| blob | e5c26cc1cd208c24111b92e6cead8f040538298c |
1 2001-06-30 Zack Weinberg <zackw@stanford.edu>
3 * rtl.def (DEFINE_INSN, DEFINE_INSN_AND_SPLIT, DEFINE_PEEPHOLE):
4 Change output-template slot to format 'T'.
5 * rtl.h (XTMPL): New.
6 * read-rtl.c (read_escape): New function.
7 (read_quoted_string, read_braced_string): Use it.
8 (read_rtx): Set star_if_braced from the format string.
9 Use XTMPL where appropriate.
10 * genoutput.c (gen_insn, gen_peephole): Use XTMPL to get the
11 template string.
13 * rtl.c: Include errors.h for sake of rtl_check_failed* routines.
14 Document 'T' in rtx format strings.
15 * Makefile.in (rtl.o, $(HOST_PREFIX_1)rtl.o): Depend on errors.h.
16 * errors.c (internal_error): Add missing ": " at end of string.
18 * i860.md: Change triple backslashes to double backslashes at
19 ends of lines in output templates.
20 * ns32k.md: Remove stray backslash-newline in output template.
22 2001-06-29 Nick Clifton <nickc@cambridge.redhat.com>
24 * gcc.c (process_command): Append a DIR_SEPARATOR to a path
25 specified by the -B switch, if doing so would create a valid
26 directory name.
27 * doc/invoke.texi: Document changed behavior of -B.
29 2001-06-29 DJ Delorie <dj@redhat.com>
31 * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at
32 least get rid of the CONCAT if we can't simplify further.
34 Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com)
36 * simplify-rtx.c (simplify_rtx): Use swap_commutative_operands_p.
38 * doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce
39 changes. Fix documentation for SSA DCE pass.
41 * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
42 eliminate_date_code.
43 * ssa.h (ssa_eliminate_dead_code): Corresponding changes.
44 * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM.
45 * toplev.c (DFI_ssa_dce): Renamed from DFI_dce.
46 (dump_file_info): Similar changes.
47 (flag_ssa_dce): Similarly
48 (f_options): Similar changes.
49 (rest_of_compilation): Corresponding changes.
50 * doc/invoke.texi: Update as option is now -fssa-dce instead
51 of -fdce. Update dump file name.
53 * ssa-dce.c (note_inherently_necessary_set): New function.
54 (find_inherently_necessary): Use it. Do not consider
55 NOTEs, CODE_LABELs or BARRIERS are necessary. Improve
56 handling of asms and unspecs.
57 (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs.
59 2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk>
61 * target.h (struct gcc_target): Add comp_type_attributes and
62 set_default_type_attributes.
63 * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES,
64 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define.
65 (TARGET_INITIALIZER): Update.
66 * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES,
67 SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
68 Update documentation of old target macros to describe new target
69 hooks.
70 * tree.c (make_node): Use target.set_default_type_attributes.
71 (default_comp_type_attributes,
72 default_set_default_type_attributes): New functions.
73 * tree.h (default_comp_type_attributes,
74 default_set_default_type_attributes): Declare.
75 * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define.
76 (comptypes): Use target.comp_type_attributes.
77 * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h
78 (arc_comp_type_attributes, arc_set_default_type_attributes,
79 COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove
80 functions and macros with default behavior.
81 * config/m32r/m32r-protos.h, config/m32r/m32r.c,
82 config/m32r/m32r.h (m32r_comp_type_attributes,
83 m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
84 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
85 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
86 config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes,
87 m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
88 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
89 * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c,
90 config/ns32k/ns32k.h (ns32k_comp_type_attributes,
91 COMP_TYPE_ATTRIBUTES): Likewise.
92 * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
93 config/rs6000/rs6000.h (rs6000_comp_type_attributes,
94 rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
95 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
96 * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES,
97 SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro
98 definitions.
99 * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
100 * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
101 * config/arm/arm.c (arm_comp_type_attributes,
102 arm_set_default_type_attributes): Make static.
103 (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
104 Define.
105 * config/arm/arm.h (COMP_TYPE_ATTRIBUTES,
106 SET_DEFAULT_TYPE_ATTRIBUTES): Don't define.
107 * config/arm/arm-protos.h (arm_comp_type_attributes,
108 arm_set_default_type_attributes): Don't declare.
109 * config/i386/i386.c (ix86_comp_type_attributes): Make static.
110 (TARGET_COMP_TYPE_ATTRIBUTES): Define.
111 * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define.
112 * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't
113 declare.
115 2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl>
117 * predict.c (dump_prediction): Eliminate fprintf warning.
119 2001-06-28 Diego Novillo <dnovillo@redhat.com>
121 * flow.c (dump_bb): Remove unused third argument to call
122 to fprintf when displaying the basic block header.
124 2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
125 Jeff Law <law@redhat.com>
127 * Makefile.in (OBJS): Add df.o
128 (df.o): Add dependencies.
129 * basic-block.h (flow_depth_first_order_compute): Declare.
130 * flow.c (flow_depth_first_order_compute): No longer declare.
131 Make external.
132 * df.c, df.h: New files.
134 2001-06-28 Zack Weinberg <zackw@stanford.edu>
136 * config/i386/i386.md: Global update to use new string syntax
137 where it will improve readability. Warning fixes:
138 (*truncdfsf2_2): Abort if which_alternative is not 0 or 1.
139 (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64,
140 *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int.
142 * read-rtl.c: Syntactic sugar for C embedded in strings in
143 machine descriptions.
144 (read_string): Break inner loop into separate function. Takes
145 an int. Dispatch to read_quoted_string or read_braced_string
146 as appropriate. Automatically insert a leading star on braced
147 strings if STAR_IF_BRACED is true.
148 (read_quoted_string, read_braced_string): New functions.
149 * doc/rtl.texi, doc/md.texi: Document new syntax. Update
150 examples to match.
152 * rtl.c: Split RTL reader (read_rtx, read_skip_spaces,
153 traverse_md_constants, fatal_with_file_and_line,
154 fatal_expected_char, read_name, read_string, def_hash,
155 def_name_eq_p, read_constants, and related data) to its own
156 file. Weed out now-unnecessary #includes.
157 * read-rtl.c: New file.
158 * Makefile.in (HOST_RTL): Add read-rtl.o.
159 (read-rtl.o): New rule.
160 (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies.
161 * doc/gcc.texi (Passes): Talk briefly about the support
162 library used by genfoo.
163 * doc/rtl.texi (Reading RTL): read_rtx is not available in the
164 compiler itself.
166 2001-06-28 Stan Shebs <shebs@apple.com>
168 * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define.
169 * config/darwin-c.c: New file.
170 * config/darwin-protos.h: Declare new functions.
171 * config/rs6000/t-darwin (darwin-c.o): New rule.
172 * config.gcc (powerpc-*-darwin*): Define c_target_objs and
173 cxx_target_objs.
174 * doc/extend.texi (Pragmas): New section.
176 Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz>
178 * flow.c (try_merge_block): Rename to try_optimize_cfg;
179 do basic simplifications on the CFG.
180 (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
181 try_simplify_condjump): New.
182 (redirect_edge_and_branch): Try replace jump insn.
183 (flow_delete_insn): Handle deleting of ADDR_VEC insns.
185 * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.
187 Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com)
189 * ssa-dce.c (eliminate_dead_code): Properly handle control
190 dependencies implied by PHI nodes.
192 * ssa-dce.c (eliminate_dead_code): Remove fake edges from the
193 CFG after dead code elimination is complete.
195 2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
197 * gthr-posix.h [LIBOBJC]: Add weak definitions of
198 sched_get_priority_max, sched_get_priority_min.
200 2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com>
202 * diagnostic.c (default_print_error_function): Tweak.
203 (report_error_function): Likewise.
204 * toplev.h (default_print_error_function): Move to...
205 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
206 * tree.h (print_error_function): Move to...
207 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
209 Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
211 * expr.c (expand_assignment): When have varying-length object,
212 make MEM a BLKmode.
213 (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting
214 SAVE_EXPR stack in case we had a SUBREG.
216 Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz>
218 * i386.md (cmp?i): Simplify; refuse immediate operand
219 in alternative 0
220 * i386.c (cmpsi_operand): Refuse constants.
222 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
224 * flow.c (block_label, redirect_edge_and_branch): Split out from ....
225 (split_edge) .... here;
227 2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk>
229 * i386/i386.c (ix86_valid_type_attribute_p): Give external
230 linkage, move declaration to...
231 * i386/i386-protos.h: ...here.
233 2001-06-27 H.J. Lu (hjl@gnu.org)
235 * build-make (CC): Removed.
236 (HOST_CC): Set to $(CC_FOR_BUILD).
237 (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD).
238 Fix a typo in comments.
240 * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when
241 generating auto-build.h for canadian cross compile. Set CC
242 to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'.
243 Save/restore CFLAGS.
244 * configure: Regenerated.
246 2001-06-27 Jim Wilson <wilson@redhat.com>
248 * emit-rtl.c (gen_highpart): Call validize_mem.
250 2001-06-27 Bruce Korb <bkorb@gnu.org>
252 * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
253 hpux10_cpp_pow_inline. Not similar enough.
254 (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for
255 all Solaris versions. This fix patches MUTEX and COND initializers,
256 the RWLOCK one will wait for someone to complain. For now, anyway.
257 (uw7_byteorder_fix): It was looking for the byteorder.h file in the
258 wrong directory.
260 2001-06-27 Stan Shebs <shebs@apple.com>
262 * objc/objc-act.c (handle_impent): Rewrite to be more portable
263 and to use ASM_DECLARE_CLASS_REFERENCE.
264 * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
265 undocumented DECLARE_CLASS_REFERENCE, add file argument.
266 * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
268 Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com)
270 * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
271 by putting complex operands first and constants second.
273 2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com>
275 * diagnostic.h: Add documentation. Make macros polymorphic.
276 * diagnostic.c (ideal_line_wrap_cutoff): Remove
277 definition. Replace with diagnostic_line_cutoff.
278 (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule.
280 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
282 * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
283 doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
284 doc/gcov.texi, doc/install-old.texi, doc/install.texi,
285 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
286 . at end of sentences preceded by a capital letter with @..
288 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
290 * doc/invoke.texi: Add description of max-gcse-passes param.
292 * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES.
293 (MAX_PASSES): Remove now unneeded macro.
295 * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of
296 max-gcse-passes param.
298 * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling
299 maximum number of GCSE passes to run. Defaults to 1 (which is what
300 MAX_PASSES in gcse.c used to be).
302 2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk>
304 * system.h (TARGET_ESC): Move to ...
305 * defaults.h (TARGET_ESC): ... here.
306 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
307 TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler.
308 * tree.c (default_valid_attribute_p): New.
309 (valid_machine_attribute): Handlers can not be NULL.
310 * tree.h (default_valid_attribute_p): New.
311 * doc/tm.texi: Document TARGET_ESC.
312 * cp/decl2.c (import_export_class): Update.
314 2001-06-26 Bruce Korb <bkorb@gnu.org>
316 * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot
317 use preprocessing directives inside a string literal. Fixed.
319 2001-06-26 Jim Wilson <wilson@redhat.com>
321 * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT):
322 Document.
324 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
326 * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
327 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
328 doc/tm.texi: Use @: where necessary when a full stop does not end
329 a sentence.
331 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
333 * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
334 whitespace.
336 2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
338 * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
339 doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
340 doc/tm.texi: Use two spaces after ends of sentences.
342 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
344 * toplev.c (display_help): Fix param thinko.
345 * Makefile.in: Fix params.h dependencies.
347 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
349 * toplev.c (decode_f_option): Adjust setting.
350 (toplev_main): Call diagnostic_initialize. Remove call to
351 reshape_diagnostic_buffer._
353 * diagnostic.h (struct output_buffer): Add new field format_decoder.
354 (diagnostic_format_decoder): New macro.
355 (diagnostic_prefixing_rule): Likewise.
356 (diagnostic_line_cutoff): Likewise.
357 (set_message_prefixing_rule): Remove.
359 * diagnostic.c (lang_printer): Remove.
360 (diagnostic_message_length_per_line): Likewise.
361 (current_prefixing_rule): Likewise.
362 (initialize_diagnostics): Rename to...
363 (diagnostic_initialize): ...this. Tweak.
364 (default_initialize_buffer): Remove.
365 (reshape_diagnostic_buffer): Likewise.
366 (init_output_buffer): Adjust prefixing rule setting.
367 (output_format): Use format_decoder from the output_buffer.
369 * c-lang.c (c_init): Adjust tree formatter setting.
371 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
373 * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
375 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
377 * Makefile.in (TARGET_H, TARGET_DEF_H): New.
378 (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update.
379 * c-decl.c (duplicate_decls): Use function pointer.
380 * c-typeck.c (common_type): Similarly.
381 * tree.c (valid_machine_attribute): Similarly.
382 (merge_machine_type_attributes): Rename merge_type_attributes.
383 (merge_machine_decl_attributes): Rename merge_decl_attributes.
384 (merge_dllimport_decl_attributes): New function.
385 * tree.h (merge_machine_type_attributes): Rename merge_type_attributes.
386 (merge_machine_decl_attributes): Rename merge_decl_attributes.
387 (merge_dllimport_decl_attributes): New prototype.
388 * target.h: New.
389 * target-def.h: New.
391 doc: (Joseph Myers)
392 * doc/gcc.texi, doc/tm.texi: Update documentation.
394 cp: Make-lang.in: Update dependencies.
395 * spew.c: Include target.h.
396 (duplicate_decls): Call target function.
397 * decl2.c: include target.h
398 (import_export_class): Use existence of target function pointer.
399 * typeck.c: Include target.h.
400 (qualify_type_recursive): Rename variable. Call target function.
401 (type_after_usual_arithmetic_conversions): Similarly.
402 (common_type): Similarly.
404 config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
405 avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c,
406 d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c,
407 i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c,
408 m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c,
409 mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c,
410 pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c,
411 sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c)
412 : Include target.h and target-def.h. Define target.
414 * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove.
415 * arc/arc.c (arc_valid_machine_decl_attribute): Rename
416 arc_valid_decl_attribute, make static.
417 * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
418 * arm/arm-protos.h (arm_valid_machine_decl_attribute,
419 arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute,
420 arm_pe_merge_machine_decl_attributes): Remove.
421 * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename
422 arm_valid_decl_attribute_p, make static.
423 (arm_pe_valid_decl_attribute_p): Move from pe.c.
424 * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c.
425 (arm_pe_merge_machine_decl_attributes): Move to tree.c.
426 * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
427 * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
428 * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
429 * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New.
430 (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove.
431 * avr/avr-protos.h (valid_machine_type_attribute,
432 valid_machine_decl_attribute): Remove.
433 * avr/avr.c (valid_machine_type_attribute,
434 valid_machine_decl_attribute): Rename and make static.
435 * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE,
436 VALID_MACHINE_DECL_ATTRIBUTE): Remove.
437 * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove.
438 * c4x/c4x.c (c4x_valid_type_attribute_p): Make static.
439 * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
440 * d30v/d30v.h: Remove obsolete comments.
441 * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove.
442 * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make
443 static.
444 * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
445 * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
446 (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES,
447 i386_pe_valid_type_attributes_p): Remove.
448 * i386/i386-protos.h (ix86_valid_decl_attribute_p,
449 ix86_valid_type_attribute_p): Remove.
450 * i386/i386.c (ix86_valid_decl_attribute_p): Remove.
451 (ix86_valid_type_attribute_p): Make static.
452 * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE,
453 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
454 * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c.
455 * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove.
456 * ia64/ia64.c (ia64_valid_type_attribute): Make static.
457 * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
458 * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove.
459 * m32r/m32r.c (m32r_valid_decl_attribute): Make static.
460 * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
461 * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p,
462 m68hc11_valid_type_attribute_p): Remove.
463 * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove.
464 (m68hc11_valid_type_attribute_p): Make static.
465 * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE,
466 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
467 * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute,
468 mcore_merge_machine_decl_attribute): Remove.
469 * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename,
470 make static.
471 (mcore_merge_machine_decl_attributes): Move to tree.c.
472 * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE,
473 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
474 (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
475 * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p,
476 ns32k_valid_type_attribute_p): Remove.
477 * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove.
478 (ns32k_valid_type_attribute_p): Make static.
479 * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE,
480 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
481 * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p,
482 rs6000_valid_type_attribute_p): Remove.
483 * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove.
484 (rs6000_valid_type_attribute_p): Make static.
485 * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE,
486 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
487 * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove.
488 * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static.
489 * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
490 * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove.
491 * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static.
492 * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
494 2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
496 * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold
497 it.
499 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
501 * diagnostic.h (struct diagnostic_context): Add new field.
502 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
503 declaratons.
504 (global_dc): Declare.
505 * diagnostic.c (global_diagnostic_context): New variable.
506 (global_output_buffer): Remove.
507 (global_dc): Define.
508 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
509 definitions.
510 (initialize_diagnostics): Adjust initialization.
511 (set_diagnostic_context): Adjust setting.
513 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
515 * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
516 UNALIGNED_SHORT_ASM_OP): Define.
517 * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
518 UNALIGNED_SHORT_ASM_OP): Undef.
520 Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
522 * i386.md (float_truncate splitter, and to mov splitters): Add
523 reload_completed; fix operand predicate.
525 * haifa-sched.c (sched_init): Do not split insns.
526 * toplev.c (rest_of_compilation): Call split_all_insns before
527 sched1 pass; simplify condition of post-reload splitter;
528 call split_all_insn before sched2 pass.
530 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
532 * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
533 (set_message_prefixing_rule): Adjust prototype.
534 * diagnostic.c (current_prefixing_rule): Adjust type.
536 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
538 * defaults.h: Default escape sequences to ASCII.
539 * config/i370/i370.h: Adjust for ASCII default.
540 * config/1750a/1750a.h: Remove escape sequence definitions.
541 * config/a29k/a29k.h: Similarly.
542 * config/alpha/alpha.h: Similarly.
543 * config/arc/arc.h: Similarly.
544 * config/arm/arm.h: Similarly.
545 * config/avr/avr.h: Similarly.
546 * config/c4x/c4x.h: Similarly.
547 * config/clipper/clipper.h: Similarly.
548 * config/convex/convex.h: Similarly.
549 * config/d30v/d30v.h: Similarly.
550 * config/dsp16xx/dsp16xx.h: Similarly.
551 * config/elxsi/elxsi.h: Similarly.
552 * config/fr30/fr30.h: Similarly.
553 * config/h8300/h8300.h: Similarly.
554 * config/i386/i386.h: Similarly.
555 * config/i860/i860.h: Similarly.
556 * config/i960/i960.h: Similarly.
557 * config/ia64/ia64.h: Similarly.
558 * config/m32r/m32r.h: Similarly.
559 * config/m68hc11/m68hc11.h: Similarly.
560 * config/m68k/m68k.h: Similarly.
561 * config/m88k/m88k.h: Similarly.
562 * config/mcore/mcore.h: Similarly.
563 * config/mips/mips.h: Similarly.
564 * config/mn10200/mn10200.h: Similarly.
565 * config/mn10300/mn10300.h: Similarly.
566 * config/ns32k/ns32k.h: Similarly.
567 * config/pa/pa.h: Similarly.
568 * config/pdp11/pdp11.h: Similarly.
569 * config/pj/pj.h: Similarly.
570 * config/romp/romp.h: Similarly.
571 * config/rs6000/rs6000.h: Similarly.
572 * config/sh/sh.h: Similarly.
573 * config/sparc/sparc.h: Similarly.
574 * config/v850/v850.h: Similarly.
575 * config/vax/vax.h: Similarly.
576 * config/we32k/we32k.h: Similarly.
577 * doc/tm.texi: Update documentation.
579 2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
581 * diagnostic.c (digit_buffer): Remove as global. Move to...
582 * diagnostic.h (struct output_buffer): ... here.
583 * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
585 2001-06-25 Steve Ellcey <sje@cup.hp.com>
587 * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
588 Define tmake_file to include ia64/t-hpux.
589 * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
590 testing to see if it is defined.
591 * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
592 undefined.
593 * config/ia64/hpux_longdouble.h: New.
594 * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
595 handling of long doubles.
596 (ia64_function_arg, ia64_function_value): Add checks for TFmode
597 and INTEL_EXTENDED_IEEE_FORMAT.
598 * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
599 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
600 TFmode and INTEL_EXTENDED_IEEE_FORMAT.
601 * config/ia64/ia64.md (all TFmode patterns): Test
602 INTEL_EXTENDED_IEEE_FORMAT in condition.
603 (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
604 * config/ia64/quadlib.c: New.
605 * config/ia64/t-hpux: New.
606 * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
608 2001-06-25 Jim Wilson <wilson@redhat.com>
610 * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
611 * config/i960/t-vxworks960: Likewise.
613 2001-06-25 Dale Johannesen <dalej@apple.com>
615 * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
616 argument to macro).
618 Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
620 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
622 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
624 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
625 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
626 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
627 the use of "GCC" and related terms.
628 * doc/gcc.1, doc/gcov.1: Regenerate.
630 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
632 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
633 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
634 uses of @refill.
636 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
638 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
640 2001-06-24 Richard Henderson <rth@redhat.com>
642 * builtins.c (expand_builtin_expect_jump): Disable if the
643 expression can't be re-evaluated.
645 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
647 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
648 handlers examine register r0-r7, for other interrupt handlers
649 examine r0-r12. If the interrupt handler is not a leaf function
650 save all call clobbered registers.
651 (arm_output_epilogue): If the prologue has pushed the IP register,
652 restore it here.
653 (Arm_expand_prologue): For interrupt functions that need the frame
654 pointer, push the IP register before it is corrupted.
656 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
657 about the use of signed and unsigned quantities in a conditional.
659 2001-06-23 Richard Henderson <rth@redhat.com>
661 * config/alpha/crtfastmath.c: New file.
662 * config/alpha/t-crtfm: New file.
663 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
664 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
665 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
666 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
667 do not set extra_parts here.
669 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
671 * doc/install-old.texi: Remove more documentation of configure
672 options.
673 * doc/install.texi: Add it here.
675 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
677 * i386-protos.h (emit_i387_cw_initialization): Declare.
678 * i386.md (movsi_insv_1): Remove '*'.
679 (fix_trunc?f?i2): Revamp to use control word parameters.
680 (fix_trunc?i_1): Likewise; update splitters.
681 (fix splitter): Remove.
682 * i386.c (MAX_386_STACK_LOCALS): set to 3.
683 (emit_i387_cw_initialization): New function.
684 (output_fix_trunc): Do not initialize control word;
685 kill dead code; simplify.
687 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
689 * cppmacro.c (make_string_token): Avoid warning.
690 (cpp_macro_definition): Prepend the macro name. Update
691 comments.
692 * cppmain.c (cb_define, dump_macro): Update for changes
693 to cpp_macro_definition.
695 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
697 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
699 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
701 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
702 try_pre_increment_1): compute REG_FREQ using bb->frequency.
704 * regclass.c (loop_cost): Kill.
705 (frequency): New global variable.
706 (record_operand_costs): Replace loop_cost by frequency.
707 (scan_one_insn): Likewise.
708 (regclass): Likewise; set frequency according to bb->frequency.
710 * flow.c (split_edge): Set frequency.
712 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
714 * predict.c (block_info_def): Add nvisited.
715 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
716 irreducible regions.
718 * flow.c (dump_edge_info): Dump the probability of edge.
719 (combine_predictions_for_insn): Dump the basic block.
721 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
723 * doc/gcc.texi: Update documentation of source files of C
724 compiler.
726 2001-06-22 Richard Henderson <rth@redhat.com>
728 * doc/invoke.texi (-funsafe-math-optimizations): Document its
729 possible effects at link time.
731 2001-06-22 Diego Novillo <dnovillo@redhat.com>
733 * basic-block.h (dump_edge_info): Declare.
734 (clear_edges): Declare.
735 (mark_critical_edges): Declare.
736 * flow.c (dump_edge_info): Remove static declaration.
737 (clear_edges): Ditto.
738 (mark_critical_edges): Ditto.
739 (free_basic_block_vars): Only clear edges and free basic block
740 array if basic_block_info is not NULL.
741 * ssa.c (compute_dominance_frontiers): Remove static declaration.
742 * ssa.h (compute_dominance_frontiers): Declare.
744 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
746 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
747 instead of const1_rtx for true case.
749 2001-06-22 David Mosberger <davidm@hpl.hp.com>
751 * config/ia64/crtfastmath.c: New file.
752 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
753 * config/ia64/linux.h (ENDFILE_SPEC): New.
755 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
757 * config/h8300/h8300.c (asm_file_start): Remove reference to
758 "release F-1".
760 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
762 * c-common.c (verify_tree): Check for x being NULL.
763 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
764 COMPOUND_STMT.
765 Fixes PR c/3259.
767 2001-06-22 DJ Delorie <dj@redhat.com>
769 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
770 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
771 (arm_return_addr): Use get_hard_reg_initial_val et al.
772 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
773 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
774 (d30v_return_addr): Use get_hard_reg_initial_val et al.
775 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
776 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
777 mark_machine_status.
778 (rs6000_mark_machine_status): Remove.
779 (rs6000_return_addr): Use get_hard_reg_initial_val.
780 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
781 * config/v850/v850.h (INIT_EXPANDERS): Delete.
782 * config/v850/v850.c (struct machine_function): Delete.
783 (v850_init_machine_status): Delete.
784 (v850_mark_machine_status): Delete.
785 (v850_free_machine_status): Delete.
786 (v850_return_addr): Use get_hard_reg_initial_val.
787 (v850_init_expanders): Delete.
789 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
791 * predict.c (estimate_bb_frequencies): Do not handle conditional
792 jumps jumping to fallthru basic block as conditional jumps.
794 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
796 * regs.h (struct reg_info_def): Add freq field.
797 (REG_N_REFS): Update comment.
798 (REG_FREQ): New.
799 * regclass.c (scan_one_insn): Update REG_FREQ.
800 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
801 (attempt_auto_inc): Likewise.
802 (mark_used_reg): Likewise.
803 (try_pre_increment_1): Likewise.
804 * local-alloc.c (struct qty): Add freq field.
805 (alloc_qty): Set freq.
806 (update_equiv_regs): Set REG_FREQ.
807 (QTY_CMP_PRI): Use freq.
808 (combine_regs): Update qty->freq.
809 * global.c (struct allocno): Update comment for n_refs;
810 add freq field.
811 (local_reg_freq): New array.
812 (global_alloc): Update freq field;
813 allocate and initialize local_reg_freq.
814 (allocno_compare): Use freq field.
815 (find_reg): Likewise.
816 * reload1.c (count_pseudo): Use freq isntead of n_refs.
817 (count_spilled_pseudo): Likewise.
819 * tm.texi (GCOV_TYPE_SIZE): Document.
820 * basic-block.h (gcov_type): Define.
821 (struct edge_def): Use gcov_type for count field.
822 (struct basic_block_def): Likewise.
823 * defaults.h (GCOV_TYPE_SIZE): Define.
824 * final.c (end_final): Use GCOV_TYPE_SIZE.
825 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
826 using HOST_WIDEST_INT_PRINT_DEC.
827 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
828 __write_gcov_type): New.
829 (store_long): Remove.
830 * gcov.c (gcov_type): Set default.
831 (struct adj_list): Use gcov_type for arc_count.
832 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
833 (create_program_flow_graph): Read arc_count properly.
834 (solve_program_flow_graph): 'total' is gcov_type.
835 (output_data): Line_counts is gcov_type, print it properly.
836 * libgcc2.c (struct bb): Counts is gcov_type.
837 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
838 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
839 (GCOV_TYPE_SIZE): Define.
840 (struct bb_info): succ_count and pred_count is gcov_type.
841 (compute_branch_probabilities): Use __read_gcov_type,
842 print read edges to the dump file.
843 (total): Is gcov_type.
844 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
846 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
848 * optabs.c (emit_libcall_block): When using non-call exceptions,
849 don't mark libcalls never throwing.
851 2001-06-21 Stan Shebs <shebs@apple.com>
853 * objc/objc-act.c (hash_init): Use xcalloc.
855 2001-06-21 Richard Henderson <rth@redhat.com>
857 * flow.c (entry_exit_blocks): Initialize frequency.
858 (split_block): Copy it.
859 (dump_flow_info): Dump it.
861 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
863 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
864 from machine-depedent_reorg for purposes of alignment supression
865 when no delay slot insn has been added.
867 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
869 * cppmacro.c (make_string_token): Null terminate.
871 2001-06-21 DJ Delorie <dj@redhat.com>
873 * config/alpha/alpha.h (struct machine_function): Remove.
874 * config/alpha/alpha.c (integrate.h): Include.
875 (override_options): Don't set up machine_status hooks.
876 (alpha_init_machine_status): Remove.
877 (alpha_mark_machine_status): Remove.
878 (alpha_free_machine_status): Remove.
879 (alpha_return_addr): Use get_hard_reg_initial_val.
880 (alpha_gp_save_rtx): Likewise.
881 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
883 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
885 * config/sh/sh.md (interrupt_function): Use
886 current_function_interrupt.
887 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
888 an interrupt function.
890 * config/sh/sh.h (current_function_interrupt): Define extern.
892 * config/sh/sh.c (current_function_interrupt): New global.
893 (sh_expand_prologue): Set current_function_interrupt.
895 2001-06-21 Phil Edwards <pme@sources.redhat.com>
897 * doc/install.texi: Add 'c' to list of --enable-languages choices.
899 2001-06-21 DJ Delorie <dj@redhat.com>
901 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
903 * integrate.c (ggc.h): Include.
904 (initial_value_pair, initial_value_struct,
905 setup_initial_hard_reg_value_integration): Add prototypes.
906 (expand_inline_function): Call
907 setup_initial_hard_reg_value_integration.
908 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
909 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
910 to keep track of values present at the start of a function.
911 (mark_hard_reg_initial_vals): New, for gc.
912 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
913 mappings for initial values.
914 (emit_initial_value_sets): New. Emits code to set initial value
915 pseudos.
916 * integrate.h: Add prototypes for new functions.
917 * function.h (struct function): Add hard_reg_initial_vals field.
918 * function.c (integrate.h): Include.
919 (mark_function_status): Call
920 mark_hard_reg_initial_vals.
921 * toplev.c (integrate.h): Include.
922 (rest_of_compilation): Call emit_initial_value_sets.
924 2001-06-21 Stan Shebs <shebs@apple.com>
926 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
927 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
928 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
929 everywhere instead of "Objective C".
931 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
933 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
934 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
935 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
936 "back end" as nouns and "front-end" and "back-end" as adjectives.
938 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
940 * predict.c (estimate_probability): Fix loop bounds.
942 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
944 * toplev.c (rest_of_compilation): Run mark_constant_function
945 before profile-arcs.
947 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
949 * predict.c (estimate_loops_at_level, propagate_freq
950 estimate_bb_frequencies, count_to_freqs): New functions.
951 (estimate_probability): Call estimate_bb_frequencies.
952 * basic-block.h (basic_block_def): Add field "freq".
953 (BB_FREQ_MAX): New constant.
955 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
957 * sh.c (barrier_align): Don't ask for alignment when seeing a
958 branch-around-a-jump from machine_dependent_reorg.
960 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
962 * ssa.c (rename_block): Update parameter to remove_phi_alternative
963 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
964 re-running life analysis.
966 2001-06-20 Stan Shebs <shebs@apple.com>
968 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
969 also use memset to clear the hash tables.
970 (hash_enter): Assume xmalloc always succeeds.
971 (hash_add_attr): Ditto.
972 (continue_class): Ditto.
974 2001-06-20 Michael Meissner <meissner@redhat.com>
976 * builtins.c (predict.h): Include.
977 (expand_builtin_expect): Update comment.
978 (expand_builtin_expect_jump): New function to expand
979 __builtin_expect inside of a conditional jump expansion.
981 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
982 __builtin_expect (<test>, 1).
984 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
986 * rtl.h (expand_builtin_expect_jump): Add prototype.
988 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
990 * doc/rtl.texi (Machine Modes): Correct description of
991 floating-point modes on machines with non-8-bit bytes.
993 2001-06-19 Bernd Schmidt <bernds@redhat.com>
995 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
996 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
997 note.
999 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
1001 * ssa.c (remove_phi_alternative): Remove declaration. No longer
1002 static. Second argument is a pointer to a basic block structure,
1003 not a basic block index.
1004 (convert_to_ssa): Do not remove dead code.
1005 (convert_from_ssa): Do not remove dead code to create death notes.
1006 * ssa.h (remove_phi_alternative): Declare.
1008 * flow.c (delete_unreachable_blocks): Fix patch error in
1009 previous change (call to find_unreachable_blocks was lost).
1011 * ssa.c (ssa_uses): Remove definition.
1012 (apply_delayed_renames): Don't grow ssa_uses.
1013 (rename_block): Remove comment related to ssa_uses.
1014 (rename_registers): Do not initialize ssa_uses.
1015 (convert_from_ssa): Do not free ssa_uses.
1017 * ssa-dce.c: Renamed from dce.c.
1018 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
1019 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
1020 ssa-dce.o.
1022 2001-06-19 Eric Christopher <echristo@redhat.com>
1024 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
1025 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
1026 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
1028 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
1030 * sh.c (output_branch): Delete bogus code.
1032 * sh.c (initial_elimination_offset):
1033 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
1035 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
1037 * flow.c (find_unreachable_blocks): New function.
1038 (delete_unreachable_blocks): Use find_unreachable_blocks.
1039 * basic-block.h (find_unreachable_blocks): Declare.
1041 * dce.c (eliminate_dead_code): Fix formatting glitch.
1043 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
1045 * c-common.h (RETURN_NULLIFIED_P): New macro.
1046 * c-semantics.c (genrtl_return_stmt): Check it.
1048 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
1049 (emit_block_move): Likewise.
1051 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
1053 * unroll.c: Include predict.h.
1054 (unroll_loop): Drop prediction notes on preconditioning.
1055 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
1056 New; add comments on the others.
1057 * Makefile.in: (unroll.o): Add dependency on predict.h.
1058 * loop.c (strength_reduce): Fix branch prediction.
1060 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1062 * stmt.c (emit_case_nodes): Optimize test whether index is in given
1063 interval.
1065 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1067 * predict.c (estimate_probability): Do not bail out early
1068 when note is present.
1069 (combine_predictions_for_insn): Fix note removal code.
1071 2001-06-18 Ben Elliston <bje@redhat.com>
1073 * except.c (resolve_fixup_regions): Initialize "cleanup".
1075 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
1077 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
1079 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1081 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
1082 use put_var_into_stack.
1084 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1086 * gccspec.c (lang_specific_driver): If compiling ObjC, add
1087 -shared-libgcc when necessary.
1088 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
1090 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
1092 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
1093 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
1094 bitmap_last_set_bit. All for compatibility with sbitmap's.
1096 *bitmap.c (bitmap_zero): New function.
1097 (bitmap_union_of_diffs): New function.
1098 (bitmap_first_set_bit): New function.
1099 (bitmap_last_set_bit): New function.
1101 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1103 * cpp.texi, invoke.texi: Update.
1104 * cpp.1, gcc.1: Regenerate.
1106 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1108 * i386.md (minsf): Fix splitter. (PR fortran/3191)
1110 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1112 * doc/cpp.texi: Update.
1113 * doc/cpp.1: Regenerate.
1115 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1117 * doc/install.texi: Use correct markup hints.
1119 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1121 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
1123 * explow.c (expr_size): If DECL and size specified, use it.
1125 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1127 * doc/cpp.texi: Formatting corrections.
1128 Correct buggy example of use of __GNUC__ etc.
1129 Clarify $ in identifiers.
1130 * doc/cpp.1: Regenerate.
1132 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1134 * optabs.c (expand_twoval_binop): Avoid undefined behavior.
1136 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1138 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
1139 etc. spelling.
1140 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
1141 Added Tru64 UNIX V5.1 bootstrap hints.
1142 (Specific, alpha*-*-osf*): Removed old section, obsolete.
1144 2001-06-15 Andreas Jaeger <aj@suse.de>
1146 * doc/install.texi (Specific): Mention that glibc cannot be
1147 compiled with GCC 3.0.
1149 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
1151 * combine.c (nonzero_bits): Don't optimize away division by
1152 zero.
1154 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1156 * doc/cpp.texi: Revised and brought up to date.
1157 * doc/cpp.1: Regenerate.
1159 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1161 * doc/install.texi: Update --enable-threads to match reality.
1163 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1165 * doc/install.texi: Update for C4x.
1166 * README.C4X: Remove.
1168 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1170 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1171 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1172 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
1173 Consistently use "built-in" and "bit-field". Minor logical markup
1174 improvements.
1175 * doc/gcc.1: Regenerate.
1177 2001-06-14 Richard Henderson <rth@redhat.com>
1179 * config/mips/mips.md (exception_receiver): New.
1181 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
1183 * doc/gcc.texi: Update passes documentation to be more in tune
1184 with reality.
1186 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1188 * i386.c (ix86_expand_prologue): Fix merging conflict.
1190 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1192 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1193 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
1194 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
1195 logical markup. Use TeX quotes and dashes. Use @dots{} and
1196 @minus{}. Avoid spaces inside @var. Update last modification
1197 date in gcc.texi.
1198 * doc/gcc.1, doc/gcov.1: Regenerate.
1200 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1202 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
1203 x86_epilogue_using_move): New global variables.
1204 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
1205 (ix86_emit_save_regs_using_mov): New static function.
1206 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
1207 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
1208 MASK_MIX_SSE_I387): Renumber.
1209 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
1210 (x86_accumulate_outgoing_args, x86_prologue_using_move,
1211 x86_epilogue_using_move): Declare.
1212 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
1214 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
1216 * inclhack.def (hpux10_cpp_pow_inline): New hack.
1218 2001-06-13 Richard Henderson <rth@redhat.com>
1220 * ifcvt.c (dead_or_predicable): Fix return value last patch.
1222 2001-06-13 Mark Mitchell <mark@codesourcery.com>
1224 * NEWS: Remove.
1226 2001-06-13 Richard Henderson <rth@redhat.com>
1228 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
1229 (cond_exec_process_if_block, dead_or_predicable): Likewise.
1231 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1233 * mips-tfile.c (copy_object): Always pass indexNil for symbol
1234 table index.
1236 2001-06-13 Kazu Hirata <kazu@hxi.com>
1238 * config/h8300/h8300.h (OK_FOR_T): Remove.
1239 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
1240 * config/h8300/h8300.md: Remove alternatives involving inc and dec
1241 in the helper patterns for addhi3 and addsi3.
1243 2001-06-13 Phil Edwards <pme@sources.redhat.com>
1245 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
1247 2001-06-13 Zack Weinberg <zackw@stanford.edu>
1249 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
1250 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
1252 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
1253 config/alpha/t-osf4, config/mips/t-iris6: Extract all
1254 references to @shlib_map_file@, @shlib_objs@, or
1255 @shlib_base_name@ to Makefile variables.
1256 Bump soname version of libgcc to 1.
1258 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1260 * doc/install.texi: Use more logical markup. Include @node
1261 commands in the source when generating any non-HTML.
1263 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1265 * README: Remove. Some of the contents moved to ../README.
1267 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1269 * doc/install.texi (--enable-shared): List package names
1270 recognized by GCC.
1272 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1274 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
1275 (*-*-solaris*): Document problem in /bin/sh that affects
1276 configuring libraries.
1277 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
1278 (*-sun-solaris2.8): Document linker problem that explains why
1279 libjava is disabled by default.
1281 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1283 Revert this patch:
1284 * toplev.c (rest_of_compilation): Remove dead code before
1285 purge_addressof.
1287 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1289 Reverted:
1290 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1291 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1292 * configure: Rebuilt.
1294 2001-06-12 Jim Wilson <wilson@redhat.com>
1296 * loop.c (strength_reduce): Move bl->all_reduced set before
1297 check_ext_dependant_givs call.
1298 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
1300 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1302 * doc/extend.texi (Function Attributes): Document SH's sp_switch
1303 and trap_exit.
1305 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1307 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
1308 dashes and @dots{}.
1310 2001-06-12 Richard Henderson <rth@redhat.com>
1312 * config/i386/i386.c (ix86_expand_prologue): Always use
1313 gen_pro_epilogue_adjust_stack; update arguments.
1314 (ix86_expand_epilogue): Likewise.
1315 (ix86_emit_epilogue_esp_adjustment): Remove.
1316 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
1317 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
1318 clobber of scratch memory instead of a modification of EBP as the
1319 barrier. Update all peepholes to match.
1321 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1323 * doc/gcc.texi: Change the font used for @def... commands to a
1324 fixed width font.
1325 * doc/extend.texi: Use more logical markup. Use "built-in"
1326 instead of "builtin". Use @deftypefn to mark up built-in
1327 functions; specify their types in the @deftypefn and not in the
1328 descriptive text. Use TeX quotes and dashes. Add more index
1329 entries.
1331 2001-06-12 lars brinkhoff <lars@nocrew.org>
1333 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
1334 (DIR_SEPARATOR_2): Likewise.
1336 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1338 * doc/install.texi (--exec-prefix, --bindir, --libdir,
1339 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
1340 Document.
1341 (--enable-cpp): Change to document --disable-cpp instead; update
1342 to reflect current default.
1343 (--without-fast-fixincludes): Remove documentation.
1344 (Final install): Document installation directories in more
1345 detail. Document use of make dvi.
1347 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1349 * recog.c (validate_replace_rtx_1): Fix previous patch.
1351 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1353 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
1355 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1357 * simplify-rtx.c (simplify_subreg): Allow volatile memory
1358 to be subregged in case we don't have move instruction.
1360 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1362 * loop.c: Include predict.h
1363 (strength_reduce): Drop branch prediction note in case
1364 number of iterations is known.
1365 * predict.def (PRED_LOOP_ITERATIONS): new.
1366 * Makefile.in (loop.o): Add dependency on predict.h
1368 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
1372 * c-typeck.c (c_start_case): Likewise.
1374 2001-06-12 Mark Mitchell <mark@codesourcery.com>
1376 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
1377 in a structure at a variable address.
1379 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1381 * doc/gcov.texi: Use more logical markup.
1383 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1385 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
1386 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
1387 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
1388 valid.
1390 2001-06-11 Stan Shebs <shebs@apple.com>
1392 * config/darwin.h (ASM_FILE_END): Remove decl of language_string.
1394 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1396 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
1397 as an early clobber to make sure it is not used by reload in
1398 one of the operands.
1400 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1402 * doc/c-tree.texi: Update information about flag_honor_std.
1403 * doc/install.texi: Note that binutils is required on HPUX 11.
1404 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
1405 now the default.
1407 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
1408 variable-sized types.
1410 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1412 * doc/md.texi: Use TeX dashes and quotes.
1414 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1416 * doc/rtl.texi: Reference manual chapter about trees.
1418 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1420 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
1421 (WINT_TYPE): Override.
1422 (WINT_TYPE_SIZE): Likewise.
1423 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
1425 * config/sparc/sol2.h (WINT_TYPE): Define.
1426 (WINT_TYPE_SIZE): Likewise.
1428 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
1429 (WINT_TYPE): Override.
1430 (WINT_TYPE_SIZE): Likewise.
1431 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
1432 (CPP_ARCH64_SPEC): Likewise.
1434 2001-06-11 Richard Henderson <rth@redhat.com>
1436 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
1437 with alias attribute.
1439 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
1440 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
1442 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1444 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
1446 2001-06-11 Stan Shebs <shebs@apple.com>
1448 * config/darwin.c (darwin_encode_section_info): Rewrite to simplify
1449 and fix coding mistakes.
1451 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
1453 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
1454 return string from m32r_output_block_move.
1455 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
1456 void function.
1457 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
1458 integer overflow.
1459 (ROUND_ADVANCE): Remove signed/unsigned conflict.
1460 * config/m32r/m32r.c: Declare prototypes for static functions.
1461 (move_src_operand): Replace INT32_P with UINT32_P.
1462 (function_arg_partial_nregs): Fixed signed/unsigned conflict
1463 in initialisation of 'size'.
1464 (m32r_sched_reord): Remove redundant declarations of 'code'.
1465 (m32r_output_block_move): Change to a void function.
1466 (m32r_encode_section_info): Cast return of
1467 TREE_STRING_POINTER to avoid compile time warning.
1469 2001-06-11 Richard Henderson <rth@redhat.com>
1471 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
1472 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
1473 (struct machine_function): Add gp_save_rtx.
1474 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
1475 (alpha_gp_save_rtx): New.
1476 * config/alpha/alpha-protos.h: Declare it.
1477 * config/alpha/alpha.md (exception_receiver): Make an expander.
1478 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
1480 2001-06-11 Richard Henderson <rth@redhat.com>
1482 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
1484 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1486 * configure.in: Align --help messages.
1487 Remove trailing full stops.
1488 Consistently use lower case.
1489 Fix DWARF 2 spelling.
1490 * configure: Rebuilt.
1492 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1494 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
1495 variants for .cpp/.cp/.c++ files.
1496 Move definition of __LANGUAGE_C_PLUS_PLUS ...
1497 (CPLUSPLUS_CPP_SPEC): ... here.
1499 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1501 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
1503 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1505 * c-decl.c (store_parm_decls): When comparing types in an
1506 old-style function declaration with those from a previous
1507 prototype, compare the unqualified versions of parameter types.
1508 Fixes PR c/3116.
1510 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1512 * doc/objc.texi: Use more logical markup. Use TeX dashes.
1514 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1516 * doc/c-tree.texi: Use more logical markup.
1518 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1520 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1522 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
1524 * loop.c (scan_loop): Do not combine asm statements.
1526 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1528 * simplify-rtx.c (simplify_subreg): Fix offset calculation
1529 for complex values within a CONCAT.
1531 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1533 * doc/install.texi: Update details of what components are included
1534 in the GCC distribution. Update default directory for g++
1535 includes. Update documentation relating to old libio. Adjust
1536 documentation on DejaGnu environment variables. Remove
1537 documentation of --enable-cpplib.
1539 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1541 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1542 markup.
1544 2001-06-10 Richard Henderson <rth@redhat.com>
1546 * ifcvt.c (life_data_ok): New.
1547 (merge_if_block): Use it to determine whether to update
1548 global_live_at_end.
1549 (if_convert): Set it.
1551 2001-06-10 Richard Henderson <rth@redhat.com>
1553 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1555 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1557 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1558 (SH Options): Document -mieee.
1559 * doc/install.texi (Final install): Remove obsolete information
1560 about installing cross compilers.
1561 * doc/gcc.1: Rebuilt.
1563 2001-06-10 Richard Henderson <rth@redhat.com>
1565 * config/alpha/alpha.c (override_options): Set align_loops,
1566 align_jumps, and align_functions.
1567 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1568 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1570 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1572 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1573 are one and two words in size.
1575 2001-06-10 Richard Henderson <rth@redhat.com>
1577 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1578 (Code Generation Options): Document -fnon-call-exceptions.
1580 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1582 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1584 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1586 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1588 2001-06-10 Mark Mitchell <mark@codesourcery.com>
1589 Gabriel Dos Reis <gdr@codesourcery.com>
1591 * Makefile.in (c-parse.o): Depend on diagnostic.h
1592 (dwarf2out.o): Likewise.
1594 * dwarf2out.c: #include diagnostic.h
1596 * toplev.h (warningcount, errorcount, sorrycount): Remove
1597 declarations.
1599 * toplev.c (warningcount, errorcount, sorrycount): Remove
1600 definitions.
1602 * diagnostic.h (struct output_buffer): Reorder fields.
1603 (diagnostic_kind_count): New macro.
1604 (errorcount, warningcount, sorrycount): Define as macros.
1605 (diagnostic_report_warnings_p): New macro.
1606 (output_state): Add diagnostic_count field.
1608 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1609 Remove tentative declaration.
1610 (count_error): Use diagnostic_report_warnings_p.
1612 * c-parse.in: #include diagnostic.h
1614 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1616 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1617 prefer a memory for operand 1.
1618 ("*addsi3"): Fix constraints, the '!' was too strong.
1619 ("*addsi3_split"): Accept soft register and split accordingly.
1621 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1623 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1624 Move definition in the RTX_CODE section.
1626 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1628 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1629 address as relative to the argument pointer.
1631 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1633 * predict.def (PRED_OPCODE): Place before call and error_return.
1635 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1637 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1638 * predict.c (estimate_probability): Calculate dominance
1639 information; improve detection of NORETURN heuristics;
1640 add call/error_return heuiristics; tweak comparison heuristics
1641 to recognize -1.
1643 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1645 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1646 (Debugging Options): Document -print-multi-directory and
1647 -print-multi-lib.
1648 * doc/gcc.1: Rebuilt.
1650 * toplev.c (independent_decode_option): Require `=' between
1651 `-aux-info' and filename in the same argument.
1652 * gcc.c: Don't pass -aux-info=filename twice.
1654 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1656 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1657 an array element with the known initializing value if it has
1658 side-effects.
1660 * toplev.c (rest_of_compilation): Remove dead code before
1661 purge_addressof.
1663 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1665 * cppinit.c (print_help): Document -fpreprocessed.
1666 * invoke.texi: Similarly.
1668 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1670 * predict.def: New file.
1671 * predict.h: New file.
1672 * predict.c: Include predict.h.
1673 (predictor_info): New structure and array.
1674 (predict_edge, predict_insn): Rewrite; make global.
1675 (predict_edge_def, predict_insn_def): New global functions.
1676 (dump_prediction, combine_predictions_for_insns): New
1677 static functions.
1678 (estimate_probability): Change calls to predict_edge
1679 to predict_edge_def and calls to predict_insn to predict_insn_def;
1680 combine probabilities.
1681 (expected_value_to_br_prob): Behave as predictor.
1682 * rtl.h (REG_BR_PRED): Update coment.
1683 (invert_br_probabilities): New.
1684 * jump.c: Include predict.h
1685 (duplicate_loop_exit_test): Drop branch prediction notes.
1686 (invert_jump): Use invert_br_probabilities.
1687 * Makefile.in: Add dependency on predict.h for jump and predict pass.
1688 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1689 * combine.c (distribute_notes): Handle BR_PRED.
1691 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1693 * predict.c (predict_insn, predict_edge): New static functions.
1694 (estimate_probability): Revamp to use new functions;
1695 fix loop header heruistics; add loop exist heruistics
1697 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1699 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1701 2001-06-09 Peter Jakubek <pjak@snafu.de>
1703 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1705 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1707 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1708 for integer operations that don't update C bit.
1710 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1712 * gthr-posix.h (__gthread_objc_init_thread_system): If
1713 pthread_key_create fails, it's not clear what the return value is.
1714 This obvious fix makes sure it always returns -1 if a problem
1715 occurs.
1717 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1719 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1720 more index entries. Use more logical markup where appropriate.
1721 Use TeX quotes and dashes.
1723 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1725 * unwind-pe.h: Conditionally qualify references to abort with
1726 std::.
1728 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1730 * doc/invoke.texi: Remove superfluous text.
1732 2001-06-08 Richard Henderson <rth@redhat.com>
1734 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1735 (LIB_SPEC): Mirror config/linux.h version.
1737 2001-06-08 Richard Henderson <rth@redhat.com>
1739 * except.c (get_exception_pointer, get_exception_filter): Take a
1740 struct function. Update all callers.
1741 * except.h (get_exception_pointer): Update declaration.
1742 * expr.c (expand_expr): Update get_exception_pointer call.
1743 * integrate.c (expand_inline_function): Remap the exception pointer
1744 from callee to caller.
1746 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1748 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1749 accurately reflect its cv-qualification.
1750 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1751 cv-qualifiers on function types.
1753 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1755 * basic-block.h: Improve comments.
1756 * except.c (expand_eh_region_end_allowed): Remove redundant call
1757 to do_pending_stack_adjust.
1758 * flow.c (life_analysis): Fix typo in comment.
1759 (calculate_global_regs_live): Add documentation.
1760 (mark_set_1): Likewise.
1761 (debug_regset): Likewise.
1762 * doc/rtl.texi (cond_exec): Document it.
1764 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1766 * i386.h (CONST_COSTS): set cost of constants representable in
1767 immediate fields to 0.
1769 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1771 * function.c (diddle_return_value): Kill code to determine
1772 return value before expand_function_end.
1773 (expand_function_end): Delay call to clobber_return_register
1774 after fucntion return value is computed.
1776 Re-install temporary reverted patch:
1777 * toplev.c (rest_of_compilation): Call split_all_insns
1778 before reg-stack and shorten-branches. Do shorten-branches
1779 after reg-stack.
1780 * final.c (shorten_branches): Remove insn splitting code.
1782 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1784 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1785 options. Use @opindex to index them rather than other indexing
1786 commands. Use @var{...} instead of <...>. Avoid spaces in names
1787 inside @var. Don't use @kindex to index escape sequences in
1788 source code.
1790 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1792 * stmt.c (current_nesting_level): New fn.
1793 * tree.h: Declare it.
1794 * c-semantics.c (genrtl_compound_stmt): Use it.
1796 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1798 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1800 * jump.c (mark_modified_reg): Allow jump threading if condition
1801 codes are represented by a hard register.
1803 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1805 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1806 for complex floats passed to unprototyped functions.
1808 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1810 * except.c (expand_eh_region_end_allowed): Call
1811 do_pending_stack_adjust as necessary.
1813 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1815 * function.c (clobber_return_register): Clobber the pseudo return
1816 register too.
1818 * sibcall.c (skip_unreturned_value): New function.
1819 (call_ends_block_p): Use it.
1821 * recog.c (split_insn): Break out from ...
1822 (split_all_insns): ... here; do not use basic block information
1823 when it is broken.
1825 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1827 * simplify-rtx.c (simplify_subreg): Fix verification of
1828 combined subreg.
1830 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1832 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1833 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1834 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1835 (CPLUSPLUS_CPP_SPEC): ... here.
1836 Fixes PRs c++/3047, target/441.
1838 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1840 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1842 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1844 * doc/gcc.texi: Add trailing slash to URL.
1846 2001-06-07 Stan Shebs <shebs@apple.com>
1848 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1849 (REDO_SECTION_INFO_P): Ditto.
1850 (STRIP_NAME_ENCODING): Ditto.
1851 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1852 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1853 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1854 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1855 * config/darwin.c: No longer include c-tree.h.
1856 (machopic_classify_ident): Rewrite to use symbol encoding.
1857 (lookup_name_darwin): Remove.
1858 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1859 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1860 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1861 (machopic_finish): Ditto, remove test of decl.
1862 (update_non_lazy_ptrs): New function.
1863 (darwin_encode_section_info): New function.
1864 * config/darwin-protos.h: Declare it.
1865 * config/rs6000/rs6000.c (machopic_output_stub): Use
1866 STRIP_NAME_ENCODING.
1868 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1870 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1871 (DECL_SOURCE_LINE): Likewise.
1873 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1875 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1876 from config/elfos.h.
1878 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1880 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1881 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1883 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1885 * doc/contrib.texi: Add copyright notice.
1887 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1889 * doc/md.texi: Use four digit years in copyright notice.
1891 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1893 * config.gcc: For $target_alias of athlon-*, set
1894 target_cpu_default2=5.
1896 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1898 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1899 end of last block if last real insn is a JUMP_INSN.
1901 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1903 * NEWS: Regenerate.
1905 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1907 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1908 pthread_t to objc_thread_t.
1909 (__gthread_objc_thread_id): Likewise.
1911 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1913 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1914 (ASM_OLDAS_SPEC): Likewise.
1916 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1917 (CPP_SUBTARGET_SPEC): Use it.
1918 (ASM_OLDAS_SPEC): Define.
1919 (ASM_SPEC): Use it.
1920 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1922 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1924 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1925 passed by reference.
1927 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1929 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1930 Document use of N_(...), and show it in examples. Note that
1931 documentation should be added to invoke.texi. Avoid an overfull
1932 hbox.
1934 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1936 * toplev.c (rest_of_compilation): Revert previous patch.
1937 * final.c (shorten_branches): Likewise.
1939 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1941 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1942 Remove.
1944 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1946 * doc/install-old.texi: Remove more obsolete documentation.
1948 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1950 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1952 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1954 * toplev.c (rest_of_compilation): Call split_all_insns
1955 before reg-stack and shorten-branches. Do shorten-branches
1956 after reg-stack.
1957 * final.c (shorten_branches): Remove insn splitting code.
1959 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1961 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1962 * configure: Rebuilt.
1964 2001-06-07 Andreas Jaeger <aj@suse.de>
1966 * emit-rtl.c (operand_subword): Remove unused variable.
1968 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1970 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1971 if TARGET_64BIT is false.
1972 (floatdi?f_i386_only): New insn.
1973 (floatdi?f_i386): Disable for !TARGET_64BIT.
1975 * (min?f, max?f splitters): Handle case where
1976 operands are cross-matched.
1978 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1979 (MMX_REGISTER_NAMES): Kill.
1980 (PRINT_OPERAND): Fix comment.
1981 (PRINT_REG): Likewise.
1982 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1983 (print_operand): Update comment; kill 'm'.
1985 * i386.c (x86_branch_hints): New global variable
1986 (print_operand): Support outputting of branch prediction hints.
1987 * i386.md (conditional jump patterns): Add branch prediction hints
1988 to the template.
1989 * i386.h (x86_branch_hints): Declare
1990 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1991 (PRINT_OPERAND_FUNCT_VALID_P): New.
1992 * final.c (final_forward_branch_p): New function.
1994 2001-06-06 Richard Henderson <rth@redhat.com>
1996 * flow.c (mark_used_reg): Clean up looping over multiple hard
1997 registers. Do conditional life bits across multiple hard regs.
1999 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
2001 * reload1.c (reload): Revert Schmidt's change so all USEs are not
2002 deleted during reload.
2004 2001-06-05 Mark Mitchell <mark@codesourcery.com>
2006 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
2007 functions here, instead of ...
2008 * c-decl.c (c_expand_body): ... here.
2010 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2012 * config.gcc, config/sparc/bsd.h: Do not directly include
2013 sparc/sparc.h. Instead do it via tm_file.
2015 2001-06-05 Richard Henderson <rth@redhat.com>
2017 * dwarf2.h (DW_EH_PE_aligned): New.
2018 * dwarf2asm.c (eh_data_format_name): Name it.
2019 (dw2_asm_output_encoded_addr_rtx): Align for it.
2020 * dwarf2out.c (output_call_frame_info): Handle it for personality
2021 routine and LSDA pointers.
2023 * unwind-pe.h (DW_EH_PE_aligned): New.
2024 (base_of_encoded_value): Handle it.
2025 (read_encoded_value_with_base): Likewise.
2026 * unwind-dw2-fde.c (base_from_object): Likewise.
2027 (get_cie_encoding): Likewise.
2029 * config/alpha/elf.h: Remove ecoff commentary.
2030 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2032 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2034 * config.gcc, config/i386/bsd386.h: Do not directly include
2035 i386/386bsd.h. Instead do it via tm_file.
2037 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2039 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
2040 way svr4.h does.
2042 2001-06-05 Pascal Obry <obry@act-europe.fr>
2044 * configure.in: Quote $enable_win32_registry in case the value has
2045 spaces in it.
2046 * configure: Ditto.
2048 2001-06-05 Mark Mitchell <mark@codesourcery.com>
2050 * print-rtl.c (xspaces): Remove.
2051 (print_rtx): Use printf field-width, rather than xpsaces, to
2052 indent.
2053 * toplev.c (main): Disable sibling-call optimization if we are
2054 handling exceptions.
2056 2001-06-05 Bernd Schmidt <bernds@redhat.com>
2058 * reload1.c (reload): Delete all USEs generated during reload.
2060 2001-06-05 scott snyder <snyder@fnal.gov>
2062 * gccbug.in: Fix typo.
2064 2001-06-05 Andreas Jaeger <aj@suse.de>
2066 * builtins.def: Fix definition of __builtin_cosf, it uses float as
2067 parameter and return value.
2069 2001-06-04 Anthony Green <green@redhat.com>
2071 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
2072 machine. This is now done in sparc.h.
2074 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2076 Correct CVS resurrection of invoke.texi.
2077 * doc/invoke.texi: Document new tree dump flags.
2079 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2081 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
2082 for casting an aggregate to its own type. Fixes PR c/2735.
2084 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2086 * doc/texinfo.tex: Update to version 2001-05-24.08.
2088 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2090 * c-common.h (flag_dump_translation_unit): Remove.
2091 (enum tree_dump_index): Define.
2092 (TDF_ADDRESS, TDF_SLIM): New #defines.
2093 (dump_node_to_file): Remove.
2094 (dump_node): Make extern. Add flags.
2095 (dump_flag, dump_enabled_p, dump_begin, dump_end,
2096 dump_switch_p): Prototype.
2097 * c-common.c (flag_dump_translation_unit): Remove.
2098 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
2099 logic. Use dump_switch_p.
2100 * c-dump.h (struct dump_info): Add node and user fields.
2101 (dump_pointer): Declare.
2102 * c-dump.c (dump_node): Make extern. Add flags.
2103 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
2104 (dump_new_line, dump_maybe_newline): Use them.
2105 (dump_pointer): New function.
2106 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
2107 chain or function's body. Dump address, if TDF_ADDRESS set.
2108 (dump_flag): Define.
2109 (dump_node_to_file): Remove.
2110 (struct dump_file_info): New struct.
2111 (dump_files): New array.
2112 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
2113 * c-lang.c (finish_file): Adjust dumping.
2114 * toplev.h (dump_base_name): Make extern.
2115 * invoke.texi: Document new flags.
2117 2001-06-04 Mark Mitchell <mark@codesourcery.com>
2119 * c-tree.h (lang_decl): Add pending_sizes fields.
2120 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
2121 functions.
2122 (c_expand_body): Expand them.
2123 (lang_mark_tree): Mark lang_decl:pending_sizes.
2124 * function.c (expand_pending_sizes): New function, broken out
2125 from ...
2126 (expand_function_start): ... here.
2127 * tree.h (expand_pending_sizes): Declare it.
2129 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
2131 * doc/install.texi: Update FreeBSD information. Generalize
2132 and update information for alpha-based platforms using ELF.
2134 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2136 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
2137 (store_parm_decls): Likewise.
2138 * c-typeck.c (convert_arguments): Likewise.
2140 2001-06-04 Richard Henderson <rth@redhat.com>
2142 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
2143 optimization if current_function_calls_setjmp.
2145 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
2147 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
2148 wide strings.
2150 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2152 * simplify-rtx.c (simplify_subreg): Fix combining of
2153 paradoxical subregs.
2155 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2157 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
2158 (no_labels_between_p): Short circuit case beg==end.
2160 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2162 * rtlanal.c (operand_preference): Fix preference for objects.
2164 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2166 * gcse.c (handle_avail_expr): Be prepared to handle single_set
2167 parallels.
2169 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2171 * combine.c (if_then_else_cond): Use simplify_subreg instead
2172 of operand_subword.
2173 * integreate.c (sub_constants): Likewise.
2175 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2177 * emit-rtl.c (constant_subword): Deprecate; remove most of code
2178 and use simplify_gen_subreg.
2180 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
2182 * sibcall.c (skip_copy_to_return_value): recognize the situation
2183 when the called function's return value is copied into an
2184 intermediate pseudo, and then into the calling functions return
2185 value register.
2187 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2189 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
2190 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
2191 in case register wasn't OK previously, accept it now; allow
2192 subregs of frame pointer if reload completed and frame pointer
2193 is not needed.
2195 * combine.c (sombine_simplify_rtx): Fix comment;
2196 use subreg_lowpart_offset instead of subreg_lowpart_p
2197 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
2198 * rtl.h (subreg_lowpart_parts_p): Kill.
2199 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
2200 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
2201 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
2202 (gen_lowpart_common): Likewise.
2203 (subreg_lowpart_p): Likewise.
2204 (subreg_lowpart_parts_p): Kill.
2205 (subreg_lowpart_offset, subreg_highpart_offset): New function.
2207 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
2208 to simplify SUBREG and REG.
2209 (gen_highpart): Use simplify_gen_subreg for all simplifications.
2211 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
2212 CONCAT specially.
2214 * rtlanal.c (replace_regs): Use simplify_gen_subreg
2216 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2218 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
2219 (ARRAY_RANGE_REF): Added description.
2221 * tree.def (ARRAY_RANGE_REF): New code.
2222 * alias.c (handled_component_p, can_address_p): Handle it.
2223 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2224 * explow.c (set_mem_attributes): Likewise.
2225 * expr.c (expand_assignment, get_inner_reference): Likewise.
2226 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
2227 * fold-const.c (operand_equal_p): Likewise.
2228 * tree.c (staticp, stabilize_reference): Likewise.
2229 * varasm.c (decode_addr_const): Likewise.
2231 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2233 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
2234 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
2236 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
2238 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
2239 mark_constant_pool_use before output_addr_const.
2240 (struct pool_node): New field wend.
2241 (add_constant): Note a sequence of constants that are referenced
2242 by a given label.
2243 (pool_window_label, pool_window_last): New variables.
2244 (dump_table): Emit a unspec_volatile representing the end of a
2245 sequence of constants.
2246 (mark_constant_pool_use): New function.
2247 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
2248 (consttable_2): Add the second operand which flags whether
2249 this consttable entry was used or not.
2250 (consttable_4, consttable_8, consttable_sf, consttable_df):
2251 Likewise.
2252 (consttable_window_end): New insn.
2254 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2256 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
2257 Reformat according to coding standards.
2259 Warning removal.
2260 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
2261 (shl_and_kind): Cast wide constant.
2262 (gen_far_branch): Define as static, as in declaration.
2263 (barrier_align): Compute cache-line length as unsigned. Add
2264 parentheses in initial credit computation.
2265 (rounded_frame_size): Add parentheses.
2266 (permanent_obstack): Remove declaration. Include ggc.h for
2267 declaration of ggc_add_root_rtx().
2268 (get_free_reg): Removed declaration of unused variable reg.
2269 (legitimize_pic_address): Mark mode argument as unused.
2271 2001-06-03 Igor Shevlyakov <igor@windriver.com>
2273 * config/sh/sh.c (output_branch): Support for insn with lenght
2274 attr 12 & 16 which represents cond branches outside +-4096 range.
2276 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2278 * config/sh/lib1funcs.asm (ic_invalidate): Align the
2279 cache-mirroring sequence. Add nops.
2281 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
2283 * doc/install-old.texi: Remove more old installation
2284 documentation.
2285 * doc/install.texi: Add relevant parts here.
2287 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2289 * doc/install.texi2html: New script.
2291 2001-06-03 David Edelsohn <edelsohn@gnu.org>
2293 * doc/install.texi: Update AIX information again.
2295 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2297 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
2298 installation documentation.
2299 * doc/install.texi: Move it to here.
2301 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2303 * doc/install.texi: Clean up Texinfo markup.
2305 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2307 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
2308 to just after title page.
2310 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2312 * doc/install-old.texi: Remove documentation of some configuration
2313 options.
2314 * doc/install.texi: Add relevant parts of this documentation here.
2316 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2318 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
2319 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
2321 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2323 * i386.md (all uses of ext_register_operand): Make sure they are
2324 VOIDmode; replace all uses outside zero_extend.
2325 (and?i splitters): Use ext_register_operands.
2326 (test?i peep2): Remove ignored constraints.
2327 * i386.c (ext_register_operand): Check that operand is
2328 either pseudo or hard or 'Q' register.
2330 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 * tree.h (struct record_layout_info_s): New field unpadded_align.
2333 (set_lang_adjust_rli): New declaration.
2334 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
2335 it would have if not packed, do not downgrade DECL_ALIGN.
2336 (lang_adjust_rli, set_lang_adjust_rli): New.
2337 (start_record_layout): Initialize new field unpadded_align.
2338 (debug_rli): Display it.
2339 (place_union_field, place_field): Set it.
2340 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
2342 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
2343 mean that; use proper names instead.
2344 Print DECL_NO_STATIC_CHAIN.
2346 * except.c (expand_builtin_frob_return_addr): Add missing call
2347 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
2348 (expand_builtin_eh_return): Likewise.
2349 (expand_eh_return): Clean up ptr_mode != Pmode cases.
2351 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
2353 * doc/invoke.texi: Remove references to papers about sequence points
2354 to readings.html, refer to that page.
2356 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2358 * README: Update references to installation instructions.
2360 2001-06-01 Laurent Guerby <guerby@acm.org>
2361 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2363 * doc/install.texi: Define srcdir when sources come from CVS.
2364 Significantly improve markup. Wrap overly long lines
2366 2001-06-01 DJ Delorie <dj@redhat.com>
2368 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
2369 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
2370 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
2371 gcov.1: Move to doc subdirectory.
2372 * install.texi: Move to doc/install-old.texi.
2373 * gcc.texi: Move to doc, refer to install-old.texi.
2374 * Makefile.in: Reflect move of docs to doc/.
2375 * f/Make-lang.in: Ditto.
2376 * java/Make-lang.in: Ditto.
2377 * doc/.cvsignore: New.
2379 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2381 * invoke.texi: use two spaces between command options, eliminate
2382 some 'overfull hboxes'
2384 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
2386 * Makefile.in (s-mlib): Make backtick-commands always succeed.
2387 (DRIVER_DEFINES): Ditto.
2389 2001-05-31 Richard Henderson <rth@redhat.com>
2391 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
2392 also link against libgcc.a.
2394 2001-05-31 Geoff Keating <geoffk@cygnus.com>
2396 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
2397 * config/mips/mips.c (mips_output_ascii): New function.
2398 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
2400 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
2402 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2404 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
2405 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
2407 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
2409 * install.texi (Configuration): Add html links for --with-gnu-as &
2410 --with-gnu-ld and refer to them from hppa & SCO triplets.
2411 (Specific): Link back to with-gnu-ld for all ELF platfoms.
2412 (Specific): Reword AVR binutils recommendation.
2414 2001-05-30 Zack Weinberg <zackw@stanford.edu>
2416 * ggc-page.c (size_lookup): Increase minimum allocation size
2417 to eight bytes.
2418 (ggc_print_statistics): Report size of each bin in bytes, not
2419 as its order; there is no longer a direct relationship.
2421 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2423 * extend.texi: Fix formating of examples, eliminate some
2424 'overfull hboxes'.
2425 * gcc.texi: Eliminate some 'overfull hboxes'.
2426 * invoke.texi: Use two spaces between command options, eliminate
2427 some 'overfull hboxes'.
2429 2001-05-30 Richard Henderson <rth@redhat.com>
2431 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
2433 2001-05-30 Tom Tromey <tromey@redhat.com>
2435 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
2436 use it in the new association.
2438 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
2439 John David Anglin <dave@hiauly1.hia.nrc.ca>
2441 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
2442 to target type to allow ISO C++ compiler to accept it.
2443 * gthr-dce.h (__gthread_active_ptr): Likewise.
2444 * gthr-solaris.h (__gthread_active_ptr): Likewise.
2446 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2448 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
2449 so that we do accept comments in preprocessed input.
2451 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2453 * cpphash.c (alloc_node): Cast allocated pointer.
2455 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
2457 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
2459 2001-05-29 Stan Shebs <shebs@apple.com>
2461 * gcc.texi: Add links for information about Objective-C.
2463 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
2465 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
2466 /bin/sed fails on [^\"]).
2467 (configargs.h): Likewise.
2469 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
2471 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
2473 2001-05-28 Stan Shebs <shebs@apple.com>
2475 * objc/objc.gperf: Remove, no longer used.
2477 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
2479 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
2480 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
2481 Remove trailing whitespace.
2483 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2485 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
2486 became http://freeware.sgi.com/.
2488 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
2490 * local-alloc.c (update_equiv_regs): Don't eliminate constant
2491 expressions at -O0.
2493 2001-05-27 Stan Shebs <shebs@apple.com>
2495 * objc/objc-act.c: Add/fix various comments.
2496 (init_selector): Remove, no longer used.
2497 (build_msg_pool_reference): Ditto.
2498 (objc_debug): Ditto.
2500 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2502 * c-decl.c (init_decl_processing):
2503 Don't call start_identifier_warnings.
2504 * flags.h (warn_id_clash, id_clash_len): Remove.
2505 * stringpool.c: Don't include flags.h.
2506 (scan_for_clashes, do_identifier_warnings,
2507 start_identifier_warnings): Remove.
2508 * toplev.c (warn_id_clash, id_clash_len): Remove.
2509 (display_help): Don't document -Wid-clash.
2510 (decode_W_option): Print warning on -Wid-clash.
2511 * tree.h (start_identifier_warnings): Remove.
2512 * invoke.texi: Remove documentation of -Wid-clash.
2514 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2516 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
2518 2001-05-27 Bruce Korb <bkorb@gnu.org>
2520 * fixinc/check.tpl(HACK) add and use a Scheme variable
2521 (has no test text): error out if no "test_text" is defined
2522 * fixinc/fixincl.tpl: likewise
2523 (FIXIDX): make it an enumeration so we minimize diffs
2524 * fixinc/inclhack.def: re-alphabetize and add sort instructions
2525 * fixinc/fixincl.x: regenerate
2526 * fixinc/tests/base/stdio.h: test output got moved due to
2527 the alphabetizing
2528 * README-fixinc: rewrite (mostly)
2530 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2532 * cpplib.c (run_directive): Set pfile->directive.
2534 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2536 * c-tree.texi: Reformat the manual as a single chapter now
2537 included by gcc.texi.
2538 * gcc.texi: Include c-tree.texi. Merge all indexes.
2539 * Makefile.in (dvi): Add generation for the cppinternals
2540 documentation. Added dependencies on fdl.texi and c-tree.texi
2541 where appropriate. Use TEXI2DVI instead of custom tex calls.
2542 (info): Added dependencies on fdl.texi and c-tree.texi where
2543 appropriate. Remove the target c-tree.info.
2545 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
2547 * combine.c (try_combine): Fix typo in comment.
2548 * expr.c (expand_expr): Likewise.
2549 * config/i370/i370.md (untyped_call): Likewise.
2551 2001-05-26 Bruce Korb <bkorb@gnu.org>
2553 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2554 when fixincl is operating in test mode
2555 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2556 (AAB_ultrix_limits): remove redundant text
2557 (AAB_ultrix_memory): ditto
2558 (AAB_ultrix_string): ditto
2559 (djgpp_wchar_h): fix the test text
2560 (irix_stdio_va_list): add test text
2561 (irix_limits_const): add a testing output file (limits.h is overwritten)
2562 (strict_ansi_not_ctd): put limits.h second in list for same reason
2563 (solaris27_mutex_init): test text needed selection text, too
2565 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2566 when fixincl is operating in test mode
2568 2001-05-26 Philip Blundell <philb@gnu.org>
2570 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2571 * config/i960/i960-protos.h: Likewise.
2572 * config/i370/i370-protos.h: Likewise.
2573 * config/h8300/h8300-protos.h: Likewise,
2574 * config/sh/sh-protos.h: Likewise.
2575 * config/v850/v850-protos.h: Likewise.
2577 2001-05-26 Philip Blundell <philb@gnu.org>
2579 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2581 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2583 * toplev.c (debug_args, f_options, W_options): Mark
2584 descriptions for translation.
2585 (display_help): Translate descriptions on output.
2587 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2588 objc/lang-options.h: Mark descriptions for translation.
2590 * aclocal.m4: Quote final argument of patsubst. Use
2591 3-argument form of AC_DEFINE. Restore quotes to [] while
2592 using AC_FD_CC.
2593 * configure.in: Remove unnecessary changequote calls.
2594 * configure, config.in: Regenerate.
2596 2001-05-25 Sam TH <sam@uchicago.edu>
2598 * basic-block.h: Fix header include guards.
2599 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2600 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2601 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2602 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2603 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2604 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2605 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2606 varray.h version.h: Likewise.
2607 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2608 config/arm/arm.h config/c4x/c4x-protos.h
2609 config/h8300/h8300-protos.h config/h8300/h8300.h
2610 config/i370/i370-protos.h config/i370/i370.h
2611 config/i960/i960-protos.h config/mcore/mcore.h
2612 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2613 config/v850/v850-protos.h config/v850/v850.h: Likewise.
2614 * fixinc/fixlib.h fixinc/server.h: Likewise.
2616 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2618 * config/arc/initfini.c (.init): Fix typo.
2620 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
2622 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2624 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2626 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2628 2001-05-25 Richard Henderson <rth@redhat.com>
2630 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2632 2001-05-25 Richard Henderson <rth@redhat.com>
2634 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2635 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2636 (sparc*-*-solaris2): Likewise.
2637 * config/t-linux: Remove shared libgcc macros.
2638 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2639 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2641 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2643 * config.gcc (*-*-freebsd*): Report bad configuration.
2645 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2647 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2649 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2650 any prefix.
2651 (ASM_OUTPUT_LABELREF): Delete.
2653 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2655 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2656 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2657 * fixinc/fixincl.x: Regenerate.
2658 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2659 (FIX_TEST_TABLE): Declare it.
2660 * fixinc/fixlib.h: Include config.h.
2662 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2664 * fixinc/inclhack.def (alpha___assert): Change char * args to
2665 const char * on Tru64 UNIX to avoid excessive warnings from
2666 assert.h.
2667 * fixinc/fixincl.x: Regenerate.
2669 2001-05-25 Geoff Keating <geoffk@redhat.com>
2671 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2672 outputting a tag only for variable-size records.
2674 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2676 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2677 instead of rtx_equal_p for early clobber test.
2679 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2681 * builtins.def: Encode additional information, such as names and
2682 types, here.
2683 * builtin-types.def: New file.
2684 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2685 (built_in_decls): Likewise. Don't explicitly initialize global
2686 data to NULL.
2687 (expand_builtin_mathfn): Handle float and long double variants of
2688 math builtins.
2689 (expand_builtin): Likewise.
2690 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2691 (expand_tree_builtin): Handle long, long long, float, and long
2692 double variants of math functions.
2693 * c-common.h (c_tree_index): Remove some unused nodes.
2694 (void_ftype): Remove.
2695 (void_type_ptr): Likewise.
2696 (int_ftype_int): Likewise.
2697 (ptr_ftype_sizetype): Likewise.
2698 * c-decl.c (init_decl_processing): Remove creation of DWARF
2699 builtins.
2700 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2701 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2702 * Makefile.in (c-common.o): Depend on builtin-types.def.
2704 2001-05-25 Dale Johannesen <dalej@apple.com>
2706 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2708 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2710 * c-parse.in (notype_initdcl): Remove redundant line.
2712 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2714 * aclocal.m4: Fixed typo.
2715 (gcc_AC_HEADER_STDBOOL): Define.
2716 (gcc_AC_C__BOOL): Define.
2717 * configure.in: Use them.
2718 (AC_CHECK_HEADERS): Remove stdbool.h
2719 * configure, config.in: Regenerate.
2721 2001-05-25 Richard Henderson <rth@redhat.com>
2723 * function.c (expand_function_start): Don't abort on PARALLEL
2724 returns from hard_function_value.
2726 2001-05-25 Richard Henderson <rth@redhat.com>
2728 * config/i386/i386.md: Revert previous change. Do not apply
2729 the peephole if the components do not die after the sequence.
2731 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2733 * c-parse.in (array_declarator): New. Handle C99 constructs.
2734 Don't restrict [*] declarators to C only.
2735 (after_type_declarator, parm_declarator_starttypename,
2736 parm_declarator_nostarttypename, notype_declarator,
2737 direct_absdcl1): Use it.
2738 * c-decl.c (build_array_declarator, set_array_declarator_type):
2739 New functions. Warn that [*] isn't properly implemented; pedwarn
2740 for [*] outside C99 mode if pedantic rather than giving a hard
2741 error.
2742 (grokdeclarator): Handle static and type qualifiers in parameter
2743 array declarators.
2744 * c-tree.h (build_array_declarator, set_array_declarator_type):
2745 Declare.
2746 * extend.texi (Attribute Syntax): Document attributes in parameter
2747 array declarators.
2749 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2751 * config/i386/i386.md: Make sure cmpstr peepholes do not
2752 affect liveness information.
2754 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2756 * c-typeck.c (digest_init): Issue error messages about
2757 invalid constants, not warnings.
2759 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2761 * invoke.texi (-fno-builtin): Document that this is always on
2762 in C++.
2764 2001-05-24 Philip Blundell <philb@gnu.org>
2766 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2767 required.
2769 2001-05-24 Philip Blundell <philb@gnu.org>
2771 * config/arm/arm.c (output_return_instruction): Correctly handle
2772 interworking and interrupt functions.
2774 2001-05-24 Philip Blundell <philb@gnu.org>
2776 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2777 -m{no-}sched-prolog. Fix typos and improve formatting.
2779 2001-05-24 Philip Blundell <philb@gnu.org>
2781 * invoke.texi (ARM Options): Improve wording slightly. Add
2782 documentation for more options, including those for Thumb mode.
2783 Don't mention options that don't exist or are unimplemented.
2784 (Thumb Options): Delete; merged into above section.
2786 2001-05-24 Geoff Keating <geoffk@redhat.com>
2788 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2789 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2791 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2793 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2794 fix hard register simplification.
2796 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2798 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2799 of just copying CPP_CPU_SPEC.
2801 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2803 * i386.c (incdec_operand): Accept only 1 and -1.
2805 2001-05-23 Kelley Cook <kelley.cook@home.com>
2807 * Makefile.in: Move many of the *_H definitions eariler in the
2808 file, so that rules in t-* files that use them for
2809 dependencies will work in a parallel build.
2810 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2812 2001-05-23 Richard Henderson <rth@redhat.com>
2814 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2816 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2818 * cpp.texi: Update for handling of charconsts.
2819 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2820 diagnostics. Skip to the end if the UCS is too short.
2821 (cpp_interpret_charconst): Long charconsts issue a warning
2822 not an error.
2824 2001-05-23 Richard Henderson <rth@redhat.com>
2826 * doc/install.texi (alpha-linux): Require binutils 2.11.
2828 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2830 * c-lex.c (read_escape, read_ucs): Delete.
2831 (lex_string): Use cpp_parse_escape.
2832 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2833 if not C++ or not C99. Warn if traditional.
2834 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2835 unsigned. Warn for out-of-range escape sequences here.
2836 Update to use maybe_read_ucs.
2837 (cpp_interpret_charconst): Don't warn here.
2838 * cpplib.h (cpp_parse_escape): New exported function.
2840 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2842 * extend.texi (Attribute Syntax): Clarify application of
2843 attributes to parameters declared as functions or arrays.
2845 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2847 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2849 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2851 * diagnostic.c (vnotice): Kill.
2852 (fnotice): Call vfprintf directly.
2853 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2854 verbatim, set_diagnostic_context): Rename string argument to
2855 indicate that it is run through gettext.
2856 (vbuild_message_string, build_message_string, output_do_printf):
2857 Rename string argument to indicate that it is NOT run through
2858 gettext.
2859 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2860 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2861 Run msgid argument through gettext.
2862 (default_print_error_function): Run constant strings through
2863 gettext when nothing else will.
2864 (fatal_error, internal_error, error_recursion): Use fnotice.
2865 Present complete sentences to gettext.
2867 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2869 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2871 2001-05-23 Richard Henderson <rth@redhat.com>
2873 * function.c (expand_function_start): Always use a pseudo
2874 for the function result value.
2876 2001-05-22 Richard Henderson <rth@redhat.com>
2878 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2879 section pointer alignment.
2881 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2883 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2884 of __USER_LABEL_PREFIX__.
2886 2001-05-22 Richard Henderson <rth@redhat.com>
2888 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favor of...
2889 (__deregister_frame_info_bases): New.
2890 * unwind-dw2-fde.h: Declare it.
2891 * libgcc-std.ver: Export it.
2892 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2893 called __register_frame_info_bases.
2895 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2897 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2898 instead of #elif (which is OK for this case but not in general).
2900 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2902 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2903 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2904 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2905 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2906 "r2" to the assembly file. Only issue allocs with nonzero parameters.
2908 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2909 David O'Brien <obrien@freebsd.org>
2911 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2912 configure-time options and target version of FreeBSD. Set-up
2913 to match architectural change in threading support. Correctly
2914 report when -pthread option is not supported by configure-time
2915 options.
2916 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2917 and extend to encode target version number in run-time setting
2918 of __FreeBSD__ macro to match the system compiler.
2919 (CPP_PREDEFINES): Likewise.
2920 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2922 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2923 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2925 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2926 David O'Brien <obrien@freebsd.org>
2928 * config.gcc (the unlabeled system switch statement): Add
2929 generic configuration section to handle *-*-freebsd*. Also,
2930 to match the system compiler, default to threading support (it
2931 may be disabled with the standard --disable-threads
2932 configuration-time switch).
2933 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2934 (alpha*-*-freebsd* in machine-specific section): Likewise.
2936 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2937 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2938 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2939 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2940 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2942 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2943 David O'Brien <obrien@freebsd.org>
2945 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2946 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2947 -pthread instead setting macro.
2949 2001-05-22 Richard Henderson <rth@redhat.com>
2951 * crtstuff.c (__register_frame_info_bases): Declare.
2952 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2953 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2955 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2956 (CRT_GET_RFIB_DATA): New.
2957 * config/i386/sysv4.h: Likewise.
2958 * config/i386/sco5.h: Likewise.
2959 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2961 2001-05-22 Richard Henderson <rth@redhat.com>
2963 * rtl.c (read_string): Break out from ...
2964 (read_rtx): ... here.
2966 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2968 * doc/install.texi (Specific): Remove a bogus and duplicate part
2969 copied from the end of the document.
2971 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2973 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2975 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2977 * install.texi: Remove obsolete information on SunOS as well as
2978 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2979 (Installing GNU CC on the Sun): Remove section.
2981 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2983 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2984 keep errno unchanged on success.
2986 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2988 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2989 once for hexadecimal floats, whether or not they contain a decimal
2990 point. Don't let the setting of pedantic otherwise affect the
2991 parsing of hexadecimal floats.
2993 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2995 * README.ACORN: Remove obsolete file.
2997 2001-05-22 Jan Hubicka <jh@suse.cz>
2999 * combine.c (gen_binary): Use swap_commutative_operands_p
3000 (simplify_comparison): Likewise.
3001 * expmed.c (emit_store_flag): Likewise.
3002 * expr.c (compare_from_rtx): Likewise.
3003 (do_compare_rtx_and_jump): Likewise.
3004 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
3005 if not emitting a branch and operands want swapping.
3007 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
3009 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
3010 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
3011 (maybe_get_identifier): Update.
3012 * tree.h (make_identifier): Delete.
3014 2001-05-21 Richard Henderson <rth@redhat.com>
3016 * combine.c (subst): Do not substitute for a register as
3017 a destination subreg/strict_low_part/zero_extract.
3019 * combine.c (simplify_comparison): Update op1 after constant
3020 extension.
3021 * recog.c (const_int_operand): Accept only constants valid
3022 for the given mode.
3023 * genrecog.c: Update comments wrt const_int_operand.
3025 * emit-rtl.c (init_emit_once): Zero unused memory in a
3026 CONST_DOUBLE.
3028 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3030 * tree.h (type_num_arguments): Declare it.
3031 * tree.c (type_num_arguments): New function.
3033 2001-05-21 Richard Henderson <rth@redhat.com>
3035 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
3036 conditional ifdef.
3038 2001-05-21 Geoff Keating <geoffk@redhat.com>
3040 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
3041 (maxsf3+1): Delete.
3042 (minsf3): Use rs6000_emit_minmax.
3043 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
3044 rs6000_emit_minmax.
3045 (movsfcc): Use rs6000_emit_cmove.
3046 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
3047 Don't generate emit_fselsfsf4.
3048 (fseldfsf4): Likewise.
3049 (maxdf3): Use rs6000_emit_minmax.
3050 (maxdf3+1): Delete.
3051 (mindf3): Use rs6000_emit_minmax.
3052 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
3053 rs6000_emit_minmax.
3054 (movdfcc): Use rs6000_emit_cmove.
3055 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
3056 Don't generate emit_fselsfsf4.
3057 (fselsfdf4): Likewise.
3058 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
3059 (min_max_operator): New predicate.
3060 (rs6000_emit_cmove): New function.
3061 (rs6000_emit_minmax): New function.
3062 * config/rs6000/rs6000-protos.h: Prototype new functions.
3063 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
3064 and min_max_operator.
3066 * config/rs6000/rs6000.c (output_cbranch): Handle all
3067 conditional types in the switch statement.
3069 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3071 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
3072 non-register variables.
3073 * extend.texi: Document that asm-specifications do not make sense
3074 for non-static local variables.
3076 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
3078 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
3079 (dbxout_type_fields): Lose minimal_debug support.
3080 (dbxout_type_methods, dbxout_type): Likewise.
3082 2001-05-17 Andrew Haley <aph@redhat.com>
3084 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3086 2001-05-21 Richard Henderson <rth@redhat.com>
3088 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
3089 Update all users.
3091 2001-05-20 Richard Henderson <rth@redhat.com>
3093 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3094 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
3095 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
3096 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3097 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
3098 Likewise.
3099 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3100 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
3101 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
3102 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3103 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3104 DEBUG_PUBNAMES_SECTION): Rename as above.
3105 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3107 2001-05-20 Richard Henderson <rth@redhat.com>
3109 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
3110 operands unless the operation is commutative.
3112 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3114 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
3115 cases.
3117 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
3119 * extend.texi: Clarify documentation of extensions included in ISO
3120 C99. Prefer C99 terminology and syntax to old GNU terminology and
3121 syntax. Add more index entries. Document mixed declarations and
3122 code as an extension in C89 mode. Warn about future changes to
3123 semantics of inline functions. Fixes PR other/930.
3125 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3127 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
3128 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3129 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
3130 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3132 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
3134 2001-05-20 Richard Henderson <rth@redhat.com>
3136 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
3137 to be output before a branch.
3139 2001-05-20 Richard Henderson <rth@redhat.com>
3141 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
3143 2001-05-20 Richard Henderson <rth@redhat.com>
3145 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
3146 (ASM_DOUBLE): Remove.
3147 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
3148 * config/i386/sun386.h: Likewise.
3150 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
3151 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
3153 * config/i386/cygwin.h (INT_ASM_OP): Remove.
3154 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
3155 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
3156 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
3158 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
3159 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
3160 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
3161 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
3162 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
3163 * config/i386/win32.h: Likewise.
3165 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3167 * invoke.texi: Add more options to summary list.
3169 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3171 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
3172 used. Fixes PR c/2291.
3173 * gcc.1: Regenerate.
3175 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3177 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
3178 the -fpic and -fPIC options, clear flag_pic.
3180 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3182 * hashtable.c (calc_hash): Fix HASHSTEP definition.
3183 * stringpool.c (make_identifier): No statistics here anymore.
3184 * objc-act.c (steup_string_decl): Remove redundant check.
3186 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3188 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
3189 cpplib.o, cpphash.o, fix-header): Update.
3190 (hashtable.o): New target.
3191 * c-common.h: Include cpplib.h. Define C_RID_CODE and
3192 struct c_common_identifier here.
3193 * c-lang.c (c_init_options): Update. Call set_identifier_size.
3194 * c-lex.c (c_lex): Update.
3195 * c-pragma.h: Update.
3196 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
3197 Delete rid_code.
3198 (C_RID_CODE): Delete.
3199 * cpphash.c: Rewrite to use hashtable.c.
3200 * cpphash.h: Update include guards.
3201 (struct cpp_reader): Remove hashtab.
3202 hash_ob and buffer_ob are no longer pointers. Add hash_table
3203 and our_hashtable.
3204 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
3205 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
3206 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
3207 * cppinit.c (cpp_create_reader): Update.
3208 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
3209 (cpp_interpret_charconst): Eliminate warning.
3210 * cpplib.c (do_pragma, do_endif, push_conditional,
3211 cpp_push_buffer, cpp_pop_buffer): Update.
3212 (_cpp_init_stacks): Rename cpp_init_directives.
3213 (_cpp_cleanup_stacks): Remove.
3214 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
3215 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
3216 cpp_forall_identifiers, cpp_create_reader): Update.
3217 (C_RID_CODE, cpp_make_node): New.
3218 (c_common_identifier): New identifier node for C front ends.
3219 * cppmain.c (main): Update.
3220 * fix-header.c (read_scan_file): Update.
3221 * flags.h (id_clash_len): Make unsigned.
3222 * ggc.h (ggc_mark_nonnull_tree): New.
3223 * hashtable.c: New.
3224 * hashtable.h: New.
3225 * stringpool.c: Update comments and copyright. Update to use
3226 hashtable.c.
3227 * toplev.c (approx_sqrt): Move to hashtable.c.
3228 (id_clash_len): Make unsigned.
3229 * toplev.h (ident_hash): New.
3230 * tree.c (gcc_obstack_init): Move to hashtable.c.
3231 * tree.h: Include hashtable.h.
3232 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
3233 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
3234 (struct tree_identifier): Update.
3235 (make_identifier): New.
3236 cp:
3237 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
3238 (C_RID_CODE): Remove.
3239 * lex.c (cxx_init_options): Call set_identifier_size. Update.
3240 (init_parse): Don't do it here.
3241 objc:
3242 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
3244 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
3246 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
3247 as ncessary.
3248 (expand_eh_return): Convert between word_mode and Pmode.
3249 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
3250 are the same size.
3251 (execute_stack_op): Likewise.
3252 (execute_cfa_program): Likewise.
3253 (uw_frame_state_for): Likewise.
3254 (uw_update_context_1): Likewise.
3255 * unwind.inc (_Unwind_Reason_Code): Likewise.
3256 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
3257 (EH_RETURN_STACKADJ_RTX): Likewise.
3258 * config/mips/mips.c (compute_frame_size): Make space for saving
3259 EH return registers.
3260 (mips_expand_epilogue): Handle EH stack adjustments.
3261 * config/mips/mips.md (eh_return): New pattern.
3262 (eh_set_lr_si): Likewise.
3263 (eh_set_lr_di): Likewise.
3264 Add splitter to perform EH return after reload.
3266 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3268 * jump.c (mark_jump_label): Tidy previous change.
3270 2001-05-19 Bruce Korb <bkorb@gnu.org>
3272 * fixinc/genfixes: no need for two warnings
3273 * fixinc/Makefile.in: open stdin for those building with a closed one.
3275 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3277 * jump.c (jump_optimize_1): Tidy.
3278 (mark_jump_label): When changing the label in a LABEL_REF, change
3279 update any REG_EQUAL notes as well.
3281 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
3283 * c-parse.in (parm_declarator): Split into
3284 parm_declarator_starttypename and parm_declarator_nostarttypename.
3285 (parm_declarator_starttypename, parm_declarator_nostarttypename):
3286 New. Allow parenthesized sub-declarators which don't begin with a
3287 TYPENAME. Fixes PR c/166.
3289 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3291 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
3292 macro.
3293 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3294 Document it.
3295 * toplev.c (main): If the target does not allow profiling without
3296 a frame pointer, issue an error message.
3297 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3298 Define it to false.
3300 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3302 * recog.c (general_operand): Modify last change to allow it if reload
3303 has completed.
3305 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3307 * recog.c (general_operand): Prohibit nonzero subreg bytes on
3308 subregs containing mem.
3310 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
3312 * regrename.c (regrename_optimize): frame pointer register can
3313 use a few hardregs.
3315 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
3317 * README.DWARF: Move into dwarfout.c.
3319 2001-05-18 Dale Johannesen <dalej@apple.com>
3321 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
3322 specific misuse of r0 as a reload address.
3324 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
3326 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
3327 succeeded.
3329 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3331 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
3332 (add_to_sequence): Make that decision type.
3333 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
3334 (write_switch, write_cond, debug_decision_2): Likewise.
3336 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
3337 for INTEGER_TYPE.
3338 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
3339 variable size.
3341 2001-05-18 Stan Shebs <shebs@apple.com>
3343 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
3344 * configure: Regenerate.
3346 2001-05-18 Per Bothner <per@bothner.com>
3348 Changes needed for java/jvspec.c
3349 * gcc.h (n_infiles, outfiles): Add declarations.
3350 * gcc.c (n_infiles, outfiles): Mske no longer static.
3352 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
3354 * config/pa/som.h (EXCEPTION_SECTION): Define.
3356 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
3358 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
3359 list.
3360 Add have_location_lists, a variable to determine whether we need a
3361 .debug_loc section or not.
3362 (enum dw_val_class): Add dw_val_class_loc_list.
3363 (dw_val_struct): Add val_loc_list.
3364 (dw_loc_list_struct): New structure, represents location lists.
3365 (new_loc_list): New function, return a new location list, given
3366 the range and location expression.
3367 (add_loc_descr_to_loc_list): New function, add a location
3368 expression to a location list, given the expression and range.
3369 (output_loc_list): New function, output a location list.
3370 (gen_internal_sym): Modified to take symbol prefix, so we can
3371 reuse it for location list symbols.
3372 (add_AT_loc_list): New function, add a location list to a DIE at
3373 the named attribute.
3374 (AT_loc_list): New function, return the location list reference
3375 for a given attribute, if it's a location list.
3376 (print_die): Handle dw_val_class_loc_list.
3377 (size_of_die): Ditto.
3378 (value_format): Ditto.
3379 (output_die): Ditto.
3380 (output_location_lists): New function, output all of the location
3381 lists for a DIE and it's children.
3382 (dwarf2out_finish): Call output_location_lists if we have location
3383 lists.
3386 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3388 * gcse.c (try_replace_reg): First try global replace, later try to
3389 simplify the expression.
3391 * gcse.c (find_used_regs): Change calling convention; work via
3392 note_uses.
3393 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
3395 2001-05-18 Bernd Schmidt <bernds@redhat.com>
3397 Revert
3398 2001-02-09 Nick Clifton <nickc@redhat.com>
3399 * config/arm/arm.md: Change output constraint on post inc
3400 load/store multiple patterns to be a read/write constraint.
3402 2001-05-18 Mark Mitchell <mark@codesourcery.com>
3404 * basic-block.h (struct basic_block_def): Add documentation about
3405 what a basic block is, and what the various fields are used for.
3406 * flow.c (calculate_globlal_regs_live): Add documentation about
3407 how the algorithm works, and how we know that it will terminate.
3408 Check that the the inductive assumption that guarantees
3409 termination actually holds.
3410 (mark_used_regs): Treat conditionally set registers as used.
3411 (debug_regset): Add comment.
3412 * rtl.texi (cond_exec): Add documentation.
3414 * function.c (expand_function_start): Avoid creating BLKmode
3415 pseudos.
3417 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3419 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
3420 DIE, even if it has no children.
3421 (dwarf2out_finish): Always output the line-number table, even if
3422 it has no content.
3424 2001-05-18 David Edelsohn <edelsohn@gnu.org>
3426 * rs6000.md (movsfcc,movdfcc): Remove NE case.
3428 2001-05-17 Bruce Korb <bkorb@gnu.org>
3430 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
3431 * fixinc/genfixes: emit a warning if AutoGen is out of date
3433 2001-05-17 Brendan Conoboy <blc@cygnus.com>
3434 Bruce Korb <bkorb@gnu.org>
3436 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
3437 found in fixinc directory. Facilitates binary distributions.
3439 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
3441 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
3442 COMPLEX_TYPE.
3444 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
3446 * dwarf2out.c (modified_type_die): Equate qualified type to die.
3448 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3450 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
3451 (simplify_subreg): Handle complex types represented as CONCAT.
3453 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
3454 * rtl.h (swap_commutative_operands_p): Declare.
3455 * rtlanal.c (swap_commutative_operands_p): New.
3456 (operand_preference): New static function.
3458 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
3459 (gen_binary): Likewise.
3460 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
3461 * simplify-rtx.c (simplify_gen_binary,
3462 simplify_gen_relational): Likewise.
3464 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3466 * cse.c (fold_rtx): Use simplify_subreg.
3468 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
3469 (simplify_gen_subreg): New.
3470 (simplify_rtx): Use simplify_subreg.
3471 * rtl.h (simplify_gen_subreg): Declare.
3473 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3475 * doc/install.texi: Update Solaris information.
3477 * except.h (protect_cleanup_actions): Remove it.
3478 (lang_protect_cleanup_actions): Declare it.
3479 * except.c (protect_cleanup_actions): Remove it.
3480 (lang_protect_cleanup_actions): New variable.
3481 (init_eh): Don't make protect_cleanup_actions a GC root.
3482 (expand_eh_region_and_cleanup): Call
3483 lang_protect_cleanup_actions.
3484 (output_function_exception_table): Remove unused `align'
3485 variable.
3486 * varasm.c (assemble_external): Abort if we have not yet
3487 opened the assembly output file.
3489 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
3491 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
3492 for eh_personality_libfunc.
3494 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3496 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
3497 when calling simplify_subreg. This is needed to allow replacing
3498 of expression of one mode by expression of different mode.
3500 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3502 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
3504 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3506 * expr.c (protect_from_queue): Protect against subsequent calls to
3507 emit_queue.
3508 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
3509 too clever.
3511 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
3513 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
3515 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3517 * gccbug.in (CATEGORIES): Add "bootstrap".
3519 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3521 * simplify-rtx.c (simplify_subreg): Break out from ...
3522 * combine.c (combine_splify_rtx) ... here and ...
3523 * recog.c (validate_replace_rtx_1): ... here;
3524 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3525 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3526 (subreg_lowpart_p): ... here.
3528 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3530 * stmt.c (expand_asm_operands): For inout operands, make sure
3531 the substitution of '=' for '+' makes it into the rtl.
3533 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3534 (reload_as_needed): Call update_eliminable_offsets a bit later.
3536 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3538 * gcc.texi (gccbug): Refer to the web pages for detailed information
3539 on GNATS.
3541 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3543 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3545 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3546 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3547 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
3548 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
3549 * cross-make: Don't set LIBGCC1.
3550 * mklibgcc.in: Delete all code for building from libgcc1.c.
3551 Always honor LIB1ASMFUNCS if set.
3553 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3554 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3555 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3556 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3557 config/i386/uwin.asm, config/m68hc11/larith.asm,
3558 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3559 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3560 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3561 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3562 Delete or update references to libgcc1 in commentary.
3564 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3565 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3566 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3567 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3568 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3569 config/arm/t-semi, config/arm/t-strongarm-coff,
3570 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3571 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3572 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3573 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3574 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3575 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3576 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3577 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3578 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3579 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3580 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3581 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3582 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3583 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3584 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3585 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3586 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3587 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3588 config/mips/t-ultrix, config/mn10200/t-mn10200,
3589 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3590 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3591 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3592 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3593 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3594 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3595 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3596 config/sparc/t-sparclite, config/sparc/t-splet,
3597 config/sparc/t-sunos41, config/sparc/t-vxsparc,
3598 config/sparc/t-vxsparc64, config/v850/t-v850:
3599 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3601 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3602 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3603 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3604 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3605 nongcc_SI_type, nongcc_word_type, or perform_*
3606 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3608 * config/i386/386bsd.h, config/i386/beos-elf.h,
3609 config/i386/linux-aout.h, config/i386/linux-oldld.h,
3610 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3611 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3612 Don't include i386/perform.h.
3614 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3615 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3616 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3617 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3618 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3619 config/vax/t-openbsd, config/vax/t-vax: Delete.
3621 * config.gcc: Remove references to deleted files.
3622 (arm-semi-aof): Use arm/t-semi for tmake_file.
3624 * gcc.texi, install.texi, invoke.texi, tm.texi:
3625 Delete or rewrite text which is no longer relevant now that
3626 libgcc1 no longer exists.
3628 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3629 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3631 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3632 Bruce Korb <bkorb@gnu.org>
3634 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3635 initializer
3637 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3639 * i386.md: Add two peepholes to clean up code generated by
3640 cmpstr* expanders.
3642 2001-05-16 Richard Henderson <rth@redhat.com>
3644 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3645 variants of non-absolute encodings.
3647 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3649 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3650 __register_frame_info_table_bases): Export.
3652 2001-05-16 Richard Henderson <rth@redhat.com>
3654 * except.c (eh_data_format_name): Move to ...
3655 * dwarf2asm.c: ... here. Use designated initializers if available.
3656 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3657 * dwarf2asm.h: Update declarations.
3658 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3659 ASM_PREFERRED_EH_DATA_FORMAT.
3660 (output_call_frame_info): Likewise. Use 'L' augmentation for
3661 the LSDA encoding.
3663 * unwind-dw2-fde.h (struct fde_vector): New.
3664 (struct old_object): Rename from struct object.
3665 (struct object): New.
3666 (__register_frame_info_bases): Declare.
3667 (__register_frame_info_table_bases): Declare.
3668 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3669 * unwind-dw2-fde.c (objects): Remove.
3670 (unseen_objects, seen_objects): New.
3671 (__register_frame_info_bases): New.
3672 (__register_frame_info): Use it.
3673 (__register_frame_info_table_bases): New.
3674 (__register_frame_info_table): Use it.
3675 (__deregister_frame_info): Rewrite for changed object struct.
3676 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3677 (fde_unencoded_compare): Rename from fde_compare; uninline.
3678 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3679 (start_fde_sort): Adjust for new definition of fde_vector.
3680 (fde_insert): Likewise.
3681 (end_fde_sort): Likewise. Select comparison function based
3682 on properties of the object.
3683 (fde_split): Take object and fde_compare_t arguments.
3684 (frame_heapsort, fde_merge): Likewise.
3685 (classify_object_over_fdes): Rename from count_fdes. Handle
3686 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3687 for the object.
3688 (add_fdes): Handle encoded pointers.
3689 (init_object): Rename from frame_init. Update for new struct object.
3690 (linear_search_fdes): Rename from search_fdes. Handle encoded
3691 pointers.
3692 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3693 (binary_search_single_encoding_fdes): New.
3694 (binary_search_mixed_encoding_fdes): New.
3695 (search_object): New.
3696 (_Unwind_Find_FDE): Update for new struct object. Fill in
3697 the dwarf_eh_bases.
3698 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3699 iterating over EH data.
3700 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3701 fde_encoding, lsda_encoding.
3702 (read_uleb128, read_sleb128): Remove.
3703 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3704 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3705 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3706 pointers.
3707 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3709 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3711 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3712 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3713 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3714 cpp_spell_token, cpp_output_token): Similarly.
3715 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3716 do_pragma_poison, parse_assertion, do_assert): Similarly.
3717 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3718 save_parameter, _cpp_create_definition, check_trad_stringification,
3719 cpp_macro_definition): Similarly.
3720 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3721 * c-lex.c (cb_undef, c_lex): Similarly.
3722 * fix-header.c (recognized_function): Similarly.
3723 * cpplib.h (NODE_LEN, NODE_NAME): New.
3724 (cpp_hashnode): Rename length len.
3726 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3728 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3729 GPRs.
3731 2001-05-16 Andreas Jaeger <aj@suse.de>
3733 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3735 * toplev.c: Include dwarf2asm.h for prototype of
3736 dw2_output_indirect_constants.
3738 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3740 * stmt.c (expand_asm_operands): Be able to offload addressof
3741 expression to memory. (PR optimization/185)
3743 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3745 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3746 applying distributive law.
3748 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3750 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3752 * gthr-dce.h (UNUSED): Attribute unused macro.
3753 (__gthread_key_dtor): Make arguments UNUSED.
3754 (__gthread_key_delete): Revise for compatibility with DRAFT4
3755 implementation.
3757 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3759 * doc/install.texi: Update AIX information.
3760 * README.RS6000: Remove obsolete file.
3762 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3763 Nathan Sidwell <nathan@codesourcery.com>
3765 * gcc.c (give_switch): Don't write before start of string.
3766 Always append suffix.
3768 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3770 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3771 after stage3.
3773 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3775 * README.ALTOS: Remove obsolete file.
3777 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3779 * c-lex.h (save_and_forget_protocol_qualifiers,
3780 forget_protocol_qualifiers, remember_protocol_qualifiers):
3781 Remove deleted functions' prototypes.
3783 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3785 * c-parse.in (methodtype): New production.
3786 (methoddef, methodproto): Collapse separate '-' and '+'
3787 handlers into 1.
3789 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3791 * c-common.h (RID_FIRST_PQ): New.
3792 * c-parse.in (objc_pq_context): New.
3793 (objc parser): Set objc_pq_context rather than calling
3794 remember_protocol_qualifiers and forget_protocol_qualifiers.
3795 Don't call save_and_forget_protocol_qualifiers.
3796 (yylexname): Handle objc protocol qualifiers here.
3797 * stringpool.c (struct str_header): Replace with sp_hashnode.
3798 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3799 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3800 Allocate an IDENTIFIER_NODE for each identifier.
3801 (FORALL_STRINGS, set_identifier): Delete.
3802 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3803 (ggc_alloc_string): Use an obstack.
3804 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3805 * tree.h: Update comments.
3806 (set_identifier): Delete.
3807 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3808 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3809 remember_protocol_qualifiers): Delete.
3811 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3813 * flow.c (life_analysis): After life analysis is complete, do
3814 an optional scan over insns looking for REG_LABEL notes that
3815 reference a deleted label.
3816 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3817 before peeking at LABEL_NUSES.
3819 2001-05-15 Richard Henderson <rth@redhat.com>
3821 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3822 (_Unwind_GetTextRelBase): New.
3824 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3826 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3828 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3830 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3831 so that CHOOSE_SECTION gets used.
3833 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3834 TARGET_RELOCATABLE like flag_pic for now.
3836 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3838 * rs6000.md (movdi splitter): Sign extend more efficiently.
3839 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3840 to "long long" valid on 32-bit and 64-bit hosts.
3841 (logical_operand): Cast trunc_int_for_mode return value.
3842 (rs6000_emit_move): Shift macro to encapsulate variable.
3843 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3844 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3845 plus_constant requires signed argument.
3847 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3849 * gthr-posix.h: Make additional pthread-* functions weak.
3851 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3853 * recog.c (apply_change_group): Avoid unneeded validating.
3855 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3857 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3858 (num_insns_constant): CONST_INT can be 64-bits.
3860 2001-05-14 Stan Shebs <shebs@apple.com>
3862 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3863 (LIBGCC_SPEC): Don't define.
3865 2001-05-14 Richard Henderson <rth@redhat.com>
3867 * configure.in (gcc_cv_as_eh_frame): New test.
3868 * config.in, configure: Rebuild.
3869 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3871 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3873 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3874 extended precision divide.
3876 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3878 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3879 for RETURNS as well.
3881 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3883 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3884 (CPP_CPU??_SIZE_TYPE): New.
3885 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3886 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3887 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3888 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3889 compiler.
3890 * i386.c (override_options): Add sorry about not suported modes.
3892 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3894 * config/pa/som.h (NM_FLAGS): Remove.
3895 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3896 (ASM_OUTPUT_SECTION_NAME): Remove.
3897 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3899 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3901 * regrename.c (regrename_optimize): Do not rename registers to
3902 leaf registers.
3904 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3906 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3907 contain MEMs. Remove useless distinction about clobbering
3908 registers.
3910 2001-05-13 Geoff Keating <geoffk@redhat.com>
3912 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3913 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3914 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3915 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3916 (EXCEPTION_SECTION): Define.
3918 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3920 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3921 binary backward compat only.
3922 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3923 in LIB2FUNCS. Pass it to mklibgcc.
3924 * mklibgcc.in: Handle LIB2FUNCS_ST.
3926 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3928 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3930 * tm.texi (THREAD_MODEL_SPEC): Document it.
3931 * gcc.c (main): Use it.
3932 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3933 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3935 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3937 * rtl.h (SYMBOL_REF_WEAK): New macro.
3938 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3939 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3940 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3941 * gcc.texi: Remove wrong description.
3943 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3945 * Makefile.in (STAMP): New macro.
3946 Replace all uses of `touch' with $(STAMP).
3947 * fixinc/Makefile.in: Likewise.
3949 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3951 * configure.in: ldopen is never in -lexc, so don't test for it.
3952 Add test for exc_resume in -lexc for Ada.
3953 * configure: Regenerated.
3955 2001-05-12 Richard Henderson <rth@redhat.com>
3957 * dwarf2asm.c (size_of_encoded_value): New function.
3958 * dwarf2asm.h: Declare it.
3959 * except.c (output_function_exception_table): Align the TType
3960 array only as wide as the encoding.
3962 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3964 * extend.texi: Document #pragma GCC java_exceptions.
3966 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3968 * c-parse.in (bison parser, init_reswords): Remove uses of
3969 doing_objc_thang.
3970 * c-tree.h (doing_objc_thang): Remove.
3972 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3974 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3975 about files not ending in newlines.
3977 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3979 * dwarfout.c (dwarfout_init): Add cast.
3980 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3981 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3982 cp:
3983 * method.c (build_mangled_C99_name): Remove unused prototype.
3985 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3987 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3989 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3991 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3992 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3994 2001-05-11 Richard Henderson <rth@redhat.com>
3996 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3997 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3998 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3999 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
4000 (dw2_output_indirect_constants): Prototype.
4001 * dwarf2out.c (dwarf2out_begin_prologue): Generate
4002 current_function_func_begin_label if we'll need it for EH. Exit
4003 early for IA64_UNWIND_INFO.
4004 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
4005 (eh_data_format_name): Update for indirect references.
4006 (output_function_exception_table): Care for IA64_UNWIND_INFO.
4007 Handle ASM_PREFERRED_EH_DATA_FORMAT.
4008 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
4009 define HAVE_eh_return etc.
4010 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
4011 (final_end_function): Don't call output_function_exception_table.
4012 * toplev.c (compile_file): Call dw2_output_indirect_constants.
4013 (rest_of_compilation): Invoke output_function_exception_table
4014 for ia64 before assemble_end_function.
4015 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
4016 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
4018 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
4019 * unwind.h: Declare them.
4020 * libgcc-std.ver: Export them.
4021 * unwind-pe.h: New file.
4023 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
4025 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
4026 instead of "fde".
4027 (find_fde_for_dso): Extract DT_PLTGOT.
4028 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
4029 the segment and gp as well.
4030 * config/ia64/frame-ia64.c: Remove file.
4031 * config/ia64/frame-ia64.h: Remove file.
4032 * config/ia64/unwind-ia64.c: New file.
4033 * config/ia64/unwind-ia64.h: New file.
4034 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
4035 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
4036 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
4037 (ASM_PREFERRED_EH_DATA_FORMAT): New.
4038 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
4039 (IA64_UNWIND_INFO): Re-enable.
4040 (HANDLER_SECTION): Remove.
4041 (EH_RETURN_DATA_REGNO): New.
4042 * config/ia64/ia64.md (exception_receiver): Remove.
4043 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
4044 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
4046 2001-05-11 Richard Henderson <rth@redhat.com>
4048 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
4049 calls and jumps to be bundled together.
4050 (ia64_reorg): Emit a break after a noreturn call that ends
4051 a function.
4052 * config/ia64/ia64.md (break_f): New.
4054 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
4056 * c-lex.c (lex_charconst): Convert into a simple wrapper
4057 around cpp_interpret_charconst, to which most of the code
4058 body is moved.
4059 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
4060 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
4061 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
4062 (lex): Use cpp_interpret_charconst.
4063 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
4064 hex_digit_value): New functions.
4065 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
4066 * cpplib.h (cpp_interpret_charconst): New prototype.
4067 * Makefile.in: Update.
4069 2001-05-12 Dean Wakerley <dean@wakerley.com>
4071 * doc/install.texi: New file. Converted to texinfo from the HTML
4072 documentation in wwwdocs/htdocs/install.
4074 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
4076 * gcse.c (insert_insn_end_bb): Do not search for assignments to
4077 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4079 * toplev.c (compile_file): Move comment for opening output
4080 file to just before the code that opens the output file.
4082 2001-05-11 Jakub Jelinek <jakub@redhat.com>
4084 * regmove.c (regmove_optimize): Suppress the optimization for
4085 unchanging destination register. Add comment above function.
4087 2001-05-11 Zack Weinberg <zackw@stanford.edu>
4089 * Makefile.in: Exterminate all references to assert.h.
4090 * cross-make: Likewise.
4091 * assert.h: Delete.
4092 * configure.in: Correct commentary.
4093 * configure: Regenerate.
4095 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
4096 Remove __eprintf.
4098 * config/t-freebsd, config/t-linux, config/t-linux-aout,
4099 config/t-netbsd, config/t-rtems, config/x-linux,
4100 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
4101 No need to override INSTALL_ASSERT_H.
4103 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
4104 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
4105 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
4107 2001-05-11 Graham Stott <grahams@redhat.com>
4109 * combine.c (simplify_comparison): Fix typo.
4111 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4113 * loop.h (struct movables): Remove `num'.
4114 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
4115 Adjust call to strength_reduce.
4116 (num_unmoved_movables): New function.
4117 (move_movables): Don't set movables->num.
4118 (strength_reduce): Compute the number of instructions in the loop
4119 here, rather than in the caller.
4120 (check_dbra_loop): Always clear reversible_mem_store if there
4121 are any memory sets.
4122 (loop_regs_scan): Don't count instructions here.
4123 (count_insn_in_loop): New function.
4125 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4127 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
4129 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
4131 * c-common.c (finish_label_expr): New function, lifted from
4132 from cp/semantics.c.
4133 * c-common.h (finish_label_expr, lookup_label): New prototypes.
4134 * c-parse.in: Move 3 blocks of parser code into new functions.
4135 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
4136 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
4137 (lookup_label): Remove.
4139 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
4141 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
4142 FLOAT_BIT_ORDER_MISMATCH.
4144 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4146 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
4147 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
4149 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4151 * expr.c (emit_group_load): extract_bit_field requires a REG or
4152 MEM as an argument.
4154 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
4156 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
4157 a computed jump into an unconditional jump.
4158 In second hunk of code for collapsing computed and conditional jumps
4159 into unconditional jumps, reemit the jump in additional cases.
4161 * jump.c (jump_optimize_1): Do not wrap the new jump target
4162 inside a LABEL_REF; gen_jump will do that automatically.
4164 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
4166 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
4167 contents for a SYMBOL_REF in case of floating point constants.
4169 2001-05-10 DJ Delorie <dj@redhat.com>
4171 * c-common.c (combine_strings): Widen strings in a
4172 host-endian-independent way.
4174 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
4176 * c-parse.in: Remove many shift/reduce conflicts. Update
4177 %expect values.
4178 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4179 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4180 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4181 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4182 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4183 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4184 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4185 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
4186 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
4187 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
4188 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
4189 typespec_reserved_nonattr, typespec_reserved_attr,
4190 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
4191 structsp_nonattr, components_notype, component_notype_declarator,
4192 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
4193 firstparm, setspecs_fp): New
4194 (typed_declspecs, reserved_declspecs, typed_typespecs,
4195 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
4196 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
4197 declmods_no_prefix_attr, nonempty_type_quals, structsp,
4198 type_quals): Remove. Users updated.
4199 (initdecls, notype_initdecls, after_type_declarator,
4200 parm_declarator, notype_declarator, absdcl1, components, ivars):
4201 Don't allow attributes at the start of a declarator; include them
4202 in the production containing the declarator instead. Always
4203 require type specifiers before trying to redeclare a typedef name.
4204 (typename): Allow for attributes but warn that they are ignored.
4205 (parmlist, firstparm, setspecs_fp): Include attributes in
4206 parmlist; suck them off the parser stack in firstparm using
4207 setspecs_fp.
4209 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
4211 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
4212 to determine if a block has an unconditional jump at its end.
4214 * jump.c (jump_optimize_1): When converting a conditional jump
4215 to an unconditional jump, build the jump using gen_jump instead
4216 of just modify operands in-place.
4218 2001-05-09 Zack Weinberg <zackw@stanford.edu>
4220 * cppinit.c (cpp_post_options): Shut off macro expansion if
4221 -fpreprocessed.
4222 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
4223 IN_I directives only if the # is in column 1 and the directive
4224 name begins in column 2.
4225 * cppmain.c (scan_buffer): Insert a space between # and an
4226 identifier, when that identifier is a directive name.
4228 * tradcpp.c (struct file_buf): Add a pointer to the next entry
4229 in the header search path.
4230 (enum node_type): Add T_INCLUDE_NEXT.
4231 (directive_table): Add entry for include_next.
4232 (do_include_next): New function.
4233 (process_include): New routine, broken out of do_include.
4234 (finclude): Insert 'nhd' argument, to be copied into
4235 next_header_dir of the new buffer.
4236 (main): Adjust to match.
4237 * gsyslimits.h, limity.h: Un-indent #include_next.
4239 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
4241 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
4242 inclusion as a chapter of the GCC manual.
4243 * gcc.texi: Include objc.texi.
4244 * fdl.texi: Use @unnumberedsec for the addendum.
4245 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
4247 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4249 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
4251 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
4253 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
4254 handling of two-address insns.
4256 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
4258 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
4259 ../binutils/nm-new instead of ../binutils/nm.
4261 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
4263 * i386.md (movdi splitter): Fix the splitting condition
4264 (float_extenddftf splitter): Fix mode.
4266 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4268 * genrecog.c (write_switch): Avoid outputting of switch for
4269 types wider than int.
4271 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
4273 * reload1.c (copy_eh_notes): New function.
4274 (emit_input_reload_insns): Call it.
4275 (emit_output_reload_insns): Call it.
4277 2001-05-07 Zack Weinberg <zackw@stanford.edu>
4279 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
4280 Delete stanzas.
4281 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
4282 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
4284 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
4286 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
4288 * pa.md (interspace_jump): Revise comment.
4289 (builtin_longjmp): Block initial setup insns from delay slot of
4290 interspace branch.
4291 (builtin_setjmp_receiver): New expander to save and restore PIC
4292 register.
4294 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
4296 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
4298 * toplev.c (compile_file): Set up the output file before we call
4299 the various initializers for the compiler.
4301 * except.c (sjlj_mark_call_sites): Do not search for assignments to
4302 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4304 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
4305 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
4307 2001-05-06 Zack Weinberg <zackw@stanford.edu>
4309 * Makefile.in (tradcpp0): Correct typo in dependency list.
4311 2001-05-06 Geoff Keating <geoffk@redhat.com>
4313 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
4314 the link register if we're not going to use it.
4316 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
4317 (output_function_profiler): Likewise.
4319 2001-05-07 Alan Modra <amodra@one.net.au>
4321 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
4323 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
4325 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
4326 zero-extend it. Make abs_inc unsigned.
4328 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
4329 widest mode in narrowing and widening operations.
4331 * config/mips/mips.md: Sign extend CONST_INTs.
4333 2001-05-06 Andreas Jaeger <aj@suse.de>
4335 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
4336 (i386 Options): Document -momit-leaf-frame-pointer.
4338 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
4340 * c-typeck.c (internal_build_compound_expr): Check for
4341 array to pointer conversion just once.
4343 2001-05-05 Richard Henderson <rth@redhat.com>
4345 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
4347 2001-05-05 Richard Henderson <rth@redhat.com>
4349 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
4350 to the parent of the fixup region.
4352 2001-05-05 Jakub Jelinek <jakub@redhat.com>
4354 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
4355 "inline" keyword.
4356 * cpp.texi (__NO_INLINE): Document it.
4358 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
4360 * cppfiles.c (struct include_file): New member err_no.
4361 (find_or_create_entry): Set it.
4362 (open_file): Don't set fds to -2. Instead, use err_no to
4363 remember previous errors, if any.
4365 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4367 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
4368 between X and Y by using sequences of xgdx and xgdy.
4370 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4372 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
4373 of '!' for the 'D' alternative ('!' is too strong).
4374 ("*logicalsi3_silshl16"): Likewise.
4375 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
4376 ("movstrictsi"): Remove spurious '+'.
4377 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
4378 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
4379 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
4380 a reload to them.
4382 2001-05-04 David Edelsohn <edelsohn@gnu.org>
4384 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
4386 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
4388 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
4389 into -a.
4391 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4393 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
4394 TARGET_POWERPC64.
4396 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4398 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
4399 soft register, use ror instead of rol.
4401 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4403 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
4404 into account pre/post increment decrement for 68HC12.
4405 Fix other problems in replacement and fix call to reg_mentioned_p.
4407 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4409 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
4410 Put the soft registers in bss for 68HC12.
4411 (L_regs_d3_4): New for _.d3 and _.d4.
4412 (L_regs_d5_6): Likewise.
4413 (L_regs_d1_2): Likewise.
4414 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
4416 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4418 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
4419 to the pre-processor when -fshort-double is specified.
4420 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
4422 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4424 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
4425 (__mulsi3): Rewrite for 68HC12.
4426 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
4427 Mark 'x' constraint with earlyclobber to prevent a
4428 RELOAD_FOR_OTHER_ADDRESS to go in it.
4429 (mulhi3_m68hc12): New pattern.
4430 (mulhi3_m68hc11): Rename of mulhi3.
4431 (mulhi3): New expand for 68HC12 optimisation.
4432 (umulhisi3, mulhisi3): New patterns for 68HC12.
4434 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4436 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
4437 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
4438 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
4440 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4442 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
4443 constants cheap after reload.
4444 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
4445 are cheap.
4446 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
4447 so that gcc prefers a shift by 16.
4448 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
4450 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
4452 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
4454 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4456 * alpha.h: NULL_PTR -> NULL.
4457 * arm.c: Likewise.
4458 * arm.h: Likewise.
4459 * avr.h: Likewise.
4460 * c4x.c: Likewise.
4461 * c4x.h: Likewise.
4462 * i386.c: Likewise.
4463 * i386.md: Likewise.
4464 * i860.c: Likewise.
4465 * ia64.c: Likewise.
4466 * m68hc11.h: Likewise.
4467 * rs6000.h: Likewise.
4468 * sh.c: Likewise.
4469 * sh.h: Likewise.
4470 * sparc.h: Likewise.
4471 * v850.c: Likewise.
4473 * expr.c: Likewise.
4474 * final.c: Likewise.
4475 * gcc.c: Likewise.
4476 * recog.c: Likewise.
4478 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4480 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
4481 `bool' parameter to `int'.
4483 * hash.c (hash_lookup): Likewise.
4485 * hash.h (hash_lookup): Likewise.
4487 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
4489 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4491 * i386.c (x86_initialize_trampoline): Fix mode of constant.
4493 2001-05-03 Geoff Keating <geoffk@redhat.com>
4495 * invoke.texi (i386 Options): Delete references to -malign-jumps,
4496 -malign-loops, -malign-functions.
4497 * i386.c (ix86_align_funcs): Delete.
4498 (ix86_align_loops): Delete.
4499 (ix86_align_jumps): Delete.
4500 (override_options): Mark -malign-* as obsolete. Emulate their
4501 behavior with the -falign-* options. Default -falign-* from
4502 the processor table.
4503 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
4504 patch of Wed May 2 13:09:36 2001.
4505 (LOOP_ALIGN): Delete.
4506 (LOOP_ALIGN_MAX_SKIP): Delete.
4507 (LABEL_ALIGN_AFTER_BARRIER): Delete.
4508 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
4510 2001-05-04 Andreas Jaeger <aj@suse.de>
4512 * except.h: Add prototype declaration for
4513 expand_builtin_init_dwarf_reg_sizes.
4515 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
4517 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4519 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4521 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4522 instruction.
4523 ("bitcmpqi2"): New pattern for bit-extract and test.
4524 ("bitcmphi"): New pattern for bitb/bita instructions.
4526 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
4528 * gccbug.in: Use a temporary directory when the mktemp command is
4529 not available.
4531 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4533 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4534 instead of _.d1.
4535 (INITIALIZE_TRAMPOLINE): Call it.
4536 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4537 (TRAMPOLINE_TEMPLATE): Remove.
4538 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4539 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4540 Declare.
4542 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4544 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
4545 and crtendS.o with PIC.
4547 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4549 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4550 negative numbers.
4551 (___subdi3, ___adddi3): Use x instead of y as index register.
4552 (__init_bss_section, __map_data_section): Optimize for 68HC12.
4553 (__memset, __memcpy): Likewise.
4554 (regs): Put the soft registers in bss for 68HC12.
4555 (abort): Use trap to abort for 68hc12.
4556 (__mulhi3, __mulhi32): Use emul for 68hc12.
4557 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4559 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4561 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4562 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4563 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4564 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4565 Set 68HC12 min offset to -65536.
4566 (print_operand): Put parenthesis arround the operand if it refers
4567 to a symbol having the same name as a register.
4568 (m68hc11_z_replacement): When z register is replaced by its
4569 equivalent soft register, force the insn to be re-recognized.
4570 (m68hc11_check_z_replacement): Fix the test when destination is
4571 the index register and z dies in the insn.
4572 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4574 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4576 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4577 costs according to processor variant.
4578 (m68hc11_shift_cost): New function to compute shift costs.
4579 (m68hc11_rtx_costs): Define costs according to processor variant.
4580 (m6811_cost): Costs for 68HC11.
4581 (m6812_cost): Costs for 68HC12.
4582 (COSTS_N_INSNS): Remove.
4584 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4585 (DEFAULT_RTX_COSTS): Remove.
4586 (CONST_COSTS): Define costs according to OUTER_CODE.
4587 (processor_costs): New struct to define costs.
4588 (m68hc11_cost): Pointer to current costs.
4590 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4592 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4593 and use m68hc11_notice_keep_cc when using leax/leay.
4594 (addhi3 split): Reject split if the insn is handled by
4595 leax/leay above.
4596 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4597 push must be handled in a special way if the source operand uses
4598 sp as index register.
4599 (m68hc11_notice_keep_cc): New function.
4600 (m68hc11_gen_movhi): Use it when an insn changes a register but
4601 not the flags.
4602 (m68hc11_gen_movqi): Fix move for 68HC12.
4603 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4605 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4607 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4608 and don't pass operands[0] to emit_library_call_value.
4610 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4612 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4613 (zero_extendsi split): Simplify and use (zero_extendhi).
4614 (*addhi3): Remove 'w' constraint since stack pointer is handled
4615 by (addhi3_sp).
4616 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4617 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4618 (*ashrhi3_const): Fix shift by 7.
4619 (*lshrsi3_const16): Fix template.
4620 (call, call_value): Fix constraint and predicate.
4622 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4624 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4625 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4626 (CC_REGNUM): Likewise.
4627 (*unnamed splits): Use above constants instead of hard coded numbers.
4628 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4629 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4630 (*return_16bit, *unnamed peepholes): Likewise.
4632 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4634 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4635 rs6000/rs6000.h twice.
4637 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4639 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4640 (CPP_SPEC): Conditionally define MSDOS and GO32.
4641 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4642 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4643 ignored.
4644 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4646 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4648 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4650 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4652 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4653 * integrate.c (expand_inline_function): Use xcalloc to allocate
4654 memory.
4655 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4656 registers.
4658 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4660 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4661 if it is not set.
4663 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4665 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4666 linker if -mrelax is given.
4667 (TARGET_SWITCHES): Document -mrelax.
4669 Re-installed 2001-01-09's patch:
4670 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4671 if it's wider than long and the target's long is wider than the
4672 host's.
4674 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4676 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4677 directly include rs6000/rs6000.h. Instead do it in tm.h.
4679 2001-05-02 Stan Shebs <shebs@apple.com>
4681 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4682 NSConstantString for NeXT-style runtimes.
4683 (STRING_OBJECT_GLOBAL_NAME): New macro.
4684 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4685 OCTI_STRING_CLASS_DECL.
4686 (constant_string_global_id): New macro.
4687 (string_class_decl): Ditto.
4688 (setup_string_decl): New function.
4689 (build_objc_string_object): Use it to build a NeXT runtime
4690 compatible string initializer.
4692 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4694 * tradcpp.c (do_define): Make sure we don't walk past limit.
4696 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4698 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4699 offsets if not REG_OK_STRICT.
4701 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4702 (INT_REG_OK_FOR_INDEX_P): Likewise.
4703 (INT_REG_OK_FOR_BASE_P): Likewise.
4704 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4705 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4706 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4707 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4708 REG_OK_FOR_BASE_P. Take an additional parameter.
4709 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4710 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4711 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4712 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4713 rs6000_legitimate_address() and use it.
4714 * config/rs6000/rs6000.c: Update all callers.
4715 (rs6000_legitimate_address): New function.
4717 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4719 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4720 special_constant conditional blocks together.
4722 2001-05-02 Dale Johannesen <dalej@apple.com>
4724 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4725 parameter.
4726 (STRICT_ARGUMENT_NAMING): Define.
4727 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4728 function_arg_partial_nregs, setup_incoming_varargs): Remove
4729 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4730 is defined.
4732 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4734 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4736 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4737 for replacement.
4739 * expr.c (store_field): Do nothing except elaborate side-effects if
4740 zero-bit field.
4742 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4744 * c-lex.c: NULL_PTR -> NULL.
4745 * cse.c: Likewise.
4746 * emit-rtl.c: Likewise.
4747 * gcse.c: Likewise.
4748 * genpeep.c: Likewise.
4749 * jump.c: Likewise.
4750 * mips-tdump.c: Likewise.
4751 * reload1.c: Likewise.
4752 * rtlanal.c: Likewise.
4753 * stmt.c: Likewise.
4754 * stor-layout.c: Likewise.
4755 * toplev.c: Likewise.
4757 2001-05-01 Per Bothner <per@bothner.com>
4759 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4760 call do_pending_stack_adjust before emiting label.
4762 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4764 * extend.texi: Fix typo.
4766 2001-05-01 Stan Shebs <shebs@apple.com>
4768 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4769 of UOBJC_MODULES_decl.
4770 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4771 (generate_descriptor_table): Ditto.
4772 (generate_protocols): Ditto.
4773 (generate_protocol_list): Ditto.
4774 (generate_classref_translation_entry): Ditto.
4776 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4778 * invoke.texi (Optimize Options): Add documentation for `--param
4779 max-delay-slot-insn-search' and `--param
4780 max-delay-slot-live-search' and reorder --param section.
4781 * params.def: Modify initial comment.
4782 * params.h (param_info): Add `help' member.
4783 * toplev.c (lang_independent_params): Include `help' description.
4784 (display_help): Print --param parameters.
4786 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4788 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4789 Remove references to deleted files.
4790 (*-*-openbsd): No need to override xmake_file.
4791 (*-*-sysv4): Treat like *-*-sysv.
4793 * configure.in: Probe for ldopen in various places, and set up
4794 collect2 to be linked with them if found.
4795 Don't dink with Windows registry stuff unless $host_os is a
4796 Win32 os name. Check to see if we need -ladvapi32.
4797 * configure: Regenerate.
4799 * Makefile: Get rid of CLIB and HOST_CLIB.
4800 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4801 * build-make: Get rid of HOST_CLIB.
4803 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4804 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4805 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4806 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4807 config/rs6000/x-rs6000: Delete.
4809 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4810 Don't set CLIB.
4812 24 x-host fragments remain, 0 x-cpu, 3 top level.
4814 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4816 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4817 * configure: Regenerate.
4819 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4821 * Makefile.in (install-headers): Remove redundant dependency.
4823 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4825 * c-tree.texi (USING_STMT): Document.
4827 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4829 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4830 * c-common.c: Likewise.
4831 * c-decl.c: Likewise.
4832 * combine.c: Likewise.
4833 * rs6000.c: Likewise.
4834 * except.c: Likewise.
4835 * explow.c: Likewise.
4836 * expr.c: Likewise.
4837 * fold-const.c: Likewise.
4838 * function.c: Likewise.
4839 * gcc.c: Likewise.
4840 * gcse.c: Likewise.
4841 * integrate.c: Likewise.
4842 * loop.c: Likewise.
4843 * objc/objc-act.c: Likewise.
4844 * recog.c: Likewise.
4845 * reg-stack.c: Likewise.
4846 * reload.c: Likewise.
4847 * reload1.c: Likewise.
4848 * simplify-rtx.c: Likewise.
4849 * stmt.c: Likewise.
4850 * varasm.c: Likewise.
4852 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4854 * diagnostic.def: New file.
4855 * diagnostic.h (diagnostic_t): New enum.
4856 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4858 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4860 * tsystem.h: Test only POSIX for availability of string.h
4861 and time.h.
4862 * config.gcc (all systems): If USG appeared in xm_defines,
4863 change it to POSIX. If both USG and POSIX appeared, just
4864 delete USG. Remove unnecessary quotes around xm_defines
4865 settings.
4866 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4867 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4868 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4869 powerpc-*-linux*): No need to set xm_defines - handled by
4870 global settings for *-*-linux*.
4872 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4874 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4875 Always include gstab.h, not system stab.h. Don't provide
4876 default definitions of N_CATCH or N_OPT. Always use the
4877 gstab.h variant of STAB_CODE_TYPE.
4878 * final.c: Don't include stab.h/gstab.h at all, or provide
4879 defaults for N_SLINE and N_SOL.
4881 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4882 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4883 available.
4884 * sdbout.c: Always include gsyms.h instead of system syms.h.
4886 * configure.in: No need to check for stab.h.
4887 * configure, config.in: Regenerate.
4888 * Makefile.in (final.o): Don't depend on gstab.h.
4890 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4891 Richard Henderson <rth@redhat.com>
4893 * extend.texi: Improve documentation of volatile asms.
4895 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4897 * c-tree.texi: Fix thinko.
4898 * gcc.texi: Likewise.
4900 2001-04-30 Richard Henderson <rth@redhat.com>
4902 * c-common.c (c_promoting_integer_type_p): New function, from the
4903 corpse of old macro. Properly promote too-small enumerations and
4904 booleans. Adjust all callers.
4905 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4906 (c_promoting_integer_type_p): Declare.
4907 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4908 * c-typeck.c: Likewise.
4909 (default_conversion): Remove now redundant boolean check.
4911 2001-04-30 Jan Hubicka <jh@suse.cz>
4912 Richard Henderson <rth@redhat.com>
4914 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4915 sanity checks.
4916 (combine_stack_adjustments_for_block): Don't combine stack
4917 allocation followed by deallocations. Handle grow-up stacks.
4919 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4921 * fdl.texi: New file.
4922 * c-tree.texi: Use the GFDL.
4923 * gcc.texi: Likewise.
4925 2001-04-30 Stan Shebs <shebs@apple.com>
4927 * invoke.texi: Add a section documenting Objective-C options.
4929 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4931 * emit-rtl.c (try_split): Copy EH notes to sequence.
4933 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4935 * regmove.c (record_stack_memrefs): Catch all references to the
4936 stack pointer.
4938 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4940 * Makefile.in (stmp-fixinc): quote shell assignment values
4942 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4944 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4946 * gcc.c: Likewise.
4948 * prefix.c: Likewise.
4950 2001-04-28 Stan Shebs <shebs@apple.com>
4952 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4953 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4954 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4955 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4957 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4958 (NEXT_OBJC_RUNTIME): Define.
4960 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4962 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4963 * simplify-rtx.c (simplify_gen_relational): Likewise.
4965 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4967 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4968 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4970 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4971 registers in SSE case; fix handling of the immediates.
4972 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4973 operands to be in regsiters before reload.
4974 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4975 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4976 (abstf,absxf,negtf,negxf splitters): Compute
4977 properly the regnum for x86_64.
4978 (avsdf2_if_rex64): New.
4980 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4982 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4983 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4984 into the constant pool.
4985 * jump.c (jump_optimize_1): Remove barrier successors after all
4986 the LABEL_NUSES counds have been computed.
4987 (delete_barrier_successors): When deleting a tablejump insn, also
4988 delete the jump table it uses.
4989 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4990 label into memory.
4992 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4994 * pa.c (FRP): Remove erroneous white space in macro definition.
4996 2001-04-28 Andreas Jaeger <aj@suse.de>
4998 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4999 appropriate.
5000 * extend.texi: Likewise.
5001 * tm.texi: Likewise.
5003 2001-04-28 Andreas Jaeger <aj@suse.de>
5005 * md.texi: Use XX-bit instead of XXbit or XX bit where
5006 appropriate.
5008 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
5010 * gcc.c (process_command): Allow -l lib in addition to -llib
5011 for POSIX compliance. This fixes PR c/2347.
5013 * invoke.texi: Update section on Link Options accordingly.
5015 2001-04-27 Zack Weinberg <zackw@stanford.edu>
5017 * function.c (purge_addressof_1): Remove the duplicate
5018 if (code == SET) block. Fold the two if (code == ADDRESSOF)
5019 blocks together.
5021 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
5023 * except.c (expand_eh_region_start): Don't start a new block.
5024 (expand_eh_region_end): Don't end a block.
5025 * stmt.c (expand_end_bindings): Don't end EH blocks.
5026 (expand_decl_cleanup): Starting an EH region won't change the block.
5027 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
5028 (is_eh_region): Lose.
5029 * tree.h: Adjust.
5031 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
5033 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
5035 * collect2.c (main): Add `-L' case to remove duplicate entries.
5036 (is_in_args): New function to check for a duplicate argument.
5037 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
5038 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
5039 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
5040 Define to be nonzero.
5042 2001-04-27 Andreas Jaeger <aj@suse.de>
5043 Richard Henderson <rth@redhat.com>
5045 * md.texi (Machine Constraints): Document additional i386
5046 constraints and fix description of "A".
5048 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
5050 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
5052 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
5054 * except.c (get_exception_filter): word_mode, not Pmode.
5056 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
5058 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
5059 common to other movsf patterns. Move up so that in future
5060 people who change the other patterns will change it too.
5061 (movsf_lo_sum): Allow even for soft-float; add appropriate
5062 constraints.
5063 (movsf_high): Likewise.
5064 (movsf_high+1): Allow even for soft-float.
5066 * function.c (expand_function_end): Always clobber the
5067 return registers, even if there is no return label.
5069 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5071 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
5073 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
5075 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
5076 (pushqi2_rex64, pushhi2_rex64): Add.
5078 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
5080 * except.c (expand_eh_region_end_cleanup): Force pending stack
5081 adjust before emitting label that branches around cleanup code.
5083 2001-04-26 H.J. Lu (hjl@gnu.org)
5085 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
5087 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
5088 define.
5089 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
5090 (ASM_OUTPUT_SECTION_NAME): Likewise.
5091 (ASM_WEAKEN_LABEL): Likewise.
5092 (UNIQUE_SECTION): Likewise.
5093 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5094 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5095 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
5096 (ASM_OUTPUT_SECTION_NAME): Likewise.
5097 (ASM_WEAKEN_LABEL): Likewise.
5098 (UNIQUE_SECTION): Likewise.
5099 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5100 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5101 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
5102 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
5103 (ASM_FILE_START): Likewise.
5104 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5105 (ASM_DECLARE_OBJECT_NAME): Likewise.
5106 (ASM_FILE_END): Likewise.
5107 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5108 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5109 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5110 (ASM_OUTPUT_CASE_LABEL): Likewise.
5111 (ASM_OUTPUT_SKIP): Likewise.
5112 (ASM_OUTPUT_ASCII): Likewise.
5113 (ASM_OUTPUT_IDENT): Likewise.
5114 (READONLY_DATA_SECTION): Likewise.
5115 (EXTRA_SECTIONS): Likewise.
5116 (EXTRA_SECTION_FUNCTIONS): Likewise.
5117 (SELECT_RTX_SECTION): Likewise.
5118 (SELECT_SECTION): Likewise.
5120 * config/mips/linux.h (INVOKE__main): Undefine.
5121 (CTOR_LIST_BEGIN): Likewise.
5122 (CTOR_LIST_END): Likewise.
5123 (DTOR_LIST_BEGIN): Likewise.
5124 (DTOR_LIST_END): Likewise.
5125 (SET_ASM_OP): Defined it to ".dummy".
5126 (ASM_OUTPUT_DEF): Defined.
5127 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
5129 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
5131 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
5132 assembler supports .p2align.
5134 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
5136 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
5138 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5140 * integrate.c (expand_inline_function): Check for error_mark_node
5141 in actual argument.
5143 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5145 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
5146 -m386 and -m486.
5148 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
5150 * configure.in (configargs.h): Define thread_model.
5151 * configure: Rebuilt.
5152 * gcc.c (main): Print it with -v.
5154 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
5156 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
5157 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
5158 * gcc.1: Regenerate.
5160 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5162 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
5163 is_redundant_typedef): Use static inline instead of inline static.
5165 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
5167 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
5168 this directory is always searched.
5170 2001-04-25 Richard Henderson <rth@redhat.com>
5172 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
5173 of registers to restore along non eh_return path.
5175 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5177 * c-format.c (check_format_info_recurse): Handle
5178 PLUS_EXPR for format string.
5180 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5182 * config/ia64/ia64.h (CC1_SPEC): Define.
5183 * config/ia64/linux.h (CC1_SPEC): Define.
5185 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
5187 * emit-rtl.c (constant_subword): Also do sign extension in
5188 BITS_PER_WORD == 16 case.
5190 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
5192 * loop.c (try_swap_copy_prop): Go back to checking insn.
5194 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5196 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
5197 if check_mode is nonzero.
5199 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5201 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
5202 out and comparison sequence has been detected, put result into
5203 proper temporary pseudo.
5205 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5207 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
5208 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
5209 * libgcc2.c: Remove __dummy and __builtin_saveregs.
5210 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
5211 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
5212 for future reference.
5214 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
5216 * except.c (reachable_handlers): Step out one level from a RESX.
5218 * except.c (struct eh_region): Rename 'last' to 'resume'.
5219 (mark_eh_region, duplicate_eh_region_1): Adjust.
5220 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
5221 (build_post_landing_pads): Likewise.
5222 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
5223 (expand_eh_region_end_must_not_throw): Likewise.
5224 (connect_post_landing_pads): Thread (only) regions with non-deleted
5225 resume insns.
5227 * except.c (expand_eh_region_end_cleanup): Save the EH return data
5228 registers around the cleanup.
5229 (get_exception_filter): New fn.
5230 (finish_eh_generation): Use it.
5232 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
5234 * c-semantics.c (add_scope_stmt): Don't call
5235 current_scope_stmt_stack multiple times.
5237 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5238 Nathan Sidwell <nathan@codesourcery.com>
5240 Lazy __FUNCTION__ generation.
5241 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
5242 RID_C99_FUNCTION_NAME): New _RIDs.
5243 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
5244 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
5245 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
5246 global tree slots.
5247 (function_id_node, pretty_function_id_node, func_id_node): Remove.
5248 (c99_function_name_decl_node, function_name_decl_node,
5249 pretty_function_name_decl_node, saved_function_name_decls):
5250 Declare.
5251 (struct language_function): Remove x_function_name_declared_p.
5252 (make_fname_decl): Remove a parameter.
5253 (declare_function_names): Remove prototype.
5254 (start_fname_decls, finish_fname_decls): Prototype.
5255 (fname_as_string): Likewise.
5256 (fname_string, fname_decl): Likewise.
5257 * c-common.c (make_fname_decl): Adjust.
5258 (struct fname_var_t): New struct.
5259 (fname_vars): New static array.
5260 (declare_function_name): Remove.
5261 (start_fname_decls, finish_fname_decls): New functions.
5262 (fname_as_string): New function from remnants of
5263 declare_function_name.
5264 (fname_string, fname_decl): New functions.
5266 * c-decl.c (c_function_name_declared_p): Remove.
5267 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
5268 don't call declare_function_name. Call start_fname_decls.
5269 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
5270 clobber the line number. Call finish_decl.
5271 (start_function): Call start_fname_decls.
5272 (finish_function): Call finish_fname_decls.
5273 Remove c_function_name_declared_p.
5274 (push_c_function_context): Don't push c_function_name_declared_p.
5275 (pop_c_function_context): Don't pop c_function_name_declared_p.
5276 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
5277 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
5278 (program): Call finish_fname_decls for C.
5279 (primary): Add VAR_FUNC_NAME.
5280 (reswords): Add slots for __FUNCTION__ et al.
5281 (rid_to_yy): Add mappings for __FUNCTION__ et al.
5282 (yylexname): If it's a STRING_FUNC_NAME generate the function name
5283 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
5284 * c-semantics.c (prune_unused_decls): Remove.
5285 (finish_stmt_tree): Don't call prune_unused_decls.
5286 (genrtl_decl_stmt): Don't prune unused decls here.
5288 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
5290 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
5291 constant pool, use the pool's SYMBOL_REF instead.
5293 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
5294 v850e.
5296 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
5298 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
5299 passing nested NOP_EXPRs to fold.
5301 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
5303 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
5305 2001-04-22 Mark Mitchell <mark@codesourcery.com>
5307 * loop.c (loop_delete_insns): Add prototype.
5309 2001-04-23 Phil Edwards <pme@sources.redhat.com>
5311 * configure.in: Remove ENABLE_STD_NAMESPACE.
5312 * config.in: Regenerated.
5313 * configure: Regenerated.
5315 2001-04-22 Stan Shebs <shebs@apple.com>
5317 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
5318 into xm_defines.
5319 * config/rs6000/xm-darwin.h: Remove file.
5321 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5323 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
5324 (write_c_file_stat): Likewise.
5326 * dbxout.c (dbxout_init): Likewise.
5328 * profile.c (output_func_start_profiler): Likewise.
5330 2001-04-22 Philipp Thomas <pthomas@suse.de>
5332 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
5333 require it instead of the CVS version.
5334 * cpperror.c (v_message): Put a blank before the macro
5335 body to not confuse exgettext.
5337 2001-04-21 Mark Mitchell <mark@codesourcery.com>
5339 * flow.c (proagate_one_insn): Remove useless assignment.
5340 * jump.c (delete_insn): Tidy.
5341 * loop.c (try_copy_prop): When deleting an instruction with a
5342 REG_RETVAL note, delete the entire libcall sequence.
5343 (loop_delete_insns): New function.
5344 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
5345 we're not substituting into them yet.
5347 2001-04-21 Kazu Hirata <kazu@hxi.com>
5349 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
5351 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
5352 Fix a comment typo.
5353 * config/i960/i960.c (signed_arith_operand): Likewise.
5355 * calls.c (expand_call): Fix a comment typo.
5357 2001-04-20 Zack Weinberg <zackw@stanford.edu>
5359 * configure.in: Probe for times, clock, struct tms, and clock_t.
5360 * configure, config.in: Regenerate.
5361 * timevar.c: Replace ifdef forest in get_time with (relatively)
5362 straightforward series of checks based on autoconf's probes.
5364 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
5366 * config/pa/som.h (NM_FLAGS): Define.
5368 2001-04-20 Bernd Schmidt <bernds@redhat.com>
5370 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
5371 function.
5372 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
5373 * ia64.c (nop_cycles_until): New function.
5374 (prev_cycle, prev_first, last_issued): New static variables.
5375 (ia64_sched_reorder): Additional arg for clock.
5376 On final scheduling pass, emit extra NOPs as needed.
5377 Set prev_first and prev_cycle.
5378 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
5379 (ia64_variable_issue): Set last_issued.
5381 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
5383 * config/i386/i386.c (ix86_expand_int_movcc,
5384 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
5386 2001-04-20 Geoff Keating <geoffk@redhat.com>
5388 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
5389 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
5390 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
5391 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
5392 ctrdi_internal6): In the short-branch case, this insn is only 4
5393 bytes long. Reported by Reza Yazdani <reza@apple.com>.
5395 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5397 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
5398 "=u" is used together with "st" resp. "st(1)" clobber.
5400 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5402 * gcse.c (gcse_main): Fix comment typo.
5403 (delete_null_pointer_check): Likewise.
5404 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
5405 * cse.c (cse_insn): Likewise.
5406 * function.c (fixup_var_refs_insns_with_hash): The sequence is
5407 toplevel.
5409 2001-04-19 Zack Weinberg <zackw@stanford.edu>
5411 * toplev.c: Excise all code for the undocumented -dm option.
5412 (float_signal): Call signal just once, unconditionally.
5414 2001-04-19 Geoff Keating <geoffk@redhat.com>
5416 * fold-const.c (fold): Use first_rtl_op rather than
5417 TREE_CODE_LENGTH when looping over parameters of a tree.
5418 Correct strange grouping in test for evaluated SAVE_EXPR.
5420 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
5422 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
5423 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
5425 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
5426 name at 32 total characters.
5427 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
5428 functions in named sections -- data items can still go into unique
5429 sections, but they have normal names (ie $LIT$ and $DATA$).
5431 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
5432 INIT_PRIORITY.
5434 2001-04-19 DJ Delorie <dj@redhat.com>
5436 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5437 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
5438 * config/i386/cygwin.h: Likewise.
5439 * config/i386/mingw32.h: Likewise.
5440 * config/vax/vms.h: Likewise.
5441 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
5443 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5444 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
5445 * config/i386/xm-cygwin.h: Likewise.
5446 * config/i386/xm-djgpp.h: Likewise.
5447 * config/i386/xm-mingw32.h: Likewise.
5448 * config/vax/xm-vms.h: Likewise.
5450 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
5451 instead of OBJECT_SUFFIX.
5452 * collect2.c (find_a_file): Look for files matching the extension
5453 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
5454 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
5455 TARGET_EXECUTABLE_SUFFIX.
5456 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
5457 (make_relative_prefix): Likewise.
5458 (convert_filename): Use TARGET_ suffixes throughout. Remove
5459 NO_AUTO_EXE_SUFFIX.
5460 (process_command): Likewise.
5461 (do_spec_1): Likewise.
5462 * java/lang.c (init_parse): Likewise.
5464 * gcc.texi : Document four new options matching the pattern
5465 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
5466 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
5467 documentation for NO_AUTO_EXE_SUFFIX.
5469 2001-04-19 Mark Mitchell <mark@codesourcery.com>
5471 * toplev.h (struct lang_hooks): Allow decode_option to indicate
5472 that language-independent processing should not be done.
5473 * toplev.c (main): Adjust accordingly.
5475 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
5476 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
5478 * mips.md (reload_outputdi): Require that operand0 be a
5479 general_operand.
5481 2001-04-19 Jakub Jelinek <jakub@redhat.com>
5483 * invoke.texi (-Wshadow): Clarify.
5485 2001-04-18 Mark Mitchell <mark@codesourcery.com>
5487 * loop.c (load_mems): Examine all the instructions in the loop
5488 before concluding that all jumps branch to the first instruction
5489 after the loop.
5491 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
5493 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
5495 2001-04-18 Jakub Jelinek <jakub@redhat.com>
5497 * cpp.texi (-Wwhite-space): Remove.
5498 (-Wall): -Wall does not imply -Wwhite-space.
5500 2001-04-17 Zack Weinberg <zackw@stanford.edu>
5502 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
5503 use it instead of blindly generating a .stabs.
5504 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
5505 in the right place.
5506 * xcoffout.c: Don't bother defining default for N_CATCH.
5507 (UNKNOWN_STAB): Use internal_error.
5508 (stab_to_sclass): Remove now-unnecessary aborts.
5509 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
5511 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
5513 * jump.c (mark_all_labels): Canonicalize the tail recursion
5514 label attached to CALL_PLACEHOLDER insns.
5516 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5518 * output.h (dump_flow_info, free_basic_block_vars,
5519 which_alternative): Delete redundant prototypes.
5521 * rtl.h (bss_section): Likewise.
5523 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
5525 * dbxout.c (N_OPT): Define if not available from <stab.h>
5527 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5529 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5530 libraries and native K&R compilers.
5532 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5534 * c-typeck.c (convert_arguments): Don't check for width changes
5535 with -Wtraditional.
5537 * invoke.texi (-Wtraditional): Update documentation.
5539 2001-04-16 Zack Weinberg <zackw@stanford.edu>
5541 * toplev.c (output_lang_identify): Delete.
5542 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5543 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
5544 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5545 after calling ASM_FILE_END.
5547 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5548 Instead, unconditionally emit an N_OPT stab with string equal
5549 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5551 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5553 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5554 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5555 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5556 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5557 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5558 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5559 config/i370/i370.h, config/i386/beos-elf.h,
5560 config/i386/osf1elf.h, config/i386/osfrose.h,
5561 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5562 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5563 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5564 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5565 config/mips/iris6.h, config/mips/osfrose.h,
5566 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5567 config/sparc/sp64-elf.h:
5568 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5569 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5571 * config/elfos.h, config/freebsd.h, config/linux.h,
5572 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5573 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5574 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5575 of ASM_FILE_START which merely emit a .version directive. Delete
5576 definitions of ASM_FILE_END which merely emit an .ident directive.
5578 * config/avr/avr.h, config/vax/vax.h: Delete definition of
5579 ASM_IDENTIFY_GCC and move part of its logic into
5580 ASM_FILE_START.
5582 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5583 config/sparc/linux-aout.h: Don't emit .version directive in
5584 ASM_FILE_START.
5586 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5587 (output_file_start): Correct comment.
5589 * config/i386/osfrose.h: Don't emit trailing .ident directive.
5590 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5591 to match gdb.
5592 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5593 * config/rs6000/aix.h: Correct comment.
5595 * config/i386/i386afe.h: Delete.
5596 * config.gcc: Remove references to i386afe.h.
5598 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
5599 other macros deleted by this patch were undocumented.
5601 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
5603 * pa.md (reload_outdi): Operand 0 must be a non hard register.
5605 * pa.c (secondary_reload_class): SAR<->FP copies require a
5606 secondary register.
5608 * install.texi (mips-mips-bsd): Update list of functions
5609 required to include memmove.
5610 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5611 used functions to include memmove.
5613 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
5615 * i386.md (sqrtdf2): SFmode should be DFmode.
5617 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
5619 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5620 (find_moveable_store): Likewise.
5622 2001-04-15 Jim Wilson <wilson@redhat.com>
5624 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5626 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5628 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5629 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5631 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5633 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5634 first alternative.
5636 2001-04-14 Alan Modra <amodra@one.net.au>
5638 * pa.c (force_mode): New function.
5639 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5641 2001-04-13 Jim Wilson <wilson@redhat.com>
5643 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5644 (first_instruction): New static variable.
5645 (rtx_needs_barrier): Return 1 for alloc.
5646 (init_insn_group_barriers): Set first_instruction.
5647 (rws_sum): Delete duplicate definition.
5648 (group_barrier_needed_p): Return 0 when first_instruction true.
5649 (safe_group_barrier_needed_p): Save and restore first_instruction
5650 around group_barrier_needed_p call.
5652 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5654 * expr.h (enum libfunc_index): Add LTI_memmove.
5655 (memmove_libfunc): Define macro.
5656 * optabs.c (init_optabs): Initialize memmove_libfunc.
5657 * expr.c (expand_assignment): Use memmove_libfunc instead of
5658 memcpy_libfunc.
5660 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5662 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5663 fp mode addresses.
5665 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5667 * Makefile.in (reg-stack.o): Depend on reload.h.
5668 (insn-attrtab.o): Depend on flags.h.
5670 * genattrtab (main): Include flags.h in insn-attrtab.c.
5672 * reg-stack.c: Include reload.h.
5674 * sparc.h (flag_pic): Delete redundant declaration.
5676 * output.h (flag_pic): Likewise.
5678 * tree.h (pedantic): Likewise.
5680 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5682 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5684 * jump.c, regmove.c, toplev.c: Include reload.h.
5686 * reload.h (reload_cse_regs): Declare.
5688 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5689 reload_cse_regs, init_reload, mark_home_live, reload,
5690 init_caller_save): Delete redundant prototypes.
5692 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5694 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5696 * regclass.c, ssa.c: Include expr.h.
5698 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5699 gen_move_insn): Delete redundant declarations.
5701 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5703 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5704 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5705 MAKEINFO and MAKEINFOFLAGS too.
5706 (stage4_build): Correctly order -B flags.
5708 2001-04-13 Alan Modra <amodra@one.net.au>
5710 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5711 PIC_OFFSET_TABLE_SAVE_RTX.
5712 (zdepi_cint_p): Describe zdepi insn.
5713 Formatting and white space fixes throughout file.
5715 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5716 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5717 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5718 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5719 (output_64bit_and): Use plain `int's for shift counts.
5720 (output_64bit_ior): Likewise.
5721 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5722 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5723 `N', and simplify.
5725 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5726 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5727 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5728 NEW_HP_ASSEMBLER into one. Kill warnings.
5730 * pa-gas.h: Delete file.
5731 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5732 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5733 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5734 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5736 * config/pa/mill32.S: New file.
5737 * config/pa/mill64.S: New file.
5738 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5739 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5740 * config/pa/t-linux64: New file.
5741 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5742 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5743 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5745 * elfos.h (SELECT_SECTION): Undef before defining.
5746 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5747 (LIB_SPEC): Remove -lmilli.
5748 (DBX_REGISTER_NUMBER): Remove.
5749 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5750 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5751 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5752 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5753 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5754 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5755 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5756 TARGET_GAS): Define.
5757 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5758 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5759 regs if we don't have a prototype.
5760 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5761 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5762 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5763 EH_RETURN_HANDLER_RTX): Define.
5764 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5765 (DWARF_FRAME_REGNUM): Define.
5766 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5767 * pa32-linux.h: New file.
5768 * pa64-linux.h: New file.
5770 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5771 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5772 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5773 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5774 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5775 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5776 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5777 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5778 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5779 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5780 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5781 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5782 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5783 * pa64-hpux.h: New file.
5784 (ASM_FILE_START): Correct typo.
5785 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5786 * config.gcc: Modify for above.
5788 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5790 * jump.c (jump_optimize_1): Don't delete dead stores here.
5791 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5792 prior to running jump optimize before cse2.
5794 2001-04-12 Richard Henderson <rth@redhat.com>
5796 * Makefile.in (regmove.o): Depend on except.h.
5797 * regmove.c: Include it.
5799 2001-04-12 Stan Shebs <shebs@apple.com>
5801 * objc/objc-act.c: Remove all code ifdefed with the never-used
5802 macro OBJC_INT_SELECTORS.
5803 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5804 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5806 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5808 * config/pa/quadlib.c: Add prototypes.
5810 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5812 * bitmap.h (debug_bitmap): Delete redundant prototype.
5814 * rtl.h (get_frame_size): Likewise.
5816 2001-04-12 Jim Wilson <wilson@redhat.com>
5818 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5819 to just emit an fnorm.
5821 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5823 * c-common.h (truthvalue_conversion, type_for_mode,
5824 type_for_size): Delete redundant declarations.
5826 * c-lex.h (is_class_name): Likewise.
5828 * c-tree.h (pedantic, convert, getdecls, gettags,
5829 global_bindings_p, init_decl_processing, insert_block,
5830 maybe_build_cleanup, poplevel, print_lang_decl,
5831 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5832 set_block, incomplete_type_error, build_function_call,
5833 lvalue_or_else, mark_addressable): Likewise.
5835 * expr.h (expand_tree_builtin): Likewise.
5837 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5839 * invoke.texi: Document --param max-gcse-memory.
5841 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5843 * configure.in (errno): Check for declaration.
5844 * configure, config.in: Regenerated.
5846 * system.h (errno): Only declare if not already done.
5848 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5850 * recog.c (general_operand, immediate_operand,
5851 nonmemory_operand): Require CONST_INTs to be sign-extended
5852 values for their modes.
5854 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5856 * expmed.c (store_bit_field): Truncate CONST_INTs.
5857 (expand_mult_highpart, expand_divmod): Likewise.
5858 * expr.c (convert_modes, store_field): Likewise.
5859 * integrate.c (expand_inline_function): Use promote_mode() to
5860 determine whether to convert_modes() an argument as signed
5861 or unsigned.
5862 * optabs.c (expand_binop): Get CONST_INT operands
5863 sign-extended for their appropriate modes.
5864 * stmt.c (emit_case_nodes): Convert node values to the
5865 appropriate mode.
5866 (expand_end_case): Convert minval and range to the appropriate
5867 mode.
5868 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5869 the iteration variable.
5870 * varasm.c (immed_double_const): Don't require words to be
5871 narrower than host wide ints to properly sign-extend
5872 CONST_INTs.
5874 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5876 * sh.md (builtin_setjmp_receiver): New expander.
5878 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5880 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5881 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5882 for generating CONST_INT and CONST_DOUBLE.
5884 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5886 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5887 already sign-extended.
5888 (rs6000_emit_prologue): Make register iterator signed.
5889 (rs6000_emit_epilogue): Likewise.
5890 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5891 and low.
5892 (movsf split, movdf split): Sign-extend CONST_INTs.
5893 (movdi splits): Likewise.
5895 2001-04-12 Kelley Cook <kelley.cook@home.com>
5897 * config-lang.in (lang_dirs): Add in zlib.
5899 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5901 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5902 operands that make it to RTL.
5904 2001-04-11 Stan Shebs <shebs@apple.com>
5906 Add Darwin (Mac OS X kernel) native support.
5907 * config.gcc (powerpc-*-darwin*): Add native bits.
5908 * config/darwin.c: New file, generic Darwin support functions.
5909 * config/darwin.h: New file, generic Darwin definitions.
5910 * config/darwin-protos.h: New file, generic Darwin prototypes.
5911 * rs6000/darwin.h: New file, Darwin for PowerPC.
5912 * rs6000/t-darwin: New file, Darwin makefile fragment.
5913 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5914 (TARGET_MACHO): Ditto.
5915 (rs6000_abi): Add ABI_DARWIN.
5916 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5917 (RS6000_SAVE_AREA): Ditto.
5918 (FP_ARG_MAX_REG): Ditto.
5919 (RETURN_ADDRESS_OFFSET): Ditto.
5920 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5921 cases.
5922 (rs6000_emit_move): Add ABI_DARWIN cases.
5923 (print_operand): Ditto.
5924 (first_reg_to_save): Ditto.
5925 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5926 (debug_stack_info): Ditto.
5927 (rs6000_emit_prologue): Ditto.
5928 (rs6000_emit_epilogue): Ditto.
5929 (output_profiler_hook): Ditto.
5930 (output_function_profiler): Ditto.
5931 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5932 (output_mi_thunk): Add TARGET_MACHO case.
5933 (add_compiler_stub): Ditto.
5934 (output_compiler_stub): Ditto.
5935 (no_previous_def): Ditto.
5936 (output_call): Ditto.
5937 (machopic_output_stub): Ditto.
5938 (rs6000_machopic_legitimize_pic_address): Ditto.
5939 (toc_section): Ditto.
5940 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5941 (macho_high): Ditto.
5942 (macho_low): Ditto.
5943 (movsi_low): Ditto.
5944 (load_macho_picbase): Ditto.
5945 (call): Add TARGET_MACHO case to modify function.
5946 (call_value): Ditto.
5947 (call_nonlocal_sysv): Add ABI_DARWIN case.
5948 (call_value_nonlocal_sysv): Ditto.
5949 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5950 Add prototype.
5951 (machopic_output_stub): Ditto.
5952 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5954 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5956 * dwarf2out.c (modified_type_die): Don't create new types here.
5957 * tree.h (get_qualified_type): New function.
5958 (build_qualified_type): Adjust comment.
5959 * tree.c (get_qualified_type): New function.
5960 (build_qualified_type): Use it.
5962 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5964 * cpp.texi (-Wtraditional): Update description.
5966 * invoke.texi (-Wtraditional): Likewise.
5968 2001-04-11 Jim Wilson <wilson@redhat.com>
5970 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5971 requires more than 64 bits of alignment.
5973 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5975 * cpplib.c (do_line): Sanity check iff enable checking.
5977 2001-04-11 Richard Henderson <rth@redhat.com>
5979 * Makefile.in (insn-recog.o): Depend on toplev.h.
5980 (insn-emit.o, doloop.o): Likewise.
5981 * genrecog.c, genemit.c: Include toplev.h in generated file.
5982 * doloop.c: Include toplev.h.
5984 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5986 * Makefile.in (gcse.o): Depend on params.h.
5987 * gcse.c: Include params.h.
5988 (gcse_main): Don't do GCSE if doing so will take inordinate
5989 amounts of memory.
5990 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5991 * params.h (MAX_GCSE_MEMORY): New macro.
5993 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5995 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5997 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5999 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6001 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
6003 * real.h (ereal_atof, real_value_truncate, target_isnan,
6004 target_isinf, target_negative, assemble_real, debug_real): Delete
6005 redundant prototypes.
6007 * Makefile.in (ifcvt.o): Depend on toplev.h.
6009 * c-semantics.c: Include expr.h.
6011 * ifcvt.c: Include toplev.h.
6013 * expr.h (rtx_equal_p): Delete prototype.
6015 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
6016 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
6017 eliminate_constant_term, expand_complex_abs, find_single_use,
6018 make_tree, init_expr_once, init_optabs, supports_one_only):
6019 Likewise.
6021 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
6022 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
6023 expand_assignment, store_expr, emit_line_note_after,
6024 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
6026 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
6028 * sparc-protos.h: Delete redundant prototypes.
6030 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
6032 * reload.c (push_reload): Add condition missed in SUBREG byte
6033 offset patch.
6035 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6037 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
6039 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6041 * i386.md (floatsisf_sse): Fix output template
6042 * i386.c (ix86_expand_fp_movcc)
6044 * reg-stack.c (emit_pop_insn): Handle complex modes.
6045 (move_for_stack_reg): Emit proper move mode.
6046 (subst_stack_regs_pat): Handle complex modes.
6048 2001-04-11 Jakub Jelinek <jakub@redhat.com>
6050 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
6052 2001-04-10 Richard Henderson <rth@redhat.com>
6054 * libgcc2.h (__terminate_func_ptr): Remove typedef.
6055 (__pure_virtual, __terminate, __terminate_set_func,
6056 __default_terminate, __throw_type_match, __empty,
6057 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
6058 __eh_rtime_match, __unwinding_cleanup, __rethrow,
6059 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
6060 Remove prototypes of deleted functions.
6062 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6064 * c-typeck.c (convert_arguments): -Wtraditional now activates
6065 -Wconversion warnings, except for changes in signed-ness.
6066 Detect complex<->int & int<->complex conversions as well.
6068 * invoke.texi (-Wtraditional): Document it.
6070 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6072 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
6073 * flow.c (set_block_for_new_insns): Remove needless cast and
6074 properly check for unset block number.
6076 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
6078 * function.c (purge_single_hard_subreg_set): Only check REGNO if
6079 the subreg was a hard register. Pseudos are left as subregs.
6081 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6083 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
6084 (LIB2ADD_ST): New macro, pass it to mklibgcc.
6085 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
6086 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
6087 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
6089 2001-04-09 Bo Thorsen <bo@suse.co.uk>
6091 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
6093 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6095 * output.h (set_block_num): Missed it earlier, remove deprecated
6096 prototype.
6098 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6100 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
6101 (load_killed_in_block_p): Change bb parameter from int to basic_block.
6102 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
6103 (handle_rd_kill_set): Change bb parameter from int to basic_block.
6104 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
6105 (expr_killed_p): Change bb parameter from int to basic_block, pass
6106 basic_blocks instead of ints as parameters.
6107 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
6108 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
6109 from int to basic_block, pass basic_blocks instead of ints as parms.
6110 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
6111 parameter from int to basic_block, pass basic_blocks instead of ints.
6112 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
6113 (insert_insn_end_bb): Change bb parameter from int to basic_block,
6114 pass basic_blocks instead of ints.
6115 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
6116 basic_blocks instead of ints as parameters.
6117 (pre_delete): Pass basic_blocks instead of ints as parameters.
6118 (hoist_expr_reaches_here_p): Change bb parameter from int to
6119 basic_block, pass basic_blocks instead of ints.
6120 (hoist_code): Pass basic_blocks instead of ints as parameters.
6121 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
6122 Change bb parameter from int to basic_block.
6123 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
6124 (insert_insn_start_bb): Change bb parameter from int to basic_block,
6125 pass basic_blocks instead of ints.
6126 (insert_store): Pass basic_blocks instead of ints as parameters.
6127 (replace_store_insn, delete_store): Change bb parameter from int to
6128 basic_block, pass basic_blocks instead of ints.
6129 (store_motion): Pass basic_blocks instead of ints as parameters.
6131 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6133 * basic-block.h (set_new_block_for_insns): New Prototype.
6134 (set_block_num): Delete prototype.
6135 * flow.c (set_block_num): Remove obsolete function.
6136 (set_block_for_new_insns): Set BB for single or multiple insns.
6137 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
6138 (process_insn_end_bb): Use set_block_for_new_insns or
6139 set_block_for_insn instead of set_block_num.
6140 (pre_insert_copy_insn): Use set_block_for_new_insns.
6141 (update_ld_motion_stores): Use set_block_for_new_insns.
6142 (insert_insn_start_bb): Use set_block_for_new_insns.
6143 (replace_store_insn): Use set_block_for_new_insns.
6145 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6146 Jeff Law <law@redhat.com>
6148 * alias.c (get_addr): Externalize.
6149 (canon_true_dependence): New function. Behaves like true_dependance
6150 except it already assumes a MEM has been canonicalized.
6151 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
6152 * gcse.c (struct ls_expr): Add load/store expressions structure.
6153 (modify_mem_list, canon_modify_mem_list): New variable.
6154 (gcse_main): Initialize & finalize alias analysis. Use enhanced
6155 load motion and store motion if requested.
6156 (alloc_gcse_mem): Allocate space for modify_mem_list array.
6157 (free_gcse_mem): Free the modify_mem_list array.
6158 (oprs_unchanged_p): Use load_killed_in_block_p.
6159 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
6160 (mems_conflict_for_gcse_p): New function. Don't kill loads
6161 with stores to themselves if its in the load/store expression list.
6162 (load_killed_in_block_p): New function.
6163 (canon_list_insert): New Function.
6164 (record_last_mem_set_info): Keep a list of all instructions which
6165 can modify memory for each basic block.
6166 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
6167 (oprs_not_set_p): Use load_killed_in_block_p.
6168 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
6169 (expr_killed_p): Use load_killed_in_block_p.
6170 (compute_transp): Do not pessimize memory references.
6171 (pre_edge_insert): Update stores for a load motion expression.
6172 (one_pre_gcse_pass): Check loads/stores for extra load motion.
6173 (ldst_entry): Find or create a ldst_expr structure.
6174 (free_ldst_entry): Free memory for an individual item.
6175 (free_ldst_mems): Free entire load/store expression list.
6176 (print_ldst_list): Print debug info.
6177 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
6178 (enumerate_ldsts): Assign integer values to each entry in list.
6179 (first_ls_expr): First expression in the list.
6180 (next_ls_expr): Next expression in the list.
6181 (simple_mem): Check if expression qualifies for ld/st expression list.
6182 (invalidate_any_buried_refs): Remove from expression list if its
6183 used in some other way we don't understand.
6184 (compute_ld_motion_mems): Find all potential enhanced load motion
6185 expression.
6186 (trim_ld_motion_mems): Remove any expressions which are invalid.
6187 (update_ld_motion_stores): Copy store values to registers for loads
6188 which have been moved.
6189 (regvec, st_antloc, num_store): New global statics.
6190 (reg_set_info): Marks registers as set.
6191 (store_ops_ok): Verfies registers expressions are valid in a block.
6192 (find_moveable_store): Look for moveable stores in a pattern.
6193 (compute_store_table): Find stores in a function worth moving, maybe.
6194 (load_kills_store): Check dependence of a load and store.
6195 (find_loads): Find any loads in a pattern.
6196 (store_killed_in_insn): Check if a store is killed in an insn.
6197 (store_killed_after): Check is store killed after an insn in a block.
6198 (store_killed_before): Check is store killed before an insn in a block.
6199 (build_store_vectors): Generate the antic and avail vectors.
6200 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
6201 (insert_store): Add a store to an edge.
6202 (replace_store_insn): Replace a store with a SET insn.
6203 (delete_store): Delete a store insn.
6204 (free_store_memory): Free memory.
6205 (store_motion): Perform store motion.
6206 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
6207 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
6208 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
6209 (f_options): Add gcse-lm and gcse-sm.
6211 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
6213 * i386.c (expand_fp_movcc): Fix condition reversal code.
6215 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
6216 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
6217 (CLASS_MAX_NREGS): Use it.
6219 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
6220 handle properly complex values.
6221 (CLASS_MAX_NREGS): Likewise; update comment.
6223 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6225 * ia64.c (ia64_flag_schedule_insns2): New variable.
6226 (ia64_override_options): Initialize it. Clear
6227 flag_schedule_insns_after_reload.
6228 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
6230 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6232 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
6233 Do not require source to match destination anymore;
6234 Add abort to the nontrivial cases that should be handled by split.
6235 (fix_trunc?fdi): Add SSE case for x86_64.
6236 (floatdi?f): Likewise.
6237 (floatdi?f_sse): New.
6238 (fix_trunc?fdi_sse): New.
6240 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
6242 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
6243 (DEBUG_ARANGES_END_LABEL): Ditto.
6244 (dwarfout_init): Generate length and version fields at the start
6245 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
6246 after the length field.
6247 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
6248 the .debug_aranges info.
6250 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6252 * i386.c (call, call_value): Make sure that resulting call_insn
6253 does have proper second operand.
6255 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
6257 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
6258 function. Remove include of sys/cygwin.h.
6260 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
6262 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
6263 (CPP_SPEC): Always search */include/w32api for header files.
6264 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
6265 (LINK_SPEC): Add "cyg" to the library search prefixes.
6267 2001-04-08 Philip Blundell <philb@gnu.org>
6269 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
6271 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
6273 * cpperror.c (print_location): Don't special case <stdin>.
6274 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
6275 WARNING, but we don't check if we're in system headers.
6276 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
6277 * cpplib.c (do_warning): Warn in system headers.
6279 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
6281 * mbchar.c: Include config.h first.
6283 2001-04-07 Zack Weinberg <zackw@stanford.edu>
6285 * config.gcc: Set default for xmake_file at top, not bottom.
6286 Change places that set xmake_file to "none" to set to the
6287 empty string instead, or remove them entirely if there is no
6288 default xmake_file for this cpu_type. Remove references to
6289 deleted files.
6291 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
6292 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
6293 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
6294 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
6295 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
6296 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
6297 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
6298 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
6299 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
6300 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
6301 Delete.
6303 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
6304 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
6305 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
6306 config/mips/x-sysv, config/rs6000/x-aix31:
6307 Just set CLIB to -lld or -lmld, as appropriate.
6309 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
6310 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
6311 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
6312 config/mips/x-iris, config/pa/x-pa:
6313 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
6314 OTHER_FIXINCLUDES_DIRS.
6316 * config/i386/x-djgpp: Don't set LN or LN_S.
6317 * config/m88k/x-dolph: Don't define __m88k__.
6318 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
6319 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
6320 * config/i860/fx2800.h: No need to #undef SVR4.
6322 38 x-host fragments remain, 2 x-cpu.
6324 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6326 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
6328 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6330 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
6332 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6334 * configure.in: Add check for lstat.
6335 * configure, config.in: Regenerate.
6336 * cppinit.c (append_include_chain): Make empty path ".".
6337 * cpplib.c (do_line): Don't simplify #line paths.
6338 * cppfiles.c (remove_component_p): New function.
6339 (find_or_create_entry): Acknowledge stat () errors during
6340 path simplification.
6341 (handle_missing_header): Don't simplify paths.
6342 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
6343 the empty path untouched. Don't leave a trailing '/'.
6345 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
6347 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6348 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6350 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6352 * cppfiles.c (open_file): Fail directories silently, but
6353 with an errno of NOENT set.
6354 (read_include_file): Move the common exit code to the sole
6355 caller. Return an int indicating success or failure. Let
6356 open_file handle directories.
6357 (stack_include_file): If read_include_file fails,
6358 push a "null" buffer.
6360 2001-04-05 DJ Delorie <dj@redhat.com>
6362 * function.h (virtuals_instantiated): Declare.
6363 * function.c: (virtuals_instantiated): Make global.
6364 * calls.c (emit_library_call_value_1): Use
6365 virtual_outgoing_args_rtx only if it hasn't been instantiated.
6366 Otherwise, use the stack pointer directly.
6368 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6370 * i386.c (x86_initialize_trampoline): New global function.
6371 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
6372 (INITIALIZE_TRAMPOLINE): Move offline.
6373 * i386-protos.h (x86_initialize_trampoline): Declare.
6375 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6377 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
6378 (lea_0): Rename to lea_1.
6379 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
6380 (lea_general_?): Allow SImodes on TARGET_64BIT
6381 (lea_general_?_zext): New patterns.
6382 (call_1, call_1_rex64): Fix.
6384 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6386 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
6388 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6390 * i386.c (function_arg): Return constm1_rtx for last argument.
6391 (ix86_expand_prologue): Update gen_call calls.
6392 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
6393 * i386.md (call_pop): Likewise.
6394 (call): Second operand is VOIDmode.
6395 (call_0): Likewise; Support 64bits.
6396 (call_exp): New expander.
6397 (call_1): Get to the sync.
6398 (call_1_exp): New pattern.
6399 (call_value): Support 64bit.
6400 (call_value_exp): New pattern.
6401 (untyped_call): Update gen_call call.
6402 (call_value_pop): Disable for 64bit.
6403 (call_value_0_rex64): New pattern.
6404 (call_value_1_rex64): Likewise.
6406 2001-04-05 Bo Thorsen <bo@suse.de>
6408 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
6410 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
6412 * i386.md (*andsi_1+3): If used after reload, make sure the operand
6413 satisfies ANY_QI_REG_P.
6415 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6417 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
6418 ASM_OPERAND.
6420 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
6421 change.
6423 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6425 * config.gcc: Remove default for xm_file. Clean up local
6426 machine type handling. Remove settings of xm_file to
6427 something that doesn't exist. In the big switch, set xm_file,
6428 don't append to it (the value before the big switch is always
6429 null). Don't force build_xm_file or host_xm_file to have a value.
6430 * configure.in: Remove default for xm_file. Do not special
6431 case $cpu/xm-$cpu.h not existing.
6432 * configure: Regenerate.
6434 2001-04-04 Diego Novillo <dnovillo@redhat.com>
6436 * simplify-rtx.c (simplify_binary_operation): Check for overflow
6437 when folding integer division and modulo operations.
6439 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
6441 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
6442 instead of DWARF2_ADDR_SIZE for EH addresses.
6443 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
6444 EH addresses.
6446 2001-04-04 Richard Henderson <rth@redhat.com>
6448 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
6449 * config/ia64/t-glibc (LIB2ADDEH): Disable.
6450 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
6452 2001-04-04 Richard Henderson <rth@redhat.com>
6454 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
6455 * configure: Rebuilt.
6457 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6459 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
6460 push insns to delete to it instead of deleting them.
6461 (delete_null_pointer_checks): Delete insns from delete_list after
6462 all delete_null_pointer_checks_1 passes are done.
6464 2001-04-04 Richard Henderson <rth@redhat.com>
6466 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
6467 * configure: Rebuilt.
6469 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6471 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
6472 * config/romp/xm-romp.h: Delete.
6474 2001-04-04 Bernd Schmidt <bernds@redhat.com>
6476 * sched-deps.c (sched_analyze_insn): Partially revert March 27
6477 change.
6479 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6481 * emit-rtl.c (mark_label_nuses) Increment the label uses for
6482 all labels present in rtx.
6483 (try_split) Call new function for all split insns.
6485 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6487 * recog.c (validate_replace_rtx_1): Instead of aborting just make
6488 sure the change won't be validated.
6490 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
6492 * rtl.h (set_noop_p): Declare.
6493 * flow.c (set_noop_p): Move from here ...
6494 * rtlanal.c (set_noop_p): ... to here and enhance.
6495 * cse.c (delete_trivially_dead_insns): Use it.
6496 * gcse.c (hash_scan_set): Likewise.
6497 * jump.c (delete_noop_moves): Likewise.
6498 * recog.c (split_all_insns): Likewise.
6500 2001-04-04 Alan Modra <alan@linuxcare.com.au>
6502 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
6503 stack pointer via a LO_SUM. Ditto for setting a temp register
6504 used to save to the stack. Set cfa_temp when setting fp, and
6505 allow matches to cfa_temp in addition to cfa_store when saving
6506 regs. Handle POST_INC and LO_SUM register stores. Document the
6507 changes and errors in rule 12 doco.
6509 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
6510 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
6511 (load_reg): Move closer to epilogue code.
6512 (DO_FRAME_NOTES): Define to control the following..
6513 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
6514 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
6515 notes as necessary.
6516 (hppa_expand_epilogue): Likewise.
6518 2001-04-03 Richard Henderson <rth@redhat.com>
6520 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6521 * configure: Rebuild.
6523 2001-04-03 Richard Henderson <rth@redhat.com>
6525 * rtl.h (LCT_THROW): New.
6526 * calls.c (emit_library_call_value_1): Handle it.
6527 * except.c (connect_post_landing_pads): Use it.
6529 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6531 * gansidecl.h: Delete file.
6532 * configure.in: Change all refs to gansidecl.h to use
6533 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
6534 lives.
6535 * configure: Regenerate.
6537 * Makefile.in (intl.o): Don't depend on gansidecl.h.
6538 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6539 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6540 Don't include gansidecl.h.
6541 * intl.c, main.c, version.c, fixinc/fixlib.h,
6542 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6543 gansidecl.h.
6545 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6547 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6548 Update for 64bit.
6550 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6552 * config/i386/xm-beos.h, config/i386/xm-isc.h,
6553 config/i386/xm-next.h, config/i386/xm-sco.h,
6554 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6555 config/m88k/xm-m88k.h: Delete.
6557 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6558 * config/romp/xm-romp.h: Don't define bcopy.
6559 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6560 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6562 * config.gcc: Remove references to deleted files.
6564 14 xm-host.h remain, 1 xm-cpu.h.
6566 2001-04-03 Jakub Jelinek <jakub@redhat.com>
6567 David S. Miller <davem@pierdol.cobaltmicro.com>
6568 Andrew MacLeod <amacleod@redhat.com>
6570 Use byte offsets in SUBREGs instead of words.
6572 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6573 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6574 to pass new argument.
6575 (add_stored_regs): Use subreg_regno_offset function.
6576 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6577 into account.
6578 (precompute_arguments): Use gen_lowpart_SUBREG.
6579 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6580 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6581 (simplify_set): Rework to use SUBREG_BYTE.
6582 (expand_field_assignment): Use SUBREG_BYTE.
6583 (make_extraction): Use SUBREG_BYTE.
6584 (if_then_else_cond): Use SUBREG_BYTE.
6585 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6586 (gen_lowpart_for_combine): Compute full byte offset.
6587 * cse.c (mention_regs): Use SUBREG_BYTE.
6588 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6589 (canon_hash): Use SUBREG_BYTE.
6590 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6591 (gen_lowpart_if_possible): Formatting.
6592 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6593 correctly.
6594 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6595 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6596 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6597 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6598 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6599 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6600 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6601 certain invariants about SUBREGs the compiler creates.
6602 (gen_lowpart_SUBREG): New function.
6603 (subreg_hard_regno): New function to get the final register number.
6604 (gen_lowpart_common): Use SUBREG_BYTE.
6605 (gen_imagpart): Spacing nits.
6606 (subreg_realpart_p): Use SUBREG_BYTE.
6607 (gen_highpart): Use SUBREG_BYTE.
6608 (subreg_lowpart_p): Always compute endian corrected goal offset,
6609 even at the byte level, then compare against that.
6610 (constant_subword): New function, pulled out all constant cases
6611 from operand_subword and changed second argument name to offset.
6612 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6613 and call constant_subword to do the work. Return const0_rtx if
6614 looking for a word outside of OP.
6615 (operand_subword_force): Change second arg name to offset.
6616 * expmed.c (store_bit_field): Use SUBREG_BYTE.
6617 (store_split_bit_field): Use SUBREG_BYTE.
6618 (extract_bit_field): Use SUBREG_BYTE.
6619 (extract_split_bit_field): Use SUBREG_BYTE.
6620 (expand_shift): Use SUBREG_BYTE.
6621 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6622 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6623 * flow.c (set_noop_p): Use SUBREG_BYTE.
6624 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6625 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6626 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6627 correction code.
6628 (optimize_bit_field): Use SUBREG_BYTE.
6629 (purge_addressof_1): Use SUBREG_BYTE.
6630 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6631 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6632 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6633 * gengenrtl.c (special_rtx): Add SUBREG.
6634 * global.c (mark_reg_store): Use SUBREG_BYTE.
6635 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6636 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6637 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6638 final byte offset is congruent to subreg's mode size.
6639 (subst_constants): Use SUBREG_BYTE.
6640 (mark_stores): Use subreg_regno_offset function.
6641 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6642 function and SUBREG_BYTE.
6643 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6644 (reg_is_born): Use subreg_hard_regno.
6645 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6646 endian correction code. Don't combine subregs unless resulting
6647 offset aligns with type. Fix subreg constant extraction for DImode.
6648 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6649 (general_operand): Remove dead mode_altering_drug code.
6650 (indirect_operand): Use SUBREG_BYTE.
6651 (constrain_operands): Use subreg_regno_offset function.
6652 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6653 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6654 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6655 * regs.h (REG_SIZE): Allow target to override.
6656 (REGMODE_NATURAL_SIZE): New macro which target can override.
6657 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6658 on the entire subreg rtx.
6659 (push_reload): Use SUBREG_BYTE in comments and code.
6660 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6661 for hard registers inside subregs.
6662 (operands_match_p): Use subreg_regno_offset.
6663 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6664 containing hard regs.
6665 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6666 corrections when fixing up MEM subregs.
6667 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6668 subreg_regno_offset where appropriate.
6669 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6670 byte endian corrections when fixing up MEM subregs.
6671 (subst_reloads): When combining two subregs, make sure final
6672 offset is congruent to subreg's mode size.
6673 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6674 (refers_to_regno_for_reload_p): Use subreg_regno.
6675 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6676 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6677 correction code for memory subreg fixups.
6678 (forget_old_reload_1): Use subreg_regno_offset.
6679 (choose_reload_regs): Use subreg_regno.
6680 (emit_input_reload_insns): Use SUBREG_BYTE.
6681 (reload_combine_note_store): Use subreg_regno_offset.
6682 (move2add_note_store): Use subreg_regno_offset.
6683 * resource.c (update_live_status, mark_referenced_resources): Use
6684 subreg_regno function.
6685 (mark_set_resources): Use subreg_regno function.
6686 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6687 (subreg_regno_offset, subreg_regno): Define prototypes.
6688 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6689 (gen_lowpart_SUBREG): Add prototype.
6690 * rtl.texi (subreg): Update to reflect new byte offset representation.
6691 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6692 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6693 (reg_overlap_mentioned_p): Use subreg_regno.
6694 (replace_regs); Make sure final offset of combined subreg is
6695 congruent to size of subreg's mode.
6696 (subreg_regno_offset): New function.
6697 (subreg_regno): New function.
6698 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6699 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6700 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6701 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6702 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6703 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6704 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6705 (print_operand): Use SUBREG_BYTE.
6706 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6707 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6708 (arm_reload_out_hi): Use SUBREG_BYTE.
6709 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6710 instead of SUBREG_WORD.
6711 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6712 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6713 SUBREG creation to use byte offset.
6714 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6715 inverted load insns): Fix explicit rtl subregs to use byte
6716 offsets.
6717 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6718 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6719 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6720 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6721 to use byte offsets.
6722 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6723 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6724 offsets, also make sure it is congruent to SUBREG's mode size.
6725 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6726 unnamed ldob insn): Generate SUBREGs with byte offset.
6727 (zero_extendqihi2): SUBREG's are byte offsets.
6728 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6729 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6730 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6731 zero-extendqisi2): Generate SUBREGs with byte offset.
6732 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6733 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6734 subregs in rtl to use byte offsets.
6735 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6736 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6737 (mips_move_2words): Use subreg_regno_offset.
6738 (mips_secondary_reload_class): Use subreg_regno_offset.
6739 * config/mips/mips.md (DImode plus, minus, move, and logical op
6740 splits): Fixup explicit subregs in rtl to use byte offsets.
6741 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6742 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6743 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6744 rtl to use byte offsets.
6745 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6746 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6747 subregs to use byte offsets.
6748 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6749 Fixup explicit subregs in rtl to use byte offsets.
6750 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6751 and remove byte endian correction code.
6752 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6753 (gen_ashift_hi): Use SUBREG_BYTE.
6754 (regs_used): Use subreg_regno_offset.
6755 (machine_dependent_reorg): Use subreg_regno_offset.
6756 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6757 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6758 (movdf_i4): Subregs are byte offsets now.
6759 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6760 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6761 (REGMODE_NATURAL_SIZE): Override.
6762 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6763 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6764 with byte offsets.
6765 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6766 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6767 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6768 it is congruent to SUBREG's mode size.
6769 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6770 offsets.
6771 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6772 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6773 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6774 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6775 * config/v850/v850.c (print_operand, output_move_double): Use
6776 subreg_regno function.
6778 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6780 * configure.in (target_subdir): Use target_alias, not target.
6781 * configure: Rebuilt.
6783 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6784 other way round.
6785 * config/sh/crti.asm: Fix typos in comments.
6787 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6789 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6790 TARGET_FAST_INDIRECT_CALLS.
6791 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6792 -fPIC. Don't warn.
6793 (return_addr_rtx): Short circuit export stub matching when
6794 TARGET_NO_SPACE_REGS.
6795 (output_millicode_call): For out of range calls, make -fPIC
6796 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6797 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6798 * pa.md: Modify length attr calculation of all millicode insns to
6799 match above.
6801 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6803 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6804 Require at least 2.11 in the version test. Specifically check
6805 for and reject GAS version 2.10.90.
6806 * configure: regenerate.
6808 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6810 * pa.c (override_options): Remove PIC profiling warning.
6811 (hp_profile_labelno): Delete.
6812 (hp_profile_label_rtx): Delete.
6813 (hp_profile_label_name): Delete.
6814 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6815 (output_function_prologue): Remove profiling code and all tests on
6816 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6817 merge_sp_adjust_with_store can work for PIC and profiling.
6818 (hppa_expand_epilogue): Remove profile_flag test.
6819 (hppa_can_use_return_insn_p): Likewise.
6820 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6821 cater for PROFILE_HOOK.
6822 (hppa_profile_hook): New function.
6823 * pa.h (FUNCTION_PROFILER): Now does nothing.
6824 (PROFILE_HOOK): Define.
6825 (hppa_profile_hook): Declare.
6826 (PROFILE_BEFORE_PROLOGUE): Delete.
6827 (ASM_OUTPUT_REG_PUSH): Delete.
6828 (ASM_OUTPUT_REG_POP): Delete.
6829 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6830 r24. Accept function name operand, and use this and a locally
6831 generated label to calculate pc-rel offset to func start.
6833 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6835 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6836 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6837 $(SYSTEM_H).
6839 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6841 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6842 LO_SUM cases to where they belong.
6844 2001-04-02 Richard Henderson <rth@redhat.com>
6846 * except.h (lang_eh_type_covers): Mark extern.
6847 (lang_eh_runtime_type): Likewise.
6849 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6851 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6852 gengenrtl.c: Wrap generated header in multiple-include guard.
6853 Improve error checking.
6855 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6857 * configure.in: Don't check for putenv.
6858 * configure: Regenerate.
6859 * gcc.c (putenv): Don't define.
6860 * vax/xm-vms.h: Handle putenv.
6862 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6864 * ifcvt.c (noce_emit_move_insn): New.
6865 (noce_try_store_flag, noce_try_store_flag_constants,
6866 noce_try_store_flag_inc, noce_try_store_flag_mask,
6867 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6868 noce_try_abs): Use it.
6869 (noce_process_if_block): Likewise.
6870 For STRICT_LOW_PART, take mode from its SUBREG.
6872 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6874 * fold-const.c (fold): Before optimizing unsigned comparison with
6875 0x7fffffffU, make sure arg0 is integral type.
6877 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6879 * c-tree.texi: Document representation of wide strings.
6881 2001-04-01 Richard Henderson <rth@redhat.com>
6883 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6885 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6887 * i386.md: remove obsoleted comments.
6888 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6889 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6890 fix output template.
6892 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6894 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6896 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6898 * loop.c (load_mems): When generating a load from a pseudo, update
6899 REGNO_LAST_UID.
6901 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6903 * i386.c (ix86_split_long_move): Use change address to compensate
6904 stack pointer change in push instruction.
6906 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6908 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6909 instead of rtx_equal_p; fix the output template.
6911 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6913 * i386.c (ix86_expand_setcc): Support 64bit.
6914 (ix86_expand_int_movcc): Likewise.
6915 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6916 New patterns.
6918 * i386.md (allocate_stack_worker): Turn to expander.
6919 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6921 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6923 2001-03-29 Richard Henderson <rth@redhat.com>
6925 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6927 2001-03-28 Matthew Hiller <hiller@redhat.com>
6929 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6930 output template.
6932 * MAINTAINERS: Added self.
6934 2001-03-28 Richard Henderson <rth@redhat.com>
6936 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6937 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6939 2001-03-28 Jim Wilson <wilson@redhat.com>
6941 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6942 operand_subword.
6944 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6946 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6948 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6949 `error'.
6951 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6953 2001-03-28 DJ Delorie <dj@redhat.com>
6955 * Makefile.in (stage1_build): Revert CFLAGS patch.
6957 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6959 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6960 when multiplier or multiplicand is zero.
6962 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6964 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6966 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6967 rtx_needs_barrier.
6968 (set_src_needs_barrier): Likewise.
6969 (rtx_needs_barrier): For SET case, use these two functions. Rework
6970 PARALLEL case to handle all inputs before all outputs.
6971 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6972 saw a label and no stop bit since then.
6973 (maybe_rotate, process_epilogue): Add prototypes.
6975 2001-03-28 Richard Henderson <rth@redhat.com>
6977 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6978 not TARGET_TOC for special toc restore handling.
6979 * config/rs6000/rs6000.md (eh_return): Likewise.
6981 2001-03-28 Richard Henderson <rth@redhat.com>
6983 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6984 current_function_calls_eh_return.
6985 (output_function_epilogue): Handle eh_return.
6986 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6987 (EH_RETURN_DATA_REGNO): New.
6988 (EH_RETURN_STACKADJ_RTX): New.
6989 (EH_RETURN_HANDLER_RTX): New.
6990 * config/sparc/sparc.md (call/short branch peepholes): Check
6991 can_throw_internal instead of in_same_eh_region.
6993 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6994 for eh_return data registers.
6995 (rs6000_emit_prologue): Save eh_return data registers.
6996 (rs6000_emit_epilogue): Force inline restores if eh_return.
6997 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6998 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6999 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
7000 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
7001 the target uses one.
7002 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
7003 (return_eh_si, return_eh_di): Remove.
7004 (eh_return): New, from corpse of eh_epilogue.
7005 (eh_set_lr_si, eh_set_lr_di): New.
7007 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
7008 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
7009 True for pic register if current_function_calls_eh_return.
7010 (ix86_expand_epilogue): Change "emit_return" argument into "style".
7011 Handle eh_return requirements.
7012 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
7013 (EH_RETURN_STACKADJ_RTX): New.
7014 * config/i386/i386.md (exception_receiver): Remove.
7015 (eh_return, eh_return_1): New.
7016 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
7018 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
7019 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
7020 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
7021 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
7022 (EH_RETURN_DATA_REGNO): New.
7023 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
7024 * config/alpha/alpha.md (eh_epilogue): Remove.
7025 (exception_receiver): Use $26 for ldgp input.
7026 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
7028 2001-03-28 Richard Henderson <rth@redhat.com>
7030 * except.c: Rewrite entirely for IA-64 ABI exception handling.
7031 * except.h: Likewise.
7033 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
7034 (LIB2ADDEHDEP): New.
7035 (LIB2FUNCS_EH): Remove.
7036 (LIB2ADD): Remove LIB2ADDEH.
7037 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
7038 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
7039 (crt{begin,end}[S].o): Likewise.
7040 (except.o): Update includes.
7041 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
7042 (libgcc2_c_dep): Use LIB2ADDEHDEP.
7044 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
7045 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
7046 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
7047 * builtins.c (expand_builtin): Implement it.
7048 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
7049 * c-common.c (c_common_nodes_and_builtins): Declare it.
7050 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
7051 * calls.c (libfunc_nothrow): Remove.
7052 (emit_library_call_value_1): Don't call it.
7053 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
7054 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
7055 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
7056 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
7057 (current_funcdef_number): Globalize.
7058 (output_call_frame_info): Emit frame data if an lsda is needed.
7059 Generate augmentation for personality routine. Don't play with
7060 difference symbols.
7061 (dwarf2out_begin_prologue): Record funcdef_number.
7062 * dwarf2out.h (current_funcdef_number): Declare.
7063 * expr.c (expand_expr): Update for except.h name changes.
7064 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
7065 * expr.h (LTI_throw, LTI_rethrow): Remove.
7066 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
7067 (LTI_eh_rtime_match): Remove.
7068 (LTI_unwind_resume, LTI_eh_personality): Add.
7069 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
7070 * final.c (final): Don't call check_exception_handler_labels,
7071 init_insn_eh_region, or free_insn_eh_region.
7072 (final_scan_insn): Always emit debug labels for
7073 NOTE_INSN_EH_REGION notes.
7074 * flags.h (flag_new_exceptions): Remove.
7075 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
7076 (record_active_eh_regions): Remove.
7077 (count_basic_blocks): Check all instructions for REG_EH_REGION.
7078 Use can_throw_internal.
7079 (find_basic_blocks_1): Likewise.
7080 (move_stray_eh_region_notes): Remove.
7081 (find_label_refs): No eh_return_stub_label.
7082 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
7083 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
7084 changes.
7085 (delete_unreachable_blocks): Don't track deleted handlers.
7086 (flow_delete_block): Use maybe_remove_eh_handler.
7087 (delete_eh_regions): Remove.
7088 (merge_blocks): Don't check for eh region match.
7089 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
7090 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
7091 (init_propagate_block_info): Disable dead frame store optimization
7092 when current_function_calls_eh_return.
7093 (dump_bb): Don't print eh_beg, eh_end.
7094 * function.c (fixup_var_refs): No catch_clauses.
7095 (expand_function_end): Likewise. Call expand_eh_return before
7096 the return register use. Call sjlj_emit_function_exit_after.
7097 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
7098 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
7099 * ifcvt.c (dead_or_predicable): Remove eh region check.
7100 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
7101 Don't check for EH vs parameters.
7102 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
7103 (expand_inline_function): Call duplicate_eh_regions.
7104 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
7105 (copy_insn_notes): Remap REG_EH_REGION notes.
7106 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
7107 * integrate.h (struct inline_remap): Add local_return_label.
7108 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
7109 check_exception_handler_labels, nor exception_optimize.
7110 (find_cross_jump): No EH region check.
7111 * optabs.c (init_optabs): Update for changed eh libfuncs.
7112 * rtl.def (RESX): New.
7113 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
7114 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
7115 checks. Update for except.h name changes.
7116 (expand_cleanups): Likewise.
7117 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
7118 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
7119 (compile_file): Call init_eh before init_optabs. Don't
7120 output_exception_table here.
7121 (rest_of_compilation): Call convert_from_eh_region_ranges,
7122 convert_to_eh_region_ranges, output_function_exception_table.
7123 Don't emit_eh_context.
7124 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
7125 (EXC_PTR_EXPR): New.
7127 * md.texi (eh_epilogue): Remove.
7128 (eh_return): Document.
7129 * tm.texi (EH_RETURN_DATA_REGNO): Document.
7130 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
7132 * eh-common.h: Remove file.
7133 * frame-dwarf2.c, frame.c, frame.h: Remove files.
7134 * libgcc2.c (L_eh): Remove.
7136 * unwind-dw2-fde.c: New file, largely copied from frame.c.
7137 * unwind-dw2-fde.h: New file.
7138 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
7139 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
7140 * libgcc-std.ver: Update for eh symbols.
7142 2001-03-27 Richard Henderson <rth@redhat.com>
7144 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
7145 reduce false positives.
7146 (regmove_optimize): Disable if flag_non_call_exceptions.
7148 * stmt.c (expand_return): Remove always true predicate.
7149 (expand_decl_cleanup_no_eh): Remove dead code.
7151 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
7152 barrier code. Add a scheduling barrier if a non-call insn
7153 can throw internally.
7155 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
7156 Auto-inc addresses trap only if their base register does.
7158 * except.c (can_throw_internal): Rename from can_throw.
7159 * except.h, resource.c: Update references.
7161 * integrate.c (copy_insn_list): Use returnjump_p.
7162 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
7164 * function.h (struct function): Move all boolean valued fields
7165 to single bit fields at the end of the struct.
7167 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
7168 jump.c, toplev.c:
7169 Rename asynchronous_exceptions to flag_non_call_exceptions.
7171 * gthr-single.h (UNUSED): New. Distinguish between how C
7172 and C++ mark unused function arguments. Use throughout.
7174 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
7175 value to target configuration header.
7176 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
7177 * config.in, configure: Rebuild.
7178 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
7179 configuration and target defines.
7180 (exceptions_via_longjmp): Remove.
7181 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
7182 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
7184 * except.h (flag_non_call_exceptions): Move ...
7185 * flags.h: ... here.
7187 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
7188 exceptions, put the note on the trapping instruction.
7190 * flags.h (flag_new_exceptions): Remove.
7191 * toplev.c: Don't set it.
7192 * final.c: Don't check it.
7193 * except.c: Provide stub definition.
7195 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
7196 (calculate_global_regs_live): Kill call-clobbered registers
7197 across exception edges.
7198 * reg-stack.c (convert_regs_1): Kill the entire target stack
7199 across non-call exception edges.
7201 * flow.c (cleanup_cfg): Take no argument.
7202 * output.h, sibcall.c, toplev.c: Update all calls.
7204 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7206 * configure.in: Don't check for bcopy.
7207 * configure, config.in: Regenerate.
7209 * system.h: Don't define or prototype bcopy, instead poison it.
7211 2001-03-27 Richard Henderson <rth@redhat.com>
7213 * function.c (expand_function_start): Set DECL_REGISTER on
7214 a pseudo used for DECL_RESULT.
7216 * rtl.h (LCT_NORETURN): New.
7217 * calls.c (emit_library_call_value_1): Handle it.
7219 2001-03-27 Stan Shebs <shebs@apple.com>
7221 * objc/objc-act.c (objc_init): Use dump_base_name.
7222 (gen_declaration): Clear the buffer arg.
7223 (gen_declaration_1): New function, body of gen_declaration.
7224 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
7225 (gen_method_decl): Ditto, plus always clear buffer arg.
7226 (error_with_ivar): Simplify.
7227 (warn_with_method): Ditto.
7228 (build_message_expr): Don't clear buffers.
7229 (dump_interface): Ditto.
7230 (objc_debug): Ditto.
7231 (build_keyword_selector): Clear the buffer by only zeroing
7232 the first element.
7233 (objc_implementation_context): Declare.
7234 (start_class): Warn about missing @end.
7235 (finish_objc): Ditto.
7237 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
7239 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
7241 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7243 * Makefile.in (SYSTEM_H): Define.
7244 Depend on $(SYSTEM_H), not system.h.
7246 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
7248 2001-03-27 Jim Wilson <wilson@redhat.com>
7250 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
7251 IA64_UNWIND_EMIT.
7252 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
7253 (process_epilogue): New static function.
7254 (process_set): Call process_epilogue instead of emitting .restore
7255 directly.
7256 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
7258 * flow.c (struct reg_cond_life_info): New fields orig_condition
7259 and stores.
7260 (init_propagate_block_info): Set new fields.
7261 (mark_regno_cond_dead): Set and use new fields.
7262 (flush_reg_cond_reg_1): Likewise.
7263 (and_reg_cond, case AND): Check for redundant AND conditions.
7264 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
7265 Set new fields.
7267 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
7269 * cppmacro.c (stringify_arg): Null terminate strings.
7271 2001-03-27 Zack Weinberg <zackw@stanford.edu>
7273 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
7274 inclusion style. xm-m68hc11.h no longer exists.
7275 * config/m68hc11/xm-m68hc11.h: Delete file.
7276 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
7278 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
7279 Don't define GCC_VERSION, N_, or PARAMS; don't include
7280 gansidecl.h or stdio.h. Define inhibit_libc here.
7281 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7282 Delete code conditioned on #if GCC_VERSION == 2095.
7284 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
7285 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7286 Delete code conditioned on #if GCC_VERSION == 2095.
7288 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7290 * system.h: Include symcat.h.
7291 (STRINGIFY): Don't define.
7293 * configure.in: Adjust comment.
7295 * builtins.c: Use STRINGX, not STRINGIFY.
7296 * gencheck.c: Likewise.
7297 * gengenrtl.c: Likewise.
7298 * protoize.c: Likewise.
7300 * cpplex.c: Don't include symcat.h.
7301 * cpplib.c: Likewise.
7303 * gansidecl.h (HAVE_STRINGIZE): Don't define.
7305 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7307 * c-typeck.c (digest_init): Fold init expression.
7309 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7311 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
7313 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7315 * except.c (eh_regs): Save results of build_pointer_type to a temp
7316 as FUNCTION_VALUE macro may evaluate its args multiple times.
7318 2001-03-26 Mark Mitchell <mark@codesourcery.com>
7320 * c-common.h (DECL_NUM_STMTS): New macro.
7321 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
7322 DECL_FRAME_SIZE.
7323 (pushdecl): Likewise.
7324 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
7325 * integrate.c (expand_inline_function): Don't check
7326 DECL_FRAME_SIZE.
7327 * print-tree.c (print_node): Don't print it.
7328 * toplev.c (rest_of_compilation): Don't try to inline when
7329 flag_no_inline is on.
7330 * tree.h (DECL_FRAME_SIZE): Remove.
7331 (tree_decl): Adjust accordingly.
7333 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7335 * combine.c (try_combine): Use memcpy, not bcopy.
7337 * genattrtab.c (expand_units): Likewise.
7339 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
7341 * i386.md (push mem DI peep2): New.
7342 (mov 0, mov -1 peep2): Handle 64bit.
7343 (lea to arithmetics peep2): Handle 64bit leas.
7344 (rsp arithmetics to push/pop peep2s): New.
7346 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
7348 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7350 * i386.c (struct machine_function): Add save_varrargs_registers.
7351 (ix86_save_varrargs_registers): New macro.
7352 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
7353 (ix86_expand_prologue): Likewise.
7354 (ix86_emit_epilogue_esp_adjustement): Likewise.
7355 (ix86_expand_epilogue): Likewise.
7356 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
7357 (pro_epilogue_adjust_stack_1): New insn.
7358 (pro_epilogue_adjust_stack_rex64): Likewise.
7359 * i386.h (MASK_NO_RED_ZONE): New constant.
7360 (TARGET_RED_ZONE): New macro.
7361 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
7362 (RED_ZONE_SIZE): New constant.
7363 (RED_ZONE_RESERVE): New constant.
7365 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7367 * toplev.c (set_float_handler): Use memcpy, not bcopy.
7369 2001-03-25 Kazu Hirata <kazu@hxi.com>
7371 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
7372 space.
7373 (modqi3): Likewise.
7374 (umodhi3): Likewise.
7375 (modhi3): Likewise.
7377 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7379 * mkconfig.sh (DEFINES): Handle entries with '='.
7381 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
7382 Set xm_defines to MACRO=value instead.
7384 * i370/xm-mvs.h: Delete.
7386 * ns32k/xm-pc532-min.h: Likewise.
7388 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7390 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
7391 shiftdi_operand;
7392 use ix86_expand_binary_operator
7393 (?sh??i_?): Disable for 64bit.
7394 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
7395 * i386.c (shiftdi_operand): New predicate.
7397 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
7398 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
7399 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
7400 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
7401 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
7402 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
7403 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
7404 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
7405 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
7406 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
7407 (rotldi3, rotrdi3): New expanders.
7409 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
7411 * i386.md (movstrsi): Move offline.
7412 (movstrdi): New.
7413 (strmovdi_rex64): New.
7414 (strmov?i): Accept 64bit.
7415 (strmov?i_rex64): New.
7416 (strmov?i_rex_1): New.
7417 (strmov?i_1): Disable for 64bit.
7418 (rep_mov?i_rex64): New.
7419 (rep_mov?i): Disable for 64bit.
7420 (clrstrsi): Move offline.
7421 (strset?i_rex64): New.
7422 (strset?i: Accept 64bit.
7423 (rep_stos?i): Disable for 64bit.
7424 (rep_stos?i_rex64): New.
7425 (strset?i_rex_1): New.
7426 (strset?i_1): Disable for 64bit.
7427 (cmpstrsi): Accept 64bit.
7428 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
7429 (cmpstrqi_nz_rex_1): New.
7430 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
7431 (strlensi): Move offline.
7432 (strlendi): New.
7433 (strlenqi_1): Disable for 64bit; fix constraints.
7434 (strlenqi_rex_1): New.
7435 * i386.c (ix86_adjust_counter): New static function.
7436 (ix86_zero_extend_to_Pmode): Likewise.
7437 (ix86_expand_aligntest): Likweise.
7438 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
7439 (ix86_expand_movstr): New global function.
7440 (ix86_expand_clrstr): New global function.
7441 (ix86_expand_strlen): New global function.
7442 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
7443 ix86_expand_strlen): Declare.
7444 (ix86_expand_strlensi_unroll_1): Delete.
7446 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
7448 * i386.md (cmpdi): Fix operand predicates.
7449 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
7450 cmpdi_1_insn_rex64): New patterns.
7451 (adddi3): Turn to expander.
7452 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
7453 (addsi3_carry_zext): New pattern.
7454 (adddi_?_rex64): New patterns and splitters.
7455 (addsi_?_zext): New patterns.
7456 (subsi3_carry_zext): New pattern.
7457 (subdi_?_rex64): New patterns and splitters.
7458 (iorsi_?_zext): New patterns.
7459 (iordi_?_rex64): New patterns and splitters.
7460 (iorsi_?_zext): New patterns.
7461 (iorsi_?_zext_imm): New patterns.
7462 (xorsi_?_zext): New patterns.
7463 (xordi_?_rex64): New patterns and splitters.
7464 (xorsi_?_zext): New patterns.
7465 (negdi*): New patterns.
7466 (one_cmpldi*): Likewise.
7467 (one_cmplsi*_zext, negsi*_zext): Likewise.
7468 (testqi_ext_3_rex64): New pattern.
7470 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
7472 * i386-protos.h (ix86_split_long_move): Return void.
7473 * i386.c (ix86_split_to_parts): Handle 64bit target.
7474 (ix86_split_long_move): Likewise.
7475 * i386.md (all calls to ix86_split_long_move): Update.
7477 2001-03-23 Richard Henderson <rth@redhat.com>
7479 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
7480 to avoid shadowing arguments.
7482 2001-03-23 Jakub Jelinek <jakub@redhat.com>
7484 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
7485 to variable names where DECL_NAME is different from
7486 DECL_ASSEMBLER_NAME.
7488 2001-03-23 Jim Wilson <wilson@redhat.com>
7490 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
7491 (assemble_alias): Call make_decl_rtl.
7493 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
7495 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
7497 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
7499 * extend.texi: Document the "java_interface" attribute.
7501 2001-03-22 Zack Weinberg <zackw@stanford.edu>
7503 * mkconfig.sh: Use a subshell with redirected stdout,
7504 instead of closing stdout and confusing commands that run
7505 afterward. Throw away output of cmp.
7507 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
7509 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
7511 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
7513 * i386.md (zero_extendsidi2_32): Break out from ...
7514 (zero_extendsidi2): ... here ; turn to expander.
7515 (zero_extendsidi2_rex64): New.
7516 (extendsidi2_32): Break out from ...
7517 (extendsidi2): ... here ; turn to expander.
7518 (extendsidi2_rex64): New.
7519 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7520 (trunc?f?f splitters): Add 64bit versions.
7522 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
7524 * i386.md (pushsi, pushsi2_prologue): Disable.
7525 (pushsi2_rex64): New.
7526 (movabs?i_1_rex64, movabs?i_2_rex64): New.
7527 (movqi_ext_1): Disable for 64bit.
7528 (movqi_ext_1_rex64): New.
7529 (pushdi2_rex64): New pattern, peep2s and splitter.
7530 (pushdi2_prologue_rex64): New pattern.
7531 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7532 Likewise.
7533 (movdi splitters): Disable for 64bit.
7534 (movdi_1_rex64): New pattern, peep2s and splitters.
7535 (swapdi): New pattern.
7536 (pushsf): Disable for 64bit.
7537 (pushsf_rex64): New pattern and splitter.
7538 (pushdf_nointeger): Disable for 64bit.
7539 (pushdf_integer): Handle the 64bit case.
7540 (pushtf): Likewise; update splitters.
7542 2001-03-22 Richard Henderson <rth@redhat.com>
7544 * mkconfig.sh: Include insn-flags.h.
7545 * Makefile.in (CONFIG_H): Include insn-flags.h.
7546 (lots of objects): Remove insn-codes.h and insn-flags.h.
7548 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7549 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7550 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7551 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7552 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7553 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7554 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7555 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7556 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7557 v850/v850.c, vax/vax.c:
7558 Don't include insn-flags.h.
7560 * diagnostic.c, expr.h, reload.c, toplev.c:
7561 Don't include insn-codes.h.
7563 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7564 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7565 c4x/c4x.c, i960/i960.c, mips/mips.c:
7566 Don't include insn-codes.h or insn-flags.h.
7568 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7569 or insn-flags.h in the generated code.
7570 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7571 (main): Forward declare struct rtx_def.
7573 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
7575 * invoke.texi (-ffast-math): Remove duplicate line about
7576 __FAST_MATH__.
7578 * gcc.texi: Remove more obsolete documentation of bugs and
7579 installation problems.
7581 2001-03-21 Kazu Hirata <kazu@hxi.com>
7583 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7584 into two parts.
7586 2001-03-20 Jason Merrill <jason@redhat.com>
7588 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7589 not '.' or '$'.
7590 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7591 * varasm.c (CHKR_PREFIX): Likewise.
7593 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7595 * gcse.c (hash_scan_set): An expression is not anticipatible if it
7596 is part of a multi-SET insn.
7598 * cse.c (find_comparison_args): Remove previous change.
7599 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7600 REG_EQUAL notes.
7602 * config/i386/i386.md (conditional_trap): Remove warning.
7604 * recog.c (push_operand): Fix error in last change that caused
7605 undefined symbol on many targets.
7607 * sdbout.c: #include ggc.h.
7608 (sdbout_init): Move to end of file.
7609 Call ggc_add_tree_root for anonymous_types.
7610 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7611 (sdbout_one_type): Use DECL_NAME for field name.
7612 * Makefile.in (sdbout.o): Show includes ggc.h.
7614 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
7616 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7617 (override_options): Use properlimits for preferred_stack_boundary.
7618 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7619 on x86_64.
7620 (ext_register_operand): Accept DImode.
7621 (load_pic_register): Abort on 64bit.
7622 (gen_push): Use Pmode instead of SImode.
7623 (ix86_save_reg): Pic reg is never used on 64bit.
7624 (ix86_expand_prologue): Likewise.
7625 (ix86_emit_save_regs): Use Pmode instead of SImode.
7626 (legitimate_address_p): Check displacement for 64bit.
7627 (print_operand): Avoid outputting of (%rip) on 64bit.
7628 (print_operand_address): Output (%rip) where possible.
7629 (split_di): Abort on 64bit registers.
7630 (ix86_expand_branch): DImode comparison is simple for x86_64.
7631 (memory_address_length): Recognize memory addresses formed using
7632 PRE/POST modify.
7633 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7634 for x86_64.
7635 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7637 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7639 * recog.c (push_operand): Recognize new format of push instructions.
7641 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7643 * i386.md (pushqi1): New.
7644 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7645 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7646 x86_64_immediate_operand, x86_64_immediate_operand,
7647 x86_64_zext_immediate_operand): Declare.
7648 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7649 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7650 x86_64_immediate_operand, x86_64_immediate_operand,
7651 x86_64_zext_immediate_operand): define.
7652 * i386.h (PREDICATE_CODES): Add new predicates.
7654 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7656 * i386.md (pophi1, popqi1, pushqi1): Remove.
7658 * expr.c (emit_single_push_insn): New function.
7659 (move_by_pieces): Accept NULL as destination for push instructions.
7660 (gen_push_operand): Kill.
7661 (emit_push_insn): Pass NULL when pushing; avoid updating of
7662 stack_pointer_delta.
7663 * expr.h (gen_push_operand): Kill.
7665 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7667 * rtl.texi (COMPARE): Clarify documentation and reference section
7668 on comparisons.
7670 2001-03-20 Stan Shebs <shebs@apple.com>
7672 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7673 (get_object_reference): Ditto.
7674 (error_with_ivar): Use error_with_file_and_line.
7675 (warn_with_method): Use warning_with_file_and_line.
7677 2001-03-20 Tom Tromey <tromey@redhat.com>
7679 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7681 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7683 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7684 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7686 2001-03-20 DJ Delorie <dj@redhat.com>
7688 * Makefile.in (install-libgcc): Pass complete list of variables.
7689 (install-multilib): Ditto.
7691 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7693 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7694 drectve_section, switch_to_section.
7696 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7697 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7698 i386_pe_mark_dllimport.
7700 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7702 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7703 functions i386_pe_*.
7705 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7706 i386_pe_* functions with char * arguments.
7708 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7710 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7711 and store.
7712 (movsi_ie): Introduce fpul store.
7714 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7716 * Makefile.in (OBJS): Remove hashtab.o.
7718 2001-03-19 Stan Shebs <shebs@apple.com>
7720 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7721 * c-lang.c (maybe_objc_method_name): Ditto.
7722 * c-tree.h (maybe_objc_method_name): Remove decl.
7724 2001-03-19 Tom Tromey <tromey@redhat.com>
7726 * gcc.c (init_gcc_specs): Fix comment.
7728 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7730 Compute DECL_ASSEMBLER_NAME lazily.
7731 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7732 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7733 (SET_DECL_ASSEMBLER_NAME): Likewise.
7734 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7735 (set_decl_assembler_name): Declare.
7736 (lang_set_decl_assembler_name): Likewise.
7737 * tree.c (lang_set_decl_assembler_name): New variab.e
7738 (set_decl_assembler_name): New function.
7739 (init_obstacks): Set lang_set_decl_assembler_name.
7740 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7741 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7742 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7743 where it's not necessary.
7744 (builtin_function): Likewise.
7745 (finish_decl): Likewise.
7746 * dbxout.c (dbxout_type_methods): Likewise.
7747 * ggc-common.c (ggc_mark_trees): Likewise.
7748 * profile.c (output_func_start_profiler): Likewise.
7749 * varasm.c (make_decl_rtl): Likewise.
7751 * cse.c (find_comparison_args): Update documentation. Fix
7752 mishandling of COMPARE operations.
7754 * tree.def (ABS_EXPR): Add documentation.
7755 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7757 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7759 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7761 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7763 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7764 Remove ia32 linux PIC kludge and move it...
7765 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7767 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7769 * i386.md (absdf2 expander): Fix 64bit case.
7771 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7773 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7775 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7777 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7779 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7781 * README.X11: Remove obsolete file.
7783 2001-03-18 Anthony Green <green@redhat.com>
7785 * config/pj/pj.h: Remove some trailing commas.
7786 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7788 2001-03-18 Richard Henderson <rth@redhat.com>
7790 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7791 * calls.c: ... here.
7792 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7793 defaults for them here.
7795 2001-03-17 Anthony Green <green@redhat.com>
7797 * config/pj/lib1funcs.S: Fix broken comment.
7798 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7799 labels with '.'.
7801 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7803 * gcc.texi: Remove obsolete information relating to build and
7804 installation problems with enquire or the Pyramid C compiler.
7806 2001-03-17 Richard Henderson <rth@redhat.com>
7808 * dwarf2out.c (queue_reg_save): New.
7809 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7810 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7811 dwarf2out_reg_save.
7812 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7813 (cfa, cfa_store, cfa_temp): Make static.
7814 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7816 2001-03-17 Richard Henderson <rth@redhat.com>
7818 * integrate.h (struct inline_remap): Add local_return_label.
7819 * integrate.c (expand_inline_function): Initialize it and emit
7820 it after copy_insn_notes.
7821 (copy_insn_list): Don't store local_return_label here.
7822 (copy_insn_notes): New function split out from copy_insn_list.
7824 2001-03-17 Richard Henderson <rth@redhat.com>
7826 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7827 is generating .debug_line.
7828 (dwarf2out_init): Add main_input_filename to the file table first.
7829 * configure.in (as_dwarf2_debug_line): Test with file number 1
7830 instead of file number 0.
7832 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7834 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7835 (gen_rtx_combine): Deleted; all references changed as appropriate.
7836 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7838 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7840 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7842 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7843 variable.
7845 2001-03-16 Jim Wilson <wilson@redhat.com>
7847 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7848 then set it to LOC_REG (79) instead of aborting.
7850 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7852 * gccbug.in: Remove high priority.
7854 2001-03-16 Richard Henerson <rth@redhat.com>
7856 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7857 output with a space instead of deleting it.
7858 * configure: Regenerate.
7860 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7862 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7863 handles the gory details of converting an object file into
7864 something that's safe to grep.
7865 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7866 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7867 newlines at either end of the string we're looking for.
7868 Make 'checking ...' message less stilted.
7869 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7870 ARM in-memory layout and its hypothetical converse. Don't
7871 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7872 HOST_WORDS_BIG_ENDIAN.
7874 * configure.in: Adjust for renamed macro. Move
7875 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7876 * configure, config.in: Regenerate.
7878 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7880 * fixinc/Makefile.in: Set SHELL.
7882 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7884 * fixinc/fixincl.c (fix_with_system): Quote file names before
7885 passing them to shell.
7887 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7889 * Makefile.in: Use fix-header$(build_exeext) instead
7890 of fix-header.
7892 2001-03-16 Richard Henderson <rth@redhat.com>
7894 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7895 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7896 (size_of_line_prolog): Remove.
7897 (output_line_info): Compute prologue size via label difference.
7898 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7900 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7901 assembler error when redefining file numbers.
7902 * config.in, configure: Rebuild.
7904 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7905 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7906 (dw2_asm_output_delta_uleb128): Likewise.
7907 (dw2_asm_output_delta_sleb128): Similarly.
7908 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7910 2001-03-16 Michael Meissner <meissner@redhat.com>
7912 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7913 warnings.
7914 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7915 warnings.
7916 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7918 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7919 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7920 being unsigned in ISO C and signed in traditional.
7921 (expand_prologue): Ditto.
7922 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7924 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7925 warnings.
7926 (divsi3,divdi3): Ditto.
7927 (modsi3,moddi3): Ditto.
7928 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7929 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7930 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7931 warnings.
7933 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7935 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7936 SSE based conditional moves on LTGT/UNEQ conditions;
7937 Canonicalize EQ to NE.
7938 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7939 (sse_mov?fcc_ne): New.
7941 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7943 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7945 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7946 register may be dead.
7948 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7950 * Makefile.in (hash.o): Depend on CONFIG_H.
7952 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7954 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7956 2001-03-15 Richard Henderson <rth@redhat.com>
7958 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7959 (ASM_OUTPUT_DWARF_PCREL): New.
7960 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7962 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7964 * cppfiles.c (stack_include_file): Use MAX of sysp.
7966 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7968 * config.gcc (ia64*-*-hpux*): New case.
7969 * config/ia64/hpux.h: New file for HP-UX support.
7970 * config/ia64/t-hpux: New file for HP-UX support.
7972 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7974 * fixinc/inclhack.def (irix_stdio_va_list): New.
7975 * fixinc/fixincl.x: Rebuilt.
7977 2001-03-15 Richard Henderson <rth@redhat.com>
7979 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7980 if provided by the target.
7981 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7982 (dw2_asm_output_addr): New.
7983 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7984 * dwarf2out.c (output_cfi): Use it for program addresses.
7985 (output_call_frame_info, output_die): Likewise.
7986 (output_aranges, output_line_info): Likewise.
7988 2001-03-15 Bruce Korb <bkorb@gnu.org>
7990 * gcc.c(main): make more rigorous
7991 * collect2.c(main): guard against ignoring SIGCHLD
7992 * protoize.c(main): ditto
7993 * gcc/fixinc/fixincl.c(initialize): ditto
7995 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7997 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7998 (sdbout_parms): Likewise.
8000 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
8002 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
8003 "widen" a destination that is already wider than a word. Also do
8004 not widen if LOAD_EXTEND_OP is NIL for the given mode.
8006 2001-03-15 Bernd Schmidt <bernds@redhat.com>
8008 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
8010 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
8012 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
8014 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
8016 * i960.h (i960_maxbitalignment,
8017 i960_last_maxbitalignment): Declare.
8018 * i960.c (i960_maxbitalignment,
8019 i960_last_maxbitalignment): Make global.
8020 (process_pragma): Delete.
8021 (i960_pr_align, i960_pr_noalign): Move from here ...
8022 * i960-c.c: ... to this new file.
8023 * t-960bare (i960-c.o): New rule.
8024 * t-vxworks960 (i960-c.o): Likewise.
8025 * config.gcc (i960-*-*): Define c_target_objs and
8026 cxx_target_objs.
8028 2001-03-15 Bernd Schmidt <bernds@redhat.com>
8030 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
8031 without adding in rtx code and mode.
8033 * alias.c (init_alias_analysis): Don't use any rtx whose value
8034 varies as a known value.
8035 Delete a superfluous test.
8037 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
8038 ia64_sched_reorder.
8039 (ia64_sched_reorder): Call maybe_rotate; also rotate after
8040 scheduling a stop bit.
8041 (ia64_emit_nops): Correctly handle ASMs.
8043 2001-03-15 Mark Mitchell <mark@codesourcery.com>
8045 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
8047 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
8049 * cpp.texi: Update documentation for -include and -imacros.
8050 * cppfiles.c (struct include_file): Remove "defined" memeber.
8051 (find_or_create_entry): Make a copy of the file name, and
8052 simplify it.
8053 (open_file): Update to ensure we use the simplified filename.
8054 (stack_include_file): Don't set search_from.
8055 (cpp_included): Don't simplify the path name here.
8056 (find_include_file): New prototype. Call search_from to
8057 get the start of the "" include chain. Don't simplify the
8058 filenames here.
8059 (_cpp_execute_include): New prototype. Move diagnostics to
8060 do_include_common. Update.
8061 (_cpp_pop_file_buffer): Don't set defined.
8062 (search_from): New prototype. Use the preprocessor's cwd
8063 for files included from the command line.
8064 (read_name_map): Don't simplify the pathname here.
8065 * cpphash.h (enum include_type): New.
8066 (struct buffer): Delete search from. New search_cached.
8067 (_cpp_execute_include): Update prototype.
8068 * cppinit.c (do_includes): Use _cpp_execute_include.
8069 * cpplib.c (do_include_common): New function.
8070 (do_include, do_include_next, do_import): Use it.
8072 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8074 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
8075 contents of the RTL, to determine the name of the object.
8077 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8079 * tree.h (DECL_RTL): Allocate RTL lazily.
8080 (SET_DECL_RTL): New macro.
8081 (DECL_RTL_SET_P): Likewise.
8082 (COPY_DECL_RTL): Likewise.
8083 (DECL_RTL_IF_SET): Likewise.
8084 * varasm.c (make_decl_rtl): Add assertions about the kind of
8085 declaration we are processing.
8086 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
8087 (start_decl): Likewise.
8088 (finish_decl): Likewise.
8089 * c-semantics.c (emit_local_var): Likewise.
8090 * calls.c (expand_call): Likewise.
8091 * dbxout.c (dbxout_symbol): Likewise.
8092 * emit-rtl.c (unshare_all_rtl): Likewise.
8093 (unshare_all_decls): Likewise.
8094 (reset_used_decls): Likewise.
8095 * expr.c (store_constructor): Likewise.
8096 (safe_from_p): Likewise.
8097 (expand_expr): Likewise.
8098 * function.c (put_var_into_stack): Likewise.
8099 (instantiate_decls_1): Likewise.
8100 (assign_parms): Likewise.
8101 (expand_function_start): Likewise.
8102 (expand_function_end): Likewise.
8103 * ggc-common.c (gcc_mark_trees): Likewise.
8104 * integrate.c (function_cannot_inline_p): Likewise.
8105 (copy_decl_for_inlining): Likewise.
8106 (expand_inline_function): Likewise.
8107 (integrate_parm_decls): Likewise.
8108 (integrate_decl_tree): Likewise.
8109 * print-tree.c (print_node): Likewise.
8110 * reg-stack.c (stack_result): Likewise.
8111 * stmt.c (label_rtx): Likewise.
8112 (expand_return): Likewise.
8113 (expand_decl): Likewise.
8114 (expand_decl_cleanup): Likewise.
8115 (expand_anon_union_decl): Likewise.
8116 * toplev.c (check_global_declarations): Likewise.
8117 (rest_of_decl_compilation): Likewise.
8118 * tree.c (simple_cst_equal): Likewise.
8119 * objc/objc-act.c (generate_static_references): Likewise.
8121 2001-03-14 Zack Weinberg <zackw@stanford.edu>
8123 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
8124 gcc_AC_C_FLOAT_FORMAT): New macros.
8125 * configure.in: Add AC_PROG_CPP after CC tests;
8126 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
8127 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
8128 * configure, config.in: Regenerate.
8130 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
8131 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8132 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8133 config/i370/xm-linux.h, config/i370/xm-oe.h,
8134 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8135 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
8136 config/pa/xm-linux.h, config/pa/xm-pa.h,
8137 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
8138 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
8139 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
8140 config/we32k/xm-we32k.h: Delete.
8142 * config/i370/xm-mvs.h, config/m88k/m88k.h,
8143 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8144 config/vax/xm-vms.h: Don't define any of:
8145 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
8147 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
8149 * config.gcc: Remove references to deleted files.
8150 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
8151 FATAL_EXIT_CODE, which is the same between oe and mvs).
8153 2001-03-14 DJ Delorie <dj@redhat.com>
8154 Vladimir Makarov <vmakarov@redhat.com>
8156 * config/i960/i960.c (i960_function_prologue): Compute size of
8157 frame according to number of registers actually saved there.
8159 2001-03-14 Richard Henderson <rth@redhat.com>
8161 * expr.c (emit_move_insn_1): Fix else if around #endif.
8163 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
8164 Vojtech Pavlik
8166 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
8167 constraints.
8169 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
8171 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
8172 (override_options): Parse cmodel string.
8173 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
8174 * i386.h (TARGET_OPTIONS): Add "cmodel".
8175 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
8176 (enum cmodel): New.
8177 (ix86_cmodel_string, ix86_cmodel): Declare.
8179 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
8181 Spot by Matt Kraai:
8182 * i386.h (GENERAL_REG_P): Add missing REG_P.
8184 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
8186 * configure.in: Use $gcc_cv_as instead of $as.
8187 * configure: Regenerated.
8189 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
8191 * cppfiles.c (stack_include_file): Only increase the include
8192 count if we actually process the file properly, as opposed
8193 to treating it as length zero. Only call read_include_file
8194 if not DO_NOT_REREAD. Handle the -H include file output
8195 here.
8196 (read_include_file): Remove now redundant DO_NOT_REREAD check.
8197 (cpp_included, find_include_file): Simplify pathnames after
8198 remapping them. If remapping, don't use the remapped file
8199 name's buffer as our scratch buffer.
8200 (cpp_pop_file_buffer): Replace the multiple include macro
8201 only if it isn't yet set.
8202 (read_name_map): Simplify remapped names when reading in.
8203 (remap_filename): Move code to code path that uses it.
8204 (_cpp_simplify_pathname): Return the input pointer.
8205 * cpphash.h (_cpp_simplify_pathname): Update prototype.
8207 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8209 * expr.c (expand_expr): Revove bogus conditional.
8211 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
8213 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
8215 2001-03-14 Jakub Jelinek <jakub@redhat.com>
8217 * reg-stack.c (stack_result): Unconditionally use
8218 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
8220 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
8222 * expr.c (emit_move_insn_1): Split push of complex value when
8223 no suitable push instruction exist.
8225 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
8226 instead of QI_REG_P.
8228 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8230 * alias.c (handled_component_p, can_address_p): New functions.
8231 (get_alias_set): Use them.
8233 2001-03-13 Jim Wilson <wilson@redhat.com>
8235 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
8236 from 80 in try_locals code.
8237 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
8239 2001-03-13 Zack Weinberg <zackw@stanford.edu>
8241 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
8242 gcc_AC_C_LONG_LONG): New.
8243 * configure.in: Use them. Probe the size of short, int, long,
8244 and long long/__int64 if we have them. Move all the AC_C_*
8245 checks together, except gcc_AC_C_CHAR_BIT which has to go
8246 after AC_CHECK_HEADERS(limits.h).
8247 Take hwint.h out of host_xm_file and build_xm_file.
8249 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
8250 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
8251 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
8252 Move the HOST_WIDEST_INT setup logic here from system.h.
8253 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
8254 defined.
8255 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
8256 is now handled by hwint.h.
8258 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
8259 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
8260 config/ia64/xm-ia64.h: Don't define any of:
8261 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
8262 HOST_BITS_PER_LONGLONG.
8264 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
8265 config/h8300/xm-h8300.h, config/mips/iris6.h,
8266 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
8267 config/sparc/xm-sp64.h: Delete.
8268 * config.gcc: Remove references to deleted files.
8270 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
8271 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
8272 * config/i370/xm-linux.h: Clarify floating-point situation in
8273 a comment.
8275 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
8277 * cppfiles.c (NO_INCLUDE_PATH): New macro.
8278 (find_include_file): Decide here which part of the include
8279 chain to start the search. Complain about an empty include
8280 chain in all cases apart from an abolsute file name.
8281 (_cpp_execute_include): Don't choose the search chain here.
8282 Don't call handle_missing_include in the case of an empty
8283 include chain.
8284 (_cpp_compare_file_date): Don't choose the search chain here.
8285 * cpplib.c (do_include_next): Move the in-main-file diagnostic
8286 here from _cpp_execute_include. Behave like #include if
8287 we're in the main file.
8289 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8291 * system.h (malloc, realloc, calloc, strdup): Only poison these
8292 tokens when IN_GCC is defined.
8294 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
8296 * i386.md (abs?f expander): Support SSE case.
8297 (abd?f_if): Add new "USE"; add splitters.
8299 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8301 * cpp.texi (poison): Explain the macro expansion exception.
8303 2001-03-13 Jakub Jelinek <jakub@redhat.com>
8305 * expr.c (store_expr): Add dont_store_target. If temp is already in
8306 target before copying to reg, don't store it into target again.
8308 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8310 * cppinternals.texi: Update for file handling.
8312 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8314 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
8315 2001-02-24 which broke building the Java library.
8316 * function.c (identify_blocks): Likewise.
8317 (all_blocks): Likewise.
8318 * integrate.c (integrate_decl_tree): Likewise.
8319 * print-tree.c (print_node): Likewise.
8320 * tree.h (BLOCK_NUMBER): Likewise.
8321 (struct tree_block): Likewise.
8323 2001-03-12 David Edelsohn <edelsohn@gnu.org>
8325 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
8326 __WCHAR_TYPE__ definition.
8327 (WCHAR_TYPE_SIZE): #undef before #define.
8329 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8331 * cppfiles.c: Update comments.
8332 (destroy_include_file_node): Rename destroy_node.
8333 (find_or_create_entry): New function.
8334 (open_file, _cpp_fake_include): Use it.
8335 (handle_missing_header): New function, broken out of
8336 _cpp_execute include. Don't segfault if there is no
8337 system or quoted path.
8338 (_cpp_execute_include): Use handle_missing_header.
8340 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8342 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
8343 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
8345 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8347 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
8348 unless anti_dependence says they are.
8349 * alias.c (objects_must_conflict): If neither has a type specified,
8350 they must conflict.
8352 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8353 David Billinghurst <David.Billinghurst@riotinto.com>
8355 * config/mips/iris5.h: Change WCHAR_TYPE to int.
8357 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
8359 * i386.md (trunctfdf2_2): Rename missnamed pattern.
8360 (*_one_bit): Remove type on the match_operand in attributes.
8362 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
8364 * i386.c: Commit forgotten hunk in previous patch.
8365 (regclass_map): Add extended registers.
8366 (dbx_register_map): Add missing frame register.
8368 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
8370 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
8372 * i386.md (x86_sahf_1): Disable for 64bit.
8373 (popsi*, pophi*): Likewise.
8374 (pushqi, pushhi): Likewise.
8375 (movdi, pushdi): Likewise.
8376 (zero extend DImode splitter): Likewise.
8377 (adddi, minusdi splitter): Likewise.
8378 (umulsidi): Likewise.
8379 (umulsi): New.
8380 (mulsidi): Disable for 64bit
8381 (lshift:DI/ashift:DI): Disable for 64bit.
8382 (loop patterns): Likewise.
8383 (call_pop, call_value_pop expanders and patterns): Likewise.
8384 (prologue_get_pc): Likewise.
8385 (leave): Likewise.
8386 (fcmovDI pattern and splitter): Likewise.
8387 (movdfcc_1_rex64): New.
8389 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
8391 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
8392 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
8393 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
8394 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
8395 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
8396 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
8397 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
8398 (PUSH_ROUNDING): x86_64 rounds to 64bits.
8399 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
8400 (REGPARM_MAX): Set to 6 for x86_64.
8401 (SSE_REGPARM_MAX): Set to 16 for x86_64.
8402 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
8403 registers.
8405 * (patterns that does use upper halves): Update constraints
8406 'q' to 'Q' and 'r' to 'R'.
8407 (cmpqi_ext_1): Disable for 64bit.
8408 (cmpqi_ext_3_insn): Likewise.
8409 (movqi_extzv_1): Likewsie.
8410 (addqi_ext_1): Liekwsie
8411 (testqi_ext_1): Liekwsie
8412 (andqi_ext_1): Liekwsie
8413 (xorqi_ext_1): Liekwsie
8414 (cmpqi_ext_1_rex64): New.
8415 (cmpqi_ext_3_insn_rex64): Likewise.
8416 (movqi_extzv_1_rex64): Likewsie.
8417 (addqi_ext_1_rex64): Liekwsie
8418 (testqi_ext_1_rex64): Liekwsie
8419 (andqi_ext_1_rex64): Liekwsie
8420 (xorqi_ext_1_rex64): Liekwsie
8422 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8424 * configure.in: Move check for unsigned enumerated bitfields
8425 to macro in aclocal.m4. Disable it for now.
8426 * configure, config.in: Regenerate.
8427 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
8428 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
8429 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
8430 kind above its first use.
8432 * config/xm-interix.h, config/alpha/xm-alpha.h,
8433 config/i370/xm-linux.h, config/i386/xm-beos.h,
8434 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
8435 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8436 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
8437 Don't define ONLY_INT_FIELDS under any circumstances.
8439 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
8441 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8442 config/sparc/xm-sysv4.h: Delete - now identical with some
8443 other xm header.
8444 * config.gcc (hppa targets): Replace xm-pahpux.h and
8445 xm-papro.h with implicit xm-pa.h.
8446 (sparc targets): Replace xm-sysv4.h with implicit or explicit
8447 xm-sparc.h.
8449 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
8451 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
8452 before reload_cse_noop_set_p.
8454 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8456 * config.gcc: Where xm-host.h used to include another
8457 xm-host.h, list the nested header directly in xm_file. Remove
8458 references to deleted files. Can now use sparc/xm-sp64.h for
8459 sparcv9-*-solaris*.
8461 * config/xm-linux.h, config/arm/xm-linux.h,
8462 config/i386/xm-dos.h, config/i386/xm-gnu.h,
8463 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
8464 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
8465 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
8466 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
8467 Delete.
8469 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
8470 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
8471 bother to wrap #undef in #ifdef.
8472 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
8473 Don't include xm-linux.h.
8474 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
8476 * configure.in: Wrap regexps using [] in changequote block.
8477 Use expr : not echo | grep. Simplify regexps.
8478 * configure: Regenerate.
8480 56 xm-files remain, 22 xm-arch.
8482 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
8485 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8486 (local_index, local_rindex): Delete, use strchr/strrchr instead.
8487 (copy_object): Fix format specifier vs argument mismatch.
8489 * mips-tdump.c: Make local functions static.
8490 (rindex): Don't #undef.
8491 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8492 (fatal, fancy_abort): Delete.
8493 (read_seek): Avoid signed/unsigned compare.
8495 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8497 * combine.c (try_combine): Fix error in change to try original
8498 register.
8499 (gen_rtx_combine): Do same as gen_rtx for now.
8501 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8503 * configure.in: AC_SUBST xm_defines.
8504 * configure: Regenerate.
8505 * Makefile.in: Set DEFINES=$(xm_defines) when building
8506 tconfig.h.
8508 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
8510 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
8511 (cpp_included, find_include_file): Update.
8512 (_cpp_compare_file_date): Make else unconditional.
8514 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
8516 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
8518 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8520 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8521 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8523 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
8525 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8526 if it's a record type.
8528 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
8530 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
8531 mingw includes slightly.
8533 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8535 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8536 #undef token before poisoning it.
8538 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8540 * alpha.c (check_float_value): Use memcpy, not bcopy.
8542 * m32r.c (m32r_sched_reorder): Likewise.
8544 * vax.c (check_float_value): Likewise.
8546 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8548 * toplev.c (file_name_nondirectory): Remove.
8549 * toplev.h: Similarly.
8550 * dwarf2out.c (compute_section_prefix): Use lbasename instead
8551 of file_name_nondirectory.
8553 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8555 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8556 * mips-tfile.c: Don't #undef rindex; not used.
8558 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
8560 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8561 (dbx64_register_map): Declare.
8562 (RETURN_ADDR_RTX): Fix for 64bit.
8563 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8564 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8565 * i386.c (dbx64_register_map): New global array.
8566 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8567 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8568 for 64bits.
8570 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8572 * cppfiles.c (search_from): Use lbasename.
8573 * mkdeps.c (deps_add_default_target): Use lbasename.
8575 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8577 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8578 xcalloc in lieu of malloc, realloc & calloc.
8580 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8582 * gengenrtl.c (xmalloc): Likewise.
8584 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8585 really_call_* memory allocation routines.
8587 * stmt.c (check_for_full_enumeration_handling): Use
8588 really_call_calloc, not calloc.
8590 * system.h (really_call_malloc, really_call_calloc,
8591 really_call_realloc): Define.
8592 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8594 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
8596 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8598 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
8600 * configure: Rebuilt.
8601 * configure.in: Only use `lang_requires' for languages athat are
8602 actually enabled.
8604 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
8606 * invoke.texi: Fix typo.
8607 * gcc.1: Regenerate.
8609 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8611 * configure.in: Prune nonexistent files from build_xm_file,
8612 xm_file, and host_xm_file lists. Warn unless they're
8613 $cpu/xm-$cpu.h.
8614 Don't generate *config.h here.
8615 AC_SUBST all variables needed to generate *config.h.
8616 * configure: Regenerate.
8617 * mkconfig.sh: New helper script, from code removed from
8618 configure.in.
8619 * Makefile.in: Zap all MALLOC variables - no longer used
8620 anywhere, and malloc.c doesn't exist.
8621 Substitute in variables needed to generate *config.h.
8622 Stop lying about the dependencies contained in CONFIG_H and
8623 GCONFIG_H.
8624 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8625 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8626 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8627 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8628 $(TM_P_H), etc. as appropriate.
8630 * config.gcc: Zap references to deleted files.
8631 * ggc-none.c: Don't include rtl.h or tm_p.h.
8633 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8634 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8635 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8636 config/i386/xm-linux.h, config/i386/xm-linux.h,
8637 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8638 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8639 Don't include i386/xm-i386.h.
8641 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8642 config/i386/xm-i386.h, config/i860/xm-i860.h,
8643 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8644 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8645 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8646 Delete (empty except comments, #includes of other deleted
8647 files, and macros used nowhere).
8649 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8651 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8652 independent on TARGET_FLAGS.
8654 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8656 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8658 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8659 extended ones.
8660 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8661 TARGET_64BIT.
8662 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8663 LAST_REX_SSE_REG): define.
8664 (enum reg_class): Add 'LEGACY_REGS'
8665 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8666 (SSE_REGNO_P): Recognize extended registers.
8667 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8668 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8669 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8670 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8671 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8672 REG_OK_FOR_STRREG_P): Remove.
8673 (HI_REGISTER_NAMES): Add extended registers.
8674 (ADDITIONAL_REGISTER_NAMES): Likewise.
8675 (QI_REGISTER_NAMES): Add 8bit extended registers.
8676 (DEBUG_REG): Support extended registers.
8677 * i386.c (regclass_map): Add extended registers.
8678 (dbx_register-map): Likewise.
8679 (svr4_dbx_register_map): Likewise.
8680 (print_reg): Support extended registers.
8681 (print_operand): Support 64bit operands.
8683 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8685 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8686 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8687 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8688 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8689 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8690 STACK_BOUNDARY): Set properly for 64bits.
8691 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8692 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8693 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8694 (MOVE_MAX): Set to 16.
8695 (MOVE_MAX_PIECES): 8 for 64bit.
8696 (Pmode): Set to SImode.
8698 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8700 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8702 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8704 * i386.h (mask_64bit): New constant.
8705 (target_64bit): New macro.
8706 (target_options): Add '64'/'32'
8707 (target_default): Define.
8708 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8709 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8710 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8712 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8714 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8716 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8718 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8719 LO_SUM unless for_alias is set.
8721 2001-03-08 Stan Shebs <shebs@apple.com>
8723 * objc/objc-act.c: Fix old typos in comments, add comments for
8724 various functions.
8725 (hash_init): Fix file name in error message.
8726 (hash_enter): Ditto.
8727 (hash_add_attr): Ditto.
8728 (continue_class): Ditto.
8730 2001-03-08 Bruce Korb <bkorb@gnu.org>
8732 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8733 wait4() can receive the signal.
8735 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8737 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8738 entities.
8739 * fixinc/fixincl.x: Regenerate.
8741 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8743 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8744 on Tru64 UNIX.
8745 * fixinc/fixincl.x: Regenerate.
8747 2001-03-08 Richard Henderson <rth@redhat.com>
8749 * configure.in (HAVE_AS_LEB128): New assembler check.
8750 * configure, config.in: Rebuilt.
8752 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8754 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8755 TFmode too.
8757 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8759 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8760 references to the MAXPATHLEN macro.
8762 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8763 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8764 the POSIX macro.
8766 * config/i386/xm-gnu.h, config/xm-gnu.h,
8767 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8768 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8769 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8770 and/or unused files.
8772 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8773 doing so in various xm-*.h files.
8775 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8777 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8779 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8781 * configure.in (enable_shared): Support per-package shared-library
8782 enabling.
8783 * configure: Rebuilt.
8785 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8787 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8788 for crnot. Set operands[5] in splitter.
8790 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8792 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8793 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8794 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8795 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8796 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8797 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8798 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8799 to the USG macro.
8801 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8802 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8803 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8804 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8805 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8806 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8807 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8808 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8809 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8810 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8811 Delete unused and/or empty files.
8813 * config.gcc: Define USG in xm_defines as appropriate. Define
8814 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8815 macro. Remove deleted xm-* files from $xm_files variable.
8817 2001-03-07 Tom Tromey <tromey@redhat.com>
8819 * configure: Rebuilt.
8820 * configure.in: Allow config-lang.in to set `lang_requires' to list
8821 of other required languages.
8823 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8825 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8826 after its emitted.
8827 (output_prologue): Use xmalloc not oballoc.
8828 (output_epilog): Free a29k_first_epilogue_insn when finished.
8829 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8831 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8833 * builtins.c (expand_builtin_mathfn): Check
8834 flag_unsafe_math_optimizations, not flag_fast_math.
8835 (expand_builtin): Likewise
8836 * combine.c (combine_simplify_rtx): Likewise.
8837 (simplify_if_then_else): Likewise.
8838 * cse.c (fold_rtx): Likewise.
8839 * flags.h: Remove flag_fast_math. Add
8840 flag_unsafe_math_optimizations and flag_trapping_math.
8841 * fold-const.c (negate_expr): Check
8842 flag_unsafe_math_optimizations, not flag_fast_math.
8843 (invert_truthvalue): Likewise.
8844 (fold): Likewise. Before associating operands, check that
8845 code == MULT_EXPR, not code != MULT_EXPR.
8846 * ifcvt.c (noce_try_minmax): Check
8847 flag_unsafe_math_optimizations, not flag_fast_math.
8848 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8849 * invoke.texi: Document -funsafe-math-optimizations and
8850 -fno-trapping-math. Change documentation for -ffast-math.
8851 * jump.c (reversed_comparison_code_parts): Likewise.
8852 (rtx_equal_for_thread_p): Likewise.
8853 * optabs.c (emit_conditional_move): Likewise.
8854 * simplify-rtx.c (simplify_binary_operation): Likewise.
8855 (simplify_relational_operation): Likewise.
8856 (simplify_ternary_operation): Likewise.
8857 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8858 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8859 Add trapping-math and unsafe-math-optimizations entries to f_options.
8860 (set_fast_math_flags): New, sets flags for -ffast-math.
8861 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8862 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8863 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8865 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8866 (alpha_emit_conditional_move): Initialize local_fast_math to
8867 flag_unsafe_math_optimizations, not flat_fast_math.
8868 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8869 instead of setting flag_fast_math to 1.
8870 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8871 not flag_fast_math.
8872 * config/i386/i386.c (override_options): Likewise
8873 * config/i386/i386.md: Likewise.
8874 * config/m68k/m68k.md: Likewise.
8875 * config/mips/mips.md: Likewise.
8876 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8877 (rs6000_generate_compare): Likewise.
8879 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8881 * Makefile.in: Set RANLIB to @RANLIB@.
8882 Remove RANLIB_TEST.
8884 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8886 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8887 * fixinc/fixincl.x: Regenerated.
8889 2001-03-07 Richard Henderson <rth@redhat.com>
8891 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8893 2001-03-07 Richard Henderson <rth@redhat.com>
8895 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8896 of block notes and exception handling notes.
8898 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8899 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8900 (compile_file): ... here.
8902 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8904 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8906 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8907 config.h now. Include libiberty.h to handle alloca.
8909 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8911 * c-parse.in (yylexname): New function, split out of _yylex.
8912 (objc_rid_sans_at): New table.
8913 (init_reswords): Initialize it.
8914 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8915 retrieving the next token and checking it for significance as
8916 an ObjC keyword or string constant.
8918 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8919 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8921 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8922 to CPP_OSTRING.
8924 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8926 * config/m68k/m68k.c (const_uint32_operand): Accept any
8927 const_int on a 32-bit host.
8929 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8931 * objc/objc-act.c (init_objc): Set save_lang_status,
8932 restore_lang_status, and mark_lang_status.
8934 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8936 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8938 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8940 * cppinternals.texi: Update.
8942 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8944 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8945 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8946 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8947 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8948 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8949 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8950 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8951 config/i386/xm-i386.h, config/i860/xm-i860.h,
8952 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8953 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8954 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8955 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8956 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8957 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8958 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8959 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8960 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8961 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8962 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8963 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8964 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8965 match the defaults provided in hwint.h.
8967 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8968 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8970 * config.gcc (xm_file): Don't set to files which are deleted.
8972 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8973 guard this file against these macros being undefined.
8975 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8977 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8978 and DECL_DEFER_OUTPUT on the decl we create, before calling
8979 rest_of_decl_compilation.
8981 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8983 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8984 AC_FUNC_ALLOCA.
8985 * configure, config.in: Regenerate.
8986 * config.gcc: Remove references to deleted files.
8988 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8989 genrecog.c, rtl.c: Do not use alloca anywhere.
8991 * Makefile.in, build-make, system.h, config/x-interix,
8992 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8993 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8994 config/arc/xm-arc.h, config/arm/xm-arm.h,
8995 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8996 config/h8300/xm-h8300.h, config/i370/x-oe,
8997 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8998 config/i386/x-ncr3000, config/i386/x-sco5,
8999 config/i386/xm-dgux.h, config/i860/x-sysv4,
9000 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
9001 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
9002 config/m68k/x-hp320g, config/m69k/x-mot3300,
9003 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
9004 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
9005 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
9006 config/m88k/x-sysv4, config/m88k/x-tekXD88,
9007 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
9008 config/mips/x-iris, config/mips/x-iris3,
9009 config/mips/x-sni-svr4, config/mips/x-sysv,
9010 config/mips/xm-iris6.h, config/mips/xm-mips.h,
9011 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
9012 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
9013 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
9014 config/pa/xm-papro.h, config/romp/xm-romp.h,
9015 config/rs6000/x-aix31, config/rs6000/x-aix41,
9016 config/rs6000/x-beos, config/rs6000/x-lynx,
9017 config/rs6000/x-mach, config/rs6000/x-rs6000,
9018 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
9019 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9020 config/sparc/x-sysv4, config/sparc/xm-linux.h,
9021 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
9022 config/vax/xm-vms.h: Eradicate all references to alloca and
9023 related stuff.
9025 * config/xm-alloca.h, config/clipper/x-clix,
9026 config/i386/xm-sysv4.h, config/i860/x-fx2800,
9027 config/i860/x-sysv3, config/m88k/x-sysv3,
9028 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
9029 (contained only alloca related hacks).
9031 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
9032 USE_C_ALLOCA.
9034 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
9036 * invoke.texi: Document __FAST_MATH__.
9038 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9040 * crtstuff.c: Restore include of auto-host.h.
9042 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
9044 Put main() in a separate file, so that the language
9045 front-end can use a different main().
9047 * main.c: New.
9048 * toplev.c: (main): Rename as toplev_main.
9049 * toplev.h: Declare toplev_main.
9050 * Makefile.in (OBJS): add toplev.o.
9051 (BACKEND): remove toplev.o, add main.o.
9053 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9055 * cppfiles.c (search_from): Special case the empty string.
9057 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9059 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
9060 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
9061 strlen or strcpy; we already know the length.
9062 (_cpp_compare_file_date): Similarly.
9063 * cpphash.h (struct cpp_reader): Delete done_initialising.
9064 (CPP_PREV_BUFFER): Delete.
9065 * cppinit.c (cpp_start_read): Don't set done_initialising.
9066 * cpplex.c (parse_string): Guarantee null-termination.
9067 (_cpp_equiv_toklists): Remove.
9068 * cpplib.c (glue_header_name): Null-terminate.
9069 (do_line): Don't leak memory.
9070 * cpplib.h (BT_WEAK): Delete.
9071 * cppmain.c (cb_ident): Strings are now null-terminated.
9073 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
9075 * gcc.c (convert_filename): Append executable suffix
9076 if NO_AUTO_EXE_SUFFIX is not defined.
9077 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
9078 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
9080 2001-03-03 David O'Brien <obrien@FreeBSD.org>
9082 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9083 * c-parse.gperf, c-gperf.h: Delete.
9084 (c-gperf.h was accidently re-added to the CVS repo in the rev
9085 1.16 commit by tromey)
9087 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9089 * cpplex.c (_cpp_lex_token): Don't warn about directives in
9090 macro arguments when looking for the '('.
9091 * cppmacro.c (funlike_invocation_p): Set parsing_args to
9092 2 when really parsing arguments; 1 when looking for '('.
9093 Always restore the lexer position.
9095 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9097 * longlong.h (umul_ppmm): Don't use a multiline string.
9099 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
9101 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
9102 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
9103 t_bool in declaration because pcc can't combine volatile with typedef
9104 types.
9106 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
9108 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
9109 until when it is really needed.
9110 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
9111 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
9112 * i386.md (float?i?f splitter): Don't force source operand to memory
9113 for SSE.
9114 (sse_movdfcc): Fix constraint.
9115 (sse_movdfcc splitter): Handle properly the second alternative.
9117 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9119 * cpplex.c (parse_string): Unconditionally pedwarn.
9121 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9123 * cpp.texi: Update.
9124 * cppexp.c (parse_number): Update.
9125 * cpplex.c (parse_string): Pedwarn if multiline string does not
9126 result from a system header's macro.
9127 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
9128 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
9129 for function-like macros too.
9130 * c-lex.c (lex_number): Update.
9132 2001-03-03 Richard Henderson <rth@redhat.com>
9134 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
9136 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
9138 * combine.c (try_combine): If split with mode-changed scratch
9139 register didn't work, try the original mode.
9141 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
9143 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
9144 * config/c4x/c4x.h: Likewise.
9145 * stor-layout.c (compute_record_mode): Likewise.
9146 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
9148 2001-03-02 Zack Weinberg <zackw@stanford.edu>
9150 * configure.in: Kill tm.h. Include the files in the $tm_file
9151 list in all three of config.h, hconfig.h, tconfig.h, after the
9152 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
9153 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
9154 * configure: Regenerate.
9155 * Makefile.in (clean): Don't delete tm.h.
9157 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
9158 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
9159 those are not defined, set SEC and FEC to 0 and 1.
9160 * gcc.texi: Update to match.
9162 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
9163 * config/fp-bit.c, config/m68k/aux-crt2.asm,
9164 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
9165 Include tconfig.h, not tm.h.
9167 * config/xm-lynx.h, config/xm-std32.h,
9168 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
9169 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
9170 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
9171 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9172 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9173 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9174 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
9175 config/i386/xm-i386.h, config/i860/xm-i860.h,
9176 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
9177 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
9178 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
9179 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
9180 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
9181 config/pa/xm-linux.h, config/pa/xm-pa.h,
9182 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
9183 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
9184 config/pj/xm-pj.h, config/romp/xm-romp.h,
9185 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9186 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9187 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9188 config/v850/xm-v850.h, config/vax/xm-vax.h,
9189 config/we32k/xm-we32k.h:
9190 Don't include tm.h.
9191 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
9193 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
9194 config/i370/xm-oe.h: Don't include tm.h. Don't define
9195 SUCCESS_EXIT_CODE.
9196 * config/vax/xm-vms.h: Don't include tm.h.
9198 * config/xm-lynx.h, config/avr/xm-avr.h,
9199 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
9200 Delete; made empty by above changes.
9201 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
9202 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
9203 Don't include config/xm-lynx.h or tm.h.
9205 * config/xm-gnu.h: Don't include fcntl.h.
9206 * config/sparc/xm-lynx.h: Don't include sys/types.h and
9207 sys/wait.h.
9208 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
9210 2001-03-02 Richard Henderson <rth@redhat.com>
9212 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
9213 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
9215 2001-03-02 Richard Henderson <rth@redhat.com>
9217 * Makefile.in (OBJS): Add dwarf2asm.o.
9218 * dwarf2asm.c, dwarf2asm.h: New files.
9219 * dwarf2out.c (*): Use them.
9220 (size_of_uleb128, size_of_sleb128): Remove.
9221 (output_uleb128, output_sleb128): Remove.
9222 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
9223 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
9224 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
9225 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
9226 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
9227 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
9228 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
9229 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
9230 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
9231 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9232 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
9233 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
9234 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
9235 (dwarf2out_frame_debug): Remove unused variables.
9236 (output_loc_operands): Don't abort on 8 byte constants if
9237 host integers are wide enough.
9238 (output_symbolic_ref): Remove.
9239 (size_of_die): Don't assume 4 byte host integers.
9240 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
9241 and end labels.
9242 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
9243 something stupid with HOST_WIDE_INT to long truncation.
9244 [CONST_DOUBLE]: Likewise.
9246 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
9247 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9248 * config/arm/unknown-elf.h: Likewise.
9249 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
9250 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
9251 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
9252 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
9253 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
9254 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
9255 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
9256 (ASM_OUTPUT_DWARF_OFFSET): Remove.
9257 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
9258 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
9259 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
9260 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
9262 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9264 * cselib.c (hash_rtx): Cast enums to unsigned int.
9266 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9268 * print-rtl.c (print_rtx): Cast enums to int for comparison.
9269 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
9270 shifts.
9271 * c-format.c (C_STD_VER): Cast to int for comparisons.
9272 (check_function_format): Cast various enums to int for &.
9273 (maybe_read_dollar_number): Likewise.
9274 (check_format_info): Likewise.
9275 (check_format_info_main): Likewise.
9276 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
9277 (safe_from_p): Likewise.
9278 * varasm.c (const_hash): Cast enum to int for %.
9279 * emit-rtl.c (init_emit_once): Use int loop variable to work around
9280 pcc enum problems with < and ++ operators.
9281 * regclass.c (init_reg_sets_1): Cast enums for comparison.
9282 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
9283 (regclass_init): Change enum class to int to iterate over reg_classes.
9284 * genrecog.c (merge_trees): Cast enums for comparison.
9285 * rtl.h (GET_CODE): Cast to enum rtx_code.
9286 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
9287 (GET_MODE): Cast to enum machine_mode.
9288 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
9289 (GET_NOTE_INSN_NAME): Cast enum to int.
9290 * tree.h (TREE_CODE): Cast to enum tree_code.
9291 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
9292 * timevar.c (timevar_print): Change loop variable id from enum to
9293 unsigned int.
9294 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
9295 * config/i386/i386.md: Use PUT_MODE for mode assignment.
9296 * toplev.c (compile_file): Cast enum DFI to int.
9297 (decode_d_option): Likewise.
9299 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
9301 * cppinit.c (append_include_chain): Mark "after" include file name list
9302 as a system directory.
9303 * cpp.texi: Document new behavior.
9305 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
9307 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
9309 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
9311 * cppfiles.c (struct include_file): Update.
9312 (stack_include_file): Use search_from.
9313 (cpp_included, find_include_file): Update.
9314 (cpp_execute_include): Update. ptr->name may not be
9315 null terminated. Use the new search_from member variable
9316 of cpp_buffer.
9317 (_cpp_compare_file_date): Similarly.
9318 (search_from): New function, similar to actual_directory.
9319 (actual_directory): Delete.
9320 (remap_filename): Update. loc->name may not be null terminated.
9321 (struct file_name_list): Rename search_path. Update.
9322 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
9323 search_from and dir.
9324 (struct cpp_reader): Remove actual_dirs.
9325 * cppinit.c (struct cpp_pending): Update for renamed objects.
9326 (append_include_chain, remove_dup_dir, remove_dup_dirs,
9327 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
9328 * cpplib.h (struct cpp_options): Similarly.
9330 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9332 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
9333 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
9334 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
9335 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9336 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9337 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9338 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
9339 config/i370/xm-linux.h, config/i370/xm-mvs.h,
9340 config/i370/xm-oe.h, config/i386/xm-aix.h,
9341 config/i386/xm-i386.h, config/i386/xm-osf.h,
9342 config/i860/xm-i860.h, config/i960/xm-i960.h,
9343 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
9344 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
9345 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
9346 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
9347 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
9348 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
9349 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
9350 config/pj/xm-pj.h, config/romp/xm-romp.h,
9351 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9352 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9353 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9354 config/v850/xm-v850.h, config/vax/xm-vax.h,
9355 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
9356 Do not define TRUE or FALSE.
9358 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
9359 empty by above change.
9360 * config.gcc: Remove references to these files.
9362 * configure.in: Detect stdbool.h.
9363 * configure, config.in: Regenerate.
9364 * system.h: Include stddef.h here if available.
9365 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
9366 Then set up a sensible boolean type at the very end.
9368 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
9369 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
9371 * hash.h: Delete 'boolean' typedef and related #undefs.
9373 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
9374 all uses of 'boolean' with 'bool'.
9376 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9378 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
9379 * cppexp.c (lex): Cast enums for comparison.
9380 * cppinit.c (parse_option): Cast enum for comparison.
9381 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
9382 (cpp_output_token): Likewise.
9383 (cpp_can_paste): Cast enums for comparsion and plus/minus.
9384 (cpp_avoid_paste): Cast enums for minus and comparison.
9386 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9388 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
9389 field to all array elements.
9391 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9393 * cpphash.h (struct cpp_reader): Add print_version field.
9394 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
9395 just set print_version and other flags as appropriate.
9396 (cpp_post_options): Print version here if print_version is set.
9398 * toplev.c (exit_after_options): New flag.
9399 (independent_decode_option): Don't exit here; just set
9400 exit_after_options.
9401 (main): Exit after calling lang_hooks.post_options if
9402 exit_after_options is true.
9404 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
9405 (merge_include_chains): Adjust comment to match code.
9407 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9409 * stringpool.c (set_identifier): New function.
9410 * tree.h: Prototype it.
9412 * c-parse.in: Kill D_YES. If compiled for objc, call
9413 save_and_forget_protocol_qualifiers from init_reswords.
9414 * objc/objc-act.c (remember_protocol_qualifiers,
9415 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
9416 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
9417 vice versa.
9418 (save_and_forget_protocol_qualifiers): New function.
9419 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
9421 2001-03-01 Diego Novillo <dnovillo@redhat.com>
9423 * c-semantics.c (prune_unused_decls): Return error_mark_node
9424 instead of (tree) 1 to stop traversing the tree chain.
9426 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9428 Fix a problem introduced by Kenner's Feb 18 change.
9429 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
9430 flag_cse_skip_blocks only temporarily, not for ever.
9432 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
9434 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
9435 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
9437 * pa.c (emit_move_sequence): Verify operand0 is a hard register
9438 before determining its register class.
9440 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9442 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
9443 from reg 4 if current_function_calls_setjmp.
9444 (gen_nop_type): New function.
9445 (ia64_emit_nops): New function.
9446 (ia64_reorg): Call it.
9447 (ia64_sched_reorder): Move code that rotates bundles up a bit.
9449 * reload1.c (eliminate_regs_in_insn): Restrict the special case
9450 code not to try to optimize adds with anything but a REG destination.
9452 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
9453 (INSN_PRIORITY_KNOWN): New accessor macro.
9454 * haifa-sched.c (priority): Use it instead of testing priority against
9455 zero.
9457 2001-02-28 DJ Delorie <dj@redhat.com>
9459 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
9460 since that doesn't work the way gcc wants on a generic m68k.
9462 2001-02-28 Richard Henderson <rth@redhat.com>
9464 * caller-save.c (save_call_clobbered_regs): Fix typo in
9465 comparison last change.
9467 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
9469 * i386.c (pentium4_cost): New.
9470 (m_PENT4): New macro.
9471 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
9472 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
9473 x86_integer_DFmode_moves, x86_partial_reg_dependency,
9474 x86_memory_mismatch_stall): Add Pentium4
9475 (x86_use_q_reg, x86_use_any_reg): Kill.
9476 (override_options): Add pentium4.
9477 (incdec_operand): Return 0 for pentium4.
9478 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
9479 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
9480 (TARGET_PENTIUM4): Define.
9481 (enum processor_type): Add PROCESSOR_PENTIUM4.
9482 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
9483 * i386.md (attribute "cpu"): Add pentium4.
9484 * invoke.texi (march): Add pentium4.
9486 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
9488 * i386.md (sse_mov?fcc*): New patterns and splitters.
9489 * i386.c (ix86_expand_movcc): Work post-reload; recognize
9490 the SSE based conditional moves.
9492 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
9494 * i386.md (attribute mode): Add "TI".
9495 (movsf_1): Add pxor support; remove constant propagation splitter.
9496 (movdf_integer): Likewise.
9497 (movdf_nointeger): Likewise.
9498 (movxf constant prop splitter): Handle all modes; update for SSE.
9499 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
9500 * i386.c (standard_80387_constant_p): Rewrite.
9501 (standard_sse_constant_p): New.
9502 * i386-protos.h (standard_sse_constant_p): New.
9504 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
9506 * i386.md (sse_setccsf, sse_setccdf): New.
9507 (sse_cmp* patterns): Use '%D' instead of outputtting condition
9508 flag directly.
9509 * i386.c (sse_comparison_operator): Accept the supported unordered
9510 comparses; be ready for fast_math.
9511 (print_operand): Support 'D'.
9513 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
9515 * jump.c (reversed_comparison_code): Kill.
9517 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
9519 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9520 for STACK_REGS
9522 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
9524 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9525 add missing '%' in constraints.
9527 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
9529 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9530 for HOST_BITS_PER_WIDE_INT == 32 too.
9532 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
9534 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
9535 NREGS.
9536 (insert_save, insert_restore): New parameter save_mode.
9537 (init_caller_save): Update initialization of reg_save_code
9538 and reg_restore_code.
9539 (save_call_clobbered_regs): Compute save_modes and update calls to
9540 reg_save_code and reg_restore_code.
9541 (insert_restore): Unsignetize numbers; use save_modes to choose mode
9542 of spill; update use of reg_restore_code.
9543 (insert_save): Likewise.
9544 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9545 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9546 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9548 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9550 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9551 noce_try_store_flag_inc, noce_try_store_flag_mask,
9552 noce_try_cmove_arith):
9553 Use reversed_comparison_code instead of reverse_comparison and
9554 can_reverse_comparison_p.
9556 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
9558 * jump.c (reversed_comparison_code_parts): Allow reversal of
9559 unordered compares in -ffast-math mode; reverse ordered compares
9560 for FP even w/o -ffast-math.
9562 2001-02-27 Richard Henderson <rth@redhat.com>
9564 * print-rtl.c (print_rtx) [i]: Don't print field five on
9565 NOTEs other than NOTE_INSN_DELETED_LABEL.
9567 2001-02-27 Zack Weinberg <zackw@stanford.edu>
9569 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9570 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9572 2001-02-27 Diego Novillo <dnovillo@redhat.com>
9574 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9575 even if walk_subtrees is 0.
9576 * c-semantics.c (prune_unused_decls): Return a non-null value to
9577 stop traversing the tree chain.
9579 2001-02-27 DJ Delorie <dj@redhat.com>
9581 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9582 register, *then* define it as the new CFA.
9584 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
9586 * pa.c (override_options): Promote -fpic to -fPIC.
9587 (legitimize_pic_address): Simplify due to removal of
9588 small PIC as a code generation option.
9589 (secondary_reload_class): Similarly.
9590 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9591 (PRINT_OPERAND_ADDRESS): Similarly.
9592 * pa.md (various patterns): Similarly.
9593 (small pic lo_sum pattern): Remove.
9595 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
9596 Fergus Henderson
9598 * md.texi (min, max): Document
9600 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
9602 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9603 TARGET_PARTIAL_REG_DEPENDENCY.
9604 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9606 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
9608 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9610 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
9612 * mips.c (mips_make_temp_file): Fix thinko in last change.
9614 2001-02-26 Jason Eckhardt <jle@redhat.com>
9616 * combine.c (known_cond): Do not reverse the condition when
9617 SMAX/UMAX is being considered and the condition is for equality
9618 or inequality.
9620 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9622 2001-02-26 Philip Blundell <philb@gnu.org>
9624 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9625 "armv2-*-linux".
9626 * config/arm/linux-elf.h: Remove historical relics related to
9627 above configurations.
9628 * config/arm/linux-oldld.h: Delete.
9629 * config/arm/linux-elf26.h: Delete.
9631 2001-02-26 Jason Merrill <jason@redhat.com>
9633 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9634 definitions.
9635 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9636 recognize a tentative definition. Lose obsolete code.
9638 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9639 variables unless necessary, either.
9641 2001-02-25 Richard Henderson <rth@redhat.com>
9643 * ifcvt.c (struct noce_if_info): Add test_bb.
9644 (noce_get_alt_condition): New.
9645 (noce_try_minmax, noce_try_abs): New.
9646 (noce_operand_ok): New.
9647 (noce_process_if_block): Use them.
9648 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9650 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9652 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9653 include.
9655 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9657 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9658 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9659 properly.
9660 (mips_asm_file_end): Free temp_filename here.
9662 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9664 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9665 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9667 * config/i386/i386.md (movstrsi): Handle FAIL case.
9669 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9671 * cppinit.c (builtin_array): Update.
9672 (init_builtins): Flag builtins to warn if redefined or
9673 undefined. Define __GXX_WEAK as a normal macro.
9674 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9675 * cpplib.h (NODE_WARN): New flag.
9676 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9677 Handle __STDC__ as a builtin only on Solaris.
9678 (warn_of_redefinition): Renamed from check_macro_definition.
9679 Reverse sense of test. Always warn if NODE_WARN.
9680 (_cpp_create_definition): Use warn_of_redefinition. Flag
9681 any macro beginning with "__STDC_" to require a mandatory
9682 warning if redefined or undefined.
9684 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9686 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9687 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9688 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9689 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9690 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9691 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9692 Don't define any of:
9693 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9694 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9695 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9696 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9697 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9699 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9700 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9701 definitions.
9703 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9704 Delete now-empty file.
9706 * alpha/vms.h: Define NEED_ATEXIT here...
9707 * alpha/xm-vms.h: ...not here.
9709 * i386/cygwin.h: Don't define PARAMS.
9710 * mips/mips.c: Don't prototype mktemp. Don't define
9711 P_tmpdir. Use make_temp_file to create temporary files.
9712 Don't be clever and delete temporary files early.
9713 * config.gcc: Drop references to deleted files. Don't define
9714 FULL_PROTOTYPES.
9715 * gcc.texi: Don't mention USE_PROTOTYPES.
9717 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9719 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9720 (ix86_set_move_mem_attrs_1): Likewise.
9721 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9722 * config/i386/i386.md (movstrsi): Call it.
9724 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9726 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9727 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9728 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9729 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9731 (i750a-*-*): Error here if hosting on i750a.
9732 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9734 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9735 Remove (empty modulo comments).
9737 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9738 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9739 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9740 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9741 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9742 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9744 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9745 Remove reference to winnt.h in comment.
9746 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9748 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9750 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9751 used to set another biv.
9753 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9755 * tree.h (BLOCK_DEAD): New macro.
9756 (struct tree_block): New flag, dead_flag.
9757 * print-tree.c (print_node, case 'b'): Print missing fields.
9758 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9759 * function.c (identify_blocks): Enable test for misplaced notes.
9760 (all_blocks): Skip BLOCK_DEAD blocks.
9761 * integrate.c (integrate_decl_tree): Likewise.
9763 * errors.c (internal_error, trim_filename): New functions.
9764 (fancy_abort): Call internal_error.
9765 * errors.h (internal_error, trim_filename): New declarations.
9767 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9769 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9770 2000-08-26's patch.
9771 (EXTRA_CONSTRAINT): Formatting changes.
9773 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9775 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9777 2001-02-23 Per Bothner <per@bothner.com>
9779 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9780 so they can be called from java/jvspec.c.
9781 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9783 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9785 * i386.c (ix86_frame): New structure.
9786 (ix86_compute_frame_size): Kill.
9787 (ix86_compute_frame_layout): New.
9788 (ix86_save_reg): New.
9789 (ix86_can_use_return_insn_p): Use frame layout stuff.
9790 (ix86_expand_prologue): Likewise.
9791 (ix86_expand_epilogue): Likewise.
9792 (ix86_initial_elimination_offset): Likewise.
9793 (ix86_nsaved_regs): Use ix86_save_reg.
9794 (ix86_emit_save_regs): Likewise.
9796 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9798 * flow.c (find_sub_basic_blocks): New function.
9799 (split_block): Be ready for basic block introduced by CODE_LABEL.
9800 (commit_one_edge_insertion): Call find_sub_basic_block.
9802 * flow.c (make_edges): Add edge from entry for blocks starting with
9803 label having ALTERNATE_NAME
9805 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9807 * function.c (epilogue_done): Be ready for first basic block not
9808 containing PROLOGUE_END note.
9809 (reposition_prologue_and_epilogue_notes): Avoid placing
9810 PROLOGUE_END note between BASIC_BLOCK.
9812 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9814 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9816 2001-02-21 DJ Delorie <dj@redhat.com>
9818 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9819 check for current_function_has_nonlocal_goto from 1999-11-12.
9821 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9823 * diagnostic.c (trim_filename): No longer static.
9824 * toplev.h (trim_filename): Declare.
9825 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9826 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9827 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9828 (rtvec_check_failed_bounds): Likewise.
9829 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9831 * convert.c (convert_to_integer): Don't do unsigned unless result or
9832 both inputs are unsigned.
9834 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9835 input overflows.
9837 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9839 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9841 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9843 * Makefile.in (resource.o): Add params.h dependence.
9844 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9845 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9846 * resource.c: Add dependence on params.h.
9847 (current_live_regs): Fix explanatory comment.
9848 (find_basic_block): Add new parameter to permit limiting search
9849 for a BARRIER.
9850 (mark_target_live_regs): Add new argument to find_basic_block call.
9851 (incr_ticks_for_insn): Likewise.
9853 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9855 * diagnostic.c (output_to_stream): Rename to
9856 output_buffer_to_stream. Loses the stream parameter.
9857 (init_output_buffer): Set diagnosic_buffer's stream.
9858 (flush_diagnostic_buffer): Adjust.
9859 (default_print_error_function): Likewise.
9860 (finish_diagnostic): Likewise.
9861 (verbatim): Likewise.
9863 * diagnostic.h (struct output_buffer): Add `stream' field.
9864 (output_buffer_attached_stream): New macro.
9866 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9868 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9869 check if either operand is divisible by C.
9870 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9871 If type is signed, consider negative numbers as well.
9873 2001-02-22 Richard Henderson <rth@redhat.com>
9875 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9876 reach .text instead of gp-relative relocs.
9877 * config/ia64/crtend.asm (.init): Likewise.
9879 2001-02-22 Andreas Jaeger <aj@suse.de>
9881 * extend.texi (C++ Attributes): Fix typo.
9883 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9885 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9886 functions, drop current_function_args_info.words test.
9887 (ia64_compute_frame_size): Mark syscall_linkage functions as
9888 using eight input registers.
9890 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9891 Bruce Korb <bkorb@gnu.org>
9893 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9894 * fixinc/README: Document how to convert sed substitutions
9895 to format style c_fix-es.
9896 * fixinc/fixincl.x: regen
9898 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9900 * gcc.c: Add comment explaining how to add a command-line option.
9901 Add title to specs language comment.
9903 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9905 * gcc.c (cc1_options): Add "-param".
9906 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9907 (option_map): Likewise.
9908 * toplev.c (display_help): Add entry for "--param".
9909 (independent_decode_option): Fix typographical error.
9911 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9912 Bernd Schmidt <bernds@redhat.com>
9913 Jan Hubicka <jh@suse.cz>
9915 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9916 (function_arg): Likewise.
9918 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9920 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9922 2001-02-21 Kazu Hirata <kazu@hxi.com>
9924 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9925 character.
9926 (xorsi3): Likewise.
9928 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9930 * flow.c (init_propagate_block_info): Canon address and use single_set
9931 for killing dead memory stores.
9933 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9935 * Makefile.in (reorg.o): Add params.h dependence.
9936 * params.def: Fix typographical error in comment.
9937 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9938 * params.h: Modify introductory comment.
9939 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9940 * reorg.c: Add dependence on params.h.
9941 (redundant_insn): Add parameterized throttle for search.
9942 (fill_simple_delay_slots): Add a comment explaining a variable.
9943 Move conditional out of loop, simplifying code.
9944 (fill_eager_delay_slots): Fix typographical error in comment.
9946 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9948 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9950 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9951 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9953 2001-02-21 Jason Merrill <jason@redhat.com>
9955 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9956 (struct tree_decl): Add uninlinable bitfield.
9957 * c-decl.c (duplicate_decls): Set it.
9958 * integrate.c (function_cannot_inline_p): Check it.
9960 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9961 DW_AT_MIPS_linkage_name to abstract methods.
9962 (dwarf2out_abstract_function): Emit class context before calling
9963 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9964 (gen_subprogram_die): Remove obsolete code.
9965 (gen_member_die): Don't include clones in the member list.
9966 (gen_decl_die): Emit abstract info for clone origin.
9967 * dwarfout.c (output_type): Don't include clones in the member list.
9968 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9969 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9970 DECL_ABSTRACT on a function that already has it set.
9972 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9973 (get_subprogram_die): Pass it in.
9975 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9977 * flow.c (mark_set_1): Make not_dead unsigned long. For
9978 non-pseudos, use it as a bitmask of the hard regs that
9979 don't die.
9981 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9983 * cppfiles.c: Update comments.
9984 (_cpp_read_file): Don't check for NULL filenames any more.
9985 * cppinit.c (cpp_start_read): Don't do canonicalization of
9986 in_fname and out_fname. Use the passed file name exclusively.
9987 (_cpp_handle_options): Don't treat "-" as a command line option,
9988 but as a normal filename.
9989 (_cpp_post_options): Canonicalize in_fname and out_fname.
9990 * cppmain.c (printer_init): Don't check out_fname for NULL.
9991 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9992 (init_c_lex): Update, and use "" to represent stdin to CPP.
9993 (yyparse): Update.
9995 2001-02-20 Will Cohen <wcohen@redhat.com>
9997 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9998 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9999 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
10000 fixunstfsi_libfunc.
10002 2001-02-20 Stan Shebs <shebs@apple.com>
10004 * config/rs6000/rs6000.c (output_cbranch): Output branches
10005 on separate lines instead of using ';' to separate.
10007 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
10009 * cppinit.c (set_lang): Move builtin handling to...
10010 (init_builtins): ...here.
10011 (_cpp_create_reader): Move call to set_lang.
10013 2001-02-20 Mark Mitchell <mark@codesourcery.com>
10015 * stmt.c (expand_return): If an attempt is made to return the
10016 error_mar_node, treat the return like a return without a value.
10018 2001-02-19 Zack Weinberg <zackw@stanford.edu>
10020 * sibcall.c (skip_copy_to_return_value): Call
10021 identify_call_return_value here, and return orig_insn if it
10022 returns zero. Hardret and softret arguments now unnecessary.
10023 (call_ends_block_p): Don't call identify_call_return_value here.
10025 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
10026 's' slots in RTXen.
10027 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
10028 * ggc.h (ggc_mark_if_gcable): Delete prototype.
10030 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
10032 * pa.c (move_operand): Accept code to load the address of a
10033 symbol out of the DLT as a valid move operand.
10034 (print_operand, case 'A'): New to handle generating a DLT
10035 reference for a LO_SUM expression.
10036 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
10037 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
10039 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
10041 * README, cpp.texi, gcc.texi, version.c: Update version number to
10042 3.1.
10043 * cpp.1, gcov.1, gcc.1: Regenerate.
10045 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
10047 * cppfiles.c (stack_include_file): Generate dependencies
10048 here, and manage include_count here too.
10049 (PRINT_THIS_DEP): Delete.
10050 (_cpp_execute_include): Do not generate dependencies here,
10051 apart from the case of a missing header. Do not manage
10052 include_count.
10053 (_cpp_read_file): Leave dependency generation to
10054 stack_include_file.
10056 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
10058 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
10059 target_cpu_default. Remove dead assignment to
10060 target_cpu_default.
10062 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
10064 * regclass.c (contains_reg_of_mode): Make global.
10065 (init_reg_sets): Remove contains_reg_of_mode; take into account
10066 CLASS_MAX_NREGS when looking for the proper mode.
10067 (dump_regclass): Dump only classes considered for the pseudo.
10068 (regclass): Use contains_reg_of_mode.
10070 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
10072 * gcc.c (do_spec_1): 'n' for printing notices.
10073 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
10075 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
10077 * reg-stack.c (next_flags_user): Use current_block->end
10078 (swap_rtx_condition): Look for next user if flags don't die;
10079 give up on CALL_INSNs; use current_block->end.
10081 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10083 * sibcall.c (call_ends_block_p): New function.
10084 (optimize_sibling_and_tail_recursive_call): Use it.
10086 2001-02-18 Kazu Hirata <kazu@hxi.com>
10088 * config/h8300/h8300.md: Update copyright.
10089 (andsi3): Do not output an extra newline character.
10091 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10093 * toplev.c (note_deferral_of_defined_inlined_function): Argument
10094 FNDECL may be unused.
10096 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
10097 follow jumps after first run.
10098 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
10099 it doesn't change any jumps.
10101 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
10103 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
10104 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
10105 (mostlyclean): Corresponding changes.
10106 * rtlanal.c (hard-reg-set.h): Include.
10107 (rtx_unstable_p): Do not treat the argument pointer specially
10108 if it is not a fixed register.
10109 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
10111 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10113 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
10114 against last real insn in basic block.
10115 Rework to avoid gotos.
10117 * Makefile.in (gcse.o): Now includes ggc.h.
10118 * gcse.c: Include ggc.h.
10119 (want_to_gcse_p): Verify expression can be in SET as valid insn.
10120 (try_replace_reg): Remove warning of uninitialize variable.
10121 (process_insert_insn): Call invalid_insn_p to validate insn.
10122 * recog.c (insn_invalid_p): Now global.
10123 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
10124 * recog.h (insn_invalid_p): New declaration.
10126 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
10128 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
10129 assignments from FP constants since 'Y' output code can't handle it.
10130 (eligible_for_sibcall_delay): Likewise.
10132 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
10133 Call fancy_abort directly, passing args.
10134 (print_rtl_and_abort): Now a macro, like fancy_abort.
10136 * final.c (output_operand_lossage): Use internal_error, not error.
10138 2001-02-18 Shane Nay <shane@agendacomputing.com>
10140 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
10141 structure shift insns.
10143 2001-02-18 Mark Mitchell <mark@codesourcery.com>
10145 * invoke.texi (-fsquangle): Remove documentation.
10146 (-fname-mangling-version): Likewise.
10148 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
10150 * optabs.c (expand_abs): Remove reference to
10151 HAVE_contitional_arithmetic.
10152 * combine.c (simplify_set): Likewise.
10154 2001-02-18 Richard Henderson <rth@redhat.com>
10156 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
10157 would be disrupted.
10159 2001-02-18 Richard Henderson <rth@redhat.com>
10161 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
10163 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
10165 * reload1.c (reload_cse_simplify_set): Fix typo.
10167 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10169 * diagnostic.c (_fatal_insn): Decrement errorcount.
10171 * invoke.texi (-I): Add note avoiding use for system header files.
10173 * rtl.h (add_clobbers): Remove duplicate declaration.
10174 * recog.h (added_clobbers_hard_reg_p): New declaration.
10175 * genemit.c (struct clobber_pat): New field has_hard_reg.
10176 (gen_insn): Record if added clobbers clobber hard reg.
10177 (gen_split): Avoid unused warning if number of operands is 0.
10178 (output_added_clobbers_hard_reg_p): New function.
10179 (main): Call it.
10181 2001-02-18 Alan Modra <alan@linuxcare.com.au>
10183 * pa.c (hppa_expand_prologue): Simplify code storing return
10184 pointer. For large (>=8k) frames with a post_store, adjust stack
10185 pointer by 8k-64 first rather than by 64. When testing with
10186 VAL_14_BITS_P, always use the actual value rather than the value
10187 negated. Add blockage to prevent scheduling of spills before
10188 stack frame has been created.
10189 (hppa_expand_epilogue): Simplify code loading return pointer.
10190 Allow a slightly larger range for merge_sp_adjust_with_load case.
10191 When testing with VAL_14_BITS_P, always use the actual value.
10193 * pa.c (pa_adjust_insn_length): Check that block move
10194 pattern is a set before looking at operands.
10196 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10198 * fold-const.c (fold_binary_op_with_conditional_arg): New
10199 function, split out from ...
10200 (fold): ... here.
10201 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
10202 conditional arms that throw exceptions.
10204 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
10205 looking at a BLOCK.
10207 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10209 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
10210 define HAVE_DECL_* to 1 to mask potential backup declarations.
10211 * configure: Regenerated.
10213 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10215 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
10217 2001-02-17 Richard Henderson <rth@redhat.com>
10219 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
10220 when replacing a memory load with a register.
10222 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10223 Jan Hubicka <jh@suse.cz>
10225 * recog.c (validate_replace_src_1): New.
10226 (validate_replace_src_data): Likewise.
10227 (validate_replace_src): Use note_uses.
10228 * rtl.h (note_uses): Declare.
10229 * rtlanal.c (note_uses): New.
10231 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
10233 * reg-stack.c (stack_def): Make field reg unsigned.
10234 (remove_regno_note): Unsignetize parameter.
10236 2001-02-16 Jes Sorensen <jes@linuxcare.com>
10238 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
10239 shladd_operand() call.
10241 2001-02-16 Bruce Korb <bkorb@gnu.org>
10242 Rodney Brown <RodneyBrown@mynd.com>
10244 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
10245 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
10246 machine restrictions
10247 * fixinc/fixincl.x: regen
10249 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10251 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
10252 Don't CSE a nop.
10253 (hash_scan_insn): Clean up calls to hash_scan_set.
10254 (compute_kill_rd): REGNO now unsigned.
10255 (try_replace_reg): Rework to use simplify_replace_rtx.
10256 (cprop_jump, cprop_cc0_jump): Likewise.
10257 (cprop_insn): Call find_reg_equal_equiv_note.
10258 Reflect changes to cprop_jump and cprop_cc0_jump.
10260 * recog.c (validate_replace_src): Replace in operands of
10261 ZERO_EXTRACT in SET_DEST.
10263 * cse.c (new_label_ref): New variable.
10264 (insert): Set it instead of recorded_label_ref.
10265 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
10266 CODE_LABEL for this function, and not already in REG_LABEL note.
10268 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
10270 * resource.c (mark_referenced_resources): Fix typo in introductory
10271 comment.
10272 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
10273 string constant.
10275 2001-02-16 Jason Merrill <jason@redhat.com>
10277 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
10278 NULL.
10279 (gen_subprogram_die): Don't abort on seeing a second definition if
10280 the previous one was abstract. Don't replace an abstract instance
10281 in the lookup table.
10283 * dwarf2out.c (dwarf2out_abstract_function): Rename from
10284 gen_abstract_function.
10285 * dwarf2out.h: Declare it.
10286 * toplev.c (note_outlining_of_inline_function): New fn.
10287 * toplev.h: Declare it.
10288 * integrate.c (output_inline_function): Call it.
10289 * c-decl.c (duplicate_decls): Call it when redefining an extern
10290 inline. Don't inline the new defn.
10292 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
10294 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10296 * .gdbinit: Rename to gdbinit.in.
10297 * gdbinit.in: New file,
10298 * configure.in: Generate .gdbinit from gdbinit.in.
10299 * configure: Regenerated.
10300 * Makefile.in (distclean): Always remove .gdbinit.
10302 2001-02-16 Jakub Jelinek <jakub@redhat.com>
10304 * objc/objc-act.c (start_class): Register implemented_classes with
10305 GC.
10307 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
10309 * cppfiles.c (_cpp_make_system_header): Generate a file
10310 change callback.
10312 2001-02-15 Jim Meyering <meyering@lucent.com>
10314 * Makefile.in (install-common): Don't depend on installdirs here.
10315 Instead, make each of the lang.install-common targets (e.g.,
10316 c++.install-common in cp/Make-lang.in) depend on it.
10317 (install-driver): Depend on installdirs.
10319 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10321 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
10323 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
10324 do in memory.
10326 2001-02-15 Mark Mitchell <mark@codesourcery.com>
10328 * invoke.texi (--param): Document.
10330 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
10332 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
10334 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
10336 * i386.md (extendsfdf2_2): Fix constraints.
10338 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
10340 * i386.md (fop_df_3 splitter): Fix operand number.
10342 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
10344 * invoke.texi (-mreg-alloc): Nuke.
10345 * i386.c (ix86_reg_alloc_order, regs_allocated,
10346 order_regs_for_local_alloc): Nuke.
10347 (override_options): Kill reg_alloc code.
10348 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
10349 (REG_ALLOC_ORDER): SSE goes before I387.
10350 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
10351 (ix86_reg_alloc_order): Likewise.
10352 * i386-protos.h (ix86_reg_alloc_order): Kill.
10354 2001-02-14 Richard Henderson <rth@redhat.com>
10356 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
10358 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
10360 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
10362 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
10364 * i386-protos.h (ix86_memory_move_cost): Move offline.
10365 * i386.c (ix86_register_move_cost): Compute properly cost of
10366 SSE, MMX and i387 instructions.
10367 (*_cost): Add costs of SSE/MMX moves.
10368 (ix86_memory_move_cost): Move offline from ....; Likewise.
10369 * i386.h (MEMORY_MOVE_COST): .... here;
10370 (struct processor costs): Add new fields to represent costs
10371 of SSE/MMX moves.
10373 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
10375 * regclass.c (init_reg_sets_1): Reinstall the optimization of
10376 move_cost together with Matt Kraai's fix.
10378 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10380 * Makefile.in (OBJS): Add params.o.
10382 2001-02-14 Richard Henderson <rth@redhat.com>
10383 DJ Delorie <dj@redhat.com>
10385 * jump.c (jump_optimize_1): When we delete a conditional jump
10386 preceding a non-conditional jump to effectively the same place,
10387 make sure that the combined jump skips any clobber insns between
10388 the two labels.
10390 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10392 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
10394 2001-02-14 Mark Mitchell <mark@codesourcery.com>
10396 * Makefile.in (toplev.o): Depend on params.h.
10397 (intergate.o): Likewise.
10398 (params.o): New target.
10399 * flags.h (inline_max_insns): Remove.
10400 * integrate.c: Include params.h.
10401 Use MAX_INLINE_INSNS instead of inline_max_insns.
10402 * params.c: New file.
10403 * params.h: Likewise.
10404 * params.def: Likewise.
10405 * toplev.c: Include params.h.
10406 (lang_independent_params): New variable.
10407 (decode_f_option): Use the param machinery instead of setting
10408 max_inline_insns.
10409 (independent_decode_option): Handle "--param name=value".
10410 (main): Register language-independent parameters.
10412 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
10414 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
10416 2001-02-14 Richard Henderson <rth@redhat.com>
10418 * regclass.c (init_reg_sets_1): Revert last two changes.
10420 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10422 * stor-layout.c (is_pending_size, put_pending_size): New functions.
10423 (variable_size): Call put_pending_size.
10424 * tree.h (is_pending_size, put_pending_size): Add prototypes.
10425 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
10426 sizes list, put newly created SAVE_EXPR there as well.
10428 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10430 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
10431 (errata_find_address_regs): load_group has only 2 entries.
10432 (errata_emit_nops): Likewise. shladd is not problematic.
10433 Clear last_group if nop was emitted.
10434 (fixup_errata): load_group has only 2 entries.
10435 Optimize.
10437 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
10439 * c-lex.c (lex_number): Only warn traditionally for U suffix
10440 outside system macros.
10441 * cppexp.c (parse_number): Similarly.
10442 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
10443 * cppmacro.c (struct cpp_macro): New member node.
10444 (parse_args): Only warn about missing rest args if not
10445 a system macro.
10446 (funlike_invocation_p): Similarly for uninvoked funlike macros.
10447 (cpp_sys_objmacro_p): New.
10448 (_cpp_create_definition): Store the node with the macro defn.
10449 Remember if the macro is defined in a system header.
10451 2001-02-13 DJ Delorie <dj@redhat.com>
10453 * configure.in (check_languages): determine languages to check
10454 * Makefile.in (check-c++): alias for check-g++
10455 (check-f77): alias for check-g77
10456 (CHECK_TARGETS): depend on configured languages
10458 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
10460 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10461 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10462 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10463 (sqrtextendsfdf2): Disable for SSE2.
10465 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
10467 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10468 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10469 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10470 (sqrtextendsfdf2): Disable for SSE2.
10472 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
10474 * i386.md (movsfcc_1): Support integer cmove instruction.
10475 (movdfcc_1): Likewise; new splitter.
10477 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
10479 * i386.c (output_fp_compare): Support SSE.
10480 (prepare_fp_compare_args): SSE comparisons always support memory.
10481 * i386.h (TARGET_CMOVE): SSE imply cmove.
10482 * i386.md (cmp?f2): Enable for SSE too.
10483 (cmpfp_i*): Support SSE.
10484 (cmpfp_i_sse): New.
10485 (cmpfp_i_sse_only): New.
10486 (s*, b* fp expanters): Enable for SSE too.
10487 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
10488 New patterns.
10490 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
10492 * regclass.c (init_reg_sets_1): Silence warning.
10494 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
10496 * i386.md (sqrt?f2): Change to expander.
10497 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
10499 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10501 * rtlanal.c (find_reg_equal_equiv_note): New function.
10502 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
10503 (simplify_gen_relational, simplify_replace_rtx): Likewise.
10504 * rtl.h: Add declarations for above functions.
10506 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
10508 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
10509 conditionals.
10510 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
10511 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
10512 * flow.c (mark_regs_live_at_end): Likewise.
10513 (calculate_global_regs_live): Likewise.
10514 * gcse.c (compute_hash_table): Likewise.
10515 (compute_kill_rd): Likewise.
10516 * resource.c (mark_target_live_regs): Likewise.
10517 * rtl.h (INVALID_REGNUM): New macro.
10519 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
10521 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10523 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
10525 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10526 for SSE.
10528 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
10530 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10531 too.
10532 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10533 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10534 (fop_sf_1_sse, fop_df_1_sse): New patterns
10535 (fop_*): Disable float_extend and float patterns for SSE compilation.
10536 * i386.c (output_387_binary_op): Support SSE.
10538 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
10540 * i386.md (dummy_extendsfdf2): Support SSE2
10541 (extendsfdf2): Enable if 80387 or SSE2.
10542 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10543 and no MIX_I387_SSE2
10544 (extendsfdf2_1_sse_only): New pattern.
10545 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10546 of SSE.
10547 (truncdfsf2_1): Support SSE.
10548 (truncdfsf2_2): Support SSE.
10549 (truncdfsf2_2_1_sse): New pattern.
10550 (fixtruncsfsi2): Always use SSE if available.
10551 (fix_truncsfsi_sse): New pattern.
10552 (fix_truncdfsi_sse): New pattern.
10553 (floatsis?f2): Support SSE.
10554 (floatsidf2_i387): New pattern.
10555 (floatsidf2_sse): Likewise.
10557 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10559 * configure.in: Use "have_gnat" variable, not "gnat".
10560 * configure: Regenerated.
10562 * config/sparc/sparc.c (function_value): Treat all non-record
10563 aggregate types like used to treat UNION_TYPE.
10565 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
10567 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10568 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10569 (MASK_SSE2): New.
10570 (MASK_MIX_SSE_I387): New.
10571 (TARGET_SSE): SSE2 imply SSE.
10572 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10573 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10574 (enum reg_class): Add new classes.
10575 (REG_CLASS_NAMES): Likewise.
10576 (REG_CLASS_CONTENTS): Likewise.
10577 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10578 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10579 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10580 (CLASS_MAX_NREGS): Use new macros.
10581 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10582 * i386.md (pushsf, movsf): Support SSE.
10583 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10584 splitters to use ANY_FP_REGNO_P.
10585 (movdf_nointeger, movdf_integer): Likewise.
10587 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10589 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10590 (try_combine): Use it.
10592 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
10594 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10595 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10596 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10597 (REGISTER_MOVE_COST): Likewise.
10598 * i386-protos.h (ix86_secondary_memory_needed,
10599 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10600 * i386.c (ix86_secondary_memory_needed,
10601 ix86_preferred_reload_class, ix86_register_move_cost): New function.
10603 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
10605 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10606 (HARD_REGNO_MODE_OK): Move offline to ....
10607 * i386.c (ix86_hard_regno_mode_ok) ... here;
10608 refuse all incorrect modes.
10609 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10611 2001-02-13 Richard Henderson <rth@redhat.com>
10613 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10614 entire operator; replicate that and match_dup the operands.
10615 (cmp_ccx_arith_op_set): Likewise.
10616 (cmp_cc_arith_op_not_set): Likewise.
10617 (cmp_ccx_arith_op_not_set): Likewise.
10619 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10621 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10623 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10625 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10626 (TARGET_NO_BITFIELD_WORD): New macro.
10627 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10628 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10630 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10632 * cselib.c: New file, from simplify-rtx.c.
10633 * simplify-rtx.c: Remove cselib parts.
10634 * Makefile.in: Add cselib.o.
10636 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10638 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10639 (setup_incoming_varargs): Remove warning.
10641 * config/rs6000/rs6000.c (validate_condition_mode): When
10642 flag_fast_math, allow floating-point conditionals to be reversed.
10643 (rs6000_generate_compare): When flag_fast_math, don't generate
10644 cror operations for FP conditionals.
10646 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10647 -mcall-i960.
10648 (ASM_SPEC): Likewise.
10649 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10650 (CC1_SPEC): Likewise.
10651 (LINK_TARGET_SPEC): Likewise.
10652 (CPP_ENDIAN_SPEC): Likewise.
10653 * Makefile.in (check-consistency): New target.
10655 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10657 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10658 "return type defaults" warning for functions with return type
10659 defaulting to int.
10660 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10661 function declarations by default rather than only when pedantic.
10663 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10665 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10666 arrays.
10668 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10670 * extend.texi (Deprecated): Deprecate new initializer lists.
10672 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10674 * mkdeps.c (deps_add_default_target): Robustify. Add
10675 basename component only.
10676 * cpp.texi (-M): Describe how default target is generated.
10677 * invoke.texi (-M): Likewise.
10679 2001-02-12 Kazu Hirata <kazu@hxi.com>
10681 * toplev.c (push_float_handler): Remove.
10682 (pop_float_handler): Remove.
10683 * toplev.h: Remove prototypes for the above functions.
10685 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10687 * c-common.c (constant_fits_type_p): New function.
10688 (convert_and_check): Use it.
10690 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10692 * Makefile.in (GXX_ABI_FLAG): Don't define.
10693 * configure.in (--enable-new-gxx-abi): Remove option.
10694 * config.in: Regenerated.
10695 * configure: Likewise.
10697 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10699 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10700 basic block.
10701 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10702 regular basic block, and arrange for all edges into it to switch
10703 to normal mode.
10705 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10707 * Makefile.in (distclean): Do not remove .gdbinit.
10709 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10711 * Makefile.in (gcc.o): Fix typos.
10712 (protize.o): Likewise.
10713 (unprotoize.o): Likewise.
10715 2001-02-11 Richard Henderson <rth@redhat.com>
10717 * tree.c (build1): Check for null operand in last change.
10719 2001-02-11 Richard Henderson <rth@redhat.com>
10721 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10722 (fold): Don't assume a constant isn't foldable.
10723 * tree.c (build): Set TREE_CONSTANT for an expression with no
10724 side-effects and constant operands.
10725 (build1): Likewise.
10727 2001-02-10 Richard Henderson <rth@redhat.com>
10729 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10731 2001-02-10 Anthony Green <green@redhat.com>
10733 * cpp.texi (Standard Predefined): Add documentation for
10734 __OPTIMIZE_SIZE__.
10736 * c-common.c (combine_strings): Improve warning message.
10738 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10740 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10741 --oformat.
10742 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10744 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10746 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10747 CYGWIN_CROSS_DIR.
10749 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10751 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10752 fp_mode attribute.
10754 2001-02-09 Nick Clifton <nickc@redhat.com>
10756 * config/arm/arm.md: Change output contraint on post inc
10757 load/store multiple patterns to be a read/write contraint.
10759 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10761 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10762 .o files when using the -M options.
10764 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10765 David Edelsohn <edelsohn@gnu.org>
10767 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10768 handle DImode constants. Use one TOC entry for SImode and smaller
10769 constants, aligned properly.
10771 2001-02-08 Jason Merrill <jason@redhat.com>
10773 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10774 about the SP adjustment for saving the static chain pointer.
10775 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10776 offset when setting a temporary CFA register.
10778 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10780 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10781 powerpc-*-chorusos* .
10782 * config/rs6000/chorus.h : New file.
10783 * config/i386/chorus.h : New file.
10784 * config/sparc/chorus.h : New file.
10785 * config/sparc/t-chorus-elf : New file.
10787 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10789 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10790 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10791 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10792 (__WCHAR_TYPE__): Correct macro name.
10794 2001-02-08 Richard Henderson <rth@redhat.com>
10796 * config/i386/i386.c (ix86_frame_pointer_required): New.
10797 (ix86_setup_frame_addresses): New.
10798 (struct machine_function): Add accesses_prev_frame.
10799 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10800 ix86_frame_pointer_required.
10801 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10802 (SETUP_FRAME_ADDRESSES): New.
10803 * config/i386/i386-protos.h: Update.
10804 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10805 from FRAME_POINTER_REQUIRED.
10806 * config/i386/svr3gas.h: Likewise.
10807 * config/i386/sysv3.h: Likewise.
10808 * config/i386/v3gas.h: Likewise.
10810 2001-02-08 Richard Henderson <rth@redhat.com>
10812 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10813 calculation of the number of integer registers required.
10814 (function_arg_record_value): Likewise.
10816 2001-02-08 Jason Merrill <jason@redhat.com>
10818 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10819 two. Print file and line with "confused" message.
10821 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10823 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10825 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10827 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10829 * final.c (cleanup_subreg_operands): The address of a MEM can
10830 contain SUBREGs.
10832 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10833 for asms, too.
10835 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10837 * gcc.texi (Incompatibilities): Update documentation of
10838 preprocessing numbers.
10840 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10842 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10844 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10846 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10848 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10849 * gcc.c (struct compiler): Add cpp_spec field.
10850 (input_file_compiler): New variable.
10851 (do_spec_1): Allow a particular compiler to handle `%C'
10852 specially.
10853 (main): Store the current compiler in input_file_compiler.
10854 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10856 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10858 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10859 * cppinit.c (cpp_create_reader): Initialize them.
10860 (append_include_chain): cxx_aware arg might be unused.
10861 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10862 keywords and give them their phase 7 meaning. Pedwarn about
10863 this unless '__bool_true_false_are_defined' is defined.
10865 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10867 * lcm.c (optimize_mode_switching): Emit mode_set before the
10868 JUMP_INSN of an abnormal edge.
10870 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10872 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10873 a scheduling barrier at the end.
10875 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10877 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10879 * config/sh/sh.md (reload_outsf): Removed.
10880 (movsf_ie): Introduce constraints for FPUL loads and stores.
10881 (reload_insf): Broaden the output constraint.
10883 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10884 defined.
10885 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10886 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10888 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10890 * final.c: Revert my previous changes.
10891 * output.h: Make profile_label_no extern.
10892 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10893 for generating label.
10895 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10897 * config/i386/djgpp.h: Add comments about standard paths.
10898 (MD_EXEC_PREFIX): Undefine before defining.
10899 (MD_STARTFILE_PREFIX): New.
10901 2001-01-30 Bruce Korb <bkorb@gnu.org>
10903 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10904 (load_file): do not rely on load_file_data() to close file pointer
10905 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10906 fixinc/inclhack.def(irix_limits_const): add test_text
10908 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10910 * cppexp.c (parse_defined): Improve diagnostics for invalid
10911 syntax.
10913 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10915 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10917 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10919 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10920 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10921 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10922 (rs6000_output_symbol_ref): New function.
10923 (output_toc): Use VTABLE_NAME_P.
10925 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10927 * print-tree.c (print_node, case PARM_DECL):
10928 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10930 * stor-layout.c (reference_types_internal): New variable.
10931 (internal_reference_types): New function.
10932 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10933 * tree.h (internal_reference_types): New declaration.
10935 * cse.c (find_best_addr): Fix typo in computing cost.
10937 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10939 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10940 and this is the sum of a pointer and a constant, we know the result
10941 did not overflow.
10942 (num_sign_bit_copies, case PLUS): Likewise.
10943 * explow.c (convert_memory_address): Remove opposite SUBREG.
10944 * function.c (instantiate_new_reg): New function (from common code).
10945 (instantiate_virtual_regs_1): Call it.
10946 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10947 if pointers sign- or zero-extend.
10948 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10949 If pointers extend unsigned, use inside of SUBREG.
10950 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10952 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10954 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10955 subdir of gcc_gxx_include_dir.
10956 (gcc_gxx_target_include_dir): Remove.
10958 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10960 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10961 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10962 a high-level description.
10964 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10966 * final.c: Move the declaration of profile_label_no to ...
10967 * output.h: ... here.
10968 * function.c (expand_function_start): Call PROFILE_HOOK.
10969 * config/rs6000/aix.h: Define PROFILE_HOOK.
10970 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10971 * config/rs6000/rs6000.c (output_profile_hook): Define.
10972 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10973 output_profile_hook.
10974 tm.texi : Explain new macro PROFILE_HOOK.
10976 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10978 * extend.texi (Extended Asm): Do not say that semicolon is always
10979 a valid line-breaking character for GNU assemblers. Use
10980 newline-tab as the most commonly supported syntax. Use
10981 newline-tab rather than semicolon in multi-insn examples.
10983 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10985 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10987 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10988 David Edelsohn <edelsohn@gnu.org>
10990 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10991 code for AIX, even without flag_pic.
10993 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10995 * c-typeck.c (common_type): push and pop binding level around
10996 calling common_type on function parameters.
10998 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
11000 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
11002 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11004 * config/mips/mips.c (override_options): Fix typo in last change.
11005 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
11006 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
11008 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
11010 * invoke.texi (-fdump-class-layout): Document.
11011 (-fdump-translation-unit): Use `=' as filename separator.
11013 2001-02-05 Mark Mitchell <mark@codesourcery.com>
11015 * Makefile.in (s-mlib): Don't build multilibs if
11016 --disable-multilib.
11017 (DRIVER_DEFINES): Adjust accordingly.
11018 (gcc.o): Likewise.
11019 (protoize.o): Likewise.
11020 (unprotoize.o): Likewise.
11021 * configure.in: Recognize --enable-multilib.
11023 2001-02-04 Mark Mitchell <mark@codesourcery.com>
11025 * Makefile.in (DRIVER_DEFINES): Fix quoting.
11027 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
11028 * configure.in: Remove --enable-libstdcxx_v3 support.
11029 * configure: Regenerated.
11031 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11033 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
11034 Call abort instead of fatal.
11035 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
11036 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
11037 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
11038 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
11039 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
11040 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
11042 * diagnostic.h (set_internal_error_function): Renamed.
11043 * toplev.h (internal_error): Renamed from fatal.
11044 (pfatal_with_name): Deleted.
11045 (fatal_io_error): Now has printf-style arguments.
11046 * diagnostic.c (pfatal_with_name): Deleted.
11047 (fatal_io_error): Rework to have args in printf-style.
11048 (set_internal_error_function): Renamed from set_fatal_function.
11049 (internal_error): Renamed from fatal.
11050 (error_recursion, fancy_abort): Call internal_error instead of fatal.
11051 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
11052 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
11053 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
11054 * flow.c (verify_flow_info): Likewise.
11055 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
11056 * config/mips/mips.c (save_restore_insns): Likewise.
11058 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
11059 * flow.c (verify_flow_info): Likewise.
11060 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
11061 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
11062 (avr_normalize_condition): Likewise.
11063 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
11064 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
11065 (limit_reload_class, double_reg_to_memory): Likewise.
11066 (print_operand_address, emit_1600_code_shift): Likewise.
11067 (gen_tst_reg, gen_compare_reg): Likewise.
11068 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
11069 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
11070 Deleted.
11071 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
11073 * c-parse.in (methoddef): Call fatal_error instead of fatal.
11074 * objc/objc-act.c (build_ivar_chain): Likewise.
11075 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
11076 pfatal_with_name.
11077 * graph.c (clean_graph_dump_file): Likewise.
11078 * profile.c (init_branch_prob): Likewise.
11079 * objc/objc-act.c (objc_init): Likewise.
11081 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
11082 * config/avr/avr.c (avr_override_options): Likewise.
11083 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
11084 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
11085 * config/h8300/h8300.c (h8300_init_once): Likewise.
11086 * config/mips/mips.c (override_options): Likewise.
11087 * config/i386/i386.c (override_options): Likewise, rework.
11088 * config/m68k/m68k.c (override_options): Likewise.
11090 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
11091 instead of fatal.
11092 * config/mips/mips.c (print_operand): Likewise.
11093 * hash.c (hash_allocate): Don't check for failure returns from
11094 obstack functions that can't fail.
11095 (hash_table_init_n, hash_table_init): Likewise; also now return void.
11096 * hash.h (hash_table_init_n, hash_table_init): Now return void.
11097 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
11098 (get_object_reference): Likewise.
11100 2001-02-04 Nick Clifton <nickc@redhat.com>
11102 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
11103 StrongARM1110, 10TDMI, and 1020T.
11105 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11107 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
11109 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
11111 * config/sh/sh.md (movdf load split): Pass register number to
11112 FP_OR_XD_REGISTER_P.
11114 2001-02-04 Mark Mitchell <mark@codesourcery.com>
11116 * cppinit.c (BC): New macro.
11117 (builtin_array): Add __GXX_WEAK__.
11118 * cpplib.h (builtin_type): Add BT_WEAK.
11119 * cppmacro.c (builtin_macro): Handle BT_WEAK.
11120 * defaults.h (SUPPORTS_ONE_ONLY): Define.
11121 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
11123 2001-02-03 Jakub Jelinek <jakub@redhat.com>
11125 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
11127 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11129 * cpphash.h: Rename _ALIGN POOL_ALIGN.
11130 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11132 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11134 * cpphash.h: Rename ALIGN _ALIGN.
11135 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11137 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
11139 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
11140 compilation environment.
11141 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
11142 control over location of cygwin includes and libs.
11144 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11146 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
11148 2001-02-02 lars brinkhoff <lars@nocrew.org>
11150 * md.texi (Standard Names): remove reference to spur.md.
11152 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11154 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
11155 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
11156 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
11157 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
11158 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11160 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11162 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
11163 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
11164 number before reload.
11165 (c4x_adjust_cost): Return zero before reload.
11166 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
11167 split before reload.
11169 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11171 * c4x.c (c4x_hard_regno_rename_ok): New.
11172 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
11173 * c4x.h (HARD_REGNO_RENAME_OK): Define.
11175 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11177 * diagnostic.h: Add missing "extern" in all declarations.
11179 2001-02-02 Alex Samuel <samuel@codesourcery.com>
11181 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
11182 as for gcc_gxx_include_dir.
11184 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
11186 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
11188 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11190 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
11191 label before alignment to be used as the braf base address.
11192 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
11193 branches.
11194 (casesi_jump_2): Require at least TARGET_SH2.
11196 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
11197 truncation to 32-bit doubles on -m3e and -m4-single-only.
11199 2001-02-02 Mark Mitchell <mark@codesourcery.com>
11201 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
11202 the default when building a shared object.
11203 (init_spec): Use it.
11204 * testsuite/lib/g++.exp: Include the directory where libgcc
11205 is located to the LD_LIBRARY_PATH list.
11206 * invoke.texi (-shared-libgcc): Document the cases in which
11207 GCC defaults to using the shared libgcc.
11209 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11211 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
11212 unsigned is wide enough.
11213 (BITS_PER_SI): New.
11214 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
11215 (si_to_float): Likewise.
11216 (float_to_si, float_to_usi): Use BITS_PER_SI.
11218 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11220 * dwarf2out.c: Added explanation of abbreviations.
11221 (def_cfa_1): Added comments listing DWARF2 instructions.
11222 (cfa_temp_reg): Removed in favor of cfa_temp.
11223 (cfa_temp_value): Removed in favor of cfa_temp.
11224 (cfa_temp): New global variable.
11225 (dwarf2out_frame_debug_expr): Added extensive introductory
11226 comments explaining the function's transformations. Revised to
11227 use cfa_temp. Added some rtx checking. Generalize IOR case.
11228 (dwarf2out_frame_debug): Revised to use cfa_temp.
11229 (output_aranges): Cast as "unsigned" to avoid warning.
11230 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
11231 explain which instructions must be marked.
11233 2001-02-01 Richard Henderson <rth@redhat.com>
11235 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
11236 new instruction.
11238 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
11240 * config/sh/crt1.asm (main_k): Modified so that start calls
11241 ___setup_argv_and_call_main.
11243 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
11245 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
11246 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
11247 and AVOID_LPASTE is cleared on meeting an unescaped newline.
11248 * cppmacro.c (builtin_macro): Set builtin flags here.
11249 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
11250 (replace_args): Clarify intent.
11251 (cpp_get_token): Macro expansion tokens get the saved flags.
11252 Update.
11253 * cppmain.c (scan_buffer): Remove now-redundant print.printed
11254 check.
11256 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11258 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
11259 2001-Jan-29.
11261 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11263 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
11264 returns Pmode pseudo, but we need ptr_mode.
11265 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
11266 Remove bogus conversions; use HOST_WIDE_INT for size.
11267 Don't use TARGET if wrong mode.
11269 * config/i386/i386.c (ix86_compute_frame_size): Allow
11270 stack_alignment_needed to be non-default even if size is zero.
11272 2001-01-31 Alan Modra <alan@linuxcare.com.au>
11274 * pa.c (hppa_init_pic_save): New function.
11275 * pa.h (hppa_init_pic_save): Declare.
11276 * pa.md (call, call_value, sibcall, sibcall_value): Use
11277 the above instead of duplicated code.
11279 * pa.c (hppa_encode_label): Correct size of alloca buffer
11280 so we don't overrun it. Correct leading `*' case.
11281 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
11282 need to handle `*@'.
11283 (FUNCTION_NAME_P): Likewise.
11285 2001-01-31 Richard Henderson <rth@redhat.com>
11287 * config.gcc (alpha-osf5): Use float-i128.h.
11289 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
11290 * config/float-i32.h: Likewise.
11291 * config/float-i64.h: Likewise.
11292 * config/float-sh.h: Likewise.
11293 * config/float-sparc.h: Likewise.
11295 2001-01-31 DJ Delorie <dj@redhat.com>
11297 * expmed.c (extract_bit_field): allow non-integral modes if we
11298 want to extract a whole register from itself.
11300 2001-01-31 Jakub Jelinek <jakub@redhat.com>
11302 * c-typeck.c (set_init_index): If first is equal to last, assume as
11303 if it was not a range at all.
11305 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11307 * config/fp-bit.c: Include tm.h.
11308 (float_to_si): Don't assume SImode is 32-bits wide.
11309 (float_to_usi): Likewise.
11311 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
11313 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
11314 incomplete type.
11315 (typename): Call pending_xref_error after parsing typed_typespecs.
11316 * c-decl.c (lookup_tag): Give error immediately rather than
11317 leaving it pending if the tag of the wrong type is in the same
11318 binding level.
11319 (xref_tag): Don't pedwarn for forward declarations of enum types
11320 here.
11321 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
11322 and enum tags.
11324 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11326 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
11328 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11330 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
11331 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
11333 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11335 * cpphash.h (struct cpp_reader): New saved_flags.
11336 * cppmacro.c (cpp_get_token): Use saved_flags to remember
11337 to avoid a paste after a pasted token.
11339 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11341 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
11342 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
11343 Wtype_MIN instead of LONG_MIN.
11345 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11347 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
11348 README file.
11349 * fixinc/fixincl.x: Regenerated.
11350 * fixinc/inclhack.def (irix_limits_const): New definition to
11351 convert "const" to "__const" in limits.h.
11353 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11355 * fixinc/genfixes (AG): Fix "autogen4" thinko.
11357 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11359 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
11360 when register dies in the insn.
11362 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11364 * diagnostic.c (fatal): Fix word wrap.
11366 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
11368 * combine.c (try_combine): Fix SUBREG setting for
11369 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
11371 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11373 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
11374 comparison codes.
11376 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11378 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
11379 is not NULL.
11380 * toplev.c (decode_W_option): Update warn_larger_than
11381 unconditionally for each processed switch.
11383 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
11385 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
11386 to NULL_RTX.
11387 (hppa_expand_prologue): Delete code to save pic offset table register
11388 in the function prologue.
11389 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
11390 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
11391 table register at the beginning of the function after the prologue.
11393 2001-01-29 lars brinkhoff <lars@nocrew.org>
11395 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
11397 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
11398 Jeff Law <law@redhat.com>
11400 * pa.md (return): Revise comment for trivial return.
11401 (return_internal): Non-trivial return pattern for non-PIC code.
11402 (return_internal_pic): Non-trivial return pattern for PIC code.
11403 It uses the PIC register to ensure it is restored after
11404 function calls.
11405 (epilogue): Generate appropriate return for PIC and non-PIC code.
11407 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
11409 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
11411 2001-01-29 DJ Delorie <dj@redhat.com>
11413 * combine.c (if_then_else_cond): Pass the correct mode to
11414 operand_subword() for constants.
11416 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
11418 * config/i386/cygwin.h: Add w32api to include search. Search different
11419 directories in a cross-build environment.
11421 2001-11-29 Tim Josling <tej@melbpc.org.au>
11423 * tree.h (TYPE_STUB_DECL): Add documentation.
11425 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
11427 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
11428 (sdbout_field_types): Likwise. Fix use of host_integerp.
11430 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
11432 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
11433 cygwin.h.
11435 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
11437 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
11438 to use flag_gnu_linker.
11440 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
11442 * cpplib.c (T_BAD_DIRECTIVE): Remove.
11443 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
11445 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
11447 * tree.c, tree.h (build_parse_node): Remove; was identical to
11448 build_nt.
11449 * c-lang.c (start_cdtor), objc/objc-act.c
11450 (build_module_descriptor): Use build_nt instead of
11451 build_parse_node.
11453 2001-01-29 Jakub Jelinek <jakub@redhat.com>
11455 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
11456 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
11457 not have any upper bits set.
11459 2001-01-29 Phil Edwards <pme@sources.redhat.com>
11461 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
11463 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11465 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
11467 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
11469 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
11470 (integer_minus_one_node): Define.
11472 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
11474 * Makefile.in (bootstrap2-lean): Fix typo.
11476 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
11478 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
11479 : Don't set fe_value.
11480 * cpplib.h (AVOID_LPASTE): New flag.
11481 (struct cpp_hashnode): Remove fe_value.
11482 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
11483 * cppmacro.c (builtin_macro): Don't set flags here.
11484 (replace_args): Set AVOID_LPASTE flag on first token of an
11485 argument, and the token following it.
11486 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
11487 macro expansion, and on the token following it. Do it for
11488 builtins too.
11489 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
11491 2001-01-27 Richard Henderson <rth@redhat.com>
11493 * config/alpha/t-ieee: Remove multilibbing.
11494 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
11496 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11498 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
11500 * Makefile.in: Remove all dependencies on defaults.h.
11501 * builtins.c: Don't include defaults.h.
11502 * c-common.c: Likewise.
11503 * c-decl.c: Likewise.
11504 * c-pragma.c: Likewise.
11505 * c-typeck.c: Likewise.
11506 * combine.c: Likewise.
11507 * i386.c: Likewise.
11508 * frame-ia64.c: Likewise.
11509 * cppexp.c: Likewise.
11510 * crtstuff.c: Likewise.
11511 * dbxout.c: Likewise.
11512 * dwarf2out.c: Likewise.
11513 * dwarfout.c: Likewise.
11514 * emit-rtl.c: Likewise.
11515 * except.c: Likewise.
11516 * expr.c: Likewise.
11517 * final.c: Likewise.
11518 * frame-dwarf2.c: Likewise.
11519 * libgcc2.c: Likewise.
11520 * optabs.c: Likewise.
11521 * profile.c: Likewise.
11522 * sdbout.c: Likewise.
11523 * toplev.c: Likewise.
11524 * tradcif.y: Likewise.
11525 * tree.c: Likewise.
11526 * varasm.c: Likewise.
11528 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11530 * builtins.c (expand_builtin_fputs): Use size_one_node when
11531 transforming into fwrite.
11533 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
11535 * extend.texi (Attribute Syntax): New section.
11537 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11539 * fixproto: Correctly install synthesized unistd.h and stdlib.h when
11540 they didn't need fixing.
11542 2001-01-27 Janis Johnson <janis@us.ibm.com>
11544 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11545 if appropriate.
11546 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11547 to remove macro definitions that are duplicated from elfos.h.
11549 2001-01-27 Richard Henderson <rth@redhat.com>
11551 * config/i386/sco5gas.h: Move ...
11552 * config/usegas.h: ... here.
11553 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11555 2001-01-27 Jakub Jelinek <jakub@redhat.com>
11557 * c-typeck.c (struct constructor_stack): Add range_stack member.
11558 (really_start_incremental_init): Clear it.
11559 (push_init_level): Save constructor_range_stack and clear it if
11560 pushing explicit braces.
11561 (pop_init_level): abort if constructor_range_stack is nonzero at
11562 explicit closing brace. Restore saved constructor_range_stack if
11563 not implicit.
11565 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11567 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11568 into register was forced into memory.
11570 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11572 * Makefile.in: Remove uses of + before $(MAKE).
11574 2001-01-26 Richard Henderson <rth@redhat.com>
11576 * stmt.c (cost_table): Remove.
11577 (COST_TABLE, cost_table_initialized): New.
11578 (estimate_case_costs): Use the later instead of the former.
11579 (balance_case_nodes): Likewise.
11581 2001-01-26 Richard Henderson <rth@redhat.com>
11583 * alias.c (objects_must_conflict_p): Read-only slots may not
11584 conflict despite having the same type.
11586 2001-01-27 Michael Hayes <mhayes@redhat.com>
11588 * loop.c (loop_giv_reduce_benefit): Copy mode size into
11589 int variable.
11590 (check_ext_dependant_givs): Initialize u_start_val and
11591 u_end_val.
11592 (load_mems): Make last_max_reg unsigned.
11593 (try_swap_copy_prop): Use INSN_P and initialize set.
11595 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
11597 * README.AVR : Removed.
11599 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
11601 * pa-64.h (text_section): Remove declaration.
11603 * pa.md (return_internal): Remove mode on PIC register use.
11605 2001-01-25 lars brinkhoff <lars@nocrew.org>
11607 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11608 ASM_CLOSE_PAREN): fix typos.
11610 2001-01-25 Mark Mitchell <mark@codesourcery.com>
11612 * acconfig.h: Define `const' to the empty string if neither
11613 __STDC__ nor __cplusplus is defined.
11614 * config.in: Regenerated.
11616 2001-01-25 David Edelsohn <edelsohn@gnu.org>
11618 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11619 * collect2.c (main): Delete importf. Add ".obj" file extension.
11620 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11621 (aix_std_libs): Add additional AIX libraries to skip.
11622 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11623 * config/rs6000/aix51.h: New file.
11625 2001-01-25 Michael Hayes <mhayes@redhat.com>
11627 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11628 (loop_insn_emit_before): No longer static.
11629 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11630 (loop_givs_rescan, load_mems): Likewise.
11631 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11632 (maybe_eliminate_biv_1):
11633 (move_movables): Replace emit_call_insn_before with
11634 loop_call_insn_hoist.
11635 * loop.h (loop_insn_emit_before): Add.
11636 * unroll.c (copy_loop_body): Replace emit_insn_before with
11637 loop_insn_emit_before.
11639 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11641 * diagnostic.c (fatal): Request preprocessed source.
11643 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11645 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11646 olddecl has argument types and newdecl has none, use the argument
11647 types from olddecl.
11649 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11651 * dwarf2out.c (prefix_of): New function. Determine longest common
11652 prefix of the two arguments. The units are whole path components.
11653 (output_file_names): When adding a new directory find the one entry
11654 with the longest common prefix already in the list. Artificially
11655 generate entry if there is none for this prefix.
11656 Fix test to check whether the zeroth directory entry is used.
11658 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11660 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11661 Changed all callers. Take it into account when deciding if a
11662 previously loaded value matches.
11664 2001-01-24 Richard Henderson <rth@redhat.com>
11666 * reload.c (find_reloads_subreg_address): Fail the substitution
11667 if the resulting address is insufficiently aligned.
11669 2001-01-24 DJ Delorie <dj@redhat.com>
11671 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11672 check the original operand's mode also.
11673 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11675 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11677 * c-parse.in (cast_expr): Move compound literals from here ...
11678 (primary): ... to here. Use standard terminology "compound
11679 literal" instead of "constructor expression".
11681 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11683 * gcc.1, cpp.1: Regenerate.
11685 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11687 * calls.c (emit_library_call_value_1): Memory slot for
11688 pass-by-reference argument should have the mode of the argument,
11689 not of the pointer to it.
11691 2001-01-24 Tom Tromey <tromey@redhat.com>
11693 * gcc.texi (G++ and GCC): Mention gcj manual.
11694 (Standards): Link to section of manual mentioning gcj/Java
11695 compatibility.
11697 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11699 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11700 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11701 * tradcpp.c (main): Add -imacros or -include'd dependencies
11702 for -M*.
11703 * cpp.texi (-M, -MM): Document -M -include behavior.
11705 2001-01-24 Roger Collins <roger@ProProject.com>
11707 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11709 2001-01-24 Will Cohen <wcohen@redhat.com>
11711 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11712 whether registers are 32 bits or 64 bits in size.
11714 2001-01-24 Ben Elliston <bje@redhat.com>
11716 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11718 2001-01-24 Richard Henderson <rth@redhat.com>
11720 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11721 (builtin_longjmp): Use it instead of emit_indirect_jump.
11723 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11725 * bb-reorder.c (make_reorder_chain_1): Handle case where
11726 jump edge goes to the same block as the fallthru edge.
11728 2001-01-23 Jim Wilson <wilson@redhat.com>
11730 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11731 * frame.h (__ia64_personality_v1): Add prototype.
11732 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11733 prototype form. Add void * cast to first argument to personality
11734 call.
11735 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11736 (asctoe113): Likewise.
11737 * config/ia64/frame-ia64.c: Include eh-common.h.
11738 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11739 prototypes.
11740 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11741 to dump parameter.
11742 (itanium_split_issue): Add prototype.
11743 (gen_nop_type): Ifdef out.
11744 (find_best_packet): Initialize best_packet.
11745 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11746 result.
11747 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11748 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11749 (flushrs): Add explicit stop bit at end.
11750 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11751 trailing \ to >.
11753 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11755 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11756 of EH symbols.
11757 * libgcc2.c (__terminate_func): Make variable static.
11758 (__terminate_set_func): New function to set __terminate_func.
11759 * libgcc2.h (__terminate_func_ptr): New typedef.
11760 (__terminate_set_func): New function.
11762 2001-01-23 Richard Henderson <rth@redhat.com>
11764 * flow.c (init_propagate_block_info): Don't consider unchanging
11765 memories for dead frame store elimination.
11767 2001-01-23 Richard Henderson <rth@redhat.com>
11769 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11770 * defaults.h: ... here.
11772 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11774 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11776 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11778 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11780 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11782 * rs6000.h (rs6000_return_addr): Move prototype from here...
11783 * rs6000-protos.h (rs6000_return_addr): ...to here.
11784 (rs6000_init_expanders): Delete prototype.
11786 2001-01-23 Nick Clifton <nickc@redhat.com>
11788 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11789 (Spec Files): Document %B and %j and %. and %v3 and %M and
11790 %{S*&T} spec switches.
11792 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11794 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11796 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11797 Neil Booth <neil@daikokuya.demon.co.uk>
11799 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11800 Have -Werror make pedantic warnings errors, like the
11801 rest of GCC.
11803 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11805 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11807 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11809 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11810 * integrate.c (expand_inline_function): Initialize them.
11811 (subst_constants): If changing COMPARE so that both its arguments
11812 will be VOIDmode and the comparison mode will be lost, note
11813 compare_mode. Use the recorded compare_mode to optimize
11814 IF_THEN_ELSE.
11816 2001-01-23 Jason Merrill <jason@redhat.com>
11818 * dwarf2out.c (new_die): Use xcalloc.
11819 (output_die): Abort rather than emit a local reference to offset 0.
11821 2001-01-17 Andrew Haley <aph@redhat.com>
11823 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11824 of a saved register; return NULL instead.
11825 (copy_reg): Take a pointer to a source register rather than a
11826 frame_state.
11827 (next_stack_level): Remember the address in the stack frame of all
11828 saved registers.
11829 Use the saved register pointer array as the source of the CFA.
11830 (throw_helper): Rewrite. Unwind once rather than twice and keep
11831 track of saved registers as we go.
11833 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11835 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11836 * c4x.c (c4x_legitimize_reload_address): Remove.
11837 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11838 reload address for ldp(k) insn.
11840 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11842 * pa.md (return_internal): Add a USE of the PIC register to ensure
11843 it is restored after each call.
11844 (return expander): Corresponding changes.
11846 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11848 * rs6000.h (INIT_EXPANDERS): Delete.
11849 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11850 * rs6000.c (rs6000_override_options): Call *_machine_status from
11851 here...
11852 (rs6000_init_expanders): ...instead of here. Delete.
11853 (rs6000_mark_machine_status): New function.
11854 (rs6000_init_machine_status): Use xcalloc.
11855 (rs6000_return_addr): Generate RTX for the return address.
11856 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11857 (rs6000_stack_info): Use it.
11859 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11861 * gthr-win32.h: Include errno.h to get a declaration for
11862 EINVAL and _mingw.h if the target is mingw32.
11864 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11866 * cpp.texi: Correct typos.
11868 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11870 * explow.c (probe_stack_range): Ensure value passed to
11871 stack_check_libfunc is ptr_mode, not Pmode.
11873 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11875 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11876 case, don't use operand_subword to calculate a SUBREG that is
11877 wider than a word.
11879 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11881 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11883 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11884 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11885 valid. If not replace it by equivalent insns.
11887 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11889 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11890 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11891 (c4x_U_constraint, symbolic_address_operand): Likewise.
11892 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11893 memory.
11894 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11895 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11896 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11897 anulling slot because of silicon bug.
11898 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11900 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11902 * cppexp.c (parse_charconst): Change `mask' type to agree
11903 with parse_escape.
11905 2001-01-21 Richard Henderson <rth@redhat.com>
11907 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11908 pic_label_name in a linkonce section.
11910 2001-01-17 Philipp Thomas <pthomas@suse.de>
11912 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11913 found in libintl.
11914 * configure: Regenerate.
11916 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11918 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11919 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11921 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11923 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11924 If REVERSE nonzero then condition code in X must be reversed.
11925 (encode_section_info): Optimize if/else.
11926 (avr_function_value): Fix formatting.
11928 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11929 (difficult_branch): Likewise.
11930 (rvbranch): Likewise.
11931 (difficult_rvbranch): Likewise.
11933 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11935 * config/avr/libgcc.S: Fix comment.
11937 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11939 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11941 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11943 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11945 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11947 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11948 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11949 * configure, config.in: Regenerate.
11950 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11951 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11952 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11953 (doprint.o): New rule.
11955 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11957 * c-typeck.c (digest_init): Handle boolean types as scalars.
11959 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11961 * stmt.c (expand_return): Don't return anything if size is zero.
11962 Delete redundant assignment to BYTES.
11963 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11965 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11967 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11968 the same as the default library function names.
11969 * config/avr/avr.md: Document special characters after '%'.
11970 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11971 knowing which of the call-used registers are really clobbered.
11972 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11973 New. Both quotient and remainder from one libgcc.S call.
11974 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11975 clobber as few registers as possible.
11976 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11978 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11980 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11981 context of the top of the stack.
11983 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11985 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11986 (fixup_var_refs_insns): ...here.
11988 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11990 * function.c (fixup_var_refs_insns): Break up into
11991 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11992 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11993 [loop over hash table entries].
11994 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11995 fixup_var_refs_insns_with_hash, to match above changes.
11997 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11999 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
12000 (libgcc.a): Likewise.
12001 (stmp-multilib): Likewise.
12002 (STAGE2_FLAGS_TO_PASS): Likewise.
12004 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
12006 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
12007 temporary if no_new_pseudos.
12009 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
12011 * cppinternals.texi: Update.
12013 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
12015 * arm.c (arm_init_builtins): Re-enable builtins.
12017 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12019 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
12020 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
12021 element to be null, and always expect an EXPR_LIST.
12022 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
12023 * sched-deps.c (sched_analyze_1): Likewise.
12024 * sched-rgn.c (check_live_1, update_live_1): Likewise.
12026 * regclass.c (max_set_parallel): New variable.
12027 (reg_scan): Take it into account in computation of max_parallel.
12028 (reg_scan_mark_refs, case SET): Compute it.
12030 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
12031 args are REG.
12032 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
12033 * function.c (assign_parms): Use INTVAL for a CONST_INT.
12035 2001-01-19 Jason Merrill <jason@redhat.com>
12037 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
12038 for the abstract instance of an inline function.
12040 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
12041 J"orn Rennecke <amylaar@redhat.com>
12043 * reload1.c (move2add_note_store): Treat all registers directly or
12044 indirectly derived from a base register as members of the same set
12045 of values.
12046 (reload_cse_move2add): Adjust accordingly. Take mode and offset
12047 of base register into account.
12049 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
12051 * alias.c (find_base_value): Recognize TRUNCATE.
12052 (record_set): In PLUS case, invalidate if other summand is also a
12053 base value.
12055 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12057 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
12058 entry to be EXPR_LIST.
12059 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
12060 be an EXPR_LIST (but not null, which other code doesn't allow).
12061 (note_stores): Properly handle PARALLEL in SET.
12062 Recursively call for top-level PARALLEL.
12063 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
12064 * sched-rgn.c (check_live_1, update_live_1): Likewise.
12066 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
12068 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
12070 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
12071 not pfile->skipping (== 0).
12073 2001-01-17 Nick Clifton <nickc@redhat.com>
12075 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
12076 machine_status.
12078 2001-01-17 Jim Wilson <wilson@redhat.com>
12080 * invoke.texi (IA-64 options): Improve.
12082 2001-01-17 Tom Tromey <tromey@redhat.com>
12084 * invoke.texi (Optimize Options): Use `{}' to around @samp
12085 argument.
12087 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
12089 * invoke.texi (-fno-guess-branch-probability): New option.
12091 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12093 * combine.c (try_combine): Don't set i3_subst_into_i2 for
12094 case of making new double-word constant.
12095 Revert last change: instead just test i3_subst_into_i2.
12097 2001-01-17 Jakub Jelinek <jakub@redhat.com>
12099 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
12100 Use q constraints instead of r.
12102 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
12104 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
12105 (machine_function): Define.
12106 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
12107 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
12108 pa_free_machine_status): New functions.
12109 (override_options): Set {init,mark,free}_machine_status to above.
12110 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12111 PIC_OFFSET_TABLE_REGNUM_SAVED.
12112 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12113 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
12114 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
12115 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
12116 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12118 2001-01-15 DJ Delorie <dj@redhat.com>
12120 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
12121 (cpp.1): Ditto.
12122 (gcc.1): Ditto.
12124 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12126 * flow.c (propagate_one_insn): Make trying to delete a prologue
12127 or epilogue insn an ICE, not a warning. Allow doing this if
12128 the current function returns with stack pointer depressed.
12130 * combine.c (try_combine): If i3_subst_into_i2, properly check for
12131 I3 having more than one SET.
12133 2001-01-16 Jim Wilson <wilson@redhat.com>
12135 * invoke.texi: Document IA-64 options.
12137 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
12138 (fixup_errata): Delete TARGET_A_STEP use.
12139 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
12140 (TARGET_SWITCHES): Delete -ma-step option.
12141 * config/ia64/ia64.md (all FP patterns): Delete %B0.
12142 (movqicc_astep, movqi_internal_astep, movhicc_astep,
12143 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
12144 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
12145 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
12146 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
12147 Delete.
12148 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
12149 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
12150 cmovsi_internal): Delete ! TARGET_A_STEP check.
12152 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12154 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
12155 possibility to report bugs via postal mail. Change a URL and
12156 merge in a nearly duplicate statement...
12157 (Bug Reporting): ...from here.
12158 (Service): Refer to the Bug Reporting section instead of
12159 duplicating an URL.
12160 (Contributing): Remove trivial explanations concerning snapshots.
12162 2001-01-16 Alan Modra <alan@linuxcare.com.au>
12164 * cppmain.c (general_init): Don't use ANSI prototype.
12166 2001-01-16 Tom Tromey <tromey@redhat.com>
12168 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
12170 2001-01-16 Richard Henderson <rth@redhat.com>
12172 * config/i386/i386.h: Fix comment typo.
12173 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
12174 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
12176 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12178 * gcc.c: Revert previous -fsyntax-only-related change; move
12179 to cp/g++spec.c.
12181 2001-01-16 Jakub Jelinek <jakub@redhat.com>
12183 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
12184 inmode after checking GET_CODE (op).
12186 2001-01-16 Richard Henderson <rth@redhat.com>
12188 * flow.c (struct propagate_block_info): Add mem_set_list_len.
12189 (MAX_MEM_SET_LIST_LEN): New.
12190 (propagate_one_insn): Update mem_set_list_len.
12191 (invalidate_mems_from_autoinc): Likewise.
12192 (invalidate_mems_from_set): Likewise.
12193 (mark_used_regs): Likewise.
12194 (init_propagate_block_info): Likewise. Stop collecting memories
12195 when we reach MAX_MEM_SET_LIST_LEN.
12196 (mark_set_1): Likewise.
12198 2001-01-16 Richard Henderson <rth@redhat.com>
12200 * unroll.c (precondition_loop_p): Fail if no iteration
12201 variable found.
12203 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12205 * gcc.c: When -fsyntax-only is given, do not complain about
12206 unused libraries.
12208 2001-01-15 Richard Henderson <rth@redhat.com>
12210 * config/i386/i386.c (asm_output_function_prefix): Remove.
12211 (ix86_asm_file_end): New.
12212 (load_pic_register): Generate pic_label_name into a
12213 statically allocated buffer.
12214 * config/i386/i386-protos.h: Update.
12215 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
12216 (ASM_FILE_END): New.
12217 * config/i386/i386afe.h: New file.
12218 * config.gcc (i?86-*-elf) [tm_file]: Use it.
12219 (i?86-*-{freebsd,linux*,moss*}): Likewise.
12220 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
12221 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
12222 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
12223 * config/i386/sco5.h (ASM_FILE_END): Likewise.
12224 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
12226 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
12228 * Makefile.in (install-man): Remove explicit dependency on
12229 $(srcdir)/gcc.1.
12231 * configure.in, configure: Revert previous patch requiring perl
12232 5.6.0.
12234 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
12236 * toplev.c (flag_guess_branch_prob): New.
12237 (f_options): Add guess-branch-probability option.
12238 (rest_of_decl_compilation): Only estimate branch probability if
12239 flag set.
12240 (main): set flag_guess_branch_prob.
12242 * flags.h (flag_guess_branch_prob): New.
12244 2001-01-15 DJ Delorie <dj@redhat.com>
12246 * gcc.texi (Makefile): Add documentation for Makefile targets.
12248 2001-01-15 Philip Blundell <philb@gnu.org>
12250 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
12251 (is_pic): Delete.
12252 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
12253 (is_pic): Delete declaration.
12254 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
12255 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
12256 * config/arm/arm.md (builtin_setjmp_receiver): New.
12258 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12260 * arm.c (use_return_insn): Don't try to determine the function type
12261 until after reload has completed.
12262 (arm_output_epilogue): Don't adjust the sp value recovered from the
12263 stack.
12264 (emit_multi_reg_push): Don't record dwarf information for the pc.
12265 * arm.md (eh_epilogue): The function type may have changed, so it
12266 needs to be recalculated.
12267 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
12268 unwind tables on arm/netbsd.
12270 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12272 * arm.md (cbranchsi4): Correct calculation of branch ranges.
12273 (negated_cbranchsi4): Likewise.
12275 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12277 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
12278 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12279 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
12280 pass -mapcs-* options to assembler.
12281 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
12282 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12283 (ASM_SPEC): Call subtarget_extra_asm_spec.
12285 2001-01-15 Andreas Jaeger <aj@suse.de>
12287 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
12288 warnings.
12289 (ix86_expand_builtin): Likewise.
12291 * gencodes.c (output_predicate_decls): Make i size_t to avoid
12292 warning about comparison between signed and unsigned.
12294 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12296 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
12298 2001-01-14 Ralf Baechle <ralf@gnu.org>
12300 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
12301 SUBTARGET_CPP_SPEC appropriately.
12303 2001-01-12 Mark Mitchell <mark@codesourcery.com>
12305 * varasm.c (make_decl_rtl): Fix typo in last change.
12307 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
12309 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
12310 linker supports the init_priority C++ attribute.
12311 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
12312 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
12313 linker does not support init_priority C++ attribute.
12315 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
12317 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
12319 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12321 * c-parse.in (finish_parse): Add comment about cpp_destroy.
12322 * cp/lex.c (finish_parse): Similarly.
12323 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
12324 Return the number of errors encountered.
12325 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
12326 * cppmain.c (main): Don't call cpp_destroy.
12328 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
12330 * configure.in: Require at least perl 5.6.0 to regenerate
12331 manpages.
12332 * configure: Regenerate.
12334 2001-01-14 Richard Henderson <rth@redhat.com>
12336 * genrecog.c (DT_veclen_ge): New.
12337 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
12338 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
12339 (nodes_identical_1): Handle DT_veclen_ge.
12340 (write_cond, debug_decision_2): Likewise.
12342 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12344 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
12345 with ...
12346 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
12348 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12350 * cppmain.c (do_preprocessing): New function; most of the old
12351 main.
12352 (main): Call it to do most of the work.
12353 (cb): Move from global scope to set_callbacks ().
12354 (setup_callbacks): Get the callback pointer.
12355 (general_init, printer_init): Clean up code and comments.
12357 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12359 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
12360 compiling PIC.
12362 2001-01-14 Kazu Hirata <kazu@hxi.com>
12364 * config/h8300/h8300.c (get_shift_alg): Update comments.
12366 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12368 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
12369 (alloc_page, ggc_alloc): Add casts to remove warnings.
12371 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12373 * combine.c (simplify_comparison): Don't change `code' when
12374 can't reverse comparison.
12376 2001-01-14 Richard Henderson <rth@redhat.com>
12378 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
12379 update all call sites. Return true for all non-label constants.
12381 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
12383 * i386.c (ix86_expand_compare): Add bypass_test and second_test
12384 parameters.
12385 (ix86_expand_branch): Update.
12386 (ix86_expand_setcc): Update to handle multiple test conditions.
12387 (expand_int_movcc): Likewise.
12388 (expand_fp_movcc): Likewise.
12389 * i386-protos.h (ix86_expand_compare): New.
12390 * i386.md (andqi_?_slp, orqi_?_slp): New.
12391 (conditional trap expander): Update call to ix86_expand_compare.
12393 2001-01-14 Richard Henderson <rth@redhat.com>
12395 * config/vax/vax.md: Use nonimmediate_operand instead of
12396 general_operand in destinations.
12398 * config/vax/vax.md (indirect_jump): Use register_operand.
12400 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
12401 * config/vax/vax.md (call_pop): Turn into an expander.
12402 (call_value_pop): Likewise.
12403 (call, call_value): New.
12405 2001-01-14 Andreas Jaeger <aj@suse.de>
12407 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
12408 variables.
12409 (ix86_fp_compare_mode): Add unused attribute.
12410 (ix86_expand_fp_movcc): Remove unused variable.
12411 (ix86_expand_builtin): Make fcode unsigned.
12413 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
12414 (expand_expr): Add cast to avoid signed warning.
12415 (store_field): Likewise.
12416 (store_constructor_field): Likewise.
12417 (store_constructor): Likewise.
12418 (store_expr): Likewise.
12419 (clear_storage): Likewise.
12420 (emit_group_store): Likewise.
12421 (emit_group_load): Likewise.
12423 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12425 * c-common.c: Move format checking code to ...
12426 * c-format.c: ... here. New file. Reorder some functions and
12427 declarations.
12428 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
12429 New functions.
12430 * c-common.h (decl_handle_format_attribute,
12431 decl_handle_format_arg_attribute): Declare.
12432 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
12433 (c-common.o): Adjust dependencies.
12434 (c-format.o): New list of dependencies.
12436 2001-01-13 Jakub Jelinek <jakub@redhat.com>
12438 * unroll.c (loop_iterations): If we cannot prove iteration variable
12439 is set once in each iteration, punt.
12441 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
12443 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
12444 (*strlenhi): Remove clobber (which was buggy) of output address.
12446 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12448 * Makefile.in (generated-manpages): Add gcc.1
12449 ($(srcdir)/gcc.1): New target.
12450 (maintainer-clean): Delete $(srcdir)/gcc.1.
12451 * gcc.texi: Add macros @gccoptlist and @gol.
12452 * invoke.texi: Include option summary in manpage. Mark up option
12453 summary with @gccoptlist and @gol. Use @r in one place where
12454 appropriate.
12455 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
12456 * gcc.1: Generate from invoke.texi.
12458 2001-01-13 Richard Henderson <rth@redhat.com>
12460 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
12461 (struct page_entry): Add group member.
12462 (struct page_group): New.
12463 (struct globals): Add page_groups member.
12464 (alloc_anon): Only define for using mmap; remove valloc call.
12465 (page_group_index): New.
12466 (set_page_group_in_use): New.
12467 (clear_page_group_in_use): New.
12468 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
12469 (free_page, release_pages): Likewise.
12470 * configure.in (with-gc): Default to ggc-page always.
12472 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12474 * reload1.c (replace_pseudos_in_call_usage): Use
12475 reg_equiv_constant and reg_equiv_address, and don't try
12476 regno_reg_rtx first.
12478 2001-01-13 Richard Henderson <rth@redhat.com>
12480 * ggc-page.c (alloc_page): Round up allocation size to one page.
12481 Set e->order on extra pages.
12483 2001-01-13 Richard Henderson <rth@redhat.com>
12485 * genrecog.c (nodes_identical): Expand commentary.
12486 (write_switch): Watch out for identical nodes.
12488 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12490 * cppfiles.c (_cpp_fake_include): New function.
12491 * cpphash.h (_cpp_fake_include): New.
12492 * cpplib.c (do_line): Call _cpp_fake_include when entering
12493 header files in preprocessed input.
12494 * cppmain.c (cb_pragma_implementation): Remove handling.
12495 (setup_callbacks): Don't register pragmas.
12497 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12499 * extend.texi: Udate for CPP.
12501 2001-01-13 Andreas Jaeger <aj@suse.de>
12503 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
12505 * regmove.c: Add prototype for replace_in_call_usage.
12507 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12509 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
12510 struct cpp_chunk, struct htab, struct toklist,
12511 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
12512 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
12513 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
12514 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
12515 (struct macro_args): Delete.
12516 * cpphash.h: See above.
12518 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12520 * cppmain.c (struct printer): Remove no_line_dirs.
12521 (options, cb): New.
12522 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12523 : Use options rather than CPP_OPTION.
12524 (setup_callbacks): Use cb rather than pfile->cb.
12525 (main): No need to check for a buffer. Use cpp_errors.
12526 (printer_init): Don't set no_line_dirs.
12527 (maybe_print_line): Use options not no_line_dirs.
12528 (cb_file_change): Don't call print_line if -P.
12530 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12532 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12533 callbacks.
12534 * c-parse.in (finish_parse): Use cpp_errors.
12535 (__yylex): Use return value of cpp_pop_buffer.
12536 * cp/lex.c (finish_parse): Use cpp_errors.
12537 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12539 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
12541 * README.AVR: URLs corrected.
12543 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12545 * c-decl.c (start_function): Don't warn if old prototype is builtin
12546 that's not in C's namespace.
12547 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12548 (_bb): Add prototype for ctime.
12549 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12551 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
12553 * i386.c (ix86_fp_comparison_arithmetics_cost,
12554 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12555 ix86_fp_comparison_cost): New functions.
12556 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12557 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12558 two-branch sequences; make static.
12559 (ix86_use_fcomi_compare): Do decision according to the costs.
12560 (split_fp_branch): New.
12561 * i386.md (compare-and-branch patterns): Use split_fp_branch.
12562 * i386-protos.h (ix86_expand_fp_compare): Remove
12563 (ix86_split_fp_branch): Declare.
12565 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12566 and ix86_comparison_operator.
12568 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12569 to make it cheaper.
12571 * i386.c (put_condition_code): Output properly the unordered/ordered
12572 compares in fp case.
12573 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12575 * tm.texi (REVERSE_CONDITION): Document.
12576 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12577 in -ffast-math mode.
12578 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12580 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12582 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12584 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12585 optimized away.
12587 * config/sh/sh.c (mova_p): Fix test for mova_const.
12589 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12591 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12592 cpp_get_options rather than dereferencing pfile and using
12593 CPP_OPTION.
12594 * scan-decls.c (scan_decls): Use return value of
12595 cpp_pop_buffer rather than CPP_BUFFER.
12597 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12599 * cppinit.c (cpp_handle_option): help_only is now part of the
12600 cpp_options structure.
12601 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12602 cpp_set_callbacks): New functions.
12603 * cpplib.h (cpp_callbacks): Break out as a named structure.
12604 (cpp_options): Move help_only here from cpp_reader.
12605 (CPP_FATAL_ERRORS): Update to use cpp_errors.
12606 (cpp_errors, cpp_get_options, cpp_get_callbacks,
12607 cpp_set_callbacks): New prototypes.
12608 * cppmain.c (main): Update for help_only.
12610 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12612 * Makefile.in (info, maintainer-clean, install-info, uninstall):
12613 Also build and remove and install and uninstall c-tree.info and
12614 cppinternals.info.
12615 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12616 ($(srcdir)/cppinternals.info): New target.
12617 * c-tree.texi: Change file name used when makeinfo used without -o
12618 from ir.info to c-tree.info. Add info directory entry.
12619 * cppinternals.texi: Add info directory entry.
12620 * .cvsignore: Update.
12622 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12624 * c-typeck.c (store_init_value): Don't require constant initializer
12625 elements with -pedantic -std=c99.
12626 (digest_init): Change error about non-constant initializer elements
12627 into pedwarn.
12628 (constructor_range_end): Remove.
12629 (constructor_incremental, designator_depth,
12630 designator_errorneous): New variables.
12631 (struct constructor_stack): Remove range_end, add incremental.
12632 (struct constructor_range_stack, constructor_range_stack): New.
12633 (struct initializer_stack): Add constructor_range_stack.
12634 (finish_init): Set it.
12635 (start_init): Likewise. require_constant_elements for non-static
12636 trees only if not flag_isoc99.
12637 (really_start_incremental_init): Remove constructor_range_end, add
12638 constructor_incremental.
12639 (pop_init_level): Likewise.
12640 (push_init_level): Likewise. If implicit and the subobject had some
12641 value set already, preinitialize the level with it.
12642 Warn about missing braces only if not pushing due to designators.
12643 (set_designator, push_range_stack): New functions.
12644 (set_init_label): Use them.
12645 (set_init_index): Likewise. Remove constructor_range_end.
12646 Error if designator index is outside of array bounds.
12647 (add_pending_init): Compare values of purpose index trees, not the
12648 trees themselves. Allow overwriting of already initialized element.
12649 Issue a warning if it had side-effects.
12650 (set_nonincremental_init, set_nonincremental_init_from_string): New
12651 functions.
12652 (pending_init_member): Rename to...
12653 (find_init_member): ...this function. Call set_nonincremental_init
12654 if necessary. Compare values of purpose index trees, not the trees
12655 themselves. Return the actual value, not just nonzero if something
12656 is found.
12657 (output_init_element): Remove checks for duplicates.
12658 If field has zero size, only check the initializer for correctness.
12659 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12660 if constructor_incremental is zero. Change error about initializers
12661 not computable at load time into pedwarn.
12662 (output_pending_init_elements): Compare bit positions, not
12663 FIELD_DECLs to take into account zero-sized fields.
12664 (process_init_element): Use constructor_range_stack to fill all
12665 ranges in the designator lists from current level up.
12666 * extend.texi: Update documentation for labeled elements.
12668 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12670 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12671 to function usage for arguments passed by reference. Optimize
12672 callee-copied arguments.
12673 * regmove.c (replace_in_call_usage): New function.
12674 (fixup_match_1): Call it.
12675 * cse.c (cse_insn): Canonicalize registers in function usage.
12676 * reload1.c (replace_pseudos_in_call_usage): New function.
12677 (reload): Call it.
12679 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12680 right version.
12682 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12684 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12685 not XEXP (tmp, 0).
12687 2001-01-12 DJ Delorie <dj@redhat.com>
12689 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12690 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12691 targets.
12693 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12695 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12696 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12697 -std options alongside references to -ansi. Update some
12698 documentation for C99.
12699 * cpp.1: Regenerate.
12701 2001-01-12 Andreas Jaeger <aj@suse.de>
12703 * haifa-sched.c (restore_line_notes): Remove argument block B
12704 since it's unused.
12705 * sched-ebb.c (schedule_ebb): Change caller.
12706 * sched-rgn.c (schedule_region): Likewise.
12707 * sched-int.h (restore_line_notes): Adjust prototype.
12709 * loop.h: Remove wrong declaration of doloop_condition_get.
12711 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12713 * extend.texi: Move C++-extension-related node from the C section
12714 into the C++ section.
12716 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12718 * extend.texi: Refer to an array of pointers to functions instead
12719 of one of functions.
12721 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12722 Jan Hubicka <jh@suse.cz>
12724 * combine.c (reversed_comparison): Fix typo in last patch.
12725 Check X for NULL.
12726 (combine_reversed_comparison_code): Make static to follow
12727 prototype declaration.
12729 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12731 * install.texi: Remove misplaced duplicate entry.
12733 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12735 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12737 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12739 * final.c: (leaf_function_p): Fix typo.
12741 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12743 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12744 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12745 which you have.
12746 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12747 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12748 mmap_anon, and valloc is available.
12749 * ggc-page.c: Restructure ifdef logic to match new autoconf
12750 spec. Don't throw away the test page in init_ggc.
12752 * configure, config.in: Regenerate.
12754 2001-01-12 Michael Hayes <mhayes@redhat.com>
12756 * loop.h (total_biv_increment): Constify iv_class pointer.
12757 (struct induction): Replace `mem_mode' with `mem' rtx.
12758 * unroll.c (total_biv_increment): Constify iv_class pointer.
12759 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12760 (find_mem_givs, combine_givs_p): Likewise.
12761 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12763 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12765 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12766 LastError.
12767 (__gthread_getspecific): Ditto.
12769 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12771 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12772 put_condition_code): Convert fp comparison codes to integer
12773 before handling.
12774 (ix86_expand_fp_compare): Postnote the fp comparison code conversion
12775 to final.
12777 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12778 * i386-protos.h (no_comparison_operator): Kill.
12780 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12782 * combine.c (REVERSIBLE_CC_MODE): Remove.
12783 (reversible_comparison_p): Remove.
12784 (combine_reversed_comparison_code): New.
12785 (reversed_comparison): New.
12786 (combine_simplify_rtx): Use
12787 combine_reversed_comparison_code/reversed_comparison instead
12788 of reversible_comparison_p.
12789 (simplify_if_then_else): Likewise.
12790 (simplify_set): Likewise.
12791 (simplify_logical): Likewise.
12792 (if_then_else_cond): Likewise.
12793 (known_cond): Likewise.
12794 (simplify_comparison): Likewise.
12796 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12798 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12799 sizeof (int) is larger than sizeof(__word__).
12801 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12803 * cppinit.c (do_includes): Fix typo.
12805 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12807 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12808 in S_REGS does not occur because not all sources are possible
12809 when a S_REGS is a destination (sometimes needs a clobber).
12810 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12811 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12812 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12813 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12814 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12815 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12816 (lshrdi_const1, lshrsi3_const16): Likewise.
12817 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12818 (*movhi_68hc12, *movqi_68hc12): Likewise.
12819 (movstrictqi): Make sure reloading in D_REGS as a destination
12820 does not happen.
12822 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12824 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12826 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12828 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12829 -D, -U and -A, and don't initialize the builtins.
12830 (do_includes): Error if -include or -imacros with -fpreprocessed.
12831 * cppmain.c (cb_define, cb_undef): Unconditionally process
12832 the callback.
12833 * tradcpp.c (main): Fix typo.
12835 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12837 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12838 (read_name_map): Use IS_ABSOLUTE_PATH.
12839 * tradcpp.c (get_filename): Likewise.
12841 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12843 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12844 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12845 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12846 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12847 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12848 (cmphi_z_used): Don't use '@' for the output.
12849 (tstqi_z_used): Likewise.
12850 (cmpqi_z_used): Likewise.
12851 (one_cmplsi2): Likewise.
12853 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12855 * config/sh/sh.c (barrier_align): Recognize branch around far
12856 branch and redundant insn.
12858 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12860 * invoke.texi: Restore documentation of the drivers' switches -MD
12861 and -MMD.
12863 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12865 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12867 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12868 check-objc//%): Support parallel testing of multilibs.
12869 (TESTSUITEDIR): Set to testsuite by default, but override for
12870 parallel testing.
12871 (check-gcc, check-g++, check-g77, check-objc): Enter
12872 $(TESTSUITEDIR).
12874 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12876 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12877 * sched-deps.c (deps_may_trap_p): Likewise.
12878 * basic-block.h: Remove a comment.
12879 * flow.c (PROP_POSTRELOAD): Remove.
12880 (update_life_info): Don't add it to prop_flags.
12881 (mark_set_1): Lose the code that was enabled by it.
12883 2001-01-11 Michael Hayes <mhayes@redhat.com>
12885 * flow.c (flow_call_edges_add): New.
12886 * basic_block.h (flow_call_edges_add): New.
12888 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12890 * reload1.c (move2add_note_store): Update reg_set_luid even if
12891 base reg remains the same.
12893 2001-01-10 Nick Clifton <nickc@redhat.com>
12895 * config/d30v/d30v.c (d30v_init_machine_status): Initialize
12896 machine_function structure to zero.
12897 Add prototypes for machine_status functions.
12899 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12901 * c-common.h (CTI_VOID_LIST): Remove.
12902 (void_list_node): Likewise.
12903 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12904 (void_list_node): New macro.
12905 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12906 * config/i386/i386.c (ix86_init_builtins): Likewise.
12907 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12909 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12911 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12912 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12913 if statement.
12914 * tradcpp.c: Include mkdeps.h.
12915 (deps, print_deps_phony_targets, deps_append, output_deps,
12916 init_dependency_output, output_deps): New.
12917 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12918 deps_output): Delete.
12919 (print_deps_missing_files): Rename deps_missing_files.
12920 (inhibit_output): Make global.
12921 (main): Delete inhibit_output, deps_stream, deps_target.
12922 Use mkdeps functionality in the same way as cpplib. Remove
12923 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12924 -M and -MM. Remove old handling of deps via deps_out, and
12925 old reading of environment variables.
12926 (get_filename): Update to use deps_add_dep.
12928 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12930 * output.h (make_function_rtl): Remove prototype.
12931 (make_decl_rtl): Likewise.
12932 * varasm.c (make_function_rtl): Remove.
12933 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12934 than from a third parameter.
12935 * tree.h (make_decl_rtl): Remove last parameter.
12936 * c-decl.c (builtin_function): Remove last argument in call to
12937 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12938 (start_function): Likewise.
12939 * except.c (call_get_eh_context): Likewise.
12940 * expr.c (emit_block_move): Likewise.
12941 (clear_storage): Likewise.
12942 * profile.c (output_func_start_profiler): Likewise.
12943 * toplev.c (rest_of_decl_compilation): Likewise.
12944 * objc/objc-act.c (create_builtin_decl): Likewise.
12945 (synth_module_prologue): Likewise.
12946 (generate_static_reference): Likewise.
12947 (build_selector_reference_decl): Likewise.
12948 (build_class_reference_decl): Likewise.
12949 (build_objc_string_decl): Likewise.
12950 (build_protocol_reference): Likewise.
12952 2001-01-10 Richard Henderson <rth@redhat.com>
12954 * hwint.h: Revert yesterday's change.
12956 2001-01-10 Nick Clifton <nickc@redhat.com>
12958 * function.h (save_machine_status): Delete.
12959 (restore_machine_status): Delete.
12960 Amend comment describing {init|mark|free}_machine_status.
12962 * function.c (save_machine_status): Delete.
12963 (restore_machine_status): Delete.
12964 Amend comment describing {init|mark|free}_machine_status.
12965 (push_function_context_to): Remove invocation of
12966 save_machine_status.
12967 (pop_function_context_from): Remove invocation of
12968 restore_machine_status.
12970 * emit-rtl.c (init_emit_once): Amend comment describing
12971 {init|mark|free}_machine_status.
12973 * tm.texi (Per-Function Data): New node. Describe the
12974 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12975 function pointers.
12977 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12979 * cppinit.c (OPT_g): Remove.
12980 (cpp_handle_option): Update for removed -g3.
12981 (print_help): Update.
12982 * cpplib.h (struct cpp_options): Remove debug_output.
12983 * cppmain.c (setup_callbacks, cb_define): Update.
12984 * gcc.c (cpp_options): Translate -g3 to -dD.
12986 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12988 * config/i960/i960.md: Change modifier to + on the zero_extract
12989 pattern after the (rotate -2 reg) canonicalization pattern.
12991 2001-01-10 Richard Henderson <rth@redhat.com>
12993 * config/alpha/alpha.c (alpha_free_machine_status): New.
12994 (override_options): Install it.
12995 (alpha_mark_machine_status): Verify machine non-null.
12996 * config/i386/i386.c (ix86_free_machine_status): New.
12997 (override_options): Install it.
12998 (ix86_init_machine_status): Use xcalloc.
12999 (ix86_mark_machine_status): Verify machine non-null.
13000 * config/ia64/ia64.c (ia64_free_machine_status): New.
13001 (ia64_override_options): Install it.
13002 (ia64_mark_machine_status): Verify machine non-null.
13004 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
13006 * function.c (instantiate_virtual_regs): Instantiate virtual
13007 registers found in CALL_INSN_FUNCTION_USAGE.
13009 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
13011 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
13012 equivalent to -ansi in disabling -Di386.
13014 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
13016 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
13017 new functions.
13018 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
13020 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
13022 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
13024 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
13026 * invoke.texi: Document that -fcond-mismatch isn't supported for
13027 C++.
13029 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
13031 * gcc.texi: Define macro gcctabopt.
13032 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
13033 @command, @env and @option in some places where appropriate. Use
13034 @gcctabopt where appropriate. Put URLs and email addresses inside
13035 @w.
13037 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
13039 * gcc.c (cpp_options): Set MD file name from output
13040 filename, if specified.
13041 (suffix_subst): New static variable.
13042 (do_spec): Clear it.
13043 (do_spec_1, case '.'): Handle new `%.suffix' spec.
13044 Clear it.
13045 (give_switch): Handle suffix_subst.
13047 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13049 * invoke.texi: Fix another typo.
13051 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13053 * invoke.texi: Fix typo.
13055 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
13057 * c-lang.c (lang_hooks): Update.
13058 (lang_decode_option): Remove.
13059 (lang_init_options): Rename c_init_options.
13060 * toplev.c (main): Use lang_hooks for lang_init_options
13061 and lang_decode_option.
13062 * toplev.h (lang_hooks): Add 2 new hooks.
13063 * tree.h: Remove lang_init_options and lang_decode_option.
13064 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
13065 * cp/decl2.c: Similarly.
13066 * cp/lex.c (lang_init_options): Rename cxx_init_options.
13067 (lang_hooks): Update.
13068 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
13069 for consistency.
13070 (lang_init_options): Rename ffe_init_options.
13071 (lang_hooks): Update.
13072 (lang_decode_option): Remove.
13073 * java/lang.c (lang_init_options): Rename java_init_options.
13074 (lang_decode_option): Rename java_decode_option.
13075 (lang_hooks): Update.
13076 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
13077 (lang_decode_option): Rename objc_decode_option.
13078 (lang_hooks): Update.
13080 2001-01-09 Nick Clifton <nickc@redhat.com>
13082 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
13083 (d30v_return_addr_rtx): Delete.
13084 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
13085 cfun->machine structure.
13086 (struct machine_function): Move to d30v.h
13087 (d30v_save_machine_status): Delete.
13088 (d30v_restore_machine_status): Delete.
13089 (d30v_init_machine_status): New Function.
13090 (d30v_mark_machine_status): New Function.
13091 (d30v_free_machine_status): New Function.
13092 (d30v_init_expanders): Use new functions.
13093 (d30v_return_addr): Use ra_rtx field in cfun->machine.
13094 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
13095 d30v_return_addr_rtx.
13097 * config/d30v/d30v.h (struct_machine): Move here.
13098 Add eh_epilogue_sp_ofs field.
13100 *config/d30v/d30v.md (epilogue): Initialize eh_epilogue_sp_ofs
13101 field in cfun->machine structure.
13103 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
13105 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
13106 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
13107 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
13109 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
13111 * objc/lang-options.h: Remove bogus reference to
13112 Java trademark.
13114 2001-01-09 Kazu Hirata <kazu@hxi.com>
13116 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
13117 return the result.
13119 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
13121 * reload.c (find_reloads_address): Check for eliminable registers
13122 when substituting a constant expression for a pseudo.
13124 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
13126 * c-common.c (enum format_type): Add format_type_error.
13127 (decode_format_type): New function.
13128 (decl_attributes): Use it.
13129 (format_kind_info): Adjust comment.
13131 2001-01-09 David O'Brien <obrien@BSDi.com>
13133 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
13134 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
13135 files in tm_file.
13136 * config/i386/gnu.h: Don't include required platform specific .h files,
13137 tm.h will do it instead.
13138 * config/i386/i386elf.h: Likewise.
13139 * config/i386/linux.h: Likewise.
13140 * config/i386/moss.h: Likewise.
13141 * config/mips/gnu.h: Likewise.
13143 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13145 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
13146 (rs6000-ibm-aix3.[01]*): Likewise.
13147 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
13148 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
13149 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
13150 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
13151 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
13152 (powerpc-*-eabiaix*): Likewise.
13153 (powerpc-*-eabisim*): Likewise.
13154 (powerpc-*-elf*): Likewise.
13155 (powerpc-*-eabi*): Likewise.
13156 (powerpc-*-rtems*): Likewise.
13157 (powerpc-*-linux*libc1): Likewise.
13158 (powerpc-*-linux*): Likewise.
13159 (powerpc-wrs-vxworks*): Likewise.
13160 (powerpcle-wrs-vxworks*): Likewise.
13161 (powerpcle-*-sysv*): Likewise.
13162 (powerpcle-*-elf*): Likewise.
13163 (powerpcle-*-eabisim*): Likewise.
13164 (powerpcle-*-eabi*): Likewise.
13165 (powerpcle-*-solaris2*): Likewise.
13166 * config/rs6000/aix31.h: Delete includes.
13167 * config/rs6000/aix3newas.h: Likewise.
13168 * config/rs6000/aix41.h: Likewise.
13169 * config/rs6000/aix43.h: Likewise.
13170 * config/rs6000/beos.h: Likewise.
13171 * config/rs6000/rtems.h: Likewise.
13172 * config/rs6000/sysv4.h: Likewise.
13174 2001-01-09 Kazu Hirata <kazu@hxi.com>
13176 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
13177 Change an argument mode of machine_mode to shift_mode of
13178 shift_mode. Remove an extra error check.
13179 (emit_a_shift): Adopt to the new calling prototype of
13180 get_shift_alg.
13181 (function_prologue): Fix code for a monitor
13182 function. Support H8S.
13183 (function_epilogue): Do not output pop for a monitor function.
13185 2001-01-09 Nick Clifton <nickc@redhat.com>
13187 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
13188 (setup_incoming_varargs): Use sysv_varargs_p field of the
13189 cfun->machine structure.
13190 (struct machine_function): Move to rs6000.h
13191 (rs6000_save_machine_status): Delete.
13192 (rs6000_restore_machine_status): Delete.
13193 (rs6000_init_machine_status): New Function.
13194 (rs6000_free_machine_status): New Function.
13195 (rs6000_init_expanders): Use new functions.
13197 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
13198 export.
13199 (struct machine_function): Move here.
13201 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
13202 sysv_varargs_p field of the cfun->machine structure.
13204 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
13205 Remove prototype.
13206 (rs6000_restore_machine_status): Remove prototype.
13208 2001-01-09 Richard Henderson <rth@redhat.com>
13210 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
13211 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
13212 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
13213 (sched_analyze_2, sched_analyze_insn): Likewise.
13214 (sched_analyze, init_deps): Likewise.
13215 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
13216 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
13217 (compute_block_backward_dependences): Update propagate_deps call.
13219 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
13221 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
13223 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13225 * cppinit.c (OPT_MD, OPT_MMD): Restore.
13226 (cpp_handle_option): Handle them.
13227 (cpp_post_options): Ensure one of -M or -MM is specified with
13228 any other -M? option.
13229 (init_dependency_output): Suppress output with -MG.
13231 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13233 * cpp.texi: Update.
13234 * invoke.texi: Update.
13236 2001-01-09 Bernd Schmidt <bernds@redhat.com>
13238 * sh.md (reload_outsf): Generate recognizable patterns for
13239 TARGET_SH3E.
13241 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13243 * c-lang.c (lang_hooks): Update.
13244 (lang_init): Rename c_init.
13245 (lang_finish): Remove.
13246 * toplev.c (compile_file): Use lang_hooks for lang_init ()
13247 and lang_finish ().
13248 * toplev.h (lang_hooks): Add init () and finish ().
13249 * tree.h (lang_init, lang_finish): Remove.
13250 * cp/tree.h (lang_init, lang_finish): Remove.
13251 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
13252 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
13253 lang_hooks): New.
13254 (lang_init, lang_finish): Remove.
13255 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
13256 (lang_hooks): Update.
13257 * java/lang.c (lang_init): Rename java_init.
13258 (lang_finish): Remove.
13259 (lang_hooks): Update.
13260 * objc/objc-act.c (lang_init): Rename objc_init.
13261 (lang_finish): Remove.
13262 (lang_hoooks): Update.
13264 20001-01-09 Graham Stott <grahams@redhat.com>
13266 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
13267 after `ptr` is initialized.
13269 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13271 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
13272 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
13273 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
13274 stack adjusts, instead of r3.
13276 2001-01-09 Michael Hayes <mhayes@redhat.com>
13278 * flow.c (flow_loop_scan): Break out of ...
13279 (flow_loops_find) ... here.
13280 * basic-block.h (flow_loop_scan): New.
13281 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
13282 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
13284 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13286 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
13287 macro_buffer_len.
13288 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
13289 realloc()ing macro_buffer.
13291 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
13292 if it's wider than long and the target's long is wider than the
13293 host's.
13295 2001-01-09 Mark Mitchell <mark@codesourcery.com>
13297 Remove support for using UWIN as a host machine.
13298 * configure.in: Issue an error message.
13299 * configure: Regenerated.
13300 * config.gcc: Remove xm_* UWIN configury.
13301 * config/i386/xm-uwin.h: Remove.
13303 2001-01-08 Nick Clifton <nickc@redhat.com>
13305 * config/v850/v850.c (ra_rtx): Delete.
13306 (v850_save_machine_status): Delete.
13307 (v850_restore_machine_status): Delete.
13308 (v850_init_machine_status): New function.
13309 (v850_mark_machine_status): New function.
13310 (v850_free_machine_status): New function.
13311 (v850_return_addr): Use ra_rtx field in machine structure.
13312 (v850_init_expanders): Use new functions.
13314 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
13315 * config/v850/v850.c: Change arguments to v850_output+* functions
13316 to take a const char *, to avoid compile time warning.
13317 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
13318 (USER_LABEL_PREFIX): Redefine.
13320 2000-01-08 Jim Wilson <wilson@redhat.com>
13322 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
13323 1 to unsigned HOST_WIDE_INT before left shift.
13325 2001-01-08 Nick Clifton <nickc@redhat.com>
13327 * config/arm/arm.c (arm_mark_machine_status): Check to see if
13328 the machine structure has been allocated.
13329 (arm_free_machine_status): New function: Free the machine
13330 specific function structure.
13332 2001-01-08 Richard Henderson <rth@redhat.com>
13334 * jump.c (simplejump_p): Revert last change.
13336 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
13338 * cppinit.c (init): Rename init_library.
13339 (cpp_create_reader): Update.
13340 * gcc.c (cpp_options): If -o given, use it as the target of
13341 any -M options.
13343 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13345 * arm.c (arm_arch5e): New variable.
13346 (all_cores): XScale is a 5TE device.
13347 (arm_override_options): Set arm_arch5e.
13348 (arm_init_builtins): __builtin_prefetch is in arch5e.
13349 * arm.h (arm_arch5e): Declare it.
13351 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
13353 * arm.md (define_constants): Add defines for UNSPEC and
13354 UNSPEC_VOLATILE insns. Update all users.
13355 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
13356 * arm.c (multi_register_push, note_invalid_constants)
13357 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
13358 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
13359 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
13361 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
13363 * jump.c (jump_optimize_1): Use reversed_comparison_code
13364 instead of can_reverse_comparison_p.
13365 (jump_back_p): Likewise.
13366 (invert_exp_1): Likewise.
13367 (thread_jumps): Likewise.
13368 * simplify-rtx.c (simplify_unary_operation): Likewise.
13369 (simplify_ternary_operation): Likewise.
13370 * cse.c (find_comparison_args): Convert to use
13371 can_reverse_comparison_p.
13372 (record_jump_equiv): Likewise.
13374 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13376 * arm.h (HARD_REGNO_RENAME_OK): Delete.
13377 (EPILOGUE_USES): Define.
13378 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
13379 automatically stack the LR if it isn't live.
13381 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
13383 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
13384 properly.
13386 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
13388 * ggc-page.c (max_alignment): New structure.
13389 (MAX_ALIGNMENT): New macro.
13390 (init_ggc): Use it to round up the sizes in the
13391 extra_order_size_table.
13393 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13395 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
13396 after reload.
13398 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13400 * builtins.def (BUILT_IN_FPRINTF): New entry.
13402 * c-common.c (c_expand_builtin_fprintf): New function.
13403 (init_function_format_info): Handle __builtin_fprintf.
13404 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
13405 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
13407 * c-decl.c (duplicate_decls): Adjust comment.
13409 * extend.texi (fprintf): Document new builtin.
13411 2001-01-07 Richard Henderson <rth@redhat.com>
13413 * jump.c (simplejump_p): Recognize any single_set jump
13414 of the proper form.
13416 2001-01-07 Richard Henderson <rth@redhat.com>
13418 * configure.in (slibdir): Accept an --with-slibdir option.
13419 Use "test" not "[" in configure. Default to $(libdir).
13421 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
13422 fix typo in rm -f.
13423 * config/t-aix43 (SHLIB_INSTALL): Likewise.
13424 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
13425 (SHLIB_LINK): Create links for the soname.
13426 * config/mips/t-iris6: Likewise.
13427 * config/sparc/t-slibgcc: Likewise.
13428 * config/sparc/t-slibgcc-sld: Likewise.
13430 2001-01-07 Jakub Jelinek <jakub@redhat.com>
13432 * config/i386/i386.c (constant_call_address_operand): Accept
13433 (const (plus (symbol_ref) (const_int))).
13434 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
13435 constant_call_address_operand.
13437 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13439 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
13440 and LONG_LONG_TYPE_SIZE > 32.
13442 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13444 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
13445 the previous change.
13447 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
13449 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
13450 New.
13451 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
13452 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
13453 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
13454 Declare.
13456 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13458 * fix-header.c (read_scan_file): s/pfile/scan_in/.
13460 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13462 * c-lang.c (c_post_options): Call cpp_post_options.
13463 * objc/objc-act.c (objc_post_options): Similarly.
13464 * cppmain.c (main): Similarly.
13465 * fix-header.c (read_scan_file): Similarly.
13466 * cppinit.c (cpp_start_read): Move option consistency checks
13467 to cpp_post_options. Don't call init_dependency_output.
13468 If needed, add default target and main file dependency.
13469 (OPT_MD, OPT_MMD): Remove.
13470 (OPT_MF): New.
13471 (cpp_handle_option): Update for OPT_* changes.
13472 (cpp_post_options): New.
13473 (init_dependency_output): Command line -MF overrides environment
13474 variables. Don't set default target etc. Suppress output
13475 if dependencies are going to stdout.
13476 (print_help): Update.
13477 * cpplib.h (cpp_post_options): New.
13478 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
13480 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
13482 * jump.c (comparison_dominates_p): Support unordered compares.
13484 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
13486 * simplify-rtx.c (simplify_relational_operation): Always simplify
13487 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
13488 and UNGE.
13490 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
13492 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
13493 (nonzero_bits): Likewise.
13494 (simplify_comparison): Likewise.
13495 (num_sign_bit_copies): Likewise; return more sane value depending
13496 on STORE_FLAG_VALUE.
13497 (known_cond): Do not assume EQ to be always true for equivalent
13498 operands.
13500 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
13502 * cse.c (fold_rtx): Handle unordered comparisons.
13504 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
13506 * rtlanal.c (set_of_1): New static function.
13507 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
13508 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
13509 reg_set_last_last_regno): Remove.
13510 (set_of): New global function.
13511 (set_of_data): New structure.
13512 (reg_set_p, reg_set_last): Revamp for set_of.
13513 * rtl.h (set_of): New.
13515 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
13517 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
13518 * extend.texi: Document _Exit builtin.
13520 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13522 * (initialize, initialize_builtins,
13523 initialize_dependency_output, initialize_standard_includes):
13524 Rename s/initialize/init. Update.
13525 (init_dependency_output): Move to after
13526 cpp_handle_options, the correct location temporally at least.
13527 (opt_comp): Move next to init (), its caller. Fix prototype.
13528 (init): Make "initialized" local scope.
13529 (cpp_create_reader): Always call init ().
13530 (cpp_start_read): Update.
13531 (output_deps): New function, broken out of cpp_finish.
13532 (cpp_finish): Break out output_deps.
13534 2001-01-07 Richard Henderson <rth@redhat.com>
13536 * collect2.c (COFF specific stuff): Revert 12-06 patch
13537 to prototype system functions.
13539 2001-01-07 Michael Hayes <mhayes@redhat.com>
13541 * hard-reg-set.h: Add multiple include guard.
13542 * basic-block.h (struct loop): Add `sink' field.
13543 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13544 (emit_iv_add_mult): Delete.
13545 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13546 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13547 (unroll_loop): Remove end_insert_before argument.
13548 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13549 (maybe_eliminate_biv_1): Likewise.
13550 (emit_iv_add_mult): Delete.
13551 (gen_add_mult, loop_regs_update): New.
13552 (loop_insn_emit_after, loop_insn_emit_before): New.
13553 (loop_insn_sink, loop_insn_sink_or_swim): New.
13554 (emit_iv_add_mult): Delete.
13555 (scan_loop): Set loop->sink.
13556 (loop_givs_reduce): Use loop_insn_sink and its ilk.
13557 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13558 (maybe_eliminate_biv_1): Likewise.
13559 (maybe_eliminate_biv_1): Add basic block argument.
13560 * unroll.c (unroll_loop): Remove end_insert_before argument.
13561 (find_splittable_regs): Likewise.
13562 (find_splittable_regs): Use loop_insn_sink and its ilk.
13563 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13565 2001-01-07 Michael Hayes <mhayes@redhat.com>
13567 * loop.h (loop_insn_hoist): New prototype.
13568 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13569 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13570 (check_dbra_loop, load_mems): Likewise.
13571 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13572 (find_splittable_givs): Likewise.
13574 2001-01-07 Michael Hayes <mhayes@redhat.com>
13576 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13578 2001-01-07 Richard Henderson <rth@redhat.com>
13580 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13582 2001-01-07 Richard Henderson <rth@redhat.com>
13584 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13585 NO_SHARED_LIBGCC_MULTILIB as required for the target.
13586 * gcc.c (init_spec): Massage the existing libgcc_spec into a
13587 variant that handles a shared libgcc.
13588 (process_command): Always validate -{static,shared}-libgcc.
13589 (do_spec_1): New 'M' case.
13590 * invoke.text (Link Options): Document -{static,shared}-libgcc.
13592 2001-01-07 Richard Henderson <rth@redhat.com>
13594 * Makefile.in (slibdir): New variable.
13595 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13596 (installdirs): Create slibdir.
13597 (install-libgcc, install-multilib): Defer to libgcc.mk.
13598 * configure.in (slibdir): Substitute.
13599 * mklibgcc.in (install): New target.
13601 * config/t-linux (SHLIB_LINK): Create links for the soname.
13602 (SHLIB_INSTALL): New.
13603 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13604 * config/mips/t-iris6 (SHLIB_INSTALL): New.
13605 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13606 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13607 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13609 2001-01-07 Richard Henderson <rth@redhat.com>
13611 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13612 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13613 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13615 2001-01-07 Michael Hayes <mhayes@redhat.com>
13617 * loop.c (count_loop_regs_set): Delete.
13618 (load_mems_and_recount_loop_regs_set): Delete.
13619 (loop_regs_scan): Merge common code from count_loop_regs_set,
13620 scan_loop, and load_mems_and_recount_loop_regs_set.
13621 (scan_loop): Call load_mems directly and loop_regs_scan
13622 again if new registers created.
13624 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13626 * toplev.c (main): Call the front-end specific post_options
13627 hook if one is given.
13628 * toplev.h (struct_lang_hooks, lang_hooks): New.
13629 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13630 for the C front end.
13631 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13632 lang_hooks for the C++ front end.
13633 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13634 lang_hooks for the ObjC front end.
13635 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13636 * java/lang.c (lang_hooks): Hooks for the Java front end.
13638 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13640 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13641 for verbose DWARF[2] debugging.
13642 (cb_define, cb_undef): The new callbacks.
13643 * toplev.h (debug_define, debug_undef): Make const correct.
13644 * toplev.c (debug_define, debug_undef): Similarly. Do not
13645 perform the verbosity tests here anymore.
13647 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13649 * reload.c (subst_reloads): Take INSN argument. When
13650 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13651 * reload.h (subst_reloads): Adjust prototype.
13652 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13653 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13654 present in JUMP_INSNs and copy them to JUMP_LABEL.
13655 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13656 JUMP_INSNs and insns with REG_LABELs that are followed by
13657 JUMP_INSNs with the same REG_LABEL.
13658 * sched-rgn.c (is_cfg_nonregular): Likewise.
13659 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13660 note is available.
13661 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13662 JUMP_INSNs too.
13663 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13665 2001-01-06 Richard Henderson <rth@redhat.com>
13667 * loop.c (scan_loop): Use xcalloc for the regs array.
13668 (load_mems_and_recount_loop_regs_set): Zero the new memory
13669 received from xrealloc.
13671 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13673 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13675 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13677 * integrate.c (copy_rtx_and_substitute): When copying
13678 an ignored return value, strip REG_FUNCTION_VALUE_P.
13680 2001-01-06 Michael Hayes <mhayes@redhat.com>
13682 * loop.c (debug_biv, debug_giv): New.
13683 (loop_biv_dump): Break out from ...
13684 (record_biv): ... here.
13685 (loop_giv_dump): Break out from ...
13686 (record_giv): ... here.
13687 (loop_bivs_check): Use print_simple_rtl.
13688 * unroll.c (loop_iterations): Use print_simple_rtl.
13690 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13692 * pa.md (return, return_internal): Modify patterns to prevent regrename
13693 mucking with the return pointer.
13695 2001-01-05 Richard Henderson <rth@redhat.com>
13697 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13699 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13701 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13702 version supplied by Matteo Frigo.
13704 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13706 * cpp.texi: Update for -MQ.
13707 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13708 (cpp_cleanup): Always free pfile->deps.
13709 (initialize_dependency_output): Don't create pfile->deps.
13710 (cpp_handle_option): Similarly.
13711 (OPT_MQ): New.
13712 * gcc.c (cpp_options): Handle -MQ.
13713 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13714 * mkdeps.c (base_name): Remove.
13715 (deps_init): Don't allocate vector space until it's needed.
13716 (deps_free): Only free vectors if allocated.
13717 (deps_add_target, deps_add_dep): Update for initial allocation.
13718 (deps_add_default_target): Don't strip to the base_name.
13720 2001-01-05 DJ Delorie <dj@redhat.com>
13722 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13723 (INIT_EXPANDERS): Define.
13725 * config/v850/v850.c (struct machine_function): Define.
13726 (v850_save_machine_status): New function.
13727 (v850_restore_machine_status): New function.
13728 (v850_return_addr): New function.
13729 (v850_init_expanders): New function.
13731 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13732 and v850_init_expanders.
13734 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13736 * cpplib.h (struct cpp_reader): Add help_only field.
13737 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13738 (cpp_handle_option): Set pfile->help_only if we see -h,
13739 --help, -target-help, or --version. Print version string but
13740 do not set help_only if we see -v or -version. Make text
13741 printed by -v match that printed by (-)-version.
13743 * cppmain.c (main): Exit after option parsing if
13744 pfile->help_only is true.
13746 * toplev.c (independent_decode_option): Call print_version,
13747 then exit, if we see --version (but not -version).
13748 (print_version): Split lengthy message into two lines.
13750 2001-01-05 Nick Clifton <nickc@redhat.com>
13752 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13753 temporary string for initialisation before calling ggc_alloc_string.
13755 2001-01-06 Michael Hayes <mhayes@redhat.com>
13757 * rtl.h (print_simple_rtl): New.
13758 * print-rtl.c (print_simple_rtl): New.
13759 (flag_simple): New.
13760 (print_rtx): Disable printing of flags and modes, etc.,
13761 if `flag_simple` nonzero.
13763 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13765 * function.c (fixup_var_refs): Use push_to_full_sequence where
13766 possible.
13768 2001-01-05 Michael Meissner <meissner@redhat.com>
13770 * flags.h (flag_reorder_blocks): Add declaration.
13771 (flag_rename_block): Ditto.
13773 2001-01-05 DJ Delorie <dj@redhat.com>
13775 * function.c (reorder_blocks): Make sure the flags are all reset
13776 before using them to mark blocks, else a second invocation will
13777 corrupt the block chain.
13778 (reorder_blocks_0): New, resets the flags.
13780 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13782 * cse.c (find_comparison_args): Stop if the argument is known to
13783 be constant.
13785 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13787 * config/sh/sh.md (movdf): When splitting load into pair of
13788 registers, don't clobber the register used in the address too
13789 early.
13791 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13793 * varasm.c (mark_constant_pool): Improve initial comments.
13794 (mark_constants): Move marking of constants to mark_constant.
13795 (mark_constant): New function to recursively mark all constants
13796 referred to by a constant.
13798 2001-01-05 Catherine Moore <clm@redhat.com>
13800 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13802 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13804 * cp/lang-options.h: Bring comment in line with reality.
13805 * f/lang-options.h: Likewise.
13806 * java/lang-options.h: Likewise.
13807 * objc/lang-options.h: Likewise.
13808 * ch/lang-options.h: Likewise.
13809 * f/g77.texi: And update the manual.
13811 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13812 Denis Chertykov <denisc@overta.ru>
13814 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13815 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13816 * config/avr/avr.md (all peepholes that request a scratch register):
13817 Call it, FAIL the peephole if not safe (in interrupt functions).
13819 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13821 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13823 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13825 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13826 Define.
13827 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13828 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13829 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13830 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13831 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13832 BUILT_IN_CIMAG.
13833 * extend.texi: Document these builtins.
13835 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13837 * c-common.c (lang_get_alias_set): Say we know nothing of
13838 VECTOR_TYPE aliasing.
13840 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13842 2001-01-05 Bruce Korb <bkorb@gnu.org>
13844 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13845 their x* equivalent versions for atexit-less systems
13846 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13847 systems (or any other system any more).
13849 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13851 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13852 output operands. Use arm_hard_register_operand for operand 4.
13853 (stmsi_postinc): Similarly.
13854 (ldmsi): Use arm_hard_register_operand for opernand 2.
13855 (stmsi): Similarly.
13856 * arm.c (arm_hard_register_operand): New function.
13857 * arm-protos.h (arm_hard_register_operand): Prototype it.
13859 * arm.h (HARD_REGNO_RENAME_OK): Define.
13861 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13863 * simplify-rtx.c (cfc_args): add "unordered" field.
13864 (check_fold_consts): Set unordered field.
13865 (simplify_relational_operation): Simplify the unordered
13866 comparisons.
13868 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13869 is valid.
13871 * emit-rtl.c (try_split): Fix code to mark labels.
13872 * jump.c (mark_jump_label): Make global.
13873 * rtl.h (mark_jump_label): Declare.
13875 * predict.c (estimate_probability): Handle unordred comparisons.
13877 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13879 * cpp.texi: Update for -MP. Clarify behavior of -MT.
13880 * cppinit.c (initialize_dependency_output): Update.
13881 (cpp_finish): Output dummy targets for -MP.
13882 (OPT_MP): New.
13883 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13884 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13885 * gcc.c (cpp_options): Update to handle -MP.
13886 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13887 to quote only the default target.
13888 (deps_phony_targets): Insert a preceding newline. Rename from
13889 deps_dummy_targets for consistency.
13890 * mkdeps.h: Update
13892 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13894 * calls.c (emit_library_call_value_1): Support
13895 INIT_CUMULATIVE_LIBCALL_ARGS.
13896 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13898 2001-01-04 Richard Henderson <rth@redhat.com>
13900 * c-decl.c (finish_struct): Detect flexible array members
13901 used in an inappropriate context.
13902 * c-typeck.c (really_start_incremental_init): Special case
13903 constructor_max_index for zero length arrays.
13904 (pop_init_level): Allow initialization of flexible array
13905 members. Deprecate initialization of zero length arrays.
13906 Don't issue missing initializer warning for flexible array
13907 members or zero length arrays.
13908 (process_init_element): Don't dereference null DECL_SIZE.
13909 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13910 Don't abort for empty constructors. Use size_binop
13911 (output_constructor): Add commentary regarding zero length
13912 array futures. Abort if we try to initialize an array of
13913 unspecified length with a non-empty constructor in the middle
13914 of a structure.
13916 * extend.texi (Zero Length): Update and clarify documentation
13917 on static initialization.
13919 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13921 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13922 with more than 32767 words of local storage.
13924 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13926 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13927 for 'abs', 'labs', and 'fabs'.
13928 (c4x_expand_builtin): Likewise.
13929 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13931 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13933 * config/sh/sh.md (prget, prset): New insn types.
13934 (return delay slot): Don't allow prset.
13935 (call, sfunc delay slot): Don't allow prget.
13936 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13937 for prset and prget.
13939 2001-01-05 Michael Hayes <mhayes@redhat.com>
13941 * loop.h (struct loop_reg): New.
13942 (struct loop_regs): Change to use array of `struct loop_reg'.
13943 * loop.c: Replace assortment of varrays with single regs array.
13944 (count_one_set): Delete may_not_move array argument
13945 and use regs array instead. All caller's changed.
13946 (count_loop_regs_set): Delete may_not_move and single_usage
13947 arguments and use regs array instead. All caller's changed.
13948 (find_single_use_in_loop): Replace usage array argument with pointer
13949 to regs structure. All caller's changed.
13950 (loop_optimize): Delete `moved_once' array.
13952 2001-01-05 Michael Hayes <mhayes@redhat.com>
13954 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13955 Use it instead of loop_info->has_call for scanning loop mems.
13956 (check_dbra_loop): Replace loop_info->has_call test with
13957 loop_info->has_nonconst_call.
13959 2000-01-04 Matthew Hiller <hiller@redhat.com>
13961 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13962 for TARGET_SH3E.
13964 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13966 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13967 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13969 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13971 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13972 (flag_short_double, flag_short_wchar): Define.
13973 (c_common_nodes_and_builtins): Create many tree nodes shared
13974 between C and C++ here instead of in cp/decl.c and ...
13975 * c-decl.c (init_decl_processing): ... here.
13976 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13977 (flag_short_double, flag_short_wchar): Don't define.
13978 (record_builtin_type): New function.
13979 (build_void_list_node): New function.
13980 * c-common.h (flag_short_double, flag_short_wchar,
13981 record_builtin_type, build_void_list_node): Declare.
13983 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13985 * integrate.c (expand_inline_function): Don't put a virtual
13986 register into the reg map.
13988 * function.c (fixup_var_refs_1): If force_operand didn't put
13989 the address into the target, move it there.
13991 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13993 Special-case tree_decl/tree_list allocations.
13994 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13995 (OBJECT_SIZE): New macro.
13996 (NUM_EXTRA_ORDER): Likewise.
13997 (extra_order_size_table): New variable.
13998 (NUM_ORDERS): New macro.
13999 (objects_per_page_table): New variable.
14000 (object_size_table): New variable.
14001 (G.pages): Use NUM_ORDERS to bound the array.
14002 (G.page_tails): Likewise.
14003 (DIV_ROUND_UP): Remove.
14004 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
14005 (alloc_page): Use OBJECT_SIZE.
14006 (size_lookup): Don't make it const.
14007 (ggc_alloc): Use OBJECT_SIZE.
14008 (ggc_set_mark): Likewise.
14009 (ggc_get_size): Likewise.
14010 (init_ggc): Set up the object_size_table, objects_per_page_table,
14011 and adjust size_lookup.
14012 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
14013 (ggc_pop_context): Use NUM_ORDERS.
14014 (clear_marks): Likewise.
14015 (sweep_pages): Likewise.
14016 (poison_pages): Likewise.
14017 (ggc_print_statistics): Use OBJECT_SIZE.
14019 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14021 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
14022 Only call array_size_for_constructor if last field and array type
14023 with no upper bound.
14025 2001-01-04 Philip Blundell <philb@gnu.org>
14027 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
14028 from bit 31 downwards, if this requires no more insns.
14029 (count_insns_for_constant): New helper function for above.
14031 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
14033 * gencodes.c (output_predicate_decls): Remove empty initializer.
14035 2001-01-04 Mark Mitchell <mark@codesourcery.com>
14037 * tree.c (copy_node): Remove documentation about obstacks.
14038 (buidl1): Check that nobody tries to build 2-argument nodes this
14039 way.
14041 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14043 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
14044 fp_high_losum_p.
14046 * gencodes.c (output_predicate_decls): Fill empty initializer
14047 braces.
14049 2001-01-04 Jakub Jelinek <jakub@redhat.com>
14051 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
14052 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
14053 or -MM.
14054 (do_include): Handle missing headers like cpp0.
14055 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
14056 paths with first include pathname. Don't strcat to uninitialized
14057 string.
14059 2001-01-04 Bernd Schmidt <bernds@redhat.com>
14061 * regrename.c (regrename_optimize): Don't rename from frame pointer
14062 if frame_pointer_needed.
14063 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
14064 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
14065 (ia64_reorg): Use it instead of scheduling if ! optimize.
14066 (errata_emit_nops): Properly call asm_noperands.
14067 (ia64_sched_reorder): Finish cycle if we see an asm.
14068 (ia64_variable_issue): Clear scheduling state after asms.
14070 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
14072 * cpp.texi: Update for -MT.
14073 * cppinit.c (initialize_dependency_output): Add a default
14074 target if none has been given already.
14075 (no_tgt, OPT_MT): New.
14076 (cpp_handle_option): Handle -MT. Update -M etc.
14077 * cpplib.h (struct cpp_options): Remove deps_target.
14078 * gcc.c (cpp_options): Handle -MT.
14079 * mkdeps.c (struct deps): Move from mkdeps.h.
14080 (deps_calc_target): Rename deps_add_default_target. Add a
14081 default target if none has been specified already.
14082 * mkdeps.h (struct deps): Move to mkdeps.c.
14083 (deps_calc_target): Rename deps_add_default_target.
14085 2000-01-03 Richard Henderson <rth@redhat.com>
14087 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
14088 Remove dead code.
14089 * c-typeck.c (push_init_level): Move checks for flexible array
14090 members and zero length arrays ...
14091 (pop_init_level): ... here. Silently discard empty initializations.
14092 Remove dead code.
14093 * varasm.c (output_constructor): Update for sizeof change to
14094 zero-length arrays.
14096 * extend.texi (Zero Length): Clarify semantics.
14098 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14100 * configure.in (tm.h): Include isns-codes.h last.
14101 * configure: Rebuilt.
14103 2001-01-03 Richard Henderson <rth@redhat.com>
14105 * config/alpha/alpha.md (addvsi3, addvdi3): New.
14106 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
14108 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14110 * tradcpp.c (main): Make sure finclude() is called with a valid
14111 indepth value while handling -include.
14113 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14115 * gencodes.c (output_predicate_decls): New function.
14116 (main): Call it.
14117 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
14118 even if it is not the first time machmode.h is #included.
14119 * config/sh/sh.c (fpul_operand): Declare MODE argument.
14120 * tm.texi (PREDICATE_CODES): Document predicate declarations.
14121 * gcc.texi (Copyright): Added 2001.
14123 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14125 * c-common.c (c_common_lang_init): New function. Warn if format
14126 warning options which only have effects when used with -Wformat
14127 are used without -Wformat.
14128 * c-common.h (c_common_lang_init): Declare.
14129 * c-lang.c (lang_init): Call c_common_lang_init.
14130 * objc/objc-act.c (lang_init): Call c_common_lang_init.
14132 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14134 * configure.in: Check for the mktemp command.
14135 * configure: Regenerate.
14136 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
14137 $TEMP. Create temporary files with mktemp, if available at
14138 configure time; otherwise use set -C. Remove temporary files
14139 before exit.
14141 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14143 * configure.in: Require at least texinfo 4.0. Check for whether
14144 Pod::Man is sufficiently recent to regenerate GCC manpages.
14145 * configure: Regenerate.
14146 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
14147 on #!.
14148 (GENERATED_MANPAGES): Define.
14149 (generated-manpages): New target. Depend on cpp.1 as well as
14150 gcov.1.
14151 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
14152 configure to generated-manpages or empty) rather than on the
14153 manpages directly. Remove execute permission from installed
14154 gcov.1 as well as cpp.1.
14155 * cpp.1, gcov.1: Regenerate.
14157 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14159 * builtins.c (expand_builtin_strncmp): Use host_integerp and
14160 tree_low_cst. Allow using cmpstrsi in more cases.
14162 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14164 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
14165 sized types.
14167 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
14169 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
14170 * Makefile.in (HOST_CFLAGS): Mention build-make.
14172 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14174 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
14175 as JUMP_INSN.
14177 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14179 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
14180 a REG rtx.
14182 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
14183 callers changed.
14185 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
14186 reg_base_value and reg_known_value arrays.
14187 (init_alias_analysis): Add more cases to detect known values.
14188 * sched-deps.c (deps_may_trap_p): New function.
14189 (sched_analyze_2): Use it.
14191 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14193 * combine.c (simplify_shift_const): Even if we're sign-extracting,
14194 don't discard an ASHIFTRT if we're shifting in a wider mode.
14196 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
14198 * toplev.c (rest_of_compilation): Don't print basic block information
14199 when CFG isn't up to date.
14201 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
14203 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
14204 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
14205 (UNALIGNED_SHORT_ASM_OP): Define.
14206 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
14208 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14210 * fold-const.c (fold_convert): Fix typo.
14212 2001-01-02 Richard Henderson <rth@redhat.com>
14214 * c-common.h (ASM_INPUT_P): New.
14215 * c-parse.in (asm): Set it when needed.
14216 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
14217 existence of an operand.
14219 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
14221 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
14222 (dwarf2out_frame_debug_expr): Likewise.
14223 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
14225 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
14227 * i386.c (ix86_split_to_parts): Return number of part required;
14228 handle TFmodes.
14229 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
14230 TFmodes.
14231 (ix86_split_long_move): Use number of part returned
14232 by ix86_split_to_parts
14233 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
14234 New macros.
14235 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
14236 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
14237 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
14238 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
14239 (ALIGN_MODE_128): Add TFmode.
14240 (IS_STACK_MODE): Likewise.
14241 (HARD_REGNO_NREGS): TFmode needs 3 registers.
14242 (HARD_REGNO_OK): Support TFmodes.
14243 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
14244 * i386.md (scheduler definitions): Use memory operand to determine
14245 fst/fld instructions; use mode attribute to determine real mode of
14246 the instruction.
14247 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
14248 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
14250 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14252 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
14254 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14256 * expr.c (store_constructor_field): Update ALIGN before calling
14257 store_constructor.
14259 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14261 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
14262 host_integerp.
14264 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14266 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
14267 incomplete type.
14269 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14271 * c-decl.c (start_function): Don't warn on third parameter to main.
14273 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14275 * tsystem.h: Define HAVE_DECL_GETOPT.
14277 2001-01-02 Philip Blundell <pb@futuretv.com>
14279 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
14280 of input operand.
14282 2001-01-02 Richard Henderson <rth@redhat.com>
14284 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
14286 2001-01-02 Andreas Jaeger <aj@suse.de>
14288 * c-decl.c (c_decode_option): Remove support of
14289 -Wmissing-noreturn.
14291 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
14292 (W_options): Add -Wmissing-noreturn here.
14294 * flow.c: Define lang_missing_noreturn_ok_p.
14295 (check_function_return_warnings): Use it.
14297 * c-common.h: Declare lang_missing_noreturn_ok_p.
14299 * c-lang.c (c_missing_noreturn_ok_p): New function.
14300 (lang_init): Set lang_missing_noreturn_ok_p.
14302 * invoke.texi (Warning Options): Document this.
14304 2000-12-27 Phil Edwards <pme@sources.redhat.com>
14306 * extend.texi (C++ Extensions): New node for C++ attributes;
14307 describe init_priority and com_interface.
14308 * invoke.texi: Remove -finit-priority as it now has zero effect.
14309 * install.texi: Fix xref syntax.
14310 * md.texi: Likewise.
14312 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14314 * config.gcc (sparc64-wrs-vxworks*): New case.
14315 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
14317 * config/sparc/sparc.c (sparc_override_options): Do support different
14318 pointer and architecture size.
14319 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
14320 (POINTERS_EXTEND_UNSIGNED): Define.
14321 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
14322 (FUNCTION_MODE): Define to be Pmode.
14323 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
14325 * function.c (expand_function_end): Properly handle DECL_RESULT
14326 and copy when ptr_mode != Pmode.
14327 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
14329 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14331 * c-common.c (c_common_nodes_and_builtins): Set prototype
14332 parameters for __builtin_fputs, __builtin_fputc and
14333 __builtin_fwrite. Don't declare plain fputc as a builtin.
14335 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
14337 * loop.c (add_label_notes): Increment the label usage count when
14338 a note is added to an insn which refers to a CODE_LABEL.
14339 * gcse.c (add_label_notes): Likewise.
14341 2001-01-01 Andreas Jaeger <aj@suse.de>
14343 * loop.c (scan_loop): Use xmalloc to allocate movables.
14345 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
14347 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
14348 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
14349 * reload1.c (REGISTER_MOVE_COST): Likewise.
14350 * regclass.c (REGISTER_MOVE_COST): Likewise.
14351 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
14352 dimension. Adjust all users.
14353 (init_reg_sets_1): Iterate on all modes.
14354 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
14355 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
14356 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
14357 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
14358 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
14359 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
14360 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
14361 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
14362 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
14363 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
14364 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
14365 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
14366 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
14367 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
14368 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
14369 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
14370 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
14371 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
14372 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
14373 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
14374 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
14375 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
14376 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
14377 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
14378 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
14379 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
14380 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
14382 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14384 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
14385 arg VARIES_P. Call it with extra arg.
14386 (true_dependence): Likewise.
14387 * rtl.h (rtx_addr_can_trap_p): Declare.
14388 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
14389 prototypes.
14390 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
14391 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
14392 pic offset table register if it's zero. All callers changed.
14393 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
14395 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14397 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
14398 STRING_POOL_ADDRESS_P.
14400 * config/sparc/sparc.c (input_operand): Properly test for short op.
14402 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
14403 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
14404 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
14405 * config/sparc/elf.h: No longer include sol2.h.
14406 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
14407 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
14409 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
14411 2001-01-01 Michael Hayes <mhayes@redhat.com>
14413 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
14414 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
14415 (record_initial): Likewise.
14416 * unroll.c (copy_loop_body, loop_iterations): Likewise.
14417 (remap_split_bivs): Likewise.
14419 2001-01-01 Michael Hayes <mhayes@redhat.com>
14421 * loop.c (loop_ivs_free): New function.
14422 (strength_reduce): Break out from...
14424 2001-01-01 Michael Hayes <mhayes@redhat.com>
14426 * loop.h (struct iv): New.
14427 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
14428 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
14429 'reg_biv_class' fields with 'regs' and 'n_regs'.
14430 (struct ivs): Rename 'loop_iv_list' field to 'list'.
14431 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
14432 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
14434 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
14436 * resource.c (mark_referenced_resources): Abort() before
14437 attempting to mark a pseudo register.
14438 (mark_set_resources): Likewise.
14440 2001-01-01 Michael Hayes <mhayes@redhat.com>
14442 * loop.h (REG_IV_CLASS): New accessor macro.
14443 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
14444 * unroll.c (REG_IV_CLASS): Likewise.
14446 See ChangeLog.4 for earlier changes.