| blob | 583eec1e76934c6c97b4140243565d8174b9a03c |
1 2001-05-17 Mark Mitchell <mark@codesourcery.com>
3 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
4 DIE, even if it has no children.
5 (dwarf2out_finish): Always output the line-number table, even if
6 it has no content.
8 2000-05-18 David Edelsohn <edelsohn@gnu.org>
10 * rs6000.md (movsfcc,movdfcc): Remove NE case.
12 2000-05-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
15 offsets if not REG_OK_STRICT.
17 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
18 (INT_REG_OK_FOR_INDEX_P): Likewise.
19 (INT_REG_OK_FOR_BASE_P): Likewise.
20 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
21 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
22 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
23 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
24 REG_OK_FOR_BASE_P. Take an additional parameter.
25 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
26 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
27 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
28 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
29 rs6000_legitimate_address() and use it.
30 * config/rs6000/rs6000.c: Update all callers.
31 (rs6000_legitimate_address): New function.
33 2001-05-17 Mark Kettenis <kettenis@wins.uva.nl>
35 * dwarf2out.c (modified_type_die): Equate qualified type to die.
37 2001-05-17 Mark Mitchell <mark@codesourcery.com>
39 * doc/install.texi: Update Solaris information.
41 * except.h (protect_cleanup_actions): Remove it.
42 (lang_protect_cleanup_actions): Declare it.
43 * except.c (protect_cleanup_actions): Remove it.
44 (lang_protect_cleanup_actions): New variable.
45 (init_eh): Don't make protect_cleanup_actions a GC root.
46 (expand_eh_region_and_cleanup): Call
47 lang_protect_cleanup_actions.
48 (output_function_exception_table): Remove unused `align'
49 variable.
50 * varasm.c (assemble_external): Abort if we have not yet
51 opened the assembly output file.
53 Thu May 17 11:53:49 2001 Jeffrey A Law (law@cygnus.com)
55 * pa.c (hppa_init_pic_save): No longer update last_parm_insn.
57 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
58 for eh_personality_libfunc.
60 2001-05-17 Bernd Schmidt <bernds@redhat.com>
62 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
63 (reload_as_needed): Call update_eliminable_offsets a bit later.
65 * expr.c (protect_from_queue): Protect against subsequent calls to
66 emit_queue.
67 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
68 too clever.
70 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
72 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
73 COMPLEX_TYPE.
75 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
77 * gccbug.in (CATEGORIES): Add "bootstrap".
79 2001-05-17 Bernd Schmidt <bernds@redhat.com>
81 * stmt.c (expand_asm_operands): For inout operands, make sure
82 the substitution of '=' for '+' makes it into the rtl.
84 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
86 * gcc.texi (gccbug): Refer to the web pages for detailed information
87 on GNATS.
89 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
90 Bruce Korb <bkorb@gnu.org>
92 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
93 initializer
95 2001-05-16 Zack Weinberg <zackw@stanford.edu>
97 * assert.h: Removed.
98 * libgcc-std.ver, sys-protos.h: Remove __eprintf.
99 * libgcc2.c: Document that __eprintf exists for backward
100 compatibility only.
101 * configure.in: Correct commentary now assert.h does not exist.
102 * configure: Regenerate.
104 * Makefile.in: Delete INSTALL_ASSERT_H, assertdir, and all
105 references to either. Delete install-assert-h target. Do not
106 create $(assertdir) or $(gcc_tooldir) in mkinstalldirs target.
107 Move _eprintf from LIB2FUNCS to LIB2FUNCS_ST; pass
108 LIB2FUNCS_ST to mklibgcc.
109 * cross-make: Don't set assertdir.
110 * mklibgcc.in: Add support for LIB2FUNCS_ST.
112 * config/t-freebsd, config/t-linux, config/t-linux-aout,
113 config/t-netbsd, config/t-openbsd, config/t-rtems, config/x-linux,
114 config/alpha/t-interix, config/i386/t-beos, config/i386/t-interix,
115 config/mcore/t-mcore, config/mcore/t-mcore-pe:
116 No need to set INSTALL_ASSERT_H.
118 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
119 fixinc/fixinc.svr4, fixinc/fixinc.winnnt, fixinc/fixinc.wrap,
120 fixinc/fixincl.sh: Don't install assert.h.
122 2001-05-16 Zack Weinberg <zackw@stanford.edu>
124 * i386.md: Add two peepholes to clean up code generated by
125 cmpstr* expanders.
127 2001-05-16 Richard Henderson <rth@redhat.com>
129 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
130 variants of non-absolute encodings.
132 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
134 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
135 __register_frame_info_table_bases): Export.
137 Wed May 16 13:38:21 2001 Jeffrey A Law (law@cygnus.com)
139 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
140 GPRs.
142 2001-05-16 Richard Henderson <rth@redhat.com>
144 * except.c (eh_data_format_name): Move to ...
145 * dwarf2asm.c: ... here. Use designated initializers if available.
146 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
147 * dwarf2asm.h: Update declarations.
148 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
149 ASM_PREFERRED_EH_DATA_FORMAT.
150 (output_call_frame_info): Likewise. Use 'L' augmentation for
151 the LSDA encoding.
153 * unwind-dw2-fde.h (struct fde_vector): New.
154 (struct old_object): Rename from struct object.
155 (struct object): New.
156 (__register_frame_info_bases): Declare.
157 (__register_frame_info_table_bases): Declare.
158 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
159 * unwind-dw2-fde.c (objects): Remove.
160 (unseen_objects, seen_objects): New.
161 (__register_frame_info_bases): New.
162 (__register_frame_info): Use it.
163 (__register_frame_info_table_bases): New.
164 (__register_frame_info_table): Use it.
165 (__deregister_frame_info): Rewrite for changed object struct.
166 (base_from_object, get_cie_encoding, get_fde_encoding): New.
167 (fde_unencoded_compare): Rename from fde_compare; uninline.
168 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
169 (start_fde_sort): Adjust for new definition of fde_vector.
170 (fde_insert): Likewise.
171 (end_fde_sort): Likewise. Select comparison function based
172 on properties of the object.
173 (fde_split): Take object and fde_compare_t arguments.
174 (frame_heapsort, fde_merge): Likewise.
175 (classify_object_over_fdes): Rename from count_fdes. Handle
176 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
177 for the object.
178 (add_fdes): Handle encoded pointers.
179 (init_object): Rename from frame_init. Update for new struct object.
180 (linear_search_fdes): Rename from search_fdes. Handle encoded
181 pointers.
182 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
183 (binary_search_single_encoding_fdes): New.
184 (binary_search_mixed_encoding_fdes): New.
185 (search_object): New.
186 (_Unwind_Find_FDE): Update for new struct object. Fill in
187 the dwarf_eh_bases.
188 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
189 iterating over EH data.
190 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
191 fde_encoding, lsda_encoding.
192 (read_uleb128, read_sleb128): Remove.
193 (read_encoded_pointer): Remove. All callers use read_encoded_value.
194 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
195 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
196 pointers.
197 * unwind-pe.h: Add "struct" to _Unwind_Context references.
199 2001-05-16 Andreas Jaeger <aj@suse.de>
201 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
203 * toplev.c: Include dwarf2asm.h for prototype of
204 dw2_output_indirect_constants.
206 2001-05-16 Richard Henderson <rth@redhat.com>
208 2001-03-08 Richard Henderson <rth@redhat.com>
209 * configure.in (HAVE_AS_LEB128): New assembler check.
210 * configure, config.in: Rebuilt.
212 2001-05-16 David Edelsohn <edelsohn@gnu.org>
214 * doc/install.texi: Update AIX information.
215 * README.RS6000: Remove obsolete file.
217 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
219 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
221 2001-05-16 Jakub Jelinek <jakub@redhat.com>
222 Nathan Sidwell <nathan@codesourcery.com>
224 * gcc.c (give_switch): Don't write before start of string.
225 Always append suffix.
227 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
229 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
230 after stage3.
232 2001-05-16 Dean Wakerley <dean@wakerley.com>
234 * doc/install.texi: New file. Converted to texinfo from the HTML
235 documentation in wwwdocs/htdocs/install.
237 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
239 * README.ALTOS: Remove obsolete file.
241 Tue May 15 22:12:41 2001 Jeffrey A Law (law@cygnus.com)
243 * flow.c (life_analysis): After life analysis is complete, do
244 an optional scan over insns looking for REG_LABEL notes that
245 reference a deleted label.
246 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
247 before peeking at LABEL_NUSES.
249 2001-05-15 Richard Henderson <rth@redhat.com>
251 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
252 (_Unwind_GetTextRelBase): New.
254 2001-05-15 Mark Mitchell <mark@codesourcery.com>
256 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
258 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
260 * gthr-posix.h: Make additional pthread-* functions weak.
262 2001-05-14 Richard Henderson <rth@redhat.com>
264 * configure.in (gcc_cv_as_eh_frame): New test.
265 * config.in, configure: Rebuild.
266 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
268 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
270 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
271 for RETURNS as well.
272 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
273 extended precision divide.
275 2001-05-14 Andrew Haley <aph@redhat.com>
277 * reload1.c (copy_eh_notes): New function.
278 (emit_input_reload_insns): Call it.
279 (emit_output_reload_insns): Call it.
281 * emit-rtl.c (try_split): Copy EH notes to sequence.
283 2001-05-14 Richard Henderson <rth@redhat.com>
285 2001-04-12 Richard Henderson <rth@redhat.com>
286 * Makefile.in (regmove.o): Depend on except.h.
287 * regmove.c: Include it.
289 Mon May 14 08:57:23 2001 Jeffrey A Law (law@cygnus.com)
291 * config/pa/som.h (NM_FLAGS): Remove.
292 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
293 (ASM_OUTPUT_SECTION_NAME): Remove.
294 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
296 2001-05-14 Mark Mitchell <mark@codesourcery.com>
298 * regrename.c (regrename_optimize): Do not rename registers to
299 leaf registers.
301 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
303 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
304 contain MEMs. Remove useless distinction about clobbering
305 registers.
307 2001-05-13 Richard Henderson <rth@redhat.com>
309 2001-03-28 Richard Henderson <rth@redhat.com>
310 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
311 not TARGET_TOC for special toc restore handling.
312 * config/rs6000/rs6000.md (eh_return): Likewise.
314 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
316 * tm.texi (THREAD_MODEL_SPEC): Document it.
317 * gcc.c (main): Use it.
318 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
319 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
321 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
323 * rtl.h (SYMBOL_REF_WEAK): New macro.
324 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
325 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
326 * rtl.texi (SYMBOL_REF_WEAK): Document it.
327 * gcc.texi: Remove wrong description.
329 2001-05-13 Mark Mitchell <mark@codesourcery.com>
331 * stringpool.c (xxx, yyy): Remove.
332 (get_identifier): Don't set them.
334 * Makefile.in (STAMP): New macro.
335 Replace all uses of `touch' with $(STAMP).
336 * fixinc/Makefile.in: Likewise.
338 2001-05-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
340 * i386.c (ix86_save_reg): Change `bool' parameter to `int'.
342 2001-05-12 Richard Henderson <rth@redhat.com>
344 EH merge from mainline, continued.
346 2001-05-12 Richard Henderson <rth@redhat.com>
347 * dwarf2asm.c (size_of_encoded_value): New function.
348 * dwarf2asm.h: Declare it.
349 * except.c (output_function_exception_table): Align the TType
350 array only as wide as the encoding.
352 2001-05-11 Richard Henderson <rth@redhat.com>
353 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
354 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
355 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
356 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
357 (dw2_output_indirect_constants): Prototype.
358 * dwarf2out.c (dwarf2out_begin_prologue): Generate
359 current_function_func_begin_label if we'll need it for EH. Exit
360 early for IA64_UNWIND_INFO.
361 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
362 (eh_data_format_name): Update for indirect references.
363 (output_function_exception_table): Care for IA64_UNWIND_INFO.
364 Handle ASM_PREFERRED_EH_DATA_FORMAT.
365 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
366 define HAVE_eh_return etc.
367 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
368 (final_end_function): Don't call output_function_exception_table.
369 * toplev.c (compile_file): Call dw2_output_indirect_constants.
370 (rest_of_compilation): Invoke output_function_exception_table
371 for ia64 before assemble_end_function.
372 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
373 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
375 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
376 * unwind.h: Declare them.
377 * libgcc-std.ver: Export them.
378 * unwind-pe.h: New file.
380 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
382 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
383 instead of "fde".
384 (find_fde_for_dso): Extract DT_PLTGOT.
385 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
386 the segment and gp as well.
387 * config/ia64/frame-ia64.c: Remove file.
388 * config/ia64/frame-ia64.h: Remove file.
389 * config/ia64/unwind-ia64.c: New file.
390 * config/ia64/unwind-ia64.h: New file.
391 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
392 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
393 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
394 (ASM_PREFERRED_EH_DATA_FORMAT): New.
395 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
396 (IA64_UNWIND_INFO): Re-enable.
397 (HANDLER_SECTION): Remove.
398 (EH_RETURN_DATA_REGNO): New.
399 * config/ia64/ia64.md (exception_receiver): Remove.
400 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
401 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
403 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
404 * except.c (sjlj_mark_call_sites): Do not search for assignments to
405 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
407 2001-05-05 Richard Henderson <rth@redhat.com>
408 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
409 to the parent of the fixup region.
411 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
412 * except.c (expand_eh_region_start): Don't start a new block.
413 (expand_eh_region_end): Don't end a block.
414 * stmt.c (expand_end_bindings): Don't end EH blocks.
415 (expand_decl_cleanup): Starting an EH region won't change the block.
416 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
417 (is_eh_region): Lose.
418 * tree.h: Adjust.
420 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
421 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
423 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
424 * except.c (get_exception_filter): word_mode, not Pmode.
426 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
427 * except.c (expand_eh_region_end_cleanup): Force pending stack
428 adjust before emitting label that branches around cleanup code.
430 2001-04-25 Richard Henderson <rth@redhat.com>
431 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
432 of registers to restore along non eh_return path.
434 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
435 * except.c (reachable_handlers): Step out one level from a RESX.
437 * except.c (struct eh_region): Rename 'last' to 'resume'.
438 (mark_eh_region, duplicate_eh_region_1): Adjust.
439 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
440 (build_post_landing_pads): Likewise.
441 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
442 (expand_eh_region_end_must_not_throw): Likewise.
443 (connect_post_landing_pads): Thread (only) regions with non-deleted
444 resume insns.
446 * except.c (expand_eh_region_end_cleanup): Save the EH return data
447 registers around the cleanup.
448 (get_exception_filter): New fn.
449 (finish_eh_generation): Use it.
451 2001-04-03 Richard Henderson <rth@redhat.com>
452 * rtl.h (LCT_THROW): New.
453 * calls.c (emit_library_call_value_1): Handle it.
454 * except.c (connect_post_landing_pads): Use it.
456 2001-03-28 Richard Henderson <rth@redhat.com>
457 * except.c: Rewrite entirely for IA-64 ABI exception handling.
458 * except.h: Likewise.
460 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
461 (LIB2ADDEHDEP): New.
462 (LIB2FUNCS_EH): Remove.
463 (LIB2ADD): Remove LIB2ADDEH.
464 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
465 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
466 (crt{begin,end}[S].o): Likewise.
467 (except.o): Update includes.
468 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
469 (libgcc2_c_dep): Use LIB2ADDEHDEP.
471 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
472 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
473 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
474 * builtins.c (expand_builtin): Implement it.
475 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
476 * c-common.c (c_common_nodes_and_builtins): Declare it.
477 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
478 * calls.c (libfunc_nothrow): Remove.
479 (emit_library_call_value_1): Don't call it.
480 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
481 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
482 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
483 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
484 (current_funcdef_number): Globalize.
485 (output_call_frame_info): Emit frame data if an lsda is needed.
486 Generate augmentation for personality routine. Don't play with
487 difference symbols.
488 (dwarf2out_begin_prologue): Record funcdef_number.
489 * dwarf2out.h (current_funcdef_number): Declare.
490 * expr.c (expand_expr): Update for except.h name changes.
491 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
492 * expr.h (LTI_throw, LTI_rethrow): Remove.
493 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
494 (LTI_eh_rtime_match): Remove.
495 (LTI_unwind_resume, LTI_eh_personality): Add.
496 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
497 * final.c (final): Don't call check_exception_handler_labels,
498 init_insn_eh_region, or free_insn_eh_region.
499 (final_scan_insn): Always emit debug labels for
500 NOTE_INSN_EH_REGION notes.
501 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
502 (record_active_eh_regions): Remove.
503 (count_basic_blocks): Check all instructions for REG_EH_REGION.
504 Use can_throw_internal.
505 (find_basic_blocks_1): Likewise.
506 (move_stray_eh_region_notes): Remove.
507 (find_label_refs): No eh_return_stub_label.
508 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
509 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
510 changes.
511 (delete_unreachable_blocks): Don't track deleted handlers.
512 (flow_delete_block): Use maybe_remove_eh_handler.
513 (delete_eh_regions): Remove.
514 (merge_blocks): Don't check for eh region match.
515 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
516 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
517 (init_propagate_block_info): Disable dead frame store optimization
518 when current_function_calls_eh_return.
519 (dump_bb): Don't print eh_beg, eh_end.
520 * function.c (fixup_var_refs): No catch_clauses.
521 (expand_function_end): Likewise. Call expand_eh_return before
522 the return register use. Call sjlj_emit_function_exit_after.
523 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
524 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
525 * ifcvt.c (dead_or_predicable): Remove eh region check.
526 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
527 Don't check for EH vs parameters.
528 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
529 (expand_inline_function): Call duplicate_eh_regions.
530 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
531 (copy_insn_notes): Remap REG_EH_REGION notes.
532 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
533 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
534 check_exception_handler_labels, nor exception_optimize.
535 (find_cross_jump): No EH region check.
536 * optabs.c (init_optabs): Update for changed eh libfuncs.
537 * rtl.def (RESX): New.
538 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
539 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
540 checks. Update for except.h name changes.
541 (expand_cleanups): Likewise.
542 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
543 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
544 (compile_file): Call init_eh before init_optabs. Don't
545 output_exception_table here.
546 (rest_of_compilation): Call convert_from_eh_region_ranges,
547 convert_to_eh_region_ranges, output_function_exception_table.
548 Don't emit_eh_context.
549 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
550 (EXC_PTR_EXPR): New.
552 * md.texi (eh_epilogue): Remove.
553 (eh_return): Document.
554 * tm.texi (EH_RETURN_DATA_REGNO): Document.
555 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
557 * eh-common.h: Remove file.
558 * frame-dwarf2.c, frame.c, frame.h: Remove files.
559 * libgcc2.c (L_eh): Remove.
561 * unwind-dw2-fde.c: New file, largely copied from frame.c.
562 * unwind-dw2-fde.h: New file.
563 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
564 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
565 * libgcc-std.ver: Update for eh symbols.
567 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
568 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
569 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
570 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
571 (EH_RETURN_DATA_REGNO): New.
572 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
573 * config/alpha/alpha.md (eh_epilogue): Remove.
574 (exception_receiver): Use $26 for ldgp input.
575 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
577 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
578 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
579 True for pic register if current_function_calls_eh_return.
580 (ix86_expand_epilogue): Change "emit_return" argument into "style".
581 Handle eh_return requirements.
582 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
583 (EH_RETURN_STACKADJ_RTX): New.
584 * config/i386/i386.md (exception_receiver): Remove.
585 (eh_return, eh_return_1): New.
586 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
588 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
589 for eh_return data registers.
590 (rs6000_emit_prologue): Save eh_return data registers.
591 (rs6000_emit_epilogue): Force inline restores if eh_return.
592 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
593 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
594 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
595 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
596 the target uses one.
597 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
598 (return_eh_si, return_eh_di): Remove.
599 (eh_return): New, from corpse of eh_epilogue.
600 (eh_set_lr_si, eh_set_lr_di): New.
602 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
603 current_function_calls_eh_return.
604 (output_function_epilogue): Handle eh_return.
605 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
606 (EH_RETURN_DATA_REGNO): New.
607 (EH_RETURN_STACKADJ_RTX): New.
608 (EH_RETURN_HANDLER_RTX): New.
609 * config/sparc/sparc.md (call/short branch peepholes): Check
610 can_throw_internal instead of in_same_eh_region.
612 2001-03-17 Richard Henderson <rth@redhat.com>
613 * dwarf2out.c (queue_reg_save): New.
614 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
615 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
616 dwarf2out_reg_save.
617 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
618 (cfa, cfa_store, cfa_temp): Make static.
619 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
621 2001-03-16 Richard Henderson <rth@redhat.com>
622 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
623 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
624 (dw2_asm_output_delta_uleb128): Likewise.
625 (dw2_asm_output_delta_sleb128): Similarly.
626 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
628 2001-03-15 Richard Henderson <rth@redhat.com>
629 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
630 if provided by the target.
631 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
632 (dw2_asm_output_addr): New.
633 * dwarf2asm.h (dw2_asm_output_addr): Declare.
634 * dwarf2out.c (output_cfi): Use it for program addresses.
635 (output_call_frame_info, output_die): Likewise.
636 (output_aranges, output_line_info): Likewise.
638 2001-03-06 Krister Walfridsson <cato@df.lth.se>
639 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
641 2001-03-02 Richard Henderson <rth@redhat.com>
642 * Makefile.in (OBJS): Add dwarf2asm.o.
643 * dwarf2asm.c, dwarf2asm.h: New files.
644 * dwarf2out.c (*): Use them.
645 (size_of_uleb128, size_of_sleb128): Remove.
646 (output_uleb128, output_sleb128): Remove.
647 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
648 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
649 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
650 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
651 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
652 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
653 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
654 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
655 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
656 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
657 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
658 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
659 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
660 (dwarf2out_frame_debug): Remove unused variables.
661 (output_loc_operands): Don't abort on 8 byte constants if
662 host integers are wide enough.
663 (output_symbolic_ref): Remove.
664 (size_of_die): Don't assume 4 byte host integers.
665 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
666 and end labels.
667 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
668 something stupid with HOST_WIDE_INT to long truncation.
669 [CONST_DOUBLE]: Likewise.
671 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
672 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
673 * config/arm/unknown-elf.h: Likewise.
674 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
675 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
676 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
677 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
678 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
679 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
680 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
681 (ASM_OUTPUT_DWARF_OFFSET): Remove.
682 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
683 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
684 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
685 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
687 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
688 * i386.c (ix86_frame): New structure.
689 (ix86_compute_frame_size): Kill.
690 (ix86_compute_frame_layout): New.
691 (ix86_save_reg): New.
692 (ix86_can_use_return_insn_p): Use frame layout stuff.
693 (ix86_expand_prologue): Likewise.
694 (ix86_expand_epilogue): Likewise.
695 (ix86_initial_elimination_offset): Likewise.
696 (ix86_nsaved_regs): Use ix86_save_reg.
697 (ix86_emit_save_regs): Likewise.
699 2001-05-12 Richard Henderson <rth@redhat.com>
701 EH merge from mainline, parts 5 - 16.
702 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
703 reduce false positives.
704 (regmove_optimize): Disable if flag_non_call_exceptions.
706 * stmt.c (expand_return): Remove always true predicate.
707 (expand_decl_cleanup_no_eh): Remove dead code.
709 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
710 barrier code. Add a scheduling barrier if a non-call insn
711 can throw internally.
713 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
714 Auto-inc addresses trap only if their base register does.
716 * except.c (can_throw_internal): Rename from can_throw.
717 * except.h, resource.c: Update references.
719 * integrate.c (copy_insn_list): Use returnjump_p.
720 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
722 * integrate.h (struct inline_remap): Add local_return_label.
723 * integrate.c (expand_inline_function): Initialize it and emit
724 it after copy_insn_notes.
725 (copy_insn_list): Don't store local_return_label here.
726 (copy_insn_notes): New function split out from copy_insn_list.
728 * function.h (struct function): Move all boolean valued fields
729 to single bit fields at the end of the struct.
731 * flow.c (cleanup_cfg): Take no argument.
732 * output.h, sibcall.c, toplev.c: Update all calls.
734 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
735 (calculate_global_regs_live): Kill call-clobbered registers
736 across exception edges.
737 * reg-stack.c (convert_regs_1): Kill the entire target stack
738 across non-call exception edges.
740 * flags.h (flag_new_exceptions): Remove.
741 * toplev.c: Don't set it.
742 * final.c: Don't check it.
743 * except.c: Provide stub definition.
745 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
746 exceptions, put the note on the trapping instruction.
748 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
749 value to target configuration header.
750 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
751 * config.in, configure: Rebuild.
752 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
753 configuration and target defines.
754 (exceptions_via_longjmp): Remove.
755 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
756 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
758 2001-05-12 Richard Henderson <rth@redhat.com>
760 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
761 * mkconfig.sh (DEFINES): Handle entries with '='.
763 2001-03-22 Zack Weinberg <zackw@stanford.edu>
764 * mkconfig.sh: Use a subshell with redirected stdout,
765 instead of closing stdout and confusing commands that run
766 afterward. Throw away output of cmp.
768 2001-03-22 Richard Henderson <rth@redhat.com>
769 * mkconfig.sh: Include insn-flags.h.
770 * Makefile.in (CONFIG_H): Include insn-flags.h.
771 (lots of objects): Remove insn-codes.h and insn-flags.h.
773 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
774 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
775 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
776 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
777 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
778 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
779 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
780 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
781 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
782 v850/v850.c, vax/vax.c:
783 Don't include insn-flags.h.
785 * diagnostic.c, expr.h, reload.c, toplev.c:
786 Don't include insn-codes.h.
788 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
789 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
790 c4x/c4x.c, i960/i960.c, mips/mips.c:
791 Don't include insn-codes.h or insn-flags.h.
793 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
794 or insn-flags.h in the generated code.
795 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
796 (main): Forward declare struct rtx_def.
798 2001-03-09 Zack Weinberg <zackw@stanford.edu>:
799 * configure.in: Prune nonexistent files from build_xm_file,
800 xm_file, and host_xm_file lists. Warn unless they're
801 $cpu/xm-$cpu.h.
802 Don't generate *config.h here.
803 AC_SUBST all variables needed to generate *config.h.
804 * mkconfig.sh: New helper script, from code removed from
805 configure.in.
806 * Makefile.in: Substitute in variables needed to generate *config.h.
807 Stop lying about the dependencies contained in CONFIG_H and
808 GCONFIG_H.
809 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
810 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
811 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
812 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
813 $(TM_P_H), etc. as appropriate.
815 2001-05-12 Richard Henderson <rth@redhat.com>
817 EH merge from mainline, parts 1 - 4.
818 * gthr-single.h (UNUSED): New. Distinguish between how C
819 and C++ mark unused function arguments. Use throughout.
821 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
822 jump.c, toplev.c:
823 Rename asynchronous_exceptions to flag_non_call_exceptions.
824 * except.h (flag_non_call_exceptions): Move ...
825 * flags.h: ... here.
827 * rtl.h (LCT_NORETURN): New.
828 * calls.c (emit_library_call_value_1): Handle it.
830 * function.c (expand_function_start): Set DECL_REGISTER on
831 a pseudo used for DECL_RESULT.
833 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
835 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
836 about files not ending in newlines.
838 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
840 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
841 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
843 2001-05-11 Richard Henderson <rth@redhat.com>
845 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
846 calls and jumps to be bundled together.
847 (ia64_reorg): Emit a break after a noreturn call that ends
848 a function.
849 * config/ia64/ia64.md (break_f): New.
851 2001-05-11 Jakub Jelinek <jakub@redhat.com>
853 * regmove.c (regmove_optimize): Suppress the optimization for
854 unchanging destination register. Add comment above function.
856 2001-05-11 Mark Mitchell <mark@codesourcery.com>
858 * loop.h (struct movables): Remove `num'.
859 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
860 Adjust call to strength_reduce.
861 (num_unmoved_movables): New function.
862 (move_movables): Don't set movables->num.
863 (strength_reduce): Compute the number of instructions in the loop
864 here, rather than in the caller.
865 (check_dbra_loop): Always clear reversible_mem_store if there
866 are any memory sets.
867 (loop_regs_scan): Don't count instructions here.
868 (count_insn_in_loop): New function.
870 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
872 2001-05-10 David Edelsohn <edelsohn@gnu.org>
874 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
875 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
877 Thu May 10 18:23:11 2001 Jeffrey A Law (law@cygnus.com)
879 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
880 a computed jump into an unconditional jump.
881 In second hunk of code for collapsing computed and conditional jumps
882 into unconditional jumps, reemit the jump in additional cases.
884 2001-05-10 David Edelsohn <edelsohn@gnu.org>
886 * expr.c (emit_group_load): extract_bit_field requires a REG or
887 MEM as an argument.
889 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
891 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
892 contents for a SYMBOL_REF in case of floating point constants.
894 2001-05-09 Zack Weinberg <zackw@stanford.edu>
896 * cppinit.c (cpp_post_options): Shut off macro expansion if
897 -fpreprocessed.
898 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
899 IN_I directives only if the # is in column 1 and the directive
900 name begins in column 2.
901 * cppmain.c (scan_buffer): Insert a space between # and an
902 identifier, when that identifier is a directive name.
904 * tradcpp.c (struct file_buf): Add a pointer to the next entry
905 in the header search path.
906 (enum node_type): Add T_INCLUDE_NEXT.
907 (directive_table): Add entry for include_next.
908 (do_include_next): New function.
909 (process_include): New routine, broken out of do_include.
910 (finclude): Insert 'nhd' argument, to be copied into
911 next_header_dir of the new buffer.
912 (main): Adjust to match.
913 * gsyslimits.h, limity.h: Un-indent #include_next.
915 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
917 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
918 inclusion as a chapter of the GCC manual.
919 * gcc.texi: Include objc.texi.
920 * fdl.texi: Use @unnumberedsec for the addendum.
921 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
923 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
925 * pa.md (interspace_jump): Revise comment.
926 (builtin_longjmp): Block initial setup insns from delay slot of
927 interspace branch.
928 (builtin_setjmp_receiver): New expander to save and restore PIC
929 register.
931 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
933 2001-05-07 Mark Mitchell <mark@codesourcery.com>
935 * gcc.texi: Remove references to CHILL.
936 * invoke.texi: Likewise.
937 * install.texi: Likewise.
939 2001-05-06 Zack Weinberg <zackw@stanford.edu>
941 * Makefile.in (tradcpp0): Correct typo in dependency list.
943 2001-05-06 Andreas Jaeger <aj@suse.de>
945 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
946 (i386 Options): Document -momit-leaf-frame-pointer.
948 Sun May 6 10:54:20 2001 Jim Wilson <wilson@redhat.com>
950 * dwarf2out.c (output_line_info): Fix typo.
952 2001-05-05 Richard Henderson <rth@redhat.com>
954 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
956 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
958 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
959 between X and Y by using sequences of xgdx and xgdy.
961 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
963 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
964 of '!' for the 'D' alternative ('!' is too strong).
965 ("*logicalsi3_silshl16"): Likewise.
966 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
967 ("movstrictsi"): Remove spurious '+'.
968 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
969 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
970 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
971 a reload to them.
973 2001-05-04 David Edelsohn <edelsohn@gnu.org>
975 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
977 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
979 * config/rs6000/rs6000.md (ashldi3 splits): Guard with TARGET_POWERPC64.
981 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
983 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
984 soft register, use ror instead of rol.
986 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
988 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
989 into account pre/post increment decrement for 68HC12.
990 Fix other problems in replacement and fix call to reg_mentioned_p.
992 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
994 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
995 Put the soft registers in bss for 68HC12.
996 (L_regs_d3_4): New for _.d3 and _.d4.
997 (L_regs_d5_6): Likewise.
998 (L_regs_d1_2): Likewise.
999 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1001 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1003 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1004 to the pre-processor when -fshort-double is specified.
1005 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1007 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1009 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1010 (__mulsi3): Rewrite for 68HC12.
1011 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1012 Mark 'x' constraint with earlyclobber to prevent a
1013 RELOAD_FOR_OTHER_ADDRESS to go in it.
1014 (mulhi3_m68hc12): New pattern.
1015 (mulhi3_m68hc11): Rename of mulhi3.
1016 (mulhi3): New expand for 68HC12 optimisation.
1017 (umulhisi3, mulhisi3): New patterns for 68HC12.
1019 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1021 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1022 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1023 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1025 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1027 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1028 constants cheap after reload.
1029 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1030 are cheap.
1031 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1032 so that gcc prefers a shift by 16.
1033 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1035 2001-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1037 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1038 (CPP_SPEC): Conditionally define MSDOS and GO32.
1039 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1040 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1041 ignored.
1042 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1044 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * hash.c (hash_lookup): Likewise.
1048 * hash.h (hash_lookup): Likewise.
1050 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1052 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1054 * config/t-freebsd: Don't install "assert.h" in gcc. Compile
1055 crtbeginS.o and crtendS.o with PIC.
1057 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1059 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1060 instruction.
1061 ("bitcmpqi2"): New pattern for bit-extract and test.
1062 ("bitcmphi"): New pattern for bitb/bita instructions.
1064 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1066 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1067 instead of _.d1.
1068 (INITIALIZE_TRAMPOLINE): Call it.
1069 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1070 (TRAMPOLINE_TEMPLATE): Remove.
1071 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1072 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1073 Declare.
1075 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1077 * gccbug.in: Use a temporary directory when the mktemp command is
1078 not available.
1080 2001-05-03 David Edelsohn <edelsohn@gnu.org>
1082 * config/rs6000/aix51.h: Remove duplicate header file inclusion as
1083 reported by David O'Brien <obrien@FreeBSD.org>.
1085 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1087 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1088 * integrate.c (expand_inline_function): Use xcalloc to allocate
1089 memory.
1090 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1091 registers.
1093 2001-05-02 Geoff Keating <geoffk@redhat.com>
1095 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1096 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1097 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1098 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1099 ctrdi_internal6): In the short-branch case, this insn is only 4
1100 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1102 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1103 (setup_incoming_varargs): Remove warning.
1105 * config/rs6000/rs6000.c (validate_condition_mode): When
1106 flag_fast_math, allow floating-point conditionals to be reversed.
1107 (rs6000_generate_compare): When flag_fast_math, don't generate
1108 cror operations for FP conditionals.
1110 2001-05-02 Dale Johannesen <dalej@apple.com>
1112 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1113 parameter.
1114 (STRICT_ARGUMENT_NAMING): Define.
1115 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1116 function_arg_partial_nregs, setup_incoming_varargs): Remove
1117 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1118 is defined.
1120 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1122 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1123 for replacement.
1125 * expr.c (store_field): Do nothing except elaborate side-effects if
1126 zero-bit field.
1128 2001-05-02 Nick Clifton <nickc@cambridge.redhat.com>
1130 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1131 constant pool, use the pool's SYMBOL_REF instead.
1133 2001-05-01 Per Bothner <per@bothner.com>
1135 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1136 call do_pending_stack_adjust before emiting label.
1138 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1140 * extend.texi: Fix typo.
1142 2001-05-01 Stan Shebs <shebs@apple.com>
1144 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1145 of UOBJC_MODULES_decl.
1146 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1147 (generate_descriptor_table): Ditto.
1148 (generate_protocols): Ditto.
1149 (generate_protocol_list): Ditto.
1150 (generate_classref_translation_entry): Ditto.
1152 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1154 * ChangeLog (2001-02-21): Remove erroneous entry.
1155 * gcc.c (cc1_options): Add "-param".
1156 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1157 (option_map): Likewise.
1158 (display_help): Add "--param" to 'other' options.
1159 * invoke.texi (Optimize Options): Add documentation for `--param
1160 max-delay-slot-insn-search' and `--param
1161 max-delay-slot-live-search' and reorder --param section.
1162 * params.def: Modify initial comment.
1163 * params.h (param_info): Add `help' member.
1164 * toplev.c (lang_independent_params): Include `help' description.
1165 (display_help): Print --param parameters.
1166 (independent_decode_option): Fix typographical error.
1168 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1170 * c-tree.texi (USING_STMT): Document.
1172 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1173 Richard Henderson <rth@redhat.com>
1175 * extend.texi: Improve documentation of volatile asms.
1177 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1179 * c-tree.texi: Fix thinko.
1180 * gcc.texi: Likewise.
1182 2001-04-30 Richard Henderson <rth@redhat.com>
1184 * c-common.c (c_promoting_integer_type_p): New function, from the
1185 corpse of old macro. Properly promote too-small enumerations and
1186 booleans. Adjust all callers.
1187 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1188 (c_promoting_integer_type_p): Declare.
1189 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1190 * c-typeck.c: Likewise.
1191 (default_conversion): Remove now redundant boolean check.
1193 2001-04-30 Jan Hubicka <jh@suse.cz>
1194 Richard Henderson <rth@redhat.com>
1196 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1197 sanity checks.
1198 (combine_stack_adjustments_for_block): Don't combine stack
1199 allocation followed by deallocations. Handle grow-up stacks.
1201 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1203 * fdl.texi: New file.
1204 * c-tree.texi: Use the GFDL.
1205 * gcc.texi: Likewise.
1207 2001-04-30 Stan Shebs <shebs@apple.com>
1209 * invoke.texi: Add a section documenting Objective-C options.
1211 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1213 * regmove.c (record_stack_memrefs): Catch all references to the
1214 stack pointer.
1216 2001-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1218 * pa.c (hppa_init_pic_save): Update last_parm_insn after emitting
1219 pic save insn.
1221 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1223 * extend.texi (extended asm): Fix typo.
1225 Sat Apr 28 10:32:26 2001 Jeffrey A Law (law@cygnus.com)
1227 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1228 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1229 into the constant pool.
1230 * jump.c (jump_optimize_1): Remove barrier successors after all
1231 the LABEL_NUSES counds have been computed.
1232 (delete_barrier_successors): When deleting a tablejump insn, also
1233 delete the jump table it uses.
1234 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1235 label into memory.
1237 2001-04-28 Andreas Jaeger <aj@suse.de>
1239 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1240 appropriate.
1241 * extend.texi: Likewise.
1243 2001-04-28 Andreas Jaeger <aj@suse.de>
1245 * md.texi: Use XX-bit instead of XXbit or XX bit where
1246 appropriate.
1248 2001-04-28 Andreas Jaeger <aj@suse.de>
1249 Richard Henderson <rth@redhat.com>
1251 * md.texi (Machine Constraints): Fix description of "A" for
1252 i386.
1254 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1256 * collect2.c (main): Add `-L' case to remove duplicate entries.
1257 (is_in_args): New function to check for a duplicate argument.
1258 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1259 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1260 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1261 Define to be nonzero.
1263 Fri Apr 27 10:41:06 2001 Jeffrey A Law (law@cygnus.com)
1265 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1267 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1269 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1270 common to other movsf patterns. Move up so that in future
1271 people who change the other patterns will change it too.
1272 (movsf_lo_sum): Allow even for soft-float; add appropriate
1273 constraints.
1274 (movsf_high): Likewise.
1275 (movsf_high+1): Allow even for soft-float.
1277 2001-04-26 Mark Mitchell <mark@codesourcery.com>
1279 * invoke.texi: Document more C++ command-line options.
1281 2001-04-26 H.J. Lu (hjl@gnu.org)
1283 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1285 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1286 define.
1287 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1288 (ASM_OUTPUT_SECTION_NAME): Likewise.
1289 (ASM_WEAKEN_LABEL): Likewise.
1290 (UNIQUE_SECTION): Likewise.
1291 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1292 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1293 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1294 (ASM_OUTPUT_SECTION_NAME): Likewise.
1295 (ASM_WEAKEN_LABEL): Likewise.
1296 (UNIQUE_SECTION): Likewise.
1297 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1298 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1299 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1300 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1301 (ASM_FILE_START): Likewise.
1302 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1303 (ASM_DECLARE_OBJECT_NAME): Likewise.
1304 (ASM_FILE_END): Likewise.
1305 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1306 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1307 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1308 (ASM_OUTPUT_CASE_LABEL): Likewise.
1309 (ASM_OUTPUT_SKIP): Likewise.
1310 (ASM_OUTPUT_ASCII): Likewise.
1311 (ASM_OUTPUT_IDENT): Likewise.
1312 (READONLY_DATA_SECTION): Likewise.
1313 (EXTRA_SECTIONS): Likewise.
1314 (EXTRA_SECTION_FUNCTIONS): Likewise.
1315 (SELECT_RTX_SECTION): Likewise.
1316 (SELECT_SECTION): Likewise.
1318 * config/mips/linux.h (INVOKE__main): Undefine.
1319 (CTOR_LIST_BEGIN): Likewise.
1320 (CTOR_LIST_END): Likewise.
1321 (DTOR_LIST_BEGIN): Likewise.
1322 (DTOR_LIST_END): Likewise.
1323 (SET_ASM_OP): Defined it to ".dummy".
1324 (ASM_OUTPUT_DEF): Defined.
1325 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1327 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1329 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1331 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1333 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1334 -m386 and -m486.
1336 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1338 * configure.in (configargs.h): Define thread_model.
1339 * configure: Rebuilt.
1340 * gcc.c (main): Print it with -v.
1342 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1344 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1345 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1346 * gcc.1: Regenerate.
1348 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1350 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1351 is_redundant_typedef): Use static inline instead of inline static.
1353 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1355 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1356 this directory is always searched.
1358 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1360 * loop.c (try_swap_copy_prop): Go back to checking insn.
1362 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1364 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1365 out and comparison sequence has been detected, put result into
1366 proper temporary pseudo.
1368 2001-04-24 Mark Mitchell <mark@codesourcery.com>
1370 * dwarf2out.c (dwarf2out_finish): Forcibly return to the data
1371 section after emitting information.
1373 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1375 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1376 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1377 * libgcc2.c: Remove __dummy and __empty functions, and all
1378 code for __builtin_saveregs.
1379 * libgcc2.h: Don't prototype __builtin_saveregs, __dummy, or __empty.
1380 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1381 for future reference.
1383 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1385 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1386 passing nested NOP_EXPRs to fold.
1388 2001-04-23 Mark Mitchell <mark@codesourcery.com>
1390 * dwarf2out.c (rtl_for_decl_location): Add comments. Abort
1391 if the decl is abstract.
1392 (add_bound_info): Don't try to get the location of an abstract
1393 declaration.
1395 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1397 * loop.c (loop_delete_insns): Add prototype.
1399 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1401 * flow.c (proagate_one_insn): Remove useless assignment.
1402 * jump.c (delete_insn): Tidy.
1403 * loop.c (try_copy_prop): When deleting an instruction with a
1404 REG_RETVAL note, delete the entire libcall sequence.
1405 (loop_delete_insns): New function.
1406 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1407 we're not substituting into them yet.
1409 2001-04-21 Kazu Hirata <kazu@hxi.com>
1411 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1413 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1414 Fix a comment typo.
1415 * config/i960/i960.c (signed_arith_operand): Likewise.
1417 * calls.c (expand_call): Fix a comment typo.
1419 Fri Apr 20 12:22:15 2001 Jeffrey A Law (law@cygnus.com)
1421 * config/pa/som.h (NM_FLAGS): Define.
1423 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1425 * ia64.c (ia64_flag_schedule_insns2): New variable.
1426 (ia64_override_options): Initialize it. Clear
1427 flag_schedule_insns_after_reload.
1428 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1430 Thu Apr 19 19:12:57 2001 Jeffrey A Law (law@cygnus.com)
1432 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1433 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1435 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1436 name at 32 total characters.
1437 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1438 functions in named sections -- data items can still go into unique
1439 sections, but they have normal names (ie $LIT$ and $DATA$).
1441 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1442 INIT_PRIORITY.
1444 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1446 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1447 that language-independent processing should not be done.
1448 * toplev.c (main): Adjust accordingly.
1450 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1451 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1453 * mips.md (reload_outputdi): Require that operand0 be a
1454 general_operand.
1456 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1458 * invoke.texi (-Wshadow): Clarify.
1460 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1462 * loop.c (load_mems): Examine all the instructions in the loop
1463 before concluding that all jumps branch to the first instruction
1464 after the loop.
1466 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1468 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1470 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1472 * cpp.texi (-Wwhite-space): Remove.
1473 (-Wall): -Wall does not imply -Wwhite-space.
1475 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1477 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1478 use it instead of blindly generating a .stabs.
1479 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1480 in the right place.
1481 * xcoffout.c: Don't bother defining default for N_CATCH.
1482 (UNKNOWN_STAB): Use internal_error.
1483 (stab_to_sclass): Remove now-unnecessary aborts.
1484 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1486 Tue Apr 17 21:39:12 2001 Jeffrey A Law (law@cygnus.com)
1488 * jump.c (mark_all_labels): Canonicalize the tail recursion
1489 label attached to CALL_PLACEHOLDER insns.
1491 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1493 * dbxout.c (N_OPT): Define if not available from <stab.h>
1495 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1497 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1498 libraries and native K&R compilers.
1500 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1502 * c-typeck.c (convert_arguments): Don't check for width changes
1503 with -Wtraditional.
1505 * invoke.texi (-Wtraditional): Update documentation.
1507 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1509 * toplev.c (output_lang_identify): Delete.
1510 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1511 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1512 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1513 after calling ASM_FILE_END.
1515 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1516 Instead, unconditionally emit an N_OPT stab with string equal
1517 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1519 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1521 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1522 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1523 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1524 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1525 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1526 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1527 config/i370/i370.h, config/i386/beos-elf.h,
1528 config/i386/osf1elf.h, config/i386/osfrose.h,
1529 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1530 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1531 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1532 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1533 config/mips/iris6.h, config/mips/osfrose.h,
1534 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1535 config/sparc/sp64-elf.h:
1536 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1537 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1539 * config/elfos.h, config/freebsd.h, config/linux.h,
1540 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1541 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1542 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1543 of ASM_FILE_START which merely emit a .version directive. Delete
1544 definitions of ASM_FILE_END which merely emit an .ident directive.
1546 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1547 ASM_IDENTIFY_GCC and move part of its logic into
1548 ASM_FILE_START.
1550 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1551 config/sparc/linux-aout.h: Don't emit .version directive in
1552 ASM_FILE_START.
1554 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1555 (output_file_start): Correct comment.
1557 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1558 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1559 to match gdb.
1560 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1561 * config/rs6000/aix.h: Correct comment.
1563 * config/i386/i386afe.h: Delete.
1564 * config.gcc: Remove references to i386afe.h.
1566 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1567 other macros deleted by this patch were undocumented.
1569 Mon Apr 16 08:02:14 2001 Jeffrey A Law (law@cygnus.com)
1571 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1573 * pa.c (secondary_reload_class): SAR<->FP copies require a
1574 secondary register.
1576 * install.texi (mips-mips-bsd): Update list of functions
1577 required to include memmove.
1578 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1579 used functions to include memmove.
1581 2001-04-15 Mark Mitchell <mark@codesourcery.com>
1583 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1584 if it is not set.
1586 2001-04-15 Jim Wilson <wilson@redhat.com>
1588 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1590 2001-04-13 Jim Wilson <wilson@redhat.com>
1592 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1593 (first_instruction): New static variable.
1594 (rtx_needs_barrier): Return 1 for alloc.
1595 (init_insn_group_barriers): Set first_instruction.
1596 (rws_sum): Delete duplicate definition.
1597 (group_barrier_needed_p): Return 0 when first_instruction true.
1598 (safe_group_barrier_needed_p): Save and restore first_instruction
1599 around group_barrier_needed_p call.
1601 Fri Apr 13 21:33:59 2001 Loren J. Rittle <ljrittle@acm.org>
1603 * expr.h (enum libfunc_index): Add LTI_memmove.
1604 (memmove_libfunc): Define macro.
1605 * optabs.c (init_optabs): Initialize memmove_libfunc.
1606 * expr.c (expand_assignment): Use memmove_libfunc instead of
1607 memcpy_libfunc.
1609 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1611 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1612 fp mode addresses.
1614 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1616 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1617 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1618 MAKEINFO and MAKEINFOFLAGS too.
1619 (stage4_build): Correctly order -B flags.
1621 2001-04-12 Jim Wilson <wilson@redhat.com>
1623 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1624 to just emit an fnorm.
1626 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1628 * invoke.texi: Document --param max-gcse-memory.
1630 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1632 * sh.md (builtin_setjmp_receiver): New expander.
1634 2001-04-12 Kelley Cook <kelley.cook@home.com>
1636 * config-lang.in (lang_dirs): Add in zlib.
1638 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1640 * dwarf2out.c (modified_type_die): Don't create new types here.
1641 * tree.h (get_qualified_type): New function.
1642 (build_qualified_type): Adjust comment.
1643 * tree.c (get_qualified_type): New function.
1644 (build_qualified_type): Use it.
1646 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1648 * cpp.texi (-Wtraditional): Update description.
1650 * invoke.texi (-Wtraditional): Likewise.
1652 2001-04-11 Jim Wilson <wilson@redhat.com>
1654 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1655 requires more than 64 bits of alignment.
1657 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1659 * cpplib.c (do_line): Sanity check iff enable checking.
1661 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1663 * Makefile.in (gcse.o): Depend on params.h.
1664 * gcse.c: Include params.h.
1665 (gcse_main): Don't do GCSE if doing so will take inordinate
1666 amounts of memory.
1667 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1668 * params.h (MAX_GCSE_MEMORY): New macro.
1670 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1672 * c-typeck.c (convert_arguments): -Wtraditional now activates
1673 -Wconversion warnings, except for changes in signed-ness.
1674 Detect complex<->int & int<->complex conversions as well.
1676 * invoke.texi (-Wtraditional): Document it.
1678 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1680 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1682 2001-04-11 Jason Merrill <jason_merrill@redhat.com>
1684 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1685 not '.' or '$'.
1686 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1687 * varasm.c (CHKR_PREFIX): Likewise.
1689 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1691 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1693 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1695 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1696 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1697 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1698 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1699 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1701 2001-04-09 Neil Booth <neil@daikokuya.demon.co.uk>
1703 * configure.in: Add check for lstat.
1704 * configure, config.in: Regenerate.
1705 * cppinit.c (append_include_chain): Make empty path ".".
1706 * cpplib.c (do_line): Don't simplify #line paths.
1707 * cppfiles.c (remove_component_p): New function.
1708 (find_or_create_entry): Acknowledge stat () errors during
1709 path simplification.
1710 (handle_missing_header): Don't simplify paths.
1711 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1712 the empty path untouched. Don't leave a trailing '/'.
1714 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1716 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1717 function. Remove include of sys/cygwin.h.
1719 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1721 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1722 (CPP_SPEC): Always search */include/w32api for header files.
1723 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1724 (LINK_SPEC): Add "cyg" to the library search prefixes.
1726 2001-04-08 Philip Blundell <philb@gnu.org>
1728 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1730 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1732 * cpperror.c (print_location): Don't special case <stdin>.
1733 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1734 WARNING, but we don't check if we're in system headers.
1735 * cpphash.h (enum error_type): WARNING_SYSHDR: New.
1736 * cpplib.c (do_warning): Warn in system headers.
1737 (cpp_push_buffer): Give stdin buffers the name <stdin>.
1739 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1741 * mbchar.c: Include config.h first.
1743 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1745 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1747 2001-04-05 Benjamin Kosnik <bkoz@redhat.com>
1749 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1750 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1752 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1754 * config/ia64/ia64.c (rtx_needs_barrier): PARALLELs can contain
1755 ASM_OPERANDS.
1757 2001-04-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1759 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1760 all labels present in rtx.
1761 (try_split) Call new function for all split insns.
1763 2001-04-05 Neil Booth <neil@daikokuya.demon.co.uk>
1765 * cppfiles.c (open_file): Fail directories silently, but
1766 with an errno of NOENT set.
1767 (read_include_file): Move the common exit code to the sole
1768 caller. Return an int indicating success or failure. Let
1769 open_file handle directories.
1770 (stack_include_file): If read_include_file fails,
1771 push a "null" buffer.
1773 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1775 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1776 when folding integer division and modulo operations.
1778 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1780 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1781 push insns to delete to it instead of deleting them.
1782 (delete_null_pointer_checks): Delete insns from delete_list after
1783 all delete_null_pointer_checks_1 passes are done.
1785 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1787 * configure.in (target_subdir): Use target_alias, not target.
1788 * configure: Rebuilt.
1790 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1791 other way round.
1792 * config/sh/crti.asm: Fix typos in comments.
1794 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1796 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1797 LO_SUM cases to where they belong.
1799 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1801 * ifcvt.c (noce_emit_move_insn): New.
1802 (noce_try_store_flag, noce_try_store_flag_constants,
1803 noce_try_store_flag_inc, noce_try_store_flag_mask,
1804 noce_try_cmove, noce_try_cmove_arith): Use it.
1805 (noce_process_if_block): Likewise.
1806 For STRICT_LOW_PART, take mode from its SUBREG.
1808 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1810 * fold-const.c (fold): Before optimizing unsigned comparison with
1811 0x7fffffffU, make sure arg0 is integral type.
1813 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1815 * c-tree.texi: Document representation of wide strings.
1817 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1819 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1820 when multiplier or multiplicand is zero.
1822 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1824 * loop.c (load_mems): When generating a load from a pseudo, update
1825 REGNO_LAST_UID.
1827 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1828 rtx_needs_barrier.
1829 (set_src_needs_barrier): Likewise.
1830 (rtx_needs_barrier): For SET case, use these two functions. Rework
1831 PARALLEL case to handle all inputs before all outputs.
1832 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1833 saw a label and no stop bit since then.
1834 (maybe_rotate, process_epilogue): Add prototypes.
1836 2001-03-28 Jim Wilson <wilson@redhat.com>
1838 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1839 operand_subword.
1841 2001-03-28 DJ Delorie <dj@redhat.com>
1843 * Makefile.in (stage1_build): Revert CFLAGS patch.
1845 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1847 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1849 2001-03-27 Jim Wilson <wilson@redhat.com>
1851 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1852 IA64_UNWIND_EMIT.
1853 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1854 (process_epilogue): New static function.
1855 (process_set): Call process_epilogue instead of emitting .restore
1856 directly.
1857 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1859 * flow.c (struct reg_cond_life_info): New fields orig_condition
1860 and stores.
1861 (init_propagate_block_info): Set new fields.
1862 (mark_regno_cond_dead): Set and use new fields.
1863 (flush_reg_cond_reg_1): Likewise.
1864 (and_reg_cond, case AND): Check for redundant AND conditions.
1865 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1866 Set new fields.
1868 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1870 * cppmacro.c (stringify_arg): Null terminate strings.
1872 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1874 * cppfiles.c: Update comments.
1875 (struct include_file): Remove "defined" memeber.
1876 (find_or_create_entry): Make a copy of the file name, and
1877 simplify it.
1878 (open_file): Update to ensure we use the simplified filename.
1879 (stack_include_file): Don't set search_from.
1880 (cpp_included): Don't simplify the path name here.
1881 (find_include_file): New prototype. Call search_from to
1882 get the start of the "" include chain. Don't simplify the
1883 filenames here.
1884 (_cpp_execute_include): New prototype. Move diagnostics to
1885 do_include_common. Update.
1886 (_cpp_pop_file_buffer): Don't set defined.
1887 (search_from): New prototype. Use the preprocessor's cwd
1888 for files included from the command line.
1889 (read_name_map): Don't simplify the pathname here.
1891 (stack_include_file): Only increase the include
1892 count if we actually process the file properly, as opposed
1893 to treating it as length zero. Only call read_include_file
1894 if not DO_NOT_REREAD. Handle the -H include file output
1895 here.
1896 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1897 (cpp_included, find_include_file): Simplify pathnames after
1898 remapping them. If remapping, don't use the remapped file
1899 name's buffer as our scratch buffer.
1900 (cpp_pop_file_buffer): Replace the multiple include macro
1901 only if it isn't yet set.
1902 (read_name_map): Simplify remapped names when reading in.
1903 (remap_filename): Move code to code path that uses it.
1904 (_cpp_simplify_pathname): Return the input pointer.
1906 (NO_INCLUDE_PATH): New macro.
1907 (find_include_file): Decide here which part of the include
1908 chain to start the search. Complain about an empty include
1909 chain in all cases apart from an abolsute file name.
1910 (_cpp_execute_include): Don't choose the search chain here.
1911 Don't call handle_missing_include in the case of an empty
1912 include chain.
1913 (_cpp_compare_file_date): Don't choose the search chain here.
1915 (destroy_include_file_node): Rename destroy_node.
1916 (find_or_create_entry): New function.
1917 (open_file, _cpp_fake_include): Use it.
1918 (handle_missing_header): New function, broken out of
1919 _cpp_execute include. Don't segfault if there is no
1920 system or quoted path.
1921 (_cpp_execute_include): Use handle_missing_header.
1923 (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1924 (cpp_included, find_include_file): Update.
1925 (search_from): Use lbasename.
1926 (_cpp_execute_include): Don't make a null-terminated
1927 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1928 strlen or strcpy; we already know the length.
1929 (_cpp_compare_file_date): Similarly.
1931 * cpphash.h: Update comments.
1932 (enum include_type): New.
1933 (struct buffer): Delete search from. New search_cached.
1934 (_cpp_execute_include): Update prototype.
1935 (struct cpp_reader): Delete done_initialising.
1936 (_cpp_simplify_pathname): Update prototype.
1937 (struct cpp_buffer): Delete actual_dir. New members
1938 search_from and dir.
1939 (struct cpp_reader): Remove actual_dirs.
1941 (struct include_file): Update.
1942 (stack_include_file): Use search_from.
1943 (cpp_included, find_include_file): Update.
1944 (cpp_execute_include): Update. ptr->name may not be
1945 null terminated. Use the new search_from member variable
1946 of cpp_buffer.
1947 (_cpp_compare_file_date): Similarly.
1948 (search_from): New function, similiar to actual_directory.
1949 (actual_directory): Delete.
1950 (remap_filename): Update. loc->name may not be null terminated.
1951 (struct file_name_list): Rename search_path. Update.
1953 * cppinit.c (do_includes): Use _cpp_execute_include.
1954 (cpp_start_read): Don't set done_initialising.
1955 (struct cpp_pending): Update for renamed objects.
1956 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1957 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1959 * cpplib.c (do_include_common): New function.
1960 (do_include, do_include_next, do_import): Use it.
1961 (do_include_next): Move the in-main-file diagnostic
1962 here from _cpp_execute_include. Behave like #include if
1963 we're in the main file.
1964 (_cpp_compare_file_date): Make else unconditional.
1965 (CPP_PREV_BUFFER): Delete.
1966 (glue_header_name): Null-terminate.
1967 (do_line): Don't leak memory.
1969 * cpplex.c (parse_string): Guarantee null-termination.
1970 (_cpp_equiv_toklists): Remove.
1972 * cpplib.h (BT_WEAK): Delete.
1973 (struct cpp_options): Update.
1975 * cppmain.c (cb_ident): Strings are now null-terminated.
1977 * mkdeps.c (deps_add_default_target): Use lbasename.
1979 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1981 * c-typeck.c (digest_init): Fold init expression.
1983 * except.c (eh_regs): Save results of build_pointer_type to a temp
1984 as FUNCTION_VALUE macro may evaluate its args multiple times.
1986 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1988 * c-common.h (DECL_NUM_STMTS): New macro.
1989 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1990 DECL_FRAME_SIZE.
1991 (pushdecl): Likewise.
1992 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1993 * integrate.c (expand_inline_function): Don't check
1994 DECL_FRAME_SIZE.
1995 * print-tree.c (print_node): Don't print it.
1996 * toplev.c (rest_of_compilation): Don't try to inline when
1997 flag_no_inline is on.
1998 * tree.h (DECL_FRAME_SIZE): Remove.
1999 (tree_decl): Adjust accordingly.
2001 Mon Mar 26 15:59:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2003 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2005 2001-03-26 Jakub Jelinek <jakub@redhat.com>
2007 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2008 to variable names where DECL_NAME is different from
2009 DECL_ASSEMBLER_NAME.
2011 2001-03-26 Jakub Jelinek <jakub@redhat.com>
2013 * reg-stack.c (stack_result): Re-add 2001-03-14 changes which were
2014 lost during the 2001-03-14 lazy DECL_RTL commit.
2016 2001-03-21 Jason Merrill <jason@redhat.com>
2018 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2019 not '.' or '$'.
2020 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2021 * varasm.c (CHKR_PREFIX): Likewise.
2023 2001-03-25 Kazu Hirata <kazu@hxi.com>
2025 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2026 space.
2027 (modqi3): Likewise.
2028 (umodhi3): Likewise.
2029 (modhi3): Likewise.
2031 2001-03-23 Richard Henderson <rth@redhat.com>
2033 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2034 to avoid shadowing arguments.
2036 2001-03-23 Jim Wilson <wilson@redhat.com>
2038 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2039 (assemble_alias): Call make_decl_rtl.
2041 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2043 * extend.texi: Document the "java_interface" attribute.
2045 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2047 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2049 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2051 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec field to
2052 all array elements.
2054 2001-03-22 Brad Lucier <lucier@math.purdue.edu>
2056 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2058 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2060 * gcc.texi: Remove more obsolete documentation of bugs and
2061 installation problems.
2063 2001-03-21 Kazu Hirata <kazu@hxi.com>
2065 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2066 into two parts.
2068 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2070 * cse.c (find_comparison_args): Remove previous change.
2071 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2072 REG_EQUAL notes.
2074 * sdbout.c: #include ggc.h.
2075 (sdbout_init): Move to end of file.
2076 Call ggc_add_tree_root for anonymous_types.
2077 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2078 (sdbout_one_type): Use DECL_NAME for field name.
2079 * Makefile.in (sdbout.o): Show includes ggc.h.
2081 2001-03-21 Jakub Jelinek <jakub@redhat.com>
2083 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2084 Remove ia32 linux PIC kludge and move it...
2085 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2087 2001-03-20 DJ Delorie <dj@redhat.com>
2089 * Makefile.in (install-libgcc): Pass complete list of variables.
2090 (install-multilib): Ditto.
2092 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2094 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2095 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2097 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2099 Compute DECL_ASSEMBLER_NAME lazily.
2100 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2101 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2102 (SET_DECL_ASSEMBLER_NAME): Likewise.
2103 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2104 (set_decl_assembler_name): Declare.
2105 (lang_set_decl_assembler_name): Likewise.
2106 * tree.c (lang_set_decl_assembler_name): New variab.e
2107 (set_decl_assembler_name): New function.
2108 (init_obstacks): Set lang_set_decl_assembler_name.
2109 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2110 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2111 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2112 where it's not necessary.
2113 (builtin_function): Likewise.
2114 (finish_decl): Likewise.
2115 * dbxout.c (dbxout_type_methods): Likewise.
2116 * ggc-common.c (ggc_mark_trees): Likewise.
2117 * profile.c (output_func_start_profiler): Likewise.
2118 * varasm.c (make_decl_rtl): Likewise.
2120 * cse.c (find_comparison_args): Update documentation. Fix
2121 mishandling of COMPARE operations.
2123 * tree.def (ABS_EXPR): Add documentation.
2124 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2126 2001-03-20 Tom Tromey <tromey@redhat.com>
2128 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2130 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2132 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2133 drectve_section, switch_to_section.
2135 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2136 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2137 i386_pe_mark_dllimport.
2139 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2141 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2142 functions i386_pe_*.
2144 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2145 i386_pe_* functions with char * arguments.
2147 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2149 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2150 and store.
2151 (movsi_ie): Introduce fpul store.
2153 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2155 * Makefile.in (OBJS): Remove hashtab.o.
2157 2001-03-19 Tom Tromey <tromey@redhat.com>
2159 * gcc.c (init_gcc_specs): Fix comment.
2161 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2163 * cse.c (find_comparison_args): Update documentation. Fix
2164 mishandling of COMPARE operations.
2166 * tree.def (ABS_EXPR): Add documentation.
2167 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2169 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2171 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2173 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2175 * README.X11: Remove obsolete file.
2177 2001-03-18 Anthony Green <green@redhat.com>
2179 * config/pj/pj.h: Remove some trailing commas.
2180 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2182 2001-03-17 Anthony Green <green@redhat.com>
2184 * config/pj/lib1funcs.S: Fix broken comment.
2185 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2186 labels with '.'.
2188 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2190 * gcc.texi: Remove obsolete information relating to build and
2191 installation problems with enquire or the Pyramid C compiler.
2193 2001-03-16 Philip Blundell <philb@gnu.org>
2195 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2196 "armv2-*-linux".
2197 * config/arm/linux-elf.h: Remove historical relics related to
2198 above configurations.
2199 * config/arm/linux-oldld.h: Delete.
2200 * config/arm/linux-elf26.h: Delete.
2202 2001-03-17 Richard Henderson <rth@redhat.com>
2204 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2205 is generating .debug_line.
2206 (dwarf2out_init): Add main_input_filename to the file table first.
2207 * configure.in (as_dwarf2_debug_line): Test with file number 1
2208 instead of file number 0.
2210 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2211 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2212 (size_of_line_prolog): Remove.
2213 (output_line_info): Compute prologue size via label difference.
2214 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2215 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2216 assembler error when redefining file numbers.
2217 * config.in, configure: Rebuild.
2219 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2221 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2222 variable.
2224 2001-03-16 Jim Wilson <wilson@redhat.com>
2226 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2227 then set it to LOC_REG (79) instead of aborting.
2229 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2231 * fixinc/Makefile.in: Set SHELL.
2233 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2235 * fixinc/fixincl.c (fix_with_system): Quote file names before
2236 passing them to shell.
2238 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2240 * Makefile.in: Use fix-header$(build_exeext) instead
2241 of fix-header.
2243 Fri Mar 16 11:26:01 2001 Christopher Faylor <cgf@cygnus.com>
2245 * config/i386/cygwin.h: Revert previously misapplied patch which
2246 eliminated TARGET_SUBTARGET_DEFAULT.
2248 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2250 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2251 register may be dead.
2253 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2255 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2257 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2259 * Makefile.in (hash.o): Depend on CONFIG_H.
2261 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2263 * cppfiles.c (stack_include_file): Use MAX of sysp.
2265 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2267 * config.gcc (ia64*-*-hpux*): New case.
2268 * config/ia64/hpux.h: New file for HP-UX support.
2269 * config/ia64/t-hpux: New file for HP-UX support.
2271 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2273 * fixinc/inclhack.def (irix_stdio_va_list): New.
2274 * fixinc/fixincl.x: Rebuilt.
2276 2001-03-15 Bruce Korb <bkorb@gnu.org>
2278 * gcc.c(main): make more rigorous
2279 * collect2.c(main): guard against ignoring SIGCHLD
2280 * protoize.c(main): ditto
2281 * gcc/fixinc/fixincl.c(initialize): ditto
2283 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2285 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2286 (sdbout_parms): Likewise.
2288 Thu Mar 15 12:51:00 2001 Jeffrey A Law (law@cygnus.com)
2290 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2291 "widen" a destination that is already wider than a word. Also do
2292 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2294 2001-03-15 Zack Weinberg <zackw@stanford.edu>
2296 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2297 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2298 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2299 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2300 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2301 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2302 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2303 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2304 config/i370/xm-oe.h, config/i386/xm-aix.h,
2305 config/i386/xm-i386.h, config/i386/xm-osf.h,
2306 config/i860/xm-i860.h, config/i960/xm-i960.h,
2307 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2308 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2309 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2310 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2311 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2312 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2313 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2314 config/pj/xm-pj.h, config/romp/xm-romp.h,
2315 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2316 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2317 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2318 config/v850/xm-v850.h, config/vax/xm-vax.h,
2319 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2320 Do not define TRUE or FALSE.
2322 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2323 empty by above change.
2324 * config.gcc: Remove references to these files.
2326 * configure.in: Detect stdbool.h.
2327 * configure, config.in: Regenerate.
2328 * system.h: Include stddef.h here if available. Set
2329 HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then
2330 set up a sensible boolean type at the very end.
2332 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2333 config/mcore/mcore.c: Rename variables named 'true'
2334 and/or 'false'.
2336 * hash.h: Delete 'boolean' typedef and related #undefs.
2338 * function.c, ggc-common.c, hash.h, hash.c, tlink.c,
2339 Replace all uses of 'boolean' with 'bool'.
2341 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2342 David Billinghurst <David.Billinghurst@riotinto.com>
2344 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2346 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2348 * simplify-rtx.c (hash_rtx): For REG and MEM, just use value of
2349 expression without adding in rtx code and mode.
2351 * alias.c (init_alias_analysis): Don't use any rtx whose value
2352 varies as a known value.
2353 Delete a superfluous test.
2355 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2357 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2359 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2361 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2362 contents of the RTL, to determine the name of the object.
2364 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2366 * configure.in: Use $gcc_cv_as instead of $as.
2367 * configure: Regenerated.
2369 Wed Mar 14 13:17:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2371 * alias.c (handled_component_p, can_address_p): New functions.
2372 (get_alias_set): Use them.
2374 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2376 * expr.c (expand_expr): Revove bogus conditional.
2378 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2380 * tree.h (DECL_RTL): Allocate RTL lazily.
2381 (SET_DECL_RTL): New macro.
2382 (DECL_RTL_SET_P): Likewise.
2383 (COPY_DECL_RTL): Likewise.
2384 (DECL_RTL_IF_SET): Likewise.
2385 * varasm.c (make_decl_rtl): Add assertions about the kind of
2386 declaration we are processing.
2387 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2388 (start_decl): Likewise.
2389 (finish_decl): Likewise.
2390 * c-semantics.c (emit_local_var): Likewise.
2391 * calls.c (expand_call): Likewise.
2392 * dbxout.c (dbxout_symbol): Likewise.
2393 * emit-rtl.c (unshare_all_rtl): Likewise.
2394 (unshare_all_decls): Likewise.
2395 (reset_used_decls): Likewise.
2396 * expr.c (store_constructor): Likewise.
2397 (safe_from_p): Likewise.
2398 (expand_expr): Likewise.
2399 * function.c (put_var_into_stack): Likewise.
2400 (instantiate_decls_1): Likewise.
2401 (assign_parms): Likewise.
2402 (expand_function_start): Likewise.
2403 (expand_function_end): Likewise.
2404 * ggc-common.c (gcc_mark_trees): Likewise.
2405 * integrate.c (function_cannot_inline_p): Likewise.
2406 (copy_decl_for_inlining): Likewise.
2407 (expand_inline_function): Likewise.
2408 (integrate_parm_decls): Likewise.
2409 (integrate_decl_tree): Likewise.
2410 * print-tree.c (print_node): Likewise.
2411 * reg-stack.c (stack_result): Likewise.
2412 * stmt.c (label_rtx): Likewise.
2413 (expand_return): Likewise.
2414 (expand_decl): Likewise.
2415 (expand_decl_cleanup): Likewise.
2416 (expand_anon_union_decl): Likewise.
2417 * toplev.c (check_global_declarations): Likewise.
2418 (rest_of_decl_compilation): Likewise.
2419 * tree.c (simple_cst_equal): Likewise.
2420 * objc/objc-act.c (generate_static_references): Likewise.
2422 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2424 * reg-stack.c (stack_result): Unconditionally use
2425 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2427 2001-03-13 Jim Wilson <wilson@redhat.com>
2429 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2430 from 80 in try_locals code.
2431 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2433 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2435 * cpp.texi (poison): Explain the macro expansion exception.
2437 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2439 * cppinternals.texi: Update for file handling.
2441 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2443 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2444 unless anti_dependence says they are.
2445 * alias.c (objects_must_conflict): If neither has a type specified,
2446 they must conflict.
2448 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2450 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2451 before reload_cse_noop_set_p.
2453 Sat Mar 10 23:21:34 2001 kaz Kojima <kkojima@rr.iij4u.or.jp>
2455 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2457 Sat Mar 10 23:16:16 2001 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2459 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2460 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2462 Sat Mar 10 23:03:25 2001 Alexandre Oliva <aoliva@redhat.com>
2464 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2465 if it's a record type.
2467 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2469 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2470 mingw includes slightly.
2472 Fri Mar 9 18:33:50 2001 Jeffrey A Law (law@cygnus.com)
2474 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2476 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2478 * configure: Rebuilt.
2479 * configure.in: Only use `lang_requires' for languages athat are
2480 actually enabled.
2482 Thu Mar 8 23:34:42 2001 Jeffrey A Law (law@cygnus.com)
2484 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2486 Thu Mar 8 23:22:26 2001 John Wehle (john@feith.com)
2488 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2489 LO_SUM unless for_alias is set.
2491 2001-03-08 Bruce Korb <bkorb@gnu.org>
2493 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2494 wait4() can receive the signal.
2496 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2498 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2499 entities.
2500 * fixinc/fixincl.x: Regenerate.
2502 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2504 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2505 on Tru64 UNIX.
2506 * fixinc/fixincl.x: Regenerate.
2508 Thu Mar 8 19:42:08 CET 2001 Jan Hubicka <jh@suse.cz>
2510 * reg-stack.c (move_for_stack_reg): Avoid non-popint fst for
2511 TFmode too.
2513 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2515 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2517 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2519 * configure.in (enable_shared): Support per-package shared-library
2520 enabling.
2521 * configure: Rebuilt.
2523 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2525 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2526 for crnot. Set operands[5] in splitter.
2528 2001-03-07 Tom Tromey <tromey@redhat.com>
2530 * configure: Rebuilt.
2531 * configure.in: Allow config-lang.in to set `lang_requires' to list
2532 of other required languages.
2534 2001-03-07 Richard Henderson <rth@redhat.com>
2536 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2538 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2540 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2541 * fixinc/fixincl.x: Regenerated.
2543 2001-03-06 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2545 * Restore change that patch misapplied.
2546 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2547 (ix86_set_move_mem_attrs_1): Likewise.
2548 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2549 * config/i386/i386.md (movstrsi): Call it.
2551 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2553 * config/m68k/m68k.c (const_uint32_operand): Accept any
2554 const_int on a 32-bit host.
2556 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2558 * c-parse.in (yylexname): New function, split out of _yylex.
2559 (objc_rid_sans_at): New table.
2560 (init_reswords): Initialize it.
2561 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2562 retrieving the next token and checking it for significance as
2563 an ObjC keyword or string constant.
2565 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2566 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2568 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2569 to CPP_OSTRING.
2571 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2573 * objc/objc-act.c (init_objc): Set save_lang_status,
2574 restore_lang_status, and mark_lang_status.
2576 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2578 * cppinternals.texi: Update.
2580 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2582 * invoke.texi: Document __FAST_MATH__.
2584 2001-03-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2586 * function.c (purge_addressof_1): Change type of function
2587 purge_addressof_1 from boolean to int. Change local variable
2588 `result' to int, and false and true to 0 and 1, respectively.
2590 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2592 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2593 negative numbers.
2594 (___subdi3, ___adddi3): Use x instead of y as index register.
2595 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2596 (__memset, __memcpy): Likewise.
2597 (regs): Put the soft registers in bss for 68HC12.
2598 (abort): Use trap to abort for 68hc12.
2599 (__mulhi3, __mulhi32): Use emul for 68hc12.
2600 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2602 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2604 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2605 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2606 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2607 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2608 Set 68HC12 min offset to -65536.
2609 (print_operand): Put parenthesis arround the operand if it refers
2610 to a symbol having the same name as a register.
2611 (m68hc11_z_replacement): When z register is replaced by its
2612 equivalent soft register, force the insn to be re-recognized.
2613 (m68hc11_check_z_replacement): Fix the test when destination is
2614 the index register and z dies in the insn.
2615 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2617 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2619 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2620 costs according to processor variant.
2621 (m68hc11_shift_cost): New function to compute shift costs.
2622 (m68hc11_rtx_costs): Define costs according to processor variant.
2623 (m6811_cost): Costs for 68HC11.
2624 (m6812_cost): Costs for 68HC12.
2625 (COSTS_N_INSNS): Remove.
2627 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2628 (DEFAULT_RTX_COSTS): Remove.
2629 (CONST_COSTS): Define costs according to OUTER_CODE.
2630 (processor_costs): New struct to define costs.
2631 (m68hc11_cost): Pointer to current costs.
2633 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2635 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2636 and use m68hc11_notice_keep_cc when using leax/leay.
2637 (addhi3 split): Reject split if the insn is handled by
2638 leax/leay above.
2639 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2640 push must be handled in a special way if the source operand uses
2641 sp as index register.
2642 (m68hc11_notice_keep_cc): New function.
2643 (m68hc11_gen_movhi): Use it when an insn changes a register but
2644 not the flags.
2645 (m68hc11_gen_movqi): Fix move for 68HC12.
2646 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2648 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2650 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2651 and don't pass operands[0] to emit_library_call_value.
2653 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2655 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2656 (zero_extendsi split): Simplify and use (zero_extendhi).
2657 (*addhi3): Remove 'w' constraint since stack pointer is handled
2658 by (addhi3_sp).
2659 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2660 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2661 (*ashrhi3_const): Fix shift by 7.
2662 (*lshrsi3_const16): Fix template.
2663 (call, call_value): Fix constraint and predicate.
2665 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2667 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2668 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2669 (CC_REGNUM): Likewise.
2670 (*unnamed splits): Use above constants instead of hard coded numbers.
2671 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2672 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2673 (*return_16bit, *unnamed peepholes): Likewise.
2675 2001-03-03 Laurynas Biveinis <lauras@softhome.net>
2677 * gcc.c (convert_filename): Append executable suffix
2678 if NO_AUTO_EXE_SUFFIX is not defined.
2679 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2680 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2683 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2685 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2686 * c-parse.gperf, c-gperf.h: Delete.
2687 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
2688 by tromey)
2690 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2692 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2693 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2694 t_bool in declaration because pcc can't combine volatile with typedef
2695 types.
2697 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2699 * longlong.h (umul_ppmm): Don't use a multiline string.
2701 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2703 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2704 macro arguments when looking for the '('.
2705 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2706 2 when really parsing arguments; 1 when looking for '('.
2707 Always restore the lexer position.
2709 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2711 * cpplex.c (parse_string): Unconditionally pedwarn.
2713 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * cpp.texi: Update.
2716 * cppexp.c (parse_number): Update.
2717 * cpplex.c (parse_string): Pedwarn if multiline string does not
2718 result from a system header's macro.
2719 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2720 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2721 for function-like macros too.
2723 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2725 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2726 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2727 shifts.
2728 * c-format.c (C_STD_VER): Cast to int for comparisons.
2729 (check_function_format): Cast various enums to int for &.
2730 (maybe_read_dollar_number): Likewise.
2731 (check_format_info): Likewise.
2732 (check_format_info_main): Likewise.
2733 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2734 (safe_from_p): Likewise.
2735 * varasm.c (const_hash): Cast enum to int for %.
2736 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2737 pcc enum problems with < and ++ operators.
2738 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2739 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2740 (regclass_init): Change enum class to int to iterate over reg_classes.
2741 * genrecog.c (merge_trees): Cast enums for comparison.
2742 * rtl.h (GET_CODE): Cast to enum rtx_code.
2743 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2744 (GET_MODE): Cast to enum machine_mode.
2745 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2746 (GET_NOTE_INSN_NAME): Cast enum to int.
2747 * tree.h (TREE_CODE): Cast to enum tree_code.
2748 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2749 * simplify-rtx.c (hash_rtx): Cast enums to unsigned unt.
2750 * timevar.c (timevar_print): Change loop variable id from enum to
2751 unsigned int.
2752 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2753 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2754 * toplev.c (compile_file): Cast enum DFI to int.
2755 (decode_d_option): Likewise.
2757 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2759 * cppinit.c (append_include_chain): Mark "after" include file name list
2760 as a system directory.
2761 * cpp.texi: Document new behavior.
2763 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2765 * cpphash.h (struct cpp_reader): Add print_version field.
2766 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2767 just set print_version and other flags as appropriate.
2768 (cpp_post_options): Print version here if print_version is set.
2770 * toplev.c (exit_after_options): New flag.
2771 (independent_decode_option): Don't exit here; just set
2772 exit_after_options.
2773 (main): Exit after calling lang_hooks.post_options if
2774 exit_after_options is true.
2776 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2777 (merge_include_chains): Adjust comment to match code.
2779 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2781 * stringpool.c (set_identifier): New function.
2782 * tree.h: Prototype it.
2784 * c-parse.in: Kill D_YES. If compiled for objc, call
2785 save_and_forget_protocol_qualifiers from init_reswords.
2786 * objc/objc-act.c (remember_protocol_qualifiers,
2787 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2788 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2789 vice versa.
2790 (save_and_forget_protocol_qualifiers): New function.
2791 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2793 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2795 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2796 * cppexp.c (lex): Cast enums for comparison.
2797 * cppinit.c (parse_option): Cast enum for comparison.
2798 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2799 (cpp_output_token): Likewise.
2800 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2801 (cpp_avoid_paste): Cast enums for minus and comparison.
2803 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2805 * Makefile.in (resource.o): Add params.h dependence.
2806 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2807 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2808 * resource.c: Add dependence on params.h.
2809 (current_live_regs): Fix explanatory comment.
2810 (find_basic_block): Add new parameter to permit limiting search
2811 for a BARRIER.
2812 (mark_target_live_regs): Add new argument to find_basic_block call.
2813 (incr_ticks_for_insn): Likewise.
2815 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2817 * Makefile.in (reorg.o): Add params.h dependence.
2818 * params.def: Fix typographical error in comment.
2819 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2820 * params.h: Modify introductory comment.
2821 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2822 * reorg.c: Add dependence on params.h.
2823 (redundant_insn): Add parameterized throttle for search.
2824 (fill_simple_delay_slots): Add a comment explaining a variable.
2825 Move conditional out of loop, simplifying code.
2826 (fill_eager_delay_slots): Fix typographical error in comment.
2828 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2830 * Makefile.in (OBJS): Add params.o.
2832 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2834 * Makefile.in (toplev.o): Depend on params.h.
2835 (intergate.o): Likewise.
2836 (params.o): New target.
2837 * flags.h (inline_max_insns): Remove.
2838 * integrate.c: Include params.h.
2839 Use MAX_INLINE_INSNS instead of inline_max_insns.
2840 * params.c: New file.
2841 * params.h: Likewise.
2842 * params.def: Likewise.
2843 * toplev.c: Include params.h.
2844 (lang_independent_params): New variable.
2845 (decode_f_option): Use the param machinery instead of setting
2846 max_inline_insns.
2847 (independent_decode_option): Handle "--param name=value".
2848 (main): Register language-independent parameters.
2850 Thu Mar 1 09:44:15 2001 Jeffrey A Law (law@cygnus.com)
2852 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2853 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2855 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2856 before determining its register class.
2858 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2860 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2861 from reg 4 if current_function_calls_setjmp.
2862 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2864 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2865 code not to try to optimize adds with anything but a REG destination.
2867 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2868 (INSN_PRIORITY_KNOWN): New accessor macro.
2869 * haifa-sched.c (priority): Use it instead of testing priority against
2870 zero.
2872 2001-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
2874 * cppinit.c (builtin_array): Update.
2875 (init_builtins): Flag builtins to warn if redefined or
2876 undefined. Define __GXX_WEAK as a normal macro.
2877 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2878 * cpplib.h (NODE_WARN): New flag.
2879 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2880 Handle __STDC__ as a builtin only on Solaris.
2881 (warn_of_redefinition): Renamed from check_macro_definition.
2882 Reverse sense of test. Always warn if NODE_WARN.
2883 (_cpp_create_definition): Use warn_of_redefinition. Flag
2884 any macro beginning with "__STDC_" to require a mandatory
2885 warning if redefined or undefined.
2886 * cppinit.c (set_lang): Move builtin handling to...
2887 (init_builtins): ...here.
2888 (_cpp_create_reader): Move call to set_lang.
2889 * cppfiles.c (stack_include_file): Generate dependencies
2890 here, and manage include_count here too.
2891 (PRINT_THIS_DEP): Delete.
2892 (_cpp_execute_include): Do not generate dependencies here,
2893 apart from the case of a missing header. Do not manage
2894 include_count.
2895 (_cpp_read_file): Leave dependency generation to
2896 stack_include_file.
2897 * cppexp.c (parse_number): Similarly.
2898 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2899 * cppmacro.c (struct cpp_macro): New member node.
2900 (parse_args): Only warn about missing rest args if not
2901 a system macro.
2902 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2903 (cpp_sys_objmacro_p): New.
2904 (_cpp_create_definition): Store the node with the macro defn.
2905 Remember if the macro is defined in a system header.
2907 2001-02-28 Nathan Sidwell <nathan@codesourcery.com>
2909 * extend.texi (Deprecated Features): Deprecate float and
2910 complex template constant parms.
2912 Tue Feb 27 16:45:00 2001 Jeffrey A Law (law@cygnus.com)
2914 * pa.c (override_options): Promote -fpic to -fPIC.
2915 (legitimize_pic_address): Simplify due to removal of
2916 small PIC as a code generation option.
2917 (secondary_reload_class): Similarly.
2918 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2919 (PRINT_OPERAND_ADDRESS): Similarly.
2920 * pa.md (various patterns): Similarly.
2921 (small pic lo_sum pattern): Remove.
2923 2001-02-27 Andreas Jaeger <aj@suse.de>
2925 * configure.in: Document that --disable-checking is default.
2926 * configure: Regenerated.
2928 2001-02-27 Mark Mitchell <mark@codesourcery.com>
2930 * configure.in: Make --disable-checking the default.
2931 * configure: Regenerated.
2933 2001-02-26 Mark Mitchell <mark@codesourcery.com>
2935 Revert the two previous changes.
2937 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2939 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2940 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2941 * config/i386/i386.md (movstrsi): Handle FAIL case.
2943 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2945 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2946 (ix86_set_move_mem_attrs_1): Likewise.
2947 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2948 * config/i386/i386.md (movstrsi): Call it.
2950 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2952 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2953 used to set another biv.
2955 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2957 * errors.c (internal_error, trim_filename): New functions.
2958 (fancy_abort): Call internal_error.
2959 * errors.h (internal_error, trim_filename): New declarations.
2961 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2963 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2964 2000-08-26's patch.
2965 (EXTRA_CONSTRAINT): Formatting changes.
2967 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2969 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2971 2001-02-23 Per Bothner <per@bothner.com>
2973 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2974 so they can be called from java/jvspec.c.
2975 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2977 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2979 * diagnostic.c (trim_filename): No longer static.
2980 * toplev.h (trim_filename): Declare.
2981 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2982 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2983 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2984 (rtvec_check_failed_bounds): Likewise.
2985 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2987 * convert.c (convert_to_integer): Don't do unsigned unless result or
2988 both inputs are unsigned.
2990 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2991 input overflows.
2993 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2995 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2997 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2999 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3000 check if either operand is divisible by C.
3001 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3002 If type is signed, consider negative numbers as well.
3004 2001-02-22 Richard Henderson <rth@redhat.com>
3006 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3007 reach .text instead of gp-relative relocs.
3008 * config/ia64/crtend.asm (.init): Likewise.
3010 2001-02-22 Andreas Jaeger <aj@suse.de>
3012 * extend.texi (C++ Attributes): Fix typo.
3014 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3016 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3017 functions, drop current_function_args_info.words test.
3018 (ia64_compute_frame_size): Mark syscall_linkage functions as
3019 using eight input registers.
3021 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3022 Bruce Korb <bkorb@gnu.org>
3024 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3025 * fixinc/README: Document how to convert sed substitutions
3026 to format style c_fix-es.
3027 * fixinc/fixincl.x: regen
3029 2001-02-21 Bruce Korb <bkorb@gnu.org>
3030 Rodney Brown <RodneyBrown@mynd.com>
3032 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3033 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3034 machine restrictions
3035 * fixinc/fixincl.x: regen
3037 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3039 * cppfiles.c: Update comments.
3040 (_cpp_read_file): Don't check for NULL filenames any more.
3041 * cppinit.c (cpp_start_read): Don't do canonicalization of
3042 in_fname and out_fname. Use the passed file name exclusively.
3043 (_cpp_handle_options): Don't treat "-" as a command line option,
3044 but as a normal filename.
3045 (_cpp_post_options): Canonicalize in_fname and out_fname.
3046 * cppmain.c (printer_init): Don't check out_fname for NULL.
3047 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3048 (init_c_lex): Update, and use "" to represent stdin to CPP.
3049 (yyparse): Update.
3051 2001-02-21 Kazu Hirata <kazu@hxi.com>
3053 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3054 character.
3055 (xorsi3): Likewise.
3057 Wed Feb 21 19:16:26 CET 2001 Jan Hubicka <jh@suse.cz>
3059 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3061 2001-02-21 Jason Merrill <jason@redhat.com>
3063 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3064 (struct tree_decl): Add uninlinable bitfield.
3065 * c-decl.c (duplicate_decls): Set it.
3066 * integrate.c (function_cannot_inline_p): Check it.
3068 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3069 DW_AT_MIPS_linkage_name to abstract methods.
3070 (dwarf2out_abstract_function): Emit class context before calling
3071 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3072 (gen_subprogram_die): Remove obsolete code.
3073 (gen_member_die): Don't include clones in the member list.
3074 (gen_decl_die): Emit abstract info for clone origin.
3075 * dwarfout.c (output_type): Don't include clones in the member list.
3076 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3077 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3078 DECL_ABSTRACT on a function that already has it set.
3080 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3081 (get_subprogram_die): Pass it in.
3083 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3085 * flow.c (mark_set_1): Make not_dead unsigned long. For
3086 non-pseudos, use it as a bitmask of the hard regs that
3087 don't die.
3089 2001-02-20 Will Cohen <wcohen@redhat.com>
3091 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3092 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3093 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3094 fixunstfsi_libfunc.
3096 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3098 * stmt.c (expand_return): If an attempt is made to return the
3099 error_mar_node, treat the return like a return without a value.
3101 Mon Feb 19 20:24:50 2001 Jeffrey A Law (law@cygnus.com)
3103 * pa.c (move_operand): Accept code to load the address of a
3104 symbol out of the DLT as a valid move operand.
3105 (print_operand, case 'A'): New to handle generating a DLT
3106 reference for a LO_SUM expression.
3107 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3108 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3110 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3112 * README, cpp.texi, gcc.texi: Update version number to 3.0.
3113 * cpp.1, gcov.1, gcc.1: Regenerate.
3115 2001-02-19 Richard Henderson <rth@redhat.com>
3117 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3118 would be disrupted.
3120 Mon Feb 19 10:11:53 2001 Jeffrey A Law (law@cygnus.com)
3122 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3123 target_cpu_default. Remove dead assignment to
3124 target_cpu_default.
3126 Mon Feb 19 16:46:56 CET 2001 Jan Hubicka <jh@suse.cz>
3128 * regclass.c (contains_reg_of_mode): Make global.
3129 (init_reg_sets): Remove contains_reg_of_mode; take into account
3130 CLASS_MAX_NREGS when looking for the proper mode.
3131 (dump_regclass): Dump only classes considered for the pseudo.
3132 (regclass): Use contains_reg_of_mode.
3134 Mon Feb 19 16:40:45 CET 2001 Jan Hubicka <jh@suse.cz>
3136 * gcc.c (do_spec_1): 'n' for printing notices.
3137 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3139 Mon Feb 19 16:20:04 CET 2001 Jan Hubicka <jh@suse.cz>
3141 * reg-stack.c (next_flags_user): Use current_block->end
3142 (swap_rtx_condition): Look for next user if flags don't die;
3143 give up on CALL_INSNs; use current_block->end.
3145 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3147 * invoke.texi (-fsquangle): Remove documentation.
3148 (-fname-mangling-version): Likewise.
3150 2001-02-18 Kazu Hirata <kazu@hxi.com>
3152 * config/h8300/h8300.md: Update copyright.
3153 (andsi3): Do not output an extra newline character.
3155 Sun Feb 18 17:03:06 2001 Jeffrey A Law (law@cygnus.com)
3157 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3158 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3159 (mostlyclean): Corresponding changes.
3160 * rtlanal.c (hard-reg-set.h): Include.
3161 (rtx_unstable_p): Do not treat the argument pointer specially
3162 if it is not a fixed register.
3163 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3165 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3167 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3168 assignments from FP constants sonce 'Y' output code can't handle it.
3169 (eligible_for_sibcall_delay): Likewise.
3171 * invoke.texi (-I): Add note avoiding use for system header files.
3173 * final.c (output_operand_lossage): Use internal_error, not error.
3175 2001-02-18 Shane Nay <shane@agendacomputing.com>
3177 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3178 structure shift insns.
3180 2001-02-18 Richard Henderson <rth@redhat.com>
3182 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3184 * reload1.c (reload_cse_simplify_set): Fix typo.
3186 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3188 * diagnostic.c (_fatal_insn): Decrement errorcount.
3190 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3192 * pa.c (hppa_expand_prologue): Simplify code storing return
3193 pointer. For large (>=8k) frames with a post_store, adjust stack
3194 pointer by 8k-64 first rather than by 64. When testing with
3195 VAL_14_BITS_P, always use the actual value rather than the value
3196 negated. Add blockage to prevent scheduling of spills before
3197 stack frame has been created.
3198 (hppa_expand_epilogue): Simplify code loading return pointer.
3199 Allow a slightly larger range for merge_sp_adjust_with_load case.
3200 When testing with VAL_14_BITS_P, always use the actual value.
3202 * pa.c (pa_adjust_insn_length): Check that block move
3203 pattern is a set before looking at operands.
3205 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3207 * fold-const.c (fold_binary_op_with_conditional_arg): New
3208 function, split out from ...
3209 (fold): ... here.
3210 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3211 conditional arms that throw exceptions.
3213 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3214 looking at a BLOCK.
3216 2001-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3218 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3219 define HAVE_DECL_* to 1 to mask potential backup declarations.
3220 * configure: Regenerated.
3222 2001-02-17 Richard Henderson <rth@redhat.com>
3224 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3225 when replacing a memory load with a register.
3227 2001-02-17 Joseph S. Myers <jsm28@cam.ac.uk>
3229 * gcc.texi, invoke.texi: Link to GCC 3.0 version of
3230 c99status.html.
3232 2001-02-16 Richard Henderson <rth@redhat.com>
3233 DJ Delorie <dj@redhat.com>
3235 * jump.c (jump_optimize_1): When we delete a conditional jump
3236 preceeding a non-conditional jump to effectively the same place,
3237 make sure that the combined jump skips any clobber insns between
3238 the two labels.
3240 2001-02-16 Jason Merrill <jason@redhat.com>
3242 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3243 NULL.
3244 (gen_subprogram_die): Don't abort on seeing a second definition if
3245 the previous one was abstract. Don't replace an abstract instance
3246 in the lookup table.
3248 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3249 gen_abstract_function.
3250 * dwarf2out.h: Declare it.
3251 * toplev.c (note_outlining_of_inline_function): New fn.
3252 * toplev.h: Declare it.
3253 * integrate.c (output_inline_function): Call it.
3254 * c-decl.c (duplicate_decls): Call it when redefining an extern
3255 inline. Don't inline the new defn.
3257 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3259 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3261 * objc/objc-act.c (start_class): Register implemented_classes with
3262 GC.
3264 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3266 * cppfiles.c (_cpp_make_system_header): Generate a file
3267 change callback.
3269 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3271 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3273 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3274 do in memory.
3276 2001-02-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3278 * version.c: Bump to "3.0 20010215 (prerelease)".
3280 Thu Feb 15 15:15:29 2001 Alexandre Oliva <aoliva@redhat.com>
3282 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3284 Thu Feb 15 00:20:31 CET 2001 Jan Hubicka <jh@suse.cz>
3286 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3288 * invoke.texi (-mreg-alloc): Deprecate.
3290 2001-02-14 Richard Henderson <rth@redhat.com>
3292 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3294 Wed Feb 14 23:35:57 CET 2001 Jan Hubicka <jh@suse.cz>
3296 * regclass.c (init_reg_sets_1): Reinstall the optimization
3297 together with Matt Kraai's fix.
3299 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3301 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3303 2001-02-14 Richard Henderson <rth@redhat.com>
3305 * regclass.c (init_reg_sets_1): Revert last change.
3307 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
3309 * extend.texi (Deprecated): Deprecate new initializer lists.
3311 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
3313 * mkdeps.c (deps_add_default_target): Robustify. Add
3314 basename component only.
3315 * cpp.texi (-M): Describe how default target is generated.
3316 * invoke.texi (-M): Likewise.
3318 2001-02-13 Zack Weinberg <zack@wolery.stanford.edu>
3320 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3321 's' slots in RTXen.
3322 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3323 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3325 Wed Feb 14 01:03:14 CET 2001 Jan Hubicka <jh@suse.cz>
3327 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3328 arrays.
3330 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3332 * config/sparc/sparc.c (function_value): Treat all non-record
3333 aggregate types like used to treat UNION_TYPE.
3335 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3337 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3338 (try_combine): Use it.
3340 2001-02-13 Richard Henderson <rth@redhat.com>
3342 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3343 entire operator; replicate that and match_dup the operands.
3344 (cmp_ccx_arith_op_set): Likewise.
3345 (cmp_cc_arith_op_not_set): Likewise.
3346 (cmp_ccx_arith_op_not_set): Likewise.
3348 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3350 * c-common.c (constant_fits_type_p): New function.
3351 (convert_and_check): Use it.
3353 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3355 * Makefile.in (GXX_ABI_FLAG): Don't define.
3356 * configure.in (--enable-new-gxx-abi): Remove option.
3357 * config.in: Regenerated.
3358 * configure: Likewise.
3360 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3362 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3363 basic block.
3364 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3365 regular basic block, and arrange for all edges into it to switch
3366 to normal mode.
3368 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3370 * Makefile.in (distclean): Do not remove .gdbinit.
3372 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3374 * Makefile.in (gcc.o): Fix typos.
3375 (protize.o): Likewise.
3376 (unprotoize.o): Likewise.
3378 2001-02-11 Richard Henderson <rth@redhat.com>
3380 * tree.c (build1): Check for null operand in last change.
3382 2001-02-11 Richard Henderson <rth@redhat.com>
3384 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3385 (fold): Don't assume a constant isn't foldable.
3386 * tree.c (build): Set TREE_CONSTANT for an expression with no
3387 side-effects and constant operands.
3388 (build1): Likewise.
3390 2001-02-10 Richard Henderson <rth@redhat.com>
3392 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3394 2001-02-10 Anthony Green <green@redhat.com>
3396 * cpp.texi (Standard Predefined): Add documentation for
3397 __OPTIMIZE_SIZE__.
3399 * c-common.c (combine_strings): Improve warning message.
3401 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3403 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3404 --oformat.
3405 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3407 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3409 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3410 CYGWIN_CROSS_DIR.
3412 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3414 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3415 fp_mode attribute.
3417 2001-02-09 Nick Clifton <nickc@redhat.com>
3419 * config/arm/arm.md: Change output contraint on post inc
3420 load/store multiple patterns to be a read/write contraint.
3422 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3424 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3425 .o files when using the -M options.
3427 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3428 David Edelsohn <edelsohn@gnu.org>
3430 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3431 handle DImode constants. Use one TOC entry for SImode and smaller
3432 constants, aligned properly.
3434 2001-02-08 Jason Merrill <jason@redhat.com>
3436 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3437 about the SP adjustment for saving the static chain pointer.
3438 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3439 offset when setting a temporary CFA register.
3441 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3443 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3444 powerpc-*-chorusos* .
3445 * config/rs6000/chorus.h : New file.
3446 * config/i386/chorus.h : New file.
3447 * config/sparc/chorus.h : New file.
3448 * config/sparc/t-chorus-elf : New file.
3450 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3452 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3453 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3454 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3455 (__WCHAR_TYPE__): Correct macro name.
3457 2001-02-08 Richard Henderson <rth@redhat.com>
3459 * config/i386/i386.c (ix86_frame_pointer_required): New.
3460 (ix86_setup_frame_addresses): New.
3461 (struct machine_funciton): Add accesses_prev_frame.
3462 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3463 ix86_frame_pointer_required.
3464 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3465 (SETUP_FRAME_ADDRESSES): New.
3466 * config/i386/i386-protos.h: Update.
3467 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3468 from FRAME_POINTER_REQUIRED.
3469 * config/i386/svr3gas.h: Likewise.
3470 * config/i386/sysv3.h: Likewise.
3471 * config/i386/v3gas.h: Likewise.
3473 2001-02-08 Richard Henderson <rth@redhat.com>
3475 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3476 calculation of the number of integer registers required.
3477 (function_arg_record_value): Likewise.
3479 2001-02-08 Jason Merrill <jason@redhat.com>
3481 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3482 two. Print file and line with "confused" message.
3484 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3486 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3488 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3490 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3492 * final.c (cleanup_subreg_operands): The address of a MEM can
3493 contain SUBREGs.
3495 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3496 for asms, too.
3498 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3500 * gcc.texi (Incompatibilities): Update documentation of
3501 preprocessing numbers.
3503 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3505 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3507 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3509 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3511 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3512 * gcc.c (struct compiler): Add cpp_spec field.
3513 (input_file_compiler): New variable.
3514 (do_spec_1): Allow a particular compiler to handle `%C'
3515 specially.
3516 (main): Store the current compiler in input_file_compiler.
3517 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3519 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3521 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3522 * cppinit.c (cpp_create_reader): Initialize them.
3523 (append_include_chain): cxx_aware arg might be unused.
3524 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3525 keywords and give them their phase 7 meaning. Pedwarn about
3526 this unless '__bool_true_false_are_defined' is defined.
3528 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3530 * lcm.c (optimize_mode_switching): Emit mode_set before the
3531 JUMP_INSN of an abnormal edge.
3533 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3535 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3536 a scheduling barrier at the end.
3538 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3540 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3542 * config/sh/sh.md (reload_outsf): Removed.
3543 (movsf_ie): Introduce constraints for FPUL loads and stores.
3544 (reload_insf): Broaden the output constraint.
3546 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3547 defined.
3548 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3549 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3551 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3553 * final.c: Revert my previous changes.
3554 * output.h: Make profile_label_no extern.
3555 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3556 for generating label.
3558 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3560 * config/i386/djgpp.h: Add comments about standard paths.
3561 (MD_EXEC_PREFIX): Undefine before defining.
3562 (MD_STARTFILE_PREFIX): New.
3564 2001-01-30 Bruce Korb <bkorb@gnu.org>
3566 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3567 (load_file): do not rely on load_file_data() to close file pointer
3568 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3569 fixinc/inclhack.def(irix_limits_const): add test_text
3571 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3573 * cppexp.c (parse_defined): Improve diagnostics for invalid
3574 syntax.
3576 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3578 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3580 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3582 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3583 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3584 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3585 (rs6000_output_symbol_ref): New function.
3586 (output_toc): Use VTABLE_NAME_P.
3588 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3590 * print-tree.c (print_node, case PARM_DECL):
3591 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3593 * stor-layout.c (reference_types_internal): New variable.
3594 (internal_reference_types): New function.
3595 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3596 * tree.h (internal_reference_types): New declaration.
3598 * cse.c (find_best_addr): Fix typo in computing cost.
3600 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3602 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3603 and this is the sum of a pointer and a constant, we know the result
3604 did not overflow.
3605 (num_sign_bit_copies, case PLUS): Likewise.
3606 * explow.c (convert_memory_address): Remove opposite SUBREG.
3607 * function.c (instantiate_new_reg): New function (from common code).
3608 (instantiate_virtual_regs_1): Call it.
3609 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3610 if pointers sign- or zero-extend.
3611 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3612 If pointers extend unsigned, use inside of SUBREG.
3613 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3615 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3617 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3618 subdir of gcc_gxx_include_dir.
3619 (gcc_gxx_target_include_dir): Remove.
3621 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3623 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3624 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3625 a high-level description.
3627 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3629 * final.c: Move the declaration of profile_label_no to ...
3630 * output.h: ... here.
3631 * function.c (expand_function_start): Call PROFILE_HOOK.
3632 * config/rs6000/aix.h: Define PROFILE_HOOK.
3633 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3634 * config/rs6000/rs6000.c (output_profile_hook): Define.
3635 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3636 output_profile_hook.
3637 tm.texi : Explain new macro PROFILE_HOOK.
3639 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3641 * extend.texi (Extended Asm): Do not say that semicolon is always
3642 a valid line-breaking character for GNU assemblers. Use
3643 newline-tab as the most commonly supported syntax. Use
3644 newline-tab rather than semicolon in multi-insn examples.
3646 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3648 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3650 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3651 David Edelsohn <edelsohn@gnu.org>
3653 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3654 code for AIX, even without flag_pic.
3656 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3658 * c-typeck.c (common_type): push and pop binding level around
3659 calling common_type on function parameters.
3661 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3663 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3665 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3667 * config/mips/mips.c (override_options): Fix typo in last change.
3668 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3669 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3671 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3673 * invoke.texi (-fdump-class-layout): Document.
3674 (-fdump-translation-unit): Use `=' as filename separator.
3676 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3678 * Makefile.in (s-mlib): Don't build multilibs if
3679 --disable-multilib.
3680 (DRIVER_DEFINES): Adjust accordingly.
3681 (gcc.o): Likewise.
3682 (protoize.o): Likewise.
3683 (unprotoize.o): Likewise.
3684 * configure.in: Recognize --enable-multilib.
3686 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3688 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3690 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3691 * configure.in: Remove --enable-libstdcxx_v3 support.
3692 * configure: Regenerated.
3694 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3696 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3697 Call abort instead of fatal.
3698 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3699 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3700 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3701 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3702 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3703 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3705 * diagnostic.h (set_internal_error_function): Renamed.
3706 * toplev.h (internal_error): Renamed from fatal.
3707 (pfatal_with_name): Deleted.
3708 (fatal_io_error): Now has printf-style arguments.
3709 * diagnostic.c (pfatal_with_name): Deleted.
3710 (fatal_io_error): Rework to have args in printf-style.
3711 (set_internal_error_function): Renamed from set_fatal_function.
3712 (internal_error): Renamed from fatal.
3713 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3714 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3715 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3716 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3717 * flow.c (verify_flow_info): Likewise.
3718 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3719 * config/mips/mips.c (save_restore_insns): Likewise.
3721 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3722 * flow.c (verify_flow_info): Likewise.
3723 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3724 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3725 (avr_normalize_condition): Likewise.
3726 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3727 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3728 (limit_reload_class, double_reg_to_memory): Likewise.
3729 (print_operand_address, emit_1600_code_shift): Likewise.
3730 (gen_tst_reg, gen_compare_reg): Likewise.
3731 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3732 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3733 Deleted.
3734 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3736 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3737 * objc/objc-act.c (build_ivar_chain): Likewise.
3738 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3739 pfatal_with_name.
3740 * graph.c (clean_graph_dump_file): Likewise.
3741 * profile.c (init_branch_prob): Likewise.
3742 * objc/objc-act.c (objc_init): Likewise.
3744 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3745 * config/avr/avr.c (avr_override_options): Likewise.
3746 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3747 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3748 * config/h8300/h8300.c (h8300_init_once): Likewise.
3749 * config/mips/mips.c (override_options): Likewise.
3750 * config/i386/i386.c (override_options): Likewise, rework.
3751 * config/m68k/m68k.c (override_options): Likewise.
3753 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3754 instead of fatal.
3755 * config/mips/mips.c (print_operand): Likewise.
3756 * hash.c (hash_allocate): Don't check for failure returns from
3757 obstack functions that can't fail.
3758 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3759 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3760 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3761 (get_object_reference): Likewise.
3763 2001-02-04 Nick Clifton <nickc@redhat.com>
3765 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3766 StrongARM1110, 10TDMI, and 1020T.
3768 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3770 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3772 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3774 * config/sh/sh.md (movdf load split): Pass register number to
3775 FP_OR_XD_REGISTER_P.
3777 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3779 * cppinit.c (BC): New macro.
3780 (builtin_array): Add __GXX_WEAK__.
3781 * cpplib.h (builtin_type): Add BT_WEAK.
3782 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3783 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3784 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3786 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3788 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3790 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3792 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3793 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3795 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3797 * cpphash.h: Rename ALIGN _ALIGN.
3798 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3800 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3802 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3803 compilation environment.
3804 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3805 control over location of cygwin includes and libs.
3807 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3809 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3811 2001-02-02 lars brinkhoff <lars@nocrew.org>
3813 * md.texi (Standard Names): remove reference to spur.md.
3815 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3817 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3818 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3819 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3820 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3821 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3823 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3825 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3826 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3827 number before reload.
3828 (c4x_adjust_cost): Return zero before reload.
3829 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3830 split before reload.
3832 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3834 * c4x.c (c4x_hard_regno_rename_ok): New.
3835 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3836 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3838 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3840 * diagnostic.h: Add missing "extern" in all declarations.
3842 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3844 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3845 as for gcc_gxx_include_dir.
3847 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3849 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3851 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3853 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3854 label before alignment to be used as the braf base address.
3855 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3856 branches.
3857 (casesi_jump_2): Require at least TARGET_SH2.
3859 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3860 truncation to 32-bit doubles on -m3e and -m4-single-only.
3862 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3864 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3865 the default when building a shared object.
3866 (init_spec): Use it.
3867 * testsuite/lib/g++.exp: Include the directory where libgcc
3868 is located to the LD_LIBRARY_PATH list.
3869 * invoke.texi (-shared-libgcc): Document the cases in which
3870 GCC defaults to using the shared libgcc.
3872 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3874 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3875 unsigned is wide enough.
3876 (BITS_PER_SI): New.
3877 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3878 (si_to_float): Likewise.
3879 (float_to_si, float_to_usi): Use BITS_PER_SI.
3881 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3883 * dwarf2out.c: Added explanation of abbreviations.
3884 (def_cfa_1): Added comments listing DWARF2 instructions.
3885 (cfa_temp_reg): Removed in favor of cfa_temp.
3886 (cfa_temp_value): Removed in favor of cfa_temp.
3887 (cfa_temp): New global variable.
3888 (dwarf2out_frame_debug_expr): Added extensive introductory
3889 comments explaining the function's transformations. Revised to
3890 use cfa_temp. Added some rtx checking. Generalize IOR case.
3891 (dwarf2out_frame_debug): Revised to use cfa_temp.
3892 (output_aranges): Cast as "unsigned" to avoid warning.
3893 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3894 explain which instructions must be marked.
3896 2001-02-01 Richard Henderson <rth@redhat.com>
3898 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3899 new instruction.
3901 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3903 * config/sh/crt1.asm (main_k): Modified so that start calls
3904 ___setup_argv_and_call_main.
3906 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3908 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3909 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3910 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3911 * cppmacro.c (builtin_macro): Set builtin flags here.
3912 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3913 (replace_args): Clarify intent.
3914 (cpp_get_token): Macro expansion tokens get the saved flags.
3915 Update.
3916 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3917 check.
3919 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3921 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3922 2001-Jan-29.
3924 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3926 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3927 returns Pmode pseudo, but we need ptr_mode.
3928 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3929 Remove bogus conversions; use HOST_WIDE_INT for size.
3930 Don't use TARGET if wrong mode.
3932 * config/i386/i386.c (ix86_compute_frame_size): Allow
3933 stack_alignment_needed to be non-default even if size is zero.
3935 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3937 * (hppa_init_pic_save): Emit the pic offset table
3938 reg save after last_parm_insn.
3939 * pa.c (hppa_init_pic_save): New function.
3940 * pa.h (hppa_init_pic_save): Declare.
3941 * pa.md (call, call_value, sibcall, sibcall_value): Use
3942 the above instead of duplicated code.
3944 * pa.c (hppa_encode_label): Correct size of alloca buffer
3945 so we don't overrun it. Correct leading `*' case.
3946 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3947 need to handle `*@'.
3948 (FUNCTION_NAME_P): Likewise.
3950 2001-01-31 Richard Henderson <rth@redhat.com>
3952 * config.gcc (alpha-osf5): Use float-i128.h.
3954 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3955 * config/float-i32.h: Likewise.
3956 * config/float-i64.h: Likewise.
3957 * config/float-sh.h: Likewise.
3958 * config/float-sparc.h: Likewise.
3960 2001-01-31 DJ Delorie <dj@redhat.com>
3962 * expmed.c (extract_bit_field): allow non-integral modes if we
3963 want to extract a whole register from itself.
3965 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3967 * c-typeck.c (set_init_index): If first is equal to last, assume as
3968 if it was not a range at all.
3970 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3972 * config/fp-bit.c: Include tm.h.
3973 (float_to_si): Don't assume SImode is 32-bits wide.
3974 (float_to_usi): Likewise.
3976 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3978 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3979 incomplete type.
3980 (typename): Call pending_xref_error after parsing typed_typespecs.
3981 * c-decl.c (lookup_tag): Give error immediately rather than
3982 leaving it pending if the tag of the wrong type is in the same
3983 binding level.
3984 (xref_tag): Don't pedwarn for forward declarations of enum types
3985 here.
3986 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3987 and enum tags.
3989 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3991 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3993 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3995 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3996 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3998 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4000 * cpphash.h (struct cpp_reader): New saved_flags.
4001 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4002 to avoid a paste after a pasted token.
4004 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4006 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4007 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4008 Wtype_MIN instead of LONG_MIN.
4010 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4012 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4013 README file.
4014 * fixinc/fixincl.x: Regenerated.
4015 * fixinc/inclhack.def (irix_limits_const): New definition to
4016 convert "const" to "__const" in limits.h.
4018 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4020 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4022 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4024 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4025 when register dies in the insn.
4027 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4029 * diagnostic.c (fatal): Fix word wrap.
4031 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4033 * combine.c (try_combine): Fix SUBREG setting for
4034 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4036 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4038 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4039 comparison codes.
4041 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4043 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4044 is not NULL.
4045 * toplev.c (decode_W_option): Update warn_larger_than
4046 unconditionally for each processed switch.
4048 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4050 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4051 to NULL_RTX.
4052 (hppa_expand_prologue): Delete code to save pic offset table register
4053 in the function prologue.
4054 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4055 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4056 table register at the beginning of the function after the prologue.
4058 2001-01-29 lars brinkhoff <lars@nocrew.org>
4060 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4062 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4063 Jeff Law <law@redhat.com>
4065 * pa.md (return): Revise comment for trivial return.
4066 (return_internal): Non-trivial return pattern for non-PIC code.
4067 (return_internal_pic): Non-trivial return pattern for PIC code.
4068 It uses the PIC register to ensure it is restored after
4069 function calls.
4070 (epilogue): Generate appropriate return for PIC and non-PIC code.
4072 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4074 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4076 2001-01-29 DJ Delorie <dj@redhat.com>
4078 * combine.c (if_then_else_cond): Pass the correct mode to
4079 operand_subword() for constants.
4081 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4083 * config/i386/cygwin.h: Add w32api to include search. Search different
4084 directories in a cross-build environment.
4086 2001-11-29 Tim Josling <tej@melbpc.org.au>
4088 * tree.h (TYPE_STUB_DECL): Add documentation.
4090 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4092 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4093 (sdbout_field_types): Likwise. Fix use of host_integerp.
4095 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4097 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4098 cygwin.h.
4100 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4102 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4103 to use flag_gnu_linker.
4105 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4107 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4108 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4110 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4112 * tree.c, tree.h (build_parse_node): Remove; was identical to
4113 build_nt.
4114 * c-lang.c (start_cdtor), objc/objc-act.c
4115 (build_module_descriptor): Use build_nt instead of
4116 build_parse_node.
4118 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4120 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4121 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4122 not have any upper bits set.
4124 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4126 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4128 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4130 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4132 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4134 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4135 (integer_minus_one_node): Define.
4137 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4139 * Makefile.in (bootstrap2-lean): Fix typo.
4141 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4143 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4144 : Don't set fe_value.
4145 * cpplib.h (AVOID_LPASTE): New flag.
4146 (struct cpp_hashnode): Remove fe_value.
4147 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4148 * cppmacro.c (builtin_macro): Don't set flags here.
4149 (replace_args): Set AVOID_LPASTE flag on first token of an
4150 argument, and the token following it.
4151 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4152 macro expansion, and on the token following it. Do it for
4153 builtins too.
4154 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4156 2001-01-27 Richard Henderson <rth@redhat.com>
4158 * config/alpha/t-ieee: Remove multilibbing.
4159 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4161 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4163 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4165 * Makefile.in: Remove all dependencies on defaults.h.
4166 * builtins.c: Don't include defaults.h.
4167 * c-common.c: Likewise.
4168 * c-decl.c: Likewise.
4169 * c-pragma.c: Likewise.
4170 * c-typeck.c: Likewise.
4171 * combine.c: Likewise.
4172 * i386.c: Likewise.
4173 * frame-ia64.c: Likewise.
4174 * cppexp.c: Likewise.
4175 * crtstuff.c: Likewise.
4176 * dbxout.c: Likewise.
4177 * dwarf2out.c: Likewise.
4178 * dwarfout.c: Likewise.
4179 * emit-rtl.c: Likewise.
4180 * except.c: Likewise.
4181 * expr.c: Likewise.
4182 * final.c: Likewise.
4183 * frame-dwarf2.c: Likewise.
4184 * libgcc2.c: Likewise.
4185 * optabs.c: Likewise.
4186 * profile.c: Likewise.
4187 * sdbout.c: Likewise.
4188 * toplev.c: Likewise.
4189 * tradcif.y: Likewise.
4190 * tree.c: Likewise.
4191 * varasm.c: Likewise.
4193 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4195 * builtins.c (expand_builtin_fputs): Use size_one_node when
4196 transforming into fwrite.
4198 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4200 * extend.texi (Attribute Syntax): New section.
4202 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4204 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4205 they didn't need fixing.
4207 2001-01-27 Janis Johnson <janis@us.ibm.com>
4209 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4210 if appropriate.
4211 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4212 to remove macro definitions that are duplicated from elfos.h.
4214 2001-01-27 Richard Henderson <rth@redhat.com>
4216 * config/i386/sco5gas.h: Move ...
4217 * config/usegas.h: ... here.
4218 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4220 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4222 * c-typeck.c (struct constructor_stack): Add range_stack member.
4223 (really_start_incremental_init): Clear it.
4224 (push_init_level): Save constructor_range_stack and clear it if
4225 pushing explicit braces.
4226 (pop_init_level): abort if constructor_range_stack is non-zero at
4227 explicit closing brace. Restore saved constructor_range_stack if
4228 not implicit.
4230 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4232 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4233 into register was forced into memory.
4235 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4237 * Makefile.in: Remove uses of + before $(MAKE).
4239 2001-01-26 Richard Henderson <rth@redhat.com>
4241 * stmt.c (cost_table): Remove.
4242 (COST_TABLE, cost_table_initialized): New.
4243 (estimate_case_costs): Use the later instead of the former.
4244 (balance_case_nodes): Likewise.
4246 2001-01-26 Richard Henderson <rth@redhat.com>
4248 * alias.c (objects_must_conflict_p): Read-only slots may not
4249 conflict despite having the same type.
4251 2001-01-27 Michael Hayes <mhayes@redhat.com>
4253 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4254 int variable.
4255 (check_ext_dependant_givs): Initialise u_start_val and
4256 u_end_val.
4257 (load_mems): Make last_max_reg unsigned.
4258 (try_swap_copy_prop): Use INSN_P and initialise set.
4260 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4262 * README.AVR : Removed.
4264 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4266 * pa-64.h (text_section): Remove declaration.
4268 * pa.md (return_internal): Remove mode on PIC register use.
4270 2001-01-25 lars brinkhoff <lars@nocrew.org>
4272 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4273 ASM_CLOSE_PAREN): fix typos.
4275 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4277 * acconfig.h: Define `const' to the empty string if neither
4278 __STDC__ nor __cplusplus is defined.
4279 * config.in: Regenerated.
4281 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4283 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4284 * collect2.c (main): Delete importf. Add ".obj" file extension.
4285 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4286 (aix_std_libs): Add additional AIX libraries to skip.
4287 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4288 * config/rs6000/aix51.h: New file.
4290 2001-01-25 Michael Hayes <mhayes@redhat.com>
4292 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4293 (loop_insn_emit_before): No longer static.
4294 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4295 (loop_givs_rescan, load_mems): Likewise.
4296 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4297 (maybe_eliminate_biv_1):
4298 (move_movables): Replace emit_call_insn_before with
4299 loop_call_insn_hoist.
4300 * loop.h (loop_insn_emit_before): Add.
4301 * unroll.c (copy_loop_body): Replace emit_insn_before with
4302 loop_insn_emit_before.
4304 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4306 * diagnostic.c (fatal): Request preprocessed source.
4308 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4310 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4311 olddecl has argument types and newdecl has none, use the argument
4312 types from olddecl.
4314 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4316 * dwarf2out.c (prefix_of): New function. Determine longest common
4317 prefix of the two arguments. The units are whole path components.
4318 (output_file_names): When adding a new directory find the one entry
4319 with the longest common prefix already in the list. Artificially
4320 generate entry if there is none for this prefix.
4321 Fix test to check whether the zeroth directory entry is used.
4323 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4325 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4326 Changed all callers. Take it into account when deciding if a
4327 previously loaded value matches.
4329 2001-01-24 Richard Henderson <rth@redhat.com>
4331 * reload.c (find_reloads_subreg_address): Fail the substitution
4332 if the resulting address is insufficiently aligned.
4334 2001-01-24 DJ Delorie <dj@redhat.com>
4336 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4337 check the original operand's mode also.
4338 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4340 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4342 * c-parse.in (cast_expr): Move compound literals from here ...
4343 (primary): ... to here. Use standard terminology "compound
4344 literal" instead of "constructor expression".
4346 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4348 * gcc.1, cpp.1: Regenerate.
4350 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4352 * calls.c (emit_library_call_value_1): Memory slot for
4353 pass-by-reference argument should have the mode of the argument,
4354 not of the pointer to it.
4356 2001-01-24 Tom Tromey <tromey@redhat.com>
4358 * gcc.texi (G++ and GCC): Mention gcj manual.
4359 (Standards): Link to section of manual mentioning gcj/Java
4360 compatibility.
4362 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4364 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4365 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4366 * tradcpp.c (main): Add -imacros or -include'd dependencies
4367 for -M*.
4368 * cpp.texi (-M, -MM): Document -M -include behaviour.
4370 2001-01-24 Roger Collins <roger@ProProject.com>
4372 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4374 2001-01-24 Will Cohen <wcohen@redhat.com>
4376 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4377 whether registers are 32 bits or 64 bits in size.
4379 2001-01-24 Ben Elliston <bje@redhat.com>
4381 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4383 2001-01-24 Richard Henderson <rth@redhat.com>
4385 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4386 (builtin_longjmp): Use it instead of emit_indirect_jump.
4388 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4390 * bb-reorder.c (make_reorder_chain_1): Handle case where
4391 jump edge goes to the same block as the fallthru edge.
4393 2001-01-23 Jim Wilson <wilson@redhat.com>
4395 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4396 * frame.h (__ia64_personality_v1): Add prototype.
4397 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4398 prototype form. Add void * cast to first argument to personality
4399 call.
4400 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4401 (asctoe113): Likewise.
4402 * config/ia64/frame-ia64.c: Include eh-common.h.
4403 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4404 prototypes.
4405 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4406 to dump parameter.
4407 (itanium_split_issue): Add prototype.
4408 (gen_nop_type): Ifdef out.
4409 (find_best_packet): Initialize best_packet.
4410 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4411 result.
4412 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4413 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4414 (flushrs): Add explicit stop bit at end.
4415 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4416 trailing \ to >.
4418 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4420 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4421 of EH symbols.
4422 * libgcc2.c (__terminate_func): Make variable static.
4423 (__terminate_set_func): New function to set __terminate_func.
4424 * libgcc2.h (__terminate_func_ptr): New typedef.
4425 (__terminate_set_func): New function.
4427 2001-01-23 Richard Henderson <rth@redhat.com>
4429 * flow.c (init_propagate_block_info): Don't consider unchanging
4430 memories for dead frame store elimination.
4432 2001-01-23 Richard Henderson <rth@redhat.com>
4434 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4435 * defaults.h: ... here.
4437 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4439 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4441 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4443 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4445 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4447 * rs6000.h (rs6000_return_addr): Move prototype from here...
4448 * rs6000-protos.h (rs6000_return_addr): ...to here.
4449 (rs6000_init_expanders): Delete prototype.
4451 2001-01-23 Nick Clifton <nickc@redhat.com>
4453 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4454 (Spec Files): Document %B and %j and %. and %v3 and %M and
4455 %{S*&T} spec switches.
4457 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4459 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4461 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4462 Neil Booth <neil@daikokuya.demon.co.uk>
4464 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4465 Have -Werror make pedantic warnings errors, like the
4466 rest of GCC.
4468 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4470 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4472 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4474 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4475 * integrate.c (expand_inline_function): Initialize them.
4476 (subst_constants): If changing COMPARE so that both its arguments
4477 will be VOIDmode and the comparison mode will be lost, note
4478 compare_mode. Use the recorded compare_mode to optimize
4479 IF_THEN_ELSE.
4481 2001-01-23 Jason Merrill <jason@redhat.com>
4483 * dwarf2out.c (new_die): Use xcalloc.
4484 (output_die): Abort rather than emit a local reference to offset 0.
4486 2001-01-17 Andrew Haley <aph@redhat.com>
4488 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4489 of a saved register; return NULL instead.
4490 (copy_reg): Take a pointer to a source register rather than a
4491 frame_state.
4492 (next_stack_level): Remember the address in the stack frame of all
4493 saved registers.
4494 Use the saved register pointer array as the source of the CFA.
4495 (throw_helper): Rewrite. Unwind once rather than twice and keep
4496 track of saved registers as we go.
4498 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4500 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4501 * c4x.c (c4x_legitimize_reload_address): Remove.
4502 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4503 reload address for ldp(k) insn.
4505 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4507 * pa.md (return_internal): Add a USE of the PIC register to ensure
4508 it is restored after each call.
4509 (return expander): Corresponding changes.
4511 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4513 * rs6000.h (INIT_EXPANDERS): Delete.
4514 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4515 * rs6000.c (rs6000_override_options): Call *_machine_status from
4516 here...
4517 (rs6000_init_expanders): ...instead of here. Delete.
4518 (rs6000_mark_machine_status): New function.
4519 (rs6000_init_machine_status): Use xcalloc.
4520 (rs6000_return_addr): Generate RTX for the return address.
4521 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4522 (rs6000_stack_info): Use it.
4524 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4526 * gthr-win32.h: Include errno.h to get a declaration for
4527 EINVAL and _mingw.h if the target is mingw32.
4529 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4531 * cpp.texi: Correct typos.
4533 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4535 * explow.c (probe_stack_range): Ensure value passed to
4536 stack_check_libfunc is ptr_mode, not Pmode.
4538 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4540 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4541 case, don't use operand_subword to calculate a SUBREG that is
4542 wider than a word.
4544 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4546 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4548 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4549 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4550 valid. If not replace it by equivalent insns.
4552 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4554 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4555 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4556 (c4x_U_constraint, symbolic_address_operand): Likewise.
4557 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4558 memory.
4559 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4560 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4561 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4562 anulling slot because of silicon bug.
4563 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4565 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4567 * cppexp.c (parse_charconst): Change `mask' type to agree
4568 with parse_escape.
4570 2001-01-21 Richard Henderson <rth@redhat.com>
4572 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4573 pic_label_name in a linkonce section.
4575 2001-01-17 Philipp Thomas <pthomas@suse.de>
4577 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4578 found in libintl.
4579 * configure: Regenerate.
4581 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4583 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4584 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4586 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4588 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4589 If REVERSE nonzero then condition code in X must be reversed.
4590 (encode_section_info): Optimise if/else.
4591 (avr_function_value): Fix formatting.
4593 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4594 (difficult_branch): Likewise.
4595 (rvbranch): Likewise.
4596 (difficult_rvbranch): Likewise.
4598 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4600 * config/avr/libgcc.S: Fix comment.
4602 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4604 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4606 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4608 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4610 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4612 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4613 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4614 * configure, config.in: Regenerate.
4615 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4616 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4617 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4618 (doprint.o): New rule.
4620 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4622 * c-typeck.c (digest_init): Handle boolean types as scalars.
4624 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4626 * stmt.c (expand_return): Don't return anything if size is zero.
4627 Delete redundant assignment to BYTES.
4628 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4630 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4632 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4633 the same as the default library function names.
4634 * config/avr/avr.md: Document special characters after '%'.
4635 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4636 knowing which of the call-used registers are really clobbered.
4637 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4638 New. Both quotient and remainder from one libgcc.S call.
4639 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4640 clobber as few registers as possible.
4641 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4643 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4645 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4646 context of the top of the stack.
4648 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4650 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4651 (fixup_var_refs_insns): ...here.
4653 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4655 * function.c (fixup_var_refs_insns): Break up into
4656 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4657 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4658 [loop over hash table entries].
4659 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4660 fixup_var_refs_insns_with_hash, to match above changes.
4662 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4664 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4665 (libgcc.a): Likewise.
4666 (stmp-multilib): Likewise.
4667 (STAGE2_FLAGS_TO_PASS): Likewise.
4669 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4671 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4672 temporary if no_new_pseudos.
4674 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4676 * cppinternals.texi: Update.
4678 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4680 * arm.c (arm_init_builtins): Re-enable builtins.
4682 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4684 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4685 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4686 element to be null, and always expect an EXPR_LIST.
4687 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4688 * sched-deps.c (sched_analyze_1): Likewise.
4689 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4691 * regclass.c (max_set_parallel): New variable.
4692 (reg_scan): Take it into account in computation of max_parallel.
4693 (reg_scan_mark_refs, case SET): Compute it.
4695 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4696 args are REG.
4697 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4698 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4700 2001-01-19 Jason Merrill <jason@redhat.com>
4702 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4703 for the abstract instance of an inline function.
4705 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4706 J"orn Rennecke <amylaar@redhat.com>
4708 * reload1.c (move2add_note_store): Treat all registers directly or
4709 indirectly derived from a base register as members of the same set
4710 of values.
4711 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4712 of base register into account.
4714 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4716 * alias.c (find_base_value): Recognize TRUNCATE.
4717 (record_set): In PLUS case, invalidate if other summand is also a
4718 base value.
4720 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4722 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4723 entry to be EXPR_LIST.
4724 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4725 be an EXPR_LIST (but not null, which other code doesn't allow).
4726 (note_stores): Properly handle PARALLEL in SET.
4727 Recursively call for top-level PARALLEL.
4728 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4729 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4731 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4733 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4735 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4736 not pfile->skipping (== 0).
4738 2001-01-17 Nick Clifton <nickc@redhat.com>
4740 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4741 machine_status.
4743 2001-01-17 Jim Wilson <wilson@redhat.com>
4745 * invoke.texi (IA-64 options): Improve.
4747 2001-01-17 Tom Tromey <tromey@redhat.com>
4749 * invoke.texi (Optimize Options): Use `{}' to around @samp
4750 argument.
4752 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4754 * invoke.texi (-fno-guess-branch-probability): New option.
4756 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4758 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4759 case of making new double-word constant.
4760 Revert last change: instead just test i3_subst_into_i2.
4762 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4764 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4765 Use q constraints instead of r.
4767 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4769 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4770 (machine_function): Define.
4771 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4772 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4773 pa_free_machine_status): New functions.
4774 (override_options): Set {init,mark,free}_machine_status to above.
4775 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4776 PIC_OFFSET_TABLE_REGNUM_SAVED.
4777 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4778 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4779 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4780 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4781 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4783 2001-01-15 DJ Delorie <dj@redhat.com>
4785 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4786 (cpp.1): Ditto.
4787 (gcc.1): Ditto.
4789 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4791 * flow.c (propagate_on_insn): Make trying to delete a prologue
4792 or epilogue insn an ICE, not a warning. Allow doing this if
4793 the current function returns with stack pointer depressed.
4795 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4796 I3 having more than one SET.
4798 2001-01-16 Jim Wilson <wilson@redhat.com>
4800 * invoke.texi: Document IA-64 options.
4802 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4803 (fixup_errata): Delete TARGET_A_STEP use.
4804 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4805 (TARGET_SWITCHES): Delete -ma-step option.
4806 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4807 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4808 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4809 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4810 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4811 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4812 Delete.
4813 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4814 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4815 cmovsi_internal): Delete ! TARGET_A_STEP check.
4817 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4819 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4820 possibility to report bugs via postal mail. Change a URL and
4821 merge in a nearly duplicate statement...
4822 (Bug Reporting): ...from here.
4823 (Service): Refer to the Bug Reporting section instead of
4824 duplicating an URL.
4825 (Contributing): Remove trivial explanations concerning snapshots.
4827 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4829 * cppmain.c (general_init): Don't use ANSI prototype.
4831 2001-01-16 Tom Tromey <tromey@redhat.com>
4833 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4835 2001-01-16 Richard Henderson <rth@redhat.com>
4837 * config/i386/i386.h: Fix comment typo.
4838 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4839 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4841 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4843 * gcc.c: Revert previous -fsyntax-only-related change; move
4844 to cp/g++spec.c.
4846 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4848 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4849 inmode after checking GET_CODE (op).
4851 2001-01-16 Richard Henderson <rth@redhat.com>
4853 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4854 (MAX_MEM_SET_LIST_LEN): New.
4855 (propagate_one_insn): Update mem_set_list_len.
4856 (invalidate_mems_from_autoinc): Likewise.
4857 (invalidate_mems_from_set): Likewise.
4858 (mark_used_regs): Likewise.
4859 (init_propagate_block_info): Likewise. Stop collecting memories
4860 when we reach MAX_MEM_SET_LIST_LEN.
4861 (mark_set_1): Likewise.
4863 2001-01-16 Richard Henderson <rth@redhat.com>
4865 * unroll.c (precondition_loop_p): Fail if no iteration
4866 variable found.
4868 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4870 * gcc.c: When -fsyntax-only is given, do not complain about
4871 unused libraries.
4873 2001-01-15 Richard Henderson <rth@redhat.com>
4875 * config/i386/i386.c (asm_output_function_prefix): Remove.
4876 (ix86_asm_file_end): New.
4877 (load_pic_register): Generate pic_label_name into a
4878 staticly allocated buffer.
4879 * config/i386/i386-protos.h: Update.
4880 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4881 (ASM_FILE_END): New.
4882 * config/i386/i386afe.h: New file.
4883 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4884 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4885 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4886 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4887 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4888 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4889 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4891 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4893 * Makefile.in (install-man): Remove explicit dependency on
4894 $(srcdir)/gcc.1.
4896 * configure.in, configure: Revert previous patch requiring perl
4897 5.6.0.
4899 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4901 * toplev.c (flag_guess_branch_prob): New.
4902 (f_options): Add guess-branch-probability option.
4903 (rest_of_decl_compilation): Only estimate branch probability if
4904 flag set.
4905 (main): set flag_guess_branch_prob.
4907 * flags.h (flag_guess_branch_prob): New.
4909 2001-01-15 DJ Delorie <dj@redhat.com>
4911 * gcc.texi (Makefile): Add documentation for Makefile targets.
4913 2001-01-15 Philip Blundell <philb@gnu.org>
4915 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4916 (is_pic): Delete.
4917 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4918 (is_pic): Delete declaration.
4919 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4920 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4921 * config/arm/arm.md (builtin_setjmp_receiver): New.
4923 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4925 * arm.c (use_return_insn): Don't try to determine the function type
4926 until after reload has completed.
4927 (arm_output_epilogue): Don't adjust the sp value recovered from the
4928 stack.
4929 (emit_multi_reg_push): Don't record dwarf information for the pc.
4930 * arm.md (eh_epilogue): The function type may have changed, so it
4931 needs to be recalculated.
4932 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4933 unwind tables on arm/netbsd.
4935 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4937 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4938 (negated_cbranchsi4): Likewise.
4940 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4942 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4943 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4944 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4945 pass -mapcs-* options to assembler.
4946 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4947 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4948 (ASM_SPEC): Call subtarget_extra_asm_spec.
4950 2001-01-15 Andreas Jaeger <aj@suse.de>
4952 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4953 warnings.
4954 (ix86_expand_builtin): Likewise.
4956 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4957 warning about comparison between signed and unsigned.
4959 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4961 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4963 2001-01-14 Ralf Baechle <ralf@gnu.org>
4965 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4966 SUBTARGET_CPP_SPEC apropriatly.
4968 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4970 * varasm.c (make_decl_rtl): Fix typo in last change.
4972 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4974 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4975 linker supports the init_priority C++ attribute.
4976 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4977 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4978 linker does not support init_priority C++ attribute.
4980 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4982 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4984 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4986 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4987 * cp/lex.c (finish_parse): Similarly.
4988 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4989 Return the number of errors encountered.
4990 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4991 * cppmain.c (main): Don't call cpp_destroy.
4993 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4995 * configure.in: Require at least perl 5.6.0 to regenerate
4996 manpages.
4997 * configure: Regenerate.
4999 2001-01-14 Richard Henderson <rth@redhat.com>
5001 * genrecog.c (DT_veclen_ge): New.
5002 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5003 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5004 (nodes_identical_1): Handle DT_veclen_ge.
5005 (write_cond, debug_decision_2): Likewise.
5007 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5009 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5010 with ...
5011 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5013 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5015 * cppmain.c (do_preprocessing): New function; most of the old
5016 main.
5017 (main): Call it to do most of the work.
5018 (cb): Move from global scope to set_callbacks ().
5019 (setup_callbacks): Get the callback pointer.
5020 (general_init, printer_init): Clean up code and comments.
5022 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5024 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5025 compiling PIC.
5027 2001-01-14 Kazu Hirata <kazu@hxi.com>
5029 * config/h8300/h8300.c (get_shift_alg): Update comments.
5031 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5033 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5034 (alloc_page, ggc_alloc): Add casts to remove warnings.
5036 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5038 * combine.c (simplify_comparison): Don't change `code' when
5039 can't reverse comparison.
5041 2001-01-14 Richard Henderson <rth@redhat.com>
5043 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5044 update all call sites. Return true for all non-label constants.
5046 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5048 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5049 parameters.
5050 (ix86_expand_branch): Update.
5051 (ix86_expand_setcc): Update to handle multiple test conditions.
5052 (expand_int_movcc): Likewise.
5053 (expand_fp_movcc): Likewise.
5054 * i386-protos.h (ix86_expand_compare): New.
5055 * i386.md (andqi_?_slp, orqi_?_slp): New.
5056 (conditional trap expander): Update call to ix86_expand_compare.
5058 2001-01-14 Richard Henderson <rth@redhat.com>
5060 * config/vax/vax.md: Use nonimmediate_operand instead of
5061 general_operand in destinations.
5063 * config/vax/vax.md (indirect_jump): Use register_operand.
5065 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5066 * config/vax/vax.md (call_pop): Turn into an expander.
5067 (call_value_pop): Likewise.
5068 (call, call_value): New.
5070 2001-01-14 Andreas Jaeger <aj@suse.de>
5072 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5073 variables.
5074 (ix86_fp_compare_mode): Add unused attribute.
5075 (ix86_expand_fp_movcc): Remove unused variable.
5076 (ix86_expand_builtin): Make fcode unsigned.
5078 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5079 (expand_expr): Add cast to avoid signed warning.
5080 (store_field): Likewise.
5081 (store_constructor_field): Likewise.
5082 (store_constructor): Likewise.
5083 (store_expr): Likewise.
5084 (clear_storage): Likewise.
5085 (emit_group_store): Likewise.
5086 (emit_group_load): Likewise.
5088 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5090 * c-common.c: Move format checking code to ...
5091 * c-format.c: ... here. New file. Reorder some functions and
5092 declarations.
5093 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5094 New functions.
5095 * c-common.h (decl_handle_format_attribute,
5096 decl_handle_format_arg_attribute): Declare.
5097 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5098 (c-common.o): Adjust dependencies.
5099 (c-format.o): New list of dependencies.
5101 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5103 * unroll.c (loop_iterations): If we cannot prove iteration variable
5104 is set once in each iteration, punt.
5106 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5108 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5109 (*strlenhi): Remove clobber (which was buggy) of output address.
5111 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5113 * Makefile.in (generated-manpages): Add gcc.1
5114 ($(srcdir)/gcc.1): New target.
5115 (maintainer-clean): Delete $(srcdir)/gcc.1.
5116 * gcc.texi: Add macros @gccoptlist and @gol.
5117 * invoke.texi: Include option summary in manpage. Mark up option
5118 summary with @gccoptlist and @gol. Use @r in one place where
5119 appropriate.
5120 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5121 * gcc.1: Generate from invoke.texi.
5123 2001-01-13 Richard Henderson <rth@redhat.com>
5125 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5126 (struct page_entry): Add group member.
5127 (struct page_group): New.
5128 (struct globals): Add page_groups member.
5129 (alloc_anon): Only define for using mmap; remove valloc call.
5130 (page_group_index): New.
5131 (set_page_group_in_use): New.
5132 (clear_page_group_in_use): New.
5133 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5134 (free_page, release_pages): Likewise.
5135 * configure.in (with-gc): Default to ggc-page always.
5137 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5139 * reload1.c (replace_pseudos_in_call_usage): Use
5140 reg_equiv_constant and reg_equiv_address, and don't try
5141 regno_reg_rtx first.
5143 2001-01-13 Richard Henderson <rth@redhat.com>
5145 * ggc-page.c (alloc_page): Round up allocation size to one page.
5146 Set e->order on extra pages.
5148 2001-01-13 Richard Henderson <rth@redhat.com>
5150 * genrecog.c (nodes_identical): Expand commentary.
5151 (write_switch): Watch out for identical nodes.
5153 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5155 * cppfiles.c (_cpp_fake_include): New function.
5156 * cpphash.h (_cpp_fake_include): New.
5157 * cpplib.c (do_line): Call _cpp_fake_include when entering
5158 header files in preprocessed input.
5159 * cppmain.c (cb_pragma_implementation): Remove handling.
5160 (setup_callbacks): Don't register pragmas.
5162 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5164 * extend.texi: Udate for CPP.
5166 2001-01-13 Andreas Jaeger <aj@suse.de>
5168 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5170 * regmove.c: Add prototype for replace_in_call_usage.
5172 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5174 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5175 struct cpp_chunk, struct htab, struct toklist,
5176 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5177 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5178 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5179 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5180 (struct macro_args): Delete.
5181 * cpphash.h: See above.
5183 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5185 * cppmain.c (struct printer): Remove no_line_dirs.
5186 (options, cb): New.
5187 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5188 : Use options rather than CPP_OPTION.
5189 (setup_callbacks): Use cb rather than pfile->cb.
5190 (main): No need to check for a buffer. Use cpp_errors.
5191 (printer_init): Don't set no_line_dirs.
5192 (maybe_print_line): Use options not no_line_dirs.
5193 (cb_file_change): Don't call print_line if -P.
5195 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5197 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5198 callbacks.
5199 * c-parse.in (finish_parse): Use cpp_errors.
5200 (__yylex): Use return value of cpp_pop_buffer.
5201 * cp/lex.c (finish_parse): Use cpp_errors.
5202 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5204 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5206 * README.AVR: URLs corrected.
5208 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5210 * c-decl.c (start_function): Don't warn if old prototype is builtin
5211 that's not in C's namespace.
5212 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5213 (_bb): Add prototype for ctime.
5214 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5216 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5218 * i386.c (ix86_fp_comparison_arithmetics_cost,
5219 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5220 ix86_fp_comparison_cost): New functions.
5221 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5222 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5223 two-branch sequences; make static.
5224 (ix86_use_fcomi_compare): Do decision according to the costs.
5225 (split_fp_branch): New.
5226 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5227 * i386-protos.h (ix86_expand_fp_compare): Remove
5228 (ix86_split_fp_branch): Declare.
5230 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5231 and ix86_comparison_operator.
5233 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5234 to make it cheaper.
5236 * i386.c (put_condition_code): Output properly the unordered/ordered
5237 compares in fp case.
5238 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5240 * tm.texi (REVERSE_CONDITION): Document.
5241 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5242 in -ffast-math mode.
5243 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5245 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5247 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5249 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5250 optimized away.
5252 * config/sh/sh.c (mova_p): Fix test for mova_const.
5254 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5256 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5257 cpp_get_options rather than dereferencing pfile and using
5258 CPP_OPTION.
5259 * scan-decls.c (scan_decls): Use return value of
5260 cpp_pop_buffer rather than CPP_BUFFER.
5262 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5264 * cppinit.c (cpp_handle_option): help_only is now part of the
5265 cpp_options structure.
5266 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5267 cpp_set_callbacks): New functions.
5268 * cpplib.h (cpp_callbacks): Break out as a named structure.
5269 (cpp_options): Move help_only here from cpp_reader.
5270 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5271 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5272 cpp_set_callbacks): New prototypes.
5273 * cppmain.c (main): Update for help_only.
5275 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5277 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5278 Also build and remove and install and uninstall c-tree.info and
5279 cppinternals.info.
5280 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5281 ($(srcdir)/cppinternals.info): New target.
5282 * c-tree.texi: Change file name used when makeinfo used without -o
5283 from ir.info to c-tree.info. Add info directory entry.
5284 * cppinternals.texi: Add info directory entry.
5285 * .cvsignore: Update.
5287 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5289 * c-typeck.c (store_init_value): Don't require constant initializer
5290 elements with -pedantic -std=c99.
5291 (digest_init): Change error about non-constant initializer elements
5292 into pedwarn.
5293 (constructor_range_end): Remove.
5294 (constructor_incremental, designator_depth,
5295 designator_errorneous): New variables.
5296 (struct constructor_stack): Remove range_end, add incremental.
5297 (struct constructor_range_stack, constructor_range_stack): New.
5298 (struct initializer_stack): Add constructor_range_stack.
5299 (finish_init): Set it.
5300 (start_init): Likewise. require_constant_elements for non-static
5301 trees only if not flag_isoc99.
5302 (really_start_incremental_init): Remove constructor_range_end, add
5303 constructor_incremental.
5304 (pop_init_level): Likewise.
5305 (push_init_level): Likewise. If implicit and the subobject had some
5306 value set already, preinitialize the level with it.
5307 Warn about missing braces only if not pushing due to designators.
5308 (set_designator, push_range_stack): New functions.
5309 (set_init_label): Use them.
5310 (set_init_index): Likewise. Remove constructor_range_end.
5311 Error if designator index is outside of array bounds.
5312 (add_pending_init): Compare values of purpose index trees, not the
5313 trees themselves. Allow overwriting of already initialized element.
5314 Issue a warning if it had side-effects.
5315 (set_nonincremental_init, set_nonincremental_init_from_string): New
5316 functions.
5317 (pending_init_member): Rename to...
5318 (find_init_member): ...this function. Call set_nonincremental_init
5319 if necessary. Compare values of purpose index trees, not the trees
5320 themselves. Return the actual value, not just non-zero if something
5321 is found.
5322 (output_init_element): Remove checks for duplicates.
5323 If field has zero size, only check the initializer for correctness.
5324 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5325 if constructor_incremental is zero. Change error about initializers
5326 not computable at load time into pedwarn.
5327 (output_pending_init_elements): Compare bit positions, not
5328 FIELD_DECLs to take into account zero-sized fields.
5329 (process_init_element): Use constructor_range_stack to fill all
5330 ranges in the designator lists from current level up.
5331 * extend.texi: Update documentation for labeled elements.
5333 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5335 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5336 to function usage for arguments passed by reference. Optimize
5337 callee-copied arguments.
5338 * regmove.c (replace_in_call_usage): New function.
5339 (fixup_match_1): Call it.
5340 * cse.c (cse_insn): Canonicalize registers in function usage.
5341 * reload1.c (replace_pseudos_in_call_usage): New function.
5342 (reload): Call it.
5344 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5345 right version.
5347 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5349 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5350 not XEXP (tmp, 0).
5352 2001-01-12 DJ Delorie <dj@redhat.com>
5354 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5355 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5356 targets.
5358 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5360 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5361 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5362 -std options alongside references to -ansi. Update some
5363 documentation for C99.
5364 * cpp.1: Regenerate.
5366 2001-01-12 Andreas Jaeger <aj@suse.de>
5368 * haifa-sched.c (restore_line_notes): Remove argument block B
5369 since it's unused.
5370 * sched-ebb.c (schedule_ebb): Change caller.
5371 * sched-rgn.c (schedule_region): Likewise.
5372 * sched-int.h (restore_line_notes): Adjust prototype.
5374 * loop.h: Remove wrong declaration of doloop_condition_get.
5376 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5378 * extend.texi: Move C++-extension-related node from the C section
5379 into the C++ section.
5381 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5383 * extend.texi: Refer to an array of pointers to functions instead
5384 of one of functions.
5386 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5387 Jan Hubicka <jh@suse.cz>
5389 * combine.c (reversed_comparison): Fix typo in last patch.
5390 Check X for NULL.
5391 (combine_reversed_comparison_code): Make static to follow
5392 prototype declaration.
5394 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5396 * install.texi: Remove misplaced duplicate entry.
5398 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5400 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5402 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5404 * final.c: (leaf_function_p): Fix typo.
5406 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5408 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5409 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5410 which you have.
5411 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5412 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5413 mmap_anon, and valloc is available.
5414 * ggc-page.c: Restructure ifdef logic to match new autoconf
5415 spec. Don't throw away the test page in init_ggc.
5417 * configure, config.in: Regenerate.
5419 2001-01-12 Michael Hayes <mhayes@redhat.com>
5421 * loop.h (total_biv_increment): Constify iv_class pointer.
5422 (struct induction): Replace `mem_mode' with `mem' rtx.
5423 * unroll.c (total_biv_increment): Constify iv_class pointer.
5424 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5425 (find_mem_givs, combine_givs_p): Likewise.
5426 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5428 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5430 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5431 LastError.
5432 (__gthread_getspecific): Ditto.
5434 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5436 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5437 put_condition_code): Convert fp comparison codes to integer
5438 before handling.
5439 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5440 to final.
5442 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5443 * i386-protos.h (no_comparison_operator): Kill.
5445 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5447 * combine.c (REVERSIBLE_CC_MODE): Remove.
5448 (reversible_comparison_p): Remove.
5449 (combine_reversed_comparison_code): New.
5450 (reversed_comparison): New.
5451 (combine_simplify_rtx): Use
5452 combine_reversed_comparison_code/reversed_comparison instead
5453 of reversible_comparison_p.
5454 (simplify_if_then_else): Likewise.
5455 (simplify_set): Likewise.
5456 (simplify_logical): Likewise.
5457 (if_then_else_cond): Likewise.
5458 (known_cond): Likewise.
5459 (simplify_comparison): Likewise.
5461 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5463 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5464 sizeof (int) is larger than sizeof(__word__).
5466 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5468 * cppinit.c (do_includes): Fix typo.
5470 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5472 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5473 in S_REGS does not occur because not all sources are possible
5474 when a S_REGS is a destination (sometimes needs a clobber).
5475 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5476 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5477 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5478 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5479 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5480 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5481 (lshrdi_const1, lshrsi3_const16): Likewise.
5482 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5483 (*movhi_68hc12, *movqi_68hc12): Likewise.
5484 (movstrictqi): Make sure reloading in D_REGS as a destination
5485 does not happen.
5487 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5489 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5491 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5493 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5494 -D, -U and -A, and don't initialize the builtins.
5495 (do_includes): Error if -include or -imacros with -fpreprocessed.
5496 * cppmain.c (cb_define, cb_undef): Unconditionally process
5497 the callback.
5498 * tradcpp.c (main): Fix typo.
5500 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5502 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5503 (read_name_map): Use IS_ABSOLUTE_PATH.
5504 * tradcpp.c (get_filename): Likewise.
5506 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5508 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5509 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5510 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5511 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5512 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5513 (cmphi_z_used): Don't use '@' for the output.
5514 (tstqi_z_used): Likewise.
5515 (cmpqi_z_used): Likewise.
5516 (one_cmplsi2): Likewise.
5518 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5520 * config/sh/sh.c (barrier_align): Recognize branch around far
5521 branch and redundant insn.
5523 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5525 * invoke.texi: Restore documentation of the drivers' switches -MD
5526 and -MMD.
5528 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5530 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5532 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5533 check-objc//%): Support parallel testing of multilibs.
5534 (TESTSUITEDIR): Set to testsuite by default, but override for
5535 parallel testing.
5536 (check-gcc, check-g++, check-g77, check-objc): Enter
5537 $(TESTSUITEDIR).
5539 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5541 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5542 * sched-deps.c (deps_may_trap_p): Likewise.
5543 * basic-block.h: Remove a comment.
5544 * flow.c (PROP_POSTRELOAD): Remove.
5545 (update_life_info): Don't add it to prop_flags.
5546 (mark_set_1): Lose the code that was enabled by it.
5548 2001-01-11 Michael Hayes <mhayes@redhat.com>
5550 * flow.c (flow_call_edges_add): New.
5551 * basic_block.h (flow_call_edges_add): New.
5553 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5555 * reload1.c (move2add_note_store): Update reg_set_luid even if
5556 base reg remains the same.
5558 2001-01-10 Nick Clifton <nickc@redhat.com>
5560 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5561 machine_function structure to zero.
5562 Add prototypes for machine_status functions.
5564 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5566 * c-common.h (CTI_VOID_LIST): Remove.
5567 (void_list_node): Likewise.
5568 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5569 (void_list_node): New macro.
5570 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5571 * config/i386/i386.c (ix86_init_builtins): Likewise.
5572 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5574 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5576 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5577 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5578 if statement.
5579 * tradcpp.c: Include mkdeps.h.
5580 (deps, print_deps_phony_targets, deps_append, output_deps,
5581 init_dependency_output, output_deps): New.
5582 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5583 deps_output): Delete.
5584 (print_deps_missing_files): Rename deps_missing_files.
5585 (inhibit_output): Make global.
5586 (main): Delete inhibit_output, deps_stream, deps_target.
5587 Use mkdeps functionality in the same way as cpplib. Remove
5588 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5589 -M and -MM. Remove old handling of deps via deps_out, and
5590 old reading of environment variables.
5591 (get_filename): Update to use deps_add_dep.
5593 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5595 * output.h (make_function_rtl): Remove prototype.
5596 (make_decl_rtl): Likewise.
5597 * varasm.c (make_function_rtl): Remove.
5598 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5599 than from a third parameter.
5600 * tree.h (make_decl_rtl): Remove last parameter.
5601 * c-decl.c (builtin_function): Remove last argument in call to
5602 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5603 (start_function): Likewise.
5604 * except.c (call_get_eh_context): Likewise.
5605 * expr.c (emit_block_move): Likewise.
5606 (clear_storage): Likewise.
5607 * profile.c (output_func_start_profiler): Likewise.
5608 * toplev.c (rest_of_decl_compilation): Likewise.
5609 * objc/objc-act.c (create_builtin_decl): Likewise.
5610 (synth_module_prologue): Likewise.
5611 (generate_static_reference): Likewise.
5612 (build_selector_reference_decl): Likewise.
5613 (build_class_reference_decl): Likewise.
5614 (build_objc_string_decl): Likewise.
5615 (build_protocol_reference): Likewise.
5617 2001-01-10 Richard Henderson <rth@redhat.com>
5619 * hwint.h: Revert yesterday's change.
5621 2001-01-10 Nick Clifton <nickc@redhat.com>
5623 * function.h (save_machine_status): Delete.
5624 (restore_machine_status): Delete.
5625 Amend comment describing {init|mark|free}_machine_status.
5627 * function.c (save_machine_status): Delete.
5628 (restore_machine_status): Delete.
5629 Amend comment describing {init|mark|free}_machine_status.
5630 (push_function_context_to): Remove invocation of
5631 save_machine_status.
5632 (pop_function_context_from): Remove invocation of
5633 restore_machine_status.
5635 * emit-rtl.c (init_emit_once): Amend comment describing
5636 {init|mark|free}_machine_status.
5638 * tm.texi (Per-Function Data): New node. Describe the
5639 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5640 function pointers.
5642 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5644 * cppinit.c (OPT_g): Remove.
5645 (cpp_handle_option): Update for removed -g3.
5646 (print_help): Update.
5647 * cpplib.h (struct cpp_options): Remove debug_output.
5648 * cppmain.c (setup_callbacks, cb_define): Update.
5649 * gcc.c (cpp_options): Translate -g3 to -dD.
5651 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5653 * config/i960/i960.md: Change modifier to + on the zero_extract
5654 pattern after the (rotate -2 reg) canonicalization pattern.
5656 2001-01-10 Richard Henderson <rth@redhat.com>
5658 * config/alpha/alpha.c (alpha_free_machine_status): New.
5659 (override_options): Install it.
5660 (alpha_mark_machine_status): Verify machine non-null.
5661 * config/i386/i386.c (ix86_free_machine_status): New.
5662 (override_options): Install it.
5663 (ix86_init_machine_status): Use xcalloc.
5664 (ix86_mark_machine_status): Verify machine non-null.
5665 * config/ia64/ia64.c (ia64_free_machine_status): New.
5666 (ia64_override_options): Install it.
5667 (ia64_mark_machine_status): Verify machine non-null.
5669 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5671 * function.c (instantiate_virtual_regs): Instantiate virtual
5672 registers found in CALL_INSN_FUNCTION_USAGE.
5674 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5676 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5677 equivalent to -ansi in disabling -Di386.
5679 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5681 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5682 new functions.
5683 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5685 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5687 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5689 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5691 * invoke.texi: Document that -fcond-mismatch isn't supported for
5692 C++.
5694 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5696 * gcc.texi: Define macro gcctabopt.
5697 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5698 @command, @env and @option in some places where appropriate. Use
5699 @gcctabopt where appropriate. Put URLs and email addresses inside
5700 @w.
5702 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5704 * gcc.c (cpp_options): Set MD file name from output
5705 filename, if specified.
5706 (suffix_subst): New static variable.
5707 (do_spec): Clear it.
5708 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5709 Clear it.
5710 (give_switch): Handle suffix_subst.
5712 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5714 * invoke.texi: Fix another typo.
5716 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5718 * invoke.texi: Fix typo.
5720 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5722 * c-lang.c (lang_hooks): Update.
5723 (lang_decode_option): Remove.
5724 (lang_init_options): Rename c_init_options.
5725 * toplev.c (main): Use lang_hooks for lang_init_options
5726 and lang_decode_option.
5727 * toplev.h (lang_hooks): Add 2 new hooks.
5728 * tree.h: Remove lang_init_options and lang_decode_option.
5729 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5730 * cp/decl2.c: Similarly.
5731 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5732 (lang_hooks): Update.
5733 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5734 for consistency.
5735 (lang_init_options): Rename ffe_init_options.
5736 (lang_hooks): Update.
5737 (lang_decode_option): Remove.
5738 * java/lang.c (lang_init_options): Rename java_init_options.
5739 (lang_decode_option): Rename java_decode_option.
5740 (lang_hooks): Update.
5741 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5742 (lang_decode_option): Rename objc_decode_option.
5743 (lang_hooks): Update.
5745 2001-01-09 Nick Clifton <nickc@redhat.com>
5747 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5748 (d30v_return_addr_rtx): Delete.
5749 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5750 cfun->machine structure.
5751 (struct machine_function): Move to d30v.h
5752 (d30v_save_machine_status): Delete.
5753 (d30v_restore_machine_status): Delete.
5754 (d30v_init_machine_status): New Function.
5755 (d30v_mark_machine_status): New Function.
5756 (d30v_free_machine_status): New Function.
5757 (d30v_init_expanders): Use new functions.
5758 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5759 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5760 d30v_return_addr_rtx.
5762 * config/d30v/d30v.h (struct_machine): Move here.
5763 Add eh_epilogue_sp_ofs field.
5765 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5766 field in cfun->machine structure.
5768 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5770 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5771 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5772 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5774 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5776 * objc/lang-options.h: Remove bogus reference to
5777 Java trademark.
5779 2001-01-09 Kazu Hirata <kazu@hxi.com>
5781 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5782 return the result.
5784 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5786 * reload.c (find_reloads_address): Check for eliminable registers
5787 when substituting a constant expression for a pseudo.
5789 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5791 * c-common.c (enum format_type): Add format_type_error.
5792 (decode_format_type): New function.
5793 (decl_attributes): Use it.
5794 (format_kind_info): Adjust comment.
5796 2001-01-09 David O'Brien <obrien@BSDi.com>
5798 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5799 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5800 files in tm_file.
5801 * config/i386/gnu.h: Don't include required platform specific .h files,
5802 tm.h will do it instead.
5803 * config/i386/i386elf.h: Likewise.
5804 * config/i386/linux.h: Likewise.
5805 * config/i386/moss.h: Likewise.
5806 * config/mips/gnu.h: Likewise.
5808 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5810 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5811 (rs6000-ibm-aix3.[01]*): Likewise.
5812 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5813 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5814 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5815 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5816 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5817 (powerpc-*-eabiaix*): Likewise.
5818 (powerpc-*-eabisim*): Likewise.
5819 (powerpc-*-elf*): Likewise.
5820 (powerpc-*-eabi*): Likewise.
5821 (powerpc-*-rtems*): Likewise.
5822 (powerpc-*-linux*libc1): Likewise.
5823 (powerpc-*-linux*): Likewise.
5824 (powerpc-wrs-vxworks*): Likewise.
5825 (powerpcle-wrs-vxworks*): Likewise.
5826 (powerpcle-*-sysv*): Likewise.
5827 (powerpcle-*-elf*): Likewise.
5828 (powerpcle-*-eabisim*): Likewise.
5829 (powerpcle-*-eabi*): Likewise.
5830 (powerpcle-*-solaris2*): Likewise.
5831 * config/rs6000/aix31.h: Delete includes.
5832 * config/rs6000/aix3newas.h: Likewise.
5833 * config/rs6000/aix41.h: Likewise.
5834 * config/rs6000/aix43.h: Likewise.
5835 * config/rs6000/beos.h: Likewise.
5836 * config/rs6000/rtems.h: Likewise.
5837 * config/rs6000/sysv4.h: Likewise.
5839 2001-01-09 Kazu Hirata <kazu@hxi.com>
5841 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5842 Change an argument mode of machine_mode to shift_mode of
5843 shift_mode. Remove an extra error check.
5844 (emit_a_shift): Adopt to the new calling prototype of
5845 get_shift_alg.
5846 (function_prologue): Fix code for a monitor
5847 function. Support H8/S.
5848 (function_epilogue): Do not output pop for a monitor function.
5850 2001-01-09 Nick Clifton <nickc@redhat.com>
5852 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5853 (setup_incoming_varargs): Use sysv_varargs_p field of the
5854 cfun->machine structure.
5855 (struct machine_function): Move to rs6000.h
5856 (rs6000_save_machine_status): Delete.
5857 (rs6000_restore_machine_status): Delete.
5858 (rs6000_init_machine_status): New Function.
5859 (rs6000_free_machine_status): New Function.
5860 (rs6000_init_expanders): Use new functions.
5862 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5863 export.
5864 (struct machine_function): Move here.
5866 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5867 sysv_varargs_p field of the cfun->machine structure.
5869 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5870 Remove prototype.
5871 (rs6000_restore_machine_status): Remove prototype.
5873 2001-01-09 Richard Henderson <rth@redhat.com>
5875 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5876 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5877 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5878 (sched_analyze_2, sched_analyze_insn): Likewise.
5879 (sched_analyze, init_deps): Likewise.
5880 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5881 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5882 (compute_block_backward_dependences): Update propagate_deps call.
5884 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5886 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5888 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5890 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5891 (cpp_handle_option): Handle them.
5892 (cpp_post_options): Ensure one of -M or -MM is specified with
5893 any other -M? option.
5894 (init_dependency_output): Suppress output with -MG.
5896 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5898 * cpp.texi: Update.
5899 * invoke.texi: Update.
5901 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5903 * sh.md (reload_outsf): Generate recognizable patterns for
5904 TARGET_SH3E.
5906 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5908 * c-lang.c (lang_hooks): Update.
5909 (lang_init): Rename c_init.
5910 (lang_finish): Remove.
5911 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5912 and lang_finish ().
5913 * toplev.h (lang_hooks): Add init () and finish ().
5914 * tree.h (lang_init, lang_finish): Remove.
5915 * cp/tree.h (lang_init, lang_finish): Remove.
5916 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5917 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5918 lang_hooks): New.
5919 (lang_init, lang_finish): Remove.
5920 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5921 (lang_hooks): Update.
5922 * java/lang.c (lang_init): Rename java_init.
5923 (lang_finish): Remove.
5924 (lang_hooks): Update.
5925 * objc/objc-act.c (lang_init): Rename objc_init.
5926 (lang_finish): Remove.
5927 (lang_hoooks): Update.
5929 20001-01-09 Graham Stott <grahams@redhat.com>
5931 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5932 after `ptr` is initialised.
5934 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5936 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5937 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5938 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5939 stack adjusts, instead of r3.
5941 2001-01-09 Michael Hayes <mhayes@redhat.com>
5943 * flow.c (flow_loop_scan): Break out of ...
5944 (flow_loops_find) ... here.
5945 * basic-block.h (flow_loop_scan): New.
5946 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5947 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5949 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5951 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5952 macro_buffer_len.
5953 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5954 realloc()ing macro_buffer.
5956 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5957 if it's wider than long and the target's long is wider than the
5958 host's.
5960 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5962 Remove support for using UWIN as a host machine.
5963 * configure.in: Issue an error message.
5964 * configure: Regenerated.
5965 * config.gcc: Remove xm_* UWIN configury.
5966 * config/i386/xm-uwin.h: Remove.
5968 2001-01-08 Nick Clifton <nickc@redhat.com>
5970 * config/v850/v850.c (ra_rtx): Delete.
5971 (v850_save_machine_status): Delete.
5972 (v850_restore_machine_status): Delete.
5973 (v850_init_machine_status): New function.
5974 (v850_mark_machine_status): New function.
5975 (v850_free_machine_status): New function.
5976 (v850_return_addr): Use ra_rtx field in machine structure.
5977 (v850_init_expanders): Use new functions.
5979 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5980 * config/v850/v850.c: Change arguments to v850_output+* functions
5981 to take a const char *, to avoid compile time warning.
5982 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5983 (USER_LABEL_PREFIX): Redefine.
5985 2000-01-08 Jim Wilson <wilson@redhat.com>
5987 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5988 1 to unsigned HOST_WIDE_INT before left shift.
5990 2001-01-08 Nick Clifton <nickc@redhat.com>
5992 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5993 the machine structure has been allocated.
5994 (arm_free_machine_status): New function: Free the machine
5995 specific function structure.
5997 2001-01-08 Richard Henderson <rth@redhat.com>
5999 * jump.c (simplejump_p): Revert last change.
6001 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6003 * cppinit.c (init): Rename init_library.
6004 (cpp_create_reader): Update.
6005 * gcc.c (cpp_options): If -o given, use it as the target of
6006 any -M options.
6008 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6010 * arm.c (arm_arch5e): New variable.
6011 (all_cores): XScale is a 5TE device.
6012 (arm_override_options): Set arm_arch5e.
6013 (arm_init_builtins): __builtin_prefetch is in arch5e.
6014 * arm.h (arm_arch5e): Declare it.
6016 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6018 * arm.md (define_constants): Add defines for UNSPEC and
6019 UNSPEC_VOLATILE insns. Update all users.
6020 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6021 * arm.c (multi_register_push, note_invalid_constants)
6022 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6023 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6024 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6026 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6028 * jump.c (jump_optimize_1): Use reversed_comparison_code
6029 instead of can_reverse_comparison_p.
6030 (jump_back_p): Likewise.
6031 (invert_exp_1): Likewise.
6032 (thread_jumps): Likewise.
6033 * simplify-rtx.c (simplify_unary_operation): Likewise.
6034 (simplify_ternary_operation): Likewise.
6035 * cse.c (find_comparison_args): Convert to use
6036 can_reverse_comparison_p.
6037 (record_jump_equiv): Likewise.
6039 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6041 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6042 (EPILOGUE_USES): Define.
6043 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6044 automatically stack the LR if it isn't live.
6046 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6048 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6049 properly.
6051 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6053 * ggc-page.c (max_alignment): New structure.
6054 (MAX_ALIGNMENT): New macro.
6055 (init_ggc): Use it to round up the sizes in the
6056 extra_order_size_table.
6058 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6060 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6061 after reload.
6063 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6065 * builtins.def (BUILT_IN_FPRINTF): New entry.
6067 * c-common.c (c_expand_builtin_fprintf): New function.
6068 (init_function_format_info): Handle __builtin_fprintf.
6069 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6070 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6072 * c-decl.c (duplicate_decls): Adjust comment.
6074 * extend.texi (fprintf): Document new builtin.
6076 2001-01-07 Richard Henderson <rth@redhat.com>
6078 * jump.c (simplejump_p): Recognize any single_set jump
6079 of the proper form.
6081 2001-01-07 Richard Henderson <rth@redhat.com>
6083 * configure.in (slibdir): Accept an --with-slibdir option.
6084 Use "test" not "[" in configure. Default to $(libdir).
6086 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6087 fix typo in rm -f.
6088 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6089 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6090 (SHLIB_LINK): Create links for the soname.
6091 * config/mips/t-iris6: Likewise.
6092 * config/sparc/t-slibgcc: Likewise.
6093 * config/sparc/t-slibgcc-sld: Likewise.
6095 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6097 * config/i386/i386.c (constant_call_address_operand): Accept
6098 (const (plus (symbol_ref) (const_int))).
6099 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6100 constant_call_address_operand.
6102 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6104 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6105 and LONG_LONG_TYPE_SIZE > 32.
6107 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6109 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6110 the previous change.
6112 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6114 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6115 New.
6116 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6117 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6118 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6119 Declare.
6121 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6123 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6125 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6127 * c-lang.c (c_post_options): Call cpp_post_options.
6128 * objc/objc-act.c (objc_post_options): Similarly.
6129 * cppmain.c (main): Similarly.
6130 * fix-header.c (read_scan_file): Similarly.
6131 * cppinit.c (cpp_start_read): Move option consistency checks
6132 to cpp_post_options. Don't call init_dependency_output.
6133 If needed, add default target and main file dependency.
6134 (OPT_MD, OPT_MMD): Remove.
6135 (OPT_MF): New.
6136 (cpp_handle_option): Update for OPT_* changes.
6137 (cpp_post_options): New.
6138 (init_dependency_output): Command line -MF overrides environment
6139 variables. Don't set default target etc. Suppress output
6140 if dependencies are going to stdout.
6141 (print_help): Update.
6142 * cpplib.h (cpp_post_options): New.
6143 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6145 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6147 * jump.c (comparison_dominates_p): Support unordered compares.
6149 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6151 * simplify-rtx.c (simplify_relational_operation): Always simplify
6152 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6153 and UNGE.
6155 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6157 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6158 (nonzero_bits): Likewise.
6159 (simplify_comparison): Likewise.
6160 (num_sign_bit_copies): Likewise; return more sane value depending
6161 on STORE_FLAG_VALUE.
6162 (known_cond): Do not assume EQ to be always true for equivalent
6163 operands.
6165 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6167 * cse.c (fold_rtx): Handle unordered comparisons.
6169 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6171 * rtlanal.c (set_of_1): New static function.
6172 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6173 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6174 reg_set_last_last_regno): Remove.
6175 (set_of): New global function.
6176 (set_of_data): New structure.
6177 (reg_set_p, reg_set_last): Revamp for set_of.
6178 * rtl.h (set_of): New.
6180 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6182 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6183 * extend.texi: Document _Exit builtin.
6185 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6187 * (initialize, initialize_builtins,
6188 initialize_dependency_output, initialize_standard_includes):
6189 Rename s/initialize/init. Update.
6190 (init_dependency_output): Move to after
6191 cpp_handle_options, the correct location temporally at least.
6192 (opt_comp): Move next to init (), its caller. Fix prototype.
6193 (init): Make "initialized" local scope.
6194 (cpp_create_reader): Always call init ().
6195 (cpp_start_read): Update.
6196 (output_deps): New function, broken out of cpp_finish.
6197 (cpp_finish): Break out output_deps.
6199 2001-01-07 Richard Henderson <rth@redhat.com>
6201 * collect2.c (COFF specific stuff): Revert 12-06 patch
6202 to prototype system functions.
6204 2001-01-07 Michael Hayes <mhayes@redhat.com>
6206 * hard-reg-set.h: Add multiple include guard.
6207 * basic-block.h (struct loop): Add `sink' field.
6208 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6209 (emit_iv_add_mult): Delete.
6210 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6211 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6212 (unroll_loop): Remove end_insert_before argument.
6213 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6214 (maybe_eliminate_biv_1): Likewise.
6215 (emit_iv_add_mult): Delete.
6216 (gen_add_mult, loop_regs_update): New.
6217 (loop_insn_emit_after, loop_insn_emit_before): New.
6218 (loop_insn_sink, loop_insn_sink_or_swim): New.
6219 (emit_iv_add_mult): Delete.
6220 (scan_loop): Set loop->sink.
6221 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6222 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6223 (maybe_eliminate_biv_1): Likewise.
6224 (maybe_eliminate_biv_1): Add basic block argument.
6225 * unroll.c (unroll_loop): Remove end_insert_before argument.
6226 (find_splittable_regs): Likewise.
6227 (find_splittable_regs): Use loop_insn_sink and its ilk.
6228 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6230 2001-01-07 Michael Hayes <mhayes@redhat.com>
6232 * loop.h (loop_insn_hoist): New prototype.
6233 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6234 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6235 (check_dbra_loop, load_mems): Likewise.
6236 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6237 (find_splittable_givs): Likewise.
6239 2001-01-07 Michael Hayes <mhayes@redhat.com>
6241 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6243 2001-01-07 Richard Henderson <rth@redhat.com>
6245 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6247 2001-01-07 Richard Henderson <rth@redhat.com>
6249 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6250 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6251 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6252 variant that handles a shared libgcc.
6253 (process_command): Always validate -{static,shared}-libgcc.
6254 (do_spec_1): New 'M' case.
6255 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6257 2001-01-07 Richard Henderson <rth@redhat.com>
6259 * Makefile.in (slibdir): New variable.
6260 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6261 (installdirs): Create slibdir.
6262 (install-libgcc, install-multilib): Defer to libgcc.mk.
6263 * configure.in (slibdir): Substitute.
6264 * mklibgcc.in (install): New target.
6266 * config/t-linux (SHLIB_LINK): Create links for the soname.
6267 (SHLIB_INSTALL): New.
6268 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6269 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6270 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6271 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6272 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6274 2001-01-07 Richard Henderson <rth@redhat.com>
6276 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6277 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6278 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6280 2001-01-07 Michael Hayes <mhayes@redhat.com>
6282 * loop.c (count_loop_regs_set): Delete.
6283 (load_mems_and_recount_loop_regs_set): Delete.
6284 (loop_regs_scan): Merge common code from count_loop_regs_set,
6285 scan_loop, and load_mems_and_recount_loop_regs_set.
6286 (scan_loop): Call load_mems directly and loop_regs_scan
6287 again if new registers created.
6289 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6291 * toplev.c (main): Call the front-end specific post_options
6292 hook if one is given.
6293 * toplev.h (struct_lang_hooks, lang_hooks): New.
6294 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6295 for the C front end.
6296 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6297 lang_hooks for the C++ front end.
6298 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6299 lang_hooks for the ObjC front end.
6300 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6301 * java/lang.c (lang_hooks): Hooks for the Java front end.
6303 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6305 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6306 for verbose DWARF[2] debugging.
6307 (cb_define, cb_undef): The new callbacks.
6308 * toplev.h (debug_define, debug_undef): Make const correct.
6309 * toplev.c (debug_define, debug_undef): Similarly. Do not
6310 perform the verbosity tests here anymore.
6312 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6314 * reload.c (subst_reloads): Take INSN argument. When
6315 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6316 * reload.h (subst_reloads): Adjust prototype.
6317 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6318 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6319 present in JUMP_INSNs and copy them to JUMP_LABEL.
6320 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6321 JUMP_INSNs and insns with REG_LABELs that are followed by
6322 JUMP_INSNs with the same REG_LABEL.
6323 * sched-rgn.c (is_cfg_nonregular): Likewise.
6324 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6325 note is available.
6326 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6327 JUMP_INSNs too.
6328 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6330 2001-01-06 Richard Henderson <rth@redhat.com>
6332 * loop.c (scan_loop): Use xcalloc for the regs array.
6333 (load_mems_and_recount_loop_regs_set): Zero the new memory
6334 received from xrealloc.
6336 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6338 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6340 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6342 * integrate.c (copy_rtx_and_substitute): When copying
6343 an ignored return value, strip REG_FUNCTION_VALUE_P.
6345 2001-01-06 Michael Hayes <mhayes@redhat.com>
6347 * loop.c (debug_biv, debug_giv): New.
6348 (loop_biv_dump): Break out from ...
6349 (record_biv): ... here.
6350 (loop_giv_dump): Break out from ...
6351 (record_giv): ... here.
6352 (loop_bivs_check): Use print_simple_rtl.
6353 * unroll.c (loop_iterations): Use print_simple_rtl.
6355 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6357 * pa.md (return, return_internal): Modify patterns to prevent regrename
6358 mucking with the return pointer.
6360 2001-01-05 Richard Henderson <rth@redhat.com>
6362 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6364 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6366 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6367 version supplied by Matteo Frigo.
6369 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6371 * cpp.texi: Update for -MQ.
6372 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6373 (cpp_cleanup): Always free pfile->deps.
6374 (initialize_dependency_output): Don't create pfile->deps.
6375 (cpp_handle_option): Similarly.
6376 (OPT_MQ): New.
6377 * gcc.c (cpp_options): Handle -MQ.
6378 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6379 * mkdeps.c (base_name): Remove.
6380 (deps_init): Don't allocate vector space until it's needed.
6381 (deps_free): Only free vectors if allocated.
6382 (deps_add_target, deps_add_dep): Update for initial allocation.
6383 (deps_add_default_target): Don't strip to the base_name.
6385 2001-01-05 DJ Delorie <dj@redhat.com>
6387 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6388 (INIT_EXPANDERS): Define.
6390 * config/v850/v850.c (struct machine_function): Define.
6391 (v850_save_machine_status): New function.
6392 (v850_restore_machine_status): New function.
6393 (v850_return_addr): New function.
6394 (v850_init_expanders): New function.
6396 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6397 and v850_init_expanders.
6399 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6401 * cpplib.h (struct cpp_reader): Add help_only field.
6402 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6403 (cpp_handle_option): Set pfile->help_only if we see -h,
6404 --help, -target-help, or --version. Print version string but
6405 do not set help_only if we see -v or -version. Make text
6406 printed by -v match that printed by (-)-version.
6408 * cppmain.c (main): Exit after option parsing if
6409 pfile->help_only is true.
6411 * toplev.c (independent_decode_option): Call print_version,
6412 then exit, if we see --version (but not -version).
6413 (print_version): Split lengthy message into two lines.
6415 2001-01-05 Nick Clifton <nickc@redhat.com>
6417 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6418 temporary string for initialisation before calling ggc_alloc_string.
6420 2001-01-06 Michael Hayes <mhayes@redhat.com>
6422 * rtl.h (print_simple_rtl): New.
6423 * print-rtl.c (print_simple_rtl): New.
6424 (flag_simple): New.
6425 (print_rtx): Disable printing of flags and modes, etc.,
6426 if `flag_simple` nonzero.
6428 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6430 * function.c (fixup_var_refs): Use push_to_full_sequence where
6431 possible.
6433 2001-01-05 Michael Meissner <meissner@redhat.com>
6435 * flags.h (flag_reorder_blocks): Add declaration.
6436 (flag_rename_block): Ditto.
6438 2001-01-05 DJ Delorie <dj@redhat.com>
6440 * function.c (reorder_blocks): Make sure the flags are all reset
6441 before using them to mark blocks, else a second invocation will
6442 corrupt the block chain.
6443 (reorder_blocks_0): New, resets the flags.
6445 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6447 * cse.c (find_comparison_args): Stop if the argument is known to
6448 be constant.
6450 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6452 * config/sh/sh.md (movdf): When splitting load into pair of
6453 registers, don't clobber the register used in the address too
6454 early.
6456 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6458 * varasm.c (mark_constant_pool): Improve initial comments.
6459 (mark_constants): Move marking of constants to mark_constant.
6460 (mark_constant): New function to recursively mark all constants
6461 referred to by a constant.
6463 2001-01-05 Catherine Moore <clm@redhat.com>
6465 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6467 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6469 * cp/lang-options.h: Bring comment in line with reality.
6470 * f/lang-options.h: Likewise.
6471 * java/lang-options.h: Likewise.
6472 * objc/lang-options.h: Likewise.
6473 * ch/lang-options.h: Likewise.
6474 * f/g77.texi: And update the manual.
6476 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6477 Denis Chertykov <denisc@overta.ru>
6479 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6480 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6481 * config/avr/avr.md (all peepholes that request a scratch register):
6482 Call it, FAIL the peephole if not safe (in interrupt functions).
6484 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6486 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6488 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6490 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6491 Define.
6492 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6493 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6494 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6495 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6496 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6497 BUILT_IN_CIMAG.
6498 * extend.texi: Document these builtins.
6500 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6502 * c-common.c (lang_get_alias_set): Say we know nothing of
6503 VECTOR_TYPE aliasing.
6505 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6507 2001-01-05 Bruce Korb <bkorb@gnu.org>
6509 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6510 their x* equivalent versions for atexit-less systems
6511 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6512 systems (or any other system any more).
6514 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6516 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6517 output operands. Use arm_hard_register_operand for operand 4.
6518 (stmsi_postinc): Similarly.
6519 (ldmsi): Use arm_hard_register_operand for opernand 2.
6520 (stmsi): Similarly.
6521 * arm.c (arm_hard_register_operand): New function.
6522 * arm-protos.h (arm_hard_register_operand): Prototype it.
6524 * arm.h (HARD_REGNO_RENAME_OK): Define.
6526 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6528 * simplify-rtx.c (cfc_args): add "unordered" field.
6529 (check_fold_consts): Set unordered field.
6530 (simplify_relational_operation): Simplify the unordered
6531 comparisons.
6533 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6534 is valid.
6536 * emit-rtl.c (try_split): Fix code to mark labels.
6537 * jump.c (mark_jump_label): Make global.
6538 * rtl.h (mark_jump_label): Declare.
6540 * predict.c (estimate_probability): Handle unordred comparisons.
6542 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6544 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6545 * cppinit.c (initialize_dependency_output): Update.
6546 (cpp_finish): Output dummy targets for -MP.
6547 (OPT_MP): New.
6548 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6549 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6550 * gcc.c (cpp_options): Update to handle -MP.
6551 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6552 to quote only the default target.
6553 (deps_phony_targets): Insert a preceding newline. Rename from
6554 deps_dummy_targets for consistency.
6555 * mkdeps.h: Update
6557 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6559 * calls.c (emit_library_call_value_1): Support
6560 INIT_CUMULATIVE_LIBCALL_ARGS.
6561 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6563 2001-01-04 Richard Henderson <rth@redhat.com>
6565 * c-decl.c (finish_struct): Detect flexible array members
6566 used in an inappropriate context.
6567 * c-typeck.c (really_start_incremental_init): Special case
6568 constructor_max_index for zero length arrays.
6569 (pop_init_level): Allow initialization of flexible array
6570 members. Deprecate initialization of zero length arrays.
6571 Don't issue missing initializer warning for flexible array
6572 members or zero length arrays.
6573 (process_init_element): Don't dereference null DECL_SIZE.
6574 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6575 Don't abort for empty constructors. Use size_binop
6576 (output_constructor): Add commentary regarding zero length
6577 array futures. Abort if we try to initialize an array of
6578 unspecified length with a non-empty constructor in the middle
6579 of a structure.
6581 * extend.texi (Zero Length): Update and clarify documentation
6582 on static initialization.
6584 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6586 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6587 with more than 32767 words of local storage.
6589 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6591 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6592 for 'abs', 'labs', and 'fabs'.
6593 (c4x_expand_builtin): Likewise.
6594 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6596 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6598 * config/sh/sh.md (prget, prset): New insn types.
6599 (return delay slot): Dont' allow prset.
6600 (call, sfunc delay slot): Don't allow prget.
6601 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6602 for prset and prget.
6604 2001-01-05 Michael Hayes <mhayes@redhat.com>
6606 * loop.h (struct loop_reg): New.
6607 (struct loop_regs): Change to use array of `struct loop_reg'.
6608 * loop.c: Replace assortment of varrays with single regs array.
6609 (count_one_set): Delete may_not_move array argument
6610 and use regs array instead. All caller's changed.
6611 (count_loop_regs_set): Delete may_not_move and single_usage
6612 arguments and use regs array instead. All caller's changed.
6613 (find_single_use_in_loop): Replace usage array argument with pointer
6614 to regs structure. All caller's changed.
6615 (loop_optimize): Delete `moved_once' array.
6617 2001-01-05 Michael Hayes <mhayes@redhat.com>
6619 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6620 Use it instead of loop_info->has_call for scanning loop mems.
6621 (check_dbra_loop): Replace loop_info->has_call test with
6622 loop_info->has_nonconst_call.
6624 2000-01-04 Matthew Hiller <hiller@redhat.com>
6626 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6627 for TARGET_SH3E.
6629 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6631 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6632 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6634 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6636 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6637 (flag_short_double, flag_short_wchar): Define.
6638 (c_common_nodes_and_builtins): Create many tree nodes shared
6639 between C and C++ here instead of in cp/decl.c and ...
6640 * c-decl.c (init_decl_processing): ... here.
6641 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6642 (flag_short_double, flag_short_wchar): Don't define.
6643 (record_builtin_type): New function.
6644 (build_void_list_node): New function.
6645 * c-common.h (flag_short_double, flag_short_wchar,
6646 record_builtin_type, build_void_list_node): Declare.
6648 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6650 * integrate.c (expand_inline_function): Don't put a virtual
6651 register into the reg map.
6653 * function.c (fixup_var_refs_1): If force_operand didn't put
6654 the address into the target, move it there.
6656 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6658 Special-case tree_decl/tree_list allocations.
6659 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6660 (OBJECT_SIZE): New macro.
6661 (NUM_EXTRA_ORDER): Likewise.
6662 (extra_order_size_table): New variable.
6663 (NUM_ORDERS): New macro.
6664 (objects_per_page_table): New variable.
6665 (object_size_table): New variable.
6666 (G.pages): Use NUM_ORDERS to bound the array.
6667 (G.page_tails): Likewise.
6668 (DIV_ROUND_UP): Remove.
6669 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6670 (alloc_page): Use OBJECT_SIZE.
6671 (size_lookup): Don't make it const.
6672 (ggc_alloc): Use OBJECT_SIZE.
6673 (ggc_set_mark): Likewise.
6674 (ggc_get_size): Likewise.
6675 (init_ggc): Set up the object_size_table, objects_per_page_table,
6676 and adjust size_lookup.
6677 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6678 (ggc_pop_context): Use NUM_ORDERS.
6679 (clear_marks): Likewise.
6680 (sweep_pages): Likewise.
6681 (poison_pages): Likewise.
6682 (ggc_print_statistics): Use OBJECT_SIZE.
6684 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6686 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6687 Only call array_size_for_constructor if last field and array type
6688 with no upper bound.
6690 2001-01-04 Philip Blundell <philb@gnu.org>
6692 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6693 from bit 31 downwards, if this requires no more insns.
6694 (count_insns_for_constant): New helper function for above.
6696 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6698 * gencodes.c (output_predicate_decls): Remove empty initializer.
6700 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6702 * tree.c (copy_node): Remove documentation about obstacks.
6703 (buidl1): Check that nobody tries to build 2-argument nodes this
6704 way.
6706 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6708 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6709 fp_high_losum_p.
6711 * gencodes.c (output_predicate_decls): Fill empty initializer
6712 braces.
6714 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6716 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6717 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6718 or -MM.
6719 (do_include): Handle missing headers like cpp0.
6720 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6721 paths with first include pathname. Don't strcat to uninitialized
6722 string.
6724 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6726 * regrename.c (regrename_optimize): Don't rename from frame pointer
6727 if frame_pointer_needed.
6728 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6729 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6730 (ia64_reorg): Use it instead of scheduling if ! optimize.
6731 (errata_emit_nops): Properly call asm_noperands.
6732 (ia64_sched_reorder): Finish cycle if we see an asm.
6733 (ia64_variable_issue): Clear scheduling state after asms.
6735 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * cpp.texi: Update for -MT.
6738 * cppinit.c (initialize_dependency_output): Add a default
6739 target if none has been given already.
6740 (no_tgt, OPT_MT): New.
6741 (cpp_handle_option): Handle -MT. Update -M etc.
6742 * cpplib.h (struct cpp_options): Remove deps_target.
6743 * gcc.c (cpp_options): Handle -MT.
6744 * mkdeps.c (struct deps): Move from mkdeps.h.
6745 (deps_calc_target): Rename deps_add_default_target. Add a
6746 default target if none has been specified already.
6747 * mkdeps.h (struct deps): Move to mkdeps.c.
6748 (deps_calc_target): Rename deps_add_default_target.
6750 2000-01-03 Richard Henderson <rth@redhat.com>
6752 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6753 Remove dead code.
6754 * c-typeck.c (push_init_level): Move checks for flexible array
6755 members and zero length arrays ...
6756 (pop_init_level): ... here. Silently discard empty initializations.
6757 Remove dead code.
6758 * varasm.c (output_constructor): Update for sizeof change to
6759 zero-length arrays.
6761 * extend.texi (Zero Length): Clarify semantics.
6763 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6765 * configure.in (tm.h): Include isns-codes.h last.
6766 * configure: Rebuilt.
6768 2001-01-03 Richard Henderson <rth@redhat.com>
6770 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6771 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6773 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6775 * tradcpp.c (main): Make sure finclude() is called with a valid
6776 indepth value while handling -include.
6778 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6780 * gencodes.c (output_predicate_decls): New function.
6781 (main): Call it.
6782 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6783 even if it is not the first time machmode.h is #included.
6784 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6785 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6786 * gcc.texi (Copyright): Added 2001.
6788 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6790 * c-common.c (c_common_lang_init): New function. Warn if format
6791 warning options which only have effects when used with -Wformat
6792 are used without -Wformat.
6793 * c-common.h (c_common_lang_init): Declare.
6794 * c-lang.c (lang_init): Call c_common_lang_init.
6795 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6797 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6799 * configure.in: Check for the mktemp command.
6800 * configure: Regenerate.
6801 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6802 $TEMP. Create temporary files with mktemp, if available at
6803 configure time; otherwise use set -C. Remove temporary files
6804 before exit.
6806 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6808 * configure.in: Require at least texinfo 4.0. Check for whether
6809 Pod::Man is sufficiently recent to regenerate GCC manpages.
6810 * configure: Regenerate.
6811 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6812 on #!.
6813 (GENERATED_MANPAGES): Define.
6814 (generated-manpages): New target. Depend on cpp.1 as well as
6815 gcov.1.
6816 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6817 configure to generated-manpages or empty) rather than on the
6818 manpages directly. Remove execute permission from installed
6819 gcov.1 as well as cpp.1.
6820 * cpp.1, gcov.1: Regenerate.
6822 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6824 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6825 tree_low_cst. Allow using cmpstrsi in more cases.
6827 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6829 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6830 sized types.
6832 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6834 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6835 * Makefile.in (HOST_CFLAGS): Mention build-make.
6837 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6839 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6840 as JUMP_INSN.
6842 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6844 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6845 a REG rtx.
6847 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6848 callers changed.
6850 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6851 reg_base_value and reg_known_value arrays.
6852 (init_alias_analysis): Add more cases to detect known values.
6853 * sched-deps.c (deps_may_trap_p): New function.
6854 (sched_analyze_2): Use it.
6856 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6858 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6859 don't discard an ASHIFTRT if we're shifting in a wider mode.
6861 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6863 * toplev.c (rest_of_compilation): Don't print basic block information
6864 when CFG isn't up to date.
6866 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6868 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6869 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6870 (UNALIGNED_SHORT_ASM_OP): Define.
6871 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6873 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6875 * fold-const.c (fold_convert): Fix typo.
6877 2001-01-02 Richard Henderson <rth@redhat.com>
6879 * c-common.h (ASM_INPUT_P): New.
6880 * c-parse.in (asm): Set it when needed.
6881 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6882 existance of an operand.
6884 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6886 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6887 (dwarf2out_frame_debug_expr): Likewise.
6888 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6890 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6892 * i386.c (ix86_split_to_parts): Return number of part required;
6893 handle TFmodes.
6894 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6895 TFmodes.
6896 (ix86_split_long_move): Use number of part returned
6897 by ix86_split_to_parts
6898 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6899 New macros.
6900 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6901 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6902 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6903 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6904 (ALIGN_MODE_128): Add TFmode.
6905 (IS_STACK_MODE): Likewise.
6906 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6907 (HARD_REGNO_OK): Support TFmodes.
6908 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6909 * i386.md (scheduler definitions): Use memory operand to determine
6910 fst/fld instructions; use mode attribute to determine real mode of
6911 the instruction.
6912 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6913 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6915 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6917 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6919 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6921 * expr.c (store_constructor_field): Update ALIGN before calling
6922 store_constructor.
6924 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6926 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6927 host_integerp.
6929 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6931 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6932 incomplete type.
6934 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6936 * c-decl.c (start_function): Don't warn on third parameter to main.
6938 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6940 * tsystem.h: Define HAVE_DECL_GETOPT.
6942 2001-01-02 Philip Blundell <pb@futuretv.com>
6944 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6945 of input operand.
6947 2001-01-02 Richard Henderson <rth@redhat.com>
6949 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6951 2001-01-02 Andreas Jaeger <aj@suse.de>
6953 * c-decl.c (c_decode_option): Remove support of
6954 -Wmissing-noreturn.
6956 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6957 (W_options): Add -Wmissing-noreturn here.
6959 * flow.c: Define lang_missing_noreturn_ok_p.
6960 (check_function_return_warnings): Use it.
6962 * c-common.h: Declare lang_missing_noreturn_ok_p.
6964 * c-lang.c (c_missing_noreturn_ok_p): New function.
6965 (lang_init): Set lang_missing_noreturn_ok_p.
6967 * invoke.texi (Warning Options): Document this.
6969 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6971 * extend.texi (C++ Extensions): New node for C++ attributes;
6972 describe init_priority and com_interface.
6973 * invoke.texi: Remove -finit-priority as it now has zero effect.
6974 * install.texi: Fix xref syntax.
6975 * md.texi: Likewise.
6977 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6979 * config.gcc (sparc64-wrs-vxworks*): New case.
6980 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6982 * config/sparc/sparc.c (sparc_override_options): Do support different
6983 pointer and architecture size.
6984 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6985 (POINTERS_EXTEND_UNSIGNED): Define.
6986 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6987 (FUNCTION_MODE): Define to be Pmode.
6988 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6990 * function.c (expand_function_end): Properly handle DECL_RESULT
6991 and copy when ptr_mode != Pmode.
6992 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6994 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6996 * c-common.c (c_common_nodes_and_builtins): Set prototype
6997 parameters for __builtin_fputs, __builtin_fputc and
6998 __builtin_fwrite. Don't declare plain fputc as a builtin.
7000 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7002 * loop.c (add_label_notes): Increment the label usage count when
7003 a note is added to an insn which refers to a CODE_LABEL.
7004 * gcse.c (add_label_notes): Likewise.
7006 2001-01-01 Andreas Jaeger <aj@suse.de>
7008 * loop.c (scan_loop): Use xmalloc to allocate movables.
7010 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7012 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7013 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7014 * reload1.c (REGISTER_MOVE_COST): Likewise.
7015 * regclass.c (REGISTER_MOVE_COST): Likewise.
7016 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7017 dimension. Adjust all users.
7018 (init_reg_sets_1): Iterate on all modes.
7019 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7020 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7021 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7022 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7023 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7024 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7025 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7026 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7027 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7028 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7029 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7030 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7031 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7032 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7033 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7034 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7035 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7036 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7037 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7038 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7039 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7040 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7041 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7042 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7043 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7044 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7045 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7047 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7049 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7050 arg VARIES_P. Call it with extra arg.
7051 (true_dependence): Likewise.
7052 * rtl.h (rtx_addr_can_trap_p): Declare.
7053 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7054 prototypes.
7055 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7056 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7057 pic offset table register if it's zero. All callers changed.
7058 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7060 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7062 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7063 STRING_POOL_ADDRESS_P.
7065 * config/sparc/sparc.c (input_operand): Properly test for short op.
7067 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7068 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7069 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7070 * config/sparc/elf.h: No longer include sol2.h.
7071 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7072 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7074 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7076 2001-01-01 Michael Hayes <mhayes@redhat.com>
7078 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7079 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7080 (record_initial): Likewise.
7081 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7082 (remap_split_bivs): Likewise.
7084 2001-01-01 Michael Hayes <mhayes@redhat.com>
7086 * loop.c (loop_ivs_free): New function.
7087 (strength_reduce): Break out from...
7089 2001-01-01 Michael Hayes <mhayes@redhat.com>
7091 * loop.h (struct iv): New.
7092 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7093 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7094 'reg_biv_class' fields with 'regs' and 'n_regs'.
7095 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7096 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7097 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7099 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7101 * resource.c (mark_referenced_resources): Abort() before
7102 attempting to mark a pseudo register.
7103 (mark_set_resources): Likewise.
7105 2001-01-01 Michael Hayes <mhayes@redhat.com>
7107 * loop.h (REG_IV_CLASS): New accessor macro.
7108 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7109 * unroll.c (REG_IV_CLASS): Likewise.
7111 See ChangeLog.4 for earlier changes.