1 2001-06-29 DJ Delorie <dj@redhat.com>
3 * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at
4 least get rid of the CONCAT if we can't simplify further.
6 Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com)
8 * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
10 * ssa.h (ssa_eliminate_dead_code): Corresponding changes.
11 * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM.
12 * toplev.c (DFI_ssa_dce): Renamed from DFI_dce.
13 (dump_file_info): Similar changes.
14 (flag_ssa_dce): Similarly
15 (f_options): Similar changes.
16 (rest_of_compilation): Corresponding changes.
17 * doc/invoke.texi: Update as option is now -fssa-dce instead
18 of -fdce. Update dump file name.
20 * ssa-dce.c (note_inherently_necessary_set): New function.
21 (find_inherently_necessary): Use it. Do not consider
22 NOTEs, CODE_LABELs or BARRIERS are necessary. Improve
23 handling of asms and unspecs.
24 (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs.
26 2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk>
28 * target.h (struct gcc_target): Add comp_type_attributes and
29 set_default_type_attributes.
30 * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES,
31 TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define.
32 (TARGET_INITIALIZER): Update.
33 * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES,
34 SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
35 Update documentation of old target macros to describe new target
37 * tree.c (make_node): Use target.set_default_type_attributes.
38 (default_comp_type_attributes,
39 default_set_default_type_attributes): New functions.
40 * tree.h (default_comp_type_attributes,
41 default_set_default_type_attributes): Declare.
42 * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define.
43 (comptypes): Use target.comp_type_attributes.
44 * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h
45 (arc_comp_type_attributes, arc_set_default_type_attributes,
46 COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove
47 functions and macros with default behaviour.
48 * config/m32r/m32r-protos.h, config/m32r/m32r.c,
49 config/m32r/m32r.h (m32r_comp_type_attributes,
50 m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
51 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
52 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
53 config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes,
54 m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
55 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
56 * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c,
57 config/ns32k/ns32k.h (ns32k_comp_type_attributes,
58 COMP_TYPE_ATTRIBUTES): Likewise.
59 * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
60 config/rs6000/rs6000.h (rs6000_comp_type_attributes,
61 rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
62 SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
63 * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES,
64 SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro
66 * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
67 * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
68 * config/arm/arm.c (arm_comp_type_attributes,
69 arm_set_default_type_attributes): Make static.
70 (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
72 * config/arm/arm.h (COMP_TYPE_ATTRIBUTES,
73 SET_DEFAULT_TYPE_ATTRIBUTES): Don't define.
74 * config/arm/arm-protos.h (arm_comp_type_attributes,
75 arm_set_default_type_attributes): Don't declare.
76 * config/i386/i386.c (ix86_comp_type_attributes): Make static.
77 (TARGET_COMP_TYPE_ATTRIBUTES): Define.
78 * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define.
79 * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't
82 2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl>
84 * predict.c (dump_prediction): Eliminate fprintf warning.
86 2001-06-28 Diego Novillo <dnovillo@redhat.com>
88 * flow.c (dump_bb): Remove unused third argument to call
89 to fprintf when displaying the basic block header.
91 2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
92 Jeff Law <law@redhat.com>
94 * Makefile.in (OBJS): Add df.o
95 (df.o): Add dependencies.
96 * basic-block.h (flow_depth_first_order_compute): Declare.
97 * flow.c (flow_depth_first_order_compute): No longer declare.
99 * df.c, df.h: New files.
101 2001-06-28 Zack Weinberg <zackw@stanford.edu>
103 * config/i386/i386.md: Global update to use new string syntax
104 where it will improve readability. Warning fixes:
105 (*truncdfsf2_2): Abort if which_alternative is not 0 or 1.
106 (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64,
107 *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int.
109 * read-rtl.c: Syntactic sugar for C embedded in strings in
110 machine descriptions.
111 (read_string): Break inner loop into separate function. Takes
112 an int. Dispatch to read_quoted_string or read_braced_string
113 as appropriate. Automatically insert a leading star on braced
114 strings if STAR_IF_BRACED is true.
115 (read_quoted_string, read_braced_string): New functions.
116 * doc/rtl.texi, doc/md.texi: Document new syntax. Update
119 * rtl.c: Split RTL reader (read_rtx, read_skip_spaces,
120 traverse_md_constants, fatal_with_file_and_line,
121 fatal_expected_char, read_name, read_string, def_hash,
122 def_name_eq_p, read_constants, and related data) to its own
123 file. Weed out now-unnecessary #includes.
124 * read-rtl.c: New file.
125 * Makefile.in (HOST_RTL): Add read-rtl.o.
126 (read-rtl.o): New rule.
127 (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies.
128 * doc/gcc.texi (Passes): Talk briefly about the support
129 library used by genfoo.
130 * doc/rtl.texi (Reading RTL): read_rtx is not available in the
133 2001-06-28 Stan Shebs <shebs@apple.com>
135 * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define.
136 * config/darwin-c.c: New file.
137 * config/darwin-protos.h: Declare new functions.
138 * config/rs6000/t-darwin (darwin-c.o): New rule.
139 * config.gcc (powerpc-*-darwin*): Define c_target_objs and
141 * doc/extend.texi (Pragmas): New section.
143 Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz>
145 * flow.c (try_merge_block): Rename to try_optimize_cfg;
146 do basic simplifications on the CFG.
147 (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
148 try_simplify_condjump): New.
149 (redirect_edge_and_branch): Try replace jump insn.
150 (flow_delete_insn): Handle deleting of ADDR_VEC insns.
152 * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.
154 Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com)
156 * ssa-dce.c (eliminate_dead_code): Properly handle control
157 dependencies implied by PHI nodes.
159 * ssa-dce.c (eliminate_dead_code): Remove fake edges from the
160 CFG after dead code elimination is complete.
162 2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
164 * gthr-posix.h [LIBOBJC]: Add weak definitions of
165 sched_get_priority_max, sched_get_priority_min.
167 2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com>
169 * diagnostic.c (default_print_error_function): Tweak.
170 (report_error_function): Likewise.
171 * toplev.h (default_print_error_function): Move to...
172 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
173 * tree.h (print_error_function): Move to...
174 * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
176 Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
178 * expr.c (expand_assignment): When have varying-length object,
180 (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting
181 SAVE_EXPR stack in case we had a SUBREG.
183 Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz>
185 * i386.md (cmp?i): Simplify; refuse immediate operand
187 * i386.c (cmpsi_operand): Refuse constants.
189 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
191 * flow.c (block_label, redirect_edge_and_branch): Split out from ....
192 (split_edge) .... here;
194 2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk>
196 * i386/i386.c (ix86_valid_type_attribute_p): Give external
197 linkage, move declaration to...
198 * i386/i386-protos.h: ...here.
200 2001-06-27 H.J. Lu (hjl@gnu.org)
202 * build-make (CC): Removed.
203 (HOST_CC): Set to $(CC_FOR_BUILD).
204 (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD).
205 Fix a typo in comments.
207 * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when
208 generating auto-build.h for canadian cross compile. Set CC
209 to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'.
211 * configure: Regenerated.
213 2001-06-27 Jim Wilson <wilson@redhat.com>
215 * emit-rtl.c (gen_highpart): Call validize_mem.
217 2001-06-27 Bruce Korb <bkorb@gnu.org>
219 * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
220 hpux10_cpp_pow_inline. Not similar enough.
221 (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for
222 all Solaris versions. This fix patches MUTEX and COND initializers,
223 the RWLOCK one will wait for someone to complain. For now, anyway.
224 (uw7_byteorder_fix): It was looking for the byteorder.h file in the
227 2001-06-27 Stan Shebs <shebs@apple.com>
229 * objc/objc-act.c (handle_impent): Rewrite to be more portable
230 and to use ASM_DECLARE_CLASS_REFERENCE.
231 * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
232 undocumented DECLARE_CLASS_REFERENCE, add file argument.
233 * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
235 Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com)
237 * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
238 by putting complex operands first and constants second.
240 2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com>
242 * diagnostic.h: Add documentation. Make macros polymorphic.
243 * diagnostic.c (ideal_line_wrap_cutoff): Remove
244 definition. Replace with diagnostic_line_cutoff.
245 (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule.
247 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
249 * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
250 doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
251 doc/gcov.texi, doc/install-old.texi, doc/install.texi,
252 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
253 . at end of sentences preceded by a capital letter with @..
255 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
257 * doc/invoke.texi: Add description of max-gcse-passes param.
259 * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES.
260 (MAX_PASSES): Remove now unneeded macro.
262 * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of
263 max-gcse-passes param.
265 * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling
266 maximum number of GCSE passes to run. Defaults to 1 (which is what
267 MAX_PASSES in gcse.c used to be).
269 2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk>
271 * system.h (TARGET_ESC): Move to ...
272 * defaults.h (TARGET_ESC): ... here.
273 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
274 TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler.
275 * tree.c (default_valid_attribute_p): New.
276 (valid_machine_attribute): Handlers can not be NULL.
277 * tree.h (default_valid_attribute_p): New.
278 * doc/tm.texi: Document TARGET_ESC.
279 * cp/decl2.c (import_export_class): Update.
281 2001-06-26 Bruce Korb <bkorb@gnu.org>
283 * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot
284 use preprocessing directives inside a string literal. Fixed.
286 2001-06-26 Jim Wilson <wilson@redhat.com>
288 * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT):
291 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
293 * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
294 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
295 doc/tm.texi: Use @: where necessary when a full stop does not end
298 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
300 * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
303 2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
305 * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
306 doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
307 doc/tm.texi: Use two spaces after ends of sentences.
309 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
311 * toplev.c (display_help): Fix param thinko.
312 * Makefile.in: Fix params.h dependencies.
314 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
316 * toplev.c (decode_f_option): Adjust setting.
317 (toplev_main): Call diagnostic_initialize. Remove call to
318 reshape_diagnostic_buffer._
320 * diagnostic.h (struct output_buffer): Add new field format_decoder.
321 (diagnostic_format_decoder): New macro.
322 (diagnostic_prefixing_rule): Likewise.
323 (diagnostic_line_cutoff): Likewise.
324 (set_message_prefixing_rule): Remove.
326 * diagnostic.c (lang_printer): Remove.
327 (diagnostic_message_length_per_line): Likewise.
328 (current_prefixing_rule): Likewise.
329 (initialize_diagnostics): Rename to...
330 (diagnostic_initialize): ...this. Tweak.
331 (default_initialize_buffer): Remove.
332 (reshape_diagnostic_buffer): Likewise.
333 (init_output_buffer): Adjust prefixing rule setting.
334 (output_format): Use format_decoder from the output_buffer.
336 * c-lang.c (c_init): Adjust tree formatter setting.
338 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
340 * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
342 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
344 * Makefile.in (TARGET_H, TARGET_DEF_H): New.
345 (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update.
346 * c-decl.c (duplicate_decls): Use function pointer.
347 * c-typeck.c (common_type): Similarly.
348 * tree.c (valid_machine_attribute): Similarly.
349 (merge_machine_type_attributes): Rename merge_type_attributes.
350 (merge_machine_decl_attributes): Rename merge_decl_attributes.
351 (merge_dllimport_decl_attributes): New function.
352 * tree.h (merge_machine_type_attributes): Rename merge_type_attributes.
353 (merge_machine_decl_attributes): Rename merge_decl_attributes.
354 (merge_dllimport_decl_attributes): New prototype.
359 * doc/gcc.texi, doc/tm.texi: Update documentation.
361 cp: Make-lang.in: Update dependencies.
362 * spew.c: Include target.h.
363 (duplicate_decls): Call target function.
364 * decl2.c: include target.h
365 (import_export_class): Use existence of target function pointer.
366 * typeck.c: Include target.h.
367 (qualify_type_recursive): Rename variable. Call target function.
368 (type_after_usual_arithmetic_conversions): Similarly.
369 (common_type): Similarly.
371 config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
372 avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c,
373 d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c,
374 i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c,
375 m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c,
376 mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c,
377 pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c,
378 sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c)
379 : Include target.h and target-def.h. Define target.
381 * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove.
382 * arc/arc.c (arc_valid_machine_decl_attribute): Rename
383 arc_valid_decl_attribute, make static.
384 * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
385 * arm/arm-protos.h (arm_valid_machine_decl_attribute,
386 arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute,
387 arm_pe_merge_machine_decl_attributes): Remove.
388 * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename
389 arm_valid_decl_attribute_p, make static.
390 (arm_pe_valid_decl_attribute_p): Move from pe.c.
391 * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c.
392 (arm_pe_merge_machine_decl_attributes): Move to tree.c.
393 * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
394 * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
395 * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
396 * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New.
397 (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove.
398 * avr/avr-protos.h (valid_machine_type_attribute,
399 valid_machine_decl_attribute): Remove.
400 * avr/avr.c (valid_machine_type_attribute,
401 valid_machine_decl_attribute): Rename and make static.
402 * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE,
403 VALID_MACHINE_DECL_ATTRIBUTE): Remove.
404 * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove.
405 * c4x/c4x.c (c4x_valid_type_attribute_p): Make static.
406 * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
407 * d30v/d30v.h: Remove obsolete comments.
408 * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove.
409 * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make
411 * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
412 * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
413 (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES,
414 i386_pe_valid_type_attributes_p): Remove.
415 * i386/i386-protos.h (ix86_valid_decl_attribute_p,
416 ix86_valid_type_attribute_p): Remove.
417 * i386/i386.c (ix86_valid_decl_attribute_p): Remove.
418 (ix86_valid_type_attribute_p): Make static.
419 * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE,
420 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
421 * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c.
422 * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove.
423 * ia64/ia64.c (ia64_valid_type_attribute): Make static.
424 * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
425 * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove.
426 * m32r/m32r.c (m32r_valid_decl_attribute): Make static.
427 * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
428 * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p,
429 m68hc11_valid_type_attribute_p): Remove.
430 * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove.
431 (m68hc11_valid_type_attribute_p): Make static.
432 * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE,
433 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
434 * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute,
435 mcore_merge_machine_decl_attribute): Remove.
436 * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename,
438 (mcore_merge_machine_decl_attributes): Move to tree.c.
439 * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE,
440 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
441 (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
442 * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p,
443 ns32k_valid_type_attribute_p): Remove.
444 * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove.
445 (ns32k_valid_type_attribute_p): Make static.
446 * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE,
447 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
448 * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p,
449 rs6000_valid_type_attribute_p): Remove.
450 * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove.
451 (rs6000_valid_type_attribute_p): Make static.
452 * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE,
453 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
454 * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove.
455 * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static.
456 * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
457 * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove.
458 * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static.
459 * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
461 2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
463 * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold
466 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
468 * diagnostic.h (struct diagnostic_context): Add new field.
469 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
471 (global_dc): Declare.
472 * diagnostic.c (global_diagnostic_context): New variable.
473 (global_output_buffer): Remove.
475 (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
477 (initialize_diagnostics): Adjust initialization.
478 (set_diagnostic_context): Adjust setting.
480 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
482 * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
483 UNALIGNED_SHORT_ASM_OP): Define.
484 * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
485 UNALIGNED_SHORT_ASM_OP): Undef.
487 Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
489 * i386.md (float_truncate splitter, and to mov splitters): Add
490 reload_completed; fix operand predicate.
492 * haifa-sched.c (sched_init): Do not split insns.
493 * toplev.c (rest_of_compilation): Call split_all_insns before
494 sched1 pass; simplify condition of post-reload splitter;
495 call split_all_insn before sched2 pass.
497 2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
499 * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
500 (set_message_prefixing_rule): Adjust prototype.
501 * diagnostic.c (current_prefixing_rule): Adjust type.
503 2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
505 * defaults.h: Default escape sequences to ASCII.
506 * config/i370/i370.h: Adjust for ASCII default.
507 * config/1750a/1750a.h: Remove escape sequence definitions.
508 * config/a29k/a29k.h: Similarly.
509 * config/alpha/alpha.h: Similarly.
510 * config/arc/arc.h: Similarly.
511 * config/arm/arm.h: Similarly.
512 * config/avr/avr.h: Similarly.
513 * config/c4x/c4x.h: Similarly.
514 * config/clipper/clipper.h: Similarly.
515 * config/convex/convex.h: Similarly.
516 * config/d30v/d30v.h: Similarly.
517 * config/dsp16xx/dsp16xx.h: Similarly.
518 * config/elxsi/elxsi.h: Similarly.
519 * config/fr30/fr30.h: Similarly.
520 * config/h8300/h8300.h: Similarly.
521 * config/i386/i386.h: Similarly.
522 * config/i860/i860.h: Similarly.
523 * config/i960/i960.h: Similarly.
524 * config/ia64/ia64.h: Similarly.
525 * config/m32r/m32r.h: Similarly.
526 * config/m68hc11/m68hc11.h: Similarly.
527 * config/m68k/m68k.h: Similarly.
528 * config/m88k/m88k.h: Similarly.
529 * config/mcore/mcore.h: Similarly.
530 * config/mips/mips.h: Similarly.
531 * config/mn10200/mn10200.h: Similarly.
532 * config/mn10300/mn10300.h: Similarly.
533 * config/ns32k/ns32k.h: Similarly.
534 * config/pa/pa.h: Similarly.
535 * config/pdp11/pdp11.h: Similarly.
536 * config/pj/pj.h: Similarly.
537 * config/romp/romp.h: Similarly.
538 * config/rs6000/rs6000.h: Similarly.
539 * config/sh/sh.h: Similarly.
540 * config/sparc/sparc.h: Similarly.
541 * config/v850/v850.h: Similarly.
542 * config/vax/vax.h: Similarly.
543 * config/we32k/we32k.h: Similarly.
544 * doc/tm.texi: Update documentation.
546 2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
548 * diagnostic.c (digit_buffer): Remove as global. Move to...
549 * diagnostic.h (struct output_buffer): ... here.
550 * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
552 2001-06-25 Steve Ellcey <sje@cup.hp.com>
554 * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
555 Define tmake_file to include ia64/t-hpux.
556 * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
557 testing to see if it is defined.
558 * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
560 * config/ia64/hpux_longdouble.h: New.
561 * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
562 handling of long doubles.
563 (ia64_function_arg, ia64_function_value): Add checks for TFmode
564 and INTEL_EXTENDED_IEEE_FORMAT.
565 * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
566 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
567 TFmode and INTEL_EXTENDED_IEEE_FORMAT.
568 * config/ia64/ia64.md (all TFmode patterns): Test
569 INTEL_EXTENDED_IEEE_FORMAT in condition.
570 (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
571 * config/ia64/quadlib.c: New.
572 * config/ia64/t-hpux: New.
573 * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
575 2001-06-25 Jim Wilson <wilson@redhat.com>
577 * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
578 * config/i960/t-vxworks960: Likewise.
580 2001-06-25 Dale Johannesen <dalej@apple.com>
582 * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
585 Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
587 * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
589 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
591 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
592 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
593 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
594 the use of "GCC" and related terms.
595 * doc/gcc.1, doc/gcov.1: Regenerate.
597 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
599 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
600 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
603 Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
605 * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
607 2001-06-24 Richard Henderson <rth@redhat.com>
609 * builtins.c (expand_builtin_expect_jump): Disable if the
610 expression can't be re-evaluated.
612 2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
614 * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
615 handlers examine register r0-r7, for other interrupt handlers
616 examine r0-r12. If the interrupt handler is not a leaf function
617 save all call clobbered registers.
618 (arm_output_epilogue): If the prologue has pushed the IP register,
620 (Arm_expand_prologue): For interrupt functions that need the frame
621 pointer, push the IP register before it is corrupted.
623 * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
624 about the use of signed and unsigned quantities in a conditional.
626 2001-06-23 Richard Henderson <rth@redhat.com>
628 * config/alpha/crtfastmath.c: New file.
629 * config/alpha/t-crtfm: New file.
630 * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
631 * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
632 * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
633 * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
634 do not set extra_parts here.
636 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
638 * doc/install-old.texi: Remove more documentation of configure
640 * doc/install.texi: Add it here.
642 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
644 * i386-protos.h (emit_i387_cw_initialization): Declare.
645 * i386.md (movsi_insv_1): Remove '*'.
646 (fix_trunc?f?i2): Revamp to use control word parameters.
647 (fix_trunc?i_1): Likewise; update splitters.
648 (fix splitter): Remove.
649 * i386.c (MAX_386_STACK_LOCALS): set to 3.
650 (emit_i387_cw_initialization): New function.
651 (output_fix_trunc): Do not initialize control word;
652 kill dead code; simplify.
654 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
656 * cppmacro.c (make_string_token): Avoid warning.
657 (cpp_macro_definition): Prepend the macro name. Update
659 * cppmain.c (cb_define, dump_macro): Update for changes
660 to cpp_macro_definition.
662 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
664 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
666 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
668 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
669 try_pre_increment_1): compute REG_FREQ using bb->frequency.
671 * regclass.c (loop_cost): Kill.
672 (frequency): New global variable.
673 (record_operand_costs): Replace loop_cost by frequency.
674 (scan_one_insn): Likewise.
675 (regclass): Likewise; set frequency according to bb->frequency.
677 * flow.c (split_edge): Set frequency.
679 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
681 * predict.c (block_info_def): Add nvisited.
682 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
685 * flow.c (dump_edge_info): Dump the probability of edge.
686 (combine_predictions_for_insn): Dump the basic block.
688 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
690 * doc/gcc.texi: Update documentation of source files of C
693 2001-06-22 Richard Henderson <rth@redhat.com>
695 * doc/invoke.texi (-funsafe-math-optimizations): Document its
696 possible effects at link time.
698 2001-06-22 Diego Novillo <dnovillo@redhat.com>
700 * basic-block.h (dump_edge_info): Declare.
701 (clear_edges): Declare.
702 (mark_critical_edges): Declare.
703 * flow.c (dump_edge_info): Remove static declaration.
704 (clear_edges): Ditto.
705 (mark_critical_edges): Ditto.
706 (free_basic_block_vars): Only clear edges and free basic block
707 array if basic_block_info is not NULL.
708 * ssa.c (compute_dominance_frontiers): Remove static declaration.
709 * ssa.h (compute_dominance_frontiers): Declare.
711 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
713 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
714 instead of const1_rtx for true case.
716 2001-06-22 David Mosberger <davidm@hpl.hp.com>
718 * config/ia64/crtfastmath.c: New file.
719 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
720 * config/ia64/linux.h (ENDFILE_SPEC): New.
722 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
724 * config/h8300/h8300.c (asm_file_start): Remove reference to
727 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
729 * c-common.c (verify_tree): Check for x being NULL.
730 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
734 2001-06-22 DJ Delorie <dj@redhat.com>
736 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
737 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
738 (arm_return_addr): Use get_hard_reg_initial_val et al.
739 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
740 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
741 (d30v_return_addr): Use get_hard_reg_initial_val et al.
742 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
743 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
745 (rs6000_mark_machine_status): Remove.
746 (rs6000_return_addr): Use get_hard_reg_initial_val.
747 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
748 * config/v850/v850.h (INIT_EXPANDERS): Delete.
749 * config/v850/v850.c (struct machine_function): Delete.
750 (v850_init_machine_status): Delete.
751 (v850_mark_machine_status): Delete.
752 (v850_free_machine_status): Delete.
753 (v850_return_addr): Use get_hard_reg_initial_val.
754 (v850_init_expanders): Delete.
756 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
758 * predict.c (estimate_bb_frequencies): Do not handle conditional
759 jumps jumping to fallthru basic block as conditional jumps.
761 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
763 * regs.h (struct reg_info_def): Add freq field.
764 (REG_N_REFS): Update comment.
766 * regclass.c (scan_one_insn): Update REG_FREQ.
767 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
768 (attempt_auto_inc): Likewise.
769 (mark_used_reg): Likewise.
770 (try_pre_increment_1): Likewise.
771 * local-alloc.c (struct qty): Add freq field.
772 (alloc_qty): Set freq.
773 (update_equiv_regs): Set REG_FREQ.
774 (QTY_CMP_PRI): Use freq.
775 (combine_regs): Update qty->freq.
776 * global.c (struct allocno): Update comment for n_refs;
778 (local_reg_freq): New array.
779 (global_alloc): Update freq field;
780 allocate and initialize local_reg_freq.
781 (allocno_compare): Use freq field.
782 (find_reg): Likewise.
783 * reload1.c (count_pseudo): Use freq isntead of n_refs.
784 (count_spilled_pseudo): Likewise.
786 * tm.texi (GCOV_TYPE_SIZE): Document.
787 * basic-block.h (gcov_type): Define.
788 (struct edge_def): Use gcov_type for count field.
789 (struct basic_block_def): Likewise.
790 * defaults.h (GCOV_TYPE_SIZE): Define.
791 * final.c (end_final): Use GCOV_TYPE_SIZE.
792 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
793 using HOST_WIDEST_INT_PRINT_DEC.
794 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
795 __write_gcov_type): New.
796 (store_long): Remove.
797 * gcov.c (gcov_type): Set default.
798 (struct adj_list): Use gcov_type for arc_count.
799 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
800 (create_program_flow_graph): Read arc_count properly.
801 (solve_program_flow_graph): 'total' is gcov_type.
802 (output_data): Line_counts is gcov_type, print it properly.
803 * libgcc2.c (struct bb): Counts is gcov_type.
804 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
805 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
806 (GCOV_TYPE_SIZE): Define.
807 (struct bb_info): succ_count and pred_count is gcov_type.
808 (compute_branch_probabilities): Use __read_gcov_type,
809 print read edges to the dump file.
810 (total): Is gcov_type.
811 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
813 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
815 * optabs.c (emit_libcall_block): When using non-call exceptions,
816 don't mark libcalls never throwing.
818 2001-06-21 Stan Shebs <shebs@apple.com>
820 * objc/objc-act.c (hash_init): Use xcalloc.
822 2001-06-21 Richard Henderson <rth@redhat.com>
824 * flow.c (entry_exit_blocks): Initialize frequency.
825 (split_block): Copy it.
826 (dump_flow_info): Dump it.
828 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
830 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
831 from machine-depedent_reorg for purposes of alignment supression
832 when no delay slot insn has been added.
834 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
836 * cppmacro.c (make_string_token): Null terminate.
838 2001-06-21 DJ Delorie <dj@redhat.com>
840 * config/alpha/alpha.h (struct machine_function): Remove.
841 * config/alpha/alpha.c (integrate.h): Include.
842 (override_options): Don't set up machine_status hooks.
843 (alpha_init_machine_status): Remove.
844 (alpha_mark_machine_status): Remove.
845 (alpha_free_machine_status): Remove.
846 (alpha_return_addr): Use get_hard_reg_initial_val.
847 (alpha_gp_save_rtx): Likewise.
848 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
850 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
852 * config/sh/sh.md (interrupt_function): Use
853 current_function_interrupt.
854 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
855 an interrupt function.
857 * config/sh/sh.h (current_function_interrupt): Define extern.
859 * config/sh/sh.c (current_function_interrupt): New global.
860 (sh_expand_prologue): Set current_function_interrupt.
862 2001-06-21 Phil Edwards <pme@sources.redhat.com>
864 * doc/install.texi: Add 'c' to list of --enable-languages choices.
866 2001-06-21 DJ Delorie <dj@redhat.com>
868 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
870 * integrate.c (ggc.h): Include.
871 (initial_value_pair, initial_value_struct,
872 setup_initial_hard_reg_value_integration): Add prototypes.
873 (expand_inline_function): Call
874 setup_initial_hard_reg_value_integration.
875 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
876 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
877 to keep track of values present at the start of a function.
878 (mark_hard_reg_initial_vals): New, for gc.
879 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
880 mappings for initial values.
881 (emit_initial_value_sets): New. Emits code to set initial value
883 * integrate.h: Add prototypes for new functions.
884 * function.h (struct function): Add hard_reg_initial_vals field.
885 * function.c (integrate.h): Include.
886 (mark_function_status): Call
887 mark_hard_reg_initial_vals.
888 * toplev.c (integrate.h): Include.
889 (rest_of_compilation): Call emit_initial_value_sets.
891 2001-06-21 Stan Shebs <shebs@apple.com>
893 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
894 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
895 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
896 everywhere instead of "Objective C".
898 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
900 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
901 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
902 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
903 "back end" as nouns and "front-end" and "back-end" as adjectives.
905 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
907 * predict.c (estimate_probability): Fix loop bounds.
909 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
911 * toplev.c (rest_of_compilation): Run mark_constant_function
914 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
916 * predict.c (estimate_loops_at_level, propagate_freq
917 estimate_bb_frequencies, count_to_freqs): New functions.
918 (estimate_probability): Call estimate_bb_frequencies.
919 * basic-block.h (basic_block_def): Add field "freq".
920 (BB_FREQ_MAX): New constant.
922 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
924 * sh.c (barrier_align): Don't ask for alignment when seeing a
925 branch-around-a-jump from machine_dependent_reorg.
927 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
929 * ssa.c (rename_block): Update parameter to remove_phi_alternative
930 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
931 re-running life analysis.
933 2001-06-20 Stan Shebs <shebs@apple.com>
935 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
936 also use memset to clear the hash tables.
937 (hash_enter): Assume xmalloc always succeeds.
938 (hash_add_attr): Ditto.
939 (continue_class): Ditto.
941 2001-06-20 Michael Meissner <meissner@redhat.com>
943 * builtins.c (predict.h): Include.
944 (expand_builtin_expect): Update comment.
945 (expand_builtin_expect_jump): New function to expand
946 __builtin_expect inside of a conditional jump expansion.
948 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
949 __builtin_expect (<test>, 1).
951 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
953 * rtl.h (expand_builtin_expect_jump): Add prototype.
955 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
957 * doc/rtl.texi (Machine Modes): Correct description of
958 floating-point modes on machines with non-8-bit bytes.
960 2001-06-19 Bernd Schmidt <bernds@redhat.com>
962 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
963 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
966 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
968 * ssa.c (remove_phi_alternative): Remove declaration. No longer
969 static. Second argument is a pointer to a basic block structure,
970 not a basic block index.
971 (convert_to_ssa): Do not remove dead code.
972 (convert_from_ssa): Do not remove dead code to create death notes.
973 * ssa.h (remove_phi_alternative): Declare.
975 * flow.c (delete_unreachable_blocks): Fix patch error in
976 previous change (call to find_unreachable_blocks was lost).
978 * ssa.c (ssa_uses): Remove definition.
979 (apply_delayed_renames): Don't grow ssa_uses.
980 (rename_block): Remove comment related to ssa_uses.
981 (rename_registers): Do not initialize ssa_uses.
982 (convert_from_ssa): Do not free ssa_uses.
984 * ssa-dce.c: Renamed from dce.c.
985 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
986 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
989 2001-06-19 Eric Christopher <echristo@redhat.com>
991 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
992 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
993 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
995 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
997 * sh.c (output_branch): Delete bogus code.
999 * sh.c (initial_elimination_offset):
1000 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
1002 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
1004 * flow.c (find_unreachable_blocks): New function.
1005 (delete_unreachable_blocks): Use find_unreachable_blocks.
1006 * basic-block.h (find_unreachable_blocks): Declare.
1008 * dce.c (eliminate_dead_code): Fix formatting glitch.
1010 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
1012 * c-common.h (RETURN_NULLIFIED_P): New macro.
1013 * c-semantics.c (genrtl_return_stmt): Check it.
1015 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
1016 (emit_block_move): Likewise.
1018 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
1020 * unroll.c: Include predict.h.
1021 (unroll_loop): Drop prediction notes on preconditioning.
1022 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
1023 New; add comments on the others.
1024 * Makefile.in: (unroll.o): Add dependancy on predict.h.
1025 * loop.c (strength_reduce): Fix branch prediction.
1027 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1029 * stmt.c (emit_case_nodes): Optimize test whether index is in given
1032 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1034 * predict.c (estimate_probability): Do not bail out early
1035 when note is present.
1036 (combine_predictions_for_insn): Fix note removal code.
1038 2001-06-18 Ben Elliston <bje@redhat.com>
1040 * except.c (resolve_fixup_regions): Initialise "cleanup".
1042 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
1044 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
1046 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1048 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
1049 use put_var_into_stack.
1051 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1053 * gccspec.c (lang_specific_driver): If compiling ObjC, add
1054 -shared-libgcc when necessary.
1055 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
1057 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
1059 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
1060 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
1061 bitmap_last_set_bit. All for compatibility with sbitmap's.
1063 *bitmap.c (bitmap_zero): New function.
1064 (bitmap_union_of_diffs): New function.
1065 (bitmap_first_set_bit): New function.
1066 (bitmap_last_set_bit): New function.
1068 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1070 * cpp.texi, invoke.texi: Update.
1071 * cpp.1, gcc.1: Regenerate.
1073 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
1075 * i386.md (minsf): Fix splitter. (PR fortran/3191)
1077 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
1079 * doc/cpp.texi: Update.
1080 * doc/cpp.1: Regenerate.
1082 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1084 * doc/install.texi: Use correct markup hints.
1086 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1088 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
1090 * explow.c (expr_size): If DECL and size specified, use it.
1092 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1094 * doc/cpp.texi: Formatting corrections.
1095 Correct buggy example of use of __GNUC__ etc.
1096 Clarify $ in identifiers.
1097 * doc/cpp.1: Regenerate.
1099 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
1101 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
1103 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1105 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
1107 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
1108 Added Tru64 UNIX V5.1 bootstrap hints.
1109 (Specific, alpha*-*-osf*): Removed old section, obsolete.
1111 2001-06-15 Andreas Jaeger <aj@suse.de>
1113 * doc/install.texi (Specific): Mention that glibc cannot be
1114 compiled with GCC 3.0.
1116 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
1118 * combine.c (nonzero_bits): Don't optimize away division by
1121 2001-06-15 Zack Weinberg <zackw@stanford.edu>
1123 * doc/cpp.texi: Revised and brought up to date.
1124 * doc/cpp.1: Regenerate.
1126 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
1128 * doc/install.texi: Update --enable-threads to match reality.
1130 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1132 * doc/install.texi: Update for C4x.
1133 * README.C4X: Remove.
1135 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1137 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1138 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1139 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
1140 Consistently use "built-in" and "bit-field". Minor logical markup
1142 * doc/gcc.1: Regenerate.
1144 2001-06-14 Richard Henderson <rth@redhat.com>
1146 * config/mips/mips.md (exception_receiver): New.
1148 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
1150 * doc/gcc.texi: Update passes documentation to be more in tune
1153 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1155 * i386.c (ix86_expand_prologue): Fix merging conflict.
1157 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1159 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1160 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
1161 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
1162 logical markup. Use TeX quotes and dashes. Use @dots{} and
1163 @minus{}. Avoid spaces inside @var. Update last modification
1165 * doc/gcc.1, doc/gcov.1: Regenerate.
1167 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1169 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
1170 x86_epilogue_using_move): New global variables.
1171 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
1172 (ix86_emit_save_regs_using_mov): New static function.
1173 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
1174 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
1175 MASK_MIX_SSE_I387): Renumber.
1176 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
1177 (x86_accumulate_outgoing_args, x86_prologue_using_move,
1178 x86_epilogue_using_move): Declare.
1179 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
1181 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
1183 * inclhack.def (hpux10_cpp_pow_inline): New hack.
1185 2001-06-13 Richard Henderson <rth@redhat.com>
1187 * ifcvt.c (dead_or_predicable): Fix return value last patch.
1189 2001-06-13 Mark Mitchell <mark@codesourcery.com>
1193 2001-06-13 Richard Henderson <rth@redhat.com>
1195 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
1196 (cond_exec_process_if_block, dead_or_predicable): Likewise.
1198 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1200 * mips-tfile.c (copy_object): Always pass indexNil for symbol
1203 2001-06-13 Kazu Hirata <kazu@hxi.com>
1205 * config/h8300/h8300.h (OK_FOR_T): Remove.
1206 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
1207 * config/h8300/h8300.md: Remove alternatives involving inc and dec
1208 in the helper patterns for addhi3 and addsi3.
1210 2001-06-13 Phil Edwards <pme@sources.redhat.com>
1212 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
1214 2001-06-13 Zack Weinberg <zackw@stanford.edu>
1216 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
1217 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
1219 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
1220 config/alpha/t-osf4, config/mips/t-iris6: Extract all
1221 references to @shlib_map_file@, @shlib_objs@, or
1222 @shlib_base_name@ to Makefile variables.
1223 Bump soname version of libgcc to 1.
1225 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1227 * doc/install.texi: Use more logical markup. Include @node
1228 commands in the source when generating any non-HTML.
1230 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1232 * README: Remove. Some of the contents moved to ../README.
1234 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1236 * doc/install.texi (--enable-shared): List package names
1239 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1241 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
1242 (*-*-solaris*): Document problem in /bin/sh that affects
1243 configuring libraries.
1244 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
1245 (*-sun-solaris2.8): Document linker problem that explains why
1246 libjava is disabled by default.
1248 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1251 * toplev.c (rest_of_compilation): Remove dead code before
1254 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1257 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1258 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1259 * configure: Rebuilt.
1261 2001-06-12 Jim Wilson <wilson@redhat.com>
1263 * loop.c (strength_reduce): Move bl->all_reduced set before
1264 check_ext_dependant_givs call.
1265 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
1267 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1269 * doc/extend.texi (Function Attributes): Document SH's sp_switch
1272 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1274 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
1277 2001-06-12 Richard Henderson <rth@redhat.com>
1279 * config/i386/i386.c (ix86_expand_prologue): Always use
1280 gen_pro_epilogue_adjust_stack; update arguments.
1281 (ix86_expand_epilogue): Likewise.
1282 (ix86_emit_epilogue_esp_adjustment): Remove.
1283 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
1284 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
1285 clobber of scratch memory instead of a modification of EBP as the
1286 barrier. Update all peepholes to match.
1288 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1290 * doc/gcc.texi: Change the font used for @def... commands to a
1292 * doc/extend.texi: Use more logical markup. Use "built-in"
1293 instead of "builtin". Use @deftypefn to mark up built-in
1294 functions; specify their types in the @deftypefn and not in the
1295 descriptive text. Use TeX quotes and dashes. Add more index
1298 2001-06-12 lars brinkhoff <lars@nocrew.org>
1300 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
1301 (DIR_SEPARATOR_2): Likewise.
1303 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1305 * doc/install.texi (--exec-prefix, --bindir, --libdir,
1306 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
1308 (--enable-cpp): Change to document --disable-cpp instead; update
1309 to reflect current default.
1310 (--without-fast-fixincludes): Remove documentation.
1311 (Final install): Document installation directories in more
1312 detail. Document use of make dvi.
1314 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1316 * recog.c (validate_replace_rtx_1): Fix previous patch.
1318 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1320 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
1322 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1324 * simplify-rtx.c (simplify_subreg): Allow volatile memory
1325 to be subregged in case we don't have move instruction.
1327 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1329 * loop.c: Include predict.h
1330 (strength_reduce): Drop branch prediction note in case
1331 number of iterations is known.
1332 * predict.def (PRED_LOOP_ITERATIONS): new.
1333 * Makefile.in (loop.o): Add dependancy on predict.h
1335 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
1339 * c-typeck.c (c_start_case): Likewise.
1341 2001-06-12 Mark Mitchell <mark@codesourcery.com>
1343 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
1344 in a structure at a variable address.
1346 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1348 * doc/gcov.texi: Use more logical markup.
1350 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1352 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
1353 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
1354 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
1357 2001-06-11 Stan Shebs <shebs@apple.com>
1359 * config/darwin.h (ASM_FILE_END): Remove decl of language_string.
1361 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1363 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
1364 as an early clobber to make sure it is not used by reload in
1365 one of the operands.
1367 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1369 * doc/c-tree.texi: Update information about flag_honor_std.
1370 * doc/install.texi: Note that binutils is required on HPUX 11.
1371 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
1374 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
1375 variable-sized types.
1377 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1379 * doc/md.texi: Use TeX dashes and quotes.
1381 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1383 * doc/rtl.texi: Reference manual chapter about trees.
1385 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1387 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
1388 (WINT_TYPE): Override.
1389 (WINT_TYPE_SIZE): Likewise.
1390 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
1392 * config/sparc/sol2.h (WINT_TYPE): Define.
1393 (WINT_TYPE_SIZE): Likewise.
1395 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
1396 (WINT_TYPE): Override.
1397 (WINT_TYPE_SIZE): Likewise.
1398 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
1399 (CPP_ARCH64_SPEC): Likewise.
1401 2001-06-11 Richard Henderson <rth@redhat.com>
1403 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
1404 with alias attribute.
1406 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
1407 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
1409 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1411 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
1413 2001-06-11 Stan Shebs <shebs@apple.com>
1415 * config/darwin.c (darwin_encode_section_info): Rewrite to simplify
1416 and fix coding mistakes.
1418 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
1420 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
1421 return string from m32r_output_block_move.
1422 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
1424 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
1426 (ROUND_ADVANCE): Remove signed/unsigned conflict.
1427 * config/m32r/m32r.c: Declare prototypes for static functions.
1428 (move_src_operand): Replace INT32_P with UINT32_P.
1429 (function_arg_partial_nregs): Fixed signed/unsigned conflict
1430 in initialisation of 'size'.
1431 (m32r_sched_reord): Remove redundant declarations of 'code'.
1432 (m32r_output_block_move): Change to a void function.
1433 (m32r_encode_section_info): Cast return of
1434 TREE_STRING_POINTER to avoid compile time warning.
1436 2001-06-11 Richard Henderson <rth@redhat.com>
1438 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
1439 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
1440 (struct machine_function): Add gp_save_rtx.
1441 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
1442 (alpha_gp_save_rtx): New.
1443 * config/alpha/alpha-protos.h: Declare it.
1444 * config/alpha/alpha.md (exception_receiver): Make an expander.
1445 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
1447 2001-06-11 Richard Henderson <rth@redhat.com>
1449 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
1451 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1453 * configure.in: Align --help messages.
1454 Remove trailing full stops.
1455 Consistently use lower case.
1456 Fix DWARF 2 spelling.
1457 * configure: Rebuilt.
1459 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1461 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
1462 variants for .cpp/.cp/.c++ files.
1463 Move definition of __LANGUAGE_C_PLUS_PLUS ...
1464 (CPLUSPLUS_CPP_SPEC): ... here.
1466 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1468 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
1470 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1472 * c-decl.c (store_parm_decls): When comparing types in an
1473 old-style function declaration with those from a previous
1474 prototype, compare the unqualified versions of parameter types.
1477 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1479 * doc/objc.texi: Use more logical markup. Use TeX dashes.
1481 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1483 * doc/c-tree.texi: Use more logical markup.
1485 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1487 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
1489 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
1491 * loop.c (scan_loop): Do not combine asm statements.
1493 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1495 * simplify-rtx.c (simplify_subreg): Fix offset calculation
1496 for complex values within a CONCAT.
1498 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1500 * doc/install.texi: Update details of what components are included
1501 in the GCC distribution. Update default directory for g++
1502 includes. Update documentation relating to old libio. Adjust
1503 documentation on DejaGnu environment variables. Remove
1504 documentation of --enable-cpplib.
1506 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1508 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1511 2001-06-10 Richard Henderson <rth@redhat.com>
1513 * ifcvt.c (life_data_ok): New.
1514 (merge_if_block): Use it to determine whether to update
1516 (if_convert): Set it.
1518 2001-06-10 Richard Henderson <rth@redhat.com>
1520 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1522 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1524 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1525 (SH Options): Document -mieee.
1526 * doc/install.texi (Final install): Remove obsolete information
1527 about installing cross compilers.
1528 * doc/gcc.1: Rebuilt.
1530 2001-06-10 Richard Henderson <rth@redhat.com>
1532 * config/alpha/alpha.c (override_options): Set align_loops,
1533 align_jumps, and align_functions.
1534 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1535 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1537 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1539 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
1540 are one and two words in size.
1542 2001-06-10 Richard Henderson <rth@redhat.com>
1544 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1545 (Code Generation Options): Document -fnon-call-exceptions.
1547 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1549 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1551 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1553 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1555 2001-06-10 Mark Mitchell <mark@codesourcery.com>
1556 Gabriel Dos Reis <gdr@codesourcery.com>
1558 * Makefile.in (c-parse.o): Depend on diagnostic.h
1559 (dwarf2out.o): Likewise.
1561 * dwarf2out.c: #include diagnostic.h
1563 * toplev.h (warningcount, errorcount, sorrycount): Remove
1566 * toplev.c (warningcount, errorcount, sorrycount): Remove
1569 * diagnostic.h (struct output_buffer): Reorder fields.
1570 (diagnostic_kind_count): New macro.
1571 (errorcount, warningcount, sorrycount): Define as macros.
1572 (diagnostic_report_warnings_p): New macro.
1573 (output_state): Add diagnostic_count field.
1575 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
1576 Remove tentative declaration.
1577 (count_error): Use diagnostic_report_warnings_p.
1579 * c-parse.in: #include diagnostic.h
1581 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1583 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1584 prefer a memory for operand 1.
1585 ("*addsi3"): Fix constraints, the '!' was too strong.
1586 ("*addsi3_split"): Accept soft register and split accordingly.
1588 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1590 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1591 Move definition in the RTX_CODE section.
1593 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1595 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1596 address as relative to the argument pointer.
1598 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1600 * predict.def (PRED_OPCODE): Place before call and error_return.
1602 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1604 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
1605 * predict.c (estimate_probability): Calculate dominance
1606 information; improve detection of NORETURN heuristics;
1607 add call/error_return heuiristics; tweak comparison heuristics
1610 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1612 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1613 (Debugging Options): Document -print-multi-directory and
1615 * doc/gcc.1: Rebuilt.
1617 * toplev.c (independent_decode_option): Require `=' between
1618 `-aux-info' and filename in the same argument.
1619 * gcc.c: Don't pass -aux-info=filename twice.
1621 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1623 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1624 an array element with the known initializing value if it has
1627 * toplev.c (rest_of_compilation): Remove dead code before
1630 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
1632 * cppinit.c (print_help): Document -fpreprocessed.
1633 * invoke.texi: Similarly.
1635 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1637 * predict.def: New file.
1638 * predict.h: New file.
1639 * predict.c: Include predict.h.
1640 (predictor_info): New structure and array.
1641 (predict_edge, predict_insn): Rewrite; make global.
1642 (predict_edge_def, predict_insn_def): New global functions.
1643 (dump_prediction, combine_predictions_for_insns): New
1645 (estimate_probability): Change calls to predict_edge
1646 to predict_edge_def and calls to predict_insn to predict_insn_def;
1647 combine probabilities.
1648 (expected_value_to_br_prob): Behave as predictor.
1649 * rtl.h (REG_BR_PRED): Update coment.
1650 (invert_br_probabilities): New.
1651 * jump.c: Include predict.h
1652 (duplicate_loop_exit_test): Drop branch prediction notes.
1653 (invert_jump): Use invert_br_probabilities.
1654 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1655 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1656 * combine.c (distribute_notes): Handle BR_PRED.
1658 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1660 * predict.c (predict_insn, predict_edge): New static functions.
1661 (estimate_probability): Revamp to use new functions;
1662 fix loop header heruistics; add loop exist heruistics
1664 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1666 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1668 2001-06-09 Peter Jakubek <pjak@snafu.de>
1670 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1672 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1674 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1675 for integer operations that don't update C bit.
1677 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1679 * gthr-posix.h (__gthread_objc_init_thread_system): If
1680 pthread_key_create fails, it's not clear what the return value is.
1681 This obvious fix makes sure it always returns -1 if a problem
1684 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1686 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1687 more index entries. Use more logical markup where appropriate.
1688 Use TeX quotes and dashes.
1690 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1692 * unwind-pe.h: Conditionally qualify references to abort with
1695 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1697 * doc/invoke.texi: Remove superfluous text.
1699 2001-06-08 Richard Henderson <rth@redhat.com>
1701 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1702 (LIB_SPEC): Mirror config/linux.h version.
1704 2001-06-08 Richard Henderson <rth@redhat.com>
1706 * except.c (get_exception_pointer, get_exception_filter): Take a
1707 struct function. Update all callers.
1708 * except.h (get_exception_pointer): Update declaration.
1709 * expr.c (expand_expr): Update get_exception_pointer call.
1710 * integrate.c (expand_inline_function): Remap the exception pointer
1711 from callee to caller.
1713 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1715 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1716 accurately reflect its cv-qualification.
1717 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1718 cv-qualifiers on function types.
1720 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1722 * basic-block.h: Improve comments.
1723 * except.c (expand_eh_region_end_allowed): Remove redundant call
1724 to do_pending_stack_adjust.
1725 * flow.c (life_analysis): Fix typo in comment.
1726 (calculate_global_regs_live): Add documentation.
1727 (mark_set_1): Likewise.
1728 (debug_regset): Likewise.
1729 * doc/rtl.texi (cond_exec): Document it.
1731 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1733 * i386.h (CONST_COSTS): set cost of constants representable in
1734 immediate fields to 0.
1736 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1738 * function.c (diddle_return_value): Kill code to determine
1739 return value before expand_function_end.
1740 (expand_function_end): Delay call to clobber_return_register
1741 after fucntion return value is computed.
1743 Re-install temporary reverted patch:
1744 * toplev.c (rest_of_compilation): Call split_all_insns
1745 before reg-stack and shorten-branches. Do shorten-branches
1747 * final.c (shorten_branches): Remove insn splitting code.
1749 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1751 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1752 options. Use @opindex to index them rather than other indexing
1753 commands. Use @var{...} instead of <...>. Avoid spaces in names
1754 inside @var. Don't use @kindex to index escape sequences in
1757 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1759 * stmt.c (current_nesting_level): New fn.
1760 * tree.h: Declare it.
1761 * c-semantics.c (genrtl_compound_stmt): Use it.
1763 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1765 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1767 * jump.c (mark_modified_reg): Allow jump threading if condition
1768 codes are represented by a hard register.
1770 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1772 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1773 for complex floats passed to unprototyped functions.
1775 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1777 * except.c (expand_eh_region_end_allowed): Call
1778 do_pending_stack_adjust as necessary.
1780 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1782 * function.c (clobber_return_register): Clobber the pseudo return
1785 * sibcall.c (skip_unreturned_value): New function.
1786 (call_ends_block_p): Use it.
1788 * recog.c (split_insn): Break out from ...
1789 (split_all_insns): ... here; do not use basic block information
1792 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1794 * simplify-rtx.c (simplify_subreg): Fix verification of
1797 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1799 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1800 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1801 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1802 (CPLUSPLUS_CPP_SPEC): ... here.
1803 Fixes PRs c++/3047, target/441.
1805 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1807 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1809 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1811 * doc/gcc.texi: Add trailing slash to URL.
1813 2001-06-07 Stan Shebs <shebs@apple.com>
1815 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1816 (REDO_SECTION_INFO_P): Ditto.
1817 (STRIP_NAME_ENCODING): Ditto.
1818 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1819 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1820 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1821 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1822 * config/darwin.c: No longer include c-tree.h.
1823 (machopic_classify_ident): Rewrite to use symbol encoding.
1824 (lookup_name_darwin): Remove.
1825 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1826 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1827 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1828 (machopic_finish): Ditto, remove test of decl.
1829 (update_non_lazy_ptrs): New function.
1830 (darwin_encode_section_info): New function.
1831 * config/darwin-protos.h: Declare it.
1832 * config/rs6000/rs6000.c (machopic_output_stub): Use
1833 STRIP_NAME_ENCODING.
1835 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1837 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1838 (DECL_SOURCE_LINE): Likewise.
1840 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1842 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1843 from config/elfos.h.
1845 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1847 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1848 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1850 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1852 * doc/contrib.texi: Add copyright notice.
1854 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1856 * doc/md.texi: Use four digit years in copyright notice.
1858 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1860 * config.gcc: For $target_alias of athlon-*, set
1861 target_cpu_default2=5.
1863 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1865 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1866 end of last block if last real insn is a JUMP_INSN.
1868 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1872 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1874 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1875 pthread_t to objc_thread_t.
1876 (__gthread_objc_thread_id): Likewise.
1878 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1880 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1881 (ASM_OLDAS_SPEC): Likewise.
1883 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1884 (CPP_SUBTARGET_SPEC): Use it.
1885 (ASM_OLDAS_SPEC): Define.
1887 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1889 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1891 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1892 passed by reference.
1894 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1896 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1897 Document use of N_(...), and show it in examples. Note that
1898 documentation should be added to invoke.texi. Avoid an overfull
1901 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1903 * toplev.c (rest_of_compilation): Revert previous patch.
1904 * final.c (shorten_branches): Likewise.
1906 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1908 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1911 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1913 * doc/install-old.texi: Remove more obsolete documentation.
1915 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1917 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1919 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1921 * toplev.c (rest_of_compilation): Call split_all_insns
1922 before reg-stack and shorten-branches. Do shorten-branches
1924 * final.c (shorten_branches): Remove insn splitting code.
1926 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1928 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1929 * configure: Rebuilt.
1931 2001-06-07 Andreas Jaeger <aj@suse.de>
1933 * emit-rtl.c (operand_subword): Remove unused variable.
1935 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1937 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1938 if TARGET_64BIT is false.
1939 (floatdi?f_i386_only): New insn.
1940 (floatdi?f_i386): Disable for !TARGET_64BIT.
1942 * (min?f, max?f splitters): Handle case where
1943 operands are cross-matched.
1945 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1946 (MMX_REGISTER_NAMES): Kill.
1947 (PRINT_OPERAND): Fix comment.
1948 (PRINT_REG): Likewise.
1949 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1950 (print_operand): Update comment; kill 'm'.
1952 * i386.c (x86_branch_hints): New global variable
1953 (print_operand): Support outputting of branch prediction hints.
1954 * i386.md (conditional jump patterns): Add branch prediction hints
1956 * i386.h (x86_branch_hints): Declare
1957 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1958 (PRINT_OPERAND_FUNCT_VALID_P): New.
1959 * final.c (final_forward_branch_p): New function.
1961 2001-06-06 Richard Henderson <rth@redhat.com>
1963 * flow.c (mark_used_reg): Clean up looping over multiple hard
1964 registers. Do conditional life bits across multiple hard regs.
1966 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1968 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1969 deleted during reload.
1971 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1973 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1974 functions here, instead of ...
1975 * c-decl.c (c_expand_body): ... here.
1977 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1979 * config.gcc, config/sparc/bsd.h: Do not directly include
1980 sparc/sparc.h. Instead do it via tm_file.
1982 2001-06-05 Richard Henderson <rth@redhat.com>
1984 * dwarf2.h (DW_EH_PE_aligned): New.
1985 * dwarf2asm.c (eh_data_format_name): Name it.
1986 (dw2_asm_output_encoded_addr_rtx): Align for it.
1987 * dwarf2out.c (output_call_frame_info): Handle it for personality
1988 routine and LSDA pointers.
1990 * unwind-pe.h (DW_EH_PE_aligned): New.
1991 (base_of_encoded_value): Handle it.
1992 (read_encoded_value_with_base): Likewise.
1993 * unwind-dw2-fde.c (base_from_object): Likewise.
1994 (get_cie_encoding): Likewise.
1996 * config/alpha/elf.h: Remove ecoff commentary.
1997 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1999 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2001 * config.gcc, config/i386/bsd386.h: Do not directly include
2002 i386/386bsd.h. Instead do it via tm_file.
2004 2001-06-05 David O'Brien <obrien@FreeBSD.org>
2006 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
2009 2001-06-05 Pascal Obry <obry@act-europe.fr>
2011 * configure.in: Quote $enable_win32_registry in case the value has
2015 2001-06-05 Mark Mitchell <mark@codesourcery.com>
2017 * print-rtl.c (xspaces): Remove.
2018 (print_rtx): Use printf field-width, rather than xpsaces, to
2020 * toplev.c (main): Disable sibling-call optimization if we are
2021 handling exceptions.
2023 2001-06-05 Bernd Schmidt <bernds@redhat.com>
2025 * reload1.c (reload): Delete all USEs generated during reload.
2027 2001-06-05 scott snyder <snyder@fnal.gov>
2029 * gccbug.in: Fix typo.
2031 2001-06-05 Andreas Jaeger <aj@suse.de>
2033 * builtins.def: Fix definition of __builtin_cosf, it uses float as
2034 parameter and return value.
2036 2001-06-04 Anthony Green <green@redhat.com>
2038 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
2039 machine. This is now done in sparc.h.
2041 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2043 Correct CVS resurrection of invoke.texi.
2044 * doc/invoke.texi: Document new tree dump flags.
2046 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2048 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
2049 for casting an aggregate to its own type. Fixes PR c/2735.
2051 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
2053 * doc/texinfo.tex: Update to version 2001-05-24.08.
2055 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
2057 * c-common.h (flag_dump_translation_unit): Remove.
2058 (enum tree_dump_index): Define.
2059 (TDF_ADDRESS, TDF_SLIM): New #defines.
2060 (dump_node_to_file): Remove.
2061 (dump_node): Make extern. Add flags.
2062 (dump_flag, dump_enabled_p, dump_begin, dump_end,
2063 dump_switch_p): Prototype.
2064 * c-common.c (flag_dump_translation_unit): Remove.
2065 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
2066 logic. Use dump_switch_p.
2067 * c-dump.h (struct dump_info): Add node and user fields.
2068 (dump_pointer): Declare.
2069 * c-dump.c (dump_node): Make extern. Add flags.
2070 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
2071 (dump_new_line, dump_maybe_newline): Use them.
2072 (dump_pointer): New function.
2073 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
2074 chain or function's body. Dump address, if TDF_ADDRESS set.
2075 (dump_flag): Define.
2076 (dump_node_to_file): Remove.
2077 (struct dump_file_info): New struct.
2078 (dump_files): New array.
2079 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
2080 * c-lang.c (finish_file): Adjust dumping.
2081 * toplev.h (dump_base_name): Make extern.
2082 * invoke.texi: Document new flags.
2084 2001-06-04 Mark Mitchell <mark@codesourcery.com>
2086 * c-tree.h (lang_decl): Add pending_sizes fields.
2087 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
2089 (c_expand_body): Expand them.
2090 (lang_mark_tree): Mark lang_decl:pending_sizes.
2091 * function.c (expand_pending_sizes): New function, broken out
2093 (expand_function_start): ... here.
2094 * tree.h (expand_pending_sizes): Declare it.
2096 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
2098 * doc/install.texi: Update FreeBSD information. Generalize
2099 and update information for alpha-based platforms using ELF.
2101 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2103 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
2104 (store_parm_decls): Likewise.
2105 * c-typeck.c (convert_arguments): Likewise.
2107 2001-06-04 Richard Henderson <rth@redhat.com>
2109 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
2110 optimization if current_function_calls_setjmp.
2112 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
2114 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
2117 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2119 * simplify-rtx.c (simplify_subreg): Fix combining of
2120 paradoxical subregs.
2122 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
2124 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
2125 (no_labels_between_p): Short circuit case beg==end.
2127 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
2129 * rtlanal.c (operand_preference): Fix preference for objects.
2131 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2133 * gcse.c (handle_avail_expr): Be prepared to handle single_set
2136 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2138 * combine.c (if_then_else_cond): Use simplify_subreg instead
2140 * integreate.c (sub_constants): Likewise.
2142 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2144 * emit-rtl.c (constant_subword): Deprecate; remove most of code
2145 and use simplify_gen_subreg.
2147 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
2149 * sibcall.c (skip_copy_to_return_value): recognize the situation
2150 when the called function's return value is copied into an
2151 intermediate pseudo, and then into the calling functions return
2154 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2156 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
2157 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
2158 in case register wasn't OK previously, accept it now; allow
2159 subregs of frame pointer if reload completed and frame pointer
2162 * combine.c (sombine_simplify_rtx): Fix comment;
2163 use subreg_lowpart_offset instead of subreg_lowpart_p
2164 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
2165 * rtl.h (subreg_lowpart_parts_p): Kill.
2166 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
2167 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
2168 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
2169 (gen_lowpart_common): Likewise.
2170 (subreg_lowpart_p): Likewise.
2171 (subreg_lowpart_parts_p): Kill.
2172 (subreg_lowpart_offset, subreg_highpart_offset): New function.
2174 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
2175 to simplify SUBREG and REG.
2176 (gen_highpart): Use simplify_gen_subreg for all simplifications.
2178 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
2181 * rtlanal.c (replace_regs): Use simplify_gen_subreg
2183 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2185 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
2186 (ARRAY_RANGE_REF): Added description.
2188 * tree.def (ARRAY_RANGE_REF): New code.
2189 * alias.c (handled_component_p, can_address_p): Handle it.
2190 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2191 * explow.c (set_mem_attributes): Likewise.
2192 * expr.c (expand_assignment, get_inner_reference): Likewise.
2193 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
2194 * fold-const.c (operand_equal_p): Likewise.
2195 * tree.c (staticp, stabilize_reference): Likewise.
2196 * varasm.c (decode_addr_const): Likewise.
2198 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2200 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
2201 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
2203 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
2205 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
2206 mark_constant_pool_use before output_addr_const.
2207 (struct pool_node): New field wend.
2208 (add_constant): Note a sequence of constants that are referenced
2210 (pool_window_label, pool_window_last): New variables.
2211 (dump_table): Emit a unspec_volatile representing the end of a
2212 sequence of constants.
2213 (mark_constant_pool_use): New function.
2214 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
2215 (consttable_2): Add the second operand which flags whether
2216 this consttable entry was used or not.
2217 (consttable_4, consttable_8, consttable_sf, consttable_df):
2219 (consttable_window_end): New insn.
2221 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2223 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
2224 Reformat according to coding standards.
2227 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
2228 (shl_and_kind): Cast wide constant.
2229 (gen_far_branch): Define as static, as in declaration.
2230 (barrier_align): Compute cache-line length as unsigned. Add
2231 parentheses in initial credit computation.
2232 (rounded_frame_size): Add parentheses.
2233 (permanent_obstack): Remove declaration. Include ggc.h for
2234 declaration of ggc_add_root_rtx().
2235 (get_free_reg): Removed declaration of unused variable reg.
2236 (legitimize_pic_address): Mark mode argument as unused.
2238 2001-06-03 Igor Shevlyakov <igor@windriver.com>
2240 * config/sh/sh.c (output_branch): Support for insn with lenght
2241 attr 12 & 16 which represents cond branches outside +-4096 range.
2243 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
2245 * config/sh/lib1funcs.asm (ic_invalidate): Align the
2246 cache-mirroring sequence. Add nops.
2248 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
2250 * doc/install-old.texi: Remove more old installation
2252 * doc/install.texi: Add relevant parts here.
2254 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2256 * doc/install.texi2html: New script.
2258 2001-06-03 David Edelsohn <edelsohn@gnu.org>
2260 * doc/install.texi: Update AIX information again.
2262 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2264 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
2265 installation documentation.
2266 * doc/install.texi: Move it to here.
2268 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2270 * doc/install.texi: Clean up Texinfo markup.
2272 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2274 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
2275 to just after title page.
2277 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
2279 * doc/install-old.texi: Remove documentation of some configuration
2281 * doc/install.texi: Add relevant parts of this documentation here.
2283 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2285 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
2286 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
2288 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2290 * i386.md (all uses of ext_register_operand): Make sure they are
2291 VOIDmode; replace all uses outside zero_extend.
2292 (and?i splitters): Use ext_register_operands.
2293 (test?i peep2): Remove ignored constraints.
2294 * i386.c (ext_register_operand): Check that operand is
2295 eighter pseudo or hard or 'Q' register.
2297 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2299 * tree.h (struct record_layout_info_s): New field unpadded_align.
2300 (set_lang_adjust_rli): New declaration.
2301 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
2302 it would have if not packed, do not downgrade DECL_ALIGN.
2303 (lang_adjust_rli, set_lang_adjust_rli): New.
2304 (start_record_layout): Initialize new field unpadded_align.
2305 (debug_rli): Display it.
2306 (place_union_field, place_field): Set it.
2307 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
2309 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
2310 mean that; use proper names instead.
2311 Print DECL_NO_STATIC_CHAIN.
2313 * except.c (expand_builtin_frob_return_addr): Add missing call
2314 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
2315 (expand_builtin_eh_return): Likewise.
2316 (expand_eh_return): Clean up ptr_mode != Pmode cases.
2318 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
2320 * doc/invoke.texi: Remove references to papers about sequence points
2321 to readings.html, refer to that page.
2323 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2325 * README: Update references to installation instructions.
2327 2001-06-01 Laurent Guerby <guerby@acm.org>
2328 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2330 * doc/install.texi: Define srcdir when sources come from CVS.
2331 Significantly improve markup. Wrap overly long lines
2333 2001-06-01 DJ Delorie <dj@redhat.com>
2335 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
2336 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
2337 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
2338 gcov.1: Move to doc subdirectory.
2339 * install.texi: Move to doc/install-old.texi.
2340 * gcc.texi: Move to doc, refer to install-old.texi.
2341 * Makefile.in: Reflect move of docs to doc/.
2342 * f/Make-lang.in: Ditto.
2343 * java/Make-lang.in: Ditto.
2344 * doc/.cvsignore: New.
2346 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2348 * invoke.texi: use two spaces between command options, eliminate
2349 some 'overfull hboxes'
2351 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
2353 * Makefile.in (s-mlib): Make backtick-commands always succeed.
2354 (DRIVER_DEFINES): Ditto.
2356 2001-05-31 Richard Henderson <rth@redhat.com>
2358 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
2359 also link against libgcc.a.
2361 2001-05-31 Geoff Keating <geoffk@cygnus.com>
2363 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
2364 * config/mips/mips.c (mips_output_ascii): New function.
2365 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
2367 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
2369 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2371 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
2372 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
2374 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
2376 * install.texi (Configuration): Add html links for --with-gnu-as &
2377 --with-gnu-ld and refer to them from hppa & SCO triplets.
2378 (Specific): Link back to with-gnu-ld for all ELF platfoms.
2379 (Specific): Reword AVR binutils recommendation.
2381 2001-05-30 Zack Weinberg <zackw@stanford.edu>
2383 * ggc-page.c (size_lookup): Increase minimum allocation size
2385 (ggc_print_statistics): Report size of each bin in bytes, not
2386 as its order; there is no longer a direct relationship.
2388 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
2390 * extend.texi: Fix formating of examples, eliminate some
2392 * gcc.texi: Eliminate some 'overfull hboxes'.
2393 * invoke.texi: Use two spaces between command options, eliminate
2394 some 'overfull hboxes'.
2396 2001-05-30 Richard Henderson <rth@redhat.com>
2398 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
2400 2001-05-30 Tom Tromey <tromey@redhat.com>
2402 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
2403 use it in the new association.
2405 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
2406 John David Anglin <dave@hiauly1.hia.nrc.ca>
2408 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
2409 to target type to allow ISO C++ compiler to accept it.
2410 * gthr-dce.h (__gthread_active_ptr): Likewise.
2411 * gthr-solaris.h (__gthread_active_ptr): Likewise.
2413 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2415 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
2416 so that we do accept comments in preprocessed input.
2418 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
2420 * cpphash.c (alloc_node): Cast allocated pointer.
2422 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
2424 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
2426 2001-05-29 Stan Shebs <shebs@apple.com>
2428 * gcc.texi: Add links for information about Objective-C.
2430 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
2432 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
2433 /bin/sed fails on [^\"]).
2434 (configargs.h): Likewise.
2436 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
2438 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
2440 2001-05-28 Stan Shebs <shebs@apple.com>
2442 * objc/objc.gperf: Remove, no longer used.
2444 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
2446 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
2447 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
2448 Remove trailing whitespace.
2450 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2452 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
2453 became http://freeware.sgi.com/.
2455 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
2457 * local-alloc.c (update_equiv_regs): Don't eliminate constant
2460 2001-05-27 Stan Shebs <shebs@apple.com>
2462 * objc/objc-act.c: Add/fix various comments.
2463 (init_selector): Remove, no longer used.
2464 (build_msg_pool_reference): Ditto.
2465 (objc_debug): Ditto.
2467 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2469 * c-decl.c (init_decl_processing):
2470 Don't call start_identifier_warnings.
2471 * flags.h (warn_id_clash, id_clash_len): Remove.
2472 * stringpool.c: Don't include flags.h.
2473 (scan_for_clashes, do_identifier_warnings,
2474 start_identifier_warnings): Remove.
2475 * toplev.c (warn_id_clash, id_clash_len): Remove.
2476 (display_help): Don't document -Wid-clash.
2477 (decode_W_option): Print warning on -Wid-clash.
2478 * tree.h (start_identifier_warnings): Remove.
2479 * invoke.texi: Remove documentation of -Wid-clash.
2481 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2483 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
2485 2001-05-27 Bruce Korb <bkorb@gnu.org>
2487 * fixinc/check.tpl(HACK) add and use a Scheme variable
2488 (has no test text): error out if no "test_text" is defined
2489 * fixinc/fixincl.tpl: likewise
2490 (FIXIDX): make it an enumeration so we minimize diffs
2491 * fixinc/inclhack.def: re-alphabetize and add sort instructions
2492 * fixinc/fixincl.x: regenerate
2493 * fixinc/tests/base/stdio.h: test output got moved due to
2495 * README-fixinc: rewrite (mostly)
2497 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
2499 * cpplib.c (run_directive): Set pfile->directive.
2501 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2503 * c-tree.texi: Reformat the manual as a single chapter now
2504 included by gcc.texi.
2505 * gcc.texi: Include c-tree.texi. Merge all indexes.
2506 * Makefile.in (dvi): Add generation for the cppinternals
2507 documentation. Added dependencies on fdl.texi and c-tree.texi
2508 where appropriate. Use TEXI2DVI instead of custom tex calls.
2509 (info): Added dependencies on fdl.texi and c-tree.texi where
2510 appropriate. Remove the target c-tree.info.
2512 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
2514 * combine.c (try_combine): Fix typo in comment.
2515 * expr.c (expand_expr): Likewise.
2516 * config/i370/i370.md (untyped_call): Likewise.
2518 2001-05-26 Bruce Korb <bkorb@gnu.org>
2520 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2521 when fixincl is operating in test mode
2522 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
2523 (AAB_ultrix_limits): remove redundant text
2524 (AAB_ultrix_memory): ditto
2525 (AAB_ultrix_string): ditto
2526 (djgpp_wchar_h): fix the test text
2527 (irix_stdio_va_list): add test text
2528 (irix_limits_const): add a testing output file (limits.h is overwritten)
2529 (strict_ansi_not_ctd): put limits.h second in list for same reason
2530 (solaris27_mutex_init): test text needed selection text, too
2532 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2533 when fixincl is operating in test mode
2535 2001-05-26 Philip Blundell <philb@gnu.org>
2537 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2538 * config/i960/i960-protos.h: Likewise.
2539 * config/i370/i370-protos.h: Likewise.
2540 * config/h8300/h8300-protos.h: Likewise,
2541 * config/sh/sh-protos.h: Likewise.
2542 * config/v850/v850-protos.h: Likewise.
2544 2001-05-26 Philip Blundell <philb@gnu.org>
2546 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
2548 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2550 * toplev.c (debug_args, f_options, W_options): Mark
2551 descriptions for translation.
2552 (display_help): Translate descriptions on output.
2554 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2555 objc/lang-options.h: Mark descriptions for translation.
2557 * aclocal.m4: Quote final argument of patsubst. Use
2558 3-argument form of AC_DEFINE. Restore quotes to [] while
2560 * configure.in: Remove unnecessary changequote calls.
2561 * configure, config.in: Regenerate.
2563 2001-05-25 Sam TH <sam@uchicago.edu>
2565 * basic-block.h: Fix header include guards.
2566 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
2567 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
2568 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
2569 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
2570 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
2571 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
2572 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
2573 varray.h version.h: Likewise.
2574 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
2575 config/arm/arm.h config/c4x/c4x-protos.h
2576 config/h8300/h8300-protos.h config/h8300/h8300.h
2577 config/i370/i370-protos.h config/i370/i370.h
2578 config/i960/i960-protos.h config/mcore/mcore.h
2579 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
2580 config/v850/v850-protos.h config/v850/v850.h: Likewise.
2581 * fixinc/fixlib.h fixinc/server.h: Likewise.
2583 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2585 * config/arc/initfini.c (.init): Fix typo.
2587 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
2589 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
2591 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2593 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2595 2001-05-25 Richard Henderson <rth@redhat.com>
2597 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2599 2001-05-25 Richard Henderson <rth@redhat.com>
2601 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2602 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2603 (sparc*-*-solaris2): Likewise.
2604 * config/t-linux: Remove shared libgcc macros.
2605 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2606 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2608 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
2610 * config.gcc (*-*-freebsd*): Report bad configuration.
2612 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2614 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2616 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2618 (ASM_OUTPUT_LABELREF): Delete.
2620 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2622 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2623 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2624 * fixinc/fixincl.x: Regenerate.
2625 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2626 (FIX_TEST_TABLE): Declare it.
2627 * fixinc/fixlib.h: Include config.h.
2629 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2631 * fixinc/inclhack.def (alpha___assert): Change char * args to
2632 const char * on Tru64 UNIX to avoid excessive warnings from
2634 * fixinc/fixincl.x: Regenerate.
2636 2001-05-25 Geoff Keating <geoffk@redhat.com>
2638 * dbxout.c (dbxout_symbol): Invert previous patch, which was
2639 outputting a tag only for variable-size records.
2641 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2643 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2644 instead of rtx_equal_p for early clobber test.
2646 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2648 * builtins.def: Encode additional information, such as names and
2650 * builtin-types.def: New file.
2651 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2652 (built_in_decls): Likewise. Don't explicitly initialize global
2654 (expand_builtin_mathfn): Handle float and long double variants of
2656 (expand_builtin): Likewise.
2657 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2658 (expand_tree_builtin): Handle long, long long, float, and long
2659 double variants of math functions.
2660 * c-common.h (c_tree_index): Remove some unused nodes.
2661 (void_ftype): Remove.
2662 (void_type_ptr): Likewise.
2663 (int_ftype_int): Likewise.
2664 (ptr_ftype_sizetype): Likewise.
2665 * c-decl.c (init_decl_processing): Remove creation of DWARF
2667 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2668 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2669 * Makefile.in (c-common.o): Depend on builtin-types.def.
2671 2001-05-25 Dale Johannesen <dalej@apple.com>
2673 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2675 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2677 * c-parse.in (notype_initdcl): Remove redundant line.
2679 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2681 * aclocal.m4: Fixed typo.
2682 (gcc_AC_HEADER_STDBOOL): Define.
2683 (gcc_AC_C__BOOL): Define.
2684 * configure.in: Use them.
2685 (AC_CHECK_HEADERS): Remove stdbool.h
2686 * configure, config.in: Regenerate.
2688 2001-05-25 Richard Henderson <rth@redhat.com>
2690 * function.c (expand_function_start): Don't abort on PARALLEL
2691 returns from hard_function_value.
2693 2001-05-25 Richard Henderson <rth@redhat.com>
2695 * config/i386/i386.md: Revert previous change. Do not apply
2696 the peephole if the components do not die after the sequence.
2698 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2700 * c-parse.in (array_declarator): New. Handle C99 constructs.
2701 Don't restrict [*] declarators to C only.
2702 (after_type_declarator, parm_declarator_starttypename,
2703 parm_declarator_nostarttypename, notype_declarator,
2704 direct_absdcl1): Use it.
2705 * c-decl.c (build_array_declarator, set_array_declarator_type):
2706 New functions. Warn that [*] isn't properly implemented; pedwarn
2707 for [*] outside C99 mode if pedantic rather than giving a hard
2709 (grokdeclarator): Handle static and type qualifiers in parameter
2711 * c-tree.h (build_array_declarator, set_array_declarator_type):
2713 * extend.texi (Attribute Syntax): Document attributes in parameter
2716 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2718 * config/i386/i386.md: Make sure cmpstr peepholes do not
2719 affect liveness information.
2721 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2723 * c-typeck.c (digest_init): Issue error messages about
2724 invalid constants, not warnings.
2726 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2728 * invoke.texi (-fno-builtin): Document that this is always on
2731 2001-05-24 Philip Blundell <philb@gnu.org>
2733 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2736 2001-05-24 Philip Blundell <philb@gnu.org>
2738 * config/arm/arm.c (output_return_instruction): Correctly handle
2739 interworking and interrupt functions.
2741 2001-05-24 Philip Blundell <philb@gnu.org>
2743 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2744 -m{no-}sched-prolog. Fix typos and improve formatting.
2746 2001-05-24 Philip Blundell <philb@gnu.org>
2748 * invoke.texi (ARM Options): Improve wording slightly. Add
2749 documentation for more options, including those for Thumb mode.
2750 Don't mention options that don't exist or are unimplemented.
2751 (Thumb Options): Delete; merged into above section.
2753 2001-05-24 Geoff Keating <geoffk@redhat.com>
2755 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2756 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2758 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2760 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2761 fix hard register simplification.
2763 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2765 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2766 of just copying CPP_CPU_SPEC.
2768 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2770 * i386.c (incdec_operand): Accept only 1 and -1.
2772 2001-05-23 Kelley Cook <kelley.cook@home.com>
2774 * Makefile.in: Move many of the *_H definitions eariler in the
2775 file, so that rules in t-* files that use them for
2776 dependencies will work in a parallel build.
2777 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2779 2001-05-23 Richard Henderson <rth@redhat.com>
2781 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2783 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2785 * cpp.texi: Update for handling of charconsts.
2786 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2787 diagnostics. Skip to the end if the UCS is too short.
2788 (cpp_interpret_charconst): Long charconsts issue a warning
2791 2001-05-23 Richard Henderson <rth@redhat.com>
2793 * doc/install.texi (alpha-linux): Require binutils 2.11.
2795 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2797 * c-lex.c (read_escape, read_ucs): Delete.
2798 (lex_string): Use cpp_parse_escape.
2799 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2800 if not C++ or not C99. Warn if traditional.
2801 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2802 unsigned. Warn for out-of-range escape sequences here.
2803 Update to use maybe_read_ucs.
2804 (cpp_interpret_charconst): Don't warn here.
2805 * cpplib.h (cpp_parse_escape): New exported function.
2807 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2809 * extend.texi (Attribute Syntax): Clarify application of
2810 attributes to parameters declared as functions or arrays.
2812 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2814 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2816 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2818 * diagnostic.c (vnotice): Kill.
2819 (fnotice): Call vfprintf directly.
2820 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2821 verbatim, set_diagnostic_context): Rename string argument to
2822 indicate that it is run through gettext.
2823 (vbuild_message_string, build_message_string, output_do_printf):
2824 Rename string argument to indicate that it is NOT run through
2826 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2827 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2828 Run msgid argument through gettext.
2829 (default_print_error_function): Run constant strings through
2830 gettext when nothing else will.
2831 (fatal_error, internal_error, error_recursion): Use fnotice.
2832 Present complete sentences to gettext.
2834 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2836 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2838 2001-05-23 Richard Henderson <rth@redhat.com>
2840 * function.c (expand_function_start): Always use a pseudo
2841 for the function result value.
2843 2001-05-22 Richard Henderson <rth@redhat.com>
2845 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2846 section pointer alignment.
2848 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2850 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2851 of __USER_LABEL_PREFIX__.
2853 2001-05-22 Richard Henderson <rth@redhat.com>
2855 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2856 (__deregister_frame_info_bases): New.
2857 * unwind-dw2-fde.h: Declare it.
2858 * libgcc-std.ver: Export it.
2859 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2860 called __register_frame_info_bases.
2862 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2864 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2865 instead of #elif (which is OK for this case but not in general).
2867 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2869 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2870 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2871 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2872 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2873 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2875 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2876 David O'Brien <obrien@freebsd.org>
2878 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2879 configure-time options and target version of FreeBSD. Set-up
2880 to match architectural change in threading support. Correctly
2881 report when -pthread option is not supported by configure-time
2883 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2884 and extend to encode target version number in run-time setting
2885 of __FreeBSD__ macro to match the system compiler.
2886 (CPP_PREDEFINES): Likewise.
2887 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2889 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2890 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2892 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2893 David O'Brien <obrien@freebsd.org>
2895 * config.gcc (the unlabeled system switch statement): Add
2896 generic configuration section to handle *-*-freebsd*. Also,
2897 to match the system compiler, default to threading support (it
2898 may be disabled with the standard --disable-threads
2899 configuration-time switch).
2900 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2901 (alpha*-*-freebsd* in machine-specific section): Likewise.
2903 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2904 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2905 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2906 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2907 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2909 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2910 David O'Brien <obrien@freebsd.org>
2912 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2913 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2914 -pthread instead setting macro.
2916 2001-05-22 Richard Henderson <rth@redhat.com>
2918 * crtstuff.c (__register_frame_info_bases): Declare.
2919 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2920 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2922 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2923 (CRT_GET_RFIB_DATA): New.
2924 * config/i386/sysv4.h: Likewise.
2925 * config/i386/sco5.h: Likewise.
2926 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2928 2001-05-22 Richard Henderson <rth@redhat.com>
2930 * rtl.c (read_string): Break out from ...
2931 (read_rtx): ... here.
2933 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2935 * doc/install.texi (Specific): Remove a bogus and duplicate part
2936 copied from the end of the document.
2938 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2940 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2942 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2944 * install.texi: Remove obsolete information on SunOS as well as
2945 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2946 (Installing GNU CC on the Sun): Remove section.
2948 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2950 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2951 keep errno unchanged on success.
2953 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2955 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2956 once for hexadecimal floats, whether or not they contain a decimal
2957 point. Don't let the setting of pedantic otherwise affect the
2958 parsing of hexadecimal floats.
2960 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2962 * README.ACORN: Remove obsolete file.
2964 2001-05-22 Jan Hubicka <jh@suse.cz>
2966 * combine.c (gen_binary): Use swap_commutative_operands_p
2967 (simplify_comparison): Likewise.
2968 * expmed.c (emit_store_flag): Likewise.
2969 * expr.c (compare_from_rtx): Likewise.
2970 (do_compare_rtx_and_jump): Likewise.
2971 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2972 if not emitting a branch and operands want swapping.
2974 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2976 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2977 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2978 (maybe_get_identifier): Update.
2979 * tree.h (make_identifier): Delete.
2981 2001-05-21 Richard Henderson <rth@redhat.com>
2983 * combine.c (subst): Do not substitute for a register as
2984 a destination subreg/strict_low_part/zero_extract.
2986 * combine.c (simplify_comparison): Update op1 after constant
2988 * recog.c (const_int_operand): Accept only constants valid
2990 * genrecog.c: Update comments wrt const_int_operand.
2992 * emit-rtl.c (init_emit_once): Zero unused memory in a
2995 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2997 * tree.h (type_num_arguments): Declare it.
2998 * tree.c (type_num_arguments): New function.
3000 2001-05-21 Richard Henderson <rth@redhat.com>
3002 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
3005 2001-05-21 Geoff Keating <geoffk@redhat.com>
3007 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
3009 (minsf3): Use rs6000_emit_minmax.
3010 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
3012 (movsfcc): Use rs6000_emit_cmove.
3013 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
3014 Don't generate emit_fselsfsf4.
3015 (fseldfsf4): Likewise.
3016 (maxdf3): Use rs6000_emit_minmax.
3018 (mindf3): Use rs6000_emit_minmax.
3019 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
3021 (movdfcc): Use rs6000_emit_cmove.
3022 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
3023 Don't generate emit_fselsfsf4.
3024 (fselsfdf4): Likewise.
3025 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
3026 (min_max_operator): New predicate.
3027 (rs6000_emit_cmove): New function.
3028 (rs6000_emit_minmax): New function.
3029 * config/rs6000/rs6000-protos.h: Prototype new functions.
3030 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
3031 and min_max_operator.
3033 * config/rs6000/rs6000.c (output_cbranch): Handle all
3034 conditional types in the switch statement.
3036 2001-05-21 Mark Mitchell <mark@codesourcery.com>
3038 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
3039 non-register variables.
3040 * extend.texi: Document that asm-specifications do not make sense
3041 for non-static local variables.
3043 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
3045 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
3046 (dbxout_type_fields): Lose minimal_debug support.
3047 (dbxout_type_methods, dbxout_type): Likewise.
3049 2001-05-17 Andrew Haley <aph@redhat.com>
3051 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3053 2001-05-21 Richard Henderson <rth@redhat.com>
3055 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
3058 2001-05-20 Richard Henderson <rth@redhat.com>
3060 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3061 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
3062 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
3063 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3064 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
3066 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
3067 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
3068 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
3069 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3070 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
3071 DEBUG_PUBNAMES_SECTION): Rename as above.
3072 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
3074 2001-05-20 Richard Henderson <rth@redhat.com>
3076 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
3077 operands unless the operation is commutative.
3079 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3081 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
3084 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
3086 * extend.texi: Clarify documentation of extensions included in ISO
3087 C99. Prefer C99 terminology and syntax to old GNU terminology and
3088 syntax. Add more index entries. Document mixed declarations and
3089 code as an extension in C89 mode. Warn about future changes to
3090 semantics of inline functions. Fixes PR other/930.
3092 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3094 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
3095 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3096 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
3097 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
3099 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
3101 2001-05-20 Richard Henderson <rth@redhat.com>
3103 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
3104 to be output before a branch.
3106 2001-05-20 Richard Henderson <rth@redhat.com>
3108 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
3110 2001-05-20 Richard Henderson <rth@redhat.com>
3112 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
3113 (ASM_DOUBLE): Remove.
3114 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
3115 * config/i386/sun386.h: Likewise.
3117 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
3118 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
3120 * config/i386/cygwin.h (INT_ASM_OP): Remove.
3121 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
3122 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
3123 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
3125 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
3126 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
3127 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
3128 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
3129 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
3130 * config/i386/win32.h: Likewise.
3132 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3134 * invoke.texi: Add more options to summary list.
3136 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
3138 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
3139 used. Fixes PR c/2291.
3140 * gcc.1: Regenerate.
3142 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3144 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
3145 the -fpic and -fPIC options, clear flag_pic.
3147 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3149 * hashtable.c (calc_hash): Fix HASHSTEP definition.
3150 * stringpool.c (make_identifier): No statistics here anymore.
3151 * objc-act.c (steup_string_decl): Remove redundant check.
3153 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
3155 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
3156 cpplib.o, cpphash.o, fix-header): Update.
3157 (hashtable.o): New target.
3158 * c-common.h: Include cpplib.h. Define C_RID_CODE and
3159 struct c_common_identifier here.
3160 * c-lang.c (c_init_options): Update. Call set_identifier_size.
3161 * c-lex.c (c_lex): Update.
3162 * c-pragma.h: Update.
3163 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
3165 (C_RID_CODE): Delete.
3166 * cpphash.c: Rewrite to use hashtable.c.
3167 * cpphash.h: Update include guards.
3168 (struct cpp_reader): Remove hashtab.
3169 hash_ob and buffer_ob are no longer pointers. Add hash_table
3171 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
3172 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
3173 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
3174 * cppinit.c (cpp_create_reader): Update.
3175 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
3176 (cpp_interpret_charconst): Eliminate warning.
3177 * cpplib.c (do_pragma, do_endif, push_conditional,
3178 cpp_push_buffer, cpp_pop_buffer): Update.
3179 (_cpp_init_stacks): Rename cpp_init_directives.
3180 (_cpp_cleanup_stacks): Remove.
3181 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
3182 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
3183 cpp_forall_identifiers, cpp_create_reader): Update.
3184 (C_RID_CODE, cpp_make_node): New.
3185 (c_common_identifier): New identifier node for C front ends.
3186 * cppmain.c (main): Update.
3187 * fix-header.c (read_scan_file): Update.
3188 * flags.h (id_clash_len): Make unsigned.
3189 * ggc.h (ggc_mark_nonnull_tree): New.
3192 * stringpool.c: Update comments and copyright. Update to use
3194 * toplev.c (approx_sqrt): Move to hashtable.c.
3195 (id_clash_len): Make unsigned.
3196 * toplev.h (ident_hash): New.
3197 * tree.c (gcc_obstack_init): Move to hashtable.c.
3198 * tree.h: Include hashtable.h.
3199 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
3200 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
3201 (struct tree_identifier): Update.
3202 (make_identifier): New.
3204 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
3205 (C_RID_CODE): Remove.
3206 * lex.c (cxx_init_options): Call set_identifier_size. Update.
3207 (init_parse): Don't do it here.
3209 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
3211 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
3213 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
3215 (expand_eh_return): Convert between word_mode and Pmode.
3216 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
3218 (execute_stack_op): Likewise.
3219 (execute_cfa_program): Likewise.
3220 (uw_frame_state_for): Likewise.
3221 (uw_update_context_1): Likewise.
3222 * unwind.inc (_Unwind_Reason_Code): Likewise.
3223 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
3224 (EH_RETURN_STACKADJ_RTX): Likewise.
3225 * config/mips/mips.c (compute_frame_size): Make space for saving
3226 EH return registers.
3227 (mips_expand_epilogue): Handle EH stack adjustments.
3228 * config/mips/mips.md (eh_return): New pattern.
3229 (eh_set_lr_si): Likewise.
3230 (eh_set_lr_di): Likewise.
3231 Add splitter to perform EH return after reload.
3233 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3235 * jump.c (mark_jump_label): Tidy previous change.
3237 2001-05-19 Bruce Korb <bkorb@gnu.org>
3239 * fixinc/genfixes: no need for two warnings
3240 * fixinc/Makefile.in: open stdin for those building with a closed one.
3242 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3244 * jump.c (jump_optimize_1): Tidy.
3245 (mark_jump_label): When changing the label in a LABEL_REF, change
3246 update any REG_EQUAL notes as well.
3248 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
3250 * c-parse.in (parm_declarator): Split into
3251 parm_declarator_starttypename and parm_declarator_nostarttypename.
3252 (parm_declarator_starttypename, parm_declarator_nostarttypename):
3253 New. Allow parenthesised sub-declarators which don't begin with a
3254 TYPENAME. Fixes PR c/166.
3256 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3258 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
3260 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3262 * toplev.c (main): If the target does not allow profiling without
3263 a frame pointer, issue an error message.
3264 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
3267 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3269 * recog.c (general_operand): Modify last change to allow it if reload
3272 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3274 * recog.c (general_operand): Prohibit nonzero subreg bytes on
3275 subregs containing mem.
3277 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
3279 * regrename.c (regrename_optimize): frame pointer register can
3282 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
3284 * README.DWARF: Move into dwarfout.c.
3286 2001-05-18 Dale Johannesen <dalej@apple.com>
3288 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
3289 specific misuse of r0 as a reload address.
3291 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
3293 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
3296 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3298 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
3299 (add_to_sequence): Make that decision type.
3300 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
3301 (write_switch, write_cond, debug_decision_2): Likewise.
3303 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
3305 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
3308 2001-05-18 Stan Shebs <shebs@apple.com>
3310 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
3311 * configure: Regenerate.
3313 2001-05-18 Per Bothner <per@bothner.com>
3315 Changes needed for java/jvspec.c
3316 * gcc.h (n_infiles, outfiles): Add declarations.
3317 * gcc.c (n_infiles, outfiles): Mske no longer static.
3319 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
3321 * config/pa/som.h (EXCEPTION_SECTION): Define.
3323 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
3325 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
3327 Add have_location_lists, a variable to determine whether we need a
3328 .debug_loc section or not.
3329 (enum dw_val_class): Add dw_val_class_loc_list.
3330 (dw_val_struct): Add val_loc_list.
3331 (dw_loc_list_struct): New structure, represents location lists.
3332 (new_loc_list): New function, return a new location list, given
3333 the range and location expression.
3334 (add_loc_descr_to_loc_list): New function, add a location
3335 expression to a location list, given the expression and range.
3336 (output_loc_list): New function, output a location list.
3337 (gen_internal_sym): Modified to take symbol prefix, so we can
3338 reuse it for location list symbols.
3339 (add_AT_loc_list): New function, add a location list to a DIE at
3340 the named attribute.
3341 (AT_loc_list): New function, return the location list reference
3342 for a given attribute, if it's a location list.
3343 (print_die): Handle dw_val_class_loc_list.
3344 (size_of_die): Ditto.
3345 (value_format): Ditto.
3346 (output_die): Ditto.
3347 (output_location_lists): New function, output all of the location
3348 lists for a DIE and it's children.
3349 (dwarf2out_finish): Call output_location_lists if we have location
3353 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3355 * gcse.c (try_replace_reg): First try global replace, later try to
3356 simplify the expression.
3358 * gcse.c (find_used_regs): Change calling convention; work via
3360 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
3362 2001-05-18 Bernd Schmidt <bernds@redhat.com>
3365 2001-02-09 Nick Clifton <nickc@redhat.com>
3366 * config/arm/arm.md: Change output constraint on post inc
3367 load/store multiple patterns to be a read/write constraint.
3369 2001-05-18 Mark Mitchell <mark@codesourcery.com>
3371 * basic-block.h (struct basic_block_def): Add documentation about
3372 what a basic block is, and what the various fields are used for.
3373 * flow.c (calculate_globlal_regs_live): Add documentation about
3374 how the algorithm works, and how we know that it will terminate.
3375 Check that the the inductive assumption that guarantees
3376 termination actually holds.
3377 (mark_used_regs): Treat conditionally set registers as used.
3378 (debug_regset): Add comment.
3379 * rtl.texi (cond_exec): Add documentation.
3381 * function.c (expand_function_start): Avoid creating BLKmode
3384 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3386 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
3387 DIE, even if it has no children.
3388 (dwarf2out_finish): Always output the line-number table, even if
3391 2001-05-18 David Edelsohn <edelsohn@gnu.org>
3393 * rs6000.md (movsfcc,movdfcc): Remove NE case.
3395 2001-05-17 Bruce Korb <bkorb@gnu.org>
3397 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
3398 * fixinc/genfixes: emit a warning if AutoGen is out of date
3400 2001-05-17 Brendan Conoboy <blc@cygnus.com>
3401 Bruce Korb <bkorb@gnu.org>
3403 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
3404 found in fixinc directory. Facilitates binary distributions.
3406 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
3408 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
3411 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
3413 * dwarf2out.c (modified_type_die): Equate qualified type to die.
3415 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3417 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
3418 (simplify_subreg): Handle complex types represented as CONCAT.
3420 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
3421 * rtl.h (swap_commutative_operands_p): Declare.
3422 * rtlanal.c (swap_commutative_operands_p): New.
3423 (operand_preference): New static function.
3425 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
3426 (gen_binary): Likewise.
3427 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
3428 * simplify-rtx.c (simplify_gen_binary,
3429 simplify_gen_relational): Likewise.
3431 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3433 * cse.c (fold_rtx): Use simplify_subreg.
3435 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
3436 (simplify_gen_subreg): New.
3437 (simplify_rtx): Use simplify_subreg.
3438 * rtl.h (simplify_gen_subreg): Declare.
3440 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3442 * doc/install.texi: Update Solaris information.
3444 * except.h (protect_cleanup_actions): Remove it.
3445 (lang_protect_cleanup_actions): Declare it.
3446 * except.c (protect_cleanup_actions): Remove it.
3447 (lang_protect_cleanup_actions): New variable.
3448 (init_eh): Don't make protect_cleanup_actions a GC root.
3449 (expand_eh_region_and_cleanup): Call
3450 lang_protect_cleanup_actions.
3451 (output_function_exception_table): Remove unused `align'
3453 * varasm.c (assemble_external): Abort if we have not yet
3454 opened the assembly output file.
3456 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
3458 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
3459 for eh_personality_libfunc.
3461 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3463 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
3464 when calling simplify_subreg. This is needed to allow replacing
3465 of expression of one mode by expression of different mode.
3467 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3469 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
3471 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3473 * expr.c (protect_from_queue): Protect against subsequent calls to
3475 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
3478 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
3480 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
3482 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3484 * gccbug.in (CATEGORIES): Add "bootstrap".
3486 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3488 * simplify-rtx.c (simplify_subreg): Break out from ...
3489 * combine.c (combine_splify_rtx) ... here and ...
3490 * recog.c (validate_replace_rtx_1): ... here;
3491 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
3492 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
3493 (subreg_lowpart_p): ... here.
3495 2001-05-17 Bernd Schmidt <bernds@redhat.com>
3497 * stmt.c (expand_asm_operands): For inout operands, make sure
3498 the substitution of '=' for '+' makes it into the rtl.
3500 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
3501 (reload_as_needed): Call update_eliminable_offsets a bit later.
3503 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3505 * gcc.texi (gccbug): Refer to the web pages for detailed information
3508 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3510 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
3512 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
3513 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
3514 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
3515 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
3516 * cross-make: Don't set LIBGCC1.
3517 * mklibgcc.in: Delete all code for building from libgcc1.c.
3518 Always honor LIB1ASMFUNCS if set.
3520 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
3521 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
3522 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
3523 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
3524 config/i386/uwin.asm, config/m68hc11/larith.asm,
3525 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
3526 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
3527 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
3528 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
3529 Delete or update references to libgcc1 in commentary.
3531 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
3532 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
3533 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
3534 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
3535 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
3536 config/arm/t-semi, config/arm/t-strongarm-coff,
3537 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
3538 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
3539 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
3540 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
3541 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
3542 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
3543 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
3544 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
3545 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
3546 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
3547 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
3548 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
3549 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
3550 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
3551 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
3552 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
3553 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
3554 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
3555 config/mips/t-ultrix, config/mn10200/t-mn10200,
3556 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
3557 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
3558 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
3559 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
3560 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
3561 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
3562 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
3563 config/sparc/t-sparclite, config/sparc/t-splet,
3564 config/sparc/t-sunos41, config/sparc/t-vxsparc,
3565 config/sparc/t-vxsparc64, config/v850/t-v850:
3566 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
3568 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
3569 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
3570 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
3571 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
3572 nongcc_SI_type, nongcc_word_type, or perform_*
3573 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
3575 * config/i386/386bsd.h, config/i386/beos-elf.h,
3576 config/i386/linux-aout.h, config/i386/linux-oldld.h,
3577 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
3578 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
3579 Don't include i386/perform.h.
3581 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
3582 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
3583 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
3584 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
3585 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
3586 config/vax/t-openbsd, config/vax/t-vax: Delete.
3588 * config.gcc: Remove references to deleted files.
3589 (arm-semi-aof): Use arm/t-semi for tmake_file.
3591 * gcc.texi, install.texi, invoke.texi, tm.texi:
3592 Delete or rewrite text which is no longer relevant now that
3593 libgcc1 no longer exists.
3595 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
3596 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
3598 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
3599 Bruce Korb <bkorb@gnu.org>
3601 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
3604 2001-05-16 Zack Weinberg <zackw@stanford.edu>
3606 * i386.md: Add two peepholes to clean up code generated by
3609 2001-05-16 Richard Henderson <rth@redhat.com>
3611 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
3612 variants of non-absolute encodings.
3614 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3616 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
3617 __register_frame_info_table_bases): Export.
3619 2001-05-16 Richard Henderson <rth@redhat.com>
3621 * except.c (eh_data_format_name): Move to ...
3622 * dwarf2asm.c: ... here. Use designated initializers if available.
3623 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
3624 * dwarf2asm.h: Update declarations.
3625 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
3626 ASM_PREFERRED_EH_DATA_FORMAT.
3627 (output_call_frame_info): Likewise. Use 'L' augmentation for
3630 * unwind-dw2-fde.h (struct fde_vector): New.
3631 (struct old_object): Rename from struct object.
3632 (struct object): New.
3633 (__register_frame_info_bases): Declare.
3634 (__register_frame_info_table_bases): Declare.
3635 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
3636 * unwind-dw2-fde.c (objects): Remove.
3637 (unseen_objects, seen_objects): New.
3638 (__register_frame_info_bases): New.
3639 (__register_frame_info): Use it.
3640 (__register_frame_info_table_bases): New.
3641 (__register_frame_info_table): Use it.
3642 (__deregister_frame_info): Rewrite for changed object struct.
3643 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3644 (fde_unencoded_compare): Rename from fde_compare; uninline.
3645 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3646 (start_fde_sort): Adjust for new definition of fde_vector.
3647 (fde_insert): Likewise.
3648 (end_fde_sort): Likewise. Select comparison function based
3649 on properties of the object.
3650 (fde_split): Take object and fde_compare_t arguments.
3651 (frame_heapsort, fde_merge): Likewise.
3652 (classify_object_over_fdes): Rename from count_fdes. Handle
3653 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3655 (add_fdes): Handle encoded pointers.
3656 (init_object): Rename from frame_init. Update for new struct object.
3657 (linear_search_fdes): Rename from search_fdes. Handle encoded
3659 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3660 (binary_search_single_encoding_fdes): New.
3661 (binary_search_mixed_encoding_fdes): New.
3662 (search_object): New.
3663 (_Unwind_Find_FDE): Update for new struct object. Fill in
3665 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3666 iterating over EH data.
3667 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3668 fde_encoding, lsda_encoding.
3669 (read_uleb128, read_sleb128): Remove.
3670 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3671 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3672 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3674 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3676 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3678 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3679 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3680 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3681 cpp_spell_token, cpp_output_token): Similarly.
3682 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3683 do_pragma_poison, parse_assertion, do_assert): Similarly.
3684 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3685 save_parameter, _cpp_create_definition, check_trad_stringification,
3686 cpp_macro_definition): Similarly.
3687 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3688 * c-lex.c (cb_undef, c_lex): Similarly.
3689 * fix-header.c (recognized_function): Similarly.
3690 * cpplib.h (NODE_LEN, NODE_NAME): New.
3691 (cpp_hashnode): Rename length len.
3693 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3695 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3698 2001-05-16 Andreas Jaeger <aj@suse.de>
3700 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3702 * toplev.c: Include dwarf2asm.h for prototype of
3703 dw2_output_indirect_constants.
3705 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3707 * stmt.c (expand_asm_operands): Be able to offload addressof
3708 expression to memory. (PR optimization/185)
3710 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3712 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3713 applying distributive law.
3715 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3717 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3719 * gthr-dce.h (UNUSED): Attribute unused macro.
3720 (__gthread_key_dtor): Make arguments UNUSED.
3721 (__gthread_key_delete): Revise for compatibility with DRAFT4
3724 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3726 * doc/install.texi: Update AIX information.
3727 * README.RS6000: Remove obsolete file.
3729 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3730 Nathan Sidwell <nathan@codesourcery.com>
3732 * gcc.c (give_switch): Don't write before start of string.
3733 Always append suffix.
3735 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3737 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3740 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3742 * README.ALTOS: Remove obsolete file.
3744 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3746 * c-lex.h (save_and_forget_protocol_qualifiers,
3747 forget_protocol_qualifiers, remember_protocol_qualifiers):
3748 Remove deleted functions' prototypes.
3750 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3752 * c-parse.in (methodtype): New production.
3753 (methoddef, methodproto): Collapse separate '-' and '+'
3756 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3758 * c-common.h (RID_FIRST_PQ): New.
3759 * c-parse.in (objc_pq_context): New.
3760 (objc parser): Set objc_pq_context rather than calling
3761 remember_protocol_qualifiers and forget_protocol_qualifiers.
3762 Don't call save_and_forget_protocol_qualifiers.
3763 (yylexname): Handle objc protocol qualifiers here.
3764 * stringpool.c (struct str_header): Replace with sp_hashnode.
3765 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3766 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3767 Allocate an IDENTIFIER_NODE for each identifier.
3768 (FORALL_STRINGS, set_identifier): Delete.
3769 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3770 (ggc_alloc_string): Use an obstack.
3771 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3772 * tree.h: Update comments.
3773 (set_identifier): Delete.
3774 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3775 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3776 remember_protocol_qualifiers): Delete.
3778 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3780 * flow.c (life_analysis): After life analysis is complete, do
3781 an optional scan over insns looking for REG_LABEL notes that
3782 reference a deleted label.
3783 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3784 before peeking at LABEL_NUSES.
3786 2001-05-15 Richard Henderson <rth@redhat.com>
3788 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3789 (_Unwind_GetTextRelBase): New.
3791 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3793 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3795 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3797 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3798 so that CHOOSE_SECTION gets used.
3800 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3801 TARGET_RELOCATABLE like flag_pic for now.
3803 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3805 * rs6000.md (movdi splitter): Sign extend more efficiently.
3806 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3807 to "long long" valid on 32-bit and 64-bit hosts.
3808 (logical_operand): Cast trunc_int_for_mode return value.
3809 (rs6000_emit_move): Shift macro to encapsulate variable.
3810 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3811 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3812 plus_constant requires signed argument.
3814 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3816 * gthr-posix.h: Make additional pthread-* functions weak.
3818 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3820 * recog.c (apply_change_group): Avoid unneeded validating.
3822 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3824 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3825 (num_insns_constant): CONST_INT can be 64-bits.
3827 2001-05-14 Stan Shebs <shebs@apple.com>
3829 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3830 (LIBGCC_SPEC): Don't define.
3832 2001-05-14 Richard Henderson <rth@redhat.com>
3834 * configure.in (gcc_cv_as_eh_frame): New test.
3835 * config.in, configure: Rebuild.
3836 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3838 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3840 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3841 extended precision divide.
3843 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3845 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3846 for RETURNS as well.
3848 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3850 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3851 (CPP_CPU??_SIZE_TYPE): New.
3852 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3853 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3854 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3855 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3857 * i386.c (override_options): Add sorry about not suported modes.
3859 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3861 * config/pa/som.h (NM_FLAGS): Remove.
3862 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3863 (ASM_OUTPUT_SECTION_NAME): Remove.
3864 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3866 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3868 * regrename.c (regrename_optimize): Do not rename registers to
3871 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3873 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3874 contain MEMs. Remove useless distinction about clobbering
3877 2001-05-13 Geoff Keating <geoffk@redhat.com>
3879 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3880 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3881 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3882 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3883 (EXCEPTION_SECTION): Define.
3885 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3887 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3888 binary backward compat only.
3889 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3890 in LIB2FUNCS. Pass it to mklibgcc.
3891 * mklibgcc.in: Handle LIB2FUNCS_ST.
3893 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3895 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3897 * tm.texi (THREAD_MODEL_SPEC): Document it.
3898 * gcc.c (main): Use it.
3899 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3900 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3902 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3904 * rtl.h (SYMBOL_REF_WEAK): New macro.
3905 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3906 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3907 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3908 * gcc.texi: Remove wrong description.
3910 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3912 * Makefile.in (STAMP): New macro.
3913 Replace all uses of `touch' with $(STAMP).
3914 * fixinc/Makefile.in: Likewise.
3916 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3918 * configure.in: ldopen is never in -lexc, so don't test for it.
3919 Add test for exc_resume in -lexc for Ada.
3920 * configure: Regenerated.
3922 2001-05-12 Richard Henderson <rth@redhat.com>
3924 * dwarf2asm.c (size_of_encoded_value): New function.
3925 * dwarf2asm.h: Declare it.
3926 * except.c (output_function_exception_table): Align the TType
3927 array only as wide as the encoding.
3929 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3931 * extend.texi: Document #pragma GCC java_exceptions.
3933 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3935 * c-parse.in (bison parser, init_reswords): Remove uses of
3937 * c-tree.h (doing_objc_thang): Remove.
3939 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3941 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3942 about files not ending in newlines.
3944 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3946 * dwarfout.c (dwarfout_init): Add cast.
3947 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3948 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3950 * method.c (build_mangled_C99_name): Remove unused prototype.
3952 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3954 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3956 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3958 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3959 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3961 2001-05-11 Richard Henderson <rth@redhat.com>
3963 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3964 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3965 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3966 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3967 (dw2_output_indirect_constants): Prototype.
3968 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3969 current_function_func_begin_label if we'll need it for EH. Exit
3970 early for IA64_UNWIND_INFO.
3971 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3972 (eh_data_format_name): Update for indirect references.
3973 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3974 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3975 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3976 define HAVE_eh_return etc.
3977 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3978 (final_end_function): Don't call output_function_exception_table.
3979 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3980 (rest_of_compilation): Invoke output_function_exception_table
3981 for ia64 before assemble_end_function.
3982 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3983 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3985 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3986 * unwind.h: Declare them.
3987 * libgcc-std.ver: Export them.
3988 * unwind-pe.h: New file.
3990 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3992 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3994 (find_fde_for_dso): Extract DT_PLTGOT.
3995 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3996 the segment and gp as well.
3997 * config/ia64/frame-ia64.c: Remove file.
3998 * config/ia64/frame-ia64.h: Remove file.
3999 * config/ia64/unwind-ia64.c: New file.
4000 * config/ia64/unwind-ia64.h: New file.
4001 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
4002 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
4003 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
4004 (ASM_PREFERRED_EH_DATA_FORMAT): New.
4005 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
4006 (IA64_UNWIND_INFO): Re-enable.
4007 (HANDLER_SECTION): Remove.
4008 (EH_RETURN_DATA_REGNO): New.
4009 * config/ia64/ia64.md (exception_receiver): Remove.
4010 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
4011 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
4013 2001-05-11 Richard Henderson <rth@redhat.com>
4015 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
4016 calls and jumps to be bundled together.
4017 (ia64_reorg): Emit a break after a noreturn call that ends
4019 * config/ia64/ia64.md (break_f): New.
4021 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
4023 * c-lex.c (lex_charconst): Convert into a simple wrapper
4024 around cpp_interpret_charconst, to which most of the code
4026 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
4027 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
4028 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
4029 (lex): Use cpp_interpret_charconst.
4030 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
4031 hex_digit_value): New functions.
4032 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
4033 * cpplib.h (cpp_interpret_charconst): New prototype.
4034 * Makefile.in: Update.
4036 2001-05-12 Dean Wakerley <dean@wakerley.com>
4038 * doc/install.texi: New file. Converted to texinfo from the HTML
4039 documentation in wwwdocs/htdocs/install.
4041 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
4043 * gcse.c (insert_insn_end_bb): Do not search for assignments to
4044 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4046 * toplev.c (compile_file): Move comment for opening output
4047 file to just before the code that opens the output file.
4049 2001-05-11 Jakub Jelinek <jakub@redhat.com>
4051 * regmove.c (regmove_optimize): Suppress the optimization for
4052 unchanging destination register. Add comment above function.
4054 2001-05-11 Zack Weinberg <zackw@stanford.edu>
4056 * Makefile.in: Exterminate all references to assert.h.
4057 * cross-make: Likewise.
4059 * configure.in: Correct commentary.
4060 * configure: Regenerate.
4062 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
4065 * config/t-freebsd, config/t-linux, config/t-linux-aout,
4066 config/t-netbsd, config/t-rtems, config/x-linux,
4067 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
4068 No need to override INSTALL_ASSERT_H.
4070 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
4071 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
4072 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
4074 2001-05-11 Graham Stott <grahams@redhat.com>
4076 * combine.c (simplify_comparison): Fix typo.
4078 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4080 * loop.h (struct movables): Remove `num'.
4081 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
4082 Adjust call to strength_reduce.
4083 (num_unmoved_movables): New function.
4084 (move_movables): Don't set movables->num.
4085 (strength_reduce): Compute the number of instructions in the loop
4086 here, rather than in the caller.
4087 (check_dbra_loop): Always clear reversible_mem_store if there
4088 are any memory sets.
4089 (loop_regs_scan): Don't count instructions here.
4090 (count_insn_in_loop): New function.
4092 2001-05-11 Mark Mitchell <mark@codesourcery.com>
4094 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
4096 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
4098 * c-common.c (finish_label_expr): New function, lifted from
4099 from cp/semantics.c.
4100 * c-common.h (finish_label_expr, lookup_label): New prototypes.
4101 * c-parse.in: Move 3 blocks of parser code into new functions.
4102 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
4103 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
4104 (lookup_label): Remove.
4106 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
4108 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
4109 FLOAT_BIT_ORDER_MISMATCH.
4111 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4113 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
4114 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
4116 2001-05-10 David Edelsohn <edelsohn@gnu.org>
4118 * expr.c (emit_group_load): extract_bit_field requires a REG or
4121 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
4123 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
4124 a computed jump into an unconditional jump.
4125 In second hunk of code for collapsing computed and conditional jumps
4126 into unconditional jumps, reemit the jump in additional cases.
4128 * jump.c (jump_optimize_1): Do not wrap the new jump target
4129 inside a LABEL_REF; gen_jump will do that automatically.
4131 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
4133 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
4134 contents for a SYMBOL_REF in case of floating point constants.
4136 2001-05-10 DJ Delorie <dj@redhat.com>
4138 * c-common.c (combine_strings): Widen strings in a
4139 host-endian-independent way.
4141 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
4143 * c-parse.in: Remove many shift/reduce conflicts. Update
4145 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4146 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4147 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4148 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4149 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4150 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4151 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4152 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
4153 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
4154 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
4155 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
4156 typespec_reserved_nonattr, typespec_reserved_attr,
4157 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
4158 structsp_nonattr, components_notype, component_notype_declarator,
4159 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
4160 firstparm, setspecs_fp): New
4161 (typed_declspecs, reserved_declspecs, typed_typespecs,
4162 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
4163 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
4164 declmods_no_prefix_attr, nonempty_type_quals, structsp,
4165 type_quals): Remove. Users updated.
4166 (initdecls, notype_initdecls, after_type_declarator,
4167 parm_declarator, notype_declarator, absdcl1, components, ivars):
4168 Don't allow attributes at the start of a declarator; include them
4169 in the production containing the declarator instead. Always
4170 require type specifiers before trying to redeclare a typedef name.
4171 (typename): Allow for attributes but warn that they are ignored.
4172 (parmlist, firstparm, setspecs_fp): Include attributes in
4173 parmlist; suck them off the parser stack in firstparm using
4176 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
4178 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
4179 to determine if a block has an unconditional jump at its end.
4181 * jump.c (jump_optimize_1): When converting a conditional jump
4182 to an unconditional jump, build the jump using gen_jump instead
4183 of just modify operands in-place.
4185 2001-05-09 Zack Weinberg <zackw@stanford.edu>
4187 * cppinit.c (cpp_post_options): Shut off macro expansion if
4189 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
4190 IN_I directives only if the # is in column 1 and the directive
4191 name begins in column 2.
4192 * cppmain.c (scan_buffer): Insert a space between # and an
4193 identifier, when that identifier is a directive name.
4195 * tradcpp.c (struct file_buf): Add a pointer to the next entry
4196 in the header search path.
4197 (enum node_type): Add T_INCLUDE_NEXT.
4198 (directive_table): Add entry for include_next.
4199 (do_include_next): New function.
4200 (process_include): New routine, broken out of do_include.
4201 (finclude): Insert 'nhd' argument, to be copied into
4202 next_header_dir of the new buffer.
4203 (main): Adjust to match.
4204 * gsyslimits.h, limity.h: Un-indent #include_next.
4206 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
4208 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
4209 inclusion as a chapter of the GCC manual.
4210 * gcc.texi: Include objc.texi.
4211 * fdl.texi: Use @unnumberedsec for the addendum.
4212 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
4214 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4216 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
4218 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
4220 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
4221 handling of two-address insns.
4223 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
4225 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
4226 ../binutils/nm-new instead of ../binutils/nm.
4228 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
4230 * i386.md (movdi splitter): Fix the splitting condition
4231 (float_extenddftf splitter): Fix mode.
4233 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
4235 * genrecog.c (write_switch): Avoid outputting of switch for
4236 types wider than int.
4238 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
4240 * reload1.c (copy_eh_notes): New function.
4241 (emit_input_reload_insns): Call it.
4242 (emit_output_reload_insns): Call it.
4244 2001-05-07 Zack Weinberg <zackw@stanford.edu>
4246 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
4248 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
4249 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
4251 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
4253 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
4255 * pa.md (interspace_jump): Revise comment.
4256 (builtin_longjmp): Block initial setup insns from delay slot of
4258 (builtin_setjmp_receiver): New expander to save and restore PIC
4261 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
4263 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
4265 * toplev.c (compile_file): Set up the output file before we call
4266 the various initializers for the compiler.
4268 * except.c (sjlj_mark_call_sites): Do not search for assignments to
4269 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
4271 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
4272 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
4274 2001-05-06 Zack Weinberg <zackw@stanford.edu>
4276 * Makefile.in (tradcpp0): Correct typo in dependency list.
4278 2001-05-06 Geoff Keating <geoffk@redhat.com>
4280 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
4281 the link register if we're not going to use it.
4283 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
4284 (output_function_profiler): Likewise.
4286 2001-05-07 Alan Modra <amodra@one.net.au>
4288 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
4290 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
4292 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
4293 zero-extend it. Make abs_inc unsigned.
4295 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
4296 widest mode in narrowing and widening operations.
4298 * config/mips/mips.md: Sign extend CONST_INTs.
4300 2001-05-06 Andreas Jaeger <aj@suse.de>
4302 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
4303 (i386 Options): Document -momit-leaf-frame-pointer.
4305 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
4307 * c-typeck.c (internal_build_compound_expr): Check for
4308 array to pointer conversion just once.
4310 2001-05-05 Richard Henderson <rth@redhat.com>
4312 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
4314 2001-05-05 Richard Henderson <rth@redhat.com>
4316 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
4317 to the parent of the fixup region.
4319 2001-05-05 Jakub Jelinek <jakub@redhat.com>
4321 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
4323 * cpp.texi (__NO_INLINE): Document it.
4325 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
4327 * cppfiles.c (struct include_file): New member err_no.
4328 (find_or_create_entry): Set it.
4329 (open_file): Don't set fds to -2. Instead, use err_no to
4330 remember previous errors, if any.
4332 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4334 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
4335 between X and Y by using sequences of xgdx and xgdy.
4337 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4339 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
4340 of '!' for the 'D' alternative ('!' is too strong).
4341 ("*logicalsi3_silshl16"): Likewise.
4342 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
4343 ("movstrictsi"): Remove spurious '+'.
4344 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
4345 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
4346 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
4349 2001-05-04 David Edelsohn <edelsohn@gnu.org>
4351 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
4353 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
4355 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
4358 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4360 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
4363 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4365 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
4366 soft register, use ror instead of rol.
4368 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4370 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
4371 into account pre/post increment decrement for 68HC12.
4372 Fix other problems in replacement and fix call to reg_mentioned_p.
4374 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4376 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
4377 Put the soft registers in bss for 68HC12.
4378 (L_regs_d3_4): New for _.d3 and _.d4.
4379 (L_regs_d5_6): Likewise.
4380 (L_regs_d1_2): Likewise.
4381 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
4383 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4385 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
4386 to the pre-processor when -fshort-double is specified.
4387 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
4389 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4391 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
4392 (__mulsi3): Rewrite for 68HC12.
4393 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
4394 Mark 'x' constraint with earlyclobber to prevent a
4395 RELOAD_FOR_OTHER_ADDRESS to go in it.
4396 (mulhi3_m68hc12): New pattern.
4397 (mulhi3_m68hc11): Rename of mulhi3.
4398 (mulhi3): New expand for 68HC12 optimisation.
4399 (umulhisi3, mulhisi3): New patterns for 68HC12.
4401 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4403 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
4404 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
4405 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
4407 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4409 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
4410 constants cheap after reload.
4411 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
4413 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
4414 so that gcc prefers a shift by 16.
4415 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
4417 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
4419 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
4421 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4423 * alpha.h: NULL_PTR -> NULL.
4430 * i386.md: Likewise.
4433 * m68hc11.h: Likewise.
4434 * rs6000.h: Likewise.
4437 * sparc.h: Likewise.
4441 * final.c: Likewise.
4443 * recog.c: Likewise.
4445 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
4448 `bool' parameter to `int'.
4450 * hash.c (hash_lookup): Likewise.
4452 * hash.h (hash_lookup): Likewise.
4454 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
4456 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4458 * i386.c (x86_initialize_trampoline): Fix mode of constant.
4460 2001-05-03 Geoff Keating <geoffk@redhat.com>
4462 * invoke.texi (i386 Options): Delete references to -malign-jumps,
4463 -malign-loops, -malign-functions.
4464 * i386.c (ix86_align_funcs): Delete.
4465 (ix86_align_loops): Delete.
4466 (ix86_align_jumps): Delete.
4467 (override_options): Mark -malign-* as obsolete. Emulate their
4468 behaviour with the -falign-* options. Default -falign-* from
4469 the processor table.
4470 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
4471 patch of Wed May 2 13:09:36 2001.
4472 (LOOP_ALIGN): Delete.
4473 (LOOP_ALIGN_MAX_SKIP): Delete.
4474 (LABEL_ALIGN_AFTER_BARRIER): Delete.
4475 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
4477 2001-05-04 Andreas Jaeger <aj@suse.de>
4479 * except.h: Add prototype declaration for
4480 expand_builtin_init_dwarf_reg_sizes.
4482 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
4484 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
4486 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4488 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
4490 ("bitcmpqi2"): New pattern for bit-extract and test.
4491 ("bitcmphi"): New pattern for bitb/bita instructions.
4493 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
4495 * gccbug.in: Use a temporary directory when the mktemp command is
4498 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4500 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
4502 (INITIALIZE_TRAMPOLINE): Call it.
4503 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
4504 (TRAMPOLINE_TEMPLATE): Remove.
4505 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
4506 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
4509 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4511 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
4512 and crtendS.o with PIC.
4514 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4516 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
4518 (___subdi3, ___adddi3): Use x instead of y as index register.
4519 (__init_bss_section, __map_data_section): Optimize for 68HC12.
4520 (__memset, __memcpy): Likewise.
4521 (regs): Put the soft registers in bss for 68HC12.
4522 (abort): Use trap to abort for 68hc12.
4523 (__mulhi3, __mulhi32): Use emul for 68hc12.
4524 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
4526 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4528 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
4529 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
4530 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
4531 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
4532 Set 68HC12 min offset to -65536.
4533 (print_operand): Put parenthesis arround the operand if it refers
4534 to a symbol having the same name as a register.
4535 (m68hc11_z_replacement): When z register is replaced by its
4536 equivalent soft register, force the insn to be re-recognized.
4537 (m68hc11_check_z_replacement): Fix the test when destination is
4538 the index register and z dies in the insn.
4539 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
4541 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4543 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
4544 costs according to processor variant.
4545 (m68hc11_shift_cost): New function to compute shift costs.
4546 (m68hc11_rtx_costs): Define costs according to processor variant.
4547 (m6811_cost): Costs for 68HC11.
4548 (m6812_cost): Costs for 68HC12.
4549 (COSTS_N_INSNS): Remove.
4551 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
4552 (DEFAULT_RTX_COSTS): Remove.
4553 (CONST_COSTS): Define costs according to OUTER_CODE.
4554 (processor_costs): New struct to define costs.
4555 (m68hc11_cost): Pointer to current costs.
4557 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4559 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
4560 and use m68hc11_notice_keep_cc when using leax/leay.
4561 (addhi3 split): Reject split if the insn is handled by
4563 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
4564 push must be handled in a special way if the source operand uses
4565 sp as index register.
4566 (m68hc11_notice_keep_cc): New function.
4567 (m68hc11_gen_movhi): Use it when an insn changes a register but
4569 (m68hc11_gen_movqi): Fix move for 68HC12.
4570 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
4572 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4574 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
4575 and don't pass operands[0] to emit_library_call_value.
4577 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4579 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
4580 (zero_extendsi split): Simplify and use (zero_extendhi).
4581 (*addhi3): Remove 'w' constraint since stack pointer is handled
4583 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
4584 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
4585 (*ashrhi3_const): Fix shift by 7.
4586 (*lshrsi3_const16): Fix template.
4587 (call, call_value): Fix constraint and predicate.
4589 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4591 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
4592 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
4593 (CC_REGNUM): Likewise.
4594 (*unnamed splits): Use above constants instead of hard coded numbers.
4595 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
4596 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
4597 (*return_16bit, *unnamed peepholes): Likewise.
4599 2001-05-03 David O'Brien <obrien@FreeBSD.org>
4601 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
4602 rs6000/rs6000.h twice.
4604 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
4606 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
4607 (CPP_SPEC): Conditionally define MSDOS and GO32.
4608 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
4609 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
4611 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
4613 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4615 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
4617 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4619 * integrate.h (struct inline_remap): Add leaf_reg_map table.
4620 * integrate.c (expand_inline_function): Use xcalloc to allocate
4622 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
4625 2001-05-03 Mark Mitchell <mark@codesourcery.com>
4627 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4630 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
4632 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4633 linker if -mrelax is given.
4634 (TARGET_SWITCHES): Document -mrelax.
4636 Re-installed 2001-01-09's patch:
4637 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4638 if it's wider than long and the target's long is wider than the
4641 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4643 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4644 directly include rs6000/rs6000.h. Instead do it in tm.h.
4646 2001-05-02 Stan Shebs <shebs@apple.com>
4648 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4649 NSConstantString for NeXT-style runtimes.
4650 (STRING_OBJECT_GLOBAL_NAME): New macro.
4651 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4652 OCTI_STRING_CLASS_DECL.
4653 (constant_string_global_id): New macro.
4654 (string_class_decl): Ditto.
4655 (setup_string_decl): New function.
4656 (build_objc_string_object): Use it to build a NeXT runtime
4657 compatible string initializer.
4659 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4661 * tradcpp.c (do_define): Make sure we don't walk past limit.
4663 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4665 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4666 offsets if not REG_OK_STRICT.
4668 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4669 (INT_REG_OK_FOR_INDEX_P): Likewise.
4670 (INT_REG_OK_FOR_BASE_P): Likewise.
4671 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4672 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4673 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4674 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4675 REG_OK_FOR_BASE_P. Take an additional parameter.
4676 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4677 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4678 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4679 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4680 rs6000_legitimate_address() and use it.
4681 * config/rs6000/rs6000.c: Update all callers.
4682 (rs6000_legitimate_address): New function.
4684 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4686 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4687 special_constant conditional blocks together.
4689 2001-05-02 Dale Johannesen <dalej@apple.com>
4691 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4693 (STRICT_ARGUMENT_NAMING): Define.
4694 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4695 function_arg_partial_nregs, setup_incoming_varargs): Remove
4696 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4699 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4701 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4703 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4706 * expr.c (store_field): Do nothing except elaborate side-effects if
4709 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4711 * c-lex.c: NULL_PTR -> NULL.
4713 * emit-rtl.c: Likewise.
4715 * genpeep.c: Likewise.
4717 * mips-tdump.c: Likewise.
4718 * reload1.c: Likewise.
4719 * rtlanal.c: Likewise.
4721 * stor-layout.c: Likewise.
4722 * toplev.c: Likewise.
4724 2001-05-01 Per Bothner <per@bothner.com>
4726 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4727 call do_pending_stack_adjust before emiting label.
4729 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4731 * extend.texi: Fix typo.
4733 2001-05-01 Stan Shebs <shebs@apple.com>
4735 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4736 of UOBJC_MODULES_decl.
4737 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4738 (generate_descriptor_table): Ditto.
4739 (generate_protocols): Ditto.
4740 (generate_protocol_list): Ditto.
4741 (generate_classref_translation_entry): Ditto.
4743 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4745 * invoke.texi (Optimize Options): Add documentation for `--param
4746 max-delay-slot-insn-search' and `--param
4747 max-delay-slot-live-search' and reorder --param section.
4748 * params.def: Modify initial comment.
4749 * params.h (param_info): Add `help' member.
4750 * toplev.c (lang_independent_params): Include `help' description.
4751 (display_help): Print --param parameters.
4753 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4755 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4756 Remove references to deleted files.
4757 (*-*-openbsd): No need to override xmake_file.
4758 (*-*-sysv4): Treat like *-*-sysv.
4760 * configure.in: Probe for ldopen in various places, and set up
4761 collect2 to be linked with them if found.
4762 Don't dink with Windows registry stuff unless $host_os is a
4763 Win32 os name. Check to see if we need -ladvapi32.
4764 * configure: Regenerate.
4766 * Makefile: Get rid of CLIB and HOST_CLIB.
4767 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4768 * build-make: Get rid of HOST_CLIB.
4770 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4771 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4772 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4773 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4774 config/rs6000/x-rs6000: Delete.
4776 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4779 24 x-host fragments remain, 0 x-cpu, 3 top level.
4781 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4783 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4784 * configure: Regenerate.
4786 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4788 * Makefile.in (install-headers): Remove redundant dependency.
4790 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4792 * c-tree.texi (USING_STMT): Document.
4794 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4796 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4797 * c-common.c: Likewise.
4798 * c-decl.c: Likewise.
4799 * combine.c: Likewise.
4800 * rs6000.c: Likewise.
4801 * except.c: Likewise.
4802 * explow.c: Likewise.
4804 * fold-const.c: Likewise.
4805 * function.c: Likewise.
4808 * integrate.c: Likewise.
4810 * objc/objc-act.c: Likewise.
4811 * recog.c: Likewise.
4812 * reg-stack.c: Likewise.
4813 * reload.c: Likewise.
4814 * reload1.c: Likewise.
4815 * simplify-rtx.c: Likewise.
4817 * varasm.c: Likewise.
4819 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4821 * diagnostic.def: New file.
4822 * diagnostic.h (diagnostic_t): New enum.
4823 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4825 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4827 * tsystem.h: Test only POSIX for availability of string.h
4829 * config.gcc (all systems): If USG appeared in xm_defines,
4830 change it to POSIX. If both USG and POSIX appeared, just
4831 delete USG. Remove unnecessary quotes around xm_defines
4833 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4834 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4835 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4836 powerpc-*-linux*): No need to set xm_defines - handled by
4837 global settings for *-*-linux*.
4839 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4841 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4842 Always include gstab.h, not system stab.h. Don't provide
4843 default definitions of N_CATCH or N_OPT. Always use the
4844 gstab.h variant of STAB_CODE_TYPE.
4845 * final.c: Don't include stab.h/gstab.h at all, or provide
4846 defaults for N_SLINE and N_SOL.
4848 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4849 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4851 * sdbout.c: Always include gsyms.h instead of system syms.h.
4853 * configure.in: No need to check for stab.h.
4854 * configure, config.in: Regenerate.
4855 * Makefile.in (final.o): Don't depend on gstab.h.
4857 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4858 Richard Henderson <rth@redhat.com>
4860 * extend.texi: Improve documentation of volatile asms.
4862 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4864 * c-tree.texi: Fix thinko.
4865 * gcc.texi: Likewise.
4867 2001-04-30 Richard Henderson <rth@redhat.com>
4869 * c-common.c (c_promoting_integer_type_p): New function, from the
4870 corpse of old macro. Properly promote too-small enumerations and
4871 booleans. Adjust all callers.
4872 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4873 (c_promoting_integer_type_p): Declare.
4874 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4875 * c-typeck.c: Likewise.
4876 (default_conversion): Remove now redundant boolean check.
4878 2001-04-30 Jan Hubicka <jh@suse.cz>
4879 Richard Henderson <rth@redhat.com>
4881 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4883 (combine_stack_adjustments_for_block): Don't combine stack
4884 allocation followed by deallocations. Handle grow-up stacks.
4886 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4888 * fdl.texi: New file.
4889 * c-tree.texi: Use the GFDL.
4890 * gcc.texi: Likewise.
4892 2001-04-30 Stan Shebs <shebs@apple.com>
4894 * invoke.texi: Add a section documenting Objective-C options.
4896 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4898 * emit-rtl.c (try_split): Copy EH notes to sequence.
4900 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4902 * regmove.c (record_stack_memrefs): Catch all references to the
4905 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4907 * Makefile.in (stmp-fixinc): quote shell assignment values
4909 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4911 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4915 * prefix.c: Likewise.
4917 2001-04-28 Stan Shebs <shebs@apple.com>
4919 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4920 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4921 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4922 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4924 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4925 (NEXT_OBJC_RUNTIME): Define.
4927 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4929 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4930 * simplify-rtx.c (simplify_gen_relational): Likewise.
4932 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4934 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4935 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4937 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4938 registers in SSE case; fix handling of the immediates.
4939 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4940 operands to be in regsiters before reload.
4941 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4942 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4943 (abstf,absxf,negtf,negxf splitters): Compute
4944 properly the regnum for x86_64.
4945 (avsdf2_if_rex64): New.
4947 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4949 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4950 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4951 into the constant pool.
4952 * jump.c (jump_optimize_1): Remove barrier successors after all
4953 the LABEL_NUSES counds have been computed.
4954 (delete_barrier_successors): When deleting a tablejump insn, also
4955 delete the jump table it uses.
4956 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4959 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4961 * pa.c (FRP): Remove erroneous white space in macro definition.
4963 2001-04-28 Andreas Jaeger <aj@suse.de>
4965 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4967 * extend.texi: Likewise.
4968 * tm.texi: Likewise.
4970 2001-04-28 Andreas Jaeger <aj@suse.de>
4972 * md.texi: Use XX-bit instead of XXbit or XX bit where
4975 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4977 * gcc.c (process_command): Allow -l lib in addition to -llib
4978 for POSIX compliance. This fixes PR c/2347.
4980 * invoke.texi: Update section on Link Options accordingly.
4982 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4984 * function.c (purge_addressof_1): Remove the duplicate
4985 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4988 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4990 * except.c (expand_eh_region_start): Don't start a new block.
4991 (expand_eh_region_end): Don't end a block.
4992 * stmt.c (expand_end_bindings): Don't end EH blocks.
4993 (expand_decl_cleanup): Starting an EH region won't change the block.
4994 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4995 (is_eh_region): Lose.
4998 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
5000 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
5002 * collect2.c (main): Add `-L' case to remove duplicate entries.
5003 (is_in_args): New function to check for a duplicate argument.
5004 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
5005 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
5006 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
5007 Define to be nonzero.
5009 2001-04-27 Andreas Jaeger <aj@suse.de>
5010 Richard Henderson <rth@redhat.com>
5012 * md.texi (Machine Constraints): Document additional i386
5013 constraints and fix description of "A".
5015 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
5017 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
5019 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
5021 * except.c (get_exception_filter): word_mode, not Pmode.
5023 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
5025 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
5026 common to other movsf patterns. Move up so that in future
5027 people who change the other patterns will change it too.
5028 (movsf_lo_sum): Allow even for soft-float; add appropriate
5030 (movsf_high): Likewise.
5031 (movsf_high+1): Allow even for soft-float.
5033 * function.c (expand_function_end): Always clobber the
5034 return registers, even if there is no return label.
5036 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5038 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
5040 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
5042 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
5043 (pushqi2_rex64, pushhi2_rex64): Add.
5045 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
5047 * except.c (expand_eh_region_end_cleanup): Force pending stack
5048 adjust before emitting label that branches around cleanup code.
5050 2001-04-26 H.J. Lu (hjl@gnu.org)
5052 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
5054 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
5056 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
5057 (ASM_OUTPUT_SECTION_NAME): Likewise.
5058 (ASM_WEAKEN_LABEL): Likewise.
5059 (UNIQUE_SECTION): Likewise.
5060 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5061 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5062 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
5063 (ASM_OUTPUT_SECTION_NAME): Likewise.
5064 (ASM_WEAKEN_LABEL): Likewise.
5065 (UNIQUE_SECTION): Likewise.
5066 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
5067 (ASM_OUTPUT_DESTRUCTOR): Likewise.
5068 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
5069 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
5070 (ASM_FILE_START): Likewise.
5071 (ASM_OUTPUT_SOURCE_LINE): Likewise.
5072 (ASM_DECLARE_OBJECT_NAME): Likewise.
5073 (ASM_FILE_END): Likewise.
5074 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5075 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5076 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5077 (ASM_OUTPUT_CASE_LABEL): Likewise.
5078 (ASM_OUTPUT_SKIP): Likewise.
5079 (ASM_OUTPUT_ASCII): Likewise.
5080 (ASM_OUTPUT_IDENT): Likewise.
5081 (READONLY_DATA_SECTION): Likewise.
5082 (EXTRA_SECTIONS): Likewise.
5083 (EXTRA_SECTION_FUNCTIONS): Likewise.
5084 (SELECT_RTX_SECTION): Likewise.
5085 (SELECT_SECTION): Likewise.
5087 * config/mips/linux.h (INVOKE__main): Undefine.
5088 (CTOR_LIST_BEGIN): Likewise.
5089 (CTOR_LIST_END): Likewise.
5090 (DTOR_LIST_BEGIN): Likewise.
5091 (DTOR_LIST_END): Likewise.
5092 (SET_ASM_OP): Defined it to ".dummy".
5093 (ASM_OUTPUT_DEF): Defined.
5094 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
5096 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
5098 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
5099 assembler supports .p2align.
5101 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
5103 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
5105 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5107 * integrate.c (expand_inline_function): Check for error_mark_node
5110 2001-04-26 Jakub Jelinek <jakub@redhat.com>
5112 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
5115 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
5117 * configure.in (configargs.h): Define thread_model.
5118 * configure: Rebuilt.
5119 * gcc.c (main): Print it with -v.
5121 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
5123 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
5124 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
5125 * gcc.1: Regenerate.
5127 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5129 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
5130 is_redundant_typedef): Use static inline instead of inline static.
5132 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
5134 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
5135 this directory is always searched.
5137 2001-04-25 Richard Henderson <rth@redhat.com>
5139 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
5140 of registers to restore along non eh_return path.
5142 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5144 * c-format.c (check_format_info_recurse): Handle
5145 PLUS_EXPR for format string.
5147 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5149 * config/ia64/ia64.h (CC1_SPEC): Define.
5150 * config/ia64/linux.h (CC1_SPEC): Define.
5152 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
5154 * emit-rtl.c (constant_subword): Also do sign extension in
5155 BITS_PER_WORD == 16 case.
5157 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
5159 * loop.c (try_swap_copy_prop): Go back to checking insn.
5161 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5163 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
5164 if check_mode is non-zero.
5166 2001-04-25 Jakub Jelinek <jakub@redhat.com>
5168 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
5169 out and comparison sequence has been detected, put result into
5170 proper temporary pseudo.
5172 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5174 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
5175 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
5176 * libgcc2.c: Remove __dummy and __builtin_saveregs.
5177 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
5178 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
5179 for future reference.
5181 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
5183 * except.c (reachable_handlers): Step out one level from a RESX.
5185 * except.c (struct eh_region): Rename 'last' to 'resume'.
5186 (mark_eh_region, duplicate_eh_region_1): Adjust.
5187 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
5188 (build_post_landing_pads): Likewise.
5189 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
5190 (expand_eh_region_end_must_not_throw): Likewise.
5191 (connect_post_landing_pads): Thread (only) regions with non-deleted
5194 * except.c (expand_eh_region_end_cleanup): Save the EH return data
5195 registers around the cleanup.
5196 (get_exception_filter): New fn.
5197 (finish_eh_generation): Use it.
5199 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
5201 * c-semantics.c (add_scope_stmt): Don't call
5202 current_scope_stmt_stack multiple times.
5204 2001-04-24 Zack Weinberg <zackw@stanford.edu>
5205 Nathan Sidwell <nathan@codesourcery.com>
5207 Lazy __FUNCTION__ generation.
5208 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
5209 RID_C99_FUNCTION_NAME): New _RIDs.
5210 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
5211 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
5212 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
5214 (function_id_node, pretty_function_id_node, func_id_node): Remove.
5215 (c99_function_name_decl_node, function_name_decl_node,
5216 pretty_function_name_decl_node, saved_function_name_decls):
5218 (struct language_function): Remove x_function_name_declared_p.
5219 (make_fname_decl): Remove a parameter.
5220 (declare_function_names): Remove prototype.
5221 (start_fname_decls, finish_fname_decls): Prototype.
5222 (fname_as_string): Likewise.
5223 (fname_string, fname_decl): Likewise.
5224 * c-common.c (make_fname_decl): Adjust.
5225 (struct fname_var_t): New struct.
5226 (fname_vars): New static array.
5227 (declare_function_name): Remove.
5228 (start_fname_decls, finish_fname_decls): New functions.
5229 (fname_as_string): New function from remnants of
5230 declare_function_name.
5231 (fname_string, fname_decl): New functions.
5233 * c-decl.c (c_function_name_declared_p): Remove.
5234 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
5235 don't call declare_function_name. Call start_fname_decls.
5236 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
5237 clobber the line number. Call finish_decl.
5238 (start_function): Call start_fname_decls.
5239 (finish_function): Call finish_fname_decls.
5240 Remove c_function_name_declared_p.
5241 (push_c_function_context): Don't push c_function_name_declared_p.
5242 (pop_c_function_context): Don't pop c_function_name_declared_p.
5243 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
5244 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
5245 (program): Call finish_fname_decls for C.
5246 (primary): Add VAR_FUNC_NAME.
5247 (reswords): Add slots for __FUNCTION__ et al.
5248 (rid_to_yy): Add mappings for __FUNCTION__ et al.
5249 (yylexname): If it's a STRING_FUNC_NAME generate the function name
5250 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
5251 * c-semantics.c (prune_unused_decls): Remove.
5252 (finish_stmt_tree): Don't call prune_unused_decls.
5253 (genrtl_decl_stmt): Don't prune unused decls here.
5255 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
5257 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
5258 constant pool, use the pool's SYMBOL_REF instead.
5260 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
5263 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
5265 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
5266 passing nested NOP_EXPRs to fold.
5268 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
5270 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
5272 2001-04-22 Mark Mitchell <mark@codesourcery.com>
5274 * loop.c (loop_delete_insns): Add prototype.
5276 2001-04-23 Phil Edwards <pme@sources.redhat.com>
5278 * configure.in: Remove ENABLE_STD_NAMESPACE.
5279 * config.in: Regenerated.
5280 * configure: Regenerated.
5282 2001-04-22 Stan Shebs <shebs@apple.com>
5284 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
5286 * config/rs6000/xm-darwin.h: Remove file.
5288 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5290 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
5291 (write_c_file_stat): Likewise.
5293 * dbxout.c (dbxout_init): Likewise.
5295 * profile.c (output_func_start_profiler): Likewise.
5297 2001-04-22 Philipp Thomas <pthomas@suse.de>
5299 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
5300 require it instead of the CVS version.
5301 * cpperror.c (v_message): Put a blank before the macro
5302 body to not confuse exgettext.
5304 2001-04-21 Mark Mitchell <mark@codesourcery.com>
5306 * flow.c (proagate_one_insn): Remove useless assignment.
5307 * jump.c (delete_insn): Tidy.
5308 * loop.c (try_copy_prop): When deleting an instruction with a
5309 REG_RETVAL note, delete the entire libcall sequence.
5310 (loop_delete_insns): New function.
5311 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
5312 we're not substituting into them yet.
5314 2001-04-21 Kazu Hirata <kazu@hxi.com>
5316 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
5318 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
5320 * config/i960/i960.c (signed_arith_operand): Likewise.
5322 * calls.c (expand_call): Fix a comment typo.
5324 2001-04-20 Zack Weinberg <zackw@stanford.edu>
5326 * configure.in: Probe for times, clock, struct tms, and clock_t.
5327 * configure, config.in: Regenerate.
5328 * timevar.c: Replace ifdef forest in get_time with (relatively)
5329 straightforward series of checks based on autoconf's probes.
5331 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
5333 * config/pa/som.h (NM_FLAGS): Define.
5335 2001-04-20 Bernd Schmidt <bernds@redhat.com>
5337 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
5339 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
5340 * ia64.c (nop_cycles_until): New function.
5341 (prev_cycle, prev_first, last_issued): New static variables.
5342 (ia64_sched_reorder): Additional arg for clock.
5343 On final scheduling pass, emit extra NOPs as needed.
5344 Set prev_first and prev_cycle.
5345 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
5346 (ia64_variable_issue): Set last_issued.
5348 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
5350 * config/i386/i386.c (ix86_expand_int_movcc,
5351 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
5353 2001-04-20 Geoff Keating <geoffk@redhat.com>
5355 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
5356 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
5357 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
5358 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
5359 ctrdi_internal6): In the short-branch case, this insn is only 4
5360 bytes long. Reported by Reza Yazdani <reza@apple.com>.
5362 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5364 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
5365 "=u" is used together with "st" resp. "st(1)" clobber.
5367 2001-04-20 Jakub Jelinek <jakub@redhat.com>
5369 * gcse.c (gcse_main): Fix comment typo.
5370 (delete_null_pointer_check): Likewise.
5371 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
5372 * cse.c (cse_insn): Likewise.
5373 * function.c (fixup_var_refs_insns_with_hash): The sequence is
5376 2001-04-19 Zack Weinberg <zackw@stanford.edu>
5378 * toplev.c: Excise all code for the undocumented -dm option.
5379 (float_signal): Call signal just once, unconditionally.
5381 2001-04-19 Geoff Keating <geoffk@redhat.com>
5383 * fold-const.c (fold): Use first_rtl_op rather than
5384 TREE_CODE_LENGTH when looping over parameters of a tree.
5385 Correct strange grouping in test for evaluated SAVE_EXPR.
5387 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
5389 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
5390 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
5392 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
5393 name at 32 total characters.
5394 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
5395 functions in named sections -- data items can still go into unique
5396 sections, but they have normal names (ie $LIT$ and $DATA$).
5398 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
5401 2001-04-19 DJ Delorie <dj@redhat.com>
5403 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5404 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
5405 * config/i386/cygwin.h: Likewise.
5406 * config/i386/mingw32.h: Likewise.
5407 * config/vax/vms.h: Likewise.
5408 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
5410 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
5411 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
5412 * config/i386/xm-cygwin.h: Likewise.
5413 * config/i386/xm-djgpp.h: Likewise.
5414 * config/i386/xm-mingw32.h: Likewise.
5415 * config/vax/xm-vms.h: Likewise.
5417 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
5418 instead of OBJECT_SUFFIX.
5419 * collect2.c (find_a_file): Look for files matching the extension
5420 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
5421 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
5422 TARGET_EXECUTABLE_SUFFIX.
5423 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
5424 (make_relative_prefix): Likewise.
5425 (convert_filename): Use TARGET_ suffixes throughout. Remove
5427 (process_command): Likewise.
5428 (do_spec_1): Likewise.
5429 * java/lang.c (init_parse): Likewise.
5431 * gcc.texi : Document four new options matching the pattern
5432 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
5433 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
5434 documentation for NO_AUTO_EXE_SUFFIX.
5436 2001-04-19 Mark Mitchell <mark@codesourcery.com>
5438 * toplev.h (struct lang_hooks): Allow decode_option to indicate
5439 that language-independent processing should not be done.
5440 * toplev.c (main): Adjust accordingly.
5442 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
5443 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
5445 * mips.md (reload_outputdi): Require that operand0 be a
5448 2001-04-19 Jakub Jelinek <jakub@redhat.com>
5450 * invoke.texi (-Wshadow): Clarify.
5452 2001-04-18 Mark Mitchell <mark@codesourcery.com>
5454 * loop.c (load_mems): Examine all the instructions in the loop
5455 before concluding that all jumps branch to the first instruction
5458 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
5460 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
5462 2001-04-18 Jakub Jelinek <jakub@redhat.com>
5464 * cpp.texi (-Wwhite-space): Remove.
5465 (-Wall): -Wall does not imply -Wwhite-space.
5467 2001-04-17 Zack Weinberg <zackw@stanford.edu>
5469 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
5470 use it instead of blindly generating a .stabs.
5471 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
5473 * xcoffout.c: Don't bother defining default for N_CATCH.
5474 (UNKNOWN_STAB): Use internal_error.
5475 (stab_to_sclass): Remove now-unnecessary aborts.
5476 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
5478 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
5480 * jump.c (mark_all_labels): Canonicalize the tail recursion
5481 label attached to CALL_PLACEHOLDER insns.
5483 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5485 * output.h (dump_flow_info, free_basic_block_vars,
5486 which_alternative): Delete redundant prototypes.
5488 * rtl.h (bss_section): Likewise.
5490 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
5492 * dbxout.c (N_OPT): Define if not available from <stab.h>
5494 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
5496 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
5497 libraries and native K&R compilers.
5499 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5501 * c-typeck.c (convert_arguments): Don't check for width changes
5504 * invoke.texi (-Wtraditional): Update documentation.
5506 2001-04-16 Zack Weinberg <zackw@stanford.edu>
5508 * toplev.c (output_lang_identify): Delete.
5509 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
5510 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
5511 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
5512 after calling ASM_FILE_END.
5514 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
5515 Instead, unconditionally emit an N_OPT stab with string equal
5516 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
5518 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
5520 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
5521 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
5522 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
5523 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
5524 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
5525 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
5526 config/i370/i370.h, config/i386/beos-elf.h,
5527 config/i386/osf1elf.h, config/i386/osfrose.h,
5528 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
5529 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
5530 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
5531 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
5532 config/mips/iris6.h, config/mips/osfrose.h,
5533 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
5534 config/sparc/sp64-elf.h:
5535 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
5536 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
5538 * config/elfos.h, config/freebsd.h, config/linux.h,
5539 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
5540 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
5541 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
5542 of ASM_FILE_START which merely emit a .version directive. Delete
5543 definitions of ASM_FILE_END which merely emit an .ident directive.
5545 * config/avr/avr.h, config/vax/vax.h: Delete definition of
5546 ASM_IDENTIFY_GCC and move part of its logic into
5549 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
5550 config/sparc/linux-aout.h: Don't emit .version directive in
5553 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
5554 (output_file_start): Correct comment.
5556 * config/i386/osfrose.h: Don't emit trailing .ident directive.
5557 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
5559 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
5560 * config/rs6000/aix.h: Correct comment.
5562 * config/i386/i386afe.h: Delete.
5563 * config.gcc: Remove references to i386afe.h.
5565 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
5566 other macros deleted by this patch were undocumented.
5568 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
5570 * pa.md (reload_outdi): Operand 0 must be a non hard register.
5572 * pa.c (secondary_reload_class): SAR<->FP copies require a
5575 * install.texi (mips-mips-bsd): Update list of functions
5576 required to include memmove.
5577 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
5578 used functions to include memmove.
5580 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
5582 * i386.md (sqrtdf2): SFmode should be DFmode.
5584 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
5586 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
5587 (find_moveable_store): Likewise.
5589 2001-04-15 Jim Wilson <wilson@redhat.com>
5591 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
5593 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5595 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
5596 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
5598 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
5600 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
5603 2001-04-14 Alan Modra <amodra@one.net.au>
5605 * pa.c (force_mode): New function.
5606 (emit_move_sequence): Use it instead of generating new rtx_REGs.
5608 2001-04-13 Jim Wilson <wilson@redhat.com>
5610 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
5611 (first_instruction): New static variable.
5612 (rtx_needs_barrier): Return 1 for alloc.
5613 (init_insn_group_barriers): Set first_instruction.
5614 (rws_sum): Delete duplicate definition.
5615 (group_barrier_needed_p): Return 0 when first_instruction true.
5616 (safe_group_barrier_needed_p): Save and restore first_instruction
5617 around group_barrier_needed_p call.
5619 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
5621 * expr.h (enum libfunc_index): Add LTI_memmove.
5622 (memmove_libfunc): Define macro.
5623 * optabs.c (init_optabs): Initialize memmove_libfunc.
5624 * expr.c (expand_assignment): Use memmove_libfunc instead of
5627 2001-04-13 Alan Modra <alan@linuxcare.com.au>
5629 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
5632 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5634 * Makefile.in (reg-stack.o): Depend on reload.h.
5635 (insn-attrtab.o): Depend on flags.h.
5637 * genattrtab (main): Include flags.h in insn-attrtab.c.
5639 * reg-stack.c: Include reload.h.
5641 * sparc.h (flag_pic): Delete redundant declaration.
5643 * output.h (flag_pic): Likewise.
5645 * tree.h (pedantic): Likewise.
5647 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5649 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5651 * jump.c, regmove.c, toplev.c: Include reload.h.
5653 * reload.h (reload_cse_regs): Declare.
5655 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5656 reload_cse_regs, init_reload, mark_home_live, reload,
5657 init_caller_save): Delete redundant prototypes.
5659 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5661 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5663 * regclass.c, ssa.c: Include expr.h.
5665 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5666 gen_move_insn): Delete redundant declarations.
5668 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5670 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5671 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5672 MAKEINFO and MAKEINFOFLAGS too.
5673 (stage4_build): Correctly order -B flags.
5675 2001-04-13 Alan Modra <amodra@one.net.au>
5677 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5678 PIC_OFFSET_TABLE_SAVE_RTX.
5679 (zdepi_cint_p): Describe zdepi insn.
5680 Formatting and white space fixes throughout file.
5682 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5683 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5684 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5685 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5686 (output_64bit_and): Use plain `int's for shift counts.
5687 (output_64bit_ior): Likewise.
5688 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5689 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5692 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5693 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5694 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5695 NEW_HP_ASSEMBLER into one. Kill warnings.
5697 * pa-gas.h: Delete file.
5698 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5699 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5700 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5701 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5703 * config/pa/mill32.S: New file.
5704 * config/pa/mill64.S: New file.
5705 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5706 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5707 * config/pa/t-linux64: New file.
5708 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5709 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5710 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5712 * elfos.h (SELECT_SECTION): Undef before defining.
5713 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5714 (LIB_SPEC): Remove -lmilli.
5715 (DBX_REGISTER_NUMBER): Remove.
5716 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5717 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5718 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5719 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5720 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5721 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5722 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5723 TARGET_GAS): Define.
5724 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5725 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5726 regs if we don't have a prototype.
5727 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5728 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5729 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5730 EH_RETURN_HANDLER_RTX): Define.
5731 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5732 (DWARF_FRAME_REGNUM): Define.
5733 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5734 * pa32-linux.h: New file.
5735 * pa64-linux.h: New file.
5737 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5738 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5739 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5740 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5741 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5742 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5743 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5744 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5745 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5746 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5747 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5748 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5749 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5750 * pa64-hpux.h: New file.
5751 (ASM_FILE_START): Correct typo.
5752 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5753 * config.gcc: Modify for above.
5755 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5757 * jump.c (jump_optimize_1): Don't delete dead stores here.
5758 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5759 prior to running jump optimize before cse2.
5761 2001-04-12 Richard Henderson <rth@redhat.com>
5763 * Makefile.in (regmove.o): Depend on except.h.
5764 * regmove.c: Include it.
5766 2001-04-12 Stan Shebs <shebs@apple.com>
5768 * objc/objc-act.c: Remove all code ifdefed with the never-used
5769 macro OBJC_INT_SELECTORS.
5770 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5771 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5773 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5775 * config/pa/quadlib.c: Add prototypes.
5777 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * bitmap.h (debug_bitmap): Delete redundant prototype.
5781 * rtl.h (get_frame_size): Likewise.
5783 2001-04-12 Jim Wilson <wilson@redhat.com>
5785 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5786 to just emit an fnorm.
5788 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5790 * c-common.h (truthvalue_conversion, type_for_mode,
5791 type_for_size): Delete redundant declarations.
5793 * c-lex.h (is_class_name): Likewise.
5795 * c-tree.h (pedantic, convert, getdecls, gettags,
5796 global_bindings_p, init_decl_processing, insert_block,
5797 maybe_build_cleanup, poplevel, print_lang_decl,
5798 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5799 set_block, incomplete_type_error, build_function_call,
5800 lvalue_or_else, mark_addressable): Likewise.
5802 * expr.h (expand_tree_builtin): Likewise.
5804 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5806 * invoke.texi: Document --param max-gcse-memory.
5808 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5810 * configure.in (errno): Check for declaration.
5811 * configure, config.in: Regenerated.
5813 * system.h (errno): Only declare if not already done.
5815 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5817 * recog.c (general_operand, immediate_operand,
5818 nonmemory_operand): Require CONST_INTs to be sign-extended
5819 values for their modes.
5821 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5823 * expmed.c (store_bit_field): Truncate CONST_INTs.
5824 (expand_mult_highpart, expand_divmod): Likewise.
5825 * expr.c (convert_modes, store_field): Likewise.
5826 * integrate.c (expand_inline_function): Use promote_mode() to
5827 determine whether to convert_modes() an argument as signed
5829 * optabs.c (expand_binop): Get CONST_INT operands
5830 sign-extended for their appropriate modes.
5831 * stmt.c (emit_case_nodes): Convert node values to the
5833 (expand_end_case): Convert minval and range to the appropriate
5835 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5836 the iteration variable.
5837 * varasm.c (immed_double_const): Don't require words to be
5838 narrower than host wide ints to properly sign-extend
5841 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5843 * sh.md (builtin_setjmp_receiver): New expander.
5845 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5847 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5848 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5849 for generating CONST_INT and CONST_DOUBLE.
5851 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5853 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5854 already sign-extended.
5855 (rs6000_emit_prologue): Make register iterator signed.
5856 (rs6000_emit_epilogue): Likewise.
5857 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5859 (movsf split, movdf split): Sign-extend CONST_INTs.
5860 (movdi splits): Likewise.
5862 2001-04-12 Kelley Cook <kelley.cook@home.com>
5864 * config-lang.in (lang_dirs): Add in zlib.
5866 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5868 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5869 operands that make it to RTL.
5871 2001-04-11 Stan Shebs <shebs@apple.com>
5873 Add Darwin (Mac OS X kernel) native support.
5874 * config.gcc (powerpc-*-darwin*): Add native bits.
5875 * config/darwin.c: New file, generic Darwin support functions.
5876 * config/darwin.h: New file, generic Darwin definitions.
5877 * config/darwin-protos.h: New file, generic Darwin prototypes.
5878 * rs6000/darwin.h: New file, Darwin for PowerPC.
5879 * rs6000/t-darwin: New file, Darwin makefile fragment.
5880 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5881 (TARGET_MACHO): Ditto.
5882 (rs6000_abi): Add ABI_DARWIN.
5883 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5884 (RS6000_SAVE_AREA): Ditto.
5885 (FP_ARG_MAX_REG): Ditto.
5886 (RETURN_ADDRESS_OFFSET): Ditto.
5887 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5889 (rs6000_emit_move): Add ABI_DARWIN cases.
5890 (print_operand): Ditto.
5891 (first_reg_to_save): Ditto.
5892 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5893 (debug_stack_info): Ditto.
5894 (rs6000_emit_prologue): Ditto.
5895 (rs6000_emit_epilogue): Ditto.
5896 (output_profiler_hook): Ditto.
5897 (output_function_profiler): Ditto.
5898 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5899 (output_mi_thunk): Add TARGET_MACHO case.
5900 (add_compiler_stub): Ditto.
5901 (output_compiler_stub): Ditto.
5902 (no_previous_def): Ditto.
5903 (output_call): Ditto.
5904 (machopic_output_stub): Ditto.
5905 (rs6000_machopic_legitimize_pic_address): Ditto.
5906 (toc_section): Ditto.
5907 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5908 (macho_high): Ditto.
5911 (load_macho_picbase): Ditto.
5912 (call): Add TARGET_MACHO case to modify function.
5913 (call_value): Ditto.
5914 (call_nonlocal_sysv): Add ABI_DARWIN case.
5915 (call_value_nonlocal_sysv): Ditto.
5916 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5918 (machopic_output_stub): Ditto.
5919 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5921 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5923 * dwarf2out.c (modified_type_die): Don't create new types here.
5924 * tree.h (get_qualified_type): New function.
5925 (build_qualified_type): Adjust comment.
5926 * tree.c (get_qualified_type): New function.
5927 (build_qualified_type): Use it.
5929 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5931 * cpp.texi (-Wtraditional): Update description.
5933 * invoke.texi (-Wtraditional): Likewise.
5935 2001-04-11 Jim Wilson <wilson@redhat.com>
5937 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5938 requires more than 64 bits of alignment.
5940 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5942 * cpplib.c (do_line): Sanity check iff enable checking.
5944 2001-04-11 Richard Henderson <rth@redhat.com>
5946 * Makefile.in (insn-recog.o): Depend on toplev.h.
5947 (insn-emit.o, doloop.o): Likewise.
5948 * genrecog.c, genemit.c: Include toplev.h in generated file.
5949 * doloop.c: Include toplev.h.
5951 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5953 * Makefile.in (gcse.o): Depend on params.h.
5954 * gcse.c: Include params.h.
5955 (gcse_main): Don't do GCSE if doing so will take inordinate
5957 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5958 * params.h (MAX_GCSE_MEMORY): New macro.
5960 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5962 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5964 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5966 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5968 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5970 * real.h (ereal_atof, real_value_truncate, target_isnan,
5971 target_isinf, target_negative, assemble_real, debug_real): Delete
5972 redundant prototypes.
5974 * Makefile.in (ifcvt.o): Depend on toplev.h.
5976 * c-semantics.c: Include expr.h.
5978 * ifcvt.c: Include toplev.h.
5980 * expr.h (rtx_equal_p): Delete prototype.
5982 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5983 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5984 eliminate_constant_term, expand_complex_abs, find_single_use,
5985 make_tree, init_expr_once, init_optabs, supports_one_only):
5988 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5989 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5990 expand_assignment, store_expr, emit_line_note_after,
5991 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5993 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5995 * sparc-protos.h: Delete redundant prototypes.
5997 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5999 * reload.c (push_reload): Add condition missed in SUBREG byte
6002 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6004 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
6006 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6008 * i386.md (floatsisf_sse): Fix output template
6009 * i386.c (ix86_expand_fp_movcc)
6011 * reg-stack.c (emit_pop_insn): Handle complex modes.
6012 (move_for_stack_reg): Emit proper move mode.
6013 (subst_stack_regs_pat): Handle complex modes.
6015 2001-04-11 Jakub Jelinek <jakub@redhat.com>
6017 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
6019 2001-04-10 Richard Henderson <rth@redhat.com>
6021 * libgcc2.h (__terminate_func_ptr): Remove typedef.
6022 (__pure_virtual, __terminate, __terminate_set_func,
6023 __default_terminate, __throw_type_match, __empty,
6024 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
6025 __eh_rtime_match, __unwinding_cleanup, __rethrow,
6026 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
6027 Remove prototypes of deleted functions.
6029 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6031 * c-typeck.c (convert_arguments): -Wtraditional now activates
6032 -Wconversion warnings, except for changes in signed-ness.
6033 Detect complex<->int & int<->complex conversions as well.
6035 * invoke.texi (-Wtraditional): Document it.
6037 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6039 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
6040 * flow.c (set_block_for_new_insns): Remove needless cast and
6041 properly check for unset block number.
6043 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
6045 * function.c (purge_single_hard_subreg_set): Only check REGNO if
6046 the subreg was a hard register. Pseudos are left as subregs.
6048 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6050 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
6051 (LIB2ADD_ST): New macro, pass it to mklibgcc.
6052 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
6053 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
6054 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
6056 2001-04-09 Bo Thorsen <bo@suse.co.uk>
6058 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
6060 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6062 * output.h (set_block_num): Missed it earlier, remove deprecated
6065 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6067 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
6068 (load_killed_in_block_p): Change bb parameter from int to basic_block.
6069 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
6070 (handle_rd_kill_set): Change bb parameter from int to basic_block.
6071 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
6072 (expr_killed_p): Change bb parameter from int to basic_block, pass
6073 basic_blocks instead of ints as parameters.
6074 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
6075 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
6076 from int to basic_block, pass basic_blocks instead of ints as parms.
6077 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
6078 parameter from int to basic_block, pass basic_blocks instead of ints.
6079 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
6080 (insert_insn_end_bb): Change bb parameter from int to basic_block,
6081 pass basic_blocks instead of ints.
6082 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
6083 basic_blocks instead of ints as parameters.
6084 (pre_delete): Pass basic_blocks instead of ints as parameters.
6085 (hoist_expr_reaches_here_p): Change bb parameter from int to
6086 basic_block, pass basic_blocks instead of ints.
6087 (hoist_code): Pass basic_blocks instead of ints as parameters.
6088 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
6089 Change bb parameter from int to basic_block.
6090 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
6091 (insert_insn_start_bb): Change bb parameter from int to basic_block,
6092 pass basic_blocks instead of ints.
6093 (insert_store): Pass basic_blocks instead of ints as parameters.
6094 (replace_store_insn, delete_store): Change bb parameter from int to
6095 basic_block, pass basic_blocks instead of ints.
6096 (store_motion): Pass basic_blocks instead of ints as parameters.
6098 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6100 * basic-block.h (set_new_block_for_insns): New Prototype.
6101 (set_block_num): Delete prototype.
6102 * flow.c (set_block_num): Remove obsolete function.
6103 (set_block_for_new_insns): Set BB for single or multiple insns.
6104 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
6105 (process_insn_end_bb): Use set_block_for_new_insns or
6106 set_block_for_insn instead of set_block_num.
6107 (pre_insert_copy_insn): Use set_block_for_new_insns.
6108 (update_ld_motion_stores): Use set_block_for_new_insns.
6109 (insert_insn_start_bb): Use set_block_for_new_insns.
6110 (replace_store_insn): Use set_block_for_new_insns.
6112 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
6113 Jeff Law <law@redhat.com>
6115 * alias.c (get_addr): Externalize.
6116 (canon_true_dependence): New function. Behaves like true_dependance
6117 except it already assumes a MEM has been canonicalized.
6118 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
6119 * gcse.c (struct ls_expr): Add load/store expressions structure.
6120 (modify_mem_list, canon_modify_mem_list): New variable.
6121 (gcse_main): Initialize & finalize alias analysis. Use enhanced
6122 load motion and store motion if requested.
6123 (alloc_gcse_mem): Allocate space for modify_mem_list array.
6124 (free_gcse_mem): Free the modify_mem_list array.
6125 (oprs_unchanged_p): Use load_killed_in_block_p.
6126 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
6127 (mems_conflict_for_gcse_p): New function. Don't kill loads
6128 with stores to themselves if its in the load/store expression list.
6129 (load_killed_in_block_p): New function.
6130 (canon_list_insert): New Function.
6131 (record_last_mem_set_info): Keep a list of all instructions which
6132 can modify memory for each basic block.
6133 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
6134 (oprs_not_set_p): Use load_killed_in_block_p.
6135 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
6136 (expr_killed_p): Use load_killed_in_block_p.
6137 (compute_transp): Do not pessimize memory references.
6138 (pre_edge_insert): Update stores for a load motion expression.
6139 (one_pre_gcse_pass): Check loads/stores for extra load motion.
6140 (ldst_entry): Find or create a ldst_expr structure.
6141 (free_ldst_entry): Free memory for an individual item.
6142 (free_ldst_mems): Free entire load/store expression list.
6143 (print_ldst_list): Print debug info.
6144 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
6145 (enumerate_ldsts): Assign integer values to each entry in list.
6146 (first_ls_expr): First expression in the list.
6147 (next_ls_expr): Next expression in the list.
6148 (simple_mem): Check if expression qualifies for ld/st expression list.
6149 (invalidate_any_buried_refs): Remove from expression list if its
6150 used in some other way we dont understand.
6151 (compute_ld_motion_mems): Find all potential enhanced load motion
6153 (trim_ld_motion_mems): Remove any expressions which are invalid.
6154 (update_ld_motion_stores): Copy store values to registers for loads
6155 which have been moved.
6156 (regvec, st_antloc, num_store): New global statics.
6157 (reg_set_info): Marks registers as set.
6158 (store_ops_ok): Verfies registers expressions are valid in a block.
6159 (find_moveable_store): Look for moveable stores in a pattern.
6160 (compute_store_table): Find stores in a function worth moving, maybe.
6161 (load_kills_store): Check dependance of a load and store.
6162 (find_loads): Find any loads in a pattern.
6163 (store_killed_in_insn): Check if a store is killed in an insn.
6164 (store_killed_after): Check is store killed after an insn in a block.
6165 (store_killed_before): Check is store killed before an insn in a block.
6166 (build_store_vectors): Generate the antic and avail vectors.
6167 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
6168 (insert_store): Add a store to an edge.
6169 (replace_store_insn): Replace a store with a SET insn.
6170 (delete_store): Delete a store insn.
6171 (free_store_memory): Free memory.
6172 (store_motion): Perform store motion.
6173 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
6174 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
6175 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
6176 (f_options): Add gcse-lm and gcse-sm.
6178 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
6180 * i386.c (expand_fp_movcc): Fix condition reversal code.
6182 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
6183 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
6184 (CLASS_MAX_NREGS): Use it.
6186 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
6187 handle properly complex values.
6188 (CLASS_MAX_NREGS): Likewise; update comment.
6190 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6192 * ia64.c (ia64_flag_schedule_insns2): New variable.
6193 (ia64_override_options): Initialize it. Clear
6194 flag_schedule_insns_after_reload.
6195 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
6197 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
6199 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
6200 Do not require source to match destination anymore;
6201 Add abort to the nontrivial cases that should be handled by split.
6202 (fix_trunc?fdi): Add SSE case for x86_64.
6203 (floatdi?f): Likewise.
6204 (floatdi?f_sse): New.
6205 (fix_trunc?fdi_sse): New.
6207 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
6209 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
6210 (DEBUG_ARANGES_END_LABEL): Ditto.
6211 (dwarfout_init): Generate length and version fields at the start
6212 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
6213 after the length field.
6214 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
6215 the .debug_aranges info.
6217 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
6219 * i386.c (call, call_value): Make sure that resulting call_insn
6220 does have proper second operand.
6222 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
6224 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
6225 function. Remove include of sys/cygwin.h.
6227 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
6229 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
6230 (CPP_SPEC): Always search */include/w32api for header files.
6231 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
6232 (LINK_SPEC): Add "cyg" to the library search prefixes.
6234 2001-04-08 Philip Blundell <philb@gnu.org>
6236 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
6238 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
6240 * cpperror.c (print_location): Don't special case <stdin>.
6241 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
6242 WARNING, but we don't check if we're in system headers.
6243 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
6244 * cpplib.c (do_warning): Warn in system headers.
6246 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
6248 * mbchar.c: Include config.h first.
6250 2001-04-07 Zack Weinberg <zackw@stanford.edu>
6252 * config.gcc: Set default for xmake_file at top, not bottom.
6253 Change places that set xmake_file to "none" to set to the
6254 empty string instead, or remove them entirely if there is no
6255 default xmake_file for this cpu_type. Remove references to
6258 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
6259 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
6260 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
6261 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
6262 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
6263 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
6264 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
6265 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
6266 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
6267 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
6270 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
6271 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
6272 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
6273 config/mips/x-sysv, config/rs6000/x-aix31:
6274 Just set CLIB to -lld or -lmld, as appropriate.
6276 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
6277 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
6278 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
6279 config/mips/x-iris, config/pa/x-pa:
6280 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
6281 OTHER_FIXINCLUDES_DIRS.
6283 * config/i386/x-djgpp: Don't set LN or LN_S.
6284 * config/m88k/x-dolph: Don't define __m88k__.
6285 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
6286 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
6287 * config/i860/fx2800.h: No need to #undef SVR4.
6289 38 x-host fragments remain, 2 x-cpu.
6291 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6293 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
6295 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6297 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
6299 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6301 * configure.in: Add check for lstat.
6302 * configure, config.in: Regenerate.
6303 * cppinit.c (append_include_chain): Make empty path ".".
6304 * cpplib.c (do_line): Don't simplify #line paths.
6305 * cppfiles.c (remove_component_p): New function.
6306 (find_or_create_entry): Acknowledge stat () errors during
6307 path simplification.
6308 (handle_missing_header): Don't simplify paths.
6309 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
6310 the empty path untouched. Don't leave a trailing '/'.
6312 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
6314 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6315 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
6317 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
6319 * cppfiles.c (open_file): Fail directories silently, but
6320 with an errno of NOENT set.
6321 (read_include_file): Move the common exit code to the sole
6322 caller. Return an int indicating success or failure. Let
6323 open_file handle directories.
6324 (stack_include_file): If read_include_file fails,
6325 push a "null" buffer.
6327 2001-04-05 DJ Delorie <dj@redhat.com>
6329 * function.h (virtuals_instantiated): Declare.
6330 * function.c: (virtuals_instantiated): Make global.
6331 * calls.c (emit_library_call_value_1): Use
6332 virtual_outgoing_args_rtx only if it hasn't been instantiated.
6333 Otherwise, use the stack pointer directly.
6335 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6337 * i386.c (x86_initialize_trampoline): New global function.
6338 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
6339 (INITIALIZE_TRAMPOLINE): Move offline.
6340 * i386-protos.h (x86_initialize_trampoline): Declare.
6342 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6344 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
6345 (lea_0): Rename to lea_1.
6346 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
6347 (lea_general_?): Allow SImodes on TARGET_64BIT
6348 (lea_general_?_zext): New patterns.
6349 (call_1, call_1_rex64): Fix.
6351 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
6353 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
6355 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6357 * i386.c (function_arg): Return constm1_rtx for last argument.
6358 (ix86_expand_prologue): Update gen_call calls.
6359 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
6360 * i386.md (call_pop): Likewise.
6361 (call): Second operand is VOIDmode.
6362 (call_0): Likewise; Support 64bits.
6363 (call_exp): New expander.
6364 (call_1): Get to the sync.
6365 (call_1_exp): New pattern.
6366 (call_value): Support 64bit.
6367 (call_value_exp): New pattern.
6368 (untyped_call): Update gen_call call.
6369 (call_value_pop): Disable for 64bit.
6370 (call_value_0_rex64): New pattern.
6371 (call_value_1_rex64): Likewise.
6373 2001-04-05 Bo Thorsen <bo@suse.de>
6375 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
6377 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
6379 * i386.md (*andsi_1+3): If used after reload, make sure the operand
6380 satisfies ANY_QI_REG_P.
6382 2001-04-05 Bernd Schmidt <bernds@redhat.com>
6384 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
6387 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
6390 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6392 * config.gcc: Remove default for xm_file. Clean up local
6393 machine type handling. Remove settings of xm_file to
6394 something that doesn't exist. In the big switch, set xm_file,
6395 don't append to it (the value before the big switch is always
6396 null). Don't force build_xm_file or host_xm_file to have a value.
6397 * configure.in: Remove default for xm_file. Do not special
6398 case $cpu/xm-$cpu.h not existing.
6399 * configure: Regenerate.
6401 2001-04-04 Diego Novillo <dnovillo@redhat.com>
6403 * simplify-rtx.c (simplify_binary_operation): Check for overflow
6404 when folding integer division and modulo operations.
6406 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
6408 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
6409 instead of DWARF2_ADDR_SIZE for EH addresses.
6410 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
6413 2001-04-04 Richard Henderson <rth@redhat.com>
6415 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
6416 * config/ia64/t-glibc (LIB2ADDEH): Disable.
6417 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
6419 2001-04-04 Richard Henderson <rth@redhat.com>
6421 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
6422 * configure: Rebuilt.
6424 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6426 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
6427 push insns to delete to it instead of deleting them.
6428 (delete_null_pointer_checks): Delete insns from delete_list after
6429 all delete_null_pointer_checks_1 passes are done.
6431 2001-04-04 Richard Henderson <rth@redhat.com>
6433 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
6434 * configure: Rebuilt.
6436 2001-04-04 Zack Weinberg <zackw@stanford.edu>
6438 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
6439 * config/romp/xm-romp.h: Delete.
6441 2001-04-04 Bernd Schmidt <bernds@redhat.com>
6443 * sched-deps.c (sched_analyze_insn): Partially revert March 27
6446 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6448 * emit-rtl.c (mark_label_nuses) Increment the label uses for
6449 all labels present in rtx.
6450 (try_split) Call new function for all split insns.
6452 2001-04-04 Jakub Jelinek <jakub@redhat.com>
6454 * recog.c (validate_replace_rtx_1): Instead of aborting just make
6455 sure the change won't be validated.
6457 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
6459 * rtl.h (set_noop_p): Declare.
6460 * flow.c (set_noop_p): Move from here ...
6461 * rtlanal.c (set_noop_p): ... to here and enhance.
6462 * cse.c (delete_trivially_dead_insns): Use it.
6463 * gcse.c (hash_scan_set): Likewise.
6464 * jump.c (delete_noop_moves): Likewise.
6465 * recog.c (split_all_insns): Likewise.
6467 2001-04-04 Alan Modra <alan@linuxcare.com.au>
6469 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
6470 stack pointer via a LO_SUM. Ditto for setting a temp register
6471 used to save to the stack. Set cfa_temp when setting fp, and
6472 allow matches to cfa_temp in addition to cfa_store when saving
6473 regs. Handle POST_INC and LO_SUM register stores. Document the
6474 changes and errors in rule 12 doco.
6476 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
6477 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
6478 (load_reg): Move closer to epilogue code.
6479 (DO_FRAME_NOTES): Define to control the following..
6480 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
6481 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
6483 (hppa_expand_epilogue): Likewise.
6485 2001-04-03 Richard Henderson <rth@redhat.com>
6487 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
6488 * configure: Rebuild.
6490 2001-04-03 Richard Henderson <rth@redhat.com>
6492 * rtl.h (LCT_THROW): New.
6493 * calls.c (emit_library_call_value_1): Handle it.
6494 * except.c (connect_post_landing_pads): Use it.
6496 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6498 * gansidecl.h: Delete file.
6499 * configure.in: Change all refs to gansidecl.h to use
6500 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
6502 * configure: Regenerate.
6504 * Makefile.in (intl.o): Don't depend on gansidecl.h.
6505 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
6506 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
6507 Don't include gansidecl.h.
6508 * intl.c, main.c, version.c, fixinc/fixlib.h,
6509 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
6512 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6514 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
6517 2001-04-03 Zack Weinberg <zackw@stanford.edu>
6519 * config/i386/xm-beos.h, config/i386/xm-isc.h,
6520 config/i386/xm-next.h, config/i386/xm-sco.h,
6521 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
6522 config/m88k/xm-m88k.h: Delete.
6524 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
6525 * config/romp/xm-romp.h: Don't define bcopy.
6526 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
6527 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
6529 * config.gcc: Remove references to deleted files.
6531 14 xm-host.h remain, 1 xm-cpu.h.
6533 2001-04-03 Jakub Jelinek <jakub@redhat.com>
6534 David S. Miller <davem@pierdol.cobaltmicro.com>
6535 Andrew MacLeod <amacleod@redhat.com>
6537 Use byte offsets in SUBREGs instead of words.
6539 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
6540 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
6541 to pass new argument.
6542 (add_stored_regs): Use subreg_regno_offset function.
6543 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
6545 (precompute_arguments): Use gen_lowpart_SUBREG.
6546 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
6547 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
6548 (simplify_set): Rework to use SUBREG_BYTE.
6549 (expand_field_assignment): Use SUBREG_BYTE.
6550 (make_extraction): Use SUBREG_BYTE.
6551 (if_then_else_cond): Use SUBREG_BYTE.
6552 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
6553 (gen_lowpart_for_combine): Compute full byte offset.
6554 * cse.c (mention_regs): Use SUBREG_BYTE.
6555 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
6556 (canon_hash): Use SUBREG_BYTE.
6557 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
6558 (gen_lowpart_if_possible): Formatting.
6559 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
6561 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6562 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6563 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6564 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
6565 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6566 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
6567 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
6568 certain invariants about SUBREGs the compiler creates.
6569 (gen_lowpart_SUBREG): New function.
6570 (subreg_hard_regno): New function to get the final register number.
6571 (gen_lowpart_common): Use SUBREG_BYTE.
6572 (gen_imagpart): Spacing nits.
6573 (subreg_realpart_p): Use SUBREG_BYTE.
6574 (gen_highpart): Use SUBREG_BYTE.
6575 (subreg_lowpart_p): Always compute endian corrected goal offset,
6576 even at the byte level, then compare against that.
6577 (constant_subword): New function, pulled out all constant cases
6578 from operand_subword and changed second argument name to offset.
6579 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
6580 and call constant_subword to do the work. Return const0_rtx if
6581 looking for a word outside of OP.
6582 (operand_subword_force): Change second arg name to offset.
6583 * expmed.c (store_bit_field): Use SUBREG_BYTE.
6584 (store_split_bit_field): Use SUBREG_BYTE.
6585 (extract_bit_field): Use SUBREG_BYTE.
6586 (extract_split_bit_field): Use SUBREG_BYTE.
6587 (expand_shift): Use SUBREG_BYTE.
6588 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
6589 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
6590 * flow.c (set_noop_p): Use SUBREG_BYTE.
6591 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
6592 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
6593 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
6595 (optimize_bit_field): Use SUBREG_BYTE.
6596 (purge_addressof_1): Use SUBREG_BYTE.
6597 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
6598 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
6599 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
6600 * gengenrtl.c (special_rtx): Add SUBREG.
6601 * global.c (mark_reg_store): Use SUBREG_BYTE.
6602 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
6603 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
6604 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
6605 final byte offset is congruent to subreg's mode size.
6606 (subst_constants): Use SUBREG_BYTE.
6607 (mark_stores): Use subreg_regno_offset function.
6608 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
6609 function and SUBREG_BYTE.
6610 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
6611 (reg_is_born): Use subreg_hard_regno.
6612 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
6613 endian correction code. Don't combine subregs unless resulting
6614 offset aligns with type. Fix subreg constant extraction for DImode.
6615 Simplify SUBREG of VOIDmode CONST_DOUBLE.
6616 (general_operand): Remove dead mode_altering_drug code.
6617 (indirect_operand): Use SUBREG_BYTE.
6618 (constrain_operands): Use subreg_regno_offset function.
6619 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
6620 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
6621 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
6622 * regs.h (REG_SIZE): Allow target to override.
6623 (REGMODE_NATURAL_SIZE): New macro which target can override.
6624 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
6625 on the entire subreg rtx.
6626 (push_reload): Use SUBREG_BYTE in comments and code.
6627 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
6628 for hard registers inside subregs.
6629 (operands_match_p): Use subreg_regno_offset.
6630 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
6631 containing hard regs.
6632 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
6633 corrections when fixing up MEM subregs.
6634 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
6635 subreg_regno_offset where appropriate.
6636 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
6637 byte endian corrections when fixing up MEM subregs.
6638 (subst_reloads): When combining two subregs, make sure final
6639 offset is congruent to subreg's mode size.
6640 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6641 (refers_to_regno_for_reload_p): Use subreg_regno.
6642 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6643 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6644 correction code for memory subreg fixups.
6645 (forget_old_reload_1): Use subreg_regno_offset.
6646 (choose_reload_regs): Use subreg_regno.
6647 (emit_input_reload_insns): Use SUBREG_BYTE.
6648 (reload_combine_note_store): Use subreg_regno_offset.
6649 (move2add_note_store): Use subreg_regno_offset.
6650 * resource.c (update_live_status, mark_referenced_resources): Use
6651 subreg_regno function.
6652 (mark_set_resources): Use subreg_regno function.
6653 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6654 (subreg_regno_offset, subreg_regno): Define prototypes.
6655 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6656 (gen_lowpart_SUBREG): Add prototype.
6657 * rtl.texi (subreg): Update to reflect new byte offset representation.
6658 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6659 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6660 (reg_overlap_mentioned_p): Use subreg_regno.
6661 (replace_regs); Make sure final offset of combined subreg is
6662 congruent to size of subreg's mode.
6663 (subreg_regno_offset): New function.
6664 (subreg_regno): New function.
6665 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6666 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6667 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6668 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6669 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6670 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6671 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6672 (print_operand): Use SUBREG_BYTE.
6673 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6674 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6675 (arm_reload_out_hi): Use SUBREG_BYTE.
6676 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6677 instead of SUBREG_WORD.
6678 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6679 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6680 SUBREG creation to use byte offset.
6681 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6682 inverted load insns): Fix explicit rtl subregs to use byte
6684 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6685 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6686 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6687 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6688 to use byte offsets.
6689 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6690 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6691 offsets, also make sure it is congruent to SUBREG's mode size.
6692 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6693 unnamed ldob insn): Generate SUBREGs with byte offset.
6694 (zero_extendqihi2): SUBREG's are byte offsets.
6695 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6696 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6697 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6698 zero-extendqisi2): Generate SUBREGs with byte offset.
6699 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6700 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6701 subregs in rtl to use byte offsets.
6702 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6703 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6704 (mips_move_2words): Use subreg_regno_offset.
6705 (mips_secondary_reload_class): Use subreg_regno_offset.
6706 * config/mips/mips.md (DImode plus, minus, move, and logical op
6707 splits): Fixup explicit subregs in rtl to use byte offsets.
6708 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6709 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6710 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6711 rtl to use byte offsets.
6712 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6713 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6714 subregs to use byte offsets.
6715 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6716 Fixup explicit subregs in rtl to use byte offsets.
6717 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6718 and remove byte endian correction code.
6719 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6720 (gen_ashift_hi): Use SUBREG_BYTE.
6721 (regs_used): Use subreg_regno_offset.
6722 (machine_dependent_reorg): Use subreg_regno_offset.
6723 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6724 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6725 (movdf_i4): Subregs are byte offsets now.
6726 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6727 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6728 (REGMODE_NATURAL_SIZE): Override.
6729 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6730 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6732 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6733 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6734 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6735 it is congruent to SUBREG's mode size.
6736 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6738 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6739 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6740 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6741 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6742 * config/v850/v850.c (print_operand, output_move_double): Use
6743 subreg_regno function.
6745 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6747 * configure.in (target_subdir): Use target_alias, not target.
6748 * configure: Rebuilt.
6750 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6752 * config/sh/crti.asm: Fix typos in comments.
6754 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6756 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6757 TARGET_FAST_INDIRECT_CALLS.
6758 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6760 (return_addr_rtx): Short circuit export stub matching when
6761 TARGET_NO_SPACE_REGS.
6762 (output_millicode_call): For out of range calls, make -fPIC
6763 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6764 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6765 * pa.md: Modify length attr calculation of all millicode insns to
6768 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6770 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6771 Require at least 2.11 in the version test. Specifically check
6772 for and reject GAS version 2.10.90.
6773 * configure: regenerate.
6775 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6777 * pa.c (override_options): Remove PIC profiling warning.
6778 (hp_profile_labelno): Delete.
6779 (hp_profile_label_rtx): Delete.
6780 (hp_profile_label_name): Delete.
6781 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6782 (output_function_prologue): Remove profiling code and all tests on
6783 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6784 merge_sp_adjust_with_store can work for PIC and profiling.
6785 (hppa_expand_epilogue): Remove profile_flag test.
6786 (hppa_can_use_return_insn_p): Likewise.
6787 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6788 cater for PROFILE_HOOK.
6789 (hppa_profile_hook): New function.
6790 * pa.h (FUNCTION_PROFILER): Now does nothing.
6791 (PROFILE_HOOK): Define.
6792 (hppa_profile_hook): Declare.
6793 (PROFILE_BEFORE_PROLOGUE): Delete.
6794 (ASM_OUTPUT_REG_PUSH): Delete.
6795 (ASM_OUTPUT_REG_POP): Delete.
6796 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6797 r24. Accept function name operand, and use this and a locally
6798 generated label to calculate pc-rel offset to func start.
6800 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6802 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6803 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6806 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6808 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6809 LO_SUM cases to where they belong.
6811 2001-04-02 Richard Henderson <rth@redhat.com>
6813 * except.h (lang_eh_type_covers): Mark extern.
6814 (lang_eh_runtime_type): Likewise.
6816 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6818 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6819 gengenrtl.c: Wrap generated header in multiple-include guard.
6820 Improve error checking.
6822 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6824 * configure.in: Don't check for putenv.
6825 * configure: Regenerate.
6826 * gcc.c (putenv): Don't define.
6827 * vax/xm-vms.h: Handle putenv.
6829 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6831 * ifcvt.c (noce_emit_move_insn): New.
6832 (noce_try_store_flag, noce_try_store_flag_constants,
6833 noce_try_store_flag_inc, noce_try_store_flag_mask,
6834 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6835 noce_try_abs): Use it.
6836 (noce_process_if_block): Likewise.
6837 For STRICT_LOW_PART, take mode from its SUBREG.
6839 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6841 * fold-const.c (fold): Before optimizing unsigned comparison with
6842 0x7fffffffU, make sure arg0 is integral type.
6844 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6846 * c-tree.texi: Document representation of wide strings.
6848 2001-04-01 Richard Henderson <rth@redhat.com>
6850 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6852 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6854 * i386.md: remove obsoleted comments.
6855 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6856 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6857 fix output template.
6859 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6861 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6863 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6865 * loop.c (load_mems): When generating a load from a pseudo, update
6868 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6870 * i386.c (ix86_split_long_move): Use change address to compensate
6871 stack pointer change in push instruction.
6873 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6875 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6876 instead of rtx_equal_p; fix the output template.
6878 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6880 * i386.c (ix86_expand_setcc): Support 64bit.
6881 (ix86_expand_int_movcc): Likewise.
6882 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6885 * i386.md (allocate_stack_worker): Turn to expander.
6886 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6888 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6890 2001-03-29 Richard Henderson <rth@redhat.com>
6892 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6894 2001-03-28 Matthew Hiller <hiller@redhat.com>
6896 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6899 * MAINTAINERS: Added self.
6901 2001-03-28 Richard Henderson <rth@redhat.com>
6903 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6904 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6906 2001-03-28 Jim Wilson <wilson@redhat.com>
6908 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6911 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6913 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6915 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6918 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6920 2001-03-28 DJ Delorie <dj@redhat.com>
6922 * Makefile.in (stage1_build): Revert CFLAGS patch.
6924 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6926 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6927 when multiplier or multiplicand is zero.
6929 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6931 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6933 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6935 (set_src_needs_barrier): Likewise.
6936 (rtx_needs_barrier): For SET case, use these two functions. Rework
6937 PARALLEL case to handle all inputs before all outputs.
6938 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6939 saw a label and no stop bit since then.
6940 (maybe_rotate, process_epilogue): Add prototypes.
6942 2001-03-28 Richard Henderson <rth@redhat.com>
6944 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6945 not TARGET_TOC for special toc restore handling.
6946 * config/rs6000/rs6000.md (eh_return): Likewise.
6948 2001-03-28 Richard Henderson <rth@redhat.com>
6950 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6951 current_function_calls_eh_return.
6952 (output_function_epilogue): Handle eh_return.
6953 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6954 (EH_RETURN_DATA_REGNO): New.
6955 (EH_RETURN_STACKADJ_RTX): New.
6956 (EH_RETURN_HANDLER_RTX): New.
6957 * config/sparc/sparc.md (call/short branch peepholes): Check
6958 can_throw_internal instead of in_same_eh_region.
6960 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6961 for eh_return data registers.
6962 (rs6000_emit_prologue): Save eh_return data registers.
6963 (rs6000_emit_epilogue): Force inline restores if eh_return.
6964 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6965 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6966 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6967 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6968 the target uses one.
6969 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6970 (return_eh_si, return_eh_di): Remove.
6971 (eh_return): New, from corpse of eh_epilogue.
6972 (eh_set_lr_si, eh_set_lr_di): New.
6974 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6975 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6976 True for pic register if current_function_calls_eh_return.
6977 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6978 Handle eh_return requirements.
6979 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6980 (EH_RETURN_STACKADJ_RTX): New.
6981 * config/i386/i386.md (exception_receiver): Remove.
6982 (eh_return, eh_return_1): New.
6983 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6985 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6986 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6987 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6988 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6989 (EH_RETURN_DATA_REGNO): New.
6990 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6991 * config/alpha/alpha.md (eh_epilogue): Remove.
6992 (exception_receiver): Use $26 for ldgp input.
6993 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6995 2001-03-28 Richard Henderson <rth@redhat.com>
6997 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6998 * except.h: Likewise.
7000 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
7001 (LIB2ADDEHDEP): New.
7002 (LIB2FUNCS_EH): Remove.
7003 (LIB2ADD): Remove LIB2ADDEH.
7004 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
7005 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
7006 (crt{begin,end}[S].o): Likewise.
7007 (except.o): Update includes.
7008 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
7009 (libgcc2_c_dep): Use LIB2ADDEHDEP.
7011 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
7012 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
7013 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
7014 * builtins.c (expand_builtin): Implement it.
7015 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
7016 * c-common.c (c_common_nodes_and_builtins): Declare it.
7017 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
7018 * calls.c (libfunc_nothrow): Remove.
7019 (emit_library_call_value_1): Don't call it.
7020 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
7021 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
7022 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
7023 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
7024 (current_funcdef_number): Globalize.
7025 (output_call_frame_info): Emit frame data if an lsda is needed.
7026 Generate augmentation for personality routine. Don't play with
7028 (dwarf2out_begin_prologue): Record funcdef_number.
7029 * dwarf2out.h (current_funcdef_number): Declare.
7030 * expr.c (expand_expr): Update for except.h name changes.
7031 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
7032 * expr.h (LTI_throw, LTI_rethrow): Remove.
7033 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
7034 (LTI_eh_rtime_match): Remove.
7035 (LTI_unwind_resume, LTI_eh_personality): Add.
7036 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
7037 * final.c (final): Don't call check_exception_handler_labels,
7038 init_insn_eh_region, or free_insn_eh_region.
7039 (final_scan_insn): Always emit debug labels for
7040 NOTE_INSN_EH_REGION notes.
7041 * flags.h (flag_new_exceptions): Remove.
7042 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
7043 (record_active_eh_regions): Remove.
7044 (count_basic_blocks): Check all instructions for REG_EH_REGION.
7045 Use can_throw_internal.
7046 (find_basic_blocks_1): Likewise.
7047 (move_stray_eh_region_notes): Remove.
7048 (find_label_refs): No eh_return_stub_label.
7049 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
7050 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
7052 (delete_unreachable_blocks): Don't track deleted handlers.
7053 (flow_delete_block): Use maybe_remove_eh_handler.
7054 (delete_eh_regions): Remove.
7055 (merge_blocks): Don't check for eh region match.
7056 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
7057 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
7058 (init_propagate_block_info): Disable dead frame store optimization
7059 when current_function_calls_eh_return.
7060 (dump_bb): Don't print eh_beg, eh_end.
7061 * function.c (fixup_var_refs): No catch_clauses.
7062 (expand_function_end): Likewise. Call expand_eh_return before
7063 the return register use. Call sjlj_emit_function_exit_after.
7064 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
7065 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
7066 * ifcvt.c (dead_or_predicable): Remove eh region check.
7067 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
7068 Don't check for EH vs parameters.
7069 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
7070 (expand_inline_function): Call duplicate_eh_regions.
7071 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
7072 (copy_insn_notes): Remap REG_EH_REGION notes.
7073 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
7074 * integrate.h (struct inline_remap): Add local_return_label.
7075 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
7076 check_exception_handler_labels, nor exception_optimize.
7077 (find_cross_jump): No EH region check.
7078 * optabs.c (init_optabs): Update for changed eh libfuncs.
7079 * rtl.def (RESX): New.
7080 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
7081 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
7082 checks. Update for except.h name changes.
7083 (expand_cleanups): Likewise.
7084 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
7085 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
7086 (compile_file): Call init_eh before init_optabs. Don't
7087 output_exception_table here.
7088 (rest_of_compilation): Call convert_from_eh_region_ranges,
7089 convert_to_eh_region_ranges, output_function_exception_table.
7090 Don't emit_eh_context.
7091 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
7092 (EXC_PTR_EXPR): New.
7094 * md.texi (eh_epilogue): Remove.
7095 (eh_return): Document.
7096 * tm.texi (EH_RETURN_DATA_REGNO): Document.
7097 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
7099 * eh-common.h: Remove file.
7100 * frame-dwarf2.c, frame.c, frame.h: Remove files.
7101 * libgcc2.c (L_eh): Remove.
7103 * unwind-dw2-fde.c: New file, largely copied from frame.c.
7104 * unwind-dw2-fde.h: New file.
7105 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
7106 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
7107 * libgcc-std.ver: Update for eh symbols.
7109 2001-03-27 Richard Henderson <rth@redhat.com>
7111 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
7112 reduce false positives.
7113 (regmove_optimize): Disable if flag_non_call_exceptions.
7115 * stmt.c (expand_return): Remove always true predicate.
7116 (expand_decl_cleanup_no_eh): Remove dead code.
7118 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
7119 barrier code. Add a scheduling barrier if a non-call insn
7120 can throw internally.
7122 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
7123 Auto-inc addresses trap only if their base register does.
7125 * except.c (can_throw_internal): Rename from can_throw.
7126 * except.h, resource.c: Update references.
7128 * integrate.c (copy_insn_list): Use returnjump_p.
7129 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
7131 * function.h (struct function): Move all boolean valued fields
7132 to single bit fields at the end of the struct.
7134 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
7136 Rename asynchronous_exceptions to flag_non_call_exceptions.
7138 * gthr-single.h (UNUSED): New. Distinguish between how C
7139 and C++ mark unused function arguments. Use throughout.
7141 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
7142 value to target configuration header.
7143 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
7144 * config.in, configure: Rebuild.
7145 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
7146 configuration and target defines.
7147 (exceptions_via_longjmp): Remove.
7148 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
7149 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
7151 * except.h (flag_non_call_exceptions): Move ...
7152 * flags.h: ... here.
7154 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
7155 exceptions, put the note on the trapping instruction.
7157 * flags.h (flag_new_exceptions): Remove.
7158 * toplev.c: Don't set it.
7159 * final.c: Don't check it.
7160 * except.c: Provide stub definition.
7162 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
7163 (calculate_global_regs_live): Kill call-clobbered registers
7164 across exception edges.
7165 * reg-stack.c (convert_regs_1): Kill the entire target stack
7166 across non-call exception edges.
7168 * flow.c (cleanup_cfg): Take no argument.
7169 * output.h, sibcall.c, toplev.c: Update all calls.
7171 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7173 * configure.in: Don't check for bcopy.
7174 * configure, config.in: Regenerate.
7176 * system.h: Don't define or prototype bcopy, instead poison it.
7178 2001-03-27 Richard Henderson <rth@redhat.com>
7180 * function.c (expand_function_start): Set DECL_REGISTER on
7181 a pseudo used for DECL_RESULT.
7183 * rtl.h (LCT_NORETURN): New.
7184 * calls.c (emit_library_call_value_1): Handle it.
7186 2001-03-27 Stan Shebs <shebs@apple.com>
7188 * objc/objc-act.c (objc_init): Use dump_base_name.
7189 (gen_declaration): Clear the buffer arg.
7190 (gen_declaration_1): New function, body of gen_declaration.
7191 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
7192 (gen_method_decl): Ditto, plus always clear buffer arg.
7193 (error_with_ivar): Simplify.
7194 (warn_with_method): Ditto.
7195 (build_message_expr): Don't clear buffers.
7196 (dump_interface): Ditto.
7197 (objc_debug): Ditto.
7198 (build_keyword_selector): Clear the buffer by only zeroing
7200 (objc_implementation_context): Declare.
7201 (start_class): Warn about missing @end.
7202 (finish_objc): Ditto.
7204 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
7206 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
7208 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7210 * Makefile.in (SYSTEM_H): Define.
7211 Depend on $(SYSTEM_H), not system.h.
7213 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
7215 2001-03-27 Jim Wilson <wilson@redhat.com>
7217 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
7219 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
7220 (process_epilogue): New static function.
7221 (process_set): Call process_epilogue instead of emitting .restore
7223 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
7225 * flow.c (struct reg_cond_life_info): New fields orig_condition
7227 (init_propagate_block_info): Set new fields.
7228 (mark_regno_cond_dead): Set and use new fields.
7229 (flush_reg_cond_reg_1): Likewise.
7230 (and_reg_cond, case AND): Check for redundant AND conditions.
7231 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
7234 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
7236 * cppmacro.c (stringify_arg): Null terminate strings.
7238 2001-03-27 Zack Weinberg <zackw@stanford.edu>
7240 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
7241 inclusion style. xm-m68hc11.h no longer exists.
7242 * config/m68hc11/xm-m68hc11.h: Delete file.
7243 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
7245 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
7246 Don't define GCC_VERSION, N_, or PARAMS; don't include
7247 gansidecl.h or stdio.h. Define inhibit_libc here.
7248 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7249 Delete code conditioned on #if GCC_VERSION == 2095.
7251 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
7252 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
7253 Delete code conditioned on #if GCC_VERSION == 2095.
7255 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7257 * system.h: Include symcat.h.
7258 (STRINGIFY): Don't define.
7260 * configure.in: Adjust comment.
7262 * builtins.c: Use STRINGX, not STRINGIFY.
7263 * gencheck.c: Likewise.
7264 * gengenrtl.c: Likewise.
7265 * protoize.c: Likewise.
7267 * cpplex.c: Don't include symcat.h.
7268 * cpplib.c: Likewise.
7270 * gansidecl.h (HAVE_STRINGIZE): Don't define.
7272 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7274 * c-typeck.c (digest_init): Fold init expression.
7276 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7278 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
7280 2001-03-27 Alan Modra <alan@linuxcare.com.au>
7282 * except.c (eh_regs): Save results of build_pointer_type to a temp
7283 as FUNCTION_VALUE macro may evaluate its args multiple times.
7285 2001-03-26 Mark Mitchell <mark@codesourcery.com>
7287 * c-common.h (DECL_NUM_STMTS): New macro.
7288 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
7290 (pushdecl): Likewise.
7291 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
7292 * integrate.c (expand_inline_function): Don't check
7294 * print-tree.c (print_node): Don't print it.
7295 * toplev.c (rest_of_compilation): Don't try to inline when
7296 flag_no_inline is on.
7297 * tree.h (DECL_FRAME_SIZE): Remove.
7298 (tree_decl): Adjust accordingly.
7300 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7302 * combine.c (try_combine): Use memcpy, not bcopy.
7304 * genattrtab.c (expand_units): Likewise.
7306 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
7308 * i386.md (push mem DI peep2): New.
7309 (mov 0, mov -1 peep2): Handle 64bit.
7310 (lea to arithmetics peep2): Handle 64bit leas.
7311 (rsp arithmetics to push/pop peep2s): New.
7313 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
7315 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
7317 * i386.c (struct machine_function): Add save_varrargs_registers.
7318 (ix86_save_varrargs_registers): New macro.
7319 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
7320 (ix86_expand_prologue): Likewise.
7321 (ix86_emit_epilogue_esp_adjustement): Likewise.
7322 (ix86_expand_epilogue): Likewise.
7323 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
7324 (pro_epilogue_adjust_stack_1): New insn.
7325 (pro_epilogue_adjust_stack_rex64): Likewise.
7326 * i386.h (MASK_NO_RED_ZONE): New constant.
7327 (TARGET_RED_ZONE): New macro.
7328 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
7329 (RED_ZONE_SIZE): New constant.
7330 (RED_ZONE_RESERVE): New constant.
7332 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7334 * toplev.c (set_float_handler): Use memcpy, not bcopy.
7336 2001-03-25 Kazu Hirata <kazu@hxi.com>
7338 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
7341 (umodhi3): Likewise.
7344 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7346 * mkconfig.sh (DEFINES): Handle entries with '='.
7348 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
7349 Set xm_defines to MACRO=value instead.
7351 * i370/xm-mvs.h: Delete.
7353 * ns32k/xm-pc532-min.h: Likewise.
7355 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
7357 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
7359 use ix86_expand_binary_operator
7360 (?sh??i_?): Disable for 64bit.
7361 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
7362 * i386.c (shiftdi_operand): New predicate.
7364 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
7365 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
7366 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
7367 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
7368 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
7369 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
7370 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
7371 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
7372 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
7373 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
7374 (rotldi3, rotrdi3): New expanders.
7376 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
7378 * i386.md (movstrsi): Move offline.
7380 (strmovdi_rex64): New.
7381 (strmov?i): Accept 64bit.
7382 (strmov?i_rex64): New.
7383 (strmov?i_rex_1): New.
7384 (strmov?i_1): Disable for 64bit.
7385 (rep_mov?i_rex64): New.
7386 (rep_mov?i): Disable for 64bit.
7387 (clrstrsi): Move offline.
7388 (strset?i_rex64): New.
7389 (strset?i: Accept 64bit.
7390 (rep_stos?i): Disable for 64bit.
7391 (rep_stos?i_rex64): New.
7392 (strset?i_rex_1): New.
7393 (strset?i_1): Disable for 64bit.
7394 (cmpstrsi): Accept 64bit.
7395 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
7396 (cmpstrqi_nz_rex_1): New.
7397 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
7398 (strlensi): Move offline.
7400 (strlenqi_1): Disable for 64bit; fix constraints.
7401 (strlenqi_rex_1): New.
7402 * i386.c (ix86_adjust_counter): New static function.
7403 (ix86_zero_extend_to_Pmode): Likewise.
7404 (ix86_expand_aligntest): Likweise.
7405 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
7406 (ix86_expand_movstr): New global function.
7407 (ix86_expand_clrstr): New global function.
7408 (ix86_expand_strlen): New global function.
7409 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
7410 ix86_expand_strlen): Declare.
7411 (ix86_expand_strlensi_unroll_1): Delete.
7413 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
7415 * i386.md (cmpdi): Fix operand predicates.
7416 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
7417 cmpdi_1_insn_rex64): New patterns.
7418 (adddi3): Turn to expander.
7419 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
7420 (addsi3_carry_zext): New pattern.
7421 (adddi_?_rex64): New patterns and splitters.
7422 (addsi_?_zext): New patterns.
7423 (subsi3_carry_zext): New pattern.
7424 (subdi_?_rex64): New patterns and splitters.
7425 (iorsi_?_zext): New patterns.
7426 (iordi_?_rex64): New patterns and splitters.
7427 (iorsi_?_zext): New patterns.
7428 (iorsi_?_zext_imm): New patterns.
7429 (xorsi_?_zext): New patterns.
7430 (xordi_?_rex64): New patterns and splitters.
7431 (xorsi_?_zext): New patterns.
7432 (negdi*): New patterns.
7433 (one_cmpldi*): Likewise.
7434 (one_cmplsi*_zext, negsi*_zext): Likewise.
7435 (testqi_ext_3_rex64): New pattern.
7437 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
7439 * i386-protos.h (ix86_split_long_move): Return void.
7440 * i386.c (ix86_split_to_parts): Handle 64bit target.
7441 (ix86_split_long_move): Likewise.
7442 * i386.md (all calls to ix86_split_long_move): Update.
7444 2001-03-23 Richard Henderson <rth@redhat.com>
7446 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
7447 to avoid shadowing arguments.
7449 2001-03-23 Jakub Jelinek <jakub@redhat.com>
7451 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
7452 to variable names where DECL_NAME is different from
7453 DECL_ASSEMBLER_NAME.
7455 2001-03-23 Jim Wilson <wilson@redhat.com>
7457 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
7458 (assemble_alias): Call make_decl_rtl.
7460 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
7462 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
7464 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
7466 * extend.texi: Document the "java_interface" attribute.
7468 2001-03-22 Zack Weinberg <zackw@stanford.edu>
7470 * mkconfig.sh: Use a subshell with redirected stdout,
7471 instead of closing stdout and confusing commands that run
7472 afterward. Throw away output of cmp.
7474 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
7476 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
7478 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
7480 * i386.md (zero_extendsidi2_32): Break out from ...
7481 (zero_extendsidi2): ... here ; turn to expander.
7482 (zero_extendsidi2_rex64): New.
7483 (extendsidi2_32): Break out from ...
7484 (extendsidi2): ... here ; turn to expander.
7485 (extendsidi2_rex64): New.
7486 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
7487 (trunc?f?f splitters): Add 64bit versions.
7489 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
7491 * i386.md (pushsi, pushsi2_prologue): Disable.
7492 (pushsi2_rex64): New.
7493 (movabs?i_1_rex64, movabs?i_2_rex64): New.
7494 (movqi_ext_1): Disable for 64bit.
7495 (movqi_ext_1_rex64): New.
7496 (pushdi2_rex64): New pattern, peep2s and splitter.
7497 (pushdi2_prologue_rex64): New pattern.
7498 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
7500 (movdi splitters): Disable for 64bit.
7501 (movdi_1_rex64): New pattern, peep2s and splitters.
7502 (swapdi): New pattern.
7503 (pushsf): Disable for 64bit.
7504 (pushsf_rex64): New pattern and splitter.
7505 (pushdf_nointeger): Disable for 64bit.
7506 (pushdf_integer): Handle the 64bit case.
7507 (pushtf): Likewise; update splitters.
7509 2001-03-22 Richard Henderson <rth@redhat.com>
7511 * mkconfig.sh: Include insn-flags.h.
7512 * Makefile.in (CONFIG_H): Include insn-flags.h.
7513 (lots of objects): Remove insn-codes.h and insn-flags.h.
7515 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
7516 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
7517 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
7518 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
7519 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
7520 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
7521 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
7522 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
7523 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
7524 v850/v850.c, vax/vax.c:
7525 Don't include insn-flags.h.
7527 * diagnostic.c, expr.h, reload.c, toplev.c:
7528 Don't include insn-codes.h.
7530 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
7531 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
7532 c4x/c4x.c, i960/i960.c, mips/mips.c:
7533 Don't include insn-codes.h or insn-flags.h.
7535 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
7536 or insn-flags.h in the generated code.
7537 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
7538 (main): Forward declare struct rtx_def.
7540 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
7542 * invoke.texi (-ffast-math): Remove duplicate line about
7545 * gcc.texi: Remove more obsolete documentation of bugs and
7546 installation problems.
7548 2001-03-21 Kazu Hirata <kazu@hxi.com>
7550 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
7553 2001-03-20 Jason Merrill <jason@redhat.com>
7555 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
7557 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
7558 * varasm.c (CHKR_PREFIX): Likewise.
7560 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7562 * gcse.c (hash_scan_set): An expression is not anticipatible if it
7563 is part of a multi-SET insn.
7565 * cse.c (find_comparison_args): Remove previous change.
7566 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
7569 * config/i386/i386.md (conditional_trap): Remove warning.
7571 * recog.c (push_operand): Fix error in last change that caused
7572 undefined symbol on many targets.
7574 * sdbout.c: #include ggc.h.
7575 (sdbout_init): Move to end of file.
7576 Call ggc_add_tree_root for anonymous_types.
7577 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
7578 (sdbout_one_type): Use DECL_NAME for field name.
7579 * Makefile.in (sdbout.o): Show includes ggc.h.
7581 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
7583 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
7584 (override_options): Use properlimits for preferred_stack_boundary.
7585 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
7587 (ext_register_operand): Accept DImode.
7588 (load_pic_register): Abort on 64bit.
7589 (gen_push): Use Pmode instead of SImode.
7590 (ix86_save_reg): Pic reg is never used on 64bit.
7591 (ix86_expand_prologue): Likewise.
7592 (ix86_emit_save_regs): Use Pmode instead of SImode.
7593 (legitimate_address_p): Check displacement for 64bit.
7594 (print_operand): Avoid outputting of (%rip) on 64bit.
7595 (print_operand_address): Output (%rip) where possible.
7596 (split_di): Abort on 64bit registers.
7597 (ix86_expand_branch): DImode comparison is simple for x86_64.
7598 (memory_address_length): Recognize memory addresses formed using
7600 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
7602 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
7604 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
7606 * recog.c (push_operand): Recognize new format of push instructions.
7608 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
7610 * i386.md (pushqi1): New.
7611 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
7612 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7613 x86_64_immediate_operand, x86_64_immediate_operand,
7614 x86_64_zext_immediate_operand): Declare.
7615 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
7616 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
7617 x86_64_immediate_operand, x86_64_immediate_operand,
7618 x86_64_zext_immediate_operand): define.
7619 * i386.h (PREDICATE_CODES): Add new predicates.
7621 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
7623 * i386.md (pophi1, popqi1, pushqi1): Remove.
7625 * expr.c (emit_single_push_insn): New function.
7626 (move_by_pieces): Accept NULL as destination for push instructions.
7627 (gen_push_operand): Kill.
7628 (emit_push_insn): Pass NULL when pushing; avoid updating of
7629 stack_pointer_delta.
7630 * expr.h (gen_push_operand): Kill.
7632 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7634 * rtl.texi (COMPARE): Clarify documentation and reference section
7637 2001-03-20 Stan Shebs <shebs@apple.com>
7639 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
7640 (get_object_reference): Ditto.
7641 (error_with_ivar): Use error_with_file_and_line.
7642 (warn_with_method): Use warning_with_file_and_line.
7644 2001-03-20 Tom Tromey <tromey@redhat.com>
7646 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7648 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7650 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7651 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7653 2001-03-20 DJ Delorie <dj@redhat.com>
7655 * Makefile.in (install-libgcc): Pass complete list of variables.
7656 (install-multilib): Ditto.
7658 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7660 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7661 drectve_section, switch_to_section.
7663 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7664 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7665 i386_pe_mark_dllimport.
7667 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7669 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7670 functions i386_pe_*.
7672 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7673 i386_pe_* functions with char * arguments.
7675 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7677 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7679 (movsi_ie): Introduce fpul store.
7681 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7683 * Makefile.in (OBJS): Remove hashtab.o.
7685 2001-03-19 Stan Shebs <shebs@apple.com>
7687 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7688 * c-lang.c (maybe_objc_method_name): Ditto.
7689 * c-tree.h (maybe_objc_method_name): Remove decl.
7691 2001-03-19 Tom Tromey <tromey@redhat.com>
7693 * gcc.c (init_gcc_specs): Fix comment.
7695 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7697 Compute DECL_ASSEMBLER_NAME lazily.
7698 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7699 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7700 (SET_DECL_ASSEMBLER_NAME): Likewise.
7701 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7702 (set_decl_assembler_name): Declare.
7703 (lang_set_decl_assembler_name): Likewise.
7704 * tree.c (lang_set_decl_assembler_name): New variab.e
7705 (set_decl_assembler_name): New function.
7706 (init_obstacks): Set lang_set_decl_assembler_name.
7707 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7708 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7709 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7710 where it's not necessary.
7711 (builtin_function): Likewise.
7712 (finish_decl): Likewise.
7713 * dbxout.c (dbxout_type_methods): Likewise.
7714 * ggc-common.c (ggc_mark_trees): Likewise.
7715 * profile.c (output_func_start_profiler): Likewise.
7716 * varasm.c (make_decl_rtl): Likewise.
7718 * cse.c (find_comparison_args): Update documentation. Fix
7719 mishandling of COMPARE operations.
7721 * tree.def (ABS_EXPR): Add documentation.
7722 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7724 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7726 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7728 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7730 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7731 Remove ia32 linux PIC kludge and move it...
7732 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7734 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7736 * i386.md (absdf2 expander): Fix 64bit case.
7738 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7740 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7742 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7744 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7746 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7748 * README.X11: Remove obsolete file.
7750 2001-03-18 Anthony Green <green@redhat.com>
7752 * config/pj/pj.h: Remove some trailing commas.
7753 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7755 2001-03-18 Richard Henderson <rth@redhat.com>
7757 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7758 * calls.c: ... here.
7759 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7760 defaults for them here.
7762 2001-03-17 Anthony Green <green@redhat.com>
7764 * config/pj/lib1funcs.S: Fix broken comment.
7765 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7768 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7770 * gcc.texi: Remove obsolete information relating to build and
7771 installation problems with enquire or the Pyramid C compiler.
7773 2001-03-17 Richard Henderson <rth@redhat.com>
7775 * dwarf2out.c (queue_reg_save): New.
7776 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7777 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7779 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7780 (cfa, cfa_store, cfa_temp): Make static.
7781 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7783 2001-03-17 Richard Henderson <rth@redhat.com>
7785 * integrate.h (struct inline_remap): Add local_return_label.
7786 * integrate.c (expand_inline_function): Initialize it and emit
7787 it after copy_insn_notes.
7788 (copy_insn_list): Don't store local_return_label here.
7789 (copy_insn_notes): New function split out from copy_insn_list.
7791 2001-03-17 Richard Henderson <rth@redhat.com>
7793 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7794 is generating .debug_line.
7795 (dwarf2out_init): Add main_input_filename to the file table first.
7796 * configure.in (as_dwarf2_debug_line): Test with file number 1
7797 instead of file number 0.
7799 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7801 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7802 (gen_rtx_combine): Deleted; all references changed as appropriate.
7803 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7805 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7807 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7809 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7812 2001-03-16 Jim Wilson <wilson@redhat.com>
7814 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7815 then set it to LOC_REG (79) instead of aborting.
7817 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7819 * gccbug.in: Remove high priority.
7821 2001-03-16 Richard Henerson <rth@redhat.com>
7823 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7824 output with a space instead of deleting it.
7825 * configure: Regenerate.
7827 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7829 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7830 handles the gory details of converting an object file into
7831 something that's safe to grep.
7832 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7833 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7834 newlines at either end of the string we're looking for.
7835 Make 'checking ...' message less stilted.
7836 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7837 ARM in-memory layout and its hypothetical converse. Don't
7838 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7839 HOST_WORDS_BIG_ENDIAN.
7841 * configure.in: Adjust for renamed macro. Move
7842 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7843 * configure, config.in: Regenerate.
7845 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7847 * fixinc/Makefile.in: Set SHELL.
7849 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7851 * fixinc/fixincl.c (fix_with_system): Quote file names before
7852 passing them to shell.
7854 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7856 * Makefile.in: Use fix-header$(build_exeext) instead
7859 2001-03-16 Richard Henderson <rth@redhat.com>
7861 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7862 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7863 (size_of_line_prolog): Remove.
7864 (output_line_info): Compute prologue size via label difference.
7865 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7867 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7868 assembler error when redefining file numbers.
7869 * config.in, configure: Rebuild.
7871 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7872 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7873 (dw2_asm_output_delta_uleb128): Likewise.
7874 (dw2_asm_output_delta_sleb128): Similarly.
7875 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7877 2001-03-16 Michael Meissner <meissner@redhat.com>
7879 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7881 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7883 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7885 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7886 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7887 being unsigned in ISO C and signed in traditional.
7888 (expand_prologue): Ditto.
7889 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7891 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7893 (divsi3,divdi3): Ditto.
7894 (modsi3,moddi3): Ditto.
7895 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7896 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7897 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7900 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7902 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7903 SSE based conditional moves on LTGT/UNEQ conditions;
7904 Canonicalize EQ to NE.
7905 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7906 (sse_mov?fcc_ne): New.
7908 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7910 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7912 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7913 register may be dead.
7915 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7917 * Makefile.in (hash.o): Depend on CONFIG_H.
7919 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7921 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7923 2001-03-15 Richard Henderson <rth@redhat.com>
7925 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7926 (ASM_OUTPUT_DWARF_PCREL): New.
7927 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7929 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7931 * cppfiles.c (stack_include_file): Use MAX of sysp.
7933 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7935 * config.gcc (ia64*-*-hpux*): New case.
7936 * config/ia64/hpux.h: New file for HP-UX support.
7937 * config/ia64/t-hpux: New file for HP-UX support.
7939 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7941 * fixinc/inclhack.def (irix_stdio_va_list): New.
7942 * fixinc/fixincl.x: Rebuilt.
7944 2001-03-15 Richard Henderson <rth@redhat.com>
7946 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7947 if provided by the target.
7948 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7949 (dw2_asm_output_addr): New.
7950 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7951 * dwarf2out.c (output_cfi): Use it for program addresses.
7952 (output_call_frame_info, output_die): Likewise.
7953 (output_aranges, output_line_info): Likewise.
7955 2001-03-15 Bruce Korb <bkorb@gnu.org>
7957 * gcc.c(main): make more rigorous
7958 * collect2.c(main): guard against ignoring SIGCHLD
7959 * protoize.c(main): ditto
7960 * gcc/fixinc/fixincl.c(initialize): ditto
7962 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7964 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7965 (sdbout_parms): Likewise.
7967 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7969 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7970 "widen" a destination that is already wider than a word. Also do
7971 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7973 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7975 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7977 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7979 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7981 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7983 * i960.h (i960_maxbitalignment,
7984 i960_last_maxbitalignment): Declare.
7985 * i960.c (i960_maxbitalignment,
7986 i960_last_maxbitalignment): Make global.
7987 (process_pragma): Delete.
7988 (i960_pr_align, i960_pr_noalign): Move from here ...
7989 * i960-c.c: ... to this new file.
7990 * t-960bare (i960-c.o): New rule.
7991 * t-vxworks960 (i960-c.o): Likewise.
7992 * config.gcc (i960-*-*): Define c_target_objs and
7995 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7997 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7998 without adding in rtx code and mode.
8000 * alias.c (init_alias_analysis): Don't use any rtx whose value
8001 varies as a known value.
8002 Delete a superfluous test.
8004 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
8006 (ia64_sched_reorder): Call maybe_rotate; also rotate after
8007 scheduling a stop bit.
8008 (ia64_emit_nops): Correctly handle ASMs.
8010 2001-03-15 Mark Mitchell <mark@codesourcery.com>
8012 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
8014 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
8016 * cpp.texi: Update documentation for -include and -imacros.
8017 * cppfiles.c (struct include_file): Remove "defined" memeber.
8018 (find_or_create_entry): Make a copy of the file name, and
8020 (open_file): Update to ensure we use the simplified filename.
8021 (stack_include_file): Don't set search_from.
8022 (cpp_included): Don't simplify the path name here.
8023 (find_include_file): New prototype. Call search_from to
8024 get the start of the "" include chain. Don't simplify the
8026 (_cpp_execute_include): New prototype. Move diagnostics to
8027 do_include_common. Update.
8028 (_cpp_pop_file_buffer): Don't set defined.
8029 (search_from): New prototype. Use the preprocessor's cwd
8030 for files included from the command line.
8031 (read_name_map): Don't simplify the pathname here.
8032 * cpphash.h (enum include_type): New.
8033 (struct buffer): Delete search from. New search_cached.
8034 (_cpp_execute_include): Update prototype.
8035 * cppinit.c (do_includes): Use _cpp_execute_include.
8036 * cpplib.c (do_include_common): New function.
8037 (do_include, do_include_next, do_import): Use it.
8039 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8041 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
8042 contents of the RTL, to determine the name of the object.
8044 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8046 * tree.h (DECL_RTL): Allocate RTL lazily.
8047 (SET_DECL_RTL): New macro.
8048 (DECL_RTL_SET_P): Likewise.
8049 (COPY_DECL_RTL): Likewise.
8050 (DECL_RTL_IF_SET): Likewise.
8051 * varasm.c (make_decl_rtl): Add assertions about the kind of
8052 declaration we are processing.
8053 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
8054 (start_decl): Likewise.
8055 (finish_decl): Likewise.
8056 * c-semantics.c (emit_local_var): Likewise.
8057 * calls.c (expand_call): Likewise.
8058 * dbxout.c (dbxout_symbol): Likewise.
8059 * emit-rtl.c (unshare_all_rtl): Likewise.
8060 (unshare_all_decls): Likewise.
8061 (reset_used_decls): Likewise.
8062 * expr.c (store_constructor): Likewise.
8063 (safe_from_p): Likewise.
8064 (expand_expr): Likewise.
8065 * function.c (put_var_into_stack): Likewise.
8066 (instantiate_decls_1): Likewise.
8067 (assign_parms): Likewise.
8068 (expand_function_start): Likewise.
8069 (expand_function_end): Likewise.
8070 * ggc-common.c (gcc_mark_trees): Likewise.
8071 * integrate.c (function_cannot_inline_p): Likewise.
8072 (copy_decl_for_inlining): Likewise.
8073 (expand_inline_function): Likewise.
8074 (integrate_parm_decls): Likewise.
8075 (integrate_decl_tree): Likewise.
8076 * print-tree.c (print_node): Likewise.
8077 * reg-stack.c (stack_result): Likewise.
8078 * stmt.c (label_rtx): Likewise.
8079 (expand_return): Likewise.
8080 (expand_decl): Likewise.
8081 (expand_decl_cleanup): Likewise.
8082 (expand_anon_union_decl): Likewise.
8083 * toplev.c (check_global_declarations): Likewise.
8084 (rest_of_decl_compilation): Likewise.
8085 * tree.c (simple_cst_equal): Likewise.
8086 * objc/objc-act.c (generate_static_references): Likewise.
8088 2001-03-14 Zack Weinberg <zackw@stanford.edu>
8090 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
8091 gcc_AC_C_FLOAT_FORMAT): New macros.
8092 * configure.in: Add AC_PROG_CPP after CC tests;
8093 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
8094 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
8095 * configure, config.in: Regenerate.
8097 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
8098 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8099 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8100 config/i370/xm-linux.h, config/i370/xm-oe.h,
8101 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8102 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
8103 config/pa/xm-linux.h, config/pa/xm-pa.h,
8104 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
8105 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
8106 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
8107 config/we32k/xm-we32k.h: Delete.
8109 * config/i370/xm-mvs.h, config/m88k/m88k.h,
8110 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8111 config/vax/xm-vms.h: Don't define any of:
8112 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
8114 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
8116 * config.gcc: Remove references to deleted files.
8117 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
8118 FATAL_EXIT_CODE, which is the same between oe and mvs).
8120 2001-03-14 DJ Delorie <dj@redhat.com>
8121 Vladimir Makarov <vmakarov@redhat.com>
8123 * config/i960/i960.c (i960_function_prologue): Compute size of
8124 frame according to number of registers actually saved there.
8126 2001-03-14 Richard Henderson <rth@redhat.com>
8128 * expr.c (emit_move_insn_1): Fix else if around #endif.
8130 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
8133 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
8136 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
8138 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
8139 (override_options): Parse cmodel string.
8140 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
8141 * i386.h (TARGET_OPTIONS): Add "cmodel".
8142 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
8144 (ix86_cmodel_string, ix86_cmodel): Declare.
8146 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
8149 * i386.h (GENERAL_REG_P): Add missing REG_P.
8151 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
8153 * configure.in: Use $gcc_cv_as instead of $as.
8154 * configure: Regenerated.
8156 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
8158 * cppfiles.c (stack_include_file): Only increase the include
8159 count if we actually process the file properly, as opposed
8160 to treating it as length zero. Only call read_include_file
8161 if not DO_NOT_REREAD. Handle the -H include file output
8163 (read_include_file): Remove now redundant DO_NOT_REREAD check.
8164 (cpp_included, find_include_file): Simplify pathnames after
8165 remapping them. If remapping, don't use the remapped file
8166 name's buffer as our scratch buffer.
8167 (cpp_pop_file_buffer): Replace the multiple include macro
8168 only if it isn't yet set.
8169 (read_name_map): Simplify remapped names when reading in.
8170 (remap_filename): Move code to code path that uses it.
8171 (_cpp_simplify_pathname): Return the input pointer.
8172 * cpphash.h (_cpp_simplify_pathname): Update prototype.
8174 2001-03-14 Mark Mitchell <mark@codesourcery.com>
8176 * expr.c (expand_expr): Revove bogus conditional.
8178 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
8180 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
8182 2001-03-14 Jakub Jelinek <jakub@redhat.com>
8184 * reg-stack.c (stack_result): Unconditionally use
8185 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
8187 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
8189 * expr.c (emit_move_insn_1): Split push of complex value when
8190 no suitable push instruction exist.
8192 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
8193 instead of QI_REG_P.
8195 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8197 * alias.c (handled_component_p, can_address_p): New functions.
8198 (get_alias_set): Use them.
8200 2001-03-13 Jim Wilson <wilson@redhat.com>
8202 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
8203 from 80 in try_locals code.
8204 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
8206 2001-03-13 Zack Weinberg <zackw@stanford.edu>
8208 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
8209 gcc_AC_C_LONG_LONG): New.
8210 * configure.in: Use them. Probe the size of short, int, long,
8211 and long long/__int64 if we have them. Move all the AC_C_*
8212 checks together, except gcc_AC_C_CHAR_BIT which has to go
8213 after AC_CHECK_HEADERS(limits.h).
8214 Take hwint.h out of host_xm_file and build_xm_file.
8216 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
8217 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
8218 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
8219 Move the HOST_WIDEST_INT setup logic here from system.h.
8220 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
8222 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
8223 is now handled by hwint.h.
8225 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
8226 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
8227 config/ia64/xm-ia64.h: Don't define any of:
8228 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
8229 HOST_BITS_PER_LONGLONG.
8231 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
8232 config/h8300/xm-h8300.h, config/mips/iris6.h,
8233 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
8234 config/sparc/xm-sp64.h: Delete.
8235 * config.gcc: Remove references to deleted files.
8237 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
8238 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
8239 * config/i370/xm-linux.h: Clarify floating-point situation in
8242 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
8244 * cppfiles.c (NO_INCLUDE_PATH): New macro.
8245 (find_include_file): Decide here which part of the include
8246 chain to start the search. Complain about an empty include
8247 chain in all cases apart from an abolsute file name.
8248 (_cpp_execute_include): Don't choose the search chain here.
8249 Don't call handle_missing_include in the case of an empty
8251 (_cpp_compare_file_date): Don't choose the search chain here.
8252 * cpplib.c (do_include_next): Move the in-main-file diagnostic
8253 here from _cpp_execute_include. Behave like #include if
8254 we're in the main file.
8256 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8258 * system.h (malloc, realloc, calloc, strdup): Only poison these
8259 tokens when IN_GCC is defined.
8261 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
8263 * i386.md (abs?f expander): Support SSE case.
8264 (abd?f_if): Add new "USE"; add splitters.
8266 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8268 * cpp.texi (poison): Explain the macro expansion exception.
8270 2001-03-13 Jakub Jelinek <jakub@redhat.com>
8272 * expr.c (store_expr): Add dont_store_target. If temp is already in
8273 target before copying to reg, don't store it into target again.
8275 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8277 * cppinternals.texi: Update for file handling.
8279 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8281 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
8282 2001-02-24 which broke building the Java library.
8283 * function.c (identify_blocks): Likewise.
8284 (all_blocks): Likewise.
8285 * integrate.c (integrate_decl_tree): Likewise.
8286 * print-tree.c (print_node): Likewise.
8287 * tree.h (BLOCK_NUMBER): Likewise.
8288 (struct tree_block): Likewise.
8290 2001-03-12 David Edelsohn <edelsohn@gnu.org>
8292 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
8293 __WCHAR_TYPE__ definition.
8294 (WCHAR_TYPE_SIZE): #undef before #define.
8296 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8298 * cppfiles.c: Update comments.
8299 (destroy_include_file_node): Rename destroy_node.
8300 (find_or_create_entry): New function.
8301 (open_file, _cpp_fake_include): Use it.
8302 (handle_missing_header): New function, broken out of
8303 _cpp_execute include. Don't segfault if there is no
8304 system or quoted path.
8305 (_cpp_execute_include): Use handle_missing_header.
8307 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
8309 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
8310 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
8312 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8314 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
8315 unless anti_dependence says they are.
8316 * alias.c (objects_must_conflict): If neither has a type specified,
8319 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
8320 David Billinghurst <David.Billinghurst@riotinto.com>
8322 * config/mips/iris5.h: Change WCHAR_TYPE to int.
8324 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
8326 * i386.md (trunctfdf2_2): Rename missnamed pattern.
8327 (*_one_bit): Remove type on the match_operand in attributes.
8329 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
8331 * i386.c: Commit forgotten hunk in previous patch.
8332 (regclass_map): Add extended registers.
8333 (dbx_register_map): Add missing frame register.
8335 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
8337 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
8339 * i386.md (x86_sahf_1): Disable for 64bit.
8340 (popsi*, pophi*): Likewise.
8341 (pushqi, pushhi): Likewise.
8342 (movdi, pushdi): Likewise.
8343 (zero extend DImode splitter): Likewise.
8344 (adddi, minusdi splitter): Likewise.
8345 (umulsidi): Likewise.
8347 (mulsidi): Disable for 64bit
8348 (lshift:DI/ashift:DI): Disable for 64bit.
8349 (loop patterns): Likewise.
8350 (call_pop, call_value_pop expanders and patterns): Likewise.
8351 (prologue_get_pc): Likewise.
8353 (fcmovDI pattern and splitter): Likewise.
8354 (movdfcc_1_rex64): New.
8356 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
8358 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
8359 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
8360 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
8361 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
8362 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
8363 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
8364 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
8365 (PUSH_ROUNDING): x86_64 rounds to 64bits.
8366 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
8367 (REGPARM_MAX): Set to 6 for x86_64.
8368 (SSE_REGPARM_MAX): Set to 16 for x86_64.
8369 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
8372 * (patterns that does use upper halves): Update constraints
8373 'q' to 'Q' and 'r' to 'R'.
8374 (cmpqi_ext_1): Disable for 64bit.
8375 (cmpqi_ext_3_insn): Likewise.
8376 (movqi_extzv_1): Likewsie.
8377 (addqi_ext_1): Liekwsie
8378 (testqi_ext_1): Liekwsie
8379 (andqi_ext_1): Liekwsie
8380 (xorqi_ext_1): Liekwsie
8381 (cmpqi_ext_1_rex64): New.
8382 (cmpqi_ext_3_insn_rex64): Likewise.
8383 (movqi_extzv_1_rex64): Likewsie.
8384 (addqi_ext_1_rex64): Liekwsie
8385 (testqi_ext_1_rex64): Liekwsie
8386 (andqi_ext_1_rex64): Liekwsie
8387 (xorqi_ext_1_rex64): Liekwsie
8389 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8391 * configure.in: Move check for unsigned enumerated bitfields
8392 to macro in aclocal.m4. Disable it for now.
8393 * configure, config.in: Regenerate.
8394 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
8395 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
8396 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
8397 kind above its first use.
8399 * config/xm-interix.h, config/alpha/xm-alpha.h,
8400 config/i370/xm-linux.h, config/i386/xm-beos.h,
8401 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
8402 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8403 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
8404 Don't define ONLY_INT_FIELDS under any circumstances.
8406 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
8408 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8409 config/sparc/xm-sysv4.h: Delete - now identical with some
8411 * config.gcc (hppa targets): Replace xm-pahpux.h and
8412 xm-papro.h with implicit xm-pa.h.
8413 (sparc targets): Replace xm-sysv4.h with implicit or explicit
8416 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
8418 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
8419 before reload_cse_noop_set_p.
8421 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8423 * config.gcc: Where xm-host.h used to include another
8424 xm-host.h, list the nested header directly in xm_file. Remove
8425 references to deleted files. Can now use sparc/xm-sp64.h for
8428 * config/xm-linux.h, config/arm/xm-linux.h,
8429 config/i386/xm-dos.h, config/i386/xm-gnu.h,
8430 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
8431 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
8432 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
8433 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
8436 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
8437 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
8438 bother to wrap #undef in #ifdef.
8439 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
8440 Don't include xm-linux.h.
8441 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
8443 * configure.in: Wrap regexps using [] in changequote block.
8444 Use expr : not echo | grep. Simplify regexps.
8445 * configure: Regenerate.
8447 56 xm-files remain, 22 xm-arch.
8449 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8451 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
8452 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8453 (local_index, local_rindex): Delete, use strchr/strrchr instead.
8454 (copy_object): Fix format specifier vs argument mismatch.
8456 * mips-tdump.c: Make local functions static.
8457 (rindex): Don't #undef.
8458 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
8459 (fatal, fancy_abort): Delete.
8460 (read_seek): Avoid signed/unsigned compare.
8462 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8464 * combine.c (try_combine): Fix error in change to try original
8466 (gen_rtx_combine): Do same as gen_rtx for now.
8468 2001-03-11 Zack Weinberg <zackw@stanford.edu>
8470 * configure.in: AC_SUBST xm_defines.
8471 * configure: Regenerate.
8472 * Makefile.in: Set DEFINES=$(xm_defines) when building
8475 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
8477 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
8478 (cpp_included, find_include_file): Update.
8479 (_cpp_compare_file_date): Make else unconditional.
8481 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
8483 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
8485 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8487 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
8488 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
8490 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
8492 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
8493 if it's a record type.
8495 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
8497 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
8498 mingw includes slightly.
8500 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8502 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
8503 #undef token before poisoning it.
8505 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8507 * alpha.c (check_float_value): Use memcpy, not bcopy.
8509 * m32r.c (m32r_sched_reorder): Likewise.
8511 * vax.c (check_float_value): Likewise.
8513 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8515 * toplev.c (file_name_nondirectory): Remove.
8516 * toplev.h: Similarly.
8517 * dwarf2out.c (compute_section_prefix): Use lbasename instead
8518 of file_name_nondirectory.
8520 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8522 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
8523 * mips-tfile.c: Don't #undef rindex; not used.
8525 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
8527 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
8528 (dbx64_register_map): Declare.
8529 (RETURN_ADDR_RTX): Fix for 64bit.
8530 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
8531 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8532 * i386.c (dbx64_register_map): New global array.
8533 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
8534 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
8537 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
8539 * cppfiles.c (search_from): Use lbasename.
8540 * mkdeps.c (deps_add_default_target): Use lbasename.
8542 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8544 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
8545 xcalloc in lieu of malloc, realloc & calloc.
8547 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8549 * gengenrtl.c (xmalloc): Likewise.
8551 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
8552 really_call_* memory allocation routines.
8554 * stmt.c (check_for_full_enumeration_handling): Use
8555 really_call_calloc, not calloc.
8557 * system.h (really_call_malloc, really_call_calloc,
8558 really_call_realloc): Define.
8559 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
8561 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
8563 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
8565 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
8567 * configure: Rebuilt.
8568 * configure.in: Only use `lang_requires' for languages athat are
8571 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
8573 * invoke.texi: Fix typo.
8574 * gcc.1: Regenerate.
8576 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8578 * configure.in: Prune nonexistent files from build_xm_file,
8579 xm_file, and host_xm_file lists. Warn unless they're
8581 Don't generate *config.h here.
8582 AC_SUBST all variables needed to generate *config.h.
8583 * configure: Regenerate.
8584 * mkconfig.sh: New helper script, from code removed from
8586 * Makefile.in: Zap all MALLOC variables - no longer used
8587 anywhere, and malloc.c doesn't exist.
8588 Substitute in variables needed to generate *config.h.
8589 Stop lying about the dependencies contained in CONFIG_H and
8591 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
8592 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
8593 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
8594 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
8595 $(TM_P_H), etc. as appropriate.
8597 * config.gcc: Zap references to deleted files.
8598 * ggc-none.c: Don't include rtl.h or tm_p.h.
8600 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
8601 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
8602 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
8603 config/i386/xm-linux.h, config/i386/xm-linux.h,
8604 config/i386/xm-next.h, config/i386/xm-openbsd.h,
8605 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
8606 Don't include i386/xm-i386.h.
8608 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
8609 config/i386/xm-i386.h, config/i860/xm-i860.h,
8610 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
8611 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8612 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
8613 Delete (empty except comments, #includes of other deleted
8614 files, and macros used nowhere).
8616 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
8618 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
8619 independent on TARGET_FLAGS.
8621 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8623 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
8625 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
8627 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
8629 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
8630 LAST_REX_SSE_REG): define.
8631 (enum reg_class): Add 'LEGACY_REGS'
8632 (REG_CLASS_CONTENTS): Likewise; add extended registers.
8633 (SSE_REGNO_P): Recognize extended registers.
8634 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
8635 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
8636 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
8637 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
8638 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
8639 REG_OK_FOR_STRREG_P): Remove.
8640 (HI_REGISTER_NAMES): Add extended registers.
8641 (ADDITIONAL_REGISTER_NAMES): Likewise.
8642 (QI_REGISTER_NAMES): Add 8bit extended registers.
8643 (DEBUG_REG): Support extended registers.
8644 * i386.c (regclass_map): Add extended registers.
8645 (dbx_register-map): Likewise.
8646 (svr4_dbx_register_map): Likewise.
8647 (print_reg): Support extended registers.
8648 (print_operand): Support 64bit operands.
8650 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8652 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8653 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8654 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8655 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8656 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8657 STACK_BOUNDARY): Set properly for 64bits.
8658 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8659 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8660 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8661 (MOVE_MAX): Set to 16.
8662 (MOVE_MAX_PIECES): 8 for 64bit.
8663 (Pmode): Set to SImode.
8665 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8667 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8669 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8671 * i386.h (mask_64bit): New constant.
8672 (target_64bit): New macro.
8673 (target_options): Add '64'/'32'
8674 (target_default): Define.
8675 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8676 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8677 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8679 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8681 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8683 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8685 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8686 LO_SUM unless for_alias is set.
8688 2001-03-08 Stan Shebs <shebs@apple.com>
8690 * objc/objc-act.c: Fix old typos in comments, add comments for
8692 (hash_init): Fix file name in error message.
8693 (hash_enter): Ditto.
8694 (hash_add_attr): Ditto.
8695 (continue_class): Ditto.
8697 2001-03-08 Bruce Korb <bkorb@gnu.org>
8699 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8700 wait4() can receive the signal.
8702 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8704 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8706 * fixinc/fixincl.x: Regenerate.
8708 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8710 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8712 * fixinc/fixincl.x: Regenerate.
8714 2001-03-08 Richard Henderson <rth@redhat.com>
8716 * configure.in (HAVE_AS_LEB128): New assembler check.
8717 * configure, config.in: Rebuilt.
8719 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8721 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8724 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8726 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8727 references to the MAXPATHLEN macro.
8729 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8730 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8733 * config/i386/xm-gnu.h, config/xm-gnu.h,
8734 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8735 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8736 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8737 and/or unused files.
8739 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8740 doing so in various xm-*.h files.
8742 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8744 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8746 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8748 * configure.in (enable_shared): Support per-package shared-library
8750 * configure: Rebuilt.
8752 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8754 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8755 for crnot. Set operands[5] in splitter.
8757 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8759 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8760 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8761 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8762 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8763 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8764 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8765 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8768 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8769 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8770 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8771 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8772 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8773 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8774 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8775 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8776 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8777 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8778 Delete unused and/or empty files.
8780 * config.gcc: Define USG in xm_defines as appropriate. Define
8781 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8782 macro. Remove deleted xm-* files from $xm_files variable.
8784 2001-03-07 Tom Tromey <tromey@redhat.com>
8786 * configure: Rebuilt.
8787 * configure.in: Allow config-lang.in to set `lang_requires' to list
8788 of other required languages.
8790 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8792 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8794 (output_prologue): Use xmalloc not oballoc.
8795 (output_epilog): Free a29k_first_epilogue_insn when finished.
8796 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8798 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8800 * builtins.c (expand_builtin_mathfn): Check
8801 flag_unsafe_math_optimizations, not flag_fast_math.
8802 (expand_builtin): Likewise
8803 * combine.c (combine_simplify_rtx): Likewise.
8804 (simplify_if_then_else): Likewise.
8805 * cse.c (fold_rtx): Likewise.
8806 * flags.h: Remove flag_fast_math. Add
8807 flag_unsafe_math_optimizations and flag_trapping_math.
8808 * fold-const.c (negate_expr): Check
8809 flag_unsafe_math_optimizations, not flag_fast_math.
8810 (invert_truthvalue): Likewise.
8811 (fold): Likewise. Before associating operands, check that
8812 code == MULT_EXPR, not code != MULT_EXPR.
8813 * ifcvt.c (noce_try_minmax): Check
8814 flag_unsafe_math_optimizations, not flag_fast_math.
8815 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8816 * invoke.texi: Document -funsafe-math-optimizations and
8817 -fno-trapping-math. Change documentation for -ffast-math.
8818 * jump.c (reversed_comparison_code_parts): Likewise.
8819 (rtx_equal_for_thread_p): Likewise.
8820 * optabs.c (emit_conditional_move): Likewise.
8821 * simplify-rtx.c (simplify_binary_operation): Likewise.
8822 (simplify_relational_operation): Likewise.
8823 (simplify_ternary_operation): Likewise.
8824 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8825 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8826 Add trapping-math and unsafe-math-optimizations entries to f_options.
8827 (set_fast_math_flags): New, sets flags for -ffast-math.
8828 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8829 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8830 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8832 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8833 (alpha_emit_conditional_move): Initialize local_fast_math to
8834 flag_unsafe_math_optimizations, not flat_fast_math.
8835 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8836 instead of setting flag_fast_math to 1.
8837 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8839 * config/i386/i386.c (override_options): Likewise
8840 * config/i386/i386.md: Likewise.
8841 * config/m68k/m68k.md: Likewise.
8842 * config/mips/mips.md: Likewise.
8843 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8844 (rs6000_generate_compare): Likewise.
8846 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8848 * Makefile.in: Set RANLIB to @RANLIB@.
8851 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8853 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8854 * fixinc/fixincl.x: Regenerated.
8856 2001-03-07 Richard Henderson <rth@redhat.com>
8858 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8860 2001-03-07 Richard Henderson <rth@redhat.com>
8862 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8863 of block notes and exception handling notes.
8865 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8866 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8867 (compile_file): ... here.
8869 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8871 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8873 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8874 config.h now. Include libiberty.h to handle alloca.
8876 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8878 * c-parse.in (yylexname): New function, split out of _yylex.
8879 (objc_rid_sans_at): New table.
8880 (init_reswords): Initialize it.
8881 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8882 retrieving the next token and checking it for significance as
8883 an ObjC keyword or string constant.
8885 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8886 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8888 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8891 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8893 * config/m68k/m68k.c (const_uint32_operand): Accept any
8894 const_int on a 32-bit host.
8896 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8898 * objc/objc-act.c (init_objc): Set save_lang_status,
8899 restore_lang_status, and mark_lang_status.
8901 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8903 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8905 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8907 * cppinternals.texi: Update.
8909 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8911 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8912 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8913 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8914 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8915 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8916 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8917 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8918 config/i386/xm-i386.h, config/i860/xm-i860.h,
8919 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8920 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8921 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8922 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8923 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8924 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8925 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8926 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8927 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8928 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8929 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8930 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8931 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8932 match the defaults provided in hwint.h.
8934 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8935 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8937 * config.gcc (xm_file): Don't set to files which are deleted.
8939 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8940 guard this file against these macros being undefined.
8942 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8944 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8945 and DECL_DEFER_OUTPUT on the decl we create, before calling
8946 rest_of_decl_compilation.
8948 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8950 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8952 * configure, config.in: Regenerate.
8953 * config.gcc: Remove references to deleted files.
8955 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8956 genrecog.c, rtl.c: Do not use alloca anywhere.
8958 * Makefile.in, build-make, system.h, config/x-interix,
8959 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8960 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8961 config/arc/xm-arc.h, config/arm/xm-arm.h,
8962 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8963 config/h8300/xm-h8300.h, config/i370/x-oe,
8964 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8965 config/i386/x-ncr3000, config/i386/x-sco5,
8966 config/i386/xm-dgux.h, config/i860/x-sysv4,
8967 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8968 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8969 config/m68k/x-hp320g, config/m69k/x-mot3300,
8970 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8971 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8972 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8973 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8974 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8975 config/mips/x-iris, config/mips/x-iris3,
8976 config/mips/x-sni-svr4, config/mips/x-sysv,
8977 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8978 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8979 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8980 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8981 config/pa/xm-papro.h, config/romp/xm-romp.h,
8982 config/rs6000/x-aix31, config/rs6000/x-aix41,
8983 config/rs6000/x-beos, config/rs6000/x-lynx,
8984 config/rs6000/x-mach, config/rs6000/x-rs6000,
8985 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8986 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8987 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8988 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8989 config/vax/xm-vms.h: Eradicate all references to alloca and
8992 * config/xm-alloca.h, config/clipper/x-clix,
8993 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8994 config/i860/x-sysv3, config/m88k/x-sysv3,
8995 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8996 (contained only alloca related hacks).
8998 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
9001 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
9003 * invoke.texi: Document __FAST_MATH__.
9005 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9007 * crtstuff.c: Restore include of auto-host.h.
9009 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
9011 Put main() in a separate file, so that the language
9012 front-end can use a different main().
9015 * toplev.c: (main): Rename as toplev_main.
9016 * toplev.h: Declare toplev_main.
9017 * Makefile.in (OBJS): add toplev.o.
9018 (BACKEND): remove toplev.o, add main.o.
9020 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9022 * cppfiles.c (search_from): Special case the empty string.
9024 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
9026 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
9027 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
9028 strlen or strcpy; we already know the length.
9029 (_cpp_compare_file_date): Similarly.
9030 * cpphash.h (struct cpp_reader): Delete done_initialising.
9031 (CPP_PREV_BUFFER): Delete.
9032 * cppinit.c (cpp_start_read): Don't set done_initialising.
9033 * cpplex.c (parse_string): Guarantee null-termination.
9034 (_cpp_equiv_toklists): Remove.
9035 * cpplib.c (glue_header_name): Null-terminate.
9036 (do_line): Don't leak memory.
9037 * cpplib.h (BT_WEAK): Delete.
9038 * cppmain.c (cb_ident): Strings are now null-terminated.
9040 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
9042 * gcc.c (convert_filename): Append executable suffix
9043 if NO_AUTO_EXE_SUFFIX is not defined.
9044 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
9045 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
9047 2001-03-03 David O'Brien <obrien@FreeBSD.org>
9049 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
9050 * c-parse.gperf, c-gperf.h: Delete.
9051 (c-gperf.h was accidently re-added to the CVS repo in the rev
9052 1.16 commit by tromey)
9054 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9056 * cpplex.c (_cpp_lex_token): Don't warn about directives in
9057 macro arguments when looking for the '('.
9058 * cppmacro.c (funlike_invocation_p): Set parsing_args to
9059 2 when really parsing arguments; 1 when looking for '('.
9060 Always restore the lexer position.
9062 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9064 * longlong.h (umul_ppmm): Don't use a multiline string.
9066 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
9068 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
9069 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
9070 t_bool in declaration because pcc can't combine volatile with typedef
9073 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
9075 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
9076 until when it is really needed.
9077 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
9078 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
9079 * i386.md (float?i?f splitter): Don't force source operand to memory
9081 (sse_movdfcc): Fix constraint.
9082 (sse_movdfcc splitter): Handle properly the second alternative.
9084 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9086 * cpplex.c (parse_string): Unconditionally pedwarn.
9088 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
9091 * cppexp.c (parse_number): Update.
9092 * cpplex.c (parse_string): Pedwarn if multiline string does not
9093 result from a system header's macro.
9094 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
9095 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
9096 for function-like macros too.
9097 * c-lex.c (lex_number): Update.
9099 2001-03-03 Richard Henderson <rth@redhat.com>
9101 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
9103 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
9105 * combine.c (try_combine): If split with mode-changed scratch
9106 register didn't work, try the original mode.
9108 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
9110 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
9111 * config/c4x/c4x.h: Likewise.
9112 * stor-layout.c (compute_record_mode): Likewise.
9113 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
9115 2001-03-02 Zack Weinberg <zackw@stanford.edu>
9117 * configure.in: Kill tm.h. Include the files in the $tm_file
9118 list in all three of config.h, hconfig.h, tconfig.h, after the
9119 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
9120 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
9121 * configure: Regenerate.
9122 * Makefile.in (clean): Don't delete tm.h.
9124 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
9125 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
9126 those are not defined, set SEC and FEC to 0 and 1.
9127 * gcc.texi: Update to match.
9129 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
9130 * config/fp-bit.c, config/m68k/aux-crt2.asm,
9131 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
9132 Include tconfig.h, not tm.h.
9134 * config/xm-lynx.h, config/xm-std32.h,
9135 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
9136 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
9137 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
9138 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9139 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9140 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9141 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
9142 config/i386/xm-i386.h, config/i860/xm-i860.h,
9143 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
9144 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
9145 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
9146 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
9147 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
9148 config/pa/xm-linux.h, config/pa/xm-pa.h,
9149 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
9150 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
9151 config/pj/xm-pj.h, config/romp/xm-romp.h,
9152 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9153 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9154 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9155 config/v850/xm-v850.h, config/vax/xm-vax.h,
9156 config/we32k/xm-we32k.h:
9158 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
9160 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
9161 config/i370/xm-oe.h: Don't include tm.h. Don't define
9163 * config/vax/xm-vms.h: Don't include tm.h.
9165 * config/xm-lynx.h, config/avr/xm-avr.h,
9166 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
9167 Delete; made empty by above changes.
9168 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
9169 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
9170 Don't include config/xm-lynx.h or tm.h.
9172 * config/xm-gnu.h: Don't include fcntl.h.
9173 * config/sparc/xm-lynx.h: Don't include sys/types.h and
9175 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
9177 2001-03-02 Richard Henderson <rth@redhat.com>
9179 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
9180 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
9182 2001-03-02 Richard Henderson <rth@redhat.com>
9184 * Makefile.in (OBJS): Add dwarf2asm.o.
9185 * dwarf2asm.c, dwarf2asm.h: New files.
9186 * dwarf2out.c (*): Use them.
9187 (size_of_uleb128, size_of_sleb128): Remove.
9188 (output_uleb128, output_sleb128): Remove.
9189 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
9190 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
9191 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
9192 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
9193 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
9194 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
9195 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
9196 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
9197 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
9198 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9199 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
9200 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
9201 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
9202 (dwarf2out_frame_debug): Remove unused variables.
9203 (output_loc_operands): Don't abort on 8 byte constants if
9204 host integers are wide enough.
9205 (output_symbolic_ref): Remove.
9206 (size_of_die): Don't assume 4 byte host integers.
9207 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
9209 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
9210 something stupid with HOST_WIDE_INT to long truncation.
9211 [CONST_DOUBLE]: Likewise.
9213 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
9214 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
9215 * config/arm/unknown-elf.h: Likewise.
9216 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
9217 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
9218 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
9219 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
9220 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
9221 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
9222 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
9223 (ASM_OUTPUT_DWARF_OFFSET): Remove.
9224 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
9225 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
9226 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
9227 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
9229 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9231 * cselib.c (hash_rtx): Cast enums to unsigned int.
9233 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9235 * print-rtl.c (print_rtx): Cast enums to int for comparison.
9236 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
9238 * c-format.c (C_STD_VER): Cast to int for comparisons.
9239 (check_function_format): Cast various enums to int for &.
9240 (maybe_read_dollar_number): Likewise.
9241 (check_format_info): Likewise.
9242 (check_format_info_main): Likewise.
9243 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
9244 (safe_from_p): Likewise.
9245 * varasm.c (const_hash): Cast enum to int for %.
9246 * emit-rtl.c (init_emit_once): Use int loop variable to work around
9247 pcc enum problems with < and ++ operators.
9248 * regclass.c (init_reg_sets_1): Cast enums for comparison.
9249 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
9250 (regclass_init): Change enum class to int to iterate over reg_classes.
9251 * genrecog.c (merge_trees): Cast enums for comparison.
9252 * rtl.h (GET_CODE): Cast to enum rtx_code.
9253 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
9254 (GET_MODE): Cast to enum machine_mode.
9255 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
9256 (GET_NOTE_INSN_NAME): Cast enum to int.
9257 * tree.h (TREE_CODE): Cast to enum tree_code.
9258 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
9259 * timevar.c (timevar_print): Change loop variable id from enum to
9261 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
9262 * config/i386/i386.md: Use PUT_MODE for mode assignment.
9263 * toplev.c (compile_file): Cast enum DFI to int.
9264 (decode_d_option): Likewise.
9266 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
9268 * cppinit.c (append_include_chain): Mark "after" include file name list
9269 as a system directory.
9270 * cpp.texi: Document new behavior.
9272 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
9274 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
9276 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
9278 * cppfiles.c (struct include_file): Update.
9279 (stack_include_file): Use search_from.
9280 (cpp_included, find_include_file): Update.
9281 (cpp_execute_include): Update. ptr->name may not be
9282 null terminated. Use the new search_from member variable
9284 (_cpp_compare_file_date): Similarly.
9285 (search_from): New function, similiar to actual_directory.
9286 (actual_directory): Delete.
9287 (remap_filename): Update. loc->name may not be null terminated.
9288 (struct file_name_list): Rename search_path. Update.
9289 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
9290 search_from and dir.
9291 (struct cpp_reader): Remove actual_dirs.
9292 * cppinit.c (struct cpp_pending): Update for renamed objects.
9293 (append_include_chain, remove_dup_dir, remove_dup_dirs,
9294 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
9295 * cpplib.h (struct cpp_options): Similarly.
9297 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9299 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
9300 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
9301 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
9302 config/clipper/xm-clix.h, config/convex/xm-convex.h,
9303 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
9304 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
9305 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
9306 config/i370/xm-linux.h, config/i370/xm-mvs.h,
9307 config/i370/xm-oe.h, config/i386/xm-aix.h,
9308 config/i386/xm-i386.h, config/i386/xm-osf.h,
9309 config/i860/xm-i860.h, config/i960/xm-i960.h,
9310 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
9311 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
9312 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
9313 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
9314 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
9315 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
9316 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
9317 config/pj/xm-pj.h, config/romp/xm-romp.h,
9318 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
9319 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
9320 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
9321 config/v850/xm-v850.h, config/vax/xm-vax.h,
9322 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
9323 Do not define TRUE or FALSE.
9325 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
9326 empty by above change.
9327 * config.gcc: Remove references to these files.
9329 * configure.in: Detect stdbool.h.
9330 * configure, config.in: Regenerate.
9331 * system.h: Include stddef.h here if available.
9332 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
9333 Then set up a sensible boolean type at the very end.
9335 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
9336 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
9338 * hash.h: Delete 'boolean' typedef and related #undefs.
9340 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
9341 all uses of 'boolean' with 'bool'.
9343 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9345 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
9346 * cppexp.c (lex): Cast enums for comparison.
9347 * cppinit.c (parse_option): Cast enum for comparison.
9348 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
9349 (cpp_output_token): Likewise.
9350 (cpp_can_paste): Cast enums for comparsion and plus/minus.
9351 (cpp_avoid_paste): Cast enums for minus and comparison.
9353 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9355 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
9356 field to all array elements.
9358 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9360 * cpphash.h (struct cpp_reader): Add print_version field.
9361 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
9362 just set print_version and other flags as appropriate.
9363 (cpp_post_options): Print version here if print_version is set.
9365 * toplev.c (exit_after_options): New flag.
9366 (independent_decode_option): Don't exit here; just set
9368 (main): Exit after calling lang_hooks.post_options if
9369 exit_after_options is true.
9371 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
9372 (merge_include_chains): Adjust comment to match code.
9374 2001-03-01 Zack Weinberg <zackw@stanford.edu>
9376 * stringpool.c (set_identifier): New function.
9377 * tree.h: Prototype it.
9379 * c-parse.in: Kill D_YES. If compiled for objc, call
9380 save_and_forget_protocol_qualifiers from init_reswords.
9381 * objc/objc-act.c (remember_protocol_qualifiers,
9382 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
9383 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
9385 (save_and_forget_protocol_qualifiers): New function.
9386 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
9388 2001-03-01 Diego Novillo <dnovillo@redhat.com>
9390 * c-semantics.c (prune_unused_decls): Return error_mark_node
9391 instead of (tree) 1 to stop traversing the tree chain.
9393 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9395 Fix a problem introduced by Kenner's Feb 18 change.
9396 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
9397 flag_cse_skip_blocks only temporarily, not for ever.
9399 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
9401 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
9402 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
9404 * pa.c (emit_move_sequence): Verify operand0 is a hard register
9405 before determining its register class.
9407 2001-03-01 Bernd Schmidt <bernds@redhat.com>
9409 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
9410 from reg 4 if current_function_calls_setjmp.
9411 (gen_nop_type): New function.
9412 (ia64_emit_nops): New function.
9413 (ia64_reorg): Call it.
9414 (ia64_sched_reorder): Move code that rotates bundles up a bit.
9416 * reload1.c (eliminate_regs_in_insn): Restrict the special case
9417 code not to try to optimize adds with anything but a REG destination.
9419 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
9420 (INSN_PRIORITY_KNOWN): New accessor macro.
9421 * haifa-sched.c (priority): Use it instead of testing priority against
9424 2001-02-28 DJ Delorie <dj@redhat.com>
9426 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
9427 since that doesn't work the way gcc wants on a generic m68k.
9429 2001-02-28 Richard Henderson <rth@redhat.com>
9431 * caller-save.c (save_call_clobbered_regs): Fix typo in
9432 comparison last change.
9434 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
9436 * i386.c (pentium4_cost): New.
9437 (m_PENT4): New macro.
9438 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
9439 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
9440 x86_integer_DFmode_moves, x86_partial_reg_dependency,
9441 x86_memory_mismatch_stall): Add Pentium4
9442 (x86_use_q_reg, x86_use_any_reg): Kill.
9443 (override_options): Add pentium4.
9444 (incdec_operand): Return 0 for pentium4.
9445 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
9446 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
9447 (TARGET_PENTIUM4): Define.
9448 (enum processor_type): Add PROCESSOR_PENTIUM4.
9449 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
9450 * i386.md (attribute "cpu"): Add pentium4.
9451 * invoke.texi (march): Add pentium4.
9453 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
9455 * i386.md (sse_mov?fcc*): New patterns and splitters.
9456 * i386.c (ix86_expand_movcc): Work post-reload; recognize
9457 the SSE based conditional moves.
9459 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
9461 * i386.md (attribute mode): Add "TI".
9462 (movsf_1): Add pxor support; remove constant propagation splitter.
9463 (movdf_integer): Likewise.
9464 (movdf_nointeger): Likewise.
9465 (movxf constant prop splitter): Handle all modes; update for SSE.
9466 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
9467 * i386.c (standard_80387_constant_p): Rewrite.
9468 (standard_sse_constant_p): New.
9469 * i386-protos.h (standard_sse_constant_p): New.
9471 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
9473 * i386.md (sse_setccsf, sse_setccdf): New.
9474 (sse_cmp* patterns): Use '%D' instead of outputtting condition
9476 * i386.c (sse_comparison_operator): Accept the supported unordered
9477 comparses; be ready for fast_math.
9478 (print_operand): Support 'D'.
9480 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
9482 * jump.c (reversed_comparison_code): Kill.
9484 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
9486 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
9489 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
9491 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
9492 add missing '%' in constraints.
9494 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
9496 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9497 for HOST_BITS_PER_WIDE_INT == 32 too.
9499 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
9501 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
9503 (insert_save, insert_restore): New parameter save_mode.
9504 (init_caller_save): Update initialization of reg_save_code
9505 and reg_restore_code.
9506 (save_call_clobbered_regs): Compute save_modes and update calls to
9507 reg_save_code and reg_restore_code.
9508 (insert_restore): Unsignetize numbers; use save_modes to choose mode
9509 of spill; update use of reg_restore_code.
9510 (insert_save): Likewise.
9511 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9512 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
9513 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
9515 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9517 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
9518 noce_try_store_flag_inc, noce_try_store_flag_mask,
9519 noce_try_cmove_arith):
9520 Use reversed_comparison_code instead of reverse_comparison and
9521 can_reverse_comparison_p.
9523 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
9525 * jump.c (reversed_comparison_code_parts): Allow reversal of
9526 unordered compares in -ffast-math mode; reverse ordered compares
9527 for FP even w/o -ffast-math.
9529 2001-02-27 Richard Henderson <rth@redhat.com>
9531 * print-rtl.c (print_rtx) [i]: Don't print field five on
9532 NOTEs other than NOTE_INSN_DELETED_LABEL.
9534 2001-02-27 Zack Weinberg <zackw@stanford.edu>
9536 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
9537 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
9539 2001-02-27 Diego Novillo <dnovillo@redhat.com>
9541 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
9542 even if walk_subtrees is 0.
9543 * c-semantics.c (prune_unused_decls): Return a non-null value to
9544 stop traversing the tree chain.
9546 2001-02-27 DJ Delorie <dj@redhat.com>
9548 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
9549 register, *then* define it as the new CFA.
9551 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
9553 * pa.c (override_options): Promote -fpic to -fPIC.
9554 (legitimize_pic_address): Simplify due to removal of
9555 small PIC as a code generation option.
9556 (secondary_reload_class): Similarly.
9557 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
9558 (PRINT_OPERAND_ADDRESS): Similarly.
9559 * pa.md (various patterns): Similarly.
9560 (small pic lo_sum pattern): Remove.
9562 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
9565 * md.texi (min, max): Document
9567 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
9569 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
9570 TARGET_PARTIAL_REG_DEPENDENCY.
9571 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
9573 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
9575 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
9577 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
9579 * mips.c (mips_make_temp_file): Fix thinko in last change.
9581 2001-02-26 Jason Eckhardt <jle@redhat.com>
9583 * combine.c (known_cond): Do not reverse the condition when
9584 SMAX/UMAX is being considered and the condition is for equality
9587 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
9589 2001-02-26 Philip Blundell <philb@gnu.org>
9591 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
9593 * config/arm/linux-elf.h: Remove historical relics related to
9594 above configurations.
9595 * config/arm/linux-oldld.h: Delete.
9596 * config/arm/linux-elf26.h: Delete.
9598 2001-02-26 Jason Merrill <jason@redhat.com>
9600 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
9602 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
9603 recognize a tentative definition. Lose obsolete code.
9605 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
9606 variables unless necessary, either.
9608 2001-02-25 Richard Henderson <rth@redhat.com>
9610 * ifcvt.c (struct noce_if_info): Add test_bb.
9611 (noce_get_alt_condition): New.
9612 (noce_try_minmax, noce_try_abs): New.
9613 (noce_operand_ok): New.
9614 (noce_process_if_block): Use them.
9615 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
9617 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
9619 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
9622 2001-02-25 Zack Weinberg <zackw@stanford.edu>
9624 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
9625 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
9627 (mips_asm_file_end): Free temp_filename here.
9629 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9631 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
9632 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
9634 * config/i386/i386.md (movstrsi): Handle FAIL case.
9636 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
9638 * cppinit.c (builtin_array): Update.
9639 (init_builtins): Flag builtins to warn if redefined or
9640 undefined. Define __GXX_WEAK as a normal macro.
9641 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9642 * cpplib.h (NODE_WARN): New flag.
9643 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9644 Handle __STDC__ as a builtin only on Solaris.
9645 (warn_of_redefinition): Renamed from check_macro_definition.
9646 Reverse sense of test. Always warn if NODE_WARN.
9647 (_cpp_create_definition): Use warn_of_redefinition. Flag
9648 any macro beginning with "__STDC_" to require a mandatory
9649 warning if redefined or undefined.
9651 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9653 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9654 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9655 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9656 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9657 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9658 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9659 Don't define any of:
9660 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9661 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9662 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9663 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9664 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9666 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9667 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9670 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9671 Delete now-empty file.
9673 * alpha/vms.h: Define NEED_ATEXIT here...
9674 * alpha/xm-vms.h: ...not here.
9676 * i386/cygwin.h: Don't define PARAMS.
9677 * mips/mips.c: Don't prototype mktemp. Don't define
9678 P_tmpdir. Use make_temp_file to create temporary files.
9679 Don't be clever and delete temporary files early.
9680 * config.gcc: Drop references to deleted files. Don't define
9682 * gcc.texi: Don't mention USE_PROTOTYPES.
9684 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9686 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9687 (ix86_set_move_mem_attrs_1): Likewise.
9688 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9689 * config/i386/i386.md (movstrsi): Call it.
9691 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9693 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9694 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9695 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9696 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9698 (i750a-*-*): Error here if hosting on i750a.
9699 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9701 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9702 Remove (empty modulo comments).
9704 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9705 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9706 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9707 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9708 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9709 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9711 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9712 Remove reference to winnt.h in comment.
9713 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9715 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9717 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9718 used to set another biv.
9720 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9722 * tree.h (BLOCK_DEAD): New macro.
9723 (struct tree_block): New flag, dead_flag.
9724 * print-tree.c (print_node, case 'b'): Print missing fields.
9725 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9726 * function.c (identify_blocks): Enable test for misplaced notes.
9727 (all_blocks): Skip BLOCK_DEAD blocks.
9728 * integrate.c (integrate_decl_tree): Likewise.
9730 * errors.c (internal_error, trim_filename): New functions.
9731 (fancy_abort): Call internal_error.
9732 * errors.h (internal_error, trim_filename): New declarations.
9734 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9736 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9738 (EXTRA_CONSTRAINT): Formatting changes.
9740 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9742 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9744 2001-02-23 Per Bothner <per@bothner.com>
9746 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9747 so they can be called from java/jvspec.c.
9748 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9750 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9752 * i386.c (ix86_frame): New structure.
9753 (ix86_compute_frame_size): Kill.
9754 (ix86_compute_frame_layout): New.
9755 (ix86_save_reg): New.
9756 (ix86_can_use_return_insn_p): Use frame layout stuff.
9757 (ix86_expand_prologue): Likewise.
9758 (ix86_expand_epilogue): Likewise.
9759 (ix86_initial_elimination_offset): Likewise.
9760 (ix86_nsaved_regs): Use ix86_save_reg.
9761 (ix86_emit_save_regs): Likewise.
9763 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9765 * flow.c (find_sub_basic_blocks): New function.
9766 (split_block): Be ready for basic block introduced by CODE_LABEL.
9767 (commit_one_edge_insertion): Call find_sub_basic_block.
9769 * flow.c (make_edges): Add edge from entry for blocks starting with
9770 label having ALTERNATE_NAME
9772 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9774 * function.c (epilogue_done): Be ready for first basic block not
9775 containing PROLOGUE_END note.
9776 (reposition_prologue_and_epilogue_notes): Avoid placing
9777 PROLOGUE_END note between BASIC_BLOCK.
9779 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9781 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9783 2001-02-21 DJ Delorie <dj@redhat.com>
9785 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9786 check for current_function_has_nonlocal_goto from 1999-11-12.
9788 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9790 * diagnostic.c (trim_filename): No longer static.
9791 * toplev.h (trim_filename): Declare.
9792 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9793 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9794 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9795 (rtvec_check_failed_bounds): Likewise.
9796 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9798 * convert.c (convert_to_integer): Don't do unsigned unless result or
9799 both inputs are unsigned.
9801 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9804 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9806 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9808 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9810 * Makefile.in (resource.o): Add params.h dependence.
9811 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9812 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9813 * resource.c: Add dependence on params.h.
9814 (current_live_regs): Fix explanatory comment.
9815 (find_basic_block): Add new parameter to permit limiting search
9817 (mark_target_live_regs): Add new argument to find_basic_block call.
9818 (incr_ticks_for_insn): Likewise.
9820 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9822 * diagnostic.c (output_to_stream): Rename to
9823 output_buffer_to_stream. Loses the stream parameter.
9824 (init_output_buffer): Set diagnosic_buffer's stream.
9825 (flush_diagnostic_buffer): Adjust.
9826 (default_print_error_function): Likewise.
9827 (finish_diagnostic): Likewise.
9828 (verbatim): Likewise.
9830 * diagnostic.h (struct output_buffer): Add `stream' field.
9831 (output_buffer_attached_stream): New macro.
9833 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9835 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9836 check if either operand is divisible by C.
9837 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9838 If type is signed, consider negative numbers as well.
9840 2001-02-22 Richard Henderson <rth@redhat.com>
9842 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9843 reach .text instead of gp-relative relocs.
9844 * config/ia64/crtend.asm (.init): Likewise.
9846 2001-02-22 Andreas Jaeger <aj@suse.de>
9848 * extend.texi (C++ Attributes): Fix typo.
9850 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9852 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9853 functions, drop current_function_args_info.words test.
9854 (ia64_compute_frame_size): Mark syscall_linkage functions as
9855 using eight input registers.
9857 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9858 Bruce Korb <bkorb@gnu.org>
9860 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9861 * fixinc/README: Document how to convert sed substitutions
9862 to format style c_fix-es.
9863 * fixinc/fixincl.x: regen
9865 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9867 * gcc.c: Add comment explaining how to add a command-line option.
9868 Add title to specs language comment.
9870 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9872 * gcc.c (cc1_options): Add "-param".
9873 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9874 (option_map): Likewise.
9875 * toplev.c (display_help): Add entry for "--param".
9876 (independent_decode_option): Fix typographical error.
9878 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9879 Bernd Schmidt <bernds@redhat.com>
9880 Jan Hubicka <jh@suse.cz>
9882 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9883 (function_arg): Likewise.
9885 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9887 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9889 2001-02-21 Kazu Hirata <kazu@hxi.com>
9891 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9895 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9897 * flow.c (init_propagate_block_info): Canon address and use single_set
9898 for killing dead memory stores.
9900 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9902 * Makefile.in (reorg.o): Add params.h dependence.
9903 * params.def: Fix typographical error in comment.
9904 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9905 * params.h: Modify introductory comment.
9906 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9907 * reorg.c: Add dependence on params.h.
9908 (redundant_insn): Add parameterized throttle for search.
9909 (fill_simple_delay_slots): Add a comment explaining a variable.
9910 Move conditional out of loop, simplifying code.
9911 (fill_eager_delay_slots): Fix typographical error in comment.
9913 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9915 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9917 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9918 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9920 2001-02-21 Jason Merrill <jason@redhat.com>
9922 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9923 (struct tree_decl): Add uninlinable bitfield.
9924 * c-decl.c (duplicate_decls): Set it.
9925 * integrate.c (function_cannot_inline_p): Check it.
9927 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9928 DW_AT_MIPS_linkage_name to abstract methods.
9929 (dwarf2out_abstract_function): Emit class context before calling
9930 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9931 (gen_subprogram_die): Remove obsolete code.
9932 (gen_member_die): Don't include clones in the member list.
9933 (gen_decl_die): Emit abstract info for clone origin.
9934 * dwarfout.c (output_type): Don't include clones in the member list.
9935 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9936 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9937 DECL_ABSTRACT on a function that already has it set.
9939 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9940 (get_subprogram_die): Pass it in.
9942 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9944 * flow.c (mark_set_1): Make not_dead unsigned long. For
9945 non-pseudos, use it as a bitmask of the hard regs that
9948 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9950 * cppfiles.c: Update comments.
9951 (_cpp_read_file): Don't check for NULL filenames any more.
9952 * cppinit.c (cpp_start_read): Don't do canonicalization of
9953 in_fname and out_fname. Use the passed file name exclusively.
9954 (_cpp_handle_options): Don't treat "-" as a command line option,
9955 but as a normal filename.
9956 (_cpp_post_options): Canonicalize in_fname and out_fname.
9957 * cppmain.c (printer_init): Don't check out_fname for NULL.
9958 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9959 (init_c_lex): Update, and use "" to represent stdin to CPP.
9962 2001-02-20 Will Cohen <wcohen@redhat.com>
9964 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9965 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9966 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9969 2001-02-20 Stan Shebs <shebs@apple.com>
9971 * config/rs6000/rs6000.c (output_cbranch): Output branches
9972 on separate lines instead of using ';' to separate.
9974 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9976 * cppinit.c (set_lang): Move builtin handling to...
9977 (init_builtins): ...here.
9978 (_cpp_create_reader): Move call to set_lang.
9980 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9982 * stmt.c (expand_return): If an attempt is made to return the
9983 error_mar_node, treat the return like a return without a value.
9985 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9987 * sibcall.c (skip_copy_to_return_value): Call
9988 identify_call_return_value here, and return orig_insn if it
9989 returns zero. Hardret and softret arguments now unnecessary.
9990 (call_ends_block_p): Don't call identify_call_return_value here.
9992 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9994 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9995 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9997 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9999 * pa.c (move_operand): Accept code to load the address of a
10000 symbol out of the DLT as a valid move operand.
10001 (print_operand, case 'A'): New to handle generating a DLT
10002 reference for a LO_SUM expression.
10003 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
10004 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
10006 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
10008 * README, cpp.texi, gcc.texi, version.c: Update version number to
10010 * cpp.1, gcov.1, gcc.1: Regenerate.
10012 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
10014 * cppfiles.c (stack_include_file): Generate dependencies
10015 here, and manage include_count here too.
10016 (PRINT_THIS_DEP): Delete.
10017 (_cpp_execute_include): Do not generate dependencies here,
10018 apart from the case of a missing header. Do not manage
10020 (_cpp_read_file): Leave dependency generation to
10021 stack_include_file.
10023 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
10025 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
10026 target_cpu_default. Remove dead assignment to
10027 target_cpu_default.
10029 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
10031 * regclass.c (contains_reg_of_mode): Make global.
10032 (init_reg_sets): Remove contains_reg_of_mode; take into account
10033 CLASS_MAX_NREGS when looking for the proper mode.
10034 (dump_regclass): Dump only classes considered for the pseudo.
10035 (regclass): Use contains_reg_of_mode.
10037 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
10039 * gcc.c (do_spec_1): 'n' for printing notices.
10040 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
10042 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
10044 * reg-stack.c (next_flags_user): Use current_block->end
10045 (swap_rtx_condition): Look for next user if flags don't die;
10046 give up on CALL_INSNs; use current_block->end.
10048 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10050 * sibcall.c (call_ends_block_p): New function.
10051 (optimize_sibling_and_tail_recursive_call): Use it.
10053 2001-02-18 Kazu Hirata <kazu@hxi.com>
10055 * config/h8300/h8300.md: Update copyright.
10056 (andsi3): Do not output an extra newline character.
10058 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10060 * toplev.c (note_deferral_of_defined_inlined_function): Argument
10061 FNDECL may be unused.
10063 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
10064 follow jumps after first run.
10065 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
10066 it doesn't change any jumps.
10068 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
10070 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
10071 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
10072 (mostlyclean): Corresponding changes.
10073 * rtlanal.c (hard-reg-set.h): Include.
10074 (rtx_unstable_p): Do not treat the argument pointer specially
10075 if it is not a fixed register.
10076 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
10078 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10080 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
10081 against last real insn in basic block.
10082 Rework to avoid gotos.
10084 * Makefile.in (gcse.o): Now includes ggc.h.
10085 * gcse.c: Include ggc.h.
10086 (want_to_gcse_p): Verify expression can be in SET as valid insn.
10087 (try_replace_reg): Remove warning of uninitialize variable.
10088 (process_insert_insn): Call invalid_insn_p to validate insn.
10089 * recog.c (insn_invalid_p): Now global.
10090 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
10091 * recog.h (insn_invalid_p): New declaration.
10093 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
10095 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
10096 assignments from FP constants since 'Y' output code can't handle it.
10097 (eligible_for_sibcall_delay): Likewise.
10099 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
10100 Call fancy_abort directly, passing args.
10101 (print_rtl_and_abort): Now a macro, like fancy_abort.
10103 * final.c (output_operand_lossage): Use internal_error, not error.
10105 2001-02-18 Shane Nay <shane@agendacomputing.com>
10107 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
10108 structure shift insns.
10110 2001-02-18 Mark Mitchell <mark@codesourcery.com>
10112 * invoke.texi (-fsquangle): Remove documentation.
10113 (-fname-mangling-version): Likewise.
10115 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
10117 * optabs.c (expand_abs): Remove reference to
10118 HAVE_contitional_arithmetic.
10119 * combine.c (simplify_set): Likewise.
10121 2001-02-18 Richard Henderson <rth@redhat.com>
10123 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
10124 would be disrupted.
10126 2001-02-18 Richard Henderson <rth@redhat.com>
10128 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
10130 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
10132 * reload1.c (reload_cse_simplify_set): Fix typo.
10134 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10136 * diagnostic.c (_fatal_insn): Decrement errorcount.
10138 * invoke.texi (-I): Add note avoiding use for system header files.
10140 * rtl.h (add_clobbers): Remove duplicate declaration.
10141 * recog.h (added_clobbers_hard_reg_p): New declaration.
10142 * genemit.c (struct clobber_pat): New field has_hard_reg.
10143 (gen_insn): Record if added clobbers clobber hard reg.
10144 (gen_split): Avoid unused warning if number of operands is 0.
10145 (output_added_clobbers_hard_reg_p): New function.
10148 2001-02-18 Alan Modra <alan@linuxcare.com.au>
10150 * pa.c (hppa_expand_prologue): Simplify code storing return
10151 pointer. For large (>=8k) frames with a post_store, adjust stack
10152 pointer by 8k-64 first rather than by 64. When testing with
10153 VAL_14_BITS_P, always use the actual value rather than the value
10154 negated. Add blockage to prevent scheduling of spills before
10155 stack frame has been created.
10156 (hppa_expand_epilogue): Simplify code loading return pointer.
10157 Allow a slightly larger range for merge_sp_adjust_with_load case.
10158 When testing with VAL_14_BITS_P, always use the actual value.
10160 * pa.c (pa_adjust_insn_length): Check that block move
10161 pattern is a set before looking at operands.
10163 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10165 * fold-const.c (fold_binary_op_with_conditional_arg): New
10166 function, split out from ...
10168 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
10169 conditional arms that throw exceptions.
10171 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
10172 looking at a BLOCK.
10174 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10176 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
10177 define HAVE_DECL_* to 1 to mask potential backup declarations.
10178 * configure: Regenerated.
10180 2001-02-17 Mark Mitchell <mark@codesourcery.com>
10182 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
10184 2001-02-17 Richard Henderson <rth@redhat.com>
10186 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
10187 when replacing a memory load with a register.
10189 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10190 Jan Hubicka <jh@suse.cz>
10192 * recog.c (validate_replace_src_1): New.
10193 (validate_replace_src_data): Likewise.
10194 (validate_replace_src): Use note_uses.
10195 * rtl.h (note_uses): Declare.
10196 * rtlanal.c (note_uses): New.
10198 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
10200 * reg-stack.c (stack_def): Make field reg unsigned.
10201 (remove_regno_note): Unsignetize parameter.
10203 2001-02-16 Jes Sorensen <jes@linuxcare.com>
10205 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
10206 shladd_operand() call.
10208 2001-02-16 Bruce Korb <bkorb@gnu.org>
10209 Rodney Brown <RodneyBrown@mynd.com>
10211 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
10212 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
10213 machine restrictions
10214 * fixinc/fixincl.x: regen
10216 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10218 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
10220 (hash_scan_insn): Clean up calls to hash_scan_set.
10221 (compute_kill_rd): REGNO now unsigned.
10222 (try_replace_reg): Rework to use simplify_replace_rtx.
10223 (cprop_jump, cprop_cc0_jump): Likewise.
10224 (cprop_insn): Call find_reg_equal_equiv_note.
10225 Reflect changes to cprop_jump and cprop_cc0_jump.
10227 * recog.c (validate_replace_src): Replace in operands of
10228 ZERO_EXTRACT in SET_DEST.
10230 * cse.c (new_label_ref): New variable.
10231 (insert): Set it instead of recorded_label_ref.
10232 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
10233 CODE_LABEL for this function, and not already in REG_LABEL note.
10235 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
10237 * resource.c (mark_referenced_resources): Fix typo in introductory
10239 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
10242 2001-02-16 Jason Merrill <jason@redhat.com>
10244 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
10246 (gen_subprogram_die): Don't abort on seeing a second definition if
10247 the previous one was abstract. Don't replace an abstract instance
10248 in the lookup table.
10250 * dwarf2out.c (dwarf2out_abstract_function): Rename from
10251 gen_abstract_function.
10252 * dwarf2out.h: Declare it.
10253 * toplev.c (note_outlining_of_inline_function): New fn.
10254 * toplev.h: Declare it.
10255 * integrate.c (output_inline_function): Call it.
10256 * c-decl.c (duplicate_decls): Call it when redefining an extern
10257 inline. Don't inline the new defn.
10259 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
10261 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10263 * .gdbinit: Rename to gdbinit.in.
10264 * gdbinit.in: New file,
10265 * configure.in: Generate .gdbinit from gdbinit.in.
10266 * configure: Regenerated.
10267 * Makefile.in (distclean): Always remove .gdbinit.
10269 2001-02-16 Jakub Jelinek <jakub@redhat.com>
10271 * objc/objc-act.c (start_class): Register implemented_classes with
10274 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
10276 * cppfiles.c (_cpp_make_system_header): Generate a file
10279 2001-02-15 Jim Meyering <meyering@lucent.com>
10281 * Makefile.in (install-common): Don't depend on installdirs here.
10282 Instead, make each of the lang.install-common targets (e.g.,
10283 c++.install-common in cp/Make-lang.in) depend on it.
10284 (install-driver): Depend on installdirs.
10286 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10288 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
10290 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
10293 2001-02-15 Mark Mitchell <mark@codesourcery.com>
10295 * invoke.texi (--param): Document.
10297 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
10299 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
10301 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
10303 * i386.md (extendsfdf2_2): Fix constraints.
10305 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
10307 * i386.md (fop_df_3 splitter): Fix operand number.
10309 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
10311 * invoke.texi (-mreg-alloc): Nuke.
10312 * i386.c (ix86_reg_alloc_order, regs_allocated,
10313 order_regs_for_local_alloc): Nuke.
10314 (override_options): Kill reg_alloc code.
10315 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
10316 (REG_ALLOC_ORDER): SSE goes before I387.
10317 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
10318 (ix86_reg_alloc_order): Likewise.
10319 * i386-protos.h (ix86_reg_alloc_order): Kill.
10321 2001-02-14 Richard Henderson <rth@redhat.com>
10323 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
10325 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
10327 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
10329 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
10331 * i386-protos.h (ix86_memory_move_cost): Move offline.
10332 * i386.c (ix86_register_move_cost): Compute properly cost of
10333 SSE, MMX and i387 instructions.
10334 (*_cost): Add costs of SSE/MMX moves.
10335 (ix86_memory_move_cost): Move offline from ....; Likewise.
10336 * i386.h (MEMORY_MOVE_COST): .... here;
10337 (struct processor costs): Add new fields to represent costs
10340 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
10342 * regclass.c (init_reg_sets_1): Reinstall the optimization of
10343 move_cost together with Matt Kraai's fix.
10345 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10347 * Makefile.in (OBJS): Add params.o.
10349 2001-02-14 Richard Henderson <rth@redhat.com>
10350 DJ Delorie <dj@redhat.com>
10352 * jump.c (jump_optimize_1): When we delete a conditional jump
10353 preceeding a non-conditional jump to effectively the same place,
10354 make sure that the combined jump skips any clobber insns between
10357 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
10359 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
10361 2001-02-14 Mark Mitchell <mark@codesourcery.com>
10363 * Makefile.in (toplev.o): Depend on params.h.
10364 (intergate.o): Likewise.
10365 (params.o): New target.
10366 * flags.h (inline_max_insns): Remove.
10367 * integrate.c: Include params.h.
10368 Use MAX_INLINE_INSNS instead of inline_max_insns.
10369 * params.c: New file.
10370 * params.h: Likewise.
10371 * params.def: Likewise.
10372 * toplev.c: Include params.h.
10373 (lang_independent_params): New variable.
10374 (decode_f_option): Use the param machinery instead of setting
10376 (independent_decode_option): Handle "--param name=value".
10377 (main): Register language-independent parameters.
10379 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
10381 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
10383 2001-02-14 Richard Henderson <rth@redhat.com>
10385 * regclass.c (init_reg_sets_1): Revert last two changes.
10387 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10389 * stor-layout.c (is_pending_size, put_pending_size): New functions.
10390 (variable_size): Call put_pending_size.
10391 * tree.h (is_pending_size, put_pending_size): Add prototypes.
10392 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
10393 sizes list, put newly created SAVE_EXPR there as well.
10395 2001-02-14 Jakub Jelinek <jakub@redhat.com>
10397 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
10398 (errata_find_address_regs): load_group has only 2 entries.
10399 (errata_emit_nops): Likewise. shladd is not problematic.
10400 Clear last_group if nop was emitted.
10401 (fixup_errata): load_group has only 2 entries.
10404 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
10406 * c-lex.c (lex_number): Only warn traditionally for U suffix
10407 outside system macros.
10408 * cppexp.c (parse_number): Similarly.
10409 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
10410 * cppmacro.c (struct cpp_macro): New member node.
10411 (parse_args): Only warn about missing rest args if not
10413 (funlike_invocation_p): Similarly for uninvoked funlike macros.
10414 (cpp_sys_objmacro_p): New.
10415 (_cpp_create_definition): Store the node with the macro defn.
10416 Remember if the macro is defined in a system header.
10418 2001-02-13 DJ Delorie <dj@redhat.com>
10420 * configure.in (check_languages): determine languages to check
10421 * Makefile.in (check-c++): alias for check-g++
10422 (check-f77): alias for check-g77
10423 (CHECK_TARGETS): depend on configured languages
10425 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
10427 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10428 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10429 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10430 (sqrtextendsfdf2): Disable for SSE2.
10432 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
10434 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
10435 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
10436 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
10437 (sqrtextendsfdf2): Disable for SSE2.
10439 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
10441 * i386.md (movsfcc_1): Support integer cmove instruction.
10442 (movdfcc_1): Likewise; new splitter.
10444 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
10446 * i386.c (output_fp_compare): Support SSE.
10447 (prepare_fp_compare_args): SSE comparisons always support memory.
10448 * i386.h (TARGET_CMOVE): SSE imply cmove.
10449 * i386.md (cmp?f2): Enable for SSE too.
10450 (cmpfp_i*): Support SSE.
10451 (cmpfp_i_sse): New.
10452 (cmpfp_i_sse_only): New.
10453 (s*, b* fp expanters): Enable for SSE too.
10454 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
10457 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
10459 * regclass.c (init_reg_sets_1): Silence warning.
10461 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
10463 * i386.md (sqrt?f2): Change to expander.
10464 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
10466 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10468 * rtlanal.c (find_reg_equal_equiv_note): New function.
10469 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
10470 (simplify_gen_relational, simplify_replace_rtx): Likewise.
10471 * rtl.h: Add declarations for above functions.
10473 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
10475 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
10477 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
10478 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
10479 * flow.c (mark_regs_live_at_end): Likewise.
10480 (calculate_global_regs_live): Likewise.
10481 * gcse.c (compute_hash_table): Likewise.
10482 (compute_kill_rd): Likewise.
10483 * resource.c (mark_target_live_regs): Likewise.
10484 * rtl.h (INVALID_REGNUM): New macro.
10486 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
10488 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
10490 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
10492 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
10495 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
10497 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
10499 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
10500 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
10501 (fop_sf_1_sse, fop_df_1_sse): New patterns
10502 (fop_*): Disable float_extend and float patterns for SSE compilation.
10503 * i386.c (output_387_binary_op): Support SSE.
10505 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
10507 * i386.md (dummy_extendsfdf2): Support SSE2
10508 (extendsfdf2): Enable if 80387 or SSE2.
10509 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
10510 and no MIX_I387_SSE2
10511 (extendsfdf2_1_sse_only): New pattern.
10512 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
10514 (truncdfsf2_1): Support SSE.
10515 (truncdfsf2_2): Support SSE.
10516 (truncdfsf2_2_1_sse): New pattern.
10517 (fixtruncsfsi2): Always use SSE if available.
10518 (fix_truncsfsi_sse): New pattern.
10519 (fix_truncdfsi_sse): New pattern.
10520 (floatsis?f2): Support SSE.
10521 (floatsidf2_i387): New pattern.
10522 (floatsidf2_sse): Likewise.
10524 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10526 * configure.in: Use "have_gnat" variable, not "gnat".
10527 * configure: Regenerated.
10529 * config/sparc/sparc.c (function_value): Treat all non-record
10530 aggregate types like used to treat UNION_TYPE.
10532 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
10534 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
10535 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
10537 (MASK_MIX_SSE_I387): New.
10538 (TARGET_SSE): SSE2 imply SSE.
10539 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
10540 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
10541 (enum reg_class): Add new classes.
10542 (REG_CLASS_NAMES): Likewise.
10543 (REG_CLASS_CONTENTS): Likewise.
10544 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
10545 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
10546 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
10547 (CLASS_MAX_NREGS): Use new macros.
10548 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
10549 * i386.md (pushsf, movsf): Support SSE.
10550 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
10551 splitters to use ANY_FP_REGNO_P.
10552 (movdf_nointeger, movdf_integer): Likewise.
10554 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10556 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
10557 (try_combine): Use it.
10559 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
10561 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
10562 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
10563 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
10564 (REGISTER_MOVE_COST): Likewise.
10565 * i386-protos.h (ix86_secondary_memory_needed,
10566 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
10567 * i386.c (ix86_secondary_memory_needed,
10568 ix86_preferred_reload_class, ix86_register_move_cost): New function.
10570 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
10572 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
10573 (HARD_REGNO_MODE_OK): Move offline to ....
10574 * i386.c (ix86_hard_regno_mode_ok) ... here;
10575 refuse all incorrect modes.
10576 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
10578 2001-02-13 Richard Henderson <rth@redhat.com>
10580 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
10581 entire operator; replicate that and match_dup the operands.
10582 (cmp_ccx_arith_op_set): Likewise.
10583 (cmp_cc_arith_op_not_set): Likewise.
10584 (cmp_ccx_arith_op_not_set): Likewise.
10586 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
10588 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
10590 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10592 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
10593 (TARGET_NO_BITFIELD_WORD): New macro.
10594 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
10595 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
10597 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10599 * cselib.c: New file, from simplify-rtx.c.
10600 * simplify-rtx.c: Remove cselib parts.
10601 * Makefile.in: Add cselib.o.
10603 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
10605 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
10606 (setup_incoming_varargs): Remove warning.
10608 * config/rs6000/rs6000.c (validate_condition_mode): When
10609 flag_fast_math, allow floating-point conditionals to be reversed.
10610 (rs6000_generate_compare): When flag_fast_math, don't generate
10611 cror operations for FP conditionals.
10613 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
10615 (ASM_SPEC): Likewise.
10616 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
10617 (CC1_SPEC): Likewise.
10618 (LINK_TARGET_SPEC): Likewise.
10619 (CPP_ENDIAN_SPEC): Likewise.
10620 * Makefile.in (check-consistency): New target.
10622 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
10624 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
10625 "return type defaults" warning for functions with return type
10627 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
10628 function declarations by default rather than only when pedantic.
10630 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
10632 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
10635 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10637 * extend.texi (Deprecated): Deprecate new initializer lists.
10639 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10641 * mkdeps.c (deps_add_default_target): Robustify. Add
10642 basename component only.
10643 * cpp.texi (-M): Describe how default target is generated.
10644 * invoke.texi (-M): Likewise.
10646 2001-02-12 Kazu Hirata <kazu@hxi.com>
10648 * toplev.c (push_float_handler): Remove.
10649 (pop_float_handler): Remove.
10650 * toplev.h: Remove prototypes for the above functions.
10652 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10654 * c-common.c (constant_fits_type_p): New function.
10655 (convert_and_check): Use it.
10657 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10659 * Makefile.in (GXX_ABI_FLAG): Don't define.
10660 * configure.in (--enable-new-gxx-abi): Remove option.
10661 * config.in: Regenerated.
10662 * configure: Likewise.
10664 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10666 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10668 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10669 regular basic block, and arrange for all edges into it to switch
10672 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10674 * Makefile.in (distclean): Do not remove .gdbinit.
10676 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10678 * Makefile.in (gcc.o): Fix typos.
10679 (protize.o): Likewise.
10680 (unprotoize.o): Likewise.
10682 2001-02-11 Richard Henderson <rth@redhat.com>
10684 * tree.c (build1): Check for null operand in last change.
10686 2001-02-11 Richard Henderson <rth@redhat.com>
10688 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10689 (fold): Don't assume a constant isn't foldable.
10690 * tree.c (build): Set TREE_CONSTANT for an expression with no
10691 side-effects and constant operands.
10692 (build1): Likewise.
10694 2001-02-10 Richard Henderson <rth@redhat.com>
10696 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10698 2001-02-10 Anthony Green <green@redhat.com>
10700 * cpp.texi (Standard Predefined): Add documentation for
10703 * c-common.c (combine_strings): Improve warning message.
10705 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10707 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10709 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10711 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10713 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10716 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10718 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10721 2001-02-09 Nick Clifton <nickc@redhat.com>
10723 * config/arm/arm.md: Change output contraint on post inc
10724 load/store multiple patterns to be a read/write contraint.
10726 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10728 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10729 .o files when using the -M options.
10731 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10732 David Edelsohn <edelsohn@gnu.org>
10734 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10735 handle DImode constants. Use one TOC entry for SImode and smaller
10736 constants, aligned properly.
10738 2001-02-08 Jason Merrill <jason@redhat.com>
10740 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10741 about the SP adjustment for saving the static chain pointer.
10742 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10743 offset when setting a temporary CFA register.
10745 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10747 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10748 powerpc-*-chorusos* .
10749 * config/rs6000/chorus.h : New file.
10750 * config/i386/chorus.h : New file.
10751 * config/sparc/chorus.h : New file.
10752 * config/sparc/t-chorus-elf : New file.
10754 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10756 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10757 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10758 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10759 (__WCHAR_TYPE__): Correct macro name.
10761 2001-02-08 Richard Henderson <rth@redhat.com>
10763 * config/i386/i386.c (ix86_frame_pointer_required): New.
10764 (ix86_setup_frame_addresses): New.
10765 (struct machine_funciton): Add accesses_prev_frame.
10766 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10767 ix86_frame_pointer_required.
10768 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10769 (SETUP_FRAME_ADDRESSES): New.
10770 * config/i386/i386-protos.h: Update.
10771 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10772 from FRAME_POINTER_REQUIRED.
10773 * config/i386/svr3gas.h: Likewise.
10774 * config/i386/sysv3.h: Likewise.
10775 * config/i386/v3gas.h: Likewise.
10777 2001-02-08 Richard Henderson <rth@redhat.com>
10779 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10780 calculation of the number of integer registers required.
10781 (function_arg_record_value): Likewise.
10783 2001-02-08 Jason Merrill <jason@redhat.com>
10785 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10786 two. Print file and line with "confused" message.
10788 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10790 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10792 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10794 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10796 * final.c (cleanup_subreg_operands): The address of a MEM can
10799 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10802 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10804 * gcc.texi (Incompatibilities): Update documentation of
10805 preprocessing numbers.
10807 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10809 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10811 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10813 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10815 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10816 * gcc.c (struct compiler): Add cpp_spec field.
10817 (input_file_compiler): New variable.
10818 (do_spec_1): Allow a particular compiler to handle `%C'
10820 (main): Store the current compiler in input_file_compiler.
10821 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10823 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10825 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10826 * cppinit.c (cpp_create_reader): Initialize them.
10827 (append_include_chain): cxx_aware arg might be unused.
10828 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10829 keywords and give them their phase 7 meaning. Pedwarn about
10830 this unless '__bool_true_false_are_defined' is defined.
10832 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10834 * lcm.c (optimize_mode_switching): Emit mode_set before the
10835 JUMP_INSN of an abnormal edge.
10837 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10839 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10840 a scheduling barrier at the end.
10842 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10844 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10846 * config/sh/sh.md (reload_outsf): Removed.
10847 (movsf_ie): Introduce constraints for FPUL loads and stores.
10848 (reload_insf): Broaden the output constraint.
10850 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10852 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10853 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10855 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10857 * final.c: Revert my previous changes.
10858 * output.h: Make profile_label_no extern.
10859 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10860 for generating label.
10862 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10864 * config/i386/djgpp.h: Add comments about standard paths.
10865 (MD_EXEC_PREFIX): Undefine before defining.
10866 (MD_STARTFILE_PREFIX): New.
10868 2001-01-30 Bruce Korb <bkorb@gnu.org>
10870 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10871 (load_file): do not rely on load_file_data() to close file pointer
10872 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10873 fixinc/inclhack.def(irix_limits_const): add test_text
10875 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10877 * cppexp.c (parse_defined): Improve diagnostics for invalid
10880 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10882 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10884 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10886 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10887 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10888 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10889 (rs6000_output_symbol_ref): New function.
10890 (output_toc): Use VTABLE_NAME_P.
10892 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10894 * print-tree.c (print_node, case PARM_DECL):
10895 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10897 * stor-layout.c (reference_types_internal): New variable.
10898 (internal_reference_types): New function.
10899 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10900 * tree.h (internal_reference_types): New declaration.
10902 * cse.c (find_best_addr): Fix typo in computing cost.
10904 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10906 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10907 and this is the sum of a pointer and a constant, we know the result
10909 (num_sign_bit_copies, case PLUS): Likewise.
10910 * explow.c (convert_memory_address): Remove opposite SUBREG.
10911 * function.c (instantiate_new_reg): New function (from common code).
10912 (instantiate_virtual_regs_1): Call it.
10913 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10914 if pointers sign- or zero-extend.
10915 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10916 If pointers extend unsigned, use inside of SUBREG.
10917 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10919 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10921 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10922 subdir of gcc_gxx_include_dir.
10923 (gcc_gxx_target_include_dir): Remove.
10925 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10927 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10928 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10929 a high-level description.
10931 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10933 * final.c: Move the declaration of profile_label_no to ...
10934 * output.h: ... here.
10935 * function.c (expand_function_start): Call PROFILE_HOOK.
10936 * config/rs6000/aix.h: Define PROFILE_HOOK.
10937 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10938 * config/rs6000/rs6000.c (output_profile_hook): Define.
10939 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10940 output_profile_hook.
10941 tm.texi : Explain new macro PROFILE_HOOK.
10943 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10945 * extend.texi (Extended Asm): Do not say that semicolon is always
10946 a valid line-breaking character for GNU assemblers. Use
10947 newline-tab as the most commonly supported syntax. Use
10948 newline-tab rather than semicolon in multi-insn examples.
10950 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10952 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10954 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10955 David Edelsohn <edelsohn@gnu.org>
10957 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10958 code for AIX, even without flag_pic.
10960 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10962 * c-typeck.c (common_type): push and pop binding level around
10963 calling common_type on function parameters.
10965 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10967 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10969 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10971 * config/mips/mips.c (override_options): Fix typo in last change.
10972 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10973 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10975 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10977 * invoke.texi (-fdump-class-layout): Document.
10978 (-fdump-translation-unit): Use `=' as filename separator.
10980 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10982 * Makefile.in (s-mlib): Don't build multilibs if
10983 --disable-multilib.
10984 (DRIVER_DEFINES): Adjust accordingly.
10986 (protoize.o): Likewise.
10987 (unprotoize.o): Likewise.
10988 * configure.in: Recognize --enable-multilib.
10990 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10992 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10994 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10995 * configure.in: Remove --enable-libstdcxx_v3 support.
10996 * configure: Regenerated.
10998 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11000 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
11001 Call abort instead of fatal.
11002 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
11003 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
11004 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
11005 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
11006 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
11007 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
11009 * diagnostic.h (set_internal_error_function): Renamed.
11010 * toplev.h (internal_error): Renamed from fatal.
11011 (pfatal_with_name): Deleted.
11012 (fatal_io_error): Now has printf-style arguments.
11013 * diagnostic.c (pfatal_with_name): Deleted.
11014 (fatal_io_error): Rework to have args in printf-style.
11015 (set_internal_error_function): Renamed from set_fatal_function.
11016 (internal_error): Renamed from fatal.
11017 (error_recursion, fancy_abort): Call internal_error instead of fatal.
11018 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
11019 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
11020 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
11021 * flow.c (verify_flow_info): Likewise.
11022 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
11023 * config/mips/mips.c (save_restore_insns): Likewise.
11025 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
11026 * flow.c (verify_flow_info): Likewise.
11027 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
11028 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
11029 (avr_normalize_condition): Likewise.
11030 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
11031 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
11032 (limit_reload_class, double_reg_to_memory): Likewise.
11033 (print_operand_address, emit_1600_code_shift): Likewise.
11034 (gen_tst_reg, gen_compare_reg): Likewise.
11035 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
11036 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
11038 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
11040 * c-parse.in (methoddef): Call fatal_error instead of fatal.
11041 * objc/objc-act.c (build_ivar_chain): Likewise.
11042 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
11044 * graph.c (clean_graph_dump_file): Likewise.
11045 * profile.c (init_branch_prob): Likewise.
11046 * objc/objc-act.c (objc_init): Likewise.
11048 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
11049 * config/avr/avr.c (avr_override_options): Likewise.
11050 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
11051 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
11052 * config/h8300/h8300.c (h8300_init_once): Likewise.
11053 * config/mips/mips.c (override_options): Likewise.
11054 * config/i386/i386.c (override_options): Likewise, rework.
11055 * config/m68k/m68k.c (override_options): Likewise.
11057 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
11059 * config/mips/mips.c (print_operand): Likewise.
11060 * hash.c (hash_allocate): Don't check for failure returns from
11061 obstack functions that can't fail.
11062 (hash_table_init_n, hash_table_init): Likewise; also now return void.
11063 * hash.h (hash_table_init_n, hash_table_init): Now return void.
11064 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
11065 (get_object_reference): Likewise.
11067 2001-02-04 Nick Clifton <nickc@redhat.com>
11069 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
11070 StrongARM1110, 10TDMI, and 1020T.
11072 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11074 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
11076 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
11078 * config/sh/sh.md (movdf load split): Pass register number to
11079 FP_OR_XD_REGISTER_P.
11081 2001-02-04 Mark Mitchell <mark@codesourcery.com>
11083 * cppinit.c (BC): New macro.
11084 (builtin_array): Add __GXX_WEAK__.
11085 * cpplib.h (builtin_type): Add BT_WEAK.
11086 * cppmacro.c (builtin_macro): Handle BT_WEAK.
11087 * defaults.h (SUPPORTS_ONE_ONLY): Define.
11088 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
11090 2001-02-03 Jakub Jelinek <jakub@redhat.com>
11092 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
11094 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11096 * cpphash.h: Rename _ALIGN POOL_ALIGN.
11097 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11099 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
11101 * cpphash.h: Rename ALIGN _ALIGN.
11102 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
11104 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
11106 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
11107 compilation environment.
11108 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
11109 control over location of cygwin includes and libs.
11111 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11113 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
11115 2001-02-02 lars brinkhoff <lars@nocrew.org>
11117 * md.texi (Standard Names): remove reference to spur.md.
11119 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
11121 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
11122 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
11123 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
11124 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
11125 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11127 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11129 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
11130 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
11131 number before reload.
11132 (c4x_adjust_cost): Return zero before reload.
11133 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
11134 split before reload.
11136 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11138 * c4x.c (c4x_hard_regno_rename_ok): New.
11139 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
11140 * c4x.h (HARD_REGNO_RENAME_OK): Define.
11142 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11144 * diagnostic.h: Add missing "extern" in all declarations.
11146 2001-02-02 Alex Samuel <samuel@codesourcery.com>
11148 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
11149 as for gcc_gxx_include_dir.
11151 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
11153 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
11155 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11157 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
11158 label before alignment to be used as the braf base address.
11159 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
11161 (casesi_jump_2): Require at least TARGET_SH2.
11163 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
11164 truncation to 32-bit doubles on -m3e and -m4-single-only.
11166 2001-02-02 Mark Mitchell <mark@codesourcery.com>
11168 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
11169 the default when building a shared object.
11170 (init_spec): Use it.
11171 * testsuite/lib/g++.exp: Include the directory where libgcc
11172 is located to the LD_LIBRARY_PATH list.
11173 * invoke.texi (-shared-libgcc): Document the cases in which
11174 GCC defaults to using the shared libgcc.
11176 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
11178 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
11179 unsigned is wide enough.
11180 (BITS_PER_SI): New.
11181 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
11182 (si_to_float): Likewise.
11183 (float_to_si, float_to_usi): Use BITS_PER_SI.
11185 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11187 * dwarf2out.c: Added explanation of abbreviations.
11188 (def_cfa_1): Added comments listing DWARF2 instructions.
11189 (cfa_temp_reg): Removed in favor of cfa_temp.
11190 (cfa_temp_value): Removed in favor of cfa_temp.
11191 (cfa_temp): New global variable.
11192 (dwarf2out_frame_debug_expr): Added extensive introductory
11193 comments explaining the function's transformations. Revised to
11194 use cfa_temp. Added some rtx checking. Generalize IOR case.
11195 (dwarf2out_frame_debug): Revised to use cfa_temp.
11196 (output_aranges): Cast as "unsigned" to avoid warning.
11197 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
11198 explain which instructions must be marked.
11200 2001-02-01 Richard Henderson <rth@redhat.com>
11202 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
11205 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
11207 * config/sh/crt1.asm (main_k): Modified so that start calls
11208 ___setup_argv_and_call_main.
11210 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
11212 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
11213 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
11214 and AVOID_LPASTE is cleared on meeting an unescaped newline.
11215 * cppmacro.c (builtin_macro): Set builtin flags here.
11216 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
11217 (replace_args): Clarify intent.
11218 (cpp_get_token): Macro expansion tokens get the saved flags.
11220 * cppmain.c (scan_buffer): Remove now-redundant print.printed
11223 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
11225 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
11228 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11230 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
11231 returns Pmode pseudo, but we need ptr_mode.
11232 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
11233 Remove bogus conversions; use HOST_WIDE_INT for size.
11234 Don't use TARGET if wrong mode.
11236 * config/i386/i386.c (ix86_compute_frame_size): Allow
11237 stack_alignment_needed to be non-default even if size is zero.
11239 2001-01-31 Alan Modra <alan@linuxcare.com.au>
11241 * pa.c (hppa_init_pic_save): New function.
11242 * pa.h (hppa_init_pic_save): Declare.
11243 * pa.md (call, call_value, sibcall, sibcall_value): Use
11244 the above instead of duplicated code.
11246 * pa.c (hppa_encode_label): Correct size of alloca buffer
11247 so we don't overrun it. Correct leading `*' case.
11248 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
11249 need to handle `*@'.
11250 (FUNCTION_NAME_P): Likewise.
11252 2001-01-31 Richard Henderson <rth@redhat.com>
11254 * config.gcc (alpha-osf5): Use float-i128.h.
11256 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
11257 * config/float-i32.h: Likewise.
11258 * config/float-i64.h: Likewise.
11259 * config/float-sh.h: Likewise.
11260 * config/float-sparc.h: Likewise.
11262 2001-01-31 DJ Delorie <dj@redhat.com>
11264 * expmed.c (extract_bit_field): allow non-integral modes if we
11265 want to extract a whole register from itself.
11267 2001-01-31 Jakub Jelinek <jakub@redhat.com>
11269 * c-typeck.c (set_init_index): If first is equal to last, assume as
11270 if it was not a range at all.
11272 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11274 * config/fp-bit.c: Include tm.h.
11275 (float_to_si): Don't assume SImode is 32-bits wide.
11276 (float_to_usi): Likewise.
11278 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
11280 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
11282 (typename): Call pending_xref_error after parsing typed_typespecs.
11283 * c-decl.c (lookup_tag): Give error immediately rather than
11284 leaving it pending if the tag of the wrong type is in the same
11286 (xref_tag): Don't pedwarn for forward declarations of enum types
11288 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
11291 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11293 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
11295 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11297 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
11298 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
11300 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
11302 * cpphash.h (struct cpp_reader): New saved_flags.
11303 * cppmacro.c (cpp_get_token): Use saved_flags to remember
11304 to avoid a paste after a pasted token.
11306 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
11308 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
11309 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
11310 Wtype_MIN instead of LONG_MIN.
11312 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11314 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
11316 * fixinc/fixincl.x: Regenerated.
11317 * fixinc/inclhack.def (irix_limits_const): New definition to
11318 convert "const" to "__const" in limits.h.
11320 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
11322 * fixinc/genfixes (AG): Fix "autogen4" thinko.
11324 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11326 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
11327 when register dies in the insn.
11329 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11331 * diagnostic.c (fatal): Fix word wrap.
11333 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
11335 * combine.c (try_combine): Fix SUBREG setting for
11336 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
11338 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11340 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
11343 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
11345 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
11347 * toplev.c (decode_W_option): Update warn_larger_than
11348 unconditionally for each processed switch.
11350 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
11352 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
11354 (hppa_expand_prologue): Delete code to save pic offset table register
11355 in the function prologue.
11356 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
11357 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
11358 table register at the beginning of the function after the prologue.
11360 2001-01-29 lars brinkhoff <lars@nocrew.org>
11362 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
11364 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
11365 Jeff Law <law@redhat.com>
11367 * pa.md (return): Revise comment for trivial return.
11368 (return_internal): Non-trivial return pattern for non-PIC code.
11369 (return_internal_pic): Non-trivial return pattern for PIC code.
11370 It uses the PIC register to ensure it is restored after
11372 (epilogue): Generate appropriate return for PIC and non-PIC code.
11374 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
11376 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
11378 2001-01-29 DJ Delorie <dj@redhat.com>
11380 * combine.c (if_then_else_cond): Pass the correct mode to
11381 operand_subword() for constants.
11383 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
11385 * config/i386/cygwin.h: Add w32api to include search. Search different
11386 directories in a cross-build environment.
11388 2001-11-29 Tim Josling <tej@melbpc.org.au>
11390 * tree.h (TYPE_STUB_DECL): Add documentation.
11392 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
11394 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
11395 (sdbout_field_types): Likwise. Fix use of host_integerp.
11397 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
11399 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
11402 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
11404 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
11405 to use flag_gnu_linker.
11407 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
11409 * cpplib.c (T_BAD_DIRECTIVE): Remove.
11410 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
11412 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
11414 * tree.c, tree.h (build_parse_node): Remove; was identical to
11416 * c-lang.c (start_cdtor), objc/objc-act.c
11417 (build_module_descriptor): Use build_nt instead of
11420 2001-01-29 Jakub Jelinek <jakub@redhat.com>
11422 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
11423 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
11424 not have any upper bits set.
11426 2001-01-29 Phil Edwards <pme@sources.redhat.com>
11428 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
11430 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11432 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
11434 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
11436 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
11437 (integer_minus_one_node): Define.
11439 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
11441 * Makefile.in (bootstrap2-lean): Fix typo.
11443 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
11445 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
11446 : Don't set fe_value.
11447 * cpplib.h (AVOID_LPASTE): New flag.
11448 (struct cpp_hashnode): Remove fe_value.
11449 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
11450 * cppmacro.c (builtin_macro): Don't set flags here.
11451 (replace_args): Set AVOID_LPASTE flag on first token of an
11452 argument, and the token following it.
11453 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
11454 macro expansion, and on the token following it. Do it for
11456 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
11458 2001-01-27 Richard Henderson <rth@redhat.com>
11460 * config/alpha/t-ieee: Remove multilibbing.
11461 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
11463 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11465 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
11467 * Makefile.in: Remove all dependencies on defaults.h.
11468 * builtins.c: Don't include defaults.h.
11469 * c-common.c: Likewise.
11470 * c-decl.c: Likewise.
11471 * c-pragma.c: Likewise.
11472 * c-typeck.c: Likewise.
11473 * combine.c: Likewise.
11474 * i386.c: Likewise.
11475 * frame-ia64.c: Likewise.
11476 * cppexp.c: Likewise.
11477 * crtstuff.c: Likewise.
11478 * dbxout.c: Likewise.
11479 * dwarf2out.c: Likewise.
11480 * dwarfout.c: Likewise.
11481 * emit-rtl.c: Likewise.
11482 * except.c: Likewise.
11483 * expr.c: Likewise.
11484 * final.c: Likewise.
11485 * frame-dwarf2.c: Likewise.
11486 * libgcc2.c: Likewise.
11487 * optabs.c: Likewise.
11488 * profile.c: Likewise.
11489 * sdbout.c: Likewise.
11490 * toplev.c: Likewise.
11491 * tradcif.y: Likewise.
11492 * tree.c: Likewise.
11493 * varasm.c: Likewise.
11495 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11497 * builtins.c (expand_builtin_fputs): Use size_one_node when
11498 transforming into fwrite.
11500 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
11502 * extend.texi (Attribute Syntax): New section.
11504 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11506 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
11507 they didn't need fixing.
11509 2001-01-27 Janis Johnson <janis@us.ibm.com>
11511 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
11513 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
11514 to remove macro definitions that are duplicated from elfos.h.
11516 2001-01-27 Richard Henderson <rth@redhat.com>
11518 * config/i386/sco5gas.h: Move ...
11519 * config/usegas.h: ... here.
11520 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
11522 2001-01-27 Jakub Jelinek <jakub@redhat.com>
11524 * c-typeck.c (struct constructor_stack): Add range_stack member.
11525 (really_start_incremental_init): Clear it.
11526 (push_init_level): Save constructor_range_stack and clear it if
11527 pushing explicit braces.
11528 (pop_init_level): abort if constructor_range_stack is non-zero at
11529 explicit closing brace. Restore saved constructor_range_stack if
11532 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11534 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
11535 into register was forced into memory.
11537 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
11539 * Makefile.in: Remove uses of + before $(MAKE).
11541 2001-01-26 Richard Henderson <rth@redhat.com>
11543 * stmt.c (cost_table): Remove.
11544 (COST_TABLE, cost_table_initialized): New.
11545 (estimate_case_costs): Use the later instead of the former.
11546 (balance_case_nodes): Likewise.
11548 2001-01-26 Richard Henderson <rth@redhat.com>
11550 * alias.c (objects_must_conflict_p): Read-only slots may not
11551 conflict despite having the same type.
11553 2001-01-27 Michael Hayes <mhayes@redhat.com>
11555 * loop.c (loop_giv_reduce_benefit): Copy mode size into
11557 (check_ext_dependant_givs): Initialise u_start_val and
11559 (load_mems): Make last_max_reg unsigned.
11560 (try_swap_copy_prop): Use INSN_P and initialise set.
11562 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
11564 * README.AVR : Removed.
11566 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
11568 * pa-64.h (text_section): Remove declaration.
11570 * pa.md (return_internal): Remove mode on PIC register use.
11572 2001-01-25 lars brinkhoff <lars@nocrew.org>
11574 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
11575 ASM_CLOSE_PAREN): fix typos.
11577 2001-01-25 Mark Mitchell <mark@codesourcery.com>
11579 * acconfig.h: Define `const' to the empty string if neither
11580 __STDC__ nor __cplusplus is defined.
11581 * config.in: Regenerated.
11583 2001-01-25 David Edelsohn <edelsohn@gnu.org>
11585 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
11586 * collect2.c (main): Delete importf. Add ".obj" file extension.
11587 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
11588 (aix_std_libs): Add additional AIX libraries to skip.
11589 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
11590 * config/rs6000/aix51.h: New file.
11592 2001-01-25 Michael Hayes <mhayes@redhat.com>
11594 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
11595 (loop_insn_emit_before): No longer static.
11596 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
11597 (loop_givs_rescan, load_mems): Likewise.
11598 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
11599 (maybe_eliminate_biv_1):
11600 (move_movables): Replace emit_call_insn_before with
11601 loop_call_insn_hoist.
11602 * loop.h (loop_insn_emit_before): Add.
11603 * unroll.c (copy_loop_body): Replace emit_insn_before with
11604 loop_insn_emit_before.
11606 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
11608 * diagnostic.c (fatal): Request preprocessed source.
11610 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
11612 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
11613 olddecl has argument types and newdecl has none, use the argument
11614 types from olddecl.
11616 2001-01-24 Ulrich Drepper <drepper@redhat.com>
11618 * dwarf2out.c (prefix_of): New function. Determine longest common
11619 prefix of the two arguments. The units are whole path components.
11620 (output_file_names): When adding a new directory find the one entry
11621 with the longest common prefix already in the list. Artificially
11622 generate entry if there is none for this prefix.
11623 Fix test to check whether the zeroth directory entry is used.
11625 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
11627 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
11628 Changed all callers. Take it into account when deciding if a
11629 previously loaded value matches.
11631 2001-01-24 Richard Henderson <rth@redhat.com>
11633 * reload.c (find_reloads_subreg_address): Fail the substitution
11634 if the resulting address is insufficiently aligned.
11636 2001-01-24 DJ Delorie <dj@redhat.com>
11638 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
11639 check the original operand's mode also.
11640 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11642 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11644 * c-parse.in (cast_expr): Move compound literals from here ...
11645 (primary): ... to here. Use standard terminology "compound
11646 literal" instead of "constructor expression".
11648 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11650 * gcc.1, cpp.1: Regenerate.
11652 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11654 * calls.c (emit_library_call_value_1): Memory slot for
11655 pass-by-reference argument should have the mode of the argument,
11656 not of the pointer to it.
11658 2001-01-24 Tom Tromey <tromey@redhat.com>
11660 * gcc.texi (G++ and GCC): Mention gcj manual.
11661 (Standards): Link to section of manual mentioning gcj/Java
11664 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11666 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11667 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11668 * tradcpp.c (main): Add -imacros or -include'd dependencies
11670 * cpp.texi (-M, -MM): Document -M -include behaviour.
11672 2001-01-24 Roger Collins <roger@ProProject.com>
11674 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11676 2001-01-24 Will Cohen <wcohen@redhat.com>
11678 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11679 whether registers are 32 bits or 64 bits in size.
11681 2001-01-24 Ben Elliston <bje@redhat.com>
11683 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11685 2001-01-24 Richard Henderson <rth@redhat.com>
11687 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11688 (builtin_longjmp): Use it instead of emit_indirect_jump.
11690 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11692 * bb-reorder.c (make_reorder_chain_1): Handle case where
11693 jump edge goes to the same block as the fallthru edge.
11695 2001-01-23 Jim Wilson <wilson@redhat.com>
11697 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11698 * frame.h (__ia64_personality_v1): Add prototype.
11699 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11700 prototype form. Add void * cast to first argument to personality
11702 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11703 (asctoe113): Likewise.
11704 * config/ia64/frame-ia64.c: Include eh-common.h.
11705 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11707 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11709 (itanium_split_issue): Add prototype.
11710 (gen_nop_type): Ifdef out.
11711 (find_best_packet): Initialize best_packet.
11712 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11714 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11715 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11716 (flushrs): Add explicit stop bit at end.
11717 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11720 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11722 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11724 * libgcc2.c (__terminate_func): Make variable static.
11725 (__terminate_set_func): New function to set __terminate_func.
11726 * libgcc2.h (__terminate_func_ptr): New typedef.
11727 (__terminate_set_func): New function.
11729 2001-01-23 Richard Henderson <rth@redhat.com>
11731 * flow.c (init_propagate_block_info): Don't consider unchanging
11732 memories for dead frame store elimination.
11734 2001-01-23 Richard Henderson <rth@redhat.com>
11736 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11737 * defaults.h: ... here.
11739 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11741 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11743 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11745 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11747 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11749 * rs6000.h (rs6000_return_addr): Move prototype from here...
11750 * rs6000-protos.h (rs6000_return_addr): ...to here.
11751 (rs6000_init_expanders): Delete prototype.
11753 2001-01-23 Nick Clifton <nickc@redhat.com>
11755 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11756 (Spec Files): Document %B and %j and %. and %v3 and %M and
11757 %{S*&T} spec switches.
11759 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11761 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11763 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11764 Neil Booth <neil@daikokuya.demon.co.uk>
11766 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11767 Have -Werror make pedantic warnings errors, like the
11770 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11772 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11774 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11776 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11777 * integrate.c (expand_inline_function): Initialize them.
11778 (subst_constants): If changing COMPARE so that both its arguments
11779 will be VOIDmode and the comparison mode will be lost, note
11780 compare_mode. Use the recorded compare_mode to optimize
11783 2001-01-23 Jason Merrill <jason@redhat.com>
11785 * dwarf2out.c (new_die): Use xcalloc.
11786 (output_die): Abort rather than emit a local reference to offset 0.
11788 2001-01-17 Andrew Haley <aph@redhat.com>
11790 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11791 of a saved register; return NULL instead.
11792 (copy_reg): Take a pointer to a source register rather than a
11794 (next_stack_level): Remember the address in the stack frame of all
11796 Use the saved register pointer array as the source of the CFA.
11797 (throw_helper): Rewrite. Unwind once rather than twice and keep
11798 track of saved registers as we go.
11800 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11802 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11803 * c4x.c (c4x_legitimize_reload_address): Remove.
11804 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11805 reload address for ldp(k) insn.
11807 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11809 * pa.md (return_internal): Add a USE of the PIC register to ensure
11810 it is restored after each call.
11811 (return expander): Corresponding changes.
11813 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11815 * rs6000.h (INIT_EXPANDERS): Delete.
11816 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11817 * rs6000.c (rs6000_override_options): Call *_machine_status from
11819 (rs6000_init_expanders): ...instead of here. Delete.
11820 (rs6000_mark_machine_status): New function.
11821 (rs6000_init_machine_status): Use xcalloc.
11822 (rs6000_return_addr): Generate RTX for the return address.
11823 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11824 (rs6000_stack_info): Use it.
11826 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11828 * gthr-win32.h: Include errno.h to get a declaration for
11829 EINVAL and _mingw.h if the target is mingw32.
11831 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11833 * cpp.texi: Correct typos.
11835 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11837 * explow.c (probe_stack_range): Ensure value passed to
11838 stack_check_libfunc is ptr_mode, not Pmode.
11840 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11842 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11843 case, don't use operand_subword to calculate a SUBREG that is
11846 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11848 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11850 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11851 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11852 valid. If not replace it by equivalent insns.
11854 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11856 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11857 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11858 (c4x_U_constraint, symbolic_address_operand): Likewise.
11859 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11861 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11862 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11863 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11864 anulling slot because of silicon bug.
11865 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11867 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11869 * cppexp.c (parse_charconst): Change `mask' type to agree
11872 2001-01-21 Richard Henderson <rth@redhat.com>
11874 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11875 pic_label_name in a linkonce section.
11877 2001-01-17 Philipp Thomas <pthomas@suse.de>
11879 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11881 * configure: Regenerate.
11883 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11885 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11886 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11888 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11890 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11891 If REVERSE nonzero then condition code in X must be reversed.
11892 (encode_section_info): Optimise if/else.
11893 (avr_function_value): Fix formatting.
11895 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11896 (difficult_branch): Likewise.
11897 (rvbranch): Likewise.
11898 (difficult_rvbranch): Likewise.
11900 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11902 * config/avr/libgcc.S: Fix comment.
11904 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11906 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11908 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11910 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11912 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11914 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11915 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11916 * configure, config.in: Regenerate.
11917 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11918 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11919 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11920 (doprint.o): New rule.
11922 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11924 * c-typeck.c (digest_init): Handle boolean types as scalars.
11926 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11928 * stmt.c (expand_return): Don't return anything if size is zero.
11929 Delete redundant assignment to BYTES.
11930 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11932 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11934 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11935 the same as the default library function names.
11936 * config/avr/avr.md: Document special characters after '%'.
11937 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11938 knowing which of the call-used registers are really clobbered.
11939 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11940 New. Both quotient and remainder from one libgcc.S call.
11941 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11942 clobber as few registers as possible.
11943 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11945 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11947 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11948 context of the top of the stack.
11950 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11952 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11953 (fixup_var_refs_insns): ...here.
11955 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11957 * function.c (fixup_var_refs_insns): Break up into
11958 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11959 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11960 [loop over hash table entries].
11961 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11962 fixup_var_refs_insns_with_hash, to match above changes.
11964 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11966 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11967 (libgcc.a): Likewise.
11968 (stmp-multilib): Likewise.
11969 (STAGE2_FLAGS_TO_PASS): Likewise.
11971 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11973 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11974 temporary if no_new_pseudos.
11976 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11978 * cppinternals.texi: Update.
11980 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11982 * arm.c (arm_init_builtins): Re-enable builtins.
11984 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11986 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11987 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11988 element to be null, and always expect an EXPR_LIST.
11989 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11990 * sched-deps.c (sched_analyze_1): Likewise.
11991 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11993 * regclass.c (max_set_parallel): New variable.
11994 (reg_scan): Take it into account in computation of max_parallel.
11995 (reg_scan_mark_refs, case SET): Compute it.
11997 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11999 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
12000 * function.c (assign_parms): Use INTVAL for a CONST_INT.
12002 2001-01-19 Jason Merrill <jason@redhat.com>
12004 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
12005 for the abstract instance of an inline function.
12007 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
12008 J"orn Rennecke <amylaar@redhat.com>
12010 * reload1.c (move2add_note_store): Treat all registers directly or
12011 indirectly derived from a base register as members of the same set
12013 (reload_cse_move2add): Adjust accordingly. Take mode and offset
12014 of base register into account.
12016 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
12018 * alias.c (find_base_value): Recognize TRUNCATE.
12019 (record_set): In PLUS case, invalidate if other summand is also a
12022 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12024 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
12025 entry to be EXPR_LIST.
12026 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
12027 be an EXPR_LIST (but not null, which other code doesn't allow).
12028 (note_stores): Properly handle PARALLEL in SET.
12029 Recursively call for top-level PARALLEL.
12030 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
12031 * sched-rgn.c (check_live_1, update_live_1): Likewise.
12033 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
12035 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
12037 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
12038 not pfile->skipping (== 0).
12040 2001-01-17 Nick Clifton <nickc@redhat.com>
12042 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
12045 2001-01-17 Jim Wilson <wilson@redhat.com>
12047 * invoke.texi (IA-64 options): Improve.
12049 2001-01-17 Tom Tromey <tromey@redhat.com>
12051 * invoke.texi (Optimize Options): Use `{}' to around @samp
12054 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
12056 * invoke.texi (-fno-guess-branch-probability): New option.
12058 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12060 * combine.c (try_combine): Don't set i3_subst_into_i2 for
12061 case of making new double-word constant.
12062 Revert last change: instead just test i3_subst_into_i2.
12064 2001-01-17 Jakub Jelinek <jakub@redhat.com>
12066 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
12067 Use q constraints instead of r.
12069 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
12071 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
12072 (machine_function): Define.
12073 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
12074 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
12075 pa_free_machine_status): New functions.
12076 (override_options): Set {init,mark,free}_machine_status to above.
12077 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12078 PIC_OFFSET_TABLE_REGNUM_SAVED.
12079 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
12080 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
12081 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
12082 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
12083 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12085 2001-01-15 DJ Delorie <dj@redhat.com>
12087 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
12091 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12093 * flow.c (propagate_one_insn): Make trying to delete a prologue
12094 or epilogue insn an ICE, not a warning. Allow doing this if
12095 the current function returns with stack pointer depressed.
12097 * combine.c (try_combine): If i3_subst_into_i2, properly check for
12098 I3 having more than one SET.
12100 2001-01-16 Jim Wilson <wilson@redhat.com>
12102 * invoke.texi: Document IA-64 options.
12104 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
12105 (fixup_errata): Delete TARGET_A_STEP use.
12106 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
12107 (TARGET_SWITCHES): Delete -ma-step option.
12108 * config/ia64/ia64.md (all FP patterns): Delete %B0.
12109 (movqicc_astep, movqi_internal_astep, movhicc_astep,
12110 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
12111 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
12112 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
12113 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
12115 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
12116 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
12117 cmovsi_internal): Delete ! TARGET_A_STEP check.
12119 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12121 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
12122 possibility to report bugs via postal mail. Change a URL and
12123 merge in a nearly duplicate statement...
12124 (Bug Reporting): ...from here.
12125 (Service): Refer to the Bug Reporting section instead of
12126 duplicating an URL.
12127 (Contributing): Remove trivial explanations concerning snapshots.
12129 2001-01-16 Alan Modra <alan@linuxcare.com.au>
12131 * cppmain.c (general_init): Don't use ANSI prototype.
12133 2001-01-16 Tom Tromey <tromey@redhat.com>
12135 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
12137 2001-01-16 Richard Henderson <rth@redhat.com>
12139 * config/i386/i386.h: Fix comment typo.
12140 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
12141 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
12143 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12145 * gcc.c: Revert previous -fsyntax-only-related change; move
12148 2001-01-16 Jakub Jelinek <jakub@redhat.com>
12150 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
12151 inmode after checking GET_CODE (op).
12153 2001-01-16 Richard Henderson <rth@redhat.com>
12155 * flow.c (struct propagate_block_info): Add mem_set_list_len.
12156 (MAX_MEM_SET_LIST_LEN): New.
12157 (propagate_one_insn): Update mem_set_list_len.
12158 (invalidate_mems_from_autoinc): Likewise.
12159 (invalidate_mems_from_set): Likewise.
12160 (mark_used_regs): Likewise.
12161 (init_propagate_block_info): Likewise. Stop collecting memories
12162 when we reach MAX_MEM_SET_LIST_LEN.
12163 (mark_set_1): Likewise.
12165 2001-01-16 Richard Henderson <rth@redhat.com>
12167 * unroll.c (precondition_loop_p): Fail if no iteration
12170 2001-01-16 Phil Edwards <pme@sources.redhat.com>
12172 * gcc.c: When -fsyntax-only is given, do not complain about
12175 2001-01-15 Richard Henderson <rth@redhat.com>
12177 * config/i386/i386.c (asm_output_function_prefix): Remove.
12178 (ix86_asm_file_end): New.
12179 (load_pic_register): Generate pic_label_name into a
12180 staticly allocated buffer.
12181 * config/i386/i386-protos.h: Update.
12182 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
12183 (ASM_FILE_END): New.
12184 * config/i386/i386afe.h: New file.
12185 * config.gcc (i?86-*-elf) [tm_file]: Use it.
12186 (i?86-*-{freebsd,linux*,moss*}): Likewise.
12187 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
12188 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
12189 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
12190 * config/i386/sco5.h (ASM_FILE_END): Likewise.
12191 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
12193 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
12195 * Makefile.in (install-man): Remove explicit dependency on
12198 * configure.in, configure: Revert previous patch requiring perl
12201 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
12203 * toplev.c (flag_guess_branch_prob): New.
12204 (f_options): Add guess-branch-probability option.
12205 (rest_of_decl_compilation): Only estimate branch probability if
12207 (main): set flag_guess_branch_prob.
12209 * flags.h (flag_guess_branch_prob): New.
12211 2001-01-15 DJ Delorie <dj@redhat.com>
12213 * gcc.texi (Makefile): Add documentation for Makefile targets.
12215 2001-01-15 Philip Blundell <philb@gnu.org>
12217 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
12219 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
12220 (is_pic): Delete declaration.
12221 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
12222 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
12223 * config/arm/arm.md (builtin_setjmp_receiver): New.
12225 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12227 * arm.c (use_return_insn): Don't try to determine the function type
12228 until after reload has completed.
12229 (arm_output_epilogue): Don't adjust the sp value recovered from the
12231 (emit_multi_reg_push): Don't record dwarf information for the pc.
12232 * arm.md (eh_epilogue): The function type may have changed, so it
12233 needs to be recalculated.
12234 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
12235 unwind tables on arm/netbsd.
12237 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12239 * arm.md (cbranchsi4): Correct calculation of branch ranges.
12240 (negated_cbranchsi4): Likewise.
12242 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
12244 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
12245 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12246 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
12247 pass -mapcs-* options to assembler.
12248 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
12249 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
12250 (ASM_SPEC): Call subtarget_extra_asm_spec.
12252 2001-01-15 Andreas Jaeger <aj@suse.de>
12254 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
12256 (ix86_expand_builtin): Likewise.
12258 * gencodes.c (output_predicate_decls): Make i size_t to avoid
12259 warning about comparison between signed and unsigned.
12261 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12263 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
12265 2001-01-14 Ralf Baechle <ralf@gnu.org>
12267 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
12268 SUBTARGET_CPP_SPEC apropriatly.
12270 2001-01-12 Mark Mitchell <mark@codesourcery.com>
12272 * varasm.c (make_decl_rtl): Fix typo in last change.
12274 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
12276 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
12277 linker supports the init_priority C++ attribute.
12278 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
12279 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
12280 linker does not support init_priority C++ attribute.
12282 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
12284 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
12286 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12288 * c-parse.in (finish_parse): Add comment about cpp_destroy.
12289 * cp/lex.c (finish_parse): Similarly.
12290 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
12291 Return the number of errors encountered.
12292 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
12293 * cppmain.c (main): Don't call cpp_destroy.
12295 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
12297 * configure.in: Require at least perl 5.6.0 to regenerate
12299 * configure: Regenerate.
12301 2001-01-14 Richard Henderson <rth@redhat.com>
12303 * genrecog.c (DT_veclen_ge): New.
12304 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
12305 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
12306 (nodes_identical_1): Handle DT_veclen_ge.
12307 (write_cond, debug_decision_2): Likewise.
12309 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12311 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
12313 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
12315 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
12317 * cppmain.c (do_preprocessing): New function; most of the old
12319 (main): Call it to do most of the work.
12320 (cb): Move from global scope to set_callbacks ().
12321 (setup_callbacks): Get the callback pointer.
12322 (general_init, printer_init): Clean up code and comments.
12324 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
12326 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
12329 2001-01-14 Kazu Hirata <kazu@hxi.com>
12331 * config/h8300/h8300.c (get_shift_alg): Update comments.
12333 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12335 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
12336 (alloc_page, ggc_alloc): Add casts to remove warnings.
12338 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
12340 * combine.c (simplify_comparison): Don't change `code' when
12341 can't reverse comparison.
12343 2001-01-14 Richard Henderson <rth@redhat.com>
12345 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
12346 update all call sites. Return true for all non-label constants.
12348 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
12350 * i386.c (ix86_expand_compare): Add bypass_test and second_test
12352 (ix86_expand_branch): Update.
12353 (ix86_expand_setcc): Update to handle multiple test conditions.
12354 (expand_int_movcc): Likewise.
12355 (expand_fp_movcc): Likewise.
12356 * i386-protos.h (ix86_expand_compare): New.
12357 * i386.md (andqi_?_slp, orqi_?_slp): New.
12358 (conditional trap expander): Update call to ix86_expand_compare.
12360 2001-01-14 Richard Henderson <rth@redhat.com>
12362 * config/vax/vax.md: Use nonimmediate_operand instead of
12363 general_operand in destinations.
12365 * config/vax/vax.md (indirect_jump): Use register_operand.
12367 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
12368 * config/vax/vax.md (call_pop): Turn into an expander.
12369 (call_value_pop): Likewise.
12370 (call, call_value): New.
12372 2001-01-14 Andreas Jaeger <aj@suse.de>
12374 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
12376 (ix86_fp_compare_mode): Add unused attribute.
12377 (ix86_expand_fp_movcc): Remove unused variable.
12378 (ix86_expand_builtin): Make fcode unsigned.
12380 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
12381 (expand_expr): Add cast to avoid signed warning.
12382 (store_field): Likewise.
12383 (store_constructor_field): Likewise.
12384 (store_constructor): Likewise.
12385 (store_expr): Likewise.
12386 (clear_storage): Likewise.
12387 (emit_group_store): Likewise.
12388 (emit_group_load): Likewise.
12390 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12392 * c-common.c: Move format checking code to ...
12393 * c-format.c: ... here. New file. Reorder some functions and
12395 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
12397 * c-common.h (decl_handle_format_attribute,
12398 decl_handle_format_arg_attribute): Declare.
12399 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
12400 (c-common.o): Adjust dependencies.
12401 (c-format.o): New list of dependencies.
12403 2001-01-13 Jakub Jelinek <jakub@redhat.com>
12405 * unroll.c (loop_iterations): If we cannot prove iteration variable
12406 is set once in each iteration, punt.
12408 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
12410 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
12411 (*strlenhi): Remove clobber (which was buggy) of output address.
12413 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12415 * Makefile.in (generated-manpages): Add gcc.1
12416 ($(srcdir)/gcc.1): New target.
12417 (maintainer-clean): Delete $(srcdir)/gcc.1.
12418 * gcc.texi: Add macros @gccoptlist and @gol.
12419 * invoke.texi: Include option summary in manpage. Mark up option
12420 summary with @gccoptlist and @gol. Use @r in one place where
12422 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
12423 * gcc.1: Generate from invoke.texi.
12425 2001-01-13 Richard Henderson <rth@redhat.com>
12427 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
12428 (struct page_entry): Add group member.
12429 (struct page_group): New.
12430 (struct globals): Add page_groups member.
12431 (alloc_anon): Only define for using mmap; remove valloc call.
12432 (page_group_index): New.
12433 (set_page_group_in_use): New.
12434 (clear_page_group_in_use): New.
12435 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
12436 (free_page, release_pages): Likewise.
12437 * configure.in (with-gc): Default to ggc-page always.
12439 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12441 * reload1.c (replace_pseudos_in_call_usage): Use
12442 reg_equiv_constant and reg_equiv_address, and don't try
12443 regno_reg_rtx first.
12445 2001-01-13 Richard Henderson <rth@redhat.com>
12447 * ggc-page.c (alloc_page): Round up allocation size to one page.
12448 Set e->order on extra pages.
12450 2001-01-13 Richard Henderson <rth@redhat.com>
12452 * genrecog.c (nodes_identical): Expand commentary.
12453 (write_switch): Watch out for identical nodes.
12455 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12457 * cppfiles.c (_cpp_fake_include): New function.
12458 * cpphash.h (_cpp_fake_include): New.
12459 * cpplib.c (do_line): Call _cpp_fake_include when entering
12460 header files in preprocessed input.
12461 * cppmain.c (cb_pragma_implementation): Remove handling.
12462 (setup_callbacks): Don't register pragmas.
12464 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12466 * extend.texi: Udate for CPP.
12468 2001-01-13 Andreas Jaeger <aj@suse.de>
12470 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
12472 * regmove.c: Add prototype for replace_in_call_usage.
12474 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12476 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
12477 struct cpp_chunk, struct htab, struct toklist,
12478 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
12479 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
12480 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
12481 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
12482 (struct macro_args): Delete.
12483 * cpphash.h: See above.
12485 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12487 * cppmain.c (struct printer): Remove no_line_dirs.
12488 (options, cb): New.
12489 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
12490 : Use options rather than CPP_OPTION.
12491 (setup_callbacks): Use cb rather than pfile->cb.
12492 (main): No need to check for a buffer. Use cpp_errors.
12493 (printer_init): Don't set no_line_dirs.
12494 (maybe_print_line): Use options not no_line_dirs.
12495 (cb_file_change): Don't call print_line if -P.
12497 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12499 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
12501 * c-parse.in (finish_parse): Use cpp_errors.
12502 (__yylex): Use return value of cpp_pop_buffer.
12503 * cp/lex.c (finish_parse): Use cpp_errors.
12504 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
12506 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
12508 * README.AVR: URLs corrected.
12510 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12512 * c-decl.c (start_function): Don't warn if old prototype is builtin
12513 that's not in C's namespace.
12514 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
12515 (_bb): Add prototype for ctime.
12516 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
12518 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
12520 * i386.c (ix86_fp_comparison_arithmetics_cost,
12521 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
12522 ix86_fp_comparison_cost): New functions.
12523 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
12524 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
12525 two-branch sequences; make static.
12526 (ix86_use_fcomi_compare): Do decision according to the costs.
12527 (split_fp_branch): New.
12528 * i386.md (compare-and-branch patterns): Use split_fp_branch.
12529 * i386-protos.h (ix86_expand_fp_compare): Remove
12530 (ix86_split_fp_branch): Declare.
12532 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
12533 and ix86_comparison_operator.
12535 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
12536 to make it cheaper.
12538 * i386.c (put_condition_code): Output properly the unordered/ordered
12539 compares in fp case.
12540 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
12542 * tm.texi (REVERSE_CONDITION): Document.
12543 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
12544 in -ffast-math mode.
12545 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
12547 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
12549 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
12551 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
12554 * config/sh/sh.c (mova_p): Fix test for mova_const.
12556 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12558 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
12559 cpp_get_options rather than dereferencing pfile and using
12561 * scan-decls.c (scan_decls): Use return value of
12562 cpp_pop_buffer rather than CPP_BUFFER.
12564 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
12566 * cppinit.c (cpp_handle_option): help_only is now part of the
12567 cpp_options structure.
12568 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
12569 cpp_set_callbacks): New functions.
12570 * cpplib.h (cpp_callbacks): Break out as a named structure.
12571 (cpp_options): Move help_only here from cpp_reader.
12572 (CPP_FATAL_ERRORS): Update to use cpp_errors.
12573 (cpp_errors, cpp_get_options, cpp_get_callbacks,
12574 cpp_set_callbacks): New prototypes.
12575 * cppmain.c (main): Update for help_only.
12577 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
12579 * Makefile.in (info, maintainer-clean, install-info, uninstall):
12580 Also build and remove and install and uninstall c-tree.info and
12582 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
12583 ($(srcdir)/cppinternals.info): New target.
12584 * c-tree.texi: Change file name used when makeinfo used without -o
12585 from ir.info to c-tree.info. Add info directory entry.
12586 * cppinternals.texi: Add info directory entry.
12587 * .cvsignore: Update.
12589 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12591 * c-typeck.c (store_init_value): Don't require constant initializer
12592 elements with -pedantic -std=c99.
12593 (digest_init): Change error about non-constant initializer elements
12595 (constructor_range_end): Remove.
12596 (constructor_incremental, designator_depth,
12597 designator_errorneous): New variables.
12598 (struct constructor_stack): Remove range_end, add incremental.
12599 (struct constructor_range_stack, constructor_range_stack): New.
12600 (struct initializer_stack): Add constructor_range_stack.
12601 (finish_init): Set it.
12602 (start_init): Likewise. require_constant_elements for non-static
12603 trees only if not flag_isoc99.
12604 (really_start_incremental_init): Remove constructor_range_end, add
12605 constructor_incremental.
12606 (pop_init_level): Likewise.
12607 (push_init_level): Likewise. If implicit and the subobject had some
12608 value set already, preinitialize the level with it.
12609 Warn about missing braces only if not pushing due to designators.
12610 (set_designator, push_range_stack): New functions.
12611 (set_init_label): Use them.
12612 (set_init_index): Likewise. Remove constructor_range_end.
12613 Error if designator index is outside of array bounds.
12614 (add_pending_init): Compare values of purpose index trees, not the
12615 trees themselves. Allow overwriting of already initialized element.
12616 Issue a warning if it had side-effects.
12617 (set_nonincremental_init, set_nonincremental_init_from_string): New
12619 (pending_init_member): Rename to...
12620 (find_init_member): ...this function. Call set_nonincremental_init
12621 if necessary. Compare values of purpose index trees, not the trees
12622 themselves. Return the actual value, not just non-zero if something
12624 (output_init_element): Remove checks for duplicates.
12625 If field has zero size, only check the initializer for correctness.
12626 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
12627 if constructor_incremental is zero. Change error about initializers
12628 not computable at load time into pedwarn.
12629 (output_pending_init_elements): Compare bit positions, not
12630 FIELD_DECLs to take into account zero-sized fields.
12631 (process_init_element): Use constructor_range_stack to fill all
12632 ranges in the designator lists from current level up.
12633 * extend.texi: Update documentation for labeled elements.
12635 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
12637 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
12638 to function usage for arguments passed by reference. Optimize
12639 callee-copied arguments.
12640 * regmove.c (replace_in_call_usage): New function.
12641 (fixup_match_1): Call it.
12642 * cse.c (cse_insn): Canonicalize registers in function usage.
12643 * reload1.c (replace_pseudos_in_call_usage): New function.
12646 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12649 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12651 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12654 2001-01-12 DJ Delorie <dj@redhat.com>
12656 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12657 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12660 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12662 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12663 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12664 -std options alongside references to -ansi. Update some
12665 documentation for C99.
12666 * cpp.1: Regenerate.
12668 2001-01-12 Andreas Jaeger <aj@suse.de>
12670 * haifa-sched.c (restore_line_notes): Remove argument block B
12672 * sched-ebb.c (schedule_ebb): Change caller.
12673 * sched-rgn.c (schedule_region): Likewise.
12674 * sched-int.h (restore_line_notes): Adjust prototype.
12676 * loop.h: Remove wrong declaration of doloop_condition_get.
12678 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12680 * extend.texi: Move C++-extension-related node from the C section
12681 into the C++ section.
12683 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12685 * extend.texi: Refer to an array of pointers to functions instead
12686 of one of functions.
12688 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12689 Jan Hubicka <jh@suse.cz>
12691 * combine.c (reversed_comparison): Fix typo in last patch.
12693 (combine_reversed_comparison_code): Make static to follow
12694 prototype declaration.
12696 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12698 * install.texi: Remove misplaced duplicate entry.
12700 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12702 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12704 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12706 * final.c: (leaf_function_p): Fix typo.
12708 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12710 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12711 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12713 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12714 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12715 mmap_anon, and valloc is available.
12716 * ggc-page.c: Restructure ifdef logic to match new autoconf
12717 spec. Don't throw away the test page in init_ggc.
12719 * configure, config.in: Regenerate.
12721 2001-01-12 Michael Hayes <mhayes@redhat.com>
12723 * loop.h (total_biv_increment): Constify iv_class pointer.
12724 (struct induction): Replace `mem_mode' with `mem' rtx.
12725 * unroll.c (total_biv_increment): Constify iv_class pointer.
12726 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12727 (find_mem_givs, combine_givs_p): Likewise.
12728 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12730 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12732 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12734 (__gthread_getspecific): Ditto.
12736 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12738 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12739 put_condition_code): Convert fp comparison codes to integer
12741 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12744 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12745 * i386-protos.h (no_comparison_operator): Kill.
12747 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12749 * combine.c (REVERSIBLE_CC_MODE): Remove.
12750 (reversible_comparison_p): Remove.
12751 (combine_reversed_comparison_code): New.
12752 (reversed_comparison): New.
12753 (combine_simplify_rtx): Use
12754 combine_reversed_comparison_code/reversed_comparison instead
12755 of reversible_comparison_p.
12756 (simplify_if_then_else): Likewise.
12757 (simplify_set): Likewise.
12758 (simplify_logical): Likewise.
12759 (if_then_else_cond): Likewise.
12760 (known_cond): Likewise.
12761 (simplify_comparison): Likewise.
12763 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12765 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12766 sizeof (int) is larger than sizeof(__word__).
12768 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12770 * cppinit.c (do_includes): Fix typo.
12772 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12774 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12775 in S_REGS does not occur because not all sources are possible
12776 when a S_REGS is a destination (sometimes needs a clobber).
12777 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12778 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12779 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12780 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12781 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12782 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12783 (lshrdi_const1, lshrsi3_const16): Likewise.
12784 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12785 (*movhi_68hc12, *movqi_68hc12): Likewise.
12786 (movstrictqi): Make sure reloading in D_REGS as a destination
12789 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12791 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12793 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12795 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12796 -D, -U and -A, and don't initialize the builtins.
12797 (do_includes): Error if -include or -imacros with -fpreprocessed.
12798 * cppmain.c (cb_define, cb_undef): Unconditionally process
12800 * tradcpp.c (main): Fix typo.
12802 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12804 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12805 (read_name_map): Use IS_ABSOLUTE_PATH.
12806 * tradcpp.c (get_filename): Likewise.
12808 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12810 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12811 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12812 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12813 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12814 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12815 (cmphi_z_used): Don't use '@' for the output.
12816 (tstqi_z_used): Likewise.
12817 (cmpqi_z_used): Likewise.
12818 (one_cmplsi2): Likewise.
12820 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12822 * config/sh/sh.c (barrier_align): Recognize branch around far
12823 branch and redundant insn.
12825 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12827 * invoke.texi: Restore documentation of the drivers' switches -MD
12830 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12832 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12834 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12835 check-objc//%): Support parallel testing of multilibs.
12836 (TESTSUITEDIR): Set to testsuite by default, but override for
12838 (check-gcc, check-g++, check-g77, check-objc): Enter
12841 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12843 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12844 * sched-deps.c (deps_may_trap_p): Likewise.
12845 * basic-block.h: Remove a comment.
12846 * flow.c (PROP_POSTRELOAD): Remove.
12847 (update_life_info): Don't add it to prop_flags.
12848 (mark_set_1): Lose the code that was enabled by it.
12850 2001-01-11 Michael Hayes <mhayes@redhat.com>
12852 * flow.c (flow_call_edges_add): New.
12853 * basic_block.h (flow_call_edges_add): New.
12855 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12857 * reload1.c (move2add_note_store): Update reg_set_luid even if
12858 base reg remains the same.
12860 2001-01-10 Nick Clifton <nickc@redhat.com>
12862 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12863 machine_function structure to zero.
12864 Add prototypes for machine_status functions.
12866 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12868 * c-common.h (CTI_VOID_LIST): Remove.
12869 (void_list_node): Likewise.
12870 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12871 (void_list_node): New macro.
12872 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12873 * config/i386/i386.c (ix86_init_builtins): Likewise.
12874 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12876 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12878 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12879 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12881 * tradcpp.c: Include mkdeps.h.
12882 (deps, print_deps_phony_targets, deps_append, output_deps,
12883 init_dependency_output, output_deps): New.
12884 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12885 deps_output): Delete.
12886 (print_deps_missing_files): Rename deps_missing_files.
12887 (inhibit_output): Make global.
12888 (main): Delete inhibit_output, deps_stream, deps_target.
12889 Use mkdeps functionality in the same way as cpplib. Remove
12890 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12891 -M and -MM. Remove old handling of deps via deps_out, and
12892 old reading of environment variables.
12893 (get_filename): Update to use deps_add_dep.
12895 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12897 * output.h (make_function_rtl): Remove prototype.
12898 (make_decl_rtl): Likewise.
12899 * varasm.c (make_function_rtl): Remove.
12900 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12901 than from a third parameter.
12902 * tree.h (make_decl_rtl): Remove last parameter.
12903 * c-decl.c (builtin_function): Remove last argument in call to
12904 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12905 (start_function): Likewise.
12906 * except.c (call_get_eh_context): Likewise.
12907 * expr.c (emit_block_move): Likewise.
12908 (clear_storage): Likewise.
12909 * profile.c (output_func_start_profiler): Likewise.
12910 * toplev.c (rest_of_decl_compilation): Likewise.
12911 * objc/objc-act.c (create_builtin_decl): Likewise.
12912 (synth_module_prologue): Likewise.
12913 (generate_static_reference): Likewise.
12914 (build_selector_reference_decl): Likewise.
12915 (build_class_reference_decl): Likewise.
12916 (build_objc_string_decl): Likewise.
12917 (build_protocol_reference): Likewise.
12919 2001-01-10 Richard Henderson <rth@redhat.com>
12921 * hwint.h: Revert yesterday's change.
12923 2001-01-10 Nick Clifton <nickc@redhat.com>
12925 * function.h (save_machine_status): Delete.
12926 (restore_machine_status): Delete.
12927 Amend comment describing {init|mark|free}_machine_status.
12929 * function.c (save_machine_status): Delete.
12930 (restore_machine_status): Delete.
12931 Amend comment describing {init|mark|free}_machine_status.
12932 (push_function_context_to): Remove invocation of
12933 save_machine_status.
12934 (pop_function_context_from): Remove invocation of
12935 restore_machine_status.
12937 * emit-rtl.c (init_emit_once): Amend comment describing
12938 {init|mark|free}_machine_status.
12940 * tm.texi (Per-Function Data): New node. Describe the
12941 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12944 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12946 * cppinit.c (OPT_g): Remove.
12947 (cpp_handle_option): Update for removed -g3.
12948 (print_help): Update.
12949 * cpplib.h (struct cpp_options): Remove debug_output.
12950 * cppmain.c (setup_callbacks, cb_define): Update.
12951 * gcc.c (cpp_options): Translate -g3 to -dD.
12953 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12955 * config/i960/i960.md: Change modifier to + on the zero_extract
12956 pattern after the (rotate -2 reg) canonicalization pattern.
12958 2001-01-10 Richard Henderson <rth@redhat.com>
12960 * config/alpha/alpha.c (alpha_free_machine_status): New.
12961 (override_options): Install it.
12962 (alpha_mark_machine_status): Verify machine non-null.
12963 * config/i386/i386.c (ix86_free_machine_status): New.
12964 (override_options): Install it.
12965 (ix86_init_machine_status): Use xcalloc.
12966 (ix86_mark_machine_status): Verify machine non-null.
12967 * config/ia64/ia64.c (ia64_free_machine_status): New.
12968 (ia64_override_options): Install it.
12969 (ia64_mark_machine_status): Verify machine non-null.
12971 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12973 * function.c (instantiate_virtual_regs): Instantiate virtual
12974 registers found in CALL_INSN_FUNCTION_USAGE.
12976 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12978 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12979 equivalent to -ansi in disabling -Di386.
12981 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12983 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12985 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12987 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12989 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12991 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12993 * invoke.texi: Document that -fcond-mismatch isn't supported for
12996 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12998 * gcc.texi: Define macro gcctabopt.
12999 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
13000 @command, @env and @option in some places where appropriate. Use
13001 @gcctabopt where appropriate. Put URLs and email addresses inside
13004 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
13006 * gcc.c (cpp_options): Set MD file name from output
13007 filename, if specified.
13008 (suffix_subst): New static variable.
13009 (do_spec): Clear it.
13010 (do_spec_1, case '.'): Handle new `%.suffix' spec.
13012 (give_switch): Handle suffix_subst.
13014 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13016 * invoke.texi: Fix another typo.
13018 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13020 * invoke.texi: Fix typo.
13022 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
13024 * c-lang.c (lang_hooks): Update.
13025 (lang_decode_option): Remove.
13026 (lang_init_options): Rename c_init_options.
13027 * toplev.c (main): Use lang_hooks for lang_init_options
13028 and lang_decode_option.
13029 * toplev.h (lang_hooks): Add 2 new hooks.
13030 * tree.h: Remove lang_init_options and lang_decode_option.
13031 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
13032 * cp/decl2.c: Similarly.
13033 * cp/lex.c (lang_init_options): Rename cxx_init_options.
13034 (lang_hooks): Update.
13035 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
13037 (lang_init_options): Rename ffe_init_options.
13038 (lang_hooks): Update.
13039 (lang_decode_option): Remove.
13040 * java/lang.c (lang_init_options): Rename java_init_options.
13041 (lang_decode_option): Rename java_decode_option.
13042 (lang_hooks): Update.
13043 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
13044 (lang_decode_option): Rename objc_decode_option.
13045 (lang_hooks): Update.
13047 2001-01-09 Nick Clifton <nickc@redhat.com>
13049 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
13050 (d30v_return_addr_rtx): Delete.
13051 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
13052 cfun->machine structure.
13053 (struct machine_function): Move to d30v.h
13054 (d30v_save_machine_status): Delete.
13055 (d30v_restore_machine_status): Delete.
13056 (d30v_init_machine_status): New Function.
13057 (d30v_mark_machine_status): New Function.
13058 (d30v_free_machine_status): New Function.
13059 (d30v_init_expanders): Use new functions.
13060 (d30v_return_addr): Use ra_rtx field in cfun->machine.
13061 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
13062 d30v_return_addr_rtx.
13064 * config/d30v/d30v.h (struct_machine): Move here.
13065 Add eh_epilogue_sp_ofs field.
13067 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
13068 field in cfun->machine structure.
13070 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
13072 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
13073 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
13074 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
13076 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
13078 * objc/lang-options.h: Remove bogus reference to
13081 2001-01-09 Kazu Hirata <kazu@hxi.com>
13083 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
13086 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
13088 * reload.c (find_reloads_address): Check for eliminable registers
13089 when substituting a constant expression for a pseudo.
13091 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
13093 * c-common.c (enum format_type): Add format_type_error.
13094 (decode_format_type): New function.
13095 (decl_attributes): Use it.
13096 (format_kind_info): Adjust comment.
13098 2001-01-09 David O'Brien <obrien@BSDi.com>
13100 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
13101 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
13103 * config/i386/gnu.h: Don't include required platform specific .h files,
13104 tm.h will do it instead.
13105 * config/i386/i386elf.h: Likewise.
13106 * config/i386/linux.h: Likewise.
13107 * config/i386/moss.h: Likewise.
13108 * config/mips/gnu.h: Likewise.
13110 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13112 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
13113 (rs6000-ibm-aix3.[01]*): Likewise.
13114 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
13115 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
13116 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
13117 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
13118 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
13119 (powerpc-*-eabiaix*): Likewise.
13120 (powerpc-*-eabisim*): Likewise.
13121 (powerpc-*-elf*): Likewise.
13122 (powerpc-*-eabi*): Likewise.
13123 (powerpc-*-rtems*): Likewise.
13124 (powerpc-*-linux*libc1): Likewise.
13125 (powerpc-*-linux*): Likewise.
13126 (powerpc-wrs-vxworks*): Likewise.
13127 (powerpcle-wrs-vxworks*): Likewise.
13128 (powerpcle-*-sysv*): Likewise.
13129 (powerpcle-*-elf*): Likewise.
13130 (powerpcle-*-eabisim*): Likewise.
13131 (powerpcle-*-eabi*): Likewise.
13132 (powerpcle-*-solaris2*): Likewise.
13133 * config/rs6000/aix31.h: Delete includes.
13134 * config/rs6000/aix3newas.h: Likewise.
13135 * config/rs6000/aix41.h: Likewise.
13136 * config/rs6000/aix43.h: Likewise.
13137 * config/rs6000/beos.h: Likewise.
13138 * config/rs6000/rtems.h: Likewise.
13139 * config/rs6000/sysv4.h: Likewise.
13141 2001-01-09 Kazu Hirata <kazu@hxi.com>
13143 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
13144 Change an argument mode of machine_mode to shift_mode of
13145 shift_mode. Remove an extra error check.
13146 (emit_a_shift): Adopt to the new calling prototype of
13148 (function_prologue): Fix code for a monitor
13149 function. Support H8/S.
13150 (function_epilogue): Do not output pop for a monitor function.
13152 2001-01-09 Nick Clifton <nickc@redhat.com>
13154 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
13155 (setup_incoming_varargs): Use sysv_varargs_p field of the
13156 cfun->machine structure.
13157 (struct machine_function): Move to rs6000.h
13158 (rs6000_save_machine_status): Delete.
13159 (rs6000_restore_machine_status): Delete.
13160 (rs6000_init_machine_status): New Function.
13161 (rs6000_free_machine_status): New Function.
13162 (rs6000_init_expanders): Use new functions.
13164 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
13166 (struct machine_function): Move here.
13168 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
13169 sysv_varargs_p field of the cfun->machine structure.
13171 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
13173 (rs6000_restore_machine_status): Remove prototype.
13175 2001-01-09 Richard Henderson <rth@redhat.com>
13177 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
13178 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
13179 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
13180 (sched_analyze_2, sched_analyze_insn): Likewise.
13181 (sched_analyze, init_deps): Likewise.
13182 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
13183 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
13184 (compute_block_backward_dependences): Update propagate_deps call.
13186 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
13188 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
13190 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13192 * cppinit.c (OPT_MD, OPT_MMD): Restore.
13193 (cpp_handle_option): Handle them.
13194 (cpp_post_options): Ensure one of -M or -MM is specified with
13195 any other -M? option.
13196 (init_dependency_output): Suppress output with -MG.
13198 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13200 * cpp.texi: Update.
13201 * invoke.texi: Update.
13203 2001-01-09 Bernd Schmidt <bernds@redhat.com>
13205 * sh.md (reload_outsf): Generate recognizable patterns for
13208 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
13210 * c-lang.c (lang_hooks): Update.
13211 (lang_init): Rename c_init.
13212 (lang_finish): Remove.
13213 * toplev.c (compile_file): Use lang_hooks for lang_init ()
13214 and lang_finish ().
13215 * toplev.h (lang_hooks): Add init () and finish ().
13216 * tree.h (lang_init, lang_finish): Remove.
13217 * cp/tree.h (lang_init, lang_finish): Remove.
13218 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
13219 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
13221 (lang_init, lang_finish): Remove.
13222 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
13223 (lang_hooks): Update.
13224 * java/lang.c (lang_init): Rename java_init.
13225 (lang_finish): Remove.
13226 (lang_hooks): Update.
13227 * objc/objc-act.c (lang_init): Rename objc_init.
13228 (lang_finish): Remove.
13229 (lang_hoooks): Update.
13231 20001-01-09 Graham Stott <grahams@redhat.com>
13233 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
13234 after `ptr` is initialised.
13236 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13238 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
13239 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
13240 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
13241 stack adjusts, instead of r3.
13243 2001-01-09 Michael Hayes <mhayes@redhat.com>
13245 * flow.c (flow_loop_scan): Break out of ...
13246 (flow_loops_find) ... here.
13247 * basic-block.h (flow_loop_scan): New.
13248 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
13249 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
13251 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
13253 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
13255 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
13256 realloc()ing macro_buffer.
13258 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
13259 if it's wider than long and the target's long is wider than the
13262 2001-01-09 Mark Mitchell <mark@codesourcery.com>
13264 Remove support for using UWIN as a host machine.
13265 * configure.in: Issue an error message.
13266 * configure: Regenerated.
13267 * config.gcc: Remove xm_* UWIN configury.
13268 * config/i386/xm-uwin.h: Remove.
13270 2001-01-08 Nick Clifton <nickc@redhat.com>
13272 * config/v850/v850.c (ra_rtx): Delete.
13273 (v850_save_machine_status): Delete.
13274 (v850_restore_machine_status): Delete.
13275 (v850_init_machine_status): New function.
13276 (v850_mark_machine_status): New function.
13277 (v850_free_machine_status): New function.
13278 (v850_return_addr): Use ra_rtx field in machine structure.
13279 (v850_init_expanders): Use new functions.
13281 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
13282 * config/v850/v850.c: Change arguments to v850_output+* functions
13283 to take a const char *, to avoid compile time warning.
13284 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
13285 (USER_LABEL_PREFIX): Redefine.
13287 2000-01-08 Jim Wilson <wilson@redhat.com>
13289 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
13290 1 to unsigned HOST_WIDE_INT before left shift.
13292 2001-01-08 Nick Clifton <nickc@redhat.com>
13294 * config/arm/arm.c (arm_mark_machine_status): Check to see if
13295 the machine structure has been allocated.
13296 (arm_free_machine_status): New function: Free the machine
13297 specific function structure.
13299 2001-01-08 Richard Henderson <rth@redhat.com>
13301 * jump.c (simplejump_p): Revert last change.
13303 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
13305 * cppinit.c (init): Rename init_library.
13306 (cpp_create_reader): Update.
13307 * gcc.c (cpp_options): If -o given, use it as the target of
13310 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13312 * arm.c (arm_arch5e): New variable.
13313 (all_cores): XScale is a 5TE device.
13314 (arm_override_options): Set arm_arch5e.
13315 (arm_init_builtins): __builtin_prefetch is in arch5e.
13316 * arm.h (arm_arch5e): Declare it.
13318 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
13320 * arm.md (define_constants): Add defines for UNSPEC and
13321 UNSPEC_VOLATILE insns. Update all users.
13322 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
13323 * arm.c (multi_register_push, note_invalid_constants)
13324 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
13325 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
13326 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
13328 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
13330 * jump.c (jump_optimize_1): Use reversed_comparison_code
13331 instead of can_reverse_comparison_p.
13332 (jump_back_p): Likewise.
13333 (invert_exp_1): Likewise.
13334 (thread_jumps): Likewise.
13335 * simplify-rtx.c (simplify_unary_operation): Likewise.
13336 (simplify_ternary_operation): Likewise.
13337 * cse.c (find_comparison_args): Convert to use
13338 can_reverse_comparison_p.
13339 (record_jump_equiv): Likewise.
13341 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
13343 * arm.h (HARD_REGNO_RENAME_OK): Delete.
13344 (EPILOGUE_USES): Define.
13345 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
13346 automatically stack the LR if it isn't live.
13348 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
13350 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
13353 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
13355 * ggc-page.c (max_alignment): New structure.
13356 (MAX_ALIGNMENT): New macro.
13357 (init_ggc): Use it to round up the sizes in the
13358 extra_order_size_table.
13360 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13362 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
13365 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13367 * builtins.def (BUILT_IN_FPRINTF): New entry.
13369 * c-common.c (c_expand_builtin_fprintf): New function.
13370 (init_function_format_info): Handle __builtin_fprintf.
13371 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
13372 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
13374 * c-decl.c (duplicate_decls): Adjust comment.
13376 * extend.texi (fprintf): Document new builtin.
13378 2001-01-07 Richard Henderson <rth@redhat.com>
13380 * jump.c (simplejump_p): Recognize any single_set jump
13381 of the proper form.
13383 2001-01-07 Richard Henderson <rth@redhat.com>
13385 * configure.in (slibdir): Accept an --with-slibdir option.
13386 Use "test" not "[" in configure. Default to $(libdir).
13388 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
13390 * config/t-aix43 (SHLIB_INSTALL): Likewise.
13391 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
13392 (SHLIB_LINK): Create links for the soname.
13393 * config/mips/t-iris6: Likewise.
13394 * config/sparc/t-slibgcc: Likewise.
13395 * config/sparc/t-slibgcc-sld: Likewise.
13397 2001-01-07 Jakub Jelinek <jakub@redhat.com>
13399 * config/i386/i386.c (constant_call_address_operand): Accept
13400 (const (plus (symbol_ref) (const_int))).
13401 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
13402 constant_call_address_operand.
13404 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13406 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
13407 and LONG_LONG_TYPE_SIZE > 32.
13409 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13411 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
13412 the previous change.
13414 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
13416 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
13418 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
13419 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
13420 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
13423 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13425 * fix-header.c (read_scan_file): s/pfile/scan_in/.
13427 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13429 * c-lang.c (c_post_options): Call cpp_post_options.
13430 * objc/objc-act.c (objc_post_options): Similarly.
13431 * cppmain.c (main): Similarly.
13432 * fix-header.c (read_scan_file): Similarly.
13433 * cppinit.c (cpp_start_read): Move option consistency checks
13434 to cpp_post_options. Don't call init_dependency_output.
13435 If needed, add default target and main file dependency.
13436 (OPT_MD, OPT_MMD): Remove.
13438 (cpp_handle_option): Update for OPT_* changes.
13439 (cpp_post_options): New.
13440 (init_dependency_output): Command line -MF overrides environment
13441 variables. Don't set default target etc. Suppress output
13442 if dependencies are going to stdout.
13443 (print_help): Update.
13444 * cpplib.h (cpp_post_options): New.
13445 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
13447 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
13449 * jump.c (comparison_dominates_p): Support unordered compares.
13451 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
13453 * simplify-rtx.c (simplify_relational_operation): Always simplify
13454 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
13457 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
13459 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
13460 (nonzero_bits): Likewise.
13461 (simplify_comparison): Likewise.
13462 (num_sign_bit_copies): Likewise; return more sane value depending
13463 on STORE_FLAG_VALUE.
13464 (known_cond): Do not assume EQ to be always true for equivalent
13467 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
13469 * cse.c (fold_rtx): Handle unordered comparisons.
13471 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
13473 * rtlanal.c (set_of_1): New static function.
13474 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
13475 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
13476 reg_set_last_last_regno): Remove.
13477 (set_of): New global function.
13478 (set_of_data): New structure.
13479 (reg_set_p, reg_set_last): Revamp for set_of.
13480 * rtl.h (set_of): New.
13482 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
13484 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
13485 * extend.texi: Document _Exit builtin.
13487 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13489 * (initialize, initialize_builtins,
13490 initialize_dependency_output, initialize_standard_includes):
13491 Rename s/initialize/init. Update.
13492 (init_dependency_output): Move to after
13493 cpp_handle_options, the correct location temporally at least.
13494 (opt_comp): Move next to init (), its caller. Fix prototype.
13495 (init): Make "initialized" local scope.
13496 (cpp_create_reader): Always call init ().
13497 (cpp_start_read): Update.
13498 (output_deps): New function, broken out of cpp_finish.
13499 (cpp_finish): Break out output_deps.
13501 2001-01-07 Richard Henderson <rth@redhat.com>
13503 * collect2.c (COFF specific stuff): Revert 12-06 patch
13504 to prototype system functions.
13506 2001-01-07 Michael Hayes <mhayes@redhat.com>
13508 * hard-reg-set.h: Add multiple include guard.
13509 * basic-block.h (struct loop): Add `sink' field.
13510 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
13511 (emit_iv_add_mult): Delete.
13512 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
13513 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
13514 (unroll_loop): Remove end_insert_before argument.
13515 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
13516 (maybe_eliminate_biv_1): Likewise.
13517 (emit_iv_add_mult): Delete.
13518 (gen_add_mult, loop_regs_update): New.
13519 (loop_insn_emit_after, loop_insn_emit_before): New.
13520 (loop_insn_sink, loop_insn_sink_or_swim): New.
13521 (emit_iv_add_mult): Delete.
13522 (scan_loop): Set loop->sink.
13523 (loop_givs_reduce): Use loop_insn_sink and its ilk.
13524 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
13525 (maybe_eliminate_biv_1): Likewise.
13526 (maybe_eliminate_biv_1): Add basic block argument.
13527 * unroll.c (unroll_loop): Remove end_insert_before argument.
13528 (find_splittable_regs): Likewise.
13529 (find_splittable_regs): Use loop_insn_sink and its ilk.
13530 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
13532 2001-01-07 Michael Hayes <mhayes@redhat.com>
13534 * loop.h (loop_insn_hoist): New prototype.
13535 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
13536 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
13537 (check_dbra_loop, load_mems): Likewise.
13538 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
13539 (find_splittable_givs): Likewise.
13541 2001-01-07 Michael Hayes <mhayes@redhat.com>
13543 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
13545 2001-01-07 Richard Henderson <rth@redhat.com>
13547 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
13549 2001-01-07 Richard Henderson <rth@redhat.com>
13551 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
13552 NO_SHARED_LIBGCC_MULTILIB as required for the target.
13553 * gcc.c (init_spec): Massage the existing libgcc_spec into a
13554 variant that handles a shared libgcc.
13555 (process_command): Always validate -{static,shared}-libgcc.
13556 (do_spec_1): New 'M' case.
13557 * invoke.text (Link Options): Document -{static,shared}-libgcc.
13559 2001-01-07 Richard Henderson <rth@redhat.com>
13561 * Makefile.in (slibdir): New variable.
13562 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
13563 (installdirs): Create slibdir.
13564 (install-libgcc, install-multilib): Defer to libgcc.mk.
13565 * configure.in (slibdir): Substitute.
13566 * mklibgcc.in (install): New target.
13568 * config/t-linux (SHLIB_LINK): Create links for the soname.
13569 (SHLIB_INSTALL): New.
13570 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
13571 * config/mips/t-iris6 (SHLIB_INSTALL): New.
13572 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
13573 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
13574 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
13576 2001-01-07 Richard Henderson <rth@redhat.com>
13578 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
13579 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
13580 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
13582 2001-01-07 Michael Hayes <mhayes@redhat.com>
13584 * loop.c (count_loop_regs_set): Delete.
13585 (load_mems_and_recount_loop_regs_set): Delete.
13586 (loop_regs_scan): Merge common code from count_loop_regs_set,
13587 scan_loop, and load_mems_and_recount_loop_regs_set.
13588 (scan_loop): Call load_mems directly and loop_regs_scan
13589 again if new registers created.
13591 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13593 * toplev.c (main): Call the front-end specific post_options
13594 hook if one is given.
13595 * toplev.h (struct_lang_hooks, lang_hooks): New.
13596 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
13597 for the C front end.
13598 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
13599 lang_hooks for the C++ front end.
13600 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
13601 lang_hooks for the ObjC front end.
13602 * f/com.c (lang_hooks): Hooks for the Fortran front end.
13603 * java/lang.c (lang_hooks): Hooks for the Java front end.
13605 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
13607 * c-lex.c (init_c_lex): Request #define / #undef callbacks
13608 for verbose DWARF[2] debugging.
13609 (cb_define, cb_undef): The new callbacks.
13610 * toplev.h (debug_define, debug_undef): Make const correct.
13611 * toplev.c (debug_define, debug_undef): Similarly. Do not
13612 perform the verbosity tests here anymore.
13614 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
13616 * reload.c (subst_reloads): Take INSN argument. When
13617 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
13618 * reload.h (subst_reloads): Adjust prototype.
13619 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
13620 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
13621 present in JUMP_INSNs and copy them to JUMP_LABEL.
13622 * flow.c (find_label_refs, find_basic_blocks_1): Skip
13623 JUMP_INSNs and insns with REG_LABELs that are followed by
13624 JUMP_INSNs with the same REG_LABEL.
13625 * sched-rgn.c (is_cfg_nonregular): Likewise.
13626 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
13628 * unroll.c (unroll_loop): Look for REG_LABEL notes in
13630 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
13632 2001-01-06 Richard Henderson <rth@redhat.com>
13634 * loop.c (scan_loop): Use xcalloc for the regs array.
13635 (load_mems_and_recount_loop_regs_set): Zero the new memory
13636 received from xrealloc.
13638 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
13640 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13642 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13644 * integrate.c (copy_rtx_and_substitute): When copying
13645 an ignored return value, strip REG_FUNCTION_VALUE_P.
13647 2001-01-06 Michael Hayes <mhayes@redhat.com>
13649 * loop.c (debug_biv, debug_giv): New.
13650 (loop_biv_dump): Break out from ...
13651 (record_biv): ... here.
13652 (loop_giv_dump): Break out from ...
13653 (record_giv): ... here.
13654 (loop_bivs_check): Use print_simple_rtl.
13655 * unroll.c (loop_iterations): Use print_simple_rtl.
13657 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13659 * pa.md (return, return_internal): Modify patterns to prevent regrename
13660 mucking with the return pointer.
13662 2001-01-05 Richard Henderson <rth@redhat.com>
13664 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13666 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13668 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13669 version supplied by Matteo Frigo.
13671 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13673 * cpp.texi: Update for -MQ.
13674 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13675 (cpp_cleanup): Always free pfile->deps.
13676 (initialize_dependency_output): Don't create pfile->deps.
13677 (cpp_handle_option): Similarly.
13679 * gcc.c (cpp_options): Handle -MQ.
13680 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13681 * mkdeps.c (base_name): Remove.
13682 (deps_init): Don't allocate vector space until it's needed.
13683 (deps_free): Only free vectors if allocated.
13684 (deps_add_target, deps_add_dep): Update for initial allocation.
13685 (deps_add_default_target): Don't strip to the base_name.
13687 2001-01-05 DJ Delorie <dj@redhat.com>
13689 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13690 (INIT_EXPANDERS): Define.
13692 * config/v850/v850.c (struct machine_function): Define.
13693 (v850_save_machine_status): New function.
13694 (v850_restore_machine_status): New function.
13695 (v850_return_addr): New function.
13696 (v850_init_expanders): New function.
13698 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13699 and v850_init_expanders.
13701 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13703 * cpplib.h (struct cpp_reader): Add help_only field.
13704 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13705 (cpp_handle_option): Set pfile->help_only if we see -h,
13706 --help, -target-help, or --version. Print version string but
13707 do not set help_only if we see -v or -version. Make text
13708 printed by -v match that printed by (-)-version.
13710 * cppmain.c (main): Exit after option parsing if
13711 pfile->help_only is true.
13713 * toplev.c (independent_decode_option): Call print_version,
13714 then exit, if we see --version (but not -version).
13715 (print_version): Split lengthy message into two lines.
13717 2001-01-05 Nick Clifton <nickc@redhat.com>
13719 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13720 temporary string for initialisation before calling ggc_alloc_string.
13722 2001-01-06 Michael Hayes <mhayes@redhat.com>
13724 * rtl.h (print_simple_rtl): New.
13725 * print-rtl.c (print_simple_rtl): New.
13726 (flag_simple): New.
13727 (print_rtx): Disable printing of flags and modes, etc.,
13728 if `flag_simple` nonzero.
13730 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13732 * function.c (fixup_var_refs): Use push_to_full_sequence where
13735 2001-01-05 Michael Meissner <meissner@redhat.com>
13737 * flags.h (flag_reorder_blocks): Add declaration.
13738 (flag_rename_block): Ditto.
13740 2001-01-05 DJ Delorie <dj@redhat.com>
13742 * function.c (reorder_blocks): Make sure the flags are all reset
13743 before using them to mark blocks, else a second invocation will
13744 corrupt the block chain.
13745 (reorder_blocks_0): New, resets the flags.
13747 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13749 * cse.c (find_comparison_args): Stop if the argument is known to
13752 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13754 * config/sh/sh.md (movdf): When splitting load into pair of
13755 registers, don't clobber the register used in the address too
13758 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13760 * varasm.c (mark_constant_pool): Improve initial comments.
13761 (mark_constants): Move marking of constants to mark_constant.
13762 (mark_constant): New function to recursively mark all constants
13763 referred to by a constant.
13765 2001-01-05 Catherine Moore <clm@redhat.com>
13767 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13769 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13771 * cp/lang-options.h: Bring comment in line with reality.
13772 * f/lang-options.h: Likewise.
13773 * java/lang-options.h: Likewise.
13774 * objc/lang-options.h: Likewise.
13775 * ch/lang-options.h: Likewise.
13776 * f/g77.texi: And update the manual.
13778 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13779 Denis Chertykov <denisc@overta.ru>
13781 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13782 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13783 * config/avr/avr.md (all peepholes that request a scratch register):
13784 Call it, FAIL the peephole if not safe (in interrupt functions).
13786 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13788 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13790 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13792 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13794 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13795 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13796 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13797 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13798 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13800 * extend.texi: Document these builtins.
13802 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13804 * c-common.c (lang_get_alias_set): Say we know nothing of
13805 VECTOR_TYPE aliasing.
13807 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13809 2001-01-05 Bruce Korb <bkorb@gnu.org>
13811 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13812 their x* equivalent versions for atexit-less systems
13813 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13814 systems (or any other system any more).
13816 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13818 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13819 output operands. Use arm_hard_register_operand for operand 4.
13820 (stmsi_postinc): Similarly.
13821 (ldmsi): Use arm_hard_register_operand for opernand 2.
13822 (stmsi): Similarly.
13823 * arm.c (arm_hard_register_operand): New function.
13824 * arm-protos.h (arm_hard_register_operand): Prototype it.
13826 * arm.h (HARD_REGNO_RENAME_OK): Define.
13828 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13830 * simplify-rtx.c (cfc_args): add "unordered" field.
13831 (check_fold_consts): Set unordered field.
13832 (simplify_relational_operation): Simplify the unordered
13835 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13838 * emit-rtl.c (try_split): Fix code to mark labels.
13839 * jump.c (mark_jump_label): Make global.
13840 * rtl.h (mark_jump_label): Declare.
13842 * predict.c (estimate_probability): Handle unordred comparisons.
13844 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13846 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13847 * cppinit.c (initialize_dependency_output): Update.
13848 (cpp_finish): Output dummy targets for -MP.
13850 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13851 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13852 * gcc.c (cpp_options): Update to handle -MP.
13853 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13854 to quote only the default target.
13855 (deps_phony_targets): Insert a preceding newline. Rename from
13856 deps_dummy_targets for consistency.
13859 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13861 * calls.c (emit_library_call_value_1): Support
13862 INIT_CUMULATIVE_LIBCALL_ARGS.
13863 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13865 2001-01-04 Richard Henderson <rth@redhat.com>
13867 * c-decl.c (finish_struct): Detect flexible array members
13868 used in an inappropriate context.
13869 * c-typeck.c (really_start_incremental_init): Special case
13870 constructor_max_index for zero length arrays.
13871 (pop_init_level): Allow initialization of flexible array
13872 members. Deprecate initialization of zero length arrays.
13873 Don't issue missing initializer warning for flexible array
13874 members or zero length arrays.
13875 (process_init_element): Don't dereference null DECL_SIZE.
13876 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13877 Don't abort for empty constructors. Use size_binop
13878 (output_constructor): Add commentary regarding zero length
13879 array futures. Abort if we try to initialize an array of
13880 unspecified length with a non-empty constructor in the middle
13883 * extend.texi (Zero Length): Update and clarify documentation
13884 on static initialization.
13886 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13888 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13889 with more than 32767 words of local storage.
13891 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13893 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13894 for 'abs', 'labs', and 'fabs'.
13895 (c4x_expand_builtin): Likewise.
13896 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13898 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13900 * config/sh/sh.md (prget, prset): New insn types.
13901 (return delay slot): Dont' allow prset.
13902 (call, sfunc delay slot): Don't allow prget.
13903 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13904 for prset and prget.
13906 2001-01-05 Michael Hayes <mhayes@redhat.com>
13908 * loop.h (struct loop_reg): New.
13909 (struct loop_regs): Change to use array of `struct loop_reg'.
13910 * loop.c: Replace assortment of varrays with single regs array.
13911 (count_one_set): Delete may_not_move array argument
13912 and use regs array instead. All caller's changed.
13913 (count_loop_regs_set): Delete may_not_move and single_usage
13914 arguments and use regs array instead. All caller's changed.
13915 (find_single_use_in_loop): Replace usage array argument with pointer
13916 to regs structure. All caller's changed.
13917 (loop_optimize): Delete `moved_once' array.
13919 2001-01-05 Michael Hayes <mhayes@redhat.com>
13921 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13922 Use it instead of loop_info->has_call for scanning loop mems.
13923 (check_dbra_loop): Replace loop_info->has_call test with
13924 loop_info->has_nonconst_call.
13926 2000-01-04 Matthew Hiller <hiller@redhat.com>
13928 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13931 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13933 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13934 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13936 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13938 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13939 (flag_short_double, flag_short_wchar): Define.
13940 (c_common_nodes_and_builtins): Create many tree nodes shared
13941 between C and C++ here instead of in cp/decl.c and ...
13942 * c-decl.c (init_decl_processing): ... here.
13943 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13944 (flag_short_double, flag_short_wchar): Don't define.
13945 (record_builtin_type): New function.
13946 (build_void_list_node): New function.
13947 * c-common.h (flag_short_double, flag_short_wchar,
13948 record_builtin_type, build_void_list_node): Declare.
13950 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13952 * integrate.c (expand_inline_function): Don't put a virtual
13953 register into the reg map.
13955 * function.c (fixup_var_refs_1): If force_operand didn't put
13956 the address into the target, move it there.
13958 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13960 Special-case tree_decl/tree_list allocations.
13961 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13962 (OBJECT_SIZE): New macro.
13963 (NUM_EXTRA_ORDER): Likewise.
13964 (extra_order_size_table): New variable.
13965 (NUM_ORDERS): New macro.
13966 (objects_per_page_table): New variable.
13967 (object_size_table): New variable.
13968 (G.pages): Use NUM_ORDERS to bound the array.
13969 (G.page_tails): Likewise.
13970 (DIV_ROUND_UP): Remove.
13971 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13972 (alloc_page): Use OBJECT_SIZE.
13973 (size_lookup): Don't make it const.
13974 (ggc_alloc): Use OBJECT_SIZE.
13975 (ggc_set_mark): Likewise.
13976 (ggc_get_size): Likewise.
13977 (init_ggc): Set up the object_size_table, objects_per_page_table,
13978 and adjust size_lookup.
13979 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13980 (ggc_pop_context): Use NUM_ORDERS.
13981 (clear_marks): Likewise.
13982 (sweep_pages): Likewise.
13983 (poison_pages): Likewise.
13984 (ggc_print_statistics): Use OBJECT_SIZE.
13986 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13988 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13989 Only call array_size_for_constructor if last field and array type
13990 with no upper bound.
13992 2001-01-04 Philip Blundell <philb@gnu.org>
13994 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13995 from bit 31 downwards, if this requires no more insns.
13996 (count_insns_for_constant): New helper function for above.
13998 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
14000 * gencodes.c (output_predicate_decls): Remove empty initializer.
14002 2001-01-04 Mark Mitchell <mark@codesourcery.com>
14004 * tree.c (copy_node): Remove documentation about obstacks.
14005 (buidl1): Check that nobody tries to build 2-argument nodes this
14008 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14010 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
14013 * gencodes.c (output_predicate_decls): Fill empty initializer
14016 2001-01-04 Jakub Jelinek <jakub@redhat.com>
14018 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
14019 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
14021 (do_include): Handle missing headers like cpp0.
14022 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
14023 paths with first include pathname. Don't strcat to uninitialized
14026 2001-01-04 Bernd Schmidt <bernds@redhat.com>
14028 * regrename.c (regrename_optimize): Don't rename from frame pointer
14029 if frame_pointer_needed.
14030 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
14031 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
14032 (ia64_reorg): Use it instead of scheduling if ! optimize.
14033 (errata_emit_nops): Properly call asm_noperands.
14034 (ia64_sched_reorder): Finish cycle if we see an asm.
14035 (ia64_variable_issue): Clear scheduling state after asms.
14037 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
14039 * cpp.texi: Update for -MT.
14040 * cppinit.c (initialize_dependency_output): Add a default
14041 target if none has been given already.
14042 (no_tgt, OPT_MT): New.
14043 (cpp_handle_option): Handle -MT. Update -M etc.
14044 * cpplib.h (struct cpp_options): Remove deps_target.
14045 * gcc.c (cpp_options): Handle -MT.
14046 * mkdeps.c (struct deps): Move from mkdeps.h.
14047 (deps_calc_target): Rename deps_add_default_target. Add a
14048 default target if none has been specified already.
14049 * mkdeps.h (struct deps): Move to mkdeps.c.
14050 (deps_calc_target): Rename deps_add_default_target.
14052 2000-01-03 Richard Henderson <rth@redhat.com>
14054 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
14056 * c-typeck.c (push_init_level): Move checks for flexible array
14057 members and zero length arrays ...
14058 (pop_init_level): ... here. Silently discard empty initializations.
14060 * varasm.c (output_constructor): Update for sizeof change to
14061 zero-length arrays.
14063 * extend.texi (Zero Length): Clarify semantics.
14065 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14067 * configure.in (tm.h): Include isns-codes.h last.
14068 * configure: Rebuilt.
14070 2001-01-03 Richard Henderson <rth@redhat.com>
14072 * config/alpha/alpha.md (addvsi3, addvdi3): New.
14073 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
14075 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14077 * tradcpp.c (main): Make sure finclude() is called with a valid
14078 indepth value while handling -include.
14080 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14082 * gencodes.c (output_predicate_decls): New function.
14084 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
14085 even if it is not the first time machmode.h is #included.
14086 * config/sh/sh.c (fpul_operand): Declare MODE argument.
14087 * tm.texi (PREDICATE_CODES): Document predicate declarations.
14088 * gcc.texi (Copyright): Added 2001.
14090 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14092 * c-common.c (c_common_lang_init): New function. Warn if format
14093 warning options which only have effects when used with -Wformat
14094 are used without -Wformat.
14095 * c-common.h (c_common_lang_init): Declare.
14096 * c-lang.c (lang_init): Call c_common_lang_init.
14097 * objc/objc-act.c (lang_init): Call c_common_lang_init.
14099 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14101 * configure.in: Check for the mktemp command.
14102 * configure: Regenerate.
14103 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
14104 $TEMP. Create temporary files with mktemp, if available at
14105 configure time; otherwise use set -C. Remove temporary files
14108 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
14110 * configure.in: Require at least texinfo 4.0. Check for whether
14111 Pod::Man is sufficiently recent to regenerate GCC manpages.
14112 * configure: Regenerate.
14113 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
14115 (GENERATED_MANPAGES): Define.
14116 (generated-manpages): New target. Depend on cpp.1 as well as
14118 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
14119 configure to generated-manpages or empty) rather than on the
14120 manpages directly. Remove execute permission from installed
14121 gcov.1 as well as cpp.1.
14122 * cpp.1, gcov.1: Regenerate.
14124 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14126 * builtins.c (expand_builtin_strncmp): Use host_integerp and
14127 tree_low_cst. Allow using cmpstrsi in more cases.
14129 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14131 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
14134 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
14136 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
14137 * Makefile.in (HOST_CFLAGS): Mention build-make.
14139 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14141 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
14144 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14146 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
14149 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
14152 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
14153 reg_base_value and reg_known_value arrays.
14154 (init_alias_analysis): Add more cases to detect known values.
14155 * sched-deps.c (deps_may_trap_p): New function.
14156 (sched_analyze_2): Use it.
14158 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
14160 * combine.c (simplify_shift_const): Even if we're sign-extracting,
14161 don't discard an ASHIFTRT if we're shifting in a wider mode.
14163 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
14165 * toplev.c (rest_of_compilation): Don't print basic block information
14166 when CFG isn't up to date.
14168 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
14170 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
14171 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
14172 (UNALIGNED_SHORT_ASM_OP): Define.
14173 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
14175 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14177 * fold-const.c (fold_convert): Fix typo.
14179 2001-01-02 Richard Henderson <rth@redhat.com>
14181 * c-common.h (ASM_INPUT_P): New.
14182 * c-parse.in (asm): Set it when needed.
14183 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
14184 existance of an operand.
14186 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
14188 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
14189 (dwarf2out_frame_debug_expr): Likewise.
14190 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
14192 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
14194 * i386.c (ix86_split_to_parts): Return number of part required;
14196 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
14198 (ix86_split_long_move): Use number of part returned
14199 by ix86_split_to_parts
14200 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
14202 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
14203 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
14204 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
14205 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
14206 (ALIGN_MODE_128): Add TFmode.
14207 (IS_STACK_MODE): Likewise.
14208 (HARD_REGNO_NREGS): TFmode needs 3 registers.
14209 (HARD_REGNO_OK): Support TFmodes.
14210 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
14211 * i386.md (scheduler definitions): Use memory operand to determine
14212 fst/fld instructions; use mode attribute to determine real mode of
14214 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
14215 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
14217 2001-01-02 Mark Mitchell <mark@codesourcery.com>
14219 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
14221 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14223 * expr.c (store_constructor_field): Update ALIGN before calling
14226 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14228 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
14231 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
14233 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
14236 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
14238 * c-decl.c (start_function): Don't warn on third parameter to main.
14240 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14242 * tsystem.h: Define HAVE_DECL_GETOPT.
14244 2001-01-02 Philip Blundell <pb@futuretv.com>
14246 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
14249 2001-01-02 Richard Henderson <rth@redhat.com>
14251 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
14253 2001-01-02 Andreas Jaeger <aj@suse.de>
14255 * c-decl.c (c_decode_option): Remove support of
14256 -Wmissing-noreturn.
14258 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
14259 (W_options): Add -Wmissing-noreturn here.
14261 * flow.c: Define lang_missing_noreturn_ok_p.
14262 (check_function_return_warnings): Use it.
14264 * c-common.h: Declare lang_missing_noreturn_ok_p.
14266 * c-lang.c (c_missing_noreturn_ok_p): New function.
14267 (lang_init): Set lang_missing_noreturn_ok_p.
14269 * invoke.texi (Warning Options): Document this.
14271 2000-12-27 Phil Edwards <pme@sources.redhat.com>
14273 * extend.texi (C++ Extensions): New node for C++ attributes;
14274 describe init_priority and com_interface.
14275 * invoke.texi: Remove -finit-priority as it now has zero effect.
14276 * install.texi: Fix xref syntax.
14277 * md.texi: Likewise.
14279 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14281 * config.gcc (sparc64-wrs-vxworks*): New case.
14282 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
14284 * config/sparc/sparc.c (sparc_override_options): Do support different
14285 pointer and architecture size.
14286 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
14287 (POINTERS_EXTEND_UNSIGNED): Define.
14288 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
14289 (FUNCTION_MODE): Define to be Pmode.
14290 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
14292 * function.c (expand_function_end): Properly handle DECL_RESULT
14293 and copy when ptr_mode != Pmode.
14294 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
14296 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14298 * c-common.c (c_common_nodes_and_builtins): Set prototype
14299 parameters for __builtin_fputs, __builtin_fputc and
14300 __builtin_fwrite. Don't declare plain fputc as a builtin.
14302 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
14304 * loop.c (add_label_notes): Increment the label usage count when
14305 a note is added to an insn which refers to a CODE_LABEL.
14306 * gcse.c (add_label_notes): Likewise.
14308 2001-01-01 Andreas Jaeger <aj@suse.de>
14310 * loop.c (scan_loop): Use xmalloc to allocate movables.
14312 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
14314 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
14315 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
14316 * reload1.c (REGISTER_MOVE_COST): Likewise.
14317 * regclass.c (REGISTER_MOVE_COST): Likewise.
14318 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
14319 dimension. Adjust all users.
14320 (init_reg_sets_1): Iterate on all modes.
14321 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
14322 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
14323 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
14324 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
14325 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
14326 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
14327 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
14328 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
14329 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
14330 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
14331 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
14332 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
14333 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
14334 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
14335 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
14336 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
14337 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
14338 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
14339 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
14340 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
14341 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
14342 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
14343 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
14344 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
14345 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
14346 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
14347 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
14349 2001-01-01 Bernd Schmidt <bernds@redhat.com>
14351 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
14352 arg VARIES_P. Call it with extra arg.
14353 (true_dependence): Likewise.
14354 * rtl.h (rtx_addr_can_trap_p): Declare.
14355 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
14357 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
14358 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
14359 pic offset table register if it's zero. All callers changed.
14360 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
14362 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14364 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
14365 STRING_POOL_ADDRESS_P.
14367 * config/sparc/sparc.c (input_operand): Properly test for short op.
14369 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
14370 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
14371 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
14372 * config/sparc/elf.h: No longer include sol2.h.
14373 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
14374 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
14376 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
14378 2001-01-01 Michael Hayes <mhayes@redhat.com>
14380 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
14381 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
14382 (record_initial): Likewise.
14383 * unroll.c (copy_loop_body, loop_iterations): Likewise.
14384 (remap_split_bivs): Likewise.
14386 2001-01-01 Michael Hayes <mhayes@redhat.com>
14388 * loop.c (loop_ivs_free): New function.
14389 (strength_reduce): Break out from...
14391 2001-01-01 Michael Hayes <mhayes@redhat.com>
14393 * loop.h (struct iv): New.
14394 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
14395 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
14396 'reg_biv_class' fields with 'regs' and 'n_regs'.
14397 (struct ivs): Rename 'loop_iv_list' field to 'list'.
14398 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
14399 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
14401 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
14403 * resource.c (mark_referenced_resources): Abort() before
14404 attempting to mark a pseudo register.
14405 (mark_set_resources): Likewise.
14407 2001-01-01 Michael Hayes <mhayes@redhat.com>
14409 * loop.h (REG_IV_CLASS): New accessor macro.
14410 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
14411 * unroll.c (REG_IV_CLASS): Likewise.
14413 See ChangeLog.4 for earlier changes.