@redhat.com>
6110 * alias.c (get_addr): Externalize.
6111 (canon_true_dependence): New function. Behaves like true_dependance
6112 except it already assumes a MEM has been canonicalized.
6113 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
6114 * gcse.c (struct ls_expr): Add load/store expressions structure.
6115 (modify_mem_list, canon_modify_mem_list): New variable.
6116 (gcse_main): Initialize & finalize alias analysis. Use enhanced
6117 load motion and store motion if requested.
6118 (alloc_gcse_mem): Allocate space for modify_mem_list array.
6119 (free_gcse_mem): Free the modify_mem_list array.
6120 (oprs_unchanged_p): Use load_killed_in_block_p.
6121 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
6122 (mems_conflict_for_gcse_p): New function. Don't kill loads
6123 with stores to themselves if its in the load/store expression list.
6124 (load_killed_in_block_p): New function.
6125 (canon_list_insert): New Function.
6126 (record_last_mem_set_info): Keep a list of all instructions which
6127 can modify memory for each basic block.
6128 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
6129 (oprs_not_set_p): Use load_killed_in_block_p.
6130 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
6131 (expr_killed_p): Use load_killed_in_block_p.
6132 (compute_transp): Do not pessimize memory references.
6133 (pre_edge_insert): Update stores for a load motion expression.
6134 (one_pre_gcse_pass): Check loads/stores for extra load motion.
6135 (ldst_entry): Find or create a ldst_expr structure.
6136 (free_ldst_entry): Free memory for an individual item.
6137 (free_ldst_mems): Free entire load/store expression list.
6138 (print_ldst_list): Print debug info.
6139 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
6140 (enumerate_ldsts): Assign integer values to each entry in list.
6141 (first_ls_expr): First expression in the list.
6142 (next_ls_expr): Next expression in the list.
6143 (simple_mem): Check if expression qualifies for ld/st expression list.
6144 (invalidate_any_buried_refs): Remove from expression list if its
6145 used in some other way we dont understand.
6146 (compute_ld_motion_mems): Find all potential enhanced load motion
6148 (trim_ld_motion_mems): Remove any expressions which are invalid.
6149 (update_ld_motion_stores): Copy store values to registers for loads
6150 which have been moved.
6151 (regvec, st_antloc, num_store): New global statics.
6152 (reg_set_info): Marks registers as set.
6153 (store_ops_ok): Verfies registers expressions are valid in a block.
6154 (find_moveable_store): Look for moveable stores in a pattern.
6155 (compute_store_table): Find stores in a function worth moving, maybe.
6156 (load_kills_store): Check dependance of a load and store.
6157 (find_loads): Find any loads in a pattern.
6158 (store_killed_in_insn): Check if a store is killed in an insn.
6159 (store_killed_after): Check is store killed after an insn in a block.
6160 (store_killed_before): Check is store killed before an insn in a block.
6161 (build_store_vectors): Generate the antic and avail vectors.
6162 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
6163 (insert_store): Add a store to an edge.
6164 (replace_store_insn): Replace a store with a SET insn.
6165 (delete_store): Delete a store insn.
6166 (free_store_memory): Free memory.
6167 (store_motion): Perform store motion.
6168 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
6169 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
6170 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
6171 (f_options): Add gcse-lm and gcse-sm.
6173 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
6175 * i386.c (expand_fp_movcc): Fix condition reversal code.
6177 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
6178 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
6179 (CLASS_MAX_NREGS): Use it.
6181 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
6182 handle properly complex values.
6183 (CLASS_MAX_NREGS): Likewise; update comment.
6185 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6187 * ia64.c (ia64_flag_schedule_insns2): New variable.
6188 (ia64_override_options): Initialize it. Clear
6189 flag_schedule_insns_after_reload.
6190 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
6192 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6194 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
6195 Do not require source to match destination anymore;
6196 Add abort to the nontrivial cases that should be handled by split.
6197 (fix_trunc?fdi): Add SSE case for x86_64.
6198 (floatdi?f): Likewise.
6199 (floatdi?f_sse): New.
6200 (fix_trunc?fdi_sse): New.
6202 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
6204 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
6205 (DEBUG_ARANGES_END_LABEL): Ditto.
6206 (dwarfout_init): Generate length and version fields at the start
6207 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
6208 after the length field.
6209 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
6210 the .debug_aranges info.
6212 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6214 * i386.c (call, call_value): Make sure that resulting call_insn
6215 does have proper second operand.
6217 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
6219 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
6220 function. Remove include of sys/cygwin.h.
6222 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
6224 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
6225 (CPP_SPEC): Always search */include/w32api for header files.
6226 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
6227 (LINK_SPEC): Add "cyg" to the library search prefixes.
6229 2001-04-08 Philip Blundell <philb@gnu.org>
6231 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
6233 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
6235 * cpperror.c (print_location): Don't special case <stdin>.
6236 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
6237 WARNING, but we don't check if we're in system headers.
6238 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
6239 * cpplib.c (do_warning): Warn in system headers.
6241 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
6243 * mbchar.c: Include config.h first.
6245 2001-04-07 Zack Weinberg <zackw@stanford.edu>
6247 * config.gcc: Set default for xmake_file at top, not bottom.
6248 Change places that set xmake_file to "none" to set to the
6249 empty string instead, or remove them entirely if there is no
6250 default xmake_file for this cpu_type. Remove references to
6253 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
6254 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
6255 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
6256 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
6257 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
6258 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
6259 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
6260 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
6261 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
6262 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
6265 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
6266 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
6267 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
6268 config/mips/x-sysv, config/rs6000/x-aix31:
6269 Just set CLIB to -lld or -lmld, as appropriate.
6271 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
6272 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
6273 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
6274 config/mips/x-iris, config/pa/x-pa:
6275 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
6276 OTHER_FIXINCLUDES_DIRS.
6278 * config/i386/x-djgpp: Don't set LN or LN_S.
6279 * config/m88k/x-dolph: Don't define __m88k__.
6280 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
6281 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
6282 * config/i860/fx2800.h: No need to #undef SVR4.
6284 38 x-host fragments remain, 2 x-cpu.
6286 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6288 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
6290 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6292 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
6294 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6296 * configure.in: Add check for lstat.
6297 * configure, config.in: Regenerate.
6298 * cppinit.c (append_include_chain): Make empty path ".".
6299 * cpplib.c (do_line): Don't simplify #line paths.
6300 * cppfiles.c (remove_component_p): New function.
6301 (find_or_create_entry): Acknowledge stat () errors during
6302 path simplification.
6303 (handle_missing_header): Don't simplify paths.
6304 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
6305 the empty path untouched. Don't leave a trailing '/'.
6307 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
6309 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6310 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6312 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6314 * cppfiles.c (open_file): Fail directories silently, but
6315 with an errno of NOENT set.
6316 (read_include_file): Move the common exit code to the sole
6317 caller. Return an int indicating success or failure. Let
6318 open_file handle directories.
6319 (stack_include_file): If read_include_file fails,
6320 push a "null" buffer.
6322 2001-04-05 DJ Delorie <dj@redhat.com>
6324 * function.h (virtuals_instantiated): Declare.
6325 * function.c: (virtuals_instantiated): Make global.
6326 * calls.c (emit_library_call_value_1): Use
6327 virtual_outgoing_args_rtx only if it hasn't been instantiated.
6328 Otherwise, use the stack pointer directly.
6330 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6332 * i386.c (x86_initialize_trampoline): New global function.
6333 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
6334 (INITIALIZE_TRAMPOLINE): Move offline.
6335 * i386-protos.h (x86_initialize_trampoline): Declare.
6337 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6339 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
6340 (lea_0): Rename to lea_1.
6341 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
6342 (lea_general_?): Allow SImodes on TARGET_64BIT
6343 (lea_general_?_zext): New patterns.
6344 (call_1, call_1_rex64): Fix.
6346 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6348 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
6350 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6352 * i386.c (function_arg): Return constm1_rtx for last argument.
6353 (ix86_expand_prologue): Update gen_call calls.
6354 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
6355 * i386.md (call_pop): Likewise.
6356 (call): Second operand is VOIDmode.
6357 (call_0): Likewise; Support 64bits.
6358 (call_exp): New expander.
6359 (call_1): Get to the sync.
6360 (call_1_exp): New pattern.
6361 (call_value): Support 64bit.
6362 (call_value_exp): New pattern.
6363 (untyped_call): Update gen_call call.
6364 (call_value_pop): Disable for 64bit.
6365 (call_value_0_rex64): New pattern.
6366 (call_value_1_rex64): Likewise.
6368 2001-04-05 Bo Thorsen <bo@suse.de>
6370 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
6372 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
6374 * i386.md (*andsi_1+3): If used after reload, make sure the operand
6375 satisfies ANY_QI_REG_P.
6377 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6379 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
6382 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
6385 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6387 * config.gcc: Remove default for xm_file. Clean up local
6388 machine type handling. Remove settings of xm_file to
6389 something that doesn't exist. In the big switch, set xm_file,
6390 don't append to it (the value before the big switch is always
6391 null). Don't force build_xm_file or host_xm_file to have a value.
6392 * configure.in: Remove default for xm_file. Do not special
6393 case $cpu/xm-$cpu.h not existing.
6394 * configure: Regenerate.
6396 2001-04-04 Diego Novillo <dnovillo@redhat.com>
6398 * simplify-rtx.c (simplify_binary_operation): Check for overflow
6399 when folding integer division and modulo operations.
6401 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
6403 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
6404 instead of DWARF2_ADDR_SIZE for EH addresses.
6405 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
6408 2001-04-04 Richard Henderson <rth@redhat.com>
6410 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
6411 * config/ia64/t-glibc (LIB2ADDEH): Disable.
6412 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
6414 2001-04-04 Richard Henderson <rth@redhat.com>
6416 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
6417 * configure: Rebuilt.
6419 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6421 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
6422 push insns to delete to it instead of deleting them.
6423 (delete_null_pointer_checks): Delete insns from delete_list after
6424 all delete_null_pointer_checks_1 passes are done.
6426 2001-04-04 Richard Henderson <rth@redhat.com>
6428 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
6429 * configure: Rebuilt.
6431 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6433 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
6434 * config/romp/xm-romp.h: Delete.
6436 2001-04-04 Bernd Schmidt <bernds@redhat.com>
6438 * sched-deps.c (sched_analyze_insn): Partially revert March 27
6441 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6443 * emit-rtl.c (mark_label_nuses) Increment the label uses for
6444 all labels present in rtx.
6445 (try_split) Call new function for all split insns.
6447 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6449 * recog.c (validate_replace_rtx_1): Instead of aborting just make
6450 sure the change won't be validated.
6452 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
6454 * rtl.h (set_noop_p): Declare.
6455 * flow.c (set_noop_p): Move from here ...
6456 * rtlanal.c (set_noop_p): ... to here and enhance.
6457 * cse.c (delete_trivially_dead_insns): Use it.
6458 * gcse.c (hash_scan_set): Likewise.
6459 * jump.c (delete_noop_moves): Likewise.
6460 * recog.c (split_all_insns): Likewise.
6462 2001-04-04 Alan Modra <alan@linuxcare.com.au>
6464 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
6465 stack pointer via a LO_SUM. Ditto for setting a temp register
6466 used to save to the stack. Set cfa_temp when setting fp, and
6467 allow matches to cfa_temp in addition to cfa_store when saving
6468 regs. Handle POST_INC and LO_SUM register stores. Document the
6469 changes and errors in rule 12 doco.
6471 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
6472 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
6473 (load_reg): Move closer to epilogue code.
6474 (DO_FRAME_NOTES): Define to control the following..
6475 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
6476 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
6478 (hppa_expand_epilogue): Likewise.
6480 2001-04-03 Richard Henderson <rth@redhat.com>
6482 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6483 * configure: Rebuild.
6485 2001-04-03 Richard Henderson <rth@redhat.com>
6487 * rtl.h (LCT_THROW): New.
6488 * calls.c (emit_library_call_value_1): Handle it.
6489 * except.c (connect_post_landing_pads): Use it.
6491 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6493 * gansidecl.h: Delete file.
6494 * configure.in: Change all refs to gansidecl.h to use
6495 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
6497 * configure: Regenerate.
6499 * Makefile.in (intl.o): Don't depend on gansidecl.h.
6500 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6501 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6502 Don't include gansidecl.h.
6503 * intl.c, main.c, version.c, fixinc/fixlib.h,
6504 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6507 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6509 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6512 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6514 * config/i386/xm-beos.h, config/i386/xm-isc.h,
6515 config/i386/xm-next.h, config/i386/xm-sco.h,
6516 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6517 config/m88k/xm-m88k.h: Delete.
6519 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6520 * config/romp/xm-romp.h: Don't define bcopy.
6521 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6522 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6524 * config.gcc: Remove references to deleted files.
6526 14 xm-host.h remain, 1 xm-cpu.h.
6528 2001-04-03 Jakub Jelinek <jakub@redhat.com>
6529 David S. Miller <davem@pierdol.cobaltmicro.com>
6530 Andrew MacLeod <amacleod@redhat.com>
6532 Use byte offsets in SUBREGs instead of words.
6534 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6535 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6536 to pass new argument.
6537 (add_stored_regs): Use subreg_regno_offset function.
6538 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6540 (precompute_arguments): Use gen_lowpart_SUBREG.
6541 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6542 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6543 (simplify_set): Rework to use SUBREG_BYTE.
6544 (expand_field_assignment): Use SUBREG_BYTE.
6545 (make_extraction): Use SUBREG_BYTE.
6546 (if_then_else_cond): Use SUBREG_BYTE.
6547 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6548 (gen_lowpart_for_combine): Compute full byte offset.
6549 * cse.c (mention_regs): Use SUBREG_BYTE.
6550 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6551 (canon_hash): Use SUBREG_BYTE.
6552 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6553 (gen_lowpart_if_possible): Formatting.
6554 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6556 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6557 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6558 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6559 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6560 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6561 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6562 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6563 certain invariants about SUBREGs the compiler creates.
6564 (gen_lowpart_SUBREG): New function.
6565 (subreg_hard_regno): New function to get the final register number.
6566 (gen_lowpart_common): Use SUBREG_BYTE.
6567 (gen_imagpart): Spacing nits.
6568 (subreg_realpart_p): Use SUBREG_BYTE.
6569 (gen_highpart): Use SUBREG_BYTE.
6570 (subreg_lowpart_p): Always compute endian corrected goal offset,
6571 even at the byte level, then compare against that.
6572 (constant_subword): New function, pulled out all constant cases
6573 from operand_subword and changed second argument name to offset.
6574 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6575 and call constant_subword to do the work. Return const0_rtx if
6576 looking for a word outside of OP.
6577 (operand_subword_force): Change second arg name to offset.
6578 * expmed.c (store_bit_field): Use SUBREG_BYTE.
6579 (store_split_bit_field): Use SUBREG_BYTE.
6580 (extract_bit_field): Use SUBREG_BYTE.
6581 (extract_split_bit_field): Use SUBREG_BYTE.
6582 (expand_shift): Use SUBREG_BYTE.
6583 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6584 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6585 * flow.c (set_noop_p): Use SUBREG_BYTE.
6586 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6587 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6588 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6590 (optimize_bit_field): Use SUBREG_BYTE.
6591 (purge_addressof_1): Use SUBREG_BYTE.
6592 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6593 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6594 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6595 * gengenrtl.c (special_rtx): Add SUBREG.
6596 * global.c (mark_reg_store): Use SUBREG_BYTE.
6597 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6598 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6599 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6600 final byte offset is congruent to subreg's mode size.
6601 (subst_constants): Use SUBREG_BYTE.
6602 (mark_stores): Use subreg_regno_offset function.
6603 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6604 function and SUBREG_BYTE.
6605 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6606 (reg_is_born): Use subreg_hard_regno.
6607 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6608 endian correction code. Don't combine subregs unless resulting
6609 offset aligns with type. Fix subreg constant extraction for DImode.
6610 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6611 (general_operand): Remove dead mode_altering_drug code.
6612 (indirect_operand): Use SUBREG_BYTE.
6613 (constrain_operands): Use subreg_regno_offset function.
6614 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6615 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6616 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6617 * regs.h (REG_SIZE): Allow target to override.
6618 (REGMODE_NATURAL_SIZE): New macro which target can override.
6619 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6620 on the entire subreg rtx.
6621 (push_reload): Use SUBREG_BYTE in comments and code.
6622 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6623 for hard registers inside subregs.
6624 (operands_match_p): Use subreg_regno_offset.
6625 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6626 containing hard regs.
6627 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6628 corrections when fixing up MEM subregs.
6629 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6630 subreg_regno_offset where appropriate.
6631 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6632 byte endian corrections when fixing up MEM subregs.
6633 (subst_reloads): When combining two subregs, make sure final
6634 offset is congruent to subreg's mode size.
6635 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6636 (refers_to_regno_for_reload_p): Use subreg_regno.
6637 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6638 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6639 correction code for memory subreg fixups.
6640 (forget_old_reload_1): Use subreg_regno_offset.
6641 (choose_reload_regs): Use subreg_regno.
6642 (emit_input_reload_insns): Use SUBREG_BYTE.
6643 (reload_combine_note_store): Use subreg_regno_offset.
6644 (move2add_note_store): Use subreg_regno_offset.
6645 * resource.c (update_live_status, mark_referenced_resources): Use
6646 subreg_regno function.
6647 (mark_set_resources): Use subreg_regno function.
6648 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6649 (subreg_regno_offset, subreg_regno): Define prototypes.
6650 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6651 (gen_lowpart_SUBREG): Add prototype.
6652 * rtl.texi (subreg): Update to reflect new byte offset representation.
6653 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6654 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6655 (reg_overlap_mentioned_p): Use subreg_regno.
6656 (replace_regs); Make sure final offset of combined subreg is
6657 congruent to size of subreg's mode.
6658 (subreg_regno_offset): New function.
6659 (subreg_regno): New function.
6660 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6661 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6662 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6663 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6664 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6665 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6666 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6667 (print_operand): Use SUBREG_BYTE.
6668 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6669 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6670 (arm_reload_out_hi): Use SUBREG_BYTE.
6671 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6672 instead of SUBREG_WORD.
6673 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6674 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6675 SUBREG creation to use byte offset.
6676 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6677 inverted load insns): Fix explicit rtl subregs to use byte
6679 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6680 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6681 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6682 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6683 to use byte offsets.
6684 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6685 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6686 offsets, also make sure it is congruent to SUBREG's mode size.
6687 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6688 unnamed ldob insn): Generate SUBREGs with byte offset.
6689 (zero_extendqihi2): SUBREG's are byte offsets.
6690 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6691 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6692 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6693 zero-extendqisi2): Generate SUBREGs with byte offset.
6694 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6695 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6696 subregs in rtl to use byte offsets.
6697 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6698 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6699 (mips_move_2words): Use subreg_regno_offset.
6700 (mips_secondary_reload_class): Use subreg_regno_offset.
6701 * config/mips/mips.md (DImode plus, minus, move, and logical op
6702 splits): Fixup explicit subregs in rtl to use byte offsets.
6703 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6704 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6705 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6706 rtl to use byte offsets.
6707 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6708 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6709 subregs to use byte offsets.
6710 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6711 Fixup explicit subregs in rtl to use byte offsets.
6712 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6713 and remove byte endian correction code.
6714 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6715 (gen_ashift_hi): Use SUBREG_BYTE.
6716 (regs_used): Use subreg_regno_offset.
6717 (machine_dependent_reorg): Use subreg_regno_offset.
6718 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6719 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6720 (movdf_i4): Subregs are byte offsets now.
6721 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6722 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6723 (REGMODE_NATURAL_SIZE): Override.
6724 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6725 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6727 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6728 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6729 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6730 it is congruent to SUBREG's mode size.
6731 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6733 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6734 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6735 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6736 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6737 * config/v850/v850.c (print_operand, output_move_double): Use
6738 subreg_regno function.
6740 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6742 * configure.in (target_subdir): Use target_alias, not target.
6743 * configure: Rebuilt.
6745 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6747 * config/sh/crti.asm: Fix typos in comments.
6749 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6751 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6752 TARGET_FAST_INDIRECT_CALLS.
6753 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6755 (return_addr_rtx): Short circuit export stub matching when
6756 TARGET_NO_SPACE_REGS.
6757 (output_millicode_call): For out of range calls, make -fPIC
6758 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6759 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6760 * pa.md: Modify length attr calculation of all millicode insns to
6763 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6765 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6766 Require at least 2.11 in the version test. Specifically check
6767 for and reject GAS version 2.10.90.
6768 * configure: regenerate.
6770 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6772 * pa.c (override_options): Remove PIC profiling warning.
6773 (hp_profile_labelno): Delete.
6774 (hp_profile_label_rtx): Delete.
6775 (hp_profile_label_name): Delete.
6776 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6777 (output_function_prologue): Remove profiling code and all tests on
6778 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6779 merge_sp_adjust_with_store can work for PIC and profiling.
6780 (hppa_expand_epilogue): Remove profile_flag test.
6781 (hppa_can_use_return_insn_p): Likewise.
6782 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6783 cater for PROFILE_HOOK.
6784 (hppa_profile_hook): New function.
6785 * pa.h (FUNCTION_PROFILER): Now does nothing.
6786 (PROFILE_HOOK): Define.
6787 (hppa_profile_hook): Declare.
6788 (PROFILE_BEFORE_PROLOGUE): Delete.
6789 (ASM_OUTPUT_REG_PUSH): Delete.
6790 (ASM_OUTPUT_REG_POP): Delete.
6791 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6792 r24. Accept function name operand, and use this and a locally
6793 generated label to calculate pc-rel offset to func start.
6795 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6797 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6798 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6801 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6803 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6804 LO_SUM cases to where they belong.
6806 2001-04-02 Richard Henderson <rth@redhat.com>
6808 * except.h (lang_eh_type_covers): Mark extern.
6809 (lang_eh_runtime_type): Likewise.
6811 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6813 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6814 gengenrtl.c: Wrap generated header in multiple-include guard.
6815 Improve error checking.
6817 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6819 * configure.in: Don't check for putenv.
6820 * configure: Regenerate.
6821 * gcc.c (putenv): Don't define.
6822 * vax/xm-vms.h: Handle putenv.
6824 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6826 * ifcvt.c (noce_emit_move_insn): New.
6827 (noce_try_store_flag, noce_try_store_flag_constants,
6828 noce_try_store_flag_inc, noce_try_store_flag_mask,
6829 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6830 noce_try_abs): Use it.
6831 (noce_process_if_block): Likewise.
6832 For STRICT_LOW_PART, take mode from its SUBREG.
6834 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6836 * fold-const.c (fold): Before optimizing unsigned comparison with
6837 0x7fffffffU, make sure arg0 is integral type.
6839 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6841 * c-tree.texi: Document representation of wide strings.
6843 2001-04-01 Richard Henderson <rth@redhat.com>
6845 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6847 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6849 * i386.md: remove obsoleted comments.
6850 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6851 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6852 fix output template.
6854 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6856 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6858 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6860 * loop.c (load_mems): When generating a load from a pseudo, update
6863 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6865 * i386.c (ix86_split_long_move): Use change address to compensate
6866 stack pointer change in push instruction.
6868 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6870 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6871 instead of rtx_equal_p; fix the output template.
6873 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6875 * i386.c (ix86_expand_setcc): Support 64bit.
6876 (ix86_expand_int_movcc): Likewise.
6877 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6880 * i386.md (allocate_stack_worker): Turn to expander.
6881 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6883 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6885 2001-03-29 Richard Henderson <rth@redhat.com>
6887 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6889 2001-03-28 Matthew Hiller <hiller@redhat.com>
6891 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6894 * MAINTAINERS: Added self.
6896 2001-03-28 Richard Henderson <rth@redhat.com>
6898 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6899 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6901 2001-03-28 Jim Wilson <wilson@redhat.com>
6903 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6906 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6908 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6910 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6913 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6915 2001-03-28 DJ Delorie <dj@redhat.com>
6917 * Makefile.in (stage1_build): Revert CFLAGS patch.
6919 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6921 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6922 when multiplier or multiplicand is zero.
6924 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6926 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6928 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6930 (set_src_needs_barrier): Likewise.
6931 (rtx_needs_barrier): For SET case, use these two functions. Rework
6932 PARALLEL case to handle all inputs before all outputs.
6933 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6934 saw a label and no stop bit since then.
6935 (maybe_rotate, process_epilogue): Add prototypes.
6937 2001-03-28 Richard Henderson <rth@redhat.com>
6939 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6940 not TARGET_TOC for special toc restore handling.
6941 * config/rs6000/rs6000.md (eh_return): Likewise.
6943 2001-03-28 Richard Henderson <rth@redhat.com>
6945 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6946 current_function_calls_eh_return.
6947 (output_function_epilogue): Handle eh_return.
6948 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6949 (EH_RETURN_DATA_REGNO): New.
6950 (EH_RETURN_STACKADJ_RTX): New.
6951 (EH_RETURN_HANDLER_RTX): New.
6952 * config/sparc/sparc.md (call/short branch peepholes): Check
6953 can_throw_internal instead of in_same_eh_region.
6955 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6956 for eh_return data registers.
6957 (rs6000_emit_prologue): Save eh_return data registers.
6958 (rs6000_emit_epilogue): Force inline restores if eh_return.
6959 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6960 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6961 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6962 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6963 the target uses one.
6964 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6965 (return_eh_si, return_eh_di): Remove.
6966 (eh_return): New, from corpse of eh_epilogue.
6967 (eh_set_lr_si, eh_set_lr_di): New.
6969 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6970 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6971 True for pic register if current_function_calls_eh_return.
6972 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6973 Handle eh_return requirements.
6974 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6975 (EH_RETURN_STACKADJ_RTX): New.
6976 * config/i386/i386.md (exception_receiver): Remove.
6977 (eh_return, eh_return_1): New.
6978 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6980 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6981 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6982 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6983 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6984 (EH_RETURN_DATA_REGNO): New.
6985 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6986 * config/alpha/alpha.md (eh_epilogue): Remove.
6987 (exception_receiver): Use $26 for ldgp input.
6988 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6990 2001-03-28 Richard Henderson <rth@redhat.com>
6992 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6993 * except.h: Likewise.
6995 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6996 (LIB2ADDEHDEP): New.
6997 (LIB2FUNCS_EH): Remove.
6998 (LIB2ADD): Remove LIB2ADDEH.
6999 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
7000 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
7001 (crt{begin,end}[S].o): Likewise.
7002 (except.o): Update includes.
7003 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
7004 (libgcc2_c_dep): Use LIB2ADDEHDEP.
7006 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
7007 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
7008 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
7009 * builtins.c (expand_builtin): Implement it.
7010 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
7011 * c-common.c (c_common_nodes_and_builtins): Declare it.
7012 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
7013 * calls.c (libfunc_nothrow): Remove.
7014 (emit_library_call_value_1): Don't call it.
7015 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
7016 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
7017 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
7018 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
7019 (current_funcdef_number): Globalize.
7020 (output_call_frame_info): Emit frame data if an lsda is needed.
7021 Generate augmentation for personality routine. Don't play with
7023 (dwarf2out_begin_prologue): Record funcdef_number.
7024 * dwarf2out.h (current_funcdef_number): Declare.
7025 * expr.c (expand_expr): Update for except.h name changes.
7026 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
7027 * expr.h (LTI_throw, LTI_rethrow): Remove.
7028 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
7029 (LTI_eh_rtime_match): Remove.
7030 (LTI_unwind_resume, LTI_eh_personality): Add.
7031 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
7032 * final.c (final): Don't call check_exception_handler_labels,
7033 init_insn_eh_region, or free_insn_eh_region.
7034 (final_scan_insn): Always emit debug labels for
7035 NOTE_INSN_EH_REGION notes.
7036 * flags.h (flag_new_exceptions): Remove.
7037 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
7038 (record_active_eh_regions): Remove.
7039 (count_basic_blocks): Check all instructions for REG_EH_REGION.
7040 Use can_throw_internal.
7041 (find_basic_blocks_1): Likewise.
7042 (move_stray_eh_region_notes): Remove.
7043 (find_label_refs): No eh_return_stub_label.
7044 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
7045 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
7047 (delete_unreachable_blocks): Don't track deleted handlers.
7048 (flow_delete_block): Use maybe_remove_eh_handler.
7049 (delete_eh_regions): Remove.
7050 (merge_blocks): Don't check for eh region match.
7051 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
7052 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
7053 (init_propagate_block_info): Disable dead frame store optimization
7054 when current_function_calls_eh_return.
7055 (dump_bb): Don't print eh_beg, eh_end.
7056 * function.c (fixup_var_refs): No catch_clauses.
7057 (expand_function_end): Likewise. Call expand_eh_return before
7058 the return register use. Call sjlj_emit_function_exit_after.
7059 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
7060 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
7061 * ifcvt.c (dead_or_predicable): Remove eh region check.
7062 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
7063 Don't check for EH vs parameters.
7064 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
7065 (expand_inline_function): Call duplicate_eh_regions.
7066 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
7067 (copy_insn_notes): Remap REG_EH_REGION notes.
7068 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
7069 * integrate.h (struct inline_remap): Add local_return_label.
7070 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
7071 check_exception_handler_labels, nor exception_optimize.
7072 (find_cross_jump): No EH region check.
7073 * optabs.c (init_optabs): Update for changed eh libfuncs.
7074 * rtl.def (RESX): New.
7075 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
7076 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
7077 checks. Update for except.h name changes.
7078 (expand_cleanups): Likewise.
7079 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
7080 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
7081 (compile_file): Call init_eh before init_optabs. Don't
7082 output_exception_table here.
7083 (rest_of_compilation): Call convert_from_eh_region_ranges,
7084 convert_to_eh_region_ranges, output_function_exception_table.
7085 Don't emit_eh_context.
7086 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
7087 (EXC_PTR_EXPR): New.
7089 * md.texi (eh_epilogue): Remove.
7090 (eh_return): Document.
7091 * tm.texi (EH_RETURN_DATA_REGNO): Document.
7092 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
7094 * eh-common.h: Remove file.
7095 * frame-dwarf2.c, frame.c, frame.h: Remove files.
7096 * libgcc2.c (L_eh): Remove.
7098 * unwind-dw2-fde.c: New file, largely copied from frame.c.
7099 * unwind-dw2-fde.h: New file.
7100 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
7101 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
7102 * libgcc-std.ver: Update for eh symbols.
7104 2001-03-27 Richard Henderson <rth@redhat.com>
7106 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
7107 reduce false positives.
7108 (regmove_optimize): Disable if flag_non_call_exceptions.
7110 * stmt.c (expand_return): Remove always true predicate.
7111 (expand_decl_cleanup_no_eh): Remove dead code.
7113 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
7114 barrier code. Add a scheduling barrier if a non-call insn
7115 can throw internally.
7117 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
7118 Auto-inc addresses trap only if their base register does.
7120 * except.c (can_throw_internal): Rename from can_throw.
7121 * except.h, resource.c: Update references.
7123 * integrate.c (copy_insn_list): Use returnjump_p.
7124 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
7126 * function.h (struct function): Move all boolean valued fields
7127 to single bit fields at the end of the struct.
7129 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
7131 Rename asynchronous_exceptions to flag_non_call_exceptions.
7133 * gthr-single.h (UNUSED): New. Distinguish between how C
7134 and C++ mark unused function arguments. Use throughout.
7136 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
7137 value to target configuration header.
7138 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
7139 * config.in, configure: Rebuild.
7140 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
7141 configuration and target defines.
7142 (exceptions_via_longjmp): Remove.
7143 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
7144 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
7146 * except.h (flag_non_call_exceptions): Move ...
7147 * flags.h: ... here.
7149 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
7150 exceptions, put the note on the trapping instruction.
7152 * flags.h (flag_new_exceptions): Remove.
7153 * toplev.c: Don't set it.
7154 * final.c: Don't check it.
7155 * except.c: Provide stub definition.
7157 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
7158 (calculate_global_regs_live): Kill call-clobbered registers
7159 across exception edges.
7160 * reg-stack.c (convert_regs_1): Kill the entire target stack
7161 across non-call exception edges.
7163 * flow.c (cleanup_cfg): Take no argument.
7164 * output.h, sibcall.c, toplev.c: Update all calls.
7166 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7168 * configure.in: Don't check for bcopy.
7169 * configure, config.in: Regenerate.
7171 * system.h: Don't define or prototype bcopy, instead poison it.
7173 2001-03-27 Richard Henderson <rth@redhat.com>
7175 * function.c (expand_function_start): Set DECL_REGISTER on
7176 a pseudo used for DECL_RESULT.
7178 * rtl.h (LCT_NORETURN): New.
7179 * calls.c (emit_library_call_value_1): Handle it.
7181 2001-03-27 Stan Shebs <shebs@apple.com>
7183 * objc/objc-act.c (objc_init): Use dump_base_name.
7184 (gen_declaration): Clear the buffer arg.
7185 (gen_declaration_1): New function, body of gen_declaration.
7186 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
7187 (gen_method_decl): Ditto, plus always clear buffer arg.
7188 (error_with_ivar): Simplify.
7189 (warn_with_method): Ditto.
7190 (build_message_expr): Don't clear buffers.
7191 (dump_interface): Ditto.
7192 (objc_debug): Ditto.
7193 (build_keyword_selector): Clear the buffer by only zeroing
7195 (objc_implementation_context): Declare.
7196 (start_class): Warn about missing @end.
7197 (finish_objc): Ditto.
7199 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
7201 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
7203 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7205 * Makefile.in (SYSTEM_H): Define.
7206 Depend on $(SYSTEM_H), not system.h.
7208 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
7210 2001-03-27 Jim Wilson <wilson@redhat.com>
7212 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
7214 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
7215 (process_epilogue): New static function.
7216 (process_set): Call process_epilogue instead of emitting .restore
7218 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
7220 * flow.c (struct reg_cond_life_info): New fields orig_condition
7222 (init_propagate_block_info): Set new fields.
7223 (mark_regno_cond_dead): Set and use new fields.
7224 (flush_reg_cond_reg_1): Likewise.
7225 (and_reg_cond, case AND): Check for redundant AND conditions.
7226 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
7229 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
7231 * cppmacro.c (stringify_arg): Null terminate strings.
7233 2001-03-27 Zack Weinberg <zackw@stanford.edu>
7235 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
7236 inclusion style. xm-m68hc11.h no longer exists.
7237 * config/m68hc11/xm-m68hc11.h: Delete file.
7238 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
7240 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
7241 Don't define GCC_VERSION, N_, or PARAMS; don't include
7242 gansidecl.h or stdio.h. Define inhibit_libc here.
7243 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7244 Delete code conditioned on #if GCC_VERSION == 2095.
7246 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
7247 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7248 Delete code conditioned on #if GCC_VERSION == 2095.
7250 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7252 * system.h: Include symcat.h.
7253 (STRINGIFY): Don't define.
7255 * configure.in: Adjust comment.
7257 * builtins.c: Use STRINGX, not STRINGIFY.
7258 * gencheck.c: Likewise.
7259 * gengenrtl.c: Likewise.
7260 * protoize.c: Likewise.
7262 * cpplex.c: Don't include symcat.h.
7263 * cpplib.c: Likewise.
7265 * gansidecl.h (HAVE_STRINGIZE): Don't define.
7267 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7269 * c-typeck.c (digest_init): Fold init expression.
7271 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7273 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
7275 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7277 * except.c (eh_regs): Save results of build_pointer_type to a temp
7278 as FUNCTION_VALUE macro may evaluate its args multiple times.
7280 2001-03-26 Mark Mitchell <mark@codesourcery.com>
7282 * c-common.h (DECL_NUM_STMTS): New macro.
7283 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
7285 (pushdecl): Likewise.
7286 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
7287 * integrate.c (expand_inline_function): Don't check
7289 * print-tree.c (print_node): Don't print it.
7290 * toplev.c (rest_of_compilation): Don't try to inline when
7291 flag_no_inline is on.
7292 * tree.h (DECL_FRAME_SIZE): Remove.
7293 (tree_decl): Adjust accordingly.
7295 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7297 * combine.c (try_combine): Use memcpy, not bcopy.
7299 * genattrtab.c (expand_units): Likewise.
7301 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
7303 * i386.md (push mem DI peep2): New.
7304 (mov 0, mov -1 peep2): Handle 64bit.
7305 (lea to arithmetics peep2): Handle 64bit leas.
7306 (rsp arithmetics to push/pop peep2s): New.
7308 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
7310 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7312 * i386.c (struct machine_function): Add save_varrargs_registers.
7313 (ix86_save_varrargs_registers): New macro.
7314 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
7315 (ix86_expand_prologue): Likewise.
7316 (ix86_emit_epilogue_esp_adjustement): Likewise.
7317 (ix86_expand_epilogue): Likewise.
7318 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
7319 (pro_epilogue_adjust_stack_1): New insn.
7320 (pro_epilogue_adjust_stack_rex64): Likewise.
7321 * i386.h (MASK_NO_RED_ZONE): New constant.
7322 (TARGET_RED_ZONE): New macro.
7323 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
7324 (RED_ZONE_SIZE): New constant.
7325 (RED_ZONE_RESERVE): New constant.
7327 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7329 * toplev.c (set_float_handler): Use memcpy, not bcopy.
7331 2001-03-25 Kazu Hirata <kazu@hxi.com>
7333 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
7336 (umodhi3): Likewise.
7339 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7341 * mkconfig.sh (DEFINES): Handle entries with '='.
7343 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
7344 Set xm_defines to MACRO=value instead.
7346 * i370/xm-mvs.h: Delete.
7348 * ns32k/xm-pc532-min.h: Likewise.
7350 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7352 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
7354 use ix86_expand_binary_operator
7355 (?sh??i_?): Disable for 64bit.
7356 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
7357 * i386.c (shiftdi_operand): New predicate.
7359 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
7360 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
7361 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
7362 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
7363 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
7364 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
7365 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
7366 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
7367 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
7368 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
7369 (rotldi3, rotrdi3): New expanders.
7371 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
7373 * i386.md (movstrsi): Move offline.
7375 (strmovdi_rex64): New.
7376 (strmov?i): Accept 64bit.
7377 (strmov?i_rex64): New.
7378 (strmov?i_rex_1): New.
7379 (strmov?i_1): Disable for 64bit.
7380 (rep_mov?i_rex64): New.
7381 (rep_mov?i): Disable for 64bit.
7382 (clrstrsi): Move offline.
7383 (strset?i_rex64): New.
7384 (strset?i: Accept 64bit.
7385 (rep_stos?i): Disable for 64bit.
7386 (rep_stos?i_rex64): New.
7387 (strset?i_rex_1): New.
7388 (strset?i_1): Disable for 64bit.
7389 (cmpstrsi): Accept 64bit.
7390 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
7391 (cmpstrqi_nz_rex_1): New.
7392 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
7393 (strlensi): Move offline.
7395 (strlenqi_1): Disable for 64bit; fix constraints.
7396 (strlenqi_rex_1): New.
7397 * i386.c (ix86_adjust_counter): New static function.
7398 (ix86_zero_extend_to_Pmode): Likewise.
7399 (ix86_expand_aligntest): Likweise.
7400 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
7401 (ix86_expand_movstr): New global function.
7402 (ix86_expand_clrstr): New global function.
7403 (ix86_expand_strlen): New global function.
7404 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
7405 ix86_expand_strlen): Declare.
7406 (ix86_expand_strlensi_unroll_1): Delete.
7408 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
7410 * i386.md (cmpdi): Fix operand predicates.
7411 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
7412 cmpdi_1_insn_rex64): New patterns.
7413 (adddi3): Turn to expander.
7414 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
7415 (addsi3_carry_zext): New pattern.
7416 (adddi_?_rex64): New patterns and splitters.
7417 (addsi_?_zext): New patterns.
7418 (subsi3_carry_zext): New pattern.
7419 (subdi_?_rex64): New patterns and splitters.
7420 (iorsi_?_zext): New patterns.
7421 (iordi_?_rex64): New patterns and splitters.
7422 (iorsi_?_zext): New patterns.
7423 (iorsi_?_zext_imm): New patterns.
7424 (xorsi_?_zext): New patterns.
7425 (xordi_?_rex64): New patterns and splitters.
7426 (xorsi_?_zext): New patterns.
7427 (negdi*): New patterns.
7428 (one_cmpldi*): Likewise.
7429 (one_cmplsi*_zext, negsi*_zext): Likewise.
7430 (testqi_ext_3_rex64): New pattern.
7432 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
7434 * i386-protos.h (ix86_split_long_move): Return void.
7435 * i386.c (ix86_split_to_parts): Handle 64bit target.
7436 (ix86_split_long_move): Likewise.
7437 * i386.md (all calls to ix86_split_long_move): Update.
7439 2001-03-23 Richard Henderson <rth@redhat.com>
7441 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
7442 to avoid shadowing arguments.
7444 2001-03-23 Jakub Jelinek <jakub@redhat.com>
7446 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
7447 to variable names where DECL_NAME is different from
7448 DECL_ASSEMBLER_NAME.
7450 2001-03-23 Jim Wilson <wilson@redhat.com>
7452 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
7453 (assemble_alias): Call make_decl_rtl.
7455 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
7457 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
7459 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
7461 * extend.texi: Document the "java_interface" attribute.
7463 2001-03-22 Zack Weinberg <zackw@stanford.edu>
7465 * mkconfig.sh: Use a subshell with redirected stdout,
7466 instead of closing stdout and confusing commands that run
7467 afterward. Throw away output of cmp.
7469 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
7471 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
7473 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
7475 * i386.md (zero_extendsidi2_32): Break out from ...
7476 (zero_extendsidi2): ... here ; turn to expander.
7477 (zero_extendsidi2_rex64): New.
7478 (extendsidi2_32): Break out from ...
7479 (extendsidi2): ... here ; turn to expander.
7480 (extendsidi2_rex64): New.
7481 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7482 (trunc?f?f splitters): Add 64bit versions.
7484 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
7486 * i386.md (pushsi, pushsi2_prologue): Disable.
7487 (pushsi2_rex64): New.
7488 (movabs?i_1_rex64, movabs?i_2_rex64): New.
7489 (movqi_ext_1): Disable for 64bit.
7490 (movqi_ext_1_rex64): New.
7491 (pushdi2_rex64): New pattern, peep2s and splitter.
7492 (pushdi2_prologue_rex64): New pattern.
7493 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7495 (movdi splitters): Disable for 64bit.
7496 (movdi_1_rex64): New pattern, peep2s and splitters.
7497 (swapdi): New pattern.
7498 (pushsf): Disable for 64bit.
7499 (pushsf_rex64): New pattern and splitter.
7500 (pushdf_nointeger): Disable for 64bit.
7501 (pushdf_integer): Handle the 64bit case.
7502 (pushtf): Likewise; update splitters.
7504 2001-03-22 Richard Henderson <rth@redhat.com>
7506 * mkconfig.sh: Include insn-flags.h.
7507 * Makefile.in (CONFIG_H): Include insn-flags.h.
7508 (lots of objects): Remove insn-codes.h and insn-flags.h.
7510 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7511 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7512 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7513 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7514 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7515 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7516 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7517 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7518 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7519 v850/v850.c, vax/vax.c:
7520 Don't include insn-flags.h.
7522 * diagnostic.c, expr.h, reload.c, toplev.c:
7523 Don't include insn-codes.h.
7525 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7526 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7527 c4x/c4x.c, i960/i960.c, mips/mips.c:
7528 Don't include insn-codes.h or insn-flags.h.
7530 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7531 or insn-flags.h in the generated code.
7532 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7533 (main): Forward declare struct rtx_def.
7535 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
7537 * invoke.texi (-ffast-math): Remove duplicate line about
7540 * gcc.texi: Remove more obsolete documentation of bugs and
7541 installation problems.
7543 2001-03-21 Kazu Hirata <kazu@hxi.com>
7545 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7548 2001-03-20 Jason Merrill <jason@redhat.com>
7550 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7552 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7553 * varasm.c (CHKR_PREFIX): Likewise.
7555 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7557 * gcse.c (hash_scan_set): An expression is not anticipatible if it
7558 is part of a multi-SET insn.
7560 * cse.c (find_comparison_args): Remove previous change.
7561 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7564 * config/i386/i386.md (conditional_trap): Remove warning.
7566 * recog.c (push_operand): Fix error in last change that caused
7567 undefined symbol on many targets.
7569 * sdbout.c: #include ggc.h.
7570 (sdbout_init): Move to end of file.
7571 Call ggc_add_tree_root for anonymous_types.
7572 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7573 (sdbout_one_type): Use DECL_NAME for field name.
7574 * Makefile.in (sdbout.o): Show includes ggc.h.
7576 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
7578 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7579 (override_options): Use properlimits for preferred_stack_boundary.
7580 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7582 (ext_register_operand): Accept DImode.
7583 (load_pic_register): Abort on 64bit.
7584 (gen_push): Use Pmode instead of SImode.
7585 (ix86_save_reg): Pic reg is never used on 64bit.
7586 (ix86_expand_prologue): Likewise.
7587 (ix86_emit_save_regs): Use Pmode instead of SImode.
7588 (legitimate_address_p): Check displacement for 64bit.
7589 (print_operand): Avoid outputting of (%rip) on 64bit.
7590 (print_operand_address): Output (%rip) where possible.
7591 (split_di): Abort on 64bit registers.
7592 (ix86_expand_branch): DImode comparison is simple for x86_64.
7593 (memory_address_length): Recognize memory addresses formed using
7595 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7597 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7599 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7601 * recog.c (push_operand): Recognize new format of push instructions.
7603 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7605 * i386.md (pushqi1): New.
7606 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7607 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7608 x86_64_immediate_operand, x86_64_immediate_operand,
7609 x86_64_zext_immediate_operand): Declare.
7610 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7611 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7612 x86_64_immediate_operand, x86_64_immediate_operand,
7613 x86_64_zext_immediate_operand): define.
7614 * i386.h (PREDICATE_CODES): Add new predicates.
7616 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7618 * i386.md (pophi1, popqi1, pushqi1): Remove.
7620 * expr.c (emit_single_push_insn): New function.
7621 (move_by_pieces): Accept NULL as destination for push instructions.
7622 (gen_push_operand): Kill.
7623 (emit_push_insn): Pass NULL when pushing; avoid updating of
7624 stack_pointer_delta.
7625 * expr.h (gen_push_operand): Kill.
7627 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7629 * rtl.texi (COMPARE): Clarify documentation and reference section
7632 2001-03-20 Stan Shebs <shebs@apple.com>
7634 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7635 (get_object_reference): Ditto.
7636 (error_with_ivar): Use error_with_file_and_line.
7637 (warn_with_method): Use warning_with_file_and_line.
7639 2001-03-20 Tom Tromey <tromey@redhat.com>
7641 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7643 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7645 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7646 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7648 2001-03-20 DJ Delorie <dj@redhat.com>
7650 * Makefile.in (install-libgcc): Pass complete list of variables.
7651 (install-multilib): Ditto.
7653 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7655 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7656 drectve_section, switch_to_section.
7658 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7659 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7660 i386_pe_mark_dllimport.
7662 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7664 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7665 functions i386_pe_*.
7667 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7668 i386_pe_* functions with char * arguments.
7670 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7672 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7674 (movsi_ie): Introduce fpul store.
7676 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7678 * Makefile.in (OBJS): Remove hashtab.o.
7680 2001-03-19 Stan Shebs <shebs@apple.com>
7682 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7683 * c-lang.c (maybe_objc_method_name): Ditto.
7684 * c-tree.h (maybe_objc_method_name): Remove decl.
7686 2001-03-19 Tom Tromey <tromey@redhat.com>
7688 * gcc.c (init_gcc_specs): Fix comment.
7690 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7692 Compute DECL_ASSEMBLER_NAME lazily.
7693 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7694 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7695 (SET_DECL_ASSEMBLER_NAME): Likewise.
7696 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7697 (set_decl_assembler_name): Declare.
7698 (lang_set_decl_assembler_name): Likewise.
7699 * tree.c (lang_set_decl_assembler_name): New variab.e
7700 (set_decl_assembler_name): New function.
7701 (init_obstacks): Set lang_set_decl_assembler_name.
7702 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7703 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7704 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7705 where it's not necessary.
7706 (builtin_function): Likewise.
7707 (finish_decl): Likewise.
7708 * dbxout.c (dbxout_type_methods): Likewise.
7709 * ggc-common.c (ggc_mark_trees): Likewise.
7710 * profile.c (output_func_start_profiler): Likewise.
7711 * varasm.c (make_decl_rtl): Likewise.
7713 * cse.c (find_comparison_args): Update documentation. Fix
7714 mishandling of COMPARE operations.
7716 * tree.def (ABS_EXPR): Add documentation.
7717 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7719 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7721 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7723 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7725 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7726 Remove ia32 linux PIC kludge and move it...
7727 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7729 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7731 * i386.md (absdf2 expander): Fix 64bit case.
7733 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7735 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7737 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7739 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7741 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7743 * README.X11: Remove obsolete file.
7745 2001-03-18 Anthony Green <green@redhat.com>
7747 * config/pj/pj.h: Remove some trailing commas.
7748 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7750 2001-03-18 Richard Henderson <rth@redhat.com>
7752 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7753 * calls.c: ... here.
7754 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7755 defaults for them here.
7757 2001-03-17 Anthony Green <green@redhat.com>
7759 * config/pj/lib1funcs.S: Fix broken comment.
7760 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7763 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7765 * gcc.texi: Remove obsolete information relating to build and
7766 installation problems with enquire or the Pyramid C compiler.
7768 2001-03-17 Richard Henderson <rth@redhat.com>
7770 * dwarf2out.c (queue_reg_save): New.
7771 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7772 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7774 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7775 (cfa, cfa_store, cfa_temp): Make static.
7776 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7778 2001-03-17 Richard Henderson <rth@redhat.com>
7780 * integrate.h (struct inline_remap): Add local_return_label.
7781 * integrate.c (expand_inline_function): Initialize it and emit
7782 it after copy_insn_notes.
7783 (copy_insn_list): Don't store local_return_label here.
7784 (copy_insn_notes): New function split out from copy_insn_list.
7786 2001-03-17 Richard Henderson <rth@redhat.com>
7788 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7789 is generating .debug_line.
7790 (dwarf2out_init): Add main_input_filename to the file table first.
7791 * configure.in (as_dwarf2_debug_line): Test with file number 1
7792 instead of file number 0.
7794 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7796 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7797 (gen_rtx_combine): Deleted; all references changed as appropriate.
7798 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7800 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7802 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7804 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7807 2001-03-16 Jim Wilson <wilson@redhat.com>
7809 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7810 then set it to LOC_REG (79) instead of aborting.
7812 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7814 * gccbug.in: Remove high priority.
7816 2001-03-16 Richard Henerson <rth@redhat.com>
7818 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7819 output with a space instead of deleting it.
7820 * configure: Regenerate.
7822 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7824 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7825 handles the gory details of converting an object file into
7826 something that's safe to grep.
7827 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7828 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7829 newlines at either end of the string we're looking for.
7830 Make 'checking ...' message less stilted.
7831 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7832 ARM in-memory layout and its hypothetical converse. Don't
7833 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7834 HOST_WORDS_BIG_ENDIAN.
7836 * configure.in: Adjust for renamed macro. Move
7837 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7838 * configure, config.in: Regenerate.
7840 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7842 * fixinc/Makefile.in: Set SHELL.
7844 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7846 * fixinc/fixincl.c (fix_with_system): Quote file names before
7847 passing them to shell.
7849 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7851 * Makefile.in: Use fix-header$(build_exeext) instead
7854 2001-03-16 Richard Henderson <rth@redhat.com>
7856 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7857 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7858 (size_of_line_prolog): Remove.
7859 (output_line_info): Compute prologue size via label difference.
7860 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7862 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7863 assembler error when redefining file numbers.
7864 * config.in, configure: Rebuild.
7866 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7867 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7868 (dw2_asm_output_delta_uleb128): Likewise.
7869 (dw2_asm_output_delta_sleb128): Similarly.
7870 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7872 2001-03-16 Michael Meissner <meissner@redhat.com>
7874 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7876 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7878 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7880 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7881 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7882 being unsigned in ISO C and signed in traditional.
7883 (expand_prologue): Ditto.
7884 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7886 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7888 (divsi3,divdi3): Ditto.
7889 (modsi3,moddi3): Ditto.
7890 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7891 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7892 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7895 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7897 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7898 SSE based conditional moves on LTGT/UNEQ conditions;
7899 Canonicalize EQ to NE.
7900 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7901 (sse_mov?fcc_ne): New.
7903 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7905 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7907 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7908 register may be dead.
7910 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7912 * Makefile.in (hash.o): Depend on CONFIG_H.
7914 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7916 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7918 2001-03-15 Richard Henderson <rth@redhat.com>
7920 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7921 (ASM_OUTPUT_DWARF_PCREL): New.
7922 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7924 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7926 * cppfiles.c (stack_include_file): Use MAX of sysp.
7928 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7930 * config.gcc (ia64*-*-hpux*): New case.
7931 * config/ia64/hpux.h: New file for HP-UX support.
7932 * config/ia64/t-hpux: New file for HP-UX support.
7934 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7936 * fixinc/inclhack.def (irix_stdio_va_list): New.
7937 * fixinc/fixincl.x: Rebuilt.
7939 2001-03-15 Richard Henderson <rth@redhat.com>
7941 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7942 if provided by the target.
7943 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7944 (dw2_asm_output_addr): New.
7945 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7946 * dwarf2out.c (output_cfi): Use it for program addresses.
7947 (output_call_frame_info, output_die): Likewise.
7948 (output_aranges, output_line_info): Likewise.
7950 2001-03-15 Bruce Korb <bkorb@gnu.org>
7952 * gcc.c(main): make more rigorous
7953 * collect2.c(main): guard against ignoring SIGCHLD
7954 * protoize.c(main): ditto
7955 * gcc/fixinc/fixincl.c(initialize): ditto
7957 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7959 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7960 (sdbout_parms): Likewise.
7962 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7964 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7965 "widen" a destination that is already wider than a word. Also do
7966 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7968 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7970 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7972 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7974 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7976 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7978 * i960.h (i960_maxbitalignment,
7979 i960_last_maxbitalignment): Declare.
7980 * i960.c (i960_maxbitalignment,
7981 i960_last_maxbitalignment): Make global.
7982 (process_pragma): Delete.
7983 (i960_pr_align, i960_pr_noalign): Move from here ...
7984 * i960-c.c: ... to this new file.
7985 * t-960bare (i960-c.o): New rule.
7986 * t-vxworks960 (i960-c.o): Likewise.
7987 * config.gcc (i960-*-*): Define c_target_objs and
7990 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7992 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7993 without adding in rtx code and mode.
7995 * alias.c (init_alias_analysis): Don't use any rtx whose value
7996 varies as a known value.
7997 Delete a superfluous test.
7999 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
8001 (ia64_sched_reorder): Call maybe_rotate; also rotate after
8002 scheduling a stop bit.
8003 (ia64_emit_nops): Correctly handle ASMs.
8005 2001-03-15 Mark Mitchell <mark@codesourcery.com>
8007 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
8009 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
8011 * cpp.texi: Update documentation for -include and -imacros.
8012 * cppfiles.c (struct include_file): Remove "defined" memeber.
8013 (find_or_create_entry): Make a copy of the file name, and
8015 (open_file): Update to ensure we use the simplified filename.
8016 (stack_include_file): Don't set search_from.
8017 (cpp_included): Don't simplify the path name here.
8018 (find_include_file): New prototype. Call search_from to
8019 get the start of the "" include chain. Don't simplify the
8021 (_cpp_execute_include): New prototype. Move diagnostics to
8022 do_include_common. Update.
8023 (_cpp_pop_file_buffer): Don't set defined.
8024 (search_from): New prototype. Use the preprocessor's cwd
8025 for files included from the command line.
8026 (read_name_map): Don't simplify the pathname here.
8027 * cpphash.h (enum include_type): New.
8028 (struct buffer): Delete search from. New search_cached.
8029 (_cpp_execute_include): Update prototype.
8030 * cppinit.c (do_includes): Use _cpp_execute_include.
8031 * cpplib.c (do_include_common): New function.
8032 (do_include, do_include_next, do_import): Use it.
8034 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8036 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
8037 contents of the RTL, to determine the name of the object.
8039 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8041 * tree.h (DECL_RTL): Allocate RTL lazily.
8042 (SET_DECL_RTL): New macro.
8043 (DECL_RTL_SET_P): Likewise.
8044 (COPY_DECL_RTL): Likewise.
8045 (DECL_RTL_IF_SET): Likewise.
8046 * varasm.c (make_decl_rtl): Add assertions about the kind of
8047 declaration we are processing.
8048 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
8049 (start_decl): Likewise.
8050 (finish_decl): Likewise.
8051 * c-semantics.c (emit_local_var): Likewise.
8052 * calls.c (expand_call): Likewise.
8053 * dbxout.c (dbxout_symbol): Likewise.
8054 * emit-rtl.c (unshare_all_rtl): Likewise.
8055 (unshare_all_decls): Likewise.
8056 (reset_used_decls): Likewise.
8057 * expr.c (store_constructor): Likewise.
8058 (safe_from_p): Likewise.
8059 (expand_expr): Likewise.
8060 * function.c (put_var_into_stack): Likewise.
8061 (instantiate_decls_1): Likewise.
8062 (assign_parms): Likewise.
8063 (expand_function_start): Likewise.
8064 (expand_function_end): Likewise.
8065 * ggc-common.c (gcc_mark_trees): Likewise.
8066 * integrate.c (function_cannot_inline_p): Likewise.
8067 (copy_decl_for_inlining): Likewise.
8068 (expand_inline_function): Likewise.
8069 (integrate_parm_decls): Likewise.
8070 (integrate_decl_tree): Likewise.
8071 * print-tree.c (print_node): Likewise.
8072 * reg-stack.c (stack_result): Likewise.
8073 * stmt.c (label_rtx): Likewise.
8074 (expand_return): Likewise.
8075 (expand_decl): Likewise.
8076 (expand_decl_cleanup): Likewise.
8077 (expand_anon_union_decl): Likewise.
8078 * toplev.c (check_global_declarations): Likewise.
8079 (rest_of_decl_compilation): Likewise.
8080 * tree.c (simple_cst_equal): Likewise.
8081 * objc/objc-act.c (generate_static_references): Likewise.
8083 2001-03-14 Zack Weinberg <zackw@stanford.edu>
8085 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
8086 gcc_AC_C_FLOAT_FORMAT): New macros.
8087 * configure.in: Add AC_PROG_CPP after CC tests;
8088 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
8089 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
8090 * configure, config.in: Regenerate.
8092 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
8093 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8094 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8095 config/i370/xm-linux.h, config/i370/xm-oe.h,
8096 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8097 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
8098 config/pa/xm-linux.h, config/pa/xm-pa.h,
8099 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
8100 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
8101 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
8102 config/we32k/xm-we32k.h: Delete.
8104 * config/i370/xm-mvs.h, config/m88k/m88k.h,
8105 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8106 config/vax/xm-vms.h: Don't define any of:
8107 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
8109 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
8111 * config.gcc: Remove references to deleted files.
8112 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
8113 FATAL_EXIT_CODE, which is the same between oe and mvs).
8115 2001-03-14 DJ Delorie <dj@redhat.com>
8116 Vladimir Makarov <vmakarov@redhat.com>
8118 * config/i960/i960.c (i960_function_prologue): Compute size of
8119 frame according to number of registers actually saved there.
8121 2001-03-14 Richard Henderson <rth@redhat.com>
8123 * expr.c (emit_move_insn_1): Fix else if around #endif.
8125 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
8128 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
8131 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
8133 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
8134 (override_options): Parse cmodel string.
8135 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
8136 * i386.h (TARGET_OPTIONS): Add "cmodel".
8137 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
8139 (ix86_cmodel_string, ix86_cmodel): Declare.
8141 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
8144 * i386.h (GENERAL_REG_P): Add missing REG_P.
8146 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
8148 * configure.in: Use $gcc_cv_as instead of $as.
8149 * configure: Regenerated.
8151 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
8153 * cppfiles.c (stack_include_file): Only increase the include
8154 count if we actually process the file properly, as opposed
8155 to treating it as length zero. Only call read_include_file
8156 if not DO_NOT_REREAD. Handle the -H include file output
8158 (read_include_file): Remove now redundant DO_NOT_REREAD check.
8159 (cpp_included, find_include_file): Simplify pathnames after
8160 remapping them. If remapping, don't use the remapped file
8161 name's buffer as our scratch buffer.
8162 (cpp_pop_file_buffer): Replace the multiple include macro
8163 only if it isn't yet set.
8164 (read_name_map): Simplify remapped names when reading in.
8165 (remap_filename): Move code to code path that uses it.
8166 (_cpp_simplify_pathname): Return the input pointer.
8167 * cpphash.h (_cpp_simplify_pathname): Update prototype.
8169 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8171 * expr.c (expand_expr): Revove bogus conditional.
8173 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
8175 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
8177 2001-03-14 Jakub Jelinek <jakub@redhat.com>
8179 * reg-stack.c (stack_result): Unconditionally use
8180 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
8182 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
8184 * expr.c (emit_move_insn_1): Split push of complex value when
8185 no suitable push instruction exist.
8187 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
8188 instead of QI_REG_P.
8190 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8192 * alias.c (handled_component_p, can_address_p): New functions.
8193 (get_alias_set): Use them.
8195 2001-03-13 Jim Wilson <wilson@redhat.com>
8197 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
8198 from 80 in try_locals code.
8199 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
8201 2001-03-13 Zack Weinberg <zackw@stanford.edu>
8203 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
8204 gcc_AC_C_LONG_LONG): New.
8205 * configure.in: Use them. Probe the size of short, int, long,
8206 and long long/__int64 if we have them. Move all the AC_C_*
8207 checks together, except gcc_AC_C_CHAR_BIT which has to go
8208 after AC_CHECK_HEADERS(limits.h).
8209 Take hwint.h out of host_xm_file and build_xm_file.
8211 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
8212 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
8213 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
8214 Move the HOST_WIDEST_INT setup logic here from system.h.
8215 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
8217 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
8218 is now handled by hwint.h.
8220 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
8221 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
8222 config/ia64/xm-ia64.h: Don't define any of:
8223 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
8224 HOST_BITS_PER_LONGLONG.
8226 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
8227 config/h8300/xm-h8300.h, config/mips/iris6.h,
8228 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
8229 config/sparc/xm-sp64.h: Delete.
8230 * config.gcc: Remove references to deleted files.
8232 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
8233 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
8234 * config/i370/xm-linux.h: Clarify floating-point situation in
8237 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
8239 * cppfiles.c (NO_INCLUDE_PATH): New macro.
8240 (find_include_file): Decide here which part of the include
8241 chain to start the search. Complain about an empty include
8242 chain in all cases apart from an abolsute file name.
8243 (_cpp_execute_include): Don't choose the search chain here.
8244 Don't call handle_missing_include in the case of an empty
8246 (_cpp_compare_file_date): Don't choose the search chain here.
8247 * cpplib.c (do_include_next): Move the in-main-file diagnostic
8248 here from _cpp_execute_include. Behave like #include if
8249 we're in the main file.
8251 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8253 * system.h (malloc, realloc, calloc, strdup): Only poison these
8254 tokens when IN_GCC is defined.
8256 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
8258 * i386.md (abs?f expander): Support SSE case.
8259 (abd?f_if): Add new "USE"; add splitters.
8261 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8263 * cpp.texi (poison): Explain the macro expansion exception.
8265 2001-03-13 Jakub Jelinek <jakub@redhat.com>
8267 * expr.c (store_expr): Add dont_store_target. If temp is already in
8268 target before copying to reg, don't store it into target again.
8270 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8272 * cppinternals.texi: Update for file handling.
8274 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8276 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
8277 2001-02-24 which broke building the Java library.
8278 * function.c (identify_blocks): Likewise.
8279 (all_blocks): Likewise.
8280 * integrate.c (integrate_decl_tree): Likewise.
8281 * print-tree.c (print_node): Likewise.
8282 * tree.h (BLOCK_NUMBER): Likewise.
8283 (struct tree_block): Likewise.
8285 2001-03-12 David Edelsohn <edelsohn@gnu.org>
8287 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
8288 __WCHAR_TYPE__ definition.
8289 (WCHAR_TYPE_SIZE): #undef before #define.
8291 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8293 * cppfiles.c: Update comments.
8294 (destroy_include_file_node): Rename destroy_node.
8295 (find_or_create_entry): New function.
8296 (open_file, _cpp_fake_include): Use it.
8297 (handle_missing_header): New function, broken out of
8298 _cpp_execute include. Don't segfault if there is no
8299 system or quoted path.
8300 (_cpp_execute_include): Use handle_missing_header.
8302 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8304 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
8305 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
8307 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8309 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
8310 unless anti_dependence says they are.
8311 * alias.c (objects_must_conflict): If neither has a type specified,
8314 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8315 David Billinghurst <David.Billinghurst@riotinto.com>
8317 * config/mips/iris5.h: Change WCHAR_TYPE to int.
8319 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
8321 * i386.md (trunctfdf2_2): Rename missnamed pattern.
8322 (*_one_bit): Remove type on the match_operand in attributes.
8324 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
8326 * i386.c: Commit forgotten hunk in previous patch.
8327 (regclass_map): Add extended registers.
8328 (dbx_register_map): Add missing frame register.
8330 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
8332 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
8334 * i386.md (x86_sahf_1): Disable for 64bit.
8335 (popsi*, pophi*): Likewise.
8336 (pushqi, pushhi): Likewise.
8337 (movdi, pushdi): Likewise.
8338 (zero extend DImode splitter): Likewise.
8339 (adddi, minusdi splitter): Likewise.
8340 (umulsidi): Likewise.
8342 (mulsidi): Disable for 64bit
8343 (lshift:DI/ashift:DI): Disable for 64bit.
8344 (loop patterns): Likewise.
8345 (call_pop, call_value_pop expanders and patterns): Likewise.
8346 (prologue_get_pc): Likewise.
8348 (fcmovDI pattern and splitter): Likewise.
8349 (movdfcc_1_rex64): New.
8351 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
8353 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
8354 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
8355 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
8356 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
8357 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
8358 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
8359 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
8360 (PUSH_ROUNDING): x86_64 rounds to 64bits.
8361 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
8362 (REGPARM_MAX): Set to 6 for x86_64.
8363 (SSE_REGPARM_MAX): Set to 16 for x86_64.
8364 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
8367 * (patterns that does use upper halves): Update constraints
8368 'q' to 'Q' and 'r' to 'R'.
8369 (cmpqi_ext_1): Disable for 64bit.
8370 (cmpqi_ext_3_insn): Likewise.
8371 (movqi_extzv_1): Likewsie.
8372 (addqi_ext_1): Liekwsie
8373 (testqi_ext_1): Liekwsie
8374 (andqi_ext_1): Liekwsie
8375 (xorqi_ext_1): Liekwsie
8376 (cmpqi_ext_1_rex64): New.
8377 (cmpqi_ext_3_insn_rex64): Likewise.
8378 (movqi_extzv_1_rex64): Likewsie.
8379 (addqi_ext_1_rex64): Liekwsie
8380 (testqi_ext_1_rex64): Liekwsie
8381 (andqi_ext_1_rex64): Liekwsie
8382 (xorqi_ext_1_rex64): Liekwsie
8384 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8386 * configure.in: Move check for unsigned enumerated bitfields
8387 to macro in aclocal.m4. Disable it for now.
8388 * configure, config.in: Regenerate.
8389 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
8390 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
8391 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
8392 kind above its first use.
8394 * config/xm-interix.h, config/alpha/xm-alpha.h,
8395 config/i370/xm-linux.h, config/i386/xm-beos.h,
8396 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
8397 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8398 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
8399 Don't define ONLY_INT_FIELDS under any circumstances.
8401 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
8403 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8404 config/sparc/xm-sysv4.h: Delete - now identical with some
8406 * config.gcc (hppa targets): Replace xm-pahpux.h and
8407 xm-papro.h with implicit xm-pa.h.
8408 (sparc targets): Replace xm-sysv4.h with implicit or explicit
8411 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
8413 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
8414 before reload_cse_noop_set_p.
8416 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8418 * config.gcc: Where xm-host.h used to include another
8419 xm-host.h, list the nested header directly in xm_file. Remove
8420 references to deleted files. Can now use sparc/xm-sp64.h for
8423 * config/xm-linux.h, config/arm/xm-linux.h,
8424 config/i386/xm-dos.h, config/i386/xm-gnu.h,
8425 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
8426 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
8427 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
8428 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
8431 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
8432 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
8433 bother to wrap #undef in #ifdef.
8434 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
8435 Don't include xm-linux.h.
8436 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
8438 * configure.in: Wrap regexps using [] in changequote block.
8439 Use expr : not echo | grep. Simplify regexps.
8440 * configure: Regenerate.
8442 56 xm-files remain, 22 xm-arch.
8444 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8446 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
8447 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8448 (local_index, local_rindex): Delete, use strchr/strrchr instead.
8449 (copy_object): Fix format specifier vs argument mismatch.
8451 * mips-tdump.c: Make local functions static.
8452 (rindex): Don't #undef.
8453 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8454 (fatal, fancy_abort): Delete.
8455 (read_seek): Avoid signed/unsigned compare.
8457 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8459 * combine.c (try_combine): Fix error in change to try original
8461 (gen_rtx_combine): Do same as gen_rtx for now.
8463 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8465 * configure.in: AC_SUBST xm_defines.
8466 * configure: Regenerate.
8467 * Makefile.in: Set DEFINES=$(xm_defines) when building
8470 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
8472 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
8473 (cpp_included, find_include_file): Update.
8474 (_cpp_compare_file_date): Make else unconditional.
8476 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
8478 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
8480 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8482 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8483 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8485 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
8487 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8488 if it's a record type.
8490 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
8492 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
8493 mingw includes slightly.
8495 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8497 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8498 #undef token before poisoning it.
8500 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8502 * alpha.c (check_float_value): Use memcpy, not bcopy.
8504 * m32r.c (m32r_sched_reorder): Likewise.
8506 * vax.c (check_float_value): Likewise.
8508 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8510 * toplev.c (file_name_nondirectory): Remove.
8511 * toplev.h: Similarly.
8512 * dwarf2out.c (compute_section_prefix): Use lbasename instead
8513 of file_name_nondirectory.
8515 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8517 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8518 * mips-tfile.c: Don't #undef rindex; not used.
8520 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
8522 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8523 (dbx64_register_map): Declare.
8524 (RETURN_ADDR_RTX): Fix for 64bit.
8525 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8526 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8527 * i386.c (dbx64_register_map): New global array.
8528 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8529 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8532 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8534 * cppfiles.c (search_from): Use lbasename.
8535 * mkdeps.c (deps_add_default_target): Use lbasename.
8537 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8539 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8540 xcalloc in lieu of malloc, realloc & calloc.
8542 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8544 * gengenrtl.c (xmalloc): Likewise.
8546 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8547 really_call_* memory allocation routines.
8549 * stmt.c (check_for_full_enumeration_handling): Use
8550 really_call_calloc, not calloc.
8552 * system.h (really_call_malloc, really_call_calloc,
8553 really_call_realloc): Define.
8554 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8556 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
8558 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8560 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
8562 * configure: Rebuilt.
8563 * configure.in: Only use `lang_requires' for languages athat are
8566 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
8568 * invoke.texi: Fix typo.
8569 * gcc.1: Regenerate.
8571 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8573 * configure.in: Prune nonexistent files from build_xm_file,
8574 xm_file, and host_xm_file lists. Warn unless they're
8576 Don't generate *config.h here.
8577 AC_SUBST all variables needed to generate *config.h.
8578 * configure: Regenerate.
8579 * mkconfig.sh: New helper script, from code removed from
8581 * Makefile.in: Zap all MALLOC variables - no longer used
8582 anywhere, and malloc.c doesn't exist.
8583 Substitute in variables needed to generate *config.h.
8584 Stop lying about the dependencies contained in CONFIG_H and
8586 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8587 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8588 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8589 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8590 $(TM_P_H), etc. as appropriate.
8592 * config.gcc: Zap references to deleted files.
8593 * ggc-none.c: Don't include rtl.h or tm_p.h.
8595 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8596 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8597 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8598 config/i386/xm-linux.h, config/i386/xm-linux.h,
8599 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8600 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8601 Don't include i386/xm-i386.h.
8603 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8604 config/i386/xm-i386.h, config/i860/xm-i860.h,
8605 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8606 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8607 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8608 Delete (empty except comments, #includes of other deleted
8609 files, and macros used nowhere).
8611 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8613 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8614 independent on TARGET_FLAGS.
8616 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8618 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8620 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8622 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8624 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8625 LAST_REX_SSE_REG): define.
8626 (enum reg_class): Add 'LEGACY_REGS'
8627 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8628 (SSE_REGNO_P): Recognize extended registers.
8629 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8630 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8631 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8632 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8633 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8634 REG_OK_FOR_STRREG_P): Remove.
8635 (HI_REGISTER_NAMES): Add extended registers.
8636 (ADDITIONAL_REGISTER_NAMES): Likewise.
8637 (QI_REGISTER_NAMES): Add 8bit extended registers.
8638 (DEBUG_REG): Support extended registers.
8639 * i386.c (regclass_map): Add extended registers.
8640 (dbx_register-map): Likewise.
8641 (svr4_dbx_register_map): Likewise.
8642 (print_reg): Support extended registers.
8643 (print_operand): Support 64bit operands.
8645 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8647 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8648 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8649 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8650 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8651 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8652 STACK_BOUNDARY): Set properly for 64bits.
8653 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8654 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8655 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8656 (MOVE_MAX): Set to 16.
8657 (MOVE_MAX_PIECES): 8 for 64bit.
8658 (Pmode): Set to SImode.
8660 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8662 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8664 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8666 * i386.h (mask_64bit): New constant.
8667 (target_64bit): New macro.
8668 (target_options): Add '64'/'32'
8669 (target_default): Define.
8670 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8671 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8672 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8674 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8676 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8678 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8680 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8681 LO_SUM unless for_alias is set.
8683 2001-03-08 Stan Shebs <shebs@apple.com>
8685 * objc/objc-act.c: Fix old typos in comments, add comments for
8687 (hash_init): Fix file name in error message.
8688 (hash_enter): Ditto.
8689 (hash_add_attr): Ditto.
8690 (continue_class): Ditto.
8692 2001-03-08 Bruce Korb <bkorb@gnu.org>
8694 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8695 wait4() can receive the signal.
8697 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8699 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8701 * fixinc/fixincl.x: Regenerate.
8703 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8705 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8707 * fixinc/fixincl.x: Regenerate.
8709 2001-03-08 Richard Henderson <rth@redhat.com>
8711 * configure.in (HAVE_AS_LEB128): New assembler check.
8712 * configure, config.in: Rebuilt.
8714 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8716 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8719 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8721 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8722 references to the MAXPATHLEN macro.
8724 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8725 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8728 * config/i386/xm-gnu.h, config/xm-gnu.h,
8729 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8730 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8731 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8732 and/or unused files.
8734 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8735 doing so in various xm-*.h files.
8737 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8739 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8741 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8743 * configure.in (enable_shared): Support per-package shared-library
8745 * configure: Rebuilt.
8747 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8749 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8750 for crnot. Set operands[5] in splitter.
8752 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8754 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8755 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8756 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8757 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8758 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8759 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8760 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8763 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8764 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8765 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8766 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8767 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8768 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8769 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8770 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8771 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8772 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8773 Delete unused and/or empty files.
8775 * config.gcc: Define USG in xm_defines as appropriate. Define
8776 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8777 macro. Remove deleted xm-* files from $xm_files variable.
8779 2001-03-07 Tom Tromey <tromey@redhat.com>
8781 * configure: Rebuilt.
8782 * configure.in: Allow config-lang.in to set `lang_requires' to list
8783 of other required languages.
8785 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8787 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8789 (output_prologue): Use xmalloc not oballoc.
8790 (output_epilog): Free a29k_first_epilogue_insn when finished.
8791 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8793 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8795 * builtins.c (expand_builtin_mathfn): Check
8796 flag_unsafe_math_optimizations, not flag_fast_math.
8797 (expand_builtin): Likewise
8798 * combine.c (combine_simplify_rtx): Likewise.
8799 (simplify_if_then_else): Likewise.
8800 * cse.c (fold_rtx): Likewise.
8801 * flags.h: Remove flag_fast_math. Add
8802 flag_unsafe_math_optimizations and flag_trapping_math.
8803 * fold-const.c (negate_expr): Check
8804 flag_unsafe_math_optimizations, not flag_fast_math.
8805 (invert_truthvalue): Likewise.
8806 (fold): Likewise. Before associating operands, check that
8807 code == MULT_EXPR, not code != MULT_EXPR.
8808 * ifcvt.c (noce_try_minmax): Check
8809 flag_unsafe_math_optimizations, not flag_fast_math.
8810 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8811 * invoke.texi: Document -funsafe-math-optimizations and
8812 -fno-trapping-math. Change documentation for -ffast-math.
8813 * jump.c (reversed_comparison_code_parts): Likewise.
8814 (rtx_equal_for_thread_p): Likewise.
8815 * optabs.c (emit_conditional_move): Likewise.
8816 * simplify-rtx.c (simplify_binary_operation): Likewise.
8817 (simplify_relational_operation): Likewise.
8818 (simplify_ternary_operation): Likewise.
8819 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8820 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8821 Add trapping-math and unsafe-math-optimizations entries to f_options.
8822 (set_fast_math_flags): New, sets flags for -ffast-math.
8823 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8824 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8825 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8827 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8828 (alpha_emit_conditional_move): Initialize local_fast_math to
8829 flag_unsafe_math_optimizations, not flat_fast_math.
8830 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8831 instead of setting flag_fast_math to 1.
8832 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8834 * config/i386/i386.c (override_options): Likewise
8835 * config/i386/i386.md: Likewise.
8836 * config/m68k/m68k.md: Likewise.
8837 * config/mips/mips.md: Likewise.
8838 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8839 (rs6000_generate_compare): Likewise.
8841 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8843 * Makefile.in: Set RANLIB to @RANLIB@.
8846 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8848 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8849 * fixinc/fixincl.x: Regenerated.
8851 2001-03-07 Richard Henderson <rth@redhat.com>
8853 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8855 2001-03-07 Richard Henderson <rth@redhat.com>
8857 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8858 of block notes and exception handling notes.
8860 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8861 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8862 (compile_file): ... here.
8864 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8866 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8868 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8869 config.h now. Include libiberty.h to handle alloca.
8871 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8873 * c-parse.in (yylexname): New function, split out of _yylex.
8874 (objc_rid_sans_at): New table.
8875 (init_reswords): Initialize it.
8876 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8877 retrieving the next token and checking it for significance as
8878 an ObjC keyword or string constant.
8880 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8881 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8883 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8886 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8888 * config/m68k/m68k.c (const_uint32_operand): Accept any
8889 const_int on a 32-bit host.
8891 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8893 * objc/objc-act.c (init_objc): Set save_lang_status,
8894 restore_lang_status, and mark_lang_status.
8896 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8898 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8900 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8902 * cppinternals.texi: Update.
8904 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8906 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8907 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8908 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8909 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8910 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8911 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8912 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8913 config/i386/xm-i386.h, config/i860/xm-i860.h,
8914 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8915 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8916 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8917 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8918 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8919 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8920 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8921 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8922 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8923 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8924 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8925 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8926 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8927 match the defaults provided in hwint.h.
8929 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8930 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8932 * config.gcc (xm_file): Don't set to files which are deleted.
8934 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8935 guard this file against these macros being undefined.
8937 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8939 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8940 and DECL_DEFER_OUTPUT on the decl we create, before calling
8941 rest_of_decl_compilation.
8943 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8945 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8947 * configure, config.in: Regenerate.
8948 * config.gcc: Remove references to deleted files.
8950 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8951 genrecog.c, rtl.c: Do not use alloca anywhere.
8953 * Makefile.in, build-make, system.h, config/x-interix,
8954 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8955 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8956 config/arc/xm-arc.h, config/arm/xm-arm.h,
8957 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8958 config/h8300/xm-h8300.h, config/i370/x-oe,
8959 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8960 config/i386/x-ncr3000, config/i386/x-sco5,
8961 config/i386/xm-dgux.h, config/i860/x-sysv4,
8962 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8963 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8964 config/m68k/x-hp320g, config/m69k/x-mot3300,
8965 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8966 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8967 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8968 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8969 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8970 config/mips/x-iris, config/mips/x-iris3,
8971 config/mips/x-sni-svr4, config/mips/x-sysv,
8972 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8973 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8974 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8975 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8976 config/pa/xm-papro.h, config/romp/xm-romp.h,
8977 config/rs6000/x-aix31, config/rs6000/x-aix41,
8978 config/rs6000/x-beos, config/rs6000/x-lynx,
8979 config/rs6000/x-mach, config/rs6000/x-rs6000,
8980 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8981 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8982 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8983 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8984 config/vax/xm-vms.h: Eradicate all references to alloca and
8987 * config/xm-alloca.h, config/clipper/x-clix,
8988 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8989 config/i860/x-sysv3, config/m88k/x-sysv3,
8990 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8991 (contained only alloca related hacks).
8993 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8996 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8998 * invoke.texi: Document __FAST_MATH__.
9000 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9002 * crtstuff.c: Restore include of auto-host.h.
9004 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
9006 Put main() in a separate file, so that the language
9007 front-end can use a different main().
9010 * toplev.c: (main): Rename as toplev_main.
9011 * toplev.h: Declare toplev_main.
9012 * Makefile.in (OBJS): add toplev.o.
9013 (BACKEND): remove toplev.o, add main.o.
9015 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9017 * cppfiles.c (search_from): Special case the empty string.
9019 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9021 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
9022 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
9023 strlen or strcpy; we already know the length.
9024 (_cpp_compare_file_date): Similarly.
9025 * cpphash.h (struct cpp_reader): Delete done_initialising.
9026 (CPP_PREV_BUFFER): Delete.
9027 * cppinit.c (cpp_start_read): Don't set done_initialising.
9028 * cpplex.c (parse_string): Guarantee null-termination.
9029 (_cpp_equiv_toklists): Remove.
9030 * cpplib.c (glue_header_name): Null-terminate.
9031 (do_line): Don't leak memory.
9032 * cpplib.h (BT_WEAK): Delete.
9033 * cppmain.c (cb_ident): Strings are now null-terminated.
9035 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
9037 * gcc.c (convert_filename): Append executable suffix
9038 if NO_AUTO_EXE_SUFFIX is not defined.
9039 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
9040 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
9042 2001-03-03 David O'Brien <obrien@FreeBSD.org>
9044 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9045 * c-parse.gperf, c-gperf.h: Delete.
9046 (c-gperf.h was accidently re-added to the CVS repo in the rev
9047 1.16 commit by tromey)
9049 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9051 * cpplex.c (_cpp_lex_token): Don't warn about directives in
9052 macro arguments when looking for the '('.
9053 * cppmacro.c (funlike_invocation_p): Set parsing_args to
9054 2 when really parsing arguments; 1 when looking for '('.
9055 Always restore the lexer position.
9057 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9059 * longlong.h (umul_ppmm): Don't use a multiline string.
9061 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
9063 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
9064 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
9065 t_bool in declaration because pcc can't combine volatile with typedef
9068 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
9070 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
9071 until when it is really needed.
9072 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
9073 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
9074 * i386.md (float?i?f splitter): Don't force source operand to memory
9076 (sse_movdfcc): Fix constraint.
9077 (sse_movdfcc splitter): Handle properly the second alternative.
9079 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9081 * cpplex.c (parse_string): Unconditionally pedwarn.
9083 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9086 * cppexp.c (parse_number): Update.
9087 * cpplex.c (parse_string): Pedwarn if multiline string does not
9088 result from a system header's macro.
9089 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
9090 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
9091 for function-like macros too.
9092 * c-lex.c (lex_number): Update.
9094 2001-03-03 Richard Henderson <rth@redhat.com>
9096 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
9098 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
9100 * combine.c (try_combine): If split with mode-changed scratch
9101 register didn't work, try the original mode.
9103 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
9105 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
9106 * config/c4x/c4x.h: Likewise.
9107 * stor-layout.c (compute_record_mode): Likewise.
9108 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
9110 2001-03-02 Zack Weinberg <zackw@stanford.edu>
9112 * configure.in: Kill tm.h. Include the files in the $tm_file
9113 list in all three of config.h, hconfig.h, tconfig.h, after the
9114 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
9115 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
9116 * configure: Regenerate.
9117 * Makefile.in (clean): Don't delete tm.h.
9119 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
9120 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
9121 those are not defined, set SEC and FEC to 0 and 1.
9122 * gcc.texi: Update to match.
9124 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
9125 * config/fp-bit.c, config/m68k/aux-crt2.asm,
9126 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
9127 Include tconfig.h, not tm.h.
9129 * config/xm-lynx.h, config/xm-std32.h,
9130 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
9131 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
9132 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
9133 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9134 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9135 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9136 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
9137 config/i386/xm-i386.h, config/i860/xm-i860.h,
9138 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
9139 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
9140 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
9141 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
9142 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
9143 config/pa/xm-linux.h, config/pa/xm-pa.h,
9144 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
9145 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
9146 config/pj/xm-pj.h, config/romp/xm-romp.h,
9147 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9148 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9149 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9150 config/v850/xm-v850.h, config/vax/xm-vax.h,
9151 config/we32k/xm-we32k.h:
9153 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
9155 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
9156 config/i370/xm-oe.h: Don't include tm.h. Don't define
9158 * config/vax/xm-vms.h: Don't include tm.h.
9160 * config/xm-lynx.h, config/avr/xm-avr.h,
9161 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
9162 Delete; made empty by above changes.
9163 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
9164 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
9165 Don't include config/xm-lynx.h or tm.h.
9167 * config/xm-gnu.h: Don't include fcntl.h.
9168 * config/sparc/xm-lynx.h: Don't include sys/types.h and
9170 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
9172 2001-03-02 Richard Henderson <rth@redhat.com>
9174 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
9175 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
9177 2001-03-02 Richard Henderson <rth@redhat.com>
9179 * Makefile.in (OBJS): Add dwarf2asm.o.
9180 * dwarf2asm.c, dwarf2asm.h: New files.
9181 * dwarf2out.c (*): Use them.
9182 (size_of_uleb128, size_of_sleb128): Remove.
9183 (output_uleb128, output_sleb128): Remove.
9184 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
9185 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
9186 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
9187 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
9188 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
9189 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
9190 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
9191 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
9192 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
9193 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9194 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
9195 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
9196 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
9197 (dwarf2out_frame_debug): Remove unused variables.
9198 (output_loc_operands): Don't abort on 8 byte constants if
9199 host integers are wide enough.
9200 (output_symbolic_ref): Remove.
9201 (size_of_die): Don't assume 4 byte host integers.
9202 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
9204 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
9205 something stupid with HOST_WIDE_INT to long truncation.
9206 [CONST_DOUBLE]: Likewise.
9208 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
9209 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9210 * config/arm/unknown-elf.h: Likewise.
9211 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
9212 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
9213 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
9214 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
9215 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
9216 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
9217 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
9218 (ASM_OUTPUT_DWARF_OFFSET): Remove.
9219 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
9220 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
9221 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
9222 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
9224 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9226 * cselib.c (hash_rtx): Cast enums to unsigned int.
9228 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9230 * print-rtl.c (print_rtx): Cast enums to int for comparison.
9231 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
9233 * c-format.c (C_STD_VER): Cast to int for comparisons.
9234 (check_function_format): Cast various enums to int for &.
9235 (maybe_read_dollar_number): Likewise.
9236 (check_format_info): Likewise.
9237 (check_format_info_main): Likewise.
9238 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
9239 (safe_from_p): Likewise.
9240 * varasm.c (const_hash): Cast enum to int for %.
9241 * emit-rtl.c (init_emit_once): Use int loop variable to work around
9242 pcc enum problems with < and ++ operators.
9243 * regclass.c (init_reg_sets_1): Cast enums for comparison.
9244 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
9245 (regclass_init): Change enum class to int to iterate over reg_classes.
9246 * genrecog.c (merge_trees): Cast enums for comparison.
9247 * rtl.h (GET_CODE): Cast to enum rtx_code.
9248 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
9249 (GET_MODE): Cast to enum machine_mode.
9250 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
9251 (GET_NOTE_INSN_NAME): Cast enum to int.
9252 * tree.h (TREE_CODE): Cast to enum tree_code.
9253 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
9254 * timevar.c (timevar_print): Change loop variable id from enum to
9256 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
9257 * config/i386/i386.md: Use PUT_MODE for mode assignment.
9258 * toplev.c (compile_file): Cast enum DFI to int.
9259 (decode_d_option): Likewise.
9261 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
9263 * cppinit.c (append_include_chain): Mark "after" include file name list
9264 as a system directory.
9265 * cpp.texi: Document new behavior.
9267 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
9269 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
9271 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
9273 * cppfiles.c (struct include_file): Update.
9274 (stack_include_file): Use search_from.
9275 (cpp_included, find_include_file): Update.
9276 (cpp_execute_include): Update. ptr->name may not be
9277 null terminated. Use the new search_from member variable
9279 (_cpp_compare_file_date): Similarly.
9280 (search_from): New function, similiar to actual_directory.
9281 (actual_directory): Delete.
9282 (remap_filename): Update. loc->name may not be null terminated.
9283 (struct file_name_list): Rename search_path. Update.
9284 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
9285 search_from and dir.
9286 (struct cpp_reader): Remove actual_dirs.
9287 * cppinit.c (struct cpp_pending): Update for renamed objects.
9288 (append_include_chain, remove_dup_dir, remove_dup_dirs,
9289 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
9290 * cpplib.h (struct cpp_options): Similarly.
9292 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9294 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
9295 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
9296 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
9297 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9298 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9299 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9300 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
9301 config/i370/xm-linux.h, config/i370/xm-mvs.h,
9302 config/i370/xm-oe.h, config/i386/xm-aix.h,
9303 config/i386/xm-i386.h, config/i386/xm-osf.h,
9304 config/i860/xm-i860.h, config/i960/xm-i960.h,
9305 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
9306 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
9307 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
9308 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
9309 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
9310 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
9311 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
9312 config/pj/xm-pj.h, config/romp/xm-romp.h,
9313 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9314 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9315 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9316 config/v850/xm-v850.h, config/vax/xm-vax.h,
9317 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
9318 Do not define TRUE or FALSE.
9320 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
9321 empty by above change.
9322 * config.gcc: Remove references to these files.
9324 * configure.in: Detect stdbool.h.
9325 * configure, config.in: Regenerate.
9326 * system.h: Include stddef.h here if available.
9327 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
9328 Then set up a sensible boolean type at the very end.
9330 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
9331 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
9333 * hash.h: Delete 'boolean' typedef and related #undefs.
9335 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
9336 all uses of 'boolean' with 'bool'.
9338 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9340 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
9341 * cppexp.c (lex): Cast enums for comparison.
9342 * cppinit.c (parse_option): Cast enum for comparison.
9343 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
9344 (cpp_output_token): Likewise.
9345 (cpp_can_paste): Cast enums for comparsion and plus/minus.
9346 (cpp_avoid_paste): Cast enums for minus and comparison.
9348 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9350 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
9351 field to all array elements.
9353 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9355 * cpphash.h (struct cpp_reader): Add print_version field.
9356 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
9357 just set print_version and other flags as appropriate.
9358 (cpp_post_options): Print version here if print_version is set.
9360 * toplev.c (exit_after_options): New flag.
9361 (independent_decode_option): Don't exit here; just set
9363 (main): Exit after calling lang_hooks.post_options if
9364 exit_after_options is true.
9366 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
9367 (merge_include_chains): Adjust comment to match code.
9369 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9371 * stringpool.c (set_identifier): New function.
9372 * tree.h: Prototype it.
9374 * c-parse.in: Kill D_YES. If compiled for objc, call
9375 save_and_forget_protocol_qualifiers from init_reswords.
9376 * objc/objc-act.c (remember_protocol_qualifiers,
9377 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
9378 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
9380 (save_and_forget_protocol_qualifiers): New function.
9381 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
9383 2001-03-01 Diego Novillo <dnovillo@redhat.com>
9385 * c-semantics.c (prune_unused_decls): Return error_mark_node
9386 instead of (tree) 1 to stop traversing the tree chain.
9388 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9390 Fix a problem introduced by Kenner's Feb 18 change.
9391 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
9392 flag_cse_skip_blocks only temporarily, not for ever.
9394 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
9396 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
9397 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
9399 * pa.c (emit_move_sequence): Verify operand0 is a hard register
9400 before determining its register class.
9402 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9404 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
9405 from reg 4 if current_function_calls_setjmp.
9406 (gen_nop_type): New function.
9407 (ia64_emit_nops): New function.
9408 (ia64_reorg): Call it.
9409 (ia64_sched_reorder): Move code that rotates bundles up a bit.
9411 * reload1.c (eliminate_regs_in_insn): Restrict the special case
9412 code not to try to optimize adds with anything but a REG destination.
9414 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
9415 (INSN_PRIORITY_KNOWN): New accessor macro.
9416 * haifa-sched.c (priority): Use it instead of testing priority against
9419 2001-02-28 DJ Delorie <dj@redhat.com>
9421 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
9422 since that doesn't work the way gcc wants on a generic m68k.
9424 2001-02-28 Richard Henderson <rth@redhat.com>
9426 * caller-save.c (save_call_clobbered_regs): Fix typo in
9427 comparison last change.
9429 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
9431 * i386.c (pentium4_cost): New.
9432 (m_PENT4): New macro.
9433 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
9434 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
9435 x86_integer_DFmode_moves, x86_partial_reg_dependency,
9436 x86_memory_mismatch_stall): Add Pentium4
9437 (x86_use_q_reg, x86_use_any_reg): Kill.
9438 (override_options): Add pentium4.
9439 (incdec_operand): Return 0 for pentium4.
9440 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
9441 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
9442 (TARGET_PENTIUM4): Define.
9443 (enum processor_type): Add PROCESSOR_PENTIUM4.
9444 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
9445 * i386.md (attribute "cpu"): Add pentium4.
9446 * invoke.texi (march): Add pentium4.
9448 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
9450 * i386.md (sse_mov?fcc*): New patterns and splitters.
9451 * i386.c (ix86_expand_movcc): Work post-reload; recognize
9452 the SSE based conditional moves.
9454 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
9456 * i386.md (attribute mode): Add "TI".
9457 (movsf_1): Add pxor support; remove constant propagation splitter.
9458 (movdf_integer): Likewise.
9459 (movdf_nointeger): Likewise.
9460 (movxf constant prop splitter): Handle all modes; update for SSE.
9461 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
9462 * i386.c (standard_80387_constant_p): Rewrite.
9463 (standard_sse_constant_p): New.
9464 * i386-protos.h (standard_sse_constant_p): New.
9466 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
9468 * i386.md (sse_setccsf, sse_setccdf): New.
9469 (sse_cmp* patterns): Use '%D' instead of outputtting condition
9471 * i386.c (sse_comparison_operator): Accept the supported unordered
9472 comparses; be ready for fast_math.
9473 (print_operand): Support 'D'.
9475 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
9477 * jump.c (reversed_comparison_code): Kill.
9479 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
9481 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9484 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
9486 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9487 add missing '%' in constraints.
9489 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
9491 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9492 for HOST_BITS_PER_WIDE_INT == 32 too.
9494 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
9496 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
9498 (insert_save, insert_restore): New parameter save_mode.
9499 (init_caller_save): Update initialization of reg_save_code
9500 and reg_restore_code.
9501 (save_call_clobbered_regs): Compute save_modes and update calls to
9502 reg_save_code and reg_restore_code.
9503 (insert_restore): Unsignetize numbers; use save_modes to choose mode
9504 of spill; update use of reg_restore_code.
9505 (insert_save): Likewise.
9506 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9507 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9508 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9510 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9512 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9513 noce_try_store_flag_inc, noce_try_store_flag_mask,
9514 noce_try_cmove_arith):
9515 Use reversed_comparison_code instead of reverse_comparison and
9516 can_reverse_comparison_p.
9518 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
9520 * jump.c (reversed_comparison_code_parts): Allow reversal of
9521 unordered compares in -ffast-math mode; reverse ordered compares
9522 for FP even w/o -ffast-math.
9524 2001-02-27 Richard Henderson <rth@redhat.com>
9526 * print-rtl.c (print_rtx) [i]: Don't print field five on
9527 NOTEs other than NOTE_INSN_DELETED_LABEL.
9529 2001-02-27 Zack Weinberg <zackw@stanford.edu>
9531 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9532 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9534 2001-02-27 Diego Novillo <dnovillo@redhat.com>
9536 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9537 even if walk_subtrees is 0.
9538 * c-semantics.c (prune_unused_decls): Return a non-null value to
9539 stop traversing the tree chain.
9541 2001-02-27 DJ Delorie <dj@redhat.com>
9543 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9544 register, *then* define it as the new CFA.
9546 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
9548 * pa.c (override_options): Promote -fpic to -fPIC.
9549 (legitimize_pic_address): Simplify due to removal of
9550 small PIC as a code generation option.
9551 (secondary_reload_class): Similarly.
9552 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9553 (PRINT_OPERAND_ADDRESS): Similarly.
9554 * pa.md (various patterns): Similarly.
9555 (small pic lo_sum pattern): Remove.
9557 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
9560 * md.texi (min, max): Document
9562 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
9564 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9565 TARGET_PARTIAL_REG_DEPENDENCY.
9566 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9568 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
9570 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9572 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
9574 * mips.c (mips_make_temp_file): Fix thinko in last change.
9576 2001-02-26 Jason Eckhardt <jle@redhat.com>
9578 * combine.c (known_cond): Do not reverse the condition when
9579 SMAX/UMAX is being considered and the condition is for equality
9582 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9584 2001-02-26 Philip Blundell <philb@gnu.org>
9586 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9588 * config/arm/linux-elf.h: Remove historical relics related to
9589 above configurations.
9590 * config/arm/linux-oldld.h: Delete.
9591 * config/arm/linux-elf26.h: Delete.
9593 2001-02-26 Jason Merrill <jason@redhat.com>
9595 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9597 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9598 recognize a tentative definition. Lose obsolete code.
9600 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9601 variables unless necessary, either.
9603 2001-02-25 Richard Henderson <rth@redhat.com>
9605 * ifcvt.c (struct noce_if_info): Add test_bb.
9606 (noce_get_alt_condition): New.
9607 (noce_try_minmax, noce_try_abs): New.
9608 (noce_operand_ok): New.
9609 (noce_process_if_block): Use them.
9610 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9612 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9614 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9617 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9619 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9620 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9622 (mips_asm_file_end): Free temp_filename here.
9624 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9626 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9627 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9629 * config/i386/i386.md (movstrsi): Handle FAIL case.
9631 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9633 * cppinit.c (builtin_array): Update.
9634 (init_builtins): Flag builtins to warn if redefined or
9635 undefined. Define __GXX_WEAK as a normal macro.
9636 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9637 * cpplib.h (NODE_WARN): New flag.
9638 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9639 Handle __STDC__ as a builtin only on Solaris.
9640 (warn_of_redefinition): Renamed from check_macro_definition.
9641 Reverse sense of test. Always warn if NODE_WARN.
9642 (_cpp_create_definition): Use warn_of_redefinition. Flag
9643 any macro beginning with "__STDC_" to require a mandatory
9644 warning if redefined or undefined.
9646 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9648 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9649 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9650 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9651 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9652 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9653 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9654 Don't define any of:
9655 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9656 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9657 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9658 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9659 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9661 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9662 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9665 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9666 Delete now-empty file.
9668 * alpha/vms.h: Define NEED_ATEXIT here...
9669 * alpha/xm-vms.h: ...not here.
9671 * i386/cygwin.h: Don't define PARAMS.
9672 * mips/mips.c: Don't prototype mktemp. Don't define
9673 P_tmpdir. Use make_temp_file to create temporary files.
9674 Don't be clever and delete temporary files early.
9675 * config.gcc: Drop references to deleted files. Don't define
9677 * gcc.texi: Don't mention USE_PROTOTYPES.
9679 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9681 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9682 (ix86_set_move_mem_attrs_1): Likewise.
9683 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9684 * config/i386/i386.md (movstrsi): Call it.
9686 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9688 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9689 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9690 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9691 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9693 (i750a-*-*): Error here if hosting on i750a.
9694 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9696 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9697 Remove (empty modulo comments).
9699 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9700 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9701 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9702 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9703 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9704 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9706 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9707 Remove reference to winnt.h in comment.
9708 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9710 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9712 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9713 used to set another biv.
9715 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9717 * tree.h (BLOCK_DEAD): New macro.
9718 (struct tree_block): New flag, dead_flag.
9719 * print-tree.c (print_node, case 'b'): Print missing fields.
9720 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9721 * function.c (identify_blocks): Enable test for misplaced notes.
9722 (all_blocks): Skip BLOCK_DEAD blocks.
9723 * integrate.c (integrate_decl_tree): Likewise.
9725 * errors.c (internal_error, trim_filename): New functions.
9726 (fancy_abort): Call internal_error.
9727 * errors.h (internal_error, trim_filename): New declarations.
9729 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9731 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9733 (EXTRA_CONSTRAINT): Formatting changes.
9735 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9737 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9739 2001-02-23 Per Bothner <per@bothner.com>
9741 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9742 so they can be called from java/jvspec.c.
9743 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9745 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9747 * i386.c (ix86_frame): New structure.
9748 (ix86_compute_frame_size): Kill.
9749 (ix86_compute_frame_layout): New.
9750 (ix86_save_reg): New.
9751 (ix86_can_use_return_insn_p): Use frame layout stuff.
9752 (ix86_expand_prologue): Likewise.
9753 (ix86_expand_epilogue): Likewise.
9754 (ix86_initial_elimination_offset): Likewise.
9755 (ix86_nsaved_regs): Use ix86_save_reg.
9756 (ix86_emit_save_regs): Likewise.
9758 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9760 * flow.c (find_sub_basic_blocks): New function.
9761 (split_block): Be ready for basic block introduced by CODE_LABEL.
9762 (commit_one_edge_insertion): Call find_sub_basic_block.
9764 * flow.c (make_edges): Add edge from entry for blocks starting with
9765 label having ALTERNATE_NAME
9767 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9769 * function.c (epilogue_done): Be ready for first basic block not
9770 containing PROLOGUE_END note.
9771 (reposition_prologue_and_epilogue_notes): Avoid placing
9772 PROLOGUE_END note between BASIC_BLOCK.
9774 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9776 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9778 2001-02-21 DJ Delorie <dj@redhat.com>
9780 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9781 check for current_function_has_nonlocal_goto from 1999-11-12.
9783 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9785 * diagnostic.c (trim_filename): No longer static.
9786 * toplev.h (trim_filename): Declare.
9787 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9788 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9789 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9790 (rtvec_check_failed_bounds): Likewise.
9791 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9793 * convert.c (convert_to_integer): Don't do unsigned unless result or
9794 both inputs are unsigned.
9796 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9799 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9801 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9803 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9805 * Makefile.in (resource.o): Add params.h dependence.
9806 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9807 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9808 * resource.c: Add dependence on params.h.
9809 (current_live_regs): Fix explanatory comment.
9810 (find_basic_block): Add new parameter to permit limiting search
9812 (mark_target_live_regs): Add new argument to find_basic_block call.
9813 (incr_ticks_for_insn): Likewise.
9815 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9817 * diagnostic.c (output_to_stream): Rename to
9818 output_buffer_to_stream. Loses the stream parameter.
9819 (init_output_buffer): Set diagnosic_buffer's stream.
9820 (flush_diagnostic_buffer): Adjust.
9821 (default_print_error_function): Likewise.
9822 (finish_diagnostic): Likewise.
9823 (verbatim): Likewise.
9825 * diagnostic.h (struct output_buffer): Add `stream' field.
9826 (output_buffer_attached_stream): New macro.
9828 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9830 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9831 check if either operand is divisible by C.
9832 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9833 If type is signed, consider negative numbers as well.
9835 2001-02-22 Richard Henderson <rth@redhat.com>
9837 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9838 reach .text instead of gp-relative relocs.
9839 * config/ia64/crtend.asm (.init): Likewise.
9841 2001-02-22 Andreas Jaeger <aj@suse.de>
9843 * extend.texi (C++ Attributes): Fix typo.
9845 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9847 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9848 functions, drop current_function_args_info.words test.
9849 (ia64_compute_frame_size): Mark syscall_linkage functions as
9850 using eight input registers.
9852 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9853 Bruce Korb <bkorb@gnu.org>
9855 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9856 * fixinc/README: Document how to convert sed substitutions
9857 to format style c_fix-es.
9858 * fixinc/fixincl.x: regen
9860 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9862 * gcc.c: Add comment explaining how to add a command-line option.
9863 Add title to specs language comment.
9865 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9867 * gcc.c (cc1_options): Add "-param".
9868 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9869 (option_map): Likewise.
9870 * toplev.c (display_help): Add entry for "--param".
9871 (independent_decode_option): Fix typographical error.
9873 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9874 Bernd Schmidt <bernds@redhat.com>
9875 Jan Hubicka <jh@suse.cz>
9877 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9878 (function_arg): Likewise.
9880 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9882 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9884 2001-02-21 Kazu Hirata <kazu@hxi.com>
9886 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9890 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9892 * flow.c (init_propagate_block_info): Canon address and use single_set
9893 for killing dead memory stores.
9895 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9897 * Makefile.in (reorg.o): Add params.h dependence.
9898 * params.def: Fix typographical error in comment.
9899 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9900 * params.h: Modify introductory comment.
9901 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9902 * reorg.c: Add dependence on params.h.
9903 (redundant_insn): Add parameterized throttle for search.
9904 (fill_simple_delay_slots): Add a comment explaining a variable.
9905 Move conditional out of loop, simplifying code.
9906 (fill_eager_delay_slots): Fix typographical error in comment.
9908 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9910 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9912 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9913 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9915 2001-02-21 Jason Merrill <jason@redhat.com>
9917 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9918 (struct tree_decl): Add uninlinable bitfield.
9919 * c-decl.c (duplicate_decls): Set it.
9920 * integrate.c (function_cannot_inline_p): Check it.
9922 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9923 DW_AT_MIPS_linkage_name to abstract methods.
9924 (dwarf2out_abstract_function): Emit class context before calling
9925 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9926 (gen_subprogram_die): Remove obsolete code.
9927 (gen_member_die): Don't include clones in the member list.
9928 (gen_decl_die): Emit abstract info for clone origin.
9929 * dwarfout.c (output_type): Don't include clones in the member list.
9930 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9931 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9932 DECL_ABSTRACT on a function that already has it set.
9934 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9935 (get_subprogram_die): Pass it in.
9937 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9939 * flow.c (mark_set_1): Make not_dead unsigned long. For
9940 non-pseudos, use it as a bitmask of the hard regs that
9943 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9945 * cppfiles.c: Update comments.
9946 (_cpp_read_file): Don't check for NULL filenames any more.
9947 * cppinit.c (cpp_start_read): Don't do canonicalization of
9948 in_fname and out_fname. Use the passed file name exclusively.
9949 (_cpp_handle_options): Don't treat "-" as a command line option,
9950 but as a normal filename.
9951 (_cpp_post_options): Canonicalize in_fname and out_fname.
9952 * cppmain.c (printer_init): Don't check out_fname for NULL.
9953 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9954 (init_c_lex): Update, and use "" to represent stdin to CPP.
9957 2001-02-20 Will Cohen <wcohen@redhat.com>
9959 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9960 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9961 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9964 2001-02-20 Stan Shebs <shebs@apple.com>
9966 * config/rs6000/rs6000.c (output_cbranch): Output branches
9967 on separate lines instead of using ';' to separate.
9969 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9971 * cppinit.c (set_lang): Move builtin handling to...
9972 (init_builtins): ...here.
9973 (_cpp_create_reader): Move call to set_lang.
9975 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9977 * stmt.c (expand_return): If an attempt is made to return the
9978 error_mar_node, treat the return like a return without a value.
9980 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9982 * sibcall.c (skip_copy_to_return_value): Call
9983 identify_call_return_value here, and return orig_insn if it
9984 returns zero. Hardret and softret arguments now unnecessary.
9985 (call_ends_block_p): Don't call identify_call_return_value here.
9987 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9989 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9990 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9992 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9994 * pa.c (move_operand): Accept code to load the address of a
9995 symbol out of the DLT as a valid move operand.
9996 (print_operand, case 'A'): New to handle generating a DLT
9997 reference for a LO_SUM expression.
9998 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9999 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
10001 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
10003 * README, cpp.texi, gcc.texi, version.c: Update version number to
10005 * cpp.1, gcov.1, gcc.1: Regenerate.
10007 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
10009 * cppfiles.c (stack_include_file): Generate dependencies
10010 here, and manage include_count here too.
10011 (PRINT_THIS_DEP): Delete.
10012 (_cpp_execute_include): Do not generate dependencies here,
10013 apart from the case of a missing header. Do not manage
10015 (_cpp_read_file): Leave dependency generation to
10016 stack_include_file.
10018 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
10020 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
10021 target_cpu_default. Remove dead assignment to
10022 target_cpu_default.
10024 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
10026 * regclass.c (contains_reg_of_mode): Make global.
10027 (init_reg_sets): Remove contains_reg_of_mode; take into account
10028 CLASS_MAX_NREGS when looking for the proper mode.
10029 (dump_regclass): Dump only classes considered for the pseudo.
10030 (regclass): Use contains_reg_of_mode.
10032 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
10034 * gcc.c (do_spec_1): 'n' for printing notices.
10035 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
10037 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
10039 * reg-stack.c (next_flags_user): Use current_block->end
10040 (swap_rtx_condition): Look for next user if flags don't die;
10041 give up on CALL_INSNs; use current_block->end.
10043 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10045 * sibcall.c (call_ends_block_p): New function.
10046 (optimize_sibling_and_tail_recursive_call): Use it.
10048 2001-02-18 Kazu Hirata <kazu@hxi.com>
10050 * config/h8300/h8300.md: Update copyright.
10051 (andsi3): Do not output an extra newline character.
10053 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10055 * toplev.c (note_deferral_of_defined_inlined_function): Argument
10056 FNDECL may be unused.
10058 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
10059 follow jumps after first run.
10060 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
10061 it doesn't change any jumps.
10063 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
10065 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
10066 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
10067 (mostlyclean): Corresponding changes.
10068 * rtlanal.c (hard-reg-set.h): Include.
10069 (rtx_unstable_p): Do not treat the argument pointer specially
10070 if it is not a fixed register.
10071 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
10073 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10075 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
10076 against last real insn in basic block.
10077 Rework to avoid gotos.
10079 * Makefile.in (gcse.o): Now includes ggc.h.
10080 * gcse.c: Include ggc.h.
10081 (want_to_gcse_p): Verify expression can be in SET as valid insn.
10082 (try_replace_reg): Remove warning of uninitialize variable.
10083 (process_insert_insn): Call invalid_insn_p to validate insn.
10084 * recog.c (insn_invalid_p): Now global.
10085 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
10086 * recog.h (insn_invalid_p): New declaration.
10088 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
10090 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
10091 assignments from FP constants since 'Y' output code can't handle it.
10092 (eligible_for_sibcall_delay): Likewise.
10094 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
10095 Call fancy_abort directly, passing args.
10096 (print_rtl_and_abort): Now a macro, like fancy_abort.
10098 * final.c (output_operand_lossage): Use internal_error, not error.
10100 2001-02-18 Shane Nay <shane@agendacomputing.com>
10102 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
10103 structure shift insns.
10105 2001-02-18 Mark Mitchell <mark@codesourcery.com>
10107 * invoke.texi (-fsquangle): Remove documentation.
10108 (-fname-mangling-version): Likewise.
10110 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
10112 * optabs.c (expand_abs): Remove reference to
10113 HAVE_contitional_arithmetic.
10114 * combine.c (simplify_set): Likewise.
10116 2001-02-18 Richard Henderson <rth@redhat.com>
10118 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
10119 would be disrupted.
10121 2001-02-18 Richard Henderson <rth@redhat.com>
10123 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
10125 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
10127 * reload1.c (reload_cse_simplify_set): Fix typo.
10129 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10131 * diagnostic.c (_fatal_insn): Decrement errorcount.
10133 * invoke.texi (-I): Add note avoiding use for system header files.
10135 * rtl.h (add_clobbers): Remove duplicate declaration.
10136 * recog.h (added_clobbers_hard_reg_p): New declaration.
10137 * genemit.c (struct clobber_pat): New field has_hard_reg.
10138 (gen_insn): Record if added clobbers clobber hard reg.
10139 (gen_split): Avoid unused warning if number of operands is 0.
10140 (output_added_clobbers_hard_reg_p): New function.
10143 2001-02-18 Alan Modra <alan@linuxcare.com.au>
10145 * pa.c (hppa_expand_prologue): Simplify code storing return
10146 pointer. For large (>=8k) frames with a post_store, adjust stack
10147 pointer by 8k-64 first rather than by 64. When testing with
10148 VAL_14_BITS_P, always use the actual value rather than the value
10149 negated. Add blockage to prevent scheduling of spills before
10150 stack frame has been created.
10151 (hppa_expand_epilogue): Simplify code loading return pointer.
10152 Allow a slightly larger range for merge_sp_adjust_with_load case.
10153 When testing with VAL_14_BITS_P, always use the actual value.
10155 * pa.c (pa_adjust_insn_length): Check that block move
10156 pattern is a set before looking at operands.
10158 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10160 * fold-const.c (fold_binary_op_with_conditional_arg): New
10161 function, split out from ...
10163 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
10164 conditional arms that throw exceptions.
10166 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
10167 looking at a BLOCK.
10169 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10171 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
10172 define HAVE_DECL_* to 1 to mask potential backup declarations.
10173 * configure: Regenerated.
10175 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10177 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
10179 2001-02-17 Richard Henderson <rth@redhat.com>
10181 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
10182 when replacing a memory load with a register.
10184 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10185 Jan Hubicka <jh@suse.cz>
10187 * recog.c (validate_replace_src_1): New.
10188 (validate_replace_src_data): Likewise.
10189 (validate_replace_src): Use note_uses.
10190 * rtl.h (note_uses): Declare.
10191 * rtlanal.c (note_uses): New.
10193 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
10195 * reg-stack.c (stack_def): Make field reg unsigned.
10196 (remove_regno_note): Unsignetize parameter.
10198 2001-02-16 Jes Sorensen <jes@linuxcare.com>
10200 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
10201 shladd_operand() call.
10203 2001-02-16 Bruce Korb <bkorb@gnu.org>
10204 Rodney Brown <RodneyBrown@mynd.com>
10206 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
10207 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
10208 machine restrictions
10209 * fixinc/fixincl.x: regen
10211 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10213 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
10215 (hash_scan_insn): Clean up calls to hash_scan_set.
10216 (compute_kill_rd): REGNO now unsigned.
10217 (try_replace_reg): Rework to use simplify_replace_rtx.
10218 (cprop_jump, cprop_cc0_jump): Likewise.
10219 (cprop_insn): Call find_reg_equal_equiv_note.
10220 Reflect changes to cprop_jump and cprop_cc0_jump.
10222 * recog.c (validate_replace_src): Replace in operands of
10223 ZERO_EXTRACT in SET_DEST.
10225 * cse.c (new_label_ref): New variable.
10226 (insert): Set it instead of recorded_label_ref.
10227 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
10228 CODE_LABEL for this function, and not already in REG_LABEL note.
10230 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
10232 * resource.c (mark_referenced_resources): Fix typo in introductory
10234 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
10237 2001-02-16 Jason Merrill <jason@redhat.com>
10239 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
10241 (gen_subprogram_die): Don't abort on seeing a second definition if
10242 the previous one was abstract. Don't replace an abstract instance
10243 in the lookup table.
10245 * dwarf2out.c (dwarf2out_abstract_function): Rename from
10246 gen_abstract_function.
10247 * dwarf2out.h: Declare it.
10248 * toplev.c (note_outlining_of_inline_function): New fn.
10249 * toplev.h: Declare it.
10250 * integrate.c (output_inline_function): Call it.
10251 * c-decl.c (duplicate_decls): Call it when redefining an extern
10252 inline. Don't inline the new defn.
10254 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
10256 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10258 * .gdbinit: Rename to gdbinit.in.
10259 * gdbinit.in: New file,
10260 * configure.in: Generate .gdbinit from gdbinit.in.
10261 * configure: Regenerated.
10262 * Makefile.in (distclean): Always remove .gdbinit.
10264 2001-02-16 Jakub Jelinek <jakub@redhat.com>
10266 * objc/objc-act.c (start_class): Register implemented_classes with
10269 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
10271 * cppfiles.c (_cpp_make_system_header): Generate a file
10274 2001-02-15 Jim Meyering <meyering@lucent.com>
10276 * Makefile.in (install-common): Don't depend on installdirs here.
10277 Instead, make each of the lang.install-common targets (e.g.,
10278 c++.install-common in cp/Make-lang.in) depend on it.
10279 (install-driver): Depend on installdirs.
10281 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10283 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
10285 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
10288 2001-02-15 Mark Mitchell <mark@codesourcery.com>
10290 * invoke.texi (--param): Document.
10292 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
10294 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
10296 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
10298 * i386.md (extendsfdf2_2): Fix constraints.
10300 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
10302 * i386.md (fop_df_3 splitter): Fix operand number.
10304 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
10306 * invoke.texi (-mreg-alloc): Nuke.
10307 * i386.c (ix86_reg_alloc_order, regs_allocated,
10308 order_regs_for_local_alloc): Nuke.
10309 (override_options): Kill reg_alloc code.
10310 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
10311 (REG_ALLOC_ORDER): SSE goes before I387.
10312 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
10313 (ix86_reg_alloc_order): Likewise.
10314 * i386-protos.h (ix86_reg_alloc_order): Kill.
10316 2001-02-14 Richard Henderson <rth@redhat.com>
10318 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
10320 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
10322 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
10324 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
10326 * i386-protos.h (ix86_memory_move_cost): Move offline.
10327 * i386.c (ix86_register_move_cost): Compute properly cost of
10328 SSE, MMX and i387 instructions.
10329 (*_cost): Add costs of SSE/MMX moves.
10330 (ix86_memory_move_cost): Move offline from ....; Likewise.
10331 * i386.h (MEMORY_MOVE_COST): .... here;
10332 (struct processor costs): Add new fields to represent costs
10335 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
10337 * regclass.c (init_reg_sets_1): Reinstall the optimization of
10338 move_cost together with Matt Kraai's fix.
10340 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10342 * Makefile.in (OBJS): Add params.o.
10344 2001-02-14 Richard Henderson <rth@redhat.com>
10345 DJ Delorie <dj@redhat.com>
10347 * jump.c (jump_optimize_1): When we delete a conditional jump
10348 preceeding a non-conditional jump to effectively the same place,
10349 make sure that the combined jump skips any clobber insns between
10352 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10354 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
10356 2001-02-14 Mark Mitchell <mark@codesourcery.com>
10358 * Makefile.in (toplev.o): Depend on params.h.
10359 (intergate.o): Likewise.
10360 (params.o): New target.
10361 * flags.h (inline_max_insns): Remove.
10362 * integrate.c: Include params.h.
10363 Use MAX_INLINE_INSNS instead of inline_max_insns.
10364 * params.c: New file.
10365 * params.h: Likewise.
10366 * params.def: Likewise.
10367 * toplev.c: Include params.h.
10368 (lang_independent_params): New variable.
10369 (decode_f_option): Use the param machinery instead of setting
10371 (independent_decode_option): Handle "--param name=value".
10372 (main): Register language-independent parameters.
10374 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
10376 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
10378 2001-02-14 Richard Henderson <rth@redhat.com>
10380 * regclass.c (init_reg_sets_1): Revert last two changes.
10382 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10384 * stor-layout.c (is_pending_size, put_pending_size): New functions.
10385 (variable_size): Call put_pending_size.
10386 * tree.h (is_pending_size, put_pending_size): Add prototypes.
10387 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
10388 sizes list, put newly created SAVE_EXPR there as well.
10390 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10392 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
10393 (errata_find_address_regs): load_group has only 2 entries.
10394 (errata_emit_nops): Likewise. shladd is not problematic.
10395 Clear last_group if nop was emitted.
10396 (fixup_errata): load_group has only 2 entries.
10399 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
10401 * c-lex.c (lex_number): Only warn traditionally for U suffix
10402 outside system macros.
10403 * cppexp.c (parse_number): Similarly.
10404 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
10405 * cppmacro.c (struct cpp_macro): New member node.
10406 (parse_args): Only warn about missing rest args if not
10408 (funlike_invocation_p): Similarly for uninvoked funlike macros.
10409 (cpp_sys_objmacro_p): New.
10410 (_cpp_create_definition): Store the node with the macro defn.
10411 Remember if the macro is defined in a system header.
10413 2001-02-13 DJ Delorie <dj@redhat.com>
10415 * configure.in (check_languages): determine languages to check
10416 * Makefile.in (check-c++): alias for check-g++
10417 (check-f77): alias for check-g77
10418 (CHECK_TARGETS): depend on configured languages
10420 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
10422 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10423 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10424 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10425 (sqrtextendsfdf2): Disable for SSE2.
10427 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
10429 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10430 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10431 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10432 (sqrtextendsfdf2): Disable for SSE2.
10434 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
10436 * i386.md (movsfcc_1): Support integer cmove instruction.
10437 (movdfcc_1): Likewise; new splitter.
10439 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
10441 * i386.c (output_fp_compare): Support SSE.
10442 (prepare_fp_compare_args): SSE comparisons always support memory.
10443 * i386.h (TARGET_CMOVE): SSE imply cmove.
10444 * i386.md (cmp?f2): Enable for SSE too.
10445 (cmpfp_i*): Support SSE.
10446 (cmpfp_i_sse): New.
10447 (cmpfp_i_sse_only): New.
10448 (s*, b* fp expanters): Enable for SSE too.
10449 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
10452 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
10454 * regclass.c (init_reg_sets_1): Silence warning.
10456 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
10458 * i386.md (sqrt?f2): Change to expander.
10459 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
10461 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10463 * rtlanal.c (find_reg_equal_equiv_note): New function.
10464 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
10465 (simplify_gen_relational, simplify_replace_rtx): Likewise.
10466 * rtl.h: Add declarations for above functions.
10468 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
10470 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
10472 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
10473 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
10474 * flow.c (mark_regs_live_at_end): Likewise.
10475 (calculate_global_regs_live): Likewise.
10476 * gcse.c (compute_hash_table): Likewise.
10477 (compute_kill_rd): Likewise.
10478 * resource.c (mark_target_live_regs): Likewise.
10479 * rtl.h (INVALID_REGNUM): New macro.
10481 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
10483 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10485 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
10487 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10490 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
10492 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10494 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10495 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10496 (fop_sf_1_sse, fop_df_1_sse): New patterns
10497 (fop_*): Disable float_extend and float patterns for SSE compilation.
10498 * i386.c (output_387_binary_op): Support SSE.
10500 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
10502 * i386.md (dummy_extendsfdf2): Support SSE2
10503 (extendsfdf2): Enable if 80387 or SSE2.
10504 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10505 and no MIX_I387_SSE2
10506 (extendsfdf2_1_sse_only): New pattern.
10507 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10509 (truncdfsf2_1): Support SSE.
10510 (truncdfsf2_2): Support SSE.
10511 (truncdfsf2_2_1_sse): New pattern.
10512 (fixtruncsfsi2): Always use SSE if available.
10513 (fix_truncsfsi_sse): New pattern.
10514 (fix_truncdfsi_sse): New pattern.
10515 (floatsis?f2): Support SSE.
10516 (floatsidf2_i387): New pattern.
10517 (floatsidf2_sse): Likewise.
10519 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10521 * configure.in: Use "have_gnat" variable, not "gnat".
10522 * configure: Regenerated.
10524 * config/sparc/sparc.c (function_value): Treat all non-record
10525 aggregate types like used to treat UNION_TYPE.
10527 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
10529 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10530 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10532 (MASK_MIX_SSE_I387): New.
10533 (TARGET_SSE): SSE2 imply SSE.
10534 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10535 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10536 (enum reg_class): Add new classes.
10537 (REG_CLASS_NAMES): Likewise.
10538 (REG_CLASS_CONTENTS): Likewise.
10539 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10540 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10541 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10542 (CLASS_MAX_NREGS): Use new macros.
10543 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10544 * i386.md (pushsf, movsf): Support SSE.
10545 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10546 splitters to use ANY_FP_REGNO_P.
10547 (movdf_nointeger, movdf_integer): Likewise.
10549 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10551 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10552 (try_combine): Use it.
10554 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
10556 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10557 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10558 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10559 (REGISTER_MOVE_COST): Likewise.
10560 * i386-protos.h (ix86_secondary_memory_needed,
10561 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10562 * i386.c (ix86_secondary_memory_needed,
10563 ix86_preferred_reload_class, ix86_register_move_cost): New function.
10565 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
10567 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10568 (HARD_REGNO_MODE_OK): Move offline to ....
10569 * i386.c (ix86_hard_regno_mode_ok) ... here;
10570 refuse all incorrect modes.
10571 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10573 2001-02-13 Richard Henderson <rth@redhat.com>
10575 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10576 entire operator; replicate that and match_dup the operands.
10577 (cmp_ccx_arith_op_set): Likewise.
10578 (cmp_cc_arith_op_not_set): Likewise.
10579 (cmp_ccx_arith_op_not_set): Likewise.
10581 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10583 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10585 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10587 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10588 (TARGET_NO_BITFIELD_WORD): New macro.
10589 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10590 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10592 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10594 * cselib.c: New file, from simplify-rtx.c.
10595 * simplify-rtx.c: Remove cselib parts.
10596 * Makefile.in: Add cselib.o.
10598 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10600 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10601 (setup_incoming_varargs): Remove warning.
10603 * config/rs6000/rs6000.c (validate_condition_mode): When
10604 flag_fast_math, allow floating-point conditionals to be reversed.
10605 (rs6000_generate_compare): When flag_fast_math, don't generate
10606 cror operations for FP conditionals.
10608 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10610 (ASM_SPEC): Likewise.
10611 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10612 (CC1_SPEC): Likewise.
10613 (LINK_TARGET_SPEC): Likewise.
10614 (CPP_ENDIAN_SPEC): Likewise.
10615 * Makefile.in (check-consistency): New target.
10617 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10619 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10620 "return type defaults" warning for functions with return type
10622 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10623 function declarations by default rather than only when pedantic.
10625 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10627 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10630 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10632 * extend.texi (Deprecated): Deprecate new initializer lists.
10634 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10636 * mkdeps.c (deps_add_default_target): Robustify. Add
10637 basename component only.
10638 * cpp.texi (-M): Describe how default target is generated.
10639 * invoke.texi (-M): Likewise.
10641 2001-02-12 Kazu Hirata <kazu@hxi.com>
10643 * toplev.c (push_float_handler): Remove.
10644 (pop_float_handler): Remove.
10645 * toplev.h: Remove prototypes for the above functions.
10647 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10649 * c-common.c (constant_fits_type_p): New function.
10650 (convert_and_check): Use it.
10652 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10654 * Makefile.in (GXX_ABI_FLAG): Don't define.
10655 * configure.in (--enable-new-gxx-abi): Remove option.
10656 * config.in: Regenerated.
10657 * configure: Likewise.
10659 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10661 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10663 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10664 regular basic block, and arrange for all edges into it to switch
10667 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10669 * Makefile.in (distclean): Do not remove .gdbinit.
10671 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10673 * Makefile.in (gcc.o): Fix typos.
10674 (protize.o): Likewise.
10675 (unprotoize.o): Likewise.
10677 2001-02-11 Richard Henderson <rth@redhat.com>
10679 * tree.c (build1): Check for null operand in last change.
10681 2001-02-11 Richard Henderson <rth@redhat.com>
10683 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10684 (fold): Don't assume a constant isn't foldable.
10685 * tree.c (build): Set TREE_CONSTANT for an expression with no
10686 side-effects and constant operands.
10687 (build1): Likewise.
10689 2001-02-10 Richard Henderson <rth@redhat.com>
10691 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10693 2001-02-10 Anthony Green <green@redhat.com>
10695 * cpp.texi (Standard Predefined): Add documentation for
10698 * c-common.c (combine_strings): Improve warning message.
10700 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10702 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10704 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10706 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10708 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10711 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10713 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10716 2001-02-09 Nick Clifton <nickc@redhat.com>
10718 * config/arm/arm.md: Change output contraint on post inc
10719 load/store multiple patterns to be a read/write contraint.
10721 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10723 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10724 .o files when using the -M options.
10726 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10727 David Edelsohn <edelsohn@gnu.org>
10729 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10730 handle DImode constants. Use one TOC entry for SImode and smaller
10731 constants, aligned properly.
10733 2001-02-08 Jason Merrill <jason@redhat.com>
10735 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10736 about the SP adjustment for saving the static chain pointer.
10737 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10738 offset when setting a temporary CFA register.
10740 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10742 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10743 powerpc-*-chorusos* .
10744 * config/rs6000/chorus.h : New file.
10745 * config/i386/chorus.h : New file.
10746 * config/sparc/chorus.h : New file.
10747 * config/sparc/t-chorus-elf : New file.
10749 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10751 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10752 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10753 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10754 (__WCHAR_TYPE__): Correct macro name.
10756 2001-02-08 Richard Henderson <rth@redhat.com>
10758 * config/i386/i386.c (ix86_frame_pointer_required): New.
10759 (ix86_setup_frame_addresses): New.
10760 (struct machine_funciton): Add accesses_prev_frame.
10761 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10762 ix86_frame_pointer_required.
10763 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10764 (SETUP_FRAME_ADDRESSES): New.
10765 * config/i386/i386-protos.h: Update.
10766 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10767 from FRAME_POINTER_REQUIRED.
10768 * config/i386/svr3gas.h: Likewise.
10769 * config/i386/sysv3.h: Likewise.
10770 * config/i386/v3gas.h: Likewise.
10772 2001-02-08 Richard Henderson <rth@redhat.com>
10774 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10775 calculation of the number of integer registers required.
10776 (function_arg_record_value): Likewise.
10778 2001-02-08 Jason Merrill <jason@redhat.com>
10780 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10781 two. Print file and line with "confused" message.
10783 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10785 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10787 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10789 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10791 * final.c (cleanup_subreg_operands): The address of a MEM can
10794 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10797 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10799 * gcc.texi (Incompatibilities): Update documentation of
10800 preprocessing numbers.
10802 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10804 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10806 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10808 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10810 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10811 * gcc.c (struct compiler): Add cpp_spec field.
10812 (input_file_compiler): New variable.
10813 (do_spec_1): Allow a particular compiler to handle `%C'
10815 (main): Store the current compiler in input_file_compiler.
10816 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10818 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10820 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10821 * cppinit.c (cpp_create_reader): Initialize them.
10822 (append_include_chain): cxx_aware arg might be unused.
10823 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10824 keywords and give them their phase 7 meaning. Pedwarn about
10825 this unless '__bool_true_false_are_defined' is defined.
10827 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10829 * lcm.c (optimize_mode_switching): Emit mode_set before the
10830 JUMP_INSN of an abnormal edge.
10832 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10834 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10835 a scheduling barrier at the end.
10837 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10839 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10841 * config/sh/sh.md (reload_outsf): Removed.
10842 (movsf_ie): Introduce constraints for FPUL loads and stores.
10843 (reload_insf): Broaden the output constraint.
10845 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10847 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10848 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10850 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10852 * final.c: Revert my previous changes.
10853 * output.h: Make profile_label_no extern.
10854 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10855 for generating label.
10857 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10859 * config/i386/djgpp.h: Add comments about standard paths.
10860 (MD_EXEC_PREFIX): Undefine before defining.
10861 (MD_STARTFILE_PREFIX): New.
10863 2001-01-30 Bruce Korb <bkorb@gnu.org>
10865 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10866 (load_file): do not rely on load_file_data() to close file pointer
10867 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10868 fixinc/inclhack.def(irix_limits_const): add test_text
10870 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10872 * cppexp.c (parse_defined): Improve diagnostics for invalid
10875 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10877 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10879 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10881 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10882 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10883 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10884 (rs6000_output_symbol_ref): New function.
10885 (output_toc): Use VTABLE_NAME_P.
10887 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10889 * print-tree.c (print_node, case PARM_DECL):
10890 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10892 * stor-layout.c (reference_types_internal): New variable.
10893 (internal_reference_types): New function.
10894 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10895 * tree.h (internal_reference_types): New declaration.
10897 * cse.c (find_best_addr): Fix typo in computing cost.
10899 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10901 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10902 and this is the sum of a pointer and a constant, we know the result
10904 (num_sign_bit_copies, case PLUS): Likewise.
10905 * explow.c (convert_memory_address): Remove opposite SUBREG.
10906 * function.c (instantiate_new_reg): New function (from common code).
10907 (instantiate_virtual_regs_1): Call it.
10908 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10909 if pointers sign- or zero-extend.
10910 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10911 If pointers extend unsigned, use inside of SUBREG.
10912 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10914 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10916 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10917 subdir of gcc_gxx_include_dir.
10918 (gcc_gxx_target_include_dir): Remove.
10920 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10922 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10923 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10924 a high-level description.
10926 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10928 * final.c: Move the declaration of profile_label_no to ...
10929 * output.h: ... here.
10930 * function.c (expand_function_start): Call PROFILE_HOOK.
10931 * config/rs6000/aix.h: Define PROFILE_HOOK.
10932 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10933 * config/rs6000/rs6000.c (output_profile_hook): Define.
10934 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10935 output_profile_hook.
10936 tm.texi : Explain new macro PROFILE_HOOK.
10938 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10940 * extend.texi (Extended Asm): Do not say that semicolon is always
10941 a valid line-breaking character for GNU assemblers. Use
10942 newline-tab as the most commonly supported syntax. Use
10943 newline-tab rather than semicolon in multi-insn examples.
10945 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10947 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10949 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10950 David Edelsohn <edelsohn@gnu.org>
10952 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10953 code for AIX, even without flag_pic.
10955 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10957 * c-typeck.c (common_type): push and pop binding level around
10958 calling common_type on function parameters.
10960 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10962 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10964 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10966 * config/mips/mips.c (override_options): Fix typo in last change.
10967 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10968 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10970 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10972 * invoke.texi (-fdump-class-layout): Document.
10973 (-fdump-translation-unit): Use `=' as filename separator.
10975 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10977 * Makefile.in (s-mlib): Don't build multilibs if
10978 --disable-multilib.
10979 (DRIVER_DEFINES): Adjust accordingly.
10981 (protoize.o): Likewise.
10982 (unprotoize.o): Likewise.
10983 * configure.in: Recognize --enable-multilib.
10985 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10987 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10989 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10990 * configure.in: Remove --enable-libstdcxx_v3 support.
10991 * configure: Regenerated.
10993 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10995 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10996 Call abort instead of fatal.
10997 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10998 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10999 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
11000 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
11001 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
11002 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
11004 * diagnostic.h (set_internal_error_function): Renamed.
11005 * toplev.h (internal_error): Renamed from fatal.
11006 (pfatal_with_name): Deleted.
11007 (fatal_io_error): Now has printf-style arguments.
11008 * diagnostic.c (pfatal_with_name): Deleted.
11009 (fatal_io_error): Rework to have args in printf-style.
11010 (set_internal_error_function): Renamed from set_fatal_function.
11011 (internal_error): Renamed from fatal.
11012 (error_recursion, fancy_abort): Call internal_error instead of fatal.
11013 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
11014 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
11015 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
11016 * flow.c (verify_flow_info): Likewise.
11017 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
11018 * config/mips/mips.c (save_restore_insns): Likewise.
11020 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
11021 * flow.c (verify_flow_info): Likewise.
11022 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
11023 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
11024 (avr_normalize_condition): Likewise.
11025 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
11026 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
11027 (limit_reload_class, double_reg_to_memory): Likewise.
11028 (print_operand_address, emit_1600_code_shift): Likewise.
11029 (gen_tst_reg, gen_compare_reg): Likewise.
11030 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
11031 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
11033 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
11035 * c-parse.in (methoddef): Call fatal_error instead of fatal.
11036 * objc/objc-act.c (build_ivar_chain): Likewise.
11037 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
11039 * graph.c (clean_graph_dump_file): Likewise.
11040 * profile.c (init_branch_prob): Likewise.
11041 * objc/objc-act.c (objc_init): Likewise.
11043 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
11044 * config/avr/avr.c (avr_override_options): Likewise.
11045 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
11046 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
11047 * config/h8300/h8300.c (h8300_init_once): Likewise.
11048 * config/mips/mips.c (override_options): Likewise.
11049 * config/i386/i386.c (override_options): Likewise, rework.
11050 * config/m68k/m68k.c (override_options): Likewise.
11052 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
11054 * config/mips/mips.c (print_operand): Likewise.
11055 * hash.c (hash_allocate): Don't check for failure returns from
11056 obstack functions that can't fail.
11057 (hash_table_init_n, hash_table_init): Likewise; also now return void.
11058 * hash.h (hash_table_init_n, hash_table_init): Now return void.
11059 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
11060 (get_object_reference): Likewise.
11062 2001-02-04 Nick Clifton <nickc@redhat.com>
11064 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
11065 StrongARM1110, 10TDMI, and 1020T.
11067 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11069 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
11071 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
11073 * config/sh/sh.md (movdf load split): Pass register number to
11074 FP_OR_XD_REGISTER_P.
11076 2001-02-04 Mark Mitchell <mark@codesourcery.com>
11078 * cppinit.c (BC): New macro.
11079 (builtin_array): Add __GXX_WEAK__.
11080 * cpplib.h (builtin_type): Add BT_WEAK.
11081 * cppmacro.c (builtin_macro): Handle BT_WEAK.
11082 * defaults.h (SUPPORTS_ONE_ONLY): Define.
11083 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
11085 2001-02-03 Jakub Jelinek <jakub@redhat.com>
11087 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
11089 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11091 * cpphash.h: Rename _ALIGN POOL_ALIGN.
11092 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11094 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11096 * cpphash.h: Rename ALIGN _ALIGN.
11097 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11099 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
11101 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
11102 compilation environment.
11103 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
11104 control over location of cygwin includes and libs.
11106 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11108 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
11110 2001-02-02 lars brinkhoff <lars@nocrew.org>
11112 * md.texi (Standard Names): remove reference to spur.md.
11114 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11116 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
11117 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
11118 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
11119 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
11120 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11122 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11124 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
11125 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
11126 number before reload.
11127 (c4x_adjust_cost): Return zero before reload.
11128 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
11129 split before reload.
11131 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11133 * c4x.c (c4x_hard_regno_rename_ok): New.
11134 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
11135 * c4x.h (HARD_REGNO_RENAME_OK): Define.
11137 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11139 * diagnostic.h: Add missing "extern" in all declarations.
11141 2001-02-02 Alex Samuel <samuel@codesourcery.com>
11143 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
11144 as for gcc_gxx_include_dir.
11146 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
11148 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
11150 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11152 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
11153 label before alignment to be used as the braf base address.
11154 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
11156 (casesi_jump_2): Require at least TARGET_SH2.
11158 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
11159 truncation to 32-bit doubles on -m3e and -m4-single-only.
11161 2001-02-02 Mark Mitchell <mark@codesourcery.com>
11163 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
11164 the default when building a shared object.
11165 (init_spec): Use it.
11166 * testsuite/lib/g++.exp: Include the directory where libgcc
11167 is located to the LD_LIBRARY_PATH list.
11168 * invoke.texi (-shared-libgcc): Document the cases in which
11169 GCC defaults to using the shared libgcc.
11171 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11173 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
11174 unsigned is wide enough.
11175 (BITS_PER_SI): New.
11176 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
11177 (si_to_float): Likewise.
11178 (float_to_si, float_to_usi): Use BITS_PER_SI.
11180 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11182 * dwarf2out.c: Added explanation of abbreviations.
11183 (def_cfa_1): Added comments listing DWARF2 instructions.
11184 (cfa_temp_reg): Removed in favor of cfa_temp.
11185 (cfa_temp_value): Removed in favor of cfa_temp.
11186 (cfa_temp): New global variable.
11187 (dwarf2out_frame_debug_expr): Added extensive introductory
11188 comments explaining the function's transformations. Revised to
11189 use cfa_temp. Added some rtx checking. Generalize IOR case.
11190 (dwarf2out_frame_debug): Revised to use cfa_temp.
11191 (output_aranges): Cast as "unsigned" to avoid warning.
11192 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
11193 explain which instructions must be marked.
11195 2001-02-01 Richard Henderson <rth@redhat.com>
11197 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
11200 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
11202 * config/sh/crt1.asm (main_k): Modified so that start calls
11203 ___setup_argv_and_call_main.
11205 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
11207 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
11208 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
11209 and AVOID_LPASTE is cleared on meeting an unescaped newline.
11210 * cppmacro.c (builtin_macro): Set builtin flags here.
11211 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
11212 (replace_args): Clarify intent.
11213 (cpp_get_token): Macro expansion tokens get the saved flags.
11215 * cppmain.c (scan_buffer): Remove now-redundant print.printed
11218 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11220 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
11223 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11225 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
11226 returns Pmode pseudo, but we need ptr_mode.
11227 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
11228 Remove bogus conversions; use HOST_WIDE_INT for size.
11229 Don't use TARGET if wrong mode.
11231 * config/i386/i386.c (ix86_compute_frame_size): Allow
11232 stack_alignment_needed to be non-default even if size is zero.
11234 2001-01-31 Alan Modra <alan@linuxcare.com.au>
11236 * pa.c (hppa_init_pic_save): New function.
11237 * pa.h (hppa_init_pic_save): Declare.
11238 * pa.md (call, call_value, sibcall, sibcall_value): Use
11239 the above instead of duplicated code.
11241 * pa.c (hppa_encode_label): Correct size of alloca buffer
11242 so we don't overrun it. Correct leading `*' case.
11243 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
11244 need to handle `*@'.
11245 (FUNCTION_NAME_P): Likewise.
11247 2001-01-31 Richard Henderson <rth@redhat.com>
11249 * config.gcc (alpha-osf5): Use float-i128.h.
11251 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
11252 * config/float-i32.h: Likewise.
11253 * config/float-i64.h: Likewise.
11254 * config/float-sh.h: Likewise.
11255 * config/float-sparc.h: Likewise.
11257 2001-01-31 DJ Delorie <dj@redhat.com>
11259 * expmed.c (extract_bit_field): allow non-integral modes if we
11260 want to extract a whole register from itself.
11262 2001-01-31 Jakub Jelinek <jakub@redhat.com>
11264 * c-typeck.c (set_init_index): If first is equal to last, assume as
11265 if it was not a range at all.
11267 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11269 * config/fp-bit.c: Include tm.h.
11270 (float_to_si): Don't assume SImode is 32-bits wide.
11271 (float_to_usi): Likewise.
11273 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
11275 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
11277 (typename): Call pending_xref_error after parsing typed_typespecs.
11278 * c-decl.c (lookup_tag): Give error immediately rather than
11279 leaving it pending if the tag of the wrong type is in the same
11281 (xref_tag): Don't pedwarn for forward declarations of enum types
11283 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
11286 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11288 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
11290 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11292 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
11293 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
11295 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11297 * cpphash.h (struct cpp_reader): New saved_flags.
11298 * cppmacro.c (cpp_get_token): Use saved_flags to remember
11299 to avoid a paste after a pasted token.
11301 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11303 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
11304 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
11305 Wtype_MIN instead of LONG_MIN.
11307 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11309 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
11311 * fixinc/fixincl.x: Regenerated.
11312 * fixinc/inclhack.def (irix_limits_const): New definition to
11313 convert "const" to "__const" in limits.h.
11315 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11317 * fixinc/genfixes (AG): Fix "autogen4" thinko.
11319 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11321 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
11322 when register dies in the insn.
11324 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11326 * diagnostic.c (fatal): Fix word wrap.
11328 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
11330 * combine.c (try_combine): Fix SUBREG setting for
11331 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
11333 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11335 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
11338 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11340 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
11342 * toplev.c (decode_W_option): Update warn_larger_than
11343 unconditionally for each processed switch.
11345 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
11347 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
11349 (hppa_expand_prologue): Delete code to save pic offset table register
11350 in the function prologue.
11351 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
11352 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
11353 table register at the beginning of the function after the prologue.
11355 2001-01-29 lars brinkhoff <lars@nocrew.org>
11357 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
11359 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
11360 Jeff Law <law@redhat.com>
11362 * pa.md (return): Revise comment for trivial return.
11363 (return_internal): Non-trivial return pattern for non-PIC code.
11364 (return_internal_pic): Non-trivial return pattern for PIC code.
11365 It uses the PIC register to ensure it is restored after
11367 (epilogue): Generate appropriate return for PIC and non-PIC code.
11369 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
11371 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
11373 2001-01-29 DJ Delorie <dj@redhat.com>
11375 * combine.c (if_then_else_cond): Pass the correct mode to
11376 operand_subword() for constants.
11378 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
11380 * config/i386/cygwin.h: Add w32api to include search. Search different
11381 directories in a cross-build environment.
11383 2001-11-29 Tim Josling <tej@melbpc.org.au>
11385 * tree.h (TYPE_STUB_DECL): Add documentation.
11387 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
11389 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
11390 (sdbout_field_types): Likwise. Fix use of host_integerp.
11392 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
11394 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
11397 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
11399 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
11400 to use flag_gnu_linker.
11402 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
11404 * cpplib.c (T_BAD_DIRECTIVE): Remove.
11405 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
11407 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
11409 * tree.c, tree.h (build_parse_node): Remove; was identical to
11411 * c-lang.c (start_cdtor), objc/objc-act.c
11412 (build_module_descriptor): Use build_nt instead of
11415 2001-01-29 Jakub Jelinek <jakub@redhat.com>
11417 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
11418 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
11419 not have any upper bits set.
11421 2001-01-29 Phil Edwards <pme@sources.redhat.com>
11423 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
11425 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11427 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
11429 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
11431 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
11432 (integer_minus_one_node): Define.
11434 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
11436 * Makefile.in (bootstrap2-lean): Fix typo.
11438 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
11440 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
11441 : Don't set fe_value.
11442 * cpplib.h (AVOID_LPASTE): New flag.
11443 (struct cpp_hashnode): Remove fe_value.
11444 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
11445 * cppmacro.c (builtin_macro): Don't set flags here.
11446 (replace_args): Set AVOID_LPASTE flag on first token of an
11447 argument, and the token following it.
11448 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
11449 macro expansion, and on the token following it. Do it for
11451 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
11453 2001-01-27 Richard Henderson <rth@redhat.com>
11455 * config/alpha/t-ieee: Remove multilibbing.
11456 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
11458 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11460 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
11462 * Makefile.in: Remove all dependencies on defaults.h.
11463 * builtins.c: Don't include defaults.h.
11464 * c-common.c: Likewise.
11465 * c-decl.c: Likewise.
11466 * c-pragma.c: Likewise.
11467 * c-typeck.c: Likewise.
11468 * combine.c: Likewise.
11469 * i386.c: Likewise.
11470 * frame-ia64.c: Likewise.
11471 * cppexp.c: Likewise.
11472 * crtstuff.c: Likewise.
11473 * dbxout.c: Likewise.
11474 * dwarf2out.c: Likewise.
11475 * dwarfout.c: Likewise.
11476 * emit-rtl.c: Likewise.
11477 * except.c: Likewise.
11478 * expr.c: Likewise.
11479 * final.c: Likewise.
11480 * frame-dwarf2.c: Likewise.
11481 * libgcc2.c: Likewise.
11482 * optabs.c: Likewise.
11483 * profile.c: Likewise.
11484 * sdbout.c: Likewise.
11485 * toplev.c: Likewise.
11486 * tradcif.y: Likewise.
11487 * tree.c: Likewise.
11488 * varasm.c: Likewise.
11490 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11492 * builtins.c (expand_builtin_fputs): Use size_one_node when
11493 transforming into fwrite.
11495 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
11497 * extend.texi (Attribute Syntax): New section.
11499 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11501 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
11502 they didn't need fixing.
11504 2001-01-27 Janis Johnson <janis@us.ibm.com>
11506 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11508 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11509 to remove macro definitions that are duplicated from elfos.h.
11511 2001-01-27 Richard Henderson <rth@redhat.com>
11513 * config/i386/sco5gas.h: Move ...
11514 * config/usegas.h: ... here.
11515 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11517 2001-01-27 Jakub Jelinek <jakub@redhat.com>
11519 * c-typeck.c (struct constructor_stack): Add range_stack member.
11520 (really_start_incremental_init): Clear it.
11521 (push_init_level): Save constructor_range_stack and clear it if
11522 pushing explicit braces.
11523 (pop_init_level): abort if constructor_range_stack is non-zero at
11524 explicit closing brace. Restore saved constructor_range_stack if
11527 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11529 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11530 into register was forced into memory.
11532 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11534 * Makefile.in: Remove uses of + before $(MAKE).
11536 2001-01-26 Richard Henderson <rth@redhat.com>
11538 * stmt.c (cost_table): Remove.
11539 (COST_TABLE, cost_table_initialized): New.
11540 (estimate_case_costs): Use the later instead of the former.
11541 (balance_case_nodes): Likewise.
11543 2001-01-26 Richard Henderson <rth@redhat.com>
11545 * alias.c (objects_must_conflict_p): Read-only slots may not
11546 conflict despite having the same type.
11548 2001-01-27 Michael Hayes <mhayes@redhat.com>
11550 * loop.c (loop_giv_reduce_benefit): Copy mode size into
11552 (check_ext_dependant_givs): Initialise u_start_val and
11554 (load_mems): Make last_max_reg unsigned.
11555 (try_swap_copy_prop): Use INSN_P and initialise set.
11557 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
11559 * README.AVR : Removed.
11561 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
11563 * pa-64.h (text_section): Remove declaration.
11565 * pa.md (return_internal): Remove mode on PIC register use.
11567 2001-01-25 lars brinkhoff <lars@nocrew.org>
11569 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11570 ASM_CLOSE_PAREN): fix typos.
11572 2001-01-25 Mark Mitchell <mark@codesourcery.com>
11574 * acconfig.h: Define `const' to the empty string if neither
11575 __STDC__ nor __cplusplus is defined.
11576 * config.in: Regenerated.
11578 2001-01-25 David Edelsohn <edelsohn@gnu.org>
11580 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11581 * collect2.c (main): Delete importf. Add ".obj" file extension.
11582 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11583 (aix_std_libs): Add additional AIX libraries to skip.
11584 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11585 * config/rs6000/aix51.h: New file.
11587 2001-01-25 Michael Hayes <mhayes@redhat.com>
11589 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11590 (loop_insn_emit_before): No longer static.
11591 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11592 (loop_givs_rescan, load_mems): Likewise.
11593 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11594 (maybe_eliminate_biv_1):
11595 (move_movables): Replace emit_call_insn_before with
11596 loop_call_insn_hoist.
11597 * loop.h (loop_insn_emit_before): Add.
11598 * unroll.c (copy_loop_body): Replace emit_insn_before with
11599 loop_insn_emit_before.
11601 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11603 * diagnostic.c (fatal): Request preprocessed source.
11605 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11607 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11608 olddecl has argument types and newdecl has none, use the argument
11609 types from olddecl.
11611 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11613 * dwarf2out.c (prefix_of): New function. Determine longest common
11614 prefix of the two arguments. The units are whole path components.
11615 (output_file_names): When adding a new directory find the one entry
11616 with the longest common prefix already in the list. Artificially
11617 generate entry if there is none for this prefix.
11618 Fix test to check whether the zeroth directory entry is used.
11620 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11622 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11623 Changed all callers. Take it into account when deciding if a
11624 previously loaded value matches.
11626 2001-01-24 Richard Henderson <rth@redhat.com>
11628 * reload.c (find_reloads_subreg_address): Fail the substitution
11629 if the resulting address is insufficiently aligned.
11631 2001-01-24 DJ Delorie <dj@redhat.com>
11633 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11634 check the original operand's mode also.
11635 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11637 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11639 * c-parse.in (cast_expr): Move compound literals from here ...
11640 (primary): ... to here. Use standard terminology "compound
11641 literal" instead of "constructor expression".
11643 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11645 * gcc.1, cpp.1: Regenerate.
11647 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11649 * calls.c (emit_library_call_value_1): Memory slot for
11650 pass-by-reference argument should have the mode of the argument,
11651 not of the pointer to it.
11653 2001-01-24 Tom Tromey <tromey@redhat.com>
11655 * gcc.texi (G++ and GCC): Mention gcj manual.
11656 (Standards): Link to section of manual mentioning gcj/Java
11659 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11661 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11662 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11663 * tradcpp.c (main): Add -imacros or -include'd dependencies
11665 * cpp.texi (-M, -MM): Document -M -include behaviour.
11667 2001-01-24 Roger Collins <roger@ProProject.com>
11669 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11671 2001-01-24 Will Cohen <wcohen@redhat.com>
11673 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11674 whether registers are 32 bits or 64 bits in size.
11676 2001-01-24 Ben Elliston <bje@redhat.com>
11678 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11680 2001-01-24 Richard Henderson <rth@redhat.com>
11682 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11683 (builtin_longjmp): Use it instead of emit_indirect_jump.
11685 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11687 * bb-reorder.c (make_reorder_chain_1): Handle case where
11688 jump edge goes to the same block as the fallthru edge.
11690 2001-01-23 Jim Wilson <wilson@redhat.com>
11692 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11693 * frame.h (__ia64_personality_v1): Add prototype.
11694 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11695 prototype form. Add void * cast to first argument to personality
11697 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11698 (asctoe113): Likewise.
11699 * config/ia64/frame-ia64.c: Include eh-common.h.
11700 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11702 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11704 (itanium_split_issue): Add prototype.
11705 (gen_nop_type): Ifdef out.
11706 (find_best_packet): Initialize best_packet.
11707 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11709 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11710 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11711 (flushrs): Add explicit stop bit at end.
11712 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11715 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11717 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11719 * libgcc2.c (__terminate_func): Make variable static.
11720 (__terminate_set_func): New function to set __terminate_func.
11721 * libgcc2.h (__terminate_func_ptr): New typedef.
11722 (__terminate_set_func): New function.
11724 2001-01-23 Richard Henderson <rth@redhat.com>
11726 * flow.c (init_propagate_block_info): Don't consider unchanging
11727 memories for dead frame store elimination.
11729 2001-01-23 Richard Henderson <rth@redhat.com>
11731 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11732 * defaults.h: ... here.
11734 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11736 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11738 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11740 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11742 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11744 * rs6000.h (rs6000_return_addr): Move prototype from here...
11745 * rs6000-protos.h (rs6000_return_addr): ...to here.
11746 (rs6000_init_expanders): Delete prototype.
11748 2001-01-23 Nick Clifton <nickc@redhat.com>
11750 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11751 (Spec Files): Document %B and %j and %. and %v3 and %M and
11752 %{S*&T} spec switches.
11754 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11756 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11758 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11759 Neil Booth <neil@daikokuya.demon.co.uk>
11761 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11762 Have -Werror make pedantic warnings errors, like the
11765 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11767 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11769 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11771 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11772 * integrate.c (expand_inline_function): Initialize them.
11773 (subst_constants): If changing COMPARE so that both its arguments
11774 will be VOIDmode and the comparison mode will be lost, note
11775 compare_mode. Use the recorded compare_mode to optimize
11778 2001-01-23 Jason Merrill <jason@redhat.com>
11780 * dwarf2out.c (new_die): Use xcalloc.
11781 (output_die): Abort rather than emit a local reference to offset 0.
11783 2001-01-17 Andrew Haley <aph@redhat.com>
11785 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11786 of a saved register; return NULL instead.
11787 (copy_reg): Take a pointer to a source register rather than a
11789 (next_stack_level): Remember the address in the stack frame of all
11791 Use the saved register pointer array as the source of the CFA.
11792 (throw_helper): Rewrite. Unwind once rather than twice and keep
11793 track of saved registers as we go.
11795 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11797 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11798 * c4x.c (c4x_legitimize_reload_address): Remove.
11799 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11800 reload address for ldp(k) insn.
11802 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11804 * pa.md (return_internal): Add a USE of the PIC register to ensure
11805 it is restored after each call.
11806 (return expander): Corresponding changes.
11808 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11810 * rs6000.h (INIT_EXPANDERS): Delete.
11811 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11812 * rs6000.c (rs6000_override_options): Call *_machine_status from
11814 (rs6000_init_expanders): ...instead of here. Delete.
11815 (rs6000_mark_machine_status): New function.
11816 (rs6000_init_machine_status): Use xcalloc.
11817 (rs6000_return_addr): Generate RTX for the return address.
11818 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11819 (rs6000_stack_info): Use it.
11821 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11823 * gthr-win32.h: Include errno.h to get a declaration for
11824 EINVAL and _mingw.h if the target is mingw32.
11826 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11828 * cpp.texi: Correct typos.
11830 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11832 * explow.c (probe_stack_range): Ensure value passed to
11833 stack_check_libfunc is ptr_mode, not Pmode.
11835 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11837 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11838 case, don't use operand_subword to calculate a SUBREG that is
11841 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11843 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11845 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11846 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11847 valid. If not replace it by equivalent insns.
11849 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11851 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11852 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11853 (c4x_U_constraint, symbolic_address_operand): Likewise.
11854 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11856 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11857 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11858 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11859 anulling slot because of silicon bug.
11860 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11862 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11864 * cppexp.c (parse_charconst): Change `mask' type to agree
11867 2001-01-21 Richard Henderson <rth@redhat.com>
11869 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11870 pic_label_name in a linkonce section.
11872 2001-01-17 Philipp Thomas <pthomas@suse.de>
11874 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11876 * configure: Regenerate.
11878 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11880 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11881 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11883 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11885 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11886 If REVERSE nonzero then condition code in X must be reversed.
11887 (encode_section_info): Optimise if/else.
11888 (avr_function_value): Fix formatting.
11890 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11891 (difficult_branch): Likewise.
11892 (rvbranch): Likewise.
11893 (difficult_rvbranch): Likewise.
11895 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11897 * config/avr/libgcc.S: Fix comment.
11899 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11901 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11903 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11905 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11907 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11909 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11910 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11911 * configure, config.in: Regenerate.
11912 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11913 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11914 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11915 (doprint.o): New rule.
11917 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11919 * c-typeck.c (digest_init): Handle boolean types as scalars.
11921 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11923 * stmt.c (expand_return): Don't return anything if size is zero.
11924 Delete redundant assignment to BYTES.
11925 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11927 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11929 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11930 the same as the default library function names.
11931 * config/avr/avr.md: Document special characters after '%'.
11932 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11933 knowing which of the call-used registers are really clobbered.
11934 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11935 New. Both quotient and remainder from one libgcc.S call.
11936 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11937 clobber as few registers as possible.
11938 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11940 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11942 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11943 context of the top of the stack.
11945 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11947 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11948 (fixup_var_refs_insns): ...here.
11950 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11952 * function.c (fixup_var_refs_insns): Break up into
11953 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11954 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11955 [loop over hash table entries].
11956 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11957 fixup_var_refs_insns_with_hash, to match above changes.
11959 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11961 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11962 (libgcc.a): Likewise.
11963 (stmp-multilib): Likewise.
11964 (STAGE2_FLAGS_TO_PASS): Likewise.
11966 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11968 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11969 temporary if no_new_pseudos.
11971 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11973 * cppinternals.texi: Update.
11975 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11977 * arm.c (arm_init_builtins): Re-enable builtins.
11979 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11981 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11982 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11983 element to be null, and always expect an EXPR_LIST.
11984 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11985 * sched-deps.c (sched_analyze_1): Likewise.
11986 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11988 * regclass.c (max_set_parallel): New variable.
11989 (reg_scan): Take it into account in computation of max_parallel.
11990 (reg_scan_mark_refs, case SET): Compute it.
11992 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11994 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11995 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11997 2001-01-19 Jason Merrill <jason@redhat.com>
11999 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
12000 for the abstract instance of an inline function.
12002 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
12003 J"orn Rennecke <amylaar@redhat.com>
12005 * reload1.c (move2add_note_store): Treat all registers directly or
12006 indirectly derived from a base register as members of the same set
12008 (reload_cse_move2add): Adjust accordingly. Take mode and offset
12009 of base register into account.
12011 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
12013 * alias.c (find_base_value): Recognize TRUNCATE.
12014 (record_set): In PLUS case, invalidate if other summand is also a
12017 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12019 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
12020 entry to be EXPR_LIST.
12021 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
12022 be an EXPR_LIST (but not null, which other code doesn't allow).
12023 (note_stores): Properly handle PARALLEL in SET.
12024 Recursively call for top-level PARALLEL.
12025 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
12026 * sched-rgn.c (check_live_1, update_live_1): Likewise.
12028 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
12030 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
12032 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
12033 not pfile->skipping (== 0).
12035 2001-01-17 Nick Clifton <nickc@redhat.com>
12037 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
12040 2001-01-17 Jim Wilson <wilson@redhat.com>
12042 * invoke.texi (IA-64 options): Improve.
12044 2001-01-17 Tom Tromey <tromey@redhat.com>
12046 * invoke.texi (Optimize Options): Use `{}' to around @samp
12049 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
12051 * invoke.texi (-fno-guess-branch-probability): New option.
12053 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12055 * combine.c (try_combine): Don't set i3_subst_into_i2 for
12056 case of making new double-word constant.
12057 Revert last change: instead just test i3_subst_into_i2.
12059 2001-01-17 Jakub Jelinek <jakub@redhat.com>
12061 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
12062 Use q constraints instead of r.
12064 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
12066 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
12067 (machine_function): Define.
12068 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
12069 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
12070 pa_free_machine_status): New functions.
12071 (override_options): Set {init,mark,free}_machine_status to above.
12072 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12073 PIC_OFFSET_TABLE_REGNUM_SAVED.
12074 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12075 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
12076 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
12077 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
12078 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12080 2001-01-15 DJ Delorie <dj@redhat.com>
12082 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
12086 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12088 * flow.c (propagate_one_insn): Make trying to delete a prologue
12089 or epilogue insn an ICE, not a warning. Allow doing this if
12090 the current function returns with stack pointer depressed.
12092 * combine.c (try_combine): If i3_subst_into_i2, properly check for
12093 I3 having more than one SET.
12095 2001-01-16 Jim Wilson <wilson@redhat.com>
12097 * invoke.texi: Document IA-64 options.
12099 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
12100 (fixup_errata): Delete TARGET_A_STEP use.
12101 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
12102 (TARGET_SWITCHES): Delete -ma-step option.
12103 * config/ia64/ia64.md (all FP patterns): Delete %B0.
12104 (movqicc_astep, movqi_internal_astep, movhicc_astep,
12105 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
12106 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
12107 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
12108 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
12110 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
12111 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
12112 cmovsi_internal): Delete ! TARGET_A_STEP check.
12114 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12116 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
12117 possibility to report bugs via postal mail. Change a URL and
12118 merge in a nearly duplicate statement...
12119 (Bug Reporting): ...from here.
12120 (Service): Refer to the Bug Reporting section instead of
12121 duplicating an URL.
12122 (Contributing): Remove trivial explanations concerning snapshots.
12124 2001-01-16 Alan Modra <alan@linuxcare.com.au>
12126 * cppmain.c (general_init): Don't use ANSI prototype.
12128 2001-01-16 Tom Tromey <tromey@redhat.com>
12130 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
12132 2001-01-16 Richard Henderson <rth@redhat.com>
12134 * config/i386/i386.h: Fix comment typo.
12135 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
12136 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
12138 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12140 * gcc.c: Revert previous -fsyntax-only-related change; move
12143 2001-01-16 Jakub Jelinek <jakub@redhat.com>
12145 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
12146 inmode after checking GET_CODE (op).
12148 2001-01-16 Richard Henderson <rth@redhat.com>
12150 * flow.c (struct propagate_block_info): Add mem_set_list_len.
12151 (MAX_MEM_SET_LIST_LEN): New.
12152 (propagate_one_insn): Update mem_set_list_len.
12153 (invalidate_mems_from_autoinc): Likewise.
12154 (invalidate_mems_from_set): Likewise.
12155 (mark_used_regs): Likewise.
12156 (init_propagate_block_info): Likewise. Stop collecting memories
12157 when we reach MAX_MEM_SET_LIST_LEN.
12158 (mark_set_1): Likewise.
12160 2001-01-16 Richard Henderson <rth@redhat.com>
12162 * unroll.c (precondition_loop_p): Fail if no iteration
12165 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12167 * gcc.c: When -fsyntax-only is given, do not complain about
12170 2001-01-15 Richard Henderson <rth@redhat.com>
12172 * config/i386/i386.c (asm_output_function_prefix): Remove.
12173 (ix86_asm_file_end): New.
12174 (load_pic_register): Generate pic_label_name into a
12175 staticly allocated buffer.
12176 * config/i386/i386-protos.h: Update.
12177 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
12178 (ASM_FILE_END): New.
12179 * config/i386/i386afe.h: New file.
12180 * config.gcc (i?86-*-elf) [tm_file]: Use it.
12181 (i?86-*-{freebsd,linux*,moss*}): Likewise.
12182 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
12183 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
12184 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
12185 * config/i386/sco5.h (ASM_FILE_END): Likewise.
12186 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
12188 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
12190 * Makefile.in (install-man): Remove explicit dependency on
12193 * configure.in, configure: Revert previous patch requiring perl
12196 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
12198 * toplev.c (flag_guess_branch_prob): New.
12199 (f_options): Add guess-branch-probability option.
12200 (rest_of_decl_compilation): Only estimate branch probability if
12202 (main): set flag_guess_branch_prob.
12204 * flags.h (flag_guess_branch_prob): New.
12206 2001-01-15 DJ Delorie <dj@redhat.com>
12208 * gcc.texi (Makefile): Add documentation for Makefile targets.
12210 2001-01-15 Philip Blundell <philb@gnu.org>
12212 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
12214 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
12215 (is_pic): Delete declaration.
12216 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
12217 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
12218 * config/arm/arm.md (builtin_setjmp_receiver): New.
12220 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12222 * arm.c (use_return_insn): Don't try to determine the function type
12223 until after reload has completed.
12224 (arm_output_epilogue): Don't adjust the sp value recovered from the
12226 (emit_multi_reg_push): Don't record dwarf information for the pc.
12227 * arm.md (eh_epilogue): The function type may have changed, so it
12228 needs to be recalculated.
12229 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
12230 unwind tables on arm/netbsd.
12232 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12234 * arm.md (cbranchsi4): Correct calculation of branch ranges.
12235 (negated_cbranchsi4): Likewise.
12237 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12239 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
12240 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12241 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
12242 pass -mapcs-* options to assembler.
12243 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
12244 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12245 (ASM_SPEC): Call subtarget_extra_asm_spec.
12247 2001-01-15 Andreas Jaeger <aj@suse.de>
12249 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
12251 (ix86_expand_builtin): Likewise.
12253 * gencodes.c (output_predicate_decls): Make i size_t to avoid
12254 warning about comparison between signed and unsigned.
12256 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12258 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
12260 2001-01-14 Ralf Baechle <ralf@gnu.org>
12262 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
12263 SUBTARGET_CPP_SPEC apropriatly.
12265 2001-01-12 Mark Mitchell <mark@codesourcery.com>
12267 * varasm.c (make_decl_rtl): Fix typo in last change.
12269 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
12271 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
12272 linker supports the init_priority C++ attribute.
12273 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
12274 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
12275 linker does not support init_priority C++ attribute.
12277 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
12279 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
12281 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12283 * c-parse.in (finish_parse): Add comment about cpp_destroy.
12284 * cp/lex.c (finish_parse): Similarly.
12285 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
12286 Return the number of errors encountered.
12287 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
12288 * cppmain.c (main): Don't call cpp_destroy.
12290 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
12292 * configure.in: Require at least perl 5.6.0 to regenerate
12294 * configure: Regenerate.
12296 2001-01-14 Richard Henderson <rth@redhat.com>
12298 * genrecog.c (DT_veclen_ge): New.
12299 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
12300 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
12301 (nodes_identical_1): Handle DT_veclen_ge.
12302 (write_cond, debug_decision_2): Likewise.
12304 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12306 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
12308 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
12310 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12312 * cppmain.c (do_preprocessing): New function; most of the old
12314 (main): Call it to do most of the work.
12315 (cb): Move from global scope to set_callbacks ().
12316 (setup_callbacks): Get the callback pointer.
12317 (general_init, printer_init): Clean up code and comments.
12319 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12321 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
12324 2001-01-14 Kazu Hirata <kazu@hxi.com>
12326 * config/h8300/h8300.c (get_shift_alg): Update comments.
12328 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12330 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
12331 (alloc_page, ggc_alloc): Add casts to remove warnings.
12333 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12335 * combine.c (simplify_comparison): Don't change `code' when
12336 can't reverse comparison.
12338 2001-01-14 Richard Henderson <rth@redhat.com>
12340 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
12341 update all call sites. Return true for all non-label constants.
12343 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
12345 * i386.c (ix86_expand_compare): Add bypass_test and second_test
12347 (ix86_expand_branch): Update.
12348 (ix86_expand_setcc): Update to handle multiple test conditions.
12349 (expand_int_movcc): Likewise.
12350 (expand_fp_movcc): Likewise.
12351 * i386-protos.h (ix86_expand_compare): New.
12352 * i386.md (andqi_?_slp, orqi_?_slp): New.
12353 (conditional trap expander): Update call to ix86_expand_compare.
12355 2001-01-14 Richard Henderson <rth@redhat.com>
12357 * config/vax/vax.md: Use nonimmediate_operand instead of
12358 general_operand in destinations.
12360 * config/vax/vax.md (indirect_jump): Use register_operand.
12362 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
12363 * config/vax/vax.md (call_pop): Turn into an expander.
12364 (call_value_pop): Likewise.
12365 (call, call_value): New.
12367 2001-01-14 Andreas Jaeger <aj@suse.de>
12369 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
12371 (ix86_fp_compare_mode): Add unused attribute.
12372 (ix86_expand_fp_movcc): Remove unused variable.
12373 (ix86_expand_builtin): Make fcode unsigned.
12375 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
12376 (expand_expr): Add cast to avoid signed warning.
12377 (store_field): Likewise.
12378 (store_constructor_field): Likewise.
12379 (store_constructor): Likewise.
12380 (store_expr): Likewise.
12381 (clear_storage): Likewise.
12382 (emit_group_store): Likewise.
12383 (emit_group_load): Likewise.
12385 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12387 * c-common.c: Move format checking code to ...
12388 * c-format.c: ... here. New file. Reorder some functions and
12390 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
12392 * c-common.h (decl_handle_format_attribute,
12393 decl_handle_format_arg_attribute): Declare.
12394 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
12395 (c-common.o): Adjust dependencies.
12396 (c-format.o): New list of dependencies.
12398 2001-01-13 Jakub Jelinek <jakub@redhat.com>
12400 * unroll.c (loop_iterations): If we cannot prove iteration variable
12401 is set once in each iteration, punt.
12403 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
12405 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
12406 (*strlenhi): Remove clobber (which was buggy) of output address.
12408 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12410 * Makefile.in (generated-manpages): Add gcc.1
12411 ($(srcdir)/gcc.1): New target.
12412 (maintainer-clean): Delete $(srcdir)/gcc.1.
12413 * gcc.texi: Add macros @gccoptlist and @gol.
12414 * invoke.texi: Include option summary in manpage. Mark up option
12415 summary with @gccoptlist and @gol. Use @r in one place where
12417 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
12418 * gcc.1: Generate from invoke.texi.
12420 2001-01-13 Richard Henderson <rth@redhat.com>
12422 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
12423 (struct page_entry): Add group member.
12424 (struct page_group): New.
12425 (struct globals): Add page_groups member.
12426 (alloc_anon): Only define for using mmap; remove valloc call.
12427 (page_group_index): New.
12428 (set_page_group_in_use): New.
12429 (clear_page_group_in_use): New.
12430 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
12431 (free_page, release_pages): Likewise.
12432 * configure.in (with-gc): Default to ggc-page always.
12434 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12436 * reload1.c (replace_pseudos_in_call_usage): Use
12437 reg_equiv_constant and reg_equiv_address, and don't try
12438 regno_reg_rtx first.
12440 2001-01-13 Richard Henderson <rth@redhat.com>
12442 * ggc-page.c (alloc_page): Round up allocation size to one page.
12443 Set e->order on extra pages.
12445 2001-01-13 Richard Henderson <rth@redhat.com>
12447 * genrecog.c (nodes_identical): Expand commentary.
12448 (write_switch): Watch out for identical nodes.
12450 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12452 * cppfiles.c (_cpp_fake_include): New function.
12453 * cpphash.h (_cpp_fake_include): New.
12454 * cpplib.c (do_line): Call _cpp_fake_include when entering
12455 header files in preprocessed input.
12456 * cppmain.c (cb_pragma_implementation): Remove handling.
12457 (setup_callbacks): Don't register pragmas.
12459 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12461 * extend.texi: Udate for CPP.
12463 2001-01-13 Andreas Jaeger <aj@suse.de>
12465 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
12467 * regmove.c: Add prototype for replace_in_call_usage.
12469 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12471 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
12472 struct cpp_chunk, struct htab, struct toklist,
12473 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
12474 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
12475 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
12476 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
12477 (struct macro_args): Delete.
12478 * cpphash.h: See above.
12480 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12482 * cppmain.c (struct printer): Remove no_line_dirs.
12483 (options, cb): New.
12484 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12485 : Use options rather than CPP_OPTION.
12486 (setup_callbacks): Use cb rather than pfile->cb.
12487 (main): No need to check for a buffer. Use cpp_errors.
12488 (printer_init): Don't set no_line_dirs.
12489 (maybe_print_line): Use options not no_line_dirs.
12490 (cb_file_change): Don't call print_line if -P.
12492 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12494 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12496 * c-parse.in (finish_parse): Use cpp_errors.
12497 (__yylex): Use return value of cpp_pop_buffer.
12498 * cp/lex.c (finish_parse): Use cpp_errors.
12499 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12501 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
12503 * README.AVR: URLs corrected.
12505 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12507 * c-decl.c (start_function): Don't warn if old prototype is builtin
12508 that's not in C's namespace.
12509 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12510 (_bb): Add prototype for ctime.
12511 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12513 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
12515 * i386.c (ix86_fp_comparison_arithmetics_cost,
12516 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12517 ix86_fp_comparison_cost): New functions.
12518 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12519 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12520 two-branch sequences; make static.
12521 (ix86_use_fcomi_compare): Do decision according to the costs.
12522 (split_fp_branch): New.
12523 * i386.md (compare-and-branch patterns): Use split_fp_branch.
12524 * i386-protos.h (ix86_expand_fp_compare): Remove
12525 (ix86_split_fp_branch): Declare.
12527 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12528 and ix86_comparison_operator.
12530 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12531 to make it cheaper.
12533 * i386.c (put_condition_code): Output properly the unordered/ordered
12534 compares in fp case.
12535 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12537 * tm.texi (REVERSE_CONDITION): Document.
12538 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12539 in -ffast-math mode.
12540 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12542 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12544 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12546 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12549 * config/sh/sh.c (mova_p): Fix test for mova_const.
12551 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12553 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12554 cpp_get_options rather than dereferencing pfile and using
12556 * scan-decls.c (scan_decls): Use return value of
12557 cpp_pop_buffer rather than CPP_BUFFER.
12559 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12561 * cppinit.c (cpp_handle_option): help_only is now part of the
12562 cpp_options structure.
12563 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12564 cpp_set_callbacks): New functions.
12565 * cpplib.h (cpp_callbacks): Break out as a named structure.
12566 (cpp_options): Move help_only here from cpp_reader.
12567 (CPP_FATAL_ERRORS): Update to use cpp_errors.
12568 (cpp_errors, cpp_get_options, cpp_get_callbacks,
12569 cpp_set_callbacks): New prototypes.
12570 * cppmain.c (main): Update for help_only.
12572 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12574 * Makefile.in (info, maintainer-clean, install-info, uninstall):
12575 Also build and remove and install and uninstall c-tree.info and
12577 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12578 ($(srcdir)/cppinternals.info): New target.
12579 * c-tree.texi: Change file name used when makeinfo used without -o
12580 from ir.info to c-tree.info. Add info directory entry.
12581 * cppinternals.texi: Add info directory entry.
12582 * .cvsignore: Update.
12584 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12586 * c-typeck.c (store_init_value): Don't require constant initializer
12587 elements with -pedantic -std=c99.
12588 (digest_init): Change error about non-constant initializer elements
12590 (constructor_range_end): Remove.
12591 (constructor_incremental, designator_depth,
12592 designator_errorneous): New variables.
12593 (struct constructor_stack): Remove range_end, add incremental.
12594 (struct constructor_range_stack, constructor_range_stack): New.
12595 (struct initializer_stack): Add constructor_range_stack.
12596 (finish_init): Set it.
12597 (start_init): Likewise. require_constant_elements for non-static
12598 trees only if not flag_isoc99.
12599 (really_start_incremental_init): Remove constructor_range_end, add
12600 constructor_incremental.
12601 (pop_init_level): Likewise.
12602 (push_init_level): Likewise. If implicit and the subobject had some
12603 value set already, preinitialize the level with it.
12604 Warn about missing braces only if not pushing due to designators.
12605 (set_designator, push_range_stack): New functions.
12606 (set_init_label): Use them.
12607 (set_init_index): Likewise. Remove constructor_range_end.
12608 Error if designator index is outside of array bounds.
12609 (add_pending_init): Compare values of purpose index trees, not the
12610 trees themselves. Allow overwriting of already initialized element.
12611 Issue a warning if it had side-effects.
12612 (set_nonincremental_init, set_nonincremental_init_from_string): New
12614 (pending_init_member): Rename to...
12615 (find_init_member): ...this function. Call set_nonincremental_init
12616 if necessary. Compare values of purpose index trees, not the trees
12617 themselves. Return the actual value, not just non-zero if something
12619 (output_init_element): Remove checks for duplicates.
12620 If field has zero size, only check the initializer for correctness.
12621 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12622 if constructor_incremental is zero. Change error about initializers
12623 not computable at load time into pedwarn.
12624 (output_pending_init_elements): Compare bit positions, not
12625 FIELD_DECLs to take into account zero-sized fields.
12626 (process_init_element): Use constructor_range_stack to fill all
12627 ranges in the designator lists from current level up.
12628 * extend.texi: Update documentation for labeled elements.
12630 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12632 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12633 to function usage for arguments passed by reference. Optimize
12634 callee-copied arguments.
12635 * regmove.c (replace_in_call_usage): New function.
12636 (fixup_match_1): Call it.
12637 * cse.c (cse_insn): Canonicalize registers in function usage.
12638 * reload1.c (replace_pseudos_in_call_usage): New function.
12641 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12644 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12646 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12649 2001-01-12 DJ Delorie <dj@redhat.com>
12651 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12652 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12655 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12657 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12658 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12659 -std options alongside references to -ansi. Update some
12660 documentation for C99.
12661 * cpp.1: Regenerate.
12663 2001-01-12 Andreas Jaeger <aj@suse.de>
12665 * haifa-sched.c (restore_line_notes): Remove argument block B
12667 * sched-ebb.c (schedule_ebb): Change caller.
12668 * sched-rgn.c (schedule_region): Likewise.
12669 * sched-int.h (restore_line_notes): Adjust prototype.
12671 * loop.h: Remove wrong declaration of doloop_condition_get.
12673 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12675 * extend.texi: Move C++-extension-related node from the C section
12676 into the C++ section.
12678 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12680 * extend.texi: Refer to an array of pointers to functions instead
12681 of one of functions.
12683 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12684 Jan Hubicka <jh@suse.cz>
12686 * combine.c (reversed_comparison): Fix typo in last patch.
12688 (combine_reversed_comparison_code): Make static to follow
12689 prototype declaration.
12691 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12693 * install.texi: Remove misplaced duplicate entry.
12695 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12697 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12699 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12701 * final.c: (leaf_function_p): Fix typo.
12703 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12705 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12706 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12708 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12709 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12710 mmap_anon, and valloc is available.
12711 * ggc-page.c: Restructure ifdef logic to match new autoconf
12712 spec. Don't throw away the test page in init_ggc.
12714 * configure, config.in: Regenerate.
12716 2001-01-12 Michael Hayes <mhayes@redhat.com>
12718 * loop.h (total_biv_increment): Constify iv_class pointer.
12719 (struct induction): Replace `mem_mode' with `mem' rtx.
12720 * unroll.c (total_biv_increment): Constify iv_class pointer.
12721 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12722 (find_mem_givs, combine_givs_p): Likewise.
12723 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12725 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12727 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12729 (__gthread_getspecific): Ditto.
12731 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12733 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12734 put_condition_code): Convert fp comparison codes to integer
12736 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12739 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12740 * i386-protos.h (no_comparison_operator): Kill.
12742 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12744 * combine.c (REVERSIBLE_CC_MODE): Remove.
12745 (reversible_comparison_p): Remove.
12746 (combine_reversed_comparison_code): New.
12747 (reversed_comparison): New.
12748 (combine_simplify_rtx): Use
12749 combine_reversed_comparison_code/reversed_comparison instead
12750 of reversible_comparison_p.
12751 (simplify_if_then_else): Likewise.
12752 (simplify_set): Likewise.
12753 (simplify_logical): Likewise.
12754 (if_then_else_cond): Likewise.
12755 (known_cond): Likewise.
12756 (simplify_comparison): Likewise.
12758 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12760 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12761 sizeof (int) is larger than sizeof(__word__).
12763 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12765 * cppinit.c (do_includes): Fix typo.
12767 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12769 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12770 in S_REGS does not occur because not all sources are possible
12771 when a S_REGS is a destination (sometimes needs a clobber).
12772 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12773 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12774 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12775 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12776 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12777 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12778 (lshrdi_const1, lshrsi3_const16): Likewise.
12779 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12780 (*movhi_68hc12, *movqi_68hc12): Likewise.
12781 (movstrictqi): Make sure reloading in D_REGS as a destination
12784 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12786 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12788 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12790 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12791 -D, -U and -A, and don't initialize the builtins.
12792 (do_includes): Error if -include or -imacros with -fpreprocessed.
12793 * cppmain.c (cb_define, cb_undef): Unconditionally process
12795 * tradcpp.c (main): Fix typo.
12797 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12799 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12800 (read_name_map): Use IS_ABSOLUTE_PATH.
12801 * tradcpp.c (get_filename): Likewise.
12803 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12805 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12806 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12807 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12808 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12809 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12810 (cmphi_z_used): Don't use '@' for the output.
12811 (tstqi_z_used): Likewise.
12812 (cmpqi_z_used): Likewise.
12813 (one_cmplsi2): Likewise.
12815 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12817 * config/sh/sh.c (barrier_align): Recognize branch around far
12818 branch and redundant insn.
12820 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12822 * invoke.texi: Restore documentation of the drivers' switches -MD
12825 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12827 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12829 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12830 check-objc//%): Support parallel testing of multilibs.
12831 (TESTSUITEDIR): Set to testsuite by default, but override for
12833 (check-gcc, check-g++, check-g77, check-objc): Enter
12836 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12838 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12839 * sched-deps.c (deps_may_trap_p): Likewise.
12840 * basic-block.h: Remove a comment.
12841 * flow.c (PROP_POSTRELOAD): Remove.
12842 (update_life_info): Don't add it to prop_flags.
12843 (mark_set_1): Lose the code that was enabled by it.
12845 2001-01-11 Michael Hayes <mhayes@redhat.com>
12847 * flow.c (flow_call_edges_add): New.
12848 * basic_block.h (flow_call_edges_add): New.
12850 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12852 * reload1.c (move2add_note_store): Update reg_set_luid even if
12853 base reg remains the same.
12855 2001-01-10 Nick Clifton <nickc@redhat.com>
12857 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12858 machine_function structure to zero.
12859 Add prototypes for machine_status functions.
12861 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12863 * c-common.h (CTI_VOID_LIST): Remove.
12864 (void_list_node): Likewise.
12865 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12866 (void_list_node): New macro.
12867 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12868 * config/i386/i386.c (ix86_init_builtins): Likewise.
12869 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12871 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12873 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12874 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12876 * tradcpp.c: Include mkdeps.h.
12877 (deps, print_deps_phony_targets, deps_append, output_deps,
12878 init_dependency_output, output_deps): New.
12879 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12880 deps_output): Delete.
12881 (print_deps_missing_files): Rename deps_missing_files.
12882 (inhibit_output): Make global.
12883 (main): Delete inhibit_output, deps_stream, deps_target.
12884 Use mkdeps functionality in the same way as cpplib. Remove
12885 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12886 -M and -MM. Remove old handling of deps via deps_out, and
12887 old reading of environment variables.
12888 (get_filename): Update to use deps_add_dep.
12890 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12892 * output.h (make_function_rtl): Remove prototype.
12893 (make_decl_rtl): Likewise.
12894 * varasm.c (make_function_rtl): Remove.
12895 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12896 than from a third parameter.
12897 * tree.h (make_decl_rtl): Remove last parameter.
12898 * c-decl.c (builtin_function): Remove last argument in call to
12899 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12900 (start_function): Likewise.
12901 * except.c (call_get_eh_context): Likewise.
12902 * expr.c (emit_block_move): Likewise.
12903 (clear_storage): Likewise.
12904 * profile.c (output_func_start_profiler): Likewise.
12905 * toplev.c (rest_of_decl_compilation): Likewise.
12906 * objc/objc-act.c (create_builtin_decl): Likewise.
12907 (synth_module_prologue): Likewise.
12908 (generate_static_reference): Likewise.
12909 (build_selector_reference_decl): Likewise.
12910 (build_class_reference_decl): Likewise.
12911 (build_objc_string_decl): Likewise.
12912 (build_protocol_reference): Likewise.
12914 2001-01-10 Richard Henderson <rth@redhat.com>
12916 * hwint.h: Revert yesterday's change.
12918 2001-01-10 Nick Clifton <nickc@redhat.com>
12920 * function.h (save_machine_status): Delete.
12921 (restore_machine_status): Delete.
12922 Amend comment describing {init|mark|free}_machine_status.
12924 * function.c (save_machine_status): Delete.
12925 (restore_machine_status): Delete.
12926 Amend comment describing {init|mark|free}_machine_status.
12927 (push_function_context_to): Remove invocation of
12928 save_machine_status.
12929 (pop_function_context_from): Remove invocation of
12930 restore_machine_status.
12932 * emit-rtl.c (init_emit_once): Amend comment describing
12933 {init|mark|free}_machine_status.
12935 * tm.texi (Per-Function Data): New node. Describe the
12936 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12939 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12941 * cppinit.c (OPT_g): Remove.
12942 (cpp_handle_option): Update for removed -g3.
12943 (print_help): Update.
12944 * cpplib.h (struct cpp_options): Remove debug_output.
12945 * cppmain.c (setup_callbacks, cb_define): Update.
12946 * gcc.c (cpp_options): Translate -g3 to -dD.
12948 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12950 * config/i960/i960.md: Change modifier to + on the zero_extract
12951 pattern after the (rotate -2 reg) canonicalization pattern.
12953 2001-01-10 Richard Henderson <rth@redhat.com>
12955 * config/alpha/alpha.c (alpha_free_machine_status): New.
12956 (override_options): Install it.
12957 (alpha_mark_machine_status): Verify machine non-null.
12958 * config/i386/i386.c (ix86_free_machine_status): New.
12959 (override_options): Install it.
12960 (ix86_init_machine_status): Use xcalloc.
12961 (ix86_mark_machine_status): Verify machine non-null.
12962 * config/ia64/ia64.c (ia64_free_machine_status): New.
12963 (ia64_override_options): Install it.
12964 (ia64_mark_machine_status): Verify machine non-null.
12966 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12968 * function.c (instantiate_virtual_regs): Instantiate virtual
12969 registers found in CALL_INSN_FUNCTION_USAGE.
12971 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12973 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12974 equivalent to -ansi in disabling -Di386.
12976 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12978 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12980 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12982 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12984 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12986 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12988 * invoke.texi: Document that -fcond-mismatch isn't supported for
12991 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12993 * gcc.texi: Define macro gcctabopt.
12994 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12995 @command, @env and @option in some places where appropriate. Use
12996 @gcctabopt where appropriate. Put URLs and email addresses inside
12999 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
13001 * gcc.c (cpp_options): Set MD file name from output
13002 filename, if specified.
13003 (suffix_subst): New static variable.
13004 (do_spec): Clear it.
13005 (do_spec_1, case '.'): Handle new `%.suffix' spec.
13007 (give_switch): Handle suffix_subst.
13009 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13011 * invoke.texi: Fix another typo.
13013 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13015 * invoke.texi: Fix typo.
13017 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
13019 * c-lang.c (lang_hooks): Update.
13020 (lang_decode_option): Remove.
13021 (lang_init_options): Rename c_init_options.
13022 * toplev.c (main): Use lang_hooks for lang_init_options
13023 and lang_decode_option.
13024 * toplev.h (lang_hooks): Add 2 new hooks.
13025 * tree.h: Remove lang_init_options and lang_decode_option.
13026 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
13027 * cp/decl2.c: Similarly.
13028 * cp/lex.c (lang_init_options): Rename cxx_init_options.
13029 (lang_hooks): Update.
13030 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
13032 (lang_init_options): Rename ffe_init_options.
13033 (lang_hooks): Update.
13034 (lang_decode_option): Remove.
13035 * java/lang.c (lang_init_options): Rename java_init_options.
13036 (lang_decode_option): Rename java_decode_option.
13037 (lang_hooks): Update.
13038 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
13039 (lang_decode_option): Rename objc_decode_option.
13040 (lang_hooks): Update.
13042 2001-01-09 Nick Clifton <nickc@redhat.com>
13044 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
13045 (d30v_return_addr_rtx): Delete.
13046 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
13047 cfun->machine structure.
13048 (struct machine_function): Move to d30v.h
13049 (d30v_save_machine_status): Delete.
13050 (d30v_restore_machine_status): Delete.
13051 (d30v_init_machine_status): New Function.
13052 (d30v_mark_machine_status): New Function.
13053 (d30v_free_machine_status): New Function.
13054 (d30v_init_expanders): Use new functions.
13055 (d30v_return_addr): Use ra_rtx field in cfun->machine.
13056 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
13057 d30v_return_addr_rtx.
13059 * config/d30v/d30v.h (struct_machine): Move here.
13060 Add eh_epilogue_sp_ofs field.
13062 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
13063 field in cfun->machine structure.
13065 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
13067 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
13068 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
13069 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
13071 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
13073 * objc/lang-options.h: Remove bogus reference to
13076 2001-01-09 Kazu Hirata <kazu@hxi.com>
13078 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
13081 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
13083 * reload.c (find_reloads_address): Check for eliminable registers
13084 when substituting a constant expression for a pseudo.
13086 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
13088 * c-common.c (enum format_type): Add format_type_error.
13089 (decode_format_type): New function.
13090 (decl_attributes): Use it.
13091 (format_kind_info): Adjust comment.
13093 2001-01-09 David O'Brien <obrien@BSDi.com>
13095 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
13096 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
13098 * config/i386/gnu.h: Don't include required platform specific .h files,
13099 tm.h will do it instead.
13100 * config/i386/i386elf.h: Likewise.
13101 * config/i386/linux.h: Likewise.
13102 * config/i386/moss.h: Likewise.
13103 * config/mips/gnu.h: Likewise.
13105 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13107 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
13108 (rs6000-ibm-aix3.[01]*): Likewise.
13109 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
13110 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
13111 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
13112 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
13113 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
13114 (powerpc-*-eabiaix*): Likewise.
13115 (powerpc-*-eabisim*): Likewise.
13116 (powerpc-*-elf*): Likewise.
13117 (powerpc-*-eabi*): Likewise.
13118 (powerpc-*-rtems*): Likewise.
13119 (powerpc-*-linux*libc1): Likewise.
13120 (powerpc-*-linux*): Likewise.
13121 (powerpc-wrs-vxworks*): Likewise.
13122 (powerpcle-wrs-vxworks*): Likewise.
13123 (powerpcle-*-sysv*): Likewise.
13124 (powerpcle-*-elf*): Likewise.
13125 (powerpcle-*-eabisim*): Likewise.
13126 (powerpcle-*-eabi*): Likewise.
13127 (powerpcle-*-solaris2*): Likewise.
13128 * config/rs6000/aix31.h: Delete includes.
13129 * config/rs6000/aix3newas.h: Likewise.
13130 * config/rs6000/aix41.h: Likewise.
13131 * config/rs6000/aix43.h: Likewise.
13132 * config/rs6000/beos.h: Likewise.
13133 * config/rs6000/rtems.h: Likewise.
13134 * config/rs6000/sysv4.h: Likewise.
13136 2001-01-09 Kazu Hirata <kazu@hxi.com>
13138 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
13139 Change an argument mode of machine_mode to shift_mode of
13140 shift_mode. Remove an extra error check.
13141 (emit_a_shift): Adopt to the new calling prototype of
13143 (function_prologue): Fix code for a monitor
13144 function. Support H8/S.
13145 (function_epilogue): Do not output pop for a monitor function.
13147 2001-01-09 Nick Clifton <nickc@redhat.com>
13149 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
13150 (setup_incoming_varargs): Use sysv_varargs_p field of the
13151 cfun->machine structure.
13152 (struct machine_function): Move to rs6000.h
13153 (rs6000_save_machine_status): Delete.
13154 (rs6000_restore_machine_status): Delete.
13155 (rs6000_init_machine_status): New Function.
13156 (rs6000_free_machine_status): New Function.
13157 (rs6000_init_expanders): Use new functions.
13159 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
13161 (struct machine_function): Move here.
13163 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
13164 sysv_varargs_p field of the cfun->machine structure.
13166 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
13168 (rs6000_restore_machine_status): Remove prototype.
13170 2001-01-09 Richard Henderson <rth@redhat.com>
13172 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
13173 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
13174 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
13175 (sched_analyze_2, sched_analyze_insn): Likewise.
13176 (sched_analyze, init_deps): Likewise.
13177 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
13178 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
13179 (compute_block_backward_dependences): Update propagate_deps call.
13181 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
13183 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
13185 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13187 * cppinit.c (OPT_MD, OPT_MMD): Restore.
13188 (cpp_handle_option): Handle them.
13189 (cpp_post_options): Ensure one of -M or -MM is specified with
13190 any other -M? option.
13191 (init_dependency_output): Suppress output with -MG.
13193 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13195 * cpp.texi: Update.
13196 * invoke.texi: Update.
13198 2001-01-09 Bernd Schmidt <bernds@redhat.com>
13200 * sh.md (reload_outsf): Generate recognizable patterns for
13203 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13205 * c-lang.c (lang_hooks): Update.
13206 (lang_init): Rename c_init.
13207 (lang_finish): Remove.
13208 * toplev.c (compile_file): Use lang_hooks for lang_init ()
13209 and lang_finish ().
13210 * toplev.h (lang_hooks): Add init () and finish ().
13211 * tree.h (lang_init, lang_finish): Remove.
13212 * cp/tree.h (lang_init, lang_finish): Remove.
13213 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
13214 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
13216 (lang_init, lang_finish): Remove.
13217 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
13218 (lang_hooks): Update.
13219 * java/lang.c (lang_init): Rename java_init.
13220 (lang_finish): Remove.
13221 (lang_hooks): Update.
13222 * objc/objc-act.c (lang_init): Rename objc_init.
13223 (lang_finish): Remove.
13224 (lang_hoooks): Update.
13226 20001-01-09 Graham Stott <grahams@redhat.com>
13228 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
13229 after `ptr` is initialised.
13231 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13233 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
13234 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
13235 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
13236 stack adjusts, instead of r3.
13238 2001-01-09 Michael Hayes <mhayes@redhat.com>
13240 * flow.c (flow_loop_scan): Break out of ...
13241 (flow_loops_find) ... here.
13242 * basic-block.h (flow_loop_scan): New.
13243 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
13244 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
13246 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13248 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
13250 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
13251 realloc()ing macro_buffer.
13253 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
13254 if it's wider than long and the target's long is wider than the
13257 2001-01-09 Mark Mitchell <mark@codesourcery.com>
13259 Remove support for using UWIN as a host machine.
13260 * configure.in: Issue an error message.
13261 * configure: Regenerated.
13262 * config.gcc: Remove xm_* UWIN configury.
13263 * config/i386/xm-uwin.h: Remove.
13265 2001-01-08 Nick Clifton <nickc@redhat.com>
13267 * config/v850/v850.c (ra_rtx): Delete.
13268 (v850_save_machine_status): Delete.
13269 (v850_restore_machine_status): Delete.
13270 (v850_init_machine_status): New function.
13271 (v850_mark_machine_status): New function.
13272 (v850_free_machine_status): New function.
13273 (v850_return_addr): Use ra_rtx field in machine structure.
13274 (v850_init_expanders): Use new functions.
13276 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
13277 * config/v850/v850.c: Change arguments to v850_output+* functions
13278 to take a const char *, to avoid compile time warning.
13279 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
13280 (USER_LABEL_PREFIX): Redefine.
13282 2000-01-08 Jim Wilson <wilson@redhat.com>
13284 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
13285 1 to unsigned HOST_WIDE_INT before left shift.
13287 2001-01-08 Nick Clifton <nickc@redhat.com>
13289 * config/arm/arm.c (arm_mark_machine_status): Check to see if
13290 the machine structure has been allocated.
13291 (arm_free_machine_status): New function: Free the machine
13292 specific function structure.
13294 2001-01-08 Richard Henderson <rth@redhat.com>
13296 * jump.c (simplejump_p): Revert last change.
13298 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
13300 * cppinit.c (init): Rename init_library.
13301 (cpp_create_reader): Update.
13302 * gcc.c (cpp_options): If -o given, use it as the target of
13305 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13307 * arm.c (arm_arch5e): New variable.
13308 (all_cores): XScale is a 5TE device.
13309 (arm_override_options): Set arm_arch5e.
13310 (arm_init_builtins): __builtin_prefetch is in arch5e.
13311 * arm.h (arm_arch5e): Declare it.
13313 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
13315 * arm.md (define_constants): Add defines for UNSPEC and
13316 UNSPEC_VOLATILE insns. Update all users.
13317 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
13318 * arm.c (multi_register_push, note_invalid_constants)
13319 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
13320 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
13321 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
13323 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
13325 * jump.c (jump_optimize_1): Use reversed_comparison_code
13326 instead of can_reverse_comparison_p.
13327 (jump_back_p): Likewise.
13328 (invert_exp_1): Likewise.
13329 (thread_jumps): Likewise.
13330 * simplify-rtx.c (simplify_unary_operation): Likewise.
13331 (simplify_ternary_operation): Likewise.
13332 * cse.c (find_comparison_args): Convert to use
13333 can_reverse_comparison_p.
13334 (record_jump_equiv): Likewise.
13336 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13338 * arm.h (HARD_REGNO_RENAME_OK): Delete.
13339 (EPILOGUE_USES): Define.
13340 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
13341 automatically stack the LR if it isn't live.
13343 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
13345 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
13348 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
13350 * ggc-page.c (max_alignment): New structure.
13351 (MAX_ALIGNMENT): New macro.
13352 (init_ggc): Use it to round up the sizes in the
13353 extra_order_size_table.
13355 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13357 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
13360 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13362 * builtins.def (BUILT_IN_FPRINTF): New entry.
13364 * c-common.c (c_expand_builtin_fprintf): New function.
13365 (init_function_format_info): Handle __builtin_fprintf.
13366 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
13367 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
13369 * c-decl.c (duplicate_decls): Adjust comment.
13371 * extend.texi (fprintf): Document new builtin.
13373 2001-01-07 Richard Henderson <rth@redhat.com>
13375 * jump.c (simplejump_p): Recognize any single_set jump
13376 of the proper form.
13378 2001-01-07 Richard Henderson <rth@redhat.com>
13380 * configure.in (slibdir): Accept an --with-slibdir option.
13381 Use "test" not "[" in configure. Default to $(libdir).
13383 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
13385 * config/t-aix43 (SHLIB_INSTALL): Likewise.
13386 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
13387 (SHLIB_LINK): Create links for the soname.
13388 * config/mips/t-iris6: Likewise.
13389 * config/sparc/t-slibgcc: Likewise.
13390 * config/sparc/t-slibgcc-sld: Likewise.
13392 2001-01-07 Jakub Jelinek <jakub@redhat.com>
13394 * config/i386/i386.c (constant_call_address_operand): Accept
13395 (const (plus (symbol_ref) (const_int))).
13396 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
13397 constant_call_address_operand.
13399 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13401 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
13402 and LONG_LONG_TYPE_SIZE > 32.
13404 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13406 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
13407 the previous change.
13409 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
13411 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
13413 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
13414 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
13415 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
13418 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13420 * fix-header.c (read_scan_file): s/pfile/scan_in/.
13422 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13424 * c-lang.c (c_post_options): Call cpp_post_options.
13425 * objc/objc-act.c (objc_post_options): Similarly.
13426 * cppmain.c (main): Similarly.
13427 * fix-header.c (read_scan_file): Similarly.
13428 * cppinit.c (cpp_start_read): Move option consistency checks
13429 to cpp_post_options. Don't call init_dependency_output.
13430 If needed, add default target and main file dependency.
13431 (OPT_MD, OPT_MMD): Remove.
13433 (cpp_handle_option): Update for OPT_* changes.
13434 (cpp_post_options): New.
13435 (init_dependency_output): Command line -MF overrides environment
13436 variables. Don't set default target etc. Suppress output
13437 if dependencies are going to stdout.
13438 (print_help): Update.
13439 * cpplib.h (cpp_post_options): New.
13440 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
13442 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
13444 * jump.c (comparison_dominates_p): Support unordered compares.
13446 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
13448 * simplify-rtx.c (simplify_relational_operation): Always simplify
13449 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
13452 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
13454 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
13455 (nonzero_bits): Likewise.
13456 (simplify_comparison): Likewise.
13457 (num_sign_bit_copies): Likewise; return more sane value depending
13458 on STORE_FLAG_VALUE.
13459 (known_cond): Do not assume EQ to be always true for equivalent
13462 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
13464 * cse.c (fold_rtx): Handle unordered comparisons.
13466 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
13468 * rtlanal.c (set_of_1): New static function.
13469 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
13470 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
13471 reg_set_last_last_regno): Remove.
13472 (set_of): New global function.
13473 (set_of_data): New structure.
13474 (reg_set_p, reg_set_last): Revamp for set_of.
13475 * rtl.h (set_of): New.
13477 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
13479 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
13480 * extend.texi: Document _Exit builtin.
13482 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13484 * (initialize, initialize_builtins,
13485 initialize_dependency_output, initialize_standard_includes):
13486 Rename s/initialize/init. Update.
13487 (init_dependency_output): Move to after
13488 cpp_handle_options, the correct location temporally at least.
13489 (opt_comp): Move next to init (), its caller. Fix prototype.
13490 (init): Make "initialized" local scope.
13491 (cpp_create_reader): Always call init ().
13492 (cpp_start_read): Update.
13493 (output_deps): New function, broken out of cpp_finish.
13494 (cpp_finish): Break out output_deps.
13496 2001-01-07 Richard Henderson <rth@redhat.com>
13498 * collect2.c (COFF specific stuff): Revert 12-06 patch
13499 to prototype system functions.
13501 2001-01-07 Michael Hayes <mhayes@redhat.com>
13503 * hard-reg-set.h: Add multiple include guard.
13504 * basic-block.h (struct loop): Add `sink' field.
13505 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13506 (emit_iv_add_mult): Delete.
13507 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13508 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13509 (unroll_loop): Remove end_insert_before argument.
13510 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13511 (maybe_eliminate_biv_1): Likewise.
13512 (emit_iv_add_mult): Delete.
13513 (gen_add_mult, loop_regs_update): New.
13514 (loop_insn_emit_after, loop_insn_emit_before): New.
13515 (loop_insn_sink, loop_insn_sink_or_swim): New.
13516 (emit_iv_add_mult): Delete.
13517 (scan_loop): Set loop->sink.
13518 (loop_givs_reduce): Use loop_insn_sink and its ilk.
13519 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13520 (maybe_eliminate_biv_1): Likewise.
13521 (maybe_eliminate_biv_1): Add basic block argument.
13522 * unroll.c (unroll_loop): Remove end_insert_before argument.
13523 (find_splittable_regs): Likewise.
13524 (find_splittable_regs): Use loop_insn_sink and its ilk.
13525 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13527 2001-01-07 Michael Hayes <mhayes@redhat.com>
13529 * loop.h (loop_insn_hoist): New prototype.
13530 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13531 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13532 (check_dbra_loop, load_mems): Likewise.
13533 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13534 (find_splittable_givs): Likewise.
13536 2001-01-07 Michael Hayes <mhayes@redhat.com>
13538 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13540 2001-01-07 Richard Henderson <rth@redhat.com>
13542 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13544 2001-01-07 Richard Henderson <rth@redhat.com>
13546 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13547 NO_SHARED_LIBGCC_MULTILIB as required for the target.
13548 * gcc.c (init_spec): Massage the existing libgcc_spec into a
13549 variant that handles a shared libgcc.
13550 (process_command): Always validate -{static,shared}-libgcc.
13551 (do_spec_1): New 'M' case.
13552 * invoke.text (Link Options): Document -{static,shared}-libgcc.
13554 2001-01-07 Richard Henderson <rth@redhat.com>
13556 * Makefile.in (slibdir): New variable.
13557 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13558 (installdirs): Create slibdir.
13559 (install-libgcc, install-multilib): Defer to libgcc.mk.
13560 * configure.in (slibdir): Substitute.
13561 * mklibgcc.in (install): New target.
13563 * config/t-linux (SHLIB_LINK): Create links for the soname.
13564 (SHLIB_INSTALL): New.
13565 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13566 * config/mips/t-iris6 (SHLIB_INSTALL): New.
13567 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13568 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13569 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13571 2001-01-07 Richard Henderson <rth@redhat.com>
13573 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13574 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13575 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13577 2001-01-07 Michael Hayes <mhayes@redhat.com>
13579 * loop.c (count_loop_regs_set): Delete.
13580 (load_mems_and_recount_loop_regs_set): Delete.
13581 (loop_regs_scan): Merge common code from count_loop_regs_set,
13582 scan_loop, and load_mems_and_recount_loop_regs_set.
13583 (scan_loop): Call load_mems directly and loop_regs_scan
13584 again if new registers created.
13586 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13588 * toplev.c (main): Call the front-end specific post_options
13589 hook if one is given.
13590 * toplev.h (struct_lang_hooks, lang_hooks): New.
13591 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13592 for the C front end.
13593 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13594 lang_hooks for the C++ front end.
13595 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13596 lang_hooks for the ObjC front end.
13597 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13598 * java/lang.c (lang_hooks): Hooks for the Java front end.
13600 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13602 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13603 for verbose DWARF[2] debugging.
13604 (cb_define, cb_undef): The new callbacks.
13605 * toplev.h (debug_define, debug_undef): Make const correct.
13606 * toplev.c (debug_define, debug_undef): Similarly. Do not
13607 perform the verbosity tests here anymore.
13609 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13611 * reload.c (subst_reloads): Take INSN argument. When
13612 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13613 * reload.h (subst_reloads): Adjust prototype.
13614 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13615 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13616 present in JUMP_INSNs and copy them to JUMP_LABEL.
13617 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13618 JUMP_INSNs and insns with REG_LABELs that are followed by
13619 JUMP_INSNs with the same REG_LABEL.
13620 * sched-rgn.c (is_cfg_nonregular): Likewise.
13621 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13623 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13625 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13627 2001-01-06 Richard Henderson <rth@redhat.com>
13629 * loop.c (scan_loop): Use xcalloc for the regs array.
13630 (load_mems_and_recount_loop_regs_set): Zero the new memory
13631 received from xrealloc.
13633 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13635 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13637 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13639 * integrate.c (copy_rtx_and_substitute): When copying
13640 an ignored return value, strip REG_FUNCTION_VALUE_P.
13642 2001-01-06 Michael Hayes <mhayes@redhat.com>
13644 * loop.c (debug_biv, debug_giv): New.
13645 (loop_biv_dump): Break out from ...
13646 (record_biv): ... here.
13647 (loop_giv_dump): Break out from ...
13648 (record_giv): ... here.
13649 (loop_bivs_check): Use print_simple_rtl.
13650 * unroll.c (loop_iterations): Use print_simple_rtl.
13652 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13654 * pa.md (return, return_internal): Modify patterns to prevent regrename
13655 mucking with the return pointer.
13657 2001-01-05 Richard Henderson <rth@redhat.com>
13659 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13661 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13663 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13664 version supplied by Matteo Frigo.
13666 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13668 * cpp.texi: Update for -MQ.
13669 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13670 (cpp_cleanup): Always free pfile->deps.
13671 (initialize_dependency_output): Don't create pfile->deps.
13672 (cpp_handle_option): Similarly.
13674 * gcc.c (cpp_options): Handle -MQ.
13675 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13676 * mkdeps.c (base_name): Remove.
13677 (deps_init): Don't allocate vector space until it's needed.
13678 (deps_free): Only free vectors if allocated.
13679 (deps_add_target, deps_add_dep): Update for initial allocation.
13680 (deps_add_default_target): Don't strip to the base_name.
13682 2001-01-05 DJ Delorie <dj@redhat.com>
13684 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13685 (INIT_EXPANDERS): Define.
13687 * config/v850/v850.c (struct machine_function): Define.
13688 (v850_save_machine_status): New function.
13689 (v850_restore_machine_status): New function.
13690 (v850_return_addr): New function.
13691 (v850_init_expanders): New function.
13693 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13694 and v850_init_expanders.
13696 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13698 * cpplib.h (struct cpp_reader): Add help_only field.
13699 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13700 (cpp_handle_option): Set pfile->help_only if we see -h,
13701 --help, -target-help, or --version. Print version string but
13702 do not set help_only if we see -v or -version. Make text
13703 printed by -v match that printed by (-)-version.
13705 * cppmain.c (main): Exit after option parsing if
13706 pfile->help_only is true.
13708 * toplev.c (independent_decode_option): Call print_version,
13709 then exit, if we see --version (but not -version).
13710 (print_version): Split lengthy message into two lines.
13712 2001-01-05 Nick Clifton <nickc@redhat.com>
13714 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13715 temporary string for initialisation before calling ggc_alloc_string.
13717 2001-01-06 Michael Hayes <mhayes@redhat.com>
13719 * rtl.h (print_simple_rtl): New.
13720 * print-rtl.c (print_simple_rtl): New.
13721 (flag_simple): New.
13722 (print_rtx): Disable printing of flags and modes, etc.,
13723 if `flag_simple` nonzero.
13725 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13727 * function.c (fixup_var_refs): Use push_to_full_sequence where
13730 2001-01-05 Michael Meissner <meissner@redhat.com>
13732 * flags.h (flag_reorder_blocks): Add declaration.
13733 (flag_rename_block): Ditto.
13735 2001-01-05 DJ Delorie <dj@redhat.com>
13737 * function.c (reorder_blocks): Make sure the flags are all reset
13738 before using them to mark blocks, else a second invocation will
13739 corrupt the block chain.
13740 (reorder_blocks_0): New, resets the flags.
13742 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13744 * cse.c (find_comparison_args): Stop if the argument is known to
13747 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13749 * config/sh/sh.md (movdf): When splitting load into pair of
13750 registers, don't clobber the register used in the address too
13753 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13755 * varasm.c (mark_constant_pool): Improve initial comments.
13756 (mark_constants): Move marking of constants to mark_constant.
13757 (mark_constant): New function to recursively mark all constants
13758 referred to by a constant.
13760 2001-01-05 Catherine Moore <clm@redhat.com>
13762 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13764 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13766 * cp/lang-options.h: Bring comment in line with reality.
13767 * f/lang-options.h: Likewise.
13768 * java/lang-options.h: Likewise.
13769 * objc/lang-options.h: Likewise.
13770 * ch/lang-options.h: Likewise.
13771 * f/g77.texi: And update the manual.
13773 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13774 Denis Chertykov <denisc@overta.ru>
13776 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13777 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13778 * config/avr/avr.md (all peepholes that request a scratch register):
13779 Call it, FAIL the peephole if not safe (in interrupt functions).
13781 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13783 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13785 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13787 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13789 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13790 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13791 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13792 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13793 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13795 * extend.texi: Document these builtins.
13797 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13799 * c-common.c (lang_get_alias_set): Say we know nothing of
13800 VECTOR_TYPE aliasing.
13802 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13804 2001-01-05 Bruce Korb <bkorb@gnu.org>
13806 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13807 their x* equivalent versions for atexit-less systems
13808 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13809 systems (or any other system any more).
13811 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13813 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13814 output operands. Use arm_hard_register_operand for operand 4.
13815 (stmsi_postinc): Similarly.
13816 (ldmsi): Use arm_hard_register_operand for opernand 2.
13817 (stmsi): Similarly.
13818 * arm.c (arm_hard_register_operand): New function.
13819 * arm-protos.h (arm_hard_register_operand): Prototype it.
13821 * arm.h (HARD_REGNO_RENAME_OK): Define.
13823 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13825 * simplify-rtx.c (cfc_args): add "unordered" field.
13826 (check_fold_consts): Set unordered field.
13827 (simplify_relational_operation): Simplify the unordered
13830 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13833 * emit-rtl.c (try_split): Fix code to mark labels.
13834 * jump.c (mark_jump_label): Make global.
13835 * rtl.h (mark_jump_label): Declare.
13837 * predict.c (estimate_probability): Handle unordred comparisons.
13839 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13841 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13842 * cppinit.c (initialize_dependency_output): Update.
13843 (cpp_finish): Output dummy targets for -MP.
13845 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13846 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13847 * gcc.c (cpp_options): Update to handle -MP.
13848 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13849 to quote only the default target.
13850 (deps_phony_targets): Insert a preceding newline. Rename from
13851 deps_dummy_targets for consistency.
13854 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13856 * calls.c (emit_library_call_value_1): Support
13857 INIT_CUMULATIVE_LIBCALL_ARGS.
13858 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13860 2001-01-04 Richard Henderson <rth@redhat.com>
13862 * c-decl.c (finish_struct): Detect flexible array members
13863 used in an inappropriate context.
13864 * c-typeck.c (really_start_incremental_init): Special case
13865 constructor_max_index for zero length arrays.
13866 (pop_init_level): Allow initialization of flexible array
13867 members. Deprecate initialization of zero length arrays.
13868 Don't issue missing initializer warning for flexible array
13869 members or zero length arrays.
13870 (process_init_element): Don't dereference null DECL_SIZE.
13871 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13872 Don't abort for empty constructors. Use size_binop
13873 (output_constructor): Add commentary regarding zero length
13874 array futures. Abort if we try to initialize an array of
13875 unspecified length with a non-empty constructor in the middle
13878 * extend.texi (Zero Length): Update and clarify documentation
13879 on static initialization.
13881 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13883 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13884 with more than 32767 words of local storage.
13886 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13888 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13889 for 'abs', 'labs', and 'fabs'.
13890 (c4x_expand_builtin): Likewise.
13891 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13893 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13895 * config/sh/sh.md (prget, prset): New insn types.
13896 (return delay slot): Dont' allow prset.
13897 (call, sfunc delay slot): Don't allow prget.
13898 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13899 for prset and prget.
13901 2001-01-05 Michael Hayes <mhayes@redhat.com>
13903 * loop.h (struct loop_reg): New.
13904 (struct loop_regs): Change to use array of `struct loop_reg'.
13905 * loop.c: Replace assortment of varrays with single regs array.
13906 (count_one_set): Delete may_not_move array argument
13907 and use regs array instead. All caller's changed.
13908 (count_loop_regs_set): Delete may_not_move and single_usage
13909 arguments and use regs array instead. All caller's changed.
13910 (find_single_use_in_loop): Replace usage array argument with pointer
13911 to regs structure. All caller's changed.
13912 (loop_optimize): Delete `moved_once' array.
13914 2001-01-05 Michael Hayes <mhayes@redhat.com>
13916 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13917 Use it instead of loop_info->has_call for scanning loop mems.
13918 (check_dbra_loop): Replace loop_info->has_call test with
13919 loop_info->has_nonconst_call.
13921 2000-01-04 Matthew Hiller <hiller@redhat.com>
13923 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13926 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13928 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13929 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13931 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13933 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13934 (flag_short_double, flag_short_wchar): Define.
13935 (c_common_nodes_and_builtins): Create many tree nodes shared
13936 between C and C++ here instead of in cp/decl.c and ...
13937 * c-decl.c (init_decl_processing): ... here.
13938 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13939 (flag_short_double, flag_short_wchar): Don't define.
13940 (record_builtin_type): New function.
13941 (build_void_list_node): New function.
13942 * c-common.h (flag_short_double, flag_short_wchar,
13943 record_builtin_type, build_void_list_node): Declare.
13945 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13947 * integrate.c (expand_inline_function): Don't put a virtual
13948 register into the reg map.
13950 * function.c (fixup_var_refs_1): If force_operand didn't put
13951 the address into the target, move it there.
13953 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13955 Special-case tree_decl/tree_list allocations.
13956 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13957 (OBJECT_SIZE): New macro.
13958 (NUM_EXTRA_ORDER): Likewise.
13959 (extra_order_size_table): New variable.
13960 (NUM_ORDERS): New macro.
13961 (objects_per_page_table): New variable.
13962 (object_size_table): New variable.
13963 (G.pages): Use NUM_ORDERS to bound the array.
13964 (G.page_tails): Likewise.
13965 (DIV_ROUND_UP): Remove.
13966 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13967 (alloc_page): Use OBJECT_SIZE.
13968 (size_lookup): Don't make it const.
13969 (ggc_alloc): Use OBJECT_SIZE.
13970 (ggc_set_mark): Likewise.
13971 (ggc_get_size): Likewise.
13972 (init_ggc): Set up the object_size_table, objects_per_page_table,
13973 and adjust size_lookup.
13974 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13975 (ggc_pop_context): Use NUM_ORDERS.
13976 (clear_marks): Likewise.
13977 (sweep_pages): Likewise.
13978 (poison_pages): Likewise.
13979 (ggc_print_statistics): Use OBJECT_SIZE.
13981 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13983 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13984 Only call array_size_for_constructor if last field and array type
13985 with no upper bound.
13987 2001-01-04 Philip Blundell <philb@gnu.org>
13989 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13990 from bit 31 downwards, if this requires no more insns.
13991 (count_insns_for_constant): New helper function for above.
13993 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13995 * gencodes.c (output_predicate_decls): Remove empty initializer.
13997 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13999 * tree.c (copy_node): Remove documentation about obstacks.
14000 (buidl1): Check that nobody tries to build 2-argument nodes this
14003 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14005 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
14008 * gencodes.c (output_predicate_decls): Fill empty initializer
14011 2001-01-04 Jakub Jelinek <jakub@redhat.com>
14013 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
14014 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
14016 (do_include): Handle missing headers like cpp0.
14017 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
14018 paths with first include pathname. Don't strcat to uninitialized
14021 2001-01-04 Bernd Schmidt <bernds@redhat.com>
14023 * regrename.c (regrename_optimize): Don't rename from frame pointer
14024 if frame_pointer_needed.
14025 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
14026 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
14027 (ia64_reorg): Use it instead of scheduling if ! optimize.
14028 (errata_emit_nops): Properly call asm_noperands.
14029 (ia64_sched_reorder): Finish cycle if we see an asm.
14030 (ia64_variable_issue): Clear scheduling state after asms.
14032 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
14034 * cpp.texi: Update for -MT.
14035 * cppinit.c (initialize_dependency_output): Add a default
14036 target if none has been given already.
14037 (no_tgt, OPT_MT): New.
14038 (cpp_handle_option): Handle -MT. Update -M etc.
14039 * cpplib.h (struct cpp_options): Remove deps_target.
14040 * gcc.c (cpp_options): Handle -MT.
14041 * mkdeps.c (struct deps): Move from mkdeps.h.
14042 (deps_calc_target): Rename deps_add_default_target. Add a
14043 default target if none has been specified already.
14044 * mkdeps.h (struct deps): Move to mkdeps.c.
14045 (deps_calc_target): Rename deps_add_default_target.
14047 2000-01-03 Richard Henderson <rth@redhat.com>
14049 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
14051 * c-typeck.c (push_init_level): Move checks for flexible array
14052 members and zero length arrays ...
14053 (pop_init_level): ... here. Silently discard empty initializations.
14055 * varasm.c (output_constructor): Update for sizeof change to
14056 zero-length arrays.
14058 * extend.texi (Zero Length): Clarify semantics.
14060 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14062 * configure.in (tm.h): Include isns-codes.h last.
14063 * configure: Rebuilt.
14065 2001-01-03 Richard Henderson <rth@redhat.com>
14067 * config/alpha/alpha.md (addvsi3, addvdi3): New.
14068 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
14070 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14072 * tradcpp.c (main): Make sure finclude() is called with a valid
14073 indepth value while handling -include.
14075 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14077 * gencodes.c (output_predicate_decls): New function.
14079 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
14080 even if it is not the first time machmode.h is #included.
14081 * config/sh/sh.c (fpul_operand): Declare MODE argument.
14082 * tm.texi (PREDICATE_CODES): Document predicate declarations.
14083 * gcc.texi (Copyright): Added 2001.
14085 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14087 * c-common.c (c_common_lang_init): New function. Warn if format
14088 warning options which only have effects when used with -Wformat
14089 are used without -Wformat.
14090 * c-common.h (c_common_lang_init): Declare.
14091 * c-lang.c (lang_init): Call c_common_lang_init.
14092 * objc/objc-act.c (lang_init): Call c_common_lang_init.
14094 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14096 * configure.in: Check for the mktemp command.
14097 * configure: Regenerate.
14098 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
14099 $TEMP. Create temporary files with mktemp, if available at
14100 configure time; otherwise use set -C. Remove temporary files
14103 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14105 * configure.in: Require at least texinfo 4.0. Check for whether
14106 Pod::Man is sufficiently recent to regenerate GCC manpages.
14107 * configure: Regenerate.
14108 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
14110 (GENERATED_MANPAGES): Define.
14111 (generated-manpages): New target. Depend on cpp.1 as well as
14113 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
14114 configure to generated-manpages or empty) rather than on the
14115 manpages directly. Remove execute permission from installed
14116 gcov.1 as well as cpp.1.
14117 * cpp.1, gcov.1: Regenerate.
14119 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14121 * builtins.c (expand_builtin_strncmp): Use host_integerp and
14122 tree_low_cst. Allow using cmpstrsi in more cases.
14124 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14126 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
14129 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
14131 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
14132 * Makefile.in (HOST_CFLAGS): Mention build-make.
14134 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14136 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
14139 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14141 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
14144 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
14147 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
14148 reg_base_value and reg_known_value arrays.
14149 (init_alias_analysis): Add more cases to detect known values.
14150 * sched-deps.c (deps_may_trap_p): New function.
14151 (sched_analyze_2): Use it.
14153 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14155 * combine.c (simplify_shift_const): Even if we're sign-extracting,
14156 don't discard an ASHIFTRT if we're shifting in a wider mode.
14158 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
14160 * toplev.c (rest_of_compilation): Don't print basic block information
14161 when CFG isn't up to date.
14163 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
14165 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
14166 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
14167 (UNALIGNED_SHORT_ASM_OP): Define.
14168 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
14170 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14172 * fold-const.c (fold_convert): Fix typo.
14174 2001-01-02 Richard Henderson <rth@redhat.com>
14176 * c-common.h (ASM_INPUT_P): New.
14177 * c-parse.in (asm): Set it when needed.
14178 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
14179 existance of an operand.
14181 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
14183 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
14184 (dwarf2out_frame_debug_expr): Likewise.
14185 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
14187 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
14189 * i386.c (ix86_split_to_parts): Return number of part required;
14191 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
14193 (ix86_split_long_move): Use number of part returned
14194 by ix86_split_to_parts
14195 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
14197 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
14198 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
14199 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
14200 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
14201 (ALIGN_MODE_128): Add TFmode.
14202 (IS_STACK_MODE): Likewise.
14203 (HARD_REGNO_NREGS): TFmode needs 3 registers.
14204 (HARD_REGNO_OK): Support TFmodes.
14205 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
14206 * i386.md (scheduler definitions): Use memory operand to determine
14207 fst/fld instructions; use mode attribute to determine real mode of
14209 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
14210 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
14212 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14214 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
14216 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14218 * expr.c (store_constructor_field): Update ALIGN before calling
14221 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14223 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
14226 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14228 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
14231 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14233 * c-decl.c (start_function): Don't warn on third parameter to main.
14235 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14237 * tsystem.h: Define HAVE_DECL_GETOPT.
14239 2001-01-02 Philip Blundell <pb@futuretv.com>
14241 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
14244 2001-01-02 Richard Henderson <rth@redhat.com>
14246 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
14248 2001-01-02 Andreas Jaeger <aj@suse.de>
14250 * c-decl.c (c_decode_option): Remove support of
14251 -Wmissing-noreturn.
14253 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
14254 (W_options): Add -Wmissing-noreturn here.
14256 * flow.c: Define lang_missing_noreturn_ok_p.
14257 (check_function_return_warnings): Use it.
14259 * c-common.h: Declare lang_missing_noreturn_ok_p.
14261 * c-lang.c (c_missing_noreturn_ok_p): New function.
14262 (lang_init): Set lang_missing_noreturn_ok_p.
14264 * invoke.texi (Warning Options): Document this.
14266 2000-12-27 Phil Edwards <pme@sources.redhat.com>
14268 * extend.texi (C++ Extensions): New node for C++ attributes;
14269 describe init_priority and com_interface.
14270 * invoke.texi: Remove -finit-priority as it now has zero effect.
14271 * install.texi: Fix xref syntax.
14272 * md.texi: Likewise.
14274 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14276 * config.gcc (sparc64-wrs-vxworks*): New case.
14277 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
14279 * config/sparc/sparc.c (sparc_override_options): Do support different
14280 pointer and architecture size.
14281 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
14282 (POINTERS_EXTEND_UNSIGNED): Define.
14283 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
14284 (FUNCTION_MODE): Define to be Pmode.
14285 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
14287 * function.c (expand_function_end): Properly handle DECL_RESULT
14288 and copy when ptr_mode != Pmode.
14289 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
14291 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14293 * c-common.c (c_common_nodes_and_builtins): Set prototype
14294 parameters for __builtin_fputs, __builtin_fputc and
14295 __builtin_fwrite. Don't declare plain fputc as a builtin.
14297 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
14299 * loop.c (add_label_notes): Increment the label usage count when
14300 a note is added to an insn which refers to a CODE_LABEL.
14301 * gcse.c (add_label_notes): Likewise.
14303 2001-01-01 Andreas Jaeger <aj@suse.de>
14305 * loop.c (scan_loop): Use xmalloc to allocate movables.
14307 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
14309 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
14310 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
14311 * reload1.c (REGISTER_MOVE_COST): Likewise.
14312 * regclass.c (REGISTER_MOVE_COST): Likewise.
14313 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
14314 dimension. Adjust all users.
14315 (init_reg_sets_1): Iterate on all modes.
14316 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
14317 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
14318 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
14319 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
14320 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
14321 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
14322 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
14323 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
14324 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
14325 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
14326 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
14327 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
14328 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
14329 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
14330 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
14331 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
14332 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
14333 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
14334 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
14335 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
14336 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
14337 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
14338 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
14339 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
14340 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
14341 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
14342 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
14344 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14346 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
14347 arg VARIES_P. Call it with extra arg.
14348 (true_dependence): Likewise.
14349 * rtl.h (rtx_addr_can_trap_p): Declare.
14350 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
14352 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
14353 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
14354 pic offset table register if it's zero. All callers changed.
14355 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
14357 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14359 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
14360 STRING_POOL_ADDRESS_P.
14362 * config/sparc/sparc.c (input_operand): Properly test for short op.
14364 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
14365 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
14366 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
14367 * config/sparc/elf.h: No longer include sol2.h.
14368 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
14369 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
14371 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
14373 2001-01-01 Michael Hayes <mhayes@redhat.com>
14375 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
14376 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
14377 (record_initial): Likewise.
14378 * unroll.c (copy_loop_body, loop_iterations): Likewise.
14379 (remap_split_bivs): Likewise.
14381 2001-01-01 Michael Hayes <mhayes@redhat.com>
14383 * loop.c (loop_ivs_free): New function.
14384 (strength_reduce): Break out from...
14386 2001-01-01 Michael Hayes <mhayes@redhat.com>
14388 * loop.h (struct iv): New.
14389 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
14390 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
14391 'reg_biv_class' fields with 'regs' and 'n_regs'.
14392 (struct ivs): Rename 'loop_iv_list' field to 'list'.
14393 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
14394 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
14396 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
14398 * resource.c (mark_referenced_resources): Abort() before
14399 attempting to mark a pseudo register.
14400 (mark_set_resources): Likewise.
14402 2001-01-01 Michael Hayes <mhayes@redhat.com>
14404 * loop.h (REG_IV_CLASS): New accessor macro.
14405 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
14406 * unroll.c (REG_IV_CLASS): Likewise.
14408 See ChangeLog.4 for earlier changes.