1 2001-05-16 Richard Henderson <rth@redhat.com>
3 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
4 variants of non-absolute encodings.
6 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
8 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
9 __register_frame_info_table_bases): Export.
11 2001-05-16 Richard Henderson <rth@redhat.com>
13 * except.c (eh_data_format_name): Move to ...
14 * dwarf2asm.c: ... here. Use designated initializers if available.
15 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
16 * dwarf2asm.h: Update declarations.
17 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
18 ASM_PREFERRED_EH_DATA_FORMAT.
19 (output_call_frame_info): Likewise. Use 'L' augmentation for
22 * unwind-dw2-fde.h (struct fde_vector): New.
23 (struct old_object): Rename from struct object.
25 (__register_frame_info_bases): Declare.
26 (__register_frame_info_table_bases): Declare.
27 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
28 * unwind-dw2-fde.c (objects): Remove.
29 (unseen_objects, seen_objects): New.
30 (__register_frame_info_bases): New.
31 (__register_frame_info): Use it.
32 (__register_frame_info_table_bases): New.
33 (__register_frame_info_table): Use it.
34 (__deregister_frame_info): Rewrite for changed object struct.
35 (base_from_object, get_cie_encoding, get_fde_encoding): New.
36 (fde_unencoded_compare): Rename from fde_compare; uninline.
37 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
38 (start_fde_sort): Adjust for new definition of fde_vector.
39 (fde_insert): Likewise.
40 (end_fde_sort): Likewise. Select comparison function based
41 on properties of the object.
42 (fde_split): Take object and fde_compare_t arguments.
43 (frame_heapsort, fde_merge): Likewise.
44 (classify_object_over_fdes): Rename from count_fdes. Handle
45 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
47 (add_fdes): Handle encoded pointers.
48 (init_object): Rename from frame_init. Update for new struct object.
49 (linear_search_fdes): Rename from search_fdes. Handle encoded
51 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
52 (binary_search_single_encoding_fdes): New.
53 (binary_search_mixed_encoding_fdes): New.
55 (_Unwind_Find_FDE): Update for new struct object. Fill in
57 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
58 iterating over EH data.
59 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
60 fde_encoding, lsda_encoding.
61 (read_uleb128, read_sleb128): Remove.
62 (read_encoded_pointer): Remove. All callers use read_encoded_value.
63 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
64 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
66 * unwind-pe.h: Add "struct" to _Unwind_Context references.
68 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
70 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
71 * cpphash.c (_cpp_lookup_with_hash): Similarly.
72 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
73 cpp_spell_token, cpp_output_token): Similarly.
74 * cpplib.c (lex_macro_node, do_undef, do_pragma,
75 do_pragma_poison, parse_assertion, do_assert): Similarly.
76 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
77 save_parameter, _cpp_create_definition, check_trad_stringification,
78 cpp_macro_definition): Similarly.
79 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
80 * c-lex.c (cb_undef, c_lex): Similarly.
81 * fix-header.c (recognized_function): Similarly.
82 * cpplib.h (NODE_LEN, NODE_NAME): New.
83 (cpp_hashnode): Rename length len.
85 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
87 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
90 2001-05-16 Andreas Jaeger <aj@suse.de>
92 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
94 * toplev.c: Include dwarf2asm.h for prototype of
95 dw2_output_indirect_constants.
97 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
99 * stmt.c (expand_asm_operands): Be able to offload addressof
100 expression to memory. (PR optimization/185)
102 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
104 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
105 applying distributive law.
107 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
109 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
111 * gthr-dce.h (UNUSED): Attribute unused macro.
112 (__gthread_key_dtor): Make arguments UNUSED.
113 (__gthread_key_delete): Revise for compatibility with DRAFT4
116 2001-05-16 David Edelsohn <edelsohn@gnu.org>
118 * doc/install.texi: Update AIX information.
119 * README.RS6000: Remove obsolete file.
121 2001-05-16 Jakub Jelinek <jakub@redhat.com>
122 Nathan Sidwell <nathan@codesourcery.com>
124 * gcc.c (give_switch): Don't write before start of string.
125 Always append suffix.
127 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
129 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
132 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
134 * README.ALTOS: Remove obsolete file.
136 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
138 * c-lex.h (save_and_forget_protocol_qualifiers,
139 forget_protocol_qualifiers, remember_protocol_qualifiers):
140 Remove deleted functions' prototypes.
142 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
144 * c-parse.in (methodtype): New production.
145 (methoddef, methodproto): Collapse separate '-' and '+'
148 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
150 * c-common.h (RID_FIRST_PQ): New.
151 * c-parse.in (objc_pq_context): New.
152 (objc parser): Set objc_pq_context rather than calling
153 remember_protocol_qualifiers and forget_protocol_qualifiers.
154 Don't call save_and_forget_protocol_qualifiers.
155 (yylexname): Handle objc protocol qualifiers here.
156 * stringpool.c (struct str_header): Replace with sp_hashnode.
157 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
158 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
159 Allocate an IDENTIFIER_NODE for each identifier.
160 (FORALL_STRINGS, set_identifier): Delete.
161 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
162 (ggc_alloc_string): Use an obstack.
163 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
164 * tree.h: Update comments.
165 (set_identifier): Delete.
166 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
167 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
168 remember_protocol_qualifiers): Delete.
170 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
172 * flow.c (life_analysis): After life analysis is complete, do
173 an optional scan over insns looking for REG_LABEL notes that
174 reference a deleted label.
175 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
176 before peeking at LABEL_NUSES.
178 2001-05-15 Richard Henderson <rth@redhat.com>
180 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
181 (_Unwind_GetTextRelBase): New.
183 2001-05-15 Mark Mitchell <mark@codesourcery.com>
185 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
187 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
189 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
190 so that CHOOSE_SECTION gets used.
192 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
193 TARGET_RELOCATABLE like flag_pic for now.
195 2001-05-15 David Edelsohn <edelsohn@gnu.org>
197 * rs6000.md (movdi splitter): Sign extend more efficiently.
198 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
199 to "long long" valid on 32-bit and 64-bit hosts.
200 (logical_operand): Cast trunc_int_for_mode return value.
201 (rs6000_emit_move): Shift macro to encapsulate variable.
202 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
203 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
204 plus_constant requires signed argument.
206 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
208 * gthr-posix.h: Make additional pthread-* functions weak.
210 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
212 * recog.c (apply_change_group): Avoid unneeded validating.
214 2001-05-14 David Edelsohn <edelsohn@gnu.org>
216 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
217 (num_insns_constant): CONST_INT can be 64-bits.
219 2001-05-14 Stan Shebs <shebs@apple.com>
221 * config/darwin.h (LIB_SPEC): Just use -lSystem.
222 (LIBGCC_SPEC): Don't define.
224 2001-05-14 Richard Henderson <rth@redhat.com>
226 * configure.in (gcc_cv_as_eh_frame): New test.
227 * config.in, configure: Rebuild.
228 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
230 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
232 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
233 extended precision divide.
235 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
237 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
240 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
242 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
243 (CPP_CPU??_SIZE_TYPE): New.
244 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
245 (CPP_CPU_SPEC): ... here; support choosing of CPU.
246 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
247 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
249 * i386.c (override_options): Add sorry about not suported modes.
251 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
253 * config/pa/som.h (NM_FLAGS): Remove.
254 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
255 (ASM_OUTPUT_SECTION_NAME): Remove.
256 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
258 2001-05-14 Mark Mitchell <mark@codesourcery.com>
260 * regrename.c (regrename_optimize): Do not rename registers to
263 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
265 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
266 contain MEMs. Remove useless distinction about clobbering
269 2001-05-13 Geoff Keating <geoffk@redhat.com>
271 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
272 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
273 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
274 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
275 (EXCEPTION_SECTION): Define.
277 2001-05-13 Zack Weinberg <zackw@stanford.edu>
279 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
280 binary backward compat only.
281 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
282 in LIB2FUNCS. Pass it to mklibgcc.
283 * mklibgcc.in: Handle LIB2FUNCS_ST.
285 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
287 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
289 * tm.texi (THREAD_MODEL_SPEC): Document it.
290 * gcc.c (main): Use it.
291 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
292 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
294 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
296 * rtl.h (SYMBOL_REF_WEAK): New macro.
297 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
298 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
299 * rtl.texi (SYMBOL_REF_WEAK): Document it.
300 * gcc.texi: Remove wrong description.
302 2001-05-13 Mark Mitchell <mark@codesourcery.com>
304 * Makefile.in (STAMP): New macro.
305 Replace all uses of `touch' with $(STAMP).
306 * fixinc/Makefile.in: Likewise.
308 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
310 * configure.in: ldopen is never in -lexc, so don't test for it.
311 Add test for exc_resume in -lexc for Ada.
312 * configure: Regenerated.
314 2001-05-12 Richard Henderson <rth@redhat.com>
316 * dwarf2asm.c (size_of_encoded_value): New function.
317 * dwarf2asm.h: Declare it.
318 * except.c (output_function_exception_table): Align the TType
319 array only as wide as the encoding.
321 2001-05-12 Zack Weinberg <zackw@stanford.edu>
323 * extend.texi: Document #pragma GCC java_exceptions.
325 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
327 * c-parse.in (bison parser, init_reswords): Remove uses of
329 * c-tree.h (doing_objc_thang): Remove.
331 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
333 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
334 about files not ending in newlines.
336 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
338 * dwarfout.c (dwarfout_init): Add cast.
339 * sched-deps.c (sched_analyze_insn): Remove unused vars.
340 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
342 * method.c (build_mangled_C99_name): Remove unused prototype.
344 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
346 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
348 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
350 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
351 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
353 2001-05-11 Richard Henderson <rth@redhat.com>
355 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
356 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
357 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
358 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
359 (dw2_output_indirect_constants): Prototype.
360 * dwarf2out.c (dwarf2out_begin_prologue): Generate
361 current_function_func_begin_label if we'll need it for EH. Exit
362 early for IA64_UNWIND_INFO.
363 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
364 (eh_data_format_name): Update for indirect references.
365 (output_function_exception_table): Care for IA64_UNWIND_INFO.
366 Handle ASM_PREFERRED_EH_DATA_FORMAT.
367 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
368 define HAVE_eh_return etc.
369 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
370 (final_end_function): Don't call output_function_exception_table.
371 * toplev.c (compile_file): Call dw2_output_indirect_constants.
372 (rest_of_compilation): Invoke output_function_exception_table
373 for ia64 before assemble_end_function.
374 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
375 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
377 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
378 * unwind.h: Declare them.
379 * libgcc-std.ver: Export them.
380 * unwind-pe.h: New file.
382 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
384 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
386 (find_fde_for_dso): Extract DT_PLTGOT.
387 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
388 the segment and gp as well.
389 * config/ia64/frame-ia64.c: Remove file.
390 * config/ia64/frame-ia64.h: Remove file.
391 * config/ia64/unwind-ia64.c: New file.
392 * config/ia64/unwind-ia64.h: New file.
393 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
394 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
395 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
396 (ASM_PREFERRED_EH_DATA_FORMAT): New.
397 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
398 (IA64_UNWIND_INFO): Re-enable.
399 (HANDLER_SECTION): Remove.
400 (EH_RETURN_DATA_REGNO): New.
401 * config/ia64/ia64.md (exception_receiver): Remove.
402 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
403 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
405 2001-05-11 Richard Henderson <rth@redhat.com>
407 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
408 calls and jumps to be bundled together.
409 (ia64_reorg): Emit a break after a noreturn call that ends
411 * config/ia64/ia64.md (break_f): New.
413 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
415 * c-lex.c (lex_charconst): Convert into a simple wrapper
416 around cpp_interpret_charconst, to which most of the code
418 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
419 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
420 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
421 (lex): Use cpp_interpret_charconst.
422 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
423 hex_digit_value): New functions.
424 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
425 * cpplib.h (cpp_interpret_charconst): New prototype.
426 * Makefile.in: Update.
428 2001-05-12 Dean Wakerley <dean@wakerley.com>
430 * doc/install.texi: New file. Converted to texinfo from the HTML
431 documentation in wwwdocs/htdocs/install.
433 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
435 * gcse.c (insert_insn_end_bb): Do not search for assignments to
436 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
438 * toplev.c (compile_file): Move comment for opening output
439 file to just before the code that opens the output file.
441 2001-05-11 Jakub Jelinek <jakub@redhat.com>
443 * regmove.c (regmove_optimize): Suppress the optimization for
444 unchanging destination register. Add comment above function.
446 2001-05-11 Zack Weinberg <zackw@stanford.edu>
448 * Makefile.in: Exterminate all references to assert.h.
449 * cross-make: Likewise.
451 * configure.in: Correct commentary.
452 * configure: Regenerate.
454 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
457 * config/t-freebsd, config/t-linux, config/t-linux-aout,
458 config/t-netbsd, config/t-rtems, config/x-linux,
459 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
460 No need to override INSTALL_ASSERT_H.
462 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
463 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
464 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
466 2001-05-11 Graham Stott <grahams@redhat.com>
468 * combine.c (simplify_comparison): Fix typo.
470 2001-05-11 Mark Mitchell <mark@codesourcery.com>
472 * loop.h (struct movables): Remove `num'.
473 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
474 Adjust call to strength_reduce.
475 (num_unmoved_movables): New function.
476 (move_movables): Don't set movables->num.
477 (strength_reduce): Compute the number of instructions in the loop
478 here, rather than in the caller.
479 (check_dbra_loop): Always clear reversible_mem_store if there
481 (loop_regs_scan): Don't count instructions here.
482 (count_insn_in_loop): New function.
484 2001-05-11 Mark Mitchell <mark@codesourcery.com>
486 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
488 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
490 * c-common.c (finish_label_expr): New function, lifted from
492 * c-common.h (finish_label_expr, lookup_label): New prototypes.
493 * c-parse.in: Move 3 blocks of parser code into new functions.
494 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
495 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
496 (lookup_label): Remove.
498 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
500 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
501 FLOAT_BIT_ORDER_MISMATCH.
503 2001-05-10 David Edelsohn <edelsohn@gnu.org>
505 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
506 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
508 2001-05-10 David Edelsohn <edelsohn@gnu.org>
510 * expr.c (emit_group_load): extract_bit_field requires a REG or
513 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
515 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
516 a computed jump into an unconditional jump.
517 In second hunk of code for collapsing computed and conditional jumps
518 into unconditional jumps, reemit the jump in additional cases.
520 * jump.c (jump_optimize_1): Do not wrap the new jump target
521 inside a LABEL_REF; gen_jump will do that automatically.
523 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
525 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
526 contents for a SYMBOL_REF in case of floating point constants.
528 2001-05-10 DJ Delorie <dj@redhat.com>
530 * c-common.c (combine_strings): Widen strings in a
531 host-endian-independent way.
533 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
535 * c-parse.in: Remove many shift/reduce conflicts. Update
537 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
538 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
539 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
540 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
541 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
542 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
543 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
544 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
545 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
546 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
547 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
548 typespec_reserved_nonattr, typespec_reserved_attr,
549 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
550 structsp_nonattr, components_notype, component_notype_declarator,
551 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
552 firstparm, setspecs_fp): New
553 (typed_declspecs, reserved_declspecs, typed_typespecs,
554 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
555 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
556 declmods_no_prefix_attr, nonempty_type_quals, structsp,
557 type_quals): Remove. Users updated.
558 (initdecls, notype_initdecls, after_type_declarator,
559 parm_declarator, notype_declarator, absdcl1, components, ivars):
560 Don't allow attributes at the start of a declarator; include them
561 in the production containing the declarator instead. Always
562 require type specifiers before trying to redeclare a typedef name.
563 (typename): Allow for attributes but warn that they are ignored.
564 (parmlist, firstparm, setspecs_fp): Include attributes in
565 parmlist; suck them off the parser stack in firstparm using
568 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
570 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
571 to determine if a block has an unconditional jump at its end.
573 * jump.c (jump_optimize_1): When converting a conditional jump
574 to an unconditional jump, build the jump using gen_jump instead
575 of just modify operands in-place.
577 2001-05-09 Zack Weinberg <zackw@stanford.edu>
579 * cppinit.c (cpp_post_options): Shut off macro expansion if
581 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
582 IN_I directives only if the # is in column 1 and the directive
583 name begins in column 2.
584 * cppmain.c (scan_buffer): Insert a space between # and an
585 identifier, when that identifier is a directive name.
587 * tradcpp.c (struct file_buf): Add a pointer to the next entry
588 in the header search path.
589 (enum node_type): Add T_INCLUDE_NEXT.
590 (directive_table): Add entry for include_next.
591 (do_include_next): New function.
592 (process_include): New routine, broken out of do_include.
593 (finclude): Insert 'nhd' argument, to be copied into
594 next_header_dir of the new buffer.
595 (main): Adjust to match.
596 * gsyslimits.h, limity.h: Un-indent #include_next.
598 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
600 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
601 inclusion as a chapter of the GCC manual.
602 * gcc.texi: Include objc.texi.
603 * fdl.texi: Use @unnumberedsec for the addendum.
604 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
606 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
608 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
610 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
612 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
613 handling of two-address insns.
615 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
617 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
618 ../binutils/nm-new instead of ../binutils/nm.
620 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
622 * i386.md (movdi splitter): Fix the splitting condition
623 (float_extenddftf splitter): Fix mode.
625 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
627 * genrecog.c (write_switch): Avoid outputting of switch for
628 types wider than int.
630 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
632 * reload1.c (copy_eh_notes): New function.
633 (emit_input_reload_insns): Call it.
634 (emit_output_reload_insns): Call it.
636 2001-05-07 Zack Weinberg <zackw@stanford.edu>
638 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
640 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
641 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
643 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
645 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
647 * pa.md (interspace_jump): Revise comment.
648 (builtin_longjmp): Block initial setup insns from delay slot of
650 (builtin_setjmp_receiver): New expander to save and restore PIC
653 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
655 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
657 * toplev.c (compile_file): Set up the output file before we call
658 the various initializers for the compiler.
660 * except.c (sjlj_mark_call_sites): Do not search for assignments to
661 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
663 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
664 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
666 2001-05-06 Zack Weinberg <zackw@stanford.edu>
668 * Makefile.in (tradcpp0): Correct typo in dependency list.
670 2001-05-06 Geoff Keating <geoffk@redhat.com>
672 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
673 the link register if we're not going to use it.
675 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
676 (output_function_profiler): Likewise.
678 2001-05-07 Alan Modra <amodra@one.net.au>
680 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
682 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
684 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
685 zero-extend it. Make abs_inc unsigned.
687 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
688 widest mode in narrowing and widening operations.
690 * config/mips/mips.md: Sign extend CONST_INTs.
692 2001-05-06 Andreas Jaeger <aj@suse.de>
694 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
695 (i386 Options): Document -momit-leaf-frame-pointer.
697 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
699 * c-typeck.c (internal_build_compound_expr): Check for
700 array to pointer conversion just once.
702 2001-05-05 Richard Henderson <rth@redhat.com>
704 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
706 2001-05-05 Richard Henderson <rth@redhat.com>
708 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
709 to the parent of the fixup region.
711 2001-05-05 Jakub Jelinek <jakub@redhat.com>
713 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
715 * cpp.texi (__NO_INLINE): Document it.
717 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
719 * cppfiles.c (struct include_file): New member err_no.
720 (find_or_create_entry): Set it.
721 (open_file): Don't set fds to -2. Instead, use err_no to
722 remember previous errors, if any.
724 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
726 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
727 between X and Y by using sequences of xgdx and xgdy.
729 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
731 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
732 of '!' for the 'D' alternative ('!' is too strong).
733 ("*logicalsi3_silshl16"): Likewise.
734 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
735 ("movstrictsi"): Remove spurious '+'.
736 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
737 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
738 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
741 2001-05-04 David Edelsohn <edelsohn@gnu.org>
743 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
745 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
747 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
750 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
752 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
755 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
757 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
758 soft register, use ror instead of rol.
760 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
762 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
763 into account pre/post increment decrement for 68HC12.
764 Fix other problems in replacement and fix call to reg_mentioned_p.
766 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
768 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
769 Put the soft registers in bss for 68HC12.
770 (L_regs_d3_4): New for _.d3 and _.d4.
771 (L_regs_d5_6): Likewise.
772 (L_regs_d1_2): Likewise.
773 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
775 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
777 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
778 to the pre-processor when -fshort-double is specified.
779 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
781 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
783 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
784 (__mulsi3): Rewrite for 68HC12.
785 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
786 Mark 'x' constraint with earlyclobber to prevent a
787 RELOAD_FOR_OTHER_ADDRESS to go in it.
788 (mulhi3_m68hc12): New pattern.
789 (mulhi3_m68hc11): Rename of mulhi3.
790 (mulhi3): New expand for 68HC12 optimisation.
791 (umulhisi3, mulhisi3): New patterns for 68HC12.
793 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
795 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
796 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
797 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
799 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
801 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
802 constants cheap after reload.
803 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
805 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
806 so that gcc prefers a shift by 16.
807 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
809 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
811 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
813 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
815 * alpha.h: NULL_PTR -> NULL.
825 * m68hc11.h: Likewise.
826 * rs6000.h: Likewise.
837 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
839 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
840 `bool' parameter to `int'.
842 * hash.c (hash_lookup): Likewise.
844 * hash.h (hash_lookup): Likewise.
846 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
848 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
850 * i386.c (x86_initialize_trampoline): Fix mode of constant.
852 2001-05-03 Geoff Keating <geoffk@redhat.com>
854 * invoke.texi (i386 Options): Delete references to -malign-jumps,
855 -malign-loops, -malign-functions.
856 * i386.c (ix86_align_funcs): Delete.
857 (ix86_align_loops): Delete.
858 (ix86_align_jumps): Delete.
859 (override_options): Mark -malign-* as obsolete. Emulate their
860 behaviour with the -falign-* options. Default -falign-* from
862 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
863 patch of Wed May 2 13:09:36 2001.
864 (LOOP_ALIGN): Delete.
865 (LOOP_ALIGN_MAX_SKIP): Delete.
866 (LABEL_ALIGN_AFTER_BARRIER): Delete.
867 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
869 2001-05-04 Andreas Jaeger <aj@suse.de>
871 * except.h: Add prototype declaration for
872 expand_builtin_init_dwarf_reg_sizes.
874 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
876 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
878 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
880 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
882 ("bitcmpqi2"): New pattern for bit-extract and test.
883 ("bitcmphi"): New pattern for bitb/bita instructions.
885 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
887 * gccbug.in: Use a temporary directory when the mktemp command is
890 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
892 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
894 (INITIALIZE_TRAMPOLINE): Call it.
895 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
896 (TRAMPOLINE_TEMPLATE): Remove.
897 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
898 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
901 2001-05-03 David O'Brien <obrien@FreeBSD.org>
903 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
904 and crtendS.o with PIC.
906 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
908 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
910 (___subdi3, ___adddi3): Use x instead of y as index register.
911 (__init_bss_section, __map_data_section): Optimize for 68HC12.
912 (__memset, __memcpy): Likewise.
913 (regs): Put the soft registers in bss for 68HC12.
914 (abort): Use trap to abort for 68hc12.
915 (__mulhi3, __mulhi32): Use emul for 68hc12.
916 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
918 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
920 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
921 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
922 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
923 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
924 Set 68HC12 min offset to -65536.
925 (print_operand): Put parenthesis arround the operand if it refers
926 to a symbol having the same name as a register.
927 (m68hc11_z_replacement): When z register is replaced by its
928 equivalent soft register, force the insn to be re-recognized.
929 (m68hc11_check_z_replacement): Fix the test when destination is
930 the index register and z dies in the insn.
931 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
933 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
935 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
936 costs according to processor variant.
937 (m68hc11_shift_cost): New function to compute shift costs.
938 (m68hc11_rtx_costs): Define costs according to processor variant.
939 (m6811_cost): Costs for 68HC11.
940 (m6812_cost): Costs for 68HC12.
941 (COSTS_N_INSNS): Remove.
943 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
944 (DEFAULT_RTX_COSTS): Remove.
945 (CONST_COSTS): Define costs according to OUTER_CODE.
946 (processor_costs): New struct to define costs.
947 (m68hc11_cost): Pointer to current costs.
949 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
951 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
952 and use m68hc11_notice_keep_cc when using leax/leay.
953 (addhi3 split): Reject split if the insn is handled by
955 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
956 push must be handled in a special way if the source operand uses
957 sp as index register.
958 (m68hc11_notice_keep_cc): New function.
959 (m68hc11_gen_movhi): Use it when an insn changes a register but
961 (m68hc11_gen_movqi): Fix move for 68HC12.
962 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
964 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
966 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
967 and don't pass operands[0] to emit_library_call_value.
969 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
971 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
972 (zero_extendsi split): Simplify and use (zero_extendhi).
973 (*addhi3): Remove 'w' constraint since stack pointer is handled
975 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
976 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
977 (*ashrhi3_const): Fix shift by 7.
978 (*lshrsi3_const16): Fix template.
979 (call, call_value): Fix constraint and predicate.
981 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
983 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
984 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
985 (CC_REGNUM): Likewise.
986 (*unnamed splits): Use above constants instead of hard coded numbers.
987 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
988 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
989 (*return_16bit, *unnamed peepholes): Likewise.
991 2001-05-03 David O'Brien <obrien@FreeBSD.org>
993 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
994 rs6000/rs6000.h twice.
996 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
998 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
999 (CPP_SPEC): Conditionally define MSDOS and GO32.
1000 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1001 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1003 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1005 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1007 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1009 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1011 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1012 * integrate.c (expand_inline_function): Use xcalloc to allocate
1014 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1017 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1019 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1022 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1024 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1025 linker if -mrelax is given.
1026 (TARGET_SWITCHES): Document -mrelax.
1028 Re-installed 2001-01-09's patch:
1029 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1030 if it's wider than long and the target's long is wider than the
1033 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1035 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1036 directly include rs6000/rs6000.h. Instead do it in tm.h.
1038 2001-05-02 Stan Shebs <shebs@apple.com>
1040 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1041 NSConstantString for NeXT-style runtimes.
1042 (STRING_OBJECT_GLOBAL_NAME): New macro.
1043 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1044 OCTI_STRING_CLASS_DECL.
1045 (constant_string_global_id): New macro.
1046 (string_class_decl): Ditto.
1047 (setup_string_decl): New function.
1048 (build_objc_string_object): Use it to build a NeXT runtime
1049 compatible string initializer.
1051 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1053 * tradcpp.c (do_define): Make sure we don't walk past limit.
1055 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1057 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1058 offsets if not REG_OK_STRICT.
1060 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1061 (INT_REG_OK_FOR_INDEX_P): Likewise.
1062 (INT_REG_OK_FOR_BASE_P): Likewise.
1063 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1064 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1065 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1066 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1067 REG_OK_FOR_BASE_P. Take an additional parameter.
1068 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1069 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1070 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1071 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1072 rs6000_legitimate_address() and use it.
1073 * config/rs6000/rs6000.c: Update all callers.
1074 (rs6000_legitimate_address): New function.
1076 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1078 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1079 special_constant conditional blocks together.
1081 2001-05-02 Dale Johannesen <dalej@apple.com>
1083 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1085 (STRICT_ARGUMENT_NAMING): Define.
1086 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1087 function_arg_partial_nregs, setup_incoming_varargs): Remove
1088 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1091 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1093 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1095 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1098 * expr.c (store_field): Do nothing except elaborate side-effects if
1101 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1103 * c-lex.c: NULL_PTR -> NULL.
1105 * emit-rtl.c: Likewise.
1107 * genpeep.c: Likewise.
1109 * mips-tdump.c: Likewise.
1110 * reload1.c: Likewise.
1111 * rtlanal.c: Likewise.
1113 * stor-layout.c: Likewise.
1114 * toplev.c: Likewise.
1116 2001-05-01 Per Bothner <per@bothner.com>
1118 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1119 call do_pending_stack_adjust before emiting label.
1121 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1123 * extend.texi: Fix typo.
1125 2001-05-01 Stan Shebs <shebs@apple.com>
1127 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1128 of UOBJC_MODULES_decl.
1129 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1130 (generate_descriptor_table): Ditto.
1131 (generate_protocols): Ditto.
1132 (generate_protocol_list): Ditto.
1133 (generate_classref_translation_entry): Ditto.
1135 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1137 * invoke.texi (Optimize Options): Add documentation for `--param
1138 max-delay-slot-insn-search' and `--param
1139 max-delay-slot-live-search' and reorder --param section.
1140 * params.def: Modify initial comment.
1141 * params.h (param_info): Add `help' member.
1142 * toplev.c (lang_independent_params): Include `help' description.
1143 (display_help): Print --param parameters.
1145 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1147 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1148 Remove references to deleted files.
1149 (*-*-openbsd): No need to override xmake_file.
1150 (*-*-sysv4): Treat like *-*-sysv.
1152 * configure.in: Probe for ldopen in various places, and set up
1153 collect2 to be linked with them if found.
1154 Don't dink with Windows registry stuff unless $host_os is a
1155 Win32 os name. Check to see if we need -ladvapi32.
1156 * configure: Regenerate.
1158 * Makefile: Get rid of CLIB and HOST_CLIB.
1159 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1160 * build-make: Get rid of HOST_CLIB.
1162 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1163 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1164 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1165 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1166 config/rs6000/x-rs6000: Delete.
1168 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1171 24 x-host fragments remain, 0 x-cpu, 3 top level.
1173 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1175 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1176 * configure: Regenerate.
1178 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1180 * Makefile.in (install-headers): Remove redundant dependency.
1182 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1184 * c-tree.texi (USING_STMT): Document.
1186 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1188 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1189 * c-common.c: Likewise.
1190 * c-decl.c: Likewise.
1191 * combine.c: Likewise.
1192 * rs6000.c: Likewise.
1193 * except.c: Likewise.
1194 * explow.c: Likewise.
1196 * fold-const.c: Likewise.
1197 * function.c: Likewise.
1200 * integrate.c: Likewise.
1202 * objc/objc-act.c: Likewise.
1203 * recog.c: Likewise.
1204 * reg-stack.c: Likewise.
1205 * reload.c: Likewise.
1206 * reload1.c: Likewise.
1207 * simplify-rtx.c: Likewise.
1209 * varasm.c: Likewise.
1211 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1213 * diagnostic.def: New file.
1214 * diagnostic.h (diagnostic_t): New enum.
1215 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1217 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1219 * tsystem.h: Test only POSIX for availability of string.h
1221 * config.gcc (all systems): If USG appeared in xm_defines,
1222 change it to POSIX. If both USG and POSIX appeared, just
1223 delete USG. Remove unnecessary quotes around xm_defines
1225 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1226 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1227 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1228 powerpc-*-linux*): No need to set xm_defines - handled by
1229 global settings for *-*-linux*.
1231 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1233 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1234 Always include gstab.h, not system stab.h. Don't provide
1235 default definitions of N_CATCH or N_OPT. Always use the
1236 gstab.h variant of STAB_CODE_TYPE.
1237 * final.c: Don't include stab.h/gstab.h at all, or provide
1238 defaults for N_SLINE and N_SOL.
1240 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1241 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1243 * sdbout.c: Always include gsyms.h instead of system syms.h.
1245 * configure.in: No need to check for stab.h.
1246 * configure, config.in: Regenerate.
1247 * Makefile.in (final.o): Don't depend on gstab.h.
1249 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1250 Richard Henderson <rth@redhat.com>
1252 * extend.texi: Improve documentation of volatile asms.
1254 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1256 * c-tree.texi: Fix thinko.
1257 * gcc.texi: Likewise.
1259 2001-04-30 Richard Henderson <rth@redhat.com>
1261 * c-common.c (c_promoting_integer_type_p): New function, from the
1262 corpse of old macro. Properly promote too-small enumerations and
1263 booleans. Adjust all callers.
1264 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1265 (c_promoting_integer_type_p): Declare.
1266 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1267 * c-typeck.c: Likewise.
1268 (default_conversion): Remove now redundant boolean check.
1270 2001-04-30 Jan Hubicka <jh@suse.cz>
1271 Richard Henderson <rth@redhat.com>
1273 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1275 (combine_stack_adjustments_for_block): Don't combine stack
1276 allocation followed by deallocations. Handle grow-up stacks.
1278 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1280 * fdl.texi: New file.
1281 * c-tree.texi: Use the GFDL.
1282 * gcc.texi: Likewise.
1284 2001-04-30 Stan Shebs <shebs@apple.com>
1286 * invoke.texi: Add a section documenting Objective-C options.
1288 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1290 * emit-rtl.c (try_split): Copy EH notes to sequence.
1292 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1294 * regmove.c (record_stack_memrefs): Catch all references to the
1297 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1299 * Makefile.in(stmp-fixinc): quote shell assignment values
1301 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1303 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1307 * prefix.c: Likewise.
1309 2001-04-28 Stan Shebs <shebs@apple.com>
1311 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1312 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1313 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1314 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1316 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1317 (NEXT_OBJC_RUNTIME): Define.
1319 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1321 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1322 * simplify-rtx.c (simplify_gen_relational): Likewise.
1324 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1326 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1327 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1329 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1330 registers in SSE case; fix handling of the immediates.
1331 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1332 operands to be in regsiters before reload.
1333 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1334 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1335 (abstf,absxf,negtf,negxf splitters): Compute
1336 properly the regnum for x86_64.
1337 (avsdf2_if_rex64): New.
1339 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1341 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1342 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1343 into the constant pool.
1344 * jump.c (jump_optimize_1): Remove barrier successors after all
1345 the LABEL_NUSES counds have been computed.
1346 (delete_barrier_successors): When deleting a tablejump insn, also
1347 delete the jump table it uses.
1348 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1351 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1353 * pa.c (FRP): Remove erroneous white space in macro definition.
1355 2001-04-28 Andreas Jaeger <aj@suse.de>
1357 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1359 * extend.texi: Likewise.
1360 * tm.texi: Likewise.
1362 2001-04-28 Andreas Jaeger <aj@suse.de>
1364 * md.texi: Use XX-bit instead of XXbit or XX bit where
1367 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1369 * gcc.c (process_command): Allow -l lib in addition to -llib
1370 for POSIX compliance. This fixes PR c/2347.
1372 * invoke.texi: Update section on Link Options accordingly.
1374 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1376 * function.c (purge_addressof_1): Remove the duplicate
1377 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1380 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1382 * except.c (expand_eh_region_start): Don't start a new block.
1383 (expand_eh_region_end): Don't end a block.
1384 * stmt.c (expand_end_bindings): Don't end EH blocks.
1385 (expand_decl_cleanup): Starting an EH region won't change the block.
1386 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1387 (is_eh_region): Lose.
1390 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1392 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1394 * collect2.c (main): Add `-L' case to remove duplicate entries.
1395 (is_in_args): New function to check for a duplicate argument.
1396 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1397 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1398 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1399 Define to be nonzero.
1401 2001-04-27 Andreas Jaeger <aj@suse.de>
1402 Richard Henderson <rth@redhat.com>
1404 * md.texi (Machine Constraints): Document additional i386
1405 constraints and fix description of "A".
1407 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1409 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1411 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1413 * except.c (get_exception_filter): word_mode, not Pmode.
1415 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1417 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1418 common to other movsf patterns. Move up so that in future
1419 people who change the other patterns will change it too.
1420 (movsf_lo_sum): Allow even for soft-float; add appropriate
1422 (movsf_high): Likewise.
1423 (movsf_high+1): Allow even for soft-float.
1425 * function.c (expand_function_end): Always clobber the
1426 return registers, even if there is no return label.
1428 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1430 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1432 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1434 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1435 (pushqi2_rex64, pushhi2_rex64): Add.
1437 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1439 * except.c (expand_eh_region_end_cleanup): Force pending stack
1440 adjust before emitting label that branches around cleanup code.
1442 2001-04-26 H.J. Lu (hjl@gnu.org)
1444 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1446 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1448 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1449 (ASM_OUTPUT_SECTION_NAME): Likewise.
1450 (ASM_WEAKEN_LABEL): Likewise.
1451 (UNIQUE_SECTION): Likewise.
1452 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1453 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1454 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1455 (ASM_OUTPUT_SECTION_NAME): Likewise.
1456 (ASM_WEAKEN_LABEL): Likewise.
1457 (UNIQUE_SECTION): Likewise.
1458 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1459 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1460 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1461 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1462 (ASM_FILE_START): Likewise.
1463 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1464 (ASM_DECLARE_OBJECT_NAME): Likewise.
1465 (ASM_FILE_END): Likewise.
1466 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1467 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1468 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1469 (ASM_OUTPUT_CASE_LABEL): Likewise.
1470 (ASM_OUTPUT_SKIP): Likewise.
1471 (ASM_OUTPUT_ASCII): Likewise.
1472 (ASM_OUTPUT_IDENT): Likewise.
1473 (READONLY_DATA_SECTION): Likewise.
1474 (EXTRA_SECTIONS): Likewise.
1475 (EXTRA_SECTION_FUNCTIONS): Likewise.
1476 (SELECT_RTX_SECTION): Likewise.
1477 (SELECT_SECTION): Likewise.
1479 * config/mips/linux.h (INVOKE__main): Undefine.
1480 (CTOR_LIST_BEGIN): Likewise.
1481 (CTOR_LIST_END): Likewise.
1482 (DTOR_LIST_BEGIN): Likewise.
1483 (DTOR_LIST_END): Likewise.
1484 (SET_ASM_OP): Defined it to ".dummy".
1485 (ASM_OUTPUT_DEF): Defined.
1486 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1488 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1490 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1491 assembler supports .p2align.
1493 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1495 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1497 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1499 * integrate.c (expand_inline_function): Check for error_mark_node
1502 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1504 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1507 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1509 * configure.in (configargs.h): Define thread_model.
1510 * configure: Rebuilt.
1511 * gcc.c (main): Print it with -v.
1513 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1515 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1516 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1517 * gcc.1: Regenerate.
1519 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1521 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1522 is_redundant_typedef): Use static inline instead of inline static.
1524 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1526 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1527 this directory is always searched.
1529 2001-04-25 Richard Henderson <rth@redhat.com>
1531 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1532 of registers to restore along non eh_return path.
1534 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1536 * c-format.c (check_format_info_recurse): Handle
1537 PLUS_EXPR for format string.
1539 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1541 * config/ia64/ia64.h (CC1_SPEC): Define.
1542 * config/ia64/linux.h (CC1_SPEC): Define.
1544 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1546 * emit-rtl.c (constant_subword): Also do sign extension in
1547 BITS_PER_WORD == 16 case.
1549 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1551 * loop.c (try_swap_copy_prop): Go back to checking insn.
1553 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1555 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1556 if check_mode is non-zero.
1558 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1560 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1561 out and comparison sequence has been detected, put result into
1562 proper temporary pseudo.
1564 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1566 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1567 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1568 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1569 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1570 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1571 for future reference.
1573 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1575 * except.c (reachable_handlers): Step out one level from a RESX.
1577 * except.c (struct eh_region): Rename 'last' to 'resume'.
1578 (mark_eh_region, duplicate_eh_region_1): Adjust.
1579 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1580 (build_post_landing_pads): Likewise.
1581 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1582 (expand_eh_region_end_must_not_throw): Likewise.
1583 (connect_post_landing_pads): Thread (only) regions with non-deleted
1586 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1587 registers around the cleanup.
1588 (get_exception_filter): New fn.
1589 (finish_eh_generation): Use it.
1591 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1593 * c-semantics.c (add_scope_stmt): Don't call
1594 current_scope_stmt_stack multiple times.
1596 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1597 Nathan Sidwell <nathan@codesourcery.com>
1599 Lazy __FUNCTION__ generation.
1600 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1601 RID_C99_FUNCTION_NAME): New _RIDs.
1602 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1603 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1604 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1606 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1607 (c99_function_name_decl_node, function_name_decl_node,
1608 pretty_function_name_decl_node, saved_function_name_decls):
1610 (struct language_function): Remove x_function_name_declared_p.
1611 (make_fname_decl): Remove a parameter.
1612 (declare_function_names): Remove prototype.
1613 (start_fname_decls, finish_fname_decls): Prototype.
1614 (fname_as_string): Likewise.
1615 (fname_string, fname_decl): Likewise.
1616 * c-common.c (make_fname_decl): Adjust.
1617 (struct fname_var_t): New struct.
1618 (fname_vars): New static array.
1619 (declare_function_name): Remove.
1620 (start_fname_decls, finish_fname_decls): New functions.
1621 (fname_as_string): New function from remnants of
1622 declare_function_name.
1623 (fname_string, fname_decl): New functions.
1625 * c-decl.c (c_function_name_declared_p): Remove.
1626 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1627 don't call declare_function_name. Call start_fname_decls.
1628 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1629 clobber the line number. Call finish_decl.
1630 (start_function): Call start_fname_decls.
1631 (finish_function): Call finish_fname_decls.
1632 Remove c_function_name_declared_p.
1633 (push_c_function_context): Don't push c_function_name_declared_p.
1634 (pop_c_function_context): Don't pop c_function_name_declared_p.
1635 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1636 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1637 (program): Call finish_fname_decls for C.
1638 (primary): Add VAR_FUNC_NAME.
1639 (reswords): Add slots for __FUNCTION__ et al.
1640 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1641 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1642 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1643 * c-semantics.c (prune_unused_decls): Remove.
1644 (finish_stmt_tree): Don't call prune_unused_decls.
1645 (genrtl_decl_stmt): Don't prune unused decls here.
1647 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1649 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1650 constant pool, use the pool's SYMBOL_REF instead.
1652 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1655 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1657 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1658 passing nested NOP_EXPRs to fold.
1660 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1662 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1664 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1666 * loop.c (loop_delete_insns): Add prototype.
1668 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1670 * configure.in: Remove ENABLE_STD_NAMESPACE.
1671 * config.in: Regenerated.
1672 * configure: Regenerated.
1674 2001-04-22 Stan Shebs <shebs@apple.com>
1676 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1678 * config/rs6000/xm-darwin.h: Remove file.
1680 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1682 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1683 (write_c_file_stat): Likewise.
1685 * dbxout.c (dbxout_init): Likewise.
1687 * profile.c (output_func_start_profiler): Likewise.
1689 2001-04-22 Philipp Thomas <pthomas@suse.de>
1691 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1692 require it instead of the CVS version.
1693 * cpperror.c (v_message): Put a blank before the macro
1694 body to not confuse exgettext.
1696 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1698 * flow.c (proagate_one_insn): Remove useless assignment.
1699 * jump.c (delete_insn): Tidy.
1700 * loop.c (try_copy_prop): When deleting an instruction with a
1701 REG_RETVAL note, delete the entire libcall sequence.
1702 (loop_delete_insns): New function.
1703 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1704 we're not substituting into them yet.
1706 2001-04-21 Kazu Hirata <kazu@hxi.com>
1708 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1710 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1712 * config/i960/i960.c (signed_arith_operand): Likewise.
1714 * calls.c (expand_call): Fix a comment typo.
1716 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1718 * configure.in: Probe for times, clock, struct tms, and clock_t.
1719 * configure, config.in: Regenerate.
1720 * timevar.c: Replace ifdef forest in get_time with (relatively)
1721 straightforward series of checks based on autoconf's probes.
1723 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1725 * config/pa/som.h (NM_FLAGS): Define.
1727 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1729 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1731 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1732 * ia64.c (nop_cycles_until): New function.
1733 (prev_cycle, prev_first, last_issued): New static variables.
1734 (ia64_sched_reorder): Additional arg for clock.
1735 On final scheduling pass, emit extra NOPs as needed.
1736 Set prev_first and prev_cycle.
1737 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1738 (ia64_variable_issue): Set last_issued.
1740 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1742 * config/i386/i386.c (ix86_expand_int_movcc,
1743 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1745 2001-04-20 Geoff Keating <geoffk@redhat.com>
1747 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1748 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1749 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1750 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1751 ctrdi_internal6): In the short-branch case, this insn is only 4
1752 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1754 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1756 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1757 "=u" is used together with "st" resp. "st(1)" clobber.
1759 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1761 * gcse.c (gcse_main): Fix comment typo.
1762 (delete_null_pointer_check): Likewise.
1763 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1764 * cse.c (cse_insn): Likewise.
1765 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1768 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1770 * toplev.c: Excise all code for the undocumented -dm option.
1771 (float_signal): Call signal just once, unconditionally.
1773 2001-04-19 Geoff Keating <geoffk@redhat.com>
1775 * fold-const.c (fold): Use first_rtl_op rather than
1776 TREE_CODE_LENGTH when looping over parameters of a tree.
1777 Correct strange grouping in test for evaluated SAVE_EXPR.
1779 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1781 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1782 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1784 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1785 name at 32 total characters.
1786 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1787 functions in named sections -- data items can still go into unique
1788 sections, but they have normal names (ie $LIT$ and $DATA$).
1790 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1793 2001-04-19 DJ Delorie <dj@redhat.com>
1795 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1796 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1797 * config/i386/cygwin.h: Likewise.
1798 * config/i386/mingw32.h: Likewise.
1799 * config/vax/vms.h: Likewise.
1800 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1802 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1803 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1804 * config/i386/xm-cygwin.h: Likewise.
1805 * config/i386/xm-djgpp.h: Likewise.
1806 * config/i386/xm-mingw32.h: Likewise.
1807 * config/vax/xm-vms.h: Likewise.
1809 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1810 instead of OBJECT_SUFFIX.
1811 * collect2.c (find_a_file): Look for files matching the extension
1812 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1813 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1814 TARGET_EXECUTABLE_SUFFIX.
1815 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1816 (make_relative_prefix): Likewise.
1817 (convert_filename): Use TARGET_ suffixes throughout. Remove
1819 (process_command): Likewise.
1820 (do_spec_1): Likewise.
1821 * java/lang.c (init_parse): Likewise.
1823 * gcc.texi : Document four new options matching the pattern
1824 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1825 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1826 documentation for NO_AUTO_EXE_SUFFIX.
1828 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1830 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1831 that language-independent processing should not be done.
1832 * toplev.c (main): Adjust accordingly.
1834 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1835 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1837 * mips.md (reload_outputdi): Require that operand0 be a
1840 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1842 * invoke.texi (-Wshadow): Clarify.
1844 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1846 * loop.c (load_mems): Examine all the instructions in the loop
1847 before concluding that all jumps branch to the first instruction
1850 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1852 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1854 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1856 * cpp.texi (-Wwhite-space): Remove.
1857 (-Wall): -Wall does not imply -Wwhite-space.
1859 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1861 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1862 use it instead of blindly generating a .stabs.
1863 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1865 * xcoffout.c: Don't bother defining default for N_CATCH.
1866 (UNKNOWN_STAB): Use internal_error.
1867 (stab_to_sclass): Remove now-unnecessary aborts.
1868 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1870 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1872 * jump.c (mark_all_labels): Canonicalize the tail recursion
1873 label attached to CALL_PLACEHOLDER insns.
1875 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1877 * output.h (dump_flow_info, free_basic_block_vars,
1878 which_alternative): Delete redundant prototypes.
1880 * rtl.h (bss_section): Likewise.
1882 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1884 * dbxout.c (N_OPT): Define if not available from <stab.h>
1886 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1888 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1889 libraries and native K&R compilers.
1891 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1893 * c-typeck.c (convert_arguments): Don't check for width changes
1896 * invoke.texi (-Wtraditional): Update documentation.
1898 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1900 * toplev.c (output_lang_identify): Delete.
1901 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1902 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1903 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1904 after calling ASM_FILE_END.
1906 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1907 Instead, unconditionally emit an N_OPT stab with string equal
1908 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1910 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1912 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1913 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1914 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1915 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1916 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1917 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1918 config/i370/i370.h, config/i386/beos-elf.h,
1919 config/i386/osf1elf.h, config/i386/osfrose.h,
1920 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1921 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1922 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1923 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1924 config/mips/iris6.h, config/mips/osfrose.h,
1925 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1926 config/sparc/sp64-elf.h:
1927 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1928 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1930 * config/elfos.h, config/freebsd.h, config/linux.h,
1931 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1932 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1933 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1934 of ASM_FILE_START which merely emit a .version directive. Delete
1935 definitions of ASM_FILE_END which merely emit an .ident directive.
1937 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1938 ASM_IDENTIFY_GCC and move part of its logic into
1941 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1942 config/sparc/linux-aout.h: Don't emit .version directive in
1945 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1946 (output_file_start): Correct comment.
1948 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1949 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1951 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1952 * config/rs6000/aix.h: Correct comment.
1954 * config/i386/i386afe.h: Delete.
1955 * config.gcc: Remove references to i386afe.h.
1957 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1958 other macros deleted by this patch were undocumented.
1960 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1962 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1964 * pa.c (secondary_reload_class): SAR<->FP copies require a
1967 * install.texi (mips-mips-bsd): Update list of functions
1968 required to include memmove.
1969 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1970 used functions to include memmove.
1972 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1974 * i386.md (sqrtdf2): SFmode should be DFmode.
1976 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1978 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1979 (find_moveable_store): Likewise.
1981 2001-04-15 Jim Wilson <wilson@redhat.com>
1983 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1985 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1987 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1988 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1990 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1992 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1995 2001-04-14 Alan Modra <amodra@one.net.au>
1997 * pa.c (force_mode): New function.
1998 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2000 2001-04-13 Jim Wilson <wilson@redhat.com>
2002 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2003 (first_instruction): New static variable.
2004 (rtx_needs_barrier): Return 1 for alloc.
2005 (init_insn_group_barriers): Set first_instruction.
2006 (rws_sum): Delete duplicate definition.
2007 (group_barrier_needed_p): Return 0 when first_instruction true.
2008 (safe_group_barrier_needed_p): Save and restore first_instruction
2009 around group_barrier_needed_p call.
2011 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2013 * expr.h (enum libfunc_index): Add LTI_memmove.
2014 (memmove_libfunc): Define macro.
2015 * optabs.c (init_optabs): Initialize memmove_libfunc.
2016 * expr.c (expand_assignment): Use memmove_libfunc instead of
2019 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2021 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2024 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2026 * Makefile.in (reg-stack.o): Depend on reload.h.
2027 (insn-attrtab.o): Depend on flags.h.
2029 * genattrtab (main): Include flags.h in insn-attrtab.c.
2031 * reg-stack.c: Include reload.h.
2033 * sparc.h (flag_pic): Delete redundant declaration.
2035 * output.h (flag_pic): Likewise.
2037 * tree.h (pedantic): Likewise.
2039 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2041 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2043 * jump.c, regmove.c, toplev.c: Include reload.h.
2045 * reload.h (reload_cse_regs): Declare.
2047 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2048 reload_cse_regs, init_reload, mark_home_live, reload,
2049 init_caller_save): Delete redundant prototypes.
2051 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2053 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2055 * regclass.c, ssa.c: Include expr.h.
2057 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2058 gen_move_insn): Delete redundant declarations.
2060 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2062 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2063 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2064 MAKEINFO and MAKEINFOFLAGS too.
2065 (stage4_build): Correctly order -B flags.
2067 2001-04-13 Alan Modra <amodra@one.net.au>
2069 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2070 PIC_OFFSET_TABLE_SAVE_RTX.
2071 (zdepi_cint_p): Describe zdepi insn.
2072 Formatting and white space fixes throughout file.
2074 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2075 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2076 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2077 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2078 (output_64bit_and): Use plain `int's for shift counts.
2079 (output_64bit_ior): Likewise.
2080 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2081 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2084 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2085 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2086 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2087 NEW_HP_ASSEMBLER into one. Kill warnings.
2089 * pa-gas.h: Delete file.
2090 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2091 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2092 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2093 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2095 * config/pa/mill32.S: New file.
2096 * config/pa/mill64.S: New file.
2097 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2098 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2099 * config/pa/t-linux64: New file.
2100 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2101 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2102 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2104 * elfos.h (SELECT_SECTION): Undef before defining.
2105 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2106 (LIB_SPEC): Remove -lmilli.
2107 (DBX_REGISTER_NUMBER): Remove.
2108 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2109 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2110 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2111 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2112 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2113 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2114 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2115 TARGET_GAS): Define.
2116 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2117 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2118 regs if we don't have a prototype.
2119 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2120 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2121 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2122 EH_RETURN_HANDLER_RTX): Define.
2123 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2124 (DWARF_FRAME_REGNUM): Define.
2125 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2126 * pa32-linux.h: New file.
2127 * pa64-linux.h: New file.
2129 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2130 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2131 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2132 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2133 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2134 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2135 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2136 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2137 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2138 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2139 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2140 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2141 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2142 * pa64-hpux.h: New file.
2143 (ASM_FILE_START): Correct typo.
2144 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2145 * config.gcc: Modify for above.
2147 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2149 * jump.c (jump_optimize_1): Don't delete dead stores here.
2150 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2151 prior to running jump optimize before cse2.
2153 2001-04-12 Richard Henderson <rth@redhat.com>
2155 * Makefile.in (regmove.o): Depend on except.h.
2156 * regmove.c: Include it.
2158 2001-04-12 Stan Shebs <shebs@apple.com>
2160 * objc/objc-act.c: Remove all code ifdefed with the never-used
2161 macro OBJC_INT_SELECTORS.
2162 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2163 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2165 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2167 * config/pa/quadlib.c: Add prototypes.
2169 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * bitmap.h (debug_bitmap): Delete redundant prototype.
2173 * rtl.h (get_frame_size): Likewise.
2175 2001-04-12 Jim Wilson <wilson@redhat.com>
2177 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2178 to just emit an fnorm.
2180 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2182 * c-common.h (truthvalue_conversion, type_for_mode,
2183 type_for_size): Delete redundant declarations.
2185 * c-lex.h (is_class_name): Likewise.
2187 * c-tree.h (pedantic, convert, getdecls, gettags,
2188 global_bindings_p, init_decl_processing, insert_block,
2189 maybe_build_cleanup, poplevel, print_lang_decl,
2190 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2191 set_block, incomplete_type_error, build_function_call,
2192 lvalue_or_else, mark_addressable): Likewise.
2194 * expr.h (expand_tree_builtin): Likewise.
2196 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2198 * invoke.texi: Document --param max-gcse-memory.
2200 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2202 * configure.in (errno): Check for declaration.
2203 * configure, config.in: Regenerated.
2205 * system.h (errno): Only declare if not already done.
2207 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2209 * recog.c (general_operand, immediate_operand,
2210 nonmemory_operand): Require CONST_INTs to be sign-extended
2211 values for their modes.
2213 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2215 * expmed.c (store_bit_field): Truncate CONST_INTs.
2216 (expand_mult_highpart, expand_divmod): Likewise.
2217 * expr.c (convert_modes, store_field): Likewise.
2218 * integrate.c (expand_inline_function): Use promote_mode() to
2219 determine whether to convert_modes() an argument as signed
2221 * optabs.c (expand_binop): Get CONST_INT operands
2222 sign-extended for their appropriate modes.
2223 * stmt.c (emit_case_nodes): Convert node values to the
2225 (expand_end_case): Convert minval and range to the appropriate
2227 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2228 the iteration variable.
2229 * varasm.c (immed_double_const): Don't require words to be
2230 narrower than host wide ints to properly sign-extend
2233 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2235 * sh.md (builtin_setjmp_receiver): New expander.
2237 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2239 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2240 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2241 for generating CONST_INT and CONST_DOUBLE.
2243 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2245 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2246 already sign-extended.
2247 (rs6000_emit_prologue): Make register iterator signed.
2248 (rs6000_emit_epilogue): Likewise.
2249 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2251 (movsf split, movdf split): Sign-extend CONST_INTs.
2252 (movdi splits): Likewise.
2254 2001-04-12 Kelley Cook <kelley.cook@home.com>
2256 * config-lang.in (lang_dirs): Add in zlib.
2258 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2260 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2261 operands that make it to RTL.
2263 2001-04-11 Stan Shebs <shebs@apple.com>
2265 Add Darwin (Mac OS X kernel) native support.
2266 * config.gcc (powerpc-*-darwin*): Add native bits.
2267 * config/darwin.c: New file, generic Darwin support functions.
2268 * config/darwin.h: New file, generic Darwin definitions.
2269 * config/darwin-protos.h: New file, generic Darwin prototypes.
2270 * rs6000/darwin.h: New file, Darwin for PowerPC.
2271 * rs6000/t-darwin: New file, Darwin makefile fragment.
2272 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2273 (TARGET_MACHO): Ditto.
2274 (rs6000_abi): Add ABI_DARWIN.
2275 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2276 (RS6000_SAVE_AREA): Ditto.
2277 (FP_ARG_MAX_REG): Ditto.
2278 (RETURN_ADDRESS_OFFSET): Ditto.
2279 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2281 (rs6000_emit_move): Add ABI_DARWIN cases.
2282 (print_operand): Ditto.
2283 (first_reg_to_save): Ditto.
2284 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2285 (debug_stack_info): Ditto.
2286 (rs6000_emit_prologue): Ditto.
2287 (rs6000_emit_epilogue): Ditto.
2288 (output_profiler_hook): Ditto.
2289 (output_function_profiler): Ditto.
2290 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2291 (output_mi_thunk): Add TARGET_MACHO case.
2292 (add_compiler_stub): Ditto.
2293 (output_compiler_stub): Ditto.
2294 (no_previous_def): Ditto.
2295 (output_call): Ditto.
2296 (machopic_output_stub): Ditto.
2297 (rs6000_machopic_legitimize_pic_address): Ditto.
2298 (toc_section): Ditto.
2299 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2300 (macho_high): Ditto.
2303 (load_macho_picbase): Ditto.
2304 (call): Add TARGET_MACHO case to modify function.
2305 (call_value): Ditto.
2306 (call_nonlocal_sysv): Add ABI_DARWIN case.
2307 (call_value_nonlocal_sysv): Ditto.
2308 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2310 (machopic_output_stub): Ditto.
2311 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2313 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2315 * dwarf2out.c (modified_type_die): Don't create new types here.
2316 * tree.h (get_qualified_type): New function.
2317 (build_qualified_type): Adjust comment.
2318 * tree.c (get_qualified_type): New function.
2319 (build_qualified_type): Use it.
2321 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2323 * cpp.texi (-Wtraditional): Update description.
2325 * invoke.texi (-Wtraditional): Likewise.
2327 2001-04-11 Jim Wilson <wilson@redhat.com>
2329 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2330 requires more than 64 bits of alignment.
2332 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2334 * cpplib.c (do_line): Sanity check iff enable checking.
2336 2001-04-11 Richard Henderson <rth@redhat.com>
2338 * Makefile.in (insn-recog.o): Depend on toplev.h.
2339 (insn-emit.o, doloop.o): Likewise.
2340 * genrecog.c, genemit.c: Include toplev.h in generated file.
2341 * doloop.c: Include toplev.h.
2343 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2345 * Makefile.in (gcse.o): Depend on params.h.
2346 * gcse.c: Include params.h.
2347 (gcse_main): Don't do GCSE if doing so will take inordinate
2349 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2350 * params.h (MAX_GCSE_MEMORY): New macro.
2352 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2354 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2356 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2358 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2360 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2362 * real.h (ereal_atof, real_value_truncate, target_isnan,
2363 target_isinf, target_negative, assemble_real, debug_real): Delete
2364 redundant prototypes.
2366 * Makefile.in (ifcvt.o): Depend on toplev.h.
2368 * c-semantics.c: Include expr.h.
2370 * ifcvt.c: Include toplev.h.
2372 * expr.h (rtx_equal_p): Delete prototype.
2374 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2375 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2376 eliminate_constant_term, expand_complex_abs, find_single_use,
2377 make_tree, init_expr_once, init_optabs, supports_one_only):
2380 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2381 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2382 expand_assignment, store_expr, emit_line_note_after,
2383 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2385 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2387 * sparc-protos.h: Delete redundant prototypes.
2389 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2391 * reload.c (push_reload): Add condition missed in SUBREG byte
2394 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2396 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2398 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2400 * i386.md (floatsisf_sse): Fix output template
2401 * i386.c (ix86_expand_fp_movcc)
2403 * reg-stack.c (emit_pop_insn): Handle complex modes.
2404 (move_for_stack_reg): Emit proper move mode.
2405 (subst_stack_regs_pat): Handle complex modes.
2407 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2409 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2411 2001-04-10 Richard Henderson <rth@redhat.com>
2413 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2414 (__pure_virtual, __terminate, __terminate_set_func,
2415 __default_terminate, __throw_type_match, __empty,
2416 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2417 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2418 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2419 Remove prototypes of deleted functions.
2421 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2423 * c-typeck.c (convert_arguments): -Wtraditional now activates
2424 -Wconversion warnings, except for changes in signed-ness.
2425 Detect complex<->int & int<->complex conversions as well.
2427 * invoke.texi (-Wtraditional): Document it.
2429 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2431 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2432 * flow.c (set_block_for_new_insns): Remove needless cast and
2433 properly check for unset block number.
2435 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2437 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2438 the subreg was a hard register. Pseudos are left as subregs.
2440 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2442 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2443 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2444 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2445 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2446 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2448 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2450 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2452 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2454 * output.h (set_block_num): Missed it earlier, remove deprecated
2457 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2459 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2460 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2461 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2462 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2463 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2464 (expr_killed_p): Change bb parameter from int to basic_block, pass
2465 basic_blocks instead of ints as parameters.
2466 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2467 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2468 from int to basic_block, pass basic_blocks instead of ints as parms.
2469 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2470 parameter from int to basic_block, pass basic_blocks instead of ints.
2471 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2472 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2473 pass basic_blocks instead of ints.
2474 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2475 basic_blocks instead of ints as parameters.
2476 (pre_delete): Pass basic_blocks instead of ints as parameters.
2477 (hoist_expr_reaches_here_p): Change bb parameter from int to
2478 basic_block, pass basic_blocks instead of ints.
2479 (hoist_code): Pass basic_blocks instead of ints as parameters.
2480 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2481 Change bb parameter from int to basic_block.
2482 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2483 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2484 pass basic_blocks instead of ints.
2485 (insert_store): Pass basic_blocks instead of ints as parameters.
2486 (replace_store_insn, delete_store): Change bb parameter from int to
2487 basic_block, pass basic_blocks instead of ints.
2488 (store_motion): Pass basic_blocks instead of ints as parameters.
2490 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2492 * basic-block.h (set_new_block_for_insns): New Prototype.
2493 (set_block_num): Delete prototype.
2494 * flow.c (set_block_num): Remove obsolete function.
2495 (set_block_for_new_insns): Set BB for single or multiple insns.
2496 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2497 (process_insn_end_bb): Use set_block_for_new_insns or
2498 set_block_for_insn instead of set_block_num.
2499 (pre_insert_copy_insn): Use set_block_for_new_insns.
2500 (update_ld_motion_stores): Use set_block_for_new_insns.
2501 (insert_insn_start_bb): Use set_block_for_new_insns.
2502 (replace_store_insn): Use set_block_for_new_insns.
2504 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2505 Jeff Law <law@redhat.com>
2507 * alias.c (get_addr): Externalize.
2508 (canon_true_dependence): New function. Behaves like true_dependance
2509 except it already assumes a MEM has been canonicalized.
2510 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2511 * gcse.c (struct ls_expr): Add load/store expressions structure.
2512 (modify_mem_list, canon_modify_mem_list): New variable.
2513 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2514 load motion and store motion if requested.
2515 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2516 (free_gcse_mem): Free the modify_mem_list array.
2517 (oprs_unchanged_p): Use load_killed_in_block_p.
2518 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2519 (mems_conflict_for_gcse_p): New function. Don't kill loads
2520 with stores to themselves if its in the load/store expression list.
2521 (load_killed_in_block_p): New function.
2522 (canon_list_insert): New Function.
2523 (record_last_mem_set_info): Keep a list of all instructions which
2524 can modify memory for each basic block.
2525 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2526 (oprs_not_set_p): Use load_killed_in_block_p.
2527 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2528 (expr_killed_p): Use load_killed_in_block_p.
2529 (compute_transp): Do not pessimize memory references.
2530 (pre_edge_insert): Update stores for a load motion expression.
2531 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2532 (ldst_entry): Find or create a ldst_expr structure.
2533 (free_ldst_entry): Free memory for an individual item.
2534 (free_ldst_mems): Free entire load/store expression list.
2535 (print_ldst_list): Print debug info.
2536 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2537 (enumerate_ldsts): Assign integer values to each entry in list.
2538 (first_ls_expr): First expression in the list.
2539 (next_ls_expr): Next expression in the list.
2540 (simple_mem): Check if expression qualifies for ld/st expression list.
2541 (invalidate_any_buried_refs): Remove from expression list if its
2542 used in some other way we dont understand.
2543 (compute_ld_motion_mems): Find all potential enhanced load motion
2545 (trim_ld_motion_mems): Remove any expressions which are invalid.
2546 (update_ld_motion_stores): Copy store values to registers for loads
2547 which have been moved.
2548 (regvec, st_antloc, num_store): New global statics.
2549 (reg_set_info): Marks registers as set.
2550 (store_ops_ok): Verfies registers expressions are valid in a block.
2551 (find_moveable_store): Look for moveable stores in a pattern.
2552 (compute_store_table): Find stores in a function worth moving, maybe.
2553 (load_kills_store): Check dependance of a load and store.
2554 (find_loads): Find any loads in a pattern.
2555 (store_killed_in_insn): Check if a store is killed in an insn.
2556 (store_killed_after): Check is store killed after an insn in a block.
2557 (store_killed_before): Check is store killed before an insn in a block.
2558 (build_store_vectors): Generate the antic and avail vectors.
2559 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2560 (insert_store): Add a store to an edge.
2561 (replace_store_insn): Replace a store with a SET insn.
2562 (delete_store): Delete a store insn.
2563 (free_store_memory): Free memory.
2564 (store_motion): Perform store motion.
2565 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2566 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2567 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2568 (f_options): Add gcse-lm and gcse-sm.
2570 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2572 * i386.c (expand_fp_movcc): Fix condition reversal code.
2574 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2575 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2576 (CLASS_MAX_NREGS): Use it.
2578 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2579 handle properly complex values.
2580 (CLASS_MAX_NREGS): Likewise; update comment.
2582 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2584 * ia64.c (ia64_flag_schedule_insns2): New variable.
2585 (ia64_override_options): Initialize it. Clear
2586 flag_schedule_insns_after_reload.
2587 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2589 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2591 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2592 Do not require source to match destination anymore;
2593 Add abort to the nontrivial cases that should be handled by split.
2594 (fix_trunc?fdi): Add SSE case for x86_64.
2595 (floatdi?f): Likewise.
2596 (floatdi?f_sse): New.
2597 (fix_trunc?fdi_sse): New.
2599 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2601 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2602 (DEBUG_ARANGES_END_LABEL): Ditto.
2603 (dwarfout_init): Generate length and version fields at the start
2604 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2605 after the length field.
2606 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2607 the .debug_aranges info.
2609 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2611 * i386.c (call, call_value): Make sure that resulting call_insn
2612 does have proper second operand.
2614 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2616 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2617 function. Remove include of sys/cygwin.h.
2619 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2621 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2622 (CPP_SPEC): Always search */include/w32api for header files.
2623 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2624 (LINK_SPEC): Add "cyg" to the library search prefixes.
2626 2001-04-08 Philip Blundell <philb@gnu.org>
2628 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2630 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2632 * cpperror.c (print_location): Don't special case <stdin>.
2633 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2634 WARNING, but we don't check if we're in system headers.
2635 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2636 * cpplib.c (do_warning): Warn in system headers.
2638 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2640 * mbchar.c: Include config.h first.
2642 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2644 * config.gcc: Set default for xmake_file at top, not bottom.
2645 Change places that set xmake_file to "none" to set to the
2646 empty string instead, or remove them entirely if there is no
2647 default xmake_file for this cpu_type. Remove references to
2650 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2651 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2652 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2653 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2654 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2655 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2656 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2657 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2658 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2659 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2662 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2663 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2664 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2665 config/mips/x-sysv, config/rs6000/x-aix31:
2666 Just set CLIB to -lld or -lmld, as appropriate.
2668 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2669 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2670 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2671 config/mips/x-iris, config/pa/x-pa:
2672 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2673 OTHER_FIXINCLUDES_DIRS.
2675 * config/i386/x-djgpp: Don't set LN or LN_S.
2676 * config/m88k/x-dolph: Don't define __m88k__.
2677 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2678 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2679 * config/i860/fx2800.h: No need to #undef SVR4.
2681 38 x-host fragments remain, 2 x-cpu.
2683 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2685 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2687 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2689 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2691 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2693 * configure.in: Add check for lstat.
2694 * configure, config.in: Regenerate.
2695 * cppinit.c (append_include_chain): Make empty path ".".
2696 * cpplib.c (do_line): Don't simplify #line paths.
2697 * cppfiles.c (remove_component_p): New function.
2698 (find_or_create_entry): Acknowledge stat () errors during
2699 path simplification.
2700 (handle_missing_header): Don't simplify paths.
2701 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2702 the empty path untouched. Don't leave a trailing '/'.
2704 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2706 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2707 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2709 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2711 * cppfiles.c (open_file): Fail directories silently, but
2712 with an errno of NOENT set.
2713 (read_include_file): Move the common exit code to the sole
2714 caller. Return an int indicating success or failure. Let
2715 open_file handle directories.
2716 (stack_include_file): If read_include_file fails,
2717 push a "null" buffer.
2719 2001-04-05 DJ Delorie <dj@redhat.com>
2721 * function.h (virtuals_instantiated): Declare.
2722 * function.c: (virtuals_instantiated): Make global.
2723 * calls.c (emit_library_call_value_1): Use
2724 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2725 Otherwise, use the stack pointer directly.
2727 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2729 * i386.c (x86_initialize_trampoline): New global function.
2730 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2731 (INITIALIZE_TRAMPOLINE): Move offline.
2732 * i386-protos.h (x86_initialize_trampoline): Declare.
2734 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2736 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2737 (lea_0): Rename to lea_1.
2738 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2739 (lea_general_?): Allow SImodes on TARGET_64BIT
2740 (lea_general_?_zext): New patterns.
2741 (call_1, call_1_rex64): Fix.
2743 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2745 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2747 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2749 * i386.c (function_arg): Return constm1_rtx for last argument.
2750 (ix86_expand_prologue): Update gen_call calls.
2751 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2752 * i386.md (call_pop): Likewise.
2753 (call): Second operand is VOIDmode.
2754 (call_0): Likewise; Support 64bits.
2755 (call_exp): New expander.
2756 (call_1): Get to the sync.
2757 (call_1_exp): New pattern.
2758 (call_value): Support 64bit.
2759 (call_value_exp): New pattern.
2760 (untyped_call): Update gen_call call.
2761 (call_value_pop): Disable for 64bit.
2762 (call_value_0_rex64): New pattern.
2763 (call_value_1_rex64): Likewise.
2765 2001-04-05 Bo Thorsen <bo@suse.de>
2767 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2769 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2771 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2772 satisfies ANY_QI_REG_P.
2774 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2776 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2779 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2782 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2784 * config.gcc: Remove default for xm_file. Clean up local
2785 machine type handling. Remove settings of xm_file to
2786 something that doesn't exist. In the big switch, set xm_file,
2787 don't append to it (the value before the big switch is always
2788 null). Don't force build_xm_file or host_xm_file to have a value.
2789 * configure.in: Remove default for xm_file. Do not special
2790 case $cpu/xm-$cpu.h not existing.
2791 * configure: Regenerate.
2793 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2795 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2796 when folding integer division and modulo operations.
2798 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2800 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2801 instead of DWARF2_ADDR_SIZE for EH addresses.
2802 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2805 2001-04-04 Richard Henderson <rth@redhat.com>
2807 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2808 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2809 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2811 2001-04-04 Richard Henderson <rth@redhat.com>
2813 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2814 * configure: Rebuilt.
2816 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2818 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2819 push insns to delete to it instead of deleting them.
2820 (delete_null_pointer_checks): Delete insns from delete_list after
2821 all delete_null_pointer_checks_1 passes are done.
2823 2001-04-04 Richard Henderson <rth@redhat.com>
2825 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2826 * configure: Rebuilt.
2828 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2830 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2831 * config/romp/xm-romp.h: Delete.
2833 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2835 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2838 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2840 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2841 all labels present in rtx.
2842 (try_split) Call new function for all split insns.
2844 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2846 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2847 sure the change won't be validated.
2849 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2851 * rtl.h (set_noop_p): Declare.
2852 * flow.c (set_noop_p): Move from here ...
2853 * rtlanal.c (set_noop_p): ... to here and enhance.
2854 * cse.c (delete_trivially_dead_insns): Use it.
2855 * gcse.c (hash_scan_set): Likewise.
2856 * jump.c (delete_noop_moves): Likewise.
2857 * recog.c (split_all_insns): Likewise.
2859 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2861 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2862 stack pointer via a LO_SUM. Ditto for setting a temp register
2863 used to save to the stack. Set cfa_temp when setting fp, and
2864 allow matches to cfa_temp in addition to cfa_store when saving
2865 regs. Handle POST_INC and LO_SUM register stores. Document the
2866 changes and errors in rule 12 doco.
2868 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2869 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2870 (load_reg): Move closer to epilogue code.
2871 (DO_FRAME_NOTES): Define to control the following..
2872 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2873 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2875 (hppa_expand_epilogue): Likewise.
2877 2001-04-03 Richard Henderson <rth@redhat.com>
2879 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2880 * configure: Rebuild.
2882 2001-04-03 Richard Henderson <rth@redhat.com>
2884 * rtl.h (LCT_THROW): New.
2885 * calls.c (emit_library_call_value_1): Handle it.
2886 * except.c (connect_post_landing_pads): Use it.
2888 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2890 * gansidecl.h: Delete file.
2891 * configure.in: Change all refs to gansidecl.h to use
2892 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2894 * configure: Regenerate.
2896 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2897 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2898 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2899 Don't include gansidecl.h.
2900 * intl.c, main.c, version.c, fixinc/fixlib.h,
2901 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2904 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2906 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2909 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2911 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2912 config/i386/xm-next.h, config/i386/xm-sco.h,
2913 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2914 config/m88k/xm-m88k.h: Delete.
2916 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2917 * config/romp/xm-romp.h: Don't define bcopy.
2918 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2919 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2921 * config.gcc: Remove references to deleted files.
2923 14 xm-host.h remain, 1 xm-cpu.h.
2925 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2926 David S. Miller <davem@pierdol.cobaltmicro.com>
2927 Andrew MacLeod <amacleod@redhat.com>
2929 Use byte offsets in SUBREGs instead of words.
2931 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2932 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2933 to pass new argument.
2934 (add_stored_regs): Use subreg_regno_offset function.
2935 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2937 (precompute_arguments): Use gen_lowpart_SUBREG.
2938 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2939 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2940 (simplify_set): Rework to use SUBREG_BYTE.
2941 (expand_field_assignment): Use SUBREG_BYTE.
2942 (make_extraction): Use SUBREG_BYTE.
2943 (if_then_else_cond): Use SUBREG_BYTE.
2944 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2945 (gen_lowpart_for_combine): Compute full byte offset.
2946 * cse.c (mention_regs): Use SUBREG_BYTE.
2947 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2948 (canon_hash): Use SUBREG_BYTE.
2949 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2950 (gen_lowpart_if_possible): Formatting.
2951 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2953 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2954 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2955 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2956 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2957 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2958 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2959 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2960 certain invariants about SUBREGs the compiler creates.
2961 (gen_lowpart_SUBREG): New function.
2962 (subreg_hard_regno): New function to get the final register number.
2963 (gen_lowpart_common): Use SUBREG_BYTE.
2964 (gen_imagpart): Spacing nits.
2965 (subreg_realpart_p): Use SUBREG_BYTE.
2966 (gen_highpart): Use SUBREG_BYTE.
2967 (subreg_lowpart_p): Always compute endian corrected goal offset,
2968 even at the byte level, then compare against that.
2969 (constant_subword): New function, pulled out all constant cases
2970 from operand_subword and changed second argument name to offset.
2971 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2972 and call constant_subword to do the work. Return const0_rtx if
2973 looking for a word outside of OP.
2974 (operand_subword_force): Change second arg name to offset.
2975 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2976 (store_split_bit_field): Use SUBREG_BYTE.
2977 (extract_bit_field): Use SUBREG_BYTE.
2978 (extract_split_bit_field): Use SUBREG_BYTE.
2979 (expand_shift): Use SUBREG_BYTE.
2980 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2981 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2982 * flow.c (set_noop_p): Use SUBREG_BYTE.
2983 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2984 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2985 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2987 (optimize_bit_field): Use SUBREG_BYTE.
2988 (purge_addressof_1): Use SUBREG_BYTE.
2989 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2990 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2991 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2992 * gengenrtl.c (special_rtx): Add SUBREG.
2993 * global.c (mark_reg_store): Use SUBREG_BYTE.
2994 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2995 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2996 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2997 final byte offset is congruent to subreg's mode size.
2998 (subst_constants): Use SUBREG_BYTE.
2999 (mark_stores): Use subreg_regno_offset function.
3000 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3001 function and SUBREG_BYTE.
3002 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3003 (reg_is_born): Use subreg_hard_regno.
3004 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3005 endian correction code. Don't combine subregs unless resulting
3006 offset aligns with type. Fix subreg constant extraction for DImode.
3007 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3008 (general_operand): Remove dead mode_altering_drug code.
3009 (indirect_operand): Use SUBREG_BYTE.
3010 (constrain_operands): Use subreg_regno_offset function.
3011 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3012 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3013 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3014 * regs.h (REG_SIZE): Allow target to override.
3015 (REGMODE_NATURAL_SIZE): New macro which target can override.
3016 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3017 on the entire subreg rtx.
3018 (push_reload): Use SUBREG_BYTE in comments and code.
3019 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3020 for hard registers inside subregs.
3021 (operands_match_p): Use subreg_regno_offset.
3022 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3023 containing hard regs.
3024 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3025 corrections when fixing up MEM subregs.
3026 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3027 subreg_regno_offset where appropriate.
3028 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3029 byte endian corrections when fixing up MEM subregs.
3030 (subst_reloads): When combining two subregs, make sure final
3031 offset is congruent to subreg's mode size.
3032 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3033 (refers_to_regno_for_reload_p): Use subreg_regno.
3034 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3035 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3036 correction code for memory subreg fixups.
3037 (forget_old_reload_1): Use subreg_regno_offset.
3038 (choose_reload_regs): Use subreg_regno.
3039 (emit_input_reload_insns): Use SUBREG_BYTE.
3040 (reload_combine_note_store): Use subreg_regno_offset.
3041 (move2add_note_store): Use subreg_regno_offset.
3042 * resource.c (update_live_status, mark_referenced_resources): Use
3043 subreg_regno function.
3044 (mark_set_resources): Use subreg_regno function.
3045 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3046 (subreg_regno_offset, subreg_regno): Define prototypes.
3047 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3048 (gen_lowpart_SUBREG): Add prototype.
3049 * rtl.texi (subreg): Update to reflect new byte offset representation.
3050 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3051 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3052 (reg_overlap_mentioned_p): Use subreg_regno.
3053 (replace_regs); Make sure final offset of combined subreg is
3054 congruent to size of subreg's mode.
3055 (subreg_regno_offset): New function.
3056 (subreg_regno): New function.
3057 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3058 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3059 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3060 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3061 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3062 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3063 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3064 (print_operand): Use SUBREG_BYTE.
3065 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3066 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3067 (arm_reload_out_hi): Use SUBREG_BYTE.
3068 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3069 instead of SUBREG_WORD.
3070 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3071 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3072 SUBREG creation to use byte offset.
3073 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3074 inverted load insns): Fix explicit rtl subregs to use byte
3076 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3077 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3078 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3079 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3080 to use byte offsets.
3081 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3082 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3083 offsets, also make sure it is congruent to SUBREG's mode size.
3084 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3085 unnamed ldob insn): Generate SUBREGs with byte offset.
3086 (zero_extendqihi2): SUBREG's are byte offsets.
3087 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3088 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3089 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3090 zero-extendqisi2): Generate SUBREGs with byte offset.
3091 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3092 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3093 subregs in rtl to use byte offsets.
3094 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3095 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3096 (mips_move_2words): Use subreg_regno_offset.
3097 (mips_secondary_reload_class): Use subreg_regno_offset.
3098 * config/mips/mips.md (DImode plus, minus, move, and logical op
3099 splits): Fixup explicit subregs in rtl to use byte offsets.
3100 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3101 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3102 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3103 rtl to use byte offsets.
3104 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3105 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3106 subregs to use byte offsets.
3107 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3108 Fixup explicit subregs in rtl to use byte offsets.
3109 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3110 and remove byte endian correction code.
3111 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3112 (gen_ashift_hi): Use SUBREG_BYTE.
3113 (regs_used): Use subreg_regno_offset.
3114 (machine_dependent_reorg): Use subreg_regno_offset.
3115 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3116 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3117 (movdf_i4): Subregs are byte offsets now.
3118 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3119 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3120 (REGMODE_NATURAL_SIZE): Override.
3121 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3122 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3124 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3125 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3126 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3127 it is congruent to SUBREG's mode size.
3128 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3130 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3131 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3132 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3133 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3134 * config/v850/v850.c (print_operand, output_move_double): Use
3135 subreg_regno function.
3137 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3139 * configure.in (target_subdir): Use target_alias, not target.
3140 * configure: Rebuilt.
3142 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3144 * config/sh/crti.asm: Fix typos in comments.
3146 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3148 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3149 TARGET_FAST_INDIRECT_CALLS.
3150 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3152 (return_addr_rtx): Short circuit export stub matching when
3153 TARGET_NO_SPACE_REGS.
3154 (output_millicode_call): For out of range calls, make -fPIC
3155 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3156 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3157 * pa.md: Modify length attr calculation of all millicode insns to
3160 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3162 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3163 Require at least 2.11 in the version test. Specifically check
3164 for and reject GAS version 2.10.90.
3165 * configure: regenerate.
3167 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3169 * pa.c (override_options): Remove PIC profiling warning.
3170 (hp_profile_labelno): Delete.
3171 (hp_profile_label_rtx): Delete.
3172 (hp_profile_label_name): Delete.
3173 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3174 (output_function_prologue): Remove profiling code and all tests on
3175 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3176 merge_sp_adjust_with_store can work for PIC and profiling.
3177 (hppa_expand_epilogue): Remove profile_flag test.
3178 (hppa_can_use_return_insn_p): Likewise.
3179 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3180 cater for PROFILE_HOOK.
3181 (hppa_profile_hook): New function.
3182 * pa.h (FUNCTION_PROFILER): Now does nothing.
3183 (PROFILE_HOOK): Define.
3184 (hppa_profile_hook): Declare.
3185 (PROFILE_BEFORE_PROLOGUE): Delete.
3186 (ASM_OUTPUT_REG_PUSH): Delete.
3187 (ASM_OUTPUT_REG_POP): Delete.
3188 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3189 r24. Accept function name operand, and use this and a locally
3190 generated label to calculate pc-rel offset to func start.
3192 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3194 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3195 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3198 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3200 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3201 LO_SUM cases to where they belong.
3203 2001-04-02 Richard Henderson <rth@redhat.com>
3205 * except.h (lang_eh_type_covers): Mark extern.
3206 (lang_eh_runtime_type): Likewise.
3208 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3210 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3211 gengenrtl.c: Wrap generated header in multiple-include guard.
3212 Improve error checking.
3214 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3216 * configure.in: Don't check for putenv.
3217 * configure: Regenerate.
3218 * gcc.c (putenv): Don't define.
3219 * vax/xm-vms.h: Handle putenv.
3221 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3223 * ifcvt.c (noce_emit_move_insn): New.
3224 (noce_try_store_flag, noce_try_store_flag_constants,
3225 noce_try_store_flag_inc, noce_try_store_flag_mask,
3226 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3227 noce_try_abs): Use it.
3228 (noce_process_if_block): Likewise.
3229 For STRICT_LOW_PART, take mode from its SUBREG.
3231 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3233 * fold-const.c (fold): Before optimizing unsigned comparison with
3234 0x7fffffffU, make sure arg0 is integral type.
3236 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3238 * c-tree.texi: Document representation of wide strings.
3240 2001-04-01 Richard Henderson <rth@redhat.com>
3242 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3244 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3246 * i386.md: remove obsoleted comments.
3247 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3248 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3249 fix output template.
3251 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3253 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3255 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3257 * loop.c (load_mems): When generating a load from a pseudo, update
3260 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3262 * i386.c (ix86_split_long_move): Use change address to compensate
3263 stack pointer change in push instruction.
3265 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3267 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3268 instead of rtx_equal_p; fix the output template.
3270 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3272 * i386.c (ix86_expand_setcc): Support 64bit.
3273 (ix86_expand_int_movcc): Likewise.
3274 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3277 * i386.md (allocate_stack_worker): Turn to expander.
3278 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3280 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3282 2001-03-29 Richard Henderson <rth@redhat.com>
3284 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3286 2001-03-28 Matthew Hiller <hiller@redhat.com>
3288 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3291 * MAINTAINERS: Added self.
3293 2001-03-28 Richard Henderson <rth@redhat.com>
3295 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3296 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3298 2001-03-28 Jim Wilson <wilson@redhat.com>
3300 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3303 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3305 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3307 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3310 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3312 2001-03-28 DJ Delorie <dj@redhat.com>
3314 * Makefile.in (stage1_build): Revert CFLAGS patch.
3316 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3318 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3319 when multiplier or multiplicand is zero.
3321 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3323 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3325 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3327 (set_src_needs_barrier): Likewise.
3328 (rtx_needs_barrier): For SET case, use these two functions. Rework
3329 PARALLEL case to handle all inputs before all outputs.
3330 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3331 saw a label and no stop bit since then.
3332 (maybe_rotate, process_epilogue): Add prototypes.
3334 2001-03-28 Richard Henderson <rth@redhat.com>
3336 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3337 not TARGET_TOC for special toc restore handling.
3338 * config/rs6000/rs6000.md (eh_return): Likewise.
3340 2001-03-28 Richard Henderson <rth@redhat.com>
3342 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3343 current_function_calls_eh_return.
3344 (output_function_epilogue): Handle eh_return.
3345 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3346 (EH_RETURN_DATA_REGNO): New.
3347 (EH_RETURN_STACKADJ_RTX): New.
3348 (EH_RETURN_HANDLER_RTX): New.
3349 * config/sparc/sparc.md (call/short branch peepholes): Check
3350 can_throw_internal instead of in_same_eh_region.
3352 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3353 for eh_return data registers.
3354 (rs6000_emit_prologue): Save eh_return data registers.
3355 (rs6000_emit_epilogue): Force inline restores if eh_return.
3356 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3357 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3358 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3359 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3360 the target uses one.
3361 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3362 (return_eh_si, return_eh_di): Remove.
3363 (eh_return): New, from corpse of eh_epilogue.
3364 (eh_set_lr_si, eh_set_lr_di): New.
3366 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3367 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3368 True for pic register if current_function_calls_eh_return.
3369 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3370 Handle eh_return requirements.
3371 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3372 (EH_RETURN_STACKADJ_RTX): New.
3373 * config/i386/i386.md (exception_receiver): Remove.
3374 (eh_return, eh_return_1): New.
3375 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3377 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3378 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3379 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3380 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3381 (EH_RETURN_DATA_REGNO): New.
3382 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3383 * config/alpha/alpha.md (eh_epilogue): Remove.
3384 (exception_receiver): Use $26 for ldgp input.
3385 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3387 2001-03-28 Richard Henderson <rth@redhat.com>
3389 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3390 * except.h: Likewise.
3392 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3393 (LIB2ADDEHDEP): New.
3394 (LIB2FUNCS_EH): Remove.
3395 (LIB2ADD): Remove LIB2ADDEH.
3396 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3397 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3398 (crt{begin,end}[S].o): Likewise.
3399 (except.o): Update includes.
3400 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3401 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3403 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3404 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3405 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3406 * builtins.c (expand_builtin): Implement it.
3407 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3408 * c-common.c (c_common_nodes_and_builtins): Declare it.
3409 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3410 * calls.c (libfunc_nothrow): Remove.
3411 (emit_library_call_value_1): Don't call it.
3412 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3413 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3414 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3415 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3416 (current_funcdef_number): Globalize.
3417 (output_call_frame_info): Emit frame data if an lsda is needed.
3418 Generate augmentation for personality routine. Don't play with
3420 (dwarf2out_begin_prologue): Record funcdef_number.
3421 * dwarf2out.h (current_funcdef_number): Declare.
3422 * expr.c (expand_expr): Update for except.h name changes.
3423 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3424 * expr.h (LTI_throw, LTI_rethrow): Remove.
3425 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3426 (LTI_eh_rtime_match): Remove.
3427 (LTI_unwind_resume, LTI_eh_personality): Add.
3428 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3429 * final.c (final): Don't call check_exception_handler_labels,
3430 init_insn_eh_region, or free_insn_eh_region.
3431 (final_scan_insn): Always emit debug labels for
3432 NOTE_INSN_EH_REGION notes.
3433 * flags.h (flag_new_exceptions): Remove.
3434 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3435 (record_active_eh_regions): Remove.
3436 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3437 Use can_throw_internal.
3438 (find_basic_blocks_1): Likewise.
3439 (move_stray_eh_region_notes): Remove.
3440 (find_label_refs): No eh_return_stub_label.
3441 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3442 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3444 (delete_unreachable_blocks): Don't track deleted handlers.
3445 (flow_delete_block): Use maybe_remove_eh_handler.
3446 (delete_eh_regions): Remove.
3447 (merge_blocks): Don't check for eh region match.
3448 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3449 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3450 (init_propagate_block_info): Disable dead frame store optimization
3451 when current_function_calls_eh_return.
3452 (dump_bb): Don't print eh_beg, eh_end.
3453 * function.c (fixup_var_refs): No catch_clauses.
3454 (expand_function_end): Likewise. Call expand_eh_return before
3455 the return register use. Call sjlj_emit_function_exit_after.
3456 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3457 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3458 * ifcvt.c (dead_or_predicable): Remove eh region check.
3459 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3460 Don't check for EH vs parameters.
3461 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3462 (expand_inline_function): Call duplicate_eh_regions.
3463 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3464 (copy_insn_notes): Remap REG_EH_REGION notes.
3465 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3466 * integrate.h (struct inline_remap): Add local_return_label.
3467 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3468 check_exception_handler_labels, nor exception_optimize.
3469 (find_cross_jump): No EH region check.
3470 * optabs.c (init_optabs): Update for changed eh libfuncs.
3471 * rtl.def (RESX): New.
3472 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3473 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3474 checks. Update for except.h name changes.
3475 (expand_cleanups): Likewise.
3476 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3477 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3478 (compile_file): Call init_eh before init_optabs. Don't
3479 output_exception_table here.
3480 (rest_of_compilation): Call convert_from_eh_region_ranges,
3481 convert_to_eh_region_ranges, output_function_exception_table.
3482 Don't emit_eh_context.
3483 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3484 (EXC_PTR_EXPR): New.
3486 * md.texi (eh_epilogue): Remove.
3487 (eh_return): Document.
3488 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3489 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3491 * eh-common.h: Remove file.
3492 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3493 * libgcc2.c (L_eh): Remove.
3495 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3496 * unwind-dw2-fde.h: New file.
3497 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3498 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3499 * libgcc-std.ver: Update for eh symbols.
3501 2001-03-27 Richard Henderson <rth@redhat.com>
3503 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3504 reduce false positives.
3505 (regmove_optimize): Disable if flag_non_call_exceptions.
3507 * stmt.c (expand_return): Remove always true predicate.
3508 (expand_decl_cleanup_no_eh): Remove dead code.
3510 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3511 barrier code. Add a scheduling barrier if a non-call insn
3512 can throw internally.
3514 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3515 Auto-inc addresses trap only if their base register does.
3517 * except.c (can_throw_internal): Rename from can_throw.
3518 * except.h, resource.c: Update references.
3520 * integrate.c (copy_insn_list): Use returnjump_p.
3521 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3523 * function.h (struct function): Move all boolean valued fields
3524 to single bit fields at the end of the struct.
3526 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3528 Rename asynchronous_exceptions to flag_non_call_exceptions.
3530 * gthr-single.h (UNUSED): New. Distinguish between how C
3531 and C++ mark unused function arguments. Use throughout.
3533 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3534 value to target configuration header.
3535 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3536 * config.in, configure: Rebuild.
3537 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3538 configuration and target defines.
3539 (exceptions_via_longjmp): Remove.
3540 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3541 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3543 * except.h (flag_non_call_exceptions): Move ...
3544 * flags.h: ... here.
3546 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3547 exceptions, put the note on the trapping instruction.
3549 * flags.h (flag_new_exceptions): Remove.
3550 * toplev.c: Don't set it.
3551 * final.c: Don't check it.
3552 * except.c: Provide stub definition.
3554 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3555 (calculate_global_regs_live): Kill call-clobbered registers
3556 across exception edges.
3557 * reg-stack.c (convert_regs_1): Kill the entire target stack
3558 across non-call exception edges.
3560 * flow.c (cleanup_cfg): Take no argument.
3561 * output.h, sibcall.c, toplev.c: Update all calls.
3563 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3565 * configure.in: Don't check for bcopy.
3566 * configure, config.in: Regenerate.
3568 * system.h: Don't define or prototype bcopy, instead poison it.
3570 2001-03-27 Richard Henderson <rth@redhat.com>
3572 * function.c (expand_function_start): Set DECL_REGISTER on
3573 a pseudo used for DECL_RESULT.
3575 * rtl.h (LCT_NORETURN): New.
3576 * calls.c (emit_library_call_value_1): Handle it.
3578 2001-03-27 Stan Shebs <shebs@apple.com>
3580 * objc/objc-act.c (objc_init): Use dump_base_name.
3581 (gen_declaration): Clear the buffer arg.
3582 (gen_declaration_1): New function, body of gen_declaration.
3583 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3584 (gen_method_decl): Ditto, plus always clear buffer arg.
3585 (error_with_ivar): Simplify.
3586 (warn_with_method): Ditto.
3587 (build_message_expr): Don't clear buffers.
3588 (dump_interface): Ditto.
3589 (objc_debug): Ditto.
3590 (build_keyword_selector): Clear the buffer by only zeroing
3592 (objc_implementation_context): Declare.
3593 (start_class): Warn about missing @end.
3594 (finish_objc): Ditto.
3596 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3598 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3600 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3602 * Makefile.in (SYSTEM_H): Define.
3603 Depend on $(SYSTEM_H), not system.h.
3605 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3607 2001-03-27 Jim Wilson <wilson@redhat.com>
3609 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3611 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3612 (process_epilogue): New static function.
3613 (process_set): Call process_epilogue instead of emitting .restore
3615 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3617 * flow.c (struct reg_cond_life_info): New fields orig_condition
3619 (init_propagate_block_info): Set new fields.
3620 (mark_regno_cond_dead): Set and use new fields.
3621 (flush_reg_cond_reg_1): Likewise.
3622 (and_reg_cond, case AND): Check for redundant AND conditions.
3623 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3626 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3628 * cppmacro.c (stringify_arg): Null terminate strings.
3630 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3632 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3633 inclusion style. xm-m68hc11.h no longer exists.
3634 * config/m68hc11/xm-m68hc11.h: Delete file.
3635 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3637 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3638 Don't define GCC_VERSION, N_, or PARAMS; don't include
3639 gansidecl.h or stdio.h. Define inhibit_libc here.
3640 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3641 Delete code conditioned on #if GCC_VERSION == 2095.
3643 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3644 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3645 Delete code conditioned on #if GCC_VERSION == 2095.
3647 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3649 * system.h: Include symcat.h.
3650 (STRINGIFY): Don't define.
3652 * configure.in: Adjust comment.
3654 * builtins.c: Use STRINGX, not STRINGIFY.
3655 * gencheck.c: Likewise.
3656 * gengenrtl.c: Likewise.
3657 * protoize.c: Likewise.
3659 * cpplex.c: Don't include symcat.h.
3660 * cpplib.c: Likewise.
3662 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3664 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3666 * c-typeck.c (digest_init): Fold init expression.
3668 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3670 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3672 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3674 * except.c (eh_regs): Save results of build_pointer_type to a temp
3675 as FUNCTION_VALUE macro may evaluate its args multiple times.
3677 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3679 * c-common.h (DECL_NUM_STMTS): New macro.
3680 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3682 (pushdecl): Likewise.
3683 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3684 * integrate.c (expand_inline_function): Don't check
3686 * print-tree.c (print_node): Don't print it.
3687 * toplev.c (rest_of_compilation): Don't try to inline when
3688 flag_no_inline is on.
3689 * tree.h (DECL_FRAME_SIZE): Remove.
3690 (tree_decl): Adjust accordingly.
3692 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3694 * combine.c (try_combine): Use memcpy, not bcopy.
3696 * genattrtab.c (expand_units): Likewise.
3698 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3700 * i386.md (push mem DI peep2): New.
3701 (mov 0, mov -1 peep2): Handle 64bit.
3702 (lea to arithmetics peep2): Handle 64bit leas.
3703 (rsp arithmetics to push/pop peep2s): New.
3705 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3707 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3709 * i386.c (struct machine_function): Add save_varrargs_registers.
3710 (ix86_save_varrargs_registers): New macro.
3711 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3712 (ix86_expand_prologue): Likewise.
3713 (ix86_emit_epilogue_esp_adjustement): Likewise.
3714 (ix86_expand_epilogue): Likewise.
3715 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3716 (pro_epilogue_adjust_stack_1): New insn.
3717 (pro_epilogue_adjust_stack_rex64): Likewise.
3718 * i386.h (MASK_NO_RED_ZONE): New constant.
3719 (TARGET_RED_ZONE): New macro.
3720 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3721 (RED_ZONE_SIZE): New constant.
3722 (RED_ZONE_RESERVE): New constant.
3724 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3728 2001-03-25 Kazu Hirata <kazu@hxi.com>
3730 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3733 (umodhi3): Likewise.
3736 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3738 * mkconfig.sh (DEFINES): Handle entries with '='.
3740 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3741 Set xm_defines to MACRO=value instead.
3743 * i370/xm-mvs.h: Delete.
3745 * ns32k/xm-pc532-min.h: Likewise.
3747 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3749 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3751 use ix86_expand_binary_operator
3752 (?sh??i_?): Disable for 64bit.
3753 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3754 * i386.c (shiftdi_operand): New predicate.
3756 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3757 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3758 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3759 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3760 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3761 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3762 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3763 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3764 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3765 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3766 (rotldi3, rotrdi3): New expanders.
3768 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3770 * i386.md (movstrsi): Move offline.
3772 (strmovdi_rex64): New.
3773 (strmov?i): Accept 64bit.
3774 (strmov?i_rex64): New.
3775 (strmov?i_rex_1): New.
3776 (strmov?i_1): Disable for 64bit.
3777 (rep_mov?i_rex64): New.
3778 (rep_mov?i): Disable for 64bit.
3779 (clrstrsi): Move offline.
3780 (strset?i_rex64): New.
3781 (strset?i: Accept 64bit.
3782 (rep_stos?i): Disable for 64bit.
3783 (rep_stos?i_rex64): New.
3784 (strset?i_rex_1): New.
3785 (strset?i_1): Disable for 64bit.
3786 (cmpstrsi): Accept 64bit.
3787 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3788 (cmpstrqi_nz_rex_1): New.
3789 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3790 (strlensi): Move offline.
3792 (strlenqi_1): Disable for 64bit; fix constraints.
3793 (strlenqi_rex_1): New.
3794 * i386.c (ix86_adjust_counter): New static function.
3795 (ix86_zero_extend_to_Pmode): Likewise.
3796 (ix86_expand_aligntest): Likweise.
3797 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3798 (ix86_expand_movstr): New global function.
3799 (ix86_expand_clrstr): New global function.
3800 (ix86_expand_strlen): New global function.
3801 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3802 ix86_expand_strlen): Declare.
3803 (ix86_expand_strlensi_unroll_1): Delete.
3805 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3807 * i386.md (cmpdi): Fix operand predicates.
3808 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3809 cmpdi_1_insn_rex64): New patterns.
3810 (adddi3): Turn to expander.
3811 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3812 (addsi3_carry_zext): New pattern.
3813 (adddi_?_rex64): New patterns and splitters.
3814 (addsi_?_zext): New patterns.
3815 (subsi3_carry_zext): New pattern.
3816 (subdi_?_rex64): New patterns and splitters.
3817 (iorsi_?_zext): New patterns.
3818 (iordi_?_rex64): New patterns and splitters.
3819 (iorsi_?_zext): New patterns.
3820 (iorsi_?_zext_imm): New patterns.
3821 (xorsi_?_zext): New patterns.
3822 (xordi_?_rex64): New patterns and splitters.
3823 (xorsi_?_zext): New patterns.
3824 (negdi*): New patterns.
3825 (one_cmpldi*): Likewise.
3826 (one_cmplsi*_zext, negsi*_zext): Likewise.
3827 (testqi_ext_3_rex64): New pattern.
3829 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3831 * i386-protos.h (ix86_split_long_move): Return void.
3832 * i386.c (ix86_split_to_parts): Handle 64bit target.
3833 (ix86_split_long_move): Likewise.
3834 * i386.md (all calls to ix86_split_long_move): Update.
3836 2001-03-23 Richard Henderson <rth@redhat.com>
3838 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3839 to avoid shadowing arguments.
3841 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3843 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3844 to variable names where DECL_NAME is different from
3845 DECL_ASSEMBLER_NAME.
3847 2001-03-23 Jim Wilson <wilson@redhat.com>
3849 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3850 (assemble_alias): Call make_decl_rtl.
3852 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3854 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3856 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3858 * extend.texi: Document the "java_interface" attribute.
3860 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3862 * mkconfig.sh: Use a subshell with redirected stdout,
3863 instead of closing stdout and confusing commands that run
3864 afterward. Throw away output of cmp.
3866 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3868 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3870 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3872 * i386.md (zero_extendsidi2_32): Break out from ...
3873 (zero_extendsidi2): ... here ; turn to expander.
3874 (zero_extendsidi2_rex64): New.
3875 (extendsidi2_32): Break out from ...
3876 (extendsidi2): ... here ; turn to expander.
3877 (extendsidi2_rex64): New.
3878 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3879 (trunc?f?f splitters): Add 64bit versions.
3881 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3883 * i386.md (pushsi, pushsi2_prologue): Disable.
3884 (pushsi2_rex64): New.
3885 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3886 (movqi_ext_1): Disable for 64bit.
3887 (movqi_ext_1_rex64): New.
3888 (pushdi2_rex64): New pattern, peep2s and splitter.
3889 (pushdi2_prologue_rex64): New pattern.
3890 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3892 (movdi splitters): Disable for 64bit.
3893 (movdi_1_rex64): New pattern, peep2s and splitters.
3894 (swapdi): New pattern.
3895 (pushsf): Disable for 64bit.
3896 (pushsf_rex64): New pattern and splitter.
3897 (pushdf_nointeger): Disable for 64bit.
3898 (pushdf_integer): Handle the 64bit case.
3899 (pushtf): Likewise; update splitters.
3901 2001-03-22 Richard Henderson <rth@redhat.com>
3903 * mkconfig.sh: Include insn-flags.h.
3904 * Makefile.in (CONFIG_H): Include insn-flags.h.
3905 (lots of objects): Remove insn-codes.h and insn-flags.h.
3907 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3908 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3909 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3910 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3911 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3912 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3913 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3914 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3915 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3916 v850/v850.c, vax/vax.c:
3917 Don't include insn-flags.h.
3919 * diagnostic.c, expr.h, reload.c, toplev.c:
3920 Don't include insn-codes.h.
3922 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3923 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3924 c4x/c4x.c, i960/i960.c, mips/mips.c:
3925 Don't include insn-codes.h or insn-flags.h.
3927 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3928 or insn-flags.h in the generated code.
3929 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3930 (main): Forward declare struct rtx_def.
3932 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3934 * invoke.texi (-ffast-math): Remove duplicate line about
3937 * gcc.texi: Remove more obsolete documentation of bugs and
3938 installation problems.
3940 2001-03-21 Kazu Hirata <kazu@hxi.com>
3942 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3945 2001-03-20 Jason Merrill <jason@redhat.com>
3947 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3949 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3950 * varasm.c (CHKR_PREFIX): Likewise.
3952 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3954 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3955 is part of a multi-SET insn.
3957 * cse.c (find_comparison_args): Remove previous change.
3958 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3961 * config/i386/i386.md (conditional_trap): Remove warning.
3963 * recog.c (push_operand): Fix error in last change that caused
3964 undefined symbol on many targets.
3966 * sdbout.c: #include ggc.h.
3967 (sdbout_init): Move to end of file.
3968 Call ggc_add_tree_root for anonymous_types.
3969 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3970 (sdbout_one_type): Use DECL_NAME for field name.
3971 * Makefile.in (sdbout.o): Show includes ggc.h.
3973 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3975 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3976 (override_options): Use properlimits for preferred_stack_boundary.
3977 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3979 (ext_register_operand): Accept DImode.
3980 (load_pic_register): Abort on 64bit.
3981 (gen_push): Use Pmode instead of SImode.
3982 (ix86_save_reg): Pic reg is never used on 64bit.
3983 (ix86_expand_prologue): Likewise.
3984 (ix86_emit_save_regs): Use Pmode instead of SImode.
3985 (legitimate_address_p): Check displacement for 64bit.
3986 (print_operand): Avoid outputting of (%rip) on 64bit.
3987 (print_operand_address): Output (%rip) where possible.
3988 (split_di): Abort on 64bit registers.
3989 (ix86_expand_branch): DImode comparison is simple for x86_64.
3990 (memory_address_length): Recognize memory addresses formed using
3992 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3994 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3996 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3998 * recog.c (push_operand): Recognize new format of push instructions.
4000 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4002 * i386.md (pushqi1): New.
4003 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4004 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4005 x86_64_immediate_operand, x86_64_immediate_operand,
4006 x86_64_zext_immediate_operand): Declare.
4007 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4008 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4009 x86_64_immediate_operand, x86_64_immediate_operand,
4010 x86_64_zext_immediate_operand): define.
4011 * i386.h (PREDICATE_CODES): Add new predicates.
4013 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4015 * i386.md (pophi1, popqi1, pushqi1): Remove.
4017 * expr.c (emit_single_push_insn): New function.
4018 (move_by_pieces): Accept NULL as destination for push instructions.
4019 (gen_push_operand): Kill.
4020 (emit_push_insn): Pass NULL when pushing; avoid updating of
4021 stack_pointer_delta.
4022 * expr.h (gen_push_operand): Kill.
4024 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4026 * rtl.texi (COMPARE): Clarify documentation and reference section
4029 2001-03-20 Stan Shebs <shebs@apple.com>
4031 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4032 (get_object_reference): Ditto.
4033 (error_with_ivar): Use error_with_file_and_line.
4034 (warn_with_method): Use warning_with_file_and_line.
4036 2001-03-20 Tom Tromey <tromey@redhat.com>
4038 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4040 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4042 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4043 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4045 2001-03-20 DJ Delorie <dj@redhat.com>
4047 * Makefile.in (install-libgcc): Pass complete list of variables.
4048 (install-multilib): Ditto.
4050 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4052 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4053 drectve_section, switch_to_section.
4055 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4056 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4057 i386_pe_mark_dllimport.
4059 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4061 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4062 functions i386_pe_*.
4064 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4065 i386_pe_* functions with char * arguments.
4067 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4069 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4071 (movsi_ie): Introduce fpul store.
4073 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4075 * Makefile.in (OBJS): Remove hashtab.o.
4077 2001-03-19 Stan Shebs <shebs@apple.com>
4079 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4080 * c-lang.c (maybe_objc_method_name): Ditto.
4081 * c-tree.h (maybe_objc_method_name): Remove decl.
4083 2001-03-19 Tom Tromey <tromey@redhat.com>
4085 * gcc.c (init_gcc_specs): Fix comment.
4087 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4089 Compute DECL_ASSEMBLER_NAME lazily.
4090 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4091 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4092 (SET_DECL_ASSEMBLER_NAME): Likewise.
4093 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4094 (set_decl_assembler_name): Declare.
4095 (lang_set_decl_assembler_name): Likewise.
4096 * tree.c (lang_set_decl_assembler_name): New variab.e
4097 (set_decl_assembler_name): New function.
4098 (init_obstacks): Set lang_set_decl_assembler_name.
4099 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4100 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4101 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4102 where it's not necessary.
4103 (builtin_function): Likewise.
4104 (finish_decl): Likewise.
4105 * dbxout.c (dbxout_type_methods): Likewise.
4106 * ggc-common.c (ggc_mark_trees): Likewise.
4107 * profile.c (output_func_start_profiler): Likewise.
4108 * varasm.c (make_decl_rtl): Likewise.
4110 * cse.c (find_comparison_args): Update documentation. Fix
4111 mishandling of COMPARE operations.
4113 * tree.def (ABS_EXPR): Add documentation.
4114 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4116 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4118 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4120 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4122 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4123 Remove ia32 linux PIC kludge and move it...
4124 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4126 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4128 * i386.md (absdf2 expander): Fix 64bit case.
4130 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4132 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4134 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4136 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4138 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4140 * README.X11: Remove obsolete file.
4142 2001-03-18 Anthony Green <green@redhat.com>
4144 * config/pj/pj.h: Remove some trailing commas.
4145 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4147 2001-03-18 Richard Henderson <rth@redhat.com>
4149 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4150 * calls.c: ... here.
4151 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4152 defaults for them here.
4154 2001-03-17 Anthony Green <green@redhat.com>
4156 * config/pj/lib1funcs.S: Fix broken comment.
4157 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4160 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4162 * gcc.texi: Remove obsolete information relating to build and
4163 installation problems with enquire or the Pyramid C compiler.
4165 2001-03-17 Richard Henderson <rth@redhat.com>
4167 * dwarf2out.c (queue_reg_save): New.
4168 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4169 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4171 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4172 (cfa, cfa_store, cfa_temp): Make static.
4173 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4175 2001-03-17 Richard Henderson <rth@redhat.com>
4177 * integrate.h (struct inline_remap): Add local_return_label.
4178 * integrate.c (expand_inline_function): Initialize it and emit
4179 it after copy_insn_notes.
4180 (copy_insn_list): Don't store local_return_label here.
4181 (copy_insn_notes): New function split out from copy_insn_list.
4183 2001-03-17 Richard Henderson <rth@redhat.com>
4185 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4186 is generating .debug_line.
4187 (dwarf2out_init): Add main_input_filename to the file table first.
4188 * configure.in (as_dwarf2_debug_line): Test with file number 1
4189 instead of file number 0.
4191 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4193 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4194 (gen_rtx_combine): Deleted; all references changed as appropriate.
4195 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4197 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4199 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4201 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4204 2001-03-16 Jim Wilson <wilson@redhat.com>
4206 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4207 then set it to LOC_REG (79) instead of aborting.
4209 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4211 * gccbug.in: Remove high priority.
4213 2001-03-16 Richard Henerson <rth@redhat.com>
4215 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4216 output with a space instead of deleting it.
4217 * configure: Regenerate.
4219 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4221 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4222 handles the gory details of converting an object file into
4223 something that's safe to grep.
4224 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4225 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4226 newlines at either end of the string we're looking for.
4227 Make 'checking ...' message less stilted.
4228 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4229 ARM in-memory layout and its hypothetical converse. Don't
4230 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4231 HOST_WORDS_BIG_ENDIAN.
4233 * configure.in: Adjust for renamed macro. Move
4234 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4235 * configure, config.in: Regenerate.
4237 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4239 * fixinc/Makefile.in: Set SHELL.
4241 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4243 * fixinc/fixincl.c (fix_with_system): Quote file names before
4244 passing them to shell.
4246 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4248 * Makefile.in: Use fix-header$(build_exeext) instead
4251 2001-03-16 Richard Henderson <rth@redhat.com>
4253 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4254 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4255 (size_of_line_prolog): Remove.
4256 (output_line_info): Compute prologue size via label difference.
4257 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4259 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4260 assembler error when redefining file numbers.
4261 * config.in, configure: Rebuild.
4263 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4264 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4265 (dw2_asm_output_delta_uleb128): Likewise.
4266 (dw2_asm_output_delta_sleb128): Similarly.
4267 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4269 2001-03-16 Michael Meissner <meissner@redhat.com>
4271 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4273 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4275 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4277 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4278 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4279 being unsigned in ISO C and signed in traditional.
4280 (expand_prologue): Ditto.
4281 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4283 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4285 (divsi3,divdi3): Ditto.
4286 (modsi3,moddi3): Ditto.
4287 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4288 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4289 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4292 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4294 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4295 SSE based conditional moves on LTGT/UNEQ conditions;
4296 Canonicalize EQ to NE.
4297 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4298 (sse_mov?fcc_ne): New.
4300 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4302 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4304 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4305 register may be dead.
4307 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4309 * Makefile.in (hash.o): Depend on CONFIG_H.
4311 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4313 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4315 2001-03-15 Richard Henderson <rth@redhat.com>
4317 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4318 (ASM_OUTPUT_DWARF_PCREL): New.
4319 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4321 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4323 * cppfiles.c (stack_include_file): Use MAX of sysp.
4325 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4327 * config.gcc (ia64*-*-hpux*): New case.
4328 * config/ia64/hpux.h: New file for HP-UX support.
4329 * config/ia64/t-hpux: New file for HP-UX support.
4331 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4333 * fixinc/inclhack.def (irix_stdio_va_list): New.
4334 * fixinc/fixincl.x: Rebuilt.
4336 2001-03-15 Richard Henderson <rth@redhat.com>
4338 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4339 if provided by the target.
4340 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4341 (dw2_asm_output_addr): New.
4342 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4343 * dwarf2out.c (output_cfi): Use it for program addresses.
4344 (output_call_frame_info, output_die): Likewise.
4345 (output_aranges, output_line_info): Likewise.
4347 2001-03-15 Bruce Korb <bkorb@gnu.org>
4349 * gcc.c(main): make more rigorous
4350 * collect2.c(main): guard against ignoring SIGCHLD
4351 * protoize.c(main): ditto
4352 * gcc/fixinc/fixincl.c(initialize): ditto
4354 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4356 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4357 (sdbout_parms): Likewise.
4359 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4361 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4362 "widen" a destination that is already wider than a word. Also do
4363 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4365 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4367 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4369 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4371 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4373 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4375 * i960.h (i960_maxbitalignment,
4376 i960_last_maxbitalignment): Declare.
4377 * i960.c (i960_maxbitalignment,
4378 i960_last_maxbitalignment): Make global.
4379 (process_pragma): Delete.
4380 (i960_pr_align, i960_pr_noalign): Move from here ...
4381 * i960-c.c: ... to this new file.
4382 * t-960bare (i960-c.o): New rule.
4383 * t-vxworks960 (i960-c.o): Likewise.
4384 * config.gcc (i960-*-*): Define c_target_objs and
4387 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4389 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4390 without adding in rtx code and mode.
4392 * alias.c (init_alias_analysis): Don't use any rtx whose value
4393 varies as a known value.
4394 Delete a superfluous test.
4396 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4398 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4399 scheduling a stop bit.
4400 (ia64_emit_nops): Correctly handle ASMs.
4402 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4404 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4406 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * cpp.texi: Update documentation for -include and -imacros.
4409 * cppfiles.c (struct include_file): Remove "defined" memeber.
4410 (find_or_create_entry): Make a copy of the file name, and
4412 (open_file): Update to ensure we use the simplified filename.
4413 (stack_include_file): Don't set search_from.
4414 (cpp_included): Don't simplify the path name here.
4415 (find_include_file): New prototype. Call search_from to
4416 get the start of the "" include chain. Don't simplify the
4418 (_cpp_execute_include): New prototype. Move diagnostics to
4419 do_include_common. Update.
4420 (_cpp_pop_file_buffer): Don't set defined.
4421 (search_from): New prototype. Use the preprocessor's cwd
4422 for files included from the command line.
4423 (read_name_map): Don't simplify the pathname here.
4424 * cpphash.h (enum include_type): New.
4425 (struct buffer): Delete search from. New search_cached.
4426 (_cpp_execute_include): Update prototype.
4427 * cppinit.c (do_includes): Use _cpp_execute_include.
4428 * cpplib.c (do_include_common): New function.
4429 (do_include, do_include_next, do_import): Use it.
4431 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4433 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4434 contents of the RTL, to determine the name of the object.
4436 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4438 * tree.h (DECL_RTL): Allocate RTL lazily.
4439 (SET_DECL_RTL): New macro.
4440 (DECL_RTL_SET_P): Likewise.
4441 (COPY_DECL_RTL): Likewise.
4442 (DECL_RTL_IF_SET): Likewise.
4443 * varasm.c (make_decl_rtl): Add assertions about the kind of
4444 declaration we are processing.
4445 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4446 (start_decl): Likewise.
4447 (finish_decl): Likewise.
4448 * c-semantics.c (emit_local_var): Likewise.
4449 * calls.c (expand_call): Likewise.
4450 * dbxout.c (dbxout_symbol): Likewise.
4451 * emit-rtl.c (unshare_all_rtl): Likewise.
4452 (unshare_all_decls): Likewise.
4453 (reset_used_decls): Likewise.
4454 * expr.c (store_constructor): Likewise.
4455 (safe_from_p): Likewise.
4456 (expand_expr): Likewise.
4457 * function.c (put_var_into_stack): Likewise.
4458 (instantiate_decls_1): Likewise.
4459 (assign_parms): Likewise.
4460 (expand_function_start): Likewise.
4461 (expand_function_end): Likewise.
4462 * ggc-common.c (gcc_mark_trees): Likewise.
4463 * integrate.c (function_cannot_inline_p): Likewise.
4464 (copy_decl_for_inlining): Likewise.
4465 (expand_inline_function): Likewise.
4466 (integrate_parm_decls): Likewise.
4467 (integrate_decl_tree): Likewise.
4468 * print-tree.c (print_node): Likewise.
4469 * reg-stack.c (stack_result): Likewise.
4470 * stmt.c (label_rtx): Likewise.
4471 (expand_return): Likewise.
4472 (expand_decl): Likewise.
4473 (expand_decl_cleanup): Likewise.
4474 (expand_anon_union_decl): Likewise.
4475 * toplev.c (check_global_declarations): Likewise.
4476 (rest_of_decl_compilation): Likewise.
4477 * tree.c (simple_cst_equal): Likewise.
4478 * objc/objc-act.c (generate_static_references): Likewise.
4480 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4482 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4483 gcc_AC_C_FLOAT_FORMAT): New macros.
4484 * configure.in: Add AC_PROG_CPP after CC tests;
4485 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4486 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4487 * configure, config.in: Regenerate.
4489 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4490 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4491 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4492 config/i370/xm-linux.h, config/i370/xm-oe.h,
4493 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4494 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4495 config/pa/xm-linux.h, config/pa/xm-pa.h,
4496 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4497 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4498 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4499 config/we32k/xm-we32k.h: Delete.
4501 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4502 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4503 config/vax/xm-vms.h: Don't define any of:
4504 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4506 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4508 * config.gcc: Remove references to deleted files.
4509 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4510 FATAL_EXIT_CODE, which is the same between oe and mvs).
4512 2001-03-14 DJ Delorie <dj@redhat.com>
4513 Vladimir Makarov <vmakarov@redhat.com>
4515 * config/i960/i960.c (i960_function_prologue): Compute size of
4516 frame according to number of registers actually saved there.
4518 2001-03-14 Richard Henderson <rth@redhat.com>
4520 * expr.c (emit_move_insn_1): Fix else if around #endif.
4522 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4525 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4528 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4530 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4531 (override_options): Parse cmodel string.
4532 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4533 * i386.h (TARGET_OPTIONS): Add "cmodel".
4534 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4536 (ix86_cmodel_string, ix86_cmodel): Declare.
4538 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4541 * i386.h (GENERAL_REG_P): Add missing REG_P.
4543 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4545 * configure.in: Use $gcc_cv_as instead of $as.
4546 * configure: Regenerated.
4548 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4550 * cppfiles.c (stack_include_file): Only increase the include
4551 count if we actually process the file properly, as opposed
4552 to treating it as length zero. Only call read_include_file
4553 if not DO_NOT_REREAD. Handle the -H include file output
4555 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4556 (cpp_included, find_include_file): Simplify pathnames after
4557 remapping them. If remapping, don't use the remapped file
4558 name's buffer as our scratch buffer.
4559 (cpp_pop_file_buffer): Replace the multiple include macro
4560 only if it isn't yet set.
4561 (read_name_map): Simplify remapped names when reading in.
4562 (remap_filename): Move code to code path that uses it.
4563 (_cpp_simplify_pathname): Return the input pointer.
4564 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4566 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4568 * expr.c (expand_expr): Revove bogus conditional.
4570 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4572 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4574 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4576 * reg-stack.c (stack_result): Unconditionally use
4577 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4579 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4581 * expr.c (emit_move_insn_1): Split push of complex value when
4582 no suitable push instruction exist.
4584 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4585 instead of QI_REG_P.
4587 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4589 * alias.c (handled_component_p, can_address_p): New functions.
4590 (get_alias_set): Use them.
4592 2001-03-13 Jim Wilson <wilson@redhat.com>
4594 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4595 from 80 in try_locals code.
4596 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4598 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4600 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4601 gcc_AC_C_LONG_LONG): New.
4602 * configure.in: Use them. Probe the size of short, int, long,
4603 and long long/__int64 if we have them. Move all the AC_C_*
4604 checks together, except gcc_AC_C_CHAR_BIT which has to go
4605 after AC_CHECK_HEADERS(limits.h).
4606 Take hwint.h out of host_xm_file and build_xm_file.
4608 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4609 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4610 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4611 Move the HOST_WIDEST_INT setup logic here from system.h.
4612 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4614 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4615 is now handled by hwint.h.
4617 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4618 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4619 config/ia64/xm-ia64.h: Don't define any of:
4620 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4621 HOST_BITS_PER_LONGLONG.
4623 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4624 config/h8300/xm-h8300.h, config/mips/iris6.h,
4625 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4626 config/sparc/xm-sp64.h: Delete.
4627 * config.gcc: Remove references to deleted files.
4629 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4630 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4631 * config/i370/xm-linux.h: Clarify floating-point situation in
4634 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4636 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4637 (find_include_file): Decide here which part of the include
4638 chain to start the search. Complain about an empty include
4639 chain in all cases apart from an abolsute file name.
4640 (_cpp_execute_include): Don't choose the search chain here.
4641 Don't call handle_missing_include in the case of an empty
4643 (_cpp_compare_file_date): Don't choose the search chain here.
4644 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4645 here from _cpp_execute_include. Behave like #include if
4646 we're in the main file.
4648 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4650 * system.h (malloc, realloc, calloc, strdup): Only poison these
4651 tokens when IN_GCC is defined.
4653 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4655 * i386.md (abs?f expander): Support SSE case.
4656 (abd?f_if): Add new "USE"; add splitters.
4658 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4660 * cpp.texi (poison): Explain the macro expansion exception.
4662 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4664 * expr.c (store_expr): Add dont_store_target. If temp is already in
4665 target before copying to reg, don't store it into target again.
4667 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4669 * cppinternals.texi: Update for file handling.
4671 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4673 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4674 2001-02-24 which broke building the Java library.
4675 * function.c (identify_blocks): Likewise.
4676 (all_blocks): Likewise.
4677 * integrate.c (integrate_decl_tree): Likewise.
4678 * print-tree.c (print_node): Likewise.
4679 * tree.h (BLOCK_NUMBER): Likewise.
4680 (struct tree_block): Likewise.
4682 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4684 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4685 __WCHAR_TYPE__ definition.
4686 (WCHAR_TYPE_SIZE): #undef before #define.
4688 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4690 * cppfiles.c: Update comments.
4691 (destroy_include_file_node): Rename destroy_node.
4692 (find_or_create_entry): New function.
4693 (open_file, _cpp_fake_include): Use it.
4694 (handle_missing_header): New function, broken out of
4695 _cpp_execute include. Don't segfault if there is no
4696 system or quoted path.
4697 (_cpp_execute_include): Use handle_missing_header.
4699 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4701 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4702 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4704 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4706 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4707 unless anti_dependence says they are.
4708 * alias.c (objects_must_conflict): If neither has a type specified,
4711 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4712 David Billinghurst <David.Billinghurst@riotinto.com>
4714 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4716 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4718 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4719 (*_one_bit): Remove type on the match_operand in attributes.
4721 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4723 * i386.c: Commit forgotten hunk in previous patch.
4724 (regclass_map): Add extended registers.
4725 (dbx_register_map): Add missing frame register.
4727 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4729 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4731 * i386.md (x86_sahf_1): Disable for 64bit.
4732 (popsi*, pophi*): Likewise.
4733 (pushqi, pushhi): Likewise.
4734 (movdi, pushdi): Likewise.
4735 (zero extend DImode splitter): Likewise.
4736 (adddi, minusdi splitter): Likewise.
4737 (umulsidi): Likewise.
4739 (mulsidi): Disable for 64bit
4740 (lshift:DI/ashift:DI): Disable for 64bit.
4741 (loop patterns): Likewise.
4742 (call_pop, call_value_pop expanders and patterns): Likewise.
4743 (prologue_get_pc): Likewise.
4745 (fcmovDI pattern and splitter): Likewise.
4746 (movdfcc_1_rex64): New.
4748 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4750 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4751 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4752 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4753 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4754 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4755 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4756 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4757 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4758 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4759 (REGPARM_MAX): Set to 6 for x86_64.
4760 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4761 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4764 * (patterns that does use upper halves): Update constraints
4765 'q' to 'Q' and 'r' to 'R'.
4766 (cmpqi_ext_1): Disable for 64bit.
4767 (cmpqi_ext_3_insn): Likewise.
4768 (movqi_extzv_1): Likewsie.
4769 (addqi_ext_1): Liekwsie
4770 (testqi_ext_1): Liekwsie
4771 (andqi_ext_1): Liekwsie
4772 (xorqi_ext_1): Liekwsie
4773 (cmpqi_ext_1_rex64): New.
4774 (cmpqi_ext_3_insn_rex64): Likewise.
4775 (movqi_extzv_1_rex64): Likewsie.
4776 (addqi_ext_1_rex64): Liekwsie
4777 (testqi_ext_1_rex64): Liekwsie
4778 (andqi_ext_1_rex64): Liekwsie
4779 (xorqi_ext_1_rex64): Liekwsie
4781 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4783 * configure.in: Move check for unsigned enumerated bitfields
4784 to macro in aclocal.m4. Disable it for now.
4785 * configure, config.in: Regenerate.
4786 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4787 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4788 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4789 kind above its first use.
4791 * config/xm-interix.h, config/alpha/xm-alpha.h,
4792 config/i370/xm-linux.h, config/i386/xm-beos.h,
4793 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4794 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4795 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4796 Don't define ONLY_INT_FIELDS under any circumstances.
4798 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4800 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4801 config/sparc/xm-sysv4.h: Delete - now identical with some
4803 * config.gcc (hppa targets): Replace xm-pahpux.h and
4804 xm-papro.h with implicit xm-pa.h.
4805 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4808 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4810 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4811 before reload_cse_noop_set_p.
4813 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4815 * config.gcc: Where xm-host.h used to include another
4816 xm-host.h, list the nested header directly in xm_file. Remove
4817 references to deleted files. Can now use sparc/xm-sp64.h for
4820 * config/xm-linux.h, config/arm/xm-linux.h,
4821 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4822 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4823 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4824 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4825 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4828 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4829 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4830 bother to wrap #undef in #ifdef.
4831 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4832 Don't include xm-linux.h.
4833 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4835 * configure.in: Wrap regexps using [] in changequote block.
4836 Use expr : not echo | grep. Simplify regexps.
4837 * configure: Regenerate.
4839 56 xm-files remain, 22 xm-arch.
4841 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4843 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4844 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4845 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4846 (copy_object): Fix format specifier vs argument mismatch.
4848 * mips-tdump.c: Make local functions static.
4849 (rindex): Don't #undef.
4850 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4851 (fatal, fancy_abort): Delete.
4852 (read_seek): Avoid signed/unsigned compare.
4854 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4856 * combine.c (try_combine): Fix error in change to try original
4858 (gen_rtx_combine): Do same as gen_rtx for now.
4860 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4862 * configure.in: AC_SUBST xm_defines.
4863 * configure: Regenerate.
4864 * Makefile.in: Set DEFINES=$(xm_defines) when building
4867 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4869 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4870 (cpp_included, find_include_file): Update.
4871 (_cpp_compare_file_date): Make else unconditional.
4873 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4875 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4877 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4879 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4880 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4882 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4884 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4885 if it's a record type.
4887 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4889 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4890 mingw includes slightly.
4892 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4894 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4895 #undef token before poisoning it.
4897 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4899 * alpha.c (check_float_value): Use memcpy, not bcopy.
4901 * m32r.c (m32r_sched_reorder): Likewise.
4903 * vax.c (check_float_value): Likewise.
4905 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4907 * toplev.c (file_name_nondirectory): Remove.
4908 * toplev.h: Similarly.
4909 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4910 of file_name_nondirectory.
4912 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4914 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4915 * mips-tfile.c: Don't #undef rindex; not used.
4917 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4919 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4920 (dbx64_register_map): Declare.
4921 (RETURN_ADDR_RTX): Fix for 64bit.
4922 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4923 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4924 * i386.c (dbx64_register_map): New global array.
4925 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4926 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4929 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4931 * cppfiles.c (search_from): Use lbasename.
4932 * mkdeps.c (deps_add_default_target): Use lbasename.
4934 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4936 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4937 xcalloc in lieu of malloc, realloc & calloc.
4939 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4941 * gengenrtl.c (xmalloc): Likewise.
4943 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4944 really_call_* memory allocation routines.
4946 * stmt.c (check_for_full_enumeration_handling): Use
4947 really_call_calloc, not calloc.
4949 * system.h (really_call_malloc, really_call_calloc,
4950 really_call_realloc): Define.
4951 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4953 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4955 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4957 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4959 * configure: Rebuilt.
4960 * configure.in: Only use `lang_requires' for languages athat are
4963 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4965 * invoke.texi: Fix typo.
4966 * gcc.1: Regenerate.
4968 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4970 * configure.in: Prune nonexistent files from build_xm_file,
4971 xm_file, and host_xm_file lists. Warn unless they're
4973 Don't generate *config.h here.
4974 AC_SUBST all variables needed to generate *config.h.
4975 * configure: Regenerate.
4976 * mkconfig.sh: New helper script, from code removed from
4978 * Makefile.in: Zap all MALLOC variables - no longer used
4979 anywhere, and malloc.c doesn't exist.
4980 Substitute in variables needed to generate *config.h.
4981 Stop lying about the dependencies contained in CONFIG_H and
4983 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4984 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4985 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4986 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4987 $(TM_P_H), etc. as appropriate.
4989 * config.gcc: Zap references to deleted files.
4990 * ggc-none.c: Don't include rtl.h or tm_p.h.
4992 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4993 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4994 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4995 config/i386/xm-linux.h, config/i386/xm-linux.h,
4996 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4997 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4998 Don't include i386/xm-i386.h.
5000 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5001 config/i386/xm-i386.h, config/i860/xm-i860.h,
5002 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5003 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5004 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5005 Delete (empty except comments, #includes of other deleted
5006 files, and macros used nowhere).
5008 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5010 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5011 independent on TARGET_FLAGS.
5013 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5015 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5017 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5019 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5021 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5022 LAST_REX_SSE_REG): define.
5023 (enum reg_class): Add 'LEGACY_REGS'
5024 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5025 (SSE_REGNO_P): Recognize extended registers.
5026 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5027 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5028 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5029 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5030 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5031 REG_OK_FOR_STRREG_P): Remove.
5032 (HI_REGISTER_NAMES): Add extended registers.
5033 (ADDITIONAL_REGISTER_NAMES): Likewise.
5034 (QI_REGISTER_NAMES): Add 8bit extended registers.
5035 (DEBUG_REG): Support extended registers.
5036 * i386.c (regclass_map): Add extended registers.
5037 (dbx_register-map): Likewise.
5038 (svr4_dbx_register_map): Likewise.
5039 (print_reg): Support extended registers.
5040 (print_operand): Support 64bit operands.
5042 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5044 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5045 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5046 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5047 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5048 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5049 STACK_BOUNDARY): Set properly for 64bits.
5050 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5051 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5052 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5053 (MOVE_MAX): Set to 16.
5054 (MOVE_MAX_PIECES): 8 for 64bit.
5055 (Pmode): Set to SImode.
5057 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5059 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5061 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5063 * i386.h (mask_64bit): New constant.
5064 (target_64bit): New macro.
5065 (target_options): Add '64'/'32'
5066 (target_default): Define.
5067 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5068 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5069 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5071 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5073 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5075 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5077 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5078 LO_SUM unless for_alias is set.
5080 2001-03-08 Stan Shebs <shebs@apple.com>
5082 * objc/objc-act.c: Fix old typos in comments, add comments for
5084 (hash_init): Fix file name in error message.
5085 (hash_enter): Ditto.
5086 (hash_add_attr): Ditto.
5087 (continue_class): Ditto.
5089 2001-03-08 Bruce Korb <bkorb@gnu.org>
5091 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5092 wait4() can receive the signal.
5094 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5096 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5098 * fixinc/fixincl.x: Regenerate.
5100 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5102 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5104 * fixinc/fixincl.x: Regenerate.
5106 2001-03-08 Richard Henderson <rth@redhat.com>
5108 * configure.in (HAVE_AS_LEB128): New assembler check.
5109 * configure, config.in: Rebuilt.
5111 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5113 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5116 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5118 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5119 references to the MAXPATHLEN macro.
5121 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5122 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5125 * config/i386/xm-gnu.h, config/xm-gnu.h,
5126 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5127 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5128 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5129 and/or unused files.
5131 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5132 doing so in various xm-*.h files.
5134 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5136 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5138 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5140 * configure.in (enable_shared): Support per-package shared-library
5142 * configure: Rebuilt.
5144 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5146 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5147 for crnot. Set operands[5] in splitter.
5149 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5151 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5152 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5153 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5154 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5155 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5156 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5157 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5160 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5161 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5162 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5163 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5164 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5165 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5166 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5167 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5168 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5169 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5170 Delete unused and/or empty files.
5172 * config.gcc: Define USG in xm_defines as appropriate. Define
5173 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5174 macro. Remove deleted xm-* files from $xm_files variable.
5176 2001-03-07 Tom Tromey <tromey@redhat.com>
5178 * configure: Rebuilt.
5179 * configure.in: Allow config-lang.in to set `lang_requires' to list
5180 of other required languages.
5182 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5184 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5186 (output_prologue): Use xmalloc not oballoc.
5187 (output_epilog): Free a29k_first_epilogue_insn when finished.
5188 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5190 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5192 * builtins.c (expand_builtin_mathfn): Check
5193 flag_unsafe_math_optimizations, not flag_fast_math.
5194 (expand_builtin): Likewise
5195 * combine.c (combine_simplify_rtx): Likewise.
5196 (simplify_if_then_else): Likewise.
5197 * cse.c (fold_rtx): Likewise.
5198 * flags.h: Remove flag_fast_math. Add
5199 flag_unsafe_math_optimizations and flag_trapping_math.
5200 * fold-const.c (negate_expr): Check
5201 flag_unsafe_math_optimizations, not flag_fast_math.
5202 (invert_truthvalue): Likewise.
5203 (fold): Likewise. Before associating operands, check that
5204 code == MULT_EXPR, not code != MULT_EXPR.
5205 * ifcvt.c (noce_try_minmax): Check
5206 flag_unsafe_math_optimizations, not flag_fast_math.
5207 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5208 * invoke.texi: Document -funsafe-math-optimizations and
5209 -fno-trapping-math. Change documentation for -ffast-math.
5210 * jump.c (reversed_comparison_code_parts): Likewise.
5211 (rtx_equal_for_thread_p): Likewise.
5212 * optabs.c (emit_conditional_move): Likewise.
5213 * simplify-rtx.c (simplify_binary_operation): Likewise.
5214 (simplify_relational_operation): Likewise.
5215 (simplify_ternary_operation): Likewise.
5216 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5217 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5218 Add trapping-math and unsafe-math-optimizations entries to f_options.
5219 (set_fast_math_flags): New, sets flags for -ffast-math.
5220 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5221 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5222 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5224 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5225 (alpha_emit_conditional_move): Initialize local_fast_math to
5226 flag_unsafe_math_optimizations, not flat_fast_math.
5227 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5228 instead of setting flag_fast_math to 1.
5229 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5231 * config/i386/i386.c (override_options): Likewise
5232 * config/i386/i386.md: Likewise.
5233 * config/m68k/m68k.md: Likewise.
5234 * config/mips/mips.md: Likewise.
5235 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5236 (rs6000_generate_compare): Likewise.
5238 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5240 * Makefile.in: Set RANLIB to @RANLIB@.
5243 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5245 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5246 * fixinc/fixincl.x: Regenerated.
5248 2001-03-07 Richard Henderson <rth@redhat.com>
5250 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5252 2001-03-07 Richard Henderson <rth@redhat.com>
5254 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5255 of block notes and exception handling notes.
5257 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5258 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5259 (compile_file): ... here.
5261 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5263 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5265 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5266 config.h now. Include libiberty.h to handle alloca.
5268 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5270 * c-parse.in (yylexname): New function, split out of _yylex.
5271 (objc_rid_sans_at): New table.
5272 (init_reswords): Initialize it.
5273 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5274 retrieving the next token and checking it for significance as
5275 an ObjC keyword or string constant.
5277 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5278 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5280 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5283 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5285 * config/m68k/m68k.c (const_uint32_operand): Accept any
5286 const_int on a 32-bit host.
5288 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5290 * objc/objc-act.c (init_objc): Set save_lang_status,
5291 restore_lang_status, and mark_lang_status.
5293 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5295 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5297 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5299 * cppinternals.texi: Update.
5301 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5303 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5304 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5305 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5306 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5307 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5308 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5309 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5310 config/i386/xm-i386.h, config/i860/xm-i860.h,
5311 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5312 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5313 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5314 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5315 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5316 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5317 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5318 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5319 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5320 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5321 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5322 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5323 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5324 match the defaults provided in hwint.h.
5326 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5327 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5329 * config.gcc (xm_file): Don't set to files which are deleted.
5331 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5332 guard this file against these macros being undefined.
5334 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5336 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5337 and DECL_DEFER_OUTPUT on the decl we create, before calling
5338 rest_of_decl_compilation.
5340 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5342 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5344 * configure, config.in: Regenerate.
5345 * config.gcc: Remove references to deleted files.
5347 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5348 genrecog.c, rtl.c: Do not use alloca anywhere.
5350 * Makefile.in, build-make, system.h, config/x-interix,
5351 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5352 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5353 config/arc/xm-arc.h, config/arm/xm-arm.h,
5354 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5355 config/h8300/xm-h8300.h, config/i370/x-oe,
5356 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5357 config/i386/x-ncr3000, config/i386/x-sco5,
5358 config/i386/xm-dgux.h, config/i860/x-sysv4,
5359 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5360 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5361 config/m68k/x-hp320g, config/m69k/x-mot3300,
5362 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5363 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5364 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5365 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5366 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5367 config/mips/x-iris, config/mips/x-iris3,
5368 config/mips/x-sni-svr4, config/mips/x-sysv,
5369 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5370 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5371 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5372 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5373 config/pa/xm-papro.h, config/romp/xm-romp.h,
5374 config/rs6000/x-aix31, config/rs6000/x-aix41,
5375 config/rs6000/x-beos, config/rs6000/x-lynx,
5376 config/rs6000/x-mach, config/rs6000/x-rs6000,
5377 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5378 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5379 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5380 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5381 config/vax/xm-vms.h: Eradicate all references to alloca and
5384 * config/xm-alloca.h, config/clipper/x-clix,
5385 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5386 config/i860/x-sysv3, config/m88k/x-sysv3,
5387 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5388 (contained only alloca related hacks).
5390 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5393 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5395 * invoke.texi: Document __FAST_MATH__.
5397 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5399 * crtstuff.c: Restore include of auto-host.h.
5401 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5403 Put main() in a separate file, so that the language
5404 front-end can use a different main().
5407 * toplev.c: (main): Rename as toplev_main.
5408 * toplev.h: Declare toplev_main.
5409 * Makefile.in (OBJS): add toplev.o.
5410 (BACKEND): remove toplev.o, add main.o.
5412 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5414 * cppfiles.c (search_from): Special case the empty string.
5416 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5418 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5419 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5420 strlen or strcpy; we already know the length.
5421 (_cpp_compare_file_date): Similarly.
5422 * cpphash.h (struct cpp_reader): Delete done_initialising.
5423 (CPP_PREV_BUFFER): Delete.
5424 * cppinit.c (cpp_start_read): Don't set done_initialising.
5425 * cpplex.c (parse_string): Guarantee null-termination.
5426 (_cpp_equiv_toklists): Remove.
5427 * cpplib.c (glue_header_name): Null-terminate.
5428 (do_line): Don't leak memory.
5429 * cpplib.h (BT_WEAK): Delete.
5430 * cppmain.c (cb_ident): Strings are now null-terminated.
5432 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5434 * gcc.c (convert_filename): Append executable suffix
5435 if NO_AUTO_EXE_SUFFIX is not defined.
5436 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5437 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5439 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5441 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5442 * c-parse.gperf, c-gperf.h: Delete.
5443 (c-gperf.h was accidently re-added to the CVS repo in the rev
5444 1.16 commit by tromey)
5446 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5448 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5449 macro arguments when looking for the '('.
5450 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5451 2 when really parsing arguments; 1 when looking for '('.
5452 Always restore the lexer position.
5454 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5456 * longlong.h (umul_ppmm): Don't use a multiline string.
5458 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5460 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5461 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5462 t_bool in declaration because pcc can't combine volatile with typedef
5465 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5467 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5468 until when it is really needed.
5469 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5470 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5471 * i386.md (float?i?f splitter): Don't force source operand to memory
5473 (sse_movdfcc): Fix constraint.
5474 (sse_movdfcc splitter): Handle properly the second alternative.
5476 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5478 * cpplex.c (parse_string): Unconditionally pedwarn.
5480 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5483 * cppexp.c (parse_number): Update.
5484 * cpplex.c (parse_string): Pedwarn if multiline string does not
5485 result from a system header's macro.
5486 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5487 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5488 for function-like macros too.
5489 * c-lex.c (lex_number): Update.
5491 2001-03-03 Richard Henderson <rth@redhat.com>
5493 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5495 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5497 * combine.c (try_combine): If split with mode-changed scratch
5498 register didn't work, try the original mode.
5500 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5502 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5503 * config/c4x/c4x.h: Likewise.
5504 * stor-layout.c (compute_record_mode): Likewise.
5505 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5507 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5509 * configure.in: Kill tm.h. Include the files in the $tm_file
5510 list in all three of config.h, hconfig.h, tconfig.h, after the
5511 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5512 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5513 * configure: Regenerate.
5514 * Makefile.in (clean): Don't delete tm.h.
5516 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5517 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5518 those are not defined, set SEC and FEC to 0 and 1.
5519 * gcc.texi: Update to match.
5521 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5522 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5523 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5524 Include tconfig.h, not tm.h.
5526 * config/xm-lynx.h, config/xm-std32.h,
5527 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5528 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5529 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5530 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5531 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5532 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5533 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5534 config/i386/xm-i386.h, config/i860/xm-i860.h,
5535 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5536 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5537 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5538 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5539 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5540 config/pa/xm-linux.h, config/pa/xm-pa.h,
5541 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5542 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5543 config/pj/xm-pj.h, config/romp/xm-romp.h,
5544 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5545 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5546 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5547 config/v850/xm-v850.h, config/vax/xm-vax.h,
5548 config/we32k/xm-we32k.h:
5550 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5552 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5553 config/i370/xm-oe.h: Don't include tm.h. Don't define
5555 * config/vax/xm-vms.h: Don't include tm.h.
5557 * config/xm-lynx.h, config/avr/xm-avr.h,
5558 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5559 Delete; made empty by above changes.
5560 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5561 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5562 Don't include config/xm-lynx.h or tm.h.
5564 * config/xm-gnu.h: Don't include fcntl.h.
5565 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5567 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5569 2001-03-02 Richard Henderson <rth@redhat.com>
5571 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5572 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5574 2001-03-02 Richard Henderson <rth@redhat.com>
5576 * Makefile.in (OBJS): Add dwarf2asm.o.
5577 * dwarf2asm.c, dwarf2asm.h: New files.
5578 * dwarf2out.c (*): Use them.
5579 (size_of_uleb128, size_of_sleb128): Remove.
5580 (output_uleb128, output_sleb128): Remove.
5581 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5582 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5583 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5584 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5585 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5586 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5587 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5588 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5589 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5590 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5591 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5592 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5593 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5594 (dwarf2out_frame_debug): Remove unused variables.
5595 (output_loc_operands): Don't abort on 8 byte constants if
5596 host integers are wide enough.
5597 (output_symbolic_ref): Remove.
5598 (size_of_die): Don't assume 4 byte host integers.
5599 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5601 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5602 something stupid with HOST_WIDE_INT to long truncation.
5603 [CONST_DOUBLE]: Likewise.
5605 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5606 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5607 * config/arm/unknown-elf.h: Likewise.
5608 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5609 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5610 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5611 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5612 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5613 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5614 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5615 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5616 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5617 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5618 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5619 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5621 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5623 * cselib.c (hash_rtx): Cast enums to unsigned int.
5625 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5627 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5628 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5630 * c-format.c (C_STD_VER): Cast to int for comparisons.
5631 (check_function_format): Cast various enums to int for &.
5632 (maybe_read_dollar_number): Likewise.
5633 (check_format_info): Likewise.
5634 (check_format_info_main): Likewise.
5635 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5636 (safe_from_p): Likewise.
5637 * varasm.c (const_hash): Cast enum to int for %.
5638 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5639 pcc enum problems with < and ++ operators.
5640 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5641 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5642 (regclass_init): Change enum class to int to iterate over reg_classes.
5643 * genrecog.c (merge_trees): Cast enums for comparison.
5644 * rtl.h (GET_CODE): Cast to enum rtx_code.
5645 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5646 (GET_MODE): Cast to enum machine_mode.
5647 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5648 (GET_NOTE_INSN_NAME): Cast enum to int.
5649 * tree.h (TREE_CODE): Cast to enum tree_code.
5650 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5651 * timevar.c (timevar_print): Change loop variable id from enum to
5653 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5654 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5655 * toplev.c (compile_file): Cast enum DFI to int.
5656 (decode_d_option): Likewise.
5658 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5660 * cppinit.c (append_include_chain): Mark "after" include file name list
5661 as a system directory.
5662 * cpp.texi: Document new behavior.
5664 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5666 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5668 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5670 * cppfiles.c (struct include_file): Update.
5671 (stack_include_file): Use search_from.
5672 (cpp_included, find_include_file): Update.
5673 (cpp_execute_include): Update. ptr->name may not be
5674 null terminated. Use the new search_from member variable
5676 (_cpp_compare_file_date): Similarly.
5677 (search_from): New function, similiar to actual_directory.
5678 (actual_directory): Delete.
5679 (remap_filename): Update. loc->name may not be null terminated.
5680 (struct file_name_list): Rename search_path. Update.
5681 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5682 search_from and dir.
5683 (struct cpp_reader): Remove actual_dirs.
5684 * cppinit.c (struct cpp_pending): Update for renamed objects.
5685 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5686 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5687 * cpplib.h (struct cpp_options): Similarly.
5689 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5691 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5692 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5693 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5694 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5695 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5696 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5697 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5698 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5699 config/i370/xm-oe.h, config/i386/xm-aix.h,
5700 config/i386/xm-i386.h, config/i386/xm-osf.h,
5701 config/i860/xm-i860.h, config/i960/xm-i960.h,
5702 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5703 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5704 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5705 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5706 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5707 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5708 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5709 config/pj/xm-pj.h, config/romp/xm-romp.h,
5710 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5711 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5712 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5713 config/v850/xm-v850.h, config/vax/xm-vax.h,
5714 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5715 Do not define TRUE or FALSE.
5717 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5718 empty by above change.
5719 * config.gcc: Remove references to these files.
5721 * configure.in: Detect stdbool.h.
5722 * configure, config.in: Regenerate.
5723 * system.h: Include stddef.h here if available.
5724 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5725 Then set up a sensible boolean type at the very end.
5727 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5728 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5730 * hash.h: Delete 'boolean' typedef and related #undefs.
5732 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5733 all uses of 'boolean' with 'bool'.
5735 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5737 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5738 * cppexp.c (lex): Cast enums for comparison.
5739 * cppinit.c (parse_option): Cast enum for comparison.
5740 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5741 (cpp_output_token): Likewise.
5742 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5743 (cpp_avoid_paste): Cast enums for minus and comparison.
5745 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5747 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5748 field to all array elements.
5750 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5752 * cpphash.h (struct cpp_reader): Add print_version field.
5753 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5754 just set print_version and other flags as appropriate.
5755 (cpp_post_options): Print version here if print_version is set.
5757 * toplev.c (exit_after_options): New flag.
5758 (independent_decode_option): Don't exit here; just set
5760 (main): Exit after calling lang_hooks.post_options if
5761 exit_after_options is true.
5763 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5764 (merge_include_chains): Adjust comment to match code.
5766 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5768 * stringpool.c (set_identifier): New function.
5769 * tree.h: Prototype it.
5771 * c-parse.in: Kill D_YES. If compiled for objc, call
5772 save_and_forget_protocol_qualifiers from init_reswords.
5773 * objc/objc-act.c (remember_protocol_qualifiers,
5774 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5775 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5777 (save_and_forget_protocol_qualifiers): New function.
5778 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5780 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5782 * c-semantics.c (prune_unused_decls): Return error_mark_node
5783 instead of (tree) 1 to stop traversing the tree chain.
5785 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5787 Fix a problem introduced by Kenner's Feb 18 change.
5788 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5789 flag_cse_skip_blocks only temporarily, not for ever.
5791 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5793 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5794 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5796 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5797 before determining its register class.
5799 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5801 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5802 from reg 4 if current_function_calls_setjmp.
5803 (gen_nop_type): New function.
5804 (ia64_emit_nops): New function.
5805 (ia64_reorg): Call it.
5806 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5808 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5809 code not to try to optimize adds with anything but a REG destination.
5811 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5812 (INSN_PRIORITY_KNOWN): New accessor macro.
5813 * haifa-sched.c (priority): Use it instead of testing priority against
5816 2001-02-28 DJ Delorie <dj@redhat.com>
5818 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5819 since that doesn't work the way gcc wants on a generic m68k.
5821 2001-02-28 Richard Henderson <rth@redhat.com>
5823 * caller-save.c (save_call_clobbered_regs): Fix typo in
5824 comparison last change.
5826 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5828 * i386.c (pentium4_cost): New.
5829 (m_PENT4): New macro.
5830 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5831 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5832 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5833 x86_memory_mismatch_stall): Add Pentium4
5834 (x86_use_q_reg, x86_use_any_reg): Kill.
5835 (override_options): Add pentium4.
5836 (incdec_operand): Return 0 for pentium4.
5837 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5838 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5839 (TARGET_PENTIUM4): Define.
5840 (enum processor_type): Add PROCESSOR_PENTIUM4.
5841 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5842 * i386.md (attribute "cpu"): Add pentium4.
5843 * invoke.texi (march): Add pentium4.
5845 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5847 * i386.md (sse_mov?fcc*): New patterns and splitters.
5848 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5849 the SSE based conditional moves.
5851 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5853 * i386.md (attribute mode): Add "TI".
5854 (movsf_1): Add pxor support; remove constant propagation splitter.
5855 (movdf_integer): Likewise.
5856 (movdf_nointeger): Likewise.
5857 (movxf constant prop splitter): Handle all modes; update for SSE.
5858 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5859 * i386.c (standard_80387_constant_p): Rewrite.
5860 (standard_sse_constant_p): New.
5861 * i386-protos.h (standard_sse_constant_p): New.
5863 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5865 * i386.md (sse_setccsf, sse_setccdf): New.
5866 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5868 * i386.c (sse_comparison_operator): Accept the supported unordered
5869 comparses; be ready for fast_math.
5870 (print_operand): Support 'D'.
5872 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5874 * jump.c (reversed_comparison_code): Kill.
5876 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5878 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5881 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5883 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5884 add missing '%' in constraints.
5886 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5888 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5889 for HOST_BITS_PER_WIDE_INT == 32 too.
5891 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5893 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5895 (insert_save, insert_restore): New parameter save_mode.
5896 (init_caller_save): Update initialization of reg_save_code
5897 and reg_restore_code.
5898 (save_call_clobbered_regs): Compute save_modes and update calls to
5899 reg_save_code and reg_restore_code.
5900 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5901 of spill; update use of reg_restore_code.
5902 (insert_save): Likewise.
5903 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5904 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5905 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5907 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5909 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5910 noce_try_store_flag_inc, noce_try_store_flag_mask,
5911 noce_try_cmove_arith):
5912 Use reversed_comparison_code instead of reverse_comparison and
5913 can_reverse_comparison_p.
5915 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5917 * jump.c (reversed_comparison_code_parts): Allow reversal of
5918 unordered compares in -ffast-math mode; reverse ordered compares
5919 for FP even w/o -ffast-math.
5921 2001-02-27 Richard Henderson <rth@redhat.com>
5923 * print-rtl.c (print_rtx) [i]: Don't print field five on
5924 NOTEs other than NOTE_INSN_DELETED_LABEL.
5926 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5928 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5929 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5931 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5933 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5934 even if walk_subtrees is 0.
5935 * c-semantics.c (prune_unused_decls): Return a non-null value to
5936 stop traversing the tree chain.
5938 2001-02-27 DJ Delorie <dj@redhat.com>
5940 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5941 register, *then* define it as the new CFA.
5943 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5945 * pa.c (override_options): Promote -fpic to -fPIC.
5946 (legitimize_pic_address): Simplify due to removal of
5947 small PIC as a code generation option.
5948 (secondary_reload_class): Similarly.
5949 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5950 (PRINT_OPERAND_ADDRESS): Similarly.
5951 * pa.md (various patterns): Similarly.
5952 (small pic lo_sum pattern): Remove.
5954 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5957 * md.texi (min, max): Document
5959 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5961 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5962 TARGET_PARTIAL_REG_DEPENDENCY.
5963 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5965 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5967 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5969 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5971 * mips.c (mips_make_temp_file): Fix thinko in last change.
5973 2001-02-26 Jason Eckhardt <jle@redhat.com>
5975 * combine.c (known_cond): Do not reverse the condition when
5976 SMAX/UMAX is being considered and the condition is for equality
5979 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5981 2001-02-26 Philip Blundell <philb@gnu.org>
5983 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5985 * config/arm/linux-elf.h: Remove historical relics related to
5986 above configurations.
5987 * config/arm/linux-oldld.h: Delete.
5988 * config/arm/linux-elf26.h: Delete.
5990 2001-02-26 Jason Merrill <jason@redhat.com>
5992 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5994 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5995 recognize a tentative definition. Lose obsolete code.
5997 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5998 variables unless necessary, either.
6000 2001-02-25 Richard Henderson <rth@redhat.com>
6002 * ifcvt.c (struct noce_if_info): Add test_bb.
6003 (noce_get_alt_condition): New.
6004 (noce_try_minmax, noce_try_abs): New.
6005 (noce_operand_ok): New.
6006 (noce_process_if_block): Use them.
6007 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6009 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6011 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6014 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6016 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6017 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6019 (mips_asm_file_end): Free temp_filename here.
6021 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6023 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6024 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6026 * config/i386/i386.md (movstrsi): Handle FAIL case.
6028 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6030 * cppinit.c (builtin_array): Update.
6031 (init_builtins): Flag builtins to warn if redefined or
6032 undefined. Define __GXX_WEAK as a normal macro.
6033 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6034 * cpplib.h (NODE_WARN): New flag.
6035 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6036 Handle __STDC__ as a builtin only on Solaris.
6037 (warn_of_redefinition): Renamed from check_macro_definition.
6038 Reverse sense of test. Always warn if NODE_WARN.
6039 (_cpp_create_definition): Use warn_of_redefinition. Flag
6040 any macro beginning with "__STDC_" to require a mandatory
6041 warning if redefined or undefined.
6043 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6045 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6046 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6047 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6048 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6049 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6050 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6051 Don't define any of:
6052 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6053 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6054 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6055 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6056 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6058 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6059 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6062 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6063 Delete now-empty file.
6065 * alpha/vms.h: Define NEED_ATEXIT here...
6066 * alpha/xm-vms.h: ...not here.
6068 * i386/cygwin.h: Don't define PARAMS.
6069 * mips/mips.c: Don't prototype mktemp. Don't define
6070 P_tmpdir. Use make_temp_file to create temporary files.
6071 Don't be clever and delete temporary files early.
6072 * config.gcc: Drop references to deleted files. Don't define
6074 * gcc.texi: Don't mention USE_PROTOTYPES.
6076 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6078 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6079 (ix86_set_move_mem_attrs_1): Likewise.
6080 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6081 * config/i386/i386.md (movstrsi): Call it.
6083 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6085 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6086 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6087 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6088 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6090 (i750a-*-*): Error here if hosting on i750a.
6091 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6093 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6094 Remove (empty modulo comments).
6096 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6097 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6098 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6099 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6100 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6101 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6103 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6104 Remove reference to winnt.h in comment.
6105 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6107 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6109 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6110 used to set another biv.
6112 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6114 * tree.h (BLOCK_DEAD): New macro.
6115 (struct tree_block): New flag, dead_flag.
6116 * print-tree.c (print_node, case 'b'): Print missing fields.
6117 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6118 * function.c (identify_blocks): Enable test for misplaced notes.
6119 (all_blocks): Skip BLOCK_DEAD blocks.
6120 * integrate.c (integrate_decl_tree): Likewise.
6122 * errors.c (internal_error, trim_filename): New functions.
6123 (fancy_abort): Call internal_error.
6124 * errors.h (internal_error, trim_filename): New declarations.
6126 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6128 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6130 (EXTRA_CONSTRAINT): Formatting changes.
6132 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6134 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6136 2001-02-23 Per Bothner <per@bothner.com>
6138 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6139 so they can be called from java/jvspec.c.
6140 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6142 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6144 * i386.c (ix86_frame): New structure.
6145 (ix86_compute_frame_size): Kill.
6146 (ix86_compute_frame_layout): New.
6147 (ix86_save_reg): New.
6148 (ix86_can_use_return_insn_p): Use frame layout stuff.
6149 (ix86_expand_prologue): Likewise.
6150 (ix86_expand_epilogue): Likewise.
6151 (ix86_initial_elimination_offset): Likewise.
6152 (ix86_nsaved_regs): Use ix86_save_reg.
6153 (ix86_emit_save_regs): Likewise.
6155 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6157 * flow.c (find_sub_basic_blocks): New function.
6158 (split_block): Be ready for basic block introduced by CODE_LABEL.
6159 (commit_one_edge_insertion): Call find_sub_basic_block.
6161 * flow.c (make_edges): Add edge from entry for blocks starting with
6162 label having ALTERNATE_NAME
6164 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6166 * function.c (epilogue_done): Be ready for first basic block not
6167 containing PROLOGUE_END note.
6168 (reposition_prologue_and_epilogue_notes): Avoid placing
6169 PROLOGUE_END note between BASIC_BLOCK.
6171 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6173 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6175 2001-02-21 DJ Delorie <dj@redhat.com>
6177 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6178 check for current_function_has_nonlocal_goto from 1999-11-12.
6180 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6182 * diagnostic.c (trim_filename): No longer static.
6183 * toplev.h (trim_filename): Declare.
6184 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6185 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6186 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6187 (rtvec_check_failed_bounds): Likewise.
6188 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6190 * convert.c (convert_to_integer): Don't do unsigned unless result or
6191 both inputs are unsigned.
6193 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6196 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6198 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6200 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6202 * Makefile.in (resource.o): Add params.h dependence.
6203 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6204 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6205 * resource.c: Add dependence on params.h.
6206 (current_live_regs): Fix explanatory comment.
6207 (find_basic_block): Add new parameter to permit limiting search
6209 (mark_target_live_regs): Add new argument to find_basic_block call.
6210 (incr_ticks_for_insn): Likewise.
6212 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6214 * diagnostic.c (output_to_stream): Rename to
6215 output_buffer_to_stream. Loses the stream parameter.
6216 (init_output_buffer): Set diagnosic_buffer's stream.
6217 (flush_diagnostic_buffer): Adjust.
6218 (default_print_error_function): Likewise.
6219 (finish_diagnostic): Likewise.
6220 (verbatim): Likewise.
6222 * diagnostic.h (struct output_buffer): Add `stream' field.
6223 (output_buffer_attached_stream): New macro.
6225 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6227 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6228 check if either operand is divisible by C.
6229 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6230 If type is signed, consider negative numbers as well.
6232 2001-02-22 Richard Henderson <rth@redhat.com>
6234 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6235 reach .text instead of gp-relative relocs.
6236 * config/ia64/crtend.asm (.init): Likewise.
6238 2001-02-22 Andreas Jaeger <aj@suse.de>
6240 * extend.texi (C++ Attributes): Fix typo.
6242 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6244 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6245 functions, drop current_function_args_info.words test.
6246 (ia64_compute_frame_size): Mark syscall_linkage functions as
6247 using eight input registers.
6249 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6250 Bruce Korb <bkorb@gnu.org>
6252 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6253 * fixinc/README: Document how to convert sed substitutions
6254 to format style c_fix-es.
6255 * fixinc/fixincl.x: regen
6257 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6259 * gcc.c: Add comment explaining how to add a command-line option.
6260 Add title to specs language comment.
6262 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6264 * gcc.c (cc1_options): Add "-param".
6265 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6266 (option_map): Likewise.
6267 * toplev.c (display_help): Add entry for "--param".
6268 (independent_decode_option): Fix typographical error.
6270 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6271 Bernd Schmidt <bernds@redhat.com>
6272 Jan Hubicka <jh@suse.cz>
6274 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6275 (function_arg): Likewise.
6277 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6279 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6281 2001-02-21 Kazu Hirata <kazu@hxi.com>
6283 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6287 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6289 * flow.c (init_propagate_block_info): Canon address and use single_set
6290 for killing dead memory stores.
6292 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6294 * Makefile.in (reorg.o): Add params.h dependence.
6295 * params.def: Fix typographical error in comment.
6296 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6297 * params.h: Modify introductory comment.
6298 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6299 * reorg.c: Add dependence on params.h.
6300 (redundant_insn): Add parameterized throttle for search.
6301 (fill_simple_delay_slots): Add a comment explaining a variable.
6302 Move conditional out of loop, simplifying code.
6303 (fill_eager_delay_slots): Fix typographical error in comment.
6305 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6307 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6309 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6310 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6312 2001-02-21 Jason Merrill <jason@redhat.com>
6314 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6315 (struct tree_decl): Add uninlinable bitfield.
6316 * c-decl.c (duplicate_decls): Set it.
6317 * integrate.c (function_cannot_inline_p): Check it.
6319 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6320 DW_AT_MIPS_linkage_name to abstract methods.
6321 (dwarf2out_abstract_function): Emit class context before calling
6322 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6323 (gen_subprogram_die): Remove obsolete code.
6324 (gen_member_die): Don't include clones in the member list.
6325 (gen_decl_die): Emit abstract info for clone origin.
6326 * dwarfout.c (output_type): Don't include clones in the member list.
6327 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6328 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6329 DECL_ABSTRACT on a function that already has it set.
6331 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6332 (get_subprogram_die): Pass it in.
6334 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6336 * flow.c (mark_set_1): Make not_dead unsigned long. For
6337 non-pseudos, use it as a bitmask of the hard regs that
6340 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6342 * cppfiles.c: Update comments.
6343 (_cpp_read_file): Don't check for NULL filenames any more.
6344 * cppinit.c (cpp_start_read): Don't do canonicalization of
6345 in_fname and out_fname. Use the passed file name exclusively.
6346 (_cpp_handle_options): Don't treat "-" as a command line option,
6347 but as a normal filename.
6348 (_cpp_post_options): Canonicalize in_fname and out_fname.
6349 * cppmain.c (printer_init): Don't check out_fname for NULL.
6350 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6351 (init_c_lex): Update, and use "" to represent stdin to CPP.
6354 2001-02-20 Will Cohen <wcohen@redhat.com>
6356 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6357 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6358 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6361 2001-02-20 Stan Shebs <shebs@apple.com>
6363 * config/rs6000/rs6000.c (output_cbranch): Output branches
6364 on separate lines instead of using ';' to separate.
6366 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6368 * cppinit.c (set_lang): Move builtin handling to...
6369 (init_builtins): ...here.
6370 (_cpp_create_reader): Move call to set_lang.
6372 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6374 * stmt.c (expand_return): If an attempt is made to return the
6375 error_mar_node, treat the return like a return without a value.
6377 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6379 * sibcall.c (skip_copy_to_return_value): Call
6380 identify_call_return_value here, and return orig_insn if it
6381 returns zero. Hardret and softret arguments now unnecessary.
6382 (call_ends_block_p): Don't call identify_call_return_value here.
6384 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6386 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6387 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6389 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6391 * pa.c (move_operand): Accept code to load the address of a
6392 symbol out of the DLT as a valid move operand.
6393 (print_operand, case 'A'): New to handle generating a DLT
6394 reference for a LO_SUM expression.
6395 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6396 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6398 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6400 * README, cpp.texi, gcc.texi, version.c: Update version number to
6402 * cpp.1, gcov.1, gcc.1: Regenerate.
6404 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6406 * cppfiles.c (stack_include_file): Generate dependencies
6407 here, and manage include_count here too.
6408 (PRINT_THIS_DEP): Delete.
6409 (_cpp_execute_include): Do not generate dependencies here,
6410 apart from the case of a missing header. Do not manage
6412 (_cpp_read_file): Leave dependency generation to
6415 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6417 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6418 target_cpu_default. Remove dead assignment to
6421 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6423 * regclass.c (contains_reg_of_mode): Make global.
6424 (init_reg_sets): Remove contains_reg_of_mode; take into account
6425 CLASS_MAX_NREGS when looking for the proper mode.
6426 (dump_regclass): Dump only classes considered for the pseudo.
6427 (regclass): Use contains_reg_of_mode.
6429 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6431 * gcc.c (do_spec_1): 'n' for printing notices.
6432 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6434 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6436 * reg-stack.c (next_flags_user): Use current_block->end
6437 (swap_rtx_condition): Look for next user if flags don't die;
6438 give up on CALL_INSNs; use current_block->end.
6440 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6442 * sibcall.c (call_ends_block_p): New function.
6443 (optimize_sibling_and_tail_recursive_call): Use it.
6445 2001-02-18 Kazu Hirata <kazu@hxi.com>
6447 * config/h8300/h8300.md: Update copyright.
6448 (andsi3): Do not output an extra newline character.
6450 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6452 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6453 FNDECL may be unused.
6455 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6456 follow jumps after first run.
6457 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6458 it doesn't change any jumps.
6460 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6462 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6463 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6464 (mostlyclean): Corresponding changes.
6465 * rtlanal.c (hard-reg-set.h): Include.
6466 (rtx_unstable_p): Do not treat the argument pointer specially
6467 if it is not a fixed register.
6468 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6470 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6472 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6473 against last real insn in basic block.
6474 Rework to avoid gotos.
6476 * Makefile.in (gcse.o): Now includes ggc.h.
6477 * gcse.c: Include ggc.h.
6478 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6479 (try_replace_reg): Remove warning of uninitialize variable.
6480 (process_insert_insn): Call invalid_insn_p to validate insn.
6481 * recog.c (insn_invalid_p): Now global.
6482 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6483 * recog.h (insn_invalid_p): New declaration.
6485 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6487 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6488 assignments from FP constants since 'Y' output code can't handle it.
6489 (eligible_for_sibcall_delay): Likewise.
6491 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6492 Call fancy_abort directly, passing args.
6493 (print_rtl_and_abort): Now a macro, like fancy_abort.
6495 * final.c (output_operand_lossage): Use internal_error, not error.
6497 2001-02-18 Shane Nay <shane@agendacomputing.com>
6499 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6500 structure shift insns.
6502 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6504 * invoke.texi (-fsquangle): Remove documentation.
6505 (-fname-mangling-version): Likewise.
6507 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6509 * optabs.c (expand_abs): Remove reference to
6510 HAVE_contitional_arithmetic.
6511 * combine.c (simplify_set): Likewise.
6513 2001-02-18 Richard Henderson <rth@redhat.com>
6515 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6518 2001-02-18 Richard Henderson <rth@redhat.com>
6520 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6522 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6524 * reload1.c (reload_cse_simplify_set): Fix typo.
6526 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6528 * diagnostic.c (_fatal_insn): Decrement errorcount.
6530 * invoke.texi (-I): Add note avoiding use for system header files.
6532 * rtl.h (add_clobbers): Remove duplicate declaration.
6533 * recog.h (added_clobbers_hard_reg_p): New declaration.
6534 * genemit.c (struct clobber_pat): New field has_hard_reg.
6535 (gen_insn): Record if added clobbers clobber hard reg.
6536 (gen_split): Avoid unused warning if number of operands is 0.
6537 (output_added_clobbers_hard_reg_p): New function.
6540 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6542 * pa.c (hppa_expand_prologue): Simplify code storing return
6543 pointer. For large (>=8k) frames with a post_store, adjust stack
6544 pointer by 8k-64 first rather than by 64. When testing with
6545 VAL_14_BITS_P, always use the actual value rather than the value
6546 negated. Add blockage to prevent scheduling of spills before
6547 stack frame has been created.
6548 (hppa_expand_epilogue): Simplify code loading return pointer.
6549 Allow a slightly larger range for merge_sp_adjust_with_load case.
6550 When testing with VAL_14_BITS_P, always use the actual value.
6552 * pa.c (pa_adjust_insn_length): Check that block move
6553 pattern is a set before looking at operands.
6555 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6557 * fold-const.c (fold_binary_op_with_conditional_arg): New
6558 function, split out from ...
6560 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6561 conditional arms that throw exceptions.
6563 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6566 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6568 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6569 define HAVE_DECL_* to 1 to mask potential backup declarations.
6570 * configure: Regenerated.
6572 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6574 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6576 2001-02-17 Richard Henderson <rth@redhat.com>
6578 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6579 when replacing a memory load with a register.
6581 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6582 Jan Hubicka <jh@suse.cz>
6584 * recog.c (validate_replace_src_1): New.
6585 (validate_replace_src_data): Likewise.
6586 (validate_replace_src): Use note_uses.
6587 * rtl.h (note_uses): Declare.
6588 * rtlanal.c (note_uses): New.
6590 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6592 * reg-stack.c (stack_def): Make field reg unsigned.
6593 (remove_regno_note): Unsignetize parameter.
6595 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6597 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6598 shladd_operand() call.
6600 2001-02-16 Bruce Korb <bkorb@gnu.org>
6601 Rodney Brown <RodneyBrown@mynd.com>
6603 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6604 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6605 machine restrictions
6606 * fixinc/fixincl.x: regen
6608 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6610 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6612 (hash_scan_insn): Clean up calls to hash_scan_set.
6613 (compute_kill_rd): REGNO now unsigned.
6614 (try_replace_reg): Rework to use simplify_replace_rtx.
6615 (cprop_jump, cprop_cc0_jump): Likewise.
6616 (cprop_insn): Call find_reg_equal_equiv_note.
6617 Reflect changes to cprop_jump and cprop_cc0_jump.
6619 * recog.c (validate_replace_src): Replace in operands of
6620 ZERO_EXTRACT in SET_DEST.
6622 * cse.c (new_label_ref): New variable.
6623 (insert): Set it instead of recorded_label_ref.
6624 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6625 CODE_LABEL for this function, and not already in REG_LABEL note.
6627 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6629 * resource.c (mark_referenced_resources): Fix typo in introductory
6631 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6634 2001-02-16 Jason Merrill <jason@redhat.com>
6636 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6638 (gen_subprogram_die): Don't abort on seeing a second definition if
6639 the previous one was abstract. Don't replace an abstract instance
6640 in the lookup table.
6642 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6643 gen_abstract_function.
6644 * dwarf2out.h: Declare it.
6645 * toplev.c (note_outlining_of_inline_function): New fn.
6646 * toplev.h: Declare it.
6647 * integrate.c (output_inline_function): Call it.
6648 * c-decl.c (duplicate_decls): Call it when redefining an extern
6649 inline. Don't inline the new defn.
6651 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6653 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6655 * .gdbinit: Rename to gdbinit.in.
6656 * gdbinit.in: New file,
6657 * configure.in: Generate .gdbinit from gdbinit.in.
6658 * configure: Regenerated.
6659 * Makefile.in (distclean): Always remove .gdbinit.
6661 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6663 * objc/objc-act.c (start_class): Register implemented_classes with
6666 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6668 * cppfiles.c (_cpp_make_system_header): Generate a file
6671 2001-02-15 Jim Meyering <meyering@lucent.com>
6673 * Makefile.in (install-common): Don't depend on installdirs here.
6674 Instead, make each of the lang.install-common targets (e.g.,
6675 c++.install-common in cp/Make-lang.in) depend on it.
6676 (install-driver): Depend on installdirs.
6678 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6680 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6682 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6685 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6687 * invoke.texi (--param): Document.
6689 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6691 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6693 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6695 * i386.md (extendsfdf2_2): Fix constraints.
6697 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6699 * i386.md (fop_df_3 splitter): Fix operand number.
6701 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6703 * invoke.texi (-mreg-alloc): Nuke.
6704 * i386.c (ix86_reg_alloc_order, regs_allocated,
6705 order_regs_for_local_alloc): Nuke.
6706 (override_options): Kill reg_alloc code.
6707 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6708 (REG_ALLOC_ORDER): SSE goes before I387.
6709 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6710 (ix86_reg_alloc_order): Likewise.
6711 * i386-protos.h (ix86_reg_alloc_order): Kill.
6713 2001-02-14 Richard Henderson <rth@redhat.com>
6715 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6717 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6719 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6721 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6723 * i386-protos.h (ix86_memory_move_cost): Move offline.
6724 * i386.c (ix86_register_move_cost): Compute properly cost of
6725 SSE, MMX and i387 instructions.
6726 (*_cost): Add costs of SSE/MMX moves.
6727 (ix86_memory_move_cost): Move offline from ....; Likewise.
6728 * i386.h (MEMORY_MOVE_COST): .... here;
6729 (struct processor costs): Add new fields to represent costs
6732 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6734 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6735 move_cost together with Matt Kraai's fix.
6737 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6739 * Makefile.in (OBJS): Add params.o.
6741 2001-02-14 Richard Henderson <rth@redhat.com>
6742 DJ Delorie <dj@redhat.com>
6744 * jump.c (jump_optimize_1): When we delete a conditional jump
6745 preceeding a non-conditional jump to effectively the same place,
6746 make sure that the combined jump skips any clobber insns between
6749 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6751 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6753 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6755 * Makefile.in (toplev.o): Depend on params.h.
6756 (intergate.o): Likewise.
6757 (params.o): New target.
6758 * flags.h (inline_max_insns): Remove.
6759 * integrate.c: Include params.h.
6760 Use MAX_INLINE_INSNS instead of inline_max_insns.
6761 * params.c: New file.
6762 * params.h: Likewise.
6763 * params.def: Likewise.
6764 * toplev.c: Include params.h.
6765 (lang_independent_params): New variable.
6766 (decode_f_option): Use the param machinery instead of setting
6768 (independent_decode_option): Handle "--param name=value".
6769 (main): Register language-independent parameters.
6771 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6773 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6775 2001-02-14 Richard Henderson <rth@redhat.com>
6777 * regclass.c (init_reg_sets_1): Revert last two changes.
6779 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6781 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6782 (variable_size): Call put_pending_size.
6783 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6784 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6785 sizes list, put newly created SAVE_EXPR there as well.
6787 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6789 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6790 (errata_find_address_regs): load_group has only 2 entries.
6791 (errata_emit_nops): Likewise. shladd is not problematic.
6792 Clear last_group if nop was emitted.
6793 (fixup_errata): load_group has only 2 entries.
6796 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6798 * c-lex.c (lex_number): Only warn traditionally for U suffix
6799 outside system macros.
6800 * cppexp.c (parse_number): Similarly.
6801 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6802 * cppmacro.c (struct cpp_macro): New member node.
6803 (parse_args): Only warn about missing rest args if not
6805 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6806 (cpp_sys_objmacro_p): New.
6807 (_cpp_create_definition): Store the node with the macro defn.
6808 Remember if the macro is defined in a system header.
6810 2001-02-13 DJ Delorie <dj@redhat.com>
6812 * configure.in (check_languages): determine languages to check
6813 * Makefile.in (check-c++): alias for check-g++
6814 (check-f77): alias for check-g77
6815 (CHECK_TARGETS): depend on configured languages
6817 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6819 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6820 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6821 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6822 (sqrtextendsfdf2): Disable for SSE2.
6824 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6826 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6827 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6828 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6829 (sqrtextendsfdf2): Disable for SSE2.
6831 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6833 * i386.md (movsfcc_1): Support integer cmove instruction.
6834 (movdfcc_1): Likewise; new splitter.
6836 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6838 * i386.c (output_fp_compare): Support SSE.
6839 (prepare_fp_compare_args): SSE comparisons always support memory.
6840 * i386.h (TARGET_CMOVE): SSE imply cmove.
6841 * i386.md (cmp?f2): Enable for SSE too.
6842 (cmpfp_i*): Support SSE.
6844 (cmpfp_i_sse_only): New.
6845 (s*, b* fp expanters): Enable for SSE too.
6846 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6849 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6851 * regclass.c (init_reg_sets_1): Silence warning.
6853 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6855 * i386.md (sqrt?f2): Change to expander.
6856 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6858 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6860 * rtlanal.c (find_reg_equal_equiv_note): New function.
6861 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6862 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6863 * rtl.h: Add declarations for above functions.
6865 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6867 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6869 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6870 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6871 * flow.c (mark_regs_live_at_end): Likewise.
6872 (calculate_global_regs_live): Likewise.
6873 * gcse.c (compute_hash_table): Likewise.
6874 (compute_kill_rd): Likewise.
6875 * resource.c (mark_target_live_regs): Likewise.
6876 * rtl.h (INVALID_REGNUM): New macro.
6878 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6880 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6882 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6884 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6887 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6889 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6891 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6892 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6893 (fop_sf_1_sse, fop_df_1_sse): New patterns
6894 (fop_*): Disable float_extend and float patterns for SSE compilation.
6895 * i386.c (output_387_binary_op): Support SSE.
6897 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6899 * i386.md (dummy_extendsfdf2): Support SSE2
6900 (extendsfdf2): Enable if 80387 or SSE2.
6901 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6902 and no MIX_I387_SSE2
6903 (extendsfdf2_1_sse_only): New pattern.
6904 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6906 (truncdfsf2_1): Support SSE.
6907 (truncdfsf2_2): Support SSE.
6908 (truncdfsf2_2_1_sse): New pattern.
6909 (fixtruncsfsi2): Always use SSE if available.
6910 (fix_truncsfsi_sse): New pattern.
6911 (fix_truncdfsi_sse): New pattern.
6912 (floatsis?f2): Support SSE.
6913 (floatsidf2_i387): New pattern.
6914 (floatsidf2_sse): Likewise.
6916 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6918 * configure.in: Use "have_gnat" variable, not "gnat".
6919 * configure: Regenerated.
6921 * config/sparc/sparc.c (function_value): Treat all non-record
6922 aggregate types like used to treat UNION_TYPE.
6924 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6926 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6927 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6929 (MASK_MIX_SSE_I387): New.
6930 (TARGET_SSE): SSE2 imply SSE.
6931 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6932 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6933 (enum reg_class): Add new classes.
6934 (REG_CLASS_NAMES): Likewise.
6935 (REG_CLASS_CONTENTS): Likewise.
6936 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6937 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6938 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6939 (CLASS_MAX_NREGS): Use new macros.
6940 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6941 * i386.md (pushsf, movsf): Support SSE.
6942 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6943 splitters to use ANY_FP_REGNO_P.
6944 (movdf_nointeger, movdf_integer): Likewise.
6946 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6948 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6949 (try_combine): Use it.
6951 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6953 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6954 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6955 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6956 (REGISTER_MOVE_COST): Likewise.
6957 * i386-protos.h (ix86_secondary_memory_needed,
6958 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6959 * i386.c (ix86_secondary_memory_needed,
6960 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6962 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6964 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6965 (HARD_REGNO_MODE_OK): Move offline to ....
6966 * i386.c (ix86_hard_regno_mode_ok) ... here;
6967 refuse all incorrect modes.
6968 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6970 2001-02-13 Richard Henderson <rth@redhat.com>
6972 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6973 entire operator; replicate that and match_dup the operands.
6974 (cmp_ccx_arith_op_set): Likewise.
6975 (cmp_cc_arith_op_not_set): Likewise.
6976 (cmp_ccx_arith_op_not_set): Likewise.
6978 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6980 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6982 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6984 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6985 (TARGET_NO_BITFIELD_WORD): New macro.
6986 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6987 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6989 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6991 * cselib.c: New file, from simplify-rtx.c.
6992 * simplify-rtx.c: Remove cselib parts.
6993 * Makefile.in: Add cselib.o.
6995 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6997 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6998 (setup_incoming_varargs): Remove warning.
7000 * config/rs6000/rs6000.c (validate_condition_mode): When
7001 flag_fast_math, allow floating-point conditionals to be reversed.
7002 (rs6000_generate_compare): When flag_fast_math, don't generate
7003 cror operations for FP conditionals.
7005 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7007 (ASM_SPEC): Likewise.
7008 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7009 (CC1_SPEC): Likewise.
7010 (LINK_TARGET_SPEC): Likewise.
7011 (CPP_ENDIAN_SPEC): Likewise.
7012 * Makefile.in (check-consistency): New target.
7014 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7016 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7017 "return type defaults" warning for functions with return type
7019 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7020 function declarations by default rather than only when pedantic.
7022 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7024 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7027 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7029 * extend.texi (Deprecated): Deprecate new initializer lists.
7031 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7033 * mkdeps.c (deps_add_default_target): Robustify. Add
7034 basename component only.
7035 * cpp.texi (-M): Describe how default target is generated.
7036 * invoke.texi (-M): Likewise.
7038 2001-02-12 Kazu Hirata <kazu@hxi.com>
7040 * toplev.c (push_float_handler): Remove.
7041 (pop_float_handler): Remove.
7042 * toplev.h: Remove prototypes for the above functions.
7044 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7046 * c-common.c (constant_fits_type_p): New function.
7047 (convert_and_check): Use it.
7049 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7051 * Makefile.in (GXX_ABI_FLAG): Don't define.
7052 * configure.in (--enable-new-gxx-abi): Remove option.
7053 * config.in: Regenerated.
7054 * configure: Likewise.
7056 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7058 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7060 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7061 regular basic block, and arrange for all edges into it to switch
7064 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7066 * Makefile.in (distclean): Do not remove .gdbinit.
7068 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7070 * Makefile.in (gcc.o): Fix typos.
7071 (protize.o): Likewise.
7072 (unprotoize.o): Likewise.
7074 2001-02-11 Richard Henderson <rth@redhat.com>
7076 * tree.c (build1): Check for null operand in last change.
7078 2001-02-11 Richard Henderson <rth@redhat.com>
7080 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7081 (fold): Don't assume a constant isn't foldable.
7082 * tree.c (build): Set TREE_CONSTANT for an expression with no
7083 side-effects and constant operands.
7086 2001-02-10 Richard Henderson <rth@redhat.com>
7088 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7090 2001-02-10 Anthony Green <green@redhat.com>
7092 * cpp.texi (Standard Predefined): Add documentation for
7095 * c-common.c (combine_strings): Improve warning message.
7097 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7099 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7101 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7103 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7105 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7108 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7110 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7113 2001-02-09 Nick Clifton <nickc@redhat.com>
7115 * config/arm/arm.md: Change output contraint on post inc
7116 load/store multiple patterns to be a read/write contraint.
7118 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7120 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7121 .o files when using the -M options.
7123 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7124 David Edelsohn <edelsohn@gnu.org>
7126 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7127 handle DImode constants. Use one TOC entry for SImode and smaller
7128 constants, aligned properly.
7130 2001-02-08 Jason Merrill <jason@redhat.com>
7132 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7133 about the SP adjustment for saving the static chain pointer.
7134 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7135 offset when setting a temporary CFA register.
7137 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7139 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7140 powerpc-*-chorusos* .
7141 * config/rs6000/chorus.h : New file.
7142 * config/i386/chorus.h : New file.
7143 * config/sparc/chorus.h : New file.
7144 * config/sparc/t-chorus-elf : New file.
7146 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7148 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7149 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7150 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7151 (__WCHAR_TYPE__): Correct macro name.
7153 2001-02-08 Richard Henderson <rth@redhat.com>
7155 * config/i386/i386.c (ix86_frame_pointer_required): New.
7156 (ix86_setup_frame_addresses): New.
7157 (struct machine_funciton): Add accesses_prev_frame.
7158 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7159 ix86_frame_pointer_required.
7160 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7161 (SETUP_FRAME_ADDRESSES): New.
7162 * config/i386/i386-protos.h: Update.
7163 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7164 from FRAME_POINTER_REQUIRED.
7165 * config/i386/svr3gas.h: Likewise.
7166 * config/i386/sysv3.h: Likewise.
7167 * config/i386/v3gas.h: Likewise.
7169 2001-02-08 Richard Henderson <rth@redhat.com>
7171 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7172 calculation of the number of integer registers required.
7173 (function_arg_record_value): Likewise.
7175 2001-02-08 Jason Merrill <jason@redhat.com>
7177 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7178 two. Print file and line with "confused" message.
7180 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7182 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7184 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7186 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7188 * final.c (cleanup_subreg_operands): The address of a MEM can
7191 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7194 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7196 * gcc.texi (Incompatibilities): Update documentation of
7197 preprocessing numbers.
7199 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7201 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7203 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7205 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7207 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7208 * gcc.c (struct compiler): Add cpp_spec field.
7209 (input_file_compiler): New variable.
7210 (do_spec_1): Allow a particular compiler to handle `%C'
7212 (main): Store the current compiler in input_file_compiler.
7213 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7215 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7217 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7218 * cppinit.c (cpp_create_reader): Initialize them.
7219 (append_include_chain): cxx_aware arg might be unused.
7220 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7221 keywords and give them their phase 7 meaning. Pedwarn about
7222 this unless '__bool_true_false_are_defined' is defined.
7224 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7226 * lcm.c (optimize_mode_switching): Emit mode_set before the
7227 JUMP_INSN of an abnormal edge.
7229 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7231 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7232 a scheduling barrier at the end.
7234 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7236 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7238 * config/sh/sh.md (reload_outsf): Removed.
7239 (movsf_ie): Introduce constraints for FPUL loads and stores.
7240 (reload_insf): Broaden the output constraint.
7242 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7244 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7245 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7247 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7249 * final.c: Revert my previous changes.
7250 * output.h: Make profile_label_no extern.
7251 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7252 for generating label.
7254 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7256 * config/i386/djgpp.h: Add comments about standard paths.
7257 (MD_EXEC_PREFIX): Undefine before defining.
7258 (MD_STARTFILE_PREFIX): New.
7260 2001-01-30 Bruce Korb <bkorb@gnu.org>
7262 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7263 (load_file): do not rely on load_file_data() to close file pointer
7264 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7265 fixinc/inclhack.def(irix_limits_const): add test_text
7267 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7269 * cppexp.c (parse_defined): Improve diagnostics for invalid
7272 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7274 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7276 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7278 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7279 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7280 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7281 (rs6000_output_symbol_ref): New function.
7282 (output_toc): Use VTABLE_NAME_P.
7284 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7286 * print-tree.c (print_node, case PARM_DECL):
7287 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7289 * stor-layout.c (reference_types_internal): New variable.
7290 (internal_reference_types): New function.
7291 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7292 * tree.h (internal_reference_types): New declaration.
7294 * cse.c (find_best_addr): Fix typo in computing cost.
7296 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7298 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7299 and this is the sum of a pointer and a constant, we know the result
7301 (num_sign_bit_copies, case PLUS): Likewise.
7302 * explow.c (convert_memory_address): Remove opposite SUBREG.
7303 * function.c (instantiate_new_reg): New function (from common code).
7304 (instantiate_virtual_regs_1): Call it.
7305 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7306 if pointers sign- or zero-extend.
7307 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7308 If pointers extend unsigned, use inside of SUBREG.
7309 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7311 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7313 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7314 subdir of gcc_gxx_include_dir.
7315 (gcc_gxx_target_include_dir): Remove.
7317 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7319 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7320 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7321 a high-level description.
7323 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7325 * final.c: Move the declaration of profile_label_no to ...
7326 * output.h: ... here.
7327 * function.c (expand_function_start): Call PROFILE_HOOK.
7328 * config/rs6000/aix.h: Define PROFILE_HOOK.
7329 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7330 * config/rs6000/rs6000.c (output_profile_hook): Define.
7331 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7332 output_profile_hook.
7333 tm.texi : Explain new macro PROFILE_HOOK.
7335 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7337 * extend.texi (Extended Asm): Do not say that semicolon is always
7338 a valid line-breaking character for GNU assemblers. Use
7339 newline-tab as the most commonly supported syntax. Use
7340 newline-tab rather than semicolon in multi-insn examples.
7342 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7344 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7346 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7347 David Edelsohn <edelsohn@gnu.org>
7349 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7350 code for AIX, even without flag_pic.
7352 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7354 * c-typeck.c (common_type): push and pop binding level around
7355 calling common_type on function parameters.
7357 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7359 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7361 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7363 * config/mips/mips.c (override_options): Fix typo in last change.
7364 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7365 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7367 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7369 * invoke.texi (-fdump-class-layout): Document.
7370 (-fdump-translation-unit): Use `=' as filename separator.
7372 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7374 * Makefile.in (s-mlib): Don't build multilibs if
7376 (DRIVER_DEFINES): Adjust accordingly.
7378 (protoize.o): Likewise.
7379 (unprotoize.o): Likewise.
7380 * configure.in: Recognize --enable-multilib.
7382 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7384 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7386 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7387 * configure.in: Remove --enable-libstdcxx_v3 support.
7388 * configure: Regenerated.
7390 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7392 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7393 Call abort instead of fatal.
7394 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7395 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7396 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7397 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7398 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7399 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7401 * diagnostic.h (set_internal_error_function): Renamed.
7402 * toplev.h (internal_error): Renamed from fatal.
7403 (pfatal_with_name): Deleted.
7404 (fatal_io_error): Now has printf-style arguments.
7405 * diagnostic.c (pfatal_with_name): Deleted.
7406 (fatal_io_error): Rework to have args in printf-style.
7407 (set_internal_error_function): Renamed from set_fatal_function.
7408 (internal_error): Renamed from fatal.
7409 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7410 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7411 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7412 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7413 * flow.c (verify_flow_info): Likewise.
7414 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7415 * config/mips/mips.c (save_restore_insns): Likewise.
7417 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7418 * flow.c (verify_flow_info): Likewise.
7419 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7420 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7421 (avr_normalize_condition): Likewise.
7422 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7423 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7424 (limit_reload_class, double_reg_to_memory): Likewise.
7425 (print_operand_address, emit_1600_code_shift): Likewise.
7426 (gen_tst_reg, gen_compare_reg): Likewise.
7427 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7428 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7430 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7432 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7433 * objc/objc-act.c (build_ivar_chain): Likewise.
7434 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7436 * graph.c (clean_graph_dump_file): Likewise.
7437 * profile.c (init_branch_prob): Likewise.
7438 * objc/objc-act.c (objc_init): Likewise.
7440 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7441 * config/avr/avr.c (avr_override_options): Likewise.
7442 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7443 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7444 * config/h8300/h8300.c (h8300_init_once): Likewise.
7445 * config/mips/mips.c (override_options): Likewise.
7446 * config/i386/i386.c (override_options): Likewise, rework.
7447 * config/m68k/m68k.c (override_options): Likewise.
7449 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7451 * config/mips/mips.c (print_operand): Likewise.
7452 * hash.c (hash_allocate): Don't check for failure returns from
7453 obstack functions that can't fail.
7454 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7455 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7456 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7457 (get_object_reference): Likewise.
7459 2001-02-04 Nick Clifton <nickc@redhat.com>
7461 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7462 StrongARM1110, 10TDMI, and 1020T.
7464 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7466 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7468 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7470 * config/sh/sh.md (movdf load split): Pass register number to
7471 FP_OR_XD_REGISTER_P.
7473 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7475 * cppinit.c (BC): New macro.
7476 (builtin_array): Add __GXX_WEAK__.
7477 * cpplib.h (builtin_type): Add BT_WEAK.
7478 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7479 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7480 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7482 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7484 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7486 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7488 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7489 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7491 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7493 * cpphash.h: Rename ALIGN _ALIGN.
7494 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7496 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7498 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7499 compilation environment.
7500 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7501 control over location of cygwin includes and libs.
7503 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7505 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7507 2001-02-02 lars brinkhoff <lars@nocrew.org>
7509 * md.texi (Standard Names): remove reference to spur.md.
7511 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7513 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7514 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7515 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7516 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7517 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7519 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7521 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7522 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7523 number before reload.
7524 (c4x_adjust_cost): Return zero before reload.
7525 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7526 split before reload.
7528 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7530 * c4x.c (c4x_hard_regno_rename_ok): New.
7531 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7532 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7534 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7536 * diagnostic.h: Add missing "extern" in all declarations.
7538 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7540 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7541 as for gcc_gxx_include_dir.
7543 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7545 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7547 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7549 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7550 label before alignment to be used as the braf base address.
7551 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7553 (casesi_jump_2): Require at least TARGET_SH2.
7555 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7556 truncation to 32-bit doubles on -m3e and -m4-single-only.
7558 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7560 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7561 the default when building a shared object.
7562 (init_spec): Use it.
7563 * testsuite/lib/g++.exp: Include the directory where libgcc
7564 is located to the LD_LIBRARY_PATH list.
7565 * invoke.texi (-shared-libgcc): Document the cases in which
7566 GCC defaults to using the shared libgcc.
7568 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7570 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7571 unsigned is wide enough.
7573 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7574 (si_to_float): Likewise.
7575 (float_to_si, float_to_usi): Use BITS_PER_SI.
7577 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7579 * dwarf2out.c: Added explanation of abbreviations.
7580 (def_cfa_1): Added comments listing DWARF2 instructions.
7581 (cfa_temp_reg): Removed in favor of cfa_temp.
7582 (cfa_temp_value): Removed in favor of cfa_temp.
7583 (cfa_temp): New global variable.
7584 (dwarf2out_frame_debug_expr): Added extensive introductory
7585 comments explaining the function's transformations. Revised to
7586 use cfa_temp. Added some rtx checking. Generalize IOR case.
7587 (dwarf2out_frame_debug): Revised to use cfa_temp.
7588 (output_aranges): Cast as "unsigned" to avoid warning.
7589 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7590 explain which instructions must be marked.
7592 2001-02-01 Richard Henderson <rth@redhat.com>
7594 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7597 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7599 * config/sh/crt1.asm (main_k): Modified so that start calls
7600 ___setup_argv_and_call_main.
7602 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7604 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7605 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7606 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7607 * cppmacro.c (builtin_macro): Set builtin flags here.
7608 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7609 (replace_args): Clarify intent.
7610 (cpp_get_token): Macro expansion tokens get the saved flags.
7612 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7615 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7617 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7620 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7622 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7623 returns Pmode pseudo, but we need ptr_mode.
7624 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7625 Remove bogus conversions; use HOST_WIDE_INT for size.
7626 Don't use TARGET if wrong mode.
7628 * config/i386/i386.c (ix86_compute_frame_size): Allow
7629 stack_alignment_needed to be non-default even if size is zero.
7631 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7633 * pa.c (hppa_init_pic_save): New function.
7634 * pa.h (hppa_init_pic_save): Declare.
7635 * pa.md (call, call_value, sibcall, sibcall_value): Use
7636 the above instead of duplicated code.
7638 * pa.c (hppa_encode_label): Correct size of alloca buffer
7639 so we don't overrun it. Correct leading `*' case.
7640 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7641 need to handle `*@'.
7642 (FUNCTION_NAME_P): Likewise.
7644 2001-01-31 Richard Henderson <rth@redhat.com>
7646 * config.gcc (alpha-osf5): Use float-i128.h.
7648 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7649 * config/float-i32.h: Likewise.
7650 * config/float-i64.h: Likewise.
7651 * config/float-sh.h: Likewise.
7652 * config/float-sparc.h: Likewise.
7654 2001-01-31 DJ Delorie <dj@redhat.com>
7656 * expmed.c (extract_bit_field): allow non-integral modes if we
7657 want to extract a whole register from itself.
7659 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7661 * c-typeck.c (set_init_index): If first is equal to last, assume as
7662 if it was not a range at all.
7664 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7666 * config/fp-bit.c: Include tm.h.
7667 (float_to_si): Don't assume SImode is 32-bits wide.
7668 (float_to_usi): Likewise.
7670 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7672 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7674 (typename): Call pending_xref_error after parsing typed_typespecs.
7675 * c-decl.c (lookup_tag): Give error immediately rather than
7676 leaving it pending if the tag of the wrong type is in the same
7678 (xref_tag): Don't pedwarn for forward declarations of enum types
7680 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7683 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7685 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7687 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7689 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7690 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7692 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7694 * cpphash.h (struct cpp_reader): New saved_flags.
7695 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7696 to avoid a paste after a pasted token.
7698 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7700 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7701 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7702 Wtype_MIN instead of LONG_MIN.
7704 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7706 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7708 * fixinc/fixincl.x: Regenerated.
7709 * fixinc/inclhack.def (irix_limits_const): New definition to
7710 convert "const" to "__const" in limits.h.
7712 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7714 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7716 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7718 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7719 when register dies in the insn.
7721 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7723 * diagnostic.c (fatal): Fix word wrap.
7725 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7727 * combine.c (try_combine): Fix SUBREG setting for
7728 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7730 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7732 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7735 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7737 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7739 * toplev.c (decode_W_option): Update warn_larger_than
7740 unconditionally for each processed switch.
7742 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7744 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7746 (hppa_expand_prologue): Delete code to save pic offset table register
7747 in the function prologue.
7748 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7749 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7750 table register at the beginning of the function after the prologue.
7752 2001-01-29 lars brinkhoff <lars@nocrew.org>
7754 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7756 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7757 Jeff Law <law@redhat.com>
7759 * pa.md (return): Revise comment for trivial return.
7760 (return_internal): Non-trivial return pattern for non-PIC code.
7761 (return_internal_pic): Non-trivial return pattern for PIC code.
7762 It uses the PIC register to ensure it is restored after
7764 (epilogue): Generate appropriate return for PIC and non-PIC code.
7766 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7768 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7770 2001-01-29 DJ Delorie <dj@redhat.com>
7772 * combine.c (if_then_else_cond): Pass the correct mode to
7773 operand_subword() for constants.
7775 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7777 * config/i386/cygwin.h: Add w32api to include search. Search different
7778 directories in a cross-build environment.
7780 2001-11-29 Tim Josling <tej@melbpc.org.au>
7782 * tree.h (TYPE_STUB_DECL): Add documentation.
7784 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7786 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7787 (sdbout_field_types): Likwise. Fix use of host_integerp.
7789 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7791 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7794 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7796 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7797 to use flag_gnu_linker.
7799 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7801 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7802 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7804 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7806 * tree.c, tree.h (build_parse_node): Remove; was identical to
7808 * c-lang.c (start_cdtor), objc/objc-act.c
7809 (build_module_descriptor): Use build_nt instead of
7812 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7814 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7815 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7816 not have any upper bits set.
7818 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7820 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7822 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7824 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7826 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7828 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7829 (integer_minus_one_node): Define.
7831 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7833 * Makefile.in (bootstrap2-lean): Fix typo.
7835 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7837 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7838 : Don't set fe_value.
7839 * cpplib.h (AVOID_LPASTE): New flag.
7840 (struct cpp_hashnode): Remove fe_value.
7841 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7842 * cppmacro.c (builtin_macro): Don't set flags here.
7843 (replace_args): Set AVOID_LPASTE flag on first token of an
7844 argument, and the token following it.
7845 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7846 macro expansion, and on the token following it. Do it for
7848 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7850 2001-01-27 Richard Henderson <rth@redhat.com>
7852 * config/alpha/t-ieee: Remove multilibbing.
7853 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7855 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7857 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7859 * Makefile.in: Remove all dependencies on defaults.h.
7860 * builtins.c: Don't include defaults.h.
7861 * c-common.c: Likewise.
7862 * c-decl.c: Likewise.
7863 * c-pragma.c: Likewise.
7864 * c-typeck.c: Likewise.
7865 * combine.c: Likewise.
7867 * frame-ia64.c: Likewise.
7868 * cppexp.c: Likewise.
7869 * crtstuff.c: Likewise.
7870 * dbxout.c: Likewise.
7871 * dwarf2out.c: Likewise.
7872 * dwarfout.c: Likewise.
7873 * emit-rtl.c: Likewise.
7874 * except.c: Likewise.
7876 * final.c: Likewise.
7877 * frame-dwarf2.c: Likewise.
7878 * libgcc2.c: Likewise.
7879 * optabs.c: Likewise.
7880 * profile.c: Likewise.
7881 * sdbout.c: Likewise.
7882 * toplev.c: Likewise.
7883 * tradcif.y: Likewise.
7885 * varasm.c: Likewise.
7887 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7889 * builtins.c (expand_builtin_fputs): Use size_one_node when
7890 transforming into fwrite.
7892 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7894 * extend.texi (Attribute Syntax): New section.
7896 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7898 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7899 they didn't need fixing.
7901 2001-01-27 Janis Johnson <janis@us.ibm.com>
7903 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7905 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7906 to remove macro definitions that are duplicated from elfos.h.
7908 2001-01-27 Richard Henderson <rth@redhat.com>
7910 * config/i386/sco5gas.h: Move ...
7911 * config/usegas.h: ... here.
7912 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7914 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7916 * c-typeck.c (struct constructor_stack): Add range_stack member.
7917 (really_start_incremental_init): Clear it.
7918 (push_init_level): Save constructor_range_stack and clear it if
7919 pushing explicit braces.
7920 (pop_init_level): abort if constructor_range_stack is non-zero at
7921 explicit closing brace. Restore saved constructor_range_stack if
7924 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7926 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7927 into register was forced into memory.
7929 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7931 * Makefile.in: Remove uses of + before $(MAKE).
7933 2001-01-26 Richard Henderson <rth@redhat.com>
7935 * stmt.c (cost_table): Remove.
7936 (COST_TABLE, cost_table_initialized): New.
7937 (estimate_case_costs): Use the later instead of the former.
7938 (balance_case_nodes): Likewise.
7940 2001-01-26 Richard Henderson <rth@redhat.com>
7942 * alias.c (objects_must_conflict_p): Read-only slots may not
7943 conflict despite having the same type.
7945 2001-01-27 Michael Hayes <mhayes@redhat.com>
7947 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7949 (check_ext_dependant_givs): Initialise u_start_val and
7951 (load_mems): Make last_max_reg unsigned.
7952 (try_swap_copy_prop): Use INSN_P and initialise set.
7954 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7956 * README.AVR : Removed.
7958 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7960 * pa-64.h (text_section): Remove declaration.
7962 * pa.md (return_internal): Remove mode on PIC register use.
7964 2001-01-25 lars brinkhoff <lars@nocrew.org>
7966 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7967 ASM_CLOSE_PAREN): fix typos.
7969 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7971 * acconfig.h: Define `const' to the empty string if neither
7972 __STDC__ nor __cplusplus is defined.
7973 * config.in: Regenerated.
7975 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7977 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7978 * collect2.c (main): Delete importf. Add ".obj" file extension.
7979 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7980 (aix_std_libs): Add additional AIX libraries to skip.
7981 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7982 * config/rs6000/aix51.h: New file.
7984 2001-01-25 Michael Hayes <mhayes@redhat.com>
7986 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7987 (loop_insn_emit_before): No longer static.
7988 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7989 (loop_givs_rescan, load_mems): Likewise.
7990 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7991 (maybe_eliminate_biv_1):
7992 (move_movables): Replace emit_call_insn_before with
7993 loop_call_insn_hoist.
7994 * loop.h (loop_insn_emit_before): Add.
7995 * unroll.c (copy_loop_body): Replace emit_insn_before with
7996 loop_insn_emit_before.
7998 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8000 * diagnostic.c (fatal): Request preprocessed source.
8002 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8004 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8005 olddecl has argument types and newdecl has none, use the argument
8008 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8010 * dwarf2out.c (prefix_of): New function. Determine longest common
8011 prefix of the two arguments. The units are whole path components.
8012 (output_file_names): When adding a new directory find the one entry
8013 with the longest common prefix already in the list. Artificially
8014 generate entry if there is none for this prefix.
8015 Fix test to check whether the zeroth directory entry is used.
8017 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8019 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8020 Changed all callers. Take it into account when deciding if a
8021 previously loaded value matches.
8023 2001-01-24 Richard Henderson <rth@redhat.com>
8025 * reload.c (find_reloads_subreg_address): Fail the substitution
8026 if the resulting address is insufficiently aligned.
8028 2001-01-24 DJ Delorie <dj@redhat.com>
8030 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8031 check the original operand's mode also.
8032 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8034 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8036 * c-parse.in (cast_expr): Move compound literals from here ...
8037 (primary): ... to here. Use standard terminology "compound
8038 literal" instead of "constructor expression".
8040 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8042 * gcc.1, cpp.1: Regenerate.
8044 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8046 * calls.c (emit_library_call_value_1): Memory slot for
8047 pass-by-reference argument should have the mode of the argument,
8048 not of the pointer to it.
8050 2001-01-24 Tom Tromey <tromey@redhat.com>
8052 * gcc.texi (G++ and GCC): Mention gcj manual.
8053 (Standards): Link to section of manual mentioning gcj/Java
8056 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8058 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8059 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8060 * tradcpp.c (main): Add -imacros or -include'd dependencies
8062 * cpp.texi (-M, -MM): Document -M -include behaviour.
8064 2001-01-24 Roger Collins <roger@ProProject.com>
8066 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8068 2001-01-24 Will Cohen <wcohen@redhat.com>
8070 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8071 whether registers are 32 bits or 64 bits in size.
8073 2001-01-24 Ben Elliston <bje@redhat.com>
8075 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8077 2001-01-24 Richard Henderson <rth@redhat.com>
8079 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8080 (builtin_longjmp): Use it instead of emit_indirect_jump.
8082 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8084 * bb-reorder.c (make_reorder_chain_1): Handle case where
8085 jump edge goes to the same block as the fallthru edge.
8087 2001-01-23 Jim Wilson <wilson@redhat.com>
8089 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8090 * frame.h (__ia64_personality_v1): Add prototype.
8091 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8092 prototype form. Add void * cast to first argument to personality
8094 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8095 (asctoe113): Likewise.
8096 * config/ia64/frame-ia64.c: Include eh-common.h.
8097 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8099 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8101 (itanium_split_issue): Add prototype.
8102 (gen_nop_type): Ifdef out.
8103 (find_best_packet): Initialize best_packet.
8104 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8106 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8107 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8108 (flushrs): Add explicit stop bit at end.
8109 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8112 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8114 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8116 * libgcc2.c (__terminate_func): Make variable static.
8117 (__terminate_set_func): New function to set __terminate_func.
8118 * libgcc2.h (__terminate_func_ptr): New typedef.
8119 (__terminate_set_func): New function.
8121 2001-01-23 Richard Henderson <rth@redhat.com>
8123 * flow.c (init_propagate_block_info): Don't consider unchanging
8124 memories for dead frame store elimination.
8126 2001-01-23 Richard Henderson <rth@redhat.com>
8128 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8129 * defaults.h: ... here.
8131 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8133 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8135 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8137 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8139 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8141 * rs6000.h (rs6000_return_addr): Move prototype from here...
8142 * rs6000-protos.h (rs6000_return_addr): ...to here.
8143 (rs6000_init_expanders): Delete prototype.
8145 2001-01-23 Nick Clifton <nickc@redhat.com>
8147 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8148 (Spec Files): Document %B and %j and %. and %v3 and %M and
8149 %{S*&T} spec switches.
8151 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8153 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8155 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8156 Neil Booth <neil@daikokuya.demon.co.uk>
8158 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8159 Have -Werror make pedantic warnings errors, like the
8162 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8164 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8166 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8168 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8169 * integrate.c (expand_inline_function): Initialize them.
8170 (subst_constants): If changing COMPARE so that both its arguments
8171 will be VOIDmode and the comparison mode will be lost, note
8172 compare_mode. Use the recorded compare_mode to optimize
8175 2001-01-23 Jason Merrill <jason@redhat.com>
8177 * dwarf2out.c (new_die): Use xcalloc.
8178 (output_die): Abort rather than emit a local reference to offset 0.
8180 2001-01-17 Andrew Haley <aph@redhat.com>
8182 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8183 of a saved register; return NULL instead.
8184 (copy_reg): Take a pointer to a source register rather than a
8186 (next_stack_level): Remember the address in the stack frame of all
8188 Use the saved register pointer array as the source of the CFA.
8189 (throw_helper): Rewrite. Unwind once rather than twice and keep
8190 track of saved registers as we go.
8192 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8194 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8195 * c4x.c (c4x_legitimize_reload_address): Remove.
8196 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8197 reload address for ldp(k) insn.
8199 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8201 * pa.md (return_internal): Add a USE of the PIC register to ensure
8202 it is restored after each call.
8203 (return expander): Corresponding changes.
8205 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8207 * rs6000.h (INIT_EXPANDERS): Delete.
8208 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8209 * rs6000.c (rs6000_override_options): Call *_machine_status from
8211 (rs6000_init_expanders): ...instead of here. Delete.
8212 (rs6000_mark_machine_status): New function.
8213 (rs6000_init_machine_status): Use xcalloc.
8214 (rs6000_return_addr): Generate RTX for the return address.
8215 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8216 (rs6000_stack_info): Use it.
8218 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8220 * gthr-win32.h: Include errno.h to get a declaration for
8221 EINVAL and _mingw.h if the target is mingw32.
8223 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8225 * cpp.texi: Correct typos.
8227 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8229 * explow.c (probe_stack_range): Ensure value passed to
8230 stack_check_libfunc is ptr_mode, not Pmode.
8232 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8234 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8235 case, don't use operand_subword to calculate a SUBREG that is
8238 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8240 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8242 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8243 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8244 valid. If not replace it by equivalent insns.
8246 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8248 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8249 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8250 (c4x_U_constraint, symbolic_address_operand): Likewise.
8251 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8253 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8254 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8255 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8256 anulling slot because of silicon bug.
8257 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8259 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8261 * cppexp.c (parse_charconst): Change `mask' type to agree
8264 2001-01-21 Richard Henderson <rth@redhat.com>
8266 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8267 pic_label_name in a linkonce section.
8269 2001-01-17 Philipp Thomas <pthomas@suse.de>
8271 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8273 * configure: Regenerate.
8275 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8277 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8278 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8280 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8282 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8283 If REVERSE nonzero then condition code in X must be reversed.
8284 (encode_section_info): Optimise if/else.
8285 (avr_function_value): Fix formatting.
8287 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8288 (difficult_branch): Likewise.
8289 (rvbranch): Likewise.
8290 (difficult_rvbranch): Likewise.
8292 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8294 * config/avr/libgcc.S: Fix comment.
8296 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8298 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8300 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8302 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8304 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8306 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8307 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8308 * configure, config.in: Regenerate.
8309 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8310 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8311 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8312 (doprint.o): New rule.
8314 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8316 * c-typeck.c (digest_init): Handle boolean types as scalars.
8318 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8320 * stmt.c (expand_return): Don't return anything if size is zero.
8321 Delete redundant assignment to BYTES.
8322 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8324 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8326 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8327 the same as the default library function names.
8328 * config/avr/avr.md: Document special characters after '%'.
8329 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8330 knowing which of the call-used registers are really clobbered.
8331 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8332 New. Both quotient and remainder from one libgcc.S call.
8333 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8334 clobber as few registers as possible.
8335 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8337 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8339 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8340 context of the top of the stack.
8342 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8344 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8345 (fixup_var_refs_insns): ...here.
8347 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8349 * function.c (fixup_var_refs_insns): Break up into
8350 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8351 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8352 [loop over hash table entries].
8353 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8354 fixup_var_refs_insns_with_hash, to match above changes.
8356 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8358 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8359 (libgcc.a): Likewise.
8360 (stmp-multilib): Likewise.
8361 (STAGE2_FLAGS_TO_PASS): Likewise.
8363 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8365 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8366 temporary if no_new_pseudos.
8368 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8370 * cppinternals.texi: Update.
8372 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8374 * arm.c (arm_init_builtins): Re-enable builtins.
8376 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8378 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8379 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8380 element to be null, and always expect an EXPR_LIST.
8381 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8382 * sched-deps.c (sched_analyze_1): Likewise.
8383 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8385 * regclass.c (max_set_parallel): New variable.
8386 (reg_scan): Take it into account in computation of max_parallel.
8387 (reg_scan_mark_refs, case SET): Compute it.
8389 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8391 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8392 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8394 2001-01-19 Jason Merrill <jason@redhat.com>
8396 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8397 for the abstract instance of an inline function.
8399 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8400 J"orn Rennecke <amylaar@redhat.com>
8402 * reload1.c (move2add_note_store): Treat all registers directly or
8403 indirectly derived from a base register as members of the same set
8405 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8406 of base register into account.
8408 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8410 * alias.c (find_base_value): Recognize TRUNCATE.
8411 (record_set): In PLUS case, invalidate if other summand is also a
8414 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8416 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8417 entry to be EXPR_LIST.
8418 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8419 be an EXPR_LIST (but not null, which other code doesn't allow).
8420 (note_stores): Properly handle PARALLEL in SET.
8421 Recursively call for top-level PARALLEL.
8422 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8423 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8425 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8427 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8429 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8430 not pfile->skipping (== 0).
8432 2001-01-17 Nick Clifton <nickc@redhat.com>
8434 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8437 2001-01-17 Jim Wilson <wilson@redhat.com>
8439 * invoke.texi (IA-64 options): Improve.
8441 2001-01-17 Tom Tromey <tromey@redhat.com>
8443 * invoke.texi (Optimize Options): Use `{}' to around @samp
8446 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8448 * invoke.texi (-fno-guess-branch-probability): New option.
8450 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8452 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8453 case of making new double-word constant.
8454 Revert last change: instead just test i3_subst_into_i2.
8456 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8458 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8459 Use q constraints instead of r.
8461 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8463 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8464 (machine_function): Define.
8465 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8466 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8467 pa_free_machine_status): New functions.
8468 (override_options): Set {init,mark,free}_machine_status to above.
8469 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8470 PIC_OFFSET_TABLE_REGNUM_SAVED.
8471 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8472 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8473 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8474 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8475 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8477 2001-01-15 DJ Delorie <dj@redhat.com>
8479 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8483 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8485 * flow.c (propagate_on_insn): Make trying to delete a prologue
8486 or epilogue insn an ICE, not a warning. Allow doing this if
8487 the current function returns with stack pointer depressed.
8489 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8490 I3 having more than one SET.
8492 2001-01-16 Jim Wilson <wilson@redhat.com>
8494 * invoke.texi: Document IA-64 options.
8496 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8497 (fixup_errata): Delete TARGET_A_STEP use.
8498 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8499 (TARGET_SWITCHES): Delete -ma-step option.
8500 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8501 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8502 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8503 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8504 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8505 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8507 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8508 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8509 cmovsi_internal): Delete ! TARGET_A_STEP check.
8511 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8513 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8514 possibility to report bugs via postal mail. Change a URL and
8515 merge in a nearly duplicate statement...
8516 (Bug Reporting): ...from here.
8517 (Service): Refer to the Bug Reporting section instead of
8519 (Contributing): Remove trivial explanations concerning snapshots.
8521 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8523 * cppmain.c (general_init): Don't use ANSI prototype.
8525 2001-01-16 Tom Tromey <tromey@redhat.com>
8527 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8529 2001-01-16 Richard Henderson <rth@redhat.com>
8531 * config/i386/i386.h: Fix comment typo.
8532 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8533 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8535 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8537 * gcc.c: Revert previous -fsyntax-only-related change; move
8540 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8542 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8543 inmode after checking GET_CODE (op).
8545 2001-01-16 Richard Henderson <rth@redhat.com>
8547 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8548 (MAX_MEM_SET_LIST_LEN): New.
8549 (propagate_one_insn): Update mem_set_list_len.
8550 (invalidate_mems_from_autoinc): Likewise.
8551 (invalidate_mems_from_set): Likewise.
8552 (mark_used_regs): Likewise.
8553 (init_propagate_block_info): Likewise. Stop collecting memories
8554 when we reach MAX_MEM_SET_LIST_LEN.
8555 (mark_set_1): Likewise.
8557 2001-01-16 Richard Henderson <rth@redhat.com>
8559 * unroll.c (precondition_loop_p): Fail if no iteration
8562 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8564 * gcc.c: When -fsyntax-only is given, do not complain about
8567 2001-01-15 Richard Henderson <rth@redhat.com>
8569 * config/i386/i386.c (asm_output_function_prefix): Remove.
8570 (ix86_asm_file_end): New.
8571 (load_pic_register): Generate pic_label_name into a
8572 staticly allocated buffer.
8573 * config/i386/i386-protos.h: Update.
8574 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8575 (ASM_FILE_END): New.
8576 * config/i386/i386afe.h: New file.
8577 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8578 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8579 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8580 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8581 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8582 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8583 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8585 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8587 * Makefile.in (install-man): Remove explicit dependency on
8590 * configure.in, configure: Revert previous patch requiring perl
8593 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8595 * toplev.c (flag_guess_branch_prob): New.
8596 (f_options): Add guess-branch-probability option.
8597 (rest_of_decl_compilation): Only estimate branch probability if
8599 (main): set flag_guess_branch_prob.
8601 * flags.h (flag_guess_branch_prob): New.
8603 2001-01-15 DJ Delorie <dj@redhat.com>
8605 * gcc.texi (Makefile): Add documentation for Makefile targets.
8607 2001-01-15 Philip Blundell <philb@gnu.org>
8609 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8611 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8612 (is_pic): Delete declaration.
8613 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8614 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8615 * config/arm/arm.md (builtin_setjmp_receiver): New.
8617 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8619 * arm.c (use_return_insn): Don't try to determine the function type
8620 until after reload has completed.
8621 (arm_output_epilogue): Don't adjust the sp value recovered from the
8623 (emit_multi_reg_push): Don't record dwarf information for the pc.
8624 * arm.md (eh_epilogue): The function type may have changed, so it
8625 needs to be recalculated.
8626 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8627 unwind tables on arm/netbsd.
8629 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8631 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8632 (negated_cbranchsi4): Likewise.
8634 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8636 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8637 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8638 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8639 pass -mapcs-* options to assembler.
8640 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8641 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8642 (ASM_SPEC): Call subtarget_extra_asm_spec.
8644 2001-01-15 Andreas Jaeger <aj@suse.de>
8646 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8648 (ix86_expand_builtin): Likewise.
8650 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8651 warning about comparison between signed and unsigned.
8653 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8655 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8657 2001-01-14 Ralf Baechle <ralf@gnu.org>
8659 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8660 SUBTARGET_CPP_SPEC apropriatly.
8662 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8664 * varasm.c (make_decl_rtl): Fix typo in last change.
8666 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8668 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8669 linker supports the init_priority C++ attribute.
8670 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8671 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8672 linker does not support init_priority C++ attribute.
8674 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8676 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8678 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8680 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8681 * cp/lex.c (finish_parse): Similarly.
8682 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8683 Return the number of errors encountered.
8684 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8685 * cppmain.c (main): Don't call cpp_destroy.
8687 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8689 * configure.in: Require at least perl 5.6.0 to regenerate
8691 * configure: Regenerate.
8693 2001-01-14 Richard Henderson <rth@redhat.com>
8695 * genrecog.c (DT_veclen_ge): New.
8696 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8697 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8698 (nodes_identical_1): Handle DT_veclen_ge.
8699 (write_cond, debug_decision_2): Likewise.
8701 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8703 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8705 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8707 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8709 * cppmain.c (do_preprocessing): New function; most of the old
8711 (main): Call it to do most of the work.
8712 (cb): Move from global scope to set_callbacks ().
8713 (setup_callbacks): Get the callback pointer.
8714 (general_init, printer_init): Clean up code and comments.
8716 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8718 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8721 2001-01-14 Kazu Hirata <kazu@hxi.com>
8723 * config/h8300/h8300.c (get_shift_alg): Update comments.
8725 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8727 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8728 (alloc_page, ggc_alloc): Add casts to remove warnings.
8730 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8732 * combine.c (simplify_comparison): Don't change `code' when
8733 can't reverse comparison.
8735 2001-01-14 Richard Henderson <rth@redhat.com>
8737 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8738 update all call sites. Return true for all non-label constants.
8740 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8742 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8744 (ix86_expand_branch): Update.
8745 (ix86_expand_setcc): Update to handle multiple test conditions.
8746 (expand_int_movcc): Likewise.
8747 (expand_fp_movcc): Likewise.
8748 * i386-protos.h (ix86_expand_compare): New.
8749 * i386.md (andqi_?_slp, orqi_?_slp): New.
8750 (conditional trap expander): Update call to ix86_expand_compare.
8752 2001-01-14 Richard Henderson <rth@redhat.com>
8754 * config/vax/vax.md: Use nonimmediate_operand instead of
8755 general_operand in destinations.
8757 * config/vax/vax.md (indirect_jump): Use register_operand.
8759 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8760 * config/vax/vax.md (call_pop): Turn into an expander.
8761 (call_value_pop): Likewise.
8762 (call, call_value): New.
8764 2001-01-14 Andreas Jaeger <aj@suse.de>
8766 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8768 (ix86_fp_compare_mode): Add unused attribute.
8769 (ix86_expand_fp_movcc): Remove unused variable.
8770 (ix86_expand_builtin): Make fcode unsigned.
8772 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8773 (expand_expr): Add cast to avoid signed warning.
8774 (store_field): Likewise.
8775 (store_constructor_field): Likewise.
8776 (store_constructor): Likewise.
8777 (store_expr): Likewise.
8778 (clear_storage): Likewise.
8779 (emit_group_store): Likewise.
8780 (emit_group_load): Likewise.
8782 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8784 * c-common.c: Move format checking code to ...
8785 * c-format.c: ... here. New file. Reorder some functions and
8787 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8789 * c-common.h (decl_handle_format_attribute,
8790 decl_handle_format_arg_attribute): Declare.
8791 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8792 (c-common.o): Adjust dependencies.
8793 (c-format.o): New list of dependencies.
8795 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8797 * unroll.c (loop_iterations): If we cannot prove iteration variable
8798 is set once in each iteration, punt.
8800 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8802 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8803 (*strlenhi): Remove clobber (which was buggy) of output address.
8805 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8807 * Makefile.in (generated-manpages): Add gcc.1
8808 ($(srcdir)/gcc.1): New target.
8809 (maintainer-clean): Delete $(srcdir)/gcc.1.
8810 * gcc.texi: Add macros @gccoptlist and @gol.
8811 * invoke.texi: Include option summary in manpage. Mark up option
8812 summary with @gccoptlist and @gol. Use @r in one place where
8814 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8815 * gcc.1: Generate from invoke.texi.
8817 2001-01-13 Richard Henderson <rth@redhat.com>
8819 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8820 (struct page_entry): Add group member.
8821 (struct page_group): New.
8822 (struct globals): Add page_groups member.
8823 (alloc_anon): Only define for using mmap; remove valloc call.
8824 (page_group_index): New.
8825 (set_page_group_in_use): New.
8826 (clear_page_group_in_use): New.
8827 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8828 (free_page, release_pages): Likewise.
8829 * configure.in (with-gc): Default to ggc-page always.
8831 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8833 * reload1.c (replace_pseudos_in_call_usage): Use
8834 reg_equiv_constant and reg_equiv_address, and don't try
8835 regno_reg_rtx first.
8837 2001-01-13 Richard Henderson <rth@redhat.com>
8839 * ggc-page.c (alloc_page): Round up allocation size to one page.
8840 Set e->order on extra pages.
8842 2001-01-13 Richard Henderson <rth@redhat.com>
8844 * genrecog.c (nodes_identical): Expand commentary.
8845 (write_switch): Watch out for identical nodes.
8847 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8849 * cppfiles.c (_cpp_fake_include): New function.
8850 * cpphash.h (_cpp_fake_include): New.
8851 * cpplib.c (do_line): Call _cpp_fake_include when entering
8852 header files in preprocessed input.
8853 * cppmain.c (cb_pragma_implementation): Remove handling.
8854 (setup_callbacks): Don't register pragmas.
8856 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8858 * extend.texi: Udate for CPP.
8860 2001-01-13 Andreas Jaeger <aj@suse.de>
8862 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8864 * regmove.c: Add prototype for replace_in_call_usage.
8866 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8868 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8869 struct cpp_chunk, struct htab, struct toklist,
8870 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8871 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8872 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8873 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8874 (struct macro_args): Delete.
8875 * cpphash.h: See above.
8877 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8879 * cppmain.c (struct printer): Remove no_line_dirs.
8881 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8882 : Use options rather than CPP_OPTION.
8883 (setup_callbacks): Use cb rather than pfile->cb.
8884 (main): No need to check for a buffer. Use cpp_errors.
8885 (printer_init): Don't set no_line_dirs.
8886 (maybe_print_line): Use options not no_line_dirs.
8887 (cb_file_change): Don't call print_line if -P.
8889 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8891 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8893 * c-parse.in (finish_parse): Use cpp_errors.
8894 (__yylex): Use return value of cpp_pop_buffer.
8895 * cp/lex.c (finish_parse): Use cpp_errors.
8896 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8898 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8900 * README.AVR: URLs corrected.
8902 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8904 * c-decl.c (start_function): Don't warn if old prototype is builtin
8905 that's not in C's namespace.
8906 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8907 (_bb): Add prototype for ctime.
8908 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8910 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8912 * i386.c (ix86_fp_comparison_arithmetics_cost,
8913 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8914 ix86_fp_comparison_cost): New functions.
8915 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8916 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8917 two-branch sequences; make static.
8918 (ix86_use_fcomi_compare): Do decision according to the costs.
8919 (split_fp_branch): New.
8920 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8921 * i386-protos.h (ix86_expand_fp_compare): Remove
8922 (ix86_split_fp_branch): Declare.
8924 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8925 and ix86_comparison_operator.
8927 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8930 * i386.c (put_condition_code): Output properly the unordered/ordered
8931 compares in fp case.
8932 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8934 * tm.texi (REVERSE_CONDITION): Document.
8935 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8936 in -ffast-math mode.
8937 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8939 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8941 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8943 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8946 * config/sh/sh.c (mova_p): Fix test for mova_const.
8948 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8950 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8951 cpp_get_options rather than dereferencing pfile and using
8953 * scan-decls.c (scan_decls): Use return value of
8954 cpp_pop_buffer rather than CPP_BUFFER.
8956 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8958 * cppinit.c (cpp_handle_option): help_only is now part of the
8959 cpp_options structure.
8960 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8961 cpp_set_callbacks): New functions.
8962 * cpplib.h (cpp_callbacks): Break out as a named structure.
8963 (cpp_options): Move help_only here from cpp_reader.
8964 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8965 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8966 cpp_set_callbacks): New prototypes.
8967 * cppmain.c (main): Update for help_only.
8969 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8971 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8972 Also build and remove and install and uninstall c-tree.info and
8974 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8975 ($(srcdir)/cppinternals.info): New target.
8976 * c-tree.texi: Change file name used when makeinfo used without -o
8977 from ir.info to c-tree.info. Add info directory entry.
8978 * cppinternals.texi: Add info directory entry.
8979 * .cvsignore: Update.
8981 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8983 * c-typeck.c (store_init_value): Don't require constant initializer
8984 elements with -pedantic -std=c99.
8985 (digest_init): Change error about non-constant initializer elements
8987 (constructor_range_end): Remove.
8988 (constructor_incremental, designator_depth,
8989 designator_errorneous): New variables.
8990 (struct constructor_stack): Remove range_end, add incremental.
8991 (struct constructor_range_stack, constructor_range_stack): New.
8992 (struct initializer_stack): Add constructor_range_stack.
8993 (finish_init): Set it.
8994 (start_init): Likewise. require_constant_elements for non-static
8995 trees only if not flag_isoc99.
8996 (really_start_incremental_init): Remove constructor_range_end, add
8997 constructor_incremental.
8998 (pop_init_level): Likewise.
8999 (push_init_level): Likewise. If implicit and the subobject had some
9000 value set already, preinitialize the level with it.
9001 Warn about missing braces only if not pushing due to designators.
9002 (set_designator, push_range_stack): New functions.
9003 (set_init_label): Use them.
9004 (set_init_index): Likewise. Remove constructor_range_end.
9005 Error if designator index is outside of array bounds.
9006 (add_pending_init): Compare values of purpose index trees, not the
9007 trees themselves. Allow overwriting of already initialized element.
9008 Issue a warning if it had side-effects.
9009 (set_nonincremental_init, set_nonincremental_init_from_string): New
9011 (pending_init_member): Rename to...
9012 (find_init_member): ...this function. Call set_nonincremental_init
9013 if necessary. Compare values of purpose index trees, not the trees
9014 themselves. Return the actual value, not just non-zero if something
9016 (output_init_element): Remove checks for duplicates.
9017 If field has zero size, only check the initializer for correctness.
9018 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9019 if constructor_incremental is zero. Change error about initializers
9020 not computable at load time into pedwarn.
9021 (output_pending_init_elements): Compare bit positions, not
9022 FIELD_DECLs to take into account zero-sized fields.
9023 (process_init_element): Use constructor_range_stack to fill all
9024 ranges in the designator lists from current level up.
9025 * extend.texi: Update documentation for labeled elements.
9027 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9029 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9030 to function usage for arguments passed by reference. Optimize
9031 callee-copied arguments.
9032 * regmove.c (replace_in_call_usage): New function.
9033 (fixup_match_1): Call it.
9034 * cse.c (cse_insn): Canonicalize registers in function usage.
9035 * reload1.c (replace_pseudos_in_call_usage): New function.
9038 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9041 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9043 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9046 2001-01-12 DJ Delorie <dj@redhat.com>
9048 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9049 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9052 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9054 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9055 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9056 -std options alongside references to -ansi. Update some
9057 documentation for C99.
9058 * cpp.1: Regenerate.
9060 2001-01-12 Andreas Jaeger <aj@suse.de>
9062 * haifa-sched.c (restore_line_notes): Remove argument block B
9064 * sched-ebb.c (schedule_ebb): Change caller.
9065 * sched-rgn.c (schedule_region): Likewise.
9066 * sched-int.h (restore_line_notes): Adjust prototype.
9068 * loop.h: Remove wrong declaration of doloop_condition_get.
9070 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9072 * extend.texi: Move C++-extension-related node from the C section
9073 into the C++ section.
9075 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9077 * extend.texi: Refer to an array of pointers to functions instead
9078 of one of functions.
9080 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9081 Jan Hubicka <jh@suse.cz>
9083 * combine.c (reversed_comparison): Fix typo in last patch.
9085 (combine_reversed_comparison_code): Make static to follow
9086 prototype declaration.
9088 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9090 * install.texi: Remove misplaced duplicate entry.
9092 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9094 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9096 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9098 * final.c: (leaf_function_p): Fix typo.
9100 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9102 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9103 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9105 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9106 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9107 mmap_anon, and valloc is available.
9108 * ggc-page.c: Restructure ifdef logic to match new autoconf
9109 spec. Don't throw away the test page in init_ggc.
9111 * configure, config.in: Regenerate.
9113 2001-01-12 Michael Hayes <mhayes@redhat.com>
9115 * loop.h (total_biv_increment): Constify iv_class pointer.
9116 (struct induction): Replace `mem_mode' with `mem' rtx.
9117 * unroll.c (total_biv_increment): Constify iv_class pointer.
9118 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9119 (find_mem_givs, combine_givs_p): Likewise.
9120 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9122 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9124 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9126 (__gthread_getspecific): Ditto.
9128 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9130 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9131 put_condition_code): Convert fp comparison codes to integer
9133 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9136 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9137 * i386-protos.h (no_comparison_operator): Kill.
9139 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9141 * combine.c (REVERSIBLE_CC_MODE): Remove.
9142 (reversible_comparison_p): Remove.
9143 (combine_reversed_comparison_code): New.
9144 (reversed_comparison): New.
9145 (combine_simplify_rtx): Use
9146 combine_reversed_comparison_code/reversed_comparison instead
9147 of reversible_comparison_p.
9148 (simplify_if_then_else): Likewise.
9149 (simplify_set): Likewise.
9150 (simplify_logical): Likewise.
9151 (if_then_else_cond): Likewise.
9152 (known_cond): Likewise.
9153 (simplify_comparison): Likewise.
9155 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9157 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9158 sizeof (int) is larger than sizeof(__word__).
9160 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9162 * cppinit.c (do_includes): Fix typo.
9164 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9166 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9167 in S_REGS does not occur because not all sources are possible
9168 when a S_REGS is a destination (sometimes needs a clobber).
9169 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9170 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9171 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9172 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9173 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9174 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9175 (lshrdi_const1, lshrsi3_const16): Likewise.
9176 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9177 (*movhi_68hc12, *movqi_68hc12): Likewise.
9178 (movstrictqi): Make sure reloading in D_REGS as a destination
9181 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9183 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9185 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9187 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9188 -D, -U and -A, and don't initialize the builtins.
9189 (do_includes): Error if -include or -imacros with -fpreprocessed.
9190 * cppmain.c (cb_define, cb_undef): Unconditionally process
9192 * tradcpp.c (main): Fix typo.
9194 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9196 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9197 (read_name_map): Use IS_ABSOLUTE_PATH.
9198 * tradcpp.c (get_filename): Likewise.
9200 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9202 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9203 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9204 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9205 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9206 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9207 (cmphi_z_used): Don't use '@' for the output.
9208 (tstqi_z_used): Likewise.
9209 (cmpqi_z_used): Likewise.
9210 (one_cmplsi2): Likewise.
9212 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9214 * config/sh/sh.c (barrier_align): Recognize branch around far
9215 branch and redundant insn.
9217 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9219 * invoke.texi: Restore documentation of the drivers' switches -MD
9222 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9224 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9226 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9227 check-objc//%): Support parallel testing of multilibs.
9228 (TESTSUITEDIR): Set to testsuite by default, but override for
9230 (check-gcc, check-g++, check-g77, check-objc): Enter
9233 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9235 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9236 * sched-deps.c (deps_may_trap_p): Likewise.
9237 * basic-block.h: Remove a comment.
9238 * flow.c (PROP_POSTRELOAD): Remove.
9239 (update_life_info): Don't add it to prop_flags.
9240 (mark_set_1): Lose the code that was enabled by it.
9242 2001-01-11 Michael Hayes <mhayes@redhat.com>
9244 * flow.c (flow_call_edges_add): New.
9245 * basic_block.h (flow_call_edges_add): New.
9247 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9249 * reload1.c (move2add_note_store): Update reg_set_luid even if
9250 base reg remains the same.
9252 2001-01-10 Nick Clifton <nickc@redhat.com>
9254 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9255 machine_function structure to zero.
9256 Add prototypes for machine_status functions.
9258 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9260 * c-common.h (CTI_VOID_LIST): Remove.
9261 (void_list_node): Likewise.
9262 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9263 (void_list_node): New macro.
9264 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9265 * config/i386/i386.c (ix86_init_builtins): Likewise.
9266 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9268 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9270 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9271 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9273 * tradcpp.c: Include mkdeps.h.
9274 (deps, print_deps_phony_targets, deps_append, output_deps,
9275 init_dependency_output, output_deps): New.
9276 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9277 deps_output): Delete.
9278 (print_deps_missing_files): Rename deps_missing_files.
9279 (inhibit_output): Make global.
9280 (main): Delete inhibit_output, deps_stream, deps_target.
9281 Use mkdeps functionality in the same way as cpplib. Remove
9282 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9283 -M and -MM. Remove old handling of deps via deps_out, and
9284 old reading of environment variables.
9285 (get_filename): Update to use deps_add_dep.
9287 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9289 * output.h (make_function_rtl): Remove prototype.
9290 (make_decl_rtl): Likewise.
9291 * varasm.c (make_function_rtl): Remove.
9292 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9293 than from a third parameter.
9294 * tree.h (make_decl_rtl): Remove last parameter.
9295 * c-decl.c (builtin_function): Remove last argument in call to
9296 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9297 (start_function): Likewise.
9298 * except.c (call_get_eh_context): Likewise.
9299 * expr.c (emit_block_move): Likewise.
9300 (clear_storage): Likewise.
9301 * profile.c (output_func_start_profiler): Likewise.
9302 * toplev.c (rest_of_decl_compilation): Likewise.
9303 * objc/objc-act.c (create_builtin_decl): Likewise.
9304 (synth_module_prologue): Likewise.
9305 (generate_static_reference): Likewise.
9306 (build_selector_reference_decl): Likewise.
9307 (build_class_reference_decl): Likewise.
9308 (build_objc_string_decl): Likewise.
9309 (build_protocol_reference): Likewise.
9311 2001-01-10 Richard Henderson <rth@redhat.com>
9313 * hwint.h: Revert yesterday's change.
9315 2001-01-10 Nick Clifton <nickc@redhat.com>
9317 * function.h (save_machine_status): Delete.
9318 (restore_machine_status): Delete.
9319 Amend comment describing {init|mark|free}_machine_status.
9321 * function.c (save_machine_status): Delete.
9322 (restore_machine_status): Delete.
9323 Amend comment describing {init|mark|free}_machine_status.
9324 (push_function_context_to): Remove invocation of
9325 save_machine_status.
9326 (pop_function_context_from): Remove invocation of
9327 restore_machine_status.
9329 * emit-rtl.c (init_emit_once): Amend comment describing
9330 {init|mark|free}_machine_status.
9332 * tm.texi (Per-Function Data): New node. Describe the
9333 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9336 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9338 * cppinit.c (OPT_g): Remove.
9339 (cpp_handle_option): Update for removed -g3.
9340 (print_help): Update.
9341 * cpplib.h (struct cpp_options): Remove debug_output.
9342 * cppmain.c (setup_callbacks, cb_define): Update.
9343 * gcc.c (cpp_options): Translate -g3 to -dD.
9345 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9347 * config/i960/i960.md: Change modifier to + on the zero_extract
9348 pattern after the (rotate -2 reg) canonicalization pattern.
9350 2001-01-10 Richard Henderson <rth@redhat.com>
9352 * config/alpha/alpha.c (alpha_free_machine_status): New.
9353 (override_options): Install it.
9354 (alpha_mark_machine_status): Verify machine non-null.
9355 * config/i386/i386.c (ix86_free_machine_status): New.
9356 (override_options): Install it.
9357 (ix86_init_machine_status): Use xcalloc.
9358 (ix86_mark_machine_status): Verify machine non-null.
9359 * config/ia64/ia64.c (ia64_free_machine_status): New.
9360 (ia64_override_options): Install it.
9361 (ia64_mark_machine_status): Verify machine non-null.
9363 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9365 * function.c (instantiate_virtual_regs): Instantiate virtual
9366 registers found in CALL_INSN_FUNCTION_USAGE.
9368 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9370 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9371 equivalent to -ansi in disabling -Di386.
9373 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9375 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9377 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9379 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9381 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9383 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9385 * invoke.texi: Document that -fcond-mismatch isn't supported for
9388 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9390 * gcc.texi: Define macro gcctabopt.
9391 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9392 @command, @env and @option in some places where appropriate. Use
9393 @gcctabopt where appropriate. Put URLs and email addresses inside
9396 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9398 * gcc.c (cpp_options): Set MD file name from output
9399 filename, if specified.
9400 (suffix_subst): New static variable.
9401 (do_spec): Clear it.
9402 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9404 (give_switch): Handle suffix_subst.
9406 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9408 * invoke.texi: Fix another typo.
9410 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9412 * invoke.texi: Fix typo.
9414 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9416 * c-lang.c (lang_hooks): Update.
9417 (lang_decode_option): Remove.
9418 (lang_init_options): Rename c_init_options.
9419 * toplev.c (main): Use lang_hooks for lang_init_options
9420 and lang_decode_option.
9421 * toplev.h (lang_hooks): Add 2 new hooks.
9422 * tree.h: Remove lang_init_options and lang_decode_option.
9423 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9424 * cp/decl2.c: Similarly.
9425 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9426 (lang_hooks): Update.
9427 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9429 (lang_init_options): Rename ffe_init_options.
9430 (lang_hooks): Update.
9431 (lang_decode_option): Remove.
9432 * java/lang.c (lang_init_options): Rename java_init_options.
9433 (lang_decode_option): Rename java_decode_option.
9434 (lang_hooks): Update.
9435 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9436 (lang_decode_option): Rename objc_decode_option.
9437 (lang_hooks): Update.
9439 2001-01-09 Nick Clifton <nickc@redhat.com>
9441 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9442 (d30v_return_addr_rtx): Delete.
9443 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9444 cfun->machine structure.
9445 (struct machine_function): Move to d30v.h
9446 (d30v_save_machine_status): Delete.
9447 (d30v_restore_machine_status): Delete.
9448 (d30v_init_machine_status): New Function.
9449 (d30v_mark_machine_status): New Function.
9450 (d30v_free_machine_status): New Function.
9451 (d30v_init_expanders): Use new functions.
9452 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9453 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9454 d30v_return_addr_rtx.
9456 * config/d30v/d30v.h (struct_machine): Move here.
9457 Add eh_epilogue_sp_ofs field.
9459 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9460 field in cfun->machine structure.
9462 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9464 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9465 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9466 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9468 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9470 * objc/lang-options.h: Remove bogus reference to
9473 2001-01-09 Kazu Hirata <kazu@hxi.com>
9475 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9478 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9480 * reload.c (find_reloads_address): Check for eliminable registers
9481 when substituting a constant expression for a pseudo.
9483 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9485 * c-common.c (enum format_type): Add format_type_error.
9486 (decode_format_type): New function.
9487 (decl_attributes): Use it.
9488 (format_kind_info): Adjust comment.
9490 2001-01-09 David O'Brien <obrien@BSDi.com>
9492 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9493 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9495 * config/i386/gnu.h: Don't include required platform specific .h files,
9496 tm.h will do it instead.
9497 * config/i386/i386elf.h: Likewise.
9498 * config/i386/linux.h: Likewise.
9499 * config/i386/moss.h: Likewise.
9500 * config/mips/gnu.h: Likewise.
9502 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9504 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9505 (rs6000-ibm-aix3.[01]*): Likewise.
9506 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9507 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9508 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9509 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9510 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9511 (powerpc-*-eabiaix*): Likewise.
9512 (powerpc-*-eabisim*): Likewise.
9513 (powerpc-*-elf*): Likewise.
9514 (powerpc-*-eabi*): Likewise.
9515 (powerpc-*-rtems*): Likewise.
9516 (powerpc-*-linux*libc1): Likewise.
9517 (powerpc-*-linux*): Likewise.
9518 (powerpc-wrs-vxworks*): Likewise.
9519 (powerpcle-wrs-vxworks*): Likewise.
9520 (powerpcle-*-sysv*): Likewise.
9521 (powerpcle-*-elf*): Likewise.
9522 (powerpcle-*-eabisim*): Likewise.
9523 (powerpcle-*-eabi*): Likewise.
9524 (powerpcle-*-solaris2*): Likewise.
9525 * config/rs6000/aix31.h: Delete includes.
9526 * config/rs6000/aix3newas.h: Likewise.
9527 * config/rs6000/aix41.h: Likewise.
9528 * config/rs6000/aix43.h: Likewise.
9529 * config/rs6000/beos.h: Likewise.
9530 * config/rs6000/rtems.h: Likewise.
9531 * config/rs6000/sysv4.h: Likewise.
9533 2001-01-09 Kazu Hirata <kazu@hxi.com>
9535 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9536 Change an argument mode of machine_mode to shift_mode of
9537 shift_mode. Remove an extra error check.
9538 (emit_a_shift): Adopt to the new calling prototype of
9540 (function_prologue): Fix code for a monitor
9541 function. Support H8/S.
9542 (function_epilogue): Do not output pop for a monitor function.
9544 2001-01-09 Nick Clifton <nickc@redhat.com>
9546 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9547 (setup_incoming_varargs): Use sysv_varargs_p field of the
9548 cfun->machine structure.
9549 (struct machine_function): Move to rs6000.h
9550 (rs6000_save_machine_status): Delete.
9551 (rs6000_restore_machine_status): Delete.
9552 (rs6000_init_machine_status): New Function.
9553 (rs6000_free_machine_status): New Function.
9554 (rs6000_init_expanders): Use new functions.
9556 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9558 (struct machine_function): Move here.
9560 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9561 sysv_varargs_p field of the cfun->machine structure.
9563 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9565 (rs6000_restore_machine_status): Remove prototype.
9567 2001-01-09 Richard Henderson <rth@redhat.com>
9569 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9570 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9571 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9572 (sched_analyze_2, sched_analyze_insn): Likewise.
9573 (sched_analyze, init_deps): Likewise.
9574 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9575 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9576 (compute_block_backward_dependences): Update propagate_deps call.
9578 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9580 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9582 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9584 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9585 (cpp_handle_option): Handle them.
9586 (cpp_post_options): Ensure one of -M or -MM is specified with
9587 any other -M? option.
9588 (init_dependency_output): Suppress output with -MG.
9590 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9593 * invoke.texi: Update.
9595 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9597 * sh.md (reload_outsf): Generate recognizable patterns for
9600 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9602 * c-lang.c (lang_hooks): Update.
9603 (lang_init): Rename c_init.
9604 (lang_finish): Remove.
9605 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9607 * toplev.h (lang_hooks): Add init () and finish ().
9608 * tree.h (lang_init, lang_finish): Remove.
9609 * cp/tree.h (lang_init, lang_finish): Remove.
9610 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9611 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9613 (lang_init, lang_finish): Remove.
9614 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9615 (lang_hooks): Update.
9616 * java/lang.c (lang_init): Rename java_init.
9617 (lang_finish): Remove.
9618 (lang_hooks): Update.
9619 * objc/objc-act.c (lang_init): Rename objc_init.
9620 (lang_finish): Remove.
9621 (lang_hoooks): Update.
9623 20001-01-09 Graham Stott <grahams@redhat.com>
9625 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9626 after `ptr` is initialised.
9628 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9630 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9631 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9632 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9633 stack adjusts, instead of r3.
9635 2001-01-09 Michael Hayes <mhayes@redhat.com>
9637 * flow.c (flow_loop_scan): Break out of ...
9638 (flow_loops_find) ... here.
9639 * basic-block.h (flow_loop_scan): New.
9640 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9641 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9643 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9645 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9647 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9648 realloc()ing macro_buffer.
9650 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9651 if it's wider than long and the target's long is wider than the
9654 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9656 Remove support for using UWIN as a host machine.
9657 * configure.in: Issue an error message.
9658 * configure: Regenerated.
9659 * config.gcc: Remove xm_* UWIN configury.
9660 * config/i386/xm-uwin.h: Remove.
9662 2001-01-08 Nick Clifton <nickc@redhat.com>
9664 * config/v850/v850.c (ra_rtx): Delete.
9665 (v850_save_machine_status): Delete.
9666 (v850_restore_machine_status): Delete.
9667 (v850_init_machine_status): New function.
9668 (v850_mark_machine_status): New function.
9669 (v850_free_machine_status): New function.
9670 (v850_return_addr): Use ra_rtx field in machine structure.
9671 (v850_init_expanders): Use new functions.
9673 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9674 * config/v850/v850.c: Change arguments to v850_output+* functions
9675 to take a const char *, to avoid compile time warning.
9676 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9677 (USER_LABEL_PREFIX): Redefine.
9679 2000-01-08 Jim Wilson <wilson@redhat.com>
9681 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9682 1 to unsigned HOST_WIDE_INT before left shift.
9684 2001-01-08 Nick Clifton <nickc@redhat.com>
9686 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9687 the machine structure has been allocated.
9688 (arm_free_machine_status): New function: Free the machine
9689 specific function structure.
9691 2001-01-08 Richard Henderson <rth@redhat.com>
9693 * jump.c (simplejump_p): Revert last change.
9695 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9697 * cppinit.c (init): Rename init_library.
9698 (cpp_create_reader): Update.
9699 * gcc.c (cpp_options): If -o given, use it as the target of
9702 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9704 * arm.c (arm_arch5e): New variable.
9705 (all_cores): XScale is a 5TE device.
9706 (arm_override_options): Set arm_arch5e.
9707 (arm_init_builtins): __builtin_prefetch is in arch5e.
9708 * arm.h (arm_arch5e): Declare it.
9710 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9712 * arm.md (define_constants): Add defines for UNSPEC and
9713 UNSPEC_VOLATILE insns. Update all users.
9714 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9715 * arm.c (multi_register_push, note_invalid_constants)
9716 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9717 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9718 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9720 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9722 * jump.c (jump_optimize_1): Use reversed_comparison_code
9723 instead of can_reverse_comparison_p.
9724 (jump_back_p): Likewise.
9725 (invert_exp_1): Likewise.
9726 (thread_jumps): Likewise.
9727 * simplify-rtx.c (simplify_unary_operation): Likewise.
9728 (simplify_ternary_operation): Likewise.
9729 * cse.c (find_comparison_args): Convert to use
9730 can_reverse_comparison_p.
9731 (record_jump_equiv): Likewise.
9733 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9735 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9736 (EPILOGUE_USES): Define.
9737 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9738 automatically stack the LR if it isn't live.
9740 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9742 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9745 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9747 * ggc-page.c (max_alignment): New structure.
9748 (MAX_ALIGNMENT): New macro.
9749 (init_ggc): Use it to round up the sizes in the
9750 extra_order_size_table.
9752 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9754 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9757 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9759 * builtins.def (BUILT_IN_FPRINTF): New entry.
9761 * c-common.c (c_expand_builtin_fprintf): New function.
9762 (init_function_format_info): Handle __builtin_fprintf.
9763 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9764 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9766 * c-decl.c (duplicate_decls): Adjust comment.
9768 * extend.texi (fprintf): Document new builtin.
9770 2001-01-07 Richard Henderson <rth@redhat.com>
9772 * jump.c (simplejump_p): Recognize any single_set jump
9775 2001-01-07 Richard Henderson <rth@redhat.com>
9777 * configure.in (slibdir): Accept an --with-slibdir option.
9778 Use "test" not "[" in configure. Default to $(libdir).
9780 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9782 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9783 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9784 (SHLIB_LINK): Create links for the soname.
9785 * config/mips/t-iris6: Likewise.
9786 * config/sparc/t-slibgcc: Likewise.
9787 * config/sparc/t-slibgcc-sld: Likewise.
9789 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9791 * config/i386/i386.c (constant_call_address_operand): Accept
9792 (const (plus (symbol_ref) (const_int))).
9793 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9794 constant_call_address_operand.
9796 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9798 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9799 and LONG_LONG_TYPE_SIZE > 32.
9801 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9803 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9804 the previous change.
9806 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9808 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9810 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9811 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9812 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9815 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9817 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9819 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9821 * c-lang.c (c_post_options): Call cpp_post_options.
9822 * objc/objc-act.c (objc_post_options): Similarly.
9823 * cppmain.c (main): Similarly.
9824 * fix-header.c (read_scan_file): Similarly.
9825 * cppinit.c (cpp_start_read): Move option consistency checks
9826 to cpp_post_options. Don't call init_dependency_output.
9827 If needed, add default target and main file dependency.
9828 (OPT_MD, OPT_MMD): Remove.
9830 (cpp_handle_option): Update for OPT_* changes.
9831 (cpp_post_options): New.
9832 (init_dependency_output): Command line -MF overrides environment
9833 variables. Don't set default target etc. Suppress output
9834 if dependencies are going to stdout.
9835 (print_help): Update.
9836 * cpplib.h (cpp_post_options): New.
9837 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9839 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9841 * jump.c (comparison_dominates_p): Support unordered compares.
9843 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9845 * simplify-rtx.c (simplify_relational_operation): Always simplify
9846 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9849 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9851 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9852 (nonzero_bits): Likewise.
9853 (simplify_comparison): Likewise.
9854 (num_sign_bit_copies): Likewise; return more sane value depending
9855 on STORE_FLAG_VALUE.
9856 (known_cond): Do not assume EQ to be always true for equivalent
9859 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9861 * cse.c (fold_rtx): Handle unordered comparisons.
9863 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9865 * rtlanal.c (set_of_1): New static function.
9866 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9867 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9868 reg_set_last_last_regno): Remove.
9869 (set_of): New global function.
9870 (set_of_data): New structure.
9871 (reg_set_p, reg_set_last): Revamp for set_of.
9872 * rtl.h (set_of): New.
9874 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9876 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9877 * extend.texi: Document _Exit builtin.
9879 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9881 * (initialize, initialize_builtins,
9882 initialize_dependency_output, initialize_standard_includes):
9883 Rename s/initialize/init. Update.
9884 (init_dependency_output): Move to after
9885 cpp_handle_options, the correct location temporally at least.
9886 (opt_comp): Move next to init (), its caller. Fix prototype.
9887 (init): Make "initialized" local scope.
9888 (cpp_create_reader): Always call init ().
9889 (cpp_start_read): Update.
9890 (output_deps): New function, broken out of cpp_finish.
9891 (cpp_finish): Break out output_deps.
9893 2001-01-07 Richard Henderson <rth@redhat.com>
9895 * collect2.c (COFF specific stuff): Revert 12-06 patch
9896 to prototype system functions.
9898 2001-01-07 Michael Hayes <mhayes@redhat.com>
9900 * hard-reg-set.h: Add multiple include guard.
9901 * basic-block.h (struct loop): Add `sink' field.
9902 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9903 (emit_iv_add_mult): Delete.
9904 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9905 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9906 (unroll_loop): Remove end_insert_before argument.
9907 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9908 (maybe_eliminate_biv_1): Likewise.
9909 (emit_iv_add_mult): Delete.
9910 (gen_add_mult, loop_regs_update): New.
9911 (loop_insn_emit_after, loop_insn_emit_before): New.
9912 (loop_insn_sink, loop_insn_sink_or_swim): New.
9913 (emit_iv_add_mult): Delete.
9914 (scan_loop): Set loop->sink.
9915 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9916 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9917 (maybe_eliminate_biv_1): Likewise.
9918 (maybe_eliminate_biv_1): Add basic block argument.
9919 * unroll.c (unroll_loop): Remove end_insert_before argument.
9920 (find_splittable_regs): Likewise.
9921 (find_splittable_regs): Use loop_insn_sink and its ilk.
9922 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9924 2001-01-07 Michael Hayes <mhayes@redhat.com>
9926 * loop.h (loop_insn_hoist): New prototype.
9927 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9928 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9929 (check_dbra_loop, load_mems): Likewise.
9930 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9931 (find_splittable_givs): Likewise.
9933 2001-01-07 Michael Hayes <mhayes@redhat.com>
9935 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9937 2001-01-07 Richard Henderson <rth@redhat.com>
9939 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9941 2001-01-07 Richard Henderson <rth@redhat.com>
9943 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9944 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9945 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9946 variant that handles a shared libgcc.
9947 (process_command): Always validate -{static,shared}-libgcc.
9948 (do_spec_1): New 'M' case.
9949 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9951 2001-01-07 Richard Henderson <rth@redhat.com>
9953 * Makefile.in (slibdir): New variable.
9954 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9955 (installdirs): Create slibdir.
9956 (install-libgcc, install-multilib): Defer to libgcc.mk.
9957 * configure.in (slibdir): Substitute.
9958 * mklibgcc.in (install): New target.
9960 * config/t-linux (SHLIB_LINK): Create links for the soname.
9961 (SHLIB_INSTALL): New.
9962 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9963 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9964 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9965 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9966 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9968 2001-01-07 Richard Henderson <rth@redhat.com>
9970 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9971 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9972 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9974 2001-01-07 Michael Hayes <mhayes@redhat.com>
9976 * loop.c (count_loop_regs_set): Delete.
9977 (load_mems_and_recount_loop_regs_set): Delete.
9978 (loop_regs_scan): Merge common code from count_loop_regs_set,
9979 scan_loop, and load_mems_and_recount_loop_regs_set.
9980 (scan_loop): Call load_mems directly and loop_regs_scan
9981 again if new registers created.
9983 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9985 * toplev.c (main): Call the front-end specific post_options
9986 hook if one is given.
9987 * toplev.h (struct_lang_hooks, lang_hooks): New.
9988 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9989 for the C front end.
9990 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9991 lang_hooks for the C++ front end.
9992 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9993 lang_hooks for the ObjC front end.
9994 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9995 * java/lang.c (lang_hooks): Hooks for the Java front end.
9997 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9999 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10000 for verbose DWARF[2] debugging.
10001 (cb_define, cb_undef): The new callbacks.
10002 * toplev.h (debug_define, debug_undef): Make const correct.
10003 * toplev.c (debug_define, debug_undef): Similarly. Do not
10004 perform the verbosity tests here anymore.
10006 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10008 * reload.c (subst_reloads): Take INSN argument. When
10009 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10010 * reload.h (subst_reloads): Adjust prototype.
10011 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10012 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10013 present in JUMP_INSNs and copy them to JUMP_LABEL.
10014 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10015 JUMP_INSNs and insns with REG_LABELs that are followed by
10016 JUMP_INSNs with the same REG_LABEL.
10017 * sched-rgn.c (is_cfg_nonregular): Likewise.
10018 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10020 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10022 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10024 2001-01-06 Richard Henderson <rth@redhat.com>
10026 * loop.c (scan_loop): Use xcalloc for the regs array.
10027 (load_mems_and_recount_loop_regs_set): Zero the new memory
10028 received from xrealloc.
10030 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10032 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10034 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10036 * integrate.c (copy_rtx_and_substitute): When copying
10037 an ignored return value, strip REG_FUNCTION_VALUE_P.
10039 2001-01-06 Michael Hayes <mhayes@redhat.com>
10041 * loop.c (debug_biv, debug_giv): New.
10042 (loop_biv_dump): Break out from ...
10043 (record_biv): ... here.
10044 (loop_giv_dump): Break out from ...
10045 (record_giv): ... here.
10046 (loop_bivs_check): Use print_simple_rtl.
10047 * unroll.c (loop_iterations): Use print_simple_rtl.
10049 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10051 * pa.md (return, return_internal): Modify patterns to prevent regrename
10052 mucking with the return pointer.
10054 2001-01-05 Richard Henderson <rth@redhat.com>
10056 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10058 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10060 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10061 version supplied by Matteo Frigo.
10063 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10065 * cpp.texi: Update for -MQ.
10066 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10067 (cpp_cleanup): Always free pfile->deps.
10068 (initialize_dependency_output): Don't create pfile->deps.
10069 (cpp_handle_option): Similarly.
10071 * gcc.c (cpp_options): Handle -MQ.
10072 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10073 * mkdeps.c (base_name): Remove.
10074 (deps_init): Don't allocate vector space until it's needed.
10075 (deps_free): Only free vectors if allocated.
10076 (deps_add_target, deps_add_dep): Update for initial allocation.
10077 (deps_add_default_target): Don't strip to the base_name.
10079 2001-01-05 DJ Delorie <dj@redhat.com>
10081 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10082 (INIT_EXPANDERS): Define.
10084 * config/v850/v850.c (struct machine_function): Define.
10085 (v850_save_machine_status): New function.
10086 (v850_restore_machine_status): New function.
10087 (v850_return_addr): New function.
10088 (v850_init_expanders): New function.
10090 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10091 and v850_init_expanders.
10093 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10095 * cpplib.h (struct cpp_reader): Add help_only field.
10096 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10097 (cpp_handle_option): Set pfile->help_only if we see -h,
10098 --help, -target-help, or --version. Print version string but
10099 do not set help_only if we see -v or -version. Make text
10100 printed by -v match that printed by (-)-version.
10102 * cppmain.c (main): Exit after option parsing if
10103 pfile->help_only is true.
10105 * toplev.c (independent_decode_option): Call print_version,
10106 then exit, if we see --version (but not -version).
10107 (print_version): Split lengthy message into two lines.
10109 2001-01-05 Nick Clifton <nickc@redhat.com>
10111 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10112 temporary string for initialisation before calling ggc_alloc_string.
10114 2001-01-06 Michael Hayes <mhayes@redhat.com>
10116 * rtl.h (print_simple_rtl): New.
10117 * print-rtl.c (print_simple_rtl): New.
10118 (flag_simple): New.
10119 (print_rtx): Disable printing of flags and modes, etc.,
10120 if `flag_simple` nonzero.
10122 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10124 * function.c (fixup_var_refs): Use push_to_full_sequence where
10127 2001-01-05 Michael Meissner <meissner@redhat.com>
10129 * flags.h (flag_reorder_blocks): Add declaration.
10130 (flag_rename_block): Ditto.
10132 2001-01-05 DJ Delorie <dj@redhat.com>
10134 * function.c (reorder_blocks): Make sure the flags are all reset
10135 before using them to mark blocks, else a second invocation will
10136 corrupt the block chain.
10137 (reorder_blocks_0): New, resets the flags.
10139 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10141 * cse.c (find_comparison_args): Stop if the argument is known to
10144 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10146 * config/sh/sh.md (movdf): When splitting load into pair of
10147 registers, don't clobber the register used in the address too
10150 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10152 * varasm.c (mark_constant_pool): Improve initial comments.
10153 (mark_constants): Move marking of constants to mark_constant.
10154 (mark_constant): New function to recursively mark all constants
10155 referred to by a constant.
10157 2001-01-05 Catherine Moore <clm@redhat.com>
10159 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10161 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10163 * cp/lang-options.h: Bring comment in line with reality.
10164 * f/lang-options.h: Likewise.
10165 * java/lang-options.h: Likewise.
10166 * objc/lang-options.h: Likewise.
10167 * ch/lang-options.h: Likewise.
10168 * f/g77.texi: And update the manual.
10170 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10171 Denis Chertykov <denisc@overta.ru>
10173 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10174 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10175 * config/avr/avr.md (all peepholes that request a scratch register):
10176 Call it, FAIL the peephole if not safe (in interrupt functions).
10178 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10180 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10182 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10184 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10186 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10187 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10188 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10189 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10190 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10192 * extend.texi: Document these builtins.
10194 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10196 * c-common.c (lang_get_alias_set): Say we know nothing of
10197 VECTOR_TYPE aliasing.
10199 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10201 2001-01-05 Bruce Korb <bkorb@gnu.org>
10203 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10204 their x* equivalent versions for atexit-less systems
10205 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10206 systems (or any other system any more).
10208 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10210 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10211 output operands. Use arm_hard_register_operand for operand 4.
10212 (stmsi_postinc): Similarly.
10213 (ldmsi): Use arm_hard_register_operand for opernand 2.
10214 (stmsi): Similarly.
10215 * arm.c (arm_hard_register_operand): New function.
10216 * arm-protos.h (arm_hard_register_operand): Prototype it.
10218 * arm.h (HARD_REGNO_RENAME_OK): Define.
10220 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10222 * simplify-rtx.c (cfc_args): add "unordered" field.
10223 (check_fold_consts): Set unordered field.
10224 (simplify_relational_operation): Simplify the unordered
10227 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10230 * emit-rtl.c (try_split): Fix code to mark labels.
10231 * jump.c (mark_jump_label): Make global.
10232 * rtl.h (mark_jump_label): Declare.
10234 * predict.c (estimate_probability): Handle unordred comparisons.
10236 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10238 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10239 * cppinit.c (initialize_dependency_output): Update.
10240 (cpp_finish): Output dummy targets for -MP.
10242 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10243 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10244 * gcc.c (cpp_options): Update to handle -MP.
10245 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10246 to quote only the default target.
10247 (deps_phony_targets): Insert a preceding newline. Rename from
10248 deps_dummy_targets for consistency.
10251 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10253 * calls.c (emit_library_call_value_1): Support
10254 INIT_CUMULATIVE_LIBCALL_ARGS.
10255 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10257 2001-01-04 Richard Henderson <rth@redhat.com>
10259 * c-decl.c (finish_struct): Detect flexible array members
10260 used in an inappropriate context.
10261 * c-typeck.c (really_start_incremental_init): Special case
10262 constructor_max_index for zero length arrays.
10263 (pop_init_level): Allow initialization of flexible array
10264 members. Deprecate initialization of zero length arrays.
10265 Don't issue missing initializer warning for flexible array
10266 members or zero length arrays.
10267 (process_init_element): Don't dereference null DECL_SIZE.
10268 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10269 Don't abort for empty constructors. Use size_binop
10270 (output_constructor): Add commentary regarding zero length
10271 array futures. Abort if we try to initialize an array of
10272 unspecified length with a non-empty constructor in the middle
10275 * extend.texi (Zero Length): Update and clarify documentation
10276 on static initialization.
10278 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10280 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10281 with more than 32767 words of local storage.
10283 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10285 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10286 for 'abs', 'labs', and 'fabs'.
10287 (c4x_expand_builtin): Likewise.
10288 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10290 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10292 * config/sh/sh.md (prget, prset): New insn types.
10293 (return delay slot): Dont' allow prset.
10294 (call, sfunc delay slot): Don't allow prget.
10295 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10296 for prset and prget.
10298 2001-01-05 Michael Hayes <mhayes@redhat.com>
10300 * loop.h (struct loop_reg): New.
10301 (struct loop_regs): Change to use array of `struct loop_reg'.
10302 * loop.c: Replace assortment of varrays with single regs array.
10303 (count_one_set): Delete may_not_move array argument
10304 and use regs array instead. All caller's changed.
10305 (count_loop_regs_set): Delete may_not_move and single_usage
10306 arguments and use regs array instead. All caller's changed.
10307 (find_single_use_in_loop): Replace usage array argument with pointer
10308 to regs structure. All caller's changed.
10309 (loop_optimize): Delete `moved_once' array.
10311 2001-01-05 Michael Hayes <mhayes@redhat.com>
10313 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10314 Use it instead of loop_info->has_call for scanning loop mems.
10315 (check_dbra_loop): Replace loop_info->has_call test with
10316 loop_info->has_nonconst_call.
10318 2000-01-04 Matthew Hiller <hiller@redhat.com>
10320 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10323 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10325 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10326 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10328 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10330 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10331 (flag_short_double, flag_short_wchar): Define.
10332 (c_common_nodes_and_builtins): Create many tree nodes shared
10333 between C and C++ here instead of in cp/decl.c and ...
10334 * c-decl.c (init_decl_processing): ... here.
10335 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10336 (flag_short_double, flag_short_wchar): Don't define.
10337 (record_builtin_type): New function.
10338 (build_void_list_node): New function.
10339 * c-common.h (flag_short_double, flag_short_wchar,
10340 record_builtin_type, build_void_list_node): Declare.
10342 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10344 * integrate.c (expand_inline_function): Don't put a virtual
10345 register into the reg map.
10347 * function.c (fixup_var_refs_1): If force_operand didn't put
10348 the address into the target, move it there.
10350 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10352 Special-case tree_decl/tree_list allocations.
10353 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10354 (OBJECT_SIZE): New macro.
10355 (NUM_EXTRA_ORDER): Likewise.
10356 (extra_order_size_table): New variable.
10357 (NUM_ORDERS): New macro.
10358 (objects_per_page_table): New variable.
10359 (object_size_table): New variable.
10360 (G.pages): Use NUM_ORDERS to bound the array.
10361 (G.page_tails): Likewise.
10362 (DIV_ROUND_UP): Remove.
10363 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10364 (alloc_page): Use OBJECT_SIZE.
10365 (size_lookup): Don't make it const.
10366 (ggc_alloc): Use OBJECT_SIZE.
10367 (ggc_set_mark): Likewise.
10368 (ggc_get_size): Likewise.
10369 (init_ggc): Set up the object_size_table, objects_per_page_table,
10370 and adjust size_lookup.
10371 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10372 (ggc_pop_context): Use NUM_ORDERS.
10373 (clear_marks): Likewise.
10374 (sweep_pages): Likewise.
10375 (poison_pages): Likewise.
10376 (ggc_print_statistics): Use OBJECT_SIZE.
10378 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10380 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10381 Only call array_size_for_constructor if last field and array type
10382 with no upper bound.
10384 2001-01-04 Philip Blundell <philb@gnu.org>
10386 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10387 from bit 31 downwards, if this requires no more insns.
10388 (count_insns_for_constant): New helper function for above.
10390 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10392 * gencodes.c (output_predicate_decls): Remove empty initializer.
10394 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10396 * tree.c (copy_node): Remove documentation about obstacks.
10397 (buidl1): Check that nobody tries to build 2-argument nodes this
10400 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10402 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10405 * gencodes.c (output_predicate_decls): Fill empty initializer
10408 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10410 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10411 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10413 (do_include): Handle missing headers like cpp0.
10414 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10415 paths with first include pathname. Don't strcat to uninitialized
10418 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10420 * regrename.c (regrename_optimize): Don't rename from frame pointer
10421 if frame_pointer_needed.
10422 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10423 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10424 (ia64_reorg): Use it instead of scheduling if ! optimize.
10425 (errata_emit_nops): Properly call asm_noperands.
10426 (ia64_sched_reorder): Finish cycle if we see an asm.
10427 (ia64_variable_issue): Clear scheduling state after asms.
10429 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10431 * cpp.texi: Update for -MT.
10432 * cppinit.c (initialize_dependency_output): Add a default
10433 target if none has been given already.
10434 (no_tgt, OPT_MT): New.
10435 (cpp_handle_option): Handle -MT. Update -M etc.
10436 * cpplib.h (struct cpp_options): Remove deps_target.
10437 * gcc.c (cpp_options): Handle -MT.
10438 * mkdeps.c (struct deps): Move from mkdeps.h.
10439 (deps_calc_target): Rename deps_add_default_target. Add a
10440 default target if none has been specified already.
10441 * mkdeps.h (struct deps): Move to mkdeps.c.
10442 (deps_calc_target): Rename deps_add_default_target.
10444 2000-01-03 Richard Henderson <rth@redhat.com>
10446 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10448 * c-typeck.c (push_init_level): Move checks for flexible array
10449 members and zero length arrays ...
10450 (pop_init_level): ... here. Silently discard empty initializations.
10452 * varasm.c (output_constructor): Update for sizeof change to
10453 zero-length arrays.
10455 * extend.texi (Zero Length): Clarify semantics.
10457 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10459 * configure.in (tm.h): Include isns-codes.h last.
10460 * configure: Rebuilt.
10462 2001-01-03 Richard Henderson <rth@redhat.com>
10464 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10465 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10467 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10469 * tradcpp.c (main): Make sure finclude() is called with a valid
10470 indepth value while handling -include.
10472 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10474 * gencodes.c (output_predicate_decls): New function.
10476 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10477 even if it is not the first time machmode.h is #included.
10478 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10479 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10480 * gcc.texi (Copyright): Added 2001.
10482 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10484 * c-common.c (c_common_lang_init): New function. Warn if format
10485 warning options which only have effects when used with -Wformat
10486 are used without -Wformat.
10487 * c-common.h (c_common_lang_init): Declare.
10488 * c-lang.c (lang_init): Call c_common_lang_init.
10489 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10491 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10493 * configure.in: Check for the mktemp command.
10494 * configure: Regenerate.
10495 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10496 $TEMP. Create temporary files with mktemp, if available at
10497 configure time; otherwise use set -C. Remove temporary files
10500 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10502 * configure.in: Require at least texinfo 4.0. Check for whether
10503 Pod::Man is sufficiently recent to regenerate GCC manpages.
10504 * configure: Regenerate.
10505 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10507 (GENERATED_MANPAGES): Define.
10508 (generated-manpages): New target. Depend on cpp.1 as well as
10510 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10511 configure to generated-manpages or empty) rather than on the
10512 manpages directly. Remove execute permission from installed
10513 gcov.1 as well as cpp.1.
10514 * cpp.1, gcov.1: Regenerate.
10516 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10518 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10519 tree_low_cst. Allow using cmpstrsi in more cases.
10521 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10523 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10526 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10528 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10529 * Makefile.in (HOST_CFLAGS): Mention build-make.
10531 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10533 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10536 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10538 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10541 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10544 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10545 reg_base_value and reg_known_value arrays.
10546 (init_alias_analysis): Add more cases to detect known values.
10547 * sched-deps.c (deps_may_trap_p): New function.
10548 (sched_analyze_2): Use it.
10550 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10552 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10553 don't discard an ASHIFTRT if we're shifting in a wider mode.
10555 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10557 * toplev.c (rest_of_compilation): Don't print basic block information
10558 when CFG isn't up to date.
10560 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10562 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10563 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10564 (UNALIGNED_SHORT_ASM_OP): Define.
10565 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10567 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10569 * fold-const.c (fold_convert): Fix typo.
10571 2001-01-02 Richard Henderson <rth@redhat.com>
10573 * c-common.h (ASM_INPUT_P): New.
10574 * c-parse.in (asm): Set it when needed.
10575 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10576 existance of an operand.
10578 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10580 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10581 (dwarf2out_frame_debug_expr): Likewise.
10582 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10584 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10586 * i386.c (ix86_split_to_parts): Return number of part required;
10588 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10590 (ix86_split_long_move): Use number of part returned
10591 by ix86_split_to_parts
10592 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10594 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10595 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10596 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10597 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10598 (ALIGN_MODE_128): Add TFmode.
10599 (IS_STACK_MODE): Likewise.
10600 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10601 (HARD_REGNO_OK): Support TFmodes.
10602 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10603 * i386.md (scheduler definitions): Use memory operand to determine
10604 fst/fld instructions; use mode attribute to determine real mode of
10606 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10607 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10609 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10611 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10613 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10615 * expr.c (store_constructor_field): Update ALIGN before calling
10618 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10620 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10623 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10625 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10628 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10630 * c-decl.c (start_function): Don't warn on third parameter to main.
10632 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10634 * tsystem.h: Define HAVE_DECL_GETOPT.
10636 2001-01-02 Philip Blundell <pb@futuretv.com>
10638 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10641 2001-01-02 Richard Henderson <rth@redhat.com>
10643 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10645 2001-01-02 Andreas Jaeger <aj@suse.de>
10647 * c-decl.c (c_decode_option): Remove support of
10648 -Wmissing-noreturn.
10650 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10651 (W_options): Add -Wmissing-noreturn here.
10653 * flow.c: Define lang_missing_noreturn_ok_p.
10654 (check_function_return_warnings): Use it.
10656 * c-common.h: Declare lang_missing_noreturn_ok_p.
10658 * c-lang.c (c_missing_noreturn_ok_p): New function.
10659 (lang_init): Set lang_missing_noreturn_ok_p.
10661 * invoke.texi (Warning Options): Document this.
10663 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10665 * extend.texi (C++ Extensions): New node for C++ attributes;
10666 describe init_priority and com_interface.
10667 * invoke.texi: Remove -finit-priority as it now has zero effect.
10668 * install.texi: Fix xref syntax.
10669 * md.texi: Likewise.
10671 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10673 * config.gcc (sparc64-wrs-vxworks*): New case.
10674 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10676 * config/sparc/sparc.c (sparc_override_options): Do support different
10677 pointer and architecture size.
10678 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10679 (POINTERS_EXTEND_UNSIGNED): Define.
10680 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10681 (FUNCTION_MODE): Define to be Pmode.
10682 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10684 * function.c (expand_function_end): Properly handle DECL_RESULT
10685 and copy when ptr_mode != Pmode.
10686 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10688 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10690 * c-common.c (c_common_nodes_and_builtins): Set prototype
10691 parameters for __builtin_fputs, __builtin_fputc and
10692 __builtin_fwrite. Don't declare plain fputc as a builtin.
10694 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10696 * loop.c (add_label_notes): Increment the label usage count when
10697 a note is added to an insn which refers to a CODE_LABEL.
10698 * gcse.c (add_label_notes): Likewise.
10700 2001-01-01 Andreas Jaeger <aj@suse.de>
10702 * loop.c (scan_loop): Use xmalloc to allocate movables.
10704 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10706 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10707 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10708 * reload1.c (REGISTER_MOVE_COST): Likewise.
10709 * regclass.c (REGISTER_MOVE_COST): Likewise.
10710 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10711 dimension. Adjust all users.
10712 (init_reg_sets_1): Iterate on all modes.
10713 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10714 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10715 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10716 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10717 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10718 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10719 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10720 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10721 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10722 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10723 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10724 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10725 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10726 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10727 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10728 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10729 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10730 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10731 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10732 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10733 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10734 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10735 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10736 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10737 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10738 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10739 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10741 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10743 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10744 arg VARIES_P. Call it with extra arg.
10745 (true_dependence): Likewise.
10746 * rtl.h (rtx_addr_can_trap_p): Declare.
10747 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10749 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10750 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10751 pic offset table register if it's zero. All callers changed.
10752 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10754 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10756 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10757 STRING_POOL_ADDRESS_P.
10759 * config/sparc/sparc.c (input_operand): Properly test for short op.
10761 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10762 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10763 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10764 * config/sparc/elf.h: No longer include sol2.h.
10765 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10766 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10768 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10770 2001-01-01 Michael Hayes <mhayes@redhat.com>
10772 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10773 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10774 (record_initial): Likewise.
10775 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10776 (remap_split_bivs): Likewise.
10778 2001-01-01 Michael Hayes <mhayes@redhat.com>
10780 * loop.c (loop_ivs_free): New function.
10781 (strength_reduce): Break out from...
10783 2001-01-01 Michael Hayes <mhayes@redhat.com>
10785 * loop.h (struct iv): New.
10786 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10787 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10788 'reg_biv_class' fields with 'regs' and 'n_regs'.
10789 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10790 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10791 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10793 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10795 * resource.c (mark_referenced_resources): Abort() before
10796 attempting to mark a pseudo register.
10797 (mark_set_resources): Likewise.
10799 2001-01-01 Michael Hayes <mhayes@redhat.com>
10801 * loop.h (REG_IV_CLASS): New accessor macro.
10802 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10803 * unroll.c (REG_IV_CLASS): Likewise.
10805 See ChangeLog.4 for earlier changes.