| blob | 9586e405ef9d47617e6828e999901b8629326622 |
1 2001-05-19 Mark Mitchell <mark@codesourcery.com>
3 * jump.c (jump_optimize_1): Tidy.
4 (mark_jump_label): When changing the label in a LABEL_REF, change
5 update any REG_EQUAL notes as well.
7 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
8 macro.
9 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
10 Document it.
11 * toplev.c (main): If the target does not allow profiling without
12 a frame pointer, issue an error message.
13 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
14 Define it to false.
16 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
18 * regrename.c (regrename_optimize): frame pointer register can
19 use a few hardregs.
21 2001-05-18 John David Anglin <dave@hiauly1.hia.nrc.ca>
23 * toplev.c (note_outlining_of_inline_function): Add ATTRIBUTE_UNUSED
24 to argument declaration.
26 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
28 * README.DWARF: Move into dwarfout.c.
30 2001-05-18 Stan Shebs <shebs@apple.com>
32 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
33 * configure: Regenerate.
35 2001-05-18 Geoff Keating <geoffk@redhat.com>
37 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
38 the link register if we're not going to use it.
40 * config/rs6000/rs6000.c (output_function_profiler): Fix a warning.
42 2001-05-18 Per Bothner <per@bothner.com>
44 Changes needed for java/jvspec.c
45 * gcc.h (n_infiles, outfiles): Add declarations.
46 * gcc.c (n_infiles, outfiles): Mske no longer static.
48 Fri May 18 10:12:19 2001 Jeffrey A Law (law@cygnus.com)
50 * config/pa/som.h (EXCEPTION_SECTION): Define.
52 2001-05-18 Bernd Schmidt <bernds@redhat.com>
54 Revert
55 2001-02-09 Nick Clifton <nickc@redhat.com>
56 * config/arm/arm.md: Change output constraint on post inc
57 load/store multiple patterns to be a read/write constraint.
59 2001-05-18 Mark Mitchell <mark@codesourcery.com>
61 * function.c (expand_function_start): Avoid creating BLKmode
62 pseudos.
64 2001-05-17 Mark Mitchell <mark@codesourcery.com>
66 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
67 DIE, even if it has no children.
68 (dwarf2out_finish): Always output the line-number table, even if
69 it has no content.
71 2000-05-18 David Edelsohn <edelsohn@gnu.org>
73 * rs6000.md (movsfcc,movdfcc): Remove NE case.
75 2000-05-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
77 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
78 offsets if not REG_OK_STRICT.
80 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
81 (INT_REG_OK_FOR_INDEX_P): Likewise.
82 (INT_REG_OK_FOR_BASE_P): Likewise.
83 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
84 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
85 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
86 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
87 REG_OK_FOR_BASE_P. Take an additional parameter.
88 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
89 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
90 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
91 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
92 rs6000_legitimate_address() and use it.
93 * config/rs6000/rs6000.c: Update all callers.
94 (rs6000_legitimate_address): New function.
96 2001-05-17 Mark Kettenis <kettenis@wins.uva.nl>
98 * dwarf2out.c (modified_type_die): Equate qualified type to die.
100 2001-05-17 Mark Mitchell <mark@codesourcery.com>
102 * doc/install.texi: Update Solaris information.
104 * except.h (protect_cleanup_actions): Remove it.
105 (lang_protect_cleanup_actions): Declare it.
106 * except.c (protect_cleanup_actions): Remove it.
107 (lang_protect_cleanup_actions): New variable.
108 (init_eh): Don't make protect_cleanup_actions a GC root.
109 (expand_eh_region_and_cleanup): Call
110 lang_protect_cleanup_actions.
111 (output_function_exception_table): Remove unused `align'
112 variable.
113 * varasm.c (assemble_external): Abort if we have not yet
114 opened the assembly output file.
116 Thu May 17 11:53:49 2001 Jeffrey A Law (law@cygnus.com)
118 * pa.c (hppa_init_pic_save): No longer update last_parm_insn.
120 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
121 for eh_personality_libfunc.
123 2001-05-17 Bernd Schmidt <bernds@redhat.com>
125 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
126 (reload_as_needed): Call update_eliminable_offsets a bit later.
128 * expr.c (protect_from_queue): Protect against subsequent calls to
129 emit_queue.
130 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
131 too clever.
133 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
135 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
136 COMPLEX_TYPE.
138 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
140 * gccbug.in (CATEGORIES): Add "bootstrap".
142 2001-05-17 Bernd Schmidt <bernds@redhat.com>
144 * stmt.c (expand_asm_operands): For inout operands, make sure
145 the substitution of '=' for '+' makes it into the rtl.
147 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
149 * gcc.texi (gccbug): Refer to the web pages for detailed information
150 on GNATS.
152 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
153 Bruce Korb <bkorb@gnu.org>
155 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
156 initializer
158 2001-05-16 Zack Weinberg <zackw@stanford.edu>
160 * assert.h: Removed.
161 * libgcc-std.ver, sys-protos.h: Remove __eprintf.
162 * libgcc2.c: Document that __eprintf exists for backward
163 compatibility only.
164 * configure.in: Correct commentary now assert.h does not exist.
165 * configure: Regenerate.
167 * Makefile.in: Delete INSTALL_ASSERT_H, assertdir, and all
168 references to either. Delete install-assert-h target. Do not
169 create $(assertdir) or $(gcc_tooldir) in mkinstalldirs target.
170 Move _eprintf from LIB2FUNCS to LIB2FUNCS_ST; pass
171 LIB2FUNCS_ST to mklibgcc.
172 * cross-make: Don't set assertdir.
173 * mklibgcc.in: Add support for LIB2FUNCS_ST.
175 * config/t-freebsd, config/t-linux, config/t-linux-aout,
176 config/t-netbsd, config/t-openbsd, config/t-rtems, config/x-linux,
177 config/alpha/t-interix, config/i386/t-beos, config/i386/t-interix,
178 config/mcore/t-mcore, config/mcore/t-mcore-pe:
179 No need to set INSTALL_ASSERT_H.
181 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
182 fixinc/fixinc.svr4, fixinc/fixinc.winnnt, fixinc/fixinc.wrap,
183 fixinc/fixincl.sh: Don't install assert.h.
185 2001-05-16 Zack Weinberg <zackw@stanford.edu>
187 * i386.md: Add two peepholes to clean up code generated by
188 cmpstr* expanders.
190 2001-05-16 Richard Henderson <rth@redhat.com>
192 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
193 variants of non-absolute encodings.
195 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
197 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
198 __register_frame_info_table_bases): Export.
200 Wed May 16 13:38:21 2001 Jeffrey A Law (law@cygnus.com)
202 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
203 GPRs.
205 2001-05-16 Richard Henderson <rth@redhat.com>
207 * except.c (eh_data_format_name): Move to ...
208 * dwarf2asm.c: ... here. Use designated initializers if available.
209 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
210 * dwarf2asm.h: Update declarations.
211 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
212 ASM_PREFERRED_EH_DATA_FORMAT.
213 (output_call_frame_info): Likewise. Use 'L' augmentation for
214 the LSDA encoding.
216 * unwind-dw2-fde.h (struct fde_vector): New.
217 (struct old_object): Rename from struct object.
218 (struct object): New.
219 (__register_frame_info_bases): Declare.
220 (__register_frame_info_table_bases): Declare.
221 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
222 * unwind-dw2-fde.c (objects): Remove.
223 (unseen_objects, seen_objects): New.
224 (__register_frame_info_bases): New.
225 (__register_frame_info): Use it.
226 (__register_frame_info_table_bases): New.
227 (__register_frame_info_table): Use it.
228 (__deregister_frame_info): Rewrite for changed object struct.
229 (base_from_object, get_cie_encoding, get_fde_encoding): New.
230 (fde_unencoded_compare): Rename from fde_compare; uninline.
231 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
232 (start_fde_sort): Adjust for new definition of fde_vector.
233 (fde_insert): Likewise.
234 (end_fde_sort): Likewise. Select comparison function based
235 on properties of the object.
236 (fde_split): Take object and fde_compare_t arguments.
237 (frame_heapsort, fde_merge): Likewise.
238 (classify_object_over_fdes): Rename from count_fdes. Handle
239 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
240 for the object.
241 (add_fdes): Handle encoded pointers.
242 (init_object): Rename from frame_init. Update for new struct object.
243 (linear_search_fdes): Rename from search_fdes. Handle encoded
244 pointers.
245 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
246 (binary_search_single_encoding_fdes): New.
247 (binary_search_mixed_encoding_fdes): New.
248 (search_object): New.
249 (_Unwind_Find_FDE): Update for new struct object. Fill in
250 the dwarf_eh_bases.
251 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
252 iterating over EH data.
253 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
254 fde_encoding, lsda_encoding.
255 (read_uleb128, read_sleb128): Remove.
256 (read_encoded_pointer): Remove. All callers use read_encoded_value.
257 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
258 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
259 pointers.
260 * unwind-pe.h: Add "struct" to _Unwind_Context references.
262 2001-05-16 Andreas Jaeger <aj@suse.de>
264 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
266 * toplev.c: Include dwarf2asm.h for prototype of
267 dw2_output_indirect_constants.
269 2001-05-16 Richard Henderson <rth@redhat.com>
271 2001-03-08 Richard Henderson <rth@redhat.com>
272 * configure.in (HAVE_AS_LEB128): New assembler check.
273 * configure, config.in: Rebuilt.
275 2001-05-16 David Edelsohn <edelsohn@gnu.org>
277 * doc/install.texi: Update AIX information.
278 * README.RS6000: Remove obsolete file.
280 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
282 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
284 2001-05-16 Jakub Jelinek <jakub@redhat.com>
285 Nathan Sidwell <nathan@codesourcery.com>
287 * gcc.c (give_switch): Don't write before start of string.
288 Always append suffix.
290 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
292 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
293 after stage3.
295 2001-05-16 Dean Wakerley <dean@wakerley.com>
297 * doc/install.texi: New file. Converted to texinfo from the HTML
298 documentation in wwwdocs/htdocs/install.
300 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
302 * README.ALTOS: Remove obsolete file.
304 Tue May 15 22:12:41 2001 Jeffrey A Law (law@cygnus.com)
306 * flow.c (life_analysis): After life analysis is complete, do
307 an optional scan over insns looking for REG_LABEL notes that
308 reference a deleted label.
309 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
310 before peeking at LABEL_NUSES.
312 2001-05-15 Richard Henderson <rth@redhat.com>
314 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
315 (_Unwind_GetTextRelBase): New.
317 2001-05-15 Mark Mitchell <mark@codesourcery.com>
319 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
321 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
323 * gthr-posix.h: Make additional pthread-* functions weak.
325 2001-05-14 Richard Henderson <rth@redhat.com>
327 * configure.in (gcc_cv_as_eh_frame): New test.
328 * config.in, configure: Rebuild.
329 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
331 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
333 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
334 for RETURNS as well.
335 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
336 extended precision divide.
338 2001-05-14 Andrew Haley <aph@redhat.com>
340 * reload1.c (copy_eh_notes): New function.
341 (emit_input_reload_insns): Call it.
342 (emit_output_reload_insns): Call it.
344 * emit-rtl.c (try_split): Copy EH notes to sequence.
346 2001-05-14 Richard Henderson <rth@redhat.com>
348 2001-04-12 Richard Henderson <rth@redhat.com>
349 * Makefile.in (regmove.o): Depend on except.h.
350 * regmove.c: Include it.
352 Mon May 14 08:57:23 2001 Jeffrey A Law (law@cygnus.com)
354 * config/pa/som.h (NM_FLAGS): Remove.
355 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
356 (ASM_OUTPUT_SECTION_NAME): Remove.
357 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
359 2001-05-14 Mark Mitchell <mark@codesourcery.com>
361 * regrename.c (regrename_optimize): Do not rename registers to
362 leaf registers.
364 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
366 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
367 contain MEMs. Remove useless distinction about clobbering
368 registers.
370 2001-05-13 Richard Henderson <rth@redhat.com>
372 2001-03-28 Richard Henderson <rth@redhat.com>
373 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
374 not TARGET_TOC for special toc restore handling.
375 * config/rs6000/rs6000.md (eh_return): Likewise.
377 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
379 * tm.texi (THREAD_MODEL_SPEC): Document it.
380 * gcc.c (main): Use it.
381 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
382 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
384 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
386 * rtl.h (SYMBOL_REF_WEAK): New macro.
387 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
388 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
389 * rtl.texi (SYMBOL_REF_WEAK): Document it.
390 * gcc.texi: Remove wrong description.
392 2001-05-13 Mark Mitchell <mark@codesourcery.com>
394 * stringpool.c (xxx, yyy): Remove.
395 (get_identifier): Don't set them.
397 * Makefile.in (STAMP): New macro.
398 Replace all uses of `touch' with $(STAMP).
399 * fixinc/Makefile.in: Likewise.
401 2001-05-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
403 * i386.c (ix86_save_reg): Change `bool' parameter to `int'.
405 2001-05-12 Richard Henderson <rth@redhat.com>
407 EH merge from mainline, continued.
409 2001-05-12 Richard Henderson <rth@redhat.com>
410 * dwarf2asm.c (size_of_encoded_value): New function.
411 * dwarf2asm.h: Declare it.
412 * except.c (output_function_exception_table): Align the TType
413 array only as wide as the encoding.
415 2001-05-11 Richard Henderson <rth@redhat.com>
416 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
417 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
418 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
419 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
420 (dw2_output_indirect_constants): Prototype.
421 * dwarf2out.c (dwarf2out_begin_prologue): Generate
422 current_function_func_begin_label if we'll need it for EH. Exit
423 early for IA64_UNWIND_INFO.
424 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
425 (eh_data_format_name): Update for indirect references.
426 (output_function_exception_table): Care for IA64_UNWIND_INFO.
427 Handle ASM_PREFERRED_EH_DATA_FORMAT.
428 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
429 define HAVE_eh_return etc.
430 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
431 (final_end_function): Don't call output_function_exception_table.
432 * toplev.c (compile_file): Call dw2_output_indirect_constants.
433 (rest_of_compilation): Invoke output_function_exception_table
434 for ia64 before assemble_end_function.
435 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
436 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
438 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
439 * unwind.h: Declare them.
440 * libgcc-std.ver: Export them.
441 * unwind-pe.h: New file.
443 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
445 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
446 instead of "fde".
447 (find_fde_for_dso): Extract DT_PLTGOT.
448 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
449 the segment and gp as well.
450 * config/ia64/frame-ia64.c: Remove file.
451 * config/ia64/frame-ia64.h: Remove file.
452 * config/ia64/unwind-ia64.c: New file.
453 * config/ia64/unwind-ia64.h: New file.
454 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
455 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
456 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
457 (ASM_PREFERRED_EH_DATA_FORMAT): New.
458 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
459 (IA64_UNWIND_INFO): Re-enable.
460 (HANDLER_SECTION): Remove.
461 (EH_RETURN_DATA_REGNO): New.
462 * config/ia64/ia64.md (exception_receiver): Remove.
463 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
464 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
466 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
467 * except.c (sjlj_mark_call_sites): Do not search for assignments to
468 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
470 2001-05-05 Richard Henderson <rth@redhat.com>
471 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
472 to the parent of the fixup region.
474 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
475 * except.c (expand_eh_region_start): Don't start a new block.
476 (expand_eh_region_end): Don't end a block.
477 * stmt.c (expand_end_bindings): Don't end EH blocks.
478 (expand_decl_cleanup): Starting an EH region won't change the block.
479 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
480 (is_eh_region): Lose.
481 * tree.h: Adjust.
483 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
484 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
486 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
487 * except.c (get_exception_filter): word_mode, not Pmode.
489 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
490 * except.c (expand_eh_region_end_cleanup): Force pending stack
491 adjust before emitting label that branches around cleanup code.
493 2001-04-25 Richard Henderson <rth@redhat.com>
494 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
495 of registers to restore along non eh_return path.
497 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
498 * except.c (reachable_handlers): Step out one level from a RESX.
500 * except.c (struct eh_region): Rename 'last' to 'resume'.
501 (mark_eh_region, duplicate_eh_region_1): Adjust.
502 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
503 (build_post_landing_pads): Likewise.
504 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
505 (expand_eh_region_end_must_not_throw): Likewise.
506 (connect_post_landing_pads): Thread (only) regions with non-deleted
507 resume insns.
509 * except.c (expand_eh_region_end_cleanup): Save the EH return data
510 registers around the cleanup.
511 (get_exception_filter): New fn.
512 (finish_eh_generation): Use it.
514 2001-04-03 Richard Henderson <rth@redhat.com>
515 * rtl.h (LCT_THROW): New.
516 * calls.c (emit_library_call_value_1): Handle it.
517 * except.c (connect_post_landing_pads): Use it.
519 2001-03-28 Richard Henderson <rth@redhat.com>
520 * except.c: Rewrite entirely for IA-64 ABI exception handling.
521 * except.h: Likewise.
523 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
524 (LIB2ADDEHDEP): New.
525 (LIB2FUNCS_EH): Remove.
526 (LIB2ADD): Remove LIB2ADDEH.
527 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
528 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
529 (crt{begin,end}[S].o): Likewise.
530 (except.o): Update includes.
531 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
532 (libgcc2_c_dep): Use LIB2ADDEHDEP.
534 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
535 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
536 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
537 * builtins.c (expand_builtin): Implement it.
538 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
539 * c-common.c (c_common_nodes_and_builtins): Declare it.
540 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
541 * calls.c (libfunc_nothrow): Remove.
542 (emit_library_call_value_1): Don't call it.
543 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
544 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
545 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
546 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
547 (current_funcdef_number): Globalize.
548 (output_call_frame_info): Emit frame data if an lsda is needed.
549 Generate augmentation for personality routine. Don't play with
550 difference symbols.
551 (dwarf2out_begin_prologue): Record funcdef_number.
552 * dwarf2out.h (current_funcdef_number): Declare.
553 * expr.c (expand_expr): Update for except.h name changes.
554 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
555 * expr.h (LTI_throw, LTI_rethrow): Remove.
556 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
557 (LTI_eh_rtime_match): Remove.
558 (LTI_unwind_resume, LTI_eh_personality): Add.
559 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
560 * final.c (final): Don't call check_exception_handler_labels,
561 init_insn_eh_region, or free_insn_eh_region.
562 (final_scan_insn): Always emit debug labels for
563 NOTE_INSN_EH_REGION notes.
564 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
565 (record_active_eh_regions): Remove.
566 (count_basic_blocks): Check all instructions for REG_EH_REGION.
567 Use can_throw_internal.
568 (find_basic_blocks_1): Likewise.
569 (move_stray_eh_region_notes): Remove.
570 (find_label_refs): No eh_return_stub_label.
571 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
572 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
573 changes.
574 (delete_unreachable_blocks): Don't track deleted handlers.
575 (flow_delete_block): Use maybe_remove_eh_handler.
576 (delete_eh_regions): Remove.
577 (merge_blocks): Don't check for eh region match.
578 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
579 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
580 (init_propagate_block_info): Disable dead frame store optimization
581 when current_function_calls_eh_return.
582 (dump_bb): Don't print eh_beg, eh_end.
583 * function.c (fixup_var_refs): No catch_clauses.
584 (expand_function_end): Likewise. Call expand_eh_return before
585 the return register use. Call sjlj_emit_function_exit_after.
586 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
587 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
588 * ifcvt.c (dead_or_predicable): Remove eh region check.
589 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
590 Don't check for EH vs parameters.
591 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
592 (expand_inline_function): Call duplicate_eh_regions.
593 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
594 (copy_insn_notes): Remap REG_EH_REGION notes.
595 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
596 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
597 check_exception_handler_labels, nor exception_optimize.
598 (find_cross_jump): No EH region check.
599 * optabs.c (init_optabs): Update for changed eh libfuncs.
600 * rtl.def (RESX): New.
601 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
602 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
603 checks. Update for except.h name changes.
604 (expand_cleanups): Likewise.
605 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
606 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
607 (compile_file): Call init_eh before init_optabs. Don't
608 output_exception_table here.
609 (rest_of_compilation): Call convert_from_eh_region_ranges,
610 convert_to_eh_region_ranges, output_function_exception_table.
611 Don't emit_eh_context.
612 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
613 (EXC_PTR_EXPR): New.
615 * md.texi (eh_epilogue): Remove.
616 (eh_return): Document.
617 * tm.texi (EH_RETURN_DATA_REGNO): Document.
618 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
620 * eh-common.h: Remove file.
621 * frame-dwarf2.c, frame.c, frame.h: Remove files.
622 * libgcc2.c (L_eh): Remove.
624 * unwind-dw2-fde.c: New file, largely copied from frame.c.
625 * unwind-dw2-fde.h: New file.
626 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
627 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
628 * libgcc-std.ver: Update for eh symbols.
630 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
631 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
632 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
633 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
634 (EH_RETURN_DATA_REGNO): New.
635 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
636 * config/alpha/alpha.md (eh_epilogue): Remove.
637 (exception_receiver): Use $26 for ldgp input.
638 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
640 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
641 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
642 True for pic register if current_function_calls_eh_return.
643 (ix86_expand_epilogue): Change "emit_return" argument into "style".
644 Handle eh_return requirements.
645 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
646 (EH_RETURN_STACKADJ_RTX): New.
647 * config/i386/i386.md (exception_receiver): Remove.
648 (eh_return, eh_return_1): New.
649 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
651 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
652 for eh_return data registers.
653 (rs6000_emit_prologue): Save eh_return data registers.
654 (rs6000_emit_epilogue): Force inline restores if eh_return.
655 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
656 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
657 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
658 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
659 the target uses one.
660 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
661 (return_eh_si, return_eh_di): Remove.
662 (eh_return): New, from corpse of eh_epilogue.
663 (eh_set_lr_si, eh_set_lr_di): New.
665 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
666 current_function_calls_eh_return.
667 (output_function_epilogue): Handle eh_return.
668 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
669 (EH_RETURN_DATA_REGNO): New.
670 (EH_RETURN_STACKADJ_RTX): New.
671 (EH_RETURN_HANDLER_RTX): New.
672 * config/sparc/sparc.md (call/short branch peepholes): Check
673 can_throw_internal instead of in_same_eh_region.
675 2001-03-17 Richard Henderson <rth@redhat.com>
676 * dwarf2out.c (queue_reg_save): New.
677 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
678 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
679 dwarf2out_reg_save.
680 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
681 (cfa, cfa_store, cfa_temp): Make static.
682 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
684 2001-03-16 Richard Henderson <rth@redhat.com>
685 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
686 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
687 (dw2_asm_output_delta_uleb128): Likewise.
688 (dw2_asm_output_delta_sleb128): Similarly.
689 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
691 2001-03-15 Richard Henderson <rth@redhat.com>
692 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
693 if provided by the target.
694 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
695 (dw2_asm_output_addr): New.
696 * dwarf2asm.h (dw2_asm_output_addr): Declare.
697 * dwarf2out.c (output_cfi): Use it for program addresses.
698 (output_call_frame_info, output_die): Likewise.
699 (output_aranges, output_line_info): Likewise.
701 2001-03-06 Krister Walfridsson <cato@df.lth.se>
702 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
704 2001-03-02 Richard Henderson <rth@redhat.com>
705 * Makefile.in (OBJS): Add dwarf2asm.o.
706 * dwarf2asm.c, dwarf2asm.h: New files.
707 * dwarf2out.c (*): Use them.
708 (size_of_uleb128, size_of_sleb128): Remove.
709 (output_uleb128, output_sleb128): Remove.
710 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
711 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
712 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
713 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
714 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
715 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
716 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
717 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
718 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
719 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
720 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
721 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
722 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
723 (dwarf2out_frame_debug): Remove unused variables.
724 (output_loc_operands): Don't abort on 8 byte constants if
725 host integers are wide enough.
726 (output_symbolic_ref): Remove.
727 (size_of_die): Don't assume 4 byte host integers.
728 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
729 and end labels.
730 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
731 something stupid with HOST_WIDE_INT to long truncation.
732 [CONST_DOUBLE]: Likewise.
734 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
735 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
736 * config/arm/unknown-elf.h: Likewise.
737 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
738 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
739 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
740 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
741 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
742 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
743 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
744 (ASM_OUTPUT_DWARF_OFFSET): Remove.
745 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
746 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
747 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
748 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
750 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
751 * i386.c (ix86_frame): New structure.
752 (ix86_compute_frame_size): Kill.
753 (ix86_compute_frame_layout): New.
754 (ix86_save_reg): New.
755 (ix86_can_use_return_insn_p): Use frame layout stuff.
756 (ix86_expand_prologue): Likewise.
757 (ix86_expand_epilogue): Likewise.
758 (ix86_initial_elimination_offset): Likewise.
759 (ix86_nsaved_regs): Use ix86_save_reg.
760 (ix86_emit_save_regs): Likewise.
762 2001-05-12 Richard Henderson <rth@redhat.com>
764 EH merge from mainline, parts 5 - 16.
765 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
766 reduce false positives.
767 (regmove_optimize): Disable if flag_non_call_exceptions.
769 * stmt.c (expand_return): Remove always true predicate.
770 (expand_decl_cleanup_no_eh): Remove dead code.
772 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
773 barrier code. Add a scheduling barrier if a non-call insn
774 can throw internally.
776 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
777 Auto-inc addresses trap only if their base register does.
779 * except.c (can_throw_internal): Rename from can_throw.
780 * except.h, resource.c: Update references.
782 * integrate.c (copy_insn_list): Use returnjump_p.
783 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
785 * integrate.h (struct inline_remap): Add local_return_label.
786 * integrate.c (expand_inline_function): Initialize it and emit
787 it after copy_insn_notes.
788 (copy_insn_list): Don't store local_return_label here.
789 (copy_insn_notes): New function split out from copy_insn_list.
791 * function.h (struct function): Move all boolean valued fields
792 to single bit fields at the end of the struct.
794 * flow.c (cleanup_cfg): Take no argument.
795 * output.h, sibcall.c, toplev.c: Update all calls.
797 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
798 (calculate_global_regs_live): Kill call-clobbered registers
799 across exception edges.
800 * reg-stack.c (convert_regs_1): Kill the entire target stack
801 across non-call exception edges.
803 * flags.h (flag_new_exceptions): Remove.
804 * toplev.c: Don't set it.
805 * final.c: Don't check it.
806 * except.c: Provide stub definition.
808 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
809 exceptions, put the note on the trapping instruction.
811 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
812 value to target configuration header.
813 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
814 * config.in, configure: Rebuild.
815 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
816 configuration and target defines.
817 (exceptions_via_longjmp): Remove.
818 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
819 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
821 2001-05-12 Richard Henderson <rth@redhat.com>
823 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
824 * mkconfig.sh (DEFINES): Handle entries with '='.
826 2001-03-22 Zack Weinberg <zackw@stanford.edu>
827 * mkconfig.sh: Use a subshell with redirected stdout,
828 instead of closing stdout and confusing commands that run
829 afterward. Throw away output of cmp.
831 2001-03-22 Richard Henderson <rth@redhat.com>
832 * mkconfig.sh: Include insn-flags.h.
833 * Makefile.in (CONFIG_H): Include insn-flags.h.
834 (lots of objects): Remove insn-codes.h and insn-flags.h.
836 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
837 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
838 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
839 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
840 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
841 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
842 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
843 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
844 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
845 v850/v850.c, vax/vax.c:
846 Don't include insn-flags.h.
848 * diagnostic.c, expr.h, reload.c, toplev.c:
849 Don't include insn-codes.h.
851 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
852 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
853 c4x/c4x.c, i960/i960.c, mips/mips.c:
854 Don't include insn-codes.h or insn-flags.h.
856 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
857 or insn-flags.h in the generated code.
858 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
859 (main): Forward declare struct rtx_def.
861 2001-03-09 Zack Weinberg <zackw@stanford.edu>:
862 * configure.in: Prune nonexistent files from build_xm_file,
863 xm_file, and host_xm_file lists. Warn unless they're
864 $cpu/xm-$cpu.h.
865 Don't generate *config.h here.
866 AC_SUBST all variables needed to generate *config.h.
867 * mkconfig.sh: New helper script, from code removed from
868 configure.in.
869 * Makefile.in: Substitute in variables needed to generate *config.h.
870 Stop lying about the dependencies contained in CONFIG_H and
871 GCONFIG_H.
872 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
873 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
874 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
875 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
876 $(TM_P_H), etc. as appropriate.
878 2001-05-12 Richard Henderson <rth@redhat.com>
880 EH merge from mainline, parts 1 - 4.
881 * gthr-single.h (UNUSED): New. Distinguish between how C
882 and C++ mark unused function arguments. Use throughout.
884 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
885 jump.c, toplev.c:
886 Rename asynchronous_exceptions to flag_non_call_exceptions.
887 * except.h (flag_non_call_exceptions): Move ...
888 * flags.h: ... here.
890 * rtl.h (LCT_NORETURN): New.
891 * calls.c (emit_library_call_value_1): Handle it.
893 * function.c (expand_function_start): Set DECL_REGISTER on
894 a pseudo used for DECL_RESULT.
896 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
898 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
899 about files not ending in newlines.
901 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
903 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
904 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
906 2001-05-11 Richard Henderson <rth@redhat.com>
908 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
909 calls and jumps to be bundled together.
910 (ia64_reorg): Emit a break after a noreturn call that ends
911 a function.
912 * config/ia64/ia64.md (break_f): New.
914 2001-05-11 Jakub Jelinek <jakub@redhat.com>
916 * regmove.c (regmove_optimize): Suppress the optimization for
917 unchanging destination register. Add comment above function.
919 2001-05-11 Mark Mitchell <mark@codesourcery.com>
921 * loop.h (struct movables): Remove `num'.
922 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
923 Adjust call to strength_reduce.
924 (num_unmoved_movables): New function.
925 (move_movables): Don't set movables->num.
926 (strength_reduce): Compute the number of instructions in the loop
927 here, rather than in the caller.
928 (check_dbra_loop): Always clear reversible_mem_store if there
929 are any memory sets.
930 (loop_regs_scan): Don't count instructions here.
931 (count_insn_in_loop): New function.
933 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
935 2001-05-10 David Edelsohn <edelsohn@gnu.org>
937 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
938 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
940 Thu May 10 18:23:11 2001 Jeffrey A Law (law@cygnus.com)
942 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
943 a computed jump into an unconditional jump.
944 In second hunk of code for collapsing computed and conditional jumps
945 into unconditional jumps, reemit the jump in additional cases.
947 2001-05-10 David Edelsohn <edelsohn@gnu.org>
949 * expr.c (emit_group_load): extract_bit_field requires a REG or
950 MEM as an argument.
952 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
954 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
955 contents for a SYMBOL_REF in case of floating point constants.
957 2001-05-09 Zack Weinberg <zackw@stanford.edu>
959 * cppinit.c (cpp_post_options): Shut off macro expansion if
960 -fpreprocessed.
961 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
962 IN_I directives only if the # is in column 1 and the directive
963 name begins in column 2.
964 * cppmain.c (scan_buffer): Insert a space between # and an
965 identifier, when that identifier is a directive name.
967 * tradcpp.c (struct file_buf): Add a pointer to the next entry
968 in the header search path.
969 (enum node_type): Add T_INCLUDE_NEXT.
970 (directive_table): Add entry for include_next.
971 (do_include_next): New function.
972 (process_include): New routine, broken out of do_include.
973 (finclude): Insert 'nhd' argument, to be copied into
974 next_header_dir of the new buffer.
975 (main): Adjust to match.
976 * gsyslimits.h, limity.h: Un-indent #include_next.
978 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
980 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
981 inclusion as a chapter of the GCC manual.
982 * gcc.texi: Include objc.texi.
983 * fdl.texi: Use @unnumberedsec for the addendum.
984 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
986 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
988 * pa.md (interspace_jump): Revise comment.
989 (builtin_longjmp): Block initial setup insns from delay slot of
990 interspace branch.
991 (builtin_setjmp_receiver): New expander to save and restore PIC
992 register.
994 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
996 2001-05-07 Mark Mitchell <mark@codesourcery.com>
998 * gcc.texi: Remove references to CHILL.
999 * invoke.texi: Likewise.
1000 * install.texi: Likewise.
1002 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1004 * Makefile.in (tradcpp0): Correct typo in dependency list.
1006 2001-05-06 Andreas Jaeger <aj@suse.de>
1008 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1009 (i386 Options): Document -momit-leaf-frame-pointer.
1011 Sun May 6 10:54:20 2001 Jim Wilson <wilson@redhat.com>
1013 * dwarf2out.c (output_line_info): Fix typo.
1015 2001-05-05 Richard Henderson <rth@redhat.com>
1017 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1019 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1021 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1022 between X and Y by using sequences of xgdx and xgdy.
1024 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1026 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1027 of '!' for the 'D' alternative ('!' is too strong).
1028 ("*logicalsi3_silshl16"): Likewise.
1029 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1030 ("movstrictsi"): Remove spurious '+'.
1031 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1032 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1033 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1034 a reload to them.
1036 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1038 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1040 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1042 * config/rs6000/rs6000.md (ashldi3 splits): Guard with TARGET_POWERPC64.
1044 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1046 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1047 soft register, use ror instead of rol.
1049 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1051 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1052 into account pre/post increment decrement for 68HC12.
1053 Fix other problems in replacement and fix call to reg_mentioned_p.
1055 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1057 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1058 Put the soft registers in bss for 68HC12.
1059 (L_regs_d3_4): New for _.d3 and _.d4.
1060 (L_regs_d5_6): Likewise.
1061 (L_regs_d1_2): Likewise.
1062 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1064 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1066 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1067 to the pre-processor when -fshort-double is specified.
1068 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1070 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1072 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1073 (__mulsi3): Rewrite for 68HC12.
1074 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1075 Mark 'x' constraint with earlyclobber to prevent a
1076 RELOAD_FOR_OTHER_ADDRESS to go in it.
1077 (mulhi3_m68hc12): New pattern.
1078 (mulhi3_m68hc11): Rename of mulhi3.
1079 (mulhi3): New expand for 68HC12 optimisation.
1080 (umulhisi3, mulhisi3): New patterns for 68HC12.
1082 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1084 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1085 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1086 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1088 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1090 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1091 constants cheap after reload.
1092 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1093 are cheap.
1094 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1095 so that gcc prefers a shift by 16.
1096 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1098 2001-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1100 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1101 (CPP_SPEC): Conditionally define MSDOS and GO32.
1102 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1103 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1104 ignored.
1105 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1107 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1109 * hash.c (hash_lookup): Likewise.
1111 * hash.h (hash_lookup): Likewise.
1113 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1115 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1117 * config/t-freebsd: Don't install "assert.h" in gcc. Compile
1118 crtbeginS.o and crtendS.o with PIC.
1120 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1122 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1123 instruction.
1124 ("bitcmpqi2"): New pattern for bit-extract and test.
1125 ("bitcmphi"): New pattern for bitb/bita instructions.
1127 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1129 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1130 instead of _.d1.
1131 (INITIALIZE_TRAMPOLINE): Call it.
1132 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1133 (TRAMPOLINE_TEMPLATE): Remove.
1134 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1135 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1136 Declare.
1138 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1140 * gccbug.in: Use a temporary directory when the mktemp command is
1141 not available.
1143 2001-05-03 David Edelsohn <edelsohn@gnu.org>
1145 * config/rs6000/aix51.h: Remove duplicate header file inclusion as
1146 reported by David O'Brien <obrien@FreeBSD.org>.
1148 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1150 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1151 * integrate.c (expand_inline_function): Use xcalloc to allocate
1152 memory.
1153 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1154 registers.
1156 2001-05-02 Geoff Keating <geoffk@redhat.com>
1158 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1159 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1160 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1161 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1162 ctrdi_internal6): In the short-branch case, this insn is only 4
1163 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1165 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1166 (setup_incoming_varargs): Remove warning.
1168 * config/rs6000/rs6000.c (validate_condition_mode): When
1169 flag_fast_math, allow floating-point conditionals to be reversed.
1170 (rs6000_generate_compare): When flag_fast_math, don't generate
1171 cror operations for FP conditionals.
1173 2001-05-02 Dale Johannesen <dalej@apple.com>
1175 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1176 parameter.
1177 (STRICT_ARGUMENT_NAMING): Define.
1178 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1179 function_arg_partial_nregs, setup_incoming_varargs): Remove
1180 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1181 is defined.
1183 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1185 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1186 for replacement.
1188 * expr.c (store_field): Do nothing except elaborate side-effects if
1189 zero-bit field.
1191 2001-05-02 Nick Clifton <nickc@cambridge.redhat.com>
1193 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1194 constant pool, use the pool's SYMBOL_REF instead.
1196 2001-05-01 Per Bothner <per@bothner.com>
1198 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1199 call do_pending_stack_adjust before emiting label.
1201 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1203 * extend.texi: Fix typo.
1205 2001-05-01 Stan Shebs <shebs@apple.com>
1207 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1208 of UOBJC_MODULES_decl.
1209 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1210 (generate_descriptor_table): Ditto.
1211 (generate_protocols): Ditto.
1212 (generate_protocol_list): Ditto.
1213 (generate_classref_translation_entry): Ditto.
1215 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1217 * ChangeLog (2001-02-21): Remove erroneous entry.
1218 * gcc.c (cc1_options): Add "-param".
1219 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1220 (option_map): Likewise.
1221 (display_help): Add "--param" to 'other' options.
1222 * invoke.texi (Optimize Options): Add documentation for `--param
1223 max-delay-slot-insn-search' and `--param
1224 max-delay-slot-live-search' and reorder --param section.
1225 * params.def: Modify initial comment.
1226 * params.h (param_info): Add `help' member.
1227 * toplev.c (lang_independent_params): Include `help' description.
1228 (display_help): Print --param parameters.
1229 (independent_decode_option): Fix typographical error.
1231 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1233 * c-tree.texi (USING_STMT): Document.
1235 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1236 Richard Henderson <rth@redhat.com>
1238 * extend.texi: Improve documentation of volatile asms.
1240 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1242 * c-tree.texi: Fix thinko.
1243 * gcc.texi: Likewise.
1245 2001-04-30 Richard Henderson <rth@redhat.com>
1247 * c-common.c (c_promoting_integer_type_p): New function, from the
1248 corpse of old macro. Properly promote too-small enumerations and
1249 booleans. Adjust all callers.
1250 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1251 (c_promoting_integer_type_p): Declare.
1252 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1253 * c-typeck.c: Likewise.
1254 (default_conversion): Remove now redundant boolean check.
1256 2001-04-30 Jan Hubicka <jh@suse.cz>
1257 Richard Henderson <rth@redhat.com>
1259 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1260 sanity checks.
1261 (combine_stack_adjustments_for_block): Don't combine stack
1262 allocation followed by deallocations. Handle grow-up stacks.
1264 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1266 * fdl.texi: New file.
1267 * c-tree.texi: Use the GFDL.
1268 * gcc.texi: Likewise.
1270 2001-04-30 Stan Shebs <shebs@apple.com>
1272 * invoke.texi: Add a section documenting Objective-C options.
1274 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1276 * regmove.c (record_stack_memrefs): Catch all references to the
1277 stack pointer.
1279 2001-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1281 * pa.c (hppa_init_pic_save): Update last_parm_insn after emitting
1282 pic save insn.
1284 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1286 * extend.texi (extended asm): Fix typo.
1288 Sat Apr 28 10:32:26 2001 Jeffrey A Law (law@cygnus.com)
1290 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1291 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1292 into the constant pool.
1293 * jump.c (jump_optimize_1): Remove barrier successors after all
1294 the LABEL_NUSES counds have been computed.
1295 (delete_barrier_successors): When deleting a tablejump insn, also
1296 delete the jump table it uses.
1297 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1298 label into memory.
1300 2001-04-28 Andreas Jaeger <aj@suse.de>
1302 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1303 appropriate.
1304 * extend.texi: Likewise.
1306 2001-04-28 Andreas Jaeger <aj@suse.de>
1308 * md.texi: Use XX-bit instead of XXbit or XX bit where
1309 appropriate.
1311 2001-04-28 Andreas Jaeger <aj@suse.de>
1312 Richard Henderson <rth@redhat.com>
1314 * md.texi (Machine Constraints): Fix description of "A" for
1315 i386.
1317 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1319 * collect2.c (main): Add `-L' case to remove duplicate entries.
1320 (is_in_args): New function to check for a duplicate argument.
1321 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1322 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1323 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1324 Define to be nonzero.
1326 Fri Apr 27 10:41:06 2001 Jeffrey A Law (law@cygnus.com)
1328 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1330 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1332 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1333 common to other movsf patterns. Move up so that in future
1334 people who change the other patterns will change it too.
1335 (movsf_lo_sum): Allow even for soft-float; add appropriate
1336 constraints.
1337 (movsf_high): Likewise.
1338 (movsf_high+1): Allow even for soft-float.
1340 2001-04-26 Mark Mitchell <mark@codesourcery.com>
1342 * invoke.texi: Document more C++ command-line options.
1344 2001-04-26 H.J. Lu (hjl@gnu.org)
1346 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1348 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1349 define.
1350 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1351 (ASM_OUTPUT_SECTION_NAME): Likewise.
1352 (ASM_WEAKEN_LABEL): Likewise.
1353 (UNIQUE_SECTION): Likewise.
1354 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1355 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1356 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1357 (ASM_OUTPUT_SECTION_NAME): Likewise.
1358 (ASM_WEAKEN_LABEL): Likewise.
1359 (UNIQUE_SECTION): Likewise.
1360 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1361 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1362 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1363 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1364 (ASM_FILE_START): Likewise.
1365 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1366 (ASM_DECLARE_OBJECT_NAME): Likewise.
1367 (ASM_FILE_END): Likewise.
1368 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1369 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1370 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1371 (ASM_OUTPUT_CASE_LABEL): Likewise.
1372 (ASM_OUTPUT_SKIP): Likewise.
1373 (ASM_OUTPUT_ASCII): Likewise.
1374 (ASM_OUTPUT_IDENT): Likewise.
1375 (READONLY_DATA_SECTION): Likewise.
1376 (EXTRA_SECTIONS): Likewise.
1377 (EXTRA_SECTION_FUNCTIONS): Likewise.
1378 (SELECT_RTX_SECTION): Likewise.
1379 (SELECT_SECTION): Likewise.
1381 * config/mips/linux.h (INVOKE__main): Undefine.
1382 (CTOR_LIST_BEGIN): Likewise.
1383 (CTOR_LIST_END): Likewise.
1384 (DTOR_LIST_BEGIN): Likewise.
1385 (DTOR_LIST_END): Likewise.
1386 (SET_ASM_OP): Defined it to ".dummy".
1387 (ASM_OUTPUT_DEF): Defined.
1388 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1390 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1392 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1394 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1396 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1397 -m386 and -m486.
1399 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1401 * configure.in (configargs.h): Define thread_model.
1402 * configure: Rebuilt.
1403 * gcc.c (main): Print it with -v.
1405 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1407 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1408 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1409 * gcc.1: Regenerate.
1411 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1413 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1414 is_redundant_typedef): Use static inline instead of inline static.
1416 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1418 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1419 this directory is always searched.
1421 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1423 * loop.c (try_swap_copy_prop): Go back to checking insn.
1425 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1427 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1428 out and comparison sequence has been detected, put result into
1429 proper temporary pseudo.
1431 2001-04-24 Mark Mitchell <mark@codesourcery.com>
1433 * dwarf2out.c (dwarf2out_finish): Forcibly return to the data
1434 section after emitting information.
1436 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1438 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1439 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1440 * libgcc2.c: Remove __dummy and __empty functions, and all
1441 code for __builtin_saveregs.
1442 * libgcc2.h: Don't prototype __builtin_saveregs, __dummy, or __empty.
1443 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1444 for future reference.
1446 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1448 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1449 passing nested NOP_EXPRs to fold.
1451 2001-04-23 Mark Mitchell <mark@codesourcery.com>
1453 * dwarf2out.c (rtl_for_decl_location): Add comments. Abort
1454 if the decl is abstract.
1455 (add_bound_info): Don't try to get the location of an abstract
1456 declaration.
1458 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1460 * loop.c (loop_delete_insns): Add prototype.
1462 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1464 * flow.c (proagate_one_insn): Remove useless assignment.
1465 * jump.c (delete_insn): Tidy.
1466 * loop.c (try_copy_prop): When deleting an instruction with a
1467 REG_RETVAL note, delete the entire libcall sequence.
1468 (loop_delete_insns): New function.
1469 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1470 we're not substituting into them yet.
1472 2001-04-21 Kazu Hirata <kazu@hxi.com>
1474 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1476 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1477 Fix a comment typo.
1478 * config/i960/i960.c (signed_arith_operand): Likewise.
1480 * calls.c (expand_call): Fix a comment typo.
1482 Fri Apr 20 12:22:15 2001 Jeffrey A Law (law@cygnus.com)
1484 * config/pa/som.h (NM_FLAGS): Define.
1486 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1488 * ia64.c (ia64_flag_schedule_insns2): New variable.
1489 (ia64_override_options): Initialize it. Clear
1490 flag_schedule_insns_after_reload.
1491 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1493 Thu Apr 19 19:12:57 2001 Jeffrey A Law (law@cygnus.com)
1495 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1496 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1498 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1499 name at 32 total characters.
1500 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1501 functions in named sections -- data items can still go into unique
1502 sections, but they have normal names (ie $LIT$ and $DATA$).
1504 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1505 INIT_PRIORITY.
1507 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1509 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1510 that language-independent processing should not be done.
1511 * toplev.c (main): Adjust accordingly.
1513 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1514 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1516 * mips.md (reload_outputdi): Require that operand0 be a
1517 general_operand.
1519 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1521 * invoke.texi (-Wshadow): Clarify.
1523 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1525 * loop.c (load_mems): Examine all the instructions in the loop
1526 before concluding that all jumps branch to the first instruction
1527 after the loop.
1529 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1531 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1533 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1535 * cpp.texi (-Wwhite-space): Remove.
1536 (-Wall): -Wall does not imply -Wwhite-space.
1538 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1540 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1541 use it instead of blindly generating a .stabs.
1542 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1543 in the right place.
1544 * xcoffout.c: Don't bother defining default for N_CATCH.
1545 (UNKNOWN_STAB): Use internal_error.
1546 (stab_to_sclass): Remove now-unnecessary aborts.
1547 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1549 Tue Apr 17 21:39:12 2001 Jeffrey A Law (law@cygnus.com)
1551 * jump.c (mark_all_labels): Canonicalize the tail recursion
1552 label attached to CALL_PLACEHOLDER insns.
1554 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1556 * dbxout.c (N_OPT): Define if not available from <stab.h>
1558 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1560 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1561 libraries and native K&R compilers.
1563 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1565 * c-typeck.c (convert_arguments): Don't check for width changes
1566 with -Wtraditional.
1568 * invoke.texi (-Wtraditional): Update documentation.
1570 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1572 * toplev.c (output_lang_identify): Delete.
1573 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1574 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1575 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1576 after calling ASM_FILE_END.
1578 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1579 Instead, unconditionally emit an N_OPT stab with string equal
1580 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1582 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1584 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1585 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1586 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1587 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1588 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1589 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1590 config/i370/i370.h, config/i386/beos-elf.h,
1591 config/i386/osf1elf.h, config/i386/osfrose.h,
1592 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1593 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1594 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1595 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1596 config/mips/iris6.h, config/mips/osfrose.h,
1597 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1598 config/sparc/sp64-elf.h:
1599 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1600 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1602 * config/elfos.h, config/freebsd.h, config/linux.h,
1603 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1604 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1605 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1606 of ASM_FILE_START which merely emit a .version directive. Delete
1607 definitions of ASM_FILE_END which merely emit an .ident directive.
1609 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1610 ASM_IDENTIFY_GCC and move part of its logic into
1611 ASM_FILE_START.
1613 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1614 config/sparc/linux-aout.h: Don't emit .version directive in
1615 ASM_FILE_START.
1617 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1618 (output_file_start): Correct comment.
1620 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1621 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1622 to match gdb.
1623 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1624 * config/rs6000/aix.h: Correct comment.
1626 * config/i386/i386afe.h: Delete.
1627 * config.gcc: Remove references to i386afe.h.
1629 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1630 other macros deleted by this patch were undocumented.
1632 Mon Apr 16 08:02:14 2001 Jeffrey A Law (law@cygnus.com)
1634 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1636 * pa.c (secondary_reload_class): SAR<->FP copies require a
1637 secondary register.
1639 * install.texi (mips-mips-bsd): Update list of functions
1640 required to include memmove.
1641 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1642 used functions to include memmove.
1644 2001-04-15 Mark Mitchell <mark@codesourcery.com>
1646 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1647 if it is not set.
1649 2001-04-15 Jim Wilson <wilson@redhat.com>
1651 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1653 2001-04-13 Jim Wilson <wilson@redhat.com>
1655 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1656 (first_instruction): New static variable.
1657 (rtx_needs_barrier): Return 1 for alloc.
1658 (init_insn_group_barriers): Set first_instruction.
1659 (rws_sum): Delete duplicate definition.
1660 (group_barrier_needed_p): Return 0 when first_instruction true.
1661 (safe_group_barrier_needed_p): Save and restore first_instruction
1662 around group_barrier_needed_p call.
1664 Fri Apr 13 21:33:59 2001 Loren J. Rittle <ljrittle@acm.org>
1666 * expr.h (enum libfunc_index): Add LTI_memmove.
1667 (memmove_libfunc): Define macro.
1668 * optabs.c (init_optabs): Initialize memmove_libfunc.
1669 * expr.c (expand_assignment): Use memmove_libfunc instead of
1670 memcpy_libfunc.
1672 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1674 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1675 fp mode addresses.
1677 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1679 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1680 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1681 MAKEINFO and MAKEINFOFLAGS too.
1682 (stage4_build): Correctly order -B flags.
1684 2001-04-12 Jim Wilson <wilson@redhat.com>
1686 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1687 to just emit an fnorm.
1689 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1691 * invoke.texi: Document --param max-gcse-memory.
1693 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1695 * sh.md (builtin_setjmp_receiver): New expander.
1697 2001-04-12 Kelley Cook <kelley.cook@home.com>
1699 * config-lang.in (lang_dirs): Add in zlib.
1701 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1703 * dwarf2out.c (modified_type_die): Don't create new types here.
1704 * tree.h (get_qualified_type): New function.
1705 (build_qualified_type): Adjust comment.
1706 * tree.c (get_qualified_type): New function.
1707 (build_qualified_type): Use it.
1709 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1711 * cpp.texi (-Wtraditional): Update description.
1713 * invoke.texi (-Wtraditional): Likewise.
1715 2001-04-11 Jim Wilson <wilson@redhat.com>
1717 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1718 requires more than 64 bits of alignment.
1720 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1722 * cpplib.c (do_line): Sanity check iff enable checking.
1724 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1726 * Makefile.in (gcse.o): Depend on params.h.
1727 * gcse.c: Include params.h.
1728 (gcse_main): Don't do GCSE if doing so will take inordinate
1729 amounts of memory.
1730 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1731 * params.h (MAX_GCSE_MEMORY): New macro.
1733 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1735 * c-typeck.c (convert_arguments): -Wtraditional now activates
1736 -Wconversion warnings, except for changes in signed-ness.
1737 Detect complex<->int & int<->complex conversions as well.
1739 * invoke.texi (-Wtraditional): Document it.
1741 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1743 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1745 2001-04-11 Jason Merrill <jason_merrill@redhat.com>
1747 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1748 not '.' or '$'.
1749 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1750 * varasm.c (CHKR_PREFIX): Likewise.
1752 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1754 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1756 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1758 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1759 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1760 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1761 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1762 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1764 2001-04-09 Neil Booth <neil@daikokuya.demon.co.uk>
1766 * configure.in: Add check for lstat.
1767 * configure, config.in: Regenerate.
1768 * cppinit.c (append_include_chain): Make empty path ".".
1769 * cpplib.c (do_line): Don't simplify #line paths.
1770 * cppfiles.c (remove_component_p): New function.
1771 (find_or_create_entry): Acknowledge stat () errors during
1772 path simplification.
1773 (handle_missing_header): Don't simplify paths.
1774 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1775 the empty path untouched. Don't leave a trailing '/'.
1777 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1779 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1780 function. Remove include of sys/cygwin.h.
1782 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1784 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1785 (CPP_SPEC): Always search */include/w32api for header files.
1786 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1787 (LINK_SPEC): Add "cyg" to the library search prefixes.
1789 2001-04-08 Philip Blundell <philb@gnu.org>
1791 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1793 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1795 * cpperror.c (print_location): Don't special case <stdin>.
1796 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1797 WARNING, but we don't check if we're in system headers.
1798 * cpphash.h (enum error_type): WARNING_SYSHDR: New.
1799 * cpplib.c (do_warning): Warn in system headers.
1800 (cpp_push_buffer): Give stdin buffers the name <stdin>.
1802 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1804 * mbchar.c: Include config.h first.
1806 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1808 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1810 2001-04-05 Benjamin Kosnik <bkoz@redhat.com>
1812 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1813 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1815 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1817 * config/ia64/ia64.c (rtx_needs_barrier): PARALLELs can contain
1818 ASM_OPERANDS.
1820 2001-04-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1822 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1823 all labels present in rtx.
1824 (try_split) Call new function for all split insns.
1826 2001-04-05 Neil Booth <neil@daikokuya.demon.co.uk>
1828 * cppfiles.c (open_file): Fail directories silently, but
1829 with an errno of NOENT set.
1830 (read_include_file): Move the common exit code to the sole
1831 caller. Return an int indicating success or failure. Let
1832 open_file handle directories.
1833 (stack_include_file): If read_include_file fails,
1834 push a "null" buffer.
1836 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1838 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1839 when folding integer division and modulo operations.
1841 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1843 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1844 push insns to delete to it instead of deleting them.
1845 (delete_null_pointer_checks): Delete insns from delete_list after
1846 all delete_null_pointer_checks_1 passes are done.
1848 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1850 * configure.in (target_subdir): Use target_alias, not target.
1851 * configure: Rebuilt.
1853 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1854 other way round.
1855 * config/sh/crti.asm: Fix typos in comments.
1857 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1859 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1860 LO_SUM cases to where they belong.
1862 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1864 * ifcvt.c (noce_emit_move_insn): New.
1865 (noce_try_store_flag, noce_try_store_flag_constants,
1866 noce_try_store_flag_inc, noce_try_store_flag_mask,
1867 noce_try_cmove, noce_try_cmove_arith): Use it.
1868 (noce_process_if_block): Likewise.
1869 For STRICT_LOW_PART, take mode from its SUBREG.
1871 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1873 * fold-const.c (fold): Before optimizing unsigned comparison with
1874 0x7fffffffU, make sure arg0 is integral type.
1876 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1878 * c-tree.texi: Document representation of wide strings.
1880 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1882 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1883 when multiplier or multiplicand is zero.
1885 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1887 * loop.c (load_mems): When generating a load from a pseudo, update
1888 REGNO_LAST_UID.
1890 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1891 rtx_needs_barrier.
1892 (set_src_needs_barrier): Likewise.
1893 (rtx_needs_barrier): For SET case, use these two functions. Rework
1894 PARALLEL case to handle all inputs before all outputs.
1895 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1896 saw a label and no stop bit since then.
1897 (maybe_rotate, process_epilogue): Add prototypes.
1899 2001-03-28 Jim Wilson <wilson@redhat.com>
1901 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1902 operand_subword.
1904 2001-03-28 DJ Delorie <dj@redhat.com>
1906 * Makefile.in (stage1_build): Revert CFLAGS patch.
1908 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1910 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1912 2001-03-27 Jim Wilson <wilson@redhat.com>
1914 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1915 IA64_UNWIND_EMIT.
1916 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1917 (process_epilogue): New static function.
1918 (process_set): Call process_epilogue instead of emitting .restore
1919 directly.
1920 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1922 * flow.c (struct reg_cond_life_info): New fields orig_condition
1923 and stores.
1924 (init_propagate_block_info): Set new fields.
1925 (mark_regno_cond_dead): Set and use new fields.
1926 (flush_reg_cond_reg_1): Likewise.
1927 (and_reg_cond, case AND): Check for redundant AND conditions.
1928 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1929 Set new fields.
1931 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1933 * cppmacro.c (stringify_arg): Null terminate strings.
1935 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1937 * cppfiles.c: Update comments.
1938 (struct include_file): Remove "defined" memeber.
1939 (find_or_create_entry): Make a copy of the file name, and
1940 simplify it.
1941 (open_file): Update to ensure we use the simplified filename.
1942 (stack_include_file): Don't set search_from.
1943 (cpp_included): Don't simplify the path name here.
1944 (find_include_file): New prototype. Call search_from to
1945 get the start of the "" include chain. Don't simplify the
1946 filenames here.
1947 (_cpp_execute_include): New prototype. Move diagnostics to
1948 do_include_common. Update.
1949 (_cpp_pop_file_buffer): Don't set defined.
1950 (search_from): New prototype. Use the preprocessor's cwd
1951 for files included from the command line.
1952 (read_name_map): Don't simplify the pathname here.
1954 (stack_include_file): Only increase the include
1955 count if we actually process the file properly, as opposed
1956 to treating it as length zero. Only call read_include_file
1957 if not DO_NOT_REREAD. Handle the -H include file output
1958 here.
1959 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1960 (cpp_included, find_include_file): Simplify pathnames after
1961 remapping them. If remapping, don't use the remapped file
1962 name's buffer as our scratch buffer.
1963 (cpp_pop_file_buffer): Replace the multiple include macro
1964 only if it isn't yet set.
1965 (read_name_map): Simplify remapped names when reading in.
1966 (remap_filename): Move code to code path that uses it.
1967 (_cpp_simplify_pathname): Return the input pointer.
1969 (NO_INCLUDE_PATH): New macro.
1970 (find_include_file): Decide here which part of the include
1971 chain to start the search. Complain about an empty include
1972 chain in all cases apart from an abolsute file name.
1973 (_cpp_execute_include): Don't choose the search chain here.
1974 Don't call handle_missing_include in the case of an empty
1975 include chain.
1976 (_cpp_compare_file_date): Don't choose the search chain here.
1978 (destroy_include_file_node): Rename destroy_node.
1979 (find_or_create_entry): New function.
1980 (open_file, _cpp_fake_include): Use it.
1981 (handle_missing_header): New function, broken out of
1982 _cpp_execute include. Don't segfault if there is no
1983 system or quoted path.
1984 (_cpp_execute_include): Use handle_missing_header.
1986 (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1987 (cpp_included, find_include_file): Update.
1988 (search_from): Use lbasename.
1989 (_cpp_execute_include): Don't make a null-terminated
1990 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1991 strlen or strcpy; we already know the length.
1992 (_cpp_compare_file_date): Similarly.
1994 * cpphash.h: Update comments.
1995 (enum include_type): New.
1996 (struct buffer): Delete search from. New search_cached.
1997 (_cpp_execute_include): Update prototype.
1998 (struct cpp_reader): Delete done_initialising.
1999 (_cpp_simplify_pathname): Update prototype.
2000 (struct cpp_buffer): Delete actual_dir. New members
2001 search_from and dir.
2002 (struct cpp_reader): Remove actual_dirs.
2004 (struct include_file): Update.
2005 (stack_include_file): Use search_from.
2006 (cpp_included, find_include_file): Update.
2007 (cpp_execute_include): Update. ptr->name may not be
2008 null terminated. Use the new search_from member variable
2009 of cpp_buffer.
2010 (_cpp_compare_file_date): Similarly.
2011 (search_from): New function, similiar to actual_directory.
2012 (actual_directory): Delete.
2013 (remap_filename): Update. loc->name may not be null terminated.
2014 (struct file_name_list): Rename search_path. Update.
2016 * cppinit.c (do_includes): Use _cpp_execute_include.
2017 (cpp_start_read): Don't set done_initialising.
2018 (struct cpp_pending): Update for renamed objects.
2019 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2020 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2022 * cpplib.c (do_include_common): New function.
2023 (do_include, do_include_next, do_import): Use it.
2024 (do_include_next): Move the in-main-file diagnostic
2025 here from _cpp_execute_include. Behave like #include if
2026 we're in the main file.
2027 (_cpp_compare_file_date): Make else unconditional.
2028 (CPP_PREV_BUFFER): Delete.
2029 (glue_header_name): Null-terminate.
2030 (do_line): Don't leak memory.
2032 * cpplex.c (parse_string): Guarantee null-termination.
2033 (_cpp_equiv_toklists): Remove.
2035 * cpplib.h (BT_WEAK): Delete.
2036 (struct cpp_options): Update.
2038 * cppmain.c (cb_ident): Strings are now null-terminated.
2040 * mkdeps.c (deps_add_default_target): Use lbasename.
2042 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2044 * c-typeck.c (digest_init): Fold init expression.
2046 * except.c (eh_regs): Save results of build_pointer_type to a temp
2047 as FUNCTION_VALUE macro may evaluate its args multiple times.
2049 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2051 * c-common.h (DECL_NUM_STMTS): New macro.
2052 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2053 DECL_FRAME_SIZE.
2054 (pushdecl): Likewise.
2055 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2056 * integrate.c (expand_inline_function): Don't check
2057 DECL_FRAME_SIZE.
2058 * print-tree.c (print_node): Don't print it.
2059 * toplev.c (rest_of_compilation): Don't try to inline when
2060 flag_no_inline is on.
2061 * tree.h (DECL_FRAME_SIZE): Remove.
2062 (tree_decl): Adjust accordingly.
2064 Mon Mar 26 15:59:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2066 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2068 2001-03-26 Jakub Jelinek <jakub@redhat.com>
2070 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2071 to variable names where DECL_NAME is different from
2072 DECL_ASSEMBLER_NAME.
2074 2001-03-26 Jakub Jelinek <jakub@redhat.com>
2076 * reg-stack.c (stack_result): Re-add 2001-03-14 changes which were
2077 lost during the 2001-03-14 lazy DECL_RTL commit.
2079 2001-03-21 Jason Merrill <jason@redhat.com>
2081 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2082 not '.' or '$'.
2083 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2084 * varasm.c (CHKR_PREFIX): Likewise.
2086 2001-03-25 Kazu Hirata <kazu@hxi.com>
2088 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2089 space.
2090 (modqi3): Likewise.
2091 (umodhi3): Likewise.
2092 (modhi3): Likewise.
2094 2001-03-23 Richard Henderson <rth@redhat.com>
2096 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2097 to avoid shadowing arguments.
2099 2001-03-23 Jim Wilson <wilson@redhat.com>
2101 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2102 (assemble_alias): Call make_decl_rtl.
2104 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2106 * extend.texi: Document the "java_interface" attribute.
2108 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2110 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2112 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2114 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec field to
2115 all array elements.
2117 2001-03-22 Brad Lucier <lucier@math.purdue.edu>
2119 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2121 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2123 * gcc.texi: Remove more obsolete documentation of bugs and
2124 installation problems.
2126 2001-03-21 Kazu Hirata <kazu@hxi.com>
2128 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2129 into two parts.
2131 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2133 * cse.c (find_comparison_args): Remove previous change.
2134 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2135 REG_EQUAL notes.
2137 * sdbout.c: #include ggc.h.
2138 (sdbout_init): Move to end of file.
2139 Call ggc_add_tree_root for anonymous_types.
2140 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2141 (sdbout_one_type): Use DECL_NAME for field name.
2142 * Makefile.in (sdbout.o): Show includes ggc.h.
2144 2001-03-21 Jakub Jelinek <jakub@redhat.com>
2146 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2147 Remove ia32 linux PIC kludge and move it...
2148 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2150 2001-03-20 DJ Delorie <dj@redhat.com>
2152 * Makefile.in (install-libgcc): Pass complete list of variables.
2153 (install-multilib): Ditto.
2155 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2157 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2158 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2160 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2162 Compute DECL_ASSEMBLER_NAME lazily.
2163 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2164 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2165 (SET_DECL_ASSEMBLER_NAME): Likewise.
2166 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2167 (set_decl_assembler_name): Declare.
2168 (lang_set_decl_assembler_name): Likewise.
2169 * tree.c (lang_set_decl_assembler_name): New variab.e
2170 (set_decl_assembler_name): New function.
2171 (init_obstacks): Set lang_set_decl_assembler_name.
2172 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2173 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2174 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2175 where it's not necessary.
2176 (builtin_function): Likewise.
2177 (finish_decl): Likewise.
2178 * dbxout.c (dbxout_type_methods): Likewise.
2179 * ggc-common.c (ggc_mark_trees): Likewise.
2180 * profile.c (output_func_start_profiler): Likewise.
2181 * varasm.c (make_decl_rtl): Likewise.
2183 * cse.c (find_comparison_args): Update documentation. Fix
2184 mishandling of COMPARE operations.
2186 * tree.def (ABS_EXPR): Add documentation.
2187 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2189 2001-03-20 Tom Tromey <tromey@redhat.com>
2191 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2193 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2195 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2196 drectve_section, switch_to_section.
2198 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2199 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2200 i386_pe_mark_dllimport.
2202 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2204 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2205 functions i386_pe_*.
2207 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2208 i386_pe_* functions with char * arguments.
2210 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2212 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2213 and store.
2214 (movsi_ie): Introduce fpul store.
2216 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2218 * Makefile.in (OBJS): Remove hashtab.o.
2220 2001-03-19 Tom Tromey <tromey@redhat.com>
2222 * gcc.c (init_gcc_specs): Fix comment.
2224 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2226 * cse.c (find_comparison_args): Update documentation. Fix
2227 mishandling of COMPARE operations.
2229 * tree.def (ABS_EXPR): Add documentation.
2230 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2232 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2234 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2236 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2238 * README.X11: Remove obsolete file.
2240 2001-03-18 Anthony Green <green@redhat.com>
2242 * config/pj/pj.h: Remove some trailing commas.
2243 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2245 2001-03-17 Anthony Green <green@redhat.com>
2247 * config/pj/lib1funcs.S: Fix broken comment.
2248 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2249 labels with '.'.
2251 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2253 * gcc.texi: Remove obsolete information relating to build and
2254 installation problems with enquire or the Pyramid C compiler.
2256 2001-03-16 Philip Blundell <philb@gnu.org>
2258 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2259 "armv2-*-linux".
2260 * config/arm/linux-elf.h: Remove historical relics related to
2261 above configurations.
2262 * config/arm/linux-oldld.h: Delete.
2263 * config/arm/linux-elf26.h: Delete.
2265 2001-03-17 Richard Henderson <rth@redhat.com>
2267 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2268 is generating .debug_line.
2269 (dwarf2out_init): Add main_input_filename to the file table first.
2270 * configure.in (as_dwarf2_debug_line): Test with file number 1
2271 instead of file number 0.
2273 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2274 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2275 (size_of_line_prolog): Remove.
2276 (output_line_info): Compute prologue size via label difference.
2277 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2278 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2279 assembler error when redefining file numbers.
2280 * config.in, configure: Rebuild.
2282 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2284 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2285 variable.
2287 2001-03-16 Jim Wilson <wilson@redhat.com>
2289 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2290 then set it to LOC_REG (79) instead of aborting.
2292 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2294 * fixinc/Makefile.in: Set SHELL.
2296 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2298 * fixinc/fixincl.c (fix_with_system): Quote file names before
2299 passing them to shell.
2301 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2303 * Makefile.in: Use fix-header$(build_exeext) instead
2304 of fix-header.
2306 Fri Mar 16 11:26:01 2001 Christopher Faylor <cgf@cygnus.com>
2308 * config/i386/cygwin.h: Revert previously misapplied patch which
2309 eliminated TARGET_SUBTARGET_DEFAULT.
2311 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2313 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2314 register may be dead.
2316 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2318 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2320 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2322 * Makefile.in (hash.o): Depend on CONFIG_H.
2324 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2326 * cppfiles.c (stack_include_file): Use MAX of sysp.
2328 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2330 * config.gcc (ia64*-*-hpux*): New case.
2331 * config/ia64/hpux.h: New file for HP-UX support.
2332 * config/ia64/t-hpux: New file for HP-UX support.
2334 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2336 * fixinc/inclhack.def (irix_stdio_va_list): New.
2337 * fixinc/fixincl.x: Rebuilt.
2339 2001-03-15 Bruce Korb <bkorb@gnu.org>
2341 * gcc.c(main): make more rigorous
2342 * collect2.c(main): guard against ignoring SIGCHLD
2343 * protoize.c(main): ditto
2344 * gcc/fixinc/fixincl.c(initialize): ditto
2346 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2348 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2349 (sdbout_parms): Likewise.
2351 Thu Mar 15 12:51:00 2001 Jeffrey A Law (law@cygnus.com)
2353 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2354 "widen" a destination that is already wider than a word. Also do
2355 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2357 2001-03-15 Zack Weinberg <zackw@stanford.edu>
2359 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2360 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2361 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2362 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2363 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2364 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2365 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2366 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2367 config/i370/xm-oe.h, config/i386/xm-aix.h,
2368 config/i386/xm-i386.h, config/i386/xm-osf.h,
2369 config/i860/xm-i860.h, config/i960/xm-i960.h,
2370 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2371 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2372 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2373 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2374 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2375 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2376 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2377 config/pj/xm-pj.h, config/romp/xm-romp.h,
2378 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2379 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2380 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2381 config/v850/xm-v850.h, config/vax/xm-vax.h,
2382 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2383 Do not define TRUE or FALSE.
2385 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2386 empty by above change.
2387 * config.gcc: Remove references to these files.
2389 * configure.in: Detect stdbool.h.
2390 * configure, config.in: Regenerate.
2391 * system.h: Include stddef.h here if available. Set
2392 HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then
2393 set up a sensible boolean type at the very end.
2395 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2396 config/mcore/mcore.c: Rename variables named 'true'
2397 and/or 'false'.
2399 * hash.h: Delete 'boolean' typedef and related #undefs.
2401 * function.c, ggc-common.c, hash.h, hash.c, tlink.c,
2402 Replace all uses of 'boolean' with 'bool'.
2404 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2405 David Billinghurst <David.Billinghurst@riotinto.com>
2407 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2409 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2411 * simplify-rtx.c (hash_rtx): For REG and MEM, just use value of
2412 expression without adding in rtx code and mode.
2414 * alias.c (init_alias_analysis): Don't use any rtx whose value
2415 varies as a known value.
2416 Delete a superfluous test.
2418 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2420 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2422 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2424 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2425 contents of the RTL, to determine the name of the object.
2427 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2429 * configure.in: Use $gcc_cv_as instead of $as.
2430 * configure: Regenerated.
2432 Wed Mar 14 13:17:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2434 * alias.c (handled_component_p, can_address_p): New functions.
2435 (get_alias_set): Use them.
2437 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2439 * expr.c (expand_expr): Revove bogus conditional.
2441 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2443 * tree.h (DECL_RTL): Allocate RTL lazily.
2444 (SET_DECL_RTL): New macro.
2445 (DECL_RTL_SET_P): Likewise.
2446 (COPY_DECL_RTL): Likewise.
2447 (DECL_RTL_IF_SET): Likewise.
2448 * varasm.c (make_decl_rtl): Add assertions about the kind of
2449 declaration we are processing.
2450 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2451 (start_decl): Likewise.
2452 (finish_decl): Likewise.
2453 * c-semantics.c (emit_local_var): Likewise.
2454 * calls.c (expand_call): Likewise.
2455 * dbxout.c (dbxout_symbol): Likewise.
2456 * emit-rtl.c (unshare_all_rtl): Likewise.
2457 (unshare_all_decls): Likewise.
2458 (reset_used_decls): Likewise.
2459 * expr.c (store_constructor): Likewise.
2460 (safe_from_p): Likewise.
2461 (expand_expr): Likewise.
2462 * function.c (put_var_into_stack): Likewise.
2463 (instantiate_decls_1): Likewise.
2464 (assign_parms): Likewise.
2465 (expand_function_start): Likewise.
2466 (expand_function_end): Likewise.
2467 * ggc-common.c (gcc_mark_trees): Likewise.
2468 * integrate.c (function_cannot_inline_p): Likewise.
2469 (copy_decl_for_inlining): Likewise.
2470 (expand_inline_function): Likewise.
2471 (integrate_parm_decls): Likewise.
2472 (integrate_decl_tree): Likewise.
2473 * print-tree.c (print_node): Likewise.
2474 * reg-stack.c (stack_result): Likewise.
2475 * stmt.c (label_rtx): Likewise.
2476 (expand_return): Likewise.
2477 (expand_decl): Likewise.
2478 (expand_decl_cleanup): Likewise.
2479 (expand_anon_union_decl): Likewise.
2480 * toplev.c (check_global_declarations): Likewise.
2481 (rest_of_decl_compilation): Likewise.
2482 * tree.c (simple_cst_equal): Likewise.
2483 * objc/objc-act.c (generate_static_references): Likewise.
2485 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2487 * reg-stack.c (stack_result): Unconditionally use
2488 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2490 2001-03-13 Jim Wilson <wilson@redhat.com>
2492 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2493 from 80 in try_locals code.
2494 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2496 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2498 * cpp.texi (poison): Explain the macro expansion exception.
2500 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2502 * cppinternals.texi: Update for file handling.
2504 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2506 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2507 unless anti_dependence says they are.
2508 * alias.c (objects_must_conflict): If neither has a type specified,
2509 they must conflict.
2511 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2513 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2514 before reload_cse_noop_set_p.
2516 Sat Mar 10 23:21:34 2001 kaz Kojima <kkojima@rr.iij4u.or.jp>
2518 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2520 Sat Mar 10 23:16:16 2001 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2522 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2523 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2525 Sat Mar 10 23:03:25 2001 Alexandre Oliva <aoliva@redhat.com>
2527 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2528 if it's a record type.
2530 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2532 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2533 mingw includes slightly.
2535 Fri Mar 9 18:33:50 2001 Jeffrey A Law (law@cygnus.com)
2537 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2539 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2541 * configure: Rebuilt.
2542 * configure.in: Only use `lang_requires' for languages athat are
2543 actually enabled.
2545 Thu Mar 8 23:34:42 2001 Jeffrey A Law (law@cygnus.com)
2547 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2549 Thu Mar 8 23:22:26 2001 John Wehle (john@feith.com)
2551 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2552 LO_SUM unless for_alias is set.
2554 2001-03-08 Bruce Korb <bkorb@gnu.org>
2556 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2557 wait4() can receive the signal.
2559 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2561 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2562 entities.
2563 * fixinc/fixincl.x: Regenerate.
2565 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2567 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2568 on Tru64 UNIX.
2569 * fixinc/fixincl.x: Regenerate.
2571 Thu Mar 8 19:42:08 CET 2001 Jan Hubicka <jh@suse.cz>
2573 * reg-stack.c (move_for_stack_reg): Avoid non-popint fst for
2574 TFmode too.
2576 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2578 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2580 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2582 * configure.in (enable_shared): Support per-package shared-library
2583 enabling.
2584 * configure: Rebuilt.
2586 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2588 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2589 for crnot. Set operands[5] in splitter.
2591 2001-03-07 Tom Tromey <tromey@redhat.com>
2593 * configure: Rebuilt.
2594 * configure.in: Allow config-lang.in to set `lang_requires' to list
2595 of other required languages.
2597 2001-03-07 Richard Henderson <rth@redhat.com>
2599 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2601 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2603 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2604 * fixinc/fixincl.x: Regenerated.
2606 2001-03-06 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2608 * Restore change that patch misapplied.
2609 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2610 (ix86_set_move_mem_attrs_1): Likewise.
2611 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2612 * config/i386/i386.md (movstrsi): Call it.
2614 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2616 * config/m68k/m68k.c (const_uint32_operand): Accept any
2617 const_int on a 32-bit host.
2619 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2621 * c-parse.in (yylexname): New function, split out of _yylex.
2622 (objc_rid_sans_at): New table.
2623 (init_reswords): Initialize it.
2624 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2625 retrieving the next token and checking it for significance as
2626 an ObjC keyword or string constant.
2628 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2629 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2631 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2632 to CPP_OSTRING.
2634 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2636 * objc/objc-act.c (init_objc): Set save_lang_status,
2637 restore_lang_status, and mark_lang_status.
2639 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2641 * cppinternals.texi: Update.
2643 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2645 * invoke.texi: Document __FAST_MATH__.
2647 2001-03-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2649 * function.c (purge_addressof_1): Change type of function
2650 purge_addressof_1 from boolean to int. Change local variable
2651 `result' to int, and false and true to 0 and 1, respectively.
2653 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2655 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2656 negative numbers.
2657 (___subdi3, ___adddi3): Use x instead of y as index register.
2658 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2659 (__memset, __memcpy): Likewise.
2660 (regs): Put the soft registers in bss for 68HC12.
2661 (abort): Use trap to abort for 68hc12.
2662 (__mulhi3, __mulhi32): Use emul for 68hc12.
2663 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2665 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2667 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2668 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2669 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2670 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2671 Set 68HC12 min offset to -65536.
2672 (print_operand): Put parenthesis arround the operand if it refers
2673 to a symbol having the same name as a register.
2674 (m68hc11_z_replacement): When z register is replaced by its
2675 equivalent soft register, force the insn to be re-recognized.
2676 (m68hc11_check_z_replacement): Fix the test when destination is
2677 the index register and z dies in the insn.
2678 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2680 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2682 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2683 costs according to processor variant.
2684 (m68hc11_shift_cost): New function to compute shift costs.
2685 (m68hc11_rtx_costs): Define costs according to processor variant.
2686 (m6811_cost): Costs for 68HC11.
2687 (m6812_cost): Costs for 68HC12.
2688 (COSTS_N_INSNS): Remove.
2690 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2691 (DEFAULT_RTX_COSTS): Remove.
2692 (CONST_COSTS): Define costs according to OUTER_CODE.
2693 (processor_costs): New struct to define costs.
2694 (m68hc11_cost): Pointer to current costs.
2696 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2698 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2699 and use m68hc11_notice_keep_cc when using leax/leay.
2700 (addhi3 split): Reject split if the insn is handled by
2701 leax/leay above.
2702 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2703 push must be handled in a special way if the source operand uses
2704 sp as index register.
2705 (m68hc11_notice_keep_cc): New function.
2706 (m68hc11_gen_movhi): Use it when an insn changes a register but
2707 not the flags.
2708 (m68hc11_gen_movqi): Fix move for 68HC12.
2709 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2711 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2713 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2714 and don't pass operands[0] to emit_library_call_value.
2716 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2718 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2719 (zero_extendsi split): Simplify and use (zero_extendhi).
2720 (*addhi3): Remove 'w' constraint since stack pointer is handled
2721 by (addhi3_sp).
2722 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2723 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2724 (*ashrhi3_const): Fix shift by 7.
2725 (*lshrsi3_const16): Fix template.
2726 (call, call_value): Fix constraint and predicate.
2728 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2730 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2731 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2732 (CC_REGNUM): Likewise.
2733 (*unnamed splits): Use above constants instead of hard coded numbers.
2734 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2735 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2736 (*return_16bit, *unnamed peepholes): Likewise.
2738 2001-03-03 Laurynas Biveinis <lauras@softhome.net>
2740 * gcc.c (convert_filename): Append executable suffix
2741 if NO_AUTO_EXE_SUFFIX is not defined.
2742 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2743 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2746 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2748 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2749 * c-parse.gperf, c-gperf.h: Delete.
2750 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
2751 by tromey)
2753 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2755 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2756 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2757 t_bool in declaration because pcc can't combine volatile with typedef
2758 types.
2760 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2762 * longlong.h (umul_ppmm): Don't use a multiline string.
2764 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2766 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2767 macro arguments when looking for the '('.
2768 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2769 2 when really parsing arguments; 1 when looking for '('.
2770 Always restore the lexer position.
2772 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2774 * cpplex.c (parse_string): Unconditionally pedwarn.
2776 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2778 * cpp.texi: Update.
2779 * cppexp.c (parse_number): Update.
2780 * cpplex.c (parse_string): Pedwarn if multiline string does not
2781 result from a system header's macro.
2782 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2783 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2784 for function-like macros too.
2786 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2788 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2789 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2790 shifts.
2791 * c-format.c (C_STD_VER): Cast to int for comparisons.
2792 (check_function_format): Cast various enums to int for &.
2793 (maybe_read_dollar_number): Likewise.
2794 (check_format_info): Likewise.
2795 (check_format_info_main): Likewise.
2796 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2797 (safe_from_p): Likewise.
2798 * varasm.c (const_hash): Cast enum to int for %.
2799 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2800 pcc enum problems with < and ++ operators.
2801 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2802 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2803 (regclass_init): Change enum class to int to iterate over reg_classes.
2804 * genrecog.c (merge_trees): Cast enums for comparison.
2805 * rtl.h (GET_CODE): Cast to enum rtx_code.
2806 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2807 (GET_MODE): Cast to enum machine_mode.
2808 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2809 (GET_NOTE_INSN_NAME): Cast enum to int.
2810 * tree.h (TREE_CODE): Cast to enum tree_code.
2811 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2812 * simplify-rtx.c (hash_rtx): Cast enums to unsigned unt.
2813 * timevar.c (timevar_print): Change loop variable id from enum to
2814 unsigned int.
2815 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2816 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2817 * toplev.c (compile_file): Cast enum DFI to int.
2818 (decode_d_option): Likewise.
2820 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2822 * cppinit.c (append_include_chain): Mark "after" include file name list
2823 as a system directory.
2824 * cpp.texi: Document new behavior.
2826 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2828 * cpphash.h (struct cpp_reader): Add print_version field.
2829 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2830 just set print_version and other flags as appropriate.
2831 (cpp_post_options): Print version here if print_version is set.
2833 * toplev.c (exit_after_options): New flag.
2834 (independent_decode_option): Don't exit here; just set
2835 exit_after_options.
2836 (main): Exit after calling lang_hooks.post_options if
2837 exit_after_options is true.
2839 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2840 (merge_include_chains): Adjust comment to match code.
2842 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2844 * stringpool.c (set_identifier): New function.
2845 * tree.h: Prototype it.
2847 * c-parse.in: Kill D_YES. If compiled for objc, call
2848 save_and_forget_protocol_qualifiers from init_reswords.
2849 * objc/objc-act.c (remember_protocol_qualifiers,
2850 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2851 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2852 vice versa.
2853 (save_and_forget_protocol_qualifiers): New function.
2854 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2856 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2858 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2859 * cppexp.c (lex): Cast enums for comparison.
2860 * cppinit.c (parse_option): Cast enum for comparison.
2861 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2862 (cpp_output_token): Likewise.
2863 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2864 (cpp_avoid_paste): Cast enums for minus and comparison.
2866 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2868 * Makefile.in (resource.o): Add params.h dependence.
2869 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2870 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2871 * resource.c: Add dependence on params.h.
2872 (current_live_regs): Fix explanatory comment.
2873 (find_basic_block): Add new parameter to permit limiting search
2874 for a BARRIER.
2875 (mark_target_live_regs): Add new argument to find_basic_block call.
2876 (incr_ticks_for_insn): Likewise.
2878 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2880 * Makefile.in (reorg.o): Add params.h dependence.
2881 * params.def: Fix typographical error in comment.
2882 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2883 * params.h: Modify introductory comment.
2884 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2885 * reorg.c: Add dependence on params.h.
2886 (redundant_insn): Add parameterized throttle for search.
2887 (fill_simple_delay_slots): Add a comment explaining a variable.
2888 Move conditional out of loop, simplifying code.
2889 (fill_eager_delay_slots): Fix typographical error in comment.
2891 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2893 * Makefile.in (OBJS): Add params.o.
2895 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2897 * Makefile.in (toplev.o): Depend on params.h.
2898 (intergate.o): Likewise.
2899 (params.o): New target.
2900 * flags.h (inline_max_insns): Remove.
2901 * integrate.c: Include params.h.
2902 Use MAX_INLINE_INSNS instead of inline_max_insns.
2903 * params.c: New file.
2904 * params.h: Likewise.
2905 * params.def: Likewise.
2906 * toplev.c: Include params.h.
2907 (lang_independent_params): New variable.
2908 (decode_f_option): Use the param machinery instead of setting
2909 max_inline_insns.
2910 (independent_decode_option): Handle "--param name=value".
2911 (main): Register language-independent parameters.
2913 Thu Mar 1 09:44:15 2001 Jeffrey A Law (law@cygnus.com)
2915 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2916 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2918 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2919 before determining its register class.
2921 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2923 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2924 from reg 4 if current_function_calls_setjmp.
2925 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2927 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2928 code not to try to optimize adds with anything but a REG destination.
2930 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2931 (INSN_PRIORITY_KNOWN): New accessor macro.
2932 * haifa-sched.c (priority): Use it instead of testing priority against
2933 zero.
2935 2001-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
2937 * cppinit.c (builtin_array): Update.
2938 (init_builtins): Flag builtins to warn if redefined or
2939 undefined. Define __GXX_WEAK as a normal macro.
2940 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2941 * cpplib.h (NODE_WARN): New flag.
2942 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2943 Handle __STDC__ as a builtin only on Solaris.
2944 (warn_of_redefinition): Renamed from check_macro_definition.
2945 Reverse sense of test. Always warn if NODE_WARN.
2946 (_cpp_create_definition): Use warn_of_redefinition. Flag
2947 any macro beginning with "__STDC_" to require a mandatory
2948 warning if redefined or undefined.
2949 * cppinit.c (set_lang): Move builtin handling to...
2950 (init_builtins): ...here.
2951 (_cpp_create_reader): Move call to set_lang.
2952 * cppfiles.c (stack_include_file): Generate dependencies
2953 here, and manage include_count here too.
2954 (PRINT_THIS_DEP): Delete.
2955 (_cpp_execute_include): Do not generate dependencies here,
2956 apart from the case of a missing header. Do not manage
2957 include_count.
2958 (_cpp_read_file): Leave dependency generation to
2959 stack_include_file.
2960 * cppexp.c (parse_number): Similarly.
2961 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2962 * cppmacro.c (struct cpp_macro): New member node.
2963 (parse_args): Only warn about missing rest args if not
2964 a system macro.
2965 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2966 (cpp_sys_objmacro_p): New.
2967 (_cpp_create_definition): Store the node with the macro defn.
2968 Remember if the macro is defined in a system header.
2970 2001-02-28 Nathan Sidwell <nathan@codesourcery.com>
2972 * extend.texi (Deprecated Features): Deprecate float and
2973 complex template constant parms.
2975 Tue Feb 27 16:45:00 2001 Jeffrey A Law (law@cygnus.com)
2977 * pa.c (override_options): Promote -fpic to -fPIC.
2978 (legitimize_pic_address): Simplify due to removal of
2979 small PIC as a code generation option.
2980 (secondary_reload_class): Similarly.
2981 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2982 (PRINT_OPERAND_ADDRESS): Similarly.
2983 * pa.md (various patterns): Similarly.
2984 (small pic lo_sum pattern): Remove.
2986 2001-02-27 Andreas Jaeger <aj@suse.de>
2988 * configure.in: Document that --disable-checking is default.
2989 * configure: Regenerated.
2991 2001-02-27 Mark Mitchell <mark@codesourcery.com>
2993 * configure.in: Make --disable-checking the default.
2994 * configure: Regenerated.
2996 2001-02-26 Mark Mitchell <mark@codesourcery.com>
2998 Revert the two previous changes.
3000 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3002 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3003 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3004 * config/i386/i386.md (movstrsi): Handle FAIL case.
3006 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3008 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3009 (ix86_set_move_mem_attrs_1): Likewise.
3010 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3011 * config/i386/i386.md (movstrsi): Call it.
3013 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3015 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3016 used to set another biv.
3018 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3020 * errors.c (internal_error, trim_filename): New functions.
3021 (fancy_abort): Call internal_error.
3022 * errors.h (internal_error, trim_filename): New declarations.
3024 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3026 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3027 2000-08-26's patch.
3028 (EXTRA_CONSTRAINT): Formatting changes.
3030 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3032 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3034 2001-02-23 Per Bothner <per@bothner.com>
3036 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3037 so they can be called from java/jvspec.c.
3038 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3040 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3042 * diagnostic.c (trim_filename): No longer static.
3043 * toplev.h (trim_filename): Declare.
3044 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3045 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3046 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3047 (rtvec_check_failed_bounds): Likewise.
3048 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3050 * convert.c (convert_to_integer): Don't do unsigned unless result or
3051 both inputs are unsigned.
3053 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3054 input overflows.
3056 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3058 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3060 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3062 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3063 check if either operand is divisible by C.
3064 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3065 If type is signed, consider negative numbers as well.
3067 2001-02-22 Richard Henderson <rth@redhat.com>
3069 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3070 reach .text instead of gp-relative relocs.
3071 * config/ia64/crtend.asm (.init): Likewise.
3073 2001-02-22 Andreas Jaeger <aj@suse.de>
3075 * extend.texi (C++ Attributes): Fix typo.
3077 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3079 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3080 functions, drop current_function_args_info.words test.
3081 (ia64_compute_frame_size): Mark syscall_linkage functions as
3082 using eight input registers.
3084 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3085 Bruce Korb <bkorb@gnu.org>
3087 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3088 * fixinc/README: Document how to convert sed substitutions
3089 to format style c_fix-es.
3090 * fixinc/fixincl.x: regen
3092 2001-02-21 Bruce Korb <bkorb@gnu.org>
3093 Rodney Brown <RodneyBrown@mynd.com>
3095 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3096 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3097 machine restrictions
3098 * fixinc/fixincl.x: regen
3100 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3102 * cppfiles.c: Update comments.
3103 (_cpp_read_file): Don't check for NULL filenames any more.
3104 * cppinit.c (cpp_start_read): Don't do canonicalization of
3105 in_fname and out_fname. Use the passed file name exclusively.
3106 (_cpp_handle_options): Don't treat "-" as a command line option,
3107 but as a normal filename.
3108 (_cpp_post_options): Canonicalize in_fname and out_fname.
3109 * cppmain.c (printer_init): Don't check out_fname for NULL.
3110 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3111 (init_c_lex): Update, and use "" to represent stdin to CPP.
3112 (yyparse): Update.
3114 2001-02-21 Kazu Hirata <kazu@hxi.com>
3116 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3117 character.
3118 (xorsi3): Likewise.
3120 Wed Feb 21 19:16:26 CET 2001 Jan Hubicka <jh@suse.cz>
3122 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3124 2001-02-21 Jason Merrill <jason@redhat.com>
3126 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3127 (struct tree_decl): Add uninlinable bitfield.
3128 * c-decl.c (duplicate_decls): Set it.
3129 * integrate.c (function_cannot_inline_p): Check it.
3131 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3132 DW_AT_MIPS_linkage_name to abstract methods.
3133 (dwarf2out_abstract_function): Emit class context before calling
3134 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3135 (gen_subprogram_die): Remove obsolete code.
3136 (gen_member_die): Don't include clones in the member list.
3137 (gen_decl_die): Emit abstract info for clone origin.
3138 * dwarfout.c (output_type): Don't include clones in the member list.
3139 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3140 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3141 DECL_ABSTRACT on a function that already has it set.
3143 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3144 (get_subprogram_die): Pass it in.
3146 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3148 * flow.c (mark_set_1): Make not_dead unsigned long. For
3149 non-pseudos, use it as a bitmask of the hard regs that
3150 don't die.
3152 2001-02-20 Will Cohen <wcohen@redhat.com>
3154 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3155 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3156 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3157 fixunstfsi_libfunc.
3159 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3161 * stmt.c (expand_return): If an attempt is made to return the
3162 error_mar_node, treat the return like a return without a value.
3164 Mon Feb 19 20:24:50 2001 Jeffrey A Law (law@cygnus.com)
3166 * pa.c (move_operand): Accept code to load the address of a
3167 symbol out of the DLT as a valid move operand.
3168 (print_operand, case 'A'): New to handle generating a DLT
3169 reference for a LO_SUM expression.
3170 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3171 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3173 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3175 * README, cpp.texi, gcc.texi: Update version number to 3.0.
3176 * cpp.1, gcov.1, gcc.1: Regenerate.
3178 2001-02-19 Richard Henderson <rth@redhat.com>
3180 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3181 would be disrupted.
3183 Mon Feb 19 10:11:53 2001 Jeffrey A Law (law@cygnus.com)
3185 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3186 target_cpu_default. Remove dead assignment to
3187 target_cpu_default.
3189 Mon Feb 19 16:46:56 CET 2001 Jan Hubicka <jh@suse.cz>
3191 * regclass.c (contains_reg_of_mode): Make global.
3192 (init_reg_sets): Remove contains_reg_of_mode; take into account
3193 CLASS_MAX_NREGS when looking for the proper mode.
3194 (dump_regclass): Dump only classes considered for the pseudo.
3195 (regclass): Use contains_reg_of_mode.
3197 Mon Feb 19 16:40:45 CET 2001 Jan Hubicka <jh@suse.cz>
3199 * gcc.c (do_spec_1): 'n' for printing notices.
3200 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3202 Mon Feb 19 16:20:04 CET 2001 Jan Hubicka <jh@suse.cz>
3204 * reg-stack.c (next_flags_user): Use current_block->end
3205 (swap_rtx_condition): Look for next user if flags don't die;
3206 give up on CALL_INSNs; use current_block->end.
3208 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3210 * invoke.texi (-fsquangle): Remove documentation.
3211 (-fname-mangling-version): Likewise.
3213 2001-02-18 Kazu Hirata <kazu@hxi.com>
3215 * config/h8300/h8300.md: Update copyright.
3216 (andsi3): Do not output an extra newline character.
3218 Sun Feb 18 17:03:06 2001 Jeffrey A Law (law@cygnus.com)
3220 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3221 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3222 (mostlyclean): Corresponding changes.
3223 * rtlanal.c (hard-reg-set.h): Include.
3224 (rtx_unstable_p): Do not treat the argument pointer specially
3225 if it is not a fixed register.
3226 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3228 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3230 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3231 assignments from FP constants sonce 'Y' output code can't handle it.
3232 (eligible_for_sibcall_delay): Likewise.
3234 * invoke.texi (-I): Add note avoiding use for system header files.
3236 * final.c (output_operand_lossage): Use internal_error, not error.
3238 2001-02-18 Shane Nay <shane@agendacomputing.com>
3240 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3241 structure shift insns.
3243 2001-02-18 Richard Henderson <rth@redhat.com>
3245 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3247 * reload1.c (reload_cse_simplify_set): Fix typo.
3249 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3251 * diagnostic.c (_fatal_insn): Decrement errorcount.
3253 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3255 * pa.c (hppa_expand_prologue): Simplify code storing return
3256 pointer. For large (>=8k) frames with a post_store, adjust stack
3257 pointer by 8k-64 first rather than by 64. When testing with
3258 VAL_14_BITS_P, always use the actual value rather than the value
3259 negated. Add blockage to prevent scheduling of spills before
3260 stack frame has been created.
3261 (hppa_expand_epilogue): Simplify code loading return pointer.
3262 Allow a slightly larger range for merge_sp_adjust_with_load case.
3263 When testing with VAL_14_BITS_P, always use the actual value.
3265 * pa.c (pa_adjust_insn_length): Check that block move
3266 pattern is a set before looking at operands.
3268 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3270 * fold-const.c (fold_binary_op_with_conditional_arg): New
3271 function, split out from ...
3272 (fold): ... here.
3273 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3274 conditional arms that throw exceptions.
3276 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3277 looking at a BLOCK.
3279 2001-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3281 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3282 define HAVE_DECL_* to 1 to mask potential backup declarations.
3283 * configure: Regenerated.
3285 2001-02-17 Richard Henderson <rth@redhat.com>
3287 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3288 when replacing a memory load with a register.
3290 2001-02-17 Joseph S. Myers <jsm28@cam.ac.uk>
3292 * gcc.texi, invoke.texi: Link to GCC 3.0 version of
3293 c99status.html.
3295 2001-02-16 Richard Henderson <rth@redhat.com>
3296 DJ Delorie <dj@redhat.com>
3298 * jump.c (jump_optimize_1): When we delete a conditional jump
3299 preceeding a non-conditional jump to effectively the same place,
3300 make sure that the combined jump skips any clobber insns between
3301 the two labels.
3303 2001-02-16 Jason Merrill <jason@redhat.com>
3305 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3306 NULL.
3307 (gen_subprogram_die): Don't abort on seeing a second definition if
3308 the previous one was abstract. Don't replace an abstract instance
3309 in the lookup table.
3311 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3312 gen_abstract_function.
3313 * dwarf2out.h: Declare it.
3314 * toplev.c (note_outlining_of_inline_function): New fn.
3315 * toplev.h: Declare it.
3316 * integrate.c (output_inline_function): Call it.
3317 * c-decl.c (duplicate_decls): Call it when redefining an extern
3318 inline. Don't inline the new defn.
3320 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3322 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3324 * objc/objc-act.c (start_class): Register implemented_classes with
3325 GC.
3327 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3329 * cppfiles.c (_cpp_make_system_header): Generate a file
3330 change callback.
3332 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3334 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3336 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3337 do in memory.
3339 2001-02-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3341 * version.c: Bump to "3.0 20010215 (prerelease)".
3343 Thu Feb 15 15:15:29 2001 Alexandre Oliva <aoliva@redhat.com>
3345 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3347 Thu Feb 15 00:20:31 CET 2001 Jan Hubicka <jh@suse.cz>
3349 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3351 * invoke.texi (-mreg-alloc): Deprecate.
3353 2001-02-14 Richard Henderson <rth@redhat.com>
3355 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3357 Wed Feb 14 23:35:57 CET 2001 Jan Hubicka <jh@suse.cz>
3359 * regclass.c (init_reg_sets_1): Reinstall the optimization
3360 together with Matt Kraai's fix.
3362 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3364 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3366 2001-02-14 Richard Henderson <rth@redhat.com>
3368 * regclass.c (init_reg_sets_1): Revert last change.
3370 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
3372 * extend.texi (Deprecated): Deprecate new initializer lists.
3374 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
3376 * mkdeps.c (deps_add_default_target): Robustify. Add
3377 basename component only.
3378 * cpp.texi (-M): Describe how default target is generated.
3379 * invoke.texi (-M): Likewise.
3381 2001-02-13 Zack Weinberg <zack@wolery.stanford.edu>
3383 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3384 's' slots in RTXen.
3385 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3386 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3388 Wed Feb 14 01:03:14 CET 2001 Jan Hubicka <jh@suse.cz>
3390 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3391 arrays.
3393 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3395 * config/sparc/sparc.c (function_value): Treat all non-record
3396 aggregate types like used to treat UNION_TYPE.
3398 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3400 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3401 (try_combine): Use it.
3403 2001-02-13 Richard Henderson <rth@redhat.com>
3405 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3406 entire operator; replicate that and match_dup the operands.
3407 (cmp_ccx_arith_op_set): Likewise.
3408 (cmp_cc_arith_op_not_set): Likewise.
3409 (cmp_ccx_arith_op_not_set): Likewise.
3411 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3413 * c-common.c (constant_fits_type_p): New function.
3414 (convert_and_check): Use it.
3416 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3418 * Makefile.in (GXX_ABI_FLAG): Don't define.
3419 * configure.in (--enable-new-gxx-abi): Remove option.
3420 * config.in: Regenerated.
3421 * configure: Likewise.
3423 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3425 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3426 basic block.
3427 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3428 regular basic block, and arrange for all edges into it to switch
3429 to normal mode.
3431 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3433 * Makefile.in (distclean): Do not remove .gdbinit.
3435 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3437 * Makefile.in (gcc.o): Fix typos.
3438 (protize.o): Likewise.
3439 (unprotoize.o): Likewise.
3441 2001-02-11 Richard Henderson <rth@redhat.com>
3443 * tree.c (build1): Check for null operand in last change.
3445 2001-02-11 Richard Henderson <rth@redhat.com>
3447 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3448 (fold): Don't assume a constant isn't foldable.
3449 * tree.c (build): Set TREE_CONSTANT for an expression with no
3450 side-effects and constant operands.
3451 (build1): Likewise.
3453 2001-02-10 Richard Henderson <rth@redhat.com>
3455 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3457 2001-02-10 Anthony Green <green@redhat.com>
3459 * cpp.texi (Standard Predefined): Add documentation for
3460 __OPTIMIZE_SIZE__.
3462 * c-common.c (combine_strings): Improve warning message.
3464 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3466 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3467 --oformat.
3468 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3470 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3472 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3473 CYGWIN_CROSS_DIR.
3475 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3477 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3478 fp_mode attribute.
3480 2001-02-09 Nick Clifton <nickc@redhat.com>
3482 * config/arm/arm.md: Change output contraint on post inc
3483 load/store multiple patterns to be a read/write contraint.
3485 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3487 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3488 .o files when using the -M options.
3490 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3491 David Edelsohn <edelsohn@gnu.org>
3493 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3494 handle DImode constants. Use one TOC entry for SImode and smaller
3495 constants, aligned properly.
3497 2001-02-08 Jason Merrill <jason@redhat.com>
3499 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3500 about the SP adjustment for saving the static chain pointer.
3501 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3502 offset when setting a temporary CFA register.
3504 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3506 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3507 powerpc-*-chorusos* .
3508 * config/rs6000/chorus.h : New file.
3509 * config/i386/chorus.h : New file.
3510 * config/sparc/chorus.h : New file.
3511 * config/sparc/t-chorus-elf : New file.
3513 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3515 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3516 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3517 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3518 (__WCHAR_TYPE__): Correct macro name.
3520 2001-02-08 Richard Henderson <rth@redhat.com>
3522 * config/i386/i386.c (ix86_frame_pointer_required): New.
3523 (ix86_setup_frame_addresses): New.
3524 (struct machine_funciton): Add accesses_prev_frame.
3525 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3526 ix86_frame_pointer_required.
3527 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3528 (SETUP_FRAME_ADDRESSES): New.
3529 * config/i386/i386-protos.h: Update.
3530 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3531 from FRAME_POINTER_REQUIRED.
3532 * config/i386/svr3gas.h: Likewise.
3533 * config/i386/sysv3.h: Likewise.
3534 * config/i386/v3gas.h: Likewise.
3536 2001-02-08 Richard Henderson <rth@redhat.com>
3538 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3539 calculation of the number of integer registers required.
3540 (function_arg_record_value): Likewise.
3542 2001-02-08 Jason Merrill <jason@redhat.com>
3544 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3545 two. Print file and line with "confused" message.
3547 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3549 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3551 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3553 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3555 * final.c (cleanup_subreg_operands): The address of a MEM can
3556 contain SUBREGs.
3558 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3559 for asms, too.
3561 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3563 * gcc.texi (Incompatibilities): Update documentation of
3564 preprocessing numbers.
3566 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3568 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3570 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3572 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3574 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3575 * gcc.c (struct compiler): Add cpp_spec field.
3576 (input_file_compiler): New variable.
3577 (do_spec_1): Allow a particular compiler to handle `%C'
3578 specially.
3579 (main): Store the current compiler in input_file_compiler.
3580 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3582 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3584 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3585 * cppinit.c (cpp_create_reader): Initialize them.
3586 (append_include_chain): cxx_aware arg might be unused.
3587 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3588 keywords and give them their phase 7 meaning. Pedwarn about
3589 this unless '__bool_true_false_are_defined' is defined.
3591 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3593 * lcm.c (optimize_mode_switching): Emit mode_set before the
3594 JUMP_INSN of an abnormal edge.
3596 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3598 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3599 a scheduling barrier at the end.
3601 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3603 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3605 * config/sh/sh.md (reload_outsf): Removed.
3606 (movsf_ie): Introduce constraints for FPUL loads and stores.
3607 (reload_insf): Broaden the output constraint.
3609 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3610 defined.
3611 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3612 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3614 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3616 * final.c: Revert my previous changes.
3617 * output.h: Make profile_label_no extern.
3618 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3619 for generating label.
3621 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3623 * config/i386/djgpp.h: Add comments about standard paths.
3624 (MD_EXEC_PREFIX): Undefine before defining.
3625 (MD_STARTFILE_PREFIX): New.
3627 2001-01-30 Bruce Korb <bkorb@gnu.org>
3629 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3630 (load_file): do not rely on load_file_data() to close file pointer
3631 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3632 fixinc/inclhack.def(irix_limits_const): add test_text
3634 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3636 * cppexp.c (parse_defined): Improve diagnostics for invalid
3637 syntax.
3639 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3641 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3643 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3645 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3646 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3647 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3648 (rs6000_output_symbol_ref): New function.
3649 (output_toc): Use VTABLE_NAME_P.
3651 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3653 * print-tree.c (print_node, case PARM_DECL):
3654 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3656 * stor-layout.c (reference_types_internal): New variable.
3657 (internal_reference_types): New function.
3658 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3659 * tree.h (internal_reference_types): New declaration.
3661 * cse.c (find_best_addr): Fix typo in computing cost.
3663 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3665 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3666 and this is the sum of a pointer and a constant, we know the result
3667 did not overflow.
3668 (num_sign_bit_copies, case PLUS): Likewise.
3669 * explow.c (convert_memory_address): Remove opposite SUBREG.
3670 * function.c (instantiate_new_reg): New function (from common code).
3671 (instantiate_virtual_regs_1): Call it.
3672 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3673 if pointers sign- or zero-extend.
3674 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3675 If pointers extend unsigned, use inside of SUBREG.
3676 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3678 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3680 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3681 subdir of gcc_gxx_include_dir.
3682 (gcc_gxx_target_include_dir): Remove.
3684 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3686 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3687 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3688 a high-level description.
3690 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3692 * final.c: Move the declaration of profile_label_no to ...
3693 * output.h: ... here.
3694 * function.c (expand_function_start): Call PROFILE_HOOK.
3695 * config/rs6000/aix.h: Define PROFILE_HOOK.
3696 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3697 * config/rs6000/rs6000.c (output_profile_hook): Define.
3698 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3699 output_profile_hook.
3700 tm.texi : Explain new macro PROFILE_HOOK.
3702 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3704 * extend.texi (Extended Asm): Do not say that semicolon is always
3705 a valid line-breaking character for GNU assemblers. Use
3706 newline-tab as the most commonly supported syntax. Use
3707 newline-tab rather than semicolon in multi-insn examples.
3709 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3711 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3713 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3714 David Edelsohn <edelsohn@gnu.org>
3716 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3717 code for AIX, even without flag_pic.
3719 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3721 * c-typeck.c (common_type): push and pop binding level around
3722 calling common_type on function parameters.
3724 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3726 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3728 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3730 * config/mips/mips.c (override_options): Fix typo in last change.
3731 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3732 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3734 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3736 * invoke.texi (-fdump-class-layout): Document.
3737 (-fdump-translation-unit): Use `=' as filename separator.
3739 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3741 * Makefile.in (s-mlib): Don't build multilibs if
3742 --disable-multilib.
3743 (DRIVER_DEFINES): Adjust accordingly.
3744 (gcc.o): Likewise.
3745 (protoize.o): Likewise.
3746 (unprotoize.o): Likewise.
3747 * configure.in: Recognize --enable-multilib.
3749 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3751 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3753 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3754 * configure.in: Remove --enable-libstdcxx_v3 support.
3755 * configure: Regenerated.
3757 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3759 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3760 Call abort instead of fatal.
3761 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3762 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3763 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3764 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3765 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3766 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3768 * diagnostic.h (set_internal_error_function): Renamed.
3769 * toplev.h (internal_error): Renamed from fatal.
3770 (pfatal_with_name): Deleted.
3771 (fatal_io_error): Now has printf-style arguments.
3772 * diagnostic.c (pfatal_with_name): Deleted.
3773 (fatal_io_error): Rework to have args in printf-style.
3774 (set_internal_error_function): Renamed from set_fatal_function.
3775 (internal_error): Renamed from fatal.
3776 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3777 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3778 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3779 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3780 * flow.c (verify_flow_info): Likewise.
3781 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3782 * config/mips/mips.c (save_restore_insns): Likewise.
3784 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3785 * flow.c (verify_flow_info): Likewise.
3786 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3787 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3788 (avr_normalize_condition): Likewise.
3789 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3790 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3791 (limit_reload_class, double_reg_to_memory): Likewise.
3792 (print_operand_address, emit_1600_code_shift): Likewise.
3793 (gen_tst_reg, gen_compare_reg): Likewise.
3794 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3795 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3796 Deleted.
3797 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3799 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3800 * objc/objc-act.c (build_ivar_chain): Likewise.
3801 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3802 pfatal_with_name.
3803 * graph.c (clean_graph_dump_file): Likewise.
3804 * profile.c (init_branch_prob): Likewise.
3805 * objc/objc-act.c (objc_init): Likewise.
3807 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3808 * config/avr/avr.c (avr_override_options): Likewise.
3809 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3810 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3811 * config/h8300/h8300.c (h8300_init_once): Likewise.
3812 * config/mips/mips.c (override_options): Likewise.
3813 * config/i386/i386.c (override_options): Likewise, rework.
3814 * config/m68k/m68k.c (override_options): Likewise.
3816 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3817 instead of fatal.
3818 * config/mips/mips.c (print_operand): Likewise.
3819 * hash.c (hash_allocate): Don't check for failure returns from
3820 obstack functions that can't fail.
3821 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3822 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3823 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3824 (get_object_reference): Likewise.
3826 2001-02-04 Nick Clifton <nickc@redhat.com>
3828 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3829 StrongARM1110, 10TDMI, and 1020T.
3831 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3833 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3835 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3837 * config/sh/sh.md (movdf load split): Pass register number to
3838 FP_OR_XD_REGISTER_P.
3840 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3842 * cppinit.c (BC): New macro.
3843 (builtin_array): Add __GXX_WEAK__.
3844 * cpplib.h (builtin_type): Add BT_WEAK.
3845 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3846 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3847 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3849 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3851 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3853 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3855 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3856 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3858 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3860 * cpphash.h: Rename ALIGN _ALIGN.
3861 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3863 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3865 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3866 compilation environment.
3867 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3868 control over location of cygwin includes and libs.
3870 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3872 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3874 2001-02-02 lars brinkhoff <lars@nocrew.org>
3876 * md.texi (Standard Names): remove reference to spur.md.
3878 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3880 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3881 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3882 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3883 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3884 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3886 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3888 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3889 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3890 number before reload.
3891 (c4x_adjust_cost): Return zero before reload.
3892 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3893 split before reload.
3895 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3897 * c4x.c (c4x_hard_regno_rename_ok): New.
3898 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3899 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3901 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3903 * diagnostic.h: Add missing "extern" in all declarations.
3905 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3907 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3908 as for gcc_gxx_include_dir.
3910 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3912 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3914 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3916 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3917 label before alignment to be used as the braf base address.
3918 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3919 branches.
3920 (casesi_jump_2): Require at least TARGET_SH2.
3922 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3923 truncation to 32-bit doubles on -m3e and -m4-single-only.
3925 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3927 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3928 the default when building a shared object.
3929 (init_spec): Use it.
3930 * testsuite/lib/g++.exp: Include the directory where libgcc
3931 is located to the LD_LIBRARY_PATH list.
3932 * invoke.texi (-shared-libgcc): Document the cases in which
3933 GCC defaults to using the shared libgcc.
3935 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3937 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3938 unsigned is wide enough.
3939 (BITS_PER_SI): New.
3940 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3941 (si_to_float): Likewise.
3942 (float_to_si, float_to_usi): Use BITS_PER_SI.
3944 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3946 * dwarf2out.c: Added explanation of abbreviations.
3947 (def_cfa_1): Added comments listing DWARF2 instructions.
3948 (cfa_temp_reg): Removed in favor of cfa_temp.
3949 (cfa_temp_value): Removed in favor of cfa_temp.
3950 (cfa_temp): New global variable.
3951 (dwarf2out_frame_debug_expr): Added extensive introductory
3952 comments explaining the function's transformations. Revised to
3953 use cfa_temp. Added some rtx checking. Generalize IOR case.
3954 (dwarf2out_frame_debug): Revised to use cfa_temp.
3955 (output_aranges): Cast as "unsigned" to avoid warning.
3956 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3957 explain which instructions must be marked.
3959 2001-02-01 Richard Henderson <rth@redhat.com>
3961 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3962 new instruction.
3964 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3966 * config/sh/crt1.asm (main_k): Modified so that start calls
3967 ___setup_argv_and_call_main.
3969 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3971 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3972 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3973 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3974 * cppmacro.c (builtin_macro): Set builtin flags here.
3975 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3976 (replace_args): Clarify intent.
3977 (cpp_get_token): Macro expansion tokens get the saved flags.
3978 Update.
3979 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3980 check.
3982 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3984 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3985 2001-Jan-29.
3987 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3989 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3990 returns Pmode pseudo, but we need ptr_mode.
3991 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3992 Remove bogus conversions; use HOST_WIDE_INT for size.
3993 Don't use TARGET if wrong mode.
3995 * config/i386/i386.c (ix86_compute_frame_size): Allow
3996 stack_alignment_needed to be non-default even if size is zero.
3998 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4000 * (hppa_init_pic_save): Emit the pic offset table
4001 reg save after last_parm_insn.
4002 * pa.c (hppa_init_pic_save): New function.
4003 * pa.h (hppa_init_pic_save): Declare.
4004 * pa.md (call, call_value, sibcall, sibcall_value): Use
4005 the above instead of duplicated code.
4007 * pa.c (hppa_encode_label): Correct size of alloca buffer
4008 so we don't overrun it. Correct leading `*' case.
4009 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4010 need to handle `*@'.
4011 (FUNCTION_NAME_P): Likewise.
4013 2001-01-31 Richard Henderson <rth@redhat.com>
4015 * config.gcc (alpha-osf5): Use float-i128.h.
4017 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4018 * config/float-i32.h: Likewise.
4019 * config/float-i64.h: Likewise.
4020 * config/float-sh.h: Likewise.
4021 * config/float-sparc.h: Likewise.
4023 2001-01-31 DJ Delorie <dj@redhat.com>
4025 * expmed.c (extract_bit_field): allow non-integral modes if we
4026 want to extract a whole register from itself.
4028 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4030 * c-typeck.c (set_init_index): If first is equal to last, assume as
4031 if it was not a range at all.
4033 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4035 * config/fp-bit.c: Include tm.h.
4036 (float_to_si): Don't assume SImode is 32-bits wide.
4037 (float_to_usi): Likewise.
4039 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4041 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4042 incomplete type.
4043 (typename): Call pending_xref_error after parsing typed_typespecs.
4044 * c-decl.c (lookup_tag): Give error immediately rather than
4045 leaving it pending if the tag of the wrong type is in the same
4046 binding level.
4047 (xref_tag): Don't pedwarn for forward declarations of enum types
4048 here.
4049 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4050 and enum tags.
4052 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4054 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4056 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4058 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4059 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4061 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4063 * cpphash.h (struct cpp_reader): New saved_flags.
4064 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4065 to avoid a paste after a pasted token.
4067 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4069 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4070 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4071 Wtype_MIN instead of LONG_MIN.
4073 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4075 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4076 README file.
4077 * fixinc/fixincl.x: Regenerated.
4078 * fixinc/inclhack.def (irix_limits_const): New definition to
4079 convert "const" to "__const" in limits.h.
4081 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4083 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4085 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4087 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4088 when register dies in the insn.
4090 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4092 * diagnostic.c (fatal): Fix word wrap.
4094 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4096 * combine.c (try_combine): Fix SUBREG setting for
4097 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4099 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4101 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4102 comparison codes.
4104 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4106 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4107 is not NULL.
4108 * toplev.c (decode_W_option): Update warn_larger_than
4109 unconditionally for each processed switch.
4111 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4113 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4114 to NULL_RTX.
4115 (hppa_expand_prologue): Delete code to save pic offset table register
4116 in the function prologue.
4117 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4118 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4119 table register at the beginning of the function after the prologue.
4121 2001-01-29 lars brinkhoff <lars@nocrew.org>
4123 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4125 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4126 Jeff Law <law@redhat.com>
4128 * pa.md (return): Revise comment for trivial return.
4129 (return_internal): Non-trivial return pattern for non-PIC code.
4130 (return_internal_pic): Non-trivial return pattern for PIC code.
4131 It uses the PIC register to ensure it is restored after
4132 function calls.
4133 (epilogue): Generate appropriate return for PIC and non-PIC code.
4135 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4137 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4139 2001-01-29 DJ Delorie <dj@redhat.com>
4141 * combine.c (if_then_else_cond): Pass the correct mode to
4142 operand_subword() for constants.
4144 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4146 * config/i386/cygwin.h: Add w32api to include search. Search different
4147 directories in a cross-build environment.
4149 2001-11-29 Tim Josling <tej@melbpc.org.au>
4151 * tree.h (TYPE_STUB_DECL): Add documentation.
4153 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4155 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4156 (sdbout_field_types): Likwise. Fix use of host_integerp.
4158 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4160 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4161 cygwin.h.
4163 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4165 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4166 to use flag_gnu_linker.
4168 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4170 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4171 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4173 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4175 * tree.c, tree.h (build_parse_node): Remove; was identical to
4176 build_nt.
4177 * c-lang.c (start_cdtor), objc/objc-act.c
4178 (build_module_descriptor): Use build_nt instead of
4179 build_parse_node.
4181 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4183 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4184 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4185 not have any upper bits set.
4187 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4189 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4191 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4195 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4197 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4198 (integer_minus_one_node): Define.
4200 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4202 * Makefile.in (bootstrap2-lean): Fix typo.
4204 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4206 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4207 : Don't set fe_value.
4208 * cpplib.h (AVOID_LPASTE): New flag.
4209 (struct cpp_hashnode): Remove fe_value.
4210 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4211 * cppmacro.c (builtin_macro): Don't set flags here.
4212 (replace_args): Set AVOID_LPASTE flag on first token of an
4213 argument, and the token following it.
4214 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4215 macro expansion, and on the token following it. Do it for
4216 builtins too.
4217 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4219 2001-01-27 Richard Henderson <rth@redhat.com>
4221 * config/alpha/t-ieee: Remove multilibbing.
4222 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4224 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4228 * Makefile.in: Remove all dependencies on defaults.h.
4229 * builtins.c: Don't include defaults.h.
4230 * c-common.c: Likewise.
4231 * c-decl.c: Likewise.
4232 * c-pragma.c: Likewise.
4233 * c-typeck.c: Likewise.
4234 * combine.c: Likewise.
4235 * i386.c: Likewise.
4236 * frame-ia64.c: Likewise.
4237 * cppexp.c: Likewise.
4238 * crtstuff.c: Likewise.
4239 * dbxout.c: Likewise.
4240 * dwarf2out.c: Likewise.
4241 * dwarfout.c: Likewise.
4242 * emit-rtl.c: Likewise.
4243 * except.c: Likewise.
4244 * expr.c: Likewise.
4245 * final.c: Likewise.
4246 * frame-dwarf2.c: Likewise.
4247 * libgcc2.c: Likewise.
4248 * optabs.c: Likewise.
4249 * profile.c: Likewise.
4250 * sdbout.c: Likewise.
4251 * toplev.c: Likewise.
4252 * tradcif.y: Likewise.
4253 * tree.c: Likewise.
4254 * varasm.c: Likewise.
4256 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4258 * builtins.c (expand_builtin_fputs): Use size_one_node when
4259 transforming into fwrite.
4261 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4263 * extend.texi (Attribute Syntax): New section.
4265 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4267 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4268 they didn't need fixing.
4270 2001-01-27 Janis Johnson <janis@us.ibm.com>
4272 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4273 if appropriate.
4274 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4275 to remove macro definitions that are duplicated from elfos.h.
4277 2001-01-27 Richard Henderson <rth@redhat.com>
4279 * config/i386/sco5gas.h: Move ...
4280 * config/usegas.h: ... here.
4281 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4283 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4285 * c-typeck.c (struct constructor_stack): Add range_stack member.
4286 (really_start_incremental_init): Clear it.
4287 (push_init_level): Save constructor_range_stack and clear it if
4288 pushing explicit braces.
4289 (pop_init_level): abort if constructor_range_stack is non-zero at
4290 explicit closing brace. Restore saved constructor_range_stack if
4291 not implicit.
4293 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4295 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4296 into register was forced into memory.
4298 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4300 * Makefile.in: Remove uses of + before $(MAKE).
4302 2001-01-26 Richard Henderson <rth@redhat.com>
4304 * stmt.c (cost_table): Remove.
4305 (COST_TABLE, cost_table_initialized): New.
4306 (estimate_case_costs): Use the later instead of the former.
4307 (balance_case_nodes): Likewise.
4309 2001-01-26 Richard Henderson <rth@redhat.com>
4311 * alias.c (objects_must_conflict_p): Read-only slots may not
4312 conflict despite having the same type.
4314 2001-01-27 Michael Hayes <mhayes@redhat.com>
4316 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4317 int variable.
4318 (check_ext_dependant_givs): Initialise u_start_val and
4319 u_end_val.
4320 (load_mems): Make last_max_reg unsigned.
4321 (try_swap_copy_prop): Use INSN_P and initialise set.
4323 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4325 * README.AVR : Removed.
4327 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4329 * pa-64.h (text_section): Remove declaration.
4331 * pa.md (return_internal): Remove mode on PIC register use.
4333 2001-01-25 lars brinkhoff <lars@nocrew.org>
4335 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4336 ASM_CLOSE_PAREN): fix typos.
4338 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4340 * acconfig.h: Define `const' to the empty string if neither
4341 __STDC__ nor __cplusplus is defined.
4342 * config.in: Regenerated.
4344 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4346 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4347 * collect2.c (main): Delete importf. Add ".obj" file extension.
4348 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4349 (aix_std_libs): Add additional AIX libraries to skip.
4350 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4351 * config/rs6000/aix51.h: New file.
4353 2001-01-25 Michael Hayes <mhayes@redhat.com>
4355 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4356 (loop_insn_emit_before): No longer static.
4357 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4358 (loop_givs_rescan, load_mems): Likewise.
4359 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4360 (maybe_eliminate_biv_1):
4361 (move_movables): Replace emit_call_insn_before with
4362 loop_call_insn_hoist.
4363 * loop.h (loop_insn_emit_before): Add.
4364 * unroll.c (copy_loop_body): Replace emit_insn_before with
4365 loop_insn_emit_before.
4367 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * diagnostic.c (fatal): Request preprocessed source.
4371 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4373 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4374 olddecl has argument types and newdecl has none, use the argument
4375 types from olddecl.
4377 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4379 * dwarf2out.c (prefix_of): New function. Determine longest common
4380 prefix of the two arguments. The units are whole path components.
4381 (output_file_names): When adding a new directory find the one entry
4382 with the longest common prefix already in the list. Artificially
4383 generate entry if there is none for this prefix.
4384 Fix test to check whether the zeroth directory entry is used.
4386 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4388 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4389 Changed all callers. Take it into account when deciding if a
4390 previously loaded value matches.
4392 2001-01-24 Richard Henderson <rth@redhat.com>
4394 * reload.c (find_reloads_subreg_address): Fail the substitution
4395 if the resulting address is insufficiently aligned.
4397 2001-01-24 DJ Delorie <dj@redhat.com>
4399 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4400 check the original operand's mode also.
4401 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4403 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4405 * c-parse.in (cast_expr): Move compound literals from here ...
4406 (primary): ... to here. Use standard terminology "compound
4407 literal" instead of "constructor expression".
4409 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4411 * gcc.1, cpp.1: Regenerate.
4413 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4415 * calls.c (emit_library_call_value_1): Memory slot for
4416 pass-by-reference argument should have the mode of the argument,
4417 not of the pointer to it.
4419 2001-01-24 Tom Tromey <tromey@redhat.com>
4421 * gcc.texi (G++ and GCC): Mention gcj manual.
4422 (Standards): Link to section of manual mentioning gcj/Java
4423 compatibility.
4425 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4427 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4428 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4429 * tradcpp.c (main): Add -imacros or -include'd dependencies
4430 for -M*.
4431 * cpp.texi (-M, -MM): Document -M -include behaviour.
4433 2001-01-24 Roger Collins <roger@ProProject.com>
4435 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4437 2001-01-24 Will Cohen <wcohen@redhat.com>
4439 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4440 whether registers are 32 bits or 64 bits in size.
4442 2001-01-24 Ben Elliston <bje@redhat.com>
4444 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4446 2001-01-24 Richard Henderson <rth@redhat.com>
4448 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4449 (builtin_longjmp): Use it instead of emit_indirect_jump.
4451 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4453 * bb-reorder.c (make_reorder_chain_1): Handle case where
4454 jump edge goes to the same block as the fallthru edge.
4456 2001-01-23 Jim Wilson <wilson@redhat.com>
4458 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4459 * frame.h (__ia64_personality_v1): Add prototype.
4460 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4461 prototype form. Add void * cast to first argument to personality
4462 call.
4463 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4464 (asctoe113): Likewise.
4465 * config/ia64/frame-ia64.c: Include eh-common.h.
4466 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4467 prototypes.
4468 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4469 to dump parameter.
4470 (itanium_split_issue): Add prototype.
4471 (gen_nop_type): Ifdef out.
4472 (find_best_packet): Initialize best_packet.
4473 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4474 result.
4475 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4476 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4477 (flushrs): Add explicit stop bit at end.
4478 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4479 trailing \ to >.
4481 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4483 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4484 of EH symbols.
4485 * libgcc2.c (__terminate_func): Make variable static.
4486 (__terminate_set_func): New function to set __terminate_func.
4487 * libgcc2.h (__terminate_func_ptr): New typedef.
4488 (__terminate_set_func): New function.
4490 2001-01-23 Richard Henderson <rth@redhat.com>
4492 * flow.c (init_propagate_block_info): Don't consider unchanging
4493 memories for dead frame store elimination.
4495 2001-01-23 Richard Henderson <rth@redhat.com>
4497 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4498 * defaults.h: ... here.
4500 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4502 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4504 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4506 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4508 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4510 * rs6000.h (rs6000_return_addr): Move prototype from here...
4511 * rs6000-protos.h (rs6000_return_addr): ...to here.
4512 (rs6000_init_expanders): Delete prototype.
4514 2001-01-23 Nick Clifton <nickc@redhat.com>
4516 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4517 (Spec Files): Document %B and %j and %. and %v3 and %M and
4518 %{S*&T} spec switches.
4520 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4522 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4524 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4525 Neil Booth <neil@daikokuya.demon.co.uk>
4527 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4528 Have -Werror make pedantic warnings errors, like the
4529 rest of GCC.
4531 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4533 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4535 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4537 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4538 * integrate.c (expand_inline_function): Initialize them.
4539 (subst_constants): If changing COMPARE so that both its arguments
4540 will be VOIDmode and the comparison mode will be lost, note
4541 compare_mode. Use the recorded compare_mode to optimize
4542 IF_THEN_ELSE.
4544 2001-01-23 Jason Merrill <jason@redhat.com>
4546 * dwarf2out.c (new_die): Use xcalloc.
4547 (output_die): Abort rather than emit a local reference to offset 0.
4549 2001-01-17 Andrew Haley <aph@redhat.com>
4551 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4552 of a saved register; return NULL instead.
4553 (copy_reg): Take a pointer to a source register rather than a
4554 frame_state.
4555 (next_stack_level): Remember the address in the stack frame of all
4556 saved registers.
4557 Use the saved register pointer array as the source of the CFA.
4558 (throw_helper): Rewrite. Unwind once rather than twice and keep
4559 track of saved registers as we go.
4561 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4563 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4564 * c4x.c (c4x_legitimize_reload_address): Remove.
4565 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4566 reload address for ldp(k) insn.
4568 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4570 * pa.md (return_internal): Add a USE of the PIC register to ensure
4571 it is restored after each call.
4572 (return expander): Corresponding changes.
4574 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4576 * rs6000.h (INIT_EXPANDERS): Delete.
4577 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4578 * rs6000.c (rs6000_override_options): Call *_machine_status from
4579 here...
4580 (rs6000_init_expanders): ...instead of here. Delete.
4581 (rs6000_mark_machine_status): New function.
4582 (rs6000_init_machine_status): Use xcalloc.
4583 (rs6000_return_addr): Generate RTX for the return address.
4584 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4585 (rs6000_stack_info): Use it.
4587 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4589 * gthr-win32.h: Include errno.h to get a declaration for
4590 EINVAL and _mingw.h if the target is mingw32.
4592 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4594 * cpp.texi: Correct typos.
4596 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4598 * explow.c (probe_stack_range): Ensure value passed to
4599 stack_check_libfunc is ptr_mode, not Pmode.
4601 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4603 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4604 case, don't use operand_subword to calculate a SUBREG that is
4605 wider than a word.
4607 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4609 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4611 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4612 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4613 valid. If not replace it by equivalent insns.
4615 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4617 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4618 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4619 (c4x_U_constraint, symbolic_address_operand): Likewise.
4620 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4621 memory.
4622 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4623 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4624 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4625 anulling slot because of silicon bug.
4626 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4628 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4630 * cppexp.c (parse_charconst): Change `mask' type to agree
4631 with parse_escape.
4633 2001-01-21 Richard Henderson <rth@redhat.com>
4635 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4636 pic_label_name in a linkonce section.
4638 2001-01-17 Philipp Thomas <pthomas@suse.de>
4640 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4641 found in libintl.
4642 * configure: Regenerate.
4644 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4646 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4647 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4649 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4651 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4652 If REVERSE nonzero then condition code in X must be reversed.
4653 (encode_section_info): Optimise if/else.
4654 (avr_function_value): Fix formatting.
4656 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4657 (difficult_branch): Likewise.
4658 (rvbranch): Likewise.
4659 (difficult_rvbranch): Likewise.
4661 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4663 * config/avr/libgcc.S: Fix comment.
4665 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4667 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4669 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4671 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4673 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4675 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4676 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4677 * configure, config.in: Regenerate.
4678 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4679 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4680 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4681 (doprint.o): New rule.
4683 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4685 * c-typeck.c (digest_init): Handle boolean types as scalars.
4687 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4689 * stmt.c (expand_return): Don't return anything if size is zero.
4690 Delete redundant assignment to BYTES.
4691 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4693 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4695 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4696 the same as the default library function names.
4697 * config/avr/avr.md: Document special characters after '%'.
4698 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4699 knowing which of the call-used registers are really clobbered.
4700 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4701 New. Both quotient and remainder from one libgcc.S call.
4702 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4703 clobber as few registers as possible.
4704 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4706 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4708 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4709 context of the top of the stack.
4711 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4713 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4714 (fixup_var_refs_insns): ...here.
4716 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4718 * function.c (fixup_var_refs_insns): Break up into
4719 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4720 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4721 [loop over hash table entries].
4722 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4723 fixup_var_refs_insns_with_hash, to match above changes.
4725 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4727 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4728 (libgcc.a): Likewise.
4729 (stmp-multilib): Likewise.
4730 (STAGE2_FLAGS_TO_PASS): Likewise.
4732 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4734 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4735 temporary if no_new_pseudos.
4737 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4739 * cppinternals.texi: Update.
4741 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4743 * arm.c (arm_init_builtins): Re-enable builtins.
4745 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4747 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4748 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4749 element to be null, and always expect an EXPR_LIST.
4750 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4751 * sched-deps.c (sched_analyze_1): Likewise.
4752 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4754 * regclass.c (max_set_parallel): New variable.
4755 (reg_scan): Take it into account in computation of max_parallel.
4756 (reg_scan_mark_refs, case SET): Compute it.
4758 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4759 args are REG.
4760 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4761 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4763 2001-01-19 Jason Merrill <jason@redhat.com>
4765 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4766 for the abstract instance of an inline function.
4768 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4769 J"orn Rennecke <amylaar@redhat.com>
4771 * reload1.c (move2add_note_store): Treat all registers directly or
4772 indirectly derived from a base register as members of the same set
4773 of values.
4774 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4775 of base register into account.
4777 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4779 * alias.c (find_base_value): Recognize TRUNCATE.
4780 (record_set): In PLUS case, invalidate if other summand is also a
4781 base value.
4783 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4785 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4786 entry to be EXPR_LIST.
4787 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4788 be an EXPR_LIST (but not null, which other code doesn't allow).
4789 (note_stores): Properly handle PARALLEL in SET.
4790 Recursively call for top-level PARALLEL.
4791 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4792 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4794 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4796 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4798 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4799 not pfile->skipping (== 0).
4801 2001-01-17 Nick Clifton <nickc@redhat.com>
4803 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4804 machine_status.
4806 2001-01-17 Jim Wilson <wilson@redhat.com>
4808 * invoke.texi (IA-64 options): Improve.
4810 2001-01-17 Tom Tromey <tromey@redhat.com>
4812 * invoke.texi (Optimize Options): Use `{}' to around @samp
4813 argument.
4815 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4817 * invoke.texi (-fno-guess-branch-probability): New option.
4819 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4821 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4822 case of making new double-word constant.
4823 Revert last change: instead just test i3_subst_into_i2.
4825 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4827 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4828 Use q constraints instead of r.
4830 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4832 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4833 (machine_function): Define.
4834 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4835 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4836 pa_free_machine_status): New functions.
4837 (override_options): Set {init,mark,free}_machine_status to above.
4838 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4839 PIC_OFFSET_TABLE_REGNUM_SAVED.
4840 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4841 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4842 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4843 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4844 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4846 2001-01-15 DJ Delorie <dj@redhat.com>
4848 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4849 (cpp.1): Ditto.
4850 (gcc.1): Ditto.
4852 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4854 * flow.c (propagate_on_insn): Make trying to delete a prologue
4855 or epilogue insn an ICE, not a warning. Allow doing this if
4856 the current function returns with stack pointer depressed.
4858 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4859 I3 having more than one SET.
4861 2001-01-16 Jim Wilson <wilson@redhat.com>
4863 * invoke.texi: Document IA-64 options.
4865 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4866 (fixup_errata): Delete TARGET_A_STEP use.
4867 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4868 (TARGET_SWITCHES): Delete -ma-step option.
4869 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4870 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4871 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4872 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4873 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4874 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4875 Delete.
4876 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4877 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4878 cmovsi_internal): Delete ! TARGET_A_STEP check.
4880 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4882 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4883 possibility to report bugs via postal mail. Change a URL and
4884 merge in a nearly duplicate statement...
4885 (Bug Reporting): ...from here.
4886 (Service): Refer to the Bug Reporting section instead of
4887 duplicating an URL.
4888 (Contributing): Remove trivial explanations concerning snapshots.
4890 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4892 * cppmain.c (general_init): Don't use ANSI prototype.
4894 2001-01-16 Tom Tromey <tromey@redhat.com>
4896 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4898 2001-01-16 Richard Henderson <rth@redhat.com>
4900 * config/i386/i386.h: Fix comment typo.
4901 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4902 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4904 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4906 * gcc.c: Revert previous -fsyntax-only-related change; move
4907 to cp/g++spec.c.
4909 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4911 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4912 inmode after checking GET_CODE (op).
4914 2001-01-16 Richard Henderson <rth@redhat.com>
4916 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4917 (MAX_MEM_SET_LIST_LEN): New.
4918 (propagate_one_insn): Update mem_set_list_len.
4919 (invalidate_mems_from_autoinc): Likewise.
4920 (invalidate_mems_from_set): Likewise.
4921 (mark_used_regs): Likewise.
4922 (init_propagate_block_info): Likewise. Stop collecting memories
4923 when we reach MAX_MEM_SET_LIST_LEN.
4924 (mark_set_1): Likewise.
4926 2001-01-16 Richard Henderson <rth@redhat.com>
4928 * unroll.c (precondition_loop_p): Fail if no iteration
4929 variable found.
4931 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4933 * gcc.c: When -fsyntax-only is given, do not complain about
4934 unused libraries.
4936 2001-01-15 Richard Henderson <rth@redhat.com>
4938 * config/i386/i386.c (asm_output_function_prefix): Remove.
4939 (ix86_asm_file_end): New.
4940 (load_pic_register): Generate pic_label_name into a
4941 staticly allocated buffer.
4942 * config/i386/i386-protos.h: Update.
4943 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4944 (ASM_FILE_END): New.
4945 * config/i386/i386afe.h: New file.
4946 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4947 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4948 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4949 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4950 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4951 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4952 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4954 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4956 * Makefile.in (install-man): Remove explicit dependency on
4957 $(srcdir)/gcc.1.
4959 * configure.in, configure: Revert previous patch requiring perl
4960 5.6.0.
4962 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4964 * toplev.c (flag_guess_branch_prob): New.
4965 (f_options): Add guess-branch-probability option.
4966 (rest_of_decl_compilation): Only estimate branch probability if
4967 flag set.
4968 (main): set flag_guess_branch_prob.
4970 * flags.h (flag_guess_branch_prob): New.
4972 2001-01-15 DJ Delorie <dj@redhat.com>
4974 * gcc.texi (Makefile): Add documentation for Makefile targets.
4976 2001-01-15 Philip Blundell <philb@gnu.org>
4978 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4979 (is_pic): Delete.
4980 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4981 (is_pic): Delete declaration.
4982 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4983 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4984 * config/arm/arm.md (builtin_setjmp_receiver): New.
4986 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4988 * arm.c (use_return_insn): Don't try to determine the function type
4989 until after reload has completed.
4990 (arm_output_epilogue): Don't adjust the sp value recovered from the
4991 stack.
4992 (emit_multi_reg_push): Don't record dwarf information for the pc.
4993 * arm.md (eh_epilogue): The function type may have changed, so it
4994 needs to be recalculated.
4995 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4996 unwind tables on arm/netbsd.
4998 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5000 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5001 (negated_cbranchsi4): Likewise.
5003 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5005 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5006 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5007 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5008 pass -mapcs-* options to assembler.
5009 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5010 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5011 (ASM_SPEC): Call subtarget_extra_asm_spec.
5013 2001-01-15 Andreas Jaeger <aj@suse.de>
5015 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5016 warnings.
5017 (ix86_expand_builtin): Likewise.
5019 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5020 warning about comparison between signed and unsigned.
5022 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5024 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5026 2001-01-14 Ralf Baechle <ralf@gnu.org>
5028 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5029 SUBTARGET_CPP_SPEC apropriatly.
5031 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5033 * varasm.c (make_decl_rtl): Fix typo in last change.
5035 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5037 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5038 linker supports the init_priority C++ attribute.
5039 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5040 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5041 linker does not support init_priority C++ attribute.
5043 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5045 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5047 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5049 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5050 * cp/lex.c (finish_parse): Similarly.
5051 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5052 Return the number of errors encountered.
5053 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5054 * cppmain.c (main): Don't call cpp_destroy.
5056 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5058 * configure.in: Require at least perl 5.6.0 to regenerate
5059 manpages.
5060 * configure: Regenerate.
5062 2001-01-14 Richard Henderson <rth@redhat.com>
5064 * genrecog.c (DT_veclen_ge): New.
5065 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5066 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5067 (nodes_identical_1): Handle DT_veclen_ge.
5068 (write_cond, debug_decision_2): Likewise.
5070 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5072 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5073 with ...
5074 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5076 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5078 * cppmain.c (do_preprocessing): New function; most of the old
5079 main.
5080 (main): Call it to do most of the work.
5081 (cb): Move from global scope to set_callbacks ().
5082 (setup_callbacks): Get the callback pointer.
5083 (general_init, printer_init): Clean up code and comments.
5085 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5087 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5088 compiling PIC.
5090 2001-01-14 Kazu Hirata <kazu@hxi.com>
5092 * config/h8300/h8300.c (get_shift_alg): Update comments.
5094 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5096 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5097 (alloc_page, ggc_alloc): Add casts to remove warnings.
5099 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5101 * combine.c (simplify_comparison): Don't change `code' when
5102 can't reverse comparison.
5104 2001-01-14 Richard Henderson <rth@redhat.com>
5106 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5107 update all call sites. Return true for all non-label constants.
5109 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5111 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5112 parameters.
5113 (ix86_expand_branch): Update.
5114 (ix86_expand_setcc): Update to handle multiple test conditions.
5115 (expand_int_movcc): Likewise.
5116 (expand_fp_movcc): Likewise.
5117 * i386-protos.h (ix86_expand_compare): New.
5118 * i386.md (andqi_?_slp, orqi_?_slp): New.
5119 (conditional trap expander): Update call to ix86_expand_compare.
5121 2001-01-14 Richard Henderson <rth@redhat.com>
5123 * config/vax/vax.md: Use nonimmediate_operand instead of
5124 general_operand in destinations.
5126 * config/vax/vax.md (indirect_jump): Use register_operand.
5128 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5129 * config/vax/vax.md (call_pop): Turn into an expander.
5130 (call_value_pop): Likewise.
5131 (call, call_value): New.
5133 2001-01-14 Andreas Jaeger <aj@suse.de>
5135 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5136 variables.
5137 (ix86_fp_compare_mode): Add unused attribute.
5138 (ix86_expand_fp_movcc): Remove unused variable.
5139 (ix86_expand_builtin): Make fcode unsigned.
5141 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5142 (expand_expr): Add cast to avoid signed warning.
5143 (store_field): Likewise.
5144 (store_constructor_field): Likewise.
5145 (store_constructor): Likewise.
5146 (store_expr): Likewise.
5147 (clear_storage): Likewise.
5148 (emit_group_store): Likewise.
5149 (emit_group_load): Likewise.
5151 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5153 * c-common.c: Move format checking code to ...
5154 * c-format.c: ... here. New file. Reorder some functions and
5155 declarations.
5156 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5157 New functions.
5158 * c-common.h (decl_handle_format_attribute,
5159 decl_handle_format_arg_attribute): Declare.
5160 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5161 (c-common.o): Adjust dependencies.
5162 (c-format.o): New list of dependencies.
5164 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5166 * unroll.c (loop_iterations): If we cannot prove iteration variable
5167 is set once in each iteration, punt.
5169 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5171 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5172 (*strlenhi): Remove clobber (which was buggy) of output address.
5174 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5176 * Makefile.in (generated-manpages): Add gcc.1
5177 ($(srcdir)/gcc.1): New target.
5178 (maintainer-clean): Delete $(srcdir)/gcc.1.
5179 * gcc.texi: Add macros @gccoptlist and @gol.
5180 * invoke.texi: Include option summary in manpage. Mark up option
5181 summary with @gccoptlist and @gol. Use @r in one place where
5182 appropriate.
5183 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5184 * gcc.1: Generate from invoke.texi.
5186 2001-01-13 Richard Henderson <rth@redhat.com>
5188 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5189 (struct page_entry): Add group member.
5190 (struct page_group): New.
5191 (struct globals): Add page_groups member.
5192 (alloc_anon): Only define for using mmap; remove valloc call.
5193 (page_group_index): New.
5194 (set_page_group_in_use): New.
5195 (clear_page_group_in_use): New.
5196 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5197 (free_page, release_pages): Likewise.
5198 * configure.in (with-gc): Default to ggc-page always.
5200 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5202 * reload1.c (replace_pseudos_in_call_usage): Use
5203 reg_equiv_constant and reg_equiv_address, and don't try
5204 regno_reg_rtx first.
5206 2001-01-13 Richard Henderson <rth@redhat.com>
5208 * ggc-page.c (alloc_page): Round up allocation size to one page.
5209 Set e->order on extra pages.
5211 2001-01-13 Richard Henderson <rth@redhat.com>
5213 * genrecog.c (nodes_identical): Expand commentary.
5214 (write_switch): Watch out for identical nodes.
5216 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5218 * cppfiles.c (_cpp_fake_include): New function.
5219 * cpphash.h (_cpp_fake_include): New.
5220 * cpplib.c (do_line): Call _cpp_fake_include when entering
5221 header files in preprocessed input.
5222 * cppmain.c (cb_pragma_implementation): Remove handling.
5223 (setup_callbacks): Don't register pragmas.
5225 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5227 * extend.texi: Udate for CPP.
5229 2001-01-13 Andreas Jaeger <aj@suse.de>
5231 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5233 * regmove.c: Add prototype for replace_in_call_usage.
5235 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5237 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5238 struct cpp_chunk, struct htab, struct toklist,
5239 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5240 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5241 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5242 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5243 (struct macro_args): Delete.
5244 * cpphash.h: See above.
5246 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5248 * cppmain.c (struct printer): Remove no_line_dirs.
5249 (options, cb): New.
5250 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5251 : Use options rather than CPP_OPTION.
5252 (setup_callbacks): Use cb rather than pfile->cb.
5253 (main): No need to check for a buffer. Use cpp_errors.
5254 (printer_init): Don't set no_line_dirs.
5255 (maybe_print_line): Use options not no_line_dirs.
5256 (cb_file_change): Don't call print_line if -P.
5258 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5260 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5261 callbacks.
5262 * c-parse.in (finish_parse): Use cpp_errors.
5263 (__yylex): Use return value of cpp_pop_buffer.
5264 * cp/lex.c (finish_parse): Use cpp_errors.
5265 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5267 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5269 * README.AVR: URLs corrected.
5271 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5273 * c-decl.c (start_function): Don't warn if old prototype is builtin
5274 that's not in C's namespace.
5275 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5276 (_bb): Add prototype for ctime.
5277 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5279 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5281 * i386.c (ix86_fp_comparison_arithmetics_cost,
5282 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5283 ix86_fp_comparison_cost): New functions.
5284 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5285 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5286 two-branch sequences; make static.
5287 (ix86_use_fcomi_compare): Do decision according to the costs.
5288 (split_fp_branch): New.
5289 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5290 * i386-protos.h (ix86_expand_fp_compare): Remove
5291 (ix86_split_fp_branch): Declare.
5293 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5294 and ix86_comparison_operator.
5296 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5297 to make it cheaper.
5299 * i386.c (put_condition_code): Output properly the unordered/ordered
5300 compares in fp case.
5301 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5303 * tm.texi (REVERSE_CONDITION): Document.
5304 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5305 in -ffast-math mode.
5306 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5308 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5310 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5312 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5313 optimized away.
5315 * config/sh/sh.c (mova_p): Fix test for mova_const.
5317 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5319 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5320 cpp_get_options rather than dereferencing pfile and using
5321 CPP_OPTION.
5322 * scan-decls.c (scan_decls): Use return value of
5323 cpp_pop_buffer rather than CPP_BUFFER.
5325 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5327 * cppinit.c (cpp_handle_option): help_only is now part of the
5328 cpp_options structure.
5329 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5330 cpp_set_callbacks): New functions.
5331 * cpplib.h (cpp_callbacks): Break out as a named structure.
5332 (cpp_options): Move help_only here from cpp_reader.
5333 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5334 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5335 cpp_set_callbacks): New prototypes.
5336 * cppmain.c (main): Update for help_only.
5338 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5340 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5341 Also build and remove and install and uninstall c-tree.info and
5342 cppinternals.info.
5343 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5344 ($(srcdir)/cppinternals.info): New target.
5345 * c-tree.texi: Change file name used when makeinfo used without -o
5346 from ir.info to c-tree.info. Add info directory entry.
5347 * cppinternals.texi: Add info directory entry.
5348 * .cvsignore: Update.
5350 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5352 * c-typeck.c (store_init_value): Don't require constant initializer
5353 elements with -pedantic -std=c99.
5354 (digest_init): Change error about non-constant initializer elements
5355 into pedwarn.
5356 (constructor_range_end): Remove.
5357 (constructor_incremental, designator_depth,
5358 designator_errorneous): New variables.
5359 (struct constructor_stack): Remove range_end, add incremental.
5360 (struct constructor_range_stack, constructor_range_stack): New.
5361 (struct initializer_stack): Add constructor_range_stack.
5362 (finish_init): Set it.
5363 (start_init): Likewise. require_constant_elements for non-static
5364 trees only if not flag_isoc99.
5365 (really_start_incremental_init): Remove constructor_range_end, add
5366 constructor_incremental.
5367 (pop_init_level): Likewise.
5368 (push_init_level): Likewise. If implicit and the subobject had some
5369 value set already, preinitialize the level with it.
5370 Warn about missing braces only if not pushing due to designators.
5371 (set_designator, push_range_stack): New functions.
5372 (set_init_label): Use them.
5373 (set_init_index): Likewise. Remove constructor_range_end.
5374 Error if designator index is outside of array bounds.
5375 (add_pending_init): Compare values of purpose index trees, not the
5376 trees themselves. Allow overwriting of already initialized element.
5377 Issue a warning if it had side-effects.
5378 (set_nonincremental_init, set_nonincremental_init_from_string): New
5379 functions.
5380 (pending_init_member): Rename to...
5381 (find_init_member): ...this function. Call set_nonincremental_init
5382 if necessary. Compare values of purpose index trees, not the trees
5383 themselves. Return the actual value, not just non-zero if something
5384 is found.
5385 (output_init_element): Remove checks for duplicates.
5386 If field has zero size, only check the initializer for correctness.
5387 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5388 if constructor_incremental is zero. Change error about initializers
5389 not computable at load time into pedwarn.
5390 (output_pending_init_elements): Compare bit positions, not
5391 FIELD_DECLs to take into account zero-sized fields.
5392 (process_init_element): Use constructor_range_stack to fill all
5393 ranges in the designator lists from current level up.
5394 * extend.texi: Update documentation for labeled elements.
5396 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5398 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5399 to function usage for arguments passed by reference. Optimize
5400 callee-copied arguments.
5401 * regmove.c (replace_in_call_usage): New function.
5402 (fixup_match_1): Call it.
5403 * cse.c (cse_insn): Canonicalize registers in function usage.
5404 * reload1.c (replace_pseudos_in_call_usage): New function.
5405 (reload): Call it.
5407 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5408 right version.
5410 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5412 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5413 not XEXP (tmp, 0).
5415 2001-01-12 DJ Delorie <dj@redhat.com>
5417 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5418 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5419 targets.
5421 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5423 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5424 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5425 -std options alongside references to -ansi. Update some
5426 documentation for C99.
5427 * cpp.1: Regenerate.
5429 2001-01-12 Andreas Jaeger <aj@suse.de>
5431 * haifa-sched.c (restore_line_notes): Remove argument block B
5432 since it's unused.
5433 * sched-ebb.c (schedule_ebb): Change caller.
5434 * sched-rgn.c (schedule_region): Likewise.
5435 * sched-int.h (restore_line_notes): Adjust prototype.
5437 * loop.h: Remove wrong declaration of doloop_condition_get.
5439 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5441 * extend.texi: Move C++-extension-related node from the C section
5442 into the C++ section.
5444 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5446 * extend.texi: Refer to an array of pointers to functions instead
5447 of one of functions.
5449 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5450 Jan Hubicka <jh@suse.cz>
5452 * combine.c (reversed_comparison): Fix typo in last patch.
5453 Check X for NULL.
5454 (combine_reversed_comparison_code): Make static to follow
5455 prototype declaration.
5457 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5459 * install.texi: Remove misplaced duplicate entry.
5461 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5463 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5465 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5467 * final.c: (leaf_function_p): Fix typo.
5469 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5471 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5472 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5473 which you have.
5474 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5475 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5476 mmap_anon, and valloc is available.
5477 * ggc-page.c: Restructure ifdef logic to match new autoconf
5478 spec. Don't throw away the test page in init_ggc.
5480 * configure, config.in: Regenerate.
5482 2001-01-12 Michael Hayes <mhayes@redhat.com>
5484 * loop.h (total_biv_increment): Constify iv_class pointer.
5485 (struct induction): Replace `mem_mode' with `mem' rtx.
5486 * unroll.c (total_biv_increment): Constify iv_class pointer.
5487 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5488 (find_mem_givs, combine_givs_p): Likewise.
5489 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5491 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5493 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5494 LastError.
5495 (__gthread_getspecific): Ditto.
5497 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5499 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5500 put_condition_code): Convert fp comparison codes to integer
5501 before handling.
5502 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5503 to final.
5505 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5506 * i386-protos.h (no_comparison_operator): Kill.
5508 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5510 * combine.c (REVERSIBLE_CC_MODE): Remove.
5511 (reversible_comparison_p): Remove.
5512 (combine_reversed_comparison_code): New.
5513 (reversed_comparison): New.
5514 (combine_simplify_rtx): Use
5515 combine_reversed_comparison_code/reversed_comparison instead
5516 of reversible_comparison_p.
5517 (simplify_if_then_else): Likewise.
5518 (simplify_set): Likewise.
5519 (simplify_logical): Likewise.
5520 (if_then_else_cond): Likewise.
5521 (known_cond): Likewise.
5522 (simplify_comparison): Likewise.
5524 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5526 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5527 sizeof (int) is larger than sizeof(__word__).
5529 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5531 * cppinit.c (do_includes): Fix typo.
5533 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5535 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5536 in S_REGS does not occur because not all sources are possible
5537 when a S_REGS is a destination (sometimes needs a clobber).
5538 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5539 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5540 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5541 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5542 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5543 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5544 (lshrdi_const1, lshrsi3_const16): Likewise.
5545 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5546 (*movhi_68hc12, *movqi_68hc12): Likewise.
5547 (movstrictqi): Make sure reloading in D_REGS as a destination
5548 does not happen.
5550 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5552 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5554 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5556 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5557 -D, -U and -A, and don't initialize the builtins.
5558 (do_includes): Error if -include or -imacros with -fpreprocessed.
5559 * cppmain.c (cb_define, cb_undef): Unconditionally process
5560 the callback.
5561 * tradcpp.c (main): Fix typo.
5563 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5565 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5566 (read_name_map): Use IS_ABSOLUTE_PATH.
5567 * tradcpp.c (get_filename): Likewise.
5569 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5571 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5572 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5573 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5574 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5575 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5576 (cmphi_z_used): Don't use '@' for the output.
5577 (tstqi_z_used): Likewise.
5578 (cmpqi_z_used): Likewise.
5579 (one_cmplsi2): Likewise.
5581 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5583 * config/sh/sh.c (barrier_align): Recognize branch around far
5584 branch and redundant insn.
5586 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5588 * invoke.texi: Restore documentation of the drivers' switches -MD
5589 and -MMD.
5591 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5593 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5595 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5596 check-objc//%): Support parallel testing of multilibs.
5597 (TESTSUITEDIR): Set to testsuite by default, but override for
5598 parallel testing.
5599 (check-gcc, check-g++, check-g77, check-objc): Enter
5600 $(TESTSUITEDIR).
5602 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5604 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5605 * sched-deps.c (deps_may_trap_p): Likewise.
5606 * basic-block.h: Remove a comment.
5607 * flow.c (PROP_POSTRELOAD): Remove.
5608 (update_life_info): Don't add it to prop_flags.
5609 (mark_set_1): Lose the code that was enabled by it.
5611 2001-01-11 Michael Hayes <mhayes@redhat.com>
5613 * flow.c (flow_call_edges_add): New.
5614 * basic_block.h (flow_call_edges_add): New.
5616 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5618 * reload1.c (move2add_note_store): Update reg_set_luid even if
5619 base reg remains the same.
5621 2001-01-10 Nick Clifton <nickc@redhat.com>
5623 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5624 machine_function structure to zero.
5625 Add prototypes for machine_status functions.
5627 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5629 * c-common.h (CTI_VOID_LIST): Remove.
5630 (void_list_node): Likewise.
5631 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5632 (void_list_node): New macro.
5633 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5634 * config/i386/i386.c (ix86_init_builtins): Likewise.
5635 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5637 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5639 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5640 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5641 if statement.
5642 * tradcpp.c: Include mkdeps.h.
5643 (deps, print_deps_phony_targets, deps_append, output_deps,
5644 init_dependency_output, output_deps): New.
5645 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5646 deps_output): Delete.
5647 (print_deps_missing_files): Rename deps_missing_files.
5648 (inhibit_output): Make global.
5649 (main): Delete inhibit_output, deps_stream, deps_target.
5650 Use mkdeps functionality in the same way as cpplib. Remove
5651 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5652 -M and -MM. Remove old handling of deps via deps_out, and
5653 old reading of environment variables.
5654 (get_filename): Update to use deps_add_dep.
5656 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5658 * output.h (make_function_rtl): Remove prototype.
5659 (make_decl_rtl): Likewise.
5660 * varasm.c (make_function_rtl): Remove.
5661 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5662 than from a third parameter.
5663 * tree.h (make_decl_rtl): Remove last parameter.
5664 * c-decl.c (builtin_function): Remove last argument in call to
5665 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5666 (start_function): Likewise.
5667 * except.c (call_get_eh_context): Likewise.
5668 * expr.c (emit_block_move): Likewise.
5669 (clear_storage): Likewise.
5670 * profile.c (output_func_start_profiler): Likewise.
5671 * toplev.c (rest_of_decl_compilation): Likewise.
5672 * objc/objc-act.c (create_builtin_decl): Likewise.
5673 (synth_module_prologue): Likewise.
5674 (generate_static_reference): Likewise.
5675 (build_selector_reference_decl): Likewise.
5676 (build_class_reference_decl): Likewise.
5677 (build_objc_string_decl): Likewise.
5678 (build_protocol_reference): Likewise.
5680 2001-01-10 Richard Henderson <rth@redhat.com>
5682 * hwint.h: Revert yesterday's change.
5684 2001-01-10 Nick Clifton <nickc@redhat.com>
5686 * function.h (save_machine_status): Delete.
5687 (restore_machine_status): Delete.
5688 Amend comment describing {init|mark|free}_machine_status.
5690 * function.c (save_machine_status): Delete.
5691 (restore_machine_status): Delete.
5692 Amend comment describing {init|mark|free}_machine_status.
5693 (push_function_context_to): Remove invocation of
5694 save_machine_status.
5695 (pop_function_context_from): Remove invocation of
5696 restore_machine_status.
5698 * emit-rtl.c (init_emit_once): Amend comment describing
5699 {init|mark|free}_machine_status.
5701 * tm.texi (Per-Function Data): New node. Describe the
5702 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5703 function pointers.
5705 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5707 * cppinit.c (OPT_g): Remove.
5708 (cpp_handle_option): Update for removed -g3.
5709 (print_help): Update.
5710 * cpplib.h (struct cpp_options): Remove debug_output.
5711 * cppmain.c (setup_callbacks, cb_define): Update.
5712 * gcc.c (cpp_options): Translate -g3 to -dD.
5714 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5716 * config/i960/i960.md: Change modifier to + on the zero_extract
5717 pattern after the (rotate -2 reg) canonicalization pattern.
5719 2001-01-10 Richard Henderson <rth@redhat.com>
5721 * config/alpha/alpha.c (alpha_free_machine_status): New.
5722 (override_options): Install it.
5723 (alpha_mark_machine_status): Verify machine non-null.
5724 * config/i386/i386.c (ix86_free_machine_status): New.
5725 (override_options): Install it.
5726 (ix86_init_machine_status): Use xcalloc.
5727 (ix86_mark_machine_status): Verify machine non-null.
5728 * config/ia64/ia64.c (ia64_free_machine_status): New.
5729 (ia64_override_options): Install it.
5730 (ia64_mark_machine_status): Verify machine non-null.
5732 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5734 * function.c (instantiate_virtual_regs): Instantiate virtual
5735 registers found in CALL_INSN_FUNCTION_USAGE.
5737 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5739 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5740 equivalent to -ansi in disabling -Di386.
5742 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5744 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5745 new functions.
5746 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5748 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5750 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5752 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5754 * invoke.texi: Document that -fcond-mismatch isn't supported for
5755 C++.
5757 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5759 * gcc.texi: Define macro gcctabopt.
5760 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5761 @command, @env and @option in some places where appropriate. Use
5762 @gcctabopt where appropriate. Put URLs and email addresses inside
5763 @w.
5765 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5767 * gcc.c (cpp_options): Set MD file name from output
5768 filename, if specified.
5769 (suffix_subst): New static variable.
5770 (do_spec): Clear it.
5771 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5772 Clear it.
5773 (give_switch): Handle suffix_subst.
5775 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5777 * invoke.texi: Fix another typo.
5779 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5781 * invoke.texi: Fix typo.
5783 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5785 * c-lang.c (lang_hooks): Update.
5786 (lang_decode_option): Remove.
5787 (lang_init_options): Rename c_init_options.
5788 * toplev.c (main): Use lang_hooks for lang_init_options
5789 and lang_decode_option.
5790 * toplev.h (lang_hooks): Add 2 new hooks.
5791 * tree.h: Remove lang_init_options and lang_decode_option.
5792 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5793 * cp/decl2.c: Similarly.
5794 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5795 (lang_hooks): Update.
5796 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5797 for consistency.
5798 (lang_init_options): Rename ffe_init_options.
5799 (lang_hooks): Update.
5800 (lang_decode_option): Remove.
5801 * java/lang.c (lang_init_options): Rename java_init_options.
5802 (lang_decode_option): Rename java_decode_option.
5803 (lang_hooks): Update.
5804 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5805 (lang_decode_option): Rename objc_decode_option.
5806 (lang_hooks): Update.
5808 2001-01-09 Nick Clifton <nickc@redhat.com>
5810 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5811 (d30v_return_addr_rtx): Delete.
5812 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5813 cfun->machine structure.
5814 (struct machine_function): Move to d30v.h
5815 (d30v_save_machine_status): Delete.
5816 (d30v_restore_machine_status): Delete.
5817 (d30v_init_machine_status): New Function.
5818 (d30v_mark_machine_status): New Function.
5819 (d30v_free_machine_status): New Function.
5820 (d30v_init_expanders): Use new functions.
5821 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5822 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5823 d30v_return_addr_rtx.
5825 * config/d30v/d30v.h (struct_machine): Move here.
5826 Add eh_epilogue_sp_ofs field.
5828 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5829 field in cfun->machine structure.
5831 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5833 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5834 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5835 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5837 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5839 * objc/lang-options.h: Remove bogus reference to
5840 Java trademark.
5842 2001-01-09 Kazu Hirata <kazu@hxi.com>
5844 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5845 return the result.
5847 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5849 * reload.c (find_reloads_address): Check for eliminable registers
5850 when substituting a constant expression for a pseudo.
5852 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5854 * c-common.c (enum format_type): Add format_type_error.
5855 (decode_format_type): New function.
5856 (decl_attributes): Use it.
5857 (format_kind_info): Adjust comment.
5859 2001-01-09 David O'Brien <obrien@BSDi.com>
5861 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5862 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5863 files in tm_file.
5864 * config/i386/gnu.h: Don't include required platform specific .h files,
5865 tm.h will do it instead.
5866 * config/i386/i386elf.h: Likewise.
5867 * config/i386/linux.h: Likewise.
5868 * config/i386/moss.h: Likewise.
5869 * config/mips/gnu.h: Likewise.
5871 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5873 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5874 (rs6000-ibm-aix3.[01]*): Likewise.
5875 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5876 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5877 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5878 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5879 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5880 (powerpc-*-eabiaix*): Likewise.
5881 (powerpc-*-eabisim*): Likewise.
5882 (powerpc-*-elf*): Likewise.
5883 (powerpc-*-eabi*): Likewise.
5884 (powerpc-*-rtems*): Likewise.
5885 (powerpc-*-linux*libc1): Likewise.
5886 (powerpc-*-linux*): Likewise.
5887 (powerpc-wrs-vxworks*): Likewise.
5888 (powerpcle-wrs-vxworks*): Likewise.
5889 (powerpcle-*-sysv*): Likewise.
5890 (powerpcle-*-elf*): Likewise.
5891 (powerpcle-*-eabisim*): Likewise.
5892 (powerpcle-*-eabi*): Likewise.
5893 (powerpcle-*-solaris2*): Likewise.
5894 * config/rs6000/aix31.h: Delete includes.
5895 * config/rs6000/aix3newas.h: Likewise.
5896 * config/rs6000/aix41.h: Likewise.
5897 * config/rs6000/aix43.h: Likewise.
5898 * config/rs6000/beos.h: Likewise.
5899 * config/rs6000/rtems.h: Likewise.
5900 * config/rs6000/sysv4.h: Likewise.
5902 2001-01-09 Kazu Hirata <kazu@hxi.com>
5904 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5905 Change an argument mode of machine_mode to shift_mode of
5906 shift_mode. Remove an extra error check.
5907 (emit_a_shift): Adopt to the new calling prototype of
5908 get_shift_alg.
5909 (function_prologue): Fix code for a monitor
5910 function. Support H8/S.
5911 (function_epilogue): Do not output pop for a monitor function.
5913 2001-01-09 Nick Clifton <nickc@redhat.com>
5915 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5916 (setup_incoming_varargs): Use sysv_varargs_p field of the
5917 cfun->machine structure.
5918 (struct machine_function): Move to rs6000.h
5919 (rs6000_save_machine_status): Delete.
5920 (rs6000_restore_machine_status): Delete.
5921 (rs6000_init_machine_status): New Function.
5922 (rs6000_free_machine_status): New Function.
5923 (rs6000_init_expanders): Use new functions.
5925 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5926 export.
5927 (struct machine_function): Move here.
5929 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5930 sysv_varargs_p field of the cfun->machine structure.
5932 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5933 Remove prototype.
5934 (rs6000_restore_machine_status): Remove prototype.
5936 2001-01-09 Richard Henderson <rth@redhat.com>
5938 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5939 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5940 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5941 (sched_analyze_2, sched_analyze_insn): Likewise.
5942 (sched_analyze, init_deps): Likewise.
5943 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5944 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5945 (compute_block_backward_dependences): Update propagate_deps call.
5947 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5949 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5951 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5953 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5954 (cpp_handle_option): Handle them.
5955 (cpp_post_options): Ensure one of -M or -MM is specified with
5956 any other -M? option.
5957 (init_dependency_output): Suppress output with -MG.
5959 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5961 * cpp.texi: Update.
5962 * invoke.texi: Update.
5964 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5966 * sh.md (reload_outsf): Generate recognizable patterns for
5967 TARGET_SH3E.
5969 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5971 * c-lang.c (lang_hooks): Update.
5972 (lang_init): Rename c_init.
5973 (lang_finish): Remove.
5974 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5975 and lang_finish ().
5976 * toplev.h (lang_hooks): Add init () and finish ().
5977 * tree.h (lang_init, lang_finish): Remove.
5978 * cp/tree.h (lang_init, lang_finish): Remove.
5979 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5980 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5981 lang_hooks): New.
5982 (lang_init, lang_finish): Remove.
5983 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5984 (lang_hooks): Update.
5985 * java/lang.c (lang_init): Rename java_init.
5986 (lang_finish): Remove.
5987 (lang_hooks): Update.
5988 * objc/objc-act.c (lang_init): Rename objc_init.
5989 (lang_finish): Remove.
5990 (lang_hoooks): Update.
5992 20001-01-09 Graham Stott <grahams@redhat.com>
5994 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5995 after `ptr` is initialised.
5997 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5999 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6000 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6001 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6002 stack adjusts, instead of r3.
6004 2001-01-09 Michael Hayes <mhayes@redhat.com>
6006 * flow.c (flow_loop_scan): Break out of ...
6007 (flow_loops_find) ... here.
6008 * basic-block.h (flow_loop_scan): New.
6009 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6010 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6012 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6014 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6015 macro_buffer_len.
6016 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6017 realloc()ing macro_buffer.
6019 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6020 if it's wider than long and the target's long is wider than the
6021 host's.
6023 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6025 Remove support for using UWIN as a host machine.
6026 * configure.in: Issue an error message.
6027 * configure: Regenerated.
6028 * config.gcc: Remove xm_* UWIN configury.
6029 * config/i386/xm-uwin.h: Remove.
6031 2001-01-08 Nick Clifton <nickc@redhat.com>
6033 * config/v850/v850.c (ra_rtx): Delete.
6034 (v850_save_machine_status): Delete.
6035 (v850_restore_machine_status): Delete.
6036 (v850_init_machine_status): New function.
6037 (v850_mark_machine_status): New function.
6038 (v850_free_machine_status): New function.
6039 (v850_return_addr): Use ra_rtx field in machine structure.
6040 (v850_init_expanders): Use new functions.
6042 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6043 * config/v850/v850.c: Change arguments to v850_output+* functions
6044 to take a const char *, to avoid compile time warning.
6045 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6046 (USER_LABEL_PREFIX): Redefine.
6048 2000-01-08 Jim Wilson <wilson@redhat.com>
6050 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6051 1 to unsigned HOST_WIDE_INT before left shift.
6053 2001-01-08 Nick Clifton <nickc@redhat.com>
6055 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6056 the machine structure has been allocated.
6057 (arm_free_machine_status): New function: Free the machine
6058 specific function structure.
6060 2001-01-08 Richard Henderson <rth@redhat.com>
6062 * jump.c (simplejump_p): Revert last change.
6064 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6066 * cppinit.c (init): Rename init_library.
6067 (cpp_create_reader): Update.
6068 * gcc.c (cpp_options): If -o given, use it as the target of
6069 any -M options.
6071 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6073 * arm.c (arm_arch5e): New variable.
6074 (all_cores): XScale is a 5TE device.
6075 (arm_override_options): Set arm_arch5e.
6076 (arm_init_builtins): __builtin_prefetch is in arch5e.
6077 * arm.h (arm_arch5e): Declare it.
6079 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6081 * arm.md (define_constants): Add defines for UNSPEC and
6082 UNSPEC_VOLATILE insns. Update all users.
6083 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6084 * arm.c (multi_register_push, note_invalid_constants)
6085 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6086 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6087 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6089 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6091 * jump.c (jump_optimize_1): Use reversed_comparison_code
6092 instead of can_reverse_comparison_p.
6093 (jump_back_p): Likewise.
6094 (invert_exp_1): Likewise.
6095 (thread_jumps): Likewise.
6096 * simplify-rtx.c (simplify_unary_operation): Likewise.
6097 (simplify_ternary_operation): Likewise.
6098 * cse.c (find_comparison_args): Convert to use
6099 can_reverse_comparison_p.
6100 (record_jump_equiv): Likewise.
6102 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6104 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6105 (EPILOGUE_USES): Define.
6106 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6107 automatically stack the LR if it isn't live.
6109 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6111 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6112 properly.
6114 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6116 * ggc-page.c (max_alignment): New structure.
6117 (MAX_ALIGNMENT): New macro.
6118 (init_ggc): Use it to round up the sizes in the
6119 extra_order_size_table.
6121 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6123 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6124 after reload.
6126 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6128 * builtins.def (BUILT_IN_FPRINTF): New entry.
6130 * c-common.c (c_expand_builtin_fprintf): New function.
6131 (init_function_format_info): Handle __builtin_fprintf.
6132 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6133 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6135 * c-decl.c (duplicate_decls): Adjust comment.
6137 * extend.texi (fprintf): Document new builtin.
6139 2001-01-07 Richard Henderson <rth@redhat.com>
6141 * jump.c (simplejump_p): Recognize any single_set jump
6142 of the proper form.
6144 2001-01-07 Richard Henderson <rth@redhat.com>
6146 * configure.in (slibdir): Accept an --with-slibdir option.
6147 Use "test" not "[" in configure. Default to $(libdir).
6149 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6150 fix typo in rm -f.
6151 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6152 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6153 (SHLIB_LINK): Create links for the soname.
6154 * config/mips/t-iris6: Likewise.
6155 * config/sparc/t-slibgcc: Likewise.
6156 * config/sparc/t-slibgcc-sld: Likewise.
6158 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6160 * config/i386/i386.c (constant_call_address_operand): Accept
6161 (const (plus (symbol_ref) (const_int))).
6162 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6163 constant_call_address_operand.
6165 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6167 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6168 and LONG_LONG_TYPE_SIZE > 32.
6170 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6172 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6173 the previous change.
6175 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6177 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6178 New.
6179 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6180 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6181 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6182 Declare.
6184 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6186 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6188 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6190 * c-lang.c (c_post_options): Call cpp_post_options.
6191 * objc/objc-act.c (objc_post_options): Similarly.
6192 * cppmain.c (main): Similarly.
6193 * fix-header.c (read_scan_file): Similarly.
6194 * cppinit.c (cpp_start_read): Move option consistency checks
6195 to cpp_post_options. Don't call init_dependency_output.
6196 If needed, add default target and main file dependency.
6197 (OPT_MD, OPT_MMD): Remove.
6198 (OPT_MF): New.
6199 (cpp_handle_option): Update for OPT_* changes.
6200 (cpp_post_options): New.
6201 (init_dependency_output): Command line -MF overrides environment
6202 variables. Don't set default target etc. Suppress output
6203 if dependencies are going to stdout.
6204 (print_help): Update.
6205 * cpplib.h (cpp_post_options): New.
6206 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6208 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6210 * jump.c (comparison_dominates_p): Support unordered compares.
6212 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6214 * simplify-rtx.c (simplify_relational_operation): Always simplify
6215 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6216 and UNGE.
6218 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6220 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6221 (nonzero_bits): Likewise.
6222 (simplify_comparison): Likewise.
6223 (num_sign_bit_copies): Likewise; return more sane value depending
6224 on STORE_FLAG_VALUE.
6225 (known_cond): Do not assume EQ to be always true for equivalent
6226 operands.
6228 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6230 * cse.c (fold_rtx): Handle unordered comparisons.
6232 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6234 * rtlanal.c (set_of_1): New static function.
6235 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6236 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6237 reg_set_last_last_regno): Remove.
6238 (set_of): New global function.
6239 (set_of_data): New structure.
6240 (reg_set_p, reg_set_last): Revamp for set_of.
6241 * rtl.h (set_of): New.
6243 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6245 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6246 * extend.texi: Document _Exit builtin.
6248 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6250 * (initialize, initialize_builtins,
6251 initialize_dependency_output, initialize_standard_includes):
6252 Rename s/initialize/init. Update.
6253 (init_dependency_output): Move to after
6254 cpp_handle_options, the correct location temporally at least.
6255 (opt_comp): Move next to init (), its caller. Fix prototype.
6256 (init): Make "initialized" local scope.
6257 (cpp_create_reader): Always call init ().
6258 (cpp_start_read): Update.
6259 (output_deps): New function, broken out of cpp_finish.
6260 (cpp_finish): Break out output_deps.
6262 2001-01-07 Richard Henderson <rth@redhat.com>
6264 * collect2.c (COFF specific stuff): Revert 12-06 patch
6265 to prototype system functions.
6267 2001-01-07 Michael Hayes <mhayes@redhat.com>
6269 * hard-reg-set.h: Add multiple include guard.
6270 * basic-block.h (struct loop): Add `sink' field.
6271 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6272 (emit_iv_add_mult): Delete.
6273 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6274 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6275 (unroll_loop): Remove end_insert_before argument.
6276 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6277 (maybe_eliminate_biv_1): Likewise.
6278 (emit_iv_add_mult): Delete.
6279 (gen_add_mult, loop_regs_update): New.
6280 (loop_insn_emit_after, loop_insn_emit_before): New.
6281 (loop_insn_sink, loop_insn_sink_or_swim): New.
6282 (emit_iv_add_mult): Delete.
6283 (scan_loop): Set loop->sink.
6284 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6285 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6286 (maybe_eliminate_biv_1): Likewise.
6287 (maybe_eliminate_biv_1): Add basic block argument.
6288 * unroll.c (unroll_loop): Remove end_insert_before argument.
6289 (find_splittable_regs): Likewise.
6290 (find_splittable_regs): Use loop_insn_sink and its ilk.
6291 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6293 2001-01-07 Michael Hayes <mhayes@redhat.com>
6295 * loop.h (loop_insn_hoist): New prototype.
6296 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6297 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6298 (check_dbra_loop, load_mems): Likewise.
6299 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6300 (find_splittable_givs): Likewise.
6302 2001-01-07 Michael Hayes <mhayes@redhat.com>
6304 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6306 2001-01-07 Richard Henderson <rth@redhat.com>
6308 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6310 2001-01-07 Richard Henderson <rth@redhat.com>
6312 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6313 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6314 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6315 variant that handles a shared libgcc.
6316 (process_command): Always validate -{static,shared}-libgcc.
6317 (do_spec_1): New 'M' case.
6318 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6320 2001-01-07 Richard Henderson <rth@redhat.com>
6322 * Makefile.in (slibdir): New variable.
6323 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6324 (installdirs): Create slibdir.
6325 (install-libgcc, install-multilib): Defer to libgcc.mk.
6326 * configure.in (slibdir): Substitute.
6327 * mklibgcc.in (install): New target.
6329 * config/t-linux (SHLIB_LINK): Create links for the soname.
6330 (SHLIB_INSTALL): New.
6331 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6332 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6333 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6334 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6335 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6337 2001-01-07 Richard Henderson <rth@redhat.com>
6339 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6340 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6341 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6343 2001-01-07 Michael Hayes <mhayes@redhat.com>
6345 * loop.c (count_loop_regs_set): Delete.
6346 (load_mems_and_recount_loop_regs_set): Delete.
6347 (loop_regs_scan): Merge common code from count_loop_regs_set,
6348 scan_loop, and load_mems_and_recount_loop_regs_set.
6349 (scan_loop): Call load_mems directly and loop_regs_scan
6350 again if new registers created.
6352 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6354 * toplev.c (main): Call the front-end specific post_options
6355 hook if one is given.
6356 * toplev.h (struct_lang_hooks, lang_hooks): New.
6357 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6358 for the C front end.
6359 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6360 lang_hooks for the C++ front end.
6361 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6362 lang_hooks for the ObjC front end.
6363 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6364 * java/lang.c (lang_hooks): Hooks for the Java front end.
6366 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6368 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6369 for verbose DWARF[2] debugging.
6370 (cb_define, cb_undef): The new callbacks.
6371 * toplev.h (debug_define, debug_undef): Make const correct.
6372 * toplev.c (debug_define, debug_undef): Similarly. Do not
6373 perform the verbosity tests here anymore.
6375 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6377 * reload.c (subst_reloads): Take INSN argument. When
6378 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6379 * reload.h (subst_reloads): Adjust prototype.
6380 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6381 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6382 present in JUMP_INSNs and copy them to JUMP_LABEL.
6383 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6384 JUMP_INSNs and insns with REG_LABELs that are followed by
6385 JUMP_INSNs with the same REG_LABEL.
6386 * sched-rgn.c (is_cfg_nonregular): Likewise.
6387 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6388 note is available.
6389 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6390 JUMP_INSNs too.
6391 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6393 2001-01-06 Richard Henderson <rth@redhat.com>
6395 * loop.c (scan_loop): Use xcalloc for the regs array.
6396 (load_mems_and_recount_loop_regs_set): Zero the new memory
6397 received from xrealloc.
6399 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6401 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6403 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6405 * integrate.c (copy_rtx_and_substitute): When copying
6406 an ignored return value, strip REG_FUNCTION_VALUE_P.
6408 2001-01-06 Michael Hayes <mhayes@redhat.com>
6410 * loop.c (debug_biv, debug_giv): New.
6411 (loop_biv_dump): Break out from ...
6412 (record_biv): ... here.
6413 (loop_giv_dump): Break out from ...
6414 (record_giv): ... here.
6415 (loop_bivs_check): Use print_simple_rtl.
6416 * unroll.c (loop_iterations): Use print_simple_rtl.
6418 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6420 * pa.md (return, return_internal): Modify patterns to prevent regrename
6421 mucking with the return pointer.
6423 2001-01-05 Richard Henderson <rth@redhat.com>
6425 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6427 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6429 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6430 version supplied by Matteo Frigo.
6432 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6434 * cpp.texi: Update for -MQ.
6435 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6436 (cpp_cleanup): Always free pfile->deps.
6437 (initialize_dependency_output): Don't create pfile->deps.
6438 (cpp_handle_option): Similarly.
6439 (OPT_MQ): New.
6440 * gcc.c (cpp_options): Handle -MQ.
6441 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6442 * mkdeps.c (base_name): Remove.
6443 (deps_init): Don't allocate vector space until it's needed.
6444 (deps_free): Only free vectors if allocated.
6445 (deps_add_target, deps_add_dep): Update for initial allocation.
6446 (deps_add_default_target): Don't strip to the base_name.
6448 2001-01-05 DJ Delorie <dj@redhat.com>
6450 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6451 (INIT_EXPANDERS): Define.
6453 * config/v850/v850.c (struct machine_function): Define.
6454 (v850_save_machine_status): New function.
6455 (v850_restore_machine_status): New function.
6456 (v850_return_addr): New function.
6457 (v850_init_expanders): New function.
6459 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6460 and v850_init_expanders.
6462 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6464 * cpplib.h (struct cpp_reader): Add help_only field.
6465 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6466 (cpp_handle_option): Set pfile->help_only if we see -h,
6467 --help, -target-help, or --version. Print version string but
6468 do not set help_only if we see -v or -version. Make text
6469 printed by -v match that printed by (-)-version.
6471 * cppmain.c (main): Exit after option parsing if
6472 pfile->help_only is true.
6474 * toplev.c (independent_decode_option): Call print_version,
6475 then exit, if we see --version (but not -version).
6476 (print_version): Split lengthy message into two lines.
6478 2001-01-05 Nick Clifton <nickc@redhat.com>
6480 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6481 temporary string for initialisation before calling ggc_alloc_string.
6483 2001-01-06 Michael Hayes <mhayes@redhat.com>
6485 * rtl.h (print_simple_rtl): New.
6486 * print-rtl.c (print_simple_rtl): New.
6487 (flag_simple): New.
6488 (print_rtx): Disable printing of flags and modes, etc.,
6489 if `flag_simple` nonzero.
6491 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6493 * function.c (fixup_var_refs): Use push_to_full_sequence where
6494 possible.
6496 2001-01-05 Michael Meissner <meissner@redhat.com>
6498 * flags.h (flag_reorder_blocks): Add declaration.
6499 (flag_rename_block): Ditto.
6501 2001-01-05 DJ Delorie <dj@redhat.com>
6503 * function.c (reorder_blocks): Make sure the flags are all reset
6504 before using them to mark blocks, else a second invocation will
6505 corrupt the block chain.
6506 (reorder_blocks_0): New, resets the flags.
6508 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6510 * cse.c (find_comparison_args): Stop if the argument is known to
6511 be constant.
6513 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6515 * config/sh/sh.md (movdf): When splitting load into pair of
6516 registers, don't clobber the register used in the address too
6517 early.
6519 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6521 * varasm.c (mark_constant_pool): Improve initial comments.
6522 (mark_constants): Move marking of constants to mark_constant.
6523 (mark_constant): New function to recursively mark all constants
6524 referred to by a constant.
6526 2001-01-05 Catherine Moore <clm@redhat.com>
6528 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6530 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6532 * cp/lang-options.h: Bring comment in line with reality.
6533 * f/lang-options.h: Likewise.
6534 * java/lang-options.h: Likewise.
6535 * objc/lang-options.h: Likewise.
6536 * ch/lang-options.h: Likewise.
6537 * f/g77.texi: And update the manual.
6539 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6540 Denis Chertykov <denisc@overta.ru>
6542 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6543 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6544 * config/avr/avr.md (all peepholes that request a scratch register):
6545 Call it, FAIL the peephole if not safe (in interrupt functions).
6547 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6549 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6551 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6553 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6554 Define.
6555 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6556 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6557 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6558 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6559 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6560 BUILT_IN_CIMAG.
6561 * extend.texi: Document these builtins.
6563 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6565 * c-common.c (lang_get_alias_set): Say we know nothing of
6566 VECTOR_TYPE aliasing.
6568 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6570 2001-01-05 Bruce Korb <bkorb@gnu.org>
6572 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6573 their x* equivalent versions for atexit-less systems
6574 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6575 systems (or any other system any more).
6577 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6579 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6580 output operands. Use arm_hard_register_operand for operand 4.
6581 (stmsi_postinc): Similarly.
6582 (ldmsi): Use arm_hard_register_operand for opernand 2.
6583 (stmsi): Similarly.
6584 * arm.c (arm_hard_register_operand): New function.
6585 * arm-protos.h (arm_hard_register_operand): Prototype it.
6587 * arm.h (HARD_REGNO_RENAME_OK): Define.
6589 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6591 * simplify-rtx.c (cfc_args): add "unordered" field.
6592 (check_fold_consts): Set unordered field.
6593 (simplify_relational_operation): Simplify the unordered
6594 comparisons.
6596 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6597 is valid.
6599 * emit-rtl.c (try_split): Fix code to mark labels.
6600 * jump.c (mark_jump_label): Make global.
6601 * rtl.h (mark_jump_label): Declare.
6603 * predict.c (estimate_probability): Handle unordred comparisons.
6605 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6607 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6608 * cppinit.c (initialize_dependency_output): Update.
6609 (cpp_finish): Output dummy targets for -MP.
6610 (OPT_MP): New.
6611 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6612 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6613 * gcc.c (cpp_options): Update to handle -MP.
6614 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6615 to quote only the default target.
6616 (deps_phony_targets): Insert a preceding newline. Rename from
6617 deps_dummy_targets for consistency.
6618 * mkdeps.h: Update
6620 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6622 * calls.c (emit_library_call_value_1): Support
6623 INIT_CUMULATIVE_LIBCALL_ARGS.
6624 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6626 2001-01-04 Richard Henderson <rth@redhat.com>
6628 * c-decl.c (finish_struct): Detect flexible array members
6629 used in an inappropriate context.
6630 * c-typeck.c (really_start_incremental_init): Special case
6631 constructor_max_index for zero length arrays.
6632 (pop_init_level): Allow initialization of flexible array
6633 members. Deprecate initialization of zero length arrays.
6634 Don't issue missing initializer warning for flexible array
6635 members or zero length arrays.
6636 (process_init_element): Don't dereference null DECL_SIZE.
6637 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6638 Don't abort for empty constructors. Use size_binop
6639 (output_constructor): Add commentary regarding zero length
6640 array futures. Abort if we try to initialize an array of
6641 unspecified length with a non-empty constructor in the middle
6642 of a structure.
6644 * extend.texi (Zero Length): Update and clarify documentation
6645 on static initialization.
6647 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6649 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6650 with more than 32767 words of local storage.
6652 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6654 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6655 for 'abs', 'labs', and 'fabs'.
6656 (c4x_expand_builtin): Likewise.
6657 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6659 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6661 * config/sh/sh.md (prget, prset): New insn types.
6662 (return delay slot): Dont' allow prset.
6663 (call, sfunc delay slot): Don't allow prget.
6664 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6665 for prset and prget.
6667 2001-01-05 Michael Hayes <mhayes@redhat.com>
6669 * loop.h (struct loop_reg): New.
6670 (struct loop_regs): Change to use array of `struct loop_reg'.
6671 * loop.c: Replace assortment of varrays with single regs array.
6672 (count_one_set): Delete may_not_move array argument
6673 and use regs array instead. All caller's changed.
6674 (count_loop_regs_set): Delete may_not_move and single_usage
6675 arguments and use regs array instead. All caller's changed.
6676 (find_single_use_in_loop): Replace usage array argument with pointer
6677 to regs structure. All caller's changed.
6678 (loop_optimize): Delete `moved_once' array.
6680 2001-01-05 Michael Hayes <mhayes@redhat.com>
6682 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6683 Use it instead of loop_info->has_call for scanning loop mems.
6684 (check_dbra_loop): Replace loop_info->has_call test with
6685 loop_info->has_nonconst_call.
6687 2000-01-04 Matthew Hiller <hiller@redhat.com>
6689 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6690 for TARGET_SH3E.
6692 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6694 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6695 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6697 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6699 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6700 (flag_short_double, flag_short_wchar): Define.
6701 (c_common_nodes_and_builtins): Create many tree nodes shared
6702 between C and C++ here instead of in cp/decl.c and ...
6703 * c-decl.c (init_decl_processing): ... here.
6704 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6705 (flag_short_double, flag_short_wchar): Don't define.
6706 (record_builtin_type): New function.
6707 (build_void_list_node): New function.
6708 * c-common.h (flag_short_double, flag_short_wchar,
6709 record_builtin_type, build_void_list_node): Declare.
6711 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6713 * integrate.c (expand_inline_function): Don't put a virtual
6714 register into the reg map.
6716 * function.c (fixup_var_refs_1): If force_operand didn't put
6717 the address into the target, move it there.
6719 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6721 Special-case tree_decl/tree_list allocations.
6722 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6723 (OBJECT_SIZE): New macro.
6724 (NUM_EXTRA_ORDER): Likewise.
6725 (extra_order_size_table): New variable.
6726 (NUM_ORDERS): New macro.
6727 (objects_per_page_table): New variable.
6728 (object_size_table): New variable.
6729 (G.pages): Use NUM_ORDERS to bound the array.
6730 (G.page_tails): Likewise.
6731 (DIV_ROUND_UP): Remove.
6732 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6733 (alloc_page): Use OBJECT_SIZE.
6734 (size_lookup): Don't make it const.
6735 (ggc_alloc): Use OBJECT_SIZE.
6736 (ggc_set_mark): Likewise.
6737 (ggc_get_size): Likewise.
6738 (init_ggc): Set up the object_size_table, objects_per_page_table,
6739 and adjust size_lookup.
6740 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6741 (ggc_pop_context): Use NUM_ORDERS.
6742 (clear_marks): Likewise.
6743 (sweep_pages): Likewise.
6744 (poison_pages): Likewise.
6745 (ggc_print_statistics): Use OBJECT_SIZE.
6747 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6749 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6750 Only call array_size_for_constructor if last field and array type
6751 with no upper bound.
6753 2001-01-04 Philip Blundell <philb@gnu.org>
6755 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6756 from bit 31 downwards, if this requires no more insns.
6757 (count_insns_for_constant): New helper function for above.
6759 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6761 * gencodes.c (output_predicate_decls): Remove empty initializer.
6763 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6765 * tree.c (copy_node): Remove documentation about obstacks.
6766 (buidl1): Check that nobody tries to build 2-argument nodes this
6767 way.
6769 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6771 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6772 fp_high_losum_p.
6774 * gencodes.c (output_predicate_decls): Fill empty initializer
6775 braces.
6777 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6779 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6780 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6781 or -MM.
6782 (do_include): Handle missing headers like cpp0.
6783 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6784 paths with first include pathname. Don't strcat to uninitialized
6785 string.
6787 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6789 * regrename.c (regrename_optimize): Don't rename from frame pointer
6790 if frame_pointer_needed.
6791 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6792 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6793 (ia64_reorg): Use it instead of scheduling if ! optimize.
6794 (errata_emit_nops): Properly call asm_noperands.
6795 (ia64_sched_reorder): Finish cycle if we see an asm.
6796 (ia64_variable_issue): Clear scheduling state after asms.
6798 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6800 * cpp.texi: Update for -MT.
6801 * cppinit.c (initialize_dependency_output): Add a default
6802 target if none has been given already.
6803 (no_tgt, OPT_MT): New.
6804 (cpp_handle_option): Handle -MT. Update -M etc.
6805 * cpplib.h (struct cpp_options): Remove deps_target.
6806 * gcc.c (cpp_options): Handle -MT.
6807 * mkdeps.c (struct deps): Move from mkdeps.h.
6808 (deps_calc_target): Rename deps_add_default_target. Add a
6809 default target if none has been specified already.
6810 * mkdeps.h (struct deps): Move to mkdeps.c.
6811 (deps_calc_target): Rename deps_add_default_target.
6813 2000-01-03 Richard Henderson <rth@redhat.com>
6815 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6816 Remove dead code.
6817 * c-typeck.c (push_init_level): Move checks for flexible array
6818 members and zero length arrays ...
6819 (pop_init_level): ... here. Silently discard empty initializations.
6820 Remove dead code.
6821 * varasm.c (output_constructor): Update for sizeof change to
6822 zero-length arrays.
6824 * extend.texi (Zero Length): Clarify semantics.
6826 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6828 * configure.in (tm.h): Include isns-codes.h last.
6829 * configure: Rebuilt.
6831 2001-01-03 Richard Henderson <rth@redhat.com>
6833 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6834 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6836 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6838 * tradcpp.c (main): Make sure finclude() is called with a valid
6839 indepth value while handling -include.
6841 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6843 * gencodes.c (output_predicate_decls): New function.
6844 (main): Call it.
6845 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6846 even if it is not the first time machmode.h is #included.
6847 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6848 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6849 * gcc.texi (Copyright): Added 2001.
6851 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6853 * c-common.c (c_common_lang_init): New function. Warn if format
6854 warning options which only have effects when used with -Wformat
6855 are used without -Wformat.
6856 * c-common.h (c_common_lang_init): Declare.
6857 * c-lang.c (lang_init): Call c_common_lang_init.
6858 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6860 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6862 * configure.in: Check for the mktemp command.
6863 * configure: Regenerate.
6864 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6865 $TEMP. Create temporary files with mktemp, if available at
6866 configure time; otherwise use set -C. Remove temporary files
6867 before exit.
6869 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6871 * configure.in: Require at least texinfo 4.0. Check for whether
6872 Pod::Man is sufficiently recent to regenerate GCC manpages.
6873 * configure: Regenerate.
6874 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6875 on #!.
6876 (GENERATED_MANPAGES): Define.
6877 (generated-manpages): New target. Depend on cpp.1 as well as
6878 gcov.1.
6879 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6880 configure to generated-manpages or empty) rather than on the
6881 manpages directly. Remove execute permission from installed
6882 gcov.1 as well as cpp.1.
6883 * cpp.1, gcov.1: Regenerate.
6885 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6887 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6888 tree_low_cst. Allow using cmpstrsi in more cases.
6890 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6892 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6893 sized types.
6895 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6897 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6898 * Makefile.in (HOST_CFLAGS): Mention build-make.
6900 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6902 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6903 as JUMP_INSN.
6905 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6907 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6908 a REG rtx.
6910 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6911 callers changed.
6913 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6914 reg_base_value and reg_known_value arrays.
6915 (init_alias_analysis): Add more cases to detect known values.
6916 * sched-deps.c (deps_may_trap_p): New function.
6917 (sched_analyze_2): Use it.
6919 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6921 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6922 don't discard an ASHIFTRT if we're shifting in a wider mode.
6924 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6926 * toplev.c (rest_of_compilation): Don't print basic block information
6927 when CFG isn't up to date.
6929 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6931 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6932 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6933 (UNALIGNED_SHORT_ASM_OP): Define.
6934 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6936 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6938 * fold-const.c (fold_convert): Fix typo.
6940 2001-01-02 Richard Henderson <rth@redhat.com>
6942 * c-common.h (ASM_INPUT_P): New.
6943 * c-parse.in (asm): Set it when needed.
6944 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6945 existance of an operand.
6947 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6949 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6950 (dwarf2out_frame_debug_expr): Likewise.
6951 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6953 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6955 * i386.c (ix86_split_to_parts): Return number of part required;
6956 handle TFmodes.
6957 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6958 TFmodes.
6959 (ix86_split_long_move): Use number of part returned
6960 by ix86_split_to_parts
6961 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6962 New macros.
6963 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6964 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6965 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6966 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6967 (ALIGN_MODE_128): Add TFmode.
6968 (IS_STACK_MODE): Likewise.
6969 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6970 (HARD_REGNO_OK): Support TFmodes.
6971 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6972 * i386.md (scheduler definitions): Use memory operand to determine
6973 fst/fld instructions; use mode attribute to determine real mode of
6974 the instruction.
6975 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6976 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6978 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6980 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6982 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6984 * expr.c (store_constructor_field): Update ALIGN before calling
6985 store_constructor.
6987 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6989 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6990 host_integerp.
6992 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6994 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6995 incomplete type.
6997 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6999 * c-decl.c (start_function): Don't warn on third parameter to main.
7001 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7003 * tsystem.h: Define HAVE_DECL_GETOPT.
7005 2001-01-02 Philip Blundell <pb@futuretv.com>
7007 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7008 of input operand.
7010 2001-01-02 Richard Henderson <rth@redhat.com>
7012 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7014 2001-01-02 Andreas Jaeger <aj@suse.de>
7016 * c-decl.c (c_decode_option): Remove support of
7017 -Wmissing-noreturn.
7019 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7020 (W_options): Add -Wmissing-noreturn here.
7022 * flow.c: Define lang_missing_noreturn_ok_p.
7023 (check_function_return_warnings): Use it.
7025 * c-common.h: Declare lang_missing_noreturn_ok_p.
7027 * c-lang.c (c_missing_noreturn_ok_p): New function.
7028 (lang_init): Set lang_missing_noreturn_ok_p.
7030 * invoke.texi (Warning Options): Document this.
7032 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7034 * extend.texi (C++ Extensions): New node for C++ attributes;
7035 describe init_priority and com_interface.
7036 * invoke.texi: Remove -finit-priority as it now has zero effect.
7037 * install.texi: Fix xref syntax.
7038 * md.texi: Likewise.
7040 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7042 * config.gcc (sparc64-wrs-vxworks*): New case.
7043 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7045 * config/sparc/sparc.c (sparc_override_options): Do support different
7046 pointer and architecture size.
7047 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7048 (POINTERS_EXTEND_UNSIGNED): Define.
7049 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7050 (FUNCTION_MODE): Define to be Pmode.
7051 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7053 * function.c (expand_function_end): Properly handle DECL_RESULT
7054 and copy when ptr_mode != Pmode.
7055 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7057 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7059 * c-common.c (c_common_nodes_and_builtins): Set prototype
7060 parameters for __builtin_fputs, __builtin_fputc and
7061 __builtin_fwrite. Don't declare plain fputc as a builtin.
7063 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7065 * loop.c (add_label_notes): Increment the label usage count when
7066 a note is added to an insn which refers to a CODE_LABEL.
7067 * gcse.c (add_label_notes): Likewise.
7069 2001-01-01 Andreas Jaeger <aj@suse.de>
7071 * loop.c (scan_loop): Use xmalloc to allocate movables.
7073 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7075 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7076 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7077 * reload1.c (REGISTER_MOVE_COST): Likewise.
7078 * regclass.c (REGISTER_MOVE_COST): Likewise.
7079 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7080 dimension. Adjust all users.
7081 (init_reg_sets_1): Iterate on all modes.
7082 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7083 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7084 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7085 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7086 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7087 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7088 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7089 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7090 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7091 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7092 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7093 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7094 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7095 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7096 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7097 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7098 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7099 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7100 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7101 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7102 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7103 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7104 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7105 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7106 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7107 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7108 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7110 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7112 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7113 arg VARIES_P. Call it with extra arg.
7114 (true_dependence): Likewise.
7115 * rtl.h (rtx_addr_can_trap_p): Declare.
7116 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7117 prototypes.
7118 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7119 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7120 pic offset table register if it's zero. All callers changed.
7121 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7123 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7125 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7126 STRING_POOL_ADDRESS_P.
7128 * config/sparc/sparc.c (input_operand): Properly test for short op.
7130 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7131 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7132 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7133 * config/sparc/elf.h: No longer include sol2.h.
7134 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7135 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7137 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7139 2001-01-01 Michael Hayes <mhayes@redhat.com>
7141 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7142 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7143 (record_initial): Likewise.
7144 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7145 (remap_split_bivs): Likewise.
7147 2001-01-01 Michael Hayes <mhayes@redhat.com>
7149 * loop.c (loop_ivs_free): New function.
7150 (strength_reduce): Break out from...
7152 2001-01-01 Michael Hayes <mhayes@redhat.com>
7154 * loop.h (struct iv): New.
7155 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7156 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7157 'reg_biv_class' fields with 'regs' and 'n_regs'.
7158 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7159 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7160 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7162 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7164 * resource.c (mark_referenced_resources): Abort() before
7165 attempting to mark a pseudo register.
7166 (mark_set_resources): Likewise.
7168 2001-01-01 Michael Hayes <mhayes@redhat.com>
7170 * loop.h (REG_IV_CLASS): New accessor macro.
7171 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7172 * unroll.c (REG_IV_CLASS): Likewise.
7174 See ChangeLog.4 for earlier changes.