1 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
4 * cpphash.c (_cpp_lookup_with_hash): Similarly.
5 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
6 cpp_spell_token, cpp_output_token): Similarly.
7 * cpplib.c (lex_macro_node, do_undef, do_pragma,
8 do_pragma_poison, parse_assertion, do_assert): Similarly.
9 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
10 save_parameter, _cpp_create_definition, check_trad_stringification,
11 cpp_macro_definition): Similarly.
12 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
13 * c-lex.c (cb_undef, c_lex): Similarly.
14 * fix-header.c (recognized_function): Similarly.
15 * cpplib.h (NODE_LEN, NODE_NAME): New.
16 (cpp_hashnode): Rename length len.
18 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
20 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
23 2001-05-16 Andreas Jaeger <aj@suse.de>
25 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
27 * toplev.c: Include dwarf2asm.h for prototype of
28 dw2_output_indirect_constants.
30 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
32 * stmt.c (expand_asm_operands): Be able to offload addressof
33 expression to memory. (PR optimization/185)
35 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
37 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
38 applying distributive law.
40 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
42 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
44 * gthr-dce.h (UNUSED): Attribute unused macro.
45 (__gthread_key_dtor): Make arguments UNUSED.
46 (__gthread_key_delete): Revise for compatibility with DRAFT4
49 2001-05-16 David Edelsohn <edelsohn@gnu.org>
51 * doc/install.texi: Update AIX information.
52 * README.RS6000: Remove obsolete file.
54 2001-05-16 Jakub Jelinek <jakub@redhat.com>
55 Nathan Sidwell <nathan@codesourcery.com>
57 * gcc.c (give_switch): Don't write before start of string.
60 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
62 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
65 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
67 * README.ALTOS: Remove obsolete file.
69 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
71 * c-lex.h (save_and_forget_protocol_qualifiers,
72 forget_protocol_qualifiers, remember_protocol_qualifiers):
73 Remove deleted functions' prototypes.
75 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
77 * c-parse.in (methodtype): New production.
78 (methoddef, methodproto): Collapse separate '-' and '+'
81 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
83 * c-common.h (RID_FIRST_PQ): New.
84 * c-parse.in (objc_pq_context): New.
85 (objc parser): Set objc_pq_context rather than calling
86 remember_protocol_qualifiers and forget_protocol_qualifiers.
87 Don't call save_and_forget_protocol_qualifiers.
88 (yylexname): Handle objc protocol qualifiers here.
89 * stringpool.c (struct str_header): Replace with sp_hashnode.
90 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
91 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
92 Allocate an IDENTIFIER_NODE for each identifier.
93 (FORALL_STRINGS, set_identifier): Delete.
94 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
95 (ggc_alloc_string): Use an obstack.
96 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
97 * tree.h: Update comments.
98 (set_identifier): Delete.
99 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
100 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
101 remember_protocol_qualifiers): Delete.
103 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
105 * flow.c (life_analysis): After life analysis is complete, do
106 an optional scan over insns looking for REG_LABEL notes that
107 reference a deleted label.
108 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
109 before peeking at LABEL_NUSES.
111 2001-05-15 Richard Henderson <rth@redhat.com>
113 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
114 (_Unwind_GetTextRelBase): New.
116 2001-05-15 Mark Mitchell <mark@codesourcery.com>
118 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
120 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
122 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
123 so that CHOOSE_SECTION gets used.
125 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
126 TARGET_RELOCATABLE like flag_pic for now.
128 2001-05-15 David Edelsohn <edelsohn@gnu.org>
130 * rs6000.md (movdi splitter): Sign extend more efficiently.
131 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
132 to "long long" valid on 32-bit and 64-bit hosts.
133 (logical_operand): Cast trunc_int_for_mode return value.
134 (rs6000_emit_move): Shift macro to encapsulate variable.
135 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
136 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
137 plus_constant requires signed argument.
139 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
141 * gthr-posix.h: Make additional pthread-* functions weak.
143 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
145 * recog.c (apply_change_group): Avoid unneeded validating.
147 2001-05-14 David Edelsohn <edelsohn@gnu.org>
149 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
150 (num_insns_constant): CONST_INT can be 64-bits.
152 2001-05-14 Stan Shebs <shebs@apple.com>
154 * config/darwin.h (LIB_SPEC): Just use -lSystem.
155 (LIBGCC_SPEC): Don't define.
157 2001-05-14 Richard Henderson <rth@redhat.com>
159 * configure.in (gcc_cv_as_eh_frame): New test.
160 * config.in, configure: Rebuild.
161 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
163 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
165 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
166 extended precision divide.
168 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
170 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
173 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
175 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
176 (CPP_CPU??_SIZE_TYPE): New.
177 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
178 (CPP_CPU_SPEC): ... here; support choosing of CPU.
179 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
180 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
182 * i386.c (override_options): Add sorry about not suported modes.
184 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
186 * config/pa/som.h (NM_FLAGS): Remove.
187 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
188 (ASM_OUTPUT_SECTION_NAME): Remove.
189 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
191 2001-05-14 Mark Mitchell <mark@codesourcery.com>
193 * regrename.c (regrename_optimize): Do not rename registers to
196 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
198 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
199 contain MEMs. Remove useless distinction about clobbering
202 2001-05-13 Geoff Keating <geoffk@redhat.com>
204 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
205 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
206 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
207 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
208 (EXCEPTION_SECTION): Define.
210 2001-05-13 Zack Weinberg <zackw@stanford.edu>
212 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
213 binary backward compat only.
214 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
215 in LIB2FUNCS. Pass it to mklibgcc.
216 * mklibgcc.in: Handle LIB2FUNCS_ST.
218 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
220 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
222 * tm.texi (THREAD_MODEL_SPEC): Document it.
223 * gcc.c (main): Use it.
224 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
225 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
227 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
229 * rtl.h (SYMBOL_REF_WEAK): New macro.
230 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
231 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
232 * rtl.texi (SYMBOL_REF_WEAK): Document it.
233 * gcc.texi: Remove wrong description.
235 2001-05-13 Mark Mitchell <mark@codesourcery.com>
237 * Makefile.in (STAMP): New macro.
238 Replace all uses of `touch' with $(STAMP).
239 * fixinc/Makefile.in: Likewise.
241 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
243 * configure.in: ldopen is never in -lexc, so don't test for it.
244 Add test for exc_resume in -lexc for Ada.
245 * configure: Regenerated.
247 2001-05-12 Richard Henderson <rth@redhat.com>
249 * dwarf2asm.c (size_of_encoded_value): New function.
250 * dwarf2asm.h: Declare it.
251 * except.c (output_function_exception_table): Align the TType
252 array only as wide as the encoding.
254 2001-05-12 Zack Weinberg <zackw@stanford.edu>
256 * extend.texi: Document #pragma GCC java_exceptions.
258 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
260 * c-parse.in (bison parser, init_reswords): Remove uses of
262 * c-tree.h (doing_objc_thang): Remove.
264 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
266 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
267 about files not ending in newlines.
269 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
271 * dwarfout.c (dwarfout_init): Add cast.
272 * sched-deps.c (sched_analyze_insn): Remove unused vars.
273 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
275 * method.c (build_mangled_C99_name): Remove unused prototype.
277 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
279 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
281 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
283 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
284 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
286 2001-05-11 Richard Henderson <rth@redhat.com>
288 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
289 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
290 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
291 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
292 (dw2_output_indirect_constants): Prototype.
293 * dwarf2out.c (dwarf2out_begin_prologue): Generate
294 current_function_func_begin_label if we'll need it for EH. Exit
295 early for IA64_UNWIND_INFO.
296 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
297 (eh_data_format_name): Update for indirect references.
298 (output_function_exception_table): Care for IA64_UNWIND_INFO.
299 Handle ASM_PREFERRED_EH_DATA_FORMAT.
300 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
301 define HAVE_eh_return etc.
302 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
303 (final_end_function): Don't call output_function_exception_table.
304 * toplev.c (compile_file): Call dw2_output_indirect_constants.
305 (rest_of_compilation): Invoke output_function_exception_table
306 for ia64 before assemble_end_function.
307 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
308 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
310 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
311 * unwind.h: Declare them.
312 * libgcc-std.ver: Export them.
313 * unwind-pe.h: New file.
315 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
317 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
319 (find_fde_for_dso): Extract DT_PLTGOT.
320 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
321 the segment and gp as well.
322 * config/ia64/frame-ia64.c: Remove file.
323 * config/ia64/frame-ia64.h: Remove file.
324 * config/ia64/unwind-ia64.c: New file.
325 * config/ia64/unwind-ia64.h: New file.
326 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
327 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
328 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
329 (ASM_PREFERRED_EH_DATA_FORMAT): New.
330 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
331 (IA64_UNWIND_INFO): Re-enable.
332 (HANDLER_SECTION): Remove.
333 (EH_RETURN_DATA_REGNO): New.
334 * config/ia64/ia64.md (exception_receiver): Remove.
335 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
336 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
338 2001-05-11 Richard Henderson <rth@redhat.com>
340 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
341 calls and jumps to be bundled together.
342 (ia64_reorg): Emit a break after a noreturn call that ends
344 * config/ia64/ia64.md (break_f): New.
346 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
348 * c-lex.c (lex_charconst): Convert into a simple wrapper
349 around cpp_interpret_charconst, to which most of the code
351 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
352 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
353 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
354 (lex): Use cpp_interpret_charconst.
355 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
356 hex_digit_value): New functions.
357 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
358 * cpplib.h (cpp_interpret_charconst): New prototype.
359 * Makefile.in: Update.
361 2001-05-12 Dean Wakerley <dean@wakerley.com>
363 * doc/install.texi: New file. Converted to texinfo from the HTML
364 documentation in wwwdocs/htdocs/install.
366 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
368 * gcse.c (insert_insn_end_bb): Do not search for assignments to
369 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
371 * toplev.c (compile_file): Move comment for opening output
372 file to just before the code that opens the output file.
374 2001-05-11 Jakub Jelinek <jakub@redhat.com>
376 * regmove.c (regmove_optimize): Suppress the optimization for
377 unchanging destination register. Add comment above function.
379 2001-05-11 Zack Weinberg <zackw@stanford.edu>
381 * Makefile.in: Exterminate all references to assert.h.
382 * cross-make: Likewise.
384 * configure.in: Correct commentary.
385 * configure: Regenerate.
387 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
390 * config/t-freebsd, config/t-linux, config/t-linux-aout,
391 config/t-netbsd, config/t-rtems, config/x-linux,
392 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
393 No need to override INSTALL_ASSERT_H.
395 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
396 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
397 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
399 2001-05-11 Graham Stott <grahams@redhat.com>
401 * combine.c (simplify_comparison): Fix typo.
403 2001-05-11 Mark Mitchell <mark@codesourcery.com>
405 * loop.h (struct movables): Remove `num'.
406 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
407 Adjust call to strength_reduce.
408 (num_unmoved_movables): New function.
409 (move_movables): Don't set movables->num.
410 (strength_reduce): Compute the number of instructions in the loop
411 here, rather than in the caller.
412 (check_dbra_loop): Always clear reversible_mem_store if there
414 (loop_regs_scan): Don't count instructions here.
415 (count_insn_in_loop): New function.
417 2001-05-11 Mark Mitchell <mark@codesourcery.com>
419 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
421 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
423 * c-common.c (finish_label_expr): New function, lifted from
425 * c-common.h (finish_label_expr, lookup_label): New prototypes.
426 * c-parse.in: Move 3 blocks of parser code into new functions.
427 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
428 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
429 (lookup_label): Remove.
431 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
433 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
434 FLOAT_BIT_ORDER_MISMATCH.
436 2001-05-10 David Edelsohn <edelsohn@gnu.org>
438 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
439 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
441 2001-05-10 David Edelsohn <edelsohn@gnu.org>
443 * expr.c (emit_group_load): extract_bit_field requires a REG or
446 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
448 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
449 a computed jump into an unconditional jump.
450 In second hunk of code for collapsing computed and conditional jumps
451 into unconditional jumps, reemit the jump in additional cases.
453 * jump.c (jump_optimize_1): Do not wrap the new jump target
454 inside a LABEL_REF; gen_jump will do that automatically.
456 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
458 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
459 contents for a SYMBOL_REF in case of floating point constants.
461 2001-05-10 DJ Delorie <dj@redhat.com>
463 * c-common.c (combine_strings): Widen strings in a
464 host-endian-independent way.
466 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
468 * c-parse.in: Remove many shift/reduce conflicts. Update
470 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
471 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
472 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
473 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
474 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
475 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
476 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
477 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
478 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
479 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
480 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
481 typespec_reserved_nonattr, typespec_reserved_attr,
482 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
483 structsp_nonattr, components_notype, component_notype_declarator,
484 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
485 firstparm, setspecs_fp): New
486 (typed_declspecs, reserved_declspecs, typed_typespecs,
487 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
488 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
489 declmods_no_prefix_attr, nonempty_type_quals, structsp,
490 type_quals): Remove. Users updated.
491 (initdecls, notype_initdecls, after_type_declarator,
492 parm_declarator, notype_declarator, absdcl1, components, ivars):
493 Don't allow attributes at the start of a declarator; include them
494 in the production containing the declarator instead. Always
495 require type specifiers before trying to redeclare a typedef name.
496 (typename): Allow for attributes but warn that they are ignored.
497 (parmlist, firstparm, setspecs_fp): Include attributes in
498 parmlist; suck them off the parser stack in firstparm using
501 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
503 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
504 to determine if a block has an unconditional jump at its end.
506 * jump.c (jump_optimize_1): When converting a conditional jump
507 to an unconditional jump, build the jump using gen_jump instead
508 of just modify operands in-place.
510 2001-05-09 Zack Weinberg <zackw@stanford.edu>
512 * cppinit.c (cpp_post_options): Shut off macro expansion if
514 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
515 IN_I directives only if the # is in column 1 and the directive
516 name begins in column 2.
517 * cppmain.c (scan_buffer): Insert a space between # and an
518 identifier, when that identifier is a directive name.
520 * tradcpp.c (struct file_buf): Add a pointer to the next entry
521 in the header search path.
522 (enum node_type): Add T_INCLUDE_NEXT.
523 (directive_table): Add entry for include_next.
524 (do_include_next): New function.
525 (process_include): New routine, broken out of do_include.
526 (finclude): Insert 'nhd' argument, to be copied into
527 next_header_dir of the new buffer.
528 (main): Adjust to match.
529 * gsyslimits.h, limity.h: Un-indent #include_next.
531 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
533 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
534 inclusion as a chapter of the GCC manual.
535 * gcc.texi: Include objc.texi.
536 * fdl.texi: Use @unnumberedsec for the addendum.
537 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
539 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
541 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
543 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
545 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
546 handling of two-address insns.
548 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
550 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
551 ../binutils/nm-new instead of ../binutils/nm.
553 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
555 * i386.md (movdi splitter): Fix the splitting condition
556 (float_extenddftf splitter): Fix mode.
558 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
560 * genrecog.c (write_switch): Avoid outputting of switch for
561 types wider than int.
563 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
565 * reload1.c (copy_eh_notes): New function.
566 (emit_input_reload_insns): Call it.
567 (emit_output_reload_insns): Call it.
569 2001-05-07 Zack Weinberg <zackw@stanford.edu>
571 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
573 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
574 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
576 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
578 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
580 * pa.md (interspace_jump): Revise comment.
581 (builtin_longjmp): Block initial setup insns from delay slot of
583 (builtin_setjmp_receiver): New expander to save and restore PIC
586 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
588 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
590 * toplev.c (compile_file): Set up the output file before we call
591 the various initializers for the compiler.
593 * except.c (sjlj_mark_call_sites): Do not search for assignments to
594 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
596 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
597 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
599 2001-05-06 Zack Weinberg <zackw@stanford.edu>
601 * Makefile.in (tradcpp0): Correct typo in dependency list.
603 2001-05-06 Geoff Keating <geoffk@redhat.com>
605 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
606 the link register if we're not going to use it.
608 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
609 (output_function_profiler): Likewise.
611 2001-05-07 Alan Modra <amodra@one.net.au>
613 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
615 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
617 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
618 zero-extend it. Make abs_inc unsigned.
620 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
621 widest mode in narrowing and widening operations.
623 * config/mips/mips.md: Sign extend CONST_INTs.
625 2001-05-06 Andreas Jaeger <aj@suse.de>
627 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
628 (i386 Options): Document -momit-leaf-frame-pointer.
630 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
632 * c-typeck.c (internal_build_compound_expr): Check for
633 array to pointer conversion just once.
635 2001-05-05 Richard Henderson <rth@redhat.com>
637 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
639 2001-05-05 Richard Henderson <rth@redhat.com>
641 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
642 to the parent of the fixup region.
644 2001-05-05 Jakub Jelinek <jakub@redhat.com>
646 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
648 * cpp.texi (__NO_INLINE): Document it.
650 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
652 * cppfiles.c (struct include_file): New member err_no.
653 (find_or_create_entry): Set it.
654 (open_file): Don't set fds to -2. Instead, use err_no to
655 remember previous errors, if any.
657 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
659 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
660 between X and Y by using sequences of xgdx and xgdy.
662 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
664 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
665 of '!' for the 'D' alternative ('!' is too strong).
666 ("*logicalsi3_silshl16"): Likewise.
667 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
668 ("movstrictsi"): Remove spurious '+'.
669 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
670 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
671 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
674 2001-05-04 David Edelsohn <edelsohn@gnu.org>
676 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
678 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
680 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
683 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
685 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
688 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
690 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
691 soft register, use ror instead of rol.
693 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
695 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
696 into account pre/post increment decrement for 68HC12.
697 Fix other problems in replacement and fix call to reg_mentioned_p.
699 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
701 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
702 Put the soft registers in bss for 68HC12.
703 (L_regs_d3_4): New for _.d3 and _.d4.
704 (L_regs_d5_6): Likewise.
705 (L_regs_d1_2): Likewise.
706 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
708 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
710 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
711 to the pre-processor when -fshort-double is specified.
712 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
714 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
716 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
717 (__mulsi3): Rewrite for 68HC12.
718 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
719 Mark 'x' constraint with earlyclobber to prevent a
720 RELOAD_FOR_OTHER_ADDRESS to go in it.
721 (mulhi3_m68hc12): New pattern.
722 (mulhi3_m68hc11): Rename of mulhi3.
723 (mulhi3): New expand for 68HC12 optimisation.
724 (umulhisi3, mulhisi3): New patterns for 68HC12.
726 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
728 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
729 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
730 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
732 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
734 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
735 constants cheap after reload.
736 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
738 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
739 so that gcc prefers a shift by 16.
740 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
742 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
744 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
746 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * alpha.h: NULL_PTR -> NULL.
758 * m68hc11.h: Likewise.
759 * rs6000.h: Likewise.
770 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
772 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
773 `bool' parameter to `int'.
775 * hash.c (hash_lookup): Likewise.
777 * hash.h (hash_lookup): Likewise.
779 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
781 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
783 * i386.c (x86_initialize_trampoline): Fix mode of constant.
785 2001-05-03 Geoff Keating <geoffk@redhat.com>
787 * invoke.texi (i386 Options): Delete references to -malign-jumps,
788 -malign-loops, -malign-functions.
789 * i386.c (ix86_align_funcs): Delete.
790 (ix86_align_loops): Delete.
791 (ix86_align_jumps): Delete.
792 (override_options): Mark -malign-* as obsolete. Emulate their
793 behaviour with the -falign-* options. Default -falign-* from
795 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
796 patch of Wed May 2 13:09:36 2001.
797 (LOOP_ALIGN): Delete.
798 (LOOP_ALIGN_MAX_SKIP): Delete.
799 (LABEL_ALIGN_AFTER_BARRIER): Delete.
800 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
802 2001-05-04 Andreas Jaeger <aj@suse.de>
804 * except.h: Add prototype declaration for
805 expand_builtin_init_dwarf_reg_sizes.
807 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
809 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
811 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
813 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
815 ("bitcmpqi2"): New pattern for bit-extract and test.
816 ("bitcmphi"): New pattern for bitb/bita instructions.
818 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
820 * gccbug.in: Use a temporary directory when the mktemp command is
823 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
825 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
827 (INITIALIZE_TRAMPOLINE): Call it.
828 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
829 (TRAMPOLINE_TEMPLATE): Remove.
830 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
831 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
834 2001-05-03 David O'Brien <obrien@FreeBSD.org>
836 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
837 and crtendS.o with PIC.
839 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
841 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
843 (___subdi3, ___adddi3): Use x instead of y as index register.
844 (__init_bss_section, __map_data_section): Optimize for 68HC12.
845 (__memset, __memcpy): Likewise.
846 (regs): Put the soft registers in bss for 68HC12.
847 (abort): Use trap to abort for 68hc12.
848 (__mulhi3, __mulhi32): Use emul for 68hc12.
849 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
851 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
853 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
854 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
855 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
856 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
857 Set 68HC12 min offset to -65536.
858 (print_operand): Put parenthesis arround the operand if it refers
859 to a symbol having the same name as a register.
860 (m68hc11_z_replacement): When z register is replaced by its
861 equivalent soft register, force the insn to be re-recognized.
862 (m68hc11_check_z_replacement): Fix the test when destination is
863 the index register and z dies in the insn.
864 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
866 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
868 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
869 costs according to processor variant.
870 (m68hc11_shift_cost): New function to compute shift costs.
871 (m68hc11_rtx_costs): Define costs according to processor variant.
872 (m6811_cost): Costs for 68HC11.
873 (m6812_cost): Costs for 68HC12.
874 (COSTS_N_INSNS): Remove.
876 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
877 (DEFAULT_RTX_COSTS): Remove.
878 (CONST_COSTS): Define costs according to OUTER_CODE.
879 (processor_costs): New struct to define costs.
880 (m68hc11_cost): Pointer to current costs.
882 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
884 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
885 and use m68hc11_notice_keep_cc when using leax/leay.
886 (addhi3 split): Reject split if the insn is handled by
888 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
889 push must be handled in a special way if the source operand uses
890 sp as index register.
891 (m68hc11_notice_keep_cc): New function.
892 (m68hc11_gen_movhi): Use it when an insn changes a register but
894 (m68hc11_gen_movqi): Fix move for 68HC12.
895 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
897 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
899 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
900 and don't pass operands[0] to emit_library_call_value.
902 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
904 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
905 (zero_extendsi split): Simplify and use (zero_extendhi).
906 (*addhi3): Remove 'w' constraint since stack pointer is handled
908 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
909 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
910 (*ashrhi3_const): Fix shift by 7.
911 (*lshrsi3_const16): Fix template.
912 (call, call_value): Fix constraint and predicate.
914 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
916 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
917 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
918 (CC_REGNUM): Likewise.
919 (*unnamed splits): Use above constants instead of hard coded numbers.
920 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
921 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
922 (*return_16bit, *unnamed peepholes): Likewise.
924 2001-05-03 David O'Brien <obrien@FreeBSD.org>
926 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
927 rs6000/rs6000.h twice.
929 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
931 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
932 (CPP_SPEC): Conditionally define MSDOS and GO32.
933 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
934 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
936 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
938 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
940 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
942 2001-05-03 Mark Mitchell <mark@codesourcery.com>
944 * integrate.h (struct inline_remap): Add leaf_reg_map table.
945 * integrate.c (expand_inline_function): Use xcalloc to allocate
947 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
950 2001-05-03 Mark Mitchell <mark@codesourcery.com>
952 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
955 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
957 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
958 linker if -mrelax is given.
959 (TARGET_SWITCHES): Document -mrelax.
961 Re-installed 2001-01-09's patch:
962 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
963 if it's wider than long and the target's long is wider than the
966 2001-05-02 David O'Brien <obrien@FreeBSD.org>
968 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
969 directly include rs6000/rs6000.h. Instead do it in tm.h.
971 2001-05-02 Stan Shebs <shebs@apple.com>
973 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
974 NSConstantString for NeXT-style runtimes.
975 (STRING_OBJECT_GLOBAL_NAME): New macro.
976 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
977 OCTI_STRING_CLASS_DECL.
978 (constant_string_global_id): New macro.
979 (string_class_decl): Ditto.
980 (setup_string_decl): New function.
981 (build_objc_string_object): Use it to build a NeXT runtime
982 compatible string initializer.
984 2001-05-02 Jakub Jelinek <jakub@redhat.com>
986 * tradcpp.c (do_define): Make sure we don't walk past limit.
988 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
990 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
991 offsets if not REG_OK_STRICT.
993 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
994 (INT_REG_OK_FOR_INDEX_P): Likewise.
995 (INT_REG_OK_FOR_BASE_P): Likewise.
996 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
997 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
998 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
999 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1000 REG_OK_FOR_BASE_P. Take an additional parameter.
1001 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1002 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1003 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1004 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1005 rs6000_legitimate_address() and use it.
1006 * config/rs6000/rs6000.c: Update all callers.
1007 (rs6000_legitimate_address): New function.
1009 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1011 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1012 special_constant conditional blocks together.
1014 2001-05-02 Dale Johannesen <dalej@apple.com>
1016 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1018 (STRICT_ARGUMENT_NAMING): Define.
1019 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1020 function_arg_partial_nregs, setup_incoming_varargs): Remove
1021 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1024 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1026 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1028 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1031 * expr.c (store_field): Do nothing except elaborate side-effects if
1034 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1036 * c-lex.c: NULL_PTR -> NULL.
1038 * emit-rtl.c: Likewise.
1040 * genpeep.c: Likewise.
1042 * mips-tdump.c: Likewise.
1043 * reload1.c: Likewise.
1044 * rtlanal.c: Likewise.
1046 * stor-layout.c: Likewise.
1047 * toplev.c: Likewise.
1049 2001-05-01 Per Bothner <per@bothner.com>
1051 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1052 call do_pending_stack_adjust before emiting label.
1054 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1056 * extend.texi: Fix typo.
1058 2001-05-01 Stan Shebs <shebs@apple.com>
1060 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1061 of UOBJC_MODULES_decl.
1062 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1063 (generate_descriptor_table): Ditto.
1064 (generate_protocols): Ditto.
1065 (generate_protocol_list): Ditto.
1066 (generate_classref_translation_entry): Ditto.
1068 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1070 * invoke.texi (Optimize Options): Add documentation for `--param
1071 max-delay-slot-insn-search' and `--param
1072 max-delay-slot-live-search' and reorder --param section.
1073 * params.def: Modify initial comment.
1074 * params.h (param_info): Add `help' member.
1075 * toplev.c (lang_independent_params): Include `help' description.
1076 (display_help): Print --param parameters.
1078 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1080 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1081 Remove references to deleted files.
1082 (*-*-openbsd): No need to override xmake_file.
1083 (*-*-sysv4): Treat like *-*-sysv.
1085 * configure.in: Probe for ldopen in various places, and set up
1086 collect2 to be linked with them if found.
1087 Don't dink with Windows registry stuff unless $host_os is a
1088 Win32 os name. Check to see if we need -ladvapi32.
1089 * configure: Regenerate.
1091 * Makefile: Get rid of CLIB and HOST_CLIB.
1092 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1093 * build-make: Get rid of HOST_CLIB.
1095 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1096 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1097 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1098 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1099 config/rs6000/x-rs6000: Delete.
1101 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1104 24 x-host fragments remain, 0 x-cpu, 3 top level.
1106 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1108 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1109 * configure: Regenerate.
1111 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1113 * Makefile.in (install-headers): Remove redundant dependency.
1115 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1117 * c-tree.texi (USING_STMT): Document.
1119 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1121 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1122 * c-common.c: Likewise.
1123 * c-decl.c: Likewise.
1124 * combine.c: Likewise.
1125 * rs6000.c: Likewise.
1126 * except.c: Likewise.
1127 * explow.c: Likewise.
1129 * fold-const.c: Likewise.
1130 * function.c: Likewise.
1133 * integrate.c: Likewise.
1135 * objc/objc-act.c: Likewise.
1136 * recog.c: Likewise.
1137 * reg-stack.c: Likewise.
1138 * reload.c: Likewise.
1139 * reload1.c: Likewise.
1140 * simplify-rtx.c: Likewise.
1142 * varasm.c: Likewise.
1144 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1146 * diagnostic.def: New file.
1147 * diagnostic.h (diagnostic_t): New enum.
1148 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1150 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1152 * tsystem.h: Test only POSIX for availability of string.h
1154 * config.gcc (all systems): If USG appeared in xm_defines,
1155 change it to POSIX. If both USG and POSIX appeared, just
1156 delete USG. Remove unnecessary quotes around xm_defines
1158 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1159 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1160 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1161 powerpc-*-linux*): No need to set xm_defines - handled by
1162 global settings for *-*-linux*.
1164 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1166 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1167 Always include gstab.h, not system stab.h. Don't provide
1168 default definitions of N_CATCH or N_OPT. Always use the
1169 gstab.h variant of STAB_CODE_TYPE.
1170 * final.c: Don't include stab.h/gstab.h at all, or provide
1171 defaults for N_SLINE and N_SOL.
1173 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1174 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1176 * sdbout.c: Always include gsyms.h instead of system syms.h.
1178 * configure.in: No need to check for stab.h.
1179 * configure, config.in: Regenerate.
1180 * Makefile.in (final.o): Don't depend on gstab.h.
1182 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1183 Richard Henderson <rth@redhat.com>
1185 * extend.texi: Improve documentation of volatile asms.
1187 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1189 * c-tree.texi: Fix thinko.
1190 * gcc.texi: Likewise.
1192 2001-04-30 Richard Henderson <rth@redhat.com>
1194 * c-common.c (c_promoting_integer_type_p): New function, from the
1195 corpse of old macro. Properly promote too-small enumerations and
1196 booleans. Adjust all callers.
1197 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1198 (c_promoting_integer_type_p): Declare.
1199 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1200 * c-typeck.c: Likewise.
1201 (default_conversion): Remove now redundant boolean check.
1203 2001-04-30 Jan Hubicka <jh@suse.cz>
1204 Richard Henderson <rth@redhat.com>
1206 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1208 (combine_stack_adjustments_for_block): Don't combine stack
1209 allocation followed by deallocations. Handle grow-up stacks.
1211 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1213 * fdl.texi: New file.
1214 * c-tree.texi: Use the GFDL.
1215 * gcc.texi: Likewise.
1217 2001-04-30 Stan Shebs <shebs@apple.com>
1219 * invoke.texi: Add a section documenting Objective-C options.
1221 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1223 * emit-rtl.c (try_split): Copy EH notes to sequence.
1225 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1227 * regmove.c (record_stack_memrefs): Catch all references to the
1230 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1232 * Makefile.in(stmp-fixinc): quote shell assignment values
1234 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1236 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1240 * prefix.c: Likewise.
1242 2001-04-28 Stan Shebs <shebs@apple.com>
1244 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1245 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1246 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1247 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1249 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1250 (NEXT_OBJC_RUNTIME): Define.
1252 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1254 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1255 * simplify-rtx.c (simplify_gen_relational): Likewise.
1257 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1259 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1260 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1262 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1263 registers in SSE case; fix handling of the immediates.
1264 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1265 operands to be in regsiters before reload.
1266 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1267 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1268 (abstf,absxf,negtf,negxf splitters): Compute
1269 properly the regnum for x86_64.
1270 (avsdf2_if_rex64): New.
1272 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1274 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1275 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1276 into the constant pool.
1277 * jump.c (jump_optimize_1): Remove barrier successors after all
1278 the LABEL_NUSES counds have been computed.
1279 (delete_barrier_successors): When deleting a tablejump insn, also
1280 delete the jump table it uses.
1281 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1284 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1286 * pa.c (FRP): Remove erroneous white space in macro definition.
1288 2001-04-28 Andreas Jaeger <aj@suse.de>
1290 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1292 * extend.texi: Likewise.
1293 * tm.texi: Likewise.
1295 2001-04-28 Andreas Jaeger <aj@suse.de>
1297 * md.texi: Use XX-bit instead of XXbit or XX bit where
1300 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1302 * gcc.c (process_command): Allow -l lib in addition to -llib
1303 for POSIX compliance. This fixes PR c/2347.
1305 * invoke.texi: Update section on Link Options accordingly.
1307 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1309 * function.c (purge_addressof_1): Remove the duplicate
1310 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1313 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1315 * except.c (expand_eh_region_start): Don't start a new block.
1316 (expand_eh_region_end): Don't end a block.
1317 * stmt.c (expand_end_bindings): Don't end EH blocks.
1318 (expand_decl_cleanup): Starting an EH region won't change the block.
1319 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1320 (is_eh_region): Lose.
1323 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1325 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1327 * collect2.c (main): Add `-L' case to remove duplicate entries.
1328 (is_in_args): New function to check for a duplicate argument.
1329 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1330 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1331 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1332 Define to be nonzero.
1334 2001-04-27 Andreas Jaeger <aj@suse.de>
1335 Richard Henderson <rth@redhat.com>
1337 * md.texi (Machine Constraints): Document additional i386
1338 constraints and fix description of "A".
1340 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1342 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1344 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1346 * except.c (get_exception_filter): word_mode, not Pmode.
1348 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1350 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1351 common to other movsf patterns. Move up so that in future
1352 people who change the other patterns will change it too.
1353 (movsf_lo_sum): Allow even for soft-float; add appropriate
1355 (movsf_high): Likewise.
1356 (movsf_high+1): Allow even for soft-float.
1358 * function.c (expand_function_end): Always clobber the
1359 return registers, even if there is no return label.
1361 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1363 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1365 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1367 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1368 (pushqi2_rex64, pushhi2_rex64): Add.
1370 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1372 * except.c (expand_eh_region_end_cleanup): Force pending stack
1373 adjust before emitting label that branches around cleanup code.
1375 2001-04-26 H.J. Lu (hjl@gnu.org)
1377 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1379 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1381 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1382 (ASM_OUTPUT_SECTION_NAME): Likewise.
1383 (ASM_WEAKEN_LABEL): Likewise.
1384 (UNIQUE_SECTION): Likewise.
1385 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1386 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1387 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1388 (ASM_OUTPUT_SECTION_NAME): Likewise.
1389 (ASM_WEAKEN_LABEL): Likewise.
1390 (UNIQUE_SECTION): Likewise.
1391 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1392 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1393 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1394 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1395 (ASM_FILE_START): Likewise.
1396 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1397 (ASM_DECLARE_OBJECT_NAME): Likewise.
1398 (ASM_FILE_END): Likewise.
1399 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1400 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1401 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1402 (ASM_OUTPUT_CASE_LABEL): Likewise.
1403 (ASM_OUTPUT_SKIP): Likewise.
1404 (ASM_OUTPUT_ASCII): Likewise.
1405 (ASM_OUTPUT_IDENT): Likewise.
1406 (READONLY_DATA_SECTION): Likewise.
1407 (EXTRA_SECTIONS): Likewise.
1408 (EXTRA_SECTION_FUNCTIONS): Likewise.
1409 (SELECT_RTX_SECTION): Likewise.
1410 (SELECT_SECTION): Likewise.
1412 * config/mips/linux.h (INVOKE__main): Undefine.
1413 (CTOR_LIST_BEGIN): Likewise.
1414 (CTOR_LIST_END): Likewise.
1415 (DTOR_LIST_BEGIN): Likewise.
1416 (DTOR_LIST_END): Likewise.
1417 (SET_ASM_OP): Defined it to ".dummy".
1418 (ASM_OUTPUT_DEF): Defined.
1419 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1421 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1423 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1424 assembler supports .p2align.
1426 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1428 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1430 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1432 * integrate.c (expand_inline_function): Check for error_mark_node
1435 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1437 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1440 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1442 * configure.in (configargs.h): Define thread_model.
1443 * configure: Rebuilt.
1444 * gcc.c (main): Print it with -v.
1446 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1448 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1449 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1450 * gcc.1: Regenerate.
1452 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1454 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1455 is_redundant_typedef): Use static inline instead of inline static.
1457 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1459 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1460 this directory is always searched.
1462 2001-04-25 Richard Henderson <rth@redhat.com>
1464 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1465 of registers to restore along non eh_return path.
1467 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1469 * c-format.c (check_format_info_recurse): Handle
1470 PLUS_EXPR for format string.
1472 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1474 * config/ia64/ia64.h (CC1_SPEC): Define.
1475 * config/ia64/linux.h (CC1_SPEC): Define.
1477 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1479 * emit-rtl.c (constant_subword): Also do sign extension in
1480 BITS_PER_WORD == 16 case.
1482 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1484 * loop.c (try_swap_copy_prop): Go back to checking insn.
1486 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1488 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1489 if check_mode is non-zero.
1491 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1493 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1494 out and comparison sequence has been detected, put result into
1495 proper temporary pseudo.
1497 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1499 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1500 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1501 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1502 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1503 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1504 for future reference.
1506 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1508 * except.c (reachable_handlers): Step out one level from a RESX.
1510 * except.c (struct eh_region): Rename 'last' to 'resume'.
1511 (mark_eh_region, duplicate_eh_region_1): Adjust.
1512 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1513 (build_post_landing_pads): Likewise.
1514 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1515 (expand_eh_region_end_must_not_throw): Likewise.
1516 (connect_post_landing_pads): Thread (only) regions with non-deleted
1519 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1520 registers around the cleanup.
1521 (get_exception_filter): New fn.
1522 (finish_eh_generation): Use it.
1524 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1526 * c-semantics.c (add_scope_stmt): Don't call
1527 current_scope_stmt_stack multiple times.
1529 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1530 Nathan Sidwell <nathan@codesourcery.com>
1532 Lazy __FUNCTION__ generation.
1533 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1534 RID_C99_FUNCTION_NAME): New _RIDs.
1535 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1536 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1537 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1539 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1540 (c99_function_name_decl_node, function_name_decl_node,
1541 pretty_function_name_decl_node, saved_function_name_decls):
1543 (struct language_function): Remove x_function_name_declared_p.
1544 (make_fname_decl): Remove a parameter.
1545 (declare_function_names): Remove prototype.
1546 (start_fname_decls, finish_fname_decls): Prototype.
1547 (fname_as_string): Likewise.
1548 (fname_string, fname_decl): Likewise.
1549 * c-common.c (make_fname_decl): Adjust.
1550 (struct fname_var_t): New struct.
1551 (fname_vars): New static array.
1552 (declare_function_name): Remove.
1553 (start_fname_decls, finish_fname_decls): New functions.
1554 (fname_as_string): New function from remnants of
1555 declare_function_name.
1556 (fname_string, fname_decl): New functions.
1558 * c-decl.c (c_function_name_declared_p): Remove.
1559 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1560 don't call declare_function_name. Call start_fname_decls.
1561 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1562 clobber the line number. Call finish_decl.
1563 (start_function): Call start_fname_decls.
1564 (finish_function): Call finish_fname_decls.
1565 Remove c_function_name_declared_p.
1566 (push_c_function_context): Don't push c_function_name_declared_p.
1567 (pop_c_function_context): Don't pop c_function_name_declared_p.
1568 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1569 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1570 (program): Call finish_fname_decls for C.
1571 (primary): Add VAR_FUNC_NAME.
1572 (reswords): Add slots for __FUNCTION__ et al.
1573 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1574 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1575 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1576 * c-semantics.c (prune_unused_decls): Remove.
1577 (finish_stmt_tree): Don't call prune_unused_decls.
1578 (genrtl_decl_stmt): Don't prune unused decls here.
1580 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1582 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1583 constant pool, use the pool's SYMBOL_REF instead.
1585 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1588 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1590 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1591 passing nested NOP_EXPRs to fold.
1593 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1595 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1597 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1599 * loop.c (loop_delete_insns): Add prototype.
1601 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1603 * configure.in: Remove ENABLE_STD_NAMESPACE.
1604 * config.in: Regenerated.
1605 * configure: Regenerated.
1607 2001-04-22 Stan Shebs <shebs@apple.com>
1609 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1611 * config/rs6000/xm-darwin.h: Remove file.
1613 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1615 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1616 (write_c_file_stat): Likewise.
1618 * dbxout.c (dbxout_init): Likewise.
1620 * profile.c (output_func_start_profiler): Likewise.
1622 2001-04-22 Philipp Thomas <pthomas@suse.de>
1624 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1625 require it instead of the CVS version.
1626 * cpperror.c (v_message): Put a blank before the macro
1627 body to not confuse exgettext.
1629 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1631 * flow.c (proagate_one_insn): Remove useless assignment.
1632 * jump.c (delete_insn): Tidy.
1633 * loop.c (try_copy_prop): When deleting an instruction with a
1634 REG_RETVAL note, delete the entire libcall sequence.
1635 (loop_delete_insns): New function.
1636 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1637 we're not substituting into them yet.
1639 2001-04-21 Kazu Hirata <kazu@hxi.com>
1641 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1643 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1645 * config/i960/i960.c (signed_arith_operand): Likewise.
1647 * calls.c (expand_call): Fix a comment typo.
1649 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1651 * configure.in: Probe for times, clock, struct tms, and clock_t.
1652 * configure, config.in: Regenerate.
1653 * timevar.c: Replace ifdef forest in get_time with (relatively)
1654 straightforward series of checks based on autoconf's probes.
1656 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1658 * config/pa/som.h (NM_FLAGS): Define.
1660 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1662 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1664 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1665 * ia64.c (nop_cycles_until): New function.
1666 (prev_cycle, prev_first, last_issued): New static variables.
1667 (ia64_sched_reorder): Additional arg for clock.
1668 On final scheduling pass, emit extra NOPs as needed.
1669 Set prev_first and prev_cycle.
1670 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1671 (ia64_variable_issue): Set last_issued.
1673 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1675 * config/i386/i386.c (ix86_expand_int_movcc,
1676 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1678 2001-04-20 Geoff Keating <geoffk@redhat.com>
1680 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1681 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1682 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1683 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1684 ctrdi_internal6): In the short-branch case, this insn is only 4
1685 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1687 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1689 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1690 "=u" is used together with "st" resp. "st(1)" clobber.
1692 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1694 * gcse.c (gcse_main): Fix comment typo.
1695 (delete_null_pointer_check): Likewise.
1696 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1697 * cse.c (cse_insn): Likewise.
1698 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1701 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1703 * toplev.c: Excise all code for the undocumented -dm option.
1704 (float_signal): Call signal just once, unconditionally.
1706 2001-04-19 Geoff Keating <geoffk@redhat.com>
1708 * fold-const.c (fold): Use first_rtl_op rather than
1709 TREE_CODE_LENGTH when looping over parameters of a tree.
1710 Correct strange grouping in test for evaluated SAVE_EXPR.
1712 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1714 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1715 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1717 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1718 name at 32 total characters.
1719 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1720 functions in named sections -- data items can still go into unique
1721 sections, but they have normal names (ie $LIT$ and $DATA$).
1723 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1726 2001-04-19 DJ Delorie <dj@redhat.com>
1728 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1729 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1730 * config/i386/cygwin.h: Likewise.
1731 * config/i386/mingw32.h: Likewise.
1732 * config/vax/vms.h: Likewise.
1733 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1735 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1736 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1737 * config/i386/xm-cygwin.h: Likewise.
1738 * config/i386/xm-djgpp.h: Likewise.
1739 * config/i386/xm-mingw32.h: Likewise.
1740 * config/vax/xm-vms.h: Likewise.
1742 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1743 instead of OBJECT_SUFFIX.
1744 * collect2.c (find_a_file): Look for files matching the extension
1745 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1746 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1747 TARGET_EXECUTABLE_SUFFIX.
1748 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1749 (make_relative_prefix): Likewise.
1750 (convert_filename): Use TARGET_ suffixes throughout. Remove
1752 (process_command): Likewise.
1753 (do_spec_1): Likewise.
1754 * java/lang.c (init_parse): Likewise.
1756 * gcc.texi : Document four new options matching the pattern
1757 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1758 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1759 documentation for NO_AUTO_EXE_SUFFIX.
1761 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1763 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1764 that language-independent processing should not be done.
1765 * toplev.c (main): Adjust accordingly.
1767 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1768 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1770 * mips.md (reload_outputdi): Require that operand0 be a
1773 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1775 * invoke.texi (-Wshadow): Clarify.
1777 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1779 * loop.c (load_mems): Examine all the instructions in the loop
1780 before concluding that all jumps branch to the first instruction
1783 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1785 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1787 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1789 * cpp.texi (-Wwhite-space): Remove.
1790 (-Wall): -Wall does not imply -Wwhite-space.
1792 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1794 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1795 use it instead of blindly generating a .stabs.
1796 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1798 * xcoffout.c: Don't bother defining default for N_CATCH.
1799 (UNKNOWN_STAB): Use internal_error.
1800 (stab_to_sclass): Remove now-unnecessary aborts.
1801 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1803 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1805 * jump.c (mark_all_labels): Canonicalize the tail recursion
1806 label attached to CALL_PLACEHOLDER insns.
1808 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1810 * output.h (dump_flow_info, free_basic_block_vars,
1811 which_alternative): Delete redundant prototypes.
1813 * rtl.h (bss_section): Likewise.
1815 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1817 * dbxout.c (N_OPT): Define if not available from <stab.h>
1819 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1821 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1822 libraries and native K&R compilers.
1824 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * c-typeck.c (convert_arguments): Don't check for width changes
1829 * invoke.texi (-Wtraditional): Update documentation.
1831 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1833 * toplev.c (output_lang_identify): Delete.
1834 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1835 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1836 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1837 after calling ASM_FILE_END.
1839 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1840 Instead, unconditionally emit an N_OPT stab with string equal
1841 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1843 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1845 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1846 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1847 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1848 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1849 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1850 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1851 config/i370/i370.h, config/i386/beos-elf.h,
1852 config/i386/osf1elf.h, config/i386/osfrose.h,
1853 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1854 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1855 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1856 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1857 config/mips/iris6.h, config/mips/osfrose.h,
1858 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1859 config/sparc/sp64-elf.h:
1860 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1861 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1863 * config/elfos.h, config/freebsd.h, config/linux.h,
1864 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1865 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1866 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1867 of ASM_FILE_START which merely emit a .version directive. Delete
1868 definitions of ASM_FILE_END which merely emit an .ident directive.
1870 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1871 ASM_IDENTIFY_GCC and move part of its logic into
1874 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1875 config/sparc/linux-aout.h: Don't emit .version directive in
1878 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1879 (output_file_start): Correct comment.
1881 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1882 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1884 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1885 * config/rs6000/aix.h: Correct comment.
1887 * config/i386/i386afe.h: Delete.
1888 * config.gcc: Remove references to i386afe.h.
1890 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1891 other macros deleted by this patch were undocumented.
1893 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1895 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1897 * pa.c (secondary_reload_class): SAR<->FP copies require a
1900 * install.texi (mips-mips-bsd): Update list of functions
1901 required to include memmove.
1902 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1903 used functions to include memmove.
1905 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1907 * i386.md (sqrtdf2): SFmode should be DFmode.
1909 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1911 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1912 (find_moveable_store): Likewise.
1914 2001-04-15 Jim Wilson <wilson@redhat.com>
1916 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1918 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1920 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1921 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1923 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1925 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1928 2001-04-14 Alan Modra <amodra@one.net.au>
1930 * pa.c (force_mode): New function.
1931 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1933 2001-04-13 Jim Wilson <wilson@redhat.com>
1935 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1936 (first_instruction): New static variable.
1937 (rtx_needs_barrier): Return 1 for alloc.
1938 (init_insn_group_barriers): Set first_instruction.
1939 (rws_sum): Delete duplicate definition.
1940 (group_barrier_needed_p): Return 0 when first_instruction true.
1941 (safe_group_barrier_needed_p): Save and restore first_instruction
1942 around group_barrier_needed_p call.
1944 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1946 * expr.h (enum libfunc_index): Add LTI_memmove.
1947 (memmove_libfunc): Define macro.
1948 * optabs.c (init_optabs): Initialize memmove_libfunc.
1949 * expr.c (expand_assignment): Use memmove_libfunc instead of
1952 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1954 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1957 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1959 * Makefile.in (reg-stack.o): Depend on reload.h.
1960 (insn-attrtab.o): Depend on flags.h.
1962 * genattrtab (main): Include flags.h in insn-attrtab.c.
1964 * reg-stack.c: Include reload.h.
1966 * sparc.h (flag_pic): Delete redundant declaration.
1968 * output.h (flag_pic): Likewise.
1970 * tree.h (pedantic): Likewise.
1972 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1974 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1976 * jump.c, regmove.c, toplev.c: Include reload.h.
1978 * reload.h (reload_cse_regs): Declare.
1980 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1981 reload_cse_regs, init_reload, mark_home_live, reload,
1982 init_caller_save): Delete redundant prototypes.
1984 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1986 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1988 * regclass.c, ssa.c: Include expr.h.
1990 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1991 gen_move_insn): Delete redundant declarations.
1993 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1995 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1996 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1997 MAKEINFO and MAKEINFOFLAGS too.
1998 (stage4_build): Correctly order -B flags.
2000 2001-04-13 Alan Modra <amodra@one.net.au>
2002 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2003 PIC_OFFSET_TABLE_SAVE_RTX.
2004 (zdepi_cint_p): Describe zdepi insn.
2005 Formatting and white space fixes throughout file.
2007 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2008 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2009 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2010 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2011 (output_64bit_and): Use plain `int's for shift counts.
2012 (output_64bit_ior): Likewise.
2013 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2014 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2017 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2018 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2019 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2020 NEW_HP_ASSEMBLER into one. Kill warnings.
2022 * pa-gas.h: Delete file.
2023 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2024 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2025 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2026 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2028 * config/pa/mill32.S: New file.
2029 * config/pa/mill64.S: New file.
2030 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2031 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2032 * config/pa/t-linux64: New file.
2033 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2034 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2035 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2037 * elfos.h (SELECT_SECTION): Undef before defining.
2038 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2039 (LIB_SPEC): Remove -lmilli.
2040 (DBX_REGISTER_NUMBER): Remove.
2041 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2042 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2043 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2044 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2045 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2046 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2047 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2048 TARGET_GAS): Define.
2049 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2050 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2051 regs if we don't have a prototype.
2052 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2053 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2054 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2055 EH_RETURN_HANDLER_RTX): Define.
2056 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2057 (DWARF_FRAME_REGNUM): Define.
2058 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2059 * pa32-linux.h: New file.
2060 * pa64-linux.h: New file.
2062 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2063 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2064 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2065 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2066 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2067 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2068 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2069 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2070 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2071 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2072 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2073 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2074 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2075 * pa64-hpux.h: New file.
2076 (ASM_FILE_START): Correct typo.
2077 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2078 * config.gcc: Modify for above.
2080 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2082 * jump.c (jump_optimize_1): Don't delete dead stores here.
2083 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2084 prior to running jump optimize before cse2.
2086 2001-04-12 Richard Henderson <rth@redhat.com>
2088 * Makefile.in (regmove.o): Depend on except.h.
2089 * regmove.c: Include it.
2091 2001-04-12 Stan Shebs <shebs@apple.com>
2093 * objc/objc-act.c: Remove all code ifdefed with the never-used
2094 macro OBJC_INT_SELECTORS.
2095 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2096 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2098 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2100 * config/pa/quadlib.c: Add prototypes.
2102 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2104 * bitmap.h (debug_bitmap): Delete redundant prototype.
2106 * rtl.h (get_frame_size): Likewise.
2108 2001-04-12 Jim Wilson <wilson@redhat.com>
2110 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2111 to just emit an fnorm.
2113 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2115 * c-common.h (truthvalue_conversion, type_for_mode,
2116 type_for_size): Delete redundant declarations.
2118 * c-lex.h (is_class_name): Likewise.
2120 * c-tree.h (pedantic, convert, getdecls, gettags,
2121 global_bindings_p, init_decl_processing, insert_block,
2122 maybe_build_cleanup, poplevel, print_lang_decl,
2123 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2124 set_block, incomplete_type_error, build_function_call,
2125 lvalue_or_else, mark_addressable): Likewise.
2127 * expr.h (expand_tree_builtin): Likewise.
2129 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2131 * invoke.texi: Document --param max-gcse-memory.
2133 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2135 * configure.in (errno): Check for declaration.
2136 * configure, config.in: Regenerated.
2138 * system.h (errno): Only declare if not already done.
2140 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2142 * recog.c (general_operand, immediate_operand,
2143 nonmemory_operand): Require CONST_INTs to be sign-extended
2144 values for their modes.
2146 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2148 * expmed.c (store_bit_field): Truncate CONST_INTs.
2149 (expand_mult_highpart, expand_divmod): Likewise.
2150 * expr.c (convert_modes, store_field): Likewise.
2151 * integrate.c (expand_inline_function): Use promote_mode() to
2152 determine whether to convert_modes() an argument as signed
2154 * optabs.c (expand_binop): Get CONST_INT operands
2155 sign-extended for their appropriate modes.
2156 * stmt.c (emit_case_nodes): Convert node values to the
2158 (expand_end_case): Convert minval and range to the appropriate
2160 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2161 the iteration variable.
2162 * varasm.c (immed_double_const): Don't require words to be
2163 narrower than host wide ints to properly sign-extend
2166 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2168 * sh.md (builtin_setjmp_receiver): New expander.
2170 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2172 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2173 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2174 for generating CONST_INT and CONST_DOUBLE.
2176 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2178 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2179 already sign-extended.
2180 (rs6000_emit_prologue): Make register iterator signed.
2181 (rs6000_emit_epilogue): Likewise.
2182 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2184 (movsf split, movdf split): Sign-extend CONST_INTs.
2185 (movdi splits): Likewise.
2187 2001-04-12 Kelley Cook <kelley.cook@home.com>
2189 * config-lang.in (lang_dirs): Add in zlib.
2191 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2193 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2194 operands that make it to RTL.
2196 2001-04-11 Stan Shebs <shebs@apple.com>
2198 Add Darwin (Mac OS X kernel) native support.
2199 * config.gcc (powerpc-*-darwin*): Add native bits.
2200 * config/darwin.c: New file, generic Darwin support functions.
2201 * config/darwin.h: New file, generic Darwin definitions.
2202 * config/darwin-protos.h: New file, generic Darwin prototypes.
2203 * rs6000/darwin.h: New file, Darwin for PowerPC.
2204 * rs6000/t-darwin: New file, Darwin makefile fragment.
2205 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2206 (TARGET_MACHO): Ditto.
2207 (rs6000_abi): Add ABI_DARWIN.
2208 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2209 (RS6000_SAVE_AREA): Ditto.
2210 (FP_ARG_MAX_REG): Ditto.
2211 (RETURN_ADDRESS_OFFSET): Ditto.
2212 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2214 (rs6000_emit_move): Add ABI_DARWIN cases.
2215 (print_operand): Ditto.
2216 (first_reg_to_save): Ditto.
2217 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2218 (debug_stack_info): Ditto.
2219 (rs6000_emit_prologue): Ditto.
2220 (rs6000_emit_epilogue): Ditto.
2221 (output_profiler_hook): Ditto.
2222 (output_function_profiler): Ditto.
2223 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2224 (output_mi_thunk): Add TARGET_MACHO case.
2225 (add_compiler_stub): Ditto.
2226 (output_compiler_stub): Ditto.
2227 (no_previous_def): Ditto.
2228 (output_call): Ditto.
2229 (machopic_output_stub): Ditto.
2230 (rs6000_machopic_legitimize_pic_address): Ditto.
2231 (toc_section): Ditto.
2232 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2233 (macho_high): Ditto.
2236 (load_macho_picbase): Ditto.
2237 (call): Add TARGET_MACHO case to modify function.
2238 (call_value): Ditto.
2239 (call_nonlocal_sysv): Add ABI_DARWIN case.
2240 (call_value_nonlocal_sysv): Ditto.
2241 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2243 (machopic_output_stub): Ditto.
2244 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2246 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2248 * dwarf2out.c (modified_type_die): Don't create new types here.
2249 * tree.h (get_qualified_type): New function.
2250 (build_qualified_type): Adjust comment.
2251 * tree.c (get_qualified_type): New function.
2252 (build_qualified_type): Use it.
2254 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2256 * cpp.texi (-Wtraditional): Update description.
2258 * invoke.texi (-Wtraditional): Likewise.
2260 2001-04-11 Jim Wilson <wilson@redhat.com>
2262 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2263 requires more than 64 bits of alignment.
2265 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2267 * cpplib.c (do_line): Sanity check iff enable checking.
2269 2001-04-11 Richard Henderson <rth@redhat.com>
2271 * Makefile.in (insn-recog.o): Depend on toplev.h.
2272 (insn-emit.o, doloop.o): Likewise.
2273 * genrecog.c, genemit.c: Include toplev.h in generated file.
2274 * doloop.c: Include toplev.h.
2276 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2278 * Makefile.in (gcse.o): Depend on params.h.
2279 * gcse.c: Include params.h.
2280 (gcse_main): Don't do GCSE if doing so will take inordinate
2282 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2283 * params.h (MAX_GCSE_MEMORY): New macro.
2285 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2289 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2291 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2293 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2295 * real.h (ereal_atof, real_value_truncate, target_isnan,
2296 target_isinf, target_negative, assemble_real, debug_real): Delete
2297 redundant prototypes.
2299 * Makefile.in (ifcvt.o): Depend on toplev.h.
2301 * c-semantics.c: Include expr.h.
2303 * ifcvt.c: Include toplev.h.
2305 * expr.h (rtx_equal_p): Delete prototype.
2307 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2308 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2309 eliminate_constant_term, expand_complex_abs, find_single_use,
2310 make_tree, init_expr_once, init_optabs, supports_one_only):
2313 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2314 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2315 expand_assignment, store_expr, emit_line_note_after,
2316 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2318 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2320 * sparc-protos.h: Delete redundant prototypes.
2322 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2324 * reload.c (push_reload): Add condition missed in SUBREG byte
2327 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2329 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2331 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2333 * i386.md (floatsisf_sse): Fix output template
2334 * i386.c (ix86_expand_fp_movcc)
2336 * reg-stack.c (emit_pop_insn): Handle complex modes.
2337 (move_for_stack_reg): Emit proper move mode.
2338 (subst_stack_regs_pat): Handle complex modes.
2340 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2342 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2344 2001-04-10 Richard Henderson <rth@redhat.com>
2346 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2347 (__pure_virtual, __terminate, __terminate_set_func,
2348 __default_terminate, __throw_type_match, __empty,
2349 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2350 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2351 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2352 Remove prototypes of deleted functions.
2354 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356 * c-typeck.c (convert_arguments): -Wtraditional now activates
2357 -Wconversion warnings, except for changes in signed-ness.
2358 Detect complex<->int & int<->complex conversions as well.
2360 * invoke.texi (-Wtraditional): Document it.
2362 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2364 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2365 * flow.c (set_block_for_new_insns): Remove needless cast and
2366 properly check for unset block number.
2368 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2370 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2371 the subreg was a hard register. Pseudos are left as subregs.
2373 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2375 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2376 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2377 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2378 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2379 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2381 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2383 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2385 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2387 * output.h (set_block_num): Missed it earlier, remove deprecated
2390 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2392 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2393 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2394 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2395 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2396 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2397 (expr_killed_p): Change bb parameter from int to basic_block, pass
2398 basic_blocks instead of ints as parameters.
2399 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2400 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2401 from int to basic_block, pass basic_blocks instead of ints as parms.
2402 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2403 parameter from int to basic_block, pass basic_blocks instead of ints.
2404 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2405 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2406 pass basic_blocks instead of ints.
2407 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2408 basic_blocks instead of ints as parameters.
2409 (pre_delete): Pass basic_blocks instead of ints as parameters.
2410 (hoist_expr_reaches_here_p): Change bb parameter from int to
2411 basic_block, pass basic_blocks instead of ints.
2412 (hoist_code): Pass basic_blocks instead of ints as parameters.
2413 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2414 Change bb parameter from int to basic_block.
2415 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2416 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2417 pass basic_blocks instead of ints.
2418 (insert_store): Pass basic_blocks instead of ints as parameters.
2419 (replace_store_insn, delete_store): Change bb parameter from int to
2420 basic_block, pass basic_blocks instead of ints.
2421 (store_motion): Pass basic_blocks instead of ints as parameters.
2423 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2425 * basic-block.h (set_new_block_for_insns): New Prototype.
2426 (set_block_num): Delete prototype.
2427 * flow.c (set_block_num): Remove obsolete function.
2428 (set_block_for_new_insns): Set BB for single or multiple insns.
2429 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2430 (process_insn_end_bb): Use set_block_for_new_insns or
2431 set_block_for_insn instead of set_block_num.
2432 (pre_insert_copy_insn): Use set_block_for_new_insns.
2433 (update_ld_motion_stores): Use set_block_for_new_insns.
2434 (insert_insn_start_bb): Use set_block_for_new_insns.
2435 (replace_store_insn): Use set_block_for_new_insns.
2437 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2438 Jeff Law <law@redhat.com>
2440 * alias.c (get_addr): Externalize.
2441 (canon_true_dependence): New function. Behaves like true_dependance
2442 except it already assumes a MEM has been canonicalized.
2443 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2444 * gcse.c (struct ls_expr): Add load/store expressions structure.
2445 (modify_mem_list, canon_modify_mem_list): New variable.
2446 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2447 load motion and store motion if requested.
2448 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2449 (free_gcse_mem): Free the modify_mem_list array.
2450 (oprs_unchanged_p): Use load_killed_in_block_p.
2451 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2452 (mems_conflict_for_gcse_p): New function. Don't kill loads
2453 with stores to themselves if its in the load/store expression list.
2454 (load_killed_in_block_p): New function.
2455 (canon_list_insert): New Function.
2456 (record_last_mem_set_info): Keep a list of all instructions which
2457 can modify memory for each basic block.
2458 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2459 (oprs_not_set_p): Use load_killed_in_block_p.
2460 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2461 (expr_killed_p): Use load_killed_in_block_p.
2462 (compute_transp): Do not pessimize memory references.
2463 (pre_edge_insert): Update stores for a load motion expression.
2464 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2465 (ldst_entry): Find or create a ldst_expr structure.
2466 (free_ldst_entry): Free memory for an individual item.
2467 (free_ldst_mems): Free entire load/store expression list.
2468 (print_ldst_list): Print debug info.
2469 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2470 (enumerate_ldsts): Assign integer values to each entry in list.
2471 (first_ls_expr): First expression in the list.
2472 (next_ls_expr): Next expression in the list.
2473 (simple_mem): Check if expression qualifies for ld/st expression list.
2474 (invalidate_any_buried_refs): Remove from expression list if its
2475 used in some other way we dont understand.
2476 (compute_ld_motion_mems): Find all potential enhanced load motion
2478 (trim_ld_motion_mems): Remove any expressions which are invalid.
2479 (update_ld_motion_stores): Copy store values to registers for loads
2480 which have been moved.
2481 (regvec, st_antloc, num_store): New global statics.
2482 (reg_set_info): Marks registers as set.
2483 (store_ops_ok): Verfies registers expressions are valid in a block.
2484 (find_moveable_store): Look for moveable stores in a pattern.
2485 (compute_store_table): Find stores in a function worth moving, maybe.
2486 (load_kills_store): Check dependance of a load and store.
2487 (find_loads): Find any loads in a pattern.
2488 (store_killed_in_insn): Check if a store is killed in an insn.
2489 (store_killed_after): Check is store killed after an insn in a block.
2490 (store_killed_before): Check is store killed before an insn in a block.
2491 (build_store_vectors): Generate the antic and avail vectors.
2492 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2493 (insert_store): Add a store to an edge.
2494 (replace_store_insn): Replace a store with a SET insn.
2495 (delete_store): Delete a store insn.
2496 (free_store_memory): Free memory.
2497 (store_motion): Perform store motion.
2498 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2499 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2500 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2501 (f_options): Add gcse-lm and gcse-sm.
2503 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2505 * i386.c (expand_fp_movcc): Fix condition reversal code.
2507 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2508 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2509 (CLASS_MAX_NREGS): Use it.
2511 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2512 handle properly complex values.
2513 (CLASS_MAX_NREGS): Likewise; update comment.
2515 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2517 * ia64.c (ia64_flag_schedule_insns2): New variable.
2518 (ia64_override_options): Initialize it. Clear
2519 flag_schedule_insns_after_reload.
2520 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2522 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2524 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2525 Do not require source to match destination anymore;
2526 Add abort to the nontrivial cases that should be handled by split.
2527 (fix_trunc?fdi): Add SSE case for x86_64.
2528 (floatdi?f): Likewise.
2529 (floatdi?f_sse): New.
2530 (fix_trunc?fdi_sse): New.
2532 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2534 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2535 (DEBUG_ARANGES_END_LABEL): Ditto.
2536 (dwarfout_init): Generate length and version fields at the start
2537 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2538 after the length field.
2539 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2540 the .debug_aranges info.
2542 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2544 * i386.c (call, call_value): Make sure that resulting call_insn
2545 does have proper second operand.
2547 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2549 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2550 function. Remove include of sys/cygwin.h.
2552 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2554 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2555 (CPP_SPEC): Always search */include/w32api for header files.
2556 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2557 (LINK_SPEC): Add "cyg" to the library search prefixes.
2559 2001-04-08 Philip Blundell <philb@gnu.org>
2561 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2563 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2565 * cpperror.c (print_location): Don't special case <stdin>.
2566 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2567 WARNING, but we don't check if we're in system headers.
2568 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2569 * cpplib.c (do_warning): Warn in system headers.
2571 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2573 * mbchar.c: Include config.h first.
2575 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2577 * config.gcc: Set default for xmake_file at top, not bottom.
2578 Change places that set xmake_file to "none" to set to the
2579 empty string instead, or remove them entirely if there is no
2580 default xmake_file for this cpu_type. Remove references to
2583 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2584 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2585 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2586 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2587 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2588 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2589 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2590 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2591 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2592 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2595 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2596 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2597 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2598 config/mips/x-sysv, config/rs6000/x-aix31:
2599 Just set CLIB to -lld or -lmld, as appropriate.
2601 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2602 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2603 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2604 config/mips/x-iris, config/pa/x-pa:
2605 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2606 OTHER_FIXINCLUDES_DIRS.
2608 * config/i386/x-djgpp: Don't set LN or LN_S.
2609 * config/m88k/x-dolph: Don't define __m88k__.
2610 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2611 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2612 * config/i860/fx2800.h: No need to #undef SVR4.
2614 38 x-host fragments remain, 2 x-cpu.
2616 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2618 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2620 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2622 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2624 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2626 * configure.in: Add check for lstat.
2627 * configure, config.in: Regenerate.
2628 * cppinit.c (append_include_chain): Make empty path ".".
2629 * cpplib.c (do_line): Don't simplify #line paths.
2630 * cppfiles.c (remove_component_p): New function.
2631 (find_or_create_entry): Acknowledge stat () errors during
2632 path simplification.
2633 (handle_missing_header): Don't simplify paths.
2634 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2635 the empty path untouched. Don't leave a trailing '/'.
2637 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2639 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2640 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2642 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2644 * cppfiles.c (open_file): Fail directories silently, but
2645 with an errno of NOENT set.
2646 (read_include_file): Move the common exit code to the sole
2647 caller. Return an int indicating success or failure. Let
2648 open_file handle directories.
2649 (stack_include_file): If read_include_file fails,
2650 push a "null" buffer.
2652 2001-04-05 DJ Delorie <dj@redhat.com>
2654 * function.h (virtuals_instantiated): Declare.
2655 * function.c: (virtuals_instantiated): Make global.
2656 * calls.c (emit_library_call_value_1): Use
2657 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2658 Otherwise, use the stack pointer directly.
2660 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2662 * i386.c (x86_initialize_trampoline): New global function.
2663 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2664 (INITIALIZE_TRAMPOLINE): Move offline.
2665 * i386-protos.h (x86_initialize_trampoline): Declare.
2667 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2669 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2670 (lea_0): Rename to lea_1.
2671 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2672 (lea_general_?): Allow SImodes on TARGET_64BIT
2673 (lea_general_?_zext): New patterns.
2674 (call_1, call_1_rex64): Fix.
2676 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2678 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2680 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2682 * i386.c (function_arg): Return constm1_rtx for last argument.
2683 (ix86_expand_prologue): Update gen_call calls.
2684 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2685 * i386.md (call_pop): Likewise.
2686 (call): Second operand is VOIDmode.
2687 (call_0): Likewise; Support 64bits.
2688 (call_exp): New expander.
2689 (call_1): Get to the sync.
2690 (call_1_exp): New pattern.
2691 (call_value): Support 64bit.
2692 (call_value_exp): New pattern.
2693 (untyped_call): Update gen_call call.
2694 (call_value_pop): Disable for 64bit.
2695 (call_value_0_rex64): New pattern.
2696 (call_value_1_rex64): Likewise.
2698 2001-04-05 Bo Thorsen <bo@suse.de>
2700 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2702 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2704 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2705 satisfies ANY_QI_REG_P.
2707 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2709 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2712 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2715 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2717 * config.gcc: Remove default for xm_file. Clean up local
2718 machine type handling. Remove settings of xm_file to
2719 something that doesn't exist. In the big switch, set xm_file,
2720 don't append to it (the value before the big switch is always
2721 null). Don't force build_xm_file or host_xm_file to have a value.
2722 * configure.in: Remove default for xm_file. Do not special
2723 case $cpu/xm-$cpu.h not existing.
2724 * configure: Regenerate.
2726 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2728 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2729 when folding integer division and modulo operations.
2731 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2733 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2734 instead of DWARF2_ADDR_SIZE for EH addresses.
2735 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2738 2001-04-04 Richard Henderson <rth@redhat.com>
2740 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2741 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2742 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2744 2001-04-04 Richard Henderson <rth@redhat.com>
2746 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2747 * configure: Rebuilt.
2749 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2751 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2752 push insns to delete to it instead of deleting them.
2753 (delete_null_pointer_checks): Delete insns from delete_list after
2754 all delete_null_pointer_checks_1 passes are done.
2756 2001-04-04 Richard Henderson <rth@redhat.com>
2758 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2759 * configure: Rebuilt.
2761 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2763 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2764 * config/romp/xm-romp.h: Delete.
2766 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2768 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2771 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2773 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2774 all labels present in rtx.
2775 (try_split) Call new function for all split insns.
2777 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2779 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2780 sure the change won't be validated.
2782 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2784 * rtl.h (set_noop_p): Declare.
2785 * flow.c (set_noop_p): Move from here ...
2786 * rtlanal.c (set_noop_p): ... to here and enhance.
2787 * cse.c (delete_trivially_dead_insns): Use it.
2788 * gcse.c (hash_scan_set): Likewise.
2789 * jump.c (delete_noop_moves): Likewise.
2790 * recog.c (split_all_insns): Likewise.
2792 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2794 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2795 stack pointer via a LO_SUM. Ditto for setting a temp register
2796 used to save to the stack. Set cfa_temp when setting fp, and
2797 allow matches to cfa_temp in addition to cfa_store when saving
2798 regs. Handle POST_INC and LO_SUM register stores. Document the
2799 changes and errors in rule 12 doco.
2801 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2802 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2803 (load_reg): Move closer to epilogue code.
2804 (DO_FRAME_NOTES): Define to control the following..
2805 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2806 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2808 (hppa_expand_epilogue): Likewise.
2810 2001-04-03 Richard Henderson <rth@redhat.com>
2812 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2813 * configure: Rebuild.
2815 2001-04-03 Richard Henderson <rth@redhat.com>
2817 * rtl.h (LCT_THROW): New.
2818 * calls.c (emit_library_call_value_1): Handle it.
2819 * except.c (connect_post_landing_pads): Use it.
2821 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2823 * gansidecl.h: Delete file.
2824 * configure.in: Change all refs to gansidecl.h to use
2825 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2827 * configure: Regenerate.
2829 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2830 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2831 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2832 Don't include gansidecl.h.
2833 * intl.c, main.c, version.c, fixinc/fixlib.h,
2834 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2837 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2839 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2842 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2844 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2845 config/i386/xm-next.h, config/i386/xm-sco.h,
2846 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2847 config/m88k/xm-m88k.h: Delete.
2849 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2850 * config/romp/xm-romp.h: Don't define bcopy.
2851 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2852 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2854 * config.gcc: Remove references to deleted files.
2856 14 xm-host.h remain, 1 xm-cpu.h.
2858 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2859 David S. Miller <davem@pierdol.cobaltmicro.com>
2860 Andrew MacLeod <amacleod@redhat.com>
2862 Use byte offsets in SUBREGs instead of words.
2864 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2865 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2866 to pass new argument.
2867 (add_stored_regs): Use subreg_regno_offset function.
2868 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2870 (precompute_arguments): Use gen_lowpart_SUBREG.
2871 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2872 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2873 (simplify_set): Rework to use SUBREG_BYTE.
2874 (expand_field_assignment): Use SUBREG_BYTE.
2875 (make_extraction): Use SUBREG_BYTE.
2876 (if_then_else_cond): Use SUBREG_BYTE.
2877 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2878 (gen_lowpart_for_combine): Compute full byte offset.
2879 * cse.c (mention_regs): Use SUBREG_BYTE.
2880 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2881 (canon_hash): Use SUBREG_BYTE.
2882 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2883 (gen_lowpart_if_possible): Formatting.
2884 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2886 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2887 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2888 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2889 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2890 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2891 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2892 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2893 certain invariants about SUBREGs the compiler creates.
2894 (gen_lowpart_SUBREG): New function.
2895 (subreg_hard_regno): New function to get the final register number.
2896 (gen_lowpart_common): Use SUBREG_BYTE.
2897 (gen_imagpart): Spacing nits.
2898 (subreg_realpart_p): Use SUBREG_BYTE.
2899 (gen_highpart): Use SUBREG_BYTE.
2900 (subreg_lowpart_p): Always compute endian corrected goal offset,
2901 even at the byte level, then compare against that.
2902 (constant_subword): New function, pulled out all constant cases
2903 from operand_subword and changed second argument name to offset.
2904 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2905 and call constant_subword to do the work. Return const0_rtx if
2906 looking for a word outside of OP.
2907 (operand_subword_force): Change second arg name to offset.
2908 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2909 (store_split_bit_field): Use SUBREG_BYTE.
2910 (extract_bit_field): Use SUBREG_BYTE.
2911 (extract_split_bit_field): Use SUBREG_BYTE.
2912 (expand_shift): Use SUBREG_BYTE.
2913 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2914 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2915 * flow.c (set_noop_p): Use SUBREG_BYTE.
2916 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2917 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2918 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2920 (optimize_bit_field): Use SUBREG_BYTE.
2921 (purge_addressof_1): Use SUBREG_BYTE.
2922 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2923 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2924 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2925 * gengenrtl.c (special_rtx): Add SUBREG.
2926 * global.c (mark_reg_store): Use SUBREG_BYTE.
2927 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2928 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2929 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2930 final byte offset is congruent to subreg's mode size.
2931 (subst_constants): Use SUBREG_BYTE.
2932 (mark_stores): Use subreg_regno_offset function.
2933 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2934 function and SUBREG_BYTE.
2935 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2936 (reg_is_born): Use subreg_hard_regno.
2937 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2938 endian correction code. Don't combine subregs unless resulting
2939 offset aligns with type. Fix subreg constant extraction for DImode.
2940 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2941 (general_operand): Remove dead mode_altering_drug code.
2942 (indirect_operand): Use SUBREG_BYTE.
2943 (constrain_operands): Use subreg_regno_offset function.
2944 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2945 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2946 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2947 * regs.h (REG_SIZE): Allow target to override.
2948 (REGMODE_NATURAL_SIZE): New macro which target can override.
2949 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2950 on the entire subreg rtx.
2951 (push_reload): Use SUBREG_BYTE in comments and code.
2952 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2953 for hard registers inside subregs.
2954 (operands_match_p): Use subreg_regno_offset.
2955 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2956 containing hard regs.
2957 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2958 corrections when fixing up MEM subregs.
2959 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2960 subreg_regno_offset where appropriate.
2961 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2962 byte endian corrections when fixing up MEM subregs.
2963 (subst_reloads): When combining two subregs, make sure final
2964 offset is congruent to subreg's mode size.
2965 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2966 (refers_to_regno_for_reload_p): Use subreg_regno.
2967 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2968 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2969 correction code for memory subreg fixups.
2970 (forget_old_reload_1): Use subreg_regno_offset.
2971 (choose_reload_regs): Use subreg_regno.
2972 (emit_input_reload_insns): Use SUBREG_BYTE.
2973 (reload_combine_note_store): Use subreg_regno_offset.
2974 (move2add_note_store): Use subreg_regno_offset.
2975 * resource.c (update_live_status, mark_referenced_resources): Use
2976 subreg_regno function.
2977 (mark_set_resources): Use subreg_regno function.
2978 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2979 (subreg_regno_offset, subreg_regno): Define prototypes.
2980 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2981 (gen_lowpart_SUBREG): Add prototype.
2982 * rtl.texi (subreg): Update to reflect new byte offset representation.
2983 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2984 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2985 (reg_overlap_mentioned_p): Use subreg_regno.
2986 (replace_regs); Make sure final offset of combined subreg is
2987 congruent to size of subreg's mode.
2988 (subreg_regno_offset): New function.
2989 (subreg_regno): New function.
2990 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2991 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2992 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2993 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2994 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2995 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2996 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2997 (print_operand): Use SUBREG_BYTE.
2998 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2999 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3000 (arm_reload_out_hi): Use SUBREG_BYTE.
3001 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3002 instead of SUBREG_WORD.
3003 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3004 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3005 SUBREG creation to use byte offset.
3006 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3007 inverted load insns): Fix explicit rtl subregs to use byte
3009 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3010 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3011 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3012 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3013 to use byte offsets.
3014 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3015 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3016 offsets, also make sure it is congruent to SUBREG's mode size.
3017 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3018 unnamed ldob insn): Generate SUBREGs with byte offset.
3019 (zero_extendqihi2): SUBREG's are byte offsets.
3020 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3021 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3022 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3023 zero-extendqisi2): Generate SUBREGs with byte offset.
3024 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3025 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3026 subregs in rtl to use byte offsets.
3027 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3028 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3029 (mips_move_2words): Use subreg_regno_offset.
3030 (mips_secondary_reload_class): Use subreg_regno_offset.
3031 * config/mips/mips.md (DImode plus, minus, move, and logical op
3032 splits): Fixup explicit subregs in rtl to use byte offsets.
3033 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3034 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3035 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3036 rtl to use byte offsets.
3037 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3038 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3039 subregs to use byte offsets.
3040 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3041 Fixup explicit subregs in rtl to use byte offsets.
3042 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3043 and remove byte endian correction code.
3044 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3045 (gen_ashift_hi): Use SUBREG_BYTE.
3046 (regs_used): Use subreg_regno_offset.
3047 (machine_dependent_reorg): Use subreg_regno_offset.
3048 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3049 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3050 (movdf_i4): Subregs are byte offsets now.
3051 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3052 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3053 (REGMODE_NATURAL_SIZE): Override.
3054 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3055 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3057 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3058 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3059 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3060 it is congruent to SUBREG's mode size.
3061 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3063 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3064 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3065 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3066 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3067 * config/v850/v850.c (print_operand, output_move_double): Use
3068 subreg_regno function.
3070 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3072 * configure.in (target_subdir): Use target_alias, not target.
3073 * configure: Rebuilt.
3075 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3077 * config/sh/crti.asm: Fix typos in comments.
3079 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3081 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3082 TARGET_FAST_INDIRECT_CALLS.
3083 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3085 (return_addr_rtx): Short circuit export stub matching when
3086 TARGET_NO_SPACE_REGS.
3087 (output_millicode_call): For out of range calls, make -fPIC
3088 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3089 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3090 * pa.md: Modify length attr calculation of all millicode insns to
3093 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3095 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3096 Require at least 2.11 in the version test. Specifically check
3097 for and reject GAS version 2.10.90.
3098 * configure: regenerate.
3100 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3102 * pa.c (override_options): Remove PIC profiling warning.
3103 (hp_profile_labelno): Delete.
3104 (hp_profile_label_rtx): Delete.
3105 (hp_profile_label_name): Delete.
3106 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3107 (output_function_prologue): Remove profiling code and all tests on
3108 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3109 merge_sp_adjust_with_store can work for PIC and profiling.
3110 (hppa_expand_epilogue): Remove profile_flag test.
3111 (hppa_can_use_return_insn_p): Likewise.
3112 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3113 cater for PROFILE_HOOK.
3114 (hppa_profile_hook): New function.
3115 * pa.h (FUNCTION_PROFILER): Now does nothing.
3116 (PROFILE_HOOK): Define.
3117 (hppa_profile_hook): Declare.
3118 (PROFILE_BEFORE_PROLOGUE): Delete.
3119 (ASM_OUTPUT_REG_PUSH): Delete.
3120 (ASM_OUTPUT_REG_POP): Delete.
3121 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3122 r24. Accept function name operand, and use this and a locally
3123 generated label to calculate pc-rel offset to func start.
3125 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3127 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3128 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3131 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3133 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3134 LO_SUM cases to where they belong.
3136 2001-04-02 Richard Henderson <rth@redhat.com>
3138 * except.h (lang_eh_type_covers): Mark extern.
3139 (lang_eh_runtime_type): Likewise.
3141 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3143 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3144 gengenrtl.c: Wrap generated header in multiple-include guard.
3145 Improve error checking.
3147 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3149 * configure.in: Don't check for putenv.
3150 * configure: Regenerate.
3151 * gcc.c (putenv): Don't define.
3152 * vax/xm-vms.h: Handle putenv.
3154 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3156 * ifcvt.c (noce_emit_move_insn): New.
3157 (noce_try_store_flag, noce_try_store_flag_constants,
3158 noce_try_store_flag_inc, noce_try_store_flag_mask,
3159 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3160 noce_try_abs): Use it.
3161 (noce_process_if_block): Likewise.
3162 For STRICT_LOW_PART, take mode from its SUBREG.
3164 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3166 * fold-const.c (fold): Before optimizing unsigned comparison with
3167 0x7fffffffU, make sure arg0 is integral type.
3169 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3171 * c-tree.texi: Document representation of wide strings.
3173 2001-04-01 Richard Henderson <rth@redhat.com>
3175 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3177 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3179 * i386.md: remove obsoleted comments.
3180 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3181 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3182 fix output template.
3184 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3186 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3188 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3190 * loop.c (load_mems): When generating a load from a pseudo, update
3193 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3195 * i386.c (ix86_split_long_move): Use change address to compensate
3196 stack pointer change in push instruction.
3198 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3200 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3201 instead of rtx_equal_p; fix the output template.
3203 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3205 * i386.c (ix86_expand_setcc): Support 64bit.
3206 (ix86_expand_int_movcc): Likewise.
3207 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3210 * i386.md (allocate_stack_worker): Turn to expander.
3211 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3213 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3215 2001-03-29 Richard Henderson <rth@redhat.com>
3217 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3219 2001-03-28 Matthew Hiller <hiller@redhat.com>
3221 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3224 * MAINTAINERS: Added self.
3226 2001-03-28 Richard Henderson <rth@redhat.com>
3228 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3229 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3231 2001-03-28 Jim Wilson <wilson@redhat.com>
3233 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3236 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3238 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3240 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3243 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3245 2001-03-28 DJ Delorie <dj@redhat.com>
3247 * Makefile.in (stage1_build): Revert CFLAGS patch.
3249 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3251 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3252 when multiplier or multiplicand is zero.
3254 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3256 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3258 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3260 (set_src_needs_barrier): Likewise.
3261 (rtx_needs_barrier): For SET case, use these two functions. Rework
3262 PARALLEL case to handle all inputs before all outputs.
3263 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3264 saw a label and no stop bit since then.
3265 (maybe_rotate, process_epilogue): Add prototypes.
3267 2001-03-28 Richard Henderson <rth@redhat.com>
3269 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3270 not TARGET_TOC for special toc restore handling.
3271 * config/rs6000/rs6000.md (eh_return): Likewise.
3273 2001-03-28 Richard Henderson <rth@redhat.com>
3275 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3276 current_function_calls_eh_return.
3277 (output_function_epilogue): Handle eh_return.
3278 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3279 (EH_RETURN_DATA_REGNO): New.
3280 (EH_RETURN_STACKADJ_RTX): New.
3281 (EH_RETURN_HANDLER_RTX): New.
3282 * config/sparc/sparc.md (call/short branch peepholes): Check
3283 can_throw_internal instead of in_same_eh_region.
3285 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3286 for eh_return data registers.
3287 (rs6000_emit_prologue): Save eh_return data registers.
3288 (rs6000_emit_epilogue): Force inline restores if eh_return.
3289 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3290 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3291 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3292 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3293 the target uses one.
3294 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3295 (return_eh_si, return_eh_di): Remove.
3296 (eh_return): New, from corpse of eh_epilogue.
3297 (eh_set_lr_si, eh_set_lr_di): New.
3299 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3300 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3301 True for pic register if current_function_calls_eh_return.
3302 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3303 Handle eh_return requirements.
3304 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3305 (EH_RETURN_STACKADJ_RTX): New.
3306 * config/i386/i386.md (exception_receiver): Remove.
3307 (eh_return, eh_return_1): New.
3308 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3310 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3311 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3312 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3313 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3314 (EH_RETURN_DATA_REGNO): New.
3315 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3316 * config/alpha/alpha.md (eh_epilogue): Remove.
3317 (exception_receiver): Use $26 for ldgp input.
3318 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3320 2001-03-28 Richard Henderson <rth@redhat.com>
3322 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3323 * except.h: Likewise.
3325 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3326 (LIB2ADDEHDEP): New.
3327 (LIB2FUNCS_EH): Remove.
3328 (LIB2ADD): Remove LIB2ADDEH.
3329 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3330 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3331 (crt{begin,end}[S].o): Likewise.
3332 (except.o): Update includes.
3333 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3334 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3336 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3337 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3338 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3339 * builtins.c (expand_builtin): Implement it.
3340 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3341 * c-common.c (c_common_nodes_and_builtins): Declare it.
3342 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3343 * calls.c (libfunc_nothrow): Remove.
3344 (emit_library_call_value_1): Don't call it.
3345 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3346 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3347 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3348 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3349 (current_funcdef_number): Globalize.
3350 (output_call_frame_info): Emit frame data if an lsda is needed.
3351 Generate augmentation for personality routine. Don't play with
3353 (dwarf2out_begin_prologue): Record funcdef_number.
3354 * dwarf2out.h (current_funcdef_number): Declare.
3355 * expr.c (expand_expr): Update for except.h name changes.
3356 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3357 * expr.h (LTI_throw, LTI_rethrow): Remove.
3358 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3359 (LTI_eh_rtime_match): Remove.
3360 (LTI_unwind_resume, LTI_eh_personality): Add.
3361 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3362 * final.c (final): Don't call check_exception_handler_labels,
3363 init_insn_eh_region, or free_insn_eh_region.
3364 (final_scan_insn): Always emit debug labels for
3365 NOTE_INSN_EH_REGION notes.
3366 * flags.h (flag_new_exceptions): Remove.
3367 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3368 (record_active_eh_regions): Remove.
3369 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3370 Use can_throw_internal.
3371 (find_basic_blocks_1): Likewise.
3372 (move_stray_eh_region_notes): Remove.
3373 (find_label_refs): No eh_return_stub_label.
3374 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3375 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3377 (delete_unreachable_blocks): Don't track deleted handlers.
3378 (flow_delete_block): Use maybe_remove_eh_handler.
3379 (delete_eh_regions): Remove.
3380 (merge_blocks): Don't check for eh region match.
3381 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3382 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3383 (init_propagate_block_info): Disable dead frame store optimization
3384 when current_function_calls_eh_return.
3385 (dump_bb): Don't print eh_beg, eh_end.
3386 * function.c (fixup_var_refs): No catch_clauses.
3387 (expand_function_end): Likewise. Call expand_eh_return before
3388 the return register use. Call sjlj_emit_function_exit_after.
3389 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3390 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3391 * ifcvt.c (dead_or_predicable): Remove eh region check.
3392 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3393 Don't check for EH vs parameters.
3394 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3395 (expand_inline_function): Call duplicate_eh_regions.
3396 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3397 (copy_insn_notes): Remap REG_EH_REGION notes.
3398 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3399 * integrate.h (struct inline_remap): Add local_return_label.
3400 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3401 check_exception_handler_labels, nor exception_optimize.
3402 (find_cross_jump): No EH region check.
3403 * optabs.c (init_optabs): Update for changed eh libfuncs.
3404 * rtl.def (RESX): New.
3405 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3406 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3407 checks. Update for except.h name changes.
3408 (expand_cleanups): Likewise.
3409 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3410 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3411 (compile_file): Call init_eh before init_optabs. Don't
3412 output_exception_table here.
3413 (rest_of_compilation): Call convert_from_eh_region_ranges,
3414 convert_to_eh_region_ranges, output_function_exception_table.
3415 Don't emit_eh_context.
3416 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3417 (EXC_PTR_EXPR): New.
3419 * md.texi (eh_epilogue): Remove.
3420 (eh_return): Document.
3421 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3422 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3424 * eh-common.h: Remove file.
3425 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3426 * libgcc2.c (L_eh): Remove.
3428 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3429 * unwind-dw2-fde.h: New file.
3430 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3431 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3432 * libgcc-std.ver: Update for eh symbols.
3434 2001-03-27 Richard Henderson <rth@redhat.com>
3436 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3437 reduce false positives.
3438 (regmove_optimize): Disable if flag_non_call_exceptions.
3440 * stmt.c (expand_return): Remove always true predicate.
3441 (expand_decl_cleanup_no_eh): Remove dead code.
3443 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3444 barrier code. Add a scheduling barrier if a non-call insn
3445 can throw internally.
3447 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3448 Auto-inc addresses trap only if their base register does.
3450 * except.c (can_throw_internal): Rename from can_throw.
3451 * except.h, resource.c: Update references.
3453 * integrate.c (copy_insn_list): Use returnjump_p.
3454 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3456 * function.h (struct function): Move all boolean valued fields
3457 to single bit fields at the end of the struct.
3459 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3461 Rename asynchronous_exceptions to flag_non_call_exceptions.
3463 * gthr-single.h (UNUSED): New. Distinguish between how C
3464 and C++ mark unused function arguments. Use throughout.
3466 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3467 value to target configuration header.
3468 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3469 * config.in, configure: Rebuild.
3470 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3471 configuration and target defines.
3472 (exceptions_via_longjmp): Remove.
3473 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3474 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3476 * except.h (flag_non_call_exceptions): Move ...
3477 * flags.h: ... here.
3479 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3480 exceptions, put the note on the trapping instruction.
3482 * flags.h (flag_new_exceptions): Remove.
3483 * toplev.c: Don't set it.
3484 * final.c: Don't check it.
3485 * except.c: Provide stub definition.
3487 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3488 (calculate_global_regs_live): Kill call-clobbered registers
3489 across exception edges.
3490 * reg-stack.c (convert_regs_1): Kill the entire target stack
3491 across non-call exception edges.
3493 * flow.c (cleanup_cfg): Take no argument.
3494 * output.h, sibcall.c, toplev.c: Update all calls.
3496 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3498 * configure.in: Don't check for bcopy.
3499 * configure, config.in: Regenerate.
3501 * system.h: Don't define or prototype bcopy, instead poison it.
3503 2001-03-27 Richard Henderson <rth@redhat.com>
3505 * function.c (expand_function_start): Set DECL_REGISTER on
3506 a pseudo used for DECL_RESULT.
3508 * rtl.h (LCT_NORETURN): New.
3509 * calls.c (emit_library_call_value_1): Handle it.
3511 2001-03-27 Stan Shebs <shebs@apple.com>
3513 * objc/objc-act.c (objc_init): Use dump_base_name.
3514 (gen_declaration): Clear the buffer arg.
3515 (gen_declaration_1): New function, body of gen_declaration.
3516 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3517 (gen_method_decl): Ditto, plus always clear buffer arg.
3518 (error_with_ivar): Simplify.
3519 (warn_with_method): Ditto.
3520 (build_message_expr): Don't clear buffers.
3521 (dump_interface): Ditto.
3522 (objc_debug): Ditto.
3523 (build_keyword_selector): Clear the buffer by only zeroing
3525 (objc_implementation_context): Declare.
3526 (start_class): Warn about missing @end.
3527 (finish_objc): Ditto.
3529 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3531 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3533 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3535 * Makefile.in (SYSTEM_H): Define.
3536 Depend on $(SYSTEM_H), not system.h.
3538 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3540 2001-03-27 Jim Wilson <wilson@redhat.com>
3542 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3544 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3545 (process_epilogue): New static function.
3546 (process_set): Call process_epilogue instead of emitting .restore
3548 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3550 * flow.c (struct reg_cond_life_info): New fields orig_condition
3552 (init_propagate_block_info): Set new fields.
3553 (mark_regno_cond_dead): Set and use new fields.
3554 (flush_reg_cond_reg_1): Likewise.
3555 (and_reg_cond, case AND): Check for redundant AND conditions.
3556 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3559 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3561 * cppmacro.c (stringify_arg): Null terminate strings.
3563 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3565 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3566 inclusion style. xm-m68hc11.h no longer exists.
3567 * config/m68hc11/xm-m68hc11.h: Delete file.
3568 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3570 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3571 Don't define GCC_VERSION, N_, or PARAMS; don't include
3572 gansidecl.h or stdio.h. Define inhibit_libc here.
3573 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3574 Delete code conditioned on #if GCC_VERSION == 2095.
3576 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3577 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3578 Delete code conditioned on #if GCC_VERSION == 2095.
3580 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3582 * system.h: Include symcat.h.
3583 (STRINGIFY): Don't define.
3585 * configure.in: Adjust comment.
3587 * builtins.c: Use STRINGX, not STRINGIFY.
3588 * gencheck.c: Likewise.
3589 * gengenrtl.c: Likewise.
3590 * protoize.c: Likewise.
3592 * cpplex.c: Don't include symcat.h.
3593 * cpplib.c: Likewise.
3595 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3597 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3599 * c-typeck.c (digest_init): Fold init expression.
3601 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3603 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3605 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3607 * except.c (eh_regs): Save results of build_pointer_type to a temp
3608 as FUNCTION_VALUE macro may evaluate its args multiple times.
3610 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3612 * c-common.h (DECL_NUM_STMTS): New macro.
3613 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3615 (pushdecl): Likewise.
3616 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3617 * integrate.c (expand_inline_function): Don't check
3619 * print-tree.c (print_node): Don't print it.
3620 * toplev.c (rest_of_compilation): Don't try to inline when
3621 flag_no_inline is on.
3622 * tree.h (DECL_FRAME_SIZE): Remove.
3623 (tree_decl): Adjust accordingly.
3625 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3627 * combine.c (try_combine): Use memcpy, not bcopy.
3629 * genattrtab.c (expand_units): Likewise.
3631 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3633 * i386.md (push mem DI peep2): New.
3634 (mov 0, mov -1 peep2): Handle 64bit.
3635 (lea to arithmetics peep2): Handle 64bit leas.
3636 (rsp arithmetics to push/pop peep2s): New.
3638 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3640 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3642 * i386.c (struct machine_function): Add save_varrargs_registers.
3643 (ix86_save_varrargs_registers): New macro.
3644 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3645 (ix86_expand_prologue): Likewise.
3646 (ix86_emit_epilogue_esp_adjustement): Likewise.
3647 (ix86_expand_epilogue): Likewise.
3648 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3649 (pro_epilogue_adjust_stack_1): New insn.
3650 (pro_epilogue_adjust_stack_rex64): Likewise.
3651 * i386.h (MASK_NO_RED_ZONE): New constant.
3652 (TARGET_RED_ZONE): New macro.
3653 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3654 (RED_ZONE_SIZE): New constant.
3655 (RED_ZONE_RESERVE): New constant.
3657 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3659 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3661 2001-03-25 Kazu Hirata <kazu@hxi.com>
3663 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3666 (umodhi3): Likewise.
3669 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * mkconfig.sh (DEFINES): Handle entries with '='.
3673 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3674 Set xm_defines to MACRO=value instead.
3676 * i370/xm-mvs.h: Delete.
3678 * ns32k/xm-pc532-min.h: Likewise.
3680 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3682 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3684 use ix86_expand_binary_operator
3685 (?sh??i_?): Disable for 64bit.
3686 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3687 * i386.c (shiftdi_operand): New predicate.
3689 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3690 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3691 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3692 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3693 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3694 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3695 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3696 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3697 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3698 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3699 (rotldi3, rotrdi3): New expanders.
3701 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3703 * i386.md (movstrsi): Move offline.
3705 (strmovdi_rex64): New.
3706 (strmov?i): Accept 64bit.
3707 (strmov?i_rex64): New.
3708 (strmov?i_rex_1): New.
3709 (strmov?i_1): Disable for 64bit.
3710 (rep_mov?i_rex64): New.
3711 (rep_mov?i): Disable for 64bit.
3712 (clrstrsi): Move offline.
3713 (strset?i_rex64): New.
3714 (strset?i: Accept 64bit.
3715 (rep_stos?i): Disable for 64bit.
3716 (rep_stos?i_rex64): New.
3717 (strset?i_rex_1): New.
3718 (strset?i_1): Disable for 64bit.
3719 (cmpstrsi): Accept 64bit.
3720 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3721 (cmpstrqi_nz_rex_1): New.
3722 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3723 (strlensi): Move offline.
3725 (strlenqi_1): Disable for 64bit; fix constraints.
3726 (strlenqi_rex_1): New.
3727 * i386.c (ix86_adjust_counter): New static function.
3728 (ix86_zero_extend_to_Pmode): Likewise.
3729 (ix86_expand_aligntest): Likweise.
3730 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3731 (ix86_expand_movstr): New global function.
3732 (ix86_expand_clrstr): New global function.
3733 (ix86_expand_strlen): New global function.
3734 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3735 ix86_expand_strlen): Declare.
3736 (ix86_expand_strlensi_unroll_1): Delete.
3738 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3740 * i386.md (cmpdi): Fix operand predicates.
3741 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3742 cmpdi_1_insn_rex64): New patterns.
3743 (adddi3): Turn to expander.
3744 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3745 (addsi3_carry_zext): New pattern.
3746 (adddi_?_rex64): New patterns and splitters.
3747 (addsi_?_zext): New patterns.
3748 (subsi3_carry_zext): New pattern.
3749 (subdi_?_rex64): New patterns and splitters.
3750 (iorsi_?_zext): New patterns.
3751 (iordi_?_rex64): New patterns and splitters.
3752 (iorsi_?_zext): New patterns.
3753 (iorsi_?_zext_imm): New patterns.
3754 (xorsi_?_zext): New patterns.
3755 (xordi_?_rex64): New patterns and splitters.
3756 (xorsi_?_zext): New patterns.
3757 (negdi*): New patterns.
3758 (one_cmpldi*): Likewise.
3759 (one_cmplsi*_zext, negsi*_zext): Likewise.
3760 (testqi_ext_3_rex64): New pattern.
3762 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3764 * i386-protos.h (ix86_split_long_move): Return void.
3765 * i386.c (ix86_split_to_parts): Handle 64bit target.
3766 (ix86_split_long_move): Likewise.
3767 * i386.md (all calls to ix86_split_long_move): Update.
3769 2001-03-23 Richard Henderson <rth@redhat.com>
3771 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3772 to avoid shadowing arguments.
3774 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3776 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3777 to variable names where DECL_NAME is different from
3778 DECL_ASSEMBLER_NAME.
3780 2001-03-23 Jim Wilson <wilson@redhat.com>
3782 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3783 (assemble_alias): Call make_decl_rtl.
3785 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3787 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3789 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3791 * extend.texi: Document the "java_interface" attribute.
3793 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3795 * mkconfig.sh: Use a subshell with redirected stdout,
3796 instead of closing stdout and confusing commands that run
3797 afterward. Throw away output of cmp.
3799 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3801 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3803 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3805 * i386.md (zero_extendsidi2_32): Break out from ...
3806 (zero_extendsidi2): ... here ; turn to expander.
3807 (zero_extendsidi2_rex64): New.
3808 (extendsidi2_32): Break out from ...
3809 (extendsidi2): ... here ; turn to expander.
3810 (extendsidi2_rex64): New.
3811 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3812 (trunc?f?f splitters): Add 64bit versions.
3814 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3816 * i386.md (pushsi, pushsi2_prologue): Disable.
3817 (pushsi2_rex64): New.
3818 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3819 (movqi_ext_1): Disable for 64bit.
3820 (movqi_ext_1_rex64): New.
3821 (pushdi2_rex64): New pattern, peep2s and splitter.
3822 (pushdi2_prologue_rex64): New pattern.
3823 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3825 (movdi splitters): Disable for 64bit.
3826 (movdi_1_rex64): New pattern, peep2s and splitters.
3827 (swapdi): New pattern.
3828 (pushsf): Disable for 64bit.
3829 (pushsf_rex64): New pattern and splitter.
3830 (pushdf_nointeger): Disable for 64bit.
3831 (pushdf_integer): Handle the 64bit case.
3832 (pushtf): Likewise; update splitters.
3834 2001-03-22 Richard Henderson <rth@redhat.com>
3836 * mkconfig.sh: Include insn-flags.h.
3837 * Makefile.in (CONFIG_H): Include insn-flags.h.
3838 (lots of objects): Remove insn-codes.h and insn-flags.h.
3840 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3841 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3842 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3843 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3844 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3845 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3846 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3847 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3848 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3849 v850/v850.c, vax/vax.c:
3850 Don't include insn-flags.h.
3852 * diagnostic.c, expr.h, reload.c, toplev.c:
3853 Don't include insn-codes.h.
3855 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3856 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3857 c4x/c4x.c, i960/i960.c, mips/mips.c:
3858 Don't include insn-codes.h or insn-flags.h.
3860 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3861 or insn-flags.h in the generated code.
3862 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3863 (main): Forward declare struct rtx_def.
3865 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3867 * invoke.texi (-ffast-math): Remove duplicate line about
3870 * gcc.texi: Remove more obsolete documentation of bugs and
3871 installation problems.
3873 2001-03-21 Kazu Hirata <kazu@hxi.com>
3875 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3878 2001-03-20 Jason Merrill <jason@redhat.com>
3880 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3882 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3883 * varasm.c (CHKR_PREFIX): Likewise.
3885 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3887 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3888 is part of a multi-SET insn.
3890 * cse.c (find_comparison_args): Remove previous change.
3891 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3894 * config/i386/i386.md (conditional_trap): Remove warning.
3896 * recog.c (push_operand): Fix error in last change that caused
3897 undefined symbol on many targets.
3899 * sdbout.c: #include ggc.h.
3900 (sdbout_init): Move to end of file.
3901 Call ggc_add_tree_root for anonymous_types.
3902 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3903 (sdbout_one_type): Use DECL_NAME for field name.
3904 * Makefile.in (sdbout.o): Show includes ggc.h.
3906 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3908 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3909 (override_options): Use properlimits for preferred_stack_boundary.
3910 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3912 (ext_register_operand): Accept DImode.
3913 (load_pic_register): Abort on 64bit.
3914 (gen_push): Use Pmode instead of SImode.
3915 (ix86_save_reg): Pic reg is never used on 64bit.
3916 (ix86_expand_prologue): Likewise.
3917 (ix86_emit_save_regs): Use Pmode instead of SImode.
3918 (legitimate_address_p): Check displacement for 64bit.
3919 (print_operand): Avoid outputting of (%rip) on 64bit.
3920 (print_operand_address): Output (%rip) where possible.
3921 (split_di): Abort on 64bit registers.
3922 (ix86_expand_branch): DImode comparison is simple for x86_64.
3923 (memory_address_length): Recognize memory addresses formed using
3925 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3927 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3929 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3931 * recog.c (push_operand): Recognize new format of push instructions.
3933 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3935 * i386.md (pushqi1): New.
3936 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3937 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3938 x86_64_immediate_operand, x86_64_immediate_operand,
3939 x86_64_zext_immediate_operand): Declare.
3940 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3941 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3942 x86_64_immediate_operand, x86_64_immediate_operand,
3943 x86_64_zext_immediate_operand): define.
3944 * i386.h (PREDICATE_CODES): Add new predicates.
3946 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3948 * i386.md (pophi1, popqi1, pushqi1): Remove.
3950 * expr.c (emit_single_push_insn): New function.
3951 (move_by_pieces): Accept NULL as destination for push instructions.
3952 (gen_push_operand): Kill.
3953 (emit_push_insn): Pass NULL when pushing; avoid updating of
3954 stack_pointer_delta.
3955 * expr.h (gen_push_operand): Kill.
3957 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3959 * rtl.texi (COMPARE): Clarify documentation and reference section
3962 2001-03-20 Stan Shebs <shebs@apple.com>
3964 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3965 (get_object_reference): Ditto.
3966 (error_with_ivar): Use error_with_file_and_line.
3967 (warn_with_method): Use warning_with_file_and_line.
3969 2001-03-20 Tom Tromey <tromey@redhat.com>
3971 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3973 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3975 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3976 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3978 2001-03-20 DJ Delorie <dj@redhat.com>
3980 * Makefile.in (install-libgcc): Pass complete list of variables.
3981 (install-multilib): Ditto.
3983 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3985 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3986 drectve_section, switch_to_section.
3988 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3989 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3990 i386_pe_mark_dllimport.
3992 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3994 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3995 functions i386_pe_*.
3997 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3998 i386_pe_* functions with char * arguments.
4000 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4002 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4004 (movsi_ie): Introduce fpul store.
4006 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4008 * Makefile.in (OBJS): Remove hashtab.o.
4010 2001-03-19 Stan Shebs <shebs@apple.com>
4012 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4013 * c-lang.c (maybe_objc_method_name): Ditto.
4014 * c-tree.h (maybe_objc_method_name): Remove decl.
4016 2001-03-19 Tom Tromey <tromey@redhat.com>
4018 * gcc.c (init_gcc_specs): Fix comment.
4020 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4022 Compute DECL_ASSEMBLER_NAME lazily.
4023 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4024 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4025 (SET_DECL_ASSEMBLER_NAME): Likewise.
4026 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4027 (set_decl_assembler_name): Declare.
4028 (lang_set_decl_assembler_name): Likewise.
4029 * tree.c (lang_set_decl_assembler_name): New variab.e
4030 (set_decl_assembler_name): New function.
4031 (init_obstacks): Set lang_set_decl_assembler_name.
4032 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4033 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4034 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4035 where it's not necessary.
4036 (builtin_function): Likewise.
4037 (finish_decl): Likewise.
4038 * dbxout.c (dbxout_type_methods): Likewise.
4039 * ggc-common.c (ggc_mark_trees): Likewise.
4040 * profile.c (output_func_start_profiler): Likewise.
4041 * varasm.c (make_decl_rtl): Likewise.
4043 * cse.c (find_comparison_args): Update documentation. Fix
4044 mishandling of COMPARE operations.
4046 * tree.def (ABS_EXPR): Add documentation.
4047 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4049 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4051 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4053 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4055 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4056 Remove ia32 linux PIC kludge and move it...
4057 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4059 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4061 * i386.md (absdf2 expander): Fix 64bit case.
4063 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4065 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4067 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4069 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4071 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4073 * README.X11: Remove obsolete file.
4075 2001-03-18 Anthony Green <green@redhat.com>
4077 * config/pj/pj.h: Remove some trailing commas.
4078 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4080 2001-03-18 Richard Henderson <rth@redhat.com>
4082 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4083 * calls.c: ... here.
4084 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4085 defaults for them here.
4087 2001-03-17 Anthony Green <green@redhat.com>
4089 * config/pj/lib1funcs.S: Fix broken comment.
4090 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4093 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4095 * gcc.texi: Remove obsolete information relating to build and
4096 installation problems with enquire or the Pyramid C compiler.
4098 2001-03-17 Richard Henderson <rth@redhat.com>
4100 * dwarf2out.c (queue_reg_save): New.
4101 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4102 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4104 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4105 (cfa, cfa_store, cfa_temp): Make static.
4106 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4108 2001-03-17 Richard Henderson <rth@redhat.com>
4110 * integrate.h (struct inline_remap): Add local_return_label.
4111 * integrate.c (expand_inline_function): Initialize it and emit
4112 it after copy_insn_notes.
4113 (copy_insn_list): Don't store local_return_label here.
4114 (copy_insn_notes): New function split out from copy_insn_list.
4116 2001-03-17 Richard Henderson <rth@redhat.com>
4118 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4119 is generating .debug_line.
4120 (dwarf2out_init): Add main_input_filename to the file table first.
4121 * configure.in (as_dwarf2_debug_line): Test with file number 1
4122 instead of file number 0.
4124 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4126 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4127 (gen_rtx_combine): Deleted; all references changed as appropriate.
4128 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4130 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4132 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4134 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4137 2001-03-16 Jim Wilson <wilson@redhat.com>
4139 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4140 then set it to LOC_REG (79) instead of aborting.
4142 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4144 * gccbug.in: Remove high priority.
4146 2001-03-16 Richard Henerson <rth@redhat.com>
4148 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4149 output with a space instead of deleting it.
4150 * configure: Regenerate.
4152 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4154 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4155 handles the gory details of converting an object file into
4156 something that's safe to grep.
4157 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4158 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4159 newlines at either end of the string we're looking for.
4160 Make 'checking ...' message less stilted.
4161 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4162 ARM in-memory layout and its hypothetical converse. Don't
4163 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4164 HOST_WORDS_BIG_ENDIAN.
4166 * configure.in: Adjust for renamed macro. Move
4167 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4168 * configure, config.in: Regenerate.
4170 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4172 * fixinc/Makefile.in: Set SHELL.
4174 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4176 * fixinc/fixincl.c (fix_with_system): Quote file names before
4177 passing them to shell.
4179 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4181 * Makefile.in: Use fix-header$(build_exeext) instead
4184 2001-03-16 Richard Henderson <rth@redhat.com>
4186 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4187 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4188 (size_of_line_prolog): Remove.
4189 (output_line_info): Compute prologue size via label difference.
4190 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4192 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4193 assembler error when redefining file numbers.
4194 * config.in, configure: Rebuild.
4196 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4197 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4198 (dw2_asm_output_delta_uleb128): Likewise.
4199 (dw2_asm_output_delta_sleb128): Similarly.
4200 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4202 2001-03-16 Michael Meissner <meissner@redhat.com>
4204 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4206 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4208 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4210 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4211 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4212 being unsigned in ISO C and signed in traditional.
4213 (expand_prologue): Ditto.
4214 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4216 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4218 (divsi3,divdi3): Ditto.
4219 (modsi3,moddi3): Ditto.
4220 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4221 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4222 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4225 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4227 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4228 SSE based conditional moves on LTGT/UNEQ conditions;
4229 Canonicalize EQ to NE.
4230 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4231 (sse_mov?fcc_ne): New.
4233 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4235 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4237 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4238 register may be dead.
4240 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4242 * Makefile.in (hash.o): Depend on CONFIG_H.
4244 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4246 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4248 2001-03-15 Richard Henderson <rth@redhat.com>
4250 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4251 (ASM_OUTPUT_DWARF_PCREL): New.
4252 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4254 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4256 * cppfiles.c (stack_include_file): Use MAX of sysp.
4258 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4260 * config.gcc (ia64*-*-hpux*): New case.
4261 * config/ia64/hpux.h: New file for HP-UX support.
4262 * config/ia64/t-hpux: New file for HP-UX support.
4264 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4266 * fixinc/inclhack.def (irix_stdio_va_list): New.
4267 * fixinc/fixincl.x: Rebuilt.
4269 2001-03-15 Richard Henderson <rth@redhat.com>
4271 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4272 if provided by the target.
4273 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4274 (dw2_asm_output_addr): New.
4275 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4276 * dwarf2out.c (output_cfi): Use it for program addresses.
4277 (output_call_frame_info, output_die): Likewise.
4278 (output_aranges, output_line_info): Likewise.
4280 2001-03-15 Bruce Korb <bkorb@gnu.org>
4282 * gcc.c(main): make more rigorous
4283 * collect2.c(main): guard against ignoring SIGCHLD
4284 * protoize.c(main): ditto
4285 * gcc/fixinc/fixincl.c(initialize): ditto
4287 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4289 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4290 (sdbout_parms): Likewise.
4292 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4294 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4295 "widen" a destination that is already wider than a word. Also do
4296 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4298 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4300 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4302 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4304 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4306 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4308 * i960.h (i960_maxbitalignment,
4309 i960_last_maxbitalignment): Declare.
4310 * i960.c (i960_maxbitalignment,
4311 i960_last_maxbitalignment): Make global.
4312 (process_pragma): Delete.
4313 (i960_pr_align, i960_pr_noalign): Move from here ...
4314 * i960-c.c: ... to this new file.
4315 * t-960bare (i960-c.o): New rule.
4316 * t-vxworks960 (i960-c.o): Likewise.
4317 * config.gcc (i960-*-*): Define c_target_objs and
4320 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4322 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4323 without adding in rtx code and mode.
4325 * alias.c (init_alias_analysis): Don't use any rtx whose value
4326 varies as a known value.
4327 Delete a superfluous test.
4329 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4331 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4332 scheduling a stop bit.
4333 (ia64_emit_nops): Correctly handle ASMs.
4335 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4337 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4339 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4341 * cpp.texi: Update documentation for -include and -imacros.
4342 * cppfiles.c (struct include_file): Remove "defined" memeber.
4343 (find_or_create_entry): Make a copy of the file name, and
4345 (open_file): Update to ensure we use the simplified filename.
4346 (stack_include_file): Don't set search_from.
4347 (cpp_included): Don't simplify the path name here.
4348 (find_include_file): New prototype. Call search_from to
4349 get the start of the "" include chain. Don't simplify the
4351 (_cpp_execute_include): New prototype. Move diagnostics to
4352 do_include_common. Update.
4353 (_cpp_pop_file_buffer): Don't set defined.
4354 (search_from): New prototype. Use the preprocessor's cwd
4355 for files included from the command line.
4356 (read_name_map): Don't simplify the pathname here.
4357 * cpphash.h (enum include_type): New.
4358 (struct buffer): Delete search from. New search_cached.
4359 (_cpp_execute_include): Update prototype.
4360 * cppinit.c (do_includes): Use _cpp_execute_include.
4361 * cpplib.c (do_include_common): New function.
4362 (do_include, do_include_next, do_import): Use it.
4364 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4366 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4367 contents of the RTL, to determine the name of the object.
4369 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4371 * tree.h (DECL_RTL): Allocate RTL lazily.
4372 (SET_DECL_RTL): New macro.
4373 (DECL_RTL_SET_P): Likewise.
4374 (COPY_DECL_RTL): Likewise.
4375 (DECL_RTL_IF_SET): Likewise.
4376 * varasm.c (make_decl_rtl): Add assertions about the kind of
4377 declaration we are processing.
4378 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4379 (start_decl): Likewise.
4380 (finish_decl): Likewise.
4381 * c-semantics.c (emit_local_var): Likewise.
4382 * calls.c (expand_call): Likewise.
4383 * dbxout.c (dbxout_symbol): Likewise.
4384 * emit-rtl.c (unshare_all_rtl): Likewise.
4385 (unshare_all_decls): Likewise.
4386 (reset_used_decls): Likewise.
4387 * expr.c (store_constructor): Likewise.
4388 (safe_from_p): Likewise.
4389 (expand_expr): Likewise.
4390 * function.c (put_var_into_stack): Likewise.
4391 (instantiate_decls_1): Likewise.
4392 (assign_parms): Likewise.
4393 (expand_function_start): Likewise.
4394 (expand_function_end): Likewise.
4395 * ggc-common.c (gcc_mark_trees): Likewise.
4396 * integrate.c (function_cannot_inline_p): Likewise.
4397 (copy_decl_for_inlining): Likewise.
4398 (expand_inline_function): Likewise.
4399 (integrate_parm_decls): Likewise.
4400 (integrate_decl_tree): Likewise.
4401 * print-tree.c (print_node): Likewise.
4402 * reg-stack.c (stack_result): Likewise.
4403 * stmt.c (label_rtx): Likewise.
4404 (expand_return): Likewise.
4405 (expand_decl): Likewise.
4406 (expand_decl_cleanup): Likewise.
4407 (expand_anon_union_decl): Likewise.
4408 * toplev.c (check_global_declarations): Likewise.
4409 (rest_of_decl_compilation): Likewise.
4410 * tree.c (simple_cst_equal): Likewise.
4411 * objc/objc-act.c (generate_static_references): Likewise.
4413 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4415 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4416 gcc_AC_C_FLOAT_FORMAT): New macros.
4417 * configure.in: Add AC_PROG_CPP after CC tests;
4418 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4419 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4420 * configure, config.in: Regenerate.
4422 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4423 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4424 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4425 config/i370/xm-linux.h, config/i370/xm-oe.h,
4426 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4427 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4428 config/pa/xm-linux.h, config/pa/xm-pa.h,
4429 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4430 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4431 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4432 config/we32k/xm-we32k.h: Delete.
4434 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4435 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4436 config/vax/xm-vms.h: Don't define any of:
4437 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4439 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4441 * config.gcc: Remove references to deleted files.
4442 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4443 FATAL_EXIT_CODE, which is the same between oe and mvs).
4445 2001-03-14 DJ Delorie <dj@redhat.com>
4446 Vladimir Makarov <vmakarov@redhat.com>
4448 * config/i960/i960.c (i960_function_prologue): Compute size of
4449 frame according to number of registers actually saved there.
4451 2001-03-14 Richard Henderson <rth@redhat.com>
4453 * expr.c (emit_move_insn_1): Fix else if around #endif.
4455 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4458 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4461 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4463 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4464 (override_options): Parse cmodel string.
4465 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4466 * i386.h (TARGET_OPTIONS): Add "cmodel".
4467 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4469 (ix86_cmodel_string, ix86_cmodel): Declare.
4471 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4474 * i386.h (GENERAL_REG_P): Add missing REG_P.
4476 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4478 * configure.in: Use $gcc_cv_as instead of $as.
4479 * configure: Regenerated.
4481 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4483 * cppfiles.c (stack_include_file): Only increase the include
4484 count if we actually process the file properly, as opposed
4485 to treating it as length zero. Only call read_include_file
4486 if not DO_NOT_REREAD. Handle the -H include file output
4488 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4489 (cpp_included, find_include_file): Simplify pathnames after
4490 remapping them. If remapping, don't use the remapped file
4491 name's buffer as our scratch buffer.
4492 (cpp_pop_file_buffer): Replace the multiple include macro
4493 only if it isn't yet set.
4494 (read_name_map): Simplify remapped names when reading in.
4495 (remap_filename): Move code to code path that uses it.
4496 (_cpp_simplify_pathname): Return the input pointer.
4497 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4499 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4501 * expr.c (expand_expr): Revove bogus conditional.
4503 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4505 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4507 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4509 * reg-stack.c (stack_result): Unconditionally use
4510 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4512 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4514 * expr.c (emit_move_insn_1): Split push of complex value when
4515 no suitable push instruction exist.
4517 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4518 instead of QI_REG_P.
4520 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4522 * alias.c (handled_component_p, can_address_p): New functions.
4523 (get_alias_set): Use them.
4525 2001-03-13 Jim Wilson <wilson@redhat.com>
4527 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4528 from 80 in try_locals code.
4529 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4531 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4533 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4534 gcc_AC_C_LONG_LONG): New.
4535 * configure.in: Use them. Probe the size of short, int, long,
4536 and long long/__int64 if we have them. Move all the AC_C_*
4537 checks together, except gcc_AC_C_CHAR_BIT which has to go
4538 after AC_CHECK_HEADERS(limits.h).
4539 Take hwint.h out of host_xm_file and build_xm_file.
4541 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4542 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4543 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4544 Move the HOST_WIDEST_INT setup logic here from system.h.
4545 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4547 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4548 is now handled by hwint.h.
4550 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4551 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4552 config/ia64/xm-ia64.h: Don't define any of:
4553 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4554 HOST_BITS_PER_LONGLONG.
4556 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4557 config/h8300/xm-h8300.h, config/mips/iris6.h,
4558 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4559 config/sparc/xm-sp64.h: Delete.
4560 * config.gcc: Remove references to deleted files.
4562 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4563 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4564 * config/i370/xm-linux.h: Clarify floating-point situation in
4567 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4569 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4570 (find_include_file): Decide here which part of the include
4571 chain to start the search. Complain about an empty include
4572 chain in all cases apart from an abolsute file name.
4573 (_cpp_execute_include): Don't choose the search chain here.
4574 Don't call handle_missing_include in the case of an empty
4576 (_cpp_compare_file_date): Don't choose the search chain here.
4577 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4578 here from _cpp_execute_include. Behave like #include if
4579 we're in the main file.
4581 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4583 * system.h (malloc, realloc, calloc, strdup): Only poison these
4584 tokens when IN_GCC is defined.
4586 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4588 * i386.md (abs?f expander): Support SSE case.
4589 (abd?f_if): Add new "USE"; add splitters.
4591 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4593 * cpp.texi (poison): Explain the macro expansion exception.
4595 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4597 * expr.c (store_expr): Add dont_store_target. If temp is already in
4598 target before copying to reg, don't store it into target again.
4600 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4602 * cppinternals.texi: Update for file handling.
4604 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4606 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4607 2001-02-24 which broke building the Java library.
4608 * function.c (identify_blocks): Likewise.
4609 (all_blocks): Likewise.
4610 * integrate.c (integrate_decl_tree): Likewise.
4611 * print-tree.c (print_node): Likewise.
4612 * tree.h (BLOCK_NUMBER): Likewise.
4613 (struct tree_block): Likewise.
4615 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4617 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4618 __WCHAR_TYPE__ definition.
4619 (WCHAR_TYPE_SIZE): #undef before #define.
4621 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4623 * cppfiles.c: Update comments.
4624 (destroy_include_file_node): Rename destroy_node.
4625 (find_or_create_entry): New function.
4626 (open_file, _cpp_fake_include): Use it.
4627 (handle_missing_header): New function, broken out of
4628 _cpp_execute include. Don't segfault if there is no
4629 system or quoted path.
4630 (_cpp_execute_include): Use handle_missing_header.
4632 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4634 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4635 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4637 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4639 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4640 unless anti_dependence says they are.
4641 * alias.c (objects_must_conflict): If neither has a type specified,
4644 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4645 David Billinghurst <David.Billinghurst@riotinto.com>
4647 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4649 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4651 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4652 (*_one_bit): Remove type on the match_operand in attributes.
4654 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4656 * i386.c: Commit forgotten hunk in previous patch.
4657 (regclass_map): Add extended registers.
4658 (dbx_register_map): Add missing frame register.
4660 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4662 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4664 * i386.md (x86_sahf_1): Disable for 64bit.
4665 (popsi*, pophi*): Likewise.
4666 (pushqi, pushhi): Likewise.
4667 (movdi, pushdi): Likewise.
4668 (zero extend DImode splitter): Likewise.
4669 (adddi, minusdi splitter): Likewise.
4670 (umulsidi): Likewise.
4672 (mulsidi): Disable for 64bit
4673 (lshift:DI/ashift:DI): Disable for 64bit.
4674 (loop patterns): Likewise.
4675 (call_pop, call_value_pop expanders and patterns): Likewise.
4676 (prologue_get_pc): Likewise.
4678 (fcmovDI pattern and splitter): Likewise.
4679 (movdfcc_1_rex64): New.
4681 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4683 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4684 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4685 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4686 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4687 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4688 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4689 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4690 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4691 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4692 (REGPARM_MAX): Set to 6 for x86_64.
4693 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4694 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4697 * (patterns that does use upper halves): Update constraints
4698 'q' to 'Q' and 'r' to 'R'.
4699 (cmpqi_ext_1): Disable for 64bit.
4700 (cmpqi_ext_3_insn): Likewise.
4701 (movqi_extzv_1): Likewsie.
4702 (addqi_ext_1): Liekwsie
4703 (testqi_ext_1): Liekwsie
4704 (andqi_ext_1): Liekwsie
4705 (xorqi_ext_1): Liekwsie
4706 (cmpqi_ext_1_rex64): New.
4707 (cmpqi_ext_3_insn_rex64): Likewise.
4708 (movqi_extzv_1_rex64): Likewsie.
4709 (addqi_ext_1_rex64): Liekwsie
4710 (testqi_ext_1_rex64): Liekwsie
4711 (andqi_ext_1_rex64): Liekwsie
4712 (xorqi_ext_1_rex64): Liekwsie
4714 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4716 * configure.in: Move check for unsigned enumerated bitfields
4717 to macro in aclocal.m4. Disable it for now.
4718 * configure, config.in: Regenerate.
4719 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4720 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4721 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4722 kind above its first use.
4724 * config/xm-interix.h, config/alpha/xm-alpha.h,
4725 config/i370/xm-linux.h, config/i386/xm-beos.h,
4726 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4727 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4728 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4729 Don't define ONLY_INT_FIELDS under any circumstances.
4731 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4733 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4734 config/sparc/xm-sysv4.h: Delete - now identical with some
4736 * config.gcc (hppa targets): Replace xm-pahpux.h and
4737 xm-papro.h with implicit xm-pa.h.
4738 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4741 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4743 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4744 before reload_cse_noop_set_p.
4746 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4748 * config.gcc: Where xm-host.h used to include another
4749 xm-host.h, list the nested header directly in xm_file. Remove
4750 references to deleted files. Can now use sparc/xm-sp64.h for
4753 * config/xm-linux.h, config/arm/xm-linux.h,
4754 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4755 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4756 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4757 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4758 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4761 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4762 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4763 bother to wrap #undef in #ifdef.
4764 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4765 Don't include xm-linux.h.
4766 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4768 * configure.in: Wrap regexps using [] in changequote block.
4769 Use expr : not echo | grep. Simplify regexps.
4770 * configure: Regenerate.
4772 56 xm-files remain, 22 xm-arch.
4774 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4776 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4777 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4778 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4779 (copy_object): Fix format specifier vs argument mismatch.
4781 * mips-tdump.c: Make local functions static.
4782 (rindex): Don't #undef.
4783 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4784 (fatal, fancy_abort): Delete.
4785 (read_seek): Avoid signed/unsigned compare.
4787 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4789 * combine.c (try_combine): Fix error in change to try original
4791 (gen_rtx_combine): Do same as gen_rtx for now.
4793 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4795 * configure.in: AC_SUBST xm_defines.
4796 * configure: Regenerate.
4797 * Makefile.in: Set DEFINES=$(xm_defines) when building
4800 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4802 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4803 (cpp_included, find_include_file): Update.
4804 (_cpp_compare_file_date): Make else unconditional.
4806 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4808 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4810 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4812 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4813 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4815 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4817 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4818 if it's a record type.
4820 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4822 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4823 mingw includes slightly.
4825 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4827 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4828 #undef token before poisoning it.
4830 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4832 * alpha.c (check_float_value): Use memcpy, not bcopy.
4834 * m32r.c (m32r_sched_reorder): Likewise.
4836 * vax.c (check_float_value): Likewise.
4838 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4840 * toplev.c (file_name_nondirectory): Remove.
4841 * toplev.h: Similarly.
4842 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4843 of file_name_nondirectory.
4845 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4847 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4848 * mips-tfile.c: Don't #undef rindex; not used.
4850 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4852 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4853 (dbx64_register_map): Declare.
4854 (RETURN_ADDR_RTX): Fix for 64bit.
4855 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4856 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4857 * i386.c (dbx64_register_map): New global array.
4858 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4859 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4862 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4864 * cppfiles.c (search_from): Use lbasename.
4865 * mkdeps.c (deps_add_default_target): Use lbasename.
4867 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4869 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4870 xcalloc in lieu of malloc, realloc & calloc.
4872 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4874 * gengenrtl.c (xmalloc): Likewise.
4876 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4877 really_call_* memory allocation routines.
4879 * stmt.c (check_for_full_enumeration_handling): Use
4880 really_call_calloc, not calloc.
4882 * system.h (really_call_malloc, really_call_calloc,
4883 really_call_realloc): Define.
4884 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4886 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4888 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4890 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4892 * configure: Rebuilt.
4893 * configure.in: Only use `lang_requires' for languages athat are
4896 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4898 * invoke.texi: Fix typo.
4899 * gcc.1: Regenerate.
4901 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4903 * configure.in: Prune nonexistent files from build_xm_file,
4904 xm_file, and host_xm_file lists. Warn unless they're
4906 Don't generate *config.h here.
4907 AC_SUBST all variables needed to generate *config.h.
4908 * configure: Regenerate.
4909 * mkconfig.sh: New helper script, from code removed from
4911 * Makefile.in: Zap all MALLOC variables - no longer used
4912 anywhere, and malloc.c doesn't exist.
4913 Substitute in variables needed to generate *config.h.
4914 Stop lying about the dependencies contained in CONFIG_H and
4916 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4917 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4918 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4919 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4920 $(TM_P_H), etc. as appropriate.
4922 * config.gcc: Zap references to deleted files.
4923 * ggc-none.c: Don't include rtl.h or tm_p.h.
4925 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4926 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4927 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4928 config/i386/xm-linux.h, config/i386/xm-linux.h,
4929 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4930 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4931 Don't include i386/xm-i386.h.
4933 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4934 config/i386/xm-i386.h, config/i860/xm-i860.h,
4935 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4936 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4937 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4938 Delete (empty except comments, #includes of other deleted
4939 files, and macros used nowhere).
4941 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4943 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4944 independent on TARGET_FLAGS.
4946 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4948 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4950 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4952 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4954 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4955 LAST_REX_SSE_REG): define.
4956 (enum reg_class): Add 'LEGACY_REGS'
4957 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4958 (SSE_REGNO_P): Recognize extended registers.
4959 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4960 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4961 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4962 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4963 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4964 REG_OK_FOR_STRREG_P): Remove.
4965 (HI_REGISTER_NAMES): Add extended registers.
4966 (ADDITIONAL_REGISTER_NAMES): Likewise.
4967 (QI_REGISTER_NAMES): Add 8bit extended registers.
4968 (DEBUG_REG): Support extended registers.
4969 * i386.c (regclass_map): Add extended registers.
4970 (dbx_register-map): Likewise.
4971 (svr4_dbx_register_map): Likewise.
4972 (print_reg): Support extended registers.
4973 (print_operand): Support 64bit operands.
4975 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4977 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4978 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4979 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4980 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4981 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4982 STACK_BOUNDARY): Set properly for 64bits.
4983 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4984 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4985 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4986 (MOVE_MAX): Set to 16.
4987 (MOVE_MAX_PIECES): 8 for 64bit.
4988 (Pmode): Set to SImode.
4990 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4992 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4994 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4996 * i386.h (mask_64bit): New constant.
4997 (target_64bit): New macro.
4998 (target_options): Add '64'/'32'
4999 (target_default): Define.
5000 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5001 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5002 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5004 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5006 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5008 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5010 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5011 LO_SUM unless for_alias is set.
5013 2001-03-08 Stan Shebs <shebs@apple.com>
5015 * objc/objc-act.c: Fix old typos in comments, add comments for
5017 (hash_init): Fix file name in error message.
5018 (hash_enter): Ditto.
5019 (hash_add_attr): Ditto.
5020 (continue_class): Ditto.
5022 2001-03-08 Bruce Korb <bkorb@gnu.org>
5024 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5025 wait4() can receive the signal.
5027 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5029 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5031 * fixinc/fixincl.x: Regenerate.
5033 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5035 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5037 * fixinc/fixincl.x: Regenerate.
5039 2001-03-08 Richard Henderson <rth@redhat.com>
5041 * configure.in (HAVE_AS_LEB128): New assembler check.
5042 * configure, config.in: Rebuilt.
5044 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5046 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5049 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5051 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5052 references to the MAXPATHLEN macro.
5054 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5055 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5058 * config/i386/xm-gnu.h, config/xm-gnu.h,
5059 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5060 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5061 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5062 and/or unused files.
5064 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5065 doing so in various xm-*.h files.
5067 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5069 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5071 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5073 * configure.in (enable_shared): Support per-package shared-library
5075 * configure: Rebuilt.
5077 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5079 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5080 for crnot. Set operands[5] in splitter.
5082 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5085 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5086 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5087 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5088 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5089 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5090 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5093 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5094 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5095 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5096 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5097 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5098 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5099 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5100 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5101 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5102 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5103 Delete unused and/or empty files.
5105 * config.gcc: Define USG in xm_defines as appropriate. Define
5106 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5107 macro. Remove deleted xm-* files from $xm_files variable.
5109 2001-03-07 Tom Tromey <tromey@redhat.com>
5111 * configure: Rebuilt.
5112 * configure.in: Allow config-lang.in to set `lang_requires' to list
5113 of other required languages.
5115 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5117 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5119 (output_prologue): Use xmalloc not oballoc.
5120 (output_epilog): Free a29k_first_epilogue_insn when finished.
5121 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5123 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5125 * builtins.c (expand_builtin_mathfn): Check
5126 flag_unsafe_math_optimizations, not flag_fast_math.
5127 (expand_builtin): Likewise
5128 * combine.c (combine_simplify_rtx): Likewise.
5129 (simplify_if_then_else): Likewise.
5130 * cse.c (fold_rtx): Likewise.
5131 * flags.h: Remove flag_fast_math. Add
5132 flag_unsafe_math_optimizations and flag_trapping_math.
5133 * fold-const.c (negate_expr): Check
5134 flag_unsafe_math_optimizations, not flag_fast_math.
5135 (invert_truthvalue): Likewise.
5136 (fold): Likewise. Before associating operands, check that
5137 code == MULT_EXPR, not code != MULT_EXPR.
5138 * ifcvt.c (noce_try_minmax): Check
5139 flag_unsafe_math_optimizations, not flag_fast_math.
5140 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5141 * invoke.texi: Document -funsafe-math-optimizations and
5142 -fno-trapping-math. Change documentation for -ffast-math.
5143 * jump.c (reversed_comparison_code_parts): Likewise.
5144 (rtx_equal_for_thread_p): Likewise.
5145 * optabs.c (emit_conditional_move): Likewise.
5146 * simplify-rtx.c (simplify_binary_operation): Likewise.
5147 (simplify_relational_operation): Likewise.
5148 (simplify_ternary_operation): Likewise.
5149 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5150 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5151 Add trapping-math and unsafe-math-optimizations entries to f_options.
5152 (set_fast_math_flags): New, sets flags for -ffast-math.
5153 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5154 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5155 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5157 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5158 (alpha_emit_conditional_move): Initialize local_fast_math to
5159 flag_unsafe_math_optimizations, not flat_fast_math.
5160 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5161 instead of setting flag_fast_math to 1.
5162 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5164 * config/i386/i386.c (override_options): Likewise
5165 * config/i386/i386.md: Likewise.
5166 * config/m68k/m68k.md: Likewise.
5167 * config/mips/mips.md: Likewise.
5168 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5169 (rs6000_generate_compare): Likewise.
5171 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5173 * Makefile.in: Set RANLIB to @RANLIB@.
5176 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5178 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5179 * fixinc/fixincl.x: Regenerated.
5181 2001-03-07 Richard Henderson <rth@redhat.com>
5183 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5185 2001-03-07 Richard Henderson <rth@redhat.com>
5187 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5188 of block notes and exception handling notes.
5190 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5191 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5192 (compile_file): ... here.
5194 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5196 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5198 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5199 config.h now. Include libiberty.h to handle alloca.
5201 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5203 * c-parse.in (yylexname): New function, split out of _yylex.
5204 (objc_rid_sans_at): New table.
5205 (init_reswords): Initialize it.
5206 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5207 retrieving the next token and checking it for significance as
5208 an ObjC keyword or string constant.
5210 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5211 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5213 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5216 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5218 * config/m68k/m68k.c (const_uint32_operand): Accept any
5219 const_int on a 32-bit host.
5221 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5223 * objc/objc-act.c (init_objc): Set save_lang_status,
5224 restore_lang_status, and mark_lang_status.
5226 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5228 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5230 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5232 * cppinternals.texi: Update.
5234 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5236 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5237 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5238 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5239 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5240 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5241 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5242 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5243 config/i386/xm-i386.h, config/i860/xm-i860.h,
5244 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5245 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5246 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5247 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5248 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5249 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5250 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5251 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5252 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5253 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5254 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5255 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5256 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5257 match the defaults provided in hwint.h.
5259 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5260 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5262 * config.gcc (xm_file): Don't set to files which are deleted.
5264 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5265 guard this file against these macros being undefined.
5267 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5269 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5270 and DECL_DEFER_OUTPUT on the decl we create, before calling
5271 rest_of_decl_compilation.
5273 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5275 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5277 * configure, config.in: Regenerate.
5278 * config.gcc: Remove references to deleted files.
5280 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5281 genrecog.c, rtl.c: Do not use alloca anywhere.
5283 * Makefile.in, build-make, system.h, config/x-interix,
5284 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5285 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5286 config/arc/xm-arc.h, config/arm/xm-arm.h,
5287 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5288 config/h8300/xm-h8300.h, config/i370/x-oe,
5289 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5290 config/i386/x-ncr3000, config/i386/x-sco5,
5291 config/i386/xm-dgux.h, config/i860/x-sysv4,
5292 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5293 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5294 config/m68k/x-hp320g, config/m69k/x-mot3300,
5295 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5296 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5297 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5298 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5299 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5300 config/mips/x-iris, config/mips/x-iris3,
5301 config/mips/x-sni-svr4, config/mips/x-sysv,
5302 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5303 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5304 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5305 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5306 config/pa/xm-papro.h, config/romp/xm-romp.h,
5307 config/rs6000/x-aix31, config/rs6000/x-aix41,
5308 config/rs6000/x-beos, config/rs6000/x-lynx,
5309 config/rs6000/x-mach, config/rs6000/x-rs6000,
5310 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5311 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5312 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5313 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5314 config/vax/xm-vms.h: Eradicate all references to alloca and
5317 * config/xm-alloca.h, config/clipper/x-clix,
5318 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5319 config/i860/x-sysv3, config/m88k/x-sysv3,
5320 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5321 (contained only alloca related hacks).
5323 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5326 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5328 * invoke.texi: Document __FAST_MATH__.
5330 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5332 * crtstuff.c: Restore include of auto-host.h.
5334 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5336 Put main() in a separate file, so that the language
5337 front-end can use a different main().
5340 * toplev.c: (main): Rename as toplev_main.
5341 * toplev.h: Declare toplev_main.
5342 * Makefile.in (OBJS): add toplev.o.
5343 (BACKEND): remove toplev.o, add main.o.
5345 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5347 * cppfiles.c (search_from): Special case the empty string.
5349 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5351 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5352 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5353 strlen or strcpy; we already know the length.
5354 (_cpp_compare_file_date): Similarly.
5355 * cpphash.h (struct cpp_reader): Delete done_initialising.
5356 (CPP_PREV_BUFFER): Delete.
5357 * cppinit.c (cpp_start_read): Don't set done_initialising.
5358 * cpplex.c (parse_string): Guarantee null-termination.
5359 (_cpp_equiv_toklists): Remove.
5360 * cpplib.c (glue_header_name): Null-terminate.
5361 (do_line): Don't leak memory.
5362 * cpplib.h (BT_WEAK): Delete.
5363 * cppmain.c (cb_ident): Strings are now null-terminated.
5365 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5367 * gcc.c (convert_filename): Append executable suffix
5368 if NO_AUTO_EXE_SUFFIX is not defined.
5369 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5370 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5372 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5374 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5375 * c-parse.gperf, c-gperf.h: Delete.
5376 (c-gperf.h was accidently re-added to the CVS repo in the rev
5377 1.16 commit by tromey)
5379 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5381 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5382 macro arguments when looking for the '('.
5383 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5384 2 when really parsing arguments; 1 when looking for '('.
5385 Always restore the lexer position.
5387 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5389 * longlong.h (umul_ppmm): Don't use a multiline string.
5391 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5393 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5394 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5395 t_bool in declaration because pcc can't combine volatile with typedef
5398 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5400 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5401 until when it is really needed.
5402 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5403 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5404 * i386.md (float?i?f splitter): Don't force source operand to memory
5406 (sse_movdfcc): Fix constraint.
5407 (sse_movdfcc splitter): Handle properly the second alternative.
5409 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5411 * cpplex.c (parse_string): Unconditionally pedwarn.
5413 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5416 * cppexp.c (parse_number): Update.
5417 * cpplex.c (parse_string): Pedwarn if multiline string does not
5418 result from a system header's macro.
5419 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5420 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5421 for function-like macros too.
5422 * c-lex.c (lex_number): Update.
5424 2001-03-03 Richard Henderson <rth@redhat.com>
5426 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5428 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5430 * combine.c (try_combine): If split with mode-changed scratch
5431 register didn't work, try the original mode.
5433 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5435 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5436 * config/c4x/c4x.h: Likewise.
5437 * stor-layout.c (compute_record_mode): Likewise.
5438 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5440 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5442 * configure.in: Kill tm.h. Include the files in the $tm_file
5443 list in all three of config.h, hconfig.h, tconfig.h, after the
5444 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5445 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5446 * configure: Regenerate.
5447 * Makefile.in (clean): Don't delete tm.h.
5449 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5450 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5451 those are not defined, set SEC and FEC to 0 and 1.
5452 * gcc.texi: Update to match.
5454 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5455 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5456 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5457 Include tconfig.h, not tm.h.
5459 * config/xm-lynx.h, config/xm-std32.h,
5460 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5461 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5462 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5463 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5464 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5465 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5466 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5467 config/i386/xm-i386.h, config/i860/xm-i860.h,
5468 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5469 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5470 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5471 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5472 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5473 config/pa/xm-linux.h, config/pa/xm-pa.h,
5474 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5475 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5476 config/pj/xm-pj.h, config/romp/xm-romp.h,
5477 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5478 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5479 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5480 config/v850/xm-v850.h, config/vax/xm-vax.h,
5481 config/we32k/xm-we32k.h:
5483 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5485 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5486 config/i370/xm-oe.h: Don't include tm.h. Don't define
5488 * config/vax/xm-vms.h: Don't include tm.h.
5490 * config/xm-lynx.h, config/avr/xm-avr.h,
5491 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5492 Delete; made empty by above changes.
5493 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5494 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5495 Don't include config/xm-lynx.h or tm.h.
5497 * config/xm-gnu.h: Don't include fcntl.h.
5498 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5500 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5502 2001-03-02 Richard Henderson <rth@redhat.com>
5504 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5505 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5507 2001-03-02 Richard Henderson <rth@redhat.com>
5509 * Makefile.in (OBJS): Add dwarf2asm.o.
5510 * dwarf2asm.c, dwarf2asm.h: New files.
5511 * dwarf2out.c (*): Use them.
5512 (size_of_uleb128, size_of_sleb128): Remove.
5513 (output_uleb128, output_sleb128): Remove.
5514 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5515 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5516 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5517 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5518 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5519 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5520 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5521 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5522 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5523 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5524 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5525 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5526 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5527 (dwarf2out_frame_debug): Remove unused variables.
5528 (output_loc_operands): Don't abort on 8 byte constants if
5529 host integers are wide enough.
5530 (output_symbolic_ref): Remove.
5531 (size_of_die): Don't assume 4 byte host integers.
5532 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5534 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5535 something stupid with HOST_WIDE_INT to long truncation.
5536 [CONST_DOUBLE]: Likewise.
5538 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5539 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5540 * config/arm/unknown-elf.h: Likewise.
5541 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5542 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5543 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5544 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5545 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5546 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5547 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5548 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5549 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5550 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5551 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5552 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5554 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5556 * cselib.c (hash_rtx): Cast enums to unsigned int.
5558 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5560 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5561 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5563 * c-format.c (C_STD_VER): Cast to int for comparisons.
5564 (check_function_format): Cast various enums to int for &.
5565 (maybe_read_dollar_number): Likewise.
5566 (check_format_info): Likewise.
5567 (check_format_info_main): Likewise.
5568 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5569 (safe_from_p): Likewise.
5570 * varasm.c (const_hash): Cast enum to int for %.
5571 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5572 pcc enum problems with < and ++ operators.
5573 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5574 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5575 (regclass_init): Change enum class to int to iterate over reg_classes.
5576 * genrecog.c (merge_trees): Cast enums for comparison.
5577 * rtl.h (GET_CODE): Cast to enum rtx_code.
5578 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5579 (GET_MODE): Cast to enum machine_mode.
5580 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5581 (GET_NOTE_INSN_NAME): Cast enum to int.
5582 * tree.h (TREE_CODE): Cast to enum tree_code.
5583 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5584 * timevar.c (timevar_print): Change loop variable id from enum to
5586 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5587 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5588 * toplev.c (compile_file): Cast enum DFI to int.
5589 (decode_d_option): Likewise.
5591 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5593 * cppinit.c (append_include_chain): Mark "after" include file name list
5594 as a system directory.
5595 * cpp.texi: Document new behavior.
5597 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5599 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5601 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5603 * cppfiles.c (struct include_file): Update.
5604 (stack_include_file): Use search_from.
5605 (cpp_included, find_include_file): Update.
5606 (cpp_execute_include): Update. ptr->name may not be
5607 null terminated. Use the new search_from member variable
5609 (_cpp_compare_file_date): Similarly.
5610 (search_from): New function, similiar to actual_directory.
5611 (actual_directory): Delete.
5612 (remap_filename): Update. loc->name may not be null terminated.
5613 (struct file_name_list): Rename search_path. Update.
5614 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5615 search_from and dir.
5616 (struct cpp_reader): Remove actual_dirs.
5617 * cppinit.c (struct cpp_pending): Update for renamed objects.
5618 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5619 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5620 * cpplib.h (struct cpp_options): Similarly.
5622 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5624 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5625 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5626 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5627 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5628 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5629 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5630 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5631 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5632 config/i370/xm-oe.h, config/i386/xm-aix.h,
5633 config/i386/xm-i386.h, config/i386/xm-osf.h,
5634 config/i860/xm-i860.h, config/i960/xm-i960.h,
5635 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5636 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5637 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5638 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5639 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5640 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5641 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5642 config/pj/xm-pj.h, config/romp/xm-romp.h,
5643 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5644 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5645 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5646 config/v850/xm-v850.h, config/vax/xm-vax.h,
5647 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5648 Do not define TRUE or FALSE.
5650 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5651 empty by above change.
5652 * config.gcc: Remove references to these files.
5654 * configure.in: Detect stdbool.h.
5655 * configure, config.in: Regenerate.
5656 * system.h: Include stddef.h here if available.
5657 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5658 Then set up a sensible boolean type at the very end.
5660 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5661 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5663 * hash.h: Delete 'boolean' typedef and related #undefs.
5665 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5666 all uses of 'boolean' with 'bool'.
5668 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5670 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5671 * cppexp.c (lex): Cast enums for comparison.
5672 * cppinit.c (parse_option): Cast enum for comparison.
5673 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5674 (cpp_output_token): Likewise.
5675 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5676 (cpp_avoid_paste): Cast enums for minus and comparison.
5678 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5680 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5681 field to all array elements.
5683 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5685 * cpphash.h (struct cpp_reader): Add print_version field.
5686 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5687 just set print_version and other flags as appropriate.
5688 (cpp_post_options): Print version here if print_version is set.
5690 * toplev.c (exit_after_options): New flag.
5691 (independent_decode_option): Don't exit here; just set
5693 (main): Exit after calling lang_hooks.post_options if
5694 exit_after_options is true.
5696 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5697 (merge_include_chains): Adjust comment to match code.
5699 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5701 * stringpool.c (set_identifier): New function.
5702 * tree.h: Prototype it.
5704 * c-parse.in: Kill D_YES. If compiled for objc, call
5705 save_and_forget_protocol_qualifiers from init_reswords.
5706 * objc/objc-act.c (remember_protocol_qualifiers,
5707 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5708 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5710 (save_and_forget_protocol_qualifiers): New function.
5711 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5713 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5715 * c-semantics.c (prune_unused_decls): Return error_mark_node
5716 instead of (tree) 1 to stop traversing the tree chain.
5718 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5720 Fix a problem introduced by Kenner's Feb 18 change.
5721 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5722 flag_cse_skip_blocks only temporarily, not for ever.
5724 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5726 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5727 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5729 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5730 before determining its register class.
5732 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5734 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5735 from reg 4 if current_function_calls_setjmp.
5736 (gen_nop_type): New function.
5737 (ia64_emit_nops): New function.
5738 (ia64_reorg): Call it.
5739 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5741 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5742 code not to try to optimize adds with anything but a REG destination.
5744 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5745 (INSN_PRIORITY_KNOWN): New accessor macro.
5746 * haifa-sched.c (priority): Use it instead of testing priority against
5749 2001-02-28 DJ Delorie <dj@redhat.com>
5751 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5752 since that doesn't work the way gcc wants on a generic m68k.
5754 2001-02-28 Richard Henderson <rth@redhat.com>
5756 * caller-save.c (save_call_clobbered_regs): Fix typo in
5757 comparison last change.
5759 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5761 * i386.c (pentium4_cost): New.
5762 (m_PENT4): New macro.
5763 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5764 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5765 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5766 x86_memory_mismatch_stall): Add Pentium4
5767 (x86_use_q_reg, x86_use_any_reg): Kill.
5768 (override_options): Add pentium4.
5769 (incdec_operand): Return 0 for pentium4.
5770 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5771 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5772 (TARGET_PENTIUM4): Define.
5773 (enum processor_type): Add PROCESSOR_PENTIUM4.
5774 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5775 * i386.md (attribute "cpu"): Add pentium4.
5776 * invoke.texi (march): Add pentium4.
5778 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5780 * i386.md (sse_mov?fcc*): New patterns and splitters.
5781 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5782 the SSE based conditional moves.
5784 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5786 * i386.md (attribute mode): Add "TI".
5787 (movsf_1): Add pxor support; remove constant propagation splitter.
5788 (movdf_integer): Likewise.
5789 (movdf_nointeger): Likewise.
5790 (movxf constant prop splitter): Handle all modes; update for SSE.
5791 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5792 * i386.c (standard_80387_constant_p): Rewrite.
5793 (standard_sse_constant_p): New.
5794 * i386-protos.h (standard_sse_constant_p): New.
5796 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5798 * i386.md (sse_setccsf, sse_setccdf): New.
5799 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5801 * i386.c (sse_comparison_operator): Accept the supported unordered
5802 comparses; be ready for fast_math.
5803 (print_operand): Support 'D'.
5805 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5807 * jump.c (reversed_comparison_code): Kill.
5809 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5811 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5814 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5816 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5817 add missing '%' in constraints.
5819 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5821 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5822 for HOST_BITS_PER_WIDE_INT == 32 too.
5824 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5826 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5828 (insert_save, insert_restore): New parameter save_mode.
5829 (init_caller_save): Update initialization of reg_save_code
5830 and reg_restore_code.
5831 (save_call_clobbered_regs): Compute save_modes and update calls to
5832 reg_save_code and reg_restore_code.
5833 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5834 of spill; update use of reg_restore_code.
5835 (insert_save): Likewise.
5836 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5837 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5838 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5840 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5842 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5843 noce_try_store_flag_inc, noce_try_store_flag_mask,
5844 noce_try_cmove_arith):
5845 Use reversed_comparison_code instead of reverse_comparison and
5846 can_reverse_comparison_p.
5848 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5850 * jump.c (reversed_comparison_code_parts): Allow reversal of
5851 unordered compares in -ffast-math mode; reverse ordered compares
5852 for FP even w/o -ffast-math.
5854 2001-02-27 Richard Henderson <rth@redhat.com>
5856 * print-rtl.c (print_rtx) [i]: Don't print field five on
5857 NOTEs other than NOTE_INSN_DELETED_LABEL.
5859 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5861 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5862 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5864 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5866 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5867 even if walk_subtrees is 0.
5868 * c-semantics.c (prune_unused_decls): Return a non-null value to
5869 stop traversing the tree chain.
5871 2001-02-27 DJ Delorie <dj@redhat.com>
5873 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5874 register, *then* define it as the new CFA.
5876 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5878 * pa.c (override_options): Promote -fpic to -fPIC.
5879 (legitimize_pic_address): Simplify due to removal of
5880 small PIC as a code generation option.
5881 (secondary_reload_class): Similarly.
5882 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5883 (PRINT_OPERAND_ADDRESS): Similarly.
5884 * pa.md (various patterns): Similarly.
5885 (small pic lo_sum pattern): Remove.
5887 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5890 * md.texi (min, max): Document
5892 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5894 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5895 TARGET_PARTIAL_REG_DEPENDENCY.
5896 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5898 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5900 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5902 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5904 * mips.c (mips_make_temp_file): Fix thinko in last change.
5906 2001-02-26 Jason Eckhardt <jle@redhat.com>
5908 * combine.c (known_cond): Do not reverse the condition when
5909 SMAX/UMAX is being considered and the condition is for equality
5912 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5914 2001-02-26 Philip Blundell <philb@gnu.org>
5916 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5918 * config/arm/linux-elf.h: Remove historical relics related to
5919 above configurations.
5920 * config/arm/linux-oldld.h: Delete.
5921 * config/arm/linux-elf26.h: Delete.
5923 2001-02-26 Jason Merrill <jason@redhat.com>
5925 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5927 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5928 recognize a tentative definition. Lose obsolete code.
5930 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5931 variables unless necessary, either.
5933 2001-02-25 Richard Henderson <rth@redhat.com>
5935 * ifcvt.c (struct noce_if_info): Add test_bb.
5936 (noce_get_alt_condition): New.
5937 (noce_try_minmax, noce_try_abs): New.
5938 (noce_operand_ok): New.
5939 (noce_process_if_block): Use them.
5940 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5942 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5944 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5947 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5949 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5950 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5952 (mips_asm_file_end): Free temp_filename here.
5954 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5956 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5957 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5959 * config/i386/i386.md (movstrsi): Handle FAIL case.
5961 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5963 * cppinit.c (builtin_array): Update.
5964 (init_builtins): Flag builtins to warn if redefined or
5965 undefined. Define __GXX_WEAK as a normal macro.
5966 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5967 * cpplib.h (NODE_WARN): New flag.
5968 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5969 Handle __STDC__ as a builtin only on Solaris.
5970 (warn_of_redefinition): Renamed from check_macro_definition.
5971 Reverse sense of test. Always warn if NODE_WARN.
5972 (_cpp_create_definition): Use warn_of_redefinition. Flag
5973 any macro beginning with "__STDC_" to require a mandatory
5974 warning if redefined or undefined.
5976 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5978 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5979 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5980 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5981 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5982 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5983 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5984 Don't define any of:
5985 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5986 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5987 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5988 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5989 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5991 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5992 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5995 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5996 Delete now-empty file.
5998 * alpha/vms.h: Define NEED_ATEXIT here...
5999 * alpha/xm-vms.h: ...not here.
6001 * i386/cygwin.h: Don't define PARAMS.
6002 * mips/mips.c: Don't prototype mktemp. Don't define
6003 P_tmpdir. Use make_temp_file to create temporary files.
6004 Don't be clever and delete temporary files early.
6005 * config.gcc: Drop references to deleted files. Don't define
6007 * gcc.texi: Don't mention USE_PROTOTYPES.
6009 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6011 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6012 (ix86_set_move_mem_attrs_1): Likewise.
6013 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6014 * config/i386/i386.md (movstrsi): Call it.
6016 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6018 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6019 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6020 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6021 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6023 (i750a-*-*): Error here if hosting on i750a.
6024 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6026 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6027 Remove (empty modulo comments).
6029 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6030 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6031 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6032 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6033 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6034 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6036 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6037 Remove reference to winnt.h in comment.
6038 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6040 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6042 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6043 used to set another biv.
6045 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6047 * tree.h (BLOCK_DEAD): New macro.
6048 (struct tree_block): New flag, dead_flag.
6049 * print-tree.c (print_node, case 'b'): Print missing fields.
6050 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6051 * function.c (identify_blocks): Enable test for misplaced notes.
6052 (all_blocks): Skip BLOCK_DEAD blocks.
6053 * integrate.c (integrate_decl_tree): Likewise.
6055 * errors.c (internal_error, trim_filename): New functions.
6056 (fancy_abort): Call internal_error.
6057 * errors.h (internal_error, trim_filename): New declarations.
6059 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6061 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6063 (EXTRA_CONSTRAINT): Formatting changes.
6065 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6067 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6069 2001-02-23 Per Bothner <per@bothner.com>
6071 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6072 so they can be called from java/jvspec.c.
6073 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6075 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6077 * i386.c (ix86_frame): New structure.
6078 (ix86_compute_frame_size): Kill.
6079 (ix86_compute_frame_layout): New.
6080 (ix86_save_reg): New.
6081 (ix86_can_use_return_insn_p): Use frame layout stuff.
6082 (ix86_expand_prologue): Likewise.
6083 (ix86_expand_epilogue): Likewise.
6084 (ix86_initial_elimination_offset): Likewise.
6085 (ix86_nsaved_regs): Use ix86_save_reg.
6086 (ix86_emit_save_regs): Likewise.
6088 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6090 * flow.c (find_sub_basic_blocks): New function.
6091 (split_block): Be ready for basic block introduced by CODE_LABEL.
6092 (commit_one_edge_insertion): Call find_sub_basic_block.
6094 * flow.c (make_edges): Add edge from entry for blocks starting with
6095 label having ALTERNATE_NAME
6097 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6099 * function.c (epilogue_done): Be ready for first basic block not
6100 containing PROLOGUE_END note.
6101 (reposition_prologue_and_epilogue_notes): Avoid placing
6102 PROLOGUE_END note between BASIC_BLOCK.
6104 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6106 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6108 2001-02-21 DJ Delorie <dj@redhat.com>
6110 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6111 check for current_function_has_nonlocal_goto from 1999-11-12.
6113 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6115 * diagnostic.c (trim_filename): No longer static.
6116 * toplev.h (trim_filename): Declare.
6117 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6118 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6119 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6120 (rtvec_check_failed_bounds): Likewise.
6121 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6123 * convert.c (convert_to_integer): Don't do unsigned unless result or
6124 both inputs are unsigned.
6126 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6129 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6131 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6133 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6135 * Makefile.in (resource.o): Add params.h dependence.
6136 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6137 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6138 * resource.c: Add dependence on params.h.
6139 (current_live_regs): Fix explanatory comment.
6140 (find_basic_block): Add new parameter to permit limiting search
6142 (mark_target_live_regs): Add new argument to find_basic_block call.
6143 (incr_ticks_for_insn): Likewise.
6145 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6147 * diagnostic.c (output_to_stream): Rename to
6148 output_buffer_to_stream. Loses the stream parameter.
6149 (init_output_buffer): Set diagnosic_buffer's stream.
6150 (flush_diagnostic_buffer): Adjust.
6151 (default_print_error_function): Likewise.
6152 (finish_diagnostic): Likewise.
6153 (verbatim): Likewise.
6155 * diagnostic.h (struct output_buffer): Add `stream' field.
6156 (output_buffer_attached_stream): New macro.
6158 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6160 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6161 check if either operand is divisible by C.
6162 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6163 If type is signed, consider negative numbers as well.
6165 2001-02-22 Richard Henderson <rth@redhat.com>
6167 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6168 reach .text instead of gp-relative relocs.
6169 * config/ia64/crtend.asm (.init): Likewise.
6171 2001-02-22 Andreas Jaeger <aj@suse.de>
6173 * extend.texi (C++ Attributes): Fix typo.
6175 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6177 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6178 functions, drop current_function_args_info.words test.
6179 (ia64_compute_frame_size): Mark syscall_linkage functions as
6180 using eight input registers.
6182 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6183 Bruce Korb <bkorb@gnu.org>
6185 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6186 * fixinc/README: Document how to convert sed substitutions
6187 to format style c_fix-es.
6188 * fixinc/fixincl.x: regen
6190 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6192 * gcc.c: Add comment explaining how to add a command-line option.
6193 Add title to specs language comment.
6195 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6197 * gcc.c (cc1_options): Add "-param".
6198 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6199 (option_map): Likewise.
6200 * toplev.c (display_help): Add entry for "--param".
6201 (independent_decode_option): Fix typographical error.
6203 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6204 Bernd Schmidt <bernds@redhat.com>
6205 Jan Hubicka <jh@suse.cz>
6207 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6208 (function_arg): Likewise.
6210 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6212 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6214 2001-02-21 Kazu Hirata <kazu@hxi.com>
6216 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6220 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6222 * flow.c (init_propagate_block_info): Canon address and use single_set
6223 for killing dead memory stores.
6225 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6227 * Makefile.in (reorg.o): Add params.h dependence.
6228 * params.def: Fix typographical error in comment.
6229 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6230 * params.h: Modify introductory comment.
6231 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6232 * reorg.c: Add dependence on params.h.
6233 (redundant_insn): Add parameterized throttle for search.
6234 (fill_simple_delay_slots): Add a comment explaining a variable.
6235 Move conditional out of loop, simplifying code.
6236 (fill_eager_delay_slots): Fix typographical error in comment.
6238 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6240 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6242 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6243 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6245 2001-02-21 Jason Merrill <jason@redhat.com>
6247 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6248 (struct tree_decl): Add uninlinable bitfield.
6249 * c-decl.c (duplicate_decls): Set it.
6250 * integrate.c (function_cannot_inline_p): Check it.
6252 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6253 DW_AT_MIPS_linkage_name to abstract methods.
6254 (dwarf2out_abstract_function): Emit class context before calling
6255 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6256 (gen_subprogram_die): Remove obsolete code.
6257 (gen_member_die): Don't include clones in the member list.
6258 (gen_decl_die): Emit abstract info for clone origin.
6259 * dwarfout.c (output_type): Don't include clones in the member list.
6260 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6261 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6262 DECL_ABSTRACT on a function that already has it set.
6264 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6265 (get_subprogram_die): Pass it in.
6267 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6269 * flow.c (mark_set_1): Make not_dead unsigned long. For
6270 non-pseudos, use it as a bitmask of the hard regs that
6273 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6275 * cppfiles.c: Update comments.
6276 (_cpp_read_file): Don't check for NULL filenames any more.
6277 * cppinit.c (cpp_start_read): Don't do canonicalization of
6278 in_fname and out_fname. Use the passed file name exclusively.
6279 (_cpp_handle_options): Don't treat "-" as a command line option,
6280 but as a normal filename.
6281 (_cpp_post_options): Canonicalize in_fname and out_fname.
6282 * cppmain.c (printer_init): Don't check out_fname for NULL.
6283 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6284 (init_c_lex): Update, and use "" to represent stdin to CPP.
6287 2001-02-20 Will Cohen <wcohen@redhat.com>
6289 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6290 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6291 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6294 2001-02-20 Stan Shebs <shebs@apple.com>
6296 * config/rs6000/rs6000.c (output_cbranch): Output branches
6297 on separate lines instead of using ';' to separate.
6299 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6301 * cppinit.c (set_lang): Move builtin handling to...
6302 (init_builtins): ...here.
6303 (_cpp_create_reader): Move call to set_lang.
6305 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6307 * stmt.c (expand_return): If an attempt is made to return the
6308 error_mar_node, treat the return like a return without a value.
6310 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6312 * sibcall.c (skip_copy_to_return_value): Call
6313 identify_call_return_value here, and return orig_insn if it
6314 returns zero. Hardret and softret arguments now unnecessary.
6315 (call_ends_block_p): Don't call identify_call_return_value here.
6317 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6319 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6320 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6322 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6324 * pa.c (move_operand): Accept code to load the address of a
6325 symbol out of the DLT as a valid move operand.
6326 (print_operand, case 'A'): New to handle generating a DLT
6327 reference for a LO_SUM expression.
6328 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6329 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6331 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6333 * README, cpp.texi, gcc.texi, version.c: Update version number to
6335 * cpp.1, gcov.1, gcc.1: Regenerate.
6337 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6339 * cppfiles.c (stack_include_file): Generate dependencies
6340 here, and manage include_count here too.
6341 (PRINT_THIS_DEP): Delete.
6342 (_cpp_execute_include): Do not generate dependencies here,
6343 apart from the case of a missing header. Do not manage
6345 (_cpp_read_file): Leave dependency generation to
6348 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6350 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6351 target_cpu_default. Remove dead assignment to
6354 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6356 * regclass.c (contains_reg_of_mode): Make global.
6357 (init_reg_sets): Remove contains_reg_of_mode; take into account
6358 CLASS_MAX_NREGS when looking for the proper mode.
6359 (dump_regclass): Dump only classes considered for the pseudo.
6360 (regclass): Use contains_reg_of_mode.
6362 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6364 * gcc.c (do_spec_1): 'n' for printing notices.
6365 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6367 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6369 * reg-stack.c (next_flags_user): Use current_block->end
6370 (swap_rtx_condition): Look for next user if flags don't die;
6371 give up on CALL_INSNs; use current_block->end.
6373 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6375 * sibcall.c (call_ends_block_p): New function.
6376 (optimize_sibling_and_tail_recursive_call): Use it.
6378 2001-02-18 Kazu Hirata <kazu@hxi.com>
6380 * config/h8300/h8300.md: Update copyright.
6381 (andsi3): Do not output an extra newline character.
6383 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6385 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6386 FNDECL may be unused.
6388 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6389 follow jumps after first run.
6390 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6391 it doesn't change any jumps.
6393 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6395 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6396 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6397 (mostlyclean): Corresponding changes.
6398 * rtlanal.c (hard-reg-set.h): Include.
6399 (rtx_unstable_p): Do not treat the argument pointer specially
6400 if it is not a fixed register.
6401 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6403 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6405 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6406 against last real insn in basic block.
6407 Rework to avoid gotos.
6409 * Makefile.in (gcse.o): Now includes ggc.h.
6410 * gcse.c: Include ggc.h.
6411 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6412 (try_replace_reg): Remove warning of uninitialize variable.
6413 (process_insert_insn): Call invalid_insn_p to validate insn.
6414 * recog.c (insn_invalid_p): Now global.
6415 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6416 * recog.h (insn_invalid_p): New declaration.
6418 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6420 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6421 assignments from FP constants since 'Y' output code can't handle it.
6422 (eligible_for_sibcall_delay): Likewise.
6424 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6425 Call fancy_abort directly, passing args.
6426 (print_rtl_and_abort): Now a macro, like fancy_abort.
6428 * final.c (output_operand_lossage): Use internal_error, not error.
6430 2001-02-18 Shane Nay <shane@agendacomputing.com>
6432 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6433 structure shift insns.
6435 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6437 * invoke.texi (-fsquangle): Remove documentation.
6438 (-fname-mangling-version): Likewise.
6440 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6442 * optabs.c (expand_abs): Remove reference to
6443 HAVE_contitional_arithmetic.
6444 * combine.c (simplify_set): Likewise.
6446 2001-02-18 Richard Henderson <rth@redhat.com>
6448 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6451 2001-02-18 Richard Henderson <rth@redhat.com>
6453 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6455 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6457 * reload1.c (reload_cse_simplify_set): Fix typo.
6459 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6461 * diagnostic.c (_fatal_insn): Decrement errorcount.
6463 * invoke.texi (-I): Add note avoiding use for system header files.
6465 * rtl.h (add_clobbers): Remove duplicate declaration.
6466 * recog.h (added_clobbers_hard_reg_p): New declaration.
6467 * genemit.c (struct clobber_pat): New field has_hard_reg.
6468 (gen_insn): Record if added clobbers clobber hard reg.
6469 (gen_split): Avoid unused warning if number of operands is 0.
6470 (output_added_clobbers_hard_reg_p): New function.
6473 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6475 * pa.c (hppa_expand_prologue): Simplify code storing return
6476 pointer. For large (>=8k) frames with a post_store, adjust stack
6477 pointer by 8k-64 first rather than by 64. When testing with
6478 VAL_14_BITS_P, always use the actual value rather than the value
6479 negated. Add blockage to prevent scheduling of spills before
6480 stack frame has been created.
6481 (hppa_expand_epilogue): Simplify code loading return pointer.
6482 Allow a slightly larger range for merge_sp_adjust_with_load case.
6483 When testing with VAL_14_BITS_P, always use the actual value.
6485 * pa.c (pa_adjust_insn_length): Check that block move
6486 pattern is a set before looking at operands.
6488 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6490 * fold-const.c (fold_binary_op_with_conditional_arg): New
6491 function, split out from ...
6493 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6494 conditional arms that throw exceptions.
6496 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6499 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6501 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6502 define HAVE_DECL_* to 1 to mask potential backup declarations.
6503 * configure: Regenerated.
6505 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6507 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6509 2001-02-17 Richard Henderson <rth@redhat.com>
6511 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6512 when replacing a memory load with a register.
6514 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6515 Jan Hubicka <jh@suse.cz>
6517 * recog.c (validate_replace_src_1): New.
6518 (validate_replace_src_data): Likewise.
6519 (validate_replace_src): Use note_uses.
6520 * rtl.h (note_uses): Declare.
6521 * rtlanal.c (note_uses): New.
6523 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6525 * reg-stack.c (stack_def): Make field reg unsigned.
6526 (remove_regno_note): Unsignetize parameter.
6528 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6530 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6531 shladd_operand() call.
6533 2001-02-16 Bruce Korb <bkorb@gnu.org>
6534 Rodney Brown <RodneyBrown@mynd.com>
6536 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6537 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6538 machine restrictions
6539 * fixinc/fixincl.x: regen
6541 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6543 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6545 (hash_scan_insn): Clean up calls to hash_scan_set.
6546 (compute_kill_rd): REGNO now unsigned.
6547 (try_replace_reg): Rework to use simplify_replace_rtx.
6548 (cprop_jump, cprop_cc0_jump): Likewise.
6549 (cprop_insn): Call find_reg_equal_equiv_note.
6550 Reflect changes to cprop_jump and cprop_cc0_jump.
6552 * recog.c (validate_replace_src): Replace in operands of
6553 ZERO_EXTRACT in SET_DEST.
6555 * cse.c (new_label_ref): New variable.
6556 (insert): Set it instead of recorded_label_ref.
6557 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6558 CODE_LABEL for this function, and not already in REG_LABEL note.
6560 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6562 * resource.c (mark_referenced_resources): Fix typo in introductory
6564 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6567 2001-02-16 Jason Merrill <jason@redhat.com>
6569 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6571 (gen_subprogram_die): Don't abort on seeing a second definition if
6572 the previous one was abstract. Don't replace an abstract instance
6573 in the lookup table.
6575 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6576 gen_abstract_function.
6577 * dwarf2out.h: Declare it.
6578 * toplev.c (note_outlining_of_inline_function): New fn.
6579 * toplev.h: Declare it.
6580 * integrate.c (output_inline_function): Call it.
6581 * c-decl.c (duplicate_decls): Call it when redefining an extern
6582 inline. Don't inline the new defn.
6584 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6586 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6588 * .gdbinit: Rename to gdbinit.in.
6589 * gdbinit.in: New file,
6590 * configure.in: Generate .gdbinit from gdbinit.in.
6591 * configure: Regenerated.
6592 * Makefile.in (distclean): Always remove .gdbinit.
6594 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6596 * objc/objc-act.c (start_class): Register implemented_classes with
6599 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6601 * cppfiles.c (_cpp_make_system_header): Generate a file
6604 2001-02-15 Jim Meyering <meyering@lucent.com>
6606 * Makefile.in (install-common): Don't depend on installdirs here.
6607 Instead, make each of the lang.install-common targets (e.g.,
6608 c++.install-common in cp/Make-lang.in) depend on it.
6609 (install-driver): Depend on installdirs.
6611 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6613 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6615 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6618 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6620 * invoke.texi (--param): Document.
6622 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6624 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6626 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6628 * i386.md (extendsfdf2_2): Fix constraints.
6630 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6632 * i386.md (fop_df_3 splitter): Fix operand number.
6634 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6636 * invoke.texi (-mreg-alloc): Nuke.
6637 * i386.c (ix86_reg_alloc_order, regs_allocated,
6638 order_regs_for_local_alloc): Nuke.
6639 (override_options): Kill reg_alloc code.
6640 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6641 (REG_ALLOC_ORDER): SSE goes before I387.
6642 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6643 (ix86_reg_alloc_order): Likewise.
6644 * i386-protos.h (ix86_reg_alloc_order): Kill.
6646 2001-02-14 Richard Henderson <rth@redhat.com>
6648 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6650 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6652 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6654 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6656 * i386-protos.h (ix86_memory_move_cost): Move offline.
6657 * i386.c (ix86_register_move_cost): Compute properly cost of
6658 SSE, MMX and i387 instructions.
6659 (*_cost): Add costs of SSE/MMX moves.
6660 (ix86_memory_move_cost): Move offline from ....; Likewise.
6661 * i386.h (MEMORY_MOVE_COST): .... here;
6662 (struct processor costs): Add new fields to represent costs
6665 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6667 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6668 move_cost together with Matt Kraai's fix.
6670 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6672 * Makefile.in (OBJS): Add params.o.
6674 2001-02-14 Richard Henderson <rth@redhat.com>
6675 DJ Delorie <dj@redhat.com>
6677 * jump.c (jump_optimize_1): When we delete a conditional jump
6678 preceeding a non-conditional jump to effectively the same place,
6679 make sure that the combined jump skips any clobber insns between
6682 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6684 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6686 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6688 * Makefile.in (toplev.o): Depend on params.h.
6689 (intergate.o): Likewise.
6690 (params.o): New target.
6691 * flags.h (inline_max_insns): Remove.
6692 * integrate.c: Include params.h.
6693 Use MAX_INLINE_INSNS instead of inline_max_insns.
6694 * params.c: New file.
6695 * params.h: Likewise.
6696 * params.def: Likewise.
6697 * toplev.c: Include params.h.
6698 (lang_independent_params): New variable.
6699 (decode_f_option): Use the param machinery instead of setting
6701 (independent_decode_option): Handle "--param name=value".
6702 (main): Register language-independent parameters.
6704 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6706 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6708 2001-02-14 Richard Henderson <rth@redhat.com>
6710 * regclass.c (init_reg_sets_1): Revert last two changes.
6712 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6714 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6715 (variable_size): Call put_pending_size.
6716 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6717 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6718 sizes list, put newly created SAVE_EXPR there as well.
6720 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6722 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6723 (errata_find_address_regs): load_group has only 2 entries.
6724 (errata_emit_nops): Likewise. shladd is not problematic.
6725 Clear last_group if nop was emitted.
6726 (fixup_errata): load_group has only 2 entries.
6729 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6731 * c-lex.c (lex_number): Only warn traditionally for U suffix
6732 outside system macros.
6733 * cppexp.c (parse_number): Similarly.
6734 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6735 * cppmacro.c (struct cpp_macro): New member node.
6736 (parse_args): Only warn about missing rest args if not
6738 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6739 (cpp_sys_objmacro_p): New.
6740 (_cpp_create_definition): Store the node with the macro defn.
6741 Remember if the macro is defined in a system header.
6743 2001-02-13 DJ Delorie <dj@redhat.com>
6745 * configure.in (check_languages): determine languages to check
6746 * Makefile.in (check-c++): alias for check-g++
6747 (check-f77): alias for check-g77
6748 (CHECK_TARGETS): depend on configured languages
6750 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6752 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6753 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6754 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6755 (sqrtextendsfdf2): Disable for SSE2.
6757 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6759 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6760 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6761 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6762 (sqrtextendsfdf2): Disable for SSE2.
6764 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6766 * i386.md (movsfcc_1): Support integer cmove instruction.
6767 (movdfcc_1): Likewise; new splitter.
6769 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6771 * i386.c (output_fp_compare): Support SSE.
6772 (prepare_fp_compare_args): SSE comparisons always support memory.
6773 * i386.h (TARGET_CMOVE): SSE imply cmove.
6774 * i386.md (cmp?f2): Enable for SSE too.
6775 (cmpfp_i*): Support SSE.
6777 (cmpfp_i_sse_only): New.
6778 (s*, b* fp expanters): Enable for SSE too.
6779 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6782 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6784 * regclass.c (init_reg_sets_1): Silence warning.
6786 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6788 * i386.md (sqrt?f2): Change to expander.
6789 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6791 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6793 * rtlanal.c (find_reg_equal_equiv_note): New function.
6794 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6795 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6796 * rtl.h: Add declarations for above functions.
6798 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6800 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6802 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6803 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6804 * flow.c (mark_regs_live_at_end): Likewise.
6805 (calculate_global_regs_live): Likewise.
6806 * gcse.c (compute_hash_table): Likewise.
6807 (compute_kill_rd): Likewise.
6808 * resource.c (mark_target_live_regs): Likewise.
6809 * rtl.h (INVALID_REGNUM): New macro.
6811 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6813 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6815 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6817 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6820 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6822 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6824 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6825 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6826 (fop_sf_1_sse, fop_df_1_sse): New patterns
6827 (fop_*): Disable float_extend and float patterns for SSE compilation.
6828 * i386.c (output_387_binary_op): Support SSE.
6830 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6832 * i386.md (dummy_extendsfdf2): Support SSE2
6833 (extendsfdf2): Enable if 80387 or SSE2.
6834 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6835 and no MIX_I387_SSE2
6836 (extendsfdf2_1_sse_only): New pattern.
6837 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6839 (truncdfsf2_1): Support SSE.
6840 (truncdfsf2_2): Support SSE.
6841 (truncdfsf2_2_1_sse): New pattern.
6842 (fixtruncsfsi2): Always use SSE if available.
6843 (fix_truncsfsi_sse): New pattern.
6844 (fix_truncdfsi_sse): New pattern.
6845 (floatsis?f2): Support SSE.
6846 (floatsidf2_i387): New pattern.
6847 (floatsidf2_sse): Likewise.
6849 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6851 * configure.in: Use "have_gnat" variable, not "gnat".
6852 * configure: Regenerated.
6854 * config/sparc/sparc.c (function_value): Treat all non-record
6855 aggregate types like used to treat UNION_TYPE.
6857 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6859 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6860 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6862 (MASK_MIX_SSE_I387): New.
6863 (TARGET_SSE): SSE2 imply SSE.
6864 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6865 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6866 (enum reg_class): Add new classes.
6867 (REG_CLASS_NAMES): Likewise.
6868 (REG_CLASS_CONTENTS): Likewise.
6869 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6870 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6871 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6872 (CLASS_MAX_NREGS): Use new macros.
6873 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6874 * i386.md (pushsf, movsf): Support SSE.
6875 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6876 splitters to use ANY_FP_REGNO_P.
6877 (movdf_nointeger, movdf_integer): Likewise.
6879 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6881 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6882 (try_combine): Use it.
6884 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6886 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6887 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6888 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6889 (REGISTER_MOVE_COST): Likewise.
6890 * i386-protos.h (ix86_secondary_memory_needed,
6891 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6892 * i386.c (ix86_secondary_memory_needed,
6893 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6895 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6897 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6898 (HARD_REGNO_MODE_OK): Move offline to ....
6899 * i386.c (ix86_hard_regno_mode_ok) ... here;
6900 refuse all incorrect modes.
6901 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6903 2001-02-13 Richard Henderson <rth@redhat.com>
6905 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6906 entire operator; replicate that and match_dup the operands.
6907 (cmp_ccx_arith_op_set): Likewise.
6908 (cmp_cc_arith_op_not_set): Likewise.
6909 (cmp_ccx_arith_op_not_set): Likewise.
6911 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6913 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6915 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6917 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6918 (TARGET_NO_BITFIELD_WORD): New macro.
6919 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6920 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6922 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6924 * cselib.c: New file, from simplify-rtx.c.
6925 * simplify-rtx.c: Remove cselib parts.
6926 * Makefile.in: Add cselib.o.
6928 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6930 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6931 (setup_incoming_varargs): Remove warning.
6933 * config/rs6000/rs6000.c (validate_condition_mode): When
6934 flag_fast_math, allow floating-point conditionals to be reversed.
6935 (rs6000_generate_compare): When flag_fast_math, don't generate
6936 cror operations for FP conditionals.
6938 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6940 (ASM_SPEC): Likewise.
6941 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6942 (CC1_SPEC): Likewise.
6943 (LINK_TARGET_SPEC): Likewise.
6944 (CPP_ENDIAN_SPEC): Likewise.
6945 * Makefile.in (check-consistency): New target.
6947 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6949 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6950 "return type defaults" warning for functions with return type
6952 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6953 function declarations by default rather than only when pedantic.
6955 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6957 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6960 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6962 * extend.texi (Deprecated): Deprecate new initializer lists.
6964 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6966 * mkdeps.c (deps_add_default_target): Robustify. Add
6967 basename component only.
6968 * cpp.texi (-M): Describe how default target is generated.
6969 * invoke.texi (-M): Likewise.
6971 2001-02-12 Kazu Hirata <kazu@hxi.com>
6973 * toplev.c (push_float_handler): Remove.
6974 (pop_float_handler): Remove.
6975 * toplev.h: Remove prototypes for the above functions.
6977 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6979 * c-common.c (constant_fits_type_p): New function.
6980 (convert_and_check): Use it.
6982 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6984 * Makefile.in (GXX_ABI_FLAG): Don't define.
6985 * configure.in (--enable-new-gxx-abi): Remove option.
6986 * config.in: Regenerated.
6987 * configure: Likewise.
6989 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6991 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6993 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6994 regular basic block, and arrange for all edges into it to switch
6997 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6999 * Makefile.in (distclean): Do not remove .gdbinit.
7001 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7003 * Makefile.in (gcc.o): Fix typos.
7004 (protize.o): Likewise.
7005 (unprotoize.o): Likewise.
7007 2001-02-11 Richard Henderson <rth@redhat.com>
7009 * tree.c (build1): Check for null operand in last change.
7011 2001-02-11 Richard Henderson <rth@redhat.com>
7013 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7014 (fold): Don't assume a constant isn't foldable.
7015 * tree.c (build): Set TREE_CONSTANT for an expression with no
7016 side-effects and constant operands.
7019 2001-02-10 Richard Henderson <rth@redhat.com>
7021 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7023 2001-02-10 Anthony Green <green@redhat.com>
7025 * cpp.texi (Standard Predefined): Add documentation for
7028 * c-common.c (combine_strings): Improve warning message.
7030 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7032 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7034 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7036 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7038 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7041 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7043 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7046 2001-02-09 Nick Clifton <nickc@redhat.com>
7048 * config/arm/arm.md: Change output contraint on post inc
7049 load/store multiple patterns to be a read/write contraint.
7051 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7053 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7054 .o files when using the -M options.
7056 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7057 David Edelsohn <edelsohn@gnu.org>
7059 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7060 handle DImode constants. Use one TOC entry for SImode and smaller
7061 constants, aligned properly.
7063 2001-02-08 Jason Merrill <jason@redhat.com>
7065 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7066 about the SP adjustment for saving the static chain pointer.
7067 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7068 offset when setting a temporary CFA register.
7070 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7072 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7073 powerpc-*-chorusos* .
7074 * config/rs6000/chorus.h : New file.
7075 * config/i386/chorus.h : New file.
7076 * config/sparc/chorus.h : New file.
7077 * config/sparc/t-chorus-elf : New file.
7079 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7081 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7082 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7083 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7084 (__WCHAR_TYPE__): Correct macro name.
7086 2001-02-08 Richard Henderson <rth@redhat.com>
7088 * config/i386/i386.c (ix86_frame_pointer_required): New.
7089 (ix86_setup_frame_addresses): New.
7090 (struct machine_funciton): Add accesses_prev_frame.
7091 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7092 ix86_frame_pointer_required.
7093 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7094 (SETUP_FRAME_ADDRESSES): New.
7095 * config/i386/i386-protos.h: Update.
7096 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7097 from FRAME_POINTER_REQUIRED.
7098 * config/i386/svr3gas.h: Likewise.
7099 * config/i386/sysv3.h: Likewise.
7100 * config/i386/v3gas.h: Likewise.
7102 2001-02-08 Richard Henderson <rth@redhat.com>
7104 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7105 calculation of the number of integer registers required.
7106 (function_arg_record_value): Likewise.
7108 2001-02-08 Jason Merrill <jason@redhat.com>
7110 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7111 two. Print file and line with "confused" message.
7113 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7115 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7117 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7119 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7121 * final.c (cleanup_subreg_operands): The address of a MEM can
7124 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7127 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7129 * gcc.texi (Incompatibilities): Update documentation of
7130 preprocessing numbers.
7132 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7134 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7136 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7138 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7140 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7141 * gcc.c (struct compiler): Add cpp_spec field.
7142 (input_file_compiler): New variable.
7143 (do_spec_1): Allow a particular compiler to handle `%C'
7145 (main): Store the current compiler in input_file_compiler.
7146 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7148 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7150 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7151 * cppinit.c (cpp_create_reader): Initialize them.
7152 (append_include_chain): cxx_aware arg might be unused.
7153 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7154 keywords and give them their phase 7 meaning. Pedwarn about
7155 this unless '__bool_true_false_are_defined' is defined.
7157 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7159 * lcm.c (optimize_mode_switching): Emit mode_set before the
7160 JUMP_INSN of an abnormal edge.
7162 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7164 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7165 a scheduling barrier at the end.
7167 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7169 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7171 * config/sh/sh.md (reload_outsf): Removed.
7172 (movsf_ie): Introduce constraints for FPUL loads and stores.
7173 (reload_insf): Broaden the output constraint.
7175 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7177 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7178 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7180 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7182 * final.c: Revert my previous changes.
7183 * output.h: Make profile_label_no extern.
7184 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7185 for generating label.
7187 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7189 * config/i386/djgpp.h: Add comments about standard paths.
7190 (MD_EXEC_PREFIX): Undefine before defining.
7191 (MD_STARTFILE_PREFIX): New.
7193 2001-01-30 Bruce Korb <bkorb@gnu.org>
7195 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7196 (load_file): do not rely on load_file_data() to close file pointer
7197 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7198 fixinc/inclhack.def(irix_limits_const): add test_text
7200 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7202 * cppexp.c (parse_defined): Improve diagnostics for invalid
7205 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7207 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7209 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7211 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7212 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7213 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7214 (rs6000_output_symbol_ref): New function.
7215 (output_toc): Use VTABLE_NAME_P.
7217 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7219 * print-tree.c (print_node, case PARM_DECL):
7220 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7222 * stor-layout.c (reference_types_internal): New variable.
7223 (internal_reference_types): New function.
7224 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7225 * tree.h (internal_reference_types): New declaration.
7227 * cse.c (find_best_addr): Fix typo in computing cost.
7229 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7231 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7232 and this is the sum of a pointer and a constant, we know the result
7234 (num_sign_bit_copies, case PLUS): Likewise.
7235 * explow.c (convert_memory_address): Remove opposite SUBREG.
7236 * function.c (instantiate_new_reg): New function (from common code).
7237 (instantiate_virtual_regs_1): Call it.
7238 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7239 if pointers sign- or zero-extend.
7240 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7241 If pointers extend unsigned, use inside of SUBREG.
7242 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7244 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7246 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7247 subdir of gcc_gxx_include_dir.
7248 (gcc_gxx_target_include_dir): Remove.
7250 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7252 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7253 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7254 a high-level description.
7256 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7258 * final.c: Move the declaration of profile_label_no to ...
7259 * output.h: ... here.
7260 * function.c (expand_function_start): Call PROFILE_HOOK.
7261 * config/rs6000/aix.h: Define PROFILE_HOOK.
7262 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7263 * config/rs6000/rs6000.c (output_profile_hook): Define.
7264 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7265 output_profile_hook.
7266 tm.texi : Explain new macro PROFILE_HOOK.
7268 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7270 * extend.texi (Extended Asm): Do not say that semicolon is always
7271 a valid line-breaking character for GNU assemblers. Use
7272 newline-tab as the most commonly supported syntax. Use
7273 newline-tab rather than semicolon in multi-insn examples.
7275 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7277 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7279 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7280 David Edelsohn <edelsohn@gnu.org>
7282 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7283 code for AIX, even without flag_pic.
7285 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7287 * c-typeck.c (common_type): push and pop binding level around
7288 calling common_type on function parameters.
7290 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7292 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7294 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7296 * config/mips/mips.c (override_options): Fix typo in last change.
7297 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7298 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7300 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7302 * invoke.texi (-fdump-class-layout): Document.
7303 (-fdump-translation-unit): Use `=' as filename separator.
7305 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7307 * Makefile.in (s-mlib): Don't build multilibs if
7309 (DRIVER_DEFINES): Adjust accordingly.
7311 (protoize.o): Likewise.
7312 (unprotoize.o): Likewise.
7313 * configure.in: Recognize --enable-multilib.
7315 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7317 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7319 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7320 * configure.in: Remove --enable-libstdcxx_v3 support.
7321 * configure: Regenerated.
7323 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7325 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7326 Call abort instead of fatal.
7327 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7328 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7329 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7330 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7331 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7332 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7334 * diagnostic.h (set_internal_error_function): Renamed.
7335 * toplev.h (internal_error): Renamed from fatal.
7336 (pfatal_with_name): Deleted.
7337 (fatal_io_error): Now has printf-style arguments.
7338 * diagnostic.c (pfatal_with_name): Deleted.
7339 (fatal_io_error): Rework to have args in printf-style.
7340 (set_internal_error_function): Renamed from set_fatal_function.
7341 (internal_error): Renamed from fatal.
7342 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7343 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7344 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7345 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7346 * flow.c (verify_flow_info): Likewise.
7347 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7348 * config/mips/mips.c (save_restore_insns): Likewise.
7350 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7351 * flow.c (verify_flow_info): Likewise.
7352 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7353 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7354 (avr_normalize_condition): Likewise.
7355 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7356 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7357 (limit_reload_class, double_reg_to_memory): Likewise.
7358 (print_operand_address, emit_1600_code_shift): Likewise.
7359 (gen_tst_reg, gen_compare_reg): Likewise.
7360 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7361 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7363 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7365 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7366 * objc/objc-act.c (build_ivar_chain): Likewise.
7367 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7369 * graph.c (clean_graph_dump_file): Likewise.
7370 * profile.c (init_branch_prob): Likewise.
7371 * objc/objc-act.c (objc_init): Likewise.
7373 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7374 * config/avr/avr.c (avr_override_options): Likewise.
7375 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7376 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7377 * config/h8300/h8300.c (h8300_init_once): Likewise.
7378 * config/mips/mips.c (override_options): Likewise.
7379 * config/i386/i386.c (override_options): Likewise, rework.
7380 * config/m68k/m68k.c (override_options): Likewise.
7382 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7384 * config/mips/mips.c (print_operand): Likewise.
7385 * hash.c (hash_allocate): Don't check for failure returns from
7386 obstack functions that can't fail.
7387 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7388 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7389 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7390 (get_object_reference): Likewise.
7392 2001-02-04 Nick Clifton <nickc@redhat.com>
7394 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7395 StrongARM1110, 10TDMI, and 1020T.
7397 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7399 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7401 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7403 * config/sh/sh.md (movdf load split): Pass register number to
7404 FP_OR_XD_REGISTER_P.
7406 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7408 * cppinit.c (BC): New macro.
7409 (builtin_array): Add __GXX_WEAK__.
7410 * cpplib.h (builtin_type): Add BT_WEAK.
7411 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7412 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7413 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7415 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7417 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7419 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7421 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7422 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7424 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7426 * cpphash.h: Rename ALIGN _ALIGN.
7427 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7429 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7431 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7432 compilation environment.
7433 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7434 control over location of cygwin includes and libs.
7436 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7438 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7440 2001-02-02 lars brinkhoff <lars@nocrew.org>
7442 * md.texi (Standard Names): remove reference to spur.md.
7444 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7446 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7447 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7448 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7449 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7450 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7452 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7454 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7455 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7456 number before reload.
7457 (c4x_adjust_cost): Return zero before reload.
7458 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7459 split before reload.
7461 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7463 * c4x.c (c4x_hard_regno_rename_ok): New.
7464 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7465 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7467 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7469 * diagnostic.h: Add missing "extern" in all declarations.
7471 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7473 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7474 as for gcc_gxx_include_dir.
7476 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7478 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7480 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7482 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7483 label before alignment to be used as the braf base address.
7484 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7486 (casesi_jump_2): Require at least TARGET_SH2.
7488 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7489 truncation to 32-bit doubles on -m3e and -m4-single-only.
7491 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7493 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7494 the default when building a shared object.
7495 (init_spec): Use it.
7496 * testsuite/lib/g++.exp: Include the directory where libgcc
7497 is located to the LD_LIBRARY_PATH list.
7498 * invoke.texi (-shared-libgcc): Document the cases in which
7499 GCC defaults to using the shared libgcc.
7501 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7503 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7504 unsigned is wide enough.
7506 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7507 (si_to_float): Likewise.
7508 (float_to_si, float_to_usi): Use BITS_PER_SI.
7510 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7512 * dwarf2out.c: Added explanation of abbreviations.
7513 (def_cfa_1): Added comments listing DWARF2 instructions.
7514 (cfa_temp_reg): Removed in favor of cfa_temp.
7515 (cfa_temp_value): Removed in favor of cfa_temp.
7516 (cfa_temp): New global variable.
7517 (dwarf2out_frame_debug_expr): Added extensive introductory
7518 comments explaining the function's transformations. Revised to
7519 use cfa_temp. Added some rtx checking. Generalize IOR case.
7520 (dwarf2out_frame_debug): Revised to use cfa_temp.
7521 (output_aranges): Cast as "unsigned" to avoid warning.
7522 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7523 explain which instructions must be marked.
7525 2001-02-01 Richard Henderson <rth@redhat.com>
7527 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7530 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7532 * config/sh/crt1.asm (main_k): Modified so that start calls
7533 ___setup_argv_and_call_main.
7535 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7537 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7538 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7539 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7540 * cppmacro.c (builtin_macro): Set builtin flags here.
7541 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7542 (replace_args): Clarify intent.
7543 (cpp_get_token): Macro expansion tokens get the saved flags.
7545 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7548 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7550 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7553 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7555 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7556 returns Pmode pseudo, but we need ptr_mode.
7557 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7558 Remove bogus conversions; use HOST_WIDE_INT for size.
7559 Don't use TARGET if wrong mode.
7561 * config/i386/i386.c (ix86_compute_frame_size): Allow
7562 stack_alignment_needed to be non-default even if size is zero.
7564 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7566 * pa.c (hppa_init_pic_save): New function.
7567 * pa.h (hppa_init_pic_save): Declare.
7568 * pa.md (call, call_value, sibcall, sibcall_value): Use
7569 the above instead of duplicated code.
7571 * pa.c (hppa_encode_label): Correct size of alloca buffer
7572 so we don't overrun it. Correct leading `*' case.
7573 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7574 need to handle `*@'.
7575 (FUNCTION_NAME_P): Likewise.
7577 2001-01-31 Richard Henderson <rth@redhat.com>
7579 * config.gcc (alpha-osf5): Use float-i128.h.
7581 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7582 * config/float-i32.h: Likewise.
7583 * config/float-i64.h: Likewise.
7584 * config/float-sh.h: Likewise.
7585 * config/float-sparc.h: Likewise.
7587 2001-01-31 DJ Delorie <dj@redhat.com>
7589 * expmed.c (extract_bit_field): allow non-integral modes if we
7590 want to extract a whole register from itself.
7592 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7594 * c-typeck.c (set_init_index): If first is equal to last, assume as
7595 if it was not a range at all.
7597 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7599 * config/fp-bit.c: Include tm.h.
7600 (float_to_si): Don't assume SImode is 32-bits wide.
7601 (float_to_usi): Likewise.
7603 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7605 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7607 (typename): Call pending_xref_error after parsing typed_typespecs.
7608 * c-decl.c (lookup_tag): Give error immediately rather than
7609 leaving it pending if the tag of the wrong type is in the same
7611 (xref_tag): Don't pedwarn for forward declarations of enum types
7613 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7616 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7618 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7620 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7622 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7623 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7625 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7627 * cpphash.h (struct cpp_reader): New saved_flags.
7628 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7629 to avoid a paste after a pasted token.
7631 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7633 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7634 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7635 Wtype_MIN instead of LONG_MIN.
7637 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7639 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7641 * fixinc/fixincl.x: Regenerated.
7642 * fixinc/inclhack.def (irix_limits_const): New definition to
7643 convert "const" to "__const" in limits.h.
7645 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7647 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7649 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7651 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7652 when register dies in the insn.
7654 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7656 * diagnostic.c (fatal): Fix word wrap.
7658 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7660 * combine.c (try_combine): Fix SUBREG setting for
7661 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7663 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7665 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7668 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7670 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7672 * toplev.c (decode_W_option): Update warn_larger_than
7673 unconditionally for each processed switch.
7675 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7677 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7679 (hppa_expand_prologue): Delete code to save pic offset table register
7680 in the function prologue.
7681 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7682 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7683 table register at the beginning of the function after the prologue.
7685 2001-01-29 lars brinkhoff <lars@nocrew.org>
7687 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7689 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7690 Jeff Law <law@redhat.com>
7692 * pa.md (return): Revise comment for trivial return.
7693 (return_internal): Non-trivial return pattern for non-PIC code.
7694 (return_internal_pic): Non-trivial return pattern for PIC code.
7695 It uses the PIC register to ensure it is restored after
7697 (epilogue): Generate appropriate return for PIC and non-PIC code.
7699 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7701 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7703 2001-01-29 DJ Delorie <dj@redhat.com>
7705 * combine.c (if_then_else_cond): Pass the correct mode to
7706 operand_subword() for constants.
7708 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7710 * config/i386/cygwin.h: Add w32api to include search. Search different
7711 directories in a cross-build environment.
7713 2001-11-29 Tim Josling <tej@melbpc.org.au>
7715 * tree.h (TYPE_STUB_DECL): Add documentation.
7717 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7719 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7720 (sdbout_field_types): Likwise. Fix use of host_integerp.
7722 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7724 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7727 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7729 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7730 to use flag_gnu_linker.
7732 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7734 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7735 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7737 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7739 * tree.c, tree.h (build_parse_node): Remove; was identical to
7741 * c-lang.c (start_cdtor), objc/objc-act.c
7742 (build_module_descriptor): Use build_nt instead of
7745 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7747 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7748 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7749 not have any upper bits set.
7751 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7753 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7755 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7759 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7761 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7762 (integer_minus_one_node): Define.
7764 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7766 * Makefile.in (bootstrap2-lean): Fix typo.
7768 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7770 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7771 : Don't set fe_value.
7772 * cpplib.h (AVOID_LPASTE): New flag.
7773 (struct cpp_hashnode): Remove fe_value.
7774 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7775 * cppmacro.c (builtin_macro): Don't set flags here.
7776 (replace_args): Set AVOID_LPASTE flag on first token of an
7777 argument, and the token following it.
7778 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7779 macro expansion, and on the token following it. Do it for
7781 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7783 2001-01-27 Richard Henderson <rth@redhat.com>
7785 * config/alpha/t-ieee: Remove multilibbing.
7786 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7788 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7790 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7792 * Makefile.in: Remove all dependencies on defaults.h.
7793 * builtins.c: Don't include defaults.h.
7794 * c-common.c: Likewise.
7795 * c-decl.c: Likewise.
7796 * c-pragma.c: Likewise.
7797 * c-typeck.c: Likewise.
7798 * combine.c: Likewise.
7800 * frame-ia64.c: Likewise.
7801 * cppexp.c: Likewise.
7802 * crtstuff.c: Likewise.
7803 * dbxout.c: Likewise.
7804 * dwarf2out.c: Likewise.
7805 * dwarfout.c: Likewise.
7806 * emit-rtl.c: Likewise.
7807 * except.c: Likewise.
7809 * final.c: Likewise.
7810 * frame-dwarf2.c: Likewise.
7811 * libgcc2.c: Likewise.
7812 * optabs.c: Likewise.
7813 * profile.c: Likewise.
7814 * sdbout.c: Likewise.
7815 * toplev.c: Likewise.
7816 * tradcif.y: Likewise.
7818 * varasm.c: Likewise.
7820 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7822 * builtins.c (expand_builtin_fputs): Use size_one_node when
7823 transforming into fwrite.
7825 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7827 * extend.texi (Attribute Syntax): New section.
7829 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7831 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7832 they didn't need fixing.
7834 2001-01-27 Janis Johnson <janis@us.ibm.com>
7836 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7838 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7839 to remove macro definitions that are duplicated from elfos.h.
7841 2001-01-27 Richard Henderson <rth@redhat.com>
7843 * config/i386/sco5gas.h: Move ...
7844 * config/usegas.h: ... here.
7845 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7847 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7849 * c-typeck.c (struct constructor_stack): Add range_stack member.
7850 (really_start_incremental_init): Clear it.
7851 (push_init_level): Save constructor_range_stack and clear it if
7852 pushing explicit braces.
7853 (pop_init_level): abort if constructor_range_stack is non-zero at
7854 explicit closing brace. Restore saved constructor_range_stack if
7857 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7859 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7860 into register was forced into memory.
7862 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7864 * Makefile.in: Remove uses of + before $(MAKE).
7866 2001-01-26 Richard Henderson <rth@redhat.com>
7868 * stmt.c (cost_table): Remove.
7869 (COST_TABLE, cost_table_initialized): New.
7870 (estimate_case_costs): Use the later instead of the former.
7871 (balance_case_nodes): Likewise.
7873 2001-01-26 Richard Henderson <rth@redhat.com>
7875 * alias.c (objects_must_conflict_p): Read-only slots may not
7876 conflict despite having the same type.
7878 2001-01-27 Michael Hayes <mhayes@redhat.com>
7880 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7882 (check_ext_dependant_givs): Initialise u_start_val and
7884 (load_mems): Make last_max_reg unsigned.
7885 (try_swap_copy_prop): Use INSN_P and initialise set.
7887 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7889 * README.AVR : Removed.
7891 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7893 * pa-64.h (text_section): Remove declaration.
7895 * pa.md (return_internal): Remove mode on PIC register use.
7897 2001-01-25 lars brinkhoff <lars@nocrew.org>
7899 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7900 ASM_CLOSE_PAREN): fix typos.
7902 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7904 * acconfig.h: Define `const' to the empty string if neither
7905 __STDC__ nor __cplusplus is defined.
7906 * config.in: Regenerated.
7908 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7910 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7911 * collect2.c (main): Delete importf. Add ".obj" file extension.
7912 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7913 (aix_std_libs): Add additional AIX libraries to skip.
7914 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7915 * config/rs6000/aix51.h: New file.
7917 2001-01-25 Michael Hayes <mhayes@redhat.com>
7919 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7920 (loop_insn_emit_before): No longer static.
7921 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7922 (loop_givs_rescan, load_mems): Likewise.
7923 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7924 (maybe_eliminate_biv_1):
7925 (move_movables): Replace emit_call_insn_before with
7926 loop_call_insn_hoist.
7927 * loop.h (loop_insn_emit_before): Add.
7928 * unroll.c (copy_loop_body): Replace emit_insn_before with
7929 loop_insn_emit_before.
7931 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7933 * diagnostic.c (fatal): Request preprocessed source.
7935 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7937 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7938 olddecl has argument types and newdecl has none, use the argument
7941 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7943 * dwarf2out.c (prefix_of): New function. Determine longest common
7944 prefix of the two arguments. The units are whole path components.
7945 (output_file_names): When adding a new directory find the one entry
7946 with the longest common prefix already in the list. Artificially
7947 generate entry if there is none for this prefix.
7948 Fix test to check whether the zeroth directory entry is used.
7950 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7952 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7953 Changed all callers. Take it into account when deciding if a
7954 previously loaded value matches.
7956 2001-01-24 Richard Henderson <rth@redhat.com>
7958 * reload.c (find_reloads_subreg_address): Fail the substitution
7959 if the resulting address is insufficiently aligned.
7961 2001-01-24 DJ Delorie <dj@redhat.com>
7963 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7964 check the original operand's mode also.
7965 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7967 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7969 * c-parse.in (cast_expr): Move compound literals from here ...
7970 (primary): ... to here. Use standard terminology "compound
7971 literal" instead of "constructor expression".
7973 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7975 * gcc.1, cpp.1: Regenerate.
7977 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7979 * calls.c (emit_library_call_value_1): Memory slot for
7980 pass-by-reference argument should have the mode of the argument,
7981 not of the pointer to it.
7983 2001-01-24 Tom Tromey <tromey@redhat.com>
7985 * gcc.texi (G++ and GCC): Mention gcj manual.
7986 (Standards): Link to section of manual mentioning gcj/Java
7989 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7991 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7992 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7993 * tradcpp.c (main): Add -imacros or -include'd dependencies
7995 * cpp.texi (-M, -MM): Document -M -include behaviour.
7997 2001-01-24 Roger Collins <roger@ProProject.com>
7999 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8001 2001-01-24 Will Cohen <wcohen@redhat.com>
8003 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8004 whether registers are 32 bits or 64 bits in size.
8006 2001-01-24 Ben Elliston <bje@redhat.com>
8008 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8010 2001-01-24 Richard Henderson <rth@redhat.com>
8012 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8013 (builtin_longjmp): Use it instead of emit_indirect_jump.
8015 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8017 * bb-reorder.c (make_reorder_chain_1): Handle case where
8018 jump edge goes to the same block as the fallthru edge.
8020 2001-01-23 Jim Wilson <wilson@redhat.com>
8022 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8023 * frame.h (__ia64_personality_v1): Add prototype.
8024 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8025 prototype form. Add void * cast to first argument to personality
8027 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8028 (asctoe113): Likewise.
8029 * config/ia64/frame-ia64.c: Include eh-common.h.
8030 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8032 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8034 (itanium_split_issue): Add prototype.
8035 (gen_nop_type): Ifdef out.
8036 (find_best_packet): Initialize best_packet.
8037 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8039 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8040 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8041 (flushrs): Add explicit stop bit at end.
8042 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8045 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8047 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8049 * libgcc2.c (__terminate_func): Make variable static.
8050 (__terminate_set_func): New function to set __terminate_func.
8051 * libgcc2.h (__terminate_func_ptr): New typedef.
8052 (__terminate_set_func): New function.
8054 2001-01-23 Richard Henderson <rth@redhat.com>
8056 * flow.c (init_propagate_block_info): Don't consider unchanging
8057 memories for dead frame store elimination.
8059 2001-01-23 Richard Henderson <rth@redhat.com>
8061 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8062 * defaults.h: ... here.
8064 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8066 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8068 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8070 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8072 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8074 * rs6000.h (rs6000_return_addr): Move prototype from here...
8075 * rs6000-protos.h (rs6000_return_addr): ...to here.
8076 (rs6000_init_expanders): Delete prototype.
8078 2001-01-23 Nick Clifton <nickc@redhat.com>
8080 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8081 (Spec Files): Document %B and %j and %. and %v3 and %M and
8082 %{S*&T} spec switches.
8084 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8086 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8088 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8089 Neil Booth <neil@daikokuya.demon.co.uk>
8091 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8092 Have -Werror make pedantic warnings errors, like the
8095 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8097 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8099 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8101 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8102 * integrate.c (expand_inline_function): Initialize them.
8103 (subst_constants): If changing COMPARE so that both its arguments
8104 will be VOIDmode and the comparison mode will be lost, note
8105 compare_mode. Use the recorded compare_mode to optimize
8108 2001-01-23 Jason Merrill <jason@redhat.com>
8110 * dwarf2out.c (new_die): Use xcalloc.
8111 (output_die): Abort rather than emit a local reference to offset 0.
8113 2001-01-17 Andrew Haley <aph@redhat.com>
8115 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8116 of a saved register; return NULL instead.
8117 (copy_reg): Take a pointer to a source register rather than a
8119 (next_stack_level): Remember the address in the stack frame of all
8121 Use the saved register pointer array as the source of the CFA.
8122 (throw_helper): Rewrite. Unwind once rather than twice and keep
8123 track of saved registers as we go.
8125 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8127 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8128 * c4x.c (c4x_legitimize_reload_address): Remove.
8129 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8130 reload address for ldp(k) insn.
8132 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8134 * pa.md (return_internal): Add a USE of the PIC register to ensure
8135 it is restored after each call.
8136 (return expander): Corresponding changes.
8138 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8140 * rs6000.h (INIT_EXPANDERS): Delete.
8141 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8142 * rs6000.c (rs6000_override_options): Call *_machine_status from
8144 (rs6000_init_expanders): ...instead of here. Delete.
8145 (rs6000_mark_machine_status): New function.
8146 (rs6000_init_machine_status): Use xcalloc.
8147 (rs6000_return_addr): Generate RTX for the return address.
8148 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8149 (rs6000_stack_info): Use it.
8151 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8153 * gthr-win32.h: Include errno.h to get a declaration for
8154 EINVAL and _mingw.h if the target is mingw32.
8156 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8158 * cpp.texi: Correct typos.
8160 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8162 * explow.c (probe_stack_range): Ensure value passed to
8163 stack_check_libfunc is ptr_mode, not Pmode.
8165 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8167 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8168 case, don't use operand_subword to calculate a SUBREG that is
8171 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8173 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8175 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8176 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8177 valid. If not replace it by equivalent insns.
8179 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8181 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8182 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8183 (c4x_U_constraint, symbolic_address_operand): Likewise.
8184 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8186 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8187 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8188 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8189 anulling slot because of silicon bug.
8190 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8192 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8194 * cppexp.c (parse_charconst): Change `mask' type to agree
8197 2001-01-21 Richard Henderson <rth@redhat.com>
8199 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8200 pic_label_name in a linkonce section.
8202 2001-01-17 Philipp Thomas <pthomas@suse.de>
8204 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8206 * configure: Regenerate.
8208 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8210 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8211 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8213 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8215 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8216 If REVERSE nonzero then condition code in X must be reversed.
8217 (encode_section_info): Optimise if/else.
8218 (avr_function_value): Fix formatting.
8220 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8221 (difficult_branch): Likewise.
8222 (rvbranch): Likewise.
8223 (difficult_rvbranch): Likewise.
8225 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8227 * config/avr/libgcc.S: Fix comment.
8229 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8231 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8233 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8235 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8237 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8239 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8240 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8241 * configure, config.in: Regenerate.
8242 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8243 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8244 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8245 (doprint.o): New rule.
8247 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8249 * c-typeck.c (digest_init): Handle boolean types as scalars.
8251 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8253 * stmt.c (expand_return): Don't return anything if size is zero.
8254 Delete redundant assignment to BYTES.
8255 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8257 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8259 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8260 the same as the default library function names.
8261 * config/avr/avr.md: Document special characters after '%'.
8262 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8263 knowing which of the call-used registers are really clobbered.
8264 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8265 New. Both quotient and remainder from one libgcc.S call.
8266 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8267 clobber as few registers as possible.
8268 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8270 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8272 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8273 context of the top of the stack.
8275 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8277 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8278 (fixup_var_refs_insns): ...here.
8280 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8282 * function.c (fixup_var_refs_insns): Break up into
8283 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8284 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8285 [loop over hash table entries].
8286 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8287 fixup_var_refs_insns_with_hash, to match above changes.
8289 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8291 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8292 (libgcc.a): Likewise.
8293 (stmp-multilib): Likewise.
8294 (STAGE2_FLAGS_TO_PASS): Likewise.
8296 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8298 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8299 temporary if no_new_pseudos.
8301 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8303 * cppinternals.texi: Update.
8305 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8307 * arm.c (arm_init_builtins): Re-enable builtins.
8309 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8311 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8312 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8313 element to be null, and always expect an EXPR_LIST.
8314 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8315 * sched-deps.c (sched_analyze_1): Likewise.
8316 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8318 * regclass.c (max_set_parallel): New variable.
8319 (reg_scan): Take it into account in computation of max_parallel.
8320 (reg_scan_mark_refs, case SET): Compute it.
8322 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8324 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8325 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8327 2001-01-19 Jason Merrill <jason@redhat.com>
8329 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8330 for the abstract instance of an inline function.
8332 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8333 J"orn Rennecke <amylaar@redhat.com>
8335 * reload1.c (move2add_note_store): Treat all registers directly or
8336 indirectly derived from a base register as members of the same set
8338 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8339 of base register into account.
8341 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8343 * alias.c (find_base_value): Recognize TRUNCATE.
8344 (record_set): In PLUS case, invalidate if other summand is also a
8347 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8349 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8350 entry to be EXPR_LIST.
8351 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8352 be an EXPR_LIST (but not null, which other code doesn't allow).
8353 (note_stores): Properly handle PARALLEL in SET.
8354 Recursively call for top-level PARALLEL.
8355 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8356 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8358 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8360 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8362 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8363 not pfile->skipping (== 0).
8365 2001-01-17 Nick Clifton <nickc@redhat.com>
8367 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8370 2001-01-17 Jim Wilson <wilson@redhat.com>
8372 * invoke.texi (IA-64 options): Improve.
8374 2001-01-17 Tom Tromey <tromey@redhat.com>
8376 * invoke.texi (Optimize Options): Use `{}' to around @samp
8379 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8381 * invoke.texi (-fno-guess-branch-probability): New option.
8383 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8385 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8386 case of making new double-word constant.
8387 Revert last change: instead just test i3_subst_into_i2.
8389 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8391 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8392 Use q constraints instead of r.
8394 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8396 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8397 (machine_function): Define.
8398 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8399 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8400 pa_free_machine_status): New functions.
8401 (override_options): Set {init,mark,free}_machine_status to above.
8402 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8403 PIC_OFFSET_TABLE_REGNUM_SAVED.
8404 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8405 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8406 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8407 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8408 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8410 2001-01-15 DJ Delorie <dj@redhat.com>
8412 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8416 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8418 * flow.c (propagate_on_insn): Make trying to delete a prologue
8419 or epilogue insn an ICE, not a warning. Allow doing this if
8420 the current function returns with stack pointer depressed.
8422 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8423 I3 having more than one SET.
8425 2001-01-16 Jim Wilson <wilson@redhat.com>
8427 * invoke.texi: Document IA-64 options.
8429 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8430 (fixup_errata): Delete TARGET_A_STEP use.
8431 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8432 (TARGET_SWITCHES): Delete -ma-step option.
8433 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8434 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8435 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8436 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8437 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8438 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8440 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8441 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8442 cmovsi_internal): Delete ! TARGET_A_STEP check.
8444 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8446 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8447 possibility to report bugs via postal mail. Change a URL and
8448 merge in a nearly duplicate statement...
8449 (Bug Reporting): ...from here.
8450 (Service): Refer to the Bug Reporting section instead of
8452 (Contributing): Remove trivial explanations concerning snapshots.
8454 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8456 * cppmain.c (general_init): Don't use ANSI prototype.
8458 2001-01-16 Tom Tromey <tromey@redhat.com>
8460 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8462 2001-01-16 Richard Henderson <rth@redhat.com>
8464 * config/i386/i386.h: Fix comment typo.
8465 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8466 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8468 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8470 * gcc.c: Revert previous -fsyntax-only-related change; move
8473 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8475 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8476 inmode after checking GET_CODE (op).
8478 2001-01-16 Richard Henderson <rth@redhat.com>
8480 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8481 (MAX_MEM_SET_LIST_LEN): New.
8482 (propagate_one_insn): Update mem_set_list_len.
8483 (invalidate_mems_from_autoinc): Likewise.
8484 (invalidate_mems_from_set): Likewise.
8485 (mark_used_regs): Likewise.
8486 (init_propagate_block_info): Likewise. Stop collecting memories
8487 when we reach MAX_MEM_SET_LIST_LEN.
8488 (mark_set_1): Likewise.
8490 2001-01-16 Richard Henderson <rth@redhat.com>
8492 * unroll.c (precondition_loop_p): Fail if no iteration
8495 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8497 * gcc.c: When -fsyntax-only is given, do not complain about
8500 2001-01-15 Richard Henderson <rth@redhat.com>
8502 * config/i386/i386.c (asm_output_function_prefix): Remove.
8503 (ix86_asm_file_end): New.
8504 (load_pic_register): Generate pic_label_name into a
8505 staticly allocated buffer.
8506 * config/i386/i386-protos.h: Update.
8507 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8508 (ASM_FILE_END): New.
8509 * config/i386/i386afe.h: New file.
8510 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8511 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8512 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8513 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8514 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8515 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8516 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8518 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8520 * Makefile.in (install-man): Remove explicit dependency on
8523 * configure.in, configure: Revert previous patch requiring perl
8526 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8528 * toplev.c (flag_guess_branch_prob): New.
8529 (f_options): Add guess-branch-probability option.
8530 (rest_of_decl_compilation): Only estimate branch probability if
8532 (main): set flag_guess_branch_prob.
8534 * flags.h (flag_guess_branch_prob): New.
8536 2001-01-15 DJ Delorie <dj@redhat.com>
8538 * gcc.texi (Makefile): Add documentation for Makefile targets.
8540 2001-01-15 Philip Blundell <philb@gnu.org>
8542 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8544 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8545 (is_pic): Delete declaration.
8546 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8547 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8548 * config/arm/arm.md (builtin_setjmp_receiver): New.
8550 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8552 * arm.c (use_return_insn): Don't try to determine the function type
8553 until after reload has completed.
8554 (arm_output_epilogue): Don't adjust the sp value recovered from the
8556 (emit_multi_reg_push): Don't record dwarf information for the pc.
8557 * arm.md (eh_epilogue): The function type may have changed, so it
8558 needs to be recalculated.
8559 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8560 unwind tables on arm/netbsd.
8562 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8564 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8565 (negated_cbranchsi4): Likewise.
8567 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8569 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8570 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8571 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8572 pass -mapcs-* options to assembler.
8573 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8574 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8575 (ASM_SPEC): Call subtarget_extra_asm_spec.
8577 2001-01-15 Andreas Jaeger <aj@suse.de>
8579 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8581 (ix86_expand_builtin): Likewise.
8583 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8584 warning about comparison between signed and unsigned.
8586 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8588 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8590 2001-01-14 Ralf Baechle <ralf@gnu.org>
8592 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8593 SUBTARGET_CPP_SPEC apropriatly.
8595 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8597 * varasm.c (make_decl_rtl): Fix typo in last change.
8599 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8601 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8602 linker supports the init_priority C++ attribute.
8603 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8604 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8605 linker does not support init_priority C++ attribute.
8607 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8609 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8611 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8613 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8614 * cp/lex.c (finish_parse): Similarly.
8615 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8616 Return the number of errors encountered.
8617 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8618 * cppmain.c (main): Don't call cpp_destroy.
8620 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8622 * configure.in: Require at least perl 5.6.0 to regenerate
8624 * configure: Regenerate.
8626 2001-01-14 Richard Henderson <rth@redhat.com>
8628 * genrecog.c (DT_veclen_ge): New.
8629 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8630 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8631 (nodes_identical_1): Handle DT_veclen_ge.
8632 (write_cond, debug_decision_2): Likewise.
8634 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8636 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8638 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8640 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8642 * cppmain.c (do_preprocessing): New function; most of the old
8644 (main): Call it to do most of the work.
8645 (cb): Move from global scope to set_callbacks ().
8646 (setup_callbacks): Get the callback pointer.
8647 (general_init, printer_init): Clean up code and comments.
8649 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8651 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8654 2001-01-14 Kazu Hirata <kazu@hxi.com>
8656 * config/h8300/h8300.c (get_shift_alg): Update comments.
8658 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8660 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8661 (alloc_page, ggc_alloc): Add casts to remove warnings.
8663 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8665 * combine.c (simplify_comparison): Don't change `code' when
8666 can't reverse comparison.
8668 2001-01-14 Richard Henderson <rth@redhat.com>
8670 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8671 update all call sites. Return true for all non-label constants.
8673 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8675 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8677 (ix86_expand_branch): Update.
8678 (ix86_expand_setcc): Update to handle multiple test conditions.
8679 (expand_int_movcc): Likewise.
8680 (expand_fp_movcc): Likewise.
8681 * i386-protos.h (ix86_expand_compare): New.
8682 * i386.md (andqi_?_slp, orqi_?_slp): New.
8683 (conditional trap expander): Update call to ix86_expand_compare.
8685 2001-01-14 Richard Henderson <rth@redhat.com>
8687 * config/vax/vax.md: Use nonimmediate_operand instead of
8688 general_operand in destinations.
8690 * config/vax/vax.md (indirect_jump): Use register_operand.
8692 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8693 * config/vax/vax.md (call_pop): Turn into an expander.
8694 (call_value_pop): Likewise.
8695 (call, call_value): New.
8697 2001-01-14 Andreas Jaeger <aj@suse.de>
8699 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8701 (ix86_fp_compare_mode): Add unused attribute.
8702 (ix86_expand_fp_movcc): Remove unused variable.
8703 (ix86_expand_builtin): Make fcode unsigned.
8705 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8706 (expand_expr): Add cast to avoid signed warning.
8707 (store_field): Likewise.
8708 (store_constructor_field): Likewise.
8709 (store_constructor): Likewise.
8710 (store_expr): Likewise.
8711 (clear_storage): Likewise.
8712 (emit_group_store): Likewise.
8713 (emit_group_load): Likewise.
8715 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8717 * c-common.c: Move format checking code to ...
8718 * c-format.c: ... here. New file. Reorder some functions and
8720 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8722 * c-common.h (decl_handle_format_attribute,
8723 decl_handle_format_arg_attribute): Declare.
8724 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8725 (c-common.o): Adjust dependencies.
8726 (c-format.o): New list of dependencies.
8728 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8730 * unroll.c (loop_iterations): If we cannot prove iteration variable
8731 is set once in each iteration, punt.
8733 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8735 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8736 (*strlenhi): Remove clobber (which was buggy) of output address.
8738 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8740 * Makefile.in (generated-manpages): Add gcc.1
8741 ($(srcdir)/gcc.1): New target.
8742 (maintainer-clean): Delete $(srcdir)/gcc.1.
8743 * gcc.texi: Add macros @gccoptlist and @gol.
8744 * invoke.texi: Include option summary in manpage. Mark up option
8745 summary with @gccoptlist and @gol. Use @r in one place where
8747 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8748 * gcc.1: Generate from invoke.texi.
8750 2001-01-13 Richard Henderson <rth@redhat.com>
8752 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8753 (struct page_entry): Add group member.
8754 (struct page_group): New.
8755 (struct globals): Add page_groups member.
8756 (alloc_anon): Only define for using mmap; remove valloc call.
8757 (page_group_index): New.
8758 (set_page_group_in_use): New.
8759 (clear_page_group_in_use): New.
8760 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8761 (free_page, release_pages): Likewise.
8762 * configure.in (with-gc): Default to ggc-page always.
8764 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8766 * reload1.c (replace_pseudos_in_call_usage): Use
8767 reg_equiv_constant and reg_equiv_address, and don't try
8768 regno_reg_rtx first.
8770 2001-01-13 Richard Henderson <rth@redhat.com>
8772 * ggc-page.c (alloc_page): Round up allocation size to one page.
8773 Set e->order on extra pages.
8775 2001-01-13 Richard Henderson <rth@redhat.com>
8777 * genrecog.c (nodes_identical): Expand commentary.
8778 (write_switch): Watch out for identical nodes.
8780 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8782 * cppfiles.c (_cpp_fake_include): New function.
8783 * cpphash.h (_cpp_fake_include): New.
8784 * cpplib.c (do_line): Call _cpp_fake_include when entering
8785 header files in preprocessed input.
8786 * cppmain.c (cb_pragma_implementation): Remove handling.
8787 (setup_callbacks): Don't register pragmas.
8789 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8791 * extend.texi: Udate for CPP.
8793 2001-01-13 Andreas Jaeger <aj@suse.de>
8795 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8797 * regmove.c: Add prototype for replace_in_call_usage.
8799 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8801 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8802 struct cpp_chunk, struct htab, struct toklist,
8803 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8804 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8805 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8806 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8807 (struct macro_args): Delete.
8808 * cpphash.h: See above.
8810 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8812 * cppmain.c (struct printer): Remove no_line_dirs.
8814 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8815 : Use options rather than CPP_OPTION.
8816 (setup_callbacks): Use cb rather than pfile->cb.
8817 (main): No need to check for a buffer. Use cpp_errors.
8818 (printer_init): Don't set no_line_dirs.
8819 (maybe_print_line): Use options not no_line_dirs.
8820 (cb_file_change): Don't call print_line if -P.
8822 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8824 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8826 * c-parse.in (finish_parse): Use cpp_errors.
8827 (__yylex): Use return value of cpp_pop_buffer.
8828 * cp/lex.c (finish_parse): Use cpp_errors.
8829 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8831 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8833 * README.AVR: URLs corrected.
8835 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8837 * c-decl.c (start_function): Don't warn if old prototype is builtin
8838 that's not in C's namespace.
8839 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8840 (_bb): Add prototype for ctime.
8841 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8843 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8845 * i386.c (ix86_fp_comparison_arithmetics_cost,
8846 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8847 ix86_fp_comparison_cost): New functions.
8848 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8849 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8850 two-branch sequences; make static.
8851 (ix86_use_fcomi_compare): Do decision according to the costs.
8852 (split_fp_branch): New.
8853 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8854 * i386-protos.h (ix86_expand_fp_compare): Remove
8855 (ix86_split_fp_branch): Declare.
8857 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8858 and ix86_comparison_operator.
8860 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8863 * i386.c (put_condition_code): Output properly the unordered/ordered
8864 compares in fp case.
8865 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8867 * tm.texi (REVERSE_CONDITION): Document.
8868 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8869 in -ffast-math mode.
8870 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8872 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8874 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8876 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8879 * config/sh/sh.c (mova_p): Fix test for mova_const.
8881 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8883 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8884 cpp_get_options rather than dereferencing pfile and using
8886 * scan-decls.c (scan_decls): Use return value of
8887 cpp_pop_buffer rather than CPP_BUFFER.
8889 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8891 * cppinit.c (cpp_handle_option): help_only is now part of the
8892 cpp_options structure.
8893 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8894 cpp_set_callbacks): New functions.
8895 * cpplib.h (cpp_callbacks): Break out as a named structure.
8896 (cpp_options): Move help_only here from cpp_reader.
8897 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8898 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8899 cpp_set_callbacks): New prototypes.
8900 * cppmain.c (main): Update for help_only.
8902 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8904 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8905 Also build and remove and install and uninstall c-tree.info and
8907 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8908 ($(srcdir)/cppinternals.info): New target.
8909 * c-tree.texi: Change file name used when makeinfo used without -o
8910 from ir.info to c-tree.info. Add info directory entry.
8911 * cppinternals.texi: Add info directory entry.
8912 * .cvsignore: Update.
8914 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8916 * c-typeck.c (store_init_value): Don't require constant initializer
8917 elements with -pedantic -std=c99.
8918 (digest_init): Change error about non-constant initializer elements
8920 (constructor_range_end): Remove.
8921 (constructor_incremental, designator_depth,
8922 designator_errorneous): New variables.
8923 (struct constructor_stack): Remove range_end, add incremental.
8924 (struct constructor_range_stack, constructor_range_stack): New.
8925 (struct initializer_stack): Add constructor_range_stack.
8926 (finish_init): Set it.
8927 (start_init): Likewise. require_constant_elements for non-static
8928 trees only if not flag_isoc99.
8929 (really_start_incremental_init): Remove constructor_range_end, add
8930 constructor_incremental.
8931 (pop_init_level): Likewise.
8932 (push_init_level): Likewise. If implicit and the subobject had some
8933 value set already, preinitialize the level with it.
8934 Warn about missing braces only if not pushing due to designators.
8935 (set_designator, push_range_stack): New functions.
8936 (set_init_label): Use them.
8937 (set_init_index): Likewise. Remove constructor_range_end.
8938 Error if designator index is outside of array bounds.
8939 (add_pending_init): Compare values of purpose index trees, not the
8940 trees themselves. Allow overwriting of already initialized element.
8941 Issue a warning if it had side-effects.
8942 (set_nonincremental_init, set_nonincremental_init_from_string): New
8944 (pending_init_member): Rename to...
8945 (find_init_member): ...this function. Call set_nonincremental_init
8946 if necessary. Compare values of purpose index trees, not the trees
8947 themselves. Return the actual value, not just non-zero if something
8949 (output_init_element): Remove checks for duplicates.
8950 If field has zero size, only check the initializer for correctness.
8951 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8952 if constructor_incremental is zero. Change error about initializers
8953 not computable at load time into pedwarn.
8954 (output_pending_init_elements): Compare bit positions, not
8955 FIELD_DECLs to take into account zero-sized fields.
8956 (process_init_element): Use constructor_range_stack to fill all
8957 ranges in the designator lists from current level up.
8958 * extend.texi: Update documentation for labeled elements.
8960 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8962 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8963 to function usage for arguments passed by reference. Optimize
8964 callee-copied arguments.
8965 * regmove.c (replace_in_call_usage): New function.
8966 (fixup_match_1): Call it.
8967 * cse.c (cse_insn): Canonicalize registers in function usage.
8968 * reload1.c (replace_pseudos_in_call_usage): New function.
8971 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8974 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8976 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8979 2001-01-12 DJ Delorie <dj@redhat.com>
8981 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8982 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8985 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8987 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8988 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8989 -std options alongside references to -ansi. Update some
8990 documentation for C99.
8991 * cpp.1: Regenerate.
8993 2001-01-12 Andreas Jaeger <aj@suse.de>
8995 * haifa-sched.c (restore_line_notes): Remove argument block B
8997 * sched-ebb.c (schedule_ebb): Change caller.
8998 * sched-rgn.c (schedule_region): Likewise.
8999 * sched-int.h (restore_line_notes): Adjust prototype.
9001 * loop.h: Remove wrong declaration of doloop_condition_get.
9003 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9005 * extend.texi: Move C++-extension-related node from the C section
9006 into the C++ section.
9008 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9010 * extend.texi: Refer to an array of pointers to functions instead
9011 of one of functions.
9013 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9014 Jan Hubicka <jh@suse.cz>
9016 * combine.c (reversed_comparison): Fix typo in last patch.
9018 (combine_reversed_comparison_code): Make static to follow
9019 prototype declaration.
9021 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9023 * install.texi: Remove misplaced duplicate entry.
9025 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9027 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9029 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9031 * final.c: (leaf_function_p): Fix typo.
9033 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9035 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9036 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9038 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9039 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9040 mmap_anon, and valloc is available.
9041 * ggc-page.c: Restructure ifdef logic to match new autoconf
9042 spec. Don't throw away the test page in init_ggc.
9044 * configure, config.in: Regenerate.
9046 2001-01-12 Michael Hayes <mhayes@redhat.com>
9048 * loop.h (total_biv_increment): Constify iv_class pointer.
9049 (struct induction): Replace `mem_mode' with `mem' rtx.
9050 * unroll.c (total_biv_increment): Constify iv_class pointer.
9051 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9052 (find_mem_givs, combine_givs_p): Likewise.
9053 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9055 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9057 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9059 (__gthread_getspecific): Ditto.
9061 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9063 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9064 put_condition_code): Convert fp comparison codes to integer
9066 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9069 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9070 * i386-protos.h (no_comparison_operator): Kill.
9072 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9074 * combine.c (REVERSIBLE_CC_MODE): Remove.
9075 (reversible_comparison_p): Remove.
9076 (combine_reversed_comparison_code): New.
9077 (reversed_comparison): New.
9078 (combine_simplify_rtx): Use
9079 combine_reversed_comparison_code/reversed_comparison instead
9080 of reversible_comparison_p.
9081 (simplify_if_then_else): Likewise.
9082 (simplify_set): Likewise.
9083 (simplify_logical): Likewise.
9084 (if_then_else_cond): Likewise.
9085 (known_cond): Likewise.
9086 (simplify_comparison): Likewise.
9088 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9090 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9091 sizeof (int) is larger than sizeof(__word__).
9093 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9095 * cppinit.c (do_includes): Fix typo.
9097 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9099 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9100 in S_REGS does not occur because not all sources are possible
9101 when a S_REGS is a destination (sometimes needs a clobber).
9102 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9103 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9104 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9105 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9106 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9107 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9108 (lshrdi_const1, lshrsi3_const16): Likewise.
9109 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9110 (*movhi_68hc12, *movqi_68hc12): Likewise.
9111 (movstrictqi): Make sure reloading in D_REGS as a destination
9114 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9116 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9118 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9120 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9121 -D, -U and -A, and don't initialize the builtins.
9122 (do_includes): Error if -include or -imacros with -fpreprocessed.
9123 * cppmain.c (cb_define, cb_undef): Unconditionally process
9125 * tradcpp.c (main): Fix typo.
9127 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9129 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9130 (read_name_map): Use IS_ABSOLUTE_PATH.
9131 * tradcpp.c (get_filename): Likewise.
9133 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9135 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9136 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9137 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9138 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9139 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9140 (cmphi_z_used): Don't use '@' for the output.
9141 (tstqi_z_used): Likewise.
9142 (cmpqi_z_used): Likewise.
9143 (one_cmplsi2): Likewise.
9145 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9147 * config/sh/sh.c (barrier_align): Recognize branch around far
9148 branch and redundant insn.
9150 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9152 * invoke.texi: Restore documentation of the drivers' switches -MD
9155 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9157 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9159 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9160 check-objc//%): Support parallel testing of multilibs.
9161 (TESTSUITEDIR): Set to testsuite by default, but override for
9163 (check-gcc, check-g++, check-g77, check-objc): Enter
9166 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9168 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9169 * sched-deps.c (deps_may_trap_p): Likewise.
9170 * basic-block.h: Remove a comment.
9171 * flow.c (PROP_POSTRELOAD): Remove.
9172 (update_life_info): Don't add it to prop_flags.
9173 (mark_set_1): Lose the code that was enabled by it.
9175 2001-01-11 Michael Hayes <mhayes@redhat.com>
9177 * flow.c (flow_call_edges_add): New.
9178 * basic_block.h (flow_call_edges_add): New.
9180 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9182 * reload1.c (move2add_note_store): Update reg_set_luid even if
9183 base reg remains the same.
9185 2001-01-10 Nick Clifton <nickc@redhat.com>
9187 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9188 machine_function structure to zero.
9189 Add prototypes for machine_status functions.
9191 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9193 * c-common.h (CTI_VOID_LIST): Remove.
9194 (void_list_node): Likewise.
9195 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9196 (void_list_node): New macro.
9197 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9198 * config/i386/i386.c (ix86_init_builtins): Likewise.
9199 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9201 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9203 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9204 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9206 * tradcpp.c: Include mkdeps.h.
9207 (deps, print_deps_phony_targets, deps_append, output_deps,
9208 init_dependency_output, output_deps): New.
9209 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9210 deps_output): Delete.
9211 (print_deps_missing_files): Rename deps_missing_files.
9212 (inhibit_output): Make global.
9213 (main): Delete inhibit_output, deps_stream, deps_target.
9214 Use mkdeps functionality in the same way as cpplib. Remove
9215 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9216 -M and -MM. Remove old handling of deps via deps_out, and
9217 old reading of environment variables.
9218 (get_filename): Update to use deps_add_dep.
9220 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9222 * output.h (make_function_rtl): Remove prototype.
9223 (make_decl_rtl): Likewise.
9224 * varasm.c (make_function_rtl): Remove.
9225 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9226 than from a third parameter.
9227 * tree.h (make_decl_rtl): Remove last parameter.
9228 * c-decl.c (builtin_function): Remove last argument in call to
9229 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9230 (start_function): Likewise.
9231 * except.c (call_get_eh_context): Likewise.
9232 * expr.c (emit_block_move): Likewise.
9233 (clear_storage): Likewise.
9234 * profile.c (output_func_start_profiler): Likewise.
9235 * toplev.c (rest_of_decl_compilation): Likewise.
9236 * objc/objc-act.c (create_builtin_decl): Likewise.
9237 (synth_module_prologue): Likewise.
9238 (generate_static_reference): Likewise.
9239 (build_selector_reference_decl): Likewise.
9240 (build_class_reference_decl): Likewise.
9241 (build_objc_string_decl): Likewise.
9242 (build_protocol_reference): Likewise.
9244 2001-01-10 Richard Henderson <rth@redhat.com>
9246 * hwint.h: Revert yesterday's change.
9248 2001-01-10 Nick Clifton <nickc@redhat.com>
9250 * function.h (save_machine_status): Delete.
9251 (restore_machine_status): Delete.
9252 Amend comment describing {init|mark|free}_machine_status.
9254 * function.c (save_machine_status): Delete.
9255 (restore_machine_status): Delete.
9256 Amend comment describing {init|mark|free}_machine_status.
9257 (push_function_context_to): Remove invocation of
9258 save_machine_status.
9259 (pop_function_context_from): Remove invocation of
9260 restore_machine_status.
9262 * emit-rtl.c (init_emit_once): Amend comment describing
9263 {init|mark|free}_machine_status.
9265 * tm.texi (Per-Function Data): New node. Describe the
9266 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9269 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9271 * cppinit.c (OPT_g): Remove.
9272 (cpp_handle_option): Update for removed -g3.
9273 (print_help): Update.
9274 * cpplib.h (struct cpp_options): Remove debug_output.
9275 * cppmain.c (setup_callbacks, cb_define): Update.
9276 * gcc.c (cpp_options): Translate -g3 to -dD.
9278 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9280 * config/i960/i960.md: Change modifier to + on the zero_extract
9281 pattern after the (rotate -2 reg) canonicalization pattern.
9283 2001-01-10 Richard Henderson <rth@redhat.com>
9285 * config/alpha/alpha.c (alpha_free_machine_status): New.
9286 (override_options): Install it.
9287 (alpha_mark_machine_status): Verify machine non-null.
9288 * config/i386/i386.c (ix86_free_machine_status): New.
9289 (override_options): Install it.
9290 (ix86_init_machine_status): Use xcalloc.
9291 (ix86_mark_machine_status): Verify machine non-null.
9292 * config/ia64/ia64.c (ia64_free_machine_status): New.
9293 (ia64_override_options): Install it.
9294 (ia64_mark_machine_status): Verify machine non-null.
9296 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9298 * function.c (instantiate_virtual_regs): Instantiate virtual
9299 registers found in CALL_INSN_FUNCTION_USAGE.
9301 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9303 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9304 equivalent to -ansi in disabling -Di386.
9306 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9308 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9310 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9312 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9314 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9316 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9318 * invoke.texi: Document that -fcond-mismatch isn't supported for
9321 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9323 * gcc.texi: Define macro gcctabopt.
9324 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9325 @command, @env and @option in some places where appropriate. Use
9326 @gcctabopt where appropriate. Put URLs and email addresses inside
9329 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9331 * gcc.c (cpp_options): Set MD file name from output
9332 filename, if specified.
9333 (suffix_subst): New static variable.
9334 (do_spec): Clear it.
9335 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9337 (give_switch): Handle suffix_subst.
9339 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9341 * invoke.texi: Fix another typo.
9343 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9345 * invoke.texi: Fix typo.
9347 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9349 * c-lang.c (lang_hooks): Update.
9350 (lang_decode_option): Remove.
9351 (lang_init_options): Rename c_init_options.
9352 * toplev.c (main): Use lang_hooks for lang_init_options
9353 and lang_decode_option.
9354 * toplev.h (lang_hooks): Add 2 new hooks.
9355 * tree.h: Remove lang_init_options and lang_decode_option.
9356 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9357 * cp/decl2.c: Similarly.
9358 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9359 (lang_hooks): Update.
9360 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9362 (lang_init_options): Rename ffe_init_options.
9363 (lang_hooks): Update.
9364 (lang_decode_option): Remove.
9365 * java/lang.c (lang_init_options): Rename java_init_options.
9366 (lang_decode_option): Rename java_decode_option.
9367 (lang_hooks): Update.
9368 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9369 (lang_decode_option): Rename objc_decode_option.
9370 (lang_hooks): Update.
9372 2001-01-09 Nick Clifton <nickc@redhat.com>
9374 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9375 (d30v_return_addr_rtx): Delete.
9376 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9377 cfun->machine structure.
9378 (struct machine_function): Move to d30v.h
9379 (d30v_save_machine_status): Delete.
9380 (d30v_restore_machine_status): Delete.
9381 (d30v_init_machine_status): New Function.
9382 (d30v_mark_machine_status): New Function.
9383 (d30v_free_machine_status): New Function.
9384 (d30v_init_expanders): Use new functions.
9385 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9386 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9387 d30v_return_addr_rtx.
9389 * config/d30v/d30v.h (struct_machine): Move here.
9390 Add eh_epilogue_sp_ofs field.
9392 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9393 field in cfun->machine structure.
9395 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9397 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9398 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9399 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9401 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9403 * objc/lang-options.h: Remove bogus reference to
9406 2001-01-09 Kazu Hirata <kazu@hxi.com>
9408 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9411 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9413 * reload.c (find_reloads_address): Check for eliminable registers
9414 when substituting a constant expression for a pseudo.
9416 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9418 * c-common.c (enum format_type): Add format_type_error.
9419 (decode_format_type): New function.
9420 (decl_attributes): Use it.
9421 (format_kind_info): Adjust comment.
9423 2001-01-09 David O'Brien <obrien@BSDi.com>
9425 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9426 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9428 * config/i386/gnu.h: Don't include required platform specific .h files,
9429 tm.h will do it instead.
9430 * config/i386/i386elf.h: Likewise.
9431 * config/i386/linux.h: Likewise.
9432 * config/i386/moss.h: Likewise.
9433 * config/mips/gnu.h: Likewise.
9435 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9437 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9438 (rs6000-ibm-aix3.[01]*): Likewise.
9439 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9440 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9441 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9442 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9443 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9444 (powerpc-*-eabiaix*): Likewise.
9445 (powerpc-*-eabisim*): Likewise.
9446 (powerpc-*-elf*): Likewise.
9447 (powerpc-*-eabi*): Likewise.
9448 (powerpc-*-rtems*): Likewise.
9449 (powerpc-*-linux*libc1): Likewise.
9450 (powerpc-*-linux*): Likewise.
9451 (powerpc-wrs-vxworks*): Likewise.
9452 (powerpcle-wrs-vxworks*): Likewise.
9453 (powerpcle-*-sysv*): Likewise.
9454 (powerpcle-*-elf*): Likewise.
9455 (powerpcle-*-eabisim*): Likewise.
9456 (powerpcle-*-eabi*): Likewise.
9457 (powerpcle-*-solaris2*): Likewise.
9458 * config/rs6000/aix31.h: Delete includes.
9459 * config/rs6000/aix3newas.h: Likewise.
9460 * config/rs6000/aix41.h: Likewise.
9461 * config/rs6000/aix43.h: Likewise.
9462 * config/rs6000/beos.h: Likewise.
9463 * config/rs6000/rtems.h: Likewise.
9464 * config/rs6000/sysv4.h: Likewise.
9466 2001-01-09 Kazu Hirata <kazu@hxi.com>
9468 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9469 Change an argument mode of machine_mode to shift_mode of
9470 shift_mode. Remove an extra error check.
9471 (emit_a_shift): Adopt to the new calling prototype of
9473 (function_prologue): Fix code for a monitor
9474 function. Support H8/S.
9475 (function_epilogue): Do not output pop for a monitor function.
9477 2001-01-09 Nick Clifton <nickc@redhat.com>
9479 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9480 (setup_incoming_varargs): Use sysv_varargs_p field of the
9481 cfun->machine structure.
9482 (struct machine_function): Move to rs6000.h
9483 (rs6000_save_machine_status): Delete.
9484 (rs6000_restore_machine_status): Delete.
9485 (rs6000_init_machine_status): New Function.
9486 (rs6000_free_machine_status): New Function.
9487 (rs6000_init_expanders): Use new functions.
9489 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9491 (struct machine_function): Move here.
9493 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9494 sysv_varargs_p field of the cfun->machine structure.
9496 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9498 (rs6000_restore_machine_status): Remove prototype.
9500 2001-01-09 Richard Henderson <rth@redhat.com>
9502 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9503 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9504 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9505 (sched_analyze_2, sched_analyze_insn): Likewise.
9506 (sched_analyze, init_deps): Likewise.
9507 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9508 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9509 (compute_block_backward_dependences): Update propagate_deps call.
9511 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9513 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9515 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9517 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9518 (cpp_handle_option): Handle them.
9519 (cpp_post_options): Ensure one of -M or -MM is specified with
9520 any other -M? option.
9521 (init_dependency_output): Suppress output with -MG.
9523 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9526 * invoke.texi: Update.
9528 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9530 * sh.md (reload_outsf): Generate recognizable patterns for
9533 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9535 * c-lang.c (lang_hooks): Update.
9536 (lang_init): Rename c_init.
9537 (lang_finish): Remove.
9538 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9540 * toplev.h (lang_hooks): Add init () and finish ().
9541 * tree.h (lang_init, lang_finish): Remove.
9542 * cp/tree.h (lang_init, lang_finish): Remove.
9543 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9544 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9546 (lang_init, lang_finish): Remove.
9547 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9548 (lang_hooks): Update.
9549 * java/lang.c (lang_init): Rename java_init.
9550 (lang_finish): Remove.
9551 (lang_hooks): Update.
9552 * objc/objc-act.c (lang_init): Rename objc_init.
9553 (lang_finish): Remove.
9554 (lang_hoooks): Update.
9556 20001-01-09 Graham Stott <grahams@redhat.com>
9558 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9559 after `ptr` is initialised.
9561 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9563 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9564 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9565 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9566 stack adjusts, instead of r3.
9568 2001-01-09 Michael Hayes <mhayes@redhat.com>
9570 * flow.c (flow_loop_scan): Break out of ...
9571 (flow_loops_find) ... here.
9572 * basic-block.h (flow_loop_scan): New.
9573 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9574 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9576 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9578 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9580 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9581 realloc()ing macro_buffer.
9583 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9584 if it's wider than long and the target's long is wider than the
9587 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9589 Remove support for using UWIN as a host machine.
9590 * configure.in: Issue an error message.
9591 * configure: Regenerated.
9592 * config.gcc: Remove xm_* UWIN configury.
9593 * config/i386/xm-uwin.h: Remove.
9595 2001-01-08 Nick Clifton <nickc@redhat.com>
9597 * config/v850/v850.c (ra_rtx): Delete.
9598 (v850_save_machine_status): Delete.
9599 (v850_restore_machine_status): Delete.
9600 (v850_init_machine_status): New function.
9601 (v850_mark_machine_status): New function.
9602 (v850_free_machine_status): New function.
9603 (v850_return_addr): Use ra_rtx field in machine structure.
9604 (v850_init_expanders): Use new functions.
9606 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9607 * config/v850/v850.c: Change arguments to v850_output+* functions
9608 to take a const char *, to avoid compile time warning.
9609 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9610 (USER_LABEL_PREFIX): Redefine.
9612 2000-01-08 Jim Wilson <wilson@redhat.com>
9614 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9615 1 to unsigned HOST_WIDE_INT before left shift.
9617 2001-01-08 Nick Clifton <nickc@redhat.com>
9619 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9620 the machine structure has been allocated.
9621 (arm_free_machine_status): New function: Free the machine
9622 specific function structure.
9624 2001-01-08 Richard Henderson <rth@redhat.com>
9626 * jump.c (simplejump_p): Revert last change.
9628 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9630 * cppinit.c (init): Rename init_library.
9631 (cpp_create_reader): Update.
9632 * gcc.c (cpp_options): If -o given, use it as the target of
9635 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9637 * arm.c (arm_arch5e): New variable.
9638 (all_cores): XScale is a 5TE device.
9639 (arm_override_options): Set arm_arch5e.
9640 (arm_init_builtins): __builtin_prefetch is in arch5e.
9641 * arm.h (arm_arch5e): Declare it.
9643 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9645 * arm.md (define_constants): Add defines for UNSPEC and
9646 UNSPEC_VOLATILE insns. Update all users.
9647 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9648 * arm.c (multi_register_push, note_invalid_constants)
9649 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9650 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9651 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9653 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9655 * jump.c (jump_optimize_1): Use reversed_comparison_code
9656 instead of can_reverse_comparison_p.
9657 (jump_back_p): Likewise.
9658 (invert_exp_1): Likewise.
9659 (thread_jumps): Likewise.
9660 * simplify-rtx.c (simplify_unary_operation): Likewise.
9661 (simplify_ternary_operation): Likewise.
9662 * cse.c (find_comparison_args): Convert to use
9663 can_reverse_comparison_p.
9664 (record_jump_equiv): Likewise.
9666 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9668 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9669 (EPILOGUE_USES): Define.
9670 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9671 automatically stack the LR if it isn't live.
9673 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9675 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9678 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9680 * ggc-page.c (max_alignment): New structure.
9681 (MAX_ALIGNMENT): New macro.
9682 (init_ggc): Use it to round up the sizes in the
9683 extra_order_size_table.
9685 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9687 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9690 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9692 * builtins.def (BUILT_IN_FPRINTF): New entry.
9694 * c-common.c (c_expand_builtin_fprintf): New function.
9695 (init_function_format_info): Handle __builtin_fprintf.
9696 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9697 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9699 * c-decl.c (duplicate_decls): Adjust comment.
9701 * extend.texi (fprintf): Document new builtin.
9703 2001-01-07 Richard Henderson <rth@redhat.com>
9705 * jump.c (simplejump_p): Recognize any single_set jump
9708 2001-01-07 Richard Henderson <rth@redhat.com>
9710 * configure.in (slibdir): Accept an --with-slibdir option.
9711 Use "test" not "[" in configure. Default to $(libdir).
9713 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9715 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9716 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9717 (SHLIB_LINK): Create links for the soname.
9718 * config/mips/t-iris6: Likewise.
9719 * config/sparc/t-slibgcc: Likewise.
9720 * config/sparc/t-slibgcc-sld: Likewise.
9722 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9724 * config/i386/i386.c (constant_call_address_operand): Accept
9725 (const (plus (symbol_ref) (const_int))).
9726 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9727 constant_call_address_operand.
9729 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9731 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9732 and LONG_LONG_TYPE_SIZE > 32.
9734 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9736 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9737 the previous change.
9739 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9741 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9743 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9744 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9745 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9748 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9750 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9752 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9754 * c-lang.c (c_post_options): Call cpp_post_options.
9755 * objc/objc-act.c (objc_post_options): Similarly.
9756 * cppmain.c (main): Similarly.
9757 * fix-header.c (read_scan_file): Similarly.
9758 * cppinit.c (cpp_start_read): Move option consistency checks
9759 to cpp_post_options. Don't call init_dependency_output.
9760 If needed, add default target and main file dependency.
9761 (OPT_MD, OPT_MMD): Remove.
9763 (cpp_handle_option): Update for OPT_* changes.
9764 (cpp_post_options): New.
9765 (init_dependency_output): Command line -MF overrides environment
9766 variables. Don't set default target etc. Suppress output
9767 if dependencies are going to stdout.
9768 (print_help): Update.
9769 * cpplib.h (cpp_post_options): New.
9770 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9772 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9774 * jump.c (comparison_dominates_p): Support unordered compares.
9776 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9778 * simplify-rtx.c (simplify_relational_operation): Always simplify
9779 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9782 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9784 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9785 (nonzero_bits): Likewise.
9786 (simplify_comparison): Likewise.
9787 (num_sign_bit_copies): Likewise; return more sane value depending
9788 on STORE_FLAG_VALUE.
9789 (known_cond): Do not assume EQ to be always true for equivalent
9792 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9794 * cse.c (fold_rtx): Handle unordered comparisons.
9796 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9798 * rtlanal.c (set_of_1): New static function.
9799 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9800 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9801 reg_set_last_last_regno): Remove.
9802 (set_of): New global function.
9803 (set_of_data): New structure.
9804 (reg_set_p, reg_set_last): Revamp for set_of.
9805 * rtl.h (set_of): New.
9807 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9809 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9810 * extend.texi: Document _Exit builtin.
9812 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9814 * (initialize, initialize_builtins,
9815 initialize_dependency_output, initialize_standard_includes):
9816 Rename s/initialize/init. Update.
9817 (init_dependency_output): Move to after
9818 cpp_handle_options, the correct location temporally at least.
9819 (opt_comp): Move next to init (), its caller. Fix prototype.
9820 (init): Make "initialized" local scope.
9821 (cpp_create_reader): Always call init ().
9822 (cpp_start_read): Update.
9823 (output_deps): New function, broken out of cpp_finish.
9824 (cpp_finish): Break out output_deps.
9826 2001-01-07 Richard Henderson <rth@redhat.com>
9828 * collect2.c (COFF specific stuff): Revert 12-06 patch
9829 to prototype system functions.
9831 2001-01-07 Michael Hayes <mhayes@redhat.com>
9833 * hard-reg-set.h: Add multiple include guard.
9834 * basic-block.h (struct loop): Add `sink' field.
9835 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9836 (emit_iv_add_mult): Delete.
9837 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9838 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9839 (unroll_loop): Remove end_insert_before argument.
9840 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9841 (maybe_eliminate_biv_1): Likewise.
9842 (emit_iv_add_mult): Delete.
9843 (gen_add_mult, loop_regs_update): New.
9844 (loop_insn_emit_after, loop_insn_emit_before): New.
9845 (loop_insn_sink, loop_insn_sink_or_swim): New.
9846 (emit_iv_add_mult): Delete.
9847 (scan_loop): Set loop->sink.
9848 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9849 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9850 (maybe_eliminate_biv_1): Likewise.
9851 (maybe_eliminate_biv_1): Add basic block argument.
9852 * unroll.c (unroll_loop): Remove end_insert_before argument.
9853 (find_splittable_regs): Likewise.
9854 (find_splittable_regs): Use loop_insn_sink and its ilk.
9855 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9857 2001-01-07 Michael Hayes <mhayes@redhat.com>
9859 * loop.h (loop_insn_hoist): New prototype.
9860 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9861 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9862 (check_dbra_loop, load_mems): Likewise.
9863 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9864 (find_splittable_givs): Likewise.
9866 2001-01-07 Michael Hayes <mhayes@redhat.com>
9868 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9870 2001-01-07 Richard Henderson <rth@redhat.com>
9872 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9874 2001-01-07 Richard Henderson <rth@redhat.com>
9876 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9877 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9878 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9879 variant that handles a shared libgcc.
9880 (process_command): Always validate -{static,shared}-libgcc.
9881 (do_spec_1): New 'M' case.
9882 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9884 2001-01-07 Richard Henderson <rth@redhat.com>
9886 * Makefile.in (slibdir): New variable.
9887 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9888 (installdirs): Create slibdir.
9889 (install-libgcc, install-multilib): Defer to libgcc.mk.
9890 * configure.in (slibdir): Substitute.
9891 * mklibgcc.in (install): New target.
9893 * config/t-linux (SHLIB_LINK): Create links for the soname.
9894 (SHLIB_INSTALL): New.
9895 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9896 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9897 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9898 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9899 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9901 2001-01-07 Richard Henderson <rth@redhat.com>
9903 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9904 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9905 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9907 2001-01-07 Michael Hayes <mhayes@redhat.com>
9909 * loop.c (count_loop_regs_set): Delete.
9910 (load_mems_and_recount_loop_regs_set): Delete.
9911 (loop_regs_scan): Merge common code from count_loop_regs_set,
9912 scan_loop, and load_mems_and_recount_loop_regs_set.
9913 (scan_loop): Call load_mems directly and loop_regs_scan
9914 again if new registers created.
9916 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9918 * toplev.c (main): Call the front-end specific post_options
9919 hook if one is given.
9920 * toplev.h (struct_lang_hooks, lang_hooks): New.
9921 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9922 for the C front end.
9923 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9924 lang_hooks for the C++ front end.
9925 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9926 lang_hooks for the ObjC front end.
9927 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9928 * java/lang.c (lang_hooks): Hooks for the Java front end.
9930 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9932 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9933 for verbose DWARF[2] debugging.
9934 (cb_define, cb_undef): The new callbacks.
9935 * toplev.h (debug_define, debug_undef): Make const correct.
9936 * toplev.c (debug_define, debug_undef): Similarly. Do not
9937 perform the verbosity tests here anymore.
9939 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9941 * reload.c (subst_reloads): Take INSN argument. When
9942 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9943 * reload.h (subst_reloads): Adjust prototype.
9944 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9945 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9946 present in JUMP_INSNs and copy them to JUMP_LABEL.
9947 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9948 JUMP_INSNs and insns with REG_LABELs that are followed by
9949 JUMP_INSNs with the same REG_LABEL.
9950 * sched-rgn.c (is_cfg_nonregular): Likewise.
9951 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9953 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9955 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9957 2001-01-06 Richard Henderson <rth@redhat.com>
9959 * loop.c (scan_loop): Use xcalloc for the regs array.
9960 (load_mems_and_recount_loop_regs_set): Zero the new memory
9961 received from xrealloc.
9963 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9965 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9967 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9969 * integrate.c (copy_rtx_and_substitute): When copying
9970 an ignored return value, strip REG_FUNCTION_VALUE_P.
9972 2001-01-06 Michael Hayes <mhayes@redhat.com>
9974 * loop.c (debug_biv, debug_giv): New.
9975 (loop_biv_dump): Break out from ...
9976 (record_biv): ... here.
9977 (loop_giv_dump): Break out from ...
9978 (record_giv): ... here.
9979 (loop_bivs_check): Use print_simple_rtl.
9980 * unroll.c (loop_iterations): Use print_simple_rtl.
9982 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9984 * pa.md (return, return_internal): Modify patterns to prevent regrename
9985 mucking with the return pointer.
9987 2001-01-05 Richard Henderson <rth@redhat.com>
9989 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9991 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9993 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9994 version supplied by Matteo Frigo.
9996 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9998 * cpp.texi: Update for -MQ.
9999 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10000 (cpp_cleanup): Always free pfile->deps.
10001 (initialize_dependency_output): Don't create pfile->deps.
10002 (cpp_handle_option): Similarly.
10004 * gcc.c (cpp_options): Handle -MQ.
10005 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10006 * mkdeps.c (base_name): Remove.
10007 (deps_init): Don't allocate vector space until it's needed.
10008 (deps_free): Only free vectors if allocated.
10009 (deps_add_target, deps_add_dep): Update for initial allocation.
10010 (deps_add_default_target): Don't strip to the base_name.
10012 2001-01-05 DJ Delorie <dj@redhat.com>
10014 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10015 (INIT_EXPANDERS): Define.
10017 * config/v850/v850.c (struct machine_function): Define.
10018 (v850_save_machine_status): New function.
10019 (v850_restore_machine_status): New function.
10020 (v850_return_addr): New function.
10021 (v850_init_expanders): New function.
10023 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10024 and v850_init_expanders.
10026 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10028 * cpplib.h (struct cpp_reader): Add help_only field.
10029 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10030 (cpp_handle_option): Set pfile->help_only if we see -h,
10031 --help, -target-help, or --version. Print version string but
10032 do not set help_only if we see -v or -version. Make text
10033 printed by -v match that printed by (-)-version.
10035 * cppmain.c (main): Exit after option parsing if
10036 pfile->help_only is true.
10038 * toplev.c (independent_decode_option): Call print_version,
10039 then exit, if we see --version (but not -version).
10040 (print_version): Split lengthy message into two lines.
10042 2001-01-05 Nick Clifton <nickc@redhat.com>
10044 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10045 temporary string for initialisation before calling ggc_alloc_string.
10047 2001-01-06 Michael Hayes <mhayes@redhat.com>
10049 * rtl.h (print_simple_rtl): New.
10050 * print-rtl.c (print_simple_rtl): New.
10051 (flag_simple): New.
10052 (print_rtx): Disable printing of flags and modes, etc.,
10053 if `flag_simple` nonzero.
10055 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10057 * function.c (fixup_var_refs): Use push_to_full_sequence where
10060 2001-01-05 Michael Meissner <meissner@redhat.com>
10062 * flags.h (flag_reorder_blocks): Add declaration.
10063 (flag_rename_block): Ditto.
10065 2001-01-05 DJ Delorie <dj@redhat.com>
10067 * function.c (reorder_blocks): Make sure the flags are all reset
10068 before using them to mark blocks, else a second invocation will
10069 corrupt the block chain.
10070 (reorder_blocks_0): New, resets the flags.
10072 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10074 * cse.c (find_comparison_args): Stop if the argument is known to
10077 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10079 * config/sh/sh.md (movdf): When splitting load into pair of
10080 registers, don't clobber the register used in the address too
10083 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10085 * varasm.c (mark_constant_pool): Improve initial comments.
10086 (mark_constants): Move marking of constants to mark_constant.
10087 (mark_constant): New function to recursively mark all constants
10088 referred to by a constant.
10090 2001-01-05 Catherine Moore <clm@redhat.com>
10092 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10094 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10096 * cp/lang-options.h: Bring comment in line with reality.
10097 * f/lang-options.h: Likewise.
10098 * java/lang-options.h: Likewise.
10099 * objc/lang-options.h: Likewise.
10100 * ch/lang-options.h: Likewise.
10101 * f/g77.texi: And update the manual.
10103 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10104 Denis Chertykov <denisc@overta.ru>
10106 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10107 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10108 * config/avr/avr.md (all peepholes that request a scratch register):
10109 Call it, FAIL the peephole if not safe (in interrupt functions).
10111 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10113 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10115 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10117 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10119 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10120 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10121 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10122 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10123 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10125 * extend.texi: Document these builtins.
10127 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10129 * c-common.c (lang_get_alias_set): Say we know nothing of
10130 VECTOR_TYPE aliasing.
10132 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10134 2001-01-05 Bruce Korb <bkorb@gnu.org>
10136 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10137 their x* equivalent versions for atexit-less systems
10138 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10139 systems (or any other system any more).
10141 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10143 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10144 output operands. Use arm_hard_register_operand for operand 4.
10145 (stmsi_postinc): Similarly.
10146 (ldmsi): Use arm_hard_register_operand for opernand 2.
10147 (stmsi): Similarly.
10148 * arm.c (arm_hard_register_operand): New function.
10149 * arm-protos.h (arm_hard_register_operand): Prototype it.
10151 * arm.h (HARD_REGNO_RENAME_OK): Define.
10153 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10155 * simplify-rtx.c (cfc_args): add "unordered" field.
10156 (check_fold_consts): Set unordered field.
10157 (simplify_relational_operation): Simplify the unordered
10160 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10163 * emit-rtl.c (try_split): Fix code to mark labels.
10164 * jump.c (mark_jump_label): Make global.
10165 * rtl.h (mark_jump_label): Declare.
10167 * predict.c (estimate_probability): Handle unordred comparisons.
10169 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10171 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10172 * cppinit.c (initialize_dependency_output): Update.
10173 (cpp_finish): Output dummy targets for -MP.
10175 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10176 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10177 * gcc.c (cpp_options): Update to handle -MP.
10178 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10179 to quote only the default target.
10180 (deps_phony_targets): Insert a preceding newline. Rename from
10181 deps_dummy_targets for consistency.
10184 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10186 * calls.c (emit_library_call_value_1): Support
10187 INIT_CUMULATIVE_LIBCALL_ARGS.
10188 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10190 2001-01-04 Richard Henderson <rth@redhat.com>
10192 * c-decl.c (finish_struct): Detect flexible array members
10193 used in an inappropriate context.
10194 * c-typeck.c (really_start_incremental_init): Special case
10195 constructor_max_index for zero length arrays.
10196 (pop_init_level): Allow initialization of flexible array
10197 members. Deprecate initialization of zero length arrays.
10198 Don't issue missing initializer warning for flexible array
10199 members or zero length arrays.
10200 (process_init_element): Don't dereference null DECL_SIZE.
10201 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10202 Don't abort for empty constructors. Use size_binop
10203 (output_constructor): Add commentary regarding zero length
10204 array futures. Abort if we try to initialize an array of
10205 unspecified length with a non-empty constructor in the middle
10208 * extend.texi (Zero Length): Update and clarify documentation
10209 on static initialization.
10211 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10213 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10214 with more than 32767 words of local storage.
10216 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10218 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10219 for 'abs', 'labs', and 'fabs'.
10220 (c4x_expand_builtin): Likewise.
10221 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10223 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10225 * config/sh/sh.md (prget, prset): New insn types.
10226 (return delay slot): Dont' allow prset.
10227 (call, sfunc delay slot): Don't allow prget.
10228 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10229 for prset and prget.
10231 2001-01-05 Michael Hayes <mhayes@redhat.com>
10233 * loop.h (struct loop_reg): New.
10234 (struct loop_regs): Change to use array of `struct loop_reg'.
10235 * loop.c: Replace assortment of varrays with single regs array.
10236 (count_one_set): Delete may_not_move array argument
10237 and use regs array instead. All caller's changed.
10238 (count_loop_regs_set): Delete may_not_move and single_usage
10239 arguments and use regs array instead. All caller's changed.
10240 (find_single_use_in_loop): Replace usage array argument with pointer
10241 to regs structure. All caller's changed.
10242 (loop_optimize): Delete `moved_once' array.
10244 2001-01-05 Michael Hayes <mhayes@redhat.com>
10246 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10247 Use it instead of loop_info->has_call for scanning loop mems.
10248 (check_dbra_loop): Replace loop_info->has_call test with
10249 loop_info->has_nonconst_call.
10251 2000-01-04 Matthew Hiller <hiller@redhat.com>
10253 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10256 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10258 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10259 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10261 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10263 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10264 (flag_short_double, flag_short_wchar): Define.
10265 (c_common_nodes_and_builtins): Create many tree nodes shared
10266 between C and C++ here instead of in cp/decl.c and ...
10267 * c-decl.c (init_decl_processing): ... here.
10268 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10269 (flag_short_double, flag_short_wchar): Don't define.
10270 (record_builtin_type): New function.
10271 (build_void_list_node): New function.
10272 * c-common.h (flag_short_double, flag_short_wchar,
10273 record_builtin_type, build_void_list_node): Declare.
10275 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10277 * integrate.c (expand_inline_function): Don't put a virtual
10278 register into the reg map.
10280 * function.c (fixup_var_refs_1): If force_operand didn't put
10281 the address into the target, move it there.
10283 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10285 Special-case tree_decl/tree_list allocations.
10286 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10287 (OBJECT_SIZE): New macro.
10288 (NUM_EXTRA_ORDER): Likewise.
10289 (extra_order_size_table): New variable.
10290 (NUM_ORDERS): New macro.
10291 (objects_per_page_table): New variable.
10292 (object_size_table): New variable.
10293 (G.pages): Use NUM_ORDERS to bound the array.
10294 (G.page_tails): Likewise.
10295 (DIV_ROUND_UP): Remove.
10296 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10297 (alloc_page): Use OBJECT_SIZE.
10298 (size_lookup): Don't make it const.
10299 (ggc_alloc): Use OBJECT_SIZE.
10300 (ggc_set_mark): Likewise.
10301 (ggc_get_size): Likewise.
10302 (init_ggc): Set up the object_size_table, objects_per_page_table,
10303 and adjust size_lookup.
10304 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10305 (ggc_pop_context): Use NUM_ORDERS.
10306 (clear_marks): Likewise.
10307 (sweep_pages): Likewise.
10308 (poison_pages): Likewise.
10309 (ggc_print_statistics): Use OBJECT_SIZE.
10311 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10313 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10314 Only call array_size_for_constructor if last field and array type
10315 with no upper bound.
10317 2001-01-04 Philip Blundell <philb@gnu.org>
10319 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10320 from bit 31 downwards, if this requires no more insns.
10321 (count_insns_for_constant): New helper function for above.
10323 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10325 * gencodes.c (output_predicate_decls): Remove empty initializer.
10327 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10329 * tree.c (copy_node): Remove documentation about obstacks.
10330 (buidl1): Check that nobody tries to build 2-argument nodes this
10333 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10335 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10338 * gencodes.c (output_predicate_decls): Fill empty initializer
10341 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10343 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10344 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10346 (do_include): Handle missing headers like cpp0.
10347 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10348 paths with first include pathname. Don't strcat to uninitialized
10351 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10353 * regrename.c (regrename_optimize): Don't rename from frame pointer
10354 if frame_pointer_needed.
10355 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10356 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10357 (ia64_reorg): Use it instead of scheduling if ! optimize.
10358 (errata_emit_nops): Properly call asm_noperands.
10359 (ia64_sched_reorder): Finish cycle if we see an asm.
10360 (ia64_variable_issue): Clear scheduling state after asms.
10362 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10364 * cpp.texi: Update for -MT.
10365 * cppinit.c (initialize_dependency_output): Add a default
10366 target if none has been given already.
10367 (no_tgt, OPT_MT): New.
10368 (cpp_handle_option): Handle -MT. Update -M etc.
10369 * cpplib.h (struct cpp_options): Remove deps_target.
10370 * gcc.c (cpp_options): Handle -MT.
10371 * mkdeps.c (struct deps): Move from mkdeps.h.
10372 (deps_calc_target): Rename deps_add_default_target. Add a
10373 default target if none has been specified already.
10374 * mkdeps.h (struct deps): Move to mkdeps.c.
10375 (deps_calc_target): Rename deps_add_default_target.
10377 2000-01-03 Richard Henderson <rth@redhat.com>
10379 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10381 * c-typeck.c (push_init_level): Move checks for flexible array
10382 members and zero length arrays ...
10383 (pop_init_level): ... here. Silently discard empty initializations.
10385 * varasm.c (output_constructor): Update for sizeof change to
10386 zero-length arrays.
10388 * extend.texi (Zero Length): Clarify semantics.
10390 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10392 * configure.in (tm.h): Include isns-codes.h last.
10393 * configure: Rebuilt.
10395 2001-01-03 Richard Henderson <rth@redhat.com>
10397 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10398 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10400 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10402 * tradcpp.c (main): Make sure finclude() is called with a valid
10403 indepth value while handling -include.
10405 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10407 * gencodes.c (output_predicate_decls): New function.
10409 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10410 even if it is not the first time machmode.h is #included.
10411 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10412 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10413 * gcc.texi (Copyright): Added 2001.
10415 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10417 * c-common.c (c_common_lang_init): New function. Warn if format
10418 warning options which only have effects when used with -Wformat
10419 are used without -Wformat.
10420 * c-common.h (c_common_lang_init): Declare.
10421 * c-lang.c (lang_init): Call c_common_lang_init.
10422 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10424 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10426 * configure.in: Check for the mktemp command.
10427 * configure: Regenerate.
10428 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10429 $TEMP. Create temporary files with mktemp, if available at
10430 configure time; otherwise use set -C. Remove temporary files
10433 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10435 * configure.in: Require at least texinfo 4.0. Check for whether
10436 Pod::Man is sufficiently recent to regenerate GCC manpages.
10437 * configure: Regenerate.
10438 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10440 (GENERATED_MANPAGES): Define.
10441 (generated-manpages): New target. Depend on cpp.1 as well as
10443 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10444 configure to generated-manpages or empty) rather than on the
10445 manpages directly. Remove execute permission from installed
10446 gcov.1 as well as cpp.1.
10447 * cpp.1, gcov.1: Regenerate.
10449 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10451 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10452 tree_low_cst. Allow using cmpstrsi in more cases.
10454 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10456 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10459 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10461 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10462 * Makefile.in (HOST_CFLAGS): Mention build-make.
10464 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10466 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10469 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10471 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10474 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10477 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10478 reg_base_value and reg_known_value arrays.
10479 (init_alias_analysis): Add more cases to detect known values.
10480 * sched-deps.c (deps_may_trap_p): New function.
10481 (sched_analyze_2): Use it.
10483 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10485 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10486 don't discard an ASHIFTRT if we're shifting in a wider mode.
10488 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10490 * toplev.c (rest_of_compilation): Don't print basic block information
10491 when CFG isn't up to date.
10493 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10495 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10496 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10497 (UNALIGNED_SHORT_ASM_OP): Define.
10498 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10500 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10502 * fold-const.c (fold_convert): Fix typo.
10504 2001-01-02 Richard Henderson <rth@redhat.com>
10506 * c-common.h (ASM_INPUT_P): New.
10507 * c-parse.in (asm): Set it when needed.
10508 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10509 existance of an operand.
10511 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10513 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10514 (dwarf2out_frame_debug_expr): Likewise.
10515 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10517 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10519 * i386.c (ix86_split_to_parts): Return number of part required;
10521 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10523 (ix86_split_long_move): Use number of part returned
10524 by ix86_split_to_parts
10525 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10527 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10528 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10529 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10530 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10531 (ALIGN_MODE_128): Add TFmode.
10532 (IS_STACK_MODE): Likewise.
10533 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10534 (HARD_REGNO_OK): Support TFmodes.
10535 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10536 * i386.md (scheduler definitions): Use memory operand to determine
10537 fst/fld instructions; use mode attribute to determine real mode of
10539 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10540 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10542 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10544 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10546 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10548 * expr.c (store_constructor_field): Update ALIGN before calling
10551 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10553 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10556 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10558 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10561 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10563 * c-decl.c (start_function): Don't warn on third parameter to main.
10565 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10567 * tsystem.h: Define HAVE_DECL_GETOPT.
10569 2001-01-02 Philip Blundell <pb@futuretv.com>
10571 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10574 2001-01-02 Richard Henderson <rth@redhat.com>
10576 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10578 2001-01-02 Andreas Jaeger <aj@suse.de>
10580 * c-decl.c (c_decode_option): Remove support of
10581 -Wmissing-noreturn.
10583 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10584 (W_options): Add -Wmissing-noreturn here.
10586 * flow.c: Define lang_missing_noreturn_ok_p.
10587 (check_function_return_warnings): Use it.
10589 * c-common.h: Declare lang_missing_noreturn_ok_p.
10591 * c-lang.c (c_missing_noreturn_ok_p): New function.
10592 (lang_init): Set lang_missing_noreturn_ok_p.
10594 * invoke.texi (Warning Options): Document this.
10596 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10598 * extend.texi (C++ Extensions): New node for C++ attributes;
10599 describe init_priority and com_interface.
10600 * invoke.texi: Remove -finit-priority as it now has zero effect.
10601 * install.texi: Fix xref syntax.
10602 * md.texi: Likewise.
10604 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10606 * config.gcc (sparc64-wrs-vxworks*): New case.
10607 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10609 * config/sparc/sparc.c (sparc_override_options): Do support different
10610 pointer and architecture size.
10611 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10612 (POINTERS_EXTEND_UNSIGNED): Define.
10613 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10614 (FUNCTION_MODE): Define to be Pmode.
10615 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10617 * function.c (expand_function_end): Properly handle DECL_RESULT
10618 and copy when ptr_mode != Pmode.
10619 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10621 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10623 * c-common.c (c_common_nodes_and_builtins): Set prototype
10624 parameters for __builtin_fputs, __builtin_fputc and
10625 __builtin_fwrite. Don't declare plain fputc as a builtin.
10627 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10629 * loop.c (add_label_notes): Increment the label usage count when
10630 a note is added to an insn which refers to a CODE_LABEL.
10631 * gcse.c (add_label_notes): Likewise.
10633 2001-01-01 Andreas Jaeger <aj@suse.de>
10635 * loop.c (scan_loop): Use xmalloc to allocate movables.
10637 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10639 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10640 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10641 * reload1.c (REGISTER_MOVE_COST): Likewise.
10642 * regclass.c (REGISTER_MOVE_COST): Likewise.
10643 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10644 dimension. Adjust all users.
10645 (init_reg_sets_1): Iterate on all modes.
10646 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10647 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10648 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10649 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10650 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10651 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10652 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10653 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10654 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10655 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10656 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10657 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10658 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10659 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10660 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10661 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10662 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10663 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10664 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10665 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10666 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10667 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10668 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10669 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10670 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10671 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10672 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10674 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10676 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10677 arg VARIES_P. Call it with extra arg.
10678 (true_dependence): Likewise.
10679 * rtl.h (rtx_addr_can_trap_p): Declare.
10680 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10682 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10683 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10684 pic offset table register if it's zero. All callers changed.
10685 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10687 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10689 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10690 STRING_POOL_ADDRESS_P.
10692 * config/sparc/sparc.c (input_operand): Properly test for short op.
10694 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10695 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10696 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10697 * config/sparc/elf.h: No longer include sol2.h.
10698 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10699 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10701 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10703 2001-01-01 Michael Hayes <mhayes@redhat.com>
10705 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10706 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10707 (record_initial): Likewise.
10708 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10709 (remap_split_bivs): Likewise.
10711 2001-01-01 Michael Hayes <mhayes@redhat.com>
10713 * loop.c (loop_ivs_free): New function.
10714 (strength_reduce): Break out from...
10716 2001-01-01 Michael Hayes <mhayes@redhat.com>
10718 * loop.h (struct iv): New.
10719 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10720 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10721 'reg_biv_class' fields with 'regs' and 'n_regs'.
10722 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10723 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10724 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10726 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10728 * resource.c (mark_referenced_resources): Abort() before
10729 attempting to mark a pseudo register.
10730 (mark_set_resources): Likewise.
10732 2001-01-01 Michael Hayes <mhayes@redhat.com>
10734 * loop.h (REG_IV_CLASS): New accessor macro.
10735 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10736 * unroll.c (REG_IV_CLASS): Likewise.
10738 See ChangeLog.4 for earlier changes.